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Unified Diff: src/ppc/lithium-codegen-ppc.cc

Issue 422063005: Contribution of PowerPC port. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Caught up to bleending edge (8/15) Created 6 years, 4 months ago
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Index: src/ppc/lithium-codegen-ppc.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/ppc/lithium-codegen-ppc.cc
similarity index 68%
copy from src/arm/lithium-codegen-arm.cc
copy to src/ppc/lithium-codegen-ppc.cc
index ff09e287f76cfff73a251e2e92e3f63e2a1e7aa7..9848b978c6c9a648eb5df360860684cb15a450a4 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/ppc/lithium-codegen-ppc.cc
@@ -1,15 +1,19 @@
// Copyright 2012 the V8 project authors. All rights reserved.
+//
+// Copyright IBM Corp. 2012, 2013. All rights reserved.
+//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/v8.h"
-#include "src/arm/lithium-codegen-arm.h"
-#include "src/arm/lithium-gap-resolver-arm.h"
#include "src/code-stubs.h"
#include "src/hydrogen-osr.h"
#include "src/stub-cache.h"
+#include "src/ppc/lithium-codegen-ppc.h"
+#include "src/ppc/lithium-gap-resolver-ppc.h"
+
namespace v8 {
namespace internal {
@@ -22,7 +26,7 @@ class SafepointGenerator V8_FINAL : public CallWrapper {
: codegen_(codegen),
pointers_(pointers),
deopt_mode_(mode) { }
- virtual ~SafepointGenerator() {}
+ virtual ~SafepointGenerator() { }
virtual void BeforeCall(int call_size) const V8_OVERRIDE {}
@@ -74,7 +78,7 @@ void LCodeGen::SaveCallerDoubles() {
BitVector* doubles = chunk()->allocated_double_registers();
BitVector::Iterator save_iterator(doubles);
while (!save_iterator.Done()) {
- __ vstr(DwVfpRegister::FromAllocationIndex(save_iterator.Current()),
+ __ stfd(DoubleRegister::FromAllocationIndex(save_iterator.Current()),
MemOperand(sp, count * kDoubleSize));
save_iterator.Advance();
count++;
@@ -90,8 +94,8 @@ void LCodeGen::RestoreCallerDoubles() {
BitVector::Iterator save_iterator(doubles);
int count = 0;
while (!save_iterator.Done()) {
- __ vldr(DwVfpRegister::FromAllocationIndex(save_iterator.Current()),
- MemOperand(sp, count * kDoubleSize));
+ __ lfd(DoubleRegister::FromAllocationIndex(save_iterator.Current()),
+ MemOperand(sp, count * kDoubleSize));
save_iterator.Advance();
count++;
}
@@ -111,9 +115,8 @@ bool LCodeGen::GeneratePrologue() {
}
#endif
- // r1: Callee's JS function.
+ // r4: Callee's JS function.
// cp: Callee's context.
- // pp: Callee's constant pool pointer (if FLAG_enable_ool_constant_pool)
// fp: Caller's frame pointer.
// lr: Caller's pc.
@@ -125,14 +128,14 @@ bool LCodeGen::GeneratePrologue() {
!info_->is_native()) {
Label ok;
int receiver_offset = info_->scope()->num_parameters() * kPointerSize;
- __ ldr(r2, MemOperand(sp, receiver_offset));
- __ CompareRoot(r2, Heap::kUndefinedValueRootIndex);
- __ b(ne, &ok);
+ __ LoadP(r5, MemOperand(sp, receiver_offset));
+ __ CompareRoot(r5, Heap::kUndefinedValueRootIndex);
+ __ bne(&ok);
- __ ldr(r2, GlobalObjectOperand());
- __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalProxyOffset));
+ __ LoadP(r5, GlobalObjectOperand());
+ __ LoadP(r5, FieldMemOperand(r5, GlobalObject::kGlobalProxyOffset));
- __ str(r2, MemOperand(sp, receiver_offset));
+ __ StoreP(r5, MemOperand(sp, receiver_offset));
__ bind(&ok);
}
@@ -152,22 +155,18 @@ bool LCodeGen::GeneratePrologue() {
// Reserve space for the stack slots needed by the code.
int slots = GetStackSlotCount();
if (slots > 0) {
+ __ subi(sp, sp, Operand(slots * kPointerSize));
if (FLAG_debug_code) {
- __ sub(sp, sp, Operand(slots * kPointerSize));
- __ push(r0);
- __ push(r1);
- __ add(r0, sp, Operand(slots * kPointerSize));
- __ mov(r1, Operand(kSlotsZapValue));
+ __ Push(r3, r4);
+ __ li(r0, Operand(slots));
+ __ mtctr(r0);
+ __ addi(r3, sp, Operand((slots + 2) * kPointerSize));
+ __ mov(r4, Operand(kSlotsZapValue));
Label loop;
__ bind(&loop);
- __ sub(r0, r0, Operand(kPointerSize));
- __ str(r1, MemOperand(r0, 2 * kPointerSize));
- __ cmp(r0, sp);
- __ b(ne, &loop);
- __ pop(r1);
- __ pop(r0);
- } else {
- __ sub(sp, sp, Operand(slots * kPointerSize));
+ __ StorePU(r4, MemOperand(r3, -kPointerSize));
+ __ bdnz(&loop);
+ __ Pop(r3, r4);
}
}
@@ -180,21 +179,21 @@ bool LCodeGen::GeneratePrologue() {
if (heap_slots > 0) {
Comment(";;; Allocate local context");
bool need_write_barrier = true;
- // Argument to NewContext is the function, which is in r1.
+ // Argument to NewContext is the function, which is in r4.
if (heap_slots <= FastNewContextStub::kMaximumSlots) {
FastNewContextStub stub(isolate(), heap_slots);
__ CallStub(&stub);
// Result of FastNewContextStub is always in new space.
need_write_barrier = false;
} else {
- __ push(r1);
+ __ push(r4);
__ CallRuntime(Runtime::kNewFunctionContext, 1);
}
RecordSafepoint(Safepoint::kNoLazyDeopt);
- // Context is returned in both r0 and cp. It replaces the context
+ // Context is returned in both r3 and cp. It replaces the context
// passed to us. It's saved in the stack and kept live in cp.
- __ mov(cp, r0);
- __ str(r0, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ __ mr(cp, r3);
+ __ StoreP(r3, MemOperand(fp, StandardFrameConstants::kContextOffset));
// Copy any necessary parameters into the context.
int num_parameters = scope()->num_parameters();
for (int i = 0; i < num_parameters; i++) {
@@ -203,22 +202,22 @@ bool LCodeGen::GeneratePrologue() {
int parameter_offset = StandardFrameConstants::kCallerSPOffset +
(num_parameters - 1 - i) * kPointerSize;
// Load parameter from stack.
- __ ldr(r0, MemOperand(fp, parameter_offset));
+ __ LoadP(r3, MemOperand(fp, parameter_offset));
// Store it in the context.
MemOperand target = ContextOperand(cp, var->index());
- __ str(r0, target);
- // Update the write barrier. This clobbers r3 and r0.
+ __ StoreP(r3, target, r0);
+ // Update the write barrier. This clobbers r6 and r3.
if (need_write_barrier) {
__ RecordWriteContextSlot(
cp,
target.offset(),
- r0,
r3,
+ r6,
GetLinkRegisterState(),
kSaveFPRegs);
} else if (FLAG_debug_code) {
Label done;
- __ JumpIfInNewSpace(cp, r0, &done);
+ __ JumpIfInNewSpace(cp, r3, &done);
__ Abort(kExpectedNewSpaceObject);
__ bind(&done);
}
@@ -248,7 +247,7 @@ void LCodeGen::GenerateOsrPrologue() {
// optimized frame.
int slots = GetStackSlotCount() - graph()->osr()->UnoptimizedFrameSlots();
DCHECK(slots >= 0);
- __ sub(sp, sp, Operand(slots * kPointerSize));
+ __ subi(sp, sp, Operand(slots * kPointerSize));
}
@@ -285,9 +284,9 @@ bool LCodeGen::GenerateDeferredCode() {
DCHECK(info()->IsStub());
frame_is_built_ = true;
__ PushFixedFrame();
- __ mov(scratch0(), Operand(Smi::FromInt(StackFrame::STUB)));
+ __ LoadSmiLiteral(scratch0(), Smi::FromInt(StackFrame::STUB));
__ push(scratch0());
- __ add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
+ __ addi(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
Comment(";;; Deferred code");
}
code->Generate();
@@ -298,31 +297,15 @@ bool LCodeGen::GenerateDeferredCode() {
__ PopFixedFrame();
frame_is_built_ = false;
}
- __ jmp(code->exit());
+ __ b(code->exit());
}
}
- // Force constant pool emission at the end of the deferred code to make
- // sure that no constant pools are emitted after.
- masm()->CheckConstPool(true, false);
-
return !is_aborted();
}
bool LCodeGen::GenerateDeoptJumpTable() {
- // Check that the jump table is accessible from everywhere in the function
- // code, i.e. that offsets to the table can be encoded in the 24bit signed
- // immediate of a branch instruction.
- // To simplify we consider the code size from the first instruction to the
- // end of the jump table. We also don't consider the pc load delta.
- // Each entry in the jump table generates one instruction and inlines one
- // 32bit data after it.
- if (!is_int24((masm()->pc_offset() / Assembler::kInstrSize) +
- deopt_jump_table_.length() * 7)) {
- Abort(kGeneratedCodeIsTooLarge);
- }
-
if (deopt_jump_table_.length() > 0) {
Label needs_frame, call_deopt_entry;
@@ -333,6 +316,7 @@ bool LCodeGen::GenerateDeoptJumpTable() {
int length = deopt_jump_table_.length();
for (int i = 0; i < length; i++) {
+ Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_);
__ bind(&deopt_jump_table_[i].label);
Deoptimizer::BailoutType type = deopt_jump_table_[i].bailout_type;
@@ -359,27 +343,23 @@ bool LCodeGen::GenerateDeoptJumpTable() {
// have a function pointer to install in the stack frame that we're
// building, install a special marker there instead.
DCHECK(info()->IsStub());
- __ mov(ip, Operand(Smi::FromInt(StackFrame::STUB)));
- __ push(ip);
- __ add(fp, sp,
- Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
+ __ LoadSmiLiteral(r0, Smi::FromInt(StackFrame::STUB));
+ __ push(r0);
+ __ addi(fp, sp,
+ Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
__ bind(&call_deopt_entry);
// Add the base address to the offset previously loaded in
// entry_offset.
- __ add(entry_offset, entry_offset,
- Operand(ExternalReference::ForDeoptEntry(base)));
- __ blx(entry_offset);
+ __ mov(ip, Operand(ExternalReference::ForDeoptEntry(base)));
+ __ add(ip, entry_offset, ip);
+ __ Call(ip);
}
-
- masm()->CheckConstPool(false, false);
} else {
// The last entry can fall through into `call_deopt_entry`, avoiding a
// branch.
bool need_branch = ((i + 1) != length) || call_deopt_entry.is_bound();
if (need_branch) __ b(&call_deopt_entry);
-
- masm()->CheckConstPool(false, !need_branch);
}
}
@@ -393,16 +373,12 @@ bool LCodeGen::GenerateDeoptJumpTable() {
}
// Add the base address to the offset previously loaded in entry_offset.
- __ add(entry_offset, entry_offset,
- Operand(ExternalReference::ForDeoptEntry(base)));
- __ blx(entry_offset);
+ __ mov(ip, Operand(ExternalReference::ForDeoptEntry(base)));
+ __ add(ip, entry_offset, ip);
+ __ Call(ip);
}
}
- // Force constant pool emission at the end of the deopt jump table to make
- // sure that no constant pools are emitted after.
- masm()->CheckConstPool(true, false);
-
// The deoptimization jump table is the last part of the instruction
// sequence. Mark the generated code as done unless we bailed out.
if (!is_aborted()) status_ = DONE;
@@ -422,8 +398,8 @@ Register LCodeGen::ToRegister(int index) const {
}
-DwVfpRegister LCodeGen::ToDoubleRegister(int index) const {
- return DwVfpRegister::FromAllocationIndex(index);
+DoubleRegister LCodeGen::ToDoubleRegister(int index) const {
+ return DoubleRegister::FromAllocationIndex(index);
}
@@ -443,7 +419,7 @@ Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) {
Representation r = chunk_->LookupLiteralRepresentation(const_op);
if (r.IsInteger32()) {
DCHECK(literal->IsNumber());
- __ mov(scratch, Operand(static_cast<int32_t>(literal->Number())));
+ __ LoadIntLiteral(scratch, static_cast<int32_t>(literal->Number()));
} else if (r.IsDouble()) {
Abort(kEmitLoadRegisterUnsupportedDoubleImmediate);
} else {
@@ -452,7 +428,7 @@ Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) {
}
return scratch;
} else if (op->IsStackSlot()) {
- __ ldr(scratch, ToMemOperand(op));
+ __ LoadP(scratch, ToMemOperand(op));
return scratch;
}
UNREACHABLE();
@@ -460,42 +436,22 @@ Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) {
}
-DwVfpRegister LCodeGen::ToDoubleRegister(LOperand* op) const {
- DCHECK(op->IsDoubleRegister());
- return ToDoubleRegister(op->index());
+void LCodeGen::EmitLoadIntegerConstant(LConstantOperand* const_op,
+ Register dst) {
+ DCHECK(IsInteger32(const_op));
+ HConstant* constant = chunk_->LookupConstant(const_op);
+ int32_t value = constant->Integer32Value();
+ if (IsSmi(const_op)) {
+ __ LoadSmiLiteral(dst, Smi::FromInt(value));
+ } else {
+ __ LoadIntLiteral(dst, value);
+ }
}
-DwVfpRegister LCodeGen::EmitLoadDoubleRegister(LOperand* op,
- SwVfpRegister flt_scratch,
- DwVfpRegister dbl_scratch) {
- if (op->IsDoubleRegister()) {
- return ToDoubleRegister(op->index());
- } else if (op->IsConstantOperand()) {
- LConstantOperand* const_op = LConstantOperand::cast(op);
- HConstant* constant = chunk_->LookupConstant(const_op);
- Handle<Object> literal = constant->handle(isolate());
- Representation r = chunk_->LookupLiteralRepresentation(const_op);
- if (r.IsInteger32()) {
- DCHECK(literal->IsNumber());
- __ mov(ip, Operand(static_cast<int32_t>(literal->Number())));
- __ vmov(flt_scratch, ip);
- __ vcvt_f64_s32(dbl_scratch, flt_scratch);
- return dbl_scratch;
- } else if (r.IsDouble()) {
- Abort(kUnsupportedDoubleImmediate);
- } else if (r.IsTagged()) {
- Abort(kUnsupportedTaggedImmediate);
- }
- } else if (op->IsStackSlot()) {
- // TODO(regis): Why is vldr not taking a MemOperand?
- // __ vldr(dbl_scratch, ToMemOperand(op));
- MemOperand mem_op = ToMemOperand(op);
- __ vldr(dbl_scratch, mem_op.rn(), mem_op.offset());
- return dbl_scratch;
- }
- UNREACHABLE();
- return dbl_scratch;
+DoubleRegister LCodeGen::ToDoubleRegister(LOperand* op) const {
+ DCHECK(op->IsDoubleRegister());
+ return ToDoubleRegister(op->index());
}
@@ -521,13 +477,13 @@ int32_t LCodeGen::ToInteger32(LConstantOperand* op) const {
}
-int32_t LCodeGen::ToRepresentation(LConstantOperand* op,
- const Representation& r) const {
+intptr_t LCodeGen::ToRepresentation(LConstantOperand* op,
+ const Representation& r) const {
HConstant* constant = chunk_->LookupConstant(op);
int32_t value = constant->Integer32Value();
if (r.IsInteger32()) return value;
DCHECK(r.IsSmiOrTagged());
- return reinterpret_cast<int32_t>(Smi::FromInt(value));
+ return reinterpret_cast<intptr_t>(Smi::FromInt(value));
}
@@ -729,34 +685,19 @@ void LCodeGen::AddToTranslation(LEnvironment* environment,
}
-int LCodeGen::CallCodeSize(Handle<Code> code, RelocInfo::Mode mode) {
- int size = masm()->CallSize(code, mode);
- if (code->kind() == Code::BINARY_OP_IC ||
- code->kind() == Code::COMPARE_IC) {
- size += Assembler::kInstrSize; // extra nop() added in CallCodeGeneric.
- }
- return size;
-}
-
-
void LCodeGen::CallCode(Handle<Code> code,
RelocInfo::Mode mode,
- LInstruction* instr,
- TargetAddressStorageMode storage_mode) {
- CallCodeGeneric(code, mode, instr, RECORD_SIMPLE_SAFEPOINT, storage_mode);
+ LInstruction* instr) {
+ CallCodeGeneric(code, mode, instr, RECORD_SIMPLE_SAFEPOINT);
}
void LCodeGen::CallCodeGeneric(Handle<Code> code,
RelocInfo::Mode mode,
LInstruction* instr,
- SafepointMode safepoint_mode,
- TargetAddressStorageMode storage_mode) {
+ SafepointMode safepoint_mode) {
DCHECK(instr != NULL);
- // Block literal pool emission to ensure nop indicating no inlined smi code
- // is in the correct position.
- Assembler::BlockConstPoolScope block_const_pool(masm());
- __ Call(code, mode, TypeFeedbackId::None(), al, storage_mode);
+ __ Call(code, mode);
RecordSafepointWithLazyDeopt(instr, safepoint_mode);
// Signal that we don't inline smi code before these stubs in the
@@ -784,7 +725,7 @@ void LCodeGen::LoadContextFromDeferred(LOperand* context) {
if (context->IsRegister()) {
__ Move(cp, ToRegister(context));
} else if (context->IsStackSlot()) {
- __ ldr(cp, ToMemOperand(context));
+ __ LoadP(cp, ToMemOperand(context));
} else if (context->IsConstantOperand()) {
HConstant* constant =
chunk_->LookupConstant(LConstantOperand::cast(context));
@@ -843,9 +784,10 @@ void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment,
}
-void LCodeGen::DeoptimizeIf(Condition condition,
+void LCodeGen::DeoptimizeIf(Condition cond,
LEnvironment* environment,
- Deoptimizer::BailoutType bailout_type) {
+ Deoptimizer::BailoutType bailout_type,
+ CRegister cr) {
RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt);
DCHECK(environment->HasBeenRegistered());
int id = environment->deoptimization_index();
@@ -858,48 +800,35 @@ void LCodeGen::DeoptimizeIf(Condition condition,
}
if (FLAG_deopt_every_n_times != 0 && !info()->IsStub()) {
+ CRegister alt_cr = cr6;
Register scratch = scratch0();
ExternalReference count = ExternalReference::stress_deopt_count(isolate());
-
- // Store the condition on the stack if necessary
- if (condition != al) {
- __ mov(scratch, Operand::Zero(), LeaveCC, NegateCondition(condition));
- __ mov(scratch, Operand(1), LeaveCC, condition);
- __ push(scratch);
- }
-
- __ push(r1);
+ Label no_deopt;
+ DCHECK(!alt_cr.is(cr));
+ __ Push(r4, scratch);
__ mov(scratch, Operand(count));
- __ ldr(r1, MemOperand(scratch));
- __ sub(r1, r1, Operand(1), SetCC);
- __ mov(r1, Operand(FLAG_deopt_every_n_times), LeaveCC, eq);
- __ str(r1, MemOperand(scratch));
- __ pop(r1);
-
- if (condition != al) {
- // Clean up the stack before the deoptimizer call
- __ pop(scratch);
- }
-
- __ Call(entry, RelocInfo::RUNTIME_ENTRY, eq);
+ __ lwz(r4, MemOperand(scratch));
+ __ subi(r4, r4, Operand(1));
+ __ cmpi(r4, Operand::Zero(), alt_cr);
+ __ bne(&no_deopt, alt_cr);
+ __ li(r4, Operand(FLAG_deopt_every_n_times));
+ __ stw(r4, MemOperand(scratch));
+ __ Pop(r4, scratch);
- // 'Restore' the condition in a slightly hacky way. (It would be better
- // to use 'msr' and 'mrs' instructions here, but they are not supported by
- // our ARM simulator).
- if (condition != al) {
- condition = ne;
- __ cmp(scratch, Operand::Zero());
- }
+ __ Call(entry, RelocInfo::RUNTIME_ENTRY);
+ __ bind(&no_deopt);
+ __ stw(r4, MemOperand(scratch));
+ __ Pop(r4, scratch);
}
if (info()->ShouldTrapOnDeopt()) {
- __ stop("trap_on_deopt", condition);
+ __ stop("trap_on_deopt", cond, kDefaultStopCode, cr);
}
DCHECK(info()->IsStub() || frame_is_built_);
// Go through jump table if we need to handle condition, build frame, or
// restore caller doubles.
- if (condition == al && frame_is_built_ &&
+ if (cond == al && frame_is_built_ &&
!info()->saves_caller_doubles()) {
__ Call(entry, RelocInfo::RUNTIME_ENTRY);
} else {
@@ -914,17 +843,18 @@ void LCodeGen::DeoptimizeIf(Condition condition,
!frame_is_built_);
deopt_jump_table_.Add(table_entry, zone());
}
- __ b(condition, &deopt_jump_table_.last().label);
+ __ b(cond, &deopt_jump_table_.last().label, cr);
}
}
-void LCodeGen::DeoptimizeIf(Condition condition,
- LEnvironment* environment) {
+void LCodeGen::DeoptimizeIf(Condition cond,
+ LEnvironment* environment,
+ CRegister cr) {
Deoptimizer::BailoutType bailout_type = info()->IsStub()
? Deoptimizer::LAZY
: Deoptimizer::EAGER;
- DeoptimizeIf(condition, environment, bailout_type);
+ DeoptimizeIf(cond, environment, bailout_type, cr);
}
@@ -1028,10 +958,12 @@ void LCodeGen::RecordSafepoint(
safepoint.DefinePointerRegister(ToRegister(pointer), zone());
}
}
- if (FLAG_enable_ool_constant_pool && (kind & Safepoint::kWithRegisters)) {
- // Register pp always contains a pointer to the constant pool.
- safepoint.DefinePointerRegister(pp, zone());
+#if V8_OOL_CONSTANT_POOL
+ if (kind & Safepoint::kWithRegisters) {
+ // Register always contains a pointer to the constant pool.
+ safepoint.DefinePointerRegister(kConstantPoolRegister, zone());
}
+#endif
}
@@ -1109,7 +1041,7 @@ void LCodeGen::DoParameter(LParameter* instr) {
void LCodeGen::DoCallStub(LCallStub* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->result()).is(r3));
switch (instr->hydrogen()->major_key()) {
case CodeStub::RegExpExec: {
RegExpExecStub stub(isolate());
@@ -1149,23 +1081,33 @@ void LCodeGen::DoModByPowerOf2I(LModByPowerOf2I* instr) {
// indicate that positive dividends are heavily favored, so the branching
// version performs better.
HMod* hmod = instr->hydrogen();
- int32_t mask = divisor < 0 ? -(divisor + 1) : (divisor - 1);
+ int32_t shift = WhichPowerOf2Abs(divisor);
Label dividend_is_not_negative, done;
if (hmod->CheckFlag(HValue::kLeftCanBeNegative)) {
- __ cmp(dividend, Operand::Zero());
- __ b(pl, &dividend_is_not_negative);
- // Note that this is correct even for kMinInt operands.
- __ rsb(dividend, dividend, Operand::Zero());
- __ and_(dividend, dividend, Operand(mask));
- __ rsb(dividend, dividend, Operand::Zero(), SetCC);
- if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
- DeoptimizeIf(eq, instr->environment());
+ __ cmpwi(dividend, Operand::Zero());
+ __ bge(&dividend_is_not_negative);
+ if (shift) {
+ // Note that this is correct even for kMinInt operands.
+ __ neg(dividend, dividend);
+ __ ExtractBitRange(dividend, dividend, shift - 1, 0);
+ __ neg(dividend, dividend, LeaveOE, SetRC);
+ if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ DeoptimizeIf(eq, instr->environment(), cr0);
+ }
+ } else if (!hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ __ li(dividend, Operand::Zero());
+ } else {
+ DeoptimizeIf(al, instr->environment());
}
__ b(&done);
}
__ bind(&dividend_is_not_negative);
- __ and_(dividend, dividend, Operand(mask));
+ if (shift) {
+ __ ExtractBitRange(dividend, dividend, shift - 1, 0);
+ } else {
+ __ li(dividend, Operand::Zero());
+ }
__ bind(&done);
}
@@ -1183,15 +1125,15 @@ void LCodeGen::DoModByConstI(LModByConstI* instr) {
__ TruncatingDiv(result, dividend, Abs(divisor));
__ mov(ip, Operand(Abs(divisor)));
- __ smull(result, ip, result, ip);
- __ sub(result, dividend, result, SetCC);
+ __ mullw(result, result, ip);
+ __ sub(result, dividend, result, LeaveOE, SetRC);
// Check for negative zero.
HMod* hmod = instr->hydrogen();
if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
Label remainder_not_zero;
- __ b(ne, &remainder_not_zero);
- __ cmp(dividend, Operand::Zero());
+ __ bne(&remainder_not_zero, cr0);
+ __ cmpwi(dividend, Operand::Zero());
DeoptimizeIf(lt, instr->environment());
__ bind(&remainder_not_zero);
}
@@ -1200,109 +1142,50 @@ void LCodeGen::DoModByConstI(LModByConstI* instr) {
void LCodeGen::DoModI(LModI* instr) {
HMod* hmod = instr->hydrogen();
- if (CpuFeatures::IsSupported(SUDIV)) {
- CpuFeatureScope scope(masm(), SUDIV);
-
- Register left_reg = ToRegister(instr->left());
- Register right_reg = ToRegister(instr->right());
- Register result_reg = ToRegister(instr->result());
-
- Label done;
- // Check for x % 0, sdiv might signal an exception. We have to deopt in this
- // case because we can't return a NaN.
- if (hmod->CheckFlag(HValue::kCanBeDivByZero)) {
- __ cmp(right_reg, Operand::Zero());
- DeoptimizeIf(eq, instr->environment());
- }
+ Register left_reg = ToRegister(instr->left());
+ Register right_reg = ToRegister(instr->right());
+ Register result_reg = ToRegister(instr->result());
+ Register scratch = scratch0();
+ Label done;
- // Check for kMinInt % -1, sdiv will return kMinInt, which is not what we
- // want. We have to deopt if we care about -0, because we can't return that.
- if (hmod->CheckFlag(HValue::kCanOverflow)) {
- Label no_overflow_possible;
- __ cmp(left_reg, Operand(kMinInt));
- __ b(ne, &no_overflow_possible);
- __ cmp(right_reg, Operand(-1));
- if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
- DeoptimizeIf(eq, instr->environment());
- } else {
- __ b(ne, &no_overflow_possible);
- __ mov(result_reg, Operand::Zero());
- __ jmp(&done);
- }
- __ bind(&no_overflow_possible);
- }
+ if (hmod->CheckFlag(HValue::kCanOverflow)) {
+ __ li(r0, Operand::Zero()); // clear xer
+ __ mtxer(r0);
+ }
- // For 'r3 = r1 % r2' we can have the following ARM code:
- // sdiv r3, r1, r2
- // mls r3, r3, r2, r1
+ __ divw(scratch, left_reg, right_reg, SetOE, SetRC);
- __ sdiv(result_reg, left_reg, right_reg);
- __ Mls(result_reg, result_reg, right_reg, left_reg);
+ // Check for x % 0.
+ if (hmod->CheckFlag(HValue::kCanBeDivByZero)) {
+ __ cmpwi(right_reg, Operand::Zero());
+ DeoptimizeIf(eq, instr->environment());
+ }
- // If we care about -0, test if the dividend is <0 and the result is 0.
+ // Check for kMinInt % -1, divw will return undefined, which is not what we
+ // want. We have to deopt if we care about -0, because we can't return that.
+ if (hmod->CheckFlag(HValue::kCanOverflow)) {
+ Label no_overflow_possible;
if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
- __ cmp(result_reg, Operand::Zero());
- __ b(ne, &done);
- __ cmp(left_reg, Operand::Zero());
- DeoptimizeIf(lt, instr->environment());
+ DeoptimizeIf(overflow, instr->environment(), cr0);
+ } else {
+ __ bnooverflow(&no_overflow_possible, cr0);
+ __ li(result_reg, Operand::Zero());
+ __ b(&done);
}
- __ bind(&done);
+ __ bind(&no_overflow_possible);
+ }
- } else {
- // General case, without any SDIV support.
- Register left_reg = ToRegister(instr->left());
- Register right_reg = ToRegister(instr->right());
- Register result_reg = ToRegister(instr->result());
- Register scratch = scratch0();
- DCHECK(!scratch.is(left_reg));
- DCHECK(!scratch.is(right_reg));
- DCHECK(!scratch.is(result_reg));
- DwVfpRegister dividend = ToDoubleRegister(instr->temp());
- DwVfpRegister divisor = ToDoubleRegister(instr->temp2());
- DCHECK(!divisor.is(dividend));
- LowDwVfpRegister quotient = double_scratch0();
- DCHECK(!quotient.is(dividend));
- DCHECK(!quotient.is(divisor));
+ __ mullw(scratch, right_reg, scratch);
+ __ sub(result_reg, left_reg, scratch, LeaveOE, SetRC);
- Label done;
- // Check for x % 0, we have to deopt in this case because we can't return a
- // NaN.
- if (hmod->CheckFlag(HValue::kCanBeDivByZero)) {
- __ cmp(right_reg, Operand::Zero());
- DeoptimizeIf(eq, instr->environment());
- }
-
- __ Move(result_reg, left_reg);
- // Load the arguments in VFP registers. The divisor value is preloaded
- // before. Be careful that 'right_reg' is only live on entry.
- // TODO(svenpanne) The last comments seems to be wrong nowadays.
- __ vmov(double_scratch0().low(), left_reg);
- __ vcvt_f64_s32(dividend, double_scratch0().low());
- __ vmov(double_scratch0().low(), right_reg);
- __ vcvt_f64_s32(divisor, double_scratch0().low());
-
- // We do not care about the sign of the divisor. Note that we still handle
- // the kMinInt % -1 case correctly, though.
- __ vabs(divisor, divisor);
- // Compute the quotient and round it to a 32bit integer.
- __ vdiv(quotient, dividend, divisor);
- __ vcvt_s32_f64(quotient.low(), quotient);
- __ vcvt_f64_s32(quotient, quotient.low());
-
- // Compute the remainder in result.
- __ vmul(double_scratch0(), divisor, quotient);
- __ vcvt_s32_f64(double_scratch0().low(), double_scratch0());
- __ vmov(scratch, double_scratch0().low());
- __ sub(result_reg, left_reg, scratch, SetCC);
-
- // If we care about -0, test if the dividend is <0 and the result is 0.
- if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
- __ b(ne, &done);
- __ cmp(left_reg, Operand::Zero());
- DeoptimizeIf(mi, instr->environment());
- }
- __ bind(&done);
+ // If we care about -0, test if the dividend is <0 and the result is 0.
+ if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ __ bne(&done, cr0);
+ __ cmpwi(left_reg, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
}
+
+ __ bind(&done);
}
@@ -1316,37 +1199,41 @@ void LCodeGen::DoDivByPowerOf2I(LDivByPowerOf2I* instr) {
// Check for (0 / -x) that will produce negative zero.
HDiv* hdiv = instr->hydrogen();
if (hdiv->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) {
- __ cmp(dividend, Operand::Zero());
+ __ cmpwi(dividend, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
}
// Check for (kMinInt / -1).
if (hdiv->CheckFlag(HValue::kCanOverflow) && divisor == -1) {
- __ cmp(dividend, Operand(kMinInt));
+ __ lis(r0, Operand(SIGN_EXT_IMM16(0x8000)));
+ __ cmpw(dividend, r0);
DeoptimizeIf(eq, instr->environment());
}
+
+ int32_t shift = WhichPowerOf2Abs(divisor);
+
// Deoptimize if remainder will not be 0.
- if (!hdiv->CheckFlag(HInstruction::kAllUsesTruncatingToInt32) &&
- divisor != 1 && divisor != -1) {
- int32_t mask = divisor < 0 ? -(divisor + 1) : (divisor - 1);
- __ tst(dividend, Operand(mask));
- DeoptimizeIf(ne, instr->environment());
+ if (!hdiv->CheckFlag(HInstruction::kAllUsesTruncatingToInt32) && shift) {
+ __ TestBitRange(dividend, shift - 1, 0, r0);
+ DeoptimizeIf(ne, instr->environment(), cr0);
}
if (divisor == -1) { // Nice shortcut, not needed for correctness.
- __ rsb(result, dividend, Operand(0));
+ __ neg(result, dividend);
return;
}
- int32_t shift = WhichPowerOf2Abs(divisor);
if (shift == 0) {
- __ mov(result, dividend);
- } else if (shift == 1) {
- __ add(result, dividend, Operand(dividend, LSR, 31));
- } else {
- __ mov(result, Operand(dividend, ASR, 31));
- __ add(result, dividend, Operand(result, LSR, 32 - shift));
+ __ mr(result, dividend);
+ } else {
+ if (shift == 1) {
+ __ srwi(result, dividend, Operand(31));
+ } else {
+ __ srawi(result, dividend, 31);
+ __ srwi(result, result, Operand(32 - shift));
+ }
+ __ add(result, dividend, result);
+ __ srawi(result, result, shift);
}
- if (shift > 0) __ mov(result, Operand(result, ASR, shift));
- if (divisor < 0) __ rsb(result, result, Operand(0));
+ if (divisor < 0) __ neg(result, result);
}
@@ -1364,17 +1251,18 @@ void LCodeGen::DoDivByConstI(LDivByConstI* instr) {
// Check for (0 / -x) that will produce negative zero.
HDiv* hdiv = instr->hydrogen();
if (hdiv->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) {
- __ cmp(dividend, Operand::Zero());
+ __ cmpwi(dividend, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
}
__ TruncatingDiv(result, dividend, Abs(divisor));
- if (divisor < 0) __ rsb(result, result, Operand::Zero());
+ if (divisor < 0) __ neg(result, result);
if (!hdiv->CheckFlag(HInstruction::kAllUsesTruncatingToInt32)) {
+ Register scratch = scratch0();
__ mov(ip, Operand(divisor));
- __ smull(scratch0(), ip, result, ip);
- __ sub(scratch0(), scratch0(), dividend, SetCC);
+ __ mullw(scratch, result, ip);
+ __ cmpw(scratch, dividend);
DeoptimizeIf(ne, instr->environment());
}
}
@@ -1383,130 +1271,121 @@ void LCodeGen::DoDivByConstI(LDivByConstI* instr) {
// TODO(svenpanne) Refactor this to avoid code duplication with DoFlooringDivI.
void LCodeGen::DoDivI(LDivI* instr) {
HBinaryOperation* hdiv = instr->hydrogen();
- Register dividend = ToRegister(instr->dividend());
- Register divisor = ToRegister(instr->divisor());
+ const Register dividend = ToRegister(instr->dividend());
+ const Register divisor = ToRegister(instr->divisor());
Register result = ToRegister(instr->result());
+ DCHECK(!dividend.is(result));
+ DCHECK(!divisor.is(result));
+
+ if (hdiv->CheckFlag(HValue::kCanOverflow)) {
+ __ li(r0, Operand::Zero()); // clear xer
+ __ mtxer(r0);
+ }
+
+ __ divw(result, dividend, divisor, SetOE, SetRC);
+
// Check for x / 0.
if (hdiv->CheckFlag(HValue::kCanBeDivByZero)) {
- __ cmp(divisor, Operand::Zero());
+ __ cmpwi(divisor, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
}
// Check for (0 / -x) that will produce negative zero.
if (hdiv->CheckFlag(HValue::kBailoutOnMinusZero)) {
- Label positive;
- if (!instr->hydrogen_value()->CheckFlag(HValue::kCanBeDivByZero)) {
- // Do the test only if it hadn't be done above.
- __ cmp(divisor, Operand::Zero());
- }
- __ b(pl, &positive);
- __ cmp(dividend, Operand::Zero());
- DeoptimizeIf(eq, instr->environment());
- __ bind(&positive);
+ Label dividend_not_zero;
+ __ cmpwi(dividend, Operand::Zero());
+ __ bne(&dividend_not_zero);
+ __ cmpwi(divisor, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
+ __ bind(&dividend_not_zero);
}
// Check for (kMinInt / -1).
- if (hdiv->CheckFlag(HValue::kCanOverflow) &&
- (!CpuFeatures::IsSupported(SUDIV) ||
- !hdiv->CheckFlag(HValue::kAllUsesTruncatingToInt32))) {
- // We don't need to check for overflow when truncating with sdiv
- // support because, on ARM, sdiv kMinInt, -1 -> kMinInt.
- __ cmp(dividend, Operand(kMinInt));
- __ cmp(divisor, Operand(-1), eq);
- DeoptimizeIf(eq, instr->environment());
+ if (hdiv->CheckFlag(HValue::kCanOverflow)) {
+ Label no_overflow_possible;
+ if (!hdiv->CheckFlag(HValue::kAllUsesTruncatingToInt32)) {
+ DeoptimizeIf(overflow, instr->environment(), cr0);
+ } else {
+ // When truncating, we want kMinInt / -1 = kMinInt.
+ __ bnooverflow(&no_overflow_possible, cr0);
+ __ mr(result, dividend);
+ }
+ __ bind(&no_overflow_possible);
}
- if (CpuFeatures::IsSupported(SUDIV)) {
- CpuFeatureScope scope(masm(), SUDIV);
- __ sdiv(result, dividend, divisor);
- } else {
- DoubleRegister vleft = ToDoubleRegister(instr->temp());
- DoubleRegister vright = double_scratch0();
- __ vmov(double_scratch0().low(), dividend);
- __ vcvt_f64_s32(vleft, double_scratch0().low());
- __ vmov(double_scratch0().low(), divisor);
- __ vcvt_f64_s32(vright, double_scratch0().low());
- __ vdiv(vleft, vleft, vright); // vleft now contains the result.
- __ vcvt_s32_f64(double_scratch0().low(), vleft);
- __ vmov(result, double_scratch0().low());
- }
-
- if (!hdiv->CheckFlag(HValue::kAllUsesTruncatingToInt32)) {
- // Compute remainder and deopt if it's not zero.
- Register remainder = scratch0();
- __ Mls(remainder, result, divisor, dividend);
- __ cmp(remainder, Operand::Zero());
+ if (!hdiv->CheckFlag(HInstruction::kAllUsesTruncatingToInt32)) {
+ // Deoptimize if remainder is not 0.
+ Register scratch = scratch0();
+ __ mullw(scratch, divisor, result);
+ __ cmpw(dividend, scratch);
DeoptimizeIf(ne, instr->environment());
}
}
-void LCodeGen::DoMultiplyAddD(LMultiplyAddD* instr) {
- DwVfpRegister addend = ToDoubleRegister(instr->addend());
- DwVfpRegister multiplier = ToDoubleRegister(instr->multiplier());
- DwVfpRegister multiplicand = ToDoubleRegister(instr->multiplicand());
-
- // This is computed in-place.
- DCHECK(addend.is(ToDoubleRegister(instr->result())));
-
- __ vmla(addend, multiplier, multiplicand);
-}
-
-
-void LCodeGen::DoMultiplySubD(LMultiplySubD* instr) {
- DwVfpRegister minuend = ToDoubleRegister(instr->minuend());
- DwVfpRegister multiplier = ToDoubleRegister(instr->multiplier());
- DwVfpRegister multiplicand = ToDoubleRegister(instr->multiplicand());
-
- // This is computed in-place.
- DCHECK(minuend.is(ToDoubleRegister(instr->result())));
-
- __ vmls(minuend, multiplier, multiplicand);
-}
-
-
void LCodeGen::DoFlooringDivByPowerOf2I(LFlooringDivByPowerOf2I* instr) {
+ HBinaryOperation* hdiv = instr->hydrogen();
Register dividend = ToRegister(instr->dividend());
Register result = ToRegister(instr->result());
int32_t divisor = instr->divisor();
- // If the divisor is 1, return the dividend.
- if (divisor == 1) {
- __ Move(result, dividend);
- return;
- }
-
// If the divisor is positive, things are easy: There can be no deopts and we
// can simply do an arithmetic right shift.
int32_t shift = WhichPowerOf2Abs(divisor);
- if (divisor > 1) {
- __ mov(result, Operand(dividend, ASR, shift));
+ if (divisor > 0) {
+ if (shift || !result.is(dividend)) {
+ __ srawi(result, dividend, shift);
+ }
return;
}
// If the divisor is negative, we have to negate and handle edge cases.
- __ rsb(result, dividend, Operand::Zero(), SetCC);
- if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ OEBit oe = LeaveOE;
+#if V8_TARGET_ARCH_PPC64
+ if (divisor == -1 && hdiv->CheckFlag(HValue::kLeftCanBeMinInt)) {
+ __ lis(r0, Operand(SIGN_EXT_IMM16(0x8000)));
+ __ cmpw(dividend, r0);
DeoptimizeIf(eq, instr->environment());
}
+#else
+ if (hdiv->CheckFlag(HValue::kLeftCanBeMinInt)) {
+ __ li(r0, Operand::Zero()); // clear xer
+ __ mtxer(r0);
+ oe = SetOE;
+ }
+#endif
- // Dividing by -1 is basically negation, unless we overflow.
- if (divisor == -1) {
- if (instr->hydrogen()->CheckFlag(HValue::kLeftCanBeMinInt)) {
- DeoptimizeIf(vs, instr->environment());
- }
- return;
+ __ neg(result, dividend, oe, SetRC);
+ if (hdiv->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ DeoptimizeIf(eq, instr->environment(), cr0);
}
// If the negation could not overflow, simply shifting is OK.
+#if !V8_TARGET_ARCH_PPC64
if (!instr->hydrogen()->CheckFlag(HValue::kLeftCanBeMinInt)) {
- __ mov(result, Operand(result, ASR, shift));
+#endif
+ if (shift) {
+ __ ShiftRightArithImm(result, result, shift);
+ }
return;
+#if !V8_TARGET_ARCH_PPC64
}
- __ mov(result, Operand(kMinInt / divisor), LeaveCC, vs);
- __ mov(result, Operand(result, ASR, shift), LeaveCC, vc);
+ // Dividing by -1 is basically negation, unless we overflow.
+ if (divisor == -1) {
+ DeoptimizeIf(overflow, instr->environment(), cr0);
+ return;
+ }
+
+ Label overflow, done;
+ __ boverflow(&overflow, cr0);
+ __ srawi(result, result, shift);
+ __ b(&done);
+ __ bind(&overflow);
+ __ mov(result, Operand(kMinInt / divisor));
+ __ bind(&done);
+#endif
}
@@ -1524,7 +1403,7 @@ void LCodeGen::DoFlooringDivByConstI(LFlooringDivByConstI* instr) {
// Check for (0 / -x) that will produce negative zero.
HMathFloorOfDiv* hdiv = instr->hydrogen();
if (hdiv->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) {
- __ cmp(dividend, Operand::Zero());
+ __ cmpwi(dividend, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
}
@@ -1533,7 +1412,7 @@ void LCodeGen::DoFlooringDivByConstI(LFlooringDivByConstI* instr) {
if ((divisor > 0 && !hdiv->CheckFlag(HValue::kLeftCanBeNegative)) ||
(divisor < 0 && !hdiv->CheckFlag(HValue::kLeftCanBePositive))) {
__ TruncatingDiv(result, dividend, Abs(divisor));
- if (divisor < 0) __ rsb(result, result, Operand::Zero());
+ if (divisor < 0) __ neg(result, result);
return;
}
@@ -1542,16 +1421,16 @@ void LCodeGen::DoFlooringDivByConstI(LFlooringDivByConstI* instr) {
Register temp = ToRegister(instr->temp());
DCHECK(!temp.is(dividend) && !temp.is(result));
Label needs_adjustment, done;
- __ cmp(dividend, Operand::Zero());
+ __ cmpwi(dividend, Operand::Zero());
__ b(divisor > 0 ? lt : gt, &needs_adjustment);
__ TruncatingDiv(result, dividend, Abs(divisor));
- if (divisor < 0) __ rsb(result, result, Operand::Zero());
- __ jmp(&done);
+ if (divisor < 0) __ neg(result, result);
+ __ b(&done);
__ bind(&needs_adjustment);
- __ add(temp, dividend, Operand(divisor > 0 ? 1 : -1));
+ __ addi(temp, dividend, Operand(divisor > 0 ? 1 : -1));
__ TruncatingDiv(result, temp, Abs(divisor));
- if (divisor < 0) __ rsb(result, result, Operand::Zero());
- __ sub(result, result, Operand(1));
+ if (divisor < 0) __ neg(result, result);
+ __ subi(result, result, Operand(1));
__ bind(&done);
}
@@ -1559,67 +1438,94 @@ void LCodeGen::DoFlooringDivByConstI(LFlooringDivByConstI* instr) {
// TODO(svenpanne) Refactor this to avoid code duplication with DoDivI.
void LCodeGen::DoFlooringDivI(LFlooringDivI* instr) {
HBinaryOperation* hdiv = instr->hydrogen();
- Register left = ToRegister(instr->dividend());
- Register right = ToRegister(instr->divisor());
+ const Register dividend = ToRegister(instr->dividend());
+ const Register divisor = ToRegister(instr->divisor());
Register result = ToRegister(instr->result());
+ DCHECK(!dividend.is(result));
+ DCHECK(!divisor.is(result));
+
+ if (hdiv->CheckFlag(HValue::kCanOverflow)) {
+ __ li(r0, Operand::Zero()); // clear xer
+ __ mtxer(r0);
+ }
+
+ __ divw(result, dividend, divisor, SetOE, SetRC);
+
// Check for x / 0.
if (hdiv->CheckFlag(HValue::kCanBeDivByZero)) {
- __ cmp(right, Operand::Zero());
+ __ cmpwi(divisor, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
}
// Check for (0 / -x) that will produce negative zero.
if (hdiv->CheckFlag(HValue::kBailoutOnMinusZero)) {
- Label positive;
- if (!instr->hydrogen_value()->CheckFlag(HValue::kCanBeDivByZero)) {
- // Do the test only if it hadn't be done above.
- __ cmp(right, Operand::Zero());
- }
- __ b(pl, &positive);
- __ cmp(left, Operand::Zero());
- DeoptimizeIf(eq, instr->environment());
- __ bind(&positive);
+ Label dividend_not_zero;
+ __ cmpwi(dividend, Operand::Zero());
+ __ bne(&dividend_not_zero);
+ __ cmpwi(divisor, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
+ __ bind(&dividend_not_zero);
}
// Check for (kMinInt / -1).
- if (hdiv->CheckFlag(HValue::kCanOverflow) &&
- (!CpuFeatures::IsSupported(SUDIV) ||
- !hdiv->CheckFlag(HValue::kAllUsesTruncatingToInt32))) {
- // We don't need to check for overflow when truncating with sdiv
- // support because, on ARM, sdiv kMinInt, -1 -> kMinInt.
- __ cmp(left, Operand(kMinInt));
- __ cmp(right, Operand(-1), eq);
- DeoptimizeIf(eq, instr->environment());
- }
-
- if (CpuFeatures::IsSupported(SUDIV)) {
- CpuFeatureScope scope(masm(), SUDIV);
- __ sdiv(result, left, right);
- } else {
- DoubleRegister vleft = ToDoubleRegister(instr->temp());
- DoubleRegister vright = double_scratch0();
- __ vmov(double_scratch0().low(), left);
- __ vcvt_f64_s32(vleft, double_scratch0().low());
- __ vmov(double_scratch0().low(), right);
- __ vcvt_f64_s32(vright, double_scratch0().low());
- __ vdiv(vleft, vleft, vright); // vleft now contains the result.
- __ vcvt_s32_f64(double_scratch0().low(), vleft);
- __ vmov(result, double_scratch0().low());
+ if (hdiv->CheckFlag(HValue::kCanOverflow)) {
+ Label no_overflow_possible;
+ if (!hdiv->CheckFlag(HValue::kAllUsesTruncatingToInt32)) {
+ DeoptimizeIf(overflow, instr->environment(), cr0);
+ } else {
+ // When truncating, we want kMinInt / -1 = kMinInt.
+ __ bnooverflow(&no_overflow_possible, cr0);
+ __ mr(result, dividend);
+ }
+ __ bind(&no_overflow_possible);
}
Label done;
- Register remainder = scratch0();
- __ Mls(remainder, result, right, left);
- __ cmp(remainder, Operand::Zero());
- __ b(eq, &done);
- __ eor(remainder, remainder, Operand(right));
- __ add(result, result, Operand(remainder, ASR, 31));
+ Register scratch = scratch0();
+ // If both operands have the same sign then we are done.
+#if V8_TARGET_ARCH_PPC64
+ __ xor_(scratch, dividend, divisor);
+ __ cmpwi(scratch, Operand::Zero());
+ __ bge(&done);
+#else
+ __ xor_(scratch, dividend, divisor, SetRC);
+ __ bge(&done, cr0);
+#endif
+
+ // If there is no remainder then we are done.
+ __ mullw(scratch, divisor, result);
+ __ cmpw(dividend, scratch);
+ __ beq(&done);
+
+ // We performed a truncating division. Correct the result.
+ __ subi(result, result, Operand(1));
__ bind(&done);
}
+void LCodeGen::DoMultiplyAddD(LMultiplyAddD* instr) {
+ DoubleRegister addend = ToDoubleRegister(instr->addend());
+ DoubleRegister multiplier = ToDoubleRegister(instr->multiplier());
+ DoubleRegister multiplicand = ToDoubleRegister(instr->multiplicand());
+ DoubleRegister result = ToDoubleRegister(instr->result());
+
+ __ fmadd(result, multiplier, multiplicand, addend);
+}
+
+
+void LCodeGen::DoMultiplySubD(LMultiplySubD* instr) {
+ DoubleRegister minuend = ToDoubleRegister(instr->minuend());
+ DoubleRegister multiplier = ToDoubleRegister(instr->multiplier());
+ DoubleRegister multiplicand = ToDoubleRegister(instr->multiplicand());
+ DoubleRegister result = ToDoubleRegister(instr->result());
+
+ __ fmsub(result, multiplier, multiplicand, minuend);
+}
+
+
void LCodeGen::DoMulI(LMulI* instr) {
+ Register scratch = scratch0();
Register result = ToRegister(instr->result());
// Note that result may alias left.
Register left = ToRegister(instr->left());
@@ -1627,7 +1533,7 @@ void LCodeGen::DoMulI(LMulI* instr) {
bool bailout_on_minus_zero =
instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero);
- bool overflow = instr->hydrogen()->CheckFlag(HValue::kCanOverflow);
+ bool can_overflow = instr->hydrogen()->CheckFlag(HValue::kCanOverflow);
if (right_op->IsConstantOperand()) {
int32_t constant = ToInteger32(LConstantOperand::cast(right_op));
@@ -1635,27 +1541,47 @@ void LCodeGen::DoMulI(LMulI* instr) {
if (bailout_on_minus_zero && (constant < 0)) {
// The case of a null constant will be handled separately.
// If constant is negative and left is null, the result should be -0.
- __ cmp(left, Operand::Zero());
+ __ cmpi(left, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
}
switch (constant) {
case -1:
- if (overflow) {
- __ rsb(result, left, Operand::Zero(), SetCC);
- DeoptimizeIf(vs, instr->environment());
+ if (can_overflow) {
+#if V8_TARGET_ARCH_PPC64
+ if (instr->hydrogen()->representation().IsSmi()) {
+#endif
+ __ li(r0, Operand::Zero()); // clear xer
+ __ mtxer(r0);
+ __ neg(result, left, SetOE, SetRC);
+ DeoptimizeIf(overflow, instr->environment(), cr0);
+#if V8_TARGET_ARCH_PPC64
+ } else {
+ __ neg(result, left);
+ __ TestIfInt32(result, scratch, r0);
+ DeoptimizeIf(ne, instr->environment());
+ }
+#endif
} else {
- __ rsb(result, left, Operand::Zero());
+ __ neg(result, left);
}
break;
case 0:
if (bailout_on_minus_zero) {
// If left is strictly negative and the constant is null, the
// result is -0. Deoptimize if required, otherwise return 0.
- __ cmp(left, Operand::Zero());
- DeoptimizeIf(mi, instr->environment());
+#if V8_TARGET_ARCH_PPC64
+ if (instr->hydrogen()->representation().IsSmi()) {
+#endif
+ __ cmpi(left, Operand::Zero());
+#if V8_TARGET_ARCH_PPC64
+ } else {
+ __ cmpwi(left, Operand::Zero());
+ }
+#endif
+ DeoptimizeIf(lt, instr->environment());
}
- __ mov(result, Operand::Zero());
+ __ li(result, Operand::Zero());
break;
case 1:
__ Move(result, left);
@@ -1669,23 +1595,25 @@ void LCodeGen::DoMulI(LMulI* instr) {
if (IsPowerOf2(constant_abs)) {
int32_t shift = WhichPowerOf2(constant_abs);
- __ mov(result, Operand(left, LSL, shift));
- // Correct the sign of the result is the constant is negative.
- if (constant < 0) __ rsb(result, result, Operand::Zero());
+ __ ShiftLeftImm(result, left, Operand(shift));
+ // Correct the sign of the result if the constant is negative.
+ if (constant < 0) __ neg(result, result);
} else if (IsPowerOf2(constant_abs - 1)) {
int32_t shift = WhichPowerOf2(constant_abs - 1);
- __ add(result, left, Operand(left, LSL, shift));
- // Correct the sign of the result is the constant is negative.
- if (constant < 0) __ rsb(result, result, Operand::Zero());
+ __ ShiftLeftImm(scratch, left, Operand(shift));
+ __ add(result, scratch, left);
+ // Correct the sign of the result if the constant is negative.
+ if (constant < 0) __ neg(result, result);
} else if (IsPowerOf2(constant_abs + 1)) {
int32_t shift = WhichPowerOf2(constant_abs + 1);
- __ rsb(result, left, Operand(left, LSL, shift));
- // Correct the sign of the result is the constant is negative.
- if (constant < 0) __ rsb(result, result, Operand::Zero());
+ __ ShiftLeftImm(scratch, left, Operand(shift));
+ __ sub(result, scratch, left);
+ // Correct the sign of the result if the constant is negative.
+ if (constant < 0) __ neg(result, result);
} else {
// Generate standard code.
__ mov(ip, Operand(constant));
- __ mul(result, left, ip);
+ __ Mul(result, left, ip);
}
}
@@ -1693,32 +1621,59 @@ void LCodeGen::DoMulI(LMulI* instr) {
DCHECK(right_op->IsRegister());
Register right = ToRegister(right_op);
- if (overflow) {
- Register scratch = scratch0();
+ if (can_overflow) {
+#if V8_TARGET_ARCH_PPC64
+ // result = left * right.
+ if (instr->hydrogen()->representation().IsSmi()) {
+ __ SmiUntag(result, left);
+ __ SmiUntag(scratch, right);
+ __ Mul(result, result, scratch);
+ } else {
+ __ Mul(result, left, right);
+ }
+ __ TestIfInt32(result, scratch, r0);
+ DeoptimizeIf(ne, instr->environment());
+ if (instr->hydrogen()->representation().IsSmi()) {
+ __ SmiTag(result);
+ }
+#else
// scratch:result = left * right.
if (instr->hydrogen()->representation().IsSmi()) {
__ SmiUntag(result, left);
- __ smull(result, scratch, result, right);
+ __ mulhw(scratch, result, right);
+ __ mullw(result, result, right);
} else {
- __ smull(result, scratch, left, right);
+ __ mulhw(scratch, left, right);
+ __ mullw(result, left, right);
}
- __ cmp(scratch, Operand(result, ASR, 31));
+ __ TestIfInt32(scratch, result, r0);
DeoptimizeIf(ne, instr->environment());
+#endif
} else {
if (instr->hydrogen()->representation().IsSmi()) {
__ SmiUntag(result, left);
- __ mul(result, result, right);
+ __ Mul(result, result, right);
} else {
- __ mul(result, left, right);
+ __ Mul(result, left, right);
}
}
if (bailout_on_minus_zero) {
Label done;
- __ teq(left, Operand(right));
- __ b(pl, &done);
+#if V8_TARGET_ARCH_PPC64
+ if (instr->hydrogen()->representation().IsSmi()) {
+#endif
+ __ xor_(r0, left, right, SetRC);
+ __ bge(&done, cr0);
+#if V8_TARGET_ARCH_PPC64
+ } else {
+ __ xor_(r0, left, right);
+ __ cmpwi(r0, Operand::Zero());
+ __ bge(&done);
+ }
+#endif
// Bail out if the result is minus zero.
- __ cmp(result, Operand::Zero());
+ __ cmpi(result, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
__ bind(&done);
}
@@ -1739,20 +1694,38 @@ void LCodeGen::DoBitI(LBitI* instr) {
} else {
DCHECK(right_op->IsRegister() || right_op->IsConstantOperand());
right = ToOperand(right_op);
+
+ if (right_op->IsConstantOperand() && is_uint16(right.immediate())) {
+ switch (instr->op()) {
+ case Token::BIT_AND:
+ __ andi(result, left, right);
+ break;
+ case Token::BIT_OR:
+ __ ori(result, left, right);
+ break;
+ case Token::BIT_XOR:
+ __ xori(result, left, right);
+ break;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ return;
+ }
}
switch (instr->op()) {
case Token::BIT_AND:
- __ and_(result, left, right);
+ __ And(result, left, right);
break;
case Token::BIT_OR:
- __ orr(result, left, right);
+ __ Or(result, left, right);
break;
case Token::BIT_XOR:
if (right_op->IsConstantOperand() && right.immediate() == int32_t(~0)) {
- __ mvn(result, Operand(left));
+ __ notx(result, left);
} else {
- __ eor(result, left, right);
+ __ Xor(result, left, right);
}
break;
default:
@@ -1771,24 +1744,32 @@ void LCodeGen::DoShiftI(LShiftI* instr) {
Register scratch = scratch0();
if (right_op->IsRegister()) {
// Mask the right_op operand.
- __ and_(scratch, ToRegister(right_op), Operand(0x1F));
+ __ andi(scratch, ToRegister(right_op), Operand(0x1F));
switch (instr->op()) {
case Token::ROR:
- __ mov(result, Operand(left, ROR, scratch));
+ // rotate_right(a, b) == rotate_left(a, 32 - b)
+ __ subfic(scratch, scratch, Operand(32));
+ __ rotlw(result, left, scratch);
break;
case Token::SAR:
- __ mov(result, Operand(left, ASR, scratch));
+ __ sraw(result, left, scratch);
break;
case Token::SHR:
if (instr->can_deopt()) {
- __ mov(result, Operand(left, LSR, scratch), SetCC);
- DeoptimizeIf(mi, instr->environment());
+ __ srw(result, left, scratch, SetRC);
+#if V8_TARGET_ARCH_PPC64
+ __ extsw(result, result, SetRC);
+#endif
+ DeoptimizeIf(lt, instr->environment(), cr0);
} else {
- __ mov(result, Operand(left, LSR, scratch));
+ __ srw(result, left, scratch);
}
break;
case Token::SHL:
- __ mov(result, Operand(left, LSL, scratch));
+ __ slw(result, left, scratch);
+#if V8_TARGET_ARCH_PPC64
+ __ extsw(result, result);
+#endif
break;
default:
UNREACHABLE();
@@ -1800,43 +1781,51 @@ void LCodeGen::DoShiftI(LShiftI* instr) {
uint8_t shift_count = static_cast<uint8_t>(value & 0x1F);
switch (instr->op()) {
case Token::ROR:
- if (shift_count != 0) {
- __ mov(result, Operand(left, ROR, shift_count));
+ if (shift_count != 0) {
+ __ rotrwi(result, left, shift_count);
} else {
__ Move(result, left);
}
break;
case Token::SAR:
if (shift_count != 0) {
- __ mov(result, Operand(left, ASR, shift_count));
+ __ srawi(result, left, shift_count);
} else {
__ Move(result, left);
}
break;
case Token::SHR:
if (shift_count != 0) {
- __ mov(result, Operand(left, LSR, shift_count));
+ __ srwi(result, left, Operand(shift_count));
} else {
if (instr->can_deopt()) {
- __ tst(left, Operand(0x80000000));
- DeoptimizeIf(ne, instr->environment());
+ __ cmpwi(left, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
}
__ Move(result, left);
}
break;
case Token::SHL:
if (shift_count != 0) {
+#if V8_TARGET_ARCH_PPC64
+ if (instr->hydrogen_value()->representation().IsSmi()) {
+ __ sldi(result, left, Operand(shift_count));
+#else
if (instr->hydrogen_value()->representation().IsSmi() &&
instr->can_deopt()) {
if (shift_count != 1) {
- __ mov(result, Operand(left, LSL, shift_count - 1));
- __ SmiTag(result, result, SetCC);
+ __ slwi(result, left, Operand(shift_count - 1));
+ __ SmiTagCheckOverflow(result, result, scratch);
} else {
- __ SmiTag(result, left, SetCC);
+ __ SmiTagCheckOverflow(result, left, scratch);
}
- DeoptimizeIf(vs, instr->environment());
+ DeoptimizeIf(lt, instr->environment(), cr0);
+#endif
} else {
- __ mov(result, Operand(left, LSL, shift_count));
+ __ slwi(result, left, Operand(shift_count));
+#if V8_TARGET_ARCH_PPC64
+ __ extsw(result, result);
+#endif
}
} else {
__ Move(result, left);
@@ -1851,23 +1840,38 @@ void LCodeGen::DoShiftI(LShiftI* instr) {
void LCodeGen::DoSubI(LSubI* instr) {
- LOperand* left = instr->left();
LOperand* right = instr->right();
- LOperand* result = instr->result();
+ Register left = ToRegister(instr->left());
+ Register result = ToRegister(instr->result());
bool can_overflow = instr->hydrogen()->CheckFlag(HValue::kCanOverflow);
- SBit set_cond = can_overflow ? SetCC : LeaveCC;
-
- if (right->IsStackSlot()) {
- Register right_reg = EmitLoadRegister(right, ip);
- __ sub(ToRegister(result), ToRegister(left), Operand(right_reg), set_cond);
+ if (!can_overflow && right->IsConstantOperand()) {
+ Operand right_operand = ToOperand(right);
+ __ Add(result, left, -right_operand.immediate(), r0);
} else {
- DCHECK(right->IsRegister() || right->IsConstantOperand());
- __ sub(ToRegister(result), ToRegister(left), ToOperand(right), set_cond);
+ Register right_reg = EmitLoadRegister(right, ip);
+
+ if (!can_overflow) {
+ __ sub(result, left, right_reg);
+ } else {
+ __ SubAndCheckForOverflow(result,
+ left,
+ right_reg,
+ scratch0(), r0);
+ // Doptimize on overflow
+#if V8_TARGET_ARCH_PPC64
+ if (!instr->hydrogen()->representation().IsSmi()) {
+ __ extsw(scratch0(), scratch0(), SetRC);
+ }
+#endif
+ DeoptimizeIf(lt, instr->environment(), cr0);
+ }
}
- if (can_overflow) {
- DeoptimizeIf(vs, instr->environment());
+#if V8_TARGET_ARCH_PPC64
+ if (!instr->hydrogen()->representation().IsSmi()) {
+ __ extsw(result, result);
}
+#endif
}
@@ -1875,19 +1879,16 @@ void LCodeGen::DoRSubI(LRSubI* instr) {
LOperand* left = instr->left();
LOperand* right = instr->right();
LOperand* result = instr->result();
- bool can_overflow = instr->hydrogen()->CheckFlag(HValue::kCanOverflow);
- SBit set_cond = can_overflow ? SetCC : LeaveCC;
- if (right->IsStackSlot()) {
- Register right_reg = EmitLoadRegister(right, ip);
- __ rsb(ToRegister(result), ToRegister(left), Operand(right_reg), set_cond);
- } else {
- DCHECK(right->IsRegister() || right->IsConstantOperand());
- __ rsb(ToRegister(result), ToRegister(left), ToOperand(right), set_cond);
- }
+ DCHECK(!instr->hydrogen()->CheckFlag(HValue::kCanOverflow) &&
+ right->IsConstantOperand());
- if (can_overflow) {
- DeoptimizeIf(vs, instr->environment());
+ Operand right_operand = ToOperand(right);
+ if (is_int16(right_operand.immediate())) {
+ __ subfic(ToRegister(result), ToRegister(left), right_operand);
+ } else {
+ __ mov(r0, right_operand);
+ __ sub(ToRegister(result), r0, ToRegister(left));
}
}
@@ -1898,15 +1899,17 @@ void LCodeGen::DoConstantI(LConstantI* instr) {
void LCodeGen::DoConstantS(LConstantS* instr) {
- __ mov(ToRegister(instr->result()), Operand(instr->value()));
+ __ LoadSmiLiteral(ToRegister(instr->result()), instr->value());
}
+// TODO(penguin): put const to constant pool instead
+// of storing double to stack
void LCodeGen::DoConstantD(LConstantD* instr) {
DCHECK(instr->result()->IsDoubleRegister());
- DwVfpRegister result = ToDoubleRegister(instr->result());
+ DoubleRegister result = ToDoubleRegister(instr->result());
double v = instr->value();
- __ Vmov(result, v, scratch0());
+ __ LoadDoubleLiteral(result, v, scratch0());
}
@@ -1936,32 +1939,32 @@ void LCodeGen::DoDateField(LDateField* instr) {
Smi* index = instr->index();
Label runtime, done;
DCHECK(object.is(result));
- DCHECK(object.is(r0));
+ DCHECK(object.is(r3));
DCHECK(!scratch.is(scratch0()));
DCHECK(!scratch.is(object));
- __ SmiTst(object);
- DeoptimizeIf(eq, instr->environment());
+ __ TestIfSmi(object, r0);
+ DeoptimizeIf(eq, instr->environment(), cr0);
__ CompareObjectType(object, scratch, scratch, JS_DATE_TYPE);
DeoptimizeIf(ne, instr->environment());
if (index->value() == 0) {
- __ ldr(result, FieldMemOperand(object, JSDate::kValueOffset));
+ __ LoadP(result, FieldMemOperand(object, JSDate::kValueOffset));
} else {
if (index->value() < JSDate::kFirstUncachedField) {
ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
__ mov(scratch, Operand(stamp));
- __ ldr(scratch, MemOperand(scratch));
- __ ldr(scratch0(), FieldMemOperand(object, JSDate::kCacheStampOffset));
+ __ LoadP(scratch, MemOperand(scratch));
+ __ LoadP(scratch0(), FieldMemOperand(object, JSDate::kCacheStampOffset));
__ cmp(scratch, scratch0());
- __ b(ne, &runtime);
- __ ldr(result, FieldMemOperand(object, JSDate::kValueOffset +
- kPointerSize * index->value()));
- __ jmp(&done);
+ __ bne(&runtime);
+ __ LoadP(result, FieldMemOperand(object, JSDate::kValueOffset +
+ kPointerSize * index->value()));
+ __ b(&done);
}
__ bind(&runtime);
__ PrepareCallCFunction(2, scratch);
- __ mov(r1, Operand(index));
+ __ LoadSmiLiteral(r4, index);
__ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
__ bind(&done);
}
@@ -1983,10 +1986,11 @@ MemOperand LCodeGen::BuildSeqStringOperand(Register string,
DCHECK(!scratch.is(string));
DCHECK(!scratch.is(ToRegister(index)));
if (encoding == String::ONE_BYTE_ENCODING) {
- __ add(scratch, string, Operand(ToRegister(index)));
+ __ add(scratch, string, ToRegister(index));
} else {
STATIC_ASSERT(kUC16Size == 2);
- __ add(scratch, string, Operand(ToRegister(index), LSL, 1));
+ __ ShiftLeftImm(scratch, ToRegister(index), Operand(1));
+ __ add(scratch, string, scratch);
}
return FieldMemOperand(scratch, SeqString::kHeaderSize);
}
@@ -1999,23 +2003,23 @@ void LCodeGen::DoSeqStringGetChar(LSeqStringGetChar* instr) {
if (FLAG_debug_code) {
Register scratch = scratch0();
- __ ldr(scratch, FieldMemOperand(string, HeapObject::kMapOffset));
- __ ldrb(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
+ __ LoadP(scratch, FieldMemOperand(string, HeapObject::kMapOffset));
+ __ lbz(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
- __ and_(scratch, scratch,
+ __ andi(scratch, scratch,
Operand(kStringRepresentationMask | kStringEncodingMask));
static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag;
static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag;
- __ cmp(scratch, Operand(encoding == String::ONE_BYTE_ENCODING
- ? one_byte_seq_type : two_byte_seq_type));
+ __ cmpi(scratch, Operand(encoding == String::ONE_BYTE_ENCODING
+ ? one_byte_seq_type : two_byte_seq_type));
__ Check(eq, kUnexpectedStringType);
}
MemOperand operand = BuildSeqStringOperand(string, instr->index(), encoding);
if (encoding == String::ONE_BYTE_ENCODING) {
- __ ldrb(result, operand);
+ __ lbz(result, operand);
} else {
- __ ldrh(result, operand);
+ __ lhz(result, operand);
}
}
@@ -2037,31 +2041,51 @@ void LCodeGen::DoSeqStringSetChar(LSeqStringSetChar* instr) {
MemOperand operand = BuildSeqStringOperand(string, instr->index(), encoding);
if (encoding == String::ONE_BYTE_ENCODING) {
- __ strb(value, operand);
+ __ stb(value, operand);
} else {
- __ strh(value, operand);
+ __ sth(value, operand);
}
}
void LCodeGen::DoAddI(LAddI* instr) {
- LOperand* left = instr->left();
LOperand* right = instr->right();
- LOperand* result = instr->result();
+ Register left = ToRegister(instr->left());
+ Register result = ToRegister(instr->result());
bool can_overflow = instr->hydrogen()->CheckFlag(HValue::kCanOverflow);
- SBit set_cond = can_overflow ? SetCC : LeaveCC;
+#if V8_TARGET_ARCH_PPC64
+ bool isInteger = !(instr->hydrogen()->representation().IsSmi() ||
+ instr->hydrogen()->representation().IsExternal());
+#endif
- if (right->IsStackSlot()) {
- Register right_reg = EmitLoadRegister(right, ip);
- __ add(ToRegister(result), ToRegister(left), Operand(right_reg), set_cond);
+ if (!can_overflow && right->IsConstantOperand()) {
+ Operand right_operand = ToOperand(right);
+ __ Add(result, left, right_operand.immediate(), r0);
} else {
- DCHECK(right->IsRegister() || right->IsConstantOperand());
- __ add(ToRegister(result), ToRegister(left), ToOperand(right), set_cond);
+ Register right_reg = EmitLoadRegister(right, ip);
+
+ if (!can_overflow) {
+ __ add(result, left, right_reg);
+ } else { // can_overflow.
+ __ AddAndCheckForOverflow(result,
+ left,
+ right_reg,
+ scratch0(), r0);
+#if V8_TARGET_ARCH_PPC64
+ if (isInteger) {
+ __ extsw(scratch0(), scratch0(), SetRC);
+ }
+#endif
+ // Doptimize on overflow
+ DeoptimizeIf(lt, instr->environment(), cr0);
+ }
}
- if (can_overflow) {
- DeoptimizeIf(vs, instr->environment());
+#if V8_TARGET_ARCH_PPC64
+ if (isInteger) {
+ __ extsw(result, result);
}
+#endif
}
@@ -2069,85 +2093,91 @@ void LCodeGen::DoMathMinMax(LMathMinMax* instr) {
LOperand* left = instr->left();
LOperand* right = instr->right();
HMathMinMax::Operation operation = instr->hydrogen()->operation();
+ Condition cond = (operation == HMathMinMax::kMathMin) ? le : ge;
if (instr->hydrogen()->representation().IsSmiOrInteger32()) {
- Condition condition = (operation == HMathMinMax::kMathMin) ? le : ge;
Register left_reg = ToRegister(left);
- Operand right_op = (right->IsRegister() || right->IsConstantOperand())
- ? ToOperand(right)
- : Operand(EmitLoadRegister(right, ip));
+ Register right_reg = EmitLoadRegister(right, ip);
Register result_reg = ToRegister(instr->result());
- __ cmp(left_reg, right_op);
- __ Move(result_reg, left_reg, condition);
- __ mov(result_reg, right_op, LeaveCC, NegateCondition(condition));
- } else {
- DCHECK(instr->hydrogen()->representation().IsDouble());
- DwVfpRegister left_reg = ToDoubleRegister(left);
- DwVfpRegister right_reg = ToDoubleRegister(right);
- DwVfpRegister result_reg = ToDoubleRegister(instr->result());
- Label result_is_nan, return_left, return_right, check_zero, done;
- __ VFPCompareAndSetFlags(left_reg, right_reg);
- if (operation == HMathMinMax::kMathMin) {
- __ b(mi, &return_left);
- __ b(gt, &return_right);
- } else {
- __ b(mi, &return_right);
- __ b(gt, &return_left);
- }
- __ b(vs, &result_is_nan);
- // Left equals right => check for -0.
- __ VFPCompareAndSetFlags(left_reg, 0.0);
- if (left_reg.is(result_reg) || right_reg.is(result_reg)) {
- __ b(ne, &done); // left == right != 0.
+ Label return_left, done;
+#if V8_TARGET_ARCH_PPC64
+ if (instr->hydrogen_value()->representation().IsSmi()) {
+#endif
+ __ cmp(left_reg, right_reg);
+#if V8_TARGET_ARCH_PPC64
} else {
- __ b(ne, &return_left); // left == right != 0.
+ __ cmpw(left_reg, right_reg);
}
+#endif
+ __ b(cond, &return_left);
+ __ Move(result_reg, right_reg);
+ __ b(&done);
+ __ bind(&return_left);
+ __ Move(result_reg, left_reg);
+ __ bind(&done);
+ } else {
+ DCHECK(instr->hydrogen()->representation().IsDouble());
+ DoubleRegister left_reg = ToDoubleRegister(left);
+ DoubleRegister right_reg = ToDoubleRegister(right);
+ DoubleRegister result_reg = ToDoubleRegister(instr->result());
+ Label check_nan_left, check_zero, return_left, return_right, done;
+ __ fcmpu(left_reg, right_reg);
+ __ bunordered(&check_nan_left);
+ __ beq(&check_zero);
+ __ b(cond, &return_left);
+ __ b(&return_right);
+
+ __ bind(&check_zero);
+ __ fcmpu(left_reg, kDoubleRegZero);
+ __ bne(&return_left); // left == right != 0.
+
// At this point, both left and right are either 0 or -0.
+ // N.B. The following works because +0 + -0 == +0
if (operation == HMathMinMax::kMathMin) {
- // We could use a single 'vorr' instruction here if we had NEON support.
- __ vneg(left_reg, left_reg);
- __ vsub(result_reg, left_reg, right_reg);
- __ vneg(result_reg, result_reg);
+ // For min we want logical-or of sign bit: -(-L + -R)
+ __ fneg(left_reg, left_reg);
+ __ fsub(result_reg, left_reg, right_reg);
+ __ fneg(result_reg, result_reg);
} else {
- // Since we operate on +0 and/or -0, vadd and vand have the same effect;
- // the decision for vadd is easy because vand is a NEON instruction.
- __ vadd(result_reg, left_reg, right_reg);
+ // For max we want logical-and of sign bit: (L + R)
+ __ fadd(result_reg, left_reg, right_reg);
}
__ b(&done);
- __ bind(&result_is_nan);
- __ vadd(result_reg, left_reg, right_reg);
- __ b(&done);
+ __ bind(&check_nan_left);
+ __ fcmpu(left_reg, left_reg);
+ __ bunordered(&return_left); // left == NaN.
__ bind(&return_right);
- __ Move(result_reg, right_reg);
- if (!left_reg.is(result_reg)) {
- __ b(&done);
+ if (!right_reg.is(result_reg)) {
+ __ fmr(result_reg, right_reg);
}
+ __ b(&done);
__ bind(&return_left);
- __ Move(result_reg, left_reg);
-
+ if (!left_reg.is(result_reg)) {
+ __ fmr(result_reg, left_reg);
+ }
__ bind(&done);
}
}
void LCodeGen::DoArithmeticD(LArithmeticD* instr) {
- DwVfpRegister left = ToDoubleRegister(instr->left());
- DwVfpRegister right = ToDoubleRegister(instr->right());
- DwVfpRegister result = ToDoubleRegister(instr->result());
+ DoubleRegister left = ToDoubleRegister(instr->left());
+ DoubleRegister right = ToDoubleRegister(instr->right());
+ DoubleRegister result = ToDoubleRegister(instr->result());
switch (instr->op()) {
case Token::ADD:
- __ vadd(result, left, right);
+ __ fadd(result, left, right);
break;
case Token::SUB:
- __ vsub(result, left, right);
+ __ fsub(result, left, right);
break;
case Token::MUL:
- __ vmul(result, left, right);
+ __ fmul(result, left, right);
break;
case Token::DIV:
- __ vdiv(result, left, right);
+ __ fdiv(result, left, right);
break;
case Token::MOD: {
__ PrepareCallCFunction(0, 2, scratch0());
@@ -2168,42 +2198,41 @@ void LCodeGen::DoArithmeticD(LArithmeticD* instr) {
void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->left()).is(r1));
- DCHECK(ToRegister(instr->right()).is(r0));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->left()).is(r4));
+ DCHECK(ToRegister(instr->right()).is(r3));
+ DCHECK(ToRegister(instr->result()).is(r3));
BinaryOpICStub stub(isolate(), instr->op(), NO_OVERWRITE);
- // Block literal pool emission to ensure nop indicating no inlined smi code
- // is in the correct position.
- Assembler::BlockConstPoolScope block_const_pool(masm());
CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
}
template<class InstrType>
-void LCodeGen::EmitBranch(InstrType instr, Condition condition) {
+void LCodeGen::EmitBranch(InstrType instr, Condition cond,
+ CRegister cr) {
int left_block = instr->TrueDestination(chunk_);
int right_block = instr->FalseDestination(chunk_);
int next_block = GetNextEmittedBlock();
- if (right_block == left_block || condition == al) {
+ if (right_block == left_block || cond == al) {
EmitGoto(left_block);
} else if (left_block == next_block) {
- __ b(NegateCondition(condition), chunk_->GetAssemblyLabel(right_block));
+ __ b(NegateCondition(cond), chunk_->GetAssemblyLabel(right_block), cr);
} else if (right_block == next_block) {
- __ b(condition, chunk_->GetAssemblyLabel(left_block));
+ __ b(cond, chunk_->GetAssemblyLabel(left_block), cr);
} else {
- __ b(condition, chunk_->GetAssemblyLabel(left_block));
+ __ b(cond, chunk_->GetAssemblyLabel(left_block), cr);
__ b(chunk_->GetAssemblyLabel(right_block));
}
}
template<class InstrType>
-void LCodeGen::EmitFalseBranch(InstrType instr, Condition condition) {
+void LCodeGen::EmitFalseBranch(InstrType instr, Condition cond,
+ CRegister cr) {
int false_block = instr->FalseDestination(chunk_);
- __ b(condition, chunk_->GetAssemblyLabel(false_block));
+ __ b(cond, chunk_->GetAssemblyLabel(false_block), cr);
}
@@ -2214,18 +2243,28 @@ void LCodeGen::DoDebugBreak(LDebugBreak* instr) {
void LCodeGen::DoBranch(LBranch* instr) {
Representation r = instr->hydrogen()->value()->representation();
- if (r.IsInteger32() || r.IsSmi()) {
+ DoubleRegister dbl_scratch = double_scratch0();
+ const uint crZOrNaNBits = (1 << (31 - Assembler::encode_crbit(cr7, CR_EQ)) |
+ 1 << (31 - Assembler::encode_crbit(cr7, CR_FU)));
+
+ if (r.IsInteger32()) {
DCHECK(!info()->IsStub());
Register reg = ToRegister(instr->value());
- __ cmp(reg, Operand::Zero());
+ __ cmpwi(reg, Operand::Zero());
+ EmitBranch(instr, ne);
+ } else if (r.IsSmi()) {
+ DCHECK(!info()->IsStub());
+ Register reg = ToRegister(instr->value());
+ __ cmpi(reg, Operand::Zero());
EmitBranch(instr, ne);
} else if (r.IsDouble()) {
DCHECK(!info()->IsStub());
- DwVfpRegister reg = ToDoubleRegister(instr->value());
+ DoubleRegister reg = ToDoubleRegister(instr->value());
// Test the double value. Zero and NaN are false.
- __ VFPCompareAndSetFlags(reg, 0.0);
- __ cmp(r0, r0, vs); // If NaN, set the Z flag. (NaN -> false)
- EmitBranch(instr, ne);
+ __ fcmpu(reg, kDoubleRegZero, cr7);
+ __ mfcr(r0);
+ __ andi(r0, r0, Operand(crZOrNaNBits));
+ EmitBranch(instr, eq, cr0);
} else {
DCHECK(r.IsTagged());
Register reg = ToRegister(instr->value());
@@ -2236,23 +2275,23 @@ void LCodeGen::DoBranch(LBranch* instr) {
EmitBranch(instr, eq);
} else if (type.IsSmi()) {
DCHECK(!info()->IsStub());
- __ cmp(reg, Operand::Zero());
+ __ cmpi(reg, Operand::Zero());
EmitBranch(instr, ne);
} else if (type.IsJSArray()) {
DCHECK(!info()->IsStub());
EmitBranch(instr, al);
} else if (type.IsHeapNumber()) {
DCHECK(!info()->IsStub());
- DwVfpRegister dbl_scratch = double_scratch0();
- __ vldr(dbl_scratch, FieldMemOperand(reg, HeapNumber::kValueOffset));
+ __ lfd(dbl_scratch, FieldMemOperand(reg, HeapNumber::kValueOffset));
// Test the double value. Zero and NaN are false.
- __ VFPCompareAndSetFlags(dbl_scratch, 0.0);
- __ cmp(r0, r0, vs); // If NaN, set the Z flag. (NaN)
- EmitBranch(instr, ne);
+ __ fcmpu(dbl_scratch, kDoubleRegZero, cr7);
+ __ mfcr(r0);
+ __ andi(r0, r0, Operand(crZOrNaNBits));
+ EmitBranch(instr, eq, cr0);
} else if (type.IsString()) {
DCHECK(!info()->IsStub());
- __ ldr(ip, FieldMemOperand(reg, String::kLengthOffset));
- __ cmp(ip, Operand::Zero());
+ __ LoadP(ip, FieldMemOperand(reg, String::kLengthOffset));
+ __ cmpi(ip, Operand::Zero());
EmitBranch(instr, ne);
} else {
ToBooleanStub::Types expected = instr->hydrogen()->expected_input_types();
@@ -2262,58 +2301,58 @@ void LCodeGen::DoBranch(LBranch* instr) {
if (expected.Contains(ToBooleanStub::UNDEFINED)) {
// undefined -> false.
__ CompareRoot(reg, Heap::kUndefinedValueRootIndex);
- __ b(eq, instr->FalseLabel(chunk_));
+ __ beq(instr->FalseLabel(chunk_));
}
if (expected.Contains(ToBooleanStub::BOOLEAN)) {
// Boolean -> its value.
__ CompareRoot(reg, Heap::kTrueValueRootIndex);
- __ b(eq, instr->TrueLabel(chunk_));
+ __ beq(instr->TrueLabel(chunk_));
__ CompareRoot(reg, Heap::kFalseValueRootIndex);
- __ b(eq, instr->FalseLabel(chunk_));
+ __ beq(instr->FalseLabel(chunk_));
}
if (expected.Contains(ToBooleanStub::NULL_TYPE)) {
// 'null' -> false.
__ CompareRoot(reg, Heap::kNullValueRootIndex);
- __ b(eq, instr->FalseLabel(chunk_));
+ __ beq(instr->FalseLabel(chunk_));
}
if (expected.Contains(ToBooleanStub::SMI)) {
// Smis: 0 -> false, all other -> true.
- __ cmp(reg, Operand::Zero());
- __ b(eq, instr->FalseLabel(chunk_));
+ __ cmpi(reg, Operand::Zero());
+ __ beq(instr->FalseLabel(chunk_));
__ JumpIfSmi(reg, instr->TrueLabel(chunk_));
} else if (expected.NeedsMap()) {
// If we need a map later and have a Smi -> deopt.
- __ SmiTst(reg);
- DeoptimizeIf(eq, instr->environment());
+ __ TestIfSmi(reg, r0);
+ DeoptimizeIf(eq, instr->environment(), cr0);
}
const Register map = scratch0();
if (expected.NeedsMap()) {
- __ ldr(map, FieldMemOperand(reg, HeapObject::kMapOffset));
+ __ LoadP(map, FieldMemOperand(reg, HeapObject::kMapOffset));
if (expected.CanBeUndetectable()) {
// Undetectable -> false.
- __ ldrb(ip, FieldMemOperand(map, Map::kBitFieldOffset));
- __ tst(ip, Operand(1 << Map::kIsUndetectable));
- __ b(ne, instr->FalseLabel(chunk_));
+ __ lbz(ip, FieldMemOperand(map, Map::kBitFieldOffset));
+ __ TestBit(ip, Map::kIsUndetectable, r0);
+ __ bne(instr->FalseLabel(chunk_), cr0);
}
}
if (expected.Contains(ToBooleanStub::SPEC_OBJECT)) {
// spec object -> true.
__ CompareInstanceType(map, ip, FIRST_SPEC_OBJECT_TYPE);
- __ b(ge, instr->TrueLabel(chunk_));
+ __ bge(instr->TrueLabel(chunk_));
}
if (expected.Contains(ToBooleanStub::STRING)) {
// String value -> false iff empty.
Label not_string;
__ CompareInstanceType(map, ip, FIRST_NONSTRING_TYPE);
- __ b(ge, &not_string);
- __ ldr(ip, FieldMemOperand(reg, String::kLengthOffset));
- __ cmp(ip, Operand::Zero());
- __ b(ne, instr->TrueLabel(chunk_));
+ __ bge(&not_string);
+ __ LoadP(ip, FieldMemOperand(reg, String::kLengthOffset));
+ __ cmpi(ip, Operand::Zero());
+ __ bne(instr->TrueLabel(chunk_));
__ b(instr->FalseLabel(chunk_));
__ bind(&not_string);
}
@@ -2321,19 +2360,20 @@ void LCodeGen::DoBranch(LBranch* instr) {
if (expected.Contains(ToBooleanStub::SYMBOL)) {
// Symbol value -> true.
__ CompareInstanceType(map, ip, SYMBOL_TYPE);
- __ b(eq, instr->TrueLabel(chunk_));
+ __ beq(instr->TrueLabel(chunk_));
}
if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) {
// heap number -> false iff +0, -0, or NaN.
- DwVfpRegister dbl_scratch = double_scratch0();
Label not_heap_number;
__ CompareRoot(map, Heap::kHeapNumberMapRootIndex);
- __ b(ne, &not_heap_number);
- __ vldr(dbl_scratch, FieldMemOperand(reg, HeapNumber::kValueOffset));
- __ VFPCompareAndSetFlags(dbl_scratch, 0.0);
- __ cmp(r0, r0, vs); // NaN -> false.
- __ b(eq, instr->FalseLabel(chunk_)); // +0, -0 -> false.
+ __ bne(&not_heap_number);
+ __ lfd(dbl_scratch, FieldMemOperand(reg, HeapNumber::kValueOffset));
+ // Test the double value. Zero and NaN are false.
+ __ fcmpu(dbl_scratch, kDoubleRegZero, cr7);
+ __ mfcr(r0);
+ __ andi(r0, r0, Operand(crZOrNaNBits));
+ __ bne(instr->FalseLabel(chunk_), cr0);
__ b(instr->TrueLabel(chunk_));
__ bind(&not_heap_number);
}
@@ -2350,7 +2390,7 @@ void LCodeGen::DoBranch(LBranch* instr) {
void LCodeGen::EmitGoto(int block) {
if (!IsNextEmittedBlock(block)) {
- __ jmp(chunk_->GetAssemblyLabel(LookupDestination(block)));
+ __ b(chunk_->GetAssemblyLabel(LookupDestination(block)));
}
}
@@ -2360,7 +2400,7 @@ void LCodeGen::DoGoto(LGoto* instr) {
}
-Condition LCodeGen::TokenToCondition(Token::Value op, bool is_unsigned) {
+Condition LCodeGen::TokenToCondition(Token::Value op) {
Condition cond = kNoCondition;
switch (op) {
case Token::EQ:
@@ -2372,16 +2412,16 @@ Condition LCodeGen::TokenToCondition(Token::Value op, bool is_unsigned) {
cond = ne;
break;
case Token::LT:
- cond = is_unsigned ? lo : lt;
+ cond = lt;
break;
case Token::GT:
- cond = is_unsigned ? hi : gt;
+ cond = gt;
break;
case Token::LTE:
- cond = is_unsigned ? ls : le;
+ cond = le;
break;
case Token::GTE:
- cond = is_unsigned ? hs : ge;
+ cond = ge;
break;
case Token::IN:
case Token::INSTANCEOF:
@@ -2398,7 +2438,7 @@ void LCodeGen::DoCompareNumericAndBranch(LCompareNumericAndBranch* instr) {
bool is_unsigned =
instr->hydrogen()->left()->CheckFlag(HInstruction::kUint32) ||
instr->hydrogen()->right()->CheckFlag(HInstruction::kUint32);
- Condition cond = TokenToCondition(instr->op(), is_unsigned);
+ Condition cond = TokenToCondition(instr->op());
if (left->IsConstantOperand() && right->IsConstantOperand()) {
// We can statically evaluate the comparison.
@@ -2411,29 +2451,55 @@ void LCodeGen::DoCompareNumericAndBranch(LCompareNumericAndBranch* instr) {
if (instr->is_double()) {
// Compare left and right operands as doubles and load the
// resulting flags into the normal status register.
- __ VFPCompareAndSetFlags(ToDoubleRegister(left), ToDoubleRegister(right));
- // If a NaN is involved, i.e. the result is unordered (V set),
+ __ fcmpu(ToDoubleRegister(left), ToDoubleRegister(right));
+ // If a NaN is involved, i.e. the result is unordered,
// jump to false block label.
- __ b(vs, instr->FalseLabel(chunk_));
+ __ bunordered(instr->FalseLabel(chunk_));
} else {
if (right->IsConstantOperand()) {
int32_t value = ToInteger32(LConstantOperand::cast(right));
if (instr->hydrogen_value()->representation().IsSmi()) {
- __ cmp(ToRegister(left), Operand(Smi::FromInt(value)));
+ if (is_unsigned) {
+ __ CmplSmiLiteral(ToRegister(left), Smi::FromInt(value), r0);
+ } else {
+ __ CmpSmiLiteral(ToRegister(left), Smi::FromInt(value), r0);
+ }
} else {
- __ cmp(ToRegister(left), Operand(value));
+ if (is_unsigned) {
+ __ Cmplwi(ToRegister(left), Operand(value), r0);
+ } else {
+ __ Cmpwi(ToRegister(left), Operand(value), r0);
+ }
}
} else if (left->IsConstantOperand()) {
int32_t value = ToInteger32(LConstantOperand::cast(left));
if (instr->hydrogen_value()->representation().IsSmi()) {
- __ cmp(ToRegister(right), Operand(Smi::FromInt(value)));
+ if (is_unsigned) {
+ __ CmplSmiLiteral(ToRegister(right), Smi::FromInt(value), r0);
+ } else {
+ __ CmpSmiLiteral(ToRegister(right), Smi::FromInt(value), r0);
+ }
} else {
- __ cmp(ToRegister(right), Operand(value));
+ if (is_unsigned) {
+ __ Cmplwi(ToRegister(right), Operand(value), r0);
+ } else {
+ __ Cmpwi(ToRegister(right), Operand(value), r0);
+ }
}
// We commuted the operands, so commute the condition.
cond = CommuteCondition(cond);
+ } else if (instr->hydrogen_value()->representation().IsSmi()) {
+ if (is_unsigned) {
+ __ cmpl(ToRegister(left), ToRegister(right));
+ } else {
+ __ cmp(ToRegister(left), ToRegister(right));
+ }
} else {
- __ cmp(ToRegister(left), ToRegister(right));
+ if (is_unsigned) {
+ __ cmplw(ToRegister(left), ToRegister(right));
+ } else {
+ __ cmpw(ToRegister(left), ToRegister(right));
+ }
}
}
EmitBranch(instr, cond);
@@ -2445,7 +2511,7 @@ void LCodeGen::DoCmpObjectEqAndBranch(LCmpObjectEqAndBranch* instr) {
Register left = ToRegister(instr->left());
Register right = ToRegister(instr->right());
- __ cmp(left, Operand(right));
+ __ cmp(left, right);
EmitBranch(instr, eq);
}
@@ -2459,13 +2525,13 @@ void LCodeGen::DoCmpHoleAndBranch(LCmpHoleAndBranch* instr) {
return;
}
- DwVfpRegister input_reg = ToDoubleRegister(instr->object());
- __ VFPCompareAndSetFlags(input_reg, input_reg);
- EmitFalseBranch(instr, vc);
+ DoubleRegister input_reg = ToDoubleRegister(instr->object());
+ __ fcmpu(input_reg, input_reg);
+ EmitFalseBranch(instr, ordered);
Register scratch = scratch0();
- __ VmovHigh(scratch, input_reg);
- __ cmp(scratch, Operand(kHoleNanUpper32));
+ __ MovDoubleHighToInt(scratch, input_reg);
+ __ Cmpi(scratch, Operand(kHoleNanUpper32), r0);
EmitBranch(instr, eq);
}
@@ -2476,11 +2542,16 @@ void LCodeGen::DoCompareMinusZeroAndBranch(LCompareMinusZeroAndBranch* instr) {
Register scratch = ToRegister(instr->temp());
if (rep.IsDouble()) {
- DwVfpRegister value = ToDoubleRegister(instr->value());
- __ VFPCompareAndSetFlags(value, 0.0);
+ DoubleRegister value = ToDoubleRegister(instr->value());
+ __ fcmpu(value, kDoubleRegZero);
EmitFalseBranch(instr, ne);
- __ VmovHigh(scratch, value);
- __ cmp(scratch, Operand(0x80000000));
+#if V8_TARGET_ARCH_PPC64
+ __ MovDoubleToInt64(scratch, value);
+#else
+ __ MovDoubleHighToInt(scratch, value);
+#endif
+ __ cmpi(scratch, Operand::Zero());
+ EmitBranch(instr, lt);
} else {
Register value = ToRegister(instr->value());
__ CheckMap(value,
@@ -2488,12 +2559,23 @@ void LCodeGen::DoCompareMinusZeroAndBranch(LCompareMinusZeroAndBranch* instr) {
Heap::kHeapNumberMapRootIndex,
instr->FalseLabel(chunk()),
DO_SMI_CHECK);
- __ ldr(scratch, FieldMemOperand(value, HeapNumber::kExponentOffset));
- __ ldr(ip, FieldMemOperand(value, HeapNumber::kMantissaOffset));
- __ cmp(scratch, Operand(0x80000000));
- __ cmp(ip, Operand(0x00000000), eq);
+#if V8_TARGET_ARCH_PPC64
+ __ LoadP(scratch, FieldMemOperand(value, HeapNumber::kValueOffset));
+ __ li(ip, Operand(1));
+ __ rotrdi(ip, ip, 1); // ip = 0x80000000_00000000
+ __ cmp(scratch, ip);
+#else
+ __ lwz(scratch, FieldMemOperand(value, HeapNumber::kExponentOffset));
+ __ lwz(ip, FieldMemOperand(value, HeapNumber::kMantissaOffset));
+ Label skip;
+ __ lis(r0, Operand(SIGN_EXT_IMM16(0x8000)));
+ __ cmp(scratch, r0);
+ __ bne(&skip);
+ __ cmpi(ip, Operand::Zero());
+ __ bind(&skip);
+#endif
+ EmitBranch(instr, eq);
}
- EmitBranch(instr, eq);
}
@@ -2506,20 +2588,20 @@ Condition LCodeGen::EmitIsObject(Register input,
__ LoadRoot(temp2, Heap::kNullValueRootIndex);
__ cmp(input, temp2);
- __ b(eq, is_object);
+ __ beq(is_object);
// Load map.
- __ ldr(temp1, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ LoadP(temp1, FieldMemOperand(input, HeapObject::kMapOffset));
// Undetectable objects behave like undefined.
- __ ldrb(temp2, FieldMemOperand(temp1, Map::kBitFieldOffset));
- __ tst(temp2, Operand(1 << Map::kIsUndetectable));
- __ b(ne, is_not_object);
+ __ lbz(temp2, FieldMemOperand(temp1, Map::kBitFieldOffset));
+ __ TestBit(temp2, Map::kIsUndetectable, r0);
+ __ bne(is_not_object, cr0);
// Load instance type and check that it is in object type range.
- __ ldrb(temp2, FieldMemOperand(temp1, Map::kInstanceTypeOffset));
- __ cmp(temp2, Operand(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE));
- __ b(lt, is_not_object);
- __ cmp(temp2, Operand(LAST_NONCALLABLE_SPEC_OBJECT_TYPE));
+ __ lbz(temp2, FieldMemOperand(temp1, Map::kInstanceTypeOffset));
+ __ cmpi(temp2, Operand(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE));
+ __ blt(is_not_object);
+ __ cmpi(temp2, Operand(LAST_NONCALLABLE_SPEC_OBJECT_TYPE));
return le;
}
@@ -2565,8 +2647,8 @@ void LCodeGen::DoIsStringAndBranch(LIsStringAndBranch* instr) {
void LCodeGen::DoIsSmiAndBranch(LIsSmiAndBranch* instr) {
Register input_reg = EmitLoadRegister(instr->value(), ip);
- __ SmiTst(input_reg);
- EmitBranch(instr, eq);
+ __ TestIfSmi(input_reg, r0);
+ EmitBranch(instr, eq, cr0);
}
@@ -2577,10 +2659,10 @@ void LCodeGen::DoIsUndetectableAndBranch(LIsUndetectableAndBranch* instr) {
if (!instr->hydrogen()->value()->type().IsHeapObject()) {
__ JumpIfSmi(input, instr->FalseLabel(chunk_));
}
- __ ldr(temp, FieldMemOperand(input, HeapObject::kMapOffset));
- __ ldrb(temp, FieldMemOperand(temp, Map::kBitFieldOffset));
- __ tst(temp, Operand(1 << Map::kIsUndetectable));
- EmitBranch(instr, ne);
+ __ LoadP(temp, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ lbz(temp, FieldMemOperand(temp, Map::kBitFieldOffset));
+ __ TestBit(temp, Map::kIsUndetectable, r0);
+ EmitBranch(instr, ne, cr0);
}
@@ -2610,8 +2692,8 @@ void LCodeGen::DoStringCompareAndBranch(LStringCompareAndBranch* instr) {
Handle<Code> ic = CompareIC::GetUninitialized(isolate(), op);
CallCode(ic, RelocInfo::CODE_TARGET, instr);
- // This instruction also signals no smi code inlined.
- __ cmp(r0, Operand::Zero());
+ // This instruction also signals no smi code inlined
+ __ cmpi(r3, Operand::Zero());
Condition condition = ComputeCompareCondition(op);
@@ -2632,8 +2714,8 @@ static Condition BranchCondition(HHasInstanceTypeAndBranch* instr) {
InstanceType from = instr->from();
InstanceType to = instr->to();
if (from == to) return eq;
- if (to == LAST_TYPE) return hs;
- if (from == FIRST_TYPE) return ls;
+ if (to == LAST_TYPE) return ge;
+ if (from == FIRST_TYPE) return le;
UNREACHABLE();
return eq;
}
@@ -2658,7 +2740,7 @@ void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) {
__ AssertString(input);
- __ ldr(result, FieldMemOperand(input, String::kHashFieldOffset));
+ __ lwz(result, FieldMemOperand(input, String::kHashFieldOffset));
__ IndexFromHash(result, result);
}
@@ -2668,10 +2750,11 @@ void LCodeGen::DoHasCachedArrayIndexAndBranch(
Register input = ToRegister(instr->value());
Register scratch = scratch0();
- __ ldr(scratch,
+ __ lwz(scratch,
FieldMemOperand(input, String::kHashFieldOffset));
- __ tst(scratch, Operand(String::kContainsCachedArrayIndexMask));
- EmitBranch(instr, eq);
+ __ mov(r0, Operand(String::kContainsCachedArrayIndexMask));
+ __ and_(r0, scratch, r0, SetRC);
+ EmitBranch(instr, eq, cr0);
}
@@ -2699,45 +2782,45 @@ void LCodeGen::EmitClassOfTest(Label* is_true,
LAST_SPEC_OBJECT_TYPE - 1);
STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
__ CompareObjectType(input, temp, temp2, FIRST_SPEC_OBJECT_TYPE);
- __ b(lt, is_false);
- __ b(eq, is_true);
- __ cmp(temp2, Operand(LAST_SPEC_OBJECT_TYPE));
- __ b(eq, is_true);
+ __ blt(is_false);
+ __ beq(is_true);
+ __ cmpi(temp2, Operand(LAST_SPEC_OBJECT_TYPE));
+ __ beq(is_true);
} else {
// Faster code path to avoid two compares: subtract lower bound from the
// actual type and do a signed compare with the width of the type range.
- __ ldr(temp, FieldMemOperand(input, HeapObject::kMapOffset));
- __ ldrb(temp2, FieldMemOperand(temp, Map::kInstanceTypeOffset));
- __ sub(temp2, temp2, Operand(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE));
- __ cmp(temp2, Operand(LAST_NONCALLABLE_SPEC_OBJECT_TYPE -
+ __ LoadP(temp, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ lbz(temp2, FieldMemOperand(temp, Map::kInstanceTypeOffset));
+ __ subi(temp2, temp2, Operand(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE));
+ __ cmpi(temp2, Operand(LAST_NONCALLABLE_SPEC_OBJECT_TYPE -
FIRST_NONCALLABLE_SPEC_OBJECT_TYPE));
- __ b(gt, is_false);
+ __ bgt(is_false);
}
// Now we are in the FIRST-LAST_NONCALLABLE_SPEC_OBJECT_TYPE range.
// Check if the constructor in the map is a function.
- __ ldr(temp, FieldMemOperand(temp, Map::kConstructorOffset));
+ __ LoadP(temp, FieldMemOperand(temp, Map::kConstructorOffset));
// Objects with a non-function constructor have class 'Object'.
__ CompareObjectType(temp, temp2, temp2, JS_FUNCTION_TYPE);
if (class_name->IsOneByteEqualTo(STATIC_ASCII_VECTOR("Object"))) {
- __ b(ne, is_true);
+ __ bne(is_true);
} else {
- __ b(ne, is_false);
+ __ bne(is_false);
}
// temp now contains the constructor function. Grab the
// instance class name from there.
- __ ldr(temp, FieldMemOperand(temp, JSFunction::kSharedFunctionInfoOffset));
- __ ldr(temp, FieldMemOperand(temp,
- SharedFunctionInfo::kInstanceClassNameOffset));
+ __ LoadP(temp, FieldMemOperand(temp, JSFunction::kSharedFunctionInfoOffset));
+ __ LoadP(temp, FieldMemOperand(temp,
+ SharedFunctionInfo::kInstanceClassNameOffset));
// The class name we are testing against is internalized since it's a literal.
// The name in the constructor is internalized because of the way the context
// is booted. This routine isn't expected to work for random API-created
// classes and it doesn't have to because you can't access it with natives
// syntax. Since both sides are internalized it is sufficient to use an
// identity comparison.
- __ cmp(temp, Operand(class_name));
+ __ Cmpi(temp, Operand(class_name), r0);
// End with the answer in flags.
}
@@ -2759,23 +2842,29 @@ void LCodeGen::DoCmpMapAndBranch(LCmpMapAndBranch* instr) {
Register reg = ToRegister(instr->value());
Register temp = ToRegister(instr->temp());
- __ ldr(temp, FieldMemOperand(reg, HeapObject::kMapOffset));
- __ cmp(temp, Operand(instr->map()));
+ __ LoadP(temp, FieldMemOperand(reg, HeapObject::kMapOffset));
+ __ Cmpi(temp, Operand(instr->map()), r0);
EmitBranch(instr, eq);
}
void LCodeGen::DoInstanceOf(LInstanceOf* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->left()).is(r0)); // Object is in r0.
- DCHECK(ToRegister(instr->right()).is(r1)); // Function is in r1.
+ DCHECK(ToRegister(instr->left()).is(r3)); // Object is in r3.
+ DCHECK(ToRegister(instr->right()).is(r4)); // Function is in r4.
InstanceofStub stub(isolate(), InstanceofStub::kArgsInRegisters);
CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
- __ cmp(r0, Operand::Zero());
- __ mov(r0, Operand(factory()->false_value()), LeaveCC, ne);
- __ mov(r0, Operand(factory()->true_value()), LeaveCC, eq);
+ Label equal, done;
+ __ cmpi(r3, Operand::Zero());
+ __ beq(&equal);
+ __ mov(r3, Operand(factory()->false_value()));
+ __ b(&done);
+
+ __ bind(&equal);
+ __ mov(r3, Operand(factory()->true_value()));
+ __ bind(&done);
}
@@ -2786,17 +2875,13 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
LInstanceOfKnownGlobal* instr)
: LDeferredCode(codegen), instr_(instr) { }
virtual void Generate() V8_OVERRIDE {
- codegen()->DoDeferredInstanceOfKnownGlobal(instr_, &map_check_,
- &load_bool_);
+ codegen()->DoDeferredInstanceOfKnownGlobal(instr_, &map_check_);
}
virtual LInstruction* instr() V8_OVERRIDE { return instr_; }
Label* map_check() { return &map_check_; }
- Label* load_bool() { return &load_bool_; }
-
private:
LInstanceOfKnownGlobal* instr_;
Label map_check_;
- Label load_bool_;
};
DeferredInstanceOfKnownGlobal* deferred;
@@ -2815,21 +2900,20 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
// instanceof stub.
Label cache_miss;
Register map = temp;
- __ ldr(map, FieldMemOperand(object, HeapObject::kMapOffset));
+ __ LoadP(map, FieldMemOperand(object, HeapObject::kMapOffset));
{
// Block constant pool emission to ensure the positions of instructions are
// as expected by the patcher. See InstanceofStub::Generate().
- Assembler::BlockConstPoolScope block_const_pool(masm());
+ Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_);
__ bind(deferred->map_check()); // Label for calculating code patching.
// We use Factory::the_hole_value() on purpose instead of loading from the
// root array to force relocation to be able to later patch with
// the cached map.
Handle<Cell> cell = factory()->NewCell(factory()->the_hole_value());
__ mov(ip, Operand(Handle<Object>(cell)));
- __ ldr(ip, FieldMemOperand(ip, PropertyCell::kValueOffset));
- __ cmp(map, Operand(ip));
- __ b(ne, &cache_miss);
- __ bind(deferred->load_bool()); // Label for calculating code patching.
+ __ LoadP(ip, FieldMemOperand(ip, PropertyCell::kValueOffset));
+ __ cmp(map, ip);
+ __ bne(&cache_miss);
// We use Factory::the_hole_value() on purpose instead of loading from the
// root array to force relocation to be able to later patch
// with true or false.
@@ -2842,12 +2926,12 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
__ bind(&cache_miss);
// Null is not instance of anything.
__ LoadRoot(ip, Heap::kNullValueRootIndex);
- __ cmp(object, Operand(ip));
- __ b(eq, &false_result);
+ __ cmp(object, ip);
+ __ beq(&false_result);
// String values is not instance of anything.
Condition is_string = masm_->IsObjectStringType(object, temp);
- __ b(is_string, &false_result);
+ __ b(is_string, &false_result, cr0);
// Go to the deferred code.
__ b(deferred->entry());
@@ -2863,8 +2947,7 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
void LCodeGen::DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
- Label* map_check,
- Label* bool_load) {
+ Label* map_check) {
InstanceofStub::Flags flags = InstanceofStub::kNoFlags;
flags = static_cast<InstanceofStub::Flags>(
flags | InstanceofStub::kArgsInRegisters);
@@ -2878,45 +2961,24 @@ void LCodeGen::DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
LoadContextFromDeferred(instr->context());
__ Move(InstanceofStub::right(), instr->function());
-
- int call_size = CallCodeSize(stub.GetCode(), RelocInfo::CODE_TARGET);
- int additional_delta = (call_size / Assembler::kInstrSize) + 4;
- // Make sure that code size is predicable, since we use specific constants
- // offsets in the code to find embedded values..
- PredictableCodeSizeScope predictable(
- masm_, (additional_delta + 1) * Assembler::kInstrSize);
- // Make sure we don't emit any additional entries in the constant pool before
- // the call to ensure that the CallCodeSize() calculated the correct number of
- // instructions for the constant pool load.
+ // Include instructions below in delta: mov + call = mov + (mov + 2)
+ static const int kAdditionalDelta = (2 * Assembler::kMovInstructions) + 2;
+ int delta = masm_->InstructionsGeneratedSince(map_check) + kAdditionalDelta;
{
- ConstantPoolUnavailableScope constant_pool_unavailable(masm_);
- int map_check_delta =
- masm_->InstructionsGeneratedSince(map_check) + additional_delta;
- int bool_load_delta =
- masm_->InstructionsGeneratedSince(bool_load) + additional_delta;
- Label before_push_delta;
- __ bind(&before_push_delta);
- __ BlockConstPoolFor(additional_delta);
- // r5 is used to communicate the offset to the location of the map check.
- __ mov(r5, Operand(map_check_delta * kPointerSize));
- // r6 is used to communicate the offset to the location of the bool load.
- __ mov(r6, Operand(bool_load_delta * kPointerSize));
- // The mov above can generate one or two instructions. The delta was
- // computed for two instructions, so we need to pad here in case of one
- // instruction.
- while (masm_->InstructionsGeneratedSince(&before_push_delta) != 4) {
- __ nop();
- }
+ Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_);
+ // r8 is used to communicate the offset to the location of the map check.
+ __ mov(r8, Operand(delta * Instruction::kInstrSize));
}
CallCodeGeneric(stub.GetCode(),
RelocInfo::CODE_TARGET,
instr,
RECORD_SAFEPOINT_WITH_REGISTERS_AND_NO_ARGUMENTS);
+ DCHECK(delta == masm_->InstructionsGeneratedSince(map_check));
LEnvironment* env = instr->GetDeferredLazyDeoptimizationEnvironment();
safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index());
- // Put the result value (r0) into the result register slot and
+ // Put the result value (r3) into the result register slot and
// restore all registers.
- __ StoreToSafepointRegisterSlot(r0, ToRegister(instr->result()));
+ __ StoreToSafepointRegisterSlot(r3, ToRegister(instr->result()));
}
@@ -2926,27 +2988,32 @@ void LCodeGen::DoCmpT(LCmpT* instr) {
Handle<Code> ic = CompareIC::GetUninitialized(isolate(), op);
CallCode(ic, RelocInfo::CODE_TARGET, instr);
- // This instruction also signals no smi code inlined.
- __ cmp(r0, Operand::Zero());
+ // This instruction also signals no smi code inlined
+ __ cmpi(r3, Operand::Zero());
Condition condition = ComputeCompareCondition(op);
- __ LoadRoot(ToRegister(instr->result()),
- Heap::kTrueValueRootIndex,
- condition);
- __ LoadRoot(ToRegister(instr->result()),
- Heap::kFalseValueRootIndex,
- NegateCondition(condition));
+ Label true_value, done;
+
+ __ b(condition, &true_value);
+
+ __ LoadRoot(ToRegister(instr->result()), Heap::kFalseValueRootIndex);
+ __ b(&done);
+
+ __ bind(&true_value);
+ __ LoadRoot(ToRegister(instr->result()), Heap::kTrueValueRootIndex);
+
+ __ bind(&done);
}
void LCodeGen::DoReturn(LReturn* instr) {
if (FLAG_trace && info()->IsOptimizing()) {
// Push the return value on the stack as the parameter.
- // Runtime::TraceExit returns its parameter in r0. We're leaving the code
+ // Runtime::TraceExit returns its parameter in r3. We're leaving the code
// managed by the register allocator and tearing down the frame, it's
// safe to write to the context register.
- __ push(r0);
- __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ __ push(r3);
+ __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
__ CallRuntime(Runtime::kTraceExit, 1);
}
if (info()->saves_caller_doubles()) {
@@ -2960,16 +3027,16 @@ void LCodeGen::DoReturn(LReturn* instr) {
int parameter_count = ToInteger32(instr->constant_parameter_count());
int32_t sp_delta = (parameter_count + 1) * kPointerSize;
if (sp_delta != 0) {
- __ add(sp, sp, Operand(sp_delta));
+ __ addi(sp, sp, Operand(sp_delta));
}
} else {
Register reg = ToRegister(instr->parameter_count());
// The argument count parameter is a smi
- __ SmiUntag(reg);
- __ add(sp, sp, Operand(reg, LSL, kPointerSizeLog2));
+ __ SmiToPtrArrayOffset(r0, reg);
+ __ add(sp, sp, r0);
}
- __ Jump(lr);
+ __ blr();
if (no_frame_start != -1) {
info_->AddNoFrameRange(no_frame_start, masm_->pc_offset());
@@ -2980,7 +3047,7 @@ void LCodeGen::DoReturn(LReturn* instr) {
void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
Register result = ToRegister(instr->result());
__ mov(ip, Operand(Handle<Object>(instr->hydrogen()->cell().handle())));
- __ ldr(result, FieldMemOperand(ip, Cell::kValueOffset));
+ __ LoadP(result, FieldMemOperand(ip, Cell::kValueOffset));
if (instr->hydrogen()->RequiresHoleCheck()) {
__ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
__ cmp(result, ip);
@@ -2992,7 +3059,7 @@ void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
DCHECK(ToRegister(instr->global_object()).is(LoadIC::ReceiverRegister()));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->result()).is(r3));
__ mov(LoadIC::NameRegister(), Operand(instr->name()));
if (FLAG_vector_ics) {
@@ -3024,13 +3091,13 @@ void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
if (instr->hydrogen()->RequiresHoleCheck()) {
// We use a temp to check the payload (CompareRoot might clobber ip).
Register payload = ToRegister(instr->temp());
- __ ldr(payload, FieldMemOperand(cell, Cell::kValueOffset));
+ __ LoadP(payload, FieldMemOperand(cell, Cell::kValueOffset));
__ CompareRoot(payload, Heap::kTheHoleValueRootIndex);
DeoptimizeIf(eq, instr->environment());
}
// Store the value.
- __ str(value, FieldMemOperand(cell, Cell::kValueOffset));
+ __ StoreP(value, FieldMemOperand(cell, Cell::kValueOffset), r0);
// Cells are always rescanned, so no write barrier here.
}
@@ -3038,14 +3105,17 @@ void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
Register context = ToRegister(instr->context());
Register result = ToRegister(instr->result());
- __ ldr(result, ContextOperand(context, instr->slot_index()));
+ __ LoadP(result, ContextOperand(context, instr->slot_index()));
if (instr->hydrogen()->RequiresHoleCheck()) {
__ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
__ cmp(result, ip);
if (instr->hydrogen()->DeoptimizesOnHole()) {
DeoptimizeIf(eq, instr->environment());
} else {
- __ mov(result, Operand(factory()->undefined_value()), LeaveCC, eq);
+ Label skip;
+ __ bne(&skip);
+ __ mov(result, Operand(factory()->undefined_value()));
+ __ bind(&skip);
}
}
}
@@ -3060,17 +3130,17 @@ void LCodeGen::DoStoreContextSlot(LStoreContextSlot* instr) {
Label skip_assignment;
if (instr->hydrogen()->RequiresHoleCheck()) {
- __ ldr(scratch, target);
+ __ LoadP(scratch, target);
__ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
__ cmp(scratch, ip);
if (instr->hydrogen()->DeoptimizesOnHole()) {
DeoptimizeIf(eq, instr->environment());
} else {
- __ b(ne, &skip_assignment);
+ __ bne(&skip_assignment);
}
}
- __ str(value, target);
+ __ StoreP(value, target, r0);
if (instr->hydrogen()->NeedsWriteBarrier()) {
SmiCheck check_needed =
instr->hydrogen()->value()->type().IsHeapObject()
@@ -3097,32 +3167,48 @@ void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
if (access.IsExternalMemory()) {
Register result = ToRegister(instr->result());
MemOperand operand = MemOperand(object, offset);
- __ Load(result, operand, access.representation());
+ __ LoadRepresentation(result, operand, access.representation(), r0);
return;
}
if (instr->hydrogen()->representation().IsDouble()) {
- DwVfpRegister result = ToDoubleRegister(instr->result());
- __ vldr(result, FieldMemOperand(object, offset));
+ DoubleRegister result = ToDoubleRegister(instr->result());
+ __ lfd(result, FieldMemOperand(object, offset));
return;
}
Register result = ToRegister(instr->result());
if (!access.IsInobject()) {
- __ ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset));
+ __ LoadP(result, FieldMemOperand(object, JSObject::kPropertiesOffset));
object = result;
}
- MemOperand operand = FieldMemOperand(object, offset);
- __ Load(result, operand, access.representation());
+
+ Representation representation = access.representation();
+
+#if V8_TARGET_ARCH_PPC64
+ // 64-bit Smi optimization
+ if (representation.IsSmi() &&
+ instr->hydrogen()->representation().IsInteger32()) {
+ // Read int value directly from upper half of the smi.
+ STATIC_ASSERT(kSmiTag == 0);
+ STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 32);
+#if V8_TARGET_LITTLE_ENDIAN
+ offset += kPointerSize / 2;
+#endif
+ representation = Representation::Integer32();
+ }
+#endif
+
+ __ LoadRepresentation(result, FieldMemOperand(object, offset),
+ representation, r0);
}
void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
DCHECK(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->result()).is(r3));
- // Name is always in r2.
__ mov(LoadIC::NameRegister(), Operand(instr->name()));
if (FLAG_vector_ics) {
Register vector = ToRegister(instr->temp_vector());
@@ -3134,7 +3220,7 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
Operand(Smi::FromInt(instr->hydrogen()->slot())));
}
Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL);
- CallCode(ic, RelocInfo::CODE_TARGET, instr, NEVER_INLINE_TARGET_ADDRESS);
+ CallCode(ic, RelocInfo::CODE_TARGET, instr);
}
@@ -3144,8 +3230,8 @@ void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
Register result = ToRegister(instr->result());
// Get the prototype or initial map from the function.
- __ ldr(result,
- FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
+ __ LoadP(result,
+ FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
// Check that the function has a prototype or an initial map.
__ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
@@ -3155,10 +3241,10 @@ void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
// If the function does not have an initial map, we're done.
Label done;
__ CompareObjectType(result, scratch, scratch, MAP_TYPE);
- __ b(ne, &done);
+ __ bne(&done);
// Get the prototype from the initial map.
- __ ldr(result, FieldMemOperand(result, Map::kPrototypeOffset));
+ __ LoadP(result, FieldMemOperand(result, Map::kPrototypeOffset));
// All done.
__ bind(&done);
@@ -3181,28 +3267,32 @@ void LCodeGen::DoAccessArgumentsAt(LAccessArgumentsAt* instr) {
if (instr->index()->IsConstantOperand()) {
int const_index = ToInteger32(LConstantOperand::cast(instr->index()));
int index = (const_length - const_index) + 1;
- __ ldr(result, MemOperand(arguments, index * kPointerSize));
+ __ LoadP(result, MemOperand(arguments, index * kPointerSize), r0);
} else {
Register index = ToRegister(instr->index());
- __ rsb(result, index, Operand(const_length + 1));
- __ ldr(result, MemOperand(arguments, result, LSL, kPointerSizeLog2));
+ __ subfic(result, index, Operand(const_length + 1));
+ __ ShiftLeftImm(result, result, Operand(kPointerSizeLog2));
+ __ LoadPX(result, MemOperand(arguments, result));
}
} else if (instr->index()->IsConstantOperand()) {
- Register length = ToRegister(instr->length());
- int const_index = ToInteger32(LConstantOperand::cast(instr->index()));
- int loc = const_index - 1;
- if (loc != 0) {
- __ sub(result, length, Operand(loc));
- __ ldr(result, MemOperand(arguments, result, LSL, kPointerSizeLog2));
- } else {
- __ ldr(result, MemOperand(arguments, length, LSL, kPointerSizeLog2));
- }
+ Register length = ToRegister(instr->length());
+ int const_index = ToInteger32(LConstantOperand::cast(instr->index()));
+ int loc = const_index - 1;
+ if (loc != 0) {
+ __ subi(result, length, Operand(loc));
+ __ ShiftLeftImm(result, result, Operand(kPointerSizeLog2));
+ __ LoadPX(result, MemOperand(arguments, result));
} else {
+ __ ShiftLeftImm(result, length, Operand(kPointerSizeLog2));
+ __ LoadPX(result, MemOperand(arguments, result));
+ }
+ } else {
Register length = ToRegister(instr->length());
Register index = ToRegister(instr->index());
__ sub(result, length, index);
- __ add(result, result, Operand(1));
- __ ldr(result, MemOperand(arguments, result, LSL, kPointerSizeLog2));
+ __ addi(result, result, Operand(1));
+ __ ShiftLeftImm(result, result, Operand(kPointerSizeLog2));
+ __ LoadPX(result, MemOperand(arguments, result));
}
}
@@ -3222,61 +3312,92 @@ void LCodeGen::DoLoadKeyedExternalArray(LLoadKeyed* instr) {
key = ToRegister(instr->key());
}
int element_size_shift = ElementsKindToShiftSize(elements_kind);
- int shift_size = (instr->hydrogen()->key()->representation().IsSmi())
- ? (element_size_shift - kSmiTagSize) : element_size_shift;
+ bool key_is_smi = instr->hydrogen()->key()->representation().IsSmi();
int base_offset = instr->base_offset();
if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
elements_kind == FLOAT32_ELEMENTS ||
elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
elements_kind == FLOAT64_ELEMENTS) {
- int base_offset = instr->base_offset();
- DwVfpRegister result = ToDoubleRegister(instr->result());
- Operand operand = key_is_constant
- ? Operand(constant_key << element_size_shift)
- : Operand(key, LSL, shift_size);
- __ add(scratch0(), external_pointer, operand);
+ DoubleRegister result = ToDoubleRegister(instr->result());
+ if (key_is_constant) {
+ __ Add(scratch0(), external_pointer,
+ constant_key << element_size_shift,
+ r0);
+ } else {
+ __ IndexToArrayOffset(r0, key, element_size_shift, key_is_smi);
+ __ add(scratch0(), external_pointer, r0);
+ }
if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
elements_kind == FLOAT32_ELEMENTS) {
- __ vldr(double_scratch0().low(), scratch0(), base_offset);
- __ vcvt_f64_f32(result, double_scratch0().low());
+ __ lfs(result, MemOperand(scratch0(), base_offset));
} else { // i.e. elements_kind == EXTERNAL_DOUBLE_ELEMENTS
- __ vldr(result, scratch0(), base_offset);
+ __ lfd(result, MemOperand(scratch0(), base_offset));
}
} else {
Register result = ToRegister(instr->result());
MemOperand mem_operand = PrepareKeyedOperand(
- key, external_pointer, key_is_constant, constant_key,
- element_size_shift, shift_size, base_offset);
+ key, external_pointer, key_is_constant, key_is_smi, constant_key,
+ element_size_shift, base_offset);
switch (elements_kind) {
case EXTERNAL_INT8_ELEMENTS:
case INT8_ELEMENTS:
- __ ldrsb(result, mem_operand);
+ if (key_is_constant) {
+ __ LoadByte(result, mem_operand, r0);
+ } else {
+ __ lbzx(result, mem_operand);
+ }
+ __ extsb(result, result);
break;
case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
case EXTERNAL_UINT8_ELEMENTS:
case UINT8_ELEMENTS:
case UINT8_CLAMPED_ELEMENTS:
- __ ldrb(result, mem_operand);
+ if (key_is_constant) {
+ __ LoadByte(result, mem_operand, r0);
+ } else {
+ __ lbzx(result, mem_operand);
+ }
break;
case EXTERNAL_INT16_ELEMENTS:
case INT16_ELEMENTS:
- __ ldrsh(result, mem_operand);
+ if (key_is_constant) {
+ __ LoadHalfWord(result, mem_operand, r0);
+ } else {
+ __ lhzx(result, mem_operand);
+ }
+ __ extsh(result, result);
break;
case EXTERNAL_UINT16_ELEMENTS:
case UINT16_ELEMENTS:
- __ ldrh(result, mem_operand);
+ if (key_is_constant) {
+ __ LoadHalfWord(result, mem_operand, r0);
+ } else {
+ __ lhzx(result, mem_operand);
+ }
break;
case EXTERNAL_INT32_ELEMENTS:
case INT32_ELEMENTS:
- __ ldr(result, mem_operand);
+ if (key_is_constant) {
+ __ LoadWord(result, mem_operand, r0);
+ } else {
+ __ lwzx(result, mem_operand);
+ }
+#if V8_TARGET_ARCH_PPC64
+ __ extsw(result, result);
+#endif
break;
case EXTERNAL_UINT32_ELEMENTS:
case UINT32_ELEMENTS:
- __ ldr(result, mem_operand);
+ if (key_is_constant) {
+ __ LoadWord(result, mem_operand, r0);
+ } else {
+ __ lwzx(result, mem_operand);
+ }
if (!instr->hydrogen()->CheckFlag(HInstruction::kUint32)) {
- __ cmp(result, Operand(0x80000000));
- DeoptimizeIf(cs, instr->environment());
+ __ lis(r0, Operand(SIGN_EXT_IMM16(0x8000)));
+ __ cmplw(result, r0);
+ DeoptimizeIf(ge, instr->environment());
}
break;
case FLOAT32_ELEMENTS:
@@ -3302,39 +3423,50 @@ void LCodeGen::DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr) {
Register elements = ToRegister(instr->elements());
bool key_is_constant = instr->key()->IsConstantOperand();
Register key = no_reg;
- DwVfpRegister result = ToDoubleRegister(instr->result());
+ DoubleRegister result = ToDoubleRegister(instr->result());
Register scratch = scratch0();
int element_size_shift = ElementsKindToShiftSize(FAST_DOUBLE_ELEMENTS);
-
- int base_offset = instr->base_offset();
+ bool key_is_smi = instr->hydrogen()->key()->representation().IsSmi();
+ int constant_key = 0;
if (key_is_constant) {
- int constant_key = ToInteger32(LConstantOperand::cast(instr->key()));
+ constant_key = ToInteger32(LConstantOperand::cast(instr->key()));
if (constant_key & 0xF0000000) {
Abort(kArrayIndexConstantValueTooBig);
}
- base_offset += constant_key * kDoubleSize;
+ } else {
+ key = ToRegister(instr->key());
}
- __ add(scratch, elements, Operand(base_offset));
+ int base_offset = instr->base_offset() + constant_key * kDoubleSize;
if (!key_is_constant) {
- key = ToRegister(instr->key());
- int shift_size = (instr->hydrogen()->key()->representation().IsSmi())
- ? (element_size_shift - kSmiTagSize) : element_size_shift;
- __ add(scratch, scratch, Operand(key, LSL, shift_size));
+ __ IndexToArrayOffset(r0, key, element_size_shift, key_is_smi);
+ __ add(scratch, elements, r0);
+ elements = scratch;
}
-
- __ vldr(result, scratch, 0);
+ if (!is_int16(base_offset)) {
+ __ Add(scratch, elements, base_offset, r0);
+ base_offset = 0;
+ elements = scratch;
+ }
+ __ lfd(result, MemOperand(elements, base_offset));
if (instr->hydrogen()->RequiresHoleCheck()) {
- __ ldr(scratch, MemOperand(scratch, sizeof(kHoleNanLower32)));
- __ cmp(scratch, Operand(kHoleNanUpper32));
+ if (is_int16(base_offset + Register::kExponentOffset)) {
+ __ lwz(scratch, MemOperand(elements,
+ base_offset + Register::kExponentOffset));
+ } else {
+ __ addi(scratch, elements, Operand(base_offset));
+ __ lwz(scratch, MemOperand(scratch, Register::kExponentOffset));
+ }
+ __ Cmpi(scratch, Operand(kHoleNanUpper32), r0);
DeoptimizeIf(eq, instr->environment());
}
}
void LCodeGen::DoLoadKeyedFixedArray(LLoadKeyed* instr) {
+ HLoadKeyed* hinstr = instr->hydrogen();
Register elements = ToRegister(instr->elements());
Register result = ToRegister(instr->result());
Register scratch = scratch0();
@@ -3351,19 +3483,39 @@ void LCodeGen::DoLoadKeyedFixedArray(LLoadKeyed* instr) {
// representation for the key to be an integer, the input gets replaced
// during bound check elimination with the index argument to the bounds
// check, which can be tagged, so that case must be handled here, too.
- if (instr->hydrogen()->key()->representation().IsSmi()) {
- __ add(scratch, elements, Operand::PointerOffsetFromSmiKey(key));
+ if (hinstr->key()->representation().IsSmi()) {
+ __ SmiToPtrArrayOffset(r0, key);
} else {
- __ add(scratch, elements, Operand(key, LSL, kPointerSizeLog2));
+ __ ShiftLeftImm(r0, key, Operand(kPointerSizeLog2));
}
+ __ add(scratch, elements, r0);
+ }
+
+ bool requires_hole_check = hinstr->RequiresHoleCheck();
+ Representation representation = hinstr->representation();
+
+#if V8_TARGET_ARCH_PPC64
+ // 64-bit Smi optimization
+ if (representation.IsInteger32() &&
+ hinstr->elements_kind() == FAST_SMI_ELEMENTS) {
+ DCHECK(!requires_hole_check);
+ // Read int value directly from upper half of the smi.
+ STATIC_ASSERT(kSmiTag == 0);
+ STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 32);
+#if V8_TARGET_LITTLE_ENDIAN
+ offset += kPointerSize / 2;
+#endif
}
- __ ldr(result, MemOperand(store_base, offset));
+#endif
+
+ __ LoadRepresentation(result, MemOperand(store_base, offset),
+ representation, r0);
// Check for the hole value.
- if (instr->hydrogen()->RequiresHoleCheck()) {
- if (IsFastSmiElementsKind(instr->hydrogen()->elements_kind())) {
- __ SmiTst(result);
- DeoptimizeIf(ne, instr->environment());
+ if (requires_hole_check) {
+ if (IsFastSmiElementsKind(hinstr->elements_kind())) {
+ __ TestIfSmi(result, r0);
+ DeoptimizeIf(ne, instr->environment(), cr0);
} else {
__ LoadRoot(scratch, Heap::kTheHoleValueRootIndex);
__ cmp(result, scratch);
@@ -3387,31 +3539,33 @@ void LCodeGen::DoLoadKeyed(LLoadKeyed* instr) {
MemOperand LCodeGen::PrepareKeyedOperand(Register key,
Register base,
bool key_is_constant,
+ bool key_is_smi,
int constant_key,
- int element_size,
- int shift_size,
+ int element_size_shift,
int base_offset) {
+ Register scratch = scratch0();
+
if (key_is_constant) {
- return MemOperand(base, (constant_key << element_size) + base_offset);
+ return MemOperand(base, (constant_key << element_size_shift) + base_offset);
}
- if (base_offset == 0) {
- if (shift_size >= 0) {
- return MemOperand(base, key, LSL, shift_size);
- } else {
- DCHECK_EQ(-1, shift_size);
- return MemOperand(base, key, LSR, 1);
- }
+ bool needs_shift = (element_size_shift != (key_is_smi ?
+ kSmiTagSize + kSmiShiftSize : 0));
+
+ if (!(base_offset || needs_shift)) {
+ return MemOperand(base, key);
}
- if (shift_size >= 0) {
- __ add(scratch0(), base, Operand(key, LSL, shift_size));
- return MemOperand(scratch0(), base_offset);
- } else {
- DCHECK_EQ(-1, shift_size);
- __ add(scratch0(), base, Operand(key, ASR, 1));
- return MemOperand(scratch0(), base_offset);
+ if (needs_shift) {
+ __ IndexToArrayOffset(scratch, key, element_size_shift, key_is_smi);
+ key = scratch;
+ }
+
+ if (base_offset) {
+ __ Add(scratch, key, base_offset, r0);
}
+
+ return MemOperand(base, scratch);
}
@@ -3431,7 +3585,7 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
}
Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
- CallCode(ic, RelocInfo::CODE_TARGET, instr, NEVER_INLINE_TARGET_ADDRESS);
+ CallCode(ic, RelocInfo::CODE_TARGET, instr);
}
@@ -3440,18 +3594,24 @@ void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
Register result = ToRegister(instr->result());
if (instr->hydrogen()->from_inlined()) {
- __ sub(result, sp, Operand(2 * kPointerSize));
+ __ subi(result, sp, Operand(2 * kPointerSize));
} else {
// Check if the calling frame is an arguments adaptor frame.
Label done, adapted;
- __ ldr(scratch, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
- __ ldr(result, MemOperand(scratch, StandardFrameConstants::kContextOffset));
- __ cmp(result, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
+ __ LoadP(scratch, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ LoadP(result,
+ MemOperand(scratch, StandardFrameConstants::kContextOffset));
+ __ CmpSmiLiteral(result, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
// Result is the frame pointer for the frame if not adapted and for the real
// frame below the adaptor frame if adapted.
- __ mov(result, fp, LeaveCC, ne);
- __ mov(result, scratch, LeaveCC, eq);
+ __ beq(&adapted);
+ __ mr(result, fp);
+ __ b(&done);
+
+ __ bind(&adapted);
+ __ mr(result, scratch);
+ __ bind(&done);
}
}
@@ -3465,12 +3625,12 @@ void LCodeGen::DoArgumentsLength(LArgumentsLength* instr) {
// If no arguments adaptor frame the number of arguments is fixed.
__ cmp(fp, elem);
__ mov(result, Operand(scope()->num_parameters()));
- __ b(eq, &done);
+ __ beq(&done);
// Arguments adaptor frame present. Get argument length from there.
- __ ldr(result, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
- __ ldr(result,
- MemOperand(result, ArgumentsAdaptorFrameConstants::kLengthOffset));
+ __ LoadP(result, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ LoadP(result,
+ MemOperand(result, ArgumentsAdaptorFrameConstants::kLengthOffset));
__ SmiUntag(result);
// Argument length is in result register.
@@ -3492,47 +3652,57 @@ void LCodeGen::DoWrapReceiver(LWrapReceiver* instr) {
if (!instr->hydrogen()->known_function()) {
// Do not transform the receiver to object for strict mode
// functions.
- __ ldr(scratch,
- FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
- __ ldr(scratch,
+ __ LoadP(scratch,
+ FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
+ __ lwz(scratch,
FieldMemOperand(scratch, SharedFunctionInfo::kCompilerHintsOffset));
- int mask = 1 << (SharedFunctionInfo::kStrictModeFunction + kSmiTagSize);
- __ tst(scratch, Operand(mask));
- __ b(ne, &result_in_receiver);
+ __ TestBit(scratch,
+#if V8_TARGET_ARCH_PPC64
+ SharedFunctionInfo::kStrictModeFunction,
+#else
+ SharedFunctionInfo::kStrictModeFunction + kSmiTagSize,
+#endif
+ r0);
+ __ bne(&result_in_receiver, cr0);
// Do not transform the receiver to object for builtins.
- __ tst(scratch, Operand(1 << (SharedFunctionInfo::kNative + kSmiTagSize)));
- __ b(ne, &result_in_receiver);
+ __ TestBit(scratch,
+#if V8_TARGET_ARCH_PPC64
+ SharedFunctionInfo::kNative,
+#else
+ SharedFunctionInfo::kNative + kSmiTagSize,
+#endif
+ r0);
+ __ bne(&result_in_receiver, cr0);
}
// Normal function. Replace undefined or null with global receiver.
__ LoadRoot(scratch, Heap::kNullValueRootIndex);
__ cmp(receiver, scratch);
- __ b(eq, &global_object);
+ __ beq(&global_object);
__ LoadRoot(scratch, Heap::kUndefinedValueRootIndex);
__ cmp(receiver, scratch);
- __ b(eq, &global_object);
+ __ beq(&global_object);
// Deoptimize if the receiver is not a JS object.
- __ SmiTst(receiver);
- DeoptimizeIf(eq, instr->environment());
+ __ TestIfSmi(receiver, r0);
+ DeoptimizeIf(eq, instr->environment(), cr0);
__ CompareObjectType(receiver, scratch, scratch, FIRST_SPEC_OBJECT_TYPE);
DeoptimizeIf(lt, instr->environment());
__ b(&result_in_receiver);
__ bind(&global_object);
- __ ldr(result, FieldMemOperand(function, JSFunction::kContextOffset));
- __ ldr(result,
- ContextOperand(result, Context::GLOBAL_OBJECT_INDEX));
- __ ldr(result, FieldMemOperand(result, GlobalObject::kGlobalProxyOffset));
-
+ __ LoadP(result, FieldMemOperand(function, JSFunction::kContextOffset));
+ __ LoadP(result,
+ ContextOperand(result, Context::GLOBAL_OBJECT_INDEX));
+ __ LoadP(result, FieldMemOperand(result, GlobalObject::kGlobalProxyOffset));
if (result.is(receiver)) {
__ bind(&result_in_receiver);
} else {
Label result_ok;
__ b(&result_ok);
__ bind(&result_in_receiver);
- __ mov(result, receiver);
+ __ mr(result, receiver);
__ bind(&result_ok);
}
}
@@ -3544,41 +3714,43 @@ void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
Register length = ToRegister(instr->length());
Register elements = ToRegister(instr->elements());
Register scratch = scratch0();
- DCHECK(receiver.is(r0)); // Used for parameter count.
- DCHECK(function.is(r1)); // Required by InvokeFunction.
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(receiver.is(r3)); // Used for parameter count.
+ DCHECK(function.is(r4)); // Required by InvokeFunction.
+ DCHECK(ToRegister(instr->result()).is(r3));
// Copy the arguments to this function possibly from the
// adaptor frame below it.
const uint32_t kArgumentsLimit = 1 * KB;
- __ cmp(length, Operand(kArgumentsLimit));
- DeoptimizeIf(hi, instr->environment());
+ __ cmpli(length, Operand(kArgumentsLimit));
+ DeoptimizeIf(gt, instr->environment());
// Push the receiver and use the register to keep the original
// number of arguments.
__ push(receiver);
- __ mov(receiver, length);
+ __ mr(receiver, length);
// The arguments are at a one pointer size offset from elements.
- __ add(elements, elements, Operand(1 * kPointerSize));
+ __ addi(elements, elements, Operand(1 * kPointerSize));
// Loop through the arguments pushing them onto the execution
// stack.
Label invoke, loop;
// length is a small non-negative integer, due to the test above.
- __ cmp(length, Operand::Zero());
- __ b(eq, &invoke);
+ __ cmpi(length, Operand::Zero());
+ __ beq(&invoke);
+ __ mtctr(length);
__ bind(&loop);
- __ ldr(scratch, MemOperand(elements, length, LSL, 2));
+ __ ShiftLeftImm(r0, length, Operand(kPointerSizeLog2));
+ __ LoadPX(scratch, MemOperand(elements, r0));
__ push(scratch);
- __ sub(length, length, Operand(1), SetCC);
- __ b(ne, &loop);
+ __ addi(length, length, Operand(-1));
+ __ bdnz(&loop);
__ bind(&invoke);
DCHECK(instr->HasPointerMap());
LPointerMap* pointers = instr->pointer_map();
SafepointGenerator safepoint_generator(
this, pointers, Safepoint::kLazyDeopt);
- // The number of arguments is stored in receiver which is r0, as expected
+ // The number of arguments is stored in receiver which is r3, as expected
// by InvokeFunction.
ParameterCount actual(receiver);
__ InvokeFunction(function, actual, CALL_FUNCTION, safepoint_generator);
@@ -3603,7 +3775,7 @@ void LCodeGen::DoDrop(LDrop* instr) {
void LCodeGen::DoThisFunction(LThisFunction* instr) {
Register result = ToRegister(instr->result());
- __ ldr(result, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+ __ LoadP(result, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
}
@@ -3611,7 +3783,7 @@ void LCodeGen::DoContext(LContext* instr) {
// If there is a non-return use, the context must be moved to a register.
Register result = ToRegister(instr->result());
if (info()->IsOptimizing()) {
- __ ldr(result, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ __ LoadP(result, MemOperand(fp, StandardFrameConstants::kContextOffset));
} else {
// If there is no frame, the context must be in cp.
DCHECK(result.is(cp));
@@ -3624,7 +3796,7 @@ void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) {
__ push(cp); // The context is the first argument.
__ Move(scratch0(), instr->hydrogen()->pairs());
__ push(scratch0());
- __ mov(scratch0(), Operand(Smi::FromInt(instr->hydrogen()->flags())));
+ __ LoadSmiLiteral(scratch0(), Smi::FromInt(instr->hydrogen()->flags()));
__ push(scratch0());
CallRuntime(Runtime::kDeclareGlobals, 3, instr);
}
@@ -3634,7 +3806,7 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
int formal_parameter_count,
int arity,
LInstruction* instr,
- R1State r1_state) {
+ R4State r4_state) {
bool dont_adapt_arguments =
formal_parameter_count == SharedFunctionInfo::kDontAdaptArgumentsSentinel;
bool can_invoke_directly =
@@ -3643,22 +3815,26 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
LPointerMap* pointers = instr->pointer_map();
if (can_invoke_directly) {
- if (r1_state == R1_UNINITIALIZED) {
- __ Move(r1, function);
+ if (r4_state == R4_UNINITIALIZED) {
+ __ Move(r4, function);
}
// Change context.
- __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
+ __ LoadP(cp, FieldMemOperand(r4, JSFunction::kContextOffset));
- // Set r0 to arguments count if adaption is not needed. Assumes that r0
+ // Set r3 to arguments count if adaption is not needed. Assumes that r3
// is available to write to at this point.
if (dont_adapt_arguments) {
- __ mov(r0, Operand(arity));
+ __ mov(r3, Operand(arity));
}
// Invoke function.
- __ ldr(ip, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
- __ Call(ip);
+ if (function.is_identical_to(info()->closure())) {
+ __ CallSelf();
+ } else {
+ __ LoadP(ip, FieldMemOperand(r4, JSFunction::kCodeEntryOffset));
+ __ Call(ip);
+ }
// Set up deoptimization.
RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT);
@@ -3679,21 +3855,21 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) {
Register scratch = scratch0();
// Deoptimize if not a heap number.
- __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ LoadP(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
__ LoadRoot(ip, Heap::kHeapNumberMapRootIndex);
- __ cmp(scratch, Operand(ip));
+ __ cmp(scratch, ip);
DeoptimizeIf(ne, instr->environment());
Label done;
Register exponent = scratch0();
scratch = no_reg;
- __ ldr(exponent, FieldMemOperand(input, HeapNumber::kExponentOffset));
+ __ lwz(exponent, FieldMemOperand(input, HeapNumber::kExponentOffset));
// Check the sign of the argument. If the argument is positive, just
// return it.
- __ tst(exponent, Operand(HeapNumber::kSignMask));
+ __ cmpwi(exponent, Operand::Zero());
// Move the input to the result if necessary.
__ Move(result, input);
- __ b(eq, &done);
+ __ bge(&done);
// Input is negative. Reverse its sign.
// Preserve the value of all registers.
@@ -3702,10 +3878,10 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) {
// Registers were saved at the safepoint, so we can use
// many scratch registers.
- Register tmp1 = input.is(r1) ? r0 : r1;
- Register tmp2 = input.is(r2) ? r0 : r2;
- Register tmp3 = input.is(r3) ? r0 : r3;
- Register tmp4 = input.is(r4) ? r0 : r4;
+ Register tmp1 = input.is(r4) ? r3 : r4;
+ Register tmp2 = input.is(r5) ? r3 : r5;
+ Register tmp3 = input.is(r6) ? r3 : r6;
+ Register tmp4 = input.is(r7) ? r3 : r7;
// exponent: floating point exponent value.
@@ -3720,18 +3896,19 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) {
CallRuntimeFromDeferred(Runtime::kAllocateHeapNumber, 0, instr,
instr->context());
// Set the pointer to the new heap number in tmp.
- if (!tmp1.is(r0)) __ mov(tmp1, Operand(r0));
+ if (!tmp1.is(r3)) __ mr(tmp1, r3);
// Restore input_reg after call to runtime.
__ LoadFromSafepointRegisterSlot(input, input);
- __ ldr(exponent, FieldMemOperand(input, HeapNumber::kExponentOffset));
+ __ lwz(exponent, FieldMemOperand(input, HeapNumber::kExponentOffset));
__ bind(&allocated);
// exponent: floating point exponent value.
// tmp1: allocated heap number.
- __ bic(exponent, exponent, Operand(HeapNumber::kSignMask));
- __ str(exponent, FieldMemOperand(tmp1, HeapNumber::kExponentOffset));
- __ ldr(tmp2, FieldMemOperand(input, HeapNumber::kMantissaOffset));
- __ str(tmp2, FieldMemOperand(tmp1, HeapNumber::kMantissaOffset));
+ STATIC_ASSERT(HeapNumber::kSignMask == 0x80000000u);
+ __ clrlwi(exponent, exponent, Operand(1)); // clear sign bit
+ __ stw(exponent, FieldMemOperand(tmp1, HeapNumber::kExponentOffset));
+ __ lwz(tmp2, FieldMemOperand(input, HeapNumber::kMantissaOffset));
+ __ stw(tmp2, FieldMemOperand(tmp1, HeapNumber::kMantissaOffset));
__ StoreToSafepointRegisterSlot(tmp1, result);
}
@@ -3740,18 +3917,40 @@ void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) {
}
-void LCodeGen::EmitIntegerMathAbs(LMathAbs* instr) {
+void LCodeGen::EmitMathAbs(LMathAbs* instr) {
Register input = ToRegister(instr->value());
Register result = ToRegister(instr->result());
- __ cmp(input, Operand::Zero());
- __ Move(result, input, pl);
- // We can make rsb conditional because the previous cmp instruction
- // will clear the V (overflow) flag and rsb won't set this flag
- // if input is positive.
- __ rsb(result, input, Operand::Zero(), SetCC, mi);
+ Label done;
+ __ cmpi(input, Operand::Zero());
+ __ Move(result, input);
+ __ bge(&done);
+ __ li(r0, Operand::Zero()); // clear xer
+ __ mtxer(r0);
+ __ neg(result, result, SetOE, SetRC);
+ // Deoptimize on overflow.
+ DeoptimizeIf(overflow, instr->environment(), cr0);
+ __ bind(&done);
+}
+
+
+#if V8_TARGET_ARCH_PPC64
+void LCodeGen::EmitInteger32MathAbs(LMathAbs* instr) {
+ Register input = ToRegister(instr->value());
+ Register result = ToRegister(instr->result());
+ Label done;
+ __ cmpwi(input, Operand::Zero());
+ __ Move(result, input);
+ __ bge(&done);
+
// Deoptimize on overflow.
- DeoptimizeIf(vs, instr->environment());
+ __ lis(r0, Operand(SIGN_EXT_IMM16(0x8000)));
+ __ cmpw(input, r0);
+ DeoptimizeIf(eq, instr->environment());
+
+ __ neg(result, result);
+ __ bind(&done);
}
+#endif
void LCodeGen::DoMathAbs(LMathAbs* instr) {
@@ -3770,11 +3969,17 @@ void LCodeGen::DoMathAbs(LMathAbs* instr) {
Representation r = instr->hydrogen()->value()->representation();
if (r.IsDouble()) {
- DwVfpRegister input = ToDoubleRegister(instr->value());
- DwVfpRegister result = ToDoubleRegister(instr->result());
- __ vabs(result, input);
+ DoubleRegister input = ToDoubleRegister(instr->value());
+ DoubleRegister result = ToDoubleRegister(instr->result());
+ __ fabs(result, input);
+#if V8_TARGET_ARCH_PPC64
+ } else if (r.IsInteger32()) {
+ EmitInteger32MathAbs(instr);
+ } else if (r.IsSmi()) {
+#else
} else if (r.IsSmiOrInteger32()) {
- EmitIntegerMathAbs(instr);
+#endif
+ EmitMathAbs(instr);
} else {
// Representation is tagged.
DeferredMathAbsTaggedHeapNumber* deferred =
@@ -3783,65 +3988,78 @@ void LCodeGen::DoMathAbs(LMathAbs* instr) {
// Smi check.
__ JumpIfNotSmi(input, deferred->entry());
// If smi, handle it directly.
- EmitIntegerMathAbs(instr);
+ EmitMathAbs(instr);
__ bind(deferred->exit());
}
}
void LCodeGen::DoMathFloor(LMathFloor* instr) {
- DwVfpRegister input = ToDoubleRegister(instr->value());
+ DoubleRegister input = ToDoubleRegister(instr->value());
Register result = ToRegister(instr->result());
Register input_high = scratch0();
+ Register scratch = ip;
Label done, exact;
- __ TryInt32Floor(result, input, input_high, double_scratch0(), &done, &exact);
+ __ TryInt32Floor(result, input, input_high, scratch, double_scratch0(),
+ &done, &exact);
DeoptimizeIf(al, instr->environment());
__ bind(&exact);
if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
// Test for -0.
- __ cmp(result, Operand::Zero());
- __ b(ne, &done);
- __ cmp(input_high, Operand::Zero());
- DeoptimizeIf(mi, instr->environment());
+ __ cmpi(result, Operand::Zero());
+ __ bne(&done);
+ __ cmpwi(input_high, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
}
__ bind(&done);
}
void LCodeGen::DoMathRound(LMathRound* instr) {
- DwVfpRegister input = ToDoubleRegister(instr->value());
+ DoubleRegister input = ToDoubleRegister(instr->value());
Register result = ToRegister(instr->result());
- DwVfpRegister double_scratch1 = ToDoubleRegister(instr->temp());
- DwVfpRegister input_plus_dot_five = double_scratch1;
- Register input_high = scratch0();
- DwVfpRegister dot_five = double_scratch0();
+ DoubleRegister double_scratch1 = ToDoubleRegister(instr->temp());
+ DoubleRegister input_plus_dot_five = double_scratch1;
+ Register scratch1 = scratch0();
+ Register scratch2 = ip;
+ DoubleRegister dot_five = double_scratch0();
Label convert, done;
- __ Vmov(dot_five, 0.5, scratch0());
- __ vabs(double_scratch1, input);
- __ VFPCompareAndSetFlags(double_scratch1, dot_five);
+ __ LoadDoubleLiteral(dot_five, 0.5, r0);
+ __ fabs(double_scratch1, input);
+ __ fcmpu(double_scratch1, dot_five);
+ DeoptimizeIf(unordered, instr->environment());
// If input is in [-0.5, -0], the result is -0.
// If input is in [+0, +0.5[, the result is +0.
// If the input is +0.5, the result is 1.
- __ b(hi, &convert); // Out of [-0.5, +0.5].
+ __ bgt(&convert); // Out of [-0.5, +0.5].
if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
- __ VmovHigh(input_high, input);
- __ cmp(input_high, Operand::Zero());
- DeoptimizeIf(mi, instr->environment()); // [-0.5, -0].
+#if V8_TARGET_ARCH_PPC64
+ __ MovDoubleToInt64(scratch1, input);
+#else
+ __ MovDoubleHighToInt(scratch1, input);
+#endif
+ __ cmpi(scratch1, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment()); // [-0.5, -0].
}
- __ VFPCompareAndSetFlags(input, dot_five);
- __ mov(result, Operand(1), LeaveCC, eq); // +0.5.
+ Label return_zero;
+ __ fcmpu(input, dot_five);
+ __ bne(&return_zero);
+ __ li(result, Operand(1)); // +0.5.
+ __ b(&done);
// Remaining cases: [+0, +0.5[ or [-0.5, +0.5[, depending on
// flag kBailoutOnMinusZero.
- __ mov(result, Operand::Zero(), LeaveCC, ne);
+ __ bind(&return_zero);
+ __ li(result, Operand::Zero());
__ b(&done);
__ bind(&convert);
- __ vadd(input_plus_dot_five, input, dot_five);
+ __ fadd(input_plus_dot_five, input, dot_five);
// Reuse dot_five (double_scratch0) as we no longer need this value.
- __ TryInt32Floor(result, input_plus_dot_five, input_high, double_scratch0(),
+ __ TryInt32Floor(result, input_plus_dot_five, scratch1,
+ scratch2, double_scratch0(),
&done, &done);
DeoptimizeIf(al, instr->environment());
__ bind(&done);
@@ -3849,38 +4067,39 @@ void LCodeGen::DoMathRound(LMathRound* instr) {
void LCodeGen::DoMathFround(LMathFround* instr) {
- DwVfpRegister input_reg = ToDoubleRegister(instr->value());
- DwVfpRegister output_reg = ToDoubleRegister(instr->result());
- LowDwVfpRegister scratch = double_scratch0();
- __ vcvt_f32_f64(scratch.low(), input_reg);
- __ vcvt_f64_f32(output_reg, scratch.low());
+ DoubleRegister input_reg = ToDoubleRegister(instr->value());
+ DoubleRegister output_reg = ToDoubleRegister(instr->result());
+ __ frsp(output_reg, input_reg);
}
void LCodeGen::DoMathSqrt(LMathSqrt* instr) {
- DwVfpRegister input = ToDoubleRegister(instr->value());
- DwVfpRegister result = ToDoubleRegister(instr->result());
- __ vsqrt(result, input);
+ DoubleRegister input = ToDoubleRegister(instr->value());
+ DoubleRegister result = ToDoubleRegister(instr->result());
+ __ fsqrt(result, input);
}
void LCodeGen::DoMathPowHalf(LMathPowHalf* instr) {
- DwVfpRegister input = ToDoubleRegister(instr->value());
- DwVfpRegister result = ToDoubleRegister(instr->result());
- DwVfpRegister temp = double_scratch0();
+ DoubleRegister input = ToDoubleRegister(instr->value());
+ DoubleRegister result = ToDoubleRegister(instr->result());
+ DoubleRegister temp = double_scratch0();
// Note that according to ECMA-262 15.8.2.13:
// Math.pow(-Infinity, 0.5) == Infinity
// Math.sqrt(-Infinity) == NaN
- Label done;
- __ vmov(temp, -V8_INFINITY, scratch0());
- __ VFPCompareAndSetFlags(input, temp);
- __ vneg(result, temp, eq);
- __ b(&done, eq);
+ Label skip, done;
+
+ __ LoadDoubleLiteral(temp, -V8_INFINITY, scratch0());
+ __ fcmpu(input, temp);
+ __ bne(&skip);
+ __ fneg(result, temp);
+ __ b(&done);
// Add +0 to convert -0 to +0.
- __ vadd(result, input, kDoubleRegZero);
- __ vsqrt(result, result);
+ __ bind(&skip);
+ __ fadd(result, input, kDoubleRegZero);
+ __ fsqrt(result, result);
__ bind(&done);
}
@@ -3890,21 +4109,21 @@ void LCodeGen::DoPower(LPower* instr) {
// Having marked this as a call, we can use any registers.
// Just make sure that the input/output registers are the expected ones.
DCHECK(!instr->right()->IsDoubleRegister() ||
- ToDoubleRegister(instr->right()).is(d1));
+ ToDoubleRegister(instr->right()).is(d2));
DCHECK(!instr->right()->IsRegister() ||
- ToRegister(instr->right()).is(r2));
- DCHECK(ToDoubleRegister(instr->left()).is(d0));
- DCHECK(ToDoubleRegister(instr->result()).is(d2));
+ ToRegister(instr->right()).is(r5));
+ DCHECK(ToDoubleRegister(instr->left()).is(d1));
+ DCHECK(ToDoubleRegister(instr->result()).is(d3));
if (exponent_type.IsSmi()) {
MathPowStub stub(isolate(), MathPowStub::TAGGED);
__ CallStub(&stub);
} else if (exponent_type.IsTagged()) {
Label no_deopt;
- __ JumpIfSmi(r2, &no_deopt);
- __ ldr(r6, FieldMemOperand(r2, HeapObject::kMapOffset));
+ __ JumpIfSmi(r5, &no_deopt);
+ __ LoadP(r10, FieldMemOperand(r5, HeapObject::kMapOffset));
__ LoadRoot(ip, Heap::kHeapNumberMapRootIndex);
- __ cmp(r6, Operand(ip));
+ __ cmp(r10, ip);
DeoptimizeIf(ne, instr->environment());
__ bind(&no_deopt);
MathPowStub stub(isolate(), MathPowStub::TAGGED);
@@ -3921,10 +4140,10 @@ void LCodeGen::DoPower(LPower* instr) {
void LCodeGen::DoMathExp(LMathExp* instr) {
- DwVfpRegister input = ToDoubleRegister(instr->value());
- DwVfpRegister result = ToDoubleRegister(instr->result());
- DwVfpRegister double_scratch1 = ToDoubleRegister(instr->double_temp());
- DwVfpRegister double_scratch2 = double_scratch0();
+ DoubleRegister input = ToDoubleRegister(instr->value());
+ DoubleRegister result = ToDoubleRegister(instr->result());
+ DoubleRegister double_scratch1 = ToDoubleRegister(instr->double_temp());
+ DoubleRegister double_scratch2 = double_scratch0();
Register temp1 = ToRegister(instr->temp1());
Register temp2 = ToRegister(instr->temp2());
@@ -3946,13 +4165,13 @@ void LCodeGen::DoMathLog(LMathLog* instr) {
void LCodeGen::DoMathClz32(LMathClz32* instr) {
Register input = ToRegister(instr->value());
Register result = ToRegister(instr->result());
- __ clz(result, input);
+ __ cntlzw_(result, input);
}
void LCodeGen::DoInvokeFunction(LInvokeFunction* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->function()).is(r1));
+ DCHECK(ToRegister(instr->function()).is(r4));
DCHECK(instr->HasPointerMap());
Handle<JSFunction> known_function = instr->hydrogen()->known_function();
@@ -3960,19 +4179,19 @@ void LCodeGen::DoInvokeFunction(LInvokeFunction* instr) {
LPointerMap* pointers = instr->pointer_map();
SafepointGenerator generator(this, pointers, Safepoint::kLazyDeopt);
ParameterCount count(instr->arity());
- __ InvokeFunction(r1, count, CALL_FUNCTION, generator);
+ __ InvokeFunction(r4, count, CALL_FUNCTION, generator);
} else {
CallKnownFunction(known_function,
instr->hydrogen()->formal_parameter_count(),
instr->arity(),
instr,
- R1_CONTAINS_TARGET);
+ R4_CONTAINS_TARGET);
}
}
void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) {
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->result()).is(r3));
LPointerMap* pointers = instr->pointer_map();
SafepointGenerator generator(this, pointers, Safepoint::kLazyDeopt);
@@ -3981,21 +4200,12 @@ void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) {
LConstantOperand* target = LConstantOperand::cast(instr->target());
Handle<Code> code = Handle<Code>::cast(ToHandle(target));
generator.BeforeCall(__ CallSize(code, RelocInfo::CODE_TARGET));
- PlatformInterfaceDescriptor* call_descriptor =
- instr->descriptor()->platform_specific_descriptor();
- __ Call(code, RelocInfo::CODE_TARGET, TypeFeedbackId::None(), al,
- call_descriptor->storage_mode());
+ __ Call(code, RelocInfo::CODE_TARGET);
} else {
DCHECK(instr->target()->IsRegister());
Register target = ToRegister(instr->target());
generator.BeforeCall(__ CallSize(target));
- // Make sure we don't emit any additional entries in the constant pool
- // before the call to ensure that the CallCodeSize() calculated the correct
- // number of instructions for the constant pool load.
- {
- ConstantPoolUnavailableScope constant_pool_unavailable(masm_);
- __ add(target, target, Operand(Code::kHeaderSize - kHeapObjectTag));
- }
+ __ addi(target, target, Operand(Code::kHeaderSize - kHeapObjectTag));
__ Call(target);
}
generator.AfterCall();
@@ -4003,18 +4213,18 @@ void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) {
void LCodeGen::DoCallJSFunction(LCallJSFunction* instr) {
- DCHECK(ToRegister(instr->function()).is(r1));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->function()).is(r4));
+ DCHECK(ToRegister(instr->result()).is(r3));
if (instr->hydrogen()->pass_argument_count()) {
- __ mov(r0, Operand(instr->arity()));
+ __ mov(r3, Operand(instr->arity()));
}
// Change context.
- __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
+ __ LoadP(cp, FieldMemOperand(r4, JSFunction::kContextOffset));
// Load the code entry address
- __ ldr(ip, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
+ __ LoadP(ip, FieldMemOperand(r4, JSFunction::kCodeEntryOffset));
__ Call(ip);
RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT);
@@ -4023,8 +4233,8 @@ void LCodeGen::DoCallJSFunction(LCallJSFunction* instr) {
void LCodeGen::DoCallFunction(LCallFunction* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->function()).is(r1));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->function()).is(r4));
+ DCHECK(ToRegister(instr->result()).is(r3));
int arity = instr->arity();
CallFunctionStub stub(isolate(), arity, instr->hydrogen()->function_flags());
@@ -4034,12 +4244,12 @@ void LCodeGen::DoCallFunction(LCallFunction* instr) {
void LCodeGen::DoCallNew(LCallNew* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->constructor()).is(r1));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->constructor()).is(r4));
+ DCHECK(ToRegister(instr->result()).is(r3));
- __ mov(r0, Operand(instr->arity()));
- // No cell in r2 for construct type feedback in optimized code
- __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
+ __ mov(r3, Operand(instr->arity()));
+ // No cell in r5 for construct type feedback in optimized code
+ __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
CallConstructStub stub(isolate(), NO_CALL_CONSTRUCTOR_FLAGS);
CallCode(stub.GetCode(), RelocInfo::CONSTRUCT_CALL, instr);
}
@@ -4047,11 +4257,11 @@ void LCodeGen::DoCallNew(LCallNew* instr) {
void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->constructor()).is(r1));
- DCHECK(ToRegister(instr->result()).is(r0));
+ DCHECK(ToRegister(instr->constructor()).is(r4));
+ DCHECK(ToRegister(instr->result()).is(r3));
- __ mov(r0, Operand(instr->arity()));
- __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
+ __ mov(r3, Operand(instr->arity()));
+ __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
ElementsKind kind = instr->hydrogen()->elements_kind();
AllocationSiteOverrideMode override_mode =
(AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE)
@@ -4067,16 +4277,16 @@ void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
Label packed_case;
// We might need a change here
// look at the first argument
- __ ldr(r5, MemOperand(sp, 0));
- __ cmp(r5, Operand::Zero());
- __ b(eq, &packed_case);
+ __ LoadP(r8, MemOperand(sp, 0));
+ __ cmpi(r8, Operand::Zero());
+ __ beq(&packed_case);
ElementsKind holey_kind = GetHoleyElementsKind(kind);
ArraySingleArgumentConstructorStub stub(isolate(),
holey_kind,
override_mode);
CallCode(stub.GetCode(), RelocInfo::CONSTRUCT_CALL, instr);
- __ jmp(&done);
+ __ b(&done);
__ bind(&packed_case);
}
@@ -4098,9 +4308,10 @@ void LCodeGen::DoCallRuntime(LCallRuntime* instr) {
void LCodeGen::DoStoreCodeEntry(LStoreCodeEntry* instr) {
Register function = ToRegister(instr->function());
Register code_object = ToRegister(instr->code_object());
- __ add(code_object, code_object, Operand(Code::kHeaderSize - kHeapObjectTag));
- __ str(code_object,
- FieldMemOperand(function, JSFunction::kCodeEntryOffset));
+ __ addi(code_object, code_object,
+ Operand(Code::kHeaderSize - kHeapObjectTag));
+ __ StoreP(code_object,
+ FieldMemOperand(function, JSFunction::kCodeEntryOffset), r0);
}
@@ -4109,7 +4320,7 @@ void LCodeGen::DoInnerAllocatedObject(LInnerAllocatedObject* instr) {
Register base = ToRegister(instr->base_object());
if (instr->offset()->IsConstantOperand()) {
LConstantOperand* offset = LConstantOperand::cast(instr->offset());
- __ add(result, base, Operand(ToInteger32(offset)));
+ __ Add(result, base, ToInteger32(offset), r0);
} else {
Register offset = ToRegister(instr->offset());
__ add(result, base, offset);
@@ -4118,40 +4329,47 @@ void LCodeGen::DoInnerAllocatedObject(LInnerAllocatedObject* instr) {
void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
+ HStoreNamedField* hinstr = instr->hydrogen();
Representation representation = instr->representation();
Register object = ToRegister(instr->object());
Register scratch = scratch0();
- HObjectAccess access = instr->hydrogen()->access();
+ HObjectAccess access = hinstr->access();
int offset = access.offset();
if (access.IsExternalMemory()) {
Register value = ToRegister(instr->value());
MemOperand operand = MemOperand(object, offset);
- __ Store(value, operand, representation);
+ __ StoreRepresentation(value, operand, representation, r0);
return;
}
__ AssertNotSmi(object);
+#if V8_TARGET_ARCH_PPC64
+ DCHECK(!representation.IsSmi() ||
+ !instr->value()->IsConstantOperand() ||
+ IsInteger32(LConstantOperand::cast(instr->value())));
+#else
DCHECK(!representation.IsSmi() ||
!instr->value()->IsConstantOperand() ||
IsSmi(LConstantOperand::cast(instr->value())));
+#endif
if (representation.IsDouble()) {
DCHECK(access.IsInobject());
- DCHECK(!instr->hydrogen()->has_transition());
- DCHECK(!instr->hydrogen()->NeedsWriteBarrier());
- DwVfpRegister value = ToDoubleRegister(instr->value());
- __ vstr(value, FieldMemOperand(object, offset));
+ DCHECK(!hinstr->has_transition());
+ DCHECK(!hinstr->NeedsWriteBarrier());
+ DoubleRegister value = ToDoubleRegister(instr->value());
+ __ stfd(value, FieldMemOperand(object, offset));
return;
}
- if (instr->hydrogen()->has_transition()) {
- Handle<Map> transition = instr->hydrogen()->transition_map();
+ if (hinstr->has_transition()) {
+ Handle<Map> transition = hinstr->transition_map();
AddDeprecationDependency(transition);
__ mov(scratch, Operand(transition));
- __ str(scratch, FieldMemOperand(object, HeapObject::kMapOffset));
- if (instr->hydrogen()->NeedsWriteBarrierForMap()) {
+ __ StoreP(scratch, FieldMemOperand(object, HeapObject::kMapOffset), r0);
+ if (hinstr->NeedsWriteBarrierForMap()) {
Register temp = ToRegister(instr->temp());
// Update the write barrier for the map field.
__ RecordWriteForMap(object,
@@ -4164,10 +4382,26 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
// Do the store.
Register value = ToRegister(instr->value());
+
+#if V8_TARGET_ARCH_PPC64
+ // 64-bit Smi optimization
+ if (representation.IsSmi() &&
+ hinstr->value()->representation().IsInteger32()) {
+ DCHECK(hinstr->store_mode() == STORE_TO_INITIALIZED_ENTRY);
+ // Store int value directly to upper half of the smi.
+ STATIC_ASSERT(kSmiTag == 0);
+ STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 32);
+#if V8_TARGET_LITTLE_ENDIAN
+ offset += kPointerSize / 2;
+#endif
+ representation = Representation::Integer32();
+ }
+#endif
+
if (access.IsInobject()) {
MemOperand operand = FieldMemOperand(object, offset);
- __ Store(value, operand, representation);
- if (instr->hydrogen()->NeedsWriteBarrier()) {
+ __ StoreRepresentation(value, operand, representation, r0);
+ if (hinstr->NeedsWriteBarrier()) {
// Update the write barrier for the object for in-object properties.
__ RecordWriteField(object,
offset,
@@ -4176,14 +4410,14 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
GetLinkRegisterState(),
kSaveFPRegs,
EMIT_REMEMBERED_SET,
- instr->hydrogen()->SmiCheckForWriteBarrier(),
- instr->hydrogen()->PointersToHereCheckForValue());
+ hinstr->SmiCheckForWriteBarrier(),
+ hinstr->PointersToHereCheckForValue());
}
} else {
- __ ldr(scratch, FieldMemOperand(object, JSObject::kPropertiesOffset));
+ __ LoadP(scratch, FieldMemOperand(object, JSObject::kPropertiesOffset));
MemOperand operand = FieldMemOperand(scratch, offset);
- __ Store(value, operand, representation);
- if (instr->hydrogen()->NeedsWriteBarrier()) {
+ __ StoreRepresentation(value, operand, representation, r0);
+ if (hinstr->NeedsWriteBarrier()) {
// Update the write barrier for the properties array.
// object is used as a scratch register.
__ RecordWriteField(scratch,
@@ -4193,8 +4427,8 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
GetLinkRegisterState(),
kSaveFPRegs,
EMIT_REMEMBERED_SET,
- instr->hydrogen()->SmiCheckForWriteBarrier(),
- instr->hydrogen()->PointersToHereCheckForValue());
+ hinstr->SmiCheckForWriteBarrier(),
+ hinstr->PointersToHereCheckForValue());
}
}
}
@@ -4207,21 +4441,41 @@ void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
__ mov(StoreIC::NameRegister(), Operand(instr->name()));
Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->strict_mode());
- CallCode(ic, RelocInfo::CODE_TARGET, instr, NEVER_INLINE_TARGET_ADDRESS);
+ CallCode(ic, RelocInfo::CODE_TARGET, instr);
}
void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
- Condition cc = instr->hydrogen()->allow_equality() ? hi : hs;
- if (instr->index()->IsConstantOperand()) {
- Operand index = ToOperand(instr->index());
- Register length = ToRegister(instr->length());
- __ cmp(length, index);
+ Representation representation = instr->hydrogen()->length()->representation();
+ DCHECK(representation.Equals(instr->hydrogen()->index()->representation()));
+ DCHECK(representation.IsSmiOrInteger32());
+
+ Condition cc = instr->hydrogen()->allow_equality() ? lt : le;
+ if (instr->length()->IsConstantOperand()) {
+ int32_t length = ToInteger32(LConstantOperand::cast(instr->length()));
+ Register index = ToRegister(instr->index());
+ if (representation.IsSmi()) {
+ __ Cmpli(index, Operand(Smi::FromInt(length)), r0);
+ } else {
+ __ Cmplwi(index, Operand(length), r0);
+ }
cc = CommuteCondition(cc);
+ } else if (instr->index()->IsConstantOperand()) {
+ int32_t index = ToInteger32(LConstantOperand::cast(instr->index()));
+ Register length = ToRegister(instr->length());
+ if (representation.IsSmi()) {
+ __ Cmpli(length, Operand(Smi::FromInt(index)), r0);
+ } else {
+ __ Cmplwi(length, Operand(index), r0);
+ }
} else {
Register index = ToRegister(instr->index());
- Operand length = ToOperand(instr->length());
- __ cmp(index, length);
+ Register length = ToRegister(instr->length());
+ if (representation.IsSmi()) {
+ __ cmpl(length, index);
+ } else {
+ __ cmplw(length, index);
+ }
}
if (FLAG_debug_code && instr->hydrogen()->skip_check()) {
Label done;
@@ -4249,8 +4503,7 @@ void LCodeGen::DoStoreKeyedExternalArray(LStoreKeyed* instr) {
key = ToRegister(instr->key());
}
int element_size_shift = ElementsKindToShiftSize(elements_kind);
- int shift_size = (instr->hydrogen()->key()->representation().IsSmi())
- ? (element_size_shift - kSmiTagSize) : element_size_shift;
+ bool key_is_smi = instr->hydrogen()->key()->representation().IsSmi();
int base_offset = instr->base_offset();
if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
@@ -4258,30 +4511,31 @@ void LCodeGen::DoStoreKeyedExternalArray(LStoreKeyed* instr) {
elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
elements_kind == FLOAT64_ELEMENTS) {
Register address = scratch0();
- DwVfpRegister value(ToDoubleRegister(instr->value()));
+ DoubleRegister value(ToDoubleRegister(instr->value()));
if (key_is_constant) {
if (constant_key != 0) {
- __ add(address, external_pointer,
- Operand(constant_key << element_size_shift));
+ __ Add(address, external_pointer,
+ constant_key << element_size_shift,
+ r0);
} else {
address = external_pointer;
}
} else {
- __ add(address, external_pointer, Operand(key, LSL, shift_size));
+ __ IndexToArrayOffset(r0, key, element_size_shift, key_is_smi);
+ __ add(address, external_pointer, r0);
}
if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
elements_kind == FLOAT32_ELEMENTS) {
- __ vcvt_f32_f64(double_scratch0().low(), value);
- __ vstr(double_scratch0().low(), address, base_offset);
+ __ frsp(double_scratch0(), value);
+ __ stfs(double_scratch0(), MemOperand(address, base_offset));
} else { // Storing doubles, not floats.
- __ vstr(value, address, base_offset);
+ __ stfd(value, MemOperand(address, base_offset));
}
} else {
Register value(ToRegister(instr->value()));
MemOperand mem_operand = PrepareKeyedOperand(
- key, external_pointer, key_is_constant, constant_key,
- element_size_shift, shift_size,
- base_offset);
+ key, external_pointer, key_is_constant, key_is_smi, constant_key,
+ element_size_shift, base_offset);
switch (elements_kind) {
case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
case EXTERNAL_INT8_ELEMENTS:
@@ -4289,19 +4543,31 @@ void LCodeGen::DoStoreKeyedExternalArray(LStoreKeyed* instr) {
case UINT8_ELEMENTS:
case UINT8_CLAMPED_ELEMENTS:
case INT8_ELEMENTS:
- __ strb(value, mem_operand);
+ if (key_is_constant) {
+ __ StoreByte(value, mem_operand, r0);
+ } else {
+ __ stbx(value, mem_operand);
+ }
break;
case EXTERNAL_INT16_ELEMENTS:
case EXTERNAL_UINT16_ELEMENTS:
case INT16_ELEMENTS:
case UINT16_ELEMENTS:
- __ strh(value, mem_operand);
+ if (key_is_constant) {
+ __ StoreHalfWord(value, mem_operand, r0);
+ } else {
+ __ sthx(value, mem_operand);
+ }
break;
case EXTERNAL_INT32_ELEMENTS:
case EXTERNAL_UINT32_ELEMENTS:
case INT32_ELEMENTS:
case UINT32_ELEMENTS:
- __ str(value, mem_operand);
+ if (key_is_constant) {
+ __ StoreWord(value, mem_operand, r0);
+ } else {
+ __ stwx(value, mem_operand);
+ }
break;
case FLOAT32_ELEMENTS:
case FLOAT64_ELEMENTS:
@@ -4323,58 +4589,60 @@ void LCodeGen::DoStoreKeyedExternalArray(LStoreKeyed* instr) {
void LCodeGen::DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr) {
- DwVfpRegister value = ToDoubleRegister(instr->value());
+ DoubleRegister value = ToDoubleRegister(instr->value());
Register elements = ToRegister(instr->elements());
+ Register key = no_reg;
Register scratch = scratch0();
- DwVfpRegister double_scratch = double_scratch0();
+ DoubleRegister double_scratch = double_scratch0();
bool key_is_constant = instr->key()->IsConstantOperand();
- int base_offset = instr->base_offset();
+ int constant_key = 0;
// Calculate the effective address of the slot in the array to store the
// double value.
- int element_size_shift = ElementsKindToShiftSize(FAST_DOUBLE_ELEMENTS);
if (key_is_constant) {
- int constant_key = ToInteger32(LConstantOperand::cast(instr->key()));
+ constant_key = ToInteger32(LConstantOperand::cast(instr->key()));
if (constant_key & 0xF0000000) {
Abort(kArrayIndexConstantValueTooBig);
}
- __ add(scratch, elements,
- Operand((constant_key << element_size_shift) + base_offset));
} else {
- int shift_size = (instr->hydrogen()->key()->representation().IsSmi())
- ? (element_size_shift - kSmiTagSize) : element_size_shift;
- __ add(scratch, elements, Operand(base_offset));
- __ add(scratch, scratch,
- Operand(ToRegister(instr->key()), LSL, shift_size));
+ key = ToRegister(instr->key());
+ }
+ int element_size_shift = ElementsKindToShiftSize(FAST_DOUBLE_ELEMENTS);
+ bool key_is_smi = instr->hydrogen()->key()->representation().IsSmi();
+ int base_offset = instr->base_offset() + constant_key * kDoubleSize;
+ if (!key_is_constant) {
+ __ IndexToArrayOffset(scratch, key, element_size_shift, key_is_smi);
+ __ add(scratch, elements, scratch);
+ elements = scratch;
+ }
+ if (!is_int16(base_offset)) {
+ __ Add(scratch, elements, base_offset, r0);
+ base_offset = 0;
+ elements = scratch;
}
if (instr->NeedsCanonicalization()) {
// Force a canonical NaN.
- if (masm()->emit_debug_code()) {
- __ vmrs(ip);
- __ tst(ip, Operand(kVFPDefaultNaNModeControlBit));
- __ Assert(ne, kDefaultNaNModeNotSet);
- }
- __ VFPCanonicalizeNaN(double_scratch, value);
- __ vstr(double_scratch, scratch, 0);
+ __ CanonicalizeNaN(double_scratch, value);
+ __ stfd(double_scratch, MemOperand(elements, base_offset));
} else {
- __ vstr(value, scratch, 0);
+ __ stfd(value, MemOperand(elements, base_offset));
}
}
void LCodeGen::DoStoreKeyedFixedArray(LStoreKeyed* instr) {
+ HStoreKeyed* hinstr = instr->hydrogen();
Register value = ToRegister(instr->value());
Register elements = ToRegister(instr->elements());
- Register key = instr->key()->IsRegister() ? ToRegister(instr->key())
- : no_reg;
+ Register key = instr->key()->IsRegister() ? ToRegister(instr->key()) : no_reg;
Register scratch = scratch0();
Register store_base = scratch;
int offset = instr->base_offset();
// Do the store.
if (instr->key()->IsConstantOperand()) {
- DCHECK(!instr->hydrogen()->NeedsWriteBarrier());
+ DCHECK(!hinstr->NeedsWriteBarrier());
LConstantOperand* const_operand = LConstantOperand::cast(instr->key());
offset += ToInteger32(const_operand) * kPointerSize;
store_base = elements;
@@ -4383,20 +4651,38 @@ void LCodeGen::DoStoreKeyedFixedArray(LStoreKeyed* instr) {
// representation for the key to be an integer, the input gets replaced
// during bound check elimination with the index argument to the bounds
// check, which can be tagged, so that case must be handled here, too.
- if (instr->hydrogen()->key()->representation().IsSmi()) {
- __ add(scratch, elements, Operand::PointerOffsetFromSmiKey(key));
+ if (hinstr->key()->representation().IsSmi()) {
+ __ SmiToPtrArrayOffset(scratch, key);
} else {
- __ add(scratch, elements, Operand(key, LSL, kPointerSizeLog2));
+ __ ShiftLeftImm(scratch, key, Operand(kPointerSizeLog2));
}
+ __ add(scratch, elements, scratch);
}
- __ str(value, MemOperand(store_base, offset));
- if (instr->hydrogen()->NeedsWriteBarrier()) {
- SmiCheck check_needed =
- instr->hydrogen()->value()->type().IsHeapObject()
- ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
+ Representation representation = hinstr->value()->representation();
+
+#if V8_TARGET_ARCH_PPC64
+ // 64-bit Smi optimization
+ if (representation.IsInteger32()) {
+ DCHECK(hinstr->store_mode() == STORE_TO_INITIALIZED_ENTRY);
+ DCHECK(hinstr->elements_kind() == FAST_SMI_ELEMENTS);
+ // Store int value directly to upper half of the smi.
+ STATIC_ASSERT(kSmiTag == 0);
+ STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 32);
+#if V8_TARGET_LITTLE_ENDIAN
+ offset += kPointerSize / 2;
+#endif
+ }
+#endif
+
+ __ StoreRepresentation(value, MemOperand(store_base, offset),
+ representation, r0);
+
+ if (hinstr->NeedsWriteBarrier()) {
+ SmiCheck check_needed = hinstr->value()->type().IsHeapObject()
+ ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
// Compute address of modified element and store it into key register.
- __ add(key, store_base, Operand(offset));
+ __ Add(key, store_base, offset, r0);
__ RecordWrite(elements,
key,
value,
@@ -4404,7 +4690,7 @@ void LCodeGen::DoStoreKeyedFixedArray(LStoreKeyed* instr) {
kSaveFPRegs,
EMIT_REMEMBERED_SET,
check_needed,
- instr->hydrogen()->PointersToHereCheckForValue());
+ hinstr->PointersToHereCheckForValue());
}
}
@@ -4427,10 +4713,10 @@ void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
DCHECK(ToRegister(instr->key()).is(KeyedStoreIC::NameRegister()));
DCHECK(ToRegister(instr->value()).is(KeyedStoreIC::ValueRegister()));
- Handle<Code> ic = instr->strict_mode() == STRICT
+ Handle<Code> ic = (instr->strict_mode() == STRICT)
? isolate()->builtins()->KeyedStoreIC_Initialize_Strict()
: isolate()->builtins()->KeyedStoreIC_Initialize();
- CallCode(ic, RelocInfo::CODE_TARGET, instr, NEVER_INLINE_TARGET_ADDRESS);
+ CallCode(ic, RelocInfo::CODE_TARGET, instr);
}
@@ -4444,14 +4730,15 @@ void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
ElementsKind to_kind = instr->to_kind();
Label not_applicable;
- __ ldr(scratch, FieldMemOperand(object_reg, HeapObject::kMapOffset));
- __ cmp(scratch, Operand(from_map));
- __ b(ne, &not_applicable);
+ __ LoadP(scratch, FieldMemOperand(object_reg, HeapObject::kMapOffset));
+ __ Cmpi(scratch, Operand(from_map), r0);
+ __ bne(&not_applicable);
if (IsSimpleMapChangeTransition(from_kind, to_kind)) {
Register new_map_reg = ToRegister(instr->new_map_temp());
__ mov(new_map_reg, Operand(to_map));
- __ str(new_map_reg, FieldMemOperand(object_reg, HeapObject::kMapOffset));
+ __ StoreP(new_map_reg, FieldMemOperand(object_reg, HeapObject::kMapOffset),
+ r0);
// Write barrier.
__ RecordWriteForMap(object_reg,
new_map_reg,
@@ -4460,9 +4747,9 @@ void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
kDontSaveFPRegs);
} else {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(object_reg.is(r0));
+ DCHECK(object_reg.is(r3));
PushSafepointRegistersScope scope(this);
- __ Move(r1, to_map);
+ __ Move(r4, to_map);
bool is_js_array = from_map->instance_type() == JS_ARRAY_TYPE;
TransitionElementsKindStub stub(isolate(), from_kind, to_kind, is_js_array);
__ CallStub(&stub);
@@ -4485,8 +4772,8 @@ void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) {
void LCodeGen::DoStringAdd(LStringAdd* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
- DCHECK(ToRegister(instr->left()).is(r1));
- DCHECK(ToRegister(instr->right()).is(r0));
+ DCHECK(ToRegister(instr->left()).is(r4));
+ DCHECK(ToRegister(instr->right()).is(r3));
StringAddStub stub(isolate(),
instr->hydrogen()->flags(),
instr->hydrogen()->pretenure_flag());
@@ -4527,7 +4814,7 @@ void LCodeGen::DoDeferredStringCharCodeAt(LStringCharCodeAt* instr) {
// TODO(3095996): Get rid of this. For now, we need to make the
// result register contain a valid pointer because it is already
// contained in the register pointer map.
- __ mov(result, Operand::Zero());
+ __ li(result, Operand::Zero());
PushSafepointRegistersScope scope(this);
__ push(string);
@@ -4535,7 +4822,7 @@ void LCodeGen::DoDeferredStringCharCodeAt(LStringCharCodeAt* instr) {
// DoStringCharCodeAt above.
if (instr->index()->IsConstantOperand()) {
int const_index = ToInteger32(LConstantOperand::cast(instr->index()));
- __ mov(scratch, Operand(Smi::FromInt(const_index)));
+ __ LoadSmiLiteral(scratch, Smi::FromInt(const_index));
__ push(scratch);
} else {
Register index = ToRegister(instr->index());
@@ -4544,14 +4831,14 @@ void LCodeGen::DoDeferredStringCharCodeAt(LStringCharCodeAt* instr) {
}
CallRuntimeFromDeferred(Runtime::kStringCharCodeAtRT, 2, instr,
instr->context());
- __ AssertSmi(r0);
- __ SmiUntag(r0);
- __ StoreToSafepointRegisterSlot(r0, result);
+ __ AssertSmi(r3);
+ __ SmiUntag(r3);
+ __ StoreToSafepointRegisterSlot(r3, result);
}
void LCodeGen::DoStringCharFromCode(LStringCharFromCode* instr) {
- class DeferredStringCharFromCode V8_FINAL : public LDeferredCode {
+ class DeferredStringCharFromCode: public LDeferredCode {
public:
DeferredStringCharFromCode(LCodeGen* codegen, LStringCharFromCode* instr)
: LDeferredCode(codegen), instr_(instr) { }
@@ -4571,14 +4858,15 @@ void LCodeGen::DoStringCharFromCode(LStringCharFromCode* instr) {
Register result = ToRegister(instr->result());
DCHECK(!char_code.is(result));
- __ cmp(char_code, Operand(String::kMaxOneByteCharCode));
- __ b(hi, deferred->entry());
+ __ cmpli(char_code, Operand(String::kMaxOneByteCharCode));
+ __ bgt(deferred->entry());
__ LoadRoot(result, Heap::kSingleCharacterStringCacheRootIndex);
- __ add(result, result, Operand(char_code, LSL, kPointerSizeLog2));
- __ ldr(result, FieldMemOperand(result, FixedArray::kHeaderSize));
+ __ ShiftLeftImm(r0, char_code, Operand(kPointerSizeLog2));
+ __ add(result, result, r0);
+ __ LoadP(result, FieldMemOperand(result, FixedArray::kHeaderSize));
__ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
__ cmp(result, ip);
- __ b(eq, deferred->entry());
+ __ beq(deferred->entry());
__ bind(deferred->exit());
}
@@ -4590,13 +4878,13 @@ void LCodeGen::DoDeferredStringCharFromCode(LStringCharFromCode* instr) {
// TODO(3095996): Get rid of this. For now, we need to make the
// result register contain a valid pointer because it is already
// contained in the register pointer map.
- __ mov(result, Operand::Zero());
+ __ li(result, Operand::Zero());
PushSafepointRegistersScope scope(this);
__ SmiTag(char_code);
__ push(char_code);
CallRuntimeFromDeferred(Runtime::kCharFromCode, 1, instr, instr->context());
- __ StoreToSafepointRegisterSlot(r0, result);
+ __ StoreToSafepointRegisterSlot(r3, result);
}
@@ -4605,25 +4893,20 @@ void LCodeGen::DoInteger32ToDouble(LInteger32ToDouble* instr) {
DCHECK(input->IsRegister() || input->IsStackSlot());
LOperand* output = instr->result();
DCHECK(output->IsDoubleRegister());
- SwVfpRegister single_scratch = double_scratch0().low();
if (input->IsStackSlot()) {
Register scratch = scratch0();
- __ ldr(scratch, ToMemOperand(input));
- __ vmov(single_scratch, scratch);
+ __ LoadP(scratch, ToMemOperand(input));
+ __ ConvertIntToDouble(scratch, ToDoubleRegister(output));
} else {
- __ vmov(single_scratch, ToRegister(input));
+ __ ConvertIntToDouble(ToRegister(input), ToDoubleRegister(output));
}
- __ vcvt_f64_s32(ToDoubleRegister(output), single_scratch);
}
void LCodeGen::DoUint32ToDouble(LUint32ToDouble* instr) {
LOperand* input = instr->value();
LOperand* output = instr->result();
-
- SwVfpRegister flt_scratch = double_scratch0().low();
- __ vmov(flt_scratch, ToRegister(input));
- __ vcvt_f64_u32(ToDoubleRegister(output), flt_scratch);
+ __ ConvertUnsignedIntToDouble(ToRegister(input), ToDoubleRegister(output));
}
@@ -4648,8 +4931,12 @@ void LCodeGen::DoNumberTagI(LNumberTagI* instr) {
Register dst = ToRegister(instr->result());
DeferredNumberTagI* deferred = new(zone()) DeferredNumberTagI(this, instr);
- __ SmiTag(dst, src, SetCC);
- __ b(vs, deferred->entry());
+#if V8_TARGET_ARCH_PPC64
+ __ SmiTag(dst, src);
+#else
+ __ SmiTagCheckOverflow(dst, src, r0);
+ __ BranchOnOverflow(deferred->entry());
+#endif
__ bind(deferred->exit());
}
@@ -4675,8 +4962,8 @@ void LCodeGen::DoNumberTagU(LNumberTagU* instr) {
Register result = ToRegister(instr->result());
DeferredNumberTagU* deferred = new(zone()) DeferredNumberTagU(this, instr);
- __ cmp(input, Operand(Smi::kMaxValue));
- __ b(hi, deferred->entry());
+ __ Cmpli(input, Operand(Smi::kMaxValue), r0);
+ __ bgt(deferred->entry());
__ SmiTag(result, input);
__ bind(deferred->exit());
}
@@ -4693,7 +4980,7 @@ void LCodeGen::DoDeferredNumberTagIU(LInstruction* instr,
Register tmp1 = scratch0();
Register tmp2 = ToRegister(temp1);
Register tmp3 = ToRegister(temp2);
- LowDwVfpRegister dbl_scratch = double_scratch0();
+ DoubleRegister dbl_scratch = double_scratch0();
if (signedness == SIGNED_INT32) {
// There was overflow, so bits 30 and 31 of the original integer
@@ -4701,18 +4988,16 @@ void LCodeGen::DoDeferredNumberTagIU(LInstruction* instr,
// the value in there. If that fails, call the runtime system.
if (dst.is(src)) {
__ SmiUntag(src, dst);
- __ eor(src, src, Operand(0x80000000));
+ __ xoris(src, src, Operand(HeapNumber::kSignMask >> 16));
}
- __ vmov(dbl_scratch.low(), src);
- __ vcvt_f64_s32(dbl_scratch, dbl_scratch.low());
+ __ ConvertIntToDouble(src, dbl_scratch);
} else {
- __ vmov(dbl_scratch.low(), src);
- __ vcvt_f64_u32(dbl_scratch, dbl_scratch.low());
+ __ ConvertUnsignedIntToDouble(src, dbl_scratch);
}
if (FLAG_inline_new) {
__ LoadRoot(tmp3, Heap::kHeapNumberMapRootIndex);
- __ AllocateHeapNumber(dst, tmp1, tmp2, tmp3, &slow, DONT_TAG_RESULT);
+ __ AllocateHeapNumber(dst, tmp1, tmp2, tmp3, &slow);
__ b(&done);
}
@@ -4722,7 +5007,7 @@ void LCodeGen::DoDeferredNumberTagIU(LInstruction* instr,
// TODO(3095996): Put a valid pointer value in the stack slot where the
// result register is stored, as this register is in the pointer map, but
// contains an integer value.
- __ mov(dst, Operand::Zero());
+ __ li(dst, Operand::Zero());
// Preserve the value of all registers.
PushSafepointRegistersScope scope(this);
@@ -4732,19 +5017,17 @@ void LCodeGen::DoDeferredNumberTagIU(LInstruction* instr,
// They only call Runtime::kAllocateHeapNumber.
// The corresponding HChange instructions are added in a phase that does
// not have easy access to the local context.
- __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
__ CallRuntimeSaveDoubles(Runtime::kAllocateHeapNumber);
RecordSafepointWithRegisters(
instr->pointer_map(), 0, Safepoint::kNoLazyDeopt);
- __ sub(r0, r0, Operand(kHeapObjectTag));
- __ StoreToSafepointRegisterSlot(r0, dst);
+ __ StoreToSafepointRegisterSlot(r3, dst);
}
// Done. Put the value in dbl_scratch into the value of the allocated heap
// number.
__ bind(&done);
- __ vstr(dbl_scratch, dst, HeapNumber::kValueOffset);
- __ add(dst, dst, Operand(kHeapObjectTag));
+ __ stfd(dbl_scratch, FieldMemOperand(dst, HeapNumber::kValueOffset));
}
@@ -4761,7 +5044,7 @@ void LCodeGen::DoNumberTagD(LNumberTagD* instr) {
LNumberTagD* instr_;
};
- DwVfpRegister input_reg = ToDoubleRegister(instr->value());
+ DoubleRegister input_reg = ToDoubleRegister(instr->value());
Register scratch = scratch0();
Register reg = ToRegister(instr->result());
Register temp1 = ToRegister(instr->temp());
@@ -4770,16 +5053,12 @@ void LCodeGen::DoNumberTagD(LNumberTagD* instr) {
DeferredNumberTagD* deferred = new(zone()) DeferredNumberTagD(this, instr);
if (FLAG_inline_new) {
__ LoadRoot(scratch, Heap::kHeapNumberMapRootIndex);
- // We want the untagged address first for performance
- __ AllocateHeapNumber(reg, temp1, temp2, scratch, deferred->entry(),
- DONT_TAG_RESULT);
+ __ AllocateHeapNumber(reg, temp1, temp2, scratch, deferred->entry());
} else {
- __ jmp(deferred->entry());
+ __ b(deferred->entry());
}
__ bind(deferred->exit());
- __ vstr(input_reg, reg, HeapNumber::kValueOffset);
- // Now that we have finished with the object's real address tag it
- __ add(reg, reg, Operand(kHeapObjectTag));
+ __ stfd(input_reg, FieldMemOperand(reg, HeapNumber::kValueOffset));
}
@@ -4788,7 +5067,7 @@ void LCodeGen::DoDeferredNumberTagD(LNumberTagD* instr) {
// result register contain a valid pointer because it is already
// contained in the register pointer map.
Register reg = ToRegister(instr->result());
- __ mov(reg, Operand::Zero());
+ __ li(reg, Operand::Zero());
PushSafepointRegistersScope scope(this);
// NumberTagI and NumberTagD use the context from the frame, rather than
@@ -4796,12 +5075,11 @@ void LCodeGen::DoDeferredNumberTagD(LNumberTagD* instr) {
// They only call Runtime::kAllocateHeapNumber.
// The corresponding HChange instructions are added in a phase that does
// not have easy access to the local context.
- __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
__ CallRuntimeSaveDoubles(Runtime::kAllocateHeapNumber);
RecordSafepointWithRegisters(
instr->pointer_map(), 0, Safepoint::kNoLazyDeopt);
- __ sub(r0, r0, Operand(kHeapObjectTag));
- __ StoreToSafepointRegisterSlot(r0, reg);
+ __ StoreToSafepointRegisterSlot(r3, reg);
}
@@ -4811,27 +5089,33 @@ void LCodeGen::DoSmiTag(LSmiTag* instr) {
Register output = ToRegister(instr->result());
if (hchange->CheckFlag(HValue::kCanOverflow) &&
hchange->value()->CheckFlag(HValue::kUint32)) {
- __ tst(input, Operand(0xc0000000));
- DeoptimizeIf(ne, instr->environment());
+ __ TestUnsignedSmiCandidate(input, r0);
+ DeoptimizeIf(ne, instr->environment(), cr0);
}
+#if !V8_TARGET_ARCH_PPC64
if (hchange->CheckFlag(HValue::kCanOverflow) &&
!hchange->value()->CheckFlag(HValue::kUint32)) {
- __ SmiTag(output, input, SetCC);
- DeoptimizeIf(vs, instr->environment());
+ __ SmiTagCheckOverflow(output, input, r0);
+ DeoptimizeIf(lt, instr->environment(), cr0);
} else {
+#endif
__ SmiTag(output, input);
+#if !V8_TARGET_ARCH_PPC64
}
+#endif
}
void LCodeGen::DoSmiUntag(LSmiUntag* instr) {
+ Register scratch = scratch0();
Register input = ToRegister(instr->value());
Register result = ToRegister(instr->result());
if (instr->needs_check()) {
STATIC_ASSERT(kHeapObjectTag == 1);
- // If the input is a HeapObject, SmiUntag will set the carry flag.
- __ SmiUntag(result, input, SetCC);
- DeoptimizeIf(cs, instr->environment());
+ // If the input is a HeapObject, value of scratch won't be zero.
+ __ andi(scratch, input, Operand(kHeapObjectTag));
+ __ SmiUntag(result, input);
+ DeoptimizeIf(ne, instr->environment(), cr0);
} else {
__ SmiUntag(result, input);
}
@@ -4839,47 +5123,55 @@ void LCodeGen::DoSmiUntag(LSmiUntag* instr) {
void LCodeGen::EmitNumberUntagD(Register input_reg,
- DwVfpRegister result_reg,
+ DoubleRegister result_reg,
bool can_convert_undefined_to_nan,
bool deoptimize_on_minus_zero,
LEnvironment* env,
NumberUntagDMode mode) {
Register scratch = scratch0();
- SwVfpRegister flt_scratch = double_scratch0().low();
DCHECK(!result_reg.is(double_scratch0()));
+
Label convert, load_smi, done;
+
if (mode == NUMBER_CANDIDATE_IS_ANY_TAGGED) {
// Smi check.
__ UntagAndJumpIfSmi(scratch, input_reg, &load_smi);
+
// Heap number map check.
- __ ldr(scratch, FieldMemOperand(input_reg, HeapObject::kMapOffset));
+ __ LoadP(scratch, FieldMemOperand(input_reg, HeapObject::kMapOffset));
__ LoadRoot(ip, Heap::kHeapNumberMapRootIndex);
- __ cmp(scratch, Operand(ip));
+ __ cmp(scratch, ip);
if (can_convert_undefined_to_nan) {
- __ b(ne, &convert);
+ __ bne(&convert);
} else {
DeoptimizeIf(ne, env);
}
// load heap number
- __ vldr(result_reg, input_reg, HeapNumber::kValueOffset - kHeapObjectTag);
+ __ lfd(result_reg, FieldMemOperand(input_reg, HeapNumber::kValueOffset));
if (deoptimize_on_minus_zero) {
- __ VmovLow(scratch, result_reg);
- __ cmp(scratch, Operand::Zero());
- __ b(ne, &done);
- __ VmovHigh(scratch, result_reg);
- __ cmp(scratch, Operand(HeapNumber::kSignMask));
+#if V8_TARGET_ARCH_PPC64
+ __ MovDoubleToInt64(scratch, result_reg);
+ // rotate left by one for simple compare.
+ __ rldicl(scratch, scratch, 1, 0);
+ __ cmpi(scratch, Operand(1));
+#else
+ __ MovDoubleToInt64(scratch, ip, result_reg);
+ __ cmpi(ip, Operand::Zero());
+ __ bne(&done);
+ __ Cmpi(scratch, Operand(HeapNumber::kSignMask), r0);
+#endif
DeoptimizeIf(eq, env);
}
- __ jmp(&done);
+ __ b(&done);
if (can_convert_undefined_to_nan) {
__ bind(&convert);
// Convert undefined (and hole) to NaN.
__ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
- __ cmp(input_reg, Operand(ip));
+ __ cmp(input_reg, ip);
DeoptimizeIf(ne, env);
__ LoadRoot(scratch, Heap::kNanValueRootIndex);
- __ vldr(result_reg, scratch, HeapNumber::kValueOffset - kHeapObjectTag);
- __ jmp(&done);
+ __ lfd(result_reg, FieldMemOperand(scratch, HeapNumber::kValueOffset));
+ __ b(&done);
}
} else {
__ SmiUntag(scratch, input_reg);
@@ -4888,8 +5180,7 @@ void LCodeGen::EmitNumberUntagD(Register input_reg,
// Smi to double register conversion
__ bind(&load_smi);
// scratch: untagged value of input_reg
- __ vmov(flt_scratch, scratch);
- __ vcvt_f64_s32(result_reg, flt_scratch);
+ __ ConvertIntToDouble(scratch, result_reg);
__ bind(&done);
}
@@ -4898,30 +5189,25 @@ void LCodeGen::DoDeferredTaggedToI(LTaggedToI* instr) {
Register input_reg = ToRegister(instr->value());
Register scratch1 = scratch0();
Register scratch2 = ToRegister(instr->temp());
- LowDwVfpRegister double_scratch = double_scratch0();
- DwVfpRegister double_scratch2 = ToDoubleRegister(instr->temp2());
+ DoubleRegister double_scratch = double_scratch0();
+ DoubleRegister double_scratch2 = ToDoubleRegister(instr->temp2());
DCHECK(!scratch1.is(input_reg) && !scratch1.is(scratch2));
DCHECK(!scratch2.is(input_reg) && !scratch2.is(scratch1));
Label done;
- // The input was optimistically untagged; revert it.
- // The carry flag is set when we reach this deferred code as we just executed
- // SmiUntag(heap_object, SetCC)
- STATIC_ASSERT(kHeapObjectTag == 1);
- __ adc(scratch2, input_reg, Operand(input_reg));
-
// Heap number map check.
- __ ldr(scratch1, FieldMemOperand(scratch2, HeapObject::kMapOffset));
+ __ LoadP(scratch1, FieldMemOperand(input_reg, HeapObject::kMapOffset));
__ LoadRoot(ip, Heap::kHeapNumberMapRootIndex);
- __ cmp(scratch1, Operand(ip));
+ __ cmp(scratch1, ip);
if (instr->truncating()) {
// Performs a truncating conversion of a floating point number as used by
// the JS bitwise operations.
Label no_heap_number, check_bools, check_false;
- __ b(ne, &no_heap_number);
+ __ bne(&no_heap_number);
+ __ mr(scratch2, input_reg);
__ TruncateHeapNumberToI(input_reg, scratch2);
__ b(&done);
@@ -4929,39 +5215,44 @@ void LCodeGen::DoDeferredTaggedToI(LTaggedToI* instr) {
// for truncating conversions.
__ bind(&no_heap_number);
__ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
- __ cmp(scratch2, Operand(ip));
- __ b(ne, &check_bools);
- __ mov(input_reg, Operand::Zero());
+ __ cmp(input_reg, ip);
+ __ bne(&check_bools);
+ __ li(input_reg, Operand::Zero());
__ b(&done);
__ bind(&check_bools);
__ LoadRoot(ip, Heap::kTrueValueRootIndex);
- __ cmp(scratch2, Operand(ip));
- __ b(ne, &check_false);
- __ mov(input_reg, Operand(1));
+ __ cmp(input_reg, ip);
+ __ bne(&check_false);
+ __ li(input_reg, Operand(1));
__ b(&done);
__ bind(&check_false);
__ LoadRoot(ip, Heap::kFalseValueRootIndex);
- __ cmp(scratch2, Operand(ip));
+ __ cmp(input_reg, ip);
DeoptimizeIf(ne, instr->environment());
- __ mov(input_reg, Operand::Zero());
- __ b(&done);
+ __ li(input_reg, Operand::Zero());
} else {
// Deoptimize if we don't have a heap number.
DeoptimizeIf(ne, instr->environment());
- __ sub(ip, scratch2, Operand(kHeapObjectTag));
- __ vldr(double_scratch2, ip, HeapNumber::kValueOffset);
- __ TryDoubleToInt32Exact(input_reg, double_scratch2, double_scratch);
+ __ lfd(double_scratch2,
+ FieldMemOperand(input_reg, HeapNumber::kValueOffset));
+ if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
+ // preserve heap number pointer in scratch2 for minus zero check below
+ __ mr(scratch2, input_reg);
+ }
+ __ TryDoubleToInt32Exact(input_reg, double_scratch2,
+ scratch1, double_scratch);
DeoptimizeIf(ne, instr->environment());
if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
- __ cmp(input_reg, Operand::Zero());
- __ b(ne, &done);
- __ VmovHigh(scratch1, double_scratch2);
- __ tst(scratch1, Operand(HeapNumber::kSignMask));
- DeoptimizeIf(ne, instr->environment());
+ __ cmpi(input_reg, Operand::Zero());
+ __ bne(&done);
+ __ lwz(scratch1, FieldMemOperand(scratch2, HeapNumber::kValueOffset +
+ Register::kExponentOffset));
+ __ cmpwi(scratch1, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
}
}
__ bind(&done);
@@ -4992,12 +5283,10 @@ void LCodeGen::DoTaggedToI(LTaggedToI* instr) {
} else {
DeferredTaggedToI* deferred = new(zone()) DeferredTaggedToI(this, instr);
- // Optimistically untag the input.
- // If the input is a HeapObject, SmiUntag will set the carry flag.
- __ SmiUntag(input_reg, SetCC);
- // Branch to deferred code if the input was tagged.
- // The deferred code will take care of restoring the tag.
- __ b(cs, deferred->entry());
+ // Branch to deferred code if the input is a HeapObject.
+ __ JumpIfNotSmi(input_reg, deferred->entry());
+
+ __ SmiUntag(input_reg);
__ bind(deferred->exit());
}
}
@@ -5010,7 +5299,7 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
DCHECK(result->IsDoubleRegister());
Register input_reg = ToRegister(input);
- DwVfpRegister result_reg = ToDoubleRegister(result);
+ DoubleRegister result_reg = ToDoubleRegister(result);
HValue* value = instr->hydrogen()->value();
NumberUntagDMode mode = value->representation().IsSmi()
@@ -5027,22 +5316,27 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
Register result_reg = ToRegister(instr->result());
Register scratch1 = scratch0();
- DwVfpRegister double_input = ToDoubleRegister(instr->value());
- LowDwVfpRegister double_scratch = double_scratch0();
+ DoubleRegister double_input = ToDoubleRegister(instr->value());
+ DoubleRegister double_scratch = double_scratch0();
if (instr->truncating()) {
__ TruncateDoubleToI(result_reg, double_input);
} else {
- __ TryDoubleToInt32Exact(result_reg, double_input, double_scratch);
+ __ TryDoubleToInt32Exact(result_reg, double_input,
+ scratch1, double_scratch);
// Deoptimize if the input wasn't a int32 (inside a double).
DeoptimizeIf(ne, instr->environment());
if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
Label done;
- __ cmp(result_reg, Operand::Zero());
- __ b(ne, &done);
- __ VmovHigh(scratch1, double_input);
- __ tst(scratch1, Operand(HeapNumber::kSignMask));
- DeoptimizeIf(ne, instr->environment());
+ __ cmpi(result_reg, Operand::Zero());
+ __ bne(&done);
+#if V8_TARGET_ARCH_PPC64
+ __ MovDoubleToInt64(scratch1, double_input);
+#else
+ __ MovDoubleHighToInt(scratch1, double_input);
+#endif
+ __ cmpi(scratch1, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
__ bind(&done);
}
}
@@ -5052,42 +5346,51 @@ void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
void LCodeGen::DoDoubleToSmi(LDoubleToSmi* instr) {
Register result_reg = ToRegister(instr->result());
Register scratch1 = scratch0();
- DwVfpRegister double_input = ToDoubleRegister(instr->value());
- LowDwVfpRegister double_scratch = double_scratch0();
+ DoubleRegister double_input = ToDoubleRegister(instr->value());
+ DoubleRegister double_scratch = double_scratch0();
if (instr->truncating()) {
__ TruncateDoubleToI(result_reg, double_input);
} else {
- __ TryDoubleToInt32Exact(result_reg, double_input, double_scratch);
+ __ TryDoubleToInt32Exact(result_reg, double_input,
+ scratch1, double_scratch);
// Deoptimize if the input wasn't a int32 (inside a double).
DeoptimizeIf(ne, instr->environment());
if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
Label done;
- __ cmp(result_reg, Operand::Zero());
- __ b(ne, &done);
- __ VmovHigh(scratch1, double_input);
- __ tst(scratch1, Operand(HeapNumber::kSignMask));
- DeoptimizeIf(ne, instr->environment());
+ __ cmpi(result_reg, Operand::Zero());
+ __ bne(&done);
+#if V8_TARGET_ARCH_PPC64
+ __ MovDoubleToInt64(scratch1, double_input);
+#else
+ __ MovDoubleHighToInt(scratch1, double_input);
+#endif
+ __ cmpi(scratch1, Operand::Zero());
+ DeoptimizeIf(lt, instr->environment());
__ bind(&done);
}
}
- __ SmiTag(result_reg, SetCC);
- DeoptimizeIf(vs, instr->environment());
+#if V8_TARGET_ARCH_PPC64
+ __ SmiTag(result_reg);
+#else
+ __ SmiTagCheckOverflow(result_reg, r0);
+ DeoptimizeIf(lt, instr->environment(), cr0);
+#endif
}
void LCodeGen::DoCheckSmi(LCheckSmi* instr) {
LOperand* input = instr->value();
- __ SmiTst(ToRegister(input));
- DeoptimizeIf(ne, instr->environment());
+ __ TestIfSmi(ToRegister(input), r0);
+ DeoptimizeIf(ne, instr->environment(), cr0);
}
void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) {
if (!instr->hydrogen()->value()->type().IsHeapObject()) {
LOperand* input = instr->value();
- __ SmiTst(ToRegister(input));
- DeoptimizeIf(eq, instr->environment());
+ __ TestIfSmi(ToRegister(input), r0);
+ DeoptimizeIf(eq, instr->environment(), cr0);
}
}
@@ -5096,25 +5399,25 @@ void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
Register input = ToRegister(instr->value());
Register scratch = scratch0();
- __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
- __ ldrb(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
+ __ LoadP(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ lbz(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
if (instr->hydrogen()->is_interval_check()) {
InstanceType first;
InstanceType last;
instr->hydrogen()->GetCheckInterval(&first, &last);
- __ cmp(scratch, Operand(first));
+ __ cmpli(scratch, Operand(first));
// If there is only one type in the interval check for equality.
if (first == last) {
DeoptimizeIf(ne, instr->environment());
} else {
- DeoptimizeIf(lo, instr->environment());
+ DeoptimizeIf(lt, instr->environment());
// Omit check for the last type.
if (last != LAST_TYPE) {
- __ cmp(scratch, Operand(last));
- DeoptimizeIf(hi, instr->environment());
+ __ cmpli(scratch, Operand(last));
+ DeoptimizeIf(gt, instr->environment());
}
}
} else {
@@ -5124,11 +5427,11 @@ void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
if (IsPowerOf2(mask)) {
DCHECK(tag == 0 || IsPowerOf2(tag));
- __ tst(scratch, Operand(mask));
- DeoptimizeIf(tag == 0 ? ne : eq, instr->environment());
+ __ andi(r0, scratch, Operand(mask));
+ DeoptimizeIf(tag == 0 ? ne : eq, instr->environment(), cr0);
} else {
- __ and_(scratch, scratch, Operand(mask));
- __ cmp(scratch, Operand(tag));
+ __ andi(scratch, scratch, Operand(mask));
+ __ cmpi(scratch, Operand(tag));
DeoptimizeIf(ne, instr->environment());
}
}
@@ -5143,10 +5446,10 @@ void LCodeGen::DoCheckValue(LCheckValue* instr) {
Register reg = ToRegister(instr->value());
Handle<Cell> cell = isolate()->factory()->NewCell(object);
__ mov(ip, Operand(Handle<Object>(cell)));
- __ ldr(ip, FieldMemOperand(ip, Cell::kValueOffset));
+ __ LoadP(ip, FieldMemOperand(ip, Cell::kValueOffset));
__ cmp(reg, ip);
} else {
- __ cmp(reg, Operand(object));
+ __ Cmpi(reg, Operand(object), r0);
}
DeoptimizeIf(ne, instr->environment());
}
@@ -5156,14 +5459,14 @@ void LCodeGen::DoDeferredInstanceMigration(LCheckMaps* instr, Register object) {
{
PushSafepointRegistersScope scope(this);
__ push(object);
- __ mov(cp, Operand::Zero());
+ __ li(cp, Operand::Zero());
__ CallRuntimeSaveDoubles(Runtime::kTryMigrateInstance);
RecordSafepointWithRegisters(
instr->pointer_map(), 1, Safepoint::kNoLazyDeopt);
- __ StoreToSafepointRegisterSlot(r0, scratch0());
+ __ StoreToSafepointRegisterSlot(r3, scratch0());
}
- __ tst(scratch0(), Operand(kSmiTagMask));
- DeoptimizeIf(eq, instr->environment());
+ __ TestIfSmi(scratch0(), r0);
+ DeoptimizeIf(eq, instr->environment(), cr0);
}
@@ -5199,7 +5502,7 @@ void LCodeGen::DoCheckMaps(LCheckMaps* instr) {
DCHECK(input->IsRegister());
Register reg = ToRegister(input);
- __ ldr(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
+ __ LoadP(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
DeferredCheckMaps* deferred = NULL;
if (instr->hydrogen()->HasMigrationTarget()) {
@@ -5212,13 +5515,13 @@ void LCodeGen::DoCheckMaps(LCheckMaps* instr) {
for (int i = 0; i < maps->size() - 1; i++) {
Handle<Map> map = maps->at(i).handle();
__ CompareMap(map_reg, map, &success);
- __ b(eq, &success);
+ __ beq(&success);
}
Handle<Map> map = maps->at(maps->size() - 1).handle();
__ CompareMap(map_reg, map, &success);
if (instr->hydrogen()->HasMigrationTarget()) {
- __ b(ne, deferred->entry());
+ __ bne(deferred->entry());
} else {
DeoptimizeIf(ne, instr->environment());
}
@@ -5228,7 +5531,7 @@ void LCodeGen::DoCheckMaps(LCheckMaps* instr) {
void LCodeGen::DoClampDToUint8(LClampDToUint8* instr) {
- DwVfpRegister value_reg = ToDoubleRegister(instr->unclamped());
+ DoubleRegister value_reg = ToDoubleRegister(instr->unclamped());
Register result_reg = ToRegister(instr->result());
__ ClampDoubleToUint8(result_reg, value_reg, double_scratch0());
}
@@ -5245,29 +5548,29 @@ void LCodeGen::DoClampTToUint8(LClampTToUint8* instr) {
Register scratch = scratch0();
Register input_reg = ToRegister(instr->unclamped());
Register result_reg = ToRegister(instr->result());
- DwVfpRegister temp_reg = ToDoubleRegister(instr->temp());
+ DoubleRegister temp_reg = ToDoubleRegister(instr->temp());
Label is_smi, done, heap_number;
// Both smi and heap number cases are handled.
__ UntagAndJumpIfSmi(result_reg, input_reg, &is_smi);
// Check for heap number
- __ ldr(scratch, FieldMemOperand(input_reg, HeapObject::kMapOffset));
- __ cmp(scratch, Operand(factory()->heap_number_map()));
- __ b(eq, &heap_number);
+ __ LoadP(scratch, FieldMemOperand(input_reg, HeapObject::kMapOffset));
+ __ Cmpi(scratch, Operand(factory()->heap_number_map()), r0);
+ __ beq(&heap_number);
// Check for undefined. Undefined is converted to zero for clamping
// conversions.
- __ cmp(input_reg, Operand(factory()->undefined_value()));
+ __ Cmpi(input_reg, Operand(factory()->undefined_value()), r0);
DeoptimizeIf(ne, instr->environment());
- __ mov(result_reg, Operand::Zero());
- __ jmp(&done);
+ __ li(result_reg, Operand::Zero());
+ __ b(&done);
// Heap number
__ bind(&heap_number);
- __ vldr(temp_reg, FieldMemOperand(input_reg, HeapNumber::kValueOffset));
+ __ lfd(temp_reg, FieldMemOperand(input_reg, HeapNumber::kValueOffset));
__ ClampDoubleToUint8(result_reg, temp_reg, double_scratch0());
- __ jmp(&done);
+ __ b(&done);
// smi
__ bind(&is_smi);
@@ -5278,12 +5581,13 @@ void LCodeGen::DoClampTToUint8(LClampTToUint8* instr) {
void LCodeGen::DoDoubleBits(LDoubleBits* instr) {
- DwVfpRegister value_reg = ToDoubleRegister(instr->value());
+ DoubleRegister value_reg = ToDoubleRegister(instr->value());
Register result_reg = ToRegister(instr->result());
+
if (instr->hydrogen()->bits() == HDoubleBits::HIGH) {
- __ VmovHigh(result_reg, value_reg);
+ __ MovDoubleHighToInt(result_reg, value_reg);
} else {
- __ VmovLow(result_reg, value_reg);
+ __ MovDoubleLowToInt(result_reg, value_reg);
}
}
@@ -5291,9 +5595,12 @@ void LCodeGen::DoDoubleBits(LDoubleBits* instr) {
void LCodeGen::DoConstructDouble(LConstructDouble* instr) {
Register hi_reg = ToRegister(instr->hi());
Register lo_reg = ToRegister(instr->lo());
- DwVfpRegister result_reg = ToDoubleRegister(instr->result());
- __ VmovHigh(result_reg, hi_reg);
- __ VmovLow(result_reg, lo_reg);
+ DoubleRegister result_reg = ToDoubleRegister(instr->result());
+#if V8_TARGET_ARCH_PPC64
+ __ MovInt64ComponentsToDouble(result_reg, hi_reg, lo_reg, r0);
+#else
+ __ MovInt64ToDouble(result_reg, hi_reg, lo_reg);
+#endif
}
@@ -5336,11 +5643,16 @@ void LCodeGen::DoAllocate(LAllocate* instr) {
if (size <= Page::kMaxRegularHeapObjectSize) {
__ Allocate(size, result, scratch, scratch2, deferred->entry(), flags);
} else {
- __ jmp(deferred->entry());
+ __ b(deferred->entry());
}
} else {
Register size = ToRegister(instr->size());
- __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags);
+ __ Allocate(size,
+ result,
+ scratch,
+ scratch2,
+ deferred->entry(),
+ flags);
}
__ bind(deferred->exit());
@@ -5349,16 +5661,17 @@ void LCodeGen::DoAllocate(LAllocate* instr) {
STATIC_ASSERT(kHeapObjectTag == 1);
if (instr->size()->IsConstantOperand()) {
int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
- __ mov(scratch, Operand(size - kHeapObjectTag));
+ __ LoadIntLiteral(scratch, size - kHeapObjectTag);
} else {
- __ sub(scratch, ToRegister(instr->size()), Operand(kHeapObjectTag));
+ __ subi(scratch, ToRegister(instr->size()), Operand(kHeapObjectTag));
}
__ mov(scratch2, Operand(isolate()->factory()->one_pointer_filler_map()));
Label loop;
__ bind(&loop);
- __ sub(scratch, scratch, Operand(kPointerSize), SetCC);
- __ str(scratch2, MemOperand(result, scratch));
- __ b(ge, &loop);
+ __ subi(scratch, scratch, Operand(kPointerSize));
+ __ StorePX(scratch2, MemOperand(result, scratch));
+ __ cmpi(scratch, Operand::Zero());
+ __ bge(&loop);
}
}
@@ -5369,7 +5682,7 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
// TODO(3095996): Get rid of this. For now, we need to make the
// result register contain a valid pointer because it is already
// contained in the register pointer map.
- __ mov(result, Operand(Smi::FromInt(0)));
+ __ LoadSmiLiteral(result, Smi::FromInt(0));
PushSafepointRegistersScope scope(this);
if (instr->size()->IsRegister()) {
@@ -5379,13 +5692,17 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
__ push(size);
} else {
int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
+#if !V8_TARGET_ARCH_PPC64
if (size >= 0 && size <= Smi::kMaxValue) {
+#endif
__ Push(Smi::FromInt(size));
+#if !V8_TARGET_ARCH_PPC64
} else {
// We should never get here at runtime => abort
__ stop("invalid allocation size");
return;
}
+#endif
}
int flags = AllocateDoubleAlignFlag::encode(
@@ -5404,13 +5721,13 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
CallRuntimeFromDeferred(
Runtime::kAllocateInTargetSpace, 2, instr, instr->context());
- __ StoreToSafepointRegisterSlot(r0, result);
+ __ StoreToSafepointRegisterSlot(r3, result);
}
void LCodeGen::DoToFastProperties(LToFastProperties* instr) {
- DCHECK(ToRegister(instr->value()).is(r0));
- __ push(r0);
+ DCHECK(ToRegister(instr->value()).is(r3));
+ __ push(r3);
CallRuntime(Runtime::kToFastProperties, 1, instr);
}
@@ -5419,43 +5736,43 @@ void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
DCHECK(ToRegister(instr->context()).is(cp));
Label materialized;
// Registers will be used as follows:
- // r6 = literals array.
- // r1 = regexp literal.
- // r0 = regexp literal clone.
- // r2-5 are used as temporaries.
+ // r10 = literals array.
+ // r4 = regexp literal.
+ // r3 = regexp literal clone.
+ // r5 and r7-r9 are used as temporaries.
int literal_offset =
FixedArray::OffsetOfElementAt(instr->hydrogen()->literal_index());
- __ Move(r6, instr->hydrogen()->literals());
- __ ldr(r1, FieldMemOperand(r6, literal_offset));
+ __ Move(r10, instr->hydrogen()->literals());
+ __ LoadP(r4, FieldMemOperand(r10, literal_offset));
__ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
- __ cmp(r1, ip);
- __ b(ne, &materialized);
+ __ cmp(r4, ip);
+ __ bne(&materialized);
// Create regexp literal using runtime function
- // Result will be in r0.
- __ mov(r5, Operand(Smi::FromInt(instr->hydrogen()->literal_index())));
- __ mov(r4, Operand(instr->hydrogen()->pattern()));
- __ mov(r3, Operand(instr->hydrogen()->flags()));
- __ Push(r6, r5, r4, r3);
+ // Result will be in r3.
+ __ LoadSmiLiteral(r9, Smi::FromInt(instr->hydrogen()->literal_index()));
+ __ mov(r8, Operand(instr->hydrogen()->pattern()));
+ __ mov(r7, Operand(instr->hydrogen()->flags()));
+ __ Push(r10, r9, r8, r7);
CallRuntime(Runtime::kMaterializeRegExpLiteral, 4, instr);
- __ mov(r1, r0);
+ __ mr(r4, r3);
__ bind(&materialized);
int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize;
Label allocated, runtime_allocate;
- __ Allocate(size, r0, r2, r3, &runtime_allocate, TAG_OBJECT);
- __ jmp(&allocated);
+ __ Allocate(size, r3, r5, r6, &runtime_allocate, TAG_OBJECT);
+ __ b(&allocated);
__ bind(&runtime_allocate);
- __ mov(r0, Operand(Smi::FromInt(size)));
- __ Push(r1, r0);
+ __ LoadSmiLiteral(r3, Smi::FromInt(size));
+ __ Push(r4, r3);
CallRuntime(Runtime::kAllocateInNewSpace, 1, instr);
- __ pop(r1);
+ __ pop(r4);
__ bind(&allocated);
// Copy the content into the newly allocated memory.
- __ CopyFields(r0, r1, double_scratch0(), size / kPointerSize);
+ __ CopyFields(r3, r4, r5.bit(), size / kPointerSize);
}
@@ -5468,13 +5785,13 @@ void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
FastNewClosureStub stub(isolate(),
instr->hydrogen()->strict_mode(),
instr->hydrogen()->is_generator());
- __ mov(r2, Operand(instr->hydrogen()->shared_info()));
+ __ mov(r5, Operand(instr->hydrogen()->shared_info()));
CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
} else {
- __ mov(r2, Operand(instr->hydrogen()->shared_info()));
- __ mov(r1, Operand(pretenure ? factory()->true_value()
- : factory()->false_value()));
- __ Push(cp, r2, r1);
+ __ mov(r5, Operand(instr->hydrogen()->shared_info()));
+ __ mov(r4, Operand(pretenure ? factory()->true_value()
+ : factory()->false_value()));
+ __ Push(cp, r5, r4);
CallRuntime(Runtime::kNewClosure, 3, instr);
}
}
@@ -5509,16 +5826,17 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
Factory* factory = isolate()->factory();
if (String::Equals(type_name, factory->number_string())) {
__ JumpIfSmi(input, true_label);
- __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ LoadP(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
__ CompareRoot(scratch, Heap::kHeapNumberMapRootIndex);
final_branch_condition = eq;
} else if (String::Equals(type_name, factory->string_string())) {
__ JumpIfSmi(input, false_label);
__ CompareObjectType(input, scratch, no_reg, FIRST_NONSTRING_TYPE);
- __ b(ge, false_label);
- __ ldrb(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset));
- __ tst(scratch, Operand(1 << Map::kIsUndetectable));
+ __ bge(false_label);
+ __ lbz(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset));
+ __ ExtractBit(r0, scratch, Map::kIsUndetectable);
+ __ cmpi(r0, Operand::Zero());
final_branch_condition = eq;
} else if (String::Equals(type_name, factory->symbol_string())) {
@@ -5528,18 +5846,19 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
} else if (String::Equals(type_name, factory->boolean_string())) {
__ CompareRoot(input, Heap::kTrueValueRootIndex);
- __ b(eq, true_label);
+ __ beq(true_label);
__ CompareRoot(input, Heap::kFalseValueRootIndex);
final_branch_condition = eq;
} else if (String::Equals(type_name, factory->undefined_string())) {
__ CompareRoot(input, Heap::kUndefinedValueRootIndex);
- __ b(eq, true_label);
+ __ beq(true_label);
__ JumpIfSmi(input, false_label);
// Check for undetectable objects => true.
- __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
- __ ldrb(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset));
- __ tst(scratch, Operand(1 << Map::kIsUndetectable));
+ __ LoadP(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
+ __ lbz(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset));
+ __ ExtractBit(r0, scratch, Map::kIsUndetectable);
+ __ cmpi(r0, Operand::Zero());
final_branch_condition = ne;
} else if (String::Equals(type_name, factory->function_string())) {
@@ -5547,23 +5866,24 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
Register type_reg = scratch;
__ JumpIfSmi(input, false_label);
__ CompareObjectType(input, scratch, type_reg, JS_FUNCTION_TYPE);
- __ b(eq, true_label);
- __ cmp(type_reg, Operand(JS_FUNCTION_PROXY_TYPE));
+ __ beq(true_label);
+ __ cmpi(type_reg, Operand(JS_FUNCTION_PROXY_TYPE));
final_branch_condition = eq;
} else if (String::Equals(type_name, factory->object_string())) {
Register map = scratch;
__ JumpIfSmi(input, false_label);
__ CompareRoot(input, Heap::kNullValueRootIndex);
- __ b(eq, true_label);
+ __ beq(true_label);
__ CheckObjectTypeRange(input,
map,
FIRST_NONCALLABLE_SPEC_OBJECT_TYPE,
LAST_NONCALLABLE_SPEC_OBJECT_TYPE,
false_label);
// Check for undetectable objects => false.
- __ ldrb(scratch, FieldMemOperand(map, Map::kBitFieldOffset));
- __ tst(scratch, Operand(1 << Map::kIsUndetectable));
+ __ lbz(scratch, FieldMemOperand(map, Map::kBitFieldOffset));
+ __ ExtractBit(r0, scratch, Map::kIsUndetectable);
+ __ cmpi(r0, Operand::Zero());
final_branch_condition = eq;
} else {
@@ -5585,16 +5905,19 @@ void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) {
void LCodeGen::EmitIsConstructCall(Register temp1, Register temp2) {
DCHECK(!temp1.is(temp2));
// Get the frame pointer for the calling frame.
- __ ldr(temp1, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ LoadP(temp1, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
// Skip the arguments adaptor frame if it exists.
- __ ldr(temp2, MemOperand(temp1, StandardFrameConstants::kContextOffset));
- __ cmp(temp2, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
- __ ldr(temp1, MemOperand(temp1, StandardFrameConstants::kCallerFPOffset), eq);
+ Label check_frame_marker;
+ __ LoadP(temp2, MemOperand(temp1, StandardFrameConstants::kContextOffset));
+ __ CmpSmiLiteral(temp2, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
+ __ bne(&check_frame_marker);
+ __ LoadP(temp1, MemOperand(temp1, StandardFrameConstants::kCallerFPOffset));
// Check the marker in the calling frame.
- __ ldr(temp1, MemOperand(temp1, StandardFrameConstants::kMarkerOffset));
- __ cmp(temp1, Operand(Smi::FromInt(StackFrame::CONSTRUCT)));
+ __ bind(&check_frame_marker);
+ __ LoadP(temp1, MemOperand(temp1, StandardFrameConstants::kMarkerOffset));
+ __ CmpSmiLiteral(temp1, Smi::FromInt(StackFrame::CONSTRUCT), r0);
}
@@ -5604,8 +5927,6 @@ void LCodeGen::EnsureSpaceForLazyDeopt(int space_needed) {
// instruction for patching the code here.
int current_pc = masm()->pc_offset();
if (current_pc < last_lazy_deopt_pc_ + space_needed) {
- // Block literal pool emission for duration of padding.
- Assembler::BlockConstPoolScope block_const_pool(masm());
int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
DCHECK_EQ(0, padding_size % Assembler::kInstrSize);
while (padding_size > 0) {
@@ -5685,14 +6006,13 @@ void LCodeGen::DoStackCheck(LStackCheck* instr) {
// Perform stack overflow check.
Label done;
__ LoadRoot(ip, Heap::kStackLimitRootIndex);
- __ cmp(sp, Operand(ip));
- __ b(hs, &done);
- Handle<Code> stack_check = isolate()->builtins()->StackCheck();
- PredictableCodeSizeScope predictable(masm(),
- CallCodeSize(stack_check, RelocInfo::CODE_TARGET));
+ __ cmpl(sp, ip);
+ __ bge(&done);
DCHECK(instr->context()->IsRegister());
DCHECK(ToRegister(instr->context()).is(cp));
- CallCode(stack_check, RelocInfo::CODE_TARGET, instr);
+ CallCode(isolate()->builtins()->StackCheck(),
+ RelocInfo::CODE_TARGET,
+ instr);
__ bind(&done);
} else {
DCHECK(instr->hydrogen()->is_backwards_branch());
@@ -5700,8 +6020,8 @@ void LCodeGen::DoStackCheck(LStackCheck* instr) {
DeferredStackCheck* deferred_stack_check =
new(zone()) DeferredStackCheck(this, instr);
__ LoadRoot(ip, Heap::kStackLimitRootIndex);
- __ cmp(sp, Operand(ip));
- __ b(lo, deferred_stack_check->entry());
+ __ cmpl(sp, ip);
+ __ blt(deferred_stack_check->entry());
EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
__ bind(instr->done_label());
deferred_stack_check->SetExit(instr->done_label());
@@ -5730,35 +6050,35 @@ void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
void LCodeGen::DoForInPrepareMap(LForInPrepareMap* instr) {
__ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
- __ cmp(r0, ip);
+ __ cmp(r3, ip);
DeoptimizeIf(eq, instr->environment());
- Register null_value = r5;
+ Register null_value = r8;
__ LoadRoot(null_value, Heap::kNullValueRootIndex);
- __ cmp(r0, null_value);
+ __ cmp(r3, null_value);
DeoptimizeIf(eq, instr->environment());
- __ SmiTst(r0);
- DeoptimizeIf(eq, instr->environment());
+ __ TestIfSmi(r3, r0);
+ DeoptimizeIf(eq, instr->environment(), cr0);
STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE);
- __ CompareObjectType(r0, r1, r1, LAST_JS_PROXY_TYPE);
+ __ CompareObjectType(r3, r4, r4, LAST_JS_PROXY_TYPE);
DeoptimizeIf(le, instr->environment());
Label use_cache, call_runtime;
__ CheckEnumCache(null_value, &call_runtime);
- __ ldr(r0, FieldMemOperand(r0, HeapObject::kMapOffset));
+ __ LoadP(r3, FieldMemOperand(r3, HeapObject::kMapOffset));
__ b(&use_cache);
// Get the set of properties to enumerate.
__ bind(&call_runtime);
- __ push(r0);
+ __ push(r3);
CallRuntime(Runtime::kGetPropertyNamesFast, 1, instr);
- __ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
+ __ LoadP(r4, FieldMemOperand(r3, HeapObject::kMapOffset));
__ LoadRoot(ip, Heap::kMetaMapRootIndex);
- __ cmp(r1, ip);
+ __ cmp(r4, ip);
DeoptimizeIf(ne, instr->environment());
__ bind(&use_cache);
}
@@ -5769,18 +6089,18 @@ void LCodeGen::DoForInCacheArray(LForInCacheArray* instr) {
Register result = ToRegister(instr->result());
Label load_cache, done;
__ EnumLength(result, map);
- __ cmp(result, Operand(Smi::FromInt(0)));
- __ b(ne, &load_cache);
+ __ CmpSmiLiteral(result, Smi::FromInt(0), r0);
+ __ bne(&load_cache);
__ mov(result, Operand(isolate()->factory()->empty_fixed_array()));
- __ jmp(&done);
+ __ b(&done);
__ bind(&load_cache);
__ LoadInstanceDescriptors(map, result);
- __ ldr(result,
- FieldMemOperand(result, DescriptorArray::kEnumCacheOffset));
- __ ldr(result,
- FieldMemOperand(result, FixedArray::SizeFor(instr->idx())));
- __ cmp(result, Operand::Zero());
+ __ LoadP(result,
+ FieldMemOperand(result, DescriptorArray::kEnumCacheOffset));
+ __ LoadP(result,
+ FieldMemOperand(result, FixedArray::SizeFor(instr->idx())));
+ __ cmpi(result, Operand::Zero());
DeoptimizeIf(eq, instr->environment());
__ bind(&done);
@@ -5790,7 +6110,7 @@ void LCodeGen::DoForInCacheArray(LForInCacheArray* instr) {
void LCodeGen::DoCheckMapValue(LCheckMapValue* instr) {
Register object = ToRegister(instr->value());
Register map = ToRegister(instr->map());
- __ ldr(scratch0(), FieldMemOperand(object, HeapObject::kMapOffset));
+ __ LoadP(scratch0(), FieldMemOperand(object, HeapObject::kMapOffset));
__ cmp(map, scratch0());
DeoptimizeIf(ne, instr->environment());
}
@@ -5801,13 +6121,12 @@ void LCodeGen::DoDeferredLoadMutableDouble(LLoadFieldByIndex* instr,
Register object,
Register index) {
PushSafepointRegistersScope scope(this);
- __ Push(object);
- __ Push(index);
- __ mov(cp, Operand::Zero());
+ __ Push(object, index);
+ __ li(cp, Operand::Zero());
__ CallRuntimeSaveDoubles(Runtime::kLoadMutableDouble);
RecordSafepointWithRegisters(
instr->pointer_map(), 2, Safepoint::kNoLazyDeopt);
- __ StoreToSafepointRegisterSlot(r0, result);
+ __ StoreToSafepointRegisterSlot(r3, result);
}
@@ -5847,25 +6166,26 @@ void LCodeGen::DoLoadFieldByIndex(LLoadFieldByIndex* instr) {
Label out_of_object, done;
- __ tst(index, Operand(Smi::FromInt(1)));
- __ b(ne, deferred->entry());
- __ mov(index, Operand(index, ASR, 1));
+ __ TestBitMask(index, reinterpret_cast<uintptr_t>(Smi::FromInt(1)), r0);
+ __ bne(deferred->entry(), cr0);
+ __ ShiftRightArithImm(index, index, 1);
- __ cmp(index, Operand::Zero());
- __ b(lt, &out_of_object);
+ __ cmpi(index, Operand::Zero());
+ __ blt(&out_of_object);
- __ add(scratch, object, Operand::PointerOffsetFromSmiKey(index));
- __ ldr(result, FieldMemOperand(scratch, JSObject::kHeaderSize));
+ __ SmiToPtrArrayOffset(r0, index);
+ __ add(scratch, object, r0);
+ __ LoadP(result, FieldMemOperand(scratch, JSObject::kHeaderSize));
__ b(&done);
__ bind(&out_of_object);
- __ ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset));
+ __ LoadP(result, FieldMemOperand(object, JSObject::kPropertiesOffset));
// Index is equal to negated out of object property index plus 1.
- STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize < kPointerSizeLog2);
- __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index));
- __ ldr(result, FieldMemOperand(scratch,
- FixedArray::kHeaderSize - kPointerSize));
+ __ SmiToPtrArrayOffset(r0, index);
+ __ sub(scratch, result, r0);
+ __ LoadP(result, FieldMemOperand(scratch,
+ FixedArray::kHeaderSize - kPointerSize));
__ bind(deferred->exit());
__ bind(&done);
}
@@ -5873,7 +6193,7 @@ void LCodeGen::DoLoadFieldByIndex(LLoadFieldByIndex* instr) {
void LCodeGen::DoStoreFrameContext(LStoreFrameContext* instr) {
Register context = ToRegister(instr->context());
- __ str(context, MemOperand(fp, StandardFrameConstants::kContextOffset));
+ __ StoreP(context, MemOperand(fp, StandardFrameConstants::kContextOffset));
}
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