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Unified Diff: src/IceInstX8632.cpp

Issue 1216933015: X8632 Templatization completed. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Addresses comments. Created 5 years, 5 months ago
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Index: src/IceInstX8632.cpp
diff --git a/src/IceInstX8632.cpp b/src/IceInstX8632.cpp
index fd33c55c534644009c491e6d55e79d612c558f0b..c6d6abf46b2a439395e3078e74a247c880687533 100644
--- a/src/IceInstX8632.cpp
+++ b/src/IceInstX8632.cpp
@@ -8,2912 +8,103 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// This file implements the InstX8632 and OperandX8632 classes,
-/// primarily the constructors and the dump()/emit() methods.
+/// This file defines X8632 specific data related to X8632 Instructions and
+/// Instruction traits. These are declared in the IceTargetLoweringX8632Traits.h
+/// header file.
///
-//===----------------------------------------------------------------------===//
-
-#include "IceInstX8632.h"
-
-#include "IceAssemblerX8632.h"
-#include "IceCfg.h"
-#include "IceCfgNode.h"
-#include "IceConditionCodesX8632.h"
-#include "IceInst.h"
-#include "IceRegistersX8632.h"
-#include "IceTargetLoweringX8632.h"
-#include "IceOperand.h"
-
-namespace Ice {
-
-namespace {
-
-const struct InstX8632BrAttributes_ {
- X8632::Traits::Cond::BrCond Opposite;
- const char *DisplayString;
- const char *EmitString;
-} InstX8632BrAttributes[] = {
-#define X(tag, encode, opp, dump, emit) \
- { X8632::Traits::Cond::opp, dump, emit } \
- ,
- ICEINSTX8632BR_TABLE
-#undef X
-};
-
-const struct InstX8632CmppsAttributes_ {
- const char *EmitString;
-} InstX8632CmppsAttributes[] = {
-#define X(tag, emit) \
- { emit } \
- ,
- ICEINSTX8632CMPPS_TABLE
-#undef X
-};
-
-const struct TypeX8632Attributes_ {
- const char *CvtString; // i (integer), s (single FP), d (double FP)
- const char *SdSsString; // ss, sd, or <blank>
- const char *PackString; // b, w, d, or <blank>
- const char *WidthString; // b, w, l, q, or <blank>
- const char *FldString; // s, l, or <blank>
-} TypeX8632Attributes[] = {
-#define X(tag, elementty, cvt, sdss, pack, width, fld) \
- { cvt, sdss, pack, width, fld } \
- ,
- ICETYPEX8632_TABLE
-#undef X
-};
-
-const char *InstX8632SegmentRegNames[] = {
-#define X(val, name, prefix) name,
- SEG_REGX8632_TABLE
-#undef X
-};
-
-uint8_t InstX8632SegmentPrefixes[] = {
-#define X(val, name, prefix) prefix,
- SEG_REGX8632_TABLE
-#undef X
-};
-
-} // end of anonymous namespace
-
-const char *InstX8632::getWidthString(Type Ty) {
- return TypeX8632Attributes[Ty].WidthString;
-}
-
-const char *InstX8632::getFldString(Type Ty) {
- return TypeX8632Attributes[Ty].FldString;
-}
-
-X8632::Traits::Cond::BrCond
-InstX8632::getOppositeCondition(X8632::Traits::Cond::BrCond Cond) {
- return InstX8632BrAttributes[Cond].Opposite;
-}
-
-OperandX8632Mem::OperandX8632Mem(Cfg *Func, Type Ty, Variable *Base,
- Constant *Offset, Variable *Index,
- uint16_t Shift, SegmentRegisters SegmentReg)
- : OperandX8632(kMem, Ty), Base(Base), Offset(Offset), Index(Index),
- Shift(Shift), SegmentReg(SegmentReg), Randomized(false) {
- assert(Shift <= 3);
- Vars = nullptr;
- NumVars = 0;
- if (Base)
- ++NumVars;
- if (Index)
- ++NumVars;
- if (NumVars) {
- Vars = Func->allocateArrayOf<Variable *>(NumVars);
- SizeT I = 0;
- if (Base)
- Vars[I++] = Base;
- if (Index)
- Vars[I++] = Index;
- assert(I == NumVars);
- }
-}
-
-InstX8632FakeRMW::InstX8632FakeRMW(Cfg *Func, Operand *Data, Operand *Addr,
- InstArithmetic::OpKind Op, Variable *Beacon)
- : InstX8632(Func, InstX8632::FakeRMW, 3, nullptr), Op(Op) {
- addSource(Data);
- addSource(Addr);
- addSource(Beacon);
-}
-
-InstX8632AdjustStack::InstX8632AdjustStack(Cfg *Func, SizeT Amount,
- Variable *Esp)
- : InstX8632(Func, InstX8632::Adjuststack, 1, Esp), Amount(Amount) {
- addSource(Esp);
-}
-
-InstX8632Mul::InstX8632Mul(Cfg *Func, Variable *Dest, Variable *Source1,
- Operand *Source2)
- : InstX8632(Func, InstX8632::Mul, 2, Dest) {
- addSource(Source1);
- addSource(Source2);
-}
-
-InstX8632Shld::InstX8632Shld(Cfg *Func, Variable *Dest, Variable *Source1,
- Variable *Source2)
- : InstX8632(Func, InstX8632::Shld, 3, Dest) {
- addSource(Dest);
- addSource(Source1);
- addSource(Source2);
-}
-
-InstX8632Shrd::InstX8632Shrd(Cfg *Func, Variable *Dest, Variable *Source1,
- Variable *Source2)
- : InstX8632(Func, InstX8632::Shrd, 3, Dest) {
- addSource(Dest);
- addSource(Source1);
- addSource(Source2);
-}
-
-InstX8632Label::InstX8632Label(Cfg *Func, TargetX8632 *Target)
- : InstX8632(Func, InstX8632::Label, 0, nullptr),
- Number(Target->makeNextLabelNumber()) {}
-
-IceString InstX8632Label::getName(const Cfg *Func) const {
- return ".L" + Func->getFunctionName() + "$local$__" + std::to_string(Number);
-}
-
-InstX8632Br::InstX8632Br(Cfg *Func, const CfgNode *TargetTrue,
- const CfgNode *TargetFalse,
- const InstX8632Label *Label,
- X8632::Traits::Cond::BrCond Condition)
- : InstX8632(Func, InstX8632::Br, 0, nullptr), Condition(Condition),
- TargetTrue(TargetTrue), TargetFalse(TargetFalse), Label(Label) {}
-
-bool InstX8632Br::optimizeBranch(const CfgNode *NextNode) {
- // If there is no next block, then there can be no fallthrough to
- // optimize.
- if (NextNode == nullptr)
- return false;
- // Intra-block conditional branches can't be optimized.
- if (Label)
- return false;
- // If there is no fallthrough node, such as a non-default case label
- // for a switch instruction, then there is no opportunity to
- // optimize.
- if (getTargetFalse() == nullptr)
- return false;
-
- // Unconditional branch to the next node can be removed.
- if (Condition == X8632::Traits::Cond::Br_None &&
- getTargetFalse() == NextNode) {
- assert(getTargetTrue() == nullptr);
- setDeleted();
- return true;
- }
- // If the fallthrough is to the next node, set fallthrough to nullptr
- // to indicate.
- if (getTargetFalse() == NextNode) {
- TargetFalse = nullptr;
- return true;
- }
- // If TargetTrue is the next node, and TargetFalse is not nullptr
- // (which was already tested above), then invert the branch
- // condition, swap the targets, and set new fallthrough to nullptr.
- if (getTargetTrue() == NextNode) {
- assert(Condition != X8632::Traits::Cond::Br_None);
- Condition = getOppositeCondition(Condition);
- TargetTrue = getTargetFalse();
- TargetFalse = nullptr;
- return true;
- }
- return false;
-}
-
-bool InstX8632Br::repointEdge(CfgNode *OldNode, CfgNode *NewNode) {
- if (TargetFalse == OldNode) {
- TargetFalse = NewNode;
- return true;
- } else if (TargetTrue == OldNode) {
- TargetTrue = NewNode;
- return true;
- }
- return false;
-}
-
-InstX8632Jmp::InstX8632Jmp(Cfg *Func, Operand *Target)
- : InstX8632(Func, InstX8632::Jmp, 1, nullptr) {
- addSource(Target);
-}
-
-InstX8632Call::InstX8632Call(Cfg *Func, Variable *Dest, Operand *CallTarget)
- : InstX8632(Func, InstX8632::Call, 1, Dest) {
- HasSideEffects = true;
- addSource(CallTarget);
-}
-
-InstX8632Cmov::InstX8632Cmov(Cfg *Func, Variable *Dest, Operand *Source,
- X8632::Traits::Cond::BrCond Condition)
- : InstX8632(Func, InstX8632::Cmov, 2, Dest), Condition(Condition) {
- // The final result is either the original Dest, or Source, so mark
- // both as sources.
- addSource(Dest);
- addSource(Source);
-}
-
-InstX8632Cmpps::InstX8632Cmpps(Cfg *Func, Variable *Dest, Operand *Source,
- X8632::Traits::Cond::CmppsCond Condition)
- : InstX8632(Func, InstX8632::Cmpps, 2, Dest), Condition(Condition) {
- addSource(Dest);
- addSource(Source);
-}
-
-InstX8632Cmpxchg::InstX8632Cmpxchg(Cfg *Func, Operand *DestOrAddr,
- Variable *Eax, Variable *Desired,
- bool Locked)
- : InstX8632Lockable(Func, InstX8632::Cmpxchg, 3,
- llvm::dyn_cast<Variable>(DestOrAddr), Locked) {
- assert(Eax->getRegNum() == RegX8632::Reg_eax);
- addSource(DestOrAddr);
- addSource(Eax);
- addSource(Desired);
-}
-
-InstX8632Cmpxchg8b::InstX8632Cmpxchg8b(Cfg *Func, OperandX8632Mem *Addr,
- Variable *Edx, Variable *Eax,
- Variable *Ecx, Variable *Ebx,
- bool Locked)
- : InstX8632Lockable(Func, InstX8632::Cmpxchg, 5, nullptr, Locked) {
- assert(Edx->getRegNum() == RegX8632::Reg_edx);
- assert(Eax->getRegNum() == RegX8632::Reg_eax);
- assert(Ecx->getRegNum() == RegX8632::Reg_ecx);
- assert(Ebx->getRegNum() == RegX8632::Reg_ebx);
- addSource(Addr);
- addSource(Edx);
- addSource(Eax);
- addSource(Ecx);
- addSource(Ebx);
-}
-
-InstX8632Cvt::InstX8632Cvt(Cfg *Func, Variable *Dest, Operand *Source,
- CvtVariant Variant)
- : InstX8632(Func, InstX8632::Cvt, 1, Dest), Variant(Variant) {
- addSource(Source);
-}
-
-InstX8632Icmp::InstX8632Icmp(Cfg *Func, Operand *Src0, Operand *Src1)
- : InstX8632(Func, InstX8632::Icmp, 2, nullptr) {
- addSource(Src0);
- addSource(Src1);
-}
-
-InstX8632Ucomiss::InstX8632Ucomiss(Cfg *Func, Operand *Src0, Operand *Src1)
- : InstX8632(Func, InstX8632::Ucomiss, 2, nullptr) {
- addSource(Src0);
- addSource(Src1);
-}
-
-InstX8632UD2::InstX8632UD2(Cfg *Func)
- : InstX8632(Func, InstX8632::UD2, 0, nullptr) {}
-
-InstX8632Test::InstX8632Test(Cfg *Func, Operand *Src1, Operand *Src2)
- : InstX8632(Func, InstX8632::Test, 2, nullptr) {
- addSource(Src1);
- addSource(Src2);
-}
-
-InstX8632Mfence::InstX8632Mfence(Cfg *Func)
- : InstX8632(Func, InstX8632::Mfence, 0, nullptr) {
- HasSideEffects = true;
-}
-
-InstX8632Store::InstX8632Store(Cfg *Func, Operand *Value, OperandX8632 *Mem)
- : InstX8632(Func, InstX8632::Store, 2, nullptr) {
- addSource(Value);
- addSource(Mem);
-}
-
-InstX8632StoreP::InstX8632StoreP(Cfg *Func, Variable *Value,
- OperandX8632Mem *Mem)
- : InstX8632(Func, InstX8632::StoreP, 2, nullptr) {
- addSource(Value);
- addSource(Mem);
-}
-
-InstX8632StoreQ::InstX8632StoreQ(Cfg *Func, Variable *Value,
- OperandX8632Mem *Mem)
- : InstX8632(Func, InstX8632::StoreQ, 2, nullptr) {
- addSource(Value);
- addSource(Mem);
-}
-
-InstX8632Nop::InstX8632Nop(Cfg *Func, InstX8632Nop::NopVariant Variant)
- : InstX8632(Func, InstX8632::Nop, 0, nullptr), Variant(Variant) {}
-
-InstX8632Fld::InstX8632Fld(Cfg *Func, Operand *Src)
- : InstX8632(Func, InstX8632::Fld, 1, nullptr) {
- addSource(Src);
-}
-
-InstX8632Fstp::InstX8632Fstp(Cfg *Func, Variable *Dest)
- : InstX8632(Func, InstX8632::Fstp, 0, Dest) {}
-
-InstX8632Pop::InstX8632Pop(Cfg *Func, Variable *Dest)
- : InstX8632(Func, InstX8632::Pop, 0, Dest) {
- // A pop instruction affects the stack pointer and so it should not
- // be allowed to be automatically dead-code eliminated. (The
- // corresponding push instruction doesn't need this treatment
- // because it has no dest variable and therefore won't be dead-code
- // eliminated.) This is needed for late-stage liveness analysis
- // (e.g. asm-verbose mode).
- HasSideEffects = true;
-}
-
-InstX8632Push::InstX8632Push(Cfg *Func, Variable *Source)
- : InstX8632(Func, InstX8632::Push, 1, nullptr) {
- addSource(Source);
-}
-
-InstX8632Ret::InstX8632Ret(Cfg *Func, Variable *Source)
- : InstX8632(Func, InstX8632::Ret, Source ? 1 : 0, nullptr) {
- if (Source)
- addSource(Source);
-}
-
-InstX8632Setcc::InstX8632Setcc(Cfg *Func, Variable *Dest,
- X8632::Traits::Cond::BrCond Cond)
- : InstX8632(Func, InstX8632::Setcc, 0, Dest), Condition(Cond) {}
-
-InstX8632Xadd::InstX8632Xadd(Cfg *Func, Operand *Dest, Variable *Source,
- bool Locked)
- : InstX8632Lockable(Func, InstX8632::Xadd, 2,
- llvm::dyn_cast<Variable>(Dest), Locked) {
- addSource(Dest);
- addSource(Source);
-}
-
-InstX8632Xchg::InstX8632Xchg(Cfg *Func, Operand *Dest, Variable *Source)
- : InstX8632(Func, InstX8632::Xchg, 2, llvm::dyn_cast<Variable>(Dest)) {
- addSource(Dest);
- addSource(Source);
-}
-
-// ======================== Dump routines ======================== //
-
-void InstX8632::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "[X8632] ";
- Inst::dump(Func);
-}
-
-void InstX8632FakeRMW::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Type Ty = getData()->getType();
- Str << "rmw " << InstArithmetic::getOpName(getOp()) << " " << Ty << " *";
- getAddr()->dump(Func);
- Str << ", ";
- getData()->dump(Func);
- Str << ", beacon=";
- getBeacon()->dump(Func);
-}
-
-void InstX8632Label::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Str << getName(Func) << ":";
-}
-
-void InstX8632Label::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->BindLocalLabel(Number);
-}
-
-void InstX8632Label::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << getName(Func) << ":";
-}
-
-void InstX8632Br::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Str << "\t";
-
- if (Condition == X8632::Traits::Cond::Br_None) {
- Str << "jmp";
- } else {
- Str << InstX8632BrAttributes[Condition].EmitString;
- }
-
- if (Label) {
- Str << "\t" << Label->getName(Func);
- } else {
- if (Condition == X8632::Traits::Cond::Br_None) {
- Str << "\t" << getTargetFalse()->getAsmName();
- } else {
- Str << "\t" << getTargetTrue()->getAsmName();
- if (getTargetFalse()) {
- Str << "\n\tjmp\t" << getTargetFalse()->getAsmName();
- }
- }
- }
-}
-
-void InstX8632Br::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- if (Label) {
- X8632::Label *L = Asm->GetOrCreateLocalLabel(Label->getNumber());
- // In all these cases, local Labels should only be used for Near.
- const bool Near = true;
- if (Condition == X8632::Traits::Cond::Br_None) {
- Asm->jmp(L, Near);
- } else {
- Asm->j(Condition, L, Near);
- }
- } else {
- // Pessimistically assume it's far. This only affects Labels that
- // are not Bound.
- const bool Near = false;
- if (Condition == X8632::Traits::Cond::Br_None) {
- X8632::Label *L =
- Asm->GetOrCreateCfgNodeLabel(getTargetFalse()->getIndex());
- assert(!getTargetTrue());
- Asm->jmp(L, Near);
- } else {
- X8632::Label *L =
- Asm->GetOrCreateCfgNodeLabel(getTargetTrue()->getIndex());
- Asm->j(Condition, L, Near);
- if (getTargetFalse()) {
- X8632::Label *L2 =
- Asm->GetOrCreateCfgNodeLabel(getTargetFalse()->getIndex());
- Asm->jmp(L2, Near);
- }
- }
- }
-}
-
-void InstX8632Br::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "br ";
-
- if (Condition == X8632::Traits::Cond::Br_None) {
- Str << "label %"
- << (Label ? Label->getName(Func) : getTargetFalse()->getName());
- return;
- }
-
- Str << InstX8632BrAttributes[Condition].DisplayString;
- if (Label) {
- Str << ", label %" << Label->getName(Func);
- } else {
- Str << ", label %" << getTargetTrue()->getName();
- if (getTargetFalse()) {
- Str << ", label %" << getTargetFalse()->getName();
- }
- }
-}
-
-void InstX8632Jmp::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Str << "\tjmp\t*";
- getJmpTarget()->emit(Func);
-}
-
-void InstX8632Jmp::emitIAS(const Cfg *Func) const {
- // Note: Adapted (mostly copied) from InstX8632Call::emitIAS().
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Operand *Target = getJmpTarget();
- if (const auto Var = llvm::dyn_cast<Variable>(Target)) {
- if (Var->hasReg()) {
- Asm->jmp(RegX8632::getEncodedGPR(Var->getRegNum()));
- } else {
- // The jmp instruction with a memory operand should be possible
- // to encode, but it isn't a valid sandboxed instruction, and
- // there shouldn't be a register allocation issue to jump
- // through a scratch register, so we don't really need to bother
- // implementing it.
- llvm::report_fatal_error("Assembler can't jmp to memory operand");
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Target)) {
- (void)Mem;
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- llvm::report_fatal_error("Assembler can't jmp to memory operand");
- } else if (const auto CR = llvm::dyn_cast<ConstantRelocatable>(Target)) {
- assert(CR->getOffset() == 0 && "We only support jumping to a function");
- Asm->jmp(CR);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Target)) {
- // NaCl trampoline calls refer to an address within the sandbox directly.
- // This is usually only needed for non-IRT builds and otherwise not
- // very portable or stable. Usually this is only done for "calls"
- // and not jumps.
- // TODO(jvoung): Support this when there is a lowering that
- // actually triggers this case.
- (void)Imm;
- llvm::report_fatal_error("Unexpected jmp to absolute address");
- } else {
- llvm::report_fatal_error("Unexpected operand type");
- }
-}
-
-void InstX8632Jmp::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "jmp ";
- getJmpTarget()->dump(Func);
-}
-
-void InstX8632Call::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Str << "\tcall\t";
- if (const auto CI = llvm::dyn_cast<ConstantInteger32>(getCallTarget())) {
- // Emit without a leading '$'.
- Str << CI->getValue();
- } else if (const auto CallTarget =
- llvm::dyn_cast<ConstantRelocatable>(getCallTarget())) {
- CallTarget->emitWithoutPrefix(Func->getTarget());
- } else {
- Str << "*";
- getCallTarget()->emit(Func);
- }
- Func->getTarget()->resetStackAdjustment();
-}
-
-void InstX8632Call::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Operand *Target = getCallTarget();
- if (const auto Var = llvm::dyn_cast<Variable>(Target)) {
- if (Var->hasReg()) {
- Asm->call(RegX8632::getEncodedGPR(Var->getRegNum()));
- } else {
- Asm->call(static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Var));
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Target)) {
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- Asm->call(Mem->toAsmAddress(Asm));
- } else if (const auto CR = llvm::dyn_cast<ConstantRelocatable>(Target)) {
- assert(CR->getOffset() == 0 && "We only support calling a function");
- Asm->call(CR);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Target)) {
- Asm->call(X8632::Immediate(Imm->getValue()));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
- Func->getTarget()->resetStackAdjustment();
-}
-
-void InstX8632Call::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- if (getDest()) {
- dumpDest(Func);
- Str << " = ";
- }
- Str << "call ";
- getCallTarget()->dump(Func);
-}
-
-// The ShiftHack parameter is used to emit "cl" instead of "ecx" for
-// shift instructions, in order to be syntactically valid. The
-// Opcode parameter needs to be char* and not IceString because of
-// template issues.
-void InstX8632::emitTwoAddress(const char *Opcode, const Inst *Inst,
- const Cfg *Func, bool ShiftHack) {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(Inst->getSrcSize() == 2);
- Operand *Dest = Inst->getDest();
- if (Dest == nullptr)
- Dest = Inst->getSrc(0);
- assert(Dest == Inst->getSrc(0));
- Operand *Src1 = Inst->getSrc(1);
- Str << "\t" << Opcode << InstX8632::getWidthString(Dest->getType()) << "\t";
- const auto ShiftReg = llvm::dyn_cast<Variable>(Src1);
- if (ShiftHack && ShiftReg && ShiftReg->getRegNum() == RegX8632::Reg_ecx)
- Str << "%cl";
- else
- Src1->emit(Func);
- Str << ", ";
- Dest->emit(Func);
-}
-
-void emitIASOpTyGPR(const Cfg *Func, Type Ty, const Operand *Op,
- const X8632::AssemblerX8632::GPREmitterOneOp &Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- if (const auto Var = llvm::dyn_cast<Variable>(Op)) {
- if (Var->hasReg()) {
- // We cheat a little and use GPRRegister even for byte operations.
- RegX8632::GPRRegister VarReg =
- RegX8632::getEncodedByteRegOrGPR(Ty, Var->getRegNum());
- (Asm->*(Emitter.Reg))(Ty, VarReg);
- } else {
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Var));
- (Asm->*(Emitter.Addr))(Ty, StackAddr);
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Op)) {
- Mem->emitSegmentOverride(Asm);
- (Asm->*(Emitter.Addr))(Ty, Mem->toAsmAddress(Asm));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-template <bool VarCanBeByte, bool SrcCanBeByte>
-void emitIASRegOpTyGPR(const Cfg *Func, Type Ty, const Variable *Var,
- const Operand *Src,
- const X8632::AssemblerX8632::GPREmitterRegOp &Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(Var->hasReg());
- // We cheat a little and use GPRRegister even for byte operations.
- RegX8632::GPRRegister VarReg =
- VarCanBeByte ? RegX8632::getEncodedByteRegOrGPR(Ty, Var->getRegNum())
- : RegX8632::getEncodedGPR(Var->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
- if (SrcVar->hasReg()) {
- RegX8632::GPRRegister SrcReg =
- SrcCanBeByte
- ? RegX8632::getEncodedByteRegOrGPR(Ty, SrcVar->getRegNum())
- : RegX8632::getEncodedGPR(SrcVar->getRegNum());
- (Asm->*(Emitter.GPRGPR))(Ty, VarReg, SrcReg);
- } else {
- X8632::Traits::Address SrcStackAddr =
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar);
- (Asm->*(Emitter.GPRAddr))(Ty, VarReg, SrcStackAddr);
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Src)) {
- Mem->emitSegmentOverride(Asm);
- (Asm->*(Emitter.GPRAddr))(Ty, VarReg, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
- (Asm->*(Emitter.GPRImm))(Ty, VarReg, X8632::Immediate(Imm->getValue()));
- } else if (const auto Reloc = llvm::dyn_cast<ConstantRelocatable>(Src)) {
- AssemblerFixup *Fixup = Asm->createFixup(llvm::ELF::R_386_32, Reloc);
- (Asm->*(Emitter.GPRImm))(Ty, VarReg,
- X8632::Immediate(Reloc->getOffset(), Fixup));
- } else if (const auto Split = llvm::dyn_cast<VariableSplit>(Src)) {
- (Asm->*(Emitter.GPRAddr))(Ty, VarReg, Split->toAsmAddress(Func));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void emitIASAddrOpTyGPR(
- const Cfg *Func, Type Ty, const X8632::Traits::Address &Addr,
- const Operand *Src,
- const X8632::AssemblerX8632::GPREmitterAddrOp &Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- // Src can only be Reg or Immediate.
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
- assert(SrcVar->hasReg());
- RegX8632::GPRRegister SrcReg =
- RegX8632::getEncodedByteRegOrGPR(Ty, SrcVar->getRegNum());
- (Asm->*(Emitter.AddrGPR))(Ty, Addr, SrcReg);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
- (Asm->*(Emitter.AddrImm))(Ty, Addr, X8632::Immediate(Imm->getValue()));
- } else if (const auto Reloc = llvm::dyn_cast<ConstantRelocatable>(Src)) {
- AssemblerFixup *Fixup = Asm->createFixup(llvm::ELF::R_386_32, Reloc);
- (Asm->*(Emitter.AddrImm))(Ty, Addr,
- X8632::Immediate(Reloc->getOffset(), Fixup));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void emitIASAsAddrOpTyGPR(
- const Cfg *Func, Type Ty, const Operand *Op0, const Operand *Op1,
- const X8632::AssemblerX8632::GPREmitterAddrOp &Emitter) {
- if (const auto Op0Var = llvm::dyn_cast<Variable>(Op0)) {
- assert(!Op0Var->hasReg());
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Op0Var));
- emitIASAddrOpTyGPR(Func, Ty, StackAddr, Op1, Emitter);
- } else if (const auto Op0Mem = llvm::dyn_cast<OperandX8632Mem>(Op0)) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Op0Mem->emitSegmentOverride(Asm);
- emitIASAddrOpTyGPR(Func, Ty, Op0Mem->toAsmAddress(Asm), Op1, Emitter);
- } else if (const auto Split = llvm::dyn_cast<VariableSplit>(Op0)) {
- emitIASAddrOpTyGPR(Func, Ty, Split->toAsmAddress(Func), Op1, Emitter);
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void InstX8632::emitIASGPRShift(
- const Cfg *Func, Type Ty, const Variable *Var, const Operand *Src,
- const X8632::AssemblerX8632::GPREmitterShiftOp &Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- // Technically, the Dest Var can be mem as well, but we only use Reg.
- // We can extend this to check Dest if we decide to use that form.
- assert(Var->hasReg());
- // We cheat a little and use GPRRegister even for byte operations.
- RegX8632::GPRRegister VarReg =
- RegX8632::getEncodedByteRegOrGPR(Ty, Var->getRegNum());
- // Src must be reg == ECX or an Imm8.
- // This is asserted by the assembler.
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
- assert(SrcVar->hasReg());
- RegX8632::GPRRegister SrcReg =
- RegX8632::getEncodedByteRegOrGPR(Ty, SrcVar->getRegNum());
- (Asm->*(Emitter.GPRGPR))(Ty, VarReg, SrcReg);
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
- (Asm->*(Emitter.GPRImm))(Ty, VarReg, X8632::Immediate(Imm->getValue()));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void emitIASGPRShiftDouble(
- const Cfg *Func, const Variable *Dest, const Operand *Src1Op,
- const Operand *Src2Op,
- const X8632::AssemblerX8632::GPREmitterShiftD &Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- // Dest can be reg or mem, but we only use the reg variant.
- assert(Dest->hasReg());
- RegX8632::GPRRegister DestReg = RegX8632::getEncodedGPR(Dest->getRegNum());
- // SrcVar1 must be reg.
- const auto SrcVar1 = llvm::cast<Variable>(Src1Op);
- assert(SrcVar1->hasReg());
- RegX8632::GPRRegister SrcReg = RegX8632::getEncodedGPR(SrcVar1->getRegNum());
- Type Ty = SrcVar1->getType();
- // Src2 can be the implicit CL register or an immediate.
- if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src2Op)) {
- (Asm->*(Emitter.GPRGPRImm))(Ty, DestReg, SrcReg,
- X8632::Immediate(Imm->getValue()));
- } else {
- assert(llvm::cast<Variable>(Src2Op)->getRegNum() == RegX8632::Reg_ecx);
- (Asm->*(Emitter.GPRGPR))(Ty, DestReg, SrcReg);
- }
-}
-
-void emitIASXmmShift(const Cfg *Func, Type Ty, const Variable *Var,
- const Operand *Src,
- const X8632::AssemblerX8632::XmmEmitterShiftOp &Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(Var->hasReg());
- RegX8632::XmmRegister VarReg = RegX8632::getEncodedXmm(Var->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
- if (SrcVar->hasReg()) {
- RegX8632::XmmRegister SrcReg =
- RegX8632::getEncodedXmm(SrcVar->getRegNum());
- (Asm->*(Emitter.XmmXmm))(Ty, VarReg, SrcReg);
- } else {
- X8632::Traits::Address SrcStackAddr =
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar);
- (Asm->*(Emitter.XmmAddr))(Ty, VarReg, SrcStackAddr);
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Src)) {
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- (Asm->*(Emitter.XmmAddr))(Ty, VarReg, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<ConstantInteger32>(Src)) {
- (Asm->*(Emitter.XmmImm))(Ty, VarReg, X8632::Immediate(Imm->getValue()));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void emitIASRegOpTyXMM(const Cfg *Func, Type Ty, const Variable *Var,
- const Operand *Src,
- const X8632::AssemblerX8632::XmmEmitterRegOp &Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(Var->hasReg());
- RegX8632::XmmRegister VarReg = RegX8632::getEncodedXmm(Var->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
- if (SrcVar->hasReg()) {
- RegX8632::XmmRegister SrcReg =
- RegX8632::getEncodedXmm(SrcVar->getRegNum());
- (Asm->*(Emitter.XmmXmm))(Ty, VarReg, SrcReg);
- } else {
- X8632::Traits::Address SrcStackAddr =
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar);
- (Asm->*(Emitter.XmmAddr))(Ty, VarReg, SrcStackAddr);
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Src)) {
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- (Asm->*(Emitter.XmmAddr))(Ty, VarReg, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<Constant>(Src)) {
- (Asm->*(Emitter.XmmAddr))(Ty, VarReg,
- X8632::Traits::Address::ofConstPool(Asm, Imm));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-template <typename DReg_t, typename SReg_t, DReg_t (*destEnc)(int32_t),
- SReg_t (*srcEnc)(int32_t)>
-void emitIASCastRegOp(
- const Cfg *Func, Type DispatchTy, const Variable *Dest, const Operand *Src,
- const X8632::AssemblerX8632::CastEmitterRegOp<DReg_t, SReg_t> Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(Dest->hasReg());
- DReg_t DestReg = destEnc(Dest->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
- if (SrcVar->hasReg()) {
- SReg_t SrcReg = srcEnc(SrcVar->getRegNum());
- (Asm->*(Emitter.RegReg))(DispatchTy, DestReg, SrcReg);
- } else {
- X8632::Traits::Address SrcStackAddr =
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar);
- (Asm->*(Emitter.RegAddr))(DispatchTy, DestReg, SrcStackAddr);
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Src)) {
- Mem->emitSegmentOverride(Asm);
- (Asm->*(Emitter.RegAddr))(DispatchTy, DestReg, Mem->toAsmAddress(Asm));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-template <typename DReg_t, typename SReg_t, DReg_t (*destEnc)(int32_t),
- SReg_t (*srcEnc)(int32_t)>
-void emitIASThreeOpImmOps(
- const Cfg *Func, Type DispatchTy, const Variable *Dest, const Operand *Src0,
- const Operand *Src1,
- const X8632::AssemblerX8632::ThreeOpImmEmitter<DReg_t, SReg_t> Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- // This only handles Dest being a register, and Src1 being an immediate.
- assert(Dest->hasReg());
- DReg_t DestReg = destEnc(Dest->getRegNum());
- X8632::Immediate Imm(llvm::cast<ConstantInteger32>(Src1)->getValue());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src0)) {
- if (SrcVar->hasReg()) {
- SReg_t SrcReg = srcEnc(SrcVar->getRegNum());
- (Asm->*(Emitter.RegRegImm))(DispatchTy, DestReg, SrcReg, Imm);
- } else {
- X8632::Traits::Address SrcStackAddr =
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar);
- (Asm->*(Emitter.RegAddrImm))(DispatchTy, DestReg, SrcStackAddr, Imm);
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Src0)) {
- Mem->emitSegmentOverride(Asm);
- (Asm->*(Emitter.RegAddrImm))(DispatchTy, DestReg, Mem->toAsmAddress(Asm),
- Imm);
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void emitIASMovlikeXMM(const Cfg *Func, const Variable *Dest,
- const Operand *Src,
- const X8632::AssemblerX8632::XmmEmitterMovOps Emitter) {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- if (Dest->hasReg()) {
- RegX8632::XmmRegister DestReg = RegX8632::getEncodedXmm(Dest->getRegNum());
- if (const auto SrcVar = llvm::dyn_cast<Variable>(Src)) {
- if (SrcVar->hasReg()) {
- (Asm->*(Emitter.XmmXmm))(DestReg,
- RegX8632::getEncodedXmm(SrcVar->getRegNum()));
- } else {
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar));
- (Asm->*(Emitter.XmmAddr))(DestReg, StackAddr);
- }
- } else if (const auto SrcMem = llvm::dyn_cast<OperandX8632Mem>(Src)) {
- assert(SrcMem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- (Asm->*(Emitter.XmmAddr))(DestReg, SrcMem->toAsmAddress(Asm));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
- } else {
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Dest));
- // Src must be a register in this case.
- const auto SrcVar = llvm::cast<Variable>(Src);
- assert(SrcVar->hasReg());
- (Asm->*(Emitter.AddrXmm))(StackAddr,
- RegX8632::getEncodedXmm(SrcVar->getRegNum()));
- }
-}
-
-// In-place ops
-template <> const char *InstX8632Bswap::Opcode = "bswap";
-template <> const char *InstX8632Neg::Opcode = "neg";
-// Unary ops
-template <> const char *InstX8632Bsf::Opcode = "bsf";
-template <> const char *InstX8632Bsr::Opcode = "bsr";
-template <> const char *InstX8632Lea::Opcode = "lea";
-template <> const char *InstX8632Movd::Opcode = "movd";
-template <> const char *InstX8632Movsx::Opcode = "movs";
-template <> const char *InstX8632Movzx::Opcode = "movz";
-template <> const char *InstX8632Sqrtss::Opcode = "sqrtss";
-template <> const char *InstX8632Cbwdq::Opcode = "cbw/cwd/cdq";
-// Mov-like ops
-template <> const char *InstX8632Mov::Opcode = "mov";
-template <> const char *InstX8632Movp::Opcode = "movups";
-template <> const char *InstX8632Movq::Opcode = "movq";
-// Binary ops
-template <> const char *InstX8632Add::Opcode = "add";
-template <> const char *InstX8632AddRMW::Opcode = "add";
-template <> const char *InstX8632Addps::Opcode = "addps";
-template <> const char *InstX8632Adc::Opcode = "adc";
-template <> const char *InstX8632AdcRMW::Opcode = "adc";
-template <> const char *InstX8632Addss::Opcode = "addss";
-template <> const char *InstX8632Padd::Opcode = "padd";
-template <> const char *InstX8632Sub::Opcode = "sub";
-template <> const char *InstX8632SubRMW::Opcode = "sub";
-template <> const char *InstX8632Subps::Opcode = "subps";
-template <> const char *InstX8632Subss::Opcode = "subss";
-template <> const char *InstX8632Sbb::Opcode = "sbb";
-template <> const char *InstX8632SbbRMW::Opcode = "sbb";
-template <> const char *InstX8632Psub::Opcode = "psub";
-template <> const char *InstX8632And::Opcode = "and";
-template <> const char *InstX8632AndRMW::Opcode = "and";
-template <> const char *InstX8632Pand::Opcode = "pand";
-template <> const char *InstX8632Pandn::Opcode = "pandn";
-template <> const char *InstX8632Or::Opcode = "or";
-template <> const char *InstX8632OrRMW::Opcode = "or";
-template <> const char *InstX8632Por::Opcode = "por";
-template <> const char *InstX8632Xor::Opcode = "xor";
-template <> const char *InstX8632XorRMW::Opcode = "xor";
-template <> const char *InstX8632Pxor::Opcode = "pxor";
-template <> const char *InstX8632Imul::Opcode = "imul";
-template <> const char *InstX8632Mulps::Opcode = "mulps";
-template <> const char *InstX8632Mulss::Opcode = "mulss";
-template <> const char *InstX8632Pmull::Opcode = "pmull";
-template <> const char *InstX8632Pmuludq::Opcode = "pmuludq";
-template <> const char *InstX8632Div::Opcode = "div";
-template <> const char *InstX8632Divps::Opcode = "divps";
-template <> const char *InstX8632Idiv::Opcode = "idiv";
-template <> const char *InstX8632Divss::Opcode = "divss";
-template <> const char *InstX8632Rol::Opcode = "rol";
-template <> const char *InstX8632Shl::Opcode = "shl";
-template <> const char *InstX8632Psll::Opcode = "psll";
-template <> const char *InstX8632Shr::Opcode = "shr";
-template <> const char *InstX8632Sar::Opcode = "sar";
-template <> const char *InstX8632Psra::Opcode = "psra";
-template <> const char *InstX8632Psrl::Opcode = "psrl";
-template <> const char *InstX8632Pcmpeq::Opcode = "pcmpeq";
-template <> const char *InstX8632Pcmpgt::Opcode = "pcmpgt";
-template <> const char *InstX8632MovssRegs::Opcode = "movss";
-// Ternary ops
-template <> const char *InstX8632Insertps::Opcode = "insertps";
-template <> const char *InstX8632Shufps::Opcode = "shufps";
-template <> const char *InstX8632Pinsr::Opcode = "pinsr";
-template <> const char *InstX8632Blendvps::Opcode = "blendvps";
-template <> const char *InstX8632Pblendvb::Opcode = "pblendvb";
-// Three address ops
-template <> const char *InstX8632Pextr::Opcode = "pextr";
-template <> const char *InstX8632Pshufd::Opcode = "pshufd";
-
-// Inplace GPR ops
-template <>
-const X8632::AssemblerX8632::GPREmitterOneOp InstX8632Bswap::Emitter = {
- &X8632::AssemblerX8632::bswap, nullptr /* only a reg form exists */
-};
-template <>
-const X8632::AssemblerX8632::GPREmitterOneOp InstX8632Neg::Emitter = {
- &X8632::AssemblerX8632::neg, &X8632::AssemblerX8632::neg};
-
-// Unary GPR ops
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Bsf::Emitter = {
- &X8632::AssemblerX8632::bsf, &X8632::AssemblerX8632::bsf, nullptr};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Bsr::Emitter = {
- &X8632::AssemblerX8632::bsr, &X8632::AssemblerX8632::bsr, nullptr};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Lea::Emitter = {
- /* reg/reg and reg/imm are illegal */ nullptr, &X8632::AssemblerX8632::lea,
- nullptr};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Movsx::Emitter = {
- &X8632::AssemblerX8632::movsx, &X8632::AssemblerX8632::movsx, nullptr};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Movzx::Emitter = {
- &X8632::AssemblerX8632::movzx, &X8632::AssemblerX8632::movzx, nullptr};
-
-// Unary XMM ops
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Sqrtss::Emitter = {
- &X8632::AssemblerX8632::sqrtss, &X8632::AssemblerX8632::sqrtss};
-
-// Binary GPR ops
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Add::Emitter = {
- &X8632::AssemblerX8632::add, &X8632::AssemblerX8632::add,
- &X8632::AssemblerX8632::add};
-template <>
-const X8632::AssemblerX8632::GPREmitterAddrOp InstX8632AddRMW::Emitter = {
- &X8632::AssemblerX8632::add, &X8632::AssemblerX8632::add};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Adc::Emitter = {
- &X8632::AssemblerX8632::adc, &X8632::AssemblerX8632::adc,
- &X8632::AssemblerX8632::adc};
-template <>
-const X8632::AssemblerX8632::GPREmitterAddrOp InstX8632AdcRMW::Emitter = {
- &X8632::AssemblerX8632::adc, &X8632::AssemblerX8632::adc};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632And::Emitter = {
- &X8632::AssemblerX8632::And, &X8632::AssemblerX8632::And,
- &X8632::AssemblerX8632::And};
-template <>
-const X8632::AssemblerX8632::GPREmitterAddrOp InstX8632AndRMW::Emitter = {
- &X8632::AssemblerX8632::And, &X8632::AssemblerX8632::And};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Or::Emitter = {
- &X8632::AssemblerX8632::Or, &X8632::AssemblerX8632::Or,
- &X8632::AssemblerX8632::Or};
-template <>
-const X8632::AssemblerX8632::GPREmitterAddrOp InstX8632OrRMW::Emitter = {
- &X8632::AssemblerX8632::Or, &X8632::AssemblerX8632::Or};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Sbb::Emitter = {
- &X8632::AssemblerX8632::sbb, &X8632::AssemblerX8632::sbb,
- &X8632::AssemblerX8632::sbb};
-template <>
-const X8632::AssemblerX8632::GPREmitterAddrOp InstX8632SbbRMW::Emitter = {
- &X8632::AssemblerX8632::sbb, &X8632::AssemblerX8632::sbb};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Sub::Emitter = {
- &X8632::AssemblerX8632::sub, &X8632::AssemblerX8632::sub,
- &X8632::AssemblerX8632::sub};
-template <>
-const X8632::AssemblerX8632::GPREmitterAddrOp InstX8632SubRMW::Emitter = {
- &X8632::AssemblerX8632::sub, &X8632::AssemblerX8632::sub};
-template <>
-const X8632::AssemblerX8632::GPREmitterRegOp InstX8632Xor::Emitter = {
- &X8632::AssemblerX8632::Xor, &X8632::AssemblerX8632::Xor,
- &X8632::AssemblerX8632::Xor};
-template <>
-const X8632::AssemblerX8632::GPREmitterAddrOp InstX8632XorRMW::Emitter = {
- &X8632::AssemblerX8632::Xor, &X8632::AssemblerX8632::Xor};
-
-// Binary Shift GPR ops
-template <>
-const X8632::AssemblerX8632::GPREmitterShiftOp InstX8632Rol::Emitter = {
- &X8632::AssemblerX8632::rol, &X8632::AssemblerX8632::rol};
-template <>
-const X8632::AssemblerX8632::GPREmitterShiftOp InstX8632Sar::Emitter = {
- &X8632::AssemblerX8632::sar, &X8632::AssemblerX8632::sar};
-template <>
-const X8632::AssemblerX8632::GPREmitterShiftOp InstX8632Shl::Emitter = {
- &X8632::AssemblerX8632::shl, &X8632::AssemblerX8632::shl};
-template <>
-const X8632::AssemblerX8632::GPREmitterShiftOp InstX8632Shr::Emitter = {
- &X8632::AssemblerX8632::shr, &X8632::AssemblerX8632::shr};
-
-// Binary XMM ops
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Addss::Emitter = {
- &X8632::AssemblerX8632::addss, &X8632::AssemblerX8632::addss};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Addps::Emitter = {
- &X8632::AssemblerX8632::addps, &X8632::AssemblerX8632::addps};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Divss::Emitter = {
- &X8632::AssemblerX8632::divss, &X8632::AssemblerX8632::divss};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Divps::Emitter = {
- &X8632::AssemblerX8632::divps, &X8632::AssemblerX8632::divps};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Mulss::Emitter = {
- &X8632::AssemblerX8632::mulss, &X8632::AssemblerX8632::mulss};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Mulps::Emitter = {
- &X8632::AssemblerX8632::mulps, &X8632::AssemblerX8632::mulps};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Padd::Emitter = {
- &X8632::AssemblerX8632::padd, &X8632::AssemblerX8632::padd};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Pand::Emitter = {
- &X8632::AssemblerX8632::pand, &X8632::AssemblerX8632::pand};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Pandn::Emitter = {
- &X8632::AssemblerX8632::pandn, &X8632::AssemblerX8632::pandn};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Pcmpeq::Emitter = {
- &X8632::AssemblerX8632::pcmpeq, &X8632::AssemblerX8632::pcmpeq};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Pcmpgt::Emitter = {
- &X8632::AssemblerX8632::pcmpgt, &X8632::AssemblerX8632::pcmpgt};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Pmull::Emitter = {
- &X8632::AssemblerX8632::pmull, &X8632::AssemblerX8632::pmull};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Pmuludq::Emitter = {
- &X8632::AssemblerX8632::pmuludq, &X8632::AssemblerX8632::pmuludq};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Por::Emitter = {
- &X8632::AssemblerX8632::por, &X8632::AssemblerX8632::por};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Psub::Emitter = {
- &X8632::AssemblerX8632::psub, &X8632::AssemblerX8632::psub};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Pxor::Emitter = {
- &X8632::AssemblerX8632::pxor, &X8632::AssemblerX8632::pxor};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Subss::Emitter = {
- &X8632::AssemblerX8632::subss, &X8632::AssemblerX8632::subss};
-template <>
-const X8632::AssemblerX8632::XmmEmitterRegOp InstX8632Subps::Emitter = {
- &X8632::AssemblerX8632::subps, &X8632::AssemblerX8632::subps};
-
-// Binary XMM Shift ops
-template <>
-const X8632::AssemblerX8632::XmmEmitterShiftOp InstX8632Psll::Emitter = {
- &X8632::AssemblerX8632::psll, &X8632::AssemblerX8632::psll,
- &X8632::AssemblerX8632::psll};
-template <>
-const X8632::AssemblerX8632::XmmEmitterShiftOp InstX8632Psra::Emitter = {
- &X8632::AssemblerX8632::psra, &X8632::AssemblerX8632::psra,
- &X8632::AssemblerX8632::psra};
-template <>
-const X8632::AssemblerX8632::XmmEmitterShiftOp InstX8632Psrl::Emitter = {
- &X8632::AssemblerX8632::psrl, &X8632::AssemblerX8632::psrl,
- &X8632::AssemblerX8632::psrl};
-
-template <> void InstX8632Sqrtss::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Type Ty = getSrc(0)->getType();
- assert(isScalarFloatingType(Ty));
- Str << "\tsqrt" << TypeX8632Attributes[Ty].SdSsString << "\t";
- getSrc(0)->emit(Func);
- Str << ", ";
- getDest()->emit(Func);
-}
-
-template <> void InstX8632Addss::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "add%s",
- TypeX8632Attributes[getDest()->getType()].SdSsString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Padd::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "padd%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Pmull::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- bool TypesAreValid = getDest()->getType() == IceType_v4i32 ||
- getDest()->getType() == IceType_v8i16;
- bool InstructionSetIsValid =
- getDest()->getType() == IceType_v8i16 ||
- static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1;
- (void)TypesAreValid;
- (void)InstructionSetIsValid;
- assert(TypesAreValid);
- assert(InstructionSetIsValid);
- snprintf(buf, llvm::array_lengthof(buf), "pmull%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Pmull::emitIAS(const Cfg *Func) const {
- Type Ty = getDest()->getType();
- bool TypesAreValid = Ty == IceType_v4i32 || Ty == IceType_v8i16;
- bool InstructionSetIsValid =
- Ty == IceType_v8i16 ||
- static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1;
- (void)TypesAreValid;
- (void)InstructionSetIsValid;
- assert(TypesAreValid);
- assert(InstructionSetIsValid);
- assert(getSrcSize() == 2);
- Type ElementTy = typeElementType(Ty);
- emitIASRegOpTyXMM(Func, ElementTy, getDest(), getSrc(1), Emitter);
-}
-
-template <> void InstX8632Subss::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "sub%s",
- TypeX8632Attributes[getDest()->getType()].SdSsString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Psub::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "psub%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Mulss::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "mul%s",
- TypeX8632Attributes[getDest()->getType()].SdSsString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Pmuludq::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- assert(getSrc(0)->getType() == IceType_v4i32 &&
- getSrc(1)->getType() == IceType_v4i32);
- emitTwoAddress(Opcode, this, Func);
-}
-
-template <> void InstX8632Divss::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "div%s",
- TypeX8632Attributes[getDest()->getType()].SdSsString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Div::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 3);
- Operand *Src1 = getSrc(1);
- Str << "\t" << Opcode << getWidthString(Src1->getType()) << "\t";
- Src1->emit(Func);
-}
-
-template <> void InstX8632Div::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- const Operand *Src = getSrc(1);
- Type Ty = Src->getType();
- const static X8632::AssemblerX8632::GPREmitterOneOp Emitter = {
- &X8632::AssemblerX8632::div, &X8632::AssemblerX8632::div};
- emitIASOpTyGPR(Func, Ty, Src, Emitter);
-}
-
-template <> void InstX8632Idiv::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 3);
- Operand *Src1 = getSrc(1);
- Str << "\t" << Opcode << getWidthString(Src1->getType()) << "\t";
- Src1->emit(Func);
-}
-
-template <> void InstX8632Idiv::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- const Operand *Src = getSrc(1);
- Type Ty = Src->getType();
- const static X8632::AssemblerX8632::GPREmitterOneOp Emitter = {
- &X8632::AssemblerX8632::idiv, &X8632::AssemblerX8632::idiv};
- emitIASOpTyGPR(Func, Ty, Src, Emitter);
-}
-
-namespace {
-
-// pblendvb and blendvps take xmm0 as a final implicit argument.
-void emitVariableBlendInst(const char *Opcode, const Inst *Inst,
- const Cfg *Func) {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(Inst->getSrcSize() == 3);
- assert(llvm::cast<Variable>(Inst->getSrc(2))->getRegNum() ==
- RegX8632::Reg_xmm0);
- Str << "\t" << Opcode << "\t";
- Inst->getSrc(1)->emit(Func);
- Str << ", ";
- Inst->getDest()->emit(Func);
-}
-
-void emitIASVariableBlendInst(
- const Inst *Inst, const Cfg *Func,
- const X8632::AssemblerX8632::XmmEmitterRegOp &Emitter) {
- assert(Inst->getSrcSize() == 3);
- assert(llvm::cast<Variable>(Inst->getSrc(2))->getRegNum() ==
- RegX8632::Reg_xmm0);
- const Variable *Dest = Inst->getDest();
- const Operand *Src = Inst->getSrc(1);
- emitIASRegOpTyXMM(Func, Dest->getType(), Dest, Src, Emitter);
-}
-
-} // end anonymous namespace
-
-template <> void InstX8632Blendvps::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- assert(static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- emitVariableBlendInst(Opcode, this, Func);
-}
-
-template <> void InstX8632Blendvps::emitIAS(const Cfg *Func) const {
- assert(static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- static const X8632::AssemblerX8632::XmmEmitterRegOp Emitter = {
- &X8632::AssemblerX8632::blendvps, &X8632::AssemblerX8632::blendvps};
- emitIASVariableBlendInst(this, Func, Emitter);
-}
-
-template <> void InstX8632Pblendvb::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- assert(static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- emitVariableBlendInst(Opcode, this, Func);
-}
-
-template <> void InstX8632Pblendvb::emitIAS(const Cfg *Func) const {
- assert(static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- static const X8632::AssemblerX8632::XmmEmitterRegOp Emitter = {
- &X8632::AssemblerX8632::pblendvb, &X8632::AssemblerX8632::pblendvb};
- emitIASVariableBlendInst(this, Func, Emitter);
-}
-
-template <> void InstX8632Imul::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- Variable *Dest = getDest();
- if (isByteSizedArithType(Dest->getType())) {
- // The 8-bit version of imul only allows the form "imul r/m8".
- const auto Src0Var = llvm::dyn_cast<Variable>(getSrc(0));
- (void)Src0Var;
- assert(Src0Var && Src0Var->getRegNum() == RegX8632::Reg_eax);
- Str << "\timulb\t";
- getSrc(1)->emit(Func);
- } else if (llvm::isa<Constant>(getSrc(1))) {
- Str << "\timul" << getWidthString(Dest->getType()) << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
- Str << ", ";
- Dest->emit(Func);
- } else {
- emitTwoAddress("imul", this, Func);
- }
-}
-
-template <> void InstX8632Imul::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- const Variable *Var = getDest();
- Type Ty = Var->getType();
- const Operand *Src = getSrc(1);
- if (isByteSizedArithType(Ty)) {
- // The 8-bit version of imul only allows the form "imul r/m8".
- const auto Src0Var = llvm::dyn_cast<Variable>(getSrc(0));
- (void)Src0Var;
- assert(Src0Var && Src0Var->getRegNum() == RegX8632::Reg_eax);
- const X8632::AssemblerX8632::GPREmitterOneOp Emitter = {
- &X8632::AssemblerX8632::imul, &X8632::AssemblerX8632::imul};
- emitIASOpTyGPR(Func, Ty, getSrc(1), Emitter);
- } else {
- // We only use imul as a two-address instruction even though
- // there is a 3 operand version when one of the operands is a constant.
- assert(Var == getSrc(0));
- const X8632::AssemblerX8632::GPREmitterRegOp Emitter = {
- &X8632::AssemblerX8632::imul, &X8632::AssemblerX8632::imul,
- &X8632::AssemblerX8632::imul};
- emitIASRegOpTyGPR(Func, Ty, Var, Src, Emitter);
- }
-}
-
-template <> void InstX8632Insertps::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- assert(static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- const Variable *Dest = getDest();
- assert(Dest == getSrc(0));
- Type Ty = Dest->getType();
- static const X8632::AssemblerX8632::ThreeOpImmEmitter<
- RegX8632::XmmRegister, RegX8632::XmmRegister> Emitter = {
- &X8632::AssemblerX8632::insertps, &X8632::AssemblerX8632::insertps};
- emitIASThreeOpImmOps<RegX8632::XmmRegister, RegX8632::XmmRegister,
- RegX8632::getEncodedXmm, RegX8632::getEncodedXmm>(
- Func, Ty, Dest, getSrc(1), getSrc(2), Emitter);
-}
-
-template <> void InstX8632Cbwdq::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Operand *Src0 = getSrc(0);
- assert(llvm::isa<Variable>(Src0));
- assert(llvm::cast<Variable>(Src0)->getRegNum() == RegX8632::Reg_eax);
- switch (Src0->getType()) {
- default:
- llvm_unreachable("unexpected source type!");
- break;
- case IceType_i8:
- assert(getDest()->getRegNum() == RegX8632::Reg_eax);
- Str << "\tcbtw";
- break;
- case IceType_i16:
- assert(getDest()->getRegNum() == RegX8632::Reg_edx);
- Str << "\tcwtd";
- break;
- case IceType_i32:
- assert(getDest()->getRegNum() == RegX8632::Reg_edx);
- Str << "\tcltd";
- break;
- }
-}
-
-template <> void InstX8632Cbwdq::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(getSrcSize() == 1);
- Operand *Src0 = getSrc(0);
- assert(llvm::isa<Variable>(Src0));
- assert(llvm::cast<Variable>(Src0)->getRegNum() == RegX8632::Reg_eax);
- switch (Src0->getType()) {
- default:
- llvm_unreachable("unexpected source type!");
- break;
- case IceType_i8:
- assert(getDest()->getRegNum() == RegX8632::Reg_eax);
- Asm->cbw();
- break;
- case IceType_i16:
- assert(getDest()->getRegNum() == RegX8632::Reg_edx);
- Asm->cwd();
- break;
- case IceType_i32:
- assert(getDest()->getRegNum() == RegX8632::Reg_edx);
- Asm->cdq();
- break;
- }
-}
-
-void InstX8632Mul::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- assert(llvm::isa<Variable>(getSrc(0)));
- assert(llvm::cast<Variable>(getSrc(0))->getRegNum() == RegX8632::Reg_eax);
- assert(getDest()->getRegNum() == RegX8632::Reg_eax); // TODO: allow edx?
- Str << "\tmul" << getWidthString(getDest()->getType()) << "\t";
- getSrc(1)->emit(Func);
-}
-
-void InstX8632Mul::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- assert(llvm::isa<Variable>(getSrc(0)));
- assert(llvm::cast<Variable>(getSrc(0))->getRegNum() == RegX8632::Reg_eax);
- assert(getDest()->getRegNum() == RegX8632::Reg_eax); // TODO: allow edx?
- const Operand *Src = getSrc(1);
- Type Ty = Src->getType();
- const static X8632::AssemblerX8632::GPREmitterOneOp Emitter = {
- &X8632::AssemblerX8632::mul, &X8632::AssemblerX8632::mul};
- emitIASOpTyGPR(Func, Ty, Src, Emitter);
-}
-
-void InstX8632Mul::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- dumpDest(Func);
- Str << " = mul." << getDest()->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632Shld::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Variable *Dest = getDest();
- assert(getSrcSize() == 3);
- assert(Dest == getSrc(0));
- Str << "\tshld" << getWidthString(Dest->getType()) << "\t";
- if (const auto ShiftReg = llvm::dyn_cast<Variable>(getSrc(2))) {
- (void)ShiftReg;
- assert(ShiftReg->getRegNum() == RegX8632::Reg_ecx);
- Str << "%cl";
- } else {
- getSrc(2)->emit(Func);
- }
- Str << ", ";
- getSrc(1)->emit(Func);
- Str << ", ";
- Dest->emit(Func);
-}
-
-void InstX8632Shld::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- assert(getDest() == getSrc(0));
- const Variable *Dest = getDest();
- const Operand *Src1 = getSrc(1);
- const Operand *Src2 = getSrc(2);
- static const X8632::AssemblerX8632::GPREmitterShiftD Emitter = {
- &X8632::AssemblerX8632::shld, &X8632::AssemblerX8632::shld};
- emitIASGPRShiftDouble(Func, Dest, Src1, Src2, Emitter);
-}
-
-void InstX8632Shld::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- dumpDest(Func);
- Str << " = shld." << getDest()->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632Shrd::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Variable *Dest = getDest();
- assert(getSrcSize() == 3);
- assert(Dest == getSrc(0));
- Str << "\tshrd" << getWidthString(Dest->getType()) << "\t";
- if (const auto ShiftReg = llvm::dyn_cast<Variable>(getSrc(2))) {
- (void)ShiftReg;
- assert(ShiftReg->getRegNum() == RegX8632::Reg_ecx);
- Str << "%cl";
- } else {
- getSrc(2)->emit(Func);
- }
- Str << ", ";
- getSrc(1)->emit(Func);
- Str << ", ";
- Dest->emit(Func);
-}
-
-void InstX8632Shrd::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- assert(getDest() == getSrc(0));
- const Variable *Dest = getDest();
- const Operand *Src1 = getSrc(1);
- const Operand *Src2 = getSrc(2);
- static const X8632::AssemblerX8632::GPREmitterShiftD Emitter = {
- &X8632::AssemblerX8632::shrd, &X8632::AssemblerX8632::shrd};
- emitIASGPRShiftDouble(Func, Dest, Src1, Src2, Emitter);
-}
-
-void InstX8632Shrd::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- dumpDest(Func);
- Str << " = shrd." << getDest()->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632Cmov::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Variable *Dest = getDest();
- Str << "\t";
- assert(Condition != X8632::Traits::Cond::Br_None);
- assert(getDest()->hasReg());
- Str << "cmov" << InstX8632BrAttributes[Condition].DisplayString
- << getWidthString(Dest->getType()) << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- Dest->emit(Func);
-}
-
-void InstX8632Cmov::emitIAS(const Cfg *Func) const {
- assert(Condition != X8632::Traits::Cond::Br_None);
- assert(getDest()->hasReg());
- assert(getSrcSize() == 2);
- Operand *Src = getSrc(1);
- Type SrcTy = Src->getType();
- assert(SrcTy == IceType_i16 || SrcTy == IceType_i32);
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- if (const auto *SrcVar = llvm::dyn_cast<Variable>(Src)) {
- if (SrcVar->hasReg()) {
- Asm->cmov(SrcTy, Condition,
- RegX8632::getEncodedGPR(getDest()->getRegNum()),
- RegX8632::getEncodedGPR(SrcVar->getRegNum()));
- } else {
- Asm->cmov(SrcTy, Condition,
- RegX8632::getEncodedGPR(getDest()->getRegNum()),
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar));
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Src)) {
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- Asm->cmov(SrcTy, Condition, RegX8632::getEncodedGPR(getDest()->getRegNum()),
- Mem->toAsmAddress(Asm));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void InstX8632Cmov::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "cmov" << InstX8632BrAttributes[Condition].DisplayString << ".";
- Str << getDest()->getType() << " ";
- dumpDest(Func);
- Str << ", ";
- dumpSources(Func);
-}
-
-void InstX8632Cmpps::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- assert(Condition < X8632::Traits::Cond::Cmpps_Invalid);
- Str << "\t";
- Str << "cmp" << InstX8632CmppsAttributes[Condition].EmitString << "ps"
- << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getDest()->emit(Func);
-}
-
-void InstX8632Cmpps::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(getSrcSize() == 2);
- assert(Condition < X8632::Traits::Cond::Cmpps_Invalid);
- // Assuming there isn't any load folding for cmpps, and vector constants
- // are not allowed in PNaCl.
- assert(llvm::isa<Variable>(getSrc(1)));
- const auto SrcVar = llvm::cast<Variable>(getSrc(1));
- if (SrcVar->hasReg()) {
- Asm->cmpps(RegX8632::getEncodedXmm(getDest()->getRegNum()),
- RegX8632::getEncodedXmm(SrcVar->getRegNum()), Condition);
- } else {
- X8632::Traits::Address SrcStackAddr =
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar);
- Asm->cmpps(RegX8632::getEncodedXmm(getDest()->getRegNum()), SrcStackAddr,
- Condition);
- }
-}
-
-void InstX8632Cmpps::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- assert(Condition < X8632::Traits::Cond::Cmpps_Invalid);
- dumpDest(Func);
- Str << " = cmp" << InstX8632CmppsAttributes[Condition].EmitString << "ps"
- << "\t";
- dumpSources(Func);
-}
-
-void InstX8632Cmpxchg::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 3);
- if (Locked) {
- Str << "\tlock";
- }
- Str << "\tcmpxchg" << getWidthString(getSrc(0)->getType()) << "\t";
- getSrc(2)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
-}
-
-void InstX8632Cmpxchg::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Type Ty = getSrc(0)->getType();
- const auto Mem = llvm::cast<OperandX8632Mem>(getSrc(0));
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- const X8632::Traits::Address Addr = Mem->toAsmAddress(Asm);
- const auto VarReg = llvm::cast<Variable>(getSrc(2));
- assert(VarReg->hasReg());
- const RegX8632::GPRRegister Reg =
- RegX8632::getEncodedGPR(VarReg->getRegNum());
- Asm->cmpxchg(Ty, Addr, Reg, Locked);
-}
-
-void InstX8632Cmpxchg::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- if (Locked) {
- Str << "lock ";
- }
- Str << "cmpxchg." << getSrc(0)->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632Cmpxchg8b::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 5);
- if (Locked) {
- Str << "\tlock";
- }
- Str << "\tcmpxchg8b\t";
- getSrc(0)->emit(Func);
-}
-
-void InstX8632Cmpxchg8b::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 5);
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- const auto Mem = llvm::cast<OperandX8632Mem>(getSrc(0));
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- const X8632::Traits::Address Addr = Mem->toAsmAddress(Asm);
- Asm->cmpxchg8b(Addr, Locked);
-}
-
-void InstX8632Cmpxchg8b::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- if (Locked) {
- Str << "lock ";
- }
- Str << "cmpxchg8b ";
- dumpSources(Func);
-}
-
-void InstX8632Cvt::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Str << "\tcvt";
- if (isTruncating())
- Str << "t";
- Str << TypeX8632Attributes[getSrc(0)->getType()].CvtString << "2"
- << TypeX8632Attributes[getDest()->getType()].CvtString << "\t";
- getSrc(0)->emit(Func);
- Str << ", ";
- getDest()->emit(Func);
-}
-
-void InstX8632Cvt::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 1);
- const Variable *Dest = getDest();
- const Operand *Src = getSrc(0);
- Type DestTy = Dest->getType();
- Type SrcTy = Src->getType();
- switch (Variant) {
- case Si2ss: {
- assert(isScalarIntegerType(SrcTy));
- assert(typeWidthInBytes(SrcTy) <= 4);
- assert(isScalarFloatingType(DestTy));
- static const X8632::AssemblerX8632::CastEmitterRegOp<
- RegX8632::XmmRegister, RegX8632::GPRRegister> Emitter = {
- &X8632::AssemblerX8632::cvtsi2ss, &X8632::AssemblerX8632::cvtsi2ss};
- emitIASCastRegOp<RegX8632::XmmRegister, RegX8632::GPRRegister,
- RegX8632::getEncodedXmm, RegX8632::getEncodedGPR>(
- Func, DestTy, Dest, Src, Emitter);
- return;
- }
- case Tss2si: {
- assert(isScalarFloatingType(SrcTy));
- assert(isScalarIntegerType(DestTy));
- assert(typeWidthInBytes(DestTy) <= 4);
- static const X8632::AssemblerX8632::CastEmitterRegOp<
- RegX8632::GPRRegister, RegX8632::XmmRegister> Emitter = {
- &X8632::AssemblerX8632::cvttss2si, &X8632::AssemblerX8632::cvttss2si};
- emitIASCastRegOp<RegX8632::GPRRegister, RegX8632::XmmRegister,
- RegX8632::getEncodedGPR, RegX8632::getEncodedXmm>(
- Func, SrcTy, Dest, Src, Emitter);
- return;
- }
- case Float2float: {
- assert(isScalarFloatingType(SrcTy));
- assert(isScalarFloatingType(DestTy));
- assert(DestTy != SrcTy);
- static const X8632::AssemblerX8632::XmmEmitterRegOp Emitter = {
- &X8632::AssemblerX8632::cvtfloat2float,
- &X8632::AssemblerX8632::cvtfloat2float};
- emitIASRegOpTyXMM(Func, SrcTy, Dest, Src, Emitter);
- return;
- }
- case Dq2ps: {
- assert(isVectorIntegerType(SrcTy));
- assert(isVectorFloatingType(DestTy));
- static const X8632::AssemblerX8632::XmmEmitterRegOp Emitter = {
- &X8632::AssemblerX8632::cvtdq2ps, &X8632::AssemblerX8632::cvtdq2ps};
- emitIASRegOpTyXMM(Func, DestTy, Dest, Src, Emitter);
- return;
- }
- case Tps2dq: {
- assert(isVectorFloatingType(SrcTy));
- assert(isVectorIntegerType(DestTy));
- static const X8632::AssemblerX8632::XmmEmitterRegOp Emitter = {
- &X8632::AssemblerX8632::cvttps2dq, &X8632::AssemblerX8632::cvttps2dq};
- emitIASRegOpTyXMM(Func, DestTy, Dest, Src, Emitter);
- return;
- }
- }
-}
-
-void InstX8632Cvt::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- dumpDest(Func);
- Str << " = cvt";
- if (isTruncating())
- Str << "t";
- Str << TypeX8632Attributes[getSrc(0)->getType()].CvtString << "2"
- << TypeX8632Attributes[getDest()->getType()].CvtString << " ";
- dumpSources(Func);
-}
-
-void InstX8632Icmp::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- Str << "\tcmp" << getWidthString(getSrc(0)->getType()) << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
-}
-
-void InstX8632Icmp::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- const Operand *Src0 = getSrc(0);
- const Operand *Src1 = getSrc(1);
- Type Ty = Src0->getType();
- static const X8632::AssemblerX8632::GPREmitterRegOp RegEmitter = {
- &X8632::AssemblerX8632::cmp, &X8632::AssemblerX8632::cmp,
- &X8632::AssemblerX8632::cmp};
- static const X8632::AssemblerX8632::GPREmitterAddrOp AddrEmitter = {
- &X8632::AssemblerX8632::cmp, &X8632::AssemblerX8632::cmp};
- if (const auto SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
- if (SrcVar0->hasReg()) {
- emitIASRegOpTyGPR(Func, Ty, SrcVar0, Src1, RegEmitter);
- return;
- }
- }
- emitIASAsAddrOpTyGPR(Func, Ty, Src0, Src1, AddrEmitter);
-}
-
-void InstX8632Icmp::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "cmp." << getSrc(0)->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632Ucomiss::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- Str << "\tucomi" << TypeX8632Attributes[getSrc(0)->getType()].SdSsString
- << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
-}
-
-void InstX8632Ucomiss::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- // Currently src0 is always a variable by convention, to avoid having
- // two memory operands.
- assert(llvm::isa<Variable>(getSrc(0)));
- const auto Src0Var = llvm::cast<Variable>(getSrc(0));
- Type Ty = Src0Var->getType();
- const static X8632::AssemblerX8632::XmmEmitterRegOp Emitter = {
- &X8632::AssemblerX8632::ucomiss, &X8632::AssemblerX8632::ucomiss};
- emitIASRegOpTyXMM(Func, Ty, Src0Var, getSrc(1), Emitter);
-}
-
-void InstX8632Ucomiss::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "ucomiss." << getSrc(0)->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632UD2::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 0);
- Str << "\tud2";
-}
-
-void InstX8632UD2::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->ud2();
-}
-
-void InstX8632UD2::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "ud2";
-}
-
-void InstX8632Test::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- Str << "\ttest" << getWidthString(getSrc(0)->getType()) << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
-}
-
-void InstX8632Test::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- const Operand *Src0 = getSrc(0);
- const Operand *Src1 = getSrc(1);
- Type Ty = Src0->getType();
- // The Reg/Addr form of test is not encodeable.
- static const X8632::AssemblerX8632::GPREmitterRegOp RegEmitter = {
- &X8632::AssemblerX8632::test, nullptr, &X8632::AssemblerX8632::test};
- static const X8632::AssemblerX8632::GPREmitterAddrOp AddrEmitter = {
- &X8632::AssemblerX8632::test, &X8632::AssemblerX8632::test};
- if (const auto SrcVar0 = llvm::dyn_cast<Variable>(Src0)) {
- if (SrcVar0->hasReg()) {
- emitIASRegOpTyGPR(Func, Ty, SrcVar0, Src1, RegEmitter);
- return;
- }
- }
- llvm_unreachable("Nothing actually generates this so it's untested");
- emitIASAsAddrOpTyGPR(Func, Ty, Src0, Src1, AddrEmitter);
-}
-
-void InstX8632Test::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "test." << getSrc(0)->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632Mfence::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 0);
- Str << "\tmfence";
-}
-
-void InstX8632Mfence::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->mfence();
-}
-
-void InstX8632Mfence::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "mfence";
-}
-
-void InstX8632Store::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- Type Ty = getSrc(0)->getType();
- Str << "\tmov" << getWidthString(Ty) << TypeX8632Attributes[Ty].SdSsString
- << "\t";
- getSrc(0)->emit(Func);
- Str << ", ";
- getSrc(1)->emit(Func);
-}
-
-void InstX8632Store::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- const Operand *Dest = getSrc(1);
- const Operand *Src = getSrc(0);
- Type DestTy = Dest->getType();
- if (isScalarFloatingType(DestTy)) {
- // Src must be a register, since Dest is a Mem operand of some kind.
- const auto SrcVar = llvm::cast<Variable>(Src);
- assert(SrcVar->hasReg());
- RegX8632::XmmRegister SrcReg = RegX8632::getEncodedXmm(SrcVar->getRegNum());
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- if (const auto DestVar = llvm::dyn_cast<Variable>(Dest)) {
- assert(!DestVar->hasReg());
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(DestVar));
- Asm->movss(DestTy, StackAddr, SrcReg);
- } else {
- const auto DestMem = llvm::cast<OperandX8632Mem>(Dest);
- assert(DestMem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- Asm->movss(DestTy, DestMem->toAsmAddress(Asm), SrcReg);
- }
- return;
- } else {
- assert(isScalarIntegerType(DestTy));
- static const X8632::AssemblerX8632::GPREmitterAddrOp GPRAddrEmitter = {
- &X8632::AssemblerX8632::mov, &X8632::AssemblerX8632::mov};
- emitIASAsAddrOpTyGPR(Func, DestTy, Dest, Src, GPRAddrEmitter);
- }
-}
-
-void InstX8632Store::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "mov." << getSrc(0)->getType() << " ";
- getSrc(1)->dump(Func);
- Str << ", ";
- getSrc(0)->dump(Func);
-}
-
-void InstX8632StoreP::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- Str << "\tmovups\t";
- getSrc(0)->emit(Func);
- Str << ", ";
- getSrc(1)->emit(Func);
-}
-
-void InstX8632StoreP::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(getSrcSize() == 2);
- const auto SrcVar = llvm::cast<Variable>(getSrc(0));
- const auto DestMem = llvm::cast<OperandX8632Mem>(getSrc(1));
- assert(DestMem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- assert(SrcVar->hasReg());
- Asm->movups(DestMem->toAsmAddress(Asm),
- RegX8632::getEncodedXmm(SrcVar->getRegNum()));
-}
-
-void InstX8632StoreP::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "storep." << getSrc(0)->getType() << " ";
- getSrc(1)->dump(Func);
- Str << ", ";
- getSrc(0)->dump(Func);
-}
-
-void InstX8632StoreQ::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- assert(getSrc(1)->getType() == IceType_i64 ||
- getSrc(1)->getType() == IceType_f64);
- Str << "\tmovq\t";
- getSrc(0)->emit(Func);
- Str << ", ";
- getSrc(1)->emit(Func);
-}
-
-void InstX8632StoreQ::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(getSrcSize() == 2);
- const auto SrcVar = llvm::cast<Variable>(getSrc(0));
- const auto DestMem = llvm::cast<OperandX8632Mem>(getSrc(1));
- assert(DestMem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- assert(SrcVar->hasReg());
- Asm->movq(DestMem->toAsmAddress(Asm),
- RegX8632::getEncodedXmm(SrcVar->getRegNum()));
-}
-
-void InstX8632StoreQ::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "storeq." << getSrc(0)->getType() << " ";
- getSrc(1)->dump(Func);
- Str << ", ";
- getSrc(0)->dump(Func);
-}
-
-template <> void InstX8632Lea::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- assert(getDest()->hasReg());
- Str << "\tleal\t";
- Operand *Src0 = getSrc(0);
- if (const auto Src0Var = llvm::dyn_cast<Variable>(Src0)) {
- Type Ty = Src0Var->getType();
- // lea on x86-32 doesn't accept mem128 operands, so cast VSrc0 to an
- // acceptable type.
- Src0Var->asType(isVectorType(Ty) ? IceType_i32 : Ty)->emit(Func);
- } else {
- Src0->emit(Func);
- }
- Str << ", ";
- getDest()->emit(Func);
-}
-
-template <> void InstX8632Mov::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Operand *Src = getSrc(0);
- Type SrcTy = Src->getType();
- Type DestTy = getDest()->getType();
- Str << "\tmov" << (!isScalarFloatingType(DestTy)
- ? getWidthString(SrcTy)
- : TypeX8632Attributes[DestTy].SdSsString) << "\t";
- // For an integer truncation operation, src is wider than dest.
- // Ideally, we use a mov instruction whose data width matches the
- // narrower dest. This is a problem if e.g. src is a register like
- // esi or si where there is no 8-bit version of the register. To be
- // safe, we instead widen the dest to match src. This works even
- // for stack-allocated dest variables because typeWidthOnStack()
- // pads to a 4-byte boundary even if only a lower portion is used.
- // TODO: This assert disallows usages such as copying a floating point
- // value between a vector and a scalar (which movss is used for).
- // Clean this up.
- assert(Func->getTarget()->typeWidthInBytesOnStack(DestTy) ==
- Func->getTarget()->typeWidthInBytesOnStack(SrcTy));
- Src->emit(Func);
- Str << ", ";
- getDest()->asType(SrcTy)->emit(Func);
-}
-
-template <> void InstX8632Mov::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 1);
- const Variable *Dest = getDest();
- const Operand *Src = getSrc(0);
- Type DestTy = Dest->getType();
- Type SrcTy = Src->getType();
- // Mov can be used for GPRs or XMM registers. Also, the type does not
- // necessarily match (Mov can be used for bitcasts). However, when
- // the type does not match, one of the operands must be a register.
- // Thus, the strategy is to find out if Src or Dest are a register,
- // then use that register's type to decide on which emitter set to use.
- // The emitter set will include reg-reg movs, but that case should
- // be unused when the types don't match.
- static const X8632::AssemblerX8632::XmmEmitterRegOp XmmRegEmitter = {
- &X8632::AssemblerX8632::movss, &X8632::AssemblerX8632::movss};
- static const X8632::AssemblerX8632::GPREmitterRegOp GPRRegEmitter = {
- &X8632::AssemblerX8632::mov, &X8632::AssemblerX8632::mov,
- &X8632::AssemblerX8632::mov};
- static const X8632::AssemblerX8632::GPREmitterAddrOp GPRAddrEmitter = {
- &X8632::AssemblerX8632::mov, &X8632::AssemblerX8632::mov};
- // For an integer truncation operation, src is wider than dest.
- // Ideally, we use a mov instruction whose data width matches the
- // narrower dest. This is a problem if e.g. src is a register like
- // esi or si where there is no 8-bit version of the register. To be
- // safe, we instead widen the dest to match src. This works even
- // for stack-allocated dest variables because typeWidthOnStack()
- // pads to a 4-byte boundary even if only a lower portion is used.
- // TODO: This assert disallows usages such as copying a floating point
- // value between a vector and a scalar (which movss is used for).
- // Clean this up.
- assert(Func->getTarget()->typeWidthInBytesOnStack(getDest()->getType()) ==
- Func->getTarget()->typeWidthInBytesOnStack(Src->getType()));
- if (Dest->hasReg()) {
- if (isScalarFloatingType(DestTy)) {
- emitIASRegOpTyXMM(Func, DestTy, Dest, Src, XmmRegEmitter);
- return;
- } else {
- assert(isScalarIntegerType(DestTy));
- // Widen DestTy for truncation (see above note). We should only do this
- // when both Src and Dest are integer types.
- if (isScalarIntegerType(SrcTy)) {
- DestTy = SrcTy;
- }
- emitIASRegOpTyGPR(Func, DestTy, Dest, Src, GPRRegEmitter);
- return;
- }
- } else {
- // Dest must be Stack and Src *could* be a register. Use Src's type
- // to decide on the emitters.
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Dest));
- if (isScalarFloatingType(SrcTy)) {
- // Src must be a register.
- const auto SrcVar = llvm::cast<Variable>(Src);
- assert(SrcVar->hasReg());
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->movss(SrcTy, StackAddr,
- RegX8632::getEncodedXmm(SrcVar->getRegNum()));
- return;
- } else {
- // Src can be a register or immediate.
- assert(isScalarIntegerType(SrcTy));
- emitIASAddrOpTyGPR(Func, SrcTy, StackAddr, Src, GPRAddrEmitter);
- return;
- }
- return;
- }
-}
-
-template <> void InstX8632Movd::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(getSrcSize() == 1);
- const Variable *Dest = getDest();
- const auto SrcVar = llvm::cast<Variable>(getSrc(0));
- // For insert/extract element (one of Src/Dest is an Xmm vector and
- // the other is an int type).
- if (SrcVar->getType() == IceType_i32) {
- assert(isVectorType(Dest->getType()));
- assert(Dest->hasReg());
- RegX8632::XmmRegister DestReg = RegX8632::getEncodedXmm(Dest->getRegNum());
- if (SrcVar->hasReg()) {
- Asm->movd(DestReg, RegX8632::getEncodedGPR(SrcVar->getRegNum()));
- } else {
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(SrcVar));
- Asm->movd(DestReg, StackAddr);
- }
- } else {
- assert(isVectorType(SrcVar->getType()));
- assert(SrcVar->hasReg());
- assert(Dest->getType() == IceType_i32);
- RegX8632::XmmRegister SrcReg = RegX8632::getEncodedXmm(SrcVar->getRegNum());
- if (Dest->hasReg()) {
- Asm->movd(RegX8632::getEncodedGPR(Dest->getRegNum()), SrcReg);
- } else {
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Dest));
- Asm->movd(StackAddr, SrcReg);
- }
- }
-}
-
-template <> void InstX8632Movp::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- // TODO(wala,stichnot): movups works with all vector operands, but
- // there exist other instructions (movaps, movdqa, movdqu) that may
- // perform better, depending on the data type and alignment of the
- // operands.
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Str << "\tmovups\t";
- getSrc(0)->emit(Func);
- Str << ", ";
- getDest()->emit(Func);
-}
-
-template <> void InstX8632Movp::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 1);
- assert(isVectorType(getDest()->getType()));
- const Variable *Dest = getDest();
- const Operand *Src = getSrc(0);
- const static X8632::AssemblerX8632::XmmEmitterMovOps Emitter = {
- &X8632::AssemblerX8632::movups, &X8632::AssemblerX8632::movups,
- &X8632::AssemblerX8632::movups};
- emitIASMovlikeXMM(Func, Dest, Src, Emitter);
-}
-
-template <> void InstX8632Movq::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- assert(getDest()->getType() == IceType_i64 ||
- getDest()->getType() == IceType_f64);
- Str << "\tmovq\t";
- getSrc(0)->emit(Func);
- Str << ", ";
- getDest()->emit(Func);
-}
-
-template <> void InstX8632Movq::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 1);
- assert(getDest()->getType() == IceType_i64 ||
- getDest()->getType() == IceType_f64);
- const Variable *Dest = getDest();
- const Operand *Src = getSrc(0);
- const static X8632::AssemblerX8632::XmmEmitterMovOps Emitter = {
- &X8632::AssemblerX8632::movq, &X8632::AssemblerX8632::movq,
- &X8632::AssemblerX8632::movq};
- emitIASMovlikeXMM(Func, Dest, Src, Emitter);
-}
-
-template <> void InstX8632MovssRegs::emitIAS(const Cfg *Func) const {
- // This is Binop variant is only intended to be used for reg-reg moves
- // where part of the Dest register is untouched.
- assert(getSrcSize() == 2);
- const Variable *Dest = getDest();
- assert(Dest == getSrc(0));
- const auto SrcVar = llvm::cast<Variable>(getSrc(1));
- assert(Dest->hasReg() && SrcVar->hasReg());
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->movss(IceType_f32, RegX8632::getEncodedXmm(Dest->getRegNum()),
- RegX8632::getEncodedXmm(SrcVar->getRegNum()));
-}
-
-template <> void InstX8632Movsx::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 1);
- const Variable *Dest = getDest();
- const Operand *Src = getSrc(0);
- // Dest must be a > 8-bit register, but Src can be 8-bit. In practice
- // we just use the full register for Dest to avoid having an
- // OperandSizeOverride prefix. It also allows us to only dispatch on SrcTy.
- Type SrcTy = Src->getType();
- assert(typeWidthInBytes(Dest->getType()) > 1);
- assert(typeWidthInBytes(Dest->getType()) > typeWidthInBytes(SrcTy));
- emitIASRegOpTyGPR<false, true>(Func, SrcTy, Dest, Src, Emitter);
-}
-
-template <> void InstX8632Movzx::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 1);
- const Variable *Dest = getDest();
- const Operand *Src = getSrc(0);
- Type SrcTy = Src->getType();
- assert(typeWidthInBytes(Dest->getType()) > 1);
- assert(typeWidthInBytes(Dest->getType()) > typeWidthInBytes(SrcTy));
- emitIASRegOpTyGPR<false, true>(Func, SrcTy, Dest, Src, Emitter);
-}
-
-void InstX8632Nop::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- // TODO: Emit the right code for each variant.
- Str << "\tnop\t# variant = " << Variant;
-}
-
-void InstX8632Nop::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- // TODO: Emit the right code for the variant.
- Asm->nop();
-}
-
-void InstX8632Nop::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "nop (variant = " << Variant << ")";
-}
-
-void InstX8632Fld::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- Type Ty = getSrc(0)->getType();
- SizeT Width = typeWidthInBytes(Ty);
- const auto Var = llvm::dyn_cast<Variable>(getSrc(0));
- if (Var && Var->hasReg()) {
- // This is a physical xmm register, so we need to spill it to a
- // temporary stack slot.
- Str << "\tsubl\t$" << Width << ", %esp"
- << "\n";
- Str << "\tmov" << TypeX8632Attributes[Ty].SdSsString << "\t";
- Var->emit(Func);
- Str << ", (%esp)\n";
- Str << "\tfld" << getFldString(Ty) << "\t"
- << "(%esp)\n";
- Str << "\taddl\t$" << Width << ", %esp";
- return;
- }
- Str << "\tfld" << getFldString(Ty) << "\t";
- getSrc(0)->emit(Func);
-}
-
-void InstX8632Fld::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(getSrcSize() == 1);
- const Operand *Src = getSrc(0);
- Type Ty = Src->getType();
- if (const auto Var = llvm::dyn_cast<Variable>(Src)) {
- if (Var->hasReg()) {
- // This is a physical xmm register, so we need to spill it to a
- // temporary stack slot.
- X8632::Immediate Width(typeWidthInBytes(Ty));
- Asm->sub(IceType_i32, RegX8632::Encoded_Reg_esp, Width);
- X8632::Traits::Address StackSlot =
- X8632::Traits::Address(RegX8632::Encoded_Reg_esp, 0);
- Asm->movss(Ty, StackSlot, RegX8632::getEncodedXmm(Var->getRegNum()));
- Asm->fld(Ty, StackSlot);
- Asm->add(IceType_i32, RegX8632::Encoded_Reg_esp, Width);
- } else {
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Var));
- Asm->fld(Ty, StackAddr);
- }
- } else if (const auto Mem = llvm::dyn_cast<OperandX8632Mem>(Src)) {
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- Asm->fld(Ty, Mem->toAsmAddress(Asm));
- } else if (const auto Imm = llvm::dyn_cast<Constant>(Src)) {
- Asm->fld(Ty, X8632::Traits::Address::ofConstPool(Asm, Imm));
- } else {
- llvm_unreachable("Unexpected operand type");
- }
-}
-
-void InstX8632Fld::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "fld." << getSrc(0)->getType() << " ";
- dumpSources(Func);
-}
-
-void InstX8632Fstp::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 0);
- // TODO(jvoung,stichnot): Utilize this by setting Dest to nullptr to
- // "partially" delete the fstp if the Dest is unused.
- // Even if Dest is unused, the fstp should be kept for the SideEffects
- // of popping the stack.
- if (!getDest()) {
- Str << "\tfstp\tst(0)";
- return;
- }
- Type Ty = getDest()->getType();
- size_t Width = typeWidthInBytes(Ty);
- if (!getDest()->hasReg()) {
- Str << "\tfstp" << getFldString(Ty) << "\t";
- getDest()->emit(Func);
- return;
- }
- // Dest is a physical (xmm) register, so st(0) needs to go through
- // memory. Hack this by creating a temporary stack slot, spilling
- // st(0) there, loading it into the xmm register, and deallocating
- // the stack slot.
- Str << "\tsubl\t$" << Width << ", %esp\n";
- Str << "\tfstp" << getFldString(Ty) << "\t"
- << "(%esp)\n";
- Str << "\tmov" << TypeX8632Attributes[Ty].SdSsString << "\t"
- << "(%esp), ";
- getDest()->emit(Func);
- Str << "\n";
- Str << "\taddl\t$" << Width << ", %esp";
-}
-
-void InstX8632Fstp::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- assert(getSrcSize() == 0);
- const Variable *Dest = getDest();
- // TODO(jvoung,stichnot): Utilize this by setting Dest to nullptr to
- // "partially" delete the fstp if the Dest is unused.
- // Even if Dest is unused, the fstp should be kept for the SideEffects
- // of popping the stack.
- if (!Dest) {
- Asm->fstp(RegX8632::getEncodedSTReg(0));
- return;
- }
- Type Ty = Dest->getType();
- if (!Dest->hasReg()) {
- X8632::Traits::Address StackAddr(
- static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(Dest));
- Asm->fstp(Ty, StackAddr);
- } else {
- // Dest is a physical (xmm) register, so st(0) needs to go through
- // memory. Hack this by creating a temporary stack slot, spilling
- // st(0) there, loading it into the xmm register, and deallocating
- // the stack slot.
- X8632::Immediate Width(typeWidthInBytes(Ty));
- Asm->sub(IceType_i32, RegX8632::Encoded_Reg_esp, Width);
- X8632::Traits::Address StackSlot =
- X8632::Traits::Address(RegX8632::Encoded_Reg_esp, 0);
- Asm->fstp(Ty, StackSlot);
- Asm->movss(Ty, RegX8632::getEncodedXmm(Dest->getRegNum()), StackSlot);
- Asm->add(IceType_i32, RegX8632::Encoded_Reg_esp, Width);
- }
-}
-
-void InstX8632Fstp::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- dumpDest(Func);
- Str << " = fstp." << getDest()->getType() << ", st(0)";
-}
-
-template <> void InstX8632Pcmpeq::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "pcmpeq%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Pcmpgt::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "pcmpgt%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Pextr::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 2);
- // pextrb and pextrd are SSE4.1 instructions.
- assert(getSrc(0)->getType() == IceType_v8i16 ||
- getSrc(0)->getType() == IceType_v8i1 ||
- static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- Str << "\t" << Opcode << TypeX8632Attributes[getSrc(0)->getType()].PackString
- << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
- Str << ", ";
- Variable *Dest = getDest();
- // pextrw must take a register dest. There is an SSE4.1 version that takes
- // a memory dest, but we aren't using it. For uniformity, just restrict
- // them all to have a register dest for now.
- assert(Dest->hasReg());
- Dest->asType(IceType_i32)->emit(Func);
-}
-
-template <> void InstX8632Pextr::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- // pextrb and pextrd are SSE4.1 instructions.
- const Variable *Dest = getDest();
- Type DispatchTy = Dest->getType();
- assert(DispatchTy == IceType_i16 ||
- static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- // pextrw must take a register dest. There is an SSE4.1 version that takes
- // a memory dest, but we aren't using it. For uniformity, just restrict
- // them all to have a register dest for now.
- assert(Dest->hasReg());
- // pextrw's Src(0) must be a register (both SSE4.1 and SSE2).
- assert(llvm::cast<Variable>(getSrc(0))->hasReg());
- static const X8632::AssemblerX8632::ThreeOpImmEmitter<
- RegX8632::GPRRegister, RegX8632::XmmRegister> Emitter = {
- &X8632::AssemblerX8632::pextr, nullptr};
- emitIASThreeOpImmOps<RegX8632::GPRRegister, RegX8632::XmmRegister,
- RegX8632::getEncodedGPR, RegX8632::getEncodedXmm>(
- Func, DispatchTy, Dest, getSrc(0), getSrc(1), Emitter);
-}
-
-template <> void InstX8632Pinsr::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 3);
- // pinsrb and pinsrd are SSE4.1 instructions.
- assert(getDest()->getType() == IceType_v8i16 ||
- getDest()->getType() == IceType_v8i1 ||
- static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- Str << "\t" << Opcode << TypeX8632Attributes[getDest()->getType()].PackString
- << "\t";
- getSrc(2)->emit(Func);
- Str << ", ";
- Operand *Src1 = getSrc(1);
- if (const auto Src1Var = llvm::dyn_cast<Variable>(Src1)) {
- // If src1 is a register, it should always be r32.
- if (Src1Var->hasReg()) {
- Src1Var->asType(IceType_i32)->emit(Func);
- } else {
- Src1Var->emit(Func);
- }
- } else {
- Src1->emit(Func);
- }
- Str << ", ";
- getDest()->emit(Func);
-}
-
-template <> void InstX8632Pinsr::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- assert(getDest() == getSrc(0));
- // pinsrb and pinsrd are SSE4.1 instructions.
- const Operand *Src0 = getSrc(1);
- Type DispatchTy = Src0->getType();
- assert(DispatchTy == IceType_i16 ||
- static_cast<TargetX8632 *>(Func->getTarget())->getInstructionSet() >=
- X8632::Traits::SSE4_1);
- // If src1 is a register, it should always be r32 (this should fall out
- // from the encodings for ByteRegs overlapping the encodings for r32),
- // but we have to trust the regalloc to not choose "ah", where it
- // doesn't overlap.
- static const X8632::AssemblerX8632::ThreeOpImmEmitter<
- RegX8632::XmmRegister, RegX8632::GPRRegister> Emitter = {
- &X8632::AssemblerX8632::pinsr, &X8632::AssemblerX8632::pinsr};
- emitIASThreeOpImmOps<RegX8632::XmmRegister, RegX8632::GPRRegister,
- RegX8632::getEncodedXmm, RegX8632::getEncodedGPR>(
- Func, DispatchTy, getDest(), Src0, getSrc(2), Emitter);
-}
-
-template <> void InstX8632Pshufd::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- const Variable *Dest = getDest();
- Type Ty = Dest->getType();
- static const X8632::AssemblerX8632::ThreeOpImmEmitter<
- RegX8632::XmmRegister, RegX8632::XmmRegister> Emitter = {
- &X8632::AssemblerX8632::pshufd, &X8632::AssemblerX8632::pshufd};
- emitIASThreeOpImmOps<RegX8632::XmmRegister, RegX8632::XmmRegister,
- RegX8632::getEncodedXmm, RegX8632::getEncodedXmm>(
- Func, Ty, Dest, getSrc(0), getSrc(1), Emitter);
-}
-
-template <> void InstX8632Shufps::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 3);
- const Variable *Dest = getDest();
- assert(Dest == getSrc(0));
- Type Ty = Dest->getType();
- static const X8632::AssemblerX8632::ThreeOpImmEmitter<
- RegX8632::XmmRegister, RegX8632::XmmRegister> Emitter = {
- &X8632::AssemblerX8632::shufps, &X8632::AssemblerX8632::shufps};
- emitIASThreeOpImmOps<RegX8632::XmmRegister, RegX8632::XmmRegister,
- RegX8632::getEncodedXmm, RegX8632::getEncodedXmm>(
- Func, Ty, Dest, getSrc(1), getSrc(2), Emitter);
-}
-
-void InstX8632Pop::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 0);
- Str << "\tpop\t";
- getDest()->emit(Func);
-}
-
-void InstX8632Pop::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 0);
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- if (getDest()->hasReg()) {
- Asm->popl(RegX8632::getEncodedGPR(getDest()->getRegNum()));
- } else {
- Asm->popl(static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(getDest()));
- }
-}
-
-void InstX8632Pop::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- dumpDest(Func);
- Str << " = pop." << getDest()->getType() << " ";
-}
-
-void InstX8632AdjustStack::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Str << "\tsubl\t$" << Amount << ", %esp";
- Func->getTarget()->updateStackAdjustment(Amount);
-}
-
-void InstX8632AdjustStack::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->sub(IceType_i32, RegX8632::Encoded_Reg_esp, X8632::Immediate(Amount));
- Func->getTarget()->updateStackAdjustment(Amount);
-}
-
-void InstX8632AdjustStack::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "esp = sub.i32 esp, " << Amount;
-}
-
-void InstX8632Push::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- assert(getSrcSize() == 1);
- // Push is currently only used for saving GPRs.
- const auto Var = llvm::cast<Variable>(getSrc(0));
- assert(Var->hasReg());
- Str << "\tpush\t";
- Var->emit(Func);
-}
-
-void InstX8632Push::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 1);
- // Push is currently only used for saving GPRs.
- const auto Var = llvm::cast<Variable>(getSrc(0));
- assert(Var->hasReg());
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->pushl(RegX8632::getEncodedGPR(Var->getRegNum()));
-}
-
-void InstX8632Push::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "push." << getSrc(0)->getType() << " ";
- dumpSources(Func);
-}
-
-template <> void InstX8632Psll::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- assert(getDest()->getType() == IceType_v8i16 ||
- getDest()->getType() == IceType_v8i1 ||
- getDest()->getType() == IceType_v4i32 ||
- getDest()->getType() == IceType_v4i1);
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "psll%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
-
-template <> void InstX8632Psra::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- assert(getDest()->getType() == IceType_v8i16 ||
- getDest()->getType() == IceType_v8i1 ||
- getDest()->getType() == IceType_v4i32 ||
- getDest()->getType() == IceType_v4i1);
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "psra%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
+/// This file also defines X8632 operand specific methods (dump and emit.)
+///
+//===----------------------------------------------------------------------===//
+#include "IceInstX8632.h"
-template <> void InstX8632Psrl::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- char buf[30];
- snprintf(buf, llvm::array_lengthof(buf), "psrl%s",
- TypeX8632Attributes[getDest()->getType()].PackString);
- emitTwoAddress(buf, this, Func);
-}
+#include "IceAssemblerX8632.h"
+#include "IceCfg.h"
+#include "IceCfgNode.h"
+#include "IceConditionCodesX8632.h"
+#include "IceInst.h"
+#include "IceRegistersX8632.h"
+#include "IceTargetLoweringX8632.h"
+#include "IceOperand.h"
-void InstX8632Ret::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Str << "\tret";
-}
+namespace Ice {
-void InstX8632Ret::emitIAS(const Cfg *Func) const {
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Asm->ret();
-}
+namespace X86Internal {
-void InstX8632Ret::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Type Ty = (getSrcSize() == 0 ? IceType_void : getSrc(0)->getType());
- Str << "ret." << Ty << " ";
- dumpSources(Func);
-}
+const MachineTraits<TargetX8632>::InstBrAttributesType
+ MachineTraits<TargetX8632>::InstBrAttributes[] = {
+#define X(tag, encode, opp, dump, emit) \
+ { X8632::Traits::Cond::opp, dump, emit } \
+ ,
+ ICEINSTX8632BR_TABLE
+#undef X
+};
-void InstX8632Setcc::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Str << "\tset" << InstX8632BrAttributes[Condition].DisplayString << "\t";
- Dest->emit(Func);
-}
+const MachineTraits<TargetX8632>::InstCmppsAttributesType
+ MachineTraits<TargetX8632>::InstCmppsAttributes[] = {
+#define X(tag, emit) \
+ { emit } \
+ ,
+ ICEINSTX8632CMPPS_TABLE
+#undef X
+};
-void InstX8632Setcc::emitIAS(const Cfg *Func) const {
- assert(Condition != X8632::Traits::Cond::Br_None);
- assert(getDest()->getType() == IceType_i1);
- assert(getSrcSize() == 0);
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- if (getDest()->hasReg())
- Asm->setcc(Condition, RegX8632::getEncodedByteReg(getDest()->getRegNum()));
- else
- Asm->setcc(Condition, static_cast<TargetX8632 *>(Func->getTarget())
- ->stackVarToAsmOperand(getDest()));
- return;
-}
+const MachineTraits<TargetX8632>::TypeAttributesType
+ MachineTraits<TargetX8632>::TypeAttributes[] = {
+#define X(tag, elementty, cvt, sdss, pack, width, fld) \
+ { cvt, sdss, pack, width, fld } \
+ ,
+ ICETYPEX8632_TABLE
+#undef X
+};
-void InstX8632Setcc::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Str << "setcc." << InstX8632BrAttributes[Condition].DisplayString << " ";
- dumpDest(Func);
-}
+const char *MachineTraits<TargetX8632>::InstSegmentRegNames[] = {
+#define X(val, name, prefix) name,
+ SEG_REGX8632_TABLE
+#undef X
+};
-void InstX8632Xadd::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- if (Locked) {
- Str << "\tlock";
- }
- Str << "\txadd" << getWidthString(getSrc(0)->getType()) << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
-}
+uint8_t MachineTraits<TargetX8632>::InstSegmentPrefixes[] = {
+#define X(val, name, prefix) prefix,
+ SEG_REGX8632_TABLE
+#undef X
+};
-void InstX8632Xadd::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Type Ty = getSrc(0)->getType();
- const auto Mem = llvm::cast<OperandX8632Mem>(getSrc(0));
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- const X8632::Traits::Address Addr = Mem->toAsmAddress(Asm);
- const auto VarReg = llvm::cast<Variable>(getSrc(1));
- assert(VarReg->hasReg());
- const RegX8632::GPRRegister Reg =
- RegX8632::getEncodedGPR(VarReg->getRegNum());
- Asm->xadd(Ty, Addr, Reg, Locked);
+void MachineTraits<TargetX8632>::X86Operand::dump(const Cfg *,
+ Ostream &Str) const {
+ if (BuildDefs::dump())
+ Str << "<OperandX8632>";
}
-void InstX8632Xadd::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- if (Locked) {
- Str << "lock ";
+MachineTraits<TargetX8632>::X86OperandMem::X86OperandMem(
+ Cfg *Func, Type Ty, Variable *Base, Constant *Offset, Variable *Index,
+ uint16_t Shift, SegmentRegisters SegmentReg)
+ : X86Operand(kMem, Ty), Base(Base), Offset(Offset), Index(Index),
+ Shift(Shift), SegmentReg(SegmentReg), Randomized(false) {
+ assert(Shift <= 3);
+ Vars = nullptr;
+ NumVars = 0;
+ if (Base)
+ ++NumVars;
+ if (Index)
+ ++NumVars;
+ if (NumVars) {
+ Vars = Func->allocateArrayOf<Variable *>(NumVars);
+ SizeT I = 0;
+ if (Base)
+ Vars[I++] = Base;
+ if (Index)
+ Vars[I++] = Index;
+ assert(I == NumVars);
}
- Type Ty = getSrc(0)->getType();
- Str << "xadd." << Ty << " ";
- dumpSources(Func);
-}
-
-void InstX8632Xchg::emit(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrEmit();
- Str << "\txchg" << getWidthString(getSrc(0)->getType()) << "\t";
- getSrc(1)->emit(Func);
- Str << ", ";
- getSrc(0)->emit(Func);
-}
-
-void InstX8632Xchg::emitIAS(const Cfg *Func) const {
- assert(getSrcSize() == 2);
- X8632::AssemblerX8632 *Asm = Func->getAssembler<X8632::AssemblerX8632>();
- Type Ty = getSrc(0)->getType();
- const auto Mem = llvm::cast<OperandX8632Mem>(getSrc(0));
- assert(Mem->getSegmentRegister() == OperandX8632Mem::DefaultSegment);
- const X8632::Traits::Address Addr = Mem->toAsmAddress(Asm);
- const auto VarReg = llvm::cast<Variable>(getSrc(1));
- assert(VarReg->hasReg());
- const RegX8632::GPRRegister Reg =
- RegX8632::getEncodedGPR(VarReg->getRegNum());
- Asm->xchg(Ty, Addr, Reg);
-}
-
-void InstX8632Xchg::dump(const Cfg *Func) const {
- if (!BuildDefs::dump())
- return;
- Ostream &Str = Func->getContext()->getStrDump();
- Type Ty = getSrc(0)->getType();
- Str << "xchg." << Ty << " ";
- dumpSources(Func);
}
-void OperandX8632Mem::emit(const Cfg *Func) const {
+void MachineTraits<TargetX8632>::X86OperandMem::emit(const Cfg *Func) const {
if (!BuildDefs::dump())
return;
Ostream &Str = Func->getContext()->getStrEmit();
if (SegmentReg != DefaultSegment) {
assert(SegmentReg >= 0 && SegmentReg < SegReg_NUM);
- Str << "%" << InstX8632SegmentRegNames[SegmentReg] << ":";
+ Str << "%" << X8632::Traits::InstSegmentRegNames[SegmentReg] << ":";
}
// Emit as Offset(Base,Index,1<<Shift).
// Offset is emitted without the leading '$'.
@@ -2943,12 +134,13 @@ void OperandX8632Mem::emit(const Cfg *Func) const {
}
}
-void OperandX8632Mem::dump(const Cfg *Func, Ostream &Str) const {
+void MachineTraits<TargetX8632>::X86OperandMem::dump(const Cfg *Func,
+ Ostream &Str) const {
if (!BuildDefs::dump())
return;
if (SegmentReg != DefaultSegment) {
assert(SegmentReg >= 0 && SegmentReg < SegReg_NUM);
- Str << InstX8632SegmentRegNames[SegmentReg] << ":";
+ Str << X8632::Traits::InstSegmentRegNames[SegmentReg] << ":";
}
bool Dumped = false;
Str << "[";
@@ -2994,14 +186,17 @@ void OperandX8632Mem::dump(const Cfg *Func, Ostream &Str) const {
Str << "]";
}
-void OperandX8632Mem::emitSegmentOverride(X8632::AssemblerX8632 *Asm) const {
+void MachineTraits<TargetX8632>::X86OperandMem::emitSegmentOverride(
+ MachineTraits<TargetX8632>::Assembler *Asm) const {
if (SegmentReg != DefaultSegment) {
assert(SegmentReg >= 0 && SegmentReg < SegReg_NUM);
- Asm->emitSegmentOverride(InstX8632SegmentPrefixes[SegmentReg]);
+ Asm->emitSegmentOverride(X8632::Traits::InstSegmentPrefixes[SegmentReg]);
}
}
-X8632::Traits::Address OperandX8632Mem::toAsmAddress(Assembler *Asm) const {
+MachineTraits<TargetX8632>::Address
+MachineTraits<TargetX8632>::X86OperandMem::toAsmAddress(
+ MachineTraits<TargetX8632>::Assembler *Asm) const {
int32_t Disp = 0;
AssemblerFixup *Fixup = nullptr;
// Determine the offset (is it relocatable?)
@@ -3037,22 +232,23 @@ X8632::Traits::Address OperandX8632Mem::toAsmAddress(Assembler *Asm) const {
}
}
-X8632::Traits::Address VariableSplit::toAsmAddress(const Cfg *Func) const {
+MachineTraits<TargetX8632>::Address
+MachineTraits<TargetX8632>::VariableSplit::toAsmAddress(const Cfg *Func) const {
assert(!Var->hasReg());
- const TargetLowering *Target = Func->getTarget();
+ const ::Ice::TargetLowering *Target = Func->getTarget();
int32_t Offset =
Var->getStackOffset() + Target->getStackAdjustment() + getOffset();
return X8632::Traits::Address(
RegX8632::getEncodedGPR(Target->getFrameOrStackReg()), Offset);
}
-void VariableSplit::emit(const Cfg *Func) const {
+void MachineTraits<TargetX8632>::VariableSplit::emit(const Cfg *Func) const {
if (!BuildDefs::dump())
return;
Ostream &Str = Func->getContext()->getStrEmit();
assert(!Var->hasReg());
// The following is copied/adapted from TargetX8632::emitVariable().
- const TargetLowering *Target = Func->getTarget();
+ const ::Ice::TargetLowering *Target = Func->getTarget();
const Type Ty = IceType_i32;
int32_t Offset =
Var->getStackOffset() + Target->getStackAdjustment() + getOffset();
@@ -3061,7 +257,8 @@ void VariableSplit::emit(const Cfg *Func) const {
Str << "(%" << Target->getRegName(Target->getFrameOrStackReg(), Ty) << ")";
}
-void VariableSplit::dump(const Cfg *Func, Ostream &Str) const {
+void MachineTraits<TargetX8632>::VariableSplit::dump(const Cfg *Func,
+ Ostream &Str) const {
if (!BuildDefs::dump())
return;
switch (Part) {
@@ -3080,4 +277,7 @@ void VariableSplit::dump(const Cfg *Func, Ostream &Str) const {
Str << ")";
}
+} // namespace X86Internal
} // end of namespace Ice
+
+X86INSTS_DEFINE_STATIC_DATA(TargetX8632);
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