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Unified Diff: src/mips/macro-assembler-mips.cc

Issue 149133004: A64: Synchronize with r17807. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index 7b85688a4d9cf3835900c063b77b48a1af3e7944..2fdfb674ba2f768522ea19243aca654de6c4a477 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -510,8 +510,7 @@ void MacroAssembler::LoadFromNumberDictionary(Label* miss,
Subu(reg1, reg1, Operand(1));
// Generate an unrolled loop that performs a few probes before giving up.
- static const int kProbes = 4;
- for (int i = 0; i < kProbes; i++) {
+ for (int i = 0; i < kNumberDictionaryProbes; i++) {
// Use reg2 for index calculations and keep the hash intact in reg0.
mov(reg2, reg0);
// Compute the masked index: (hash + i + i * i) & mask.
@@ -530,7 +529,7 @@ void MacroAssembler::LoadFromNumberDictionary(Label* miss,
addu(reg2, elements, at);
lw(at, FieldMemOperand(reg2, SeededNumberDictionary::kElementsStartOffset));
- if (i != kProbes - 1) {
+ if (i != kNumberDictionaryProbes - 1) {
Branch(&done, eq, key, Operand(at));
} else {
Branch(miss, ne, key, Operand(at));
@@ -4512,116 +4511,6 @@ void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
}
-void MacroAssembler::LoadNumber(Register object,
- FPURegister dst,
- Register heap_number_map,
- Register scratch,
- Label* not_number) {
- Label is_smi, done;
-
- UntagAndJumpIfSmi(scratch, object, &is_smi);
- JumpIfNotHeapNumber(object, heap_number_map, scratch, not_number);
-
- ldc1(dst, FieldMemOperand(object, HeapNumber::kValueOffset));
- Branch(&done);
-
- bind(&is_smi);
- mtc1(scratch, dst);
- cvt_d_w(dst, dst);
-
- bind(&done);
-}
-
-
-void MacroAssembler::LoadNumberAsInt32Double(Register object,
- DoubleRegister double_dst,
- Register heap_number_map,
- Register scratch1,
- Register scratch2,
- FPURegister double_scratch,
- Label* not_int32) {
- ASSERT(!scratch1.is(object) && !scratch2.is(object));
- ASSERT(!scratch1.is(scratch2));
- ASSERT(!heap_number_map.is(object) &&
- !heap_number_map.is(scratch1) &&
- !heap_number_map.is(scratch2));
-
- Label done, obj_is_not_smi;
-
- UntagAndJumpIfNotSmi(scratch1, object, &obj_is_not_smi);
- mtc1(scratch1, double_scratch);
- cvt_d_w(double_dst, double_scratch);
- Branch(&done);
-
- bind(&obj_is_not_smi);
- JumpIfNotHeapNumber(object, heap_number_map, scratch1, not_int32);
-
- // Load the number.
- // Load the double value.
- ldc1(double_dst, FieldMemOperand(object, HeapNumber::kValueOffset));
-
- Register except_flag = scratch2;
- EmitFPUTruncate(kRoundToZero,
- scratch1,
- double_dst,
- at,
- double_scratch,
- except_flag,
- kCheckForInexactConversion);
-
- // Jump to not_int32 if the operation did not succeed.
- Branch(not_int32, ne, except_flag, Operand(zero_reg));
- bind(&done);
-}
-
-
-void MacroAssembler::LoadNumberAsInt32(Register object,
- Register dst,
- Register heap_number_map,
- Register scratch1,
- Register scratch2,
- FPURegister double_scratch0,
- FPURegister double_scratch1,
- Label* not_int32) {
- ASSERT(!dst.is(object));
- ASSERT(!scratch1.is(object) && !scratch2.is(object));
- ASSERT(!scratch1.is(scratch2));
-
- Label done, maybe_undefined;
-
- UntagAndJumpIfSmi(dst, object, &done);
-
- JumpIfNotHeapNumber(object, heap_number_map, scratch1, &maybe_undefined);
-
- // Object is a heap number.
- // Convert the floating point value to a 32-bit integer.
- // Load the double value.
- ldc1(double_scratch0, FieldMemOperand(object, HeapNumber::kValueOffset));
-
- Register except_flag = scratch2;
- EmitFPUTruncate(kRoundToZero,
- dst,
- double_scratch0,
- scratch1,
- double_scratch1,
- except_flag,
- kCheckForInexactConversion);
-
- // Jump to not_int32 if the operation did not succeed.
- Branch(not_int32, ne, except_flag, Operand(zero_reg));
- Branch(&done);
-
- bind(&maybe_undefined);
- LoadRoot(at, Heap::kUndefinedValueRootIndex);
- Branch(not_int32, ne, object, Operand(at));
- // |undefined| is truncated to 0.
- li(dst, Operand(Smi::FromInt(0)));
- // Fall through.
-
- bind(&done);
-}
-
-
void MacroAssembler::Prologue(PrologueFrameMode frame_mode) {
if (frame_mode == BUILD_STUB_FRAME) {
Push(ra, fp, cp);
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