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Unified Diff: src/compiler/ia32/code-generator-ia32.cc

Issue 990963003: [turbofan] Unify Math.floor / Math.ceil optimization. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 months ago
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Index: src/compiler/ia32/code-generator-ia32.cc
diff --git a/src/compiler/ia32/code-generator-ia32.cc b/src/compiler/ia32/code-generator-ia32.cc
index 3f452e8cb7ac7a0edae08d2d3382b76f5f8abfb4..7a63ff044348f806b965f68491ed76a9d0757cbb 100644
--- a/src/compiler/ia32/code-generator-ia32.cc
+++ b/src/compiler/ia32/code-generator-ia32.cc
@@ -490,22 +490,11 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
case kSSEFloat64Sqrt:
__ sqrtsd(i.OutputDoubleRegister(), i.InputOperand(0));
break;
- case kSSEFloat64Floor: {
+ case kSSEFloat64Round: {
CpuFeatureScope sse_scope(masm(), SSE4_1);
- __ roundsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
- v8::internal::Assembler::kRoundDown);
- break;
- }
- case kSSEFloat64Ceil: {
- CpuFeatureScope sse_scope(masm(), SSE4_1);
- __ roundsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
- v8::internal::Assembler::kRoundUp);
- break;
- }
- case kSSEFloat64RoundTruncate: {
- CpuFeatureScope sse_scope(masm(), SSE4_1);
- __ roundsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
- v8::internal::Assembler::kRoundToZero);
+ RoundingMode const mode =
+ static_cast<RoundingMode>(MiscField::decode(instr->opcode()));
+ __ roundsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), mode);
break;
}
case kSSECvtss2sd:
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