AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

MIPS: Remove the obsolete OverwriteMode optimization.

Browse Source 
Port 634b0f20f4

BUG=

Review URL: https://codereview.chromium.org/900253002

Cr-Commit-Position: refs/heads/master@{#26467}
This commit is contained in:
balazs.kilvady 2015-02-05 08:36:21 -08:00 committed by Commit bot
parent 8241147f46
commit 4831e7b7c9
4 changed files with 12 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/mips/full-codegen-mips.cc
View File

@ -2029,19 +2029,15 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
__ push(v0); // Left operand goes on the stack.
VisitForAccumulatorValue(expr->value());
OverwriteMode mode = expr->value()->ResultOverwriteAllowed()
? OVERWRITE_RIGHT
: NO_OVERWRITE;
SetSourcePosition(expr->position() + 1);
AccumulatorValueContext context(this);
if (ShouldInlineSmiCase(op)) {
EmitInlineSmiBinaryOp(expr->binary_operation(),
op,
mode,
expr->target(),
expr->value());
} else {
EmitBinaryOp(expr->binary_operation(), op, mode);
EmitBinaryOp(expr->binary_operation(), op);
}
// Deoptimization point in case the binary operation may have side effects.
@ -2423,7 +2419,6 @@ void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
Token::Value op,
OverwriteMode mode,
Expression* left_expr,
Expression* right_expr) {
Label done, smi_case, stub_call;
@ -2444,7 +2439,7 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
patch_site.EmitJumpIfSmi(scratch1, &smi_case);
__ bind(&stub_call);
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op, mode).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op).code();
CallIC(code, expr->BinaryOperationFeedbackId());
patch_site.EmitPatchInfo();
__ jmp(&done);
@ -2574,12 +2569,10 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
}
void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr,
Token::Value op,
OverwriteMode mode) {
void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, Token::Value op) {
__ mov(a0, result_register());
__ pop(a1);
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op, mode).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op).code();
JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code.
CallIC(code, expr->BinaryOperationFeedbackId());
patch_site.EmitPatchInfo();
@ -4850,8 +4843,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
// Record position before stub call.
SetSourcePosition(expr->position());
Handle<Code> code =
CodeFactory::BinaryOpIC(isolate(), Token::ADD, NO_OVERWRITE).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), Token::ADD).code();
CallIC(code, expr->CountBinOpFeedbackId());
patch_site.EmitPatchInfo();
__ bind(&done);

3
src/mips/lithium-codegen-mips.cc
View File

@ -2066,8 +2066,7 @@ void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
DCHECK(ToRegister(instr->right()).is(a0));
DCHECK(ToRegister(instr->result()).is(v0));
Handle<Code> code =
CodeFactory::BinaryOpIC(isolate(), instr->op(), NO_OVERWRITE).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), instr->op()).code();
CallCode(code, RelocInfo::CODE_TARGET, instr);
// Other arch use a nop here, to signal that there is no inlined
// patchable code. Mips does not need the nop, since our marker

18
src/mips64/full-codegen-mips64.cc
View File

@ -2026,19 +2026,15 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
__ push(v0); // Left operand goes on the stack.
VisitForAccumulatorValue(expr->value());
OverwriteMode mode = expr->value()->ResultOverwriteAllowed()
? OVERWRITE_RIGHT
: NO_OVERWRITE;
SetSourcePosition(expr->position() + 1);
AccumulatorValueContext context(this);
if (ShouldInlineSmiCase(op)) {
EmitInlineSmiBinaryOp(expr->binary_operation(),
op,
mode,
expr->target(),
expr->value());
} else {
EmitBinaryOp(expr->binary_operation(), op, mode);
EmitBinaryOp(expr->binary_operation(), op);
}
// Deoptimization point in case the binary operation may have side effects.
@ -2421,7 +2417,6 @@ void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
Token::Value op,
OverwriteMode mode,
Expression* left_expr,
Expression* right_expr) {
Label done, smi_case, stub_call;
@ -2442,7 +2437,7 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
patch_site.EmitJumpIfSmi(scratch1, &smi_case);
__ bind(&stub_call);
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op, mode).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op).code();
CallIC(code, expr->BinaryOperationFeedbackId());
patch_site.EmitPatchInfo();
__ jmp(&done);
@ -2571,12 +2566,10 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
}
void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr,
Token::Value op,
OverwriteMode mode) {
void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, Token::Value op) {
__ mov(a0, result_register());
__ pop(a1);
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op, mode).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op).code();
JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code.
CallIC(code, expr->BinaryOperationFeedbackId());
patch_site.EmitPatchInfo();
@ -4850,8 +4843,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
// Record position before stub call.
SetSourcePosition(expr->position());
Handle<Code> code =
CodeFactory::BinaryOpIC(isolate(), Token::ADD, NO_OVERWRITE).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), Token::ADD).code();
CallIC(code, expr->CountBinOpFeedbackId());
patch_site.EmitPatchInfo();
__ bind(&done);

3
src/mips64/lithium-codegen-mips64.cc
View File

@ -2023,8 +2023,7 @@ void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
DCHECK(ToRegister(instr->right()).is(a0));
DCHECK(ToRegister(instr->result()).is(v0));
Handle<Code> code =
CodeFactory::BinaryOpIC(isolate(), instr->op(), NO_OVERWRITE).code();
Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), instr->op()).code();
CallCode(code, RelocInfo::CODE_TARGET, instr);
// Other arch use a nop here, to signal that there is no inlined
// patchable code. Mips does not need the nop, since our marker