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

Issue 10692193: MIPS: Defer creating Handles for HConstants to the code generation phase. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 5 months ago
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Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index c9256407fd43bb2158b0ff06ce4346d421585a9a..c12ffa44aedd70dc0e033f0e145b21b99a7e1167 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -292,7 +292,8 @@ Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) {
return ToRegister(op->index());
} else if (op->IsConstantOperand()) {
LConstantOperand* const_op = LConstantOperand::cast(op);
- Handle<Object> literal = chunk_->LookupLiteral(const_op);
+ HConstant* constant = chunk_->LookupConstant(const_op);
+ Handle<Object> literal = constant->handle();
Representation r = chunk_->LookupLiteralRepresentation(const_op);
if (r.IsInteger32()) {
ASSERT(literal->IsNumber());
@@ -330,7 +331,8 @@ DoubleRegister LCodeGen::EmitLoadDoubleRegister(LOperand* op,
return ToDoubleRegister(op->index());
} else if (op->IsConstantOperand()) {
LConstantOperand* const_op = LConstantOperand::cast(op);
- Handle<Object> literal = chunk_->LookupLiteral(const_op);
+ HConstant* constant = chunk_->LookupConstant(const_op);
+ Handle<Object> literal = constant->handle();
Representation r = chunk_->LookupLiteralRepresentation(const_op);
if (r.IsInteger32()) {
ASSERT(literal->IsNumber());
@@ -354,9 +356,9 @@ DoubleRegister LCodeGen::EmitLoadDoubleRegister(LOperand* op,
Handle<Object> LCodeGen::ToHandle(LConstantOperand* op) const {
- Handle<Object> literal = chunk_->LookupLiteral(op);
+ HConstant* constant = chunk_->LookupConstant(op);
ASSERT(chunk_->LookupLiteralRepresentation(op).IsTagged());
- return literal;
+ return constant->handle();
}
@@ -366,33 +368,33 @@ bool LCodeGen::IsInteger32(LConstantOperand* op) const {
int LCodeGen::ToInteger32(LConstantOperand* op) const {
- Handle<Object> value = chunk_->LookupLiteral(op);
+ HConstant* constant = chunk_->LookupConstant(op);
ASSERT(chunk_->LookupLiteralRepresentation(op).IsInteger32());
- ASSERT(static_cast<double>(static_cast<int32_t>(value->Number())) ==
- value->Number());
- return static_cast<int32_t>(value->Number());
+ ASSERT(constant->HasInteger32Value());
+ return constant->Integer32Value();
}
double LCodeGen::ToDouble(LConstantOperand* op) const {
- Handle<Object> value = chunk_->LookupLiteral(op);
- return value->Number();
+ HConstant* constant = chunk_->LookupConstant(op);
+ ASSERT(constant->HasDoubleValue());
+ return constant->DoubleValue();
}
Operand LCodeGen::ToOperand(LOperand* op) {
if (op->IsConstantOperand()) {
LConstantOperand* const_op = LConstantOperand::cast(op);
- Handle<Object> literal = chunk_->LookupLiteral(const_op);
+ HConstant* constant = chunk()->LookupConstant(const_op);
Representation r = chunk_->LookupLiteralRepresentation(const_op);
if (r.IsInteger32()) {
- ASSERT(literal->IsNumber());
- return Operand(static_cast<int32_t>(literal->Number()));
+ ASSERT(constant->HasInteger32Value());
+ return Operand(constant->Integer32Value());
} else if (r.IsDouble()) {
Abort("ToOperand Unsupported double immediate.");
}
ASSERT(r.IsTagged());
- return Operand(literal);
+ return Operand(constant->handle());
} else if (op->IsRegister()) {
return Operand(ToRegister(op));
} else if (op->IsDoubleRegister()) {
@@ -521,8 +523,8 @@ void LCodeGen::AddToTranslation(Translation* translation,
DoubleRegister reg = ToDoubleRegister(op);
translation->StoreDoubleRegister(reg);
} else if (op->IsConstantOperand()) {
- Handle<Object> literal = chunk()->LookupLiteral(LConstantOperand::cast(op));
- int src_index = DefineDeoptimizationLiteral(literal);
+ HConstant* constant = chunk()->LookupConstant(LConstantOperand::cast(op));
+ int src_index = DefineDeoptimizationLiteral(constant->handle());
translation->StoreLiteral(src_index);
} else {
UNREACHABLE();
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