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MIPS: Remove HCheckSmi, LCheckSmi and rename LCheckSmiAndReturn to LCheckSmi.

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Port r14816 (0485153d)

BUG=

Review URL: https://codereview.chromium.org/16035008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14823 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
palfia@homejinni.com 2013-05-27 12:39:01 +00:00
parent 67927694e8
commit 18320951b1
3 changed files with 2 additions and 29 deletions
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7
src/mips/lithium-codegen-mips.cc
View File

@ -4947,13 +4947,6 @@ void LCodeGen::DoDoubleToSmi(LDoubleToSmi* instr) {
}
void LCodeGen::DoCheckSmiAndReturn(LCheckSmiAndReturn* instr) {
LOperand* input = instr->value();
__ And(at, ToRegister(input), Operand(kSmiTagMask));
DeoptimizeIf(ne, instr->environment(), at, Operand(zero_reg));
}
void LCodeGen::DoCheckSmi(LCheckSmi* instr) {
LOperand* input = instr->value();
__ And(at, ToRegister(input), Operand(kSmiTagMask));

9
src/mips/lithium-mips.cc
View File

@ -1778,8 +1778,7 @@ LInstruction* LChunkBuilder::DoChange(HChange* instr) {
if (val->type().IsSmi()) {
return DefineSameAsFirst(new(zone()) LDummyUse(value));
}
return AssignEnvironment(
DefineSameAsFirst(new(zone()) LCheckSmiAndReturn(value)));
return AssignEnvironment(DefineSameAsFirst(new(zone()) LCheckSmi(value)));
} else {
ASSERT(to.IsInteger32());
LOperand* value = NULL;
@ -1886,12 +1885,6 @@ LInstruction* LChunkBuilder::DoCheckPrototypeMaps(HCheckPrototypeMaps* instr) {
}
LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) {
LOperand* value = UseRegisterAtStart(instr->value());
return AssignEnvironment(new(zone()) LCheckSmi(value));
}
LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) {
LOperand* value = UseRegisterAtStart(instr->value());
return AssignEnvironment(new(zone()) LCheckFunction(value));

15
src/mips/lithium-mips.h
View File

@ -76,7 +76,6 @@ class LCodeGen;
V(CheckNonSmi) \
V(CheckPrototypeMaps) \
V(CheckSmi) \
V(CheckSmiAndReturn) \
V(ClampDToUint8) \
V(ClampIToUint8) \
V(ClampTToUint8) \
@ -2325,7 +2324,7 @@ class LCheckPrototypeMaps: public LTemplateInstruction<0, 0, 2> {
};
class LCheckSmi: public LTemplateInstruction<0, 1, 0> {
class LCheckSmi: public LTemplateInstruction<1, 1, 0> {
public:
explicit LCheckSmi(LOperand* value) {
inputs_[0] = value;
@ -2337,18 +2336,6 @@ class LCheckSmi: public LTemplateInstruction<0, 1, 0> {
};
class LCheckSmiAndReturn: public LTemplateInstruction<1, 1, 0> {
public:
explicit LCheckSmiAndReturn(LOperand* value) {
inputs_[0] = value;
}
LOperand* value() { return inputs_[0]; }
DECLARE_CONCRETE_INSTRUCTION(CheckSmiAndReturn, "check-smi-and-return")
};
class LCheckNonSmi: public LTemplateInstruction<0, 1, 0> {
public:
explicit LCheckNonSmi(LOperand* value) {