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Clean some unuse code of unary negation

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R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/22089002

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16036 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
svenpanne@chromium.org 2013-08-05 06:34:26 +00:00
parent ea38ee8782
commit d5b9616991
3 changed files with 0 additions and 9 deletions
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1
src/ast.cc
View File

@ -307,7 +307,6 @@ void UnaryOperation::RecordToBooleanTypeFeedback(TypeFeedbackOracle* oracle) {
bool UnaryOperation::ResultOverwriteAllowed() {
switch (op_) {
case Token::BIT_NOT:
case Token::SUB:
return true;
default:
return false;

7
src/code-stubs.cc
View File

@ -208,8 +208,6 @@ Builtins::JavaScript UnaryOpStub::ToJSBuiltin() {
switch (operation_) {
default:
UNREACHABLE();
case Token::SUB:
return Builtins::UNARY_MINUS;
case Token::BIT_NOT:
return Builtins::BIT_NOT;
}
@ -239,10 +237,6 @@ void UnaryOpStub::UpdateStatus(Handle<Object> object) {
State old_state(state_);
if (object->IsSmi()) {
state_.Add(SMI);
if (operation_ == Token::SUB && *object == 0) {
// The result (-0) has to be represented as double.
state_.Add(HEAP_NUMBER);
}
} else if (object->IsHeapNumber()) {
state_.Add(HEAP_NUMBER);
} else {
@ -356,7 +350,6 @@ void BinaryOpStub::GenerateCallRuntime(MacroAssembler* masm) {
void UnaryOpStub::PrintBaseName(StringStream* stream) {
CodeStub::PrintBaseName(stream);
if (operation_ == Token::SUB) stream->Add("Minus");
if (operation_ == Token::BIT_NOT) stream->Add("Not");
}

1
src/hydrogen.h
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@ -1807,7 +1807,6 @@ class HOptimizedGraphBuilder: public HGraphBuilder, public AstVisitor {
void VisitDelete(UnaryOperation* expr);
void VisitVoid(UnaryOperation* expr);
void VisitTypeof(UnaryOperation* expr);
void VisitSub(UnaryOperation* expr);
void VisitBitNot(UnaryOperation* expr);
void VisitNot(UnaryOperation* expr);