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remove dead code in fast double elements

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* src/x64/lithium-codegen-x64.cc (DoLoadKeyedFastDoubleElement)
  (DoStoreKeyedFastDoubleElement): Remove set but unused variables.

BUG=
TEST=Fixes a build with gcc-4.6.

Review URL: http://codereview.chromium.org/7491041
Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8738 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
danno@chromium.org 2011-07-25 15:43:41 +00:00
parent 0aab25fabf
commit a923a94d6d
2 changed files with 0 additions and 6 deletions
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2
src/ia32/lithium-codegen-ia32.cc
View File

@ -2232,7 +2232,6 @@ void LCodeGen::DoLoadKeyedFastElement(LLoadKeyedFastElement* instr) {
void LCodeGen::DoLoadKeyedFastDoubleElement(
LLoadKeyedFastDoubleElement* instr) {
Register elements = ToRegister(instr->elements());
XMMRegister result = ToDoubleRegister(instr->result());
if (instr->hydrogen()->RequiresHoleCheck()) {
@ -3097,7 +3096,6 @@ void LCodeGen::DoStoreKeyedFastElement(LStoreKeyedFastElement* instr) {
void LCodeGen::DoStoreKeyedFastDoubleElement(
LStoreKeyedFastDoubleElement* instr) {
XMMRegister value = ToDoubleRegister(instr->value());
Register elements = ToRegister(instr->elements());
Register key = instr->key()->IsRegister() ? ToRegister(instr->key()) : no_reg;
Label have_value;

4
src/x64/lithium-codegen-x64.cc
View File

@ -2246,7 +2246,6 @@ void LCodeGen::DoLoadKeyedFastElement(LLoadKeyedFastElement* instr) {
void LCodeGen::DoLoadKeyedFastDoubleElement(
LLoadKeyedFastDoubleElement* instr) {
Register elements = ToRegister(instr->elements());
XMMRegister result(ToDoubleRegister(instr->result()));
if (instr->hydrogen()->RequiresHoleCheck()) {
@ -3101,14 +3100,11 @@ void LCodeGen::DoStoreKeyedFastElement(LStoreKeyedFastElement* instr) {
void LCodeGen::DoStoreKeyedFastDoubleElement(
LStoreKeyedFastDoubleElement* instr) {
XMMRegister value = ToDoubleRegister(instr->value());
Register elements = ToRegister(instr->elements());
Label have_value;
__ ucomisd(value, value);
__ j(parity_odd, &have_value); // NaN.
ExternalReference canonical_nan_reference =
ExternalReference::address_of_canonical_non_hole_nan();
__ Set(kScratchRegister, BitCast<uint64_t>(
FixedDoubleArray::canonical_not_the_hole_nan_as_double()));
__ movq(value, kScratchRegister);