MIPS: Fix ARM bug introduced in r12604 that caused crashes on ARM on crypto-md5 from SunSpider.

Port r12623 (22002351)

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10979066
Patch from Akos Palfi <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12742 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
danno@chromium.org 2012-10-16 08:45:17 +00:00
parent 1fe673a60d
commit 4a2a4b8647
5 changed files with 8 additions and 4 deletions

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@ -7767,7 +7767,9 @@ void StoreArrayLiteralElementStub::Generate(MacroAssembler* masm) {
// Array literal has ElementsKind of FAST_*_DOUBLE_ELEMENTS.
__ bind(&double_elements);
__ lw(t1, FieldMemOperand(a1, JSObject::kElementsOffset));
__ StoreNumberToDoubleElements(a0, a3, a1, t1, t2, t3, t5, a2,
__ StoreNumberToDoubleElements(a0, a3, a1,
// Overwrites all regs after this.
t1, t2, t3, t5, a2,
&slow_elements);
__ Ret(USE_DELAY_SLOT);
__ mov(v0, a0);

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@ -1269,8 +1269,8 @@ static void KeyedStoreGenerateGenericHelper(
__ StoreNumberToDoubleElements(value,
key,
receiver,
elements,
a3,
elements, // Overwritten.
a3, // Scratch regs...
t0,
t1,
t2,

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@ -3445,7 +3445,7 @@ void MacroAssembler::StoreNumberToDoubleElements(Register value_reg,
destination = FloatingPointHelper::kCoreRegisters;
}
Register untagged_value = receiver_reg;
Register untagged_value = elements_reg;
SmiUntag(untagged_value, value_reg);
FloatingPointHelper::ConvertIntToDouble(this,
untagged_value,

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@ -973,6 +973,7 @@ class MacroAssembler: public Assembler {
void StoreNumberToDoubleElements(Register value_reg,
Register key_reg,
Register receiver_reg,
// All regs below here overwritten.
Register elements_reg,
Register scratch1,
Register scratch2,

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@ -4748,6 +4748,7 @@ void KeyedStoreStubCompiler::GenerateStoreFastDoubleElement(
__ StoreNumberToDoubleElements(value_reg,
key_reg,
receiver_reg,
// All registers after this are overwritten.
elements_reg,
scratch1,
scratch2,