Version 3.2.8
Exposed WebGL typed array constructors in the shell sample.
Performance improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@7512 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index eb31d5a..2c5541b 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -2055,7 +2055,7 @@
}
-void LCodeGen::DoStoreGlobal(LStoreGlobal* instr) {
+void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
Register value = ToRegister(instr->InputAt(0));
Operand cell_operand = Operand::Cell(instr->hydrogen()->cell());
@@ -2073,6 +2073,17 @@
}
+void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) {
+ ASSERT(ToRegister(instr->context()).is(esi));
+ ASSERT(ToRegister(instr->global_object()).is(edx));
+ ASSERT(ToRegister(instr->value()).is(eax));
+
+ __ mov(ecx, instr->name());
+ Handle<Code> ic = isolate()->builtins()->StoreIC_Initialize();
+ CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr);
+}
+
+
void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
Register context = ToRegister(instr->context());
Register result = ToRegister(instr->result());
@@ -2776,10 +2787,32 @@
void LCodeGen::DoMathLog(LUnaryMathOperation* instr) {
- ASSERT(ToDoubleRegister(instr->result()).is(xmm1));
- TranscendentalCacheStub stub(TranscendentalCache::LOG,
- TranscendentalCacheStub::UNTAGGED);
- CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr, false);
+ ASSERT(instr->InputAt(0)->Equals(instr->result()));
+ XMMRegister input_reg = ToDoubleRegister(instr->InputAt(0));
+ NearLabel positive, done, zero, negative;
+ __ xorpd(xmm0, xmm0);
+ __ ucomisd(input_reg, xmm0);
+ __ j(above, &positive);
+ __ j(equal, &zero);
+ ExternalReference nan = ExternalReference::address_of_nan();
+ __ movdbl(input_reg, Operand::StaticVariable(nan));
+ __ jmp(&done);
+ __ bind(&zero);
+ __ push(Immediate(0xFFF00000));
+ __ push(Immediate(0));
+ __ movdbl(input_reg, Operand(esp, 0));
+ __ add(Operand(esp), Immediate(kDoubleSize));
+ __ jmp(&done);
+ __ bind(&positive);
+ __ fldln2();
+ __ sub(Operand(esp), Immediate(kDoubleSize));
+ __ movdbl(Operand(esp, 0), input_reg);
+ __ fld_d(Operand(esp, 0));
+ __ fyl2x();
+ __ fstp_d(Operand(esp, 0));
+ __ movdbl(input_reg, Operand(esp, 0));
+ __ add(Operand(esp), Immediate(kDoubleSize));
+ __ bind(&done);
}