Version 3.2.7
Disabled the original 'classic' V8 code generator. Crankshaft is now the default on all platforms.
Changed the heap profiler to use more descriptive names.
Performance and stability improvements to isolates on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@7491 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 1691098..eb31d5a 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -1062,7 +1062,7 @@
uint64_t int_val = BitCast<uint64_t, double>(v);
int32_t lower = static_cast<int32_t>(int_val);
int32_t upper = static_cast<int32_t>(int_val >> (kBitsPerInt));
- if (isolate()->cpu_features()->IsSupported(SSE4_1)) {
+ if (CpuFeatures::IsSupported(SSE4_1)) {
CpuFeatures::Scope scope(SSE4_1);
if (lower != 0) {
__ Set(temp, Immediate(lower));
@@ -2032,7 +2032,7 @@
}
-void LCodeGen::DoLoadGlobal(LLoadGlobal* instr) {
+void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
Register result = ToRegister(instr->result());
__ mov(result, Operand::Cell(instr->hydrogen()->cell()));
if (instr->hydrogen()->check_hole_value()) {
@@ -2042,6 +2042,19 @@
}
+void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
+ ASSERT(ToRegister(instr->context()).is(esi));
+ ASSERT(ToRegister(instr->global_object()).is(eax));
+ ASSERT(ToRegister(instr->result()).is(eax));
+
+ __ mov(ecx, instr->name());
+ RelocInfo::Mode mode = instr->for_typeof() ? RelocInfo::CODE_TARGET :
+ RelocInfo::CODE_TARGET_CONTEXT;
+ Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize();
+ CallCode(ic, mode, instr);
+}
+
+
void LCodeGen::DoStoreGlobal(LStoreGlobal* instr) {
Register value = ToRegister(instr->InputAt(0));
Operand cell_operand = Operand::Cell(instr->hydrogen()->cell());
@@ -2304,11 +2317,11 @@
break;
case kExternalUnsignedIntArray:
__ mov(result, Operand(external_pointer, key, times_4, 0));
- __ test(Operand(result), Immediate(0x80000000));
+ __ test(result, Operand(result));
// TODO(danno): we could be more clever here, perhaps having a special
// version of the stub that detects if the overflow case actually
// happens, and generate code that returns a double rather than int.
- DeoptimizeIf(not_zero, instr->environment());
+ DeoptimizeIf(negative, instr->environment());
break;
case kExternalFloatArray:
UNREACHABLE();
@@ -3427,7 +3440,7 @@
__ jmp(&done);
__ bind(&heap_number);
- if (isolate()->cpu_features()->IsSupported(SSE3)) {
+ if (CpuFeatures::IsSupported(SSE3)) {
CpuFeatures::Scope scope(SSE3);
NearLabel convert;
// Use more powerful conversion when sse3 is available.
@@ -3537,7 +3550,7 @@
// the JS bitwise operations.
__ cvttsd2si(result_reg, Operand(input_reg));
__ cmp(result_reg, 0x80000000u);
- if (isolate()->cpu_features()->IsSupported(SSE3)) {
+ if (CpuFeatures::IsSupported(SSE3)) {
// This will deoptimize if the exponent of the input in out of range.
CpuFeatures::Scope scope(SSE3);
NearLabel convert, done;