Version 3.2.0
Fixed a number of crash bugs.
Turned on Crankshaft by default on x64 and ARM.
Improved Crankshaft for x64 and ARM.
Implemented more of EcmaScript 5 strict mode.
git-svn-id: http://v8.googlecode.com/svn/trunk@7077 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 8845bbb..b468e82 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -49,22 +49,35 @@
void MacroAssembler::LoadRoot(Register destination, Heap::RootListIndex index) {
- movq(destination, Operand(kRootRegister, index << kPointerSizeLog2));
+ movq(destination, Operand(kRootRegister,
+ (index << kPointerSizeLog2) - kRootRegisterBias));
+}
+
+
+void MacroAssembler::LoadRootIndexed(Register destination,
+ Register variable_offset,
+ int fixed_offset) {
+ movq(destination,
+ Operand(kRootRegister,
+ variable_offset, times_pointer_size,
+ (fixed_offset << kPointerSizeLog2) - kRootRegisterBias));
}
void MacroAssembler::StoreRoot(Register source, Heap::RootListIndex index) {
- movq(Operand(kRootRegister, index << kPointerSizeLog2), source);
+ movq(Operand(kRootRegister, (index << kPointerSizeLog2) - kRootRegisterBias),
+ source);
}
void MacroAssembler::PushRoot(Heap::RootListIndex index) {
- push(Operand(kRootRegister, index << kPointerSizeLog2));
+ push(Operand(kRootRegister, (index << kPointerSizeLog2) - kRootRegisterBias));
}
void MacroAssembler::CompareRoot(Register with, Heap::RootListIndex index) {
- cmpq(with, Operand(kRootRegister, index << kPointerSizeLog2));
+ cmpq(with, Operand(kRootRegister,
+ (index << kPointerSizeLog2) - kRootRegisterBias));
}
@@ -908,7 +921,7 @@
Condition MacroAssembler::CheckNonNegativeSmi(Register src) {
ASSERT_EQ(0, kSmiTag);
- // Make mask 0x8000000000000001 and test that both bits are zero.
+ // Test that both bits of the mask 0x8000000000000001 are zero.
movq(kScratchRegister, src);
rol(kScratchRegister, Immediate(1));
testb(kScratchRegister, Immediate(3));