Version 3.2.2
Fixed a number of crash and correctness bugs.
Improved Crankshaft performance on all platforms.
Fixed Crankshaft on Solaris/Illumos.
git-svn-id: http://v8.googlecode.com/svn/trunk@7162 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 45fbd41..f4874ad 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -555,7 +555,7 @@
// Allocate HandleScope in callee-save registers.
Register prev_next_address_reg = r14;
Register prev_limit_reg = rbx;
- Register base_reg = r12;
+ Register base_reg = r15;
movq(base_reg, next_address);
movq(prev_next_address_reg, Operand(base_reg, kNextOffset));
movq(prev_limit_reg, Operand(base_reg, kLimitOffset));
@@ -721,11 +721,11 @@
bind(&ok);
}
}
- if (source->value() == 0) {
+ int value = source->value();
+ if (value == 0) {
xorl(dst, dst);
return;
}
- int value = source->value();
bool negative = value < 0;
unsigned int uvalue = negative ? -value : value;
@@ -1474,10 +1474,10 @@
push(r9);
// r10 is kScratchRegister.
push(r11);
- push(r12);
+ // r12 is kSmiConstantRegister.
// r13 is kRootRegister.
push(r14);
- // r15 is kSmiConstantRegister
+ push(r15);
STATIC_ASSERT(11 == kNumSafepointSavedRegisters);
// Use lea for symmetry with Popad.
int sp_delta =
@@ -1491,8 +1491,8 @@
int sp_delta =
(kNumSafepointRegisters - kNumSafepointSavedRegisters) * kPointerSize;
lea(rsp, Operand(rsp, sp_delta));
+ pop(r15);
pop(r14);
- pop(r12);
pop(r11);
pop(r9);
pop(r8);
@@ -1511,7 +1511,7 @@
// Order general registers are pushed by Pushad:
-// rax, rcx, rdx, rbx, rsi, rdi, r8, r9, r11, r12, r14.
+// rax, rcx, rdx, rbx, rsi, rdi, r8, r9, r11, r14, r15.
int MacroAssembler::kSafepointPushRegisterIndices[Register::kNumRegisters] = {
0,
1,
@@ -1525,10 +1525,10 @@
7,
-1,
8,
- 9,
-1,
- 10,
- -1
+ -1,
+ 9,
+ 10
};
@@ -2077,10 +2077,10 @@
void MacroAssembler::EnterExitFrame(int arg_stack_space, bool save_doubles) {
EnterExitFramePrologue(true);
- // Setup argv in callee-saved register r12. It is reused in LeaveExitFrame,
+ // Setup argv in callee-saved register r15. It is reused in LeaveExitFrame,
// so it must be retained across the C-call.
int offset = StandardFrameConstants::kCallerSPOffset - kPointerSize;
- lea(r12, Operand(rbp, r14, times_pointer_size, offset));
+ lea(r15, Operand(rbp, r14, times_pointer_size, offset));
EnterExitFrameEpilogue(arg_stack_space, save_doubles);
}
@@ -2094,7 +2094,7 @@
void MacroAssembler::LeaveExitFrame(bool save_doubles) {
// Registers:
- // r12 : argv
+ // r15 : argv
if (save_doubles) {
int offset = -2 * kPointerSize;
for (int i = 0; i < XMMRegister::kNumAllocatableRegisters; i++) {
@@ -2108,7 +2108,7 @@
// Drop everything up to and including the arguments and the receiver
// from the caller stack.
- lea(rsp, Operand(r12, 1 * kPointerSize));
+ lea(rsp, Operand(r15, 1 * kPointerSize));
// Push the return address to get ready to return.
push(rcx);