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Port changes from x64 deoptimizer to ia32 and remove commented out code from last patch.

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Review URL: http://codereview.chromium.org/6368013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6451 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
ricow@chromium.org 2011-01-25 08:59:16 +00:00
parent d69ef26f7d
commit cadb9cb635
2 changed files with 7 additions and 10 deletions
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13
src/ia32/deoptimizer-ia32.cc
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@ -534,26 +534,25 @@ void Deoptimizer::EntryGenerator::Generate() {
__ mov(ebx, Operand(eax, Deoptimizer::input_offset()));
// Fill in the input registers.
for (int i = 0; i < kNumberOfRegisters; i++) {
for (int i = kNumberOfRegisters - 1; i >= 0; i--) {
int offset = (i * kPointerSize) + FrameDescription::registers_offset();
__ mov(ecx, Operand(esp, (kNumberOfRegisters - 1 - i) * kPointerSize));
__ mov(Operand(ebx, offset), ecx);
__ pop(Operand(ebx, offset));
}
// Fill in the double input registers.
int double_regs_offset = FrameDescription::double_registers_offset();
for (int i = 0; i < XMMRegister::kNumAllocatableRegisters; ++i) {
int dst_offset = i * kDoubleSize + double_regs_offset;
int src_offset = i * kDoubleSize + kNumberOfRegisters * kPointerSize;
int src_offset = i * kDoubleSize;
__ movdbl(xmm0, Operand(esp, src_offset));
__ movdbl(Operand(ebx, dst_offset), xmm0);
}
// Remove the bailout id and the general purpose registers from the stack.
// Remove the bailout id and the double registers from the stack.
if (type() == EAGER) {
__ add(Operand(esp), Immediate(kSavedRegistersAreaSize + kPointerSize));
__ add(Operand(esp), Immediate(kDoubleRegsSize + kPointerSize));
} else {
__ add(Operand(esp), Immediate(kSavedRegistersAreaSize + 2 * kPointerSize));
__ add(Operand(esp), Immediate(kDoubleRegsSize + 2 * kPointerSize));
}
// Compute a pointer to the unwinding limit in register ecx; that is

4
src/x64/deoptimizer-x64.cc
View File

@ -381,8 +381,6 @@ void Deoptimizer::EntryGenerator::Generate() {
for (int i = kNumberOfRegisters -1; i >= 0; i--) {
int offset = (i * kPointerSize) + FrameDescription::registers_offset();
__ pop(Operand(rbx, offset));
// __ movq(rcx, Operand(rsp, (kNumberOfRegisters - 1 - i) * kPointerSize));
// __ movq(Operand(rbx, offset), rcx);
}
// Fill in the double input registers.
@ -392,7 +390,7 @@ void Deoptimizer::EntryGenerator::Generate() {
__ pop(Operand(rbx, dst_offset));
}
// Remove the bailout id and the general purpose registers from the stack.
// Remove the bailout id from the stack.
if (type() == EAGER) {
__ addq(rsp, Immediate(kPointerSize));
} else {