Revision: 24494
Author: [email protected]
Date: Thu Oct 9 12:50:13 2014 UTC
Log: [ia32] Use more efficient encoding when loading integer constants.
[email protected]
Review URL: https://codereview.chromium.org/642053002
https://code.google.com/p/v8/source/detail?r=24494
Modified:
/branches/bleeding_edge/src/compiler/ia32/code-generator-ia32.cc
=======================================
--- /branches/bleeding_edge/src/compiler/ia32/code-generator-ia32.cc Thu
Oct 9 09:32:59 2014 UTC
+++ /branches/bleeding_edge/src/compiler/ia32/code-generator-ia32.cc Thu
Oct 9 12:50:13 2014 UTC
@@ -249,7 +249,7 @@
__ idiv(i.InputOperand(1));
break;
case kIA32Udiv:
- __ xor_(edx, edx);
+ __ Move(edx, Immediate(0));
__ div(i.InputOperand(1));
break;
case kIA32Not:
@@ -552,7 +552,7 @@
switch (condition) {
case kUnorderedEqual:
__ j(parity_odd, &check, Label::kNear);
- __ mov(reg, Immediate(0));
+ __ Move(reg, Immediate(0));
__ jmp(&done, Label::kNear);
// Fall through.
case kEqual:
@@ -580,7 +580,7 @@
break;
case kUnorderedLessThan:
__ j(parity_odd, &check, Label::kNear);
- __ mov(reg, Immediate(0));
+ __ Move(reg, Immediate(0));
__ jmp(&done, Label::kNear);
// Fall through.
case kUnsignedLessThan:
@@ -596,7 +596,7 @@
break;
case kUnorderedLessThanOrEqual:
__ j(parity_odd, &check, Label::kNear);
- __ mov(reg, Immediate(0));
+ __ Move(reg, Immediate(0));
__ jmp(&done, Label::kNear);
// Fall through.
case kUnsignedLessThanOrEqual:
@@ -626,7 +626,7 @@
// Emit a branch to set a register to either 1 or 0.
Label set;
__ j(cc, &set, Label::kNear);
- __ mov(reg, Immediate(0));
+ __ Move(reg, Immediate(0));
__ jmp(&done, Label::kNear);
__ bind(&set);
__ mov(reg, Immediate(1));
@@ -899,10 +899,10 @@
}
} else if (destination->IsRegister()) {
Register dst = g.ToRegister(destination);
- __ mov(dst, g.ToImmediate(source));
+ __ Move(dst, g.ToImmediate(source));
} else if (destination->IsStackSlot()) {
Operand dst = g.ToOperand(destination);
- __ mov(dst, g.ToImmediate(source));
+ __ Move(dst, g.ToImmediate(source));
} else if (src_constant.type() == Constant::kFloat32) {
// TODO(turbofan): Can we do better here?
uint32_t src = bit_cast<uint32_t>(src_constant.ToFloat32());
@@ -912,7 +912,7 @@
} else {
DCHECK(destination->IsDoubleStackSlot());
Operand dst = g.ToOperand(destination);
- __ mov(dst, Immediate(src));
+ __ Move(dst, Immediate(src));
}
} else {
DCHECK_EQ(Constant::kFloat64, src_constant.type());
@@ -926,8 +926,8 @@
DCHECK(destination->IsDoubleStackSlot());
Operand dst0 = g.ToOperand(destination);
Operand dst1 = g.HighOperand(destination);
- __ mov(dst0, Immediate(lower));
- __ mov(dst1, Immediate(upper));
+ __ Move(dst0, Immediate(lower));
+ __ Move(dst1, Immediate(upper));
}
}
} else if (source->IsDoubleRegister()) {
--
--
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