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Move FP_REG_KILL closer to the return instruction.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10567 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos 2003-12-21 16:47:43 +00:00
parent 169cfd0196
commit 0ef76cadbb
2 changed files with 4 additions and 2 deletions
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3
lib/Target/X86/InstSelectSimple.cpp
View File

@ -834,8 +834,8 @@ void ISel::promote32(unsigned targetReg, const ValueRecord &VR) {
/// ret float/double : Top of FP stack
///
void ISel::visitReturnInst(ReturnInst &I) {
BuildMI(BB, X86::FP_REG_KILL, 0);
if (I.getNumOperands() == 0) {
BuildMI(BB, X86::FP_REG_KILL, 0);
BuildMI(BB, X86::RET, 0); // Just emit a 'ret' instruction
return;
}
@ -866,6 +866,7 @@ void ISel::visitReturnInst(ReturnInst &I) {
visitInstruction(I);
}
// Emit a 'ret' instruction
BuildMI(BB, X86::FP_REG_KILL, 0);
BuildMI(BB, X86::RET, 0);
}

3
lib/Target/X86/X86ISelSimple.cpp
View File

@ -834,8 +834,8 @@ void ISel::promote32(unsigned targetReg, const ValueRecord &VR) {
/// ret float/double : Top of FP stack
///
void ISel::visitReturnInst(ReturnInst &I) {
BuildMI(BB, X86::FP_REG_KILL, 0);
if (I.getNumOperands() == 0) {
BuildMI(BB, X86::FP_REG_KILL, 0);
BuildMI(BB, X86::RET, 0); // Just emit a 'ret' instruction
return;
}
@ -866,6 +866,7 @@ void ISel::visitReturnInst(ReturnInst &I) {
visitInstruction(I);
}
// Emit a 'ret' instruction
BuildMI(BB, X86::FP_REG_KILL, 0);
BuildMI(BB, X86::RET, 0);
}