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Simplify things

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34849 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2007-03-02 21:50:27 +00:00
parent dbab386e23
commit f7dcfa81c5
1 changed files with 2 additions and 8 deletions
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10
lib/Target/X86/X86ISelLowering.cpp
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@ -30,16 +30,11 @@
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
static cl::opt<bool> FastCallAlignStack("x86-fastcc-align-stack", cl::Hidden,
cl::desc("Align stack to 8-byte boundary for fastcall function"),
cl::init(false));
X86TargetLowering::X86TargetLowering(TargetMachine &TM)
: TargetLowering(TM) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
@ -909,7 +904,7 @@ X86TargetLowering::LowerFastCCArguments(SDOperand Op, SelectionDAG &DAG) {
unsigned StackSize = CCInfo.getNextStackOffset();
if (FastCallAlignStack) {
if (!Subtarget->isTargetCygMing() && !Subtarget->isTargetWindows()) {
// Make sure the instruction takes 8n+4 bytes to make sure the start of the
// arguments and the arguments after the retaddr has been pushed are aligned.
if ((StackSize & 7) == 0)
@ -943,7 +938,7 @@ SDOperand X86TargetLowering::LowerFastCCCallTo(SDOperand Op, SelectionDAG &DAG,
// Get a count of how many bytes are to be pushed on the stack.
unsigned NumBytes = CCInfo.getNextStackOffset();
if (FastCallAlignStack) {
if (!Subtarget->isTargetCygMing() && !Subtarget->isTargetWindows()) {
// Make sure the instruction takes 8n+4 bytes to make sure the start of the
// arguments and the arguments after the retaddr has been pushed are aligned.
if ((NumBytes & 7) == 0)
@ -951,7 +946,6 @@ SDOperand X86TargetLowering::LowerFastCCCallTo(SDOperand Op, SelectionDAG &DAG,
}
Chain = DAG.getCALLSEQ_START(Chain,DAG.getConstant(NumBytes, getPointerTy()));
SmallVector<std::pair<unsigned, SDOperand>, 8> RegsToPass;
SmallVector<SDOperand, 8> MemOpChains;