[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelLowering.cpp

Anton Korobeynikov asl at math.spbu.ru
Fri Mar 2 13:50:44 PST 2007



Changes in directory llvm/lib/Target/X86:

X86ISelLowering.cpp updated: 1.358 -> 1.359
---
Log message:

Simplify things


---
Diffs of the changes:  (+2 -8)

 X86ISelLowering.cpp |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.358 llvm/lib/Target/X86/X86ISelLowering.cpp:1.359
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.358	Thu Mar  1 23:12:29 2007
+++ llvm/lib/Target/X86/X86ISelLowering.cpp	Fri Mar  2 15:50:27 2007
@@ -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 @@
 
   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 @@
   // 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 @@
   }
 
   Chain = DAG.getCALLSEQ_START(Chain,DAG.getConstant(NumBytes, getPointerTy()));
-
   
   SmallVector<std::pair<unsigned, SDOperand>, 8> RegsToPass;
   SmallVector<SDOperand, 8> MemOpChains;






More information about the llvm-commits mailing list