[llvm-commits] [llvm] r48692 - in /llvm/trunk/lib/Target/X86: X86RegisterInfo.cpp X86RegisterInfo.h
Anton Korobeynikov
asl at math.spbu.ru
Sat Mar 22 14:04:01 PDT 2008
Author: asl
Date: Sat Mar 22 16:04:01 2008
New Revision: 48692
URL: http://llvm.org/viewvc/llvm-project?rev=48692&view=rev
Log:
Add information about callee-saved registers on Win64
Modified:
llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
llvm/trunk/lib/Target/X86/X86RegisterInfo.h
Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp?rev=48692&r1=48691&r2=48692&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp Sat Mar 22 16:04:01 2008
@@ -45,6 +45,7 @@
// Cache some information.
const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
Is64Bit = Subtarget->is64Bit();
+ IsWin64 = Subtarget->isTargetWin64();
StackAlign = TM.getFrameInfo()->getStackAlignment();
if (Is64Bit) {
SlotSize = 8;
@@ -196,9 +197,17 @@
X86::RBX, X86::R12, X86::R13, X86::R14, X86::R15, X86::RBP, 0
};
- if (Is64Bit)
- return CalleeSavedRegs64Bit;
- else {
+ static const unsigned CalleeSavedRegsWin64[] = {
+ X86::RBX, X86::RBP, X86::RDI, X86::RSI,
+ X86::R12, X86::R13, X86::R14, X86::R15, 0
+ };
+
+ if (Is64Bit) {
+ if (IsWin64)
+ return CalleeSavedRegsWin64;
+ else
+ return CalleeSavedRegs64Bit;
+ } else {
if (MF) {
MachineFrameInfo *MFI = MF->getFrameInfo();
MachineModuleInfo *MMI = MFI->getMachineModuleInfo();
@@ -225,10 +234,19 @@
&X86::GR64RegClass, &X86::GR64RegClass,
&X86::GR64RegClass, &X86::GR64RegClass, 0
};
+ static const TargetRegisterClass * const CalleeSavedRegClassesWin64[] = {
+ &X86::GR64RegClass, &X86::GR64RegClass,
+ &X86::GR64RegClass, &X86::GR64RegClass,
+ &X86::GR64RegClass, &X86::GR64RegClass,
+ &X86::GR64RegClass, &X86::GR64RegClass, 0
+ };
- if (Is64Bit)
- return CalleeSavedRegClasses64Bit;
- else {
+ if (Is64Bit) {
+ if (IsWin64)
+ return CalleeSavedRegClassesWin64;
+ else
+ return CalleeSavedRegClasses64Bit;
+ } else {
if (MF) {
MachineFrameInfo *MFI = MF->getFrameInfo();
MachineModuleInfo *MMI = MFI->getMachineModuleInfo();
Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.h?rev=48692&r1=48691&r2=48692&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.h (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.h Sat Mar 22 16:04:01 2008
@@ -59,6 +59,10 @@
///
bool Is64Bit;
+ /// IsWin64 - Is the target on of win64 flavours
+ ///
+ bool IsWin64;
+
/// SlotSize - Stack slot size in bytes.
///
unsigned SlotSize;
More information about the llvm-commits
mailing list