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Starting implementation of the ELF32 ABI specification of varargs handling.

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LowerVASTART emits the right code if the subtarget is ELF32, the other intrinsics
(VAARG, VACOPY and VAEND) are not yet implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35625 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nicolas Geoffray
2007-04-03 13:59:52 +00:00
parent ec58d9f9dd
commit 0111999a88
2 changed files with 177 additions and 9 deletions
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6
lib/Target/PowerPC/PPCISelLowering.h
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@@ -173,6 +173,12 @@ namespace llvm {
class PPCTargetLowering : public TargetLowering {
int VarArgsFrameIndex; // FrameIndex for start of varargs area.
int VarArgsStackOffset; // StackOffset for start of stack
// arguments.
unsigned VarArgsNumGPR; // Index of the first unused integer
// register for parameter passing.
unsigned VarArgsNumFPR; // Index of the first unused double
// register for parameter passing.
int ReturnAddrIndex; // FrameIndex for return slot.
const PPCSubtarget &PPCSubTarget;
public: