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More fixes for win64:

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- Do not clobber al during variadic calls, this is AMD64 ABI-only feature
  - Emit wincall64, where necessary
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111289 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2010-08-17 21:06:07 +00:00
parent e9df15e65c
commit 3a1e54a6b9
3 changed files with 10 additions and 6 deletions
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lib/Target/X86/X86CodeEmitter.cpp
+2 -1
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@@ -776,7 +776,8 @@ void Emitter<CodeEmitter>::emitInstruction(const MachineInstr &MI,
}
assert(MO.isImm() && "Unknown RawFrm operand!");
if (Opcode == X86::CALLpcrel32 || Opcode == X86::CALL64pcrel32) {
if (Opcode == X86::CALLpcrel32 || Opcode == X86::CALL64pcrel32 ||
Opcode == X86::WINCALL64pcrel32) {
// Fix up immediate operand for pc relative calls.
intptr_t Imm = (intptr_t)MO.getImm();
Imm = Imm - MCE.getCurrentPCValue() - 4;