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Do not add the pass that restores $gp if target is Mips64.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140607 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2011-09-27 16:58:43 +00:00
parent 00418ea91c
commit 78fec58c07
1 changed files with 4 additions and 1 deletions
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3
lib/Target/Mips/MipsTargetMachine.cpp
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@@ -96,6 +96,9 @@ addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
bool MipsTargetMachine:: bool MipsTargetMachine::
addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) { addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
// Do not restore $gp if target is Mips64.
// In N32/64, $gp is a callee-saved register.
if (!Subtarget.hasMips64())
PM.add(createMipsEmitGPRestorePass(*this)); PM.add(createMipsEmitGPRestorePass(*this));
return true; return true;
} }