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Do not use $gp as a dedicated global register if the target ABI is not O32.

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llvm-svn: 155522
This commit is contained in:
Akira Hatanaka
2012-04-25 01:24:52 +00:00
parent 6381f01012
commit 2020e27d6d
3 changed files with 8 additions and 7 deletions
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4
llvm/lib/Target/Mips/MipsMachineFunction.cpp
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@@ -37,8 +37,8 @@ unsigned MipsFunctionInfo::getGlobalBaseReg() {
const MipsSubtarget &ST = MF.getTarget().getSubtarget<MipsSubtarget>();
if (FixGlobalBaseReg) // $gp is the global base register.
return GlobalBaseReg = ST.isABI_N64() ? Mips::GP_64 : Mips::GP;
if (FixGlobalBaseReg && ST.isABI_O32()) // $gp is the global base register.
return GlobalBaseReg = Mips::GP;
const TargetRegisterClass *RC = ST.isABI_N64() ?
(const TargetRegisterClass*)&Mips::CPU64RegsRegClass :