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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-11-03 00:05:43 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-11-03 00:05:43 +0000 |
| commit | 11a45c214c26bdc49ef58c0eb214df5200867cee (patch) | |
| tree | 7d61dd7da91f5665a099673d976410ae00b013f8 /lib/Target/Mips/MipsRegisterInfo.cpp | |
| parent | da15a0ed4cd74f767cc124b65b7b7d9482969318 (diff) | |
| download | llvm-11a45c214c26bdc49ef58c0eb214df5200867cee.tar.gz llvm-11a45c214c26bdc49ef58c0eb214df5200867cee.tar.bz2 llvm-11a45c214c26bdc49ef58c0eb214df5200867cee.tar.xz | |
[mips] Stop reserving register AT and use register scavenger when a scratch
register is needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167341 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsRegisterInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp index 8917820251..d8e0dd436a 100644 --- a/lib/Target/Mips/MipsRegisterInfo.cpp +++ b/lib/Target/Mips/MipsRegisterInfo.cpp @@ -81,11 +81,11 @@ MipsRegisterInfo::getCallPreservedMask(CallingConv::ID) const { BitVector MipsRegisterInfo:: getReservedRegs(const MachineFunction &MF) const { static const uint16_t ReservedCPURegs[] = { - Mips::ZERO, Mips::AT, Mips::K0, Mips::K1, Mips::SP + Mips::ZERO, Mips::K0, Mips::K1, Mips::SP }; static const uint16_t ReservedCPU64Regs[] = { - Mips::ZERO_64, Mips::AT_64, Mips::K0_64, Mips::K1_64, Mips::SP_64 + Mips::ZERO_64, Mips::K0_64, Mips::K1_64, Mips::SP_64 }; BitVector Reserved(getNumRegs()); |