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Only include in the callee saved regs the sub registers to avoid

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unnecessary save/restore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89823 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2009-11-25 00:47:43 +00:00
parent 302525b234
commit 5f222b18e3
1 changed files with 2 additions and 5 deletions
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7
lib/Target/Mips/MipsRegisterInfo.cpp
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@ -107,8 +107,7 @@ getCalleeSavedRegs(const MachineFunction *MF) const
static const unsigned BitMode32CalleeSavedRegs[] = {
Mips::S0, Mips::S1, Mips::S2, Mips::S3,
Mips::S4, Mips::S5, Mips::S6, Mips::S7,
Mips::F20, Mips::F22, Mips::F24, Mips::F26, Mips::F28, Mips::F30,
Mips::D10, Mips::D11, Mips::D12, Mips::D13, Mips::D14, Mips::D15,0
Mips::F20, Mips::F22, Mips::F24, Mips::F26, Mips::F28, Mips::F30, 0
};
if (Subtarget.isSingleFloat())
@ -136,9 +135,7 @@ MipsRegisterInfo::getCalleeSavedRegClasses(const MachineFunction *MF) const
&Mips::CPURegsRegClass, &Mips::CPURegsRegClass, &Mips::CPURegsRegClass,
&Mips::CPURegsRegClass, &Mips::CPURegsRegClass,
&Mips::FGR32RegClass, &Mips::FGR32RegClass, &Mips::FGR32RegClass,
&Mips::FGR32RegClass, &Mips::FGR32RegClass, &Mips::FGR32RegClass,
&Mips::AFGR64RegClass, &Mips::AFGR64RegClass, &Mips::AFGR64RegClass,
&Mips::AFGR64RegClass, &Mips::AFGR64RegClass, &Mips::AFGR64RegClass, 0
&Mips::FGR32RegClass, &Mips::FGR32RegClass, &Mips::FGR32RegClass, 0
};
if (Subtarget.isSingleFloat())