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Add basic ability to setup call frame, and make procedure calls.

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Hello world will compile and execute with this patch.

Patch by Reed Kotler.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2012-07-23 23:45:54 +00:00
parent 581a739226
commit 3ee306cbc0
11 changed files with 341 additions and 47 deletions
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11
lib/Target/Mips/MipsMachineFunction.cpp
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@ -33,10 +33,13 @@ unsigned MipsFunctionInfo::getGlobalBaseReg() {
const MipsSubtarget &ST = MF.getTarget().getSubtarget<MipsSubtarget>();
const TargetRegisterClass *RC = ST.isABI_N64() ?
(const TargetRegisterClass*)&Mips::CPU64RegsRegClass :
(const TargetRegisterClass*)&Mips::CPURegsRegClass;
const TargetRegisterClass *RC;
if (ST.inMips16Mode())
RC=(const TargetRegisterClass*)&Mips::CPU16RegsRegClass;
else
RC = ST.isABI_N64() ?
(const TargetRegisterClass*)&Mips::CPU64RegsRegClass :
(const TargetRegisterClass*)&Mips::CPURegsRegClass;
return GlobalBaseReg = MF.getRegInfo().createVirtualRegister(RC);
}