Akira Hatanaka
11a45c214c
[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
2012-11-03 00:05:43 +00:00
Akira Hatanaka
91a35f03da
Add a member of type Mips16InstrInfo/MipsSEInstrInfo to class
...
Mips16RegisterInfo/MipsSERegisterInfo.
No changes in functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162413 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 23:58:53 +00:00
Akira Hatanaka
71746220d3
Implement MipsSERegisterInfo::eliminateCallFramePseudoInstr. The function emits
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instructions that decrement and increment the stack pointer before and after a
call when the function does not have a reserved call frame.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31 23:52:55 +00:00
Akira Hatanaka
8589010e3d
Add definitions of two subclasses of MipsRegisterInfo, Mips16RegisterInfo and
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MipsSERegisterInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161092 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31 23:41:32 +00:00