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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:14:54 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:14:54 +0000 |
| commit | e3a7f7a2b20ad791626f58e16d76a514ea66b62b (patch) | |
| tree | c49050e22582d5f8ac63553739654c29798a74a4 /lib/Target/SystemZ/SystemZInstrInfo.td | |
| parent | 0a42d2b4376526dbef25834b29a39fa684f9a902 (diff) | |
| download | llvm-e3a7f7a2b20ad791626f58e16d76a514ea66b62b.tar.gz llvm-e3a7f7a2b20ad791626f58e16d76a514ea66b62b.tar.bz2 llvm-e3a7f7a2b20ad791626f58e16d76a514ea66b62b.tar.xz | |
Remove redundand register move
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZInstrInfo.td')
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrInfo.td | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td index 5a34d95e67..a1202aa2e1 100644 --- a/lib/Target/SystemZ/SystemZInstrInfo.td +++ b/lib/Target/SystemZ/SystemZInstrInfo.td @@ -370,6 +370,14 @@ def MOV64rmm : Pseudo<(outs GR64:$from, GR64:$to), (ins riaddr:$dst), "lmg\t{$from, $to, $dst}", []>; +let isReMaterializable = 1, isAsCheapAsAMove = 1, isTwoAddress = 1 in { +def MOV64Pr0_even : Pseudo<(outs GR64P:$dst), (ins GR64P:$src), + "lhi\t${dst:subreg_even}, 0", + []>; +def MOV128r0_even : Pseudo<(outs GR128:$dst), (ins GR128:$src), + "lghi\t${dst:subreg_even}, 0", + []>; +} //===----------------------------------------------------------------------===// // Arithmetic Instructions |