diff options
| author | Jim Grosbach <grosbach@apple.com> | 2009-12-16 19:44:06 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2009-12-16 19:44:06 +0000 |
| commit | 587b072f23789010ee20a487cca458a0e724c6ed (patch) | |
| tree | 87dc98275d53becad31519e24e639ea3a3b6e012 | |
| parent | 06801722a43c697eff0acee905de6b50257ce19b (diff) | |
Mark STREX* as earlyclobber for the success result register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91555 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 2 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index e14696a140..da8b3733c9 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1740,7 +1740,7 @@ def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr), []>; } -let mayStore = 1 in { +let mayStore = 1, Constraints = "@earlyclobber $success" in { def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr), NoItinerary, "strexb", "\t$success, $src, [$ptr]", diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 27c5712fd8..6f20ed4e93 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -1752,7 +1752,7 @@ def t2LDREXD : T2I_ldrex<0b11, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr), [], {?, ?, ?, ?}>; } -let mayStore = 1 in { +let mayStore = 1, Constraints = "@earlyclobber $success" in { def t2STREXB : T2I_strex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr), AddrModeNone, Size4Bytes, NoItinerary, "strexb", "\t$success, $src, [$ptr]", "", []>; |