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 | 69461f50c18306413ba30356e666d42dfb2d766a (patch) | |
| tree | 161b8b13f3429af7f07ce536823ed7a4944ae32f | |
| parent | 2a282f2f8657183c83375371a3850b182f93ba0b (diff) | |
| download | bcm5719-llvm-69461f50c18306413ba30356e666d42dfb2d766a.tar.gz bcm5719-llvm-69461f50c18306413ba30356e666d42dfb2d766a.zip | |
Mark STREX* as earlyclobber for the success result register.
llvm-svn: 91555
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrInfo.td | 2 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td index e14696a140d..da8b3733c9a 100644 --- a/llvm/lib/Target/ARM/ARMInstrInfo.td +++ b/llvm/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/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index 27c5712fd88..6f20ed4e930 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/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]", "", []>; |
