diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2010-06-26 04:36:50 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2010-06-26 04:36:50 +0000 |
| commit | a2c6f457a4954d8e38b4c2c69b011cdfa123ad02 (patch) | |
| tree | 52a7b1aac1feed068c9adf92675526e62b854a2f /lib/Target/ARM | |
| parent | ccd9bcca14e7046b7078cdf472a9185b86cdf07d (diff) | |
| download | external_llvm-a2c6f457a4954d8e38b4c2c69b011cdfa123ad02.zip external_llvm-a2c6f457a4954d8e38b4c2c69b011cdfa123ad02.tar.gz external_llvm-a2c6f457a4954d8e38b4c2c69b011cdfa123ad02.tar.bz2 | |
Followup to r106770: actually generate SXTB and SXTH for sign-extensions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106940 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index d7648b3..6dfb606 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -459,11 +459,8 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM) setOperationAction(ISD::ATOMIC_LOAD_XOR, MVT::i64, Expand); setOperationAction(ISD::ATOMIC_LOAD_NAND, MVT::i64, Expand); - // If the subtarget does not have extract instructions, sign_extend_inreg - // needs to be expanded. Extract is available in ARM mode on v6 and up, - // and on most Thumb2 implementations. - if (!Subtarget->hasV6Ops() - || (Subtarget->isThumb2() && !Subtarget->hasT2ExtractPack())) { + // Requires SXTB/SXTH, available on v6 and up in both ARM and Thumb modes. + if (!Subtarget->hasV6Ops()) { setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand); setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8, Expand); } |