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| author | Sam Parker <sam.parker@arm.com> | 2016-10-27 09:47:10 +0000 |
|---|---|---|
| committer | Sam Parker <sam.parker@arm.com> | 2016-10-27 09:47:10 +0000 |
| commit | e7d9505c08017b6952c5f32015d185b5819094bc (patch) | |
| tree | 64a8152ce59df070b5690e48d5643018eab34e9f /llvm/lib/Target/ARM/ARMISelLowering.cpp | |
| parent | 188ad3ac02d06cab3ca13241196a3e110f845439 (diff) | |
| download | bcm5719-llvm-e7d9505c08017b6952c5f32015d185b5819094bc.tar.gz bcm5719-llvm-e7d9505c08017b6952c5f32015d185b5819094bc.zip | |
[ARM] Predicate UMAAL selection on hasDSP.
UMAAL is a DSP instruction and it is not available on thumbv7m
(Cortex-M3) and thumbv6m (Cortex-M0+1) targets. Also fix wrong
CHECK prefix in longMAC.ll test.
Patch by Vadzim Dambrouski.
Differential Revision: https://reviews.llvm.org/D25890
llvm-svn: 285278
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index dcbf3c5e513..7d89319b19a 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -9354,7 +9354,7 @@ static SDValue AddCombineTo64bitUMAAL(SDNode *AddcNode, // be combined into a UMLAL. The other pattern is AddcNode being combined // into an UMLAL and then using another addc is handled in ISelDAGToDAG. - if (!Subtarget->hasV6Ops() || + if (!Subtarget->hasV6Ops() || !Subtarget->hasDSP() || (Subtarget->isThumb() && !Subtarget->hasThumb2())) return AddCombineTo64bitMLAL(AddcNode, DCI, Subtarget); |
