diff options
| author | Tim Northover <tnorthover@apple.com> | 2013-06-26 16:52:40 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2013-06-26 16:52:40 +0000 |
| commit | c19bd321362166805194cbaf170e06a4790d2da9 (patch) | |
| tree | b3a213b067b0c0c3797077f5e24a57bb36265967 /lib/Target/ARM/ARMInstrInfo.td | |
| parent | c1a91dd97b000128189421eda6c5bb7905b1f467 (diff) | |
| download | external_llvm-c19bd321362166805194cbaf170e06a4790d2da9.zip external_llvm-c19bd321362166805194cbaf170e06a4790d2da9.tar.gz external_llvm-c19bd321362166805194cbaf170e06a4790d2da9.tar.bz2 | |
ARM: fix more cases where predication may or may not be allowed
Unfortunately this addresses two issues (by the time I'd disentangled the logic
it wasn't worth putting it back to half-broken):
+ Coprocessor instructions should all be predicable in Thumb mode.
+ BKPT should never be predicable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184965 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 8003e51..7f32c1f 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1730,12 +1730,13 @@ def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel", // The 16-bit operand $val can be used by a debugger to store more information // about the breakpoint. -def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary, - "bkpt", "\t$val", []>, Requires<[IsARM]> { +def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary, + "bkpt", "\t$val", []>, Requires<[IsARM]> { bits<16> val; let Inst{3-0} = val{3-0}; let Inst{19-8} = val{15-4}; let Inst{27-20} = 0b00010010; + let Inst{31-28} = 0xe; // AL let Inst{7-4} = 0b0111; } |