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| author | Amaury de la Vieuville <amaury.dlv@gmail.com> | 2013-06-08 13:38:52 +0000 |
|---|---|---|
| committer | Amaury de la Vieuville <amaury.dlv@gmail.com> | 2013-06-08 13:38:52 +0000 |
| commit | 46e136c952e0242308db2682ba2ec4020cdcd006 (patch) | |
| tree | 2b5ba5013c74cf75cd6e961468e27072e8e7f494 /lib/Target/ARM/ARMInstrInfo.td | |
| parent | c64835b0c57913b11abd648b76913390e62af8d6 (diff) | |
| download | external_llvm-46e136c952e0242308db2682ba2ec4020cdcd006.zip external_llvm-46e136c952e0242308db2682ba2ec4020cdcd006.tar.gz external_llvm-46e136c952e0242308db2682ba2ec4020cdcd006.tar.bz2 | |
ARM: fix CPS decoding when ambiguous with QADD
Handle the case when the disassembler table can't tell
the difference between some encodings of QADD and CPS.
Add some necessary safe guards in CPS decoding as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183610 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 2ea01f9..310c381 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -3279,9 +3279,11 @@ class AAI<bits<8> op27_20, bits<8> op11_4, string opc, // Saturating add/subtract +let DecoderMethod = "DecodeQADDInstruction" in def QADD : AAI<0b00010000, 0b00000101, "qadd", [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))], (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">; + def QSUB : AAI<0b00010010, 0b00000101, "qsub", [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))], (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">; |