diff options
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 3ef197a74b..3e4070b4af 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1863,6 +1863,27 @@ def STREXD : AIstrex<0b01, (outs GPR:$success), []>; } +// SWP/SWPB are deprecated in V6/V7 and for disassembly only. +let mayLoad = 1 in { +def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary, + "swp", "\t$dst, $src, [$ptr]", + [/* For disassembly only; pattern left blank */]> { + let Inst{27-23} = 0b00010; + let Inst{22} = 0; // B = 0 + let Inst{21-20} = 0b00; + let Inst{7-4} = 0b1001; +} + +def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary, + "swpb", "\t$dst, $src, [$ptr]", + [/* For disassembly only; pattern left blank */]> { + let Inst{27-23} = 0b00010; + let Inst{22} = 1; // B = 1 + let Inst{21-20} = 0b00; + let Inst{7-4} = 0b1001; +} +} + //===----------------------------------------------------------------------===// // TLS Instructions // |