diff options
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index da94e093a5..59495409e6 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1278,6 +1278,30 @@ def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi, "mov", "\t$dst, $src, rrx", [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP; +//===----------------------------------------------------------------------===// +// Shift Instructions. +// +// These are for disassembly only. See also MOVs above. + +class AShI<string opc, bits<2> type> + : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src, am3offset:$offset), LdMiscFrm, + IIC_iMOVsr, opc, "\t$dst, $src, $offset", []>, UnaryDP { + let Inst{6-5} = type; + let Inst{25} = 0; +} + +def LSL : AShI<"lsl", 0b00>; +def LSR : AShI<"lsr", 0b01>; +def ASR : AShI<"asr", 0b10>; +def ROR : AShI<"ror", 0b11>; + +def RRX : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), LdMiscFrm, IIC_iMOVsr, + "rrx", "\t$dst, $src", []>, UnaryDP { + let Inst{25} = 0; + let Inst{11-7} = 0b00000; + let Inst{6-4} = 0b110; +} + // These aren't really mov instructions, but we have to define them this way // due to flag operands. |