diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index fef8413f94e..01e6e1891fc 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -4013,15 +4013,17 @@ def t2MRSbanked : T2I<(outs rGPR:$Rd), (ins banked_reg:$banked), // // This MRS has a mask field in bits 7-0 and can take more values than // the A/R class (a full msr_mask). -def t2MRS_M : T2I<(outs rGPR:$Rd), (ins msr_mask:$mask), NoItinerary, - "mrs", "\t$Rd, $mask", []>, +def t2MRS_M : T2I<(outs rGPR:$Rd), (ins msr_mask:$SYSm), NoItinerary, + "mrs", "\t$Rd, $SYSm", []>, Requires<[IsThumb,IsMClass]> { bits<4> Rd; - bits<8> mask; + bits<8> SYSm; let Inst{31-12} = 0b11110011111011111000; let Inst{11-8} = Rd; - let Inst{19-16} = 0b1111; - let Inst{7-0} = mask; + let Inst{7-0} = SYSm; + + let Unpredictable{20-16} = 0b11111; + let Unpredictable{13} = 0b1; } @@ -4077,7 +4079,13 @@ def t2MSR_M : T2I<(outs), (ins msr_mask:$SYSm, rGPR:$Rn), let Inst{20} = 0b0; let Inst{19-16} = Rn; let Inst{15-12} = 0b1000; - let Inst{11-0} = SYSm; + let Inst{11-10} = SYSm{11-10}; + let Inst{9-8} = 0b00; + let Inst{7-0} = SYSm{7-0}; + + let Unpredictable{20} = 0b1; + let Unpredictable{13} = 0b1; + let Unpredictable{9-8} = 0b11; } |
