diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index b8159f13a3..e86f2767ca 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -2881,7 +2881,9 @@ def t2LDREX : Thumb2I<(outs rGPR:$Rt), (ins t2addrmode_reg:$addr), AddrModeNone let Inst{19-16} = addr; let Inst{15-12} = Rt; } -def t2LDREXD : T2I_ldrex<0b11, (outs rGPR:$Rt, rGPR:$Rt2), (ins t2addrmode_reg:$addr), +let hasExtraDefRegAllocReq = 1 in +def t2LDREXD : T2I_ldrex<0b11, (outs rGPR:$Rt, rGPR:$Rt2), + (ins t2addrmode_reg:$addr), AddrModeNone, Size4Bytes, NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", "", [], {?, ?, ?, ?}> { @@ -2912,6 +2914,9 @@ def t2STREX : Thumb2I<(outs rGPR:$Rd), (ins rGPR:$Rt, t2addrmode_reg:$addr), let Inst{19-16} = addr; let Inst{15-12} = Rt; } +} + +let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in def t2STREXD : T2I_strex<0b11, (outs rGPR:$Rd), (ins rGPR:$Rt, rGPR:$Rt2, t2addrmode_reg:$addr), AddrModeNone, Size4Bytes, NoItinerary, @@ -2920,7 +2925,6 @@ def t2STREXD : T2I_strex<0b11, (outs rGPR:$Rd), bits<4> Rt2; let Inst{11-8} = Rt2; } -} // Clear-Exclusive is for disassembly only. def t2CLREX : T2XI<(outs), (ins), NoItinerary, "clrex", |