diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index e9e11b0465..fd550219fe 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -3366,8 +3366,9 @@ def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary, "ldrexh", "\t$Rt, $addr", []>; def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary, "ldrex", "\t$Rt, $addr", []>; -def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr), - NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>; +let hasExtraDefRegAllocReq = 1 in + def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr), + NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>; } let mayStore = 1, Constraints = "@earlyclobber $Rd" in { @@ -3377,10 +3378,12 @@ def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr), NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>; def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr), NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>; +} + +let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in def STREXD : AIstrex<0b01, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr), NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>; -} // Clear-Exclusive is for disassembly only. def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", |