diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index e17f73a..a867844 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -311,7 +311,7 @@ def tHLT : T1I<(outs), (ins imm0_63:$val), NoItinerary, "hlt\t$val", } def tSETEND : T1I<(outs), (ins setend_op:$end), NoItinerary, "setend\t$end", - []>, T1Encoding<0b101101>, Deprecated<HasV8Ops> { + []>, T1Encoding<0b101101>, Requires<[IsNotMClass]>, Deprecated<HasV8Ops> { bits<1> end; // A8.6.156 let Inst{9-5} = 0b10010; @@ -360,6 +360,14 @@ def tADDrSPi : T1pI<(outs tGPR:$dst), (ins GPRsp:$sp, t_imm0_1020s4:$imm), let DecoderMethod = "DecodeThumbAddSpecialReg"; } +// Thumb1 frame lowering is rather fragile, we hope to be able to use +// tADDrSPi, but we may need to insert a sequence that clobbers CPSR. +def tADDframe : PseudoInst<(outs tGPR:$dst), (ins i32imm:$base, i32imm:$offset), + NoItinerary, []>, + Requires<[IsThumb, IsThumb1Only]> { + let Defs = [CPSR]; +} + // ADD sp, sp, #<imm7> def tADDspi : T1pIt<(outs GPRsp:$Rdn), (ins GPRsp:$Rn, t_imm0_508s4:$imm), IIC_iALUi, "add", "\t$Rdn, $imm", []>, @@ -466,7 +474,7 @@ let isCall = 1, (outs), (ins pred:$p, t_blxtarget:$func), IIC_Br, "blx${p}\t$func", [(ARMcall tglobaladdr:$func)]>, - Requires<[IsThumb, HasV5T]>, Sched<[WriteBrL]> { + Requires<[IsThumb, HasV5T, IsNotMClass]>, Sched<[WriteBrL]> { bits<24> func; let Inst{26} = func{23}; let Inst{25-16} = func{20-11}; @@ -1355,7 +1363,7 @@ def : T1Pat<(ARMtcall texternalsym:$func), (tBL texternalsym:$func)>, Requires<[IsThumb]>; def : Tv5Pat<(ARMcall texternalsym:$func), (tBLXi texternalsym:$func)>, - Requires<[IsThumb, HasV5T]>; + Requires<[IsThumb, HasV5T, IsNotMClass]>; // Indirect calls to ARM routines def : Tv5Pat<(ARMcall GPR:$dst), (tBLXr GPR:$dst)>, |