diff options
-rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 10038c8..9a96dc7 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -385,24 +385,13 @@ let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in { } let isReturn = 1, isTerminator = 1, isBarrier = 1 in { - def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr", - [(ARMretflag)]>, - T1Special<{1,1,0,?}> { - // A6.2.3 & A8.6.25 - let Inst{6-3} = 0b1110; // Rm = lr - let Inst{2-0} = 0b000; - } + def tBX_RET : tPseudoExpand<(outs), (ins), Size2Bytes, IIC_Br, + [(ARMretflag)], (tBX LR, (ops 14, zero_reg))>; // Alternative return instruction used by vararg functions. - def tBX_RET_vararg : TI<(outs), (ins tGPR:$Rm), - IIC_Br, "bx\t$Rm", - []>, - T1Special<{1,1,0,?}> { - // A6.2.3 & A8.6.25 - bits<4> Rm; - let Inst{6-3} = Rm; - let Inst{2-0} = 0b000; - } + def tBX_RET_vararg : tPseudoExpand<(outs), (ins tGPR:$Rm), + Size2Bytes, IIC_Br, [], + (tBX GPR:$Rm, (ops 14, zero_reg))>; } // All calls clobber the non-callee saved registers. SP is marked as a use to |