diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 80 |
1 files changed, 17 insertions, 63 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index e5d7fdc..cccfe28 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -2243,44 +2243,16 @@ def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), } // RSB with 's' bit set. -let isCodeGenOnly = 1, Defs = [CPSR] in { -def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm, - IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm", - [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> { - bits<4> Rd; - bits<4> Rn; - bits<12> imm; - let Inst{25} = 1; - let Inst{20} = 1; - let Inst{15-12} = Rd; - let Inst{19-16} = Rn; - let Inst{11-0} = imm; -} -def RSBSrr : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, - IIC_iALUr, "rsbs", "\t$Rd, $Rn, $Rm", - [/* For disassembly only; pattern left blank */]> { - bits<4> Rd; - bits<4> Rn; - bits<4> Rm; - let Inst{11-4} = 0b00000000; - let Inst{25} = 0; - let Inst{20} = 1; - let Inst{3-0} = Rm; - let Inst{15-12} = Rd; - let Inst{19-16} = Rn; -} -def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), - DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift", - [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> { - bits<4> Rd; - bits<4> Rn; - bits<12> shift; - let Inst{25} = 0; - let Inst{20} = 1; - let Inst{11-0} = shift; - let Inst{15-12} = Rd; - let Inst{19-16} = Rn; -} +let isCodeGenOnly = 1, Defs = [CPSR], usesCustomInserter = 1 in { +def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), + Size4Bytes, IIC_iALUi, + [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>; +def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), + Size4Bytes, IIC_iALUr, + [/* For disassembly only; pattern left blank */]>; +def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), + Size4Bytes, IIC_iALUsr, + [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>; } let Uses = [CPSR] in { @@ -2325,33 +2297,15 @@ def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), } // FIXME: Allow these to be predicated. -let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in { -def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), - DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm", +let isCodeGenOnly = 1, usesCustomInserter = 1, Defs = [CPSR], Uses = [CPSR] in { +def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), + Size4Bytes, IIC_iALUi, [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>, - Requires<[IsARM]> { - bits<4> Rd; - bits<4> Rn; - bits<12> imm; - let Inst{25} = 1; - let Inst{20} = 1; - let Inst{15-12} = Rd; - let Inst{19-16} = Rn; - let Inst{11-0} = imm; -} -def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), - DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift", + Requires<[IsARM]>; +def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), + Size4Bytes, IIC_iALUsr, [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>, - Requires<[IsARM]> { - bits<4> Rd; - bits<4> Rn; - bits<12> shift; - let Inst{25} = 0; - let Inst{20} = 1; - let Inst{11-0} = shift; - let Inst{15-12} = Rd; - let Inst{19-16} = Rn; -} + Requires<[IsARM]>; } // (sub X, imm) gets canonicalized to (add X, -imm). Match this form. |