diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrInfo.td | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td index ec123cbc176..d20e944ddf5 100644 --- a/llvm/lib/Target/ARM/ARMInstrInfo.td +++ b/llvm/lib/Target/ARM/ARMInstrInfo.td @@ -1997,19 +1997,28 @@ def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2), // Indexed loads multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> { - def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb), - (ins addrmode2:$addr), IndexModePre, LdFrm, itin, + def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb), + (ins addrmode_imm12:$addr), IndexModePre, LdFrm, itin, opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> { - // {17-14} Rn - // {13} reg vs. imm - // {12} isAdd - // {11-0} imm12/Rm - bits<18> addr; - let Inst{25} = addr{13}; + bits<17> addr; + let Inst{25} = 0; let Inst{23} = addr{12}; - let Inst{19-16} = addr{17-14}; + let Inst{19-16} = addr{16-13}; let Inst{11-0} = addr{11-0}; - let DecoderMethod = "DecodeAddrMode2IdxInstruction"; + let DecoderMethod = "DecodeLDRPreImm"; + let AsmMatchConverter = "cvtLdWriteBackRegAddrModeImm12"; + } + + def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb), + (ins ldst_so_reg:$addr), IndexModePre, LdFrm, itin, + opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> { + bits<17> addr; + let Inst{25} = 1; + let Inst{23} = addr{12}; + let Inst{19-16} = addr{16-13}; + let Inst{11-0} = addr{11-0}; + let Inst{4} = 0; + let DecoderMethod = "DecodeLDRPreReg"; let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2"; } |
