diff options
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index f3221f7722..139dde139a 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -398,6 +398,20 @@ class T2FourReg<dag oops, dag iops, InstrItinClass itin, let Inst{3-0} = Rm; } +class T2MulLong<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2I<oops, iops, itin, opc, asm, pattern> { + bits<4> RdLo; + bits<4> RdHi; + bits<4> Rn; + bits<4> Rm; + + let Inst{19-16} = Rn; + let Inst{15-12} = RdLo; + let Inst{11-8} = RdHi; + let Inst{3-0} = Rm; +} + /// T2I_un_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a /// unary operation that produces a value. These are predicable and can be @@ -2192,7 +2206,7 @@ def t2MLS: T2FourReg< // Extra precision multiplies with low / high results let neverHasSideEffects = 1 in { let isCommutable = 1 in { -def t2SMULL : T2FourReg< +def t2SMULL : T2MulLong< (outs rGPR:$Rd, rGPR:$Ra), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL64, "smull", "\t$Rd, $Ra, $Rn, $Rm", []> { @@ -2202,10 +2216,10 @@ def t2SMULL : T2FourReg< let Inst{7-4} = 0b0000; } -def t2UMULL : T2FourReg< - (outs rGPR:$Rd, rGPR:$Ra), +def t2UMULL : T2MulLong< + (outs rGPR:$RdLo, rGPR:$RdHi), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMUL64, - "umull", "\t$Rd, $Ra, $Rn, $Rm", []> { + "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []> { let Inst{31-27} = 0b11111; let Inst{26-23} = 0b0111; let Inst{22-20} = 0b010; @@ -2214,27 +2228,27 @@ def t2UMULL : T2FourReg< } // isCommutable // Multiply + accumulate -def t2SMLAL : T2FourReg<(outs rGPR:$Ra, rGPR:$Rd), +def t2SMLAL : T2MulLong<(outs rGPR:$RdLo, rGPR:$RdHi), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64, - "smlal", "\t$Ra, $Rd, $Rn, $Rm", []>{ + "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>{ let Inst{31-27} = 0b11111; let Inst{26-23} = 0b0111; let Inst{22-20} = 0b100; let Inst{7-4} = 0b0000; } -def t2UMLAL : T2FourReg<(outs rGPR:$Ra, rGPR:$Rd), +def t2UMLAL : T2MulLong<(outs rGPR:$RdLo, rGPR:$RdHi), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64, - "umlal", "\t$Ra, $Rd, $Rn, $Rm", []>{ + "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>{ let Inst{31-27} = 0b11111; let Inst{26-23} = 0b0111; let Inst{22-20} = 0b110; let Inst{7-4} = 0b0000; } -def t2UMAAL : T2FourReg<(outs rGPR:$Ra, rGPR:$Rd), +def t2UMAAL : T2MulLong<(outs rGPR:$RdLo, rGPR:$RdHi), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMAC64, - "umaal", "\t$Ra, $Rd, $Rn, $Rm", []>{ + "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>{ let Inst{31-27} = 0b11111; let Inst{26-23} = 0b0111; let Inst{22-20} = 0b110; |