diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 3854b68..66f2259 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -66,7 +66,7 @@ def t2_so_imm_not : Operand<i32>, // t2_so_imm_neg - Match an immediate that is a negation of a t2_so_imm. def t2_so_imm_neg : Operand<i32>, PatLeaf<(imm), [{ - return ARM_AM::getT2SOImmVal(-((int)N->getZExtValue())) != -1; + return ARM_AM::getT2SOImmVal(-((uint32_t)N->getZExtValue())) != -1; }], t2_so_imm_neg_XFORM>; // Break t2_so_imm's up into two pieces. This handles immediates with up to 16 @@ -2243,7 +2243,7 @@ defm t2TEQ : T2I_cmp_irs<0b0100, "teq", // Conditional moves // FIXME: should be able to write a pattern for ARMcmov, but can't use // a two-value operand where a dag node expects two operands. :( -let neverHasSideEffects = 1 in { +let neverHasSideEffects = 1, isAsCheapAsAMove = 1 in { def t2MOVCCr : T2I<(outs rGPR:$dst), (ins rGPR:$false, rGPR:$true), IIC_iCMOVr, "mov", ".w\t$dst, $true", [/*(set rGPR:$dst, (ARMcmov rGPR:$false, rGPR:$true, imm:$cc, CCR:$ccr))*/]>, @@ -2270,7 +2270,7 @@ def t2MOVCCi : T2I<(outs rGPR:$dst), (ins rGPR:$false, t2_so_imm:$true), } def t2MOVCCi16 : T2I<(outs rGPR:$dst), (ins rGPR:$false, i32imm:$src), - IIC_iMOVi, + IIC_iCMOVi, "movw", "\t$dst, $src", []>, RegConstraint<"$false = $dst"> { let Inst{31-27} = 0b11110; @@ -2280,6 +2280,19 @@ def t2MOVCCi16 : T2I<(outs rGPR:$dst), (ins rGPR:$false, i32imm:$src), let Inst{15} = 0; } +def t2MVNCCi : T2I<(outs rGPR:$dst), (ins rGPR:$false, t2_so_imm:$true), + IIC_iCMOVi, "mvn", ".w\t$dst, $true", +[/*(set rGPR:$dst,(ARMcmov rGPR:$false,t2_so_imm_not:$true, + imm:$cc, CCR:$ccr))*/]>, + RegConstraint<"$false = $dst"> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = 0b0011; + let Inst{20} = 0; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{15} = 0; +} + class T2I_movcc_sh<bits<2> opcod, dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> : T2I<oops, iops, itin, opc, asm, pattern> { |