[llvm-commits] [llvm] r153135 - in /llvm/trunk/lib/Target/ARM: ARMInstrInfo.td ARMInstrThumb2.td

Eli Friedman eli.friedman at gmail.com
Tue Mar 20 14:51:02 PDT 2012


On Tue, Mar 20, 2012 at 2:28 PM, Evan Cheng <evan.cheng at apple.com> wrote:
> Author: evancheng
> Date: Tue Mar 20 16:28:05 2012
> New Revision: 153135
>
> URL: http://llvm.org/viewvc/llvm-project?rev=153135&view=rev
> Log:
> Change conditional instructions definitions, e.g. ANDCC, ARMPseudoExpand and t2PseudoExpand.

This change is causing CodeGen/ARM/select_xform.ll to fail.

-Eli

> Modified:
>    llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
>    llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
>
> Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=153135&r1=153134&r2=153135&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
> +++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Tue Mar 20 16:28:05 2012
> @@ -4085,74 +4085,43 @@
>  [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
>                 RegConstraint<"$false = $Rd">;
>
> -let isCodeGenOnly = 1 in {
>  // Conditional instructions
> -multiclass AsI1_bincc_irs<bits<4> opcod, string opc,
> -                   InstrItinClass iii, InstrItinClass iir, InstrItinClass iis> {
> -  def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
> -               iii, opc, "\t$Rd, $Rn, $imm", []>,
> -               RegConstraint<"$Rn = $Rd"> {
> -    bits<4> Rd;
> -    bits<4> Rn;
> -    bits<12> imm;
> -    let Inst{25} = 1;
> -    let Inst{19-16} = Rn;
> -    let Inst{15-12} = Rd;
> -    let Inst{11-0} = imm;
> -  }
> -  def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
> -               iir, opc, "\t$Rd, $Rn, $Rm", []>,
> -               RegConstraint<"$Rn = $Rd"> {
> -    bits<4> Rd;
> -    bits<4> Rn;
> -    bits<4> Rm;
> -    let Inst{25} = 0;
> -    let Inst{19-16} = Rn;
> -    let Inst{15-12} = Rd;
> -    let Inst{11-4} = 0b00000000;
> -    let Inst{3-0} = Rm;
> -  }
> -
> -  def rsi : AsI1<opcod, (outs GPR:$Rd),
> -               (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
> -               iis, opc, "\t$Rd, $Rn, $shift", []>,
> -               RegConstraint<"$Rn = $Rd"> {
> -    bits<4> Rd;
> -    bits<4> Rn;
> -    bits<12> shift;
> -    let Inst{25} = 0;
> -    let Inst{19-16} = Rn;
> -    let Inst{15-12} = Rd;
> -    let Inst{11-5} = shift{11-5};
> -    let Inst{4} = 0;
> -    let Inst{3-0} = shift{3-0};
> -  }
> +multiclass AsI1_bincc_irs<Instruction iri, Instruction irr, Instruction irsi,
> +                          Instruction irsr,
> +                          InstrItinClass iii, InstrItinClass iir,
> +                          InstrItinClass iis> {
> +  def ri  : ARMPseudoExpand<(outs GPR:$Rd),
> +                            (ins GPR:$Rn, so_imm:$imm, pred:$p, cc_out:$s),
> +                            4, iii, [],
> +                       (iri GPR:$Rd, GPR:$Rn, so_imm:$imm, pred:$p, cc_out:$s)>,
> +                            RegConstraint<"$Rn = $Rd">;
> +  def rr  : ARMPseudoExpand<(outs GPR:$Rd),
> +                            (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
> +                            4, iir, [],
> +                           (irr GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
> +                            RegConstraint<"$Rn = $Rd">;
> +  def rsi : ARMPseudoExpand<(outs GPR:$Rd),
> +                           (ins GPR:$Rn, so_reg_imm:$shift, pred:$p, cc_out:$s),
> +                            4, iis, [],
> +                (irsi GPR:$Rd, GPR:$Rn, so_reg_imm:$shift, pred:$p, cc_out:$s)>,
> +                            RegConstraint<"$Rn = $Rd">;
> +  def rsr : ARMPseudoExpand<(outs GPRnopc:$Rd),
> +                       (ins GPRnopc:$Rn, so_reg_reg:$shift, pred:$p, cc_out:$s),
> +                            4, iis, [],
> +                (irsr GPR:$Rd, GPR:$Rn, so_reg_reg:$shift, pred:$p, cc_out:$s)>,
> +                            RegConstraint<"$Rn = $Rd">;
> +}
> +
> +defm ANDCC : AsI1_bincc_irs<ANDri, ANDrr, ANDrsi, ANDrsr,
> +                            IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
> +defm ORRCC : AsI1_bincc_irs<ORRri, ORRrr, ORRrsi, ORRrsr,
> +                            IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
> +defm EORCC : AsI1_bincc_irs<EORri, EORrr, EORrsi, EORrsr,
> +                            IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
>
> -  def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
> -               (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
> -               iis, opc, "\t$Rd, $Rn, $shift", []>,
> -               RegConstraint<"$Rn = $Rd"> {
> -    bits<4> Rd;
> -    bits<4> Rn;
> -    bits<12> shift;
> -    let Inst{25} = 0;
> -    let Inst{19-16} = Rn;
> -    let Inst{15-12} = Rd;
> -    let Inst{11-8} = shift{11-8};
> -    let Inst{7} = 0;
> -    let Inst{6-5} = shift{6-5};
> -    let Inst{4} = 1;
> -    let Inst{3-0} = shift{3-0};
> -  }
> -} // AsI1_bincc_irs
> -
> -defm ANDCC : AsI1_bincc_irs<0b0000, "and", IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
> -defm ORRCC : AsI1_bincc_irs<0b1100, "orr", IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
> -defm EORCC : AsI1_bincc_irs<0b0001, "eor", IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
> -
> -} // isCodeGenOnly
>  } // neverHasSideEffects
>
> +
>  //===----------------------------------------------------------------------===//
>  // Atomic operations intrinsics
>  //
>
> Modified: llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td?rev=153135&r1=153134&r2=153135&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td (original)
> +++ llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td Tue Mar 20 16:28:05 2012
> @@ -2952,45 +2952,36 @@
>                              (ins rGPR:$false, rGPR:$Rm, i32imm:$imm),
>                              IIC_iCMOVsi, "ror", ".w\t$Rd, $Rm, $imm", []>,
>                  RegConstraint<"$false = $Rd">;
> +} // isCodeGenOnly = 1
>
> -multiclass T2I_bincc_irs<bits<4> opcod, string opc,
> +multiclass T2I_bincc_irs<Instruction iri, Instruction irr, Instruction irs,
>                    InstrItinClass iii, InstrItinClass iir, InstrItinClass iis> {
>    // shifted imm
> -   def ri : T2sTwoRegImm<(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm),
> -                         iii, opc, ".w\t$Rd, $Rn, $imm", []>,
> -                         RegConstraint<"$Rn = $Rd"> {
> -     let Inst{31-27} = 0b11110;
> -     let Inst{25} = 0;
> -     let Inst{24-21} = opcod;
> -     let Inst{15} = 0;
> -   }
> +   def ri : t2PseudoExpand<(outs rGPR:$Rd),
> +                           (ins rGPR:$Rn, t2_so_imm:$imm, pred:$p, cc_out:$s),
> +                           4, iii, [],
> +                  (iri rGPR:$Rd, rGPR:$Rn, t2_so_imm:$imm, pred:$p, cc_out:$s)>,
> +                           RegConstraint<"$Rn = $Rd">;
>    // register
> -   def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm),
> -                        iir, opc, ".w\t$Rd, $Rn, $Rm", []>,
> -                        RegConstraint<"$Rn = $Rd"> {
> -     let Inst{31-27} = 0b11101;
> -     let Inst{26-25} = 0b01;
> -     let Inst{24-21} = opcod;
> -     let Inst{14-12} = 0b000; // imm3
> -     let Inst{7-6} = 0b00; // imm2
> -     let Inst{5-4} = 0b00; // type
> -   }
> +   def rr : t2PseudoExpand<(outs rGPR:$Rd),
> +                           (ins rGPR:$Rn, rGPR:$Rm, pred:$p, cc_out:$s),
> +                           4, iir, [],
> +                        (irr rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, pred:$p, cc_out:$s)>,
> +                           RegConstraint<"$Rn = $Rd">;
>    // shifted register
> -   def rs : T2sTwoRegShiftedReg<(outs rGPR:$Rd),
> -                                (ins rGPR:$Rn, t2_so_reg:$ShiftedRm),
> -                                iis, opc, ".w\t$Rd, $Rn, $ShiftedRm", []>,
> -                                RegConstraint<"$Rn = $Rd"> {
> -     let Inst{31-27} = 0b11101;
> -     let Inst{26-25} = 0b01;
> -     let Inst{24-21} = opcod;
> -   }
> +   def rs : t2PseudoExpand<(outs rGPR:$Rd),
> +                       (ins rGPR:$Rn, t2_so_reg:$ShiftedRm, pred:$p, cc_out:$s),
> +                           4, iis, [],
> +            (irs rGPR:$Rd, rGPR:$Rn, t2_so_reg:$ShiftedRm, pred:$p, cc_out:$s)>,
> +                           RegConstraint<"$Rn = $Rd">;
>  } // T2I_bincc_irs
>
> -defm t2ANDCC : T2I_bincc_irs<0b0000, "and", IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
> -defm t2ORRCC : T2I_bincc_irs<0b0010, "orr", IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
> -defm t2EORCC : T2I_bincc_irs<0b0100, "eor", IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
> -
> -} // isCodeGenOnly = 1
> +defm t2ANDCC : T2I_bincc_irs<t2ANDri, t2ANDrr, t2ANDrs,
> +                             IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
> +defm t2ORRCC : T2I_bincc_irs<t2ORRri, t2ORRrr, t2ORRrs,
> +                             IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
> +defm t2EORCC : T2I_bincc_irs<t2EORri, t2EORrr, t2EORrs,
> +                             IIC_iBITi, IIC_iBITr, IIC_iBITsi>;
>  } // neverHasSideEffects
>
>  //===----------------------------------------------------------------------===//
>
>
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