[llvm-commits] [llvm] r99655 - in /llvm/trunk/lib/Target/ARM: ARMInstrFormats.td ARMInstrNEON.td

Bob Wilson bob.wilson at apple.com
Fri Mar 26 15:02:11 PDT 2010


I would rather push the format argument into all the N3VInt instructions.  We already have too many classes and multiclasses for Neon, so I really don't want to create any more.  Can you do that or do you want me to do it?

On Mar 26, 2010, at 2:26 PM, Johnny Chen wrote:

> Author: johnny
> Date: Fri Mar 26 16:26:28 2010
> New Revision: 99655
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=99655&view=rev
> Log:
> Add N3RegVShFrm to represent 3-Register Vector Shift Instructions, which do not
> follow the N3RegFrm's operand order of D:Vd N:Vn M:Vm.  The operand order of
> N3RegVShFrm is D:Vd M:Vm N:Vn (notice that M:Vm is the first src operand).
> 
> Add a parent class N3Vf which requires passing a Format argument and which the
> N3V class is modified to inherit from.  N3V class represents the "normal"
> 3-Register NEON Instructions with N3RegFrm.
> 
> Also add a multiclass N3VSh_QHSD to represent clusters of NEON 3-Register Shift
> Instructions and replace 8 invocations with it.
> 
> Modified:
>    llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
>    llvm/trunk/lib/Target/ARM/ARMInstrNEON.td
> 
> Modified: llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrFormats.td?rev=99655&r1=99654&r2=99655&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMInstrFormats.td (original)
> +++ llvm/trunk/lib/Target/ARM/ARMInstrFormats.td Fri Mar 26 16:26:28 2010
> @@ -67,6 +67,7 @@
> def N2RegVShLFrm   : Format<36>;
> def N2RegVShRFrm   : Format<37>;
> def N3RegFrm       : Format<38>;
> +def N3RegVShFrm    : Format<39>;
> 
> // Misc flags.
> 
> @@ -1603,11 +1604,11 @@
>   let Inst{4} = op4;
> }
> 
> -// NEON 3 vector register format.
> -class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
> -          dag oops, dag iops, InstrItinClass itin,
> -          string opc, string dt, string asm, string cstr, list<dag> pattern>
> -  : NDataI<oops, iops, N3RegFrm, itin, opc, dt, asm, cstr, pattern> {
> +// NEON 3 vector register template, which requires a Format argument.
> +class N3Vf<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,bit op4,
> +           dag oops, dag iops, Format f, InstrItinClass itin,
> +           string opc, string dt, string asm, string cstr, list<dag> pattern>
> +  : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
>   let Inst{24} = op24;
>   let Inst{23} = op23;
>   let Inst{21-20} = op21_20;
> @@ -1616,6 +1617,13 @@
>   let Inst{4} = op4;
> }
> 
> +// NEON 3 vector register format.
> +class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
> +          dag oops, dag iops, InstrItinClass itin,
> +          string opc, string dt, string asm, string cstr, list<dag> pattern>
> +  : N3Vf<op24, op23, op21_20, op11_8, op6, op4, oops, iops, N3RegFrm, itin,
> +         opc, dt, asm, cstr, pattern>;
> +
> // Same as N3V except it doesn't have a data type suffix.
> class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
>            bit op4,
> 
> Modified: llvm/trunk/lib/Target/ARM/ARMInstrNEON.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrNEON.td?rev=99655&r1=99654&r2=99655&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMInstrNEON.td (original)
> +++ llvm/trunk/lib/Target/ARM/ARMInstrNEON.td Fri Mar 26 16:26:28 2010
> @@ -1594,6 +1594,60 @@
>                       v2i64, v2i64, IntOp, Commutable>;
> }
> 
> +// N3VSh_QHSD is similar to N3VInt_QHSD, except that it is for 3-Register Vector
> +// Shift Instructions (N3RegVShFrm), which do not follow the N3RegFrm's operand
> +// order of D:Vd N:Vn M:Vm.
> +//
> +// The operand order of N3RegVShFrm is D:Vd M:Vm N:Vn (notice that M:Vm is the
> +// first src operand).
> +class N3VDSh<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
> +             InstrItinClass itin, string OpcodeStr, string Dt,
> +             ValueType ResTy, ValueType OpTy, Intrinsic IntOp, bit Commutable>
> +  : N3Vf<op24, op23, op21_20, op11_8, 0, op4,
> +         (outs DPR:$dst), (ins DPR:$src1, DPR:$src2), N3RegVShFrm,
> +         itin, OpcodeStr, Dt, "$dst, $src1, $src2", "",
> +         [(set DPR:$dst, (ResTy (IntOp (OpTy DPR:$src1), (OpTy DPR:$src2))))]> {
> +  let isCommutable = Commutable;
> +}
> +class N3VQSh<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
> +             InstrItinClass itin, string OpcodeStr, string Dt,
> +             ValueType ResTy, ValueType OpTy, Intrinsic IntOp, bit Commutable>
> +  : N3Vf<op24, op23, op21_20, op11_8, 1, op4,
> +         (outs QPR:$dst), (ins QPR:$src1, QPR:$src2), N3RegVShFrm,
> +         itin, OpcodeStr, Dt, "$dst, $src1, $src2", "",
> +         [(set QPR:$dst, (ResTy (IntOp (OpTy QPR:$src1), (OpTy QPR:$src2))))]> {
> +  let isCommutable = Commutable;
> +}
> +multiclass N3VSh_QHSD<bit op24, bit op23, bits<4> op11_8, bit op4,
> +                      InstrItinClass itinD16, InstrItinClass itinD32,
> +                      InstrItinClass itinQ16, InstrItinClass itinQ32,
> +                      string OpcodeStr, string Dt,
> +                      Intrinsic IntOp, bit Commutable> {
> +  def v4i16 : N3VDSh<op24, op23, 0b01, op11_8, op4, itinD16,
> +                     OpcodeStr, !strconcat(Dt, "16"),
> +                     v4i16, v4i16, IntOp, Commutable>;
> +  def v2i32 : N3VDSh<op24, op23, 0b10, op11_8, op4, itinD32,
> +                     OpcodeStr, !strconcat(Dt, "32"),
> +                     v2i32, v2i32, IntOp, Commutable>;
> +  def v8i16 : N3VQSh<op24, op23, 0b01, op11_8, op4, itinQ16,
> +                     OpcodeStr, !strconcat(Dt, "16"),
> +                     v8i16, v8i16, IntOp, Commutable>;
> +  def v4i32 : N3VQSh<op24, op23, 0b10, op11_8, op4, itinQ32,
> +                     OpcodeStr, !strconcat(Dt, "32"),
> +                     v4i32, v4i32, IntOp, Commutable>;
> +  def v8i8  : N3VDSh<op24, op23, 0b00, op11_8, op4, itinD16,
> +                     OpcodeStr, !strconcat(Dt, "8"),
> +                     v8i8, v8i8, IntOp, Commutable>;
> +  def v16i8 : N3VQSh<op24, op23, 0b00, op11_8, op4, itinQ16,
> +                     OpcodeStr, !strconcat(Dt, "8"),
> +                     v16i8, v16i8, IntOp, Commutable>;
> +  def v1i64 : N3VDSh<op24, op23, 0b11, op11_8, op4,
> +                     itinD32, OpcodeStr, !strconcat(Dt, "64"),
> +                     v1i64, v1i64, IntOp, Commutable>;
> +  def v2i64 : N3VQSh<op24, op23, 0b11, op11_8, op4,
> +                     itinQ32, OpcodeStr, !strconcat(Dt, "64"),
> +                     v2i64, v2i64, IntOp, Commutable>;
> +}
> 
> // Neon Narrowing 3-register vector intrinsics,
> //   source operand element sizes of 16, 32 and 64 bits:
> @@ -2575,10 +2629,10 @@
> // Vector Shifts.
> 
> //   VSHL     : Vector Shift
> -defm VSHLs    : N3VInt_QHSD<0, 0, 0b0100, 0, IIC_VSHLiD, IIC_VSHLiD, IIC_VSHLiQ,
> -                            IIC_VSHLiQ, "vshl", "s", int_arm_neon_vshifts, 0>;
> -defm VSHLu    : N3VInt_QHSD<1, 0, 0b0100, 0, IIC_VSHLiD, IIC_VSHLiD, IIC_VSHLiQ,
> -                            IIC_VSHLiQ, "vshl", "u", int_arm_neon_vshiftu, 0>;
> +defm VSHLs    : N3VSh_QHSD<0, 0, 0b0100, 0, IIC_VSHLiD, IIC_VSHLiD, IIC_VSHLiQ,
> +                           IIC_VSHLiQ, "vshl", "s", int_arm_neon_vshifts, 0>;
> +defm VSHLu    : N3VSh_QHSD<1, 0, 0b0100, 0, IIC_VSHLiD, IIC_VSHLiD, IIC_VSHLiQ,
> +                           IIC_VSHLiQ, "vshl", "u", int_arm_neon_vshiftu, 0>;
> //   VSHL     : Vector Shift Left (Immediate)
> defm VSHLi    : N2VSh_QHSD<0, 1, 0b0101, 1, IIC_VSHLiD, "vshl", "i", NEONvshl,
>                            N2RegVShLFrm>;
> @@ -2612,10 +2666,10 @@
>                            NEONvshrn>;
> 
> //   VRSHL    : Vector Rounding Shift
> -defm VRSHLs   : N3VInt_QHSD<0,0,0b0101,0, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> -                            IIC_VSHLi4Q, "vrshl", "s", int_arm_neon_vrshifts,0>;
> -defm VRSHLu   : N3VInt_QHSD<1,0,0b0101,0, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> -                            IIC_VSHLi4Q, "vrshl", "u", int_arm_neon_vrshiftu,0>;
> +defm VRSHLs   : N3VSh_QHSD<0,0,0b0101,0,IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> +                           IIC_VSHLi4Q,"vrshl", "s", int_arm_neon_vrshifts,0>;
> +defm VRSHLu   : N3VSh_QHSD<1,0,0b0101,0,IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> +                           IIC_VSHLi4Q,"vrshl", "u", int_arm_neon_vrshiftu,0>;
> //   VRSHR    : Vector Rounding Shift Right
> defm VRSHRs   : N2VSh_QHSD<0,1,0b0010,1, IIC_VSHLi4D, "vrshr", "s", NEONvrshrs,
>                            N2RegVShRFrm>;
> @@ -2627,10 +2681,10 @@
>                            NEONvrshrn>;
> 
> //   VQSHL    : Vector Saturating Shift
> -defm VQSHLs   : N3VInt_QHSD<0,0,0b0100,1, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> -                            IIC_VSHLi4Q, "vqshl", "s", int_arm_neon_vqshifts,0>;
> -defm VQSHLu   : N3VInt_QHSD<1,0,0b0100,1, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> -                            IIC_VSHLi4Q, "vqshl", "u", int_arm_neon_vqshiftu,0>;
> +defm VQSHLs   : N3VSh_QHSD<0,0,0b0100,1,IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> +                           IIC_VSHLi4Q, "vqshl", "s", int_arm_neon_vqshifts,0>;
> +defm VQSHLu   : N3VSh_QHSD<1,0,0b0100,1,IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> +                           IIC_VSHLi4Q, "vqshl", "u", int_arm_neon_vqshiftu,0>;
> //   VQSHL    : Vector Saturating Shift Left (Immediate)
> defm VQSHLsi  : N2VSh_QHSD<0,1,0b0111,1, IIC_VSHLi4D, "vqshl", "s",NEONvqshls,
>                            N2RegVShLFrm>;
> @@ -2651,12 +2705,12 @@
>                            NEONvqshrnsu>;
> 
> //   VQRSHL   : Vector Saturating Rounding Shift
> -defm VQRSHLs  : N3VInt_QHSD<0,0,0b0101,1, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> -                            IIC_VSHLi4Q, "vqrshl", "s",
> -                            int_arm_neon_vqrshifts, 0>;
> -defm VQRSHLu  : N3VInt_QHSD<1,0,0b0101,1, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> -                            IIC_VSHLi4Q, "vqrshl", "u",
> -                            int_arm_neon_vqrshiftu, 0>;
> +defm VQRSHLs  : N3VSh_QHSD<0,0,0b0101,1, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> +                           IIC_VSHLi4Q, "vqrshl", "s",
> +                           int_arm_neon_vqrshifts, 0>;
> +defm VQRSHLu  : N3VSh_QHSD<1,0,0b0101,1, IIC_VSHLi4D, IIC_VSHLi4D, IIC_VSHLi4Q,
> +                           IIC_VSHLi4Q, "vqrshl", "u",
> +                           int_arm_neon_vqrshiftu, 0>;
> 
> //   VQRSHRN  : Vector Saturating Rounding Shift Right and Narrow
> defm VQRSHRNs : N2VNSh_HSD<0, 1, 0b1001, 0, 1, 1, IIC_VSHLi4D, "vqrshrn", "s",
> 
> 
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