forked from OSchip/llvm-project
536 lines
17 KiB
TableGen
536 lines
17 KiB
TableGen
//===-- VOPInstructions.td - Vector Instruction Defintions ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// dummies for outer let
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class LetDummies {
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bit isCommutable;
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bit isConvertibleToThreeAddress;
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bit isMoveImm;
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bit isReMaterializable;
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bit isAsCheapAsAMove;
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bit VOPAsmPrefer32Bit;
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Predicate SubtargetPredicate;
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string Constraints;
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string DisableEncoding;
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list<SchedReadWrite> SchedRW;
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list<Register> Uses;
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list<Register> Defs;
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}
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class VOP <string opName> {
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string OpName = opName;
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}
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class VOPAnyCommon <dag outs, dag ins, string asm, list<dag> pattern> :
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InstSI <outs, ins, asm, pattern> {
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let UseNamedOperandTable = 1;
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let VALU = 1;
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let Uses = [EXEC];
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}
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class VOP_Pseudo <string opName, string suffix, VOPProfile P, dag outs, dag ins,
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string asm, list<dag> pattern> :
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InstSI <outs, ins, asm, pattern>,
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VOP <opName>,
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SIMCInstr <opName#suffix, SIEncodingFamily.NONE>,
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MnemonicAlias<opName#suffix, opName> {
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let isPseudo = 1;
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let isCodeGenOnly = 1;
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let UseNamedOperandTable = 1;
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string Mnemonic = opName;
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VOPProfile Pfl = P;
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string AsmOperands;
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}
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class VOP3Common <dag outs, dag ins, string asm = "",
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list<dag> pattern = [], bit HasMods = 0,
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bit VOP3Only = 0> :
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VOPAnyCommon <outs, ins, asm, pattern> {
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// Using complex patterns gives VOP3 patterns a very high complexity rating,
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// but standalone patterns are almost always preferred, so we need to adjust the
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// priority lower. The goal is to use a high number to reduce complexity to
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// zero (or less than zero).
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let AddedComplexity = -1000;
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let VOP3 = 1;
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let AsmVariantName = AMDGPUAsmVariants.VOP3;
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let AsmMatchConverter = !if(!eq(HasMods,1), "cvtVOP3", "");
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let isCodeGenOnly = 0;
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int Size = 8;
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// Because SGPRs may be allowed if there are multiple operands, we
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// need a post-isel hook to insert copies in order to avoid
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// violating constant bus requirements.
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let hasPostISelHook = 1;
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}
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class VOP3_Pseudo <string opName, VOPProfile P, list<dag> pattern = [],
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bit VOP3Only = 0, bit isVOP3P = 0, bit isVop3OpSel = 0> :
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VOP_Pseudo <opName, "_e64", P, P.Outs64,
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!if(isVop3OpSel,
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P.InsVOP3OpSel,
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!if(!and(isVOP3P, P.IsPacked), P.InsVOP3P, P.Ins64)),
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"", pattern> {
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let VOP3_OPSEL = isVop3OpSel;
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let IsPacked = P.IsPacked;
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let AsmOperands = !if(isVop3OpSel,
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P.AsmVOP3OpSel,
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!if(!and(isVOP3P, P.IsPacked), P.AsmVOP3P, P.Asm64));
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let Size = 8;
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let SubtargetPredicate = isGCN;
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// Because SGPRs may be allowed if there are multiple operands, we
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// need a post-isel hook to insert copies in order to avoid
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// violating constant bus requirements.
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let hasPostISelHook = 1;
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// Using complex patterns gives VOP3 patterns a very high complexity rating,
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// but standalone patterns are almost always preferred, so we need to adjust the
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// priority lower. The goal is to use a high number to reduce complexity to
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// zero (or less than zero).
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let AddedComplexity = -1000;
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let VOP3 = 1;
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let VALU = 1;
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let FPClamp = P.HasFPClamp;
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let IntClamp = P.HasIntClamp;
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let ClampLo = P.HasClampLo;
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let ClampHi = P.HasClampHi;
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let Uses = [EXEC];
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let AsmVariantName = AMDGPUAsmVariants.VOP3;
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let AsmMatchConverter =
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!if(isVOP3P,
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"cvtVOP3P",
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!if(!or(P.HasModifiers, !or(P.HasOMod, P.HasIntClamp)),
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"cvtVOP3",
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""));
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}
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class VOP3P_Pseudo <string opName, VOPProfile P, list<dag> pattern = []> :
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VOP3_Pseudo<opName, P, pattern, 1, 1> {
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let VOP3P = 1;
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}
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class VOP3_Real <VOP_Pseudo ps, int EncodingFamily> :
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InstSI <ps.OutOperandList, ps.InOperandList, ps.Mnemonic # ps.AsmOperands, []>,
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SIMCInstr <ps.PseudoInstr, EncodingFamily> {
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let isPseudo = 0;
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let isCodeGenOnly = 0;
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let UseNamedOperandTable = 1;
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let Constraints = ps.Constraints;
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let DisableEncoding = ps.DisableEncoding;
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// copy relevant pseudo op flags
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let SubtargetPredicate = ps.SubtargetPredicate;
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let AsmMatchConverter = ps.AsmMatchConverter;
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let AsmVariantName = ps.AsmVariantName;
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let Constraints = ps.Constraints;
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let DisableEncoding = ps.DisableEncoding;
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let TSFlags = ps.TSFlags;
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let UseNamedOperandTable = ps.UseNamedOperandTable;
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let Uses = ps.Uses;
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let Defs = ps.Defs;
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VOPProfile Pfl = ps.Pfl;
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}
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// XXX - Is there any reason to distingusih this from regular VOP3
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// here?
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class VOP3P_Real<VOP_Pseudo ps, int EncodingFamily> :
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VOP3_Real<ps, EncodingFamily>;
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class VOP3a<VOPProfile P> : Enc64 {
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bits<4> src0_modifiers;
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bits<9> src0;
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bits<3> src1_modifiers;
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bits<9> src1;
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bits<3> src2_modifiers;
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bits<9> src2;
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bits<1> clamp;
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bits<2> omod;
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let Inst{8} = !if(P.HasSrc0Mods, src0_modifiers{1}, 0);
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let Inst{9} = !if(P.HasSrc1Mods, src1_modifiers{1}, 0);
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let Inst{10} = !if(P.HasSrc2Mods, src2_modifiers{1}, 0);
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let Inst{31-26} = 0x34; //encoding
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let Inst{40-32} = !if(P.HasSrc0, src0, 0);
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let Inst{49-41} = !if(P.HasSrc1, src1, 0);
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let Inst{58-50} = !if(P.HasSrc2, src2, 0);
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let Inst{60-59} = !if(P.HasOMod, omod, 0);
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let Inst{61} = !if(P.HasSrc0Mods, src0_modifiers{0}, 0);
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let Inst{62} = !if(P.HasSrc1Mods, src1_modifiers{0}, 0);
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let Inst{63} = !if(P.HasSrc2Mods, src2_modifiers{0}, 0);
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}
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class VOP3a_si <bits<9> op, VOPProfile P> : VOP3a<P> {
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let Inst{25-17} = op;
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let Inst{11} = !if(P.HasClamp, clamp{0}, 0);
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}
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class VOP3a_vi <bits<10> op, VOPProfile P> : VOP3a<P> {
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let Inst{25-16} = op;
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let Inst{15} = !if(P.HasClamp, clamp{0}, 0);
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}
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class VOP3e_si <bits<9> op, VOPProfile P> : VOP3a_si <op, P> {
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bits<8> vdst;
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let Inst{7-0} = !if(P.EmitDst, vdst{7-0}, 0);
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}
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class VOP3e_vi <bits<10> op, VOPProfile P> : VOP3a_vi <op, P> {
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bits<8> vdst;
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let Inst{7-0} = !if(P.EmitDst, vdst{7-0}, 0);
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}
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class VOP3OpSel_gfx9 <bits<10> op, VOPProfile P> : VOP3e_vi <op, P> {
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let Inst{11} = !if(P.HasSrc0, src0_modifiers{2}, 0);
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let Inst{12} = !if(P.HasSrc1, src1_modifiers{2}, 0);
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let Inst{13} = !if(P.HasSrc2, src2_modifiers{2}, 0);
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let Inst{14} = !if(P.HasDst, src0_modifiers{3}, 0);
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}
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// NB: For V_INTERP* opcodes, src0 is encoded as src1 and vice versa
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class VOP3Interp_vi <bits<10> op, VOPProfile P> : VOP3e_vi <op, P> {
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bits<2> attrchan;
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bits<6> attr;
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bits<1> high;
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let Inst{8} = 0; // No modifiers for src0
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let Inst{61} = 0;
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let Inst{9} = !if(P.HasSrc0Mods, src0_modifiers{1}, 0);
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let Inst{62} = !if(P.HasSrc0Mods, src0_modifiers{0}, 0);
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let Inst{37-32} = attr;
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let Inst{39-38} = attrchan;
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let Inst{40} = !if(P.HasHigh, high, 0);
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let Inst{49-41} = src0;
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}
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class VOP3be <VOPProfile P> : Enc64 {
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bits<8> vdst;
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bits<2> src0_modifiers;
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bits<9> src0;
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bits<2> src1_modifiers;
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bits<9> src1;
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bits<2> src2_modifiers;
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bits<9> src2;
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bits<7> sdst;
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bits<2> omod;
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let Inst{7-0} = vdst;
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let Inst{14-8} = sdst;
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let Inst{31-26} = 0x34; //encoding
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let Inst{40-32} = !if(P.HasSrc0, src0, 0);
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let Inst{49-41} = !if(P.HasSrc1, src1, 0);
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let Inst{58-50} = !if(P.HasSrc2, src2, 0);
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let Inst{60-59} = !if(P.HasOMod, omod, 0);
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let Inst{61} = !if(P.HasSrc0Mods, src0_modifiers{0}, 0);
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let Inst{62} = !if(P.HasSrc1Mods, src1_modifiers{0}, 0);
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let Inst{63} = !if(P.HasSrc2Mods, src2_modifiers{0}, 0);
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}
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class VOP3Pe <bits<10> op, VOPProfile P> : Enc64 {
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bits<8> vdst;
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// neg, neg_hi, op_sel put in srcN_modifiers
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bits<4> src0_modifiers;
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bits<9> src0;
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bits<4> src1_modifiers;
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bits<9> src1;
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bits<4> src2_modifiers;
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bits<9> src2;
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bits<1> clamp;
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let Inst{7-0} = vdst;
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let Inst{8} = !if(P.HasSrc0Mods, src0_modifiers{1}, 0); // neg_hi src0
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let Inst{9} = !if(P.HasSrc1Mods, src1_modifiers{1}, 0); // neg_hi src1
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let Inst{10} = !if(P.HasSrc2Mods, src2_modifiers{1}, 0); // neg_hi src2
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let Inst{11} = !if(!and(P.HasSrc0, P.HasOpSel), src0_modifiers{2}, 0); // op_sel(0)
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let Inst{12} = !if(!and(P.HasSrc1, P.HasOpSel), src1_modifiers{2}, 0); // op_sel(1)
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let Inst{13} = !if(!and(P.HasSrc2, P.HasOpSel), src2_modifiers{2}, 0); // op_sel(2)
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let Inst{14} = !if(!and(P.HasSrc2, P.HasOpSel), src2_modifiers{3}, 0); // op_sel_hi(2)
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let Inst{15} = !if(P.HasClamp, clamp{0}, 0);
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let Inst{25-16} = op;
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let Inst{31-26} = 0x34; //encoding
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let Inst{40-32} = !if(P.HasSrc0, src0, 0);
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let Inst{49-41} = !if(P.HasSrc1, src1, 0);
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let Inst{58-50} = !if(P.HasSrc2, src2, 0);
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let Inst{59} = !if(!and(P.HasSrc0, P.HasOpSel), src0_modifiers{3}, 0); // op_sel_hi(0)
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let Inst{60} = !if(!and(P.HasSrc1, P.HasOpSel), src1_modifiers{3}, 0); // op_sel_hi(1)
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let Inst{61} = !if(P.HasSrc0Mods, src0_modifiers{0}, 0); // neg (lo)
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let Inst{62} = !if(P.HasSrc1Mods, src1_modifiers{0}, 0); // neg (lo)
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let Inst{63} = !if(P.HasSrc2Mods, src2_modifiers{0}, 0); // neg (lo)
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}
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class VOP3be_si <bits<9> op, VOPProfile P> : VOP3be<P> {
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let Inst{25-17} = op;
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}
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class VOP3be_vi <bits<10> op, VOPProfile P> : VOP3be<P> {
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bits<1> clamp;
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let Inst{25-16} = op;
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let Inst{15} = !if(P.HasClamp, clamp{0}, 0);
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}
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def SDWA {
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// sdwa_sel
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int BYTE_0 = 0;
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int BYTE_1 = 1;
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int BYTE_2 = 2;
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int BYTE_3 = 3;
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int WORD_0 = 4;
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int WORD_1 = 5;
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int DWORD = 6;
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// dst_unused
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int UNUSED_PAD = 0;
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int UNUSED_SEXT = 1;
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int UNUSED_PRESERVE = 2;
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}
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class VOP_SDWAe<VOPProfile P> : Enc64 {
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bits<8> src0;
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bits<3> src0_sel;
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bits<2> src0_modifiers; // float: {abs,neg}, int {sext}
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bits<3> src1_sel;
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bits<2> src1_modifiers;
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bits<3> dst_sel;
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bits<2> dst_unused;
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bits<1> clamp;
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let Inst{39-32} = !if(P.HasSrc0, src0{7-0}, 0);
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let Inst{42-40} = !if(P.EmitDst, dst_sel{2-0}, 0);
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let Inst{44-43} = !if(P.EmitDst, dst_unused{1-0}, 0);
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let Inst{45} = !if(P.HasSDWAClamp, clamp{0}, 0);
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let Inst{50-48} = !if(P.HasSrc0, src0_sel{2-0}, 0);
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let Inst{51} = !if(P.HasSrc0IntMods, src0_modifiers{0}, 0);
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let Inst{53-52} = !if(P.HasSrc0FloatMods, src0_modifiers{1-0}, 0);
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let Inst{58-56} = !if(P.HasSrc1, src1_sel{2-0}, 0);
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let Inst{59} = !if(P.HasSrc1IntMods, src1_modifiers{0}, 0);
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let Inst{61-60} = !if(P.HasSrc1FloatMods, src1_modifiers{1-0}, 0);
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}
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// GFX9 adds two features to SDWA:
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// 1. Add 3 fields to the SDWA microcode word: S0, S1 and OMOD.
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// a. S0 and S1 indicate that source 0 and 1 respectively are SGPRs rather
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// than VGPRs (at most 1 can be an SGPR);
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// b. OMOD is the standard output modifier (result *2, *4, /2)
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// 2. Add a new version of the SDWA microcode word for VOPC: SDWAB. This
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// replaces OMOD and the dest fields with SD and SDST (SGPR destination)
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// field.
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// a. When SD=1, the SDST is used as the destination for the compare result;
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// b. When SD=0, VCC is used.
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//
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// In GFX9, V_MAC_F16, V_MAC_F32 opcodes cannot be used with SDWA
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// gfx9 SDWA basic encoding
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class VOP_SDWA9e<VOPProfile P> : Enc64 {
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bits<9> src0; // {src0_sgpr{0}, src0{7-0}}
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bits<3> src0_sel;
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bits<2> src0_modifiers; // float: {abs,neg}, int {sext}
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bits<3> src1_sel;
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bits<2> src1_modifiers;
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bits<1> src1_sgpr;
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let Inst{39-32} = !if(P.HasSrc0, src0{7-0}, 0);
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let Inst{50-48} = !if(P.HasSrc0, src0_sel{2-0}, 0);
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let Inst{51} = !if(P.HasSrc0IntMods, src0_modifiers{0}, 0);
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let Inst{53-52} = !if(P.HasSrc0FloatMods, src0_modifiers{1-0}, 0);
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let Inst{55} = !if(P.HasSrc0, src0{8}, 0);
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let Inst{58-56} = !if(P.HasSrc1, src1_sel{2-0}, 0);
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let Inst{59} = !if(P.HasSrc1IntMods, src1_modifiers{0}, 0);
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let Inst{61-60} = !if(P.HasSrc1FloatMods, src1_modifiers{1-0}, 0);
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let Inst{63} = 0; // src1_sgpr - should be specified in subclass
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}
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// gfx9 SDWA-A
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class VOP_SDWA9Ae<VOPProfile P> : VOP_SDWA9e<P> {
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bits<3> dst_sel;
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bits<2> dst_unused;
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bits<1> clamp;
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bits<2> omod;
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let Inst{42-40} = !if(P.EmitDst, dst_sel{2-0}, 0);
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let Inst{44-43} = !if(P.EmitDst, dst_unused{1-0}, 0);
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let Inst{45} = !if(P.HasSDWAClamp, clamp{0}, 0);
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let Inst{47-46} = !if(P.HasSDWAOMod, omod{1-0}, 0);
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}
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// gfx9 SDWA-B
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class VOP_SDWA9Be<VOPProfile P> : VOP_SDWA9e<P> {
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bits<8> sdst; // {vcc_sdst{0}, sdst{6-0}}
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let Inst{46-40} = !if(P.EmitDst, sdst{6-0}, 0);
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let Inst{47} = !if(P.EmitDst, sdst{7}, 0);
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}
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class VOP_SDWA_Pseudo <string opName, VOPProfile P, list<dag> pattern=[]> :
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InstSI <P.OutsSDWA, P.InsSDWA, "", pattern>,
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VOP <opName>,
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SIMCInstr <opName#"_sdwa", SIEncodingFamily.NONE>,
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MnemonicAlias <opName#"_sdwa", opName> {
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let isPseudo = 1;
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let isCodeGenOnly = 1;
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let UseNamedOperandTable = 1;
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string Mnemonic = opName;
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string AsmOperands = P.AsmSDWA;
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string AsmOperands9 = P.AsmSDWA9;
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let Size = 8;
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let mayLoad = 0;
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let mayStore = 0;
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let hasSideEffects = 0;
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let VALU = 1;
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let SDWA = 1;
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let Uses = [EXEC];
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let SubtargetPredicate = !if(P.HasExt, HasSDWA, DisableInst);
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let AssemblerPredicate = !if(P.HasExt, HasSDWA, DisableInst);
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let AsmVariantName = !if(P.HasExt, AMDGPUAsmVariants.SDWA,
|
|
AMDGPUAsmVariants.Disable);
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let DecoderNamespace = "SDWA";
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|
|
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VOPProfile Pfl = P;
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}
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|
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class VOP_SDWA_Real <VOP_SDWA_Pseudo ps> :
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InstSI <ps.OutOperandList, ps.InOperandList, ps.Mnemonic # ps.AsmOperands, []>,
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SIMCInstr <ps.PseudoInstr, SIEncodingFamily.SDWA> {
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let isPseudo = 0;
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let isCodeGenOnly = 0;
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|
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let Defs = ps.Defs;
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let Uses = ps.Uses;
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let SchedRW = ps.SchedRW;
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let hasSideEffects = ps.hasSideEffects;
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|
|
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let Constraints = ps.Constraints;
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|
let DisableEncoding = ps.DisableEncoding;
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|
|
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// Copy relevant pseudo op flags
|
|
let SubtargetPredicate = ps.SubtargetPredicate;
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let AssemblerPredicate = ps.AssemblerPredicate;
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let AsmMatchConverter = ps.AsmMatchConverter;
|
|
let AsmVariantName = ps.AsmVariantName;
|
|
let UseNamedOperandTable = ps.UseNamedOperandTable;
|
|
let DecoderNamespace = ps.DecoderNamespace;
|
|
let Constraints = ps.Constraints;
|
|
let DisableEncoding = ps.DisableEncoding;
|
|
let TSFlags = ps.TSFlags;
|
|
}
|
|
|
|
class VOP_SDWA9_Real <VOP_SDWA_Pseudo ps> :
|
|
InstSI <ps.OutOperandList, ps.InOperandList, ps.Mnemonic # ps.AsmOperands9, []>,
|
|
SIMCInstr <ps.PseudoInstr, SIEncodingFamily.SDWA9> {
|
|
|
|
let isPseudo = 0;
|
|
let isCodeGenOnly = 0;
|
|
|
|
let Defs = ps.Defs;
|
|
let Uses = ps.Uses;
|
|
let SchedRW = ps.SchedRW;
|
|
let hasSideEffects = ps.hasSideEffects;
|
|
|
|
let Constraints = ps.Constraints;
|
|
let DisableEncoding = ps.DisableEncoding;
|
|
|
|
let SubtargetPredicate = !if(ps.Pfl.HasSDWA9, HasSDWA9, DisableInst);
|
|
let AssemblerPredicate = !if(ps.Pfl.HasSDWA9, HasSDWA9, DisableInst);
|
|
let AsmVariantName = !if(ps.Pfl.HasSDWA9, AMDGPUAsmVariants.SDWA9,
|
|
AMDGPUAsmVariants.Disable);
|
|
let DecoderNamespace = "SDWA9";
|
|
|
|
// Copy relevant pseudo op flags
|
|
let AsmMatchConverter = ps.AsmMatchConverter;
|
|
let UseNamedOperandTable = ps.UseNamedOperandTable;
|
|
let Constraints = ps.Constraints;
|
|
let DisableEncoding = ps.DisableEncoding;
|
|
let TSFlags = ps.TSFlags;
|
|
}
|
|
|
|
class VOP_DPPe<VOPProfile P> : Enc64 {
|
|
bits<2> src0_modifiers;
|
|
bits<8> src0;
|
|
bits<2> src1_modifiers;
|
|
bits<9> dpp_ctrl;
|
|
bits<1> bound_ctrl;
|
|
bits<4> bank_mask;
|
|
bits<4> row_mask;
|
|
|
|
let Inst{39-32} = !if(P.HasSrc0, src0{7-0}, 0);
|
|
let Inst{48-40} = dpp_ctrl;
|
|
let Inst{51} = bound_ctrl;
|
|
let Inst{52} = !if(P.HasSrc0Mods, src0_modifiers{0}, 0); // src0_neg
|
|
let Inst{53} = !if(P.HasSrc0Mods, src0_modifiers{1}, 0); // src0_abs
|
|
let Inst{54} = !if(P.HasSrc1Mods, src1_modifiers{0}, 0); // src1_neg
|
|
let Inst{55} = !if(P.HasSrc1Mods, src1_modifiers{1}, 0); // src1_abs
|
|
let Inst{59-56} = bank_mask;
|
|
let Inst{63-60} = row_mask;
|
|
}
|
|
|
|
class VOP_DPP <string OpName, VOPProfile P> :
|
|
InstSI <P.OutsDPP, P.InsDPP, OpName#P.AsmDPP, []>,
|
|
VOP_DPPe<P> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let UseNamedOperandTable = 1;
|
|
|
|
let VALU = 1;
|
|
let DPP = 1;
|
|
let Size = 8;
|
|
|
|
let AsmMatchConverter = !if(!eq(P.HasModifiers,1), "cvtDPP", "");
|
|
let SubtargetPredicate = HasDPP;
|
|
let AssemblerPredicate = !if(P.HasExt, HasDPP, DisableInst);
|
|
let AsmVariantName = !if(P.HasExt, AMDGPUAsmVariants.DPP,
|
|
AMDGPUAsmVariants.Disable);
|
|
let Constraints = !if(P.NumSrcArgs, "$old = $vdst", "");
|
|
let DisableEncoding = !if(P.NumSrcArgs, "$old", "");
|
|
let DecoderNamespace = "DPP";
|
|
}
|
|
|
|
include "VOPCInstructions.td"
|
|
include "VOP1Instructions.td"
|
|
include "VOP2Instructions.td"
|
|
include "VOP3Instructions.td"
|
|
include "VOP3PInstructions.td"
|