2016-08-12 06:07:33 +08:00
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//===-- X86InstrFMA3Info.cpp - X86 FMA3 Instruction Information -----------===//
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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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//
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// This file contains the implementation of the classes providing information
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// about existing X86 FMA3 opcodes, classifying and grouping them.
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//
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//===----------------------------------------------------------------------===//
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#include "X86InstrFMA3Info.h"
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#include "X86InstrInfo.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/Threading.h"
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2017-02-03 06:55:55 +08:00
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#include <cassert>
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#include <cstdint>
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2016-10-19 03:39:31 +08:00
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using namespace llvm;
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2016-08-12 06:07:33 +08:00
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/// This flag is used in the method llvm::call_once() used below to make the
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/// initialization of the map 'OpcodeToGroup' thread safe.
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2017-02-06 05:13:06 +08:00
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static llvm::once_flag InitGroupsOnceFlag;
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2016-08-12 06:07:33 +08:00
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static ManagedStatic<X86InstrFMA3Info> X86InstrFMA3InfoObj;
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X86InstrFMA3Info *X86InstrFMA3Info::getX86InstrFMA3Info() {
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return &*X86InstrFMA3InfoObj;
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}
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void X86InstrFMA3Info::initRMGroup(const uint16_t *RegOpcodes,
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const uint16_t *MemOpcodes, unsigned Attr) {
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// Create a new instance of this class that would hold a group of FMA opcodes.
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X86InstrFMA3Group *G = new X86InstrFMA3Group(RegOpcodes, MemOpcodes, Attr);
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// Add the references from indvidual opcodes to the group holding them.
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assert((!OpcodeToGroup[RegOpcodes[0]] && !OpcodeToGroup[RegOpcodes[1]] &&
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!OpcodeToGroup[RegOpcodes[2]] && !OpcodeToGroup[MemOpcodes[0]] &&
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!OpcodeToGroup[MemOpcodes[1]] && !OpcodeToGroup[MemOpcodes[2]]) &&
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"Duplication or rewrite of elements in OpcodeToGroup.");
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OpcodeToGroup[RegOpcodes[0]] = G;
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OpcodeToGroup[RegOpcodes[1]] = G;
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OpcodeToGroup[RegOpcodes[2]] = G;
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OpcodeToGroup[MemOpcodes[0]] = G;
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OpcodeToGroup[MemOpcodes[1]] = G;
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OpcodeToGroup[MemOpcodes[2]] = G;
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}
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void X86InstrFMA3Info::initRGroup(const uint16_t *RegOpcodes, unsigned Attr) {
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// Create a new instance of this class that would hold a group of FMA opcodes.
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X86InstrFMA3Group *G = new X86InstrFMA3Group(RegOpcodes, nullptr, Attr);
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// Add the references from indvidual opcodes to the group holding them.
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assert((!OpcodeToGroup[RegOpcodes[0]] && !OpcodeToGroup[RegOpcodes[1]] &&
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!OpcodeToGroup[RegOpcodes[2]]) &&
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"Duplication or rewrite of elements in OpcodeToGroup.");
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OpcodeToGroup[RegOpcodes[0]] = G;
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OpcodeToGroup[RegOpcodes[1]] = G;
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OpcodeToGroup[RegOpcodes[2]] = G;
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}
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void X86InstrFMA3Info::initMGroup(const uint16_t *MemOpcodes, unsigned Attr) {
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// Create a new instance of this class that would hold a group of FMA opcodes.
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X86InstrFMA3Group *G = new X86InstrFMA3Group(nullptr, MemOpcodes, Attr);
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// Add the references from indvidual opcodes to the group holding them.
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assert((!OpcodeToGroup[MemOpcodes[0]] && !OpcodeToGroup[MemOpcodes[1]] &&
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!OpcodeToGroup[MemOpcodes[2]]) &&
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"Duplication or rewrite of elements in OpcodeToGroup.");
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OpcodeToGroup[MemOpcodes[0]] = G;
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OpcodeToGroup[MemOpcodes[1]] = G;
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OpcodeToGroup[MemOpcodes[2]] = G;
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}
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#define FMA3RM(R132, R213, R231, M132, M213, M231) \
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static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \
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static const uint16_t Mem##R132[3] = {X86::M132, X86::M213, X86::M231}; \
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initRMGroup(Reg##R132, Mem##R132);
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#define FMA3RMA(R132, R213, R231, M132, M213, M231, Attrs) \
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static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \
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static const uint16_t Mem##R132[3] = {X86::M132, X86::M213, X86::M231}; \
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initRMGroup(Reg##R132, Mem##R132, (Attrs));
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#define FMA3R(R132, R213, R231) \
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static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \
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initRGroup(Reg##R132);
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#define FMA3RA(R132, R213, R231, Attrs) \
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static const uint16_t Reg##R132[3] = {X86::R132, X86::R213, X86::R231}; \
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initRGroup(Reg##R132, (Attrs));
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#define FMA3M(M132, M213, M231) \
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static const uint16_t Mem##M132[3] = {X86::M132, X86::M213, X86::M231}; \
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initMGroup(Mem##M132);
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#define FMA3MA(M132, M213, M231, Attrs) \
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static const uint16_t Mem##M132[3] = {X86::M132, X86::M213, X86::M231}; \
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initMGroup(Mem##M132, (Attrs));
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#define FMA3_AVX2_VECTOR_GROUP(Name) \
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FMA3RM(Name##132PSr, Name##213PSr, Name##231PSr, \
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Name##132PSm, Name##213PSm, Name##231PSm); \
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FMA3RM(Name##132PDr, Name##213PDr, Name##231PDr, \
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Name##132PDm, Name##213PDm, Name##231PDm); \
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FMA3RM(Name##132PSYr, Name##213PSYr, Name##231PSYr, \
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Name##132PSYm, Name##213PSYm, Name##231PSYm); \
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FMA3RM(Name##132PDYr, Name##213PDYr, Name##231PDYr, \
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Name##132PDYm, Name##213PDYm, Name##231PDYm);
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#define FMA3_AVX2_SCALAR_GROUP(Name) \
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FMA3RM(Name##132SSr, Name##213SSr, Name##231SSr, \
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Name##132SSm, Name##213SSm, Name##231SSm); \
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FMA3RM(Name##132SDr, Name##213SDr, Name##231SDr, \
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Name##132SDm, Name##213SDm, Name##231SDm); \
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FMA3RMA(Name##132SSr_Int, Name##213SSr_Int, Name##231SSr_Int, \
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Name##132SSm_Int, Name##213SSm_Int, Name##231SSm_Int, \
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X86InstrFMA3Group::X86FMA3Intrinsic); \
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FMA3RMA(Name##132SDr_Int, Name##213SDr_Int, Name##231SDr_Int, \
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Name##132SDm_Int, Name##213SDm_Int, Name##231SDm_Int, \
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X86InstrFMA3Group::X86FMA3Intrinsic);
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#define FMA3_AVX2_FULL_GROUP(Name) \
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FMA3_AVX2_VECTOR_GROUP(Name); \
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FMA3_AVX2_SCALAR_GROUP(Name);
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#define FMA3_AVX512_VECTOR_GROUP(Name) \
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FMA3RM(Name##132PSZ128r, Name##213PSZ128r, Name##231PSZ128r, \
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Name##132PSZ128m, Name##213PSZ128m, Name##231PSZ128m); \
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FMA3RM(Name##132PDZ128r, Name##213PDZ128r, Name##231PDZ128r, \
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Name##132PDZ128m, Name##213PDZ128m, Name##231PDZ128m); \
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FMA3RM(Name##132PSZ256r, Name##213PSZ256r, Name##231PSZ256r, \
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Name##132PSZ256m, Name##213PSZ256m, Name##231PSZ256m); \
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FMA3RM(Name##132PDZ256r, Name##213PDZ256r, Name##231PDZ256r, \
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Name##132PDZ256m, Name##213PDZ256m, Name##231PDZ256m); \
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FMA3RM(Name##132PSZr, Name##213PSZr, Name##231PSZr, \
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Name##132PSZm, Name##213PSZm, Name##231PSZm); \
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FMA3RM(Name##132PDZr, Name##213PDZr, Name##231PDZr, \
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Name##132PDZm, Name##213PDZm, Name##231PDZm); \
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FMA3RMA(Name##132PSZ128rk, Name##213PSZ128rk, Name##231PSZ128rk, \
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Name##132PSZ128mk, Name##213PSZ128mk, Name##231PSZ128mk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132PDZ128rk, Name##213PDZ128rk, Name##231PDZ128rk, \
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Name##132PDZ128mk, Name##213PDZ128mk, Name##231PDZ128mk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132PSZ256rk, Name##213PSZ256rk, Name##231PSZ256rk, \
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Name##132PSZ256mk, Name##213PSZ256mk, Name##231PSZ256mk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132PDZ256rk, Name##213PDZ256rk, Name##231PDZ256rk, \
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Name##132PDZ256mk, Name##213PDZ256mk, Name##231PDZ256mk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132PSZrk, Name##213PSZrk, Name##231PSZrk, \
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Name##132PSZmk, Name##213PSZmk, Name##231PSZmk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132PDZrk, Name##213PDZrk, Name##231PDZrk, \
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Name##132PDZmk, Name##213PDZmk, Name##231PDZmk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132PSZ128rkz, Name##213PSZ128rkz, Name##231PSZ128rkz, \
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Name##132PSZ128mkz, Name##213PSZ128mkz, Name##231PSZ128mkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RMA(Name##132PDZ128rkz, Name##213PDZ128rkz, Name##231PDZ128rkz, \
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Name##132PDZ128mkz, Name##213PDZ128mkz, Name##231PDZ128mkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RMA(Name##132PSZ256rkz, Name##213PSZ256rkz, Name##231PSZ256rkz, \
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Name##132PSZ256mkz, Name##213PSZ256mkz, Name##231PSZ256mkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RMA(Name##132PDZ256rkz, Name##213PDZ256rkz, Name##231PDZ256rkz, \
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Name##132PDZ256mkz, Name##213PDZ256mkz, Name##231PDZ256mkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RMA(Name##132PSZrkz, Name##213PSZrkz, Name##231PSZrkz, \
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Name##132PSZmkz, Name##213PSZmkz, Name##231PSZmkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RMA(Name##132PDZrkz, Name##213PDZrkz, Name##231PDZrkz, \
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Name##132PDZmkz, Name##213PDZmkz, Name##231PDZmkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3R(Name##132PSZrb, Name##213PSZrb, Name##231PSZrb); \
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FMA3R(Name##132PDZrb, Name##213PDZrb, Name##231PDZrb); \
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FMA3RA(Name##132PSZrbk, Name##213PSZrbk, Name##231PSZrbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RA(Name##132PDZrbk, Name##213PDZrbk, Name##231PDZrbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RA(Name##132PSZrbkz, Name##213PSZrbkz, Name##231PSZrbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RA(Name##132PDZrbkz, Name##213PDZrbkz, Name##231PDZrbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3M(Name##132PSZ128mb, Name##213PSZ128mb, Name##231PSZ128mb); \
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FMA3M(Name##132PDZ128mb, Name##213PDZ128mb, Name##231PDZ128mb); \
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FMA3M(Name##132PSZ256mb, Name##213PSZ256mb, Name##231PSZ256mb); \
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FMA3M(Name##132PDZ256mb, Name##213PDZ256mb, Name##231PDZ256mb); \
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FMA3M(Name##132PSZmb, Name##213PSZmb, Name##231PSZmb); \
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FMA3M(Name##132PDZmb, Name##213PDZmb, Name##231PDZmb); \
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FMA3MA(Name##132PSZ128mbk, Name##213PSZ128mbk, Name##231PSZ128mbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3MA(Name##132PDZ128mbk, Name##213PDZ128mbk, Name##231PDZ128mbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3MA(Name##132PSZ256mbk, Name##213PSZ256mbk, Name##231PSZ256mbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3MA(Name##132PDZ256mbk, Name##213PDZ256mbk, Name##231PDZ256mbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3MA(Name##132PSZmbk, Name##213PSZmbk, Name##231PSZmbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3MA(Name##132PDZmbk, Name##213PDZmbk, Name##231PDZmbk, \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3MA(Name##132PSZ128mbkz, Name##213PSZ128mbkz, Name##231PSZ128mbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3MA(Name##132PDZ128mbkz, Name##213PDZ128mbkz, Name##231PDZ128mbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3MA(Name##132PSZ256mbkz, Name##213PSZ256mbkz, Name##231PSZ256mbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3MA(Name##132PDZ256mbkz, Name##213PDZ256mbkz, Name##231PDZ256mbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3MA(Name##132PSZmbkz, Name##213PSZmbkz, Name##231PSZmbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3MA(Name##132PDZmbkz, Name##213PDZmbkz, Name##231PDZmbkz, \
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X86InstrFMA3Group::X86FMA3KZeroMasked);
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#define FMA3_AVX512_SCALAR_GROUP(Name) \
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FMA3RM(Name##132SSZr, Name##213SSZr, Name##231SSZr, \
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Name##132SSZm, Name##213SSZm, Name##231SSZm); \
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FMA3RM(Name##132SDZr, Name##213SDZr, Name##231SDZr, \
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Name##132SDZm, Name##213SDZm, Name##231SDZm); \
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FMA3RMA(Name##132SSZr_Int, Name##213SSZr_Int, Name##231SSZr_Int, \
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Name##132SSZm_Int, Name##213SSZm_Int, Name##231SSZm_Int, \
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X86InstrFMA3Group::X86FMA3Intrinsic); \
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FMA3RMA(Name##132SDZr_Int, Name##213SDZr_Int, Name##231SDZr_Int, \
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Name##132SDZm_Int, Name##213SDZm_Int, Name##231SDZm_Int, \
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X86InstrFMA3Group::X86FMA3Intrinsic); \
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FMA3RMA(Name##132SSZr_Intk, Name##213SSZr_Intk, Name##231SSZr_Intk, \
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Name##132SSZm_Intk, Name##213SSZm_Intk, Name##231SSZm_Intk, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132SDZr_Intk, Name##213SDZr_Intk, Name##231SDZr_Intk, \
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Name##132SDZm_Intk, Name##213SDZm_Intk, Name##231SDZm_Intk, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RMA(Name##132SSZr_Intkz, Name##213SSZr_Intkz, Name##231SSZr_Intkz, \
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Name##132SSZm_Intkz, Name##213SSZm_Intkz, Name##231SSZm_Intkz, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RMA(Name##132SDZr_Intkz, Name##213SDZr_Intkz, Name##231SDZr_Intkz, \
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Name##132SDZm_Intkz, Name##213SDZm_Intkz, Name##231SDZm_Intkz, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RA(Name##132SSZrb_Int, Name##213SSZrb_Int, Name##231SSZrb_Int, \
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X86InstrFMA3Group::X86FMA3Intrinsic); \
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FMA3RA(Name##132SDZrb_Int, Name##213SDZrb_Int, Name##231SDZrb_Int, \
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X86InstrFMA3Group::X86FMA3Intrinsic); \
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FMA3RA(Name##132SSZrb_Intk, Name##213SSZrb_Intk, Name##231SSZrb_Intk, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RA(Name##132SDZrb_Intk, Name##213SDZrb_Intk, Name##231SDZrb_Intk, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KMergeMasked); \
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FMA3RA(Name##132SSZrb_Intkz, Name##213SSZrb_Intkz, Name##231SSZrb_Intkz, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KZeroMasked); \
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FMA3RA(Name##132SDZrb_Intkz, Name##213SDZrb_Intkz, Name##231SDZrb_Intkz, \
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X86InstrFMA3Group::X86FMA3Intrinsic | \
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X86InstrFMA3Group::X86FMA3KZeroMasked);
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#define FMA3_AVX512_FULL_GROUP(Name) \
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FMA3_AVX512_VECTOR_GROUP(Name); \
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FMA3_AVX512_SCALAR_GROUP(Name);
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void X86InstrFMA3Info::initGroupsOnceImpl() {
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FMA3_AVX2_FULL_GROUP(VFMADD);
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FMA3_AVX2_FULL_GROUP(VFMSUB);
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FMA3_AVX2_FULL_GROUP(VFNMADD);
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FMA3_AVX2_FULL_GROUP(VFNMSUB);
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FMA3_AVX2_VECTOR_GROUP(VFMADDSUB);
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FMA3_AVX2_VECTOR_GROUP(VFMSUBADD);
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FMA3_AVX512_FULL_GROUP(VFMADD);
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FMA3_AVX512_FULL_GROUP(VFMSUB);
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FMA3_AVX512_FULL_GROUP(VFNMADD);
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FMA3_AVX512_FULL_GROUP(VFNMSUB);
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FMA3_AVX512_VECTOR_GROUP(VFMADDSUB);
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FMA3_AVX512_VECTOR_GROUP(VFMSUBADD);
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}
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void X86InstrFMA3Info::initGroupsOnce() {
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llvm::call_once(InitGroupsOnceFlag,
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[]() { getX86InstrFMA3Info()->initGroupsOnceImpl(); });
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}
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