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llvm-project/llvm/lib/Target/X86/X86InstrFMA3Info.cpp

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