| //===- X86LegalizerInfo.cpp --------------------------------------*- C++ -*-==// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// This file implements the targeting of the Machinelegalizer class for X86. |
| /// \todo This should be generated by TableGen. |
| //===----------------------------------------------------------------------===// |
| |
| #include "X86LegalizerInfo.h" |
| #include "X86Subtarget.h" |
| #include "X86TargetMachine.h" |
| #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h" |
| #include "llvm/CodeGen/TargetOpcodes.h" |
| #include "llvm/CodeGen/ValueTypes.h" |
| #include "llvm/IR/DerivedTypes.h" |
| #include "llvm/IR/Type.h" |
| |
| using namespace llvm; |
| using namespace TargetOpcode; |
| using namespace LegalizeActions; |
| |
| /// FIXME: The following static functions are SizeChangeStrategy functions |
| /// that are meant to temporarily mimic the behaviour of the old legalization |
| /// based on doubling/halving non-legal types as closely as possible. This is |
| /// not entirly possible as only legalizing the types that are exactly a power |
| /// of 2 times the size of the legal types would require specifying all those |
| /// sizes explicitly. |
| /// In practice, not specifying those isn't a problem, and the below functions |
| /// should disappear quickly as we add support for legalizing non-power-of-2 |
| /// sized types further. |
| static void addAndInterleaveWithUnsupported( |
| LegacyLegalizerInfo::SizeAndActionsVec &result, |
| const LegacyLegalizerInfo::SizeAndActionsVec &v) { |
| for (unsigned i = 0; i < v.size(); ++i) { |
| result.push_back(v[i]); |
| if (i + 1 < v[i].first && i + 1 < v.size() && |
| v[i + 1].first != v[i].first + 1) |
| result.push_back({v[i].first + 1, LegacyLegalizeActions::Unsupported}); |
| } |
| } |
| |
| static LegacyLegalizerInfo::SizeAndActionsVec |
| widen_1(const LegacyLegalizerInfo::SizeAndActionsVec &v) { |
| assert(v.size() >= 1); |
| assert(v[0].first > 1); |
| LegacyLegalizerInfo::SizeAndActionsVec result = { |
| {1, LegacyLegalizeActions::WidenScalar}, |
| {2, LegacyLegalizeActions::Unsupported}}; |
| addAndInterleaveWithUnsupported(result, v); |
| auto Largest = result.back().first; |
| result.push_back({Largest + 1, LegacyLegalizeActions::Unsupported}); |
| return result; |
| } |
| |
| X86LegalizerInfo::X86LegalizerInfo(const X86Subtarget &STI, |
| const X86TargetMachine &TM) |
| : Subtarget(STI), TM(TM) { |
| |
| setLegalizerInfo32bit(); |
| setLegalizerInfo64bit(); |
| setLegalizerInfoSSE1(); |
| setLegalizerInfoSSE2(); |
| setLegalizerInfoSSE41(); |
| setLegalizerInfoAVX(); |
| setLegalizerInfoAVX2(); |
| setLegalizerInfoAVX512(); |
| setLegalizerInfoAVX512DQ(); |
| setLegalizerInfoAVX512BW(); |
| |
| getActionDefinitionsBuilder(G_INTRINSIC_ROUNDEVEN) |
| .scalarize(0) |
| .minScalar(0, LLT::scalar(32)) |
| .libcall(); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| LegacyInfo.setLegalizeScalarToDifferentSizeStrategy(G_PHI, 0, widen_1); |
| for (unsigned BinOp : {G_SUB, G_MUL, G_AND, G_OR, G_XOR}) |
| LegacyInfo.setLegalizeScalarToDifferentSizeStrategy(BinOp, 0, widen_1); |
| for (unsigned MemOp : {G_LOAD, G_STORE}) |
| LegacyInfo.setLegalizeScalarToDifferentSizeStrategy( |
| MemOp, 0, LegacyLegalizerInfo::narrowToSmallerAndWidenToSmallest); |
| LegacyInfo.setLegalizeScalarToDifferentSizeStrategy( |
| G_PTR_ADD, 1, |
| LegacyLegalizerInfo::widenToLargerTypesUnsupportedOtherwise); |
| LegacyInfo.setLegalizeScalarToDifferentSizeStrategy( |
| G_CONSTANT, 0, |
| LegacyLegalizerInfo::widenToLargerTypesAndNarrowToLargest); |
| |
| getActionDefinitionsBuilder({G_MEMCPY, G_MEMMOVE, G_MEMSET}).libcall(); |
| |
| LegacyInfo.computeTables(); |
| verify(*STI.getInstrInfo()); |
| } |
| |
| bool X86LegalizerInfo::legalizeIntrinsic(LegalizerHelper &Helper, |
| MachineInstr &MI) const { |
| return true; |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfo32bit() { |
| |
| const LLT p0 = LLT::pointer(0, TM.getPointerSizeInBits(0)); |
| const LLT s1 = LLT::scalar(1); |
| const LLT s8 = LLT::scalar(8); |
| const LLT s16 = LLT::scalar(16); |
| const LLT s32 = LLT::scalar(32); |
| const LLT s64 = LLT::scalar(64); |
| const LLT s128 = LLT::scalar(128); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| for (auto Ty : {p0, s1, s8, s16, s32}) |
| LegacyInfo.setAction({G_IMPLICIT_DEF, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (auto Ty : {s8, s16, s32, p0}) |
| LegacyInfo.setAction({G_PHI, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (unsigned BinOp : {G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR}) |
| for (auto Ty : {s8, s16, s32}) |
| LegacyInfo.setAction({BinOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (unsigned Op : {G_UADDE}) { |
| LegacyInfo.setAction({Op, s32}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({Op, 1, s1}, LegacyLegalizeActions::Legal); |
| } |
| |
| for (unsigned MemOp : {G_LOAD, G_STORE}) { |
| for (auto Ty : {s8, s16, s32, p0}) |
| LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| // And everything's fine in addrspace 0. |
| LegacyInfo.setAction({MemOp, 1, p0}, LegacyLegalizeActions::Legal); |
| } |
| |
| // Pointer-handling |
| LegacyInfo.setAction({G_FRAME_INDEX, p0}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_GLOBAL_VALUE, p0}, LegacyLegalizeActions::Legal); |
| |
| LegacyInfo.setAction({G_PTR_ADD, p0}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_PTR_ADD, 1, s32}, LegacyLegalizeActions::Legal); |
| |
| if (!Subtarget.is64Bit()) { |
| getActionDefinitionsBuilder(G_PTRTOINT) |
| .legalForCartesianProduct({s1, s8, s16, s32}, {p0}) |
| .maxScalar(0, s32) |
| .widenScalarToNextPow2(0, /*Min*/ 8); |
| getActionDefinitionsBuilder(G_INTTOPTR).legalFor({{p0, s32}}); |
| |
| // Shifts and SDIV |
| getActionDefinitionsBuilder( |
| {G_SDIV, G_SREM, G_UDIV, G_UREM}) |
| .legalFor({s8, s16, s32}) |
| .clampScalar(0, s8, s32); |
| |
| getActionDefinitionsBuilder( |
| {G_SHL, G_LSHR, G_ASHR}) |
| .legalFor({{s8, s8}, {s16, s8}, {s32, s8}}) |
| .clampScalar(0, s8, s32) |
| .clampScalar(1, s8, s8); |
| |
| // Comparison |
| getActionDefinitionsBuilder(G_ICMP) |
| .legalForCartesianProduct({s8}, {s8, s16, s32, p0}) |
| .clampScalar(0, s8, s8); |
| } |
| |
| // Control-flow |
| LegacyInfo.setAction({G_BRCOND, s1}, LegacyLegalizeActions::Legal); |
| |
| // Constants |
| for (auto Ty : {s8, s16, s32, p0}) |
| LegacyInfo.setAction({TargetOpcode::G_CONSTANT, Ty}, |
| LegacyLegalizeActions::Legal); |
| |
| // Extensions |
| for (auto Ty : {s8, s16, s32}) { |
| LegacyInfo.setAction({G_ZEXT, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_SEXT, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_ANYEXT, Ty}, LegacyLegalizeActions::Legal); |
| } |
| LegacyInfo.setAction({G_ANYEXT, s128}, LegacyLegalizeActions::Legal); |
| getActionDefinitionsBuilder(G_SEXT_INREG).lower(); |
| |
| // Merge/Unmerge |
| for (const auto &Ty : {s16, s32, s64}) { |
| LegacyInfo.setAction({G_MERGE_VALUES, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| } |
| for (const auto &Ty : {s8, s16, s32}) { |
| LegacyInfo.setAction({G_MERGE_VALUES, 1, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal); |
| } |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfo64bit() { |
| |
| if (!Subtarget.is64Bit()) |
| return; |
| |
| const LLT p0 = LLT::pointer(0, TM.getPointerSizeInBits(0)); |
| const LLT s1 = LLT::scalar(1); |
| const LLT s8 = LLT::scalar(8); |
| const LLT s16 = LLT::scalar(16); |
| const LLT s32 = LLT::scalar(32); |
| const LLT s64 = LLT::scalar(64); |
| const LLT s128 = LLT::scalar(128); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| LegacyInfo.setAction({G_IMPLICIT_DEF, s64}, LegacyLegalizeActions::Legal); |
| // Need to have that, as tryFoldImplicitDef will create this pattern: |
| // s128 = EXTEND (G_IMPLICIT_DEF s32/s64) -> s128 = G_IMPLICIT_DEF |
| LegacyInfo.setAction({G_IMPLICIT_DEF, s128}, LegacyLegalizeActions::Legal); |
| |
| LegacyInfo.setAction({G_PHI, s64}, LegacyLegalizeActions::Legal); |
| |
| for (unsigned BinOp : {G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR}) |
| LegacyInfo.setAction({BinOp, s64}, LegacyLegalizeActions::Legal); |
| |
| for (unsigned MemOp : {G_LOAD, G_STORE}) |
| LegacyInfo.setAction({MemOp, s64}, LegacyLegalizeActions::Legal); |
| |
| // Pointer-handling |
| LegacyInfo.setAction({G_PTR_ADD, 1, s64}, LegacyLegalizeActions::Legal); |
| getActionDefinitionsBuilder(G_PTRTOINT) |
| .legalForCartesianProduct({s1, s8, s16, s32, s64}, {p0}) |
| .maxScalar(0, s64) |
| .widenScalarToNextPow2(0, /*Min*/ 8); |
| getActionDefinitionsBuilder(G_INTTOPTR).legalFor({{p0, s64}}); |
| |
| // Constants |
| LegacyInfo.setAction({TargetOpcode::G_CONSTANT, s64}, |
| LegacyLegalizeActions::Legal); |
| |
| // Extensions |
| for (unsigned extOp : {G_ZEXT, G_SEXT, G_ANYEXT}) { |
| LegacyInfo.setAction({extOp, s64}, LegacyLegalizeActions::Legal); |
| } |
| |
| getActionDefinitionsBuilder(G_SITOFP) |
| .legalForCartesianProduct({s32, s64}) |
| .clampScalar(1, s32, s64) |
| .widenScalarToNextPow2(1) |
| .clampScalar(0, s32, s64) |
| .widenScalarToNextPow2(0); |
| |
| getActionDefinitionsBuilder(G_FPTOSI) |
| .legalForCartesianProduct({s32, s64}) |
| .clampScalar(1, s32, s64) |
| .widenScalarToNextPow2(0) |
| .clampScalar(0, s32, s64) |
| .widenScalarToNextPow2(1); |
| |
| // Comparison |
| getActionDefinitionsBuilder(G_ICMP) |
| .legalForCartesianProduct({s8}, {s8, s16, s32, s64, p0}) |
| .clampScalar(0, s8, s8); |
| |
| getActionDefinitionsBuilder(G_FCMP) |
| .legalForCartesianProduct({s8}, {s32, s64}) |
| .clampScalar(0, s8, s8) |
| .clampScalar(1, s32, s64) |
| .widenScalarToNextPow2(1); |
| |
| // Divisions |
| getActionDefinitionsBuilder( |
| {G_SDIV, G_SREM, G_UDIV, G_UREM}) |
| .legalFor({s8, s16, s32, s64}) |
| .clampScalar(0, s8, s64); |
| |
| // Shifts |
| getActionDefinitionsBuilder( |
| {G_SHL, G_LSHR, G_ASHR}) |
| .legalFor({{s8, s8}, {s16, s8}, {s32, s8}, {s64, s8}}) |
| .clampScalar(0, s8, s64) |
| .clampScalar(1, s8, s8); |
| |
| // Merge/Unmerge |
| LegacyInfo.setAction({G_MERGE_VALUES, s128}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, 1, s128}, |
| LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_MERGE_VALUES, 1, s128}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, s128}, LegacyLegalizeActions::Legal); |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoSSE1() { |
| if (!Subtarget.hasSSE1()) |
| return; |
| |
| const LLT s32 = LLT::scalar(32); |
| const LLT s64 = LLT::scalar(64); |
| const LLT v4s32 = LLT::fixed_vector(4, 32); |
| const LLT v2s64 = LLT::fixed_vector(2, 64); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| for (unsigned BinOp : {G_FADD, G_FSUB, G_FMUL, G_FDIV}) |
| for (auto Ty : {s32, v4s32}) |
| LegacyInfo.setAction({BinOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (unsigned MemOp : {G_LOAD, G_STORE}) |
| for (auto Ty : {v4s32, v2s64}) |
| LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| // Constants |
| LegacyInfo.setAction({TargetOpcode::G_FCONSTANT, s32}, |
| LegacyLegalizeActions::Legal); |
| |
| // Merge/Unmerge |
| for (const auto &Ty : {v4s32, v2s64}) { |
| LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| } |
| LegacyInfo.setAction({G_MERGE_VALUES, 1, s64}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, s64}, LegacyLegalizeActions::Legal); |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoSSE2() { |
| if (!Subtarget.hasSSE2()) |
| return; |
| |
| const LLT s32 = LLT::scalar(32); |
| const LLT s64 = LLT::scalar(64); |
| const LLT v16s8 = LLT::fixed_vector(16, 8); |
| const LLT v8s16 = LLT::fixed_vector(8, 16); |
| const LLT v4s32 = LLT::fixed_vector(4, 32); |
| const LLT v2s64 = LLT::fixed_vector(2, 64); |
| |
| const LLT v32s8 = LLT::fixed_vector(32, 8); |
| const LLT v16s16 = LLT::fixed_vector(16, 16); |
| const LLT v8s32 = LLT::fixed_vector(8, 32); |
| const LLT v4s64 = LLT::fixed_vector(4, 64); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| for (unsigned BinOp : {G_FADD, G_FSUB, G_FMUL, G_FDIV}) |
| for (auto Ty : {s64, v2s64}) |
| LegacyInfo.setAction({BinOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (unsigned BinOp : {G_ADD, G_SUB}) |
| for (auto Ty : {v16s8, v8s16, v4s32, v2s64}) |
| LegacyInfo.setAction({BinOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| LegacyInfo.setAction({G_MUL, v8s16}, LegacyLegalizeActions::Legal); |
| |
| LegacyInfo.setAction({G_FPEXT, s64}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_FPEXT, 1, s32}, LegacyLegalizeActions::Legal); |
| |
| LegacyInfo.setAction({G_FPTRUNC, s32}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_FPTRUNC, 1, s64}, LegacyLegalizeActions::Legal); |
| |
| // Constants |
| LegacyInfo.setAction({TargetOpcode::G_FCONSTANT, s64}, |
| LegacyLegalizeActions::Legal); |
| |
| // Merge/Unmerge |
| for (const auto &Ty : |
| {v16s8, v32s8, v8s16, v16s16, v4s32, v8s32, v2s64, v4s64}) { |
| LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| } |
| for (const auto &Ty : {v16s8, v8s16, v4s32, v2s64}) { |
| LegacyInfo.setAction({G_CONCAT_VECTORS, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal); |
| } |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoSSE41() { |
| if (!Subtarget.hasSSE41()) |
| return; |
| |
| const LLT v4s32 = LLT::fixed_vector(4, 32); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| LegacyInfo.setAction({G_MUL, v4s32}, LegacyLegalizeActions::Legal); |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoAVX() { |
| if (!Subtarget.hasAVX()) |
| return; |
| |
| const LLT v16s8 = LLT::fixed_vector(16, 8); |
| const LLT v8s16 = LLT::fixed_vector(8, 16); |
| const LLT v4s32 = LLT::fixed_vector(4, 32); |
| const LLT v2s64 = LLT::fixed_vector(2, 64); |
| |
| const LLT v32s8 = LLT::fixed_vector(32, 8); |
| const LLT v64s8 = LLT::fixed_vector(64, 8); |
| const LLT v16s16 = LLT::fixed_vector(16, 16); |
| const LLT v32s16 = LLT::fixed_vector(32, 16); |
| const LLT v8s32 = LLT::fixed_vector(8, 32); |
| const LLT v16s32 = LLT::fixed_vector(16, 32); |
| const LLT v4s64 = LLT::fixed_vector(4, 64); |
| const LLT v8s64 = LLT::fixed_vector(8, 64); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| for (unsigned MemOp : {G_LOAD, G_STORE}) |
| for (auto Ty : {v8s32, v4s64}) |
| LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (auto Ty : {v32s8, v16s16, v8s32, v4s64}) { |
| LegacyInfo.setAction({G_INSERT, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_EXTRACT, 1, Ty}, LegacyLegalizeActions::Legal); |
| } |
| for (auto Ty : {v16s8, v8s16, v4s32, v2s64}) { |
| LegacyInfo.setAction({G_INSERT, 1, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_EXTRACT, Ty}, LegacyLegalizeActions::Legal); |
| } |
| // Merge/Unmerge |
| for (const auto &Ty : |
| {v32s8, v64s8, v16s16, v32s16, v8s32, v16s32, v4s64, v8s64}) { |
| LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| } |
| for (const auto &Ty : |
| {v16s8, v32s8, v8s16, v16s16, v4s32, v8s32, v2s64, v4s64}) { |
| LegacyInfo.setAction({G_CONCAT_VECTORS, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal); |
| } |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoAVX2() { |
| if (!Subtarget.hasAVX2()) |
| return; |
| |
| const LLT v32s8 = LLT::fixed_vector(32, 8); |
| const LLT v16s16 = LLT::fixed_vector(16, 16); |
| const LLT v8s32 = LLT::fixed_vector(8, 32); |
| const LLT v4s64 = LLT::fixed_vector(4, 64); |
| |
| const LLT v64s8 = LLT::fixed_vector(64, 8); |
| const LLT v32s16 = LLT::fixed_vector(32, 16); |
| const LLT v16s32 = LLT::fixed_vector(16, 32); |
| const LLT v8s64 = LLT::fixed_vector(8, 64); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| for (unsigned BinOp : {G_ADD, G_SUB}) |
| for (auto Ty : {v32s8, v16s16, v8s32, v4s64}) |
| LegacyInfo.setAction({BinOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (auto Ty : {v16s16, v8s32}) |
| LegacyInfo.setAction({G_MUL, Ty}, LegacyLegalizeActions::Legal); |
| |
| // Merge/Unmerge |
| for (const auto &Ty : {v64s8, v32s16, v16s32, v8s64}) { |
| LegacyInfo.setAction({G_CONCAT_VECTORS, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| } |
| for (const auto &Ty : {v32s8, v16s16, v8s32, v4s64}) { |
| LegacyInfo.setAction({G_CONCAT_VECTORS, 1, Ty}, |
| LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_UNMERGE_VALUES, Ty}, LegacyLegalizeActions::Legal); |
| } |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoAVX512() { |
| if (!Subtarget.hasAVX512()) |
| return; |
| |
| const LLT v16s8 = LLT::fixed_vector(16, 8); |
| const LLT v8s16 = LLT::fixed_vector(8, 16); |
| const LLT v4s32 = LLT::fixed_vector(4, 32); |
| const LLT v2s64 = LLT::fixed_vector(2, 64); |
| |
| const LLT v32s8 = LLT::fixed_vector(32, 8); |
| const LLT v16s16 = LLT::fixed_vector(16, 16); |
| const LLT v8s32 = LLT::fixed_vector(8, 32); |
| const LLT v4s64 = LLT::fixed_vector(4, 64); |
| |
| const LLT v64s8 = LLT::fixed_vector(64, 8); |
| const LLT v32s16 = LLT::fixed_vector(32, 16); |
| const LLT v16s32 = LLT::fixed_vector(16, 32); |
| const LLT v8s64 = LLT::fixed_vector(8, 64); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| for (unsigned BinOp : {G_ADD, G_SUB}) |
| for (auto Ty : {v16s32, v8s64}) |
| LegacyInfo.setAction({BinOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| LegacyInfo.setAction({G_MUL, v16s32}, LegacyLegalizeActions::Legal); |
| |
| for (unsigned MemOp : {G_LOAD, G_STORE}) |
| for (auto Ty : {v16s32, v8s64}) |
| LegacyInfo.setAction({MemOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| for (auto Ty : {v64s8, v32s16, v16s32, v8s64}) { |
| LegacyInfo.setAction({G_INSERT, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_EXTRACT, 1, Ty}, LegacyLegalizeActions::Legal); |
| } |
| for (auto Ty : {v32s8, v16s16, v8s32, v4s64, v16s8, v8s16, v4s32, v2s64}) { |
| LegacyInfo.setAction({G_INSERT, 1, Ty}, LegacyLegalizeActions::Legal); |
| LegacyInfo.setAction({G_EXTRACT, Ty}, LegacyLegalizeActions::Legal); |
| } |
| |
| /************ VLX *******************/ |
| if (!Subtarget.hasVLX()) |
| return; |
| |
| for (auto Ty : {v4s32, v8s32}) |
| LegacyInfo.setAction({G_MUL, Ty}, LegacyLegalizeActions::Legal); |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoAVX512DQ() { |
| if (!(Subtarget.hasAVX512() && Subtarget.hasDQI())) |
| return; |
| |
| const LLT v8s64 = LLT::fixed_vector(8, 64); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| LegacyInfo.setAction({G_MUL, v8s64}, LegacyLegalizeActions::Legal); |
| |
| /************ VLX *******************/ |
| if (!Subtarget.hasVLX()) |
| return; |
| |
| const LLT v2s64 = LLT::fixed_vector(2, 64); |
| const LLT v4s64 = LLT::fixed_vector(4, 64); |
| |
| for (auto Ty : {v2s64, v4s64}) |
| LegacyInfo.setAction({G_MUL, Ty}, LegacyLegalizeActions::Legal); |
| } |
| |
| void X86LegalizerInfo::setLegalizerInfoAVX512BW() { |
| if (!(Subtarget.hasAVX512() && Subtarget.hasBWI())) |
| return; |
| |
| const LLT v64s8 = LLT::fixed_vector(64, 8); |
| const LLT v32s16 = LLT::fixed_vector(32, 16); |
| |
| auto &LegacyInfo = getLegacyLegalizerInfo(); |
| |
| for (unsigned BinOp : {G_ADD, G_SUB}) |
| for (auto Ty : {v64s8, v32s16}) |
| LegacyInfo.setAction({BinOp, Ty}, LegacyLegalizeActions::Legal); |
| |
| LegacyInfo.setAction({G_MUL, v32s16}, LegacyLegalizeActions::Legal); |
| |
| /************ VLX *******************/ |
| if (!Subtarget.hasVLX()) |
| return; |
| |
| const LLT v8s16 = LLT::fixed_vector(8, 16); |
| const LLT v16s16 = LLT::fixed_vector(16, 16); |
| |
| for (auto Ty : {v8s16, v16s16}) |
| LegacyInfo.setAction({G_MUL, Ty}, LegacyLegalizeActions::Legal); |
| } |
