94498950e6
1. Use `unsigned` for `KeyOp` and `DstOp` b/c `Opcode` is of type `unsigned`. 2. Align the comparator used in X86FoldTablesEmitter.cpp with the one in CodeGenTarget::ComputeInstrsByEnum.
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//===-- X86InstrFoldTables.h - X86 Instruction Folding Tables ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the interface to query the X86 memory folding tables.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_X86_X86INSTRFOLDTABLES_H
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#define LLVM_LIB_TARGET_X86_X86INSTRFOLDTABLES_H
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#include <cstdint>
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#include "llvm/Support/X86FoldTablesUtils.h"
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namespace llvm {
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// This struct is used for both the folding and unfold tables. They KeyOp
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// is used to determine the sorting order.
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struct X86MemoryFoldTableEntry {
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unsigned KeyOp;
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unsigned DstOp;
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uint16_t Flags;
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bool operator<(const X86MemoryFoldTableEntry &RHS) const {
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return KeyOp < RHS.KeyOp;
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}
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bool operator==(const X86MemoryFoldTableEntry &RHS) const {
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return KeyOp == RHS.KeyOp;
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}
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friend bool operator<(const X86MemoryFoldTableEntry &TE, unsigned Opcode) {
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return TE.KeyOp < Opcode;
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}
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};
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// Look up the memory folding table entry for folding a load and a store into
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// operand 0.
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const X86MemoryFoldTableEntry *lookupTwoAddrFoldTable(unsigned RegOp);
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// Look up the memory folding table entry for folding a load or store with
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// operand OpNum.
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const X86MemoryFoldTableEntry *lookupFoldTable(unsigned RegOp, unsigned OpNum);
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// Look up the memory unfolding table entry for this instruction.
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const X86MemoryFoldTableEntry *lookupUnfoldTable(unsigned MemOp);
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} // namespace llvm
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#endif
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