73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
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// This file is part of AsmJit project <https://asmjit.com>
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//
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// See asmjit.h or LICENSE.md for license and copyright information
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// SPDX-License-Identifier: Zlib
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#ifndef ASMJIT_ARM_A64INSTDB_H_INCLUDED
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#define ASMJIT_ARM_A64INSTDB_H_INCLUDED
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#include "../arm/a64globals.h"
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ASMJIT_BEGIN_SUB_NAMESPACE(a64)
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//! \addtogroup asmjit_a64
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//! \{
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//! Instruction database (AArch64).
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namespace InstDB {
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//! Instruction flags.
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enum InstFlags : uint32_t {
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//! The instruction provides conditional execution.
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kInstFlagCond = 0x00000001u,
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//! SIMD instruction that processes elements in pairs.
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kInstFlagPair = 0x00000002u,
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//! SIMD instruction that does widening (Long).
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kInstFlagLong = 0x00000004u,
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//! SIMD instruction that does narrowing (Narrow).
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kInstFlagNarrow = 0x00000008u,
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//! SIMD element access of half-words can only be used with v0..15.
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kInstFlagVH0_15 = 0x00000010u,
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//! Instruction may consecutive registers if the number of operands is greater than 2.
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kInstFlagConsecutive = 0x00000080u
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};
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//! Instruction information (AArch64).
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struct InstInfo {
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//! Instruction encoding type.
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uint32_t _encoding : 8;
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//! Index to data specific to each encoding type.
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uint32_t _encodingDataIndex : 8;
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uint32_t _reserved : 16;
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uint16_t _rwInfoIndex;
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uint16_t _flags;
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//! \name Accessors
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//! \{
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inline uint32_t rwInfoIndex() const noexcept { return _rwInfoIndex; }
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inline uint32_t flags() const noexcept { return _flags; }
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inline bool hasFlag(uint32_t flag) const { return (_flags & flag) != 0; }
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//! \}
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};
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ASMJIT_VARAPI const InstInfo _instInfoTable[];
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static inline const InstInfo& infoById(InstId instId) noexcept {
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instId &= uint32_t(InstIdParts::kRealId);
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ASMJIT_ASSERT(Inst::isDefinedId(instId));
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return _instInfoTable[instId];
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}
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} // {InstDB}
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//! \}
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ASMJIT_END_SUB_NAMESPACE
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#endif // ASMJIT_ARM_A64INSTDB_H_INCLUDED
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