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Don't provide two different definitions of ModRMDecision, OpcodeDecision, and ContextDecision in different source files (depending on #define magic).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206720 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Smith
2014-04-20 21:52:16 +00:00
parent 5aacafc256
commit 6f37488863
4 changed files with 46 additions and 43 deletions
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29
utils/TableGen/X86DisassemblerShared.h
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@ -13,14 +13,8 @@
#include <string.h>
#include <string>
#define INSTRUCTION_IDS \
InstrUID instructionIDs[256];
#include "../../lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h"
#undef INSTRUCTION_SPECIFIER_FIELDS
#undef INSTRUCTION_IDS
struct InstructionSpecifier {
llvm::X86Disassembler::OperandSpecifier operands[X86_MAX_OPERANDS];
llvm::X86Disassembler::InstructionContext insnContext;
@ -33,4 +27,27 @@ struct InstructionSpecifier {
}
};
/// Specifies whether a ModR/M byte is needed and (if so) which
/// instruction each possible value of the ModR/M byte corresponds to. Once
/// this information is known, we have narrowed down to a single instruction.
struct ModRMDecision {
uint8_t modrm_type;
llvm::X86Disassembler::InstrUID instructionIDs[256];
};
/// Specifies which set of ModR/M->instruction tables to look at
/// given a particular opcode.
struct OpcodeDecision {
ModRMDecision modRMDecisions[256];
};
/// Specifies which opcode->instruction tables to look at given
/// a particular context (set of attributes). Since there are many possible
/// contexts, the decoder first uses CONTEXTS_SYM to determine which context
/// applies given a specific set of attributes. Hence there are only IC_max
/// entries in this table, rather than 2^(ATTR_max).
struct ContextDecision {
OpcodeDecision opcodeDecisions[llvm::X86Disassembler::IC_max];
};
#endif