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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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23
lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp
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@ -22,6 +22,29 @@
using namespace llvm::X86Disassembler;
/// 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;
uint16_t instructionIDs;
};
/// 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[IC_max];
};
#include "X86GenDisassemblerTables.inc"
#define TRUE 1

6
lib/Target/X86/Disassembler/X86DisassemblerDecoder.h
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@ -16,14 +16,8 @@
#ifndef X86DISASSEMBLERDECODER_H
#define X86DISASSEMBLERDECODER_H
#define INSTRUCTION_IDS \
uint16_t instructionIDs;
#include "X86DisassemblerDecoderCommon.h"
#undef INSTRUCTION_SPECIFIER_FIELDS
#undef INSTRUCTION_IDS
namespace llvm {
namespace X86Disassembler {

31
lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h
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@ -337,37 +337,6 @@ enum ModRMDecisionType {
};
#undef ENUM_ENTRY
/*
* ModRMDecision - 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;
/* The macro below must be defined wherever this file is included. */
INSTRUCTION_IDS
};
/*
* OpcodeDecision - Specifies which set of ModR/M->instruction tables to look at
* given a particular opcode.
*/
struct OpcodeDecision {
ModRMDecision modRMDecisions[256];
};
/*
* ContextDecision - 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[IC_max];
};
/*
* Physical encodings of instruction operands.
*/

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