/
ppctable.c
389 lines (343 loc) · 21.9 KB
/
ppctable.c
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/****************************************************************************
*
* Open Watcom Project
*
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
* ========================================================================
*
* This file contains Original Code and/or Modifications of Original
* Code as defined in and that are subject to the Sybase Open Watcom
* Public License version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
* provided with the Original Code and Modifications, and is also
* available at www.sybase.com/developer/opensource.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
* NON-INFRINGEMENT. Please see the License for the specific language
* governing rights and limitations under the License.
*
* ========================================================================
*
* Description: Table translating generic cg "assembler" to PowerPC
* specific instructions.
*
****************************************************************************/
#include "_cgstd.h"
#include "coderep.h"
#include "regset.h"
#include "model.h"
#include "opctable.h"
static const opcode_entry StubUnary[] = {
/*************************/
/* from to eq verify reg gen fu */
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_DWORD, G_NO, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry StubBinary[] = {
/************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_DWORD, G_NO, FU_NO ),
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
#if 0
static const opcode_entry StubSide[] = {
/******************************/
/* op1 op2 verify reg gen fu */
_OE( _Side( ANY, ANY ), V_NO, RG_DWORD, G_NO, FU_NO ),
_OE( _Side( ANY, ANY ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
#endif
#define LOAD_TABLE( name, reg ) \
static const opcode_entry name[] = { \
/********************************/ \
/* from to eq verify reg gen fu */ \
_OE( _UnPP( M, R, NONE ), V_NO, RG_##reg, G_LOAD_ADDR, FU_ALU ), \
_OE( _Un( M, M, NONE ), V_NO, RG_##reg, R_MOVRESTEMP, FU_NO ), \
_OE( _Un( M, ANY, NONE ), V_NO, RG_##reg##_NEED,G_UNKNOWN, FU_NO ), \
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_##reg, R_FORCEOP1MEM, FU_NO ), \
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ), \
};
LOAD_TABLE( LoadAddr2, WORD );
LOAD_TABLE( LoadAddr8, QWORD );
static const opcode_entry LoadAddr4[] = {
/*************************************/
/* from to eq verify reg gen fu */
_OE( _Un( M, ANY, NONE ), V_OFFSETZERO, RG_DWORD, R_MOVEINDEX, FU_NO ),
_OE( _UnPP( M, R, NONE ), V_NO, RG_DWORD, G_LOAD_ADDR, FU_ALU ),
_OE( _Un( M, M, NONE ), V_NO, RG_DWORD, R_MOVRESTEMP, FU_NO ),
_OE( _Un( M, ANY, NONE ), V_NO, RG_DWORD_NEED,G_UNKNOWN, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_DWORD, R_FORCEOP1MEM, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry Conv[] = {
/************************/
/* from to eq verify reg gen fu */
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, R_DOCVT, FU_NO ),
};
static const opcode_entry NegF[] = {
/************************/
/* from to eq verify reg gen fu */
_OE( _Un( R, R, NONE ), V_NO, RG_FLOAT, G_UNARY, FU_NO ),
_OE( _Un( C|M, ANY, NONE ), V_NO, RG_FLOAT, R_MOVOP1TEMP, FU_NO ),
_OE( _Un( ANY, M, NONE ), V_NO, RG_FLOAT, R_MOVRESTEMP, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_FLOAT_NEED,G_UNKNOWN, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry MoveXX[] = {
/**************************/
/* from to eq verify reg gen fu */
_OE( _Un( ANY, ANY, NONE ), V_REG_SIZE, RG_, R_CHANGETYPE, FU_NO ),
_OE( _Un( M|U, M|U, EQ_R1 ), NVI(V_NO), RG_, G_NO, FU_NO ),
_OE( _UnPP( M, M, NONE ), NVI(V_SAME_LOCN),RG_, G_NO, FU_NO ),
_OE( _Un( U, ANY, NONE ), V_NO, RG_, R_FORCEOP1MEM, FU_NO ),
_OE( _Un( ANY, U, NONE ), V_NO, RG_, R_FORCERESMEM, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_OP1_RES_AL4, RG_DWORD_NEED,R_MOVEXX_4, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, R_MOVEXX, FU_NO ),
};
#define MOVE_TABLE( t_name, reg, load, store ) \
static const opcode_entry t_name[] = { \
/**************************/ \
/* from to eq verify reg gen fu */ \
_OE( _Un( ANY, ANY, EQ_R1 ), NVI(V_NO), RG_, G_NO, FU_NO ), \
_OE( _UnPP( M, M, NONE ), NVI(V_SAME_LOCN),RG_, G_NO, FU_NO ), \
_OE( _Un( R, R, NONE ), V_NO, RG_##reg, G_MOVE, FU_NO ), \
_OE( _Un( R, M, NONE ), V_NO, RG_##reg, store, FU_MEM ), \
_OE( _Un( C, M, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Un( M, R, NONE ), V_NO, RG_##reg, load, FU_MEM ), \
_OE( _Un( C, R, NONE ), V_OP1HIGHADDR, RG_##reg, G_LEA_HIGH, FU_NO ), \
_OE( _Un( C, R, NONE ), V_HALFWORDCONST1,RG_##reg, G_LEA, FU_NO ), \
_OE( _Un( C, R, NONE ), V_UHALFWORDCONST1,RG_##reg, G_MOVE_UI, FU_NO ), \
_OE( _Un( C, R, NONE ), V_NO, RG_##reg, R_CONSTLOAD, FU_NO ), \
_OE( _Un( M, M, NONE ), V_NO, RG_, R_MOVOP1TEMP, FU_NO ), \
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_##reg##_NEED,G_UNKNOWN, FU_NO ), \
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ), \
};
MOVE_TABLE( Move1, BYTE, G_LOAD, G_STORE );
MOVE_TABLE( Move2, WORD, G_LOAD, G_STORE );
MOVE_TABLE( Move4, DWORD, G_LOAD, G_STORE );
static const opcode_entry Move8[] = {
/**************************/
/* from to eq verify reg gen fu */
_OE( _Un( ANY, ANY, EQ_R1 ), NVI(V_NO), RG_, G_NO, FU_NO ),
_OE( _UnPP( M, M, NONE ), NVI(V_SAME_LOCN),RG_, G_NO, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, R_SPLITMOVE, FU_NO ),
};
#define BINARY_TABLE( name, reg ) \
static const opcode_entry name[] = { \
/***************************/ \
/* op1 op2 res eq verify reg gen fu */ \
_OE( _Bin( R, R, R, NONE ), V_NO, RG_##reg, G_BINARY, FU_ALU ), \
_OE( _Bin( R, C, R, NONE ), V_HALFWORDCONST2,RG_##reg, G_BINARY_IMM, FU_ALU ), \
_OE( _Bin( R, C, R, NONE ), V_NO, RG_##reg, R_MOVOP2TEMP, FU_NO ), \
_OE( _Bin( C, C, R, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( C, ANY, R, NONE ), V_SYMMETRIC, RG_##reg, R_SWAPOPS, FU_NO ), \
_OE( _Bin( C, ANY, R, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( M, ANY, ANY, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( ANY, M, ANY, NONE ), V_NO, RG_##reg, R_MOVOP2TEMP, FU_NO ), \
_OE( _Bin( ANY, ANY, M, NONE ), V_NO, RG_##reg, R_MOVRESTEMP, FU_NO ), \
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_##reg##_NEED,G_UNKNOWN, FU_NO ), \
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ), \
};
BINARY_TABLE( Binary1, BYTE );
BINARY_TABLE( Binary2, WORD );
BINARY_TABLE( Binary4, DWORD );
#define U_BINARY_TABLE( name, reg ) \
static const opcode_entry name[] = { \
/***************************/ \
/* op1 op2 res eq verify reg gen fu */ \
_OE( _Bin( R, R, R, NONE ), V_NO, RG_##reg, G_BINARYS, FU_ALU ), \
_OE( _Bin( R, C, R, NONE ), V_UHALFWORDCONST2,RG_##reg, G_BINARYS_IMM, FU_ALU ), \
_OE( _Bin( R, C, R, NONE ), V_NO, RG_##reg, R_MOVOP2TEMP, FU_NO ), \
_OE( _Bin( C, C, R, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( C, ANY, R, NONE ), V_SYMMETRIC, RG_##reg, R_SWAPOPS, FU_NO ), \
_OE( _Bin( C, ANY, R, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( M, ANY, ANY, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( ANY, M, ANY, NONE ), V_NO, RG_##reg, R_MOVOP2TEMP, FU_NO ), \
_OE( _Bin( ANY, ANY, M, NONE ), V_NO, RG_##reg, R_MOVRESTEMP, FU_NO ), \
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_##reg##_NEED,G_UNKNOWN, FU_NO ), \
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ), \
};
U_BINARY_TABLE( UBinary1, BYTE );
U_BINARY_TABLE( UBinary2, WORD );
U_BINARY_TABLE( UBinary4, DWORD );
#define N_BINARY_TABLE( name, reg ) \
static const opcode_entry name[] = { \
/***************************/ \
/* op1 op2 res eq verify reg gen fu */ \
_OE( _Bin( R, R, R, NONE ), V_NO, RG_##reg, G_BINARY, FU_ALU ), \
_OE( _Bin( R, C, R, NONE ), V_NO, RG_##reg, R_MOVOP2TEMP, FU_NO ), \
_OE( _Bin( C, C, R, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( C, ANY, R, NONE ), V_SYMMETRIC, RG_##reg, R_SWAPOPS, FU_NO ), \
_OE( _Bin( C, ANY, R, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( M, ANY, ANY, NONE ), V_NO, RG_##reg, R_MOVOP1TEMP, FU_NO ), \
_OE( _Bin( ANY, M, ANY, NONE ), V_NO, RG_##reg, R_MOVOP2TEMP, FU_NO ), \
_OE( _Bin( ANY, ANY, M, NONE ), V_NO, RG_##reg, R_MOVRESTEMP, FU_NO ), \
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_##reg##_NEED,G_UNKNOWN, FU_NO ), \
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ), \
};
N_BINARY_TABLE( NBinary1, BYTE );
N_BINARY_TABLE( NBinary2, WORD );
N_BINARY_TABLE( NBinary4, DWORD );
static const opcode_entry Binary8[] = {
/***********************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_QWORD, R_SPLITOP, FU_NO ),
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry Push[] = {
/************************/
/* from to eq verify reg gen fu */
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_DWORD, R_PUSHTOMOV, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry Pop[] = {
/***********************/
/* from to eq verify reg gen fu */
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_DWORD, R_POPTOMOV, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry Un1[] = {
/***********************/
/* from to eq verify reg gen fu */
_OE( _Un( R, R, NONE ), V_NO, RG_BYTE, G_UNARY, FU_ALU ),
_OE( _Un( C|M, ANY, NONE ), V_NO, RG_BYTE, R_MOVOP1TEMP, FU_NO ),
_OE( _Un( ANY, M, NONE ), V_NO, RG_BYTE, R_MOVRESTEMP, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_BYTE_NEED, G_UNKNOWN, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry Un2[] = {
/***********************/
/* from to eq verify reg gen fu */
_OE( _Un( R, R, NONE ), V_NO, RG_WORD, G_UNARY, FU_ALU ),
_OE( _Un( C|M, ANY, NONE ), V_NO, RG_WORD, R_MOVOP1TEMP, FU_NO ),
_OE( _Un( ANY, M, NONE ), V_NO, RG_WORD, R_MOVRESTEMP, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_WORD_NEED, G_UNKNOWN, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry Un4[] = {
/***********************/
/* from to eq verify reg gen fu */
_OE( _Un( R, R, NONE ), V_NO, RG_DWORD, G_UNARY, FU_ALU ),
_OE( _Un( C|M, ANY, NONE ), V_NO, RG_DWORD, R_MOVOP1TEMP, FU_NO ),
_OE( _Un( ANY, M, NONE ), V_NO, RG_DWORD, R_MOVRESTEMP, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_DWORD_NEED,G_UNKNOWN, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry VaStart[] = {
/***************************/
/* from to eq verify reg gen fu */
_OE( _Un( R, ANY, NONE ), V_NO, RG_DWORD, G_VASTART, FU_ALU ),
_OE( _Un( M, ANY, NONE ), V_NO, RG_DWORD, R_MOVOP1TEMP, FU_ALU ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_DWORD_NEED,G_UNKNOWN, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry MoveF[] = {
/*************************/
/* from to eq verify reg gen fu */
_OE( _Un( ANY, ANY, EQ_R1 ), NVI(V_NO), RG_, G_NO, FU_NO ),
_OE( _Un( M, M, NONE ), V_SAME_LOCN, RG_, G_NO, FU_NO ),
_OE( _Un( R, R, NONE ), V_NO, RG_FLOAT, G_MOVE_FP, FU_NO ),
_OE( _Un( R, M, NONE ), V_NO, RG_FLOAT, G_STORE, FU_NO ),
_OE( _Un( M, R, NONE ), V_NO, RG_FLOAT, G_LOAD, FU_NO ),
_OE( _Un( C, ANY, NONE ), V_NO, RG_, R_FORCEOP1CMEM, FU_NO ),
_OE( _Un( M, M, NONE ), V_NO, RG_, R_MOVOP1TEMP, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_FLOAT_NEED,G_UNKNOWN, FU_NO ),
_OE( _Un( ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry FloatBinary[] = {
/*******************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( R, R, R, NONE ), V_NO, RG_FLOAT, G_BINARY_FP, FU_ALU ),
_OE( _Bin( C, ANY, ANY, NONE ), V_NO, RG_FLOAT, R_FORCEOP1CMEM, FU_NO ),
_OE( _Bin( ANY, C, ANY, NONE ), V_NO, RG_FLOAT, R_FORCEOP2CMEM, FU_NO ),
_OE( _Bin( M, ANY, ANY, NONE ), V_NO, RG_FLOAT, R_MOVOP1TEMP, FU_NO ),
_OE( _Bin( ANY, M, ANY, NONE ), V_NO, RG_FLOAT, R_MOVOP2TEMP, FU_NO ),
_OE( _Bin( ANY, ANY, M, NONE ), V_NO, RG_FLOAT, R_MOVRESTEMP, FU_NO ),
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_FLOAT_NEED,G_UNKNOWN, FU_NO ),
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry DoNop[] = {
/*************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _BinPP( ANY, ANY, ANY, NONE ), V_NO, RG_, G_NO, FU_NO ),
};
static const opcode_entry Set4[] = {
/************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, R_DOSET, FU_ALU ),
};
static const opcode_entry Test4[] = {
/*************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, R_DOTEST, FU_ALU ),
};
static const opcode_entry Cmp4[] = {
/************************/
/* op1 op2 verify reg gen fu */
_OE( _Side( R, R ), V_NO, RG_DWORD, G_CMP, FU_NO ),
_OE( _Side( R, C ), V_HALFWORDCONST2,RG_DWORD, G_CMP_I, FU_NO ),
_OE( _Side( R, C ), V_NO, RG_DWORD, R_MOVOP2TEMP, FU_NO ),
_OE( _Side( C, C ), V_NO, RG_DWORD, R_MOVOP1TEMP, FU_NO ),
_OE( _Side( C, R ), V_NO, RG_DWORD, R_SWAPCMP, FU_NO ),
_OE( _Side( M, ANY ), V_NO, RG_DWORD, R_MOVOP1TEMP, FU_NO ),
_OE( _Side( ANY, M ), V_NO, RG_DWORD, R_MOVOP2TEMP, FU_NO ),
_OE( _Side( ANY, ANY ), V_NO, RG_DWORD_NEED,G_UNKNOWN, FU_NO ),
_OE( _Side( ANY, ANY ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry CmpF[] = {
/************************/
/* op1 op2 verify reg gen fu */
_OE( _Side( R, R ), V_NO, RG_FLOAT, G_CMP_FP, FU_NO ),
_OE( _Side( R, C ), V_NO, RG_FLOAT, R_FORCEOP2CMEM, FU_NO ),
_OE( _Side( C, R ), V_NO, RG_FLOAT, R_SWAPCMP, FU_NO ),
_OE( _Side( M, ANY ), V_NO, RG_FLOAT, R_MOVOP1TEMP, FU_NO ),
_OE( _Side( ANY, M ), V_NO, RG_FLOAT, R_MOVOP2TEMP, FU_NO ),
_OE( _Side( ANY, ANY ), V_NO, RG_FLOAT_NEED,G_UNKNOWN, FU_NO ),
_OE( _Side( ANY, ANY ), V_NO, RG_, G_UNKNOWN, FU_NO ),
};
static const opcode_entry Call[] = {
/************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_CALL, FU_NO ),
};
static const opcode_entry CallI[] = {
/*************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, G_CALLI, FU_NO ),
};
static const opcode_entry Rtn[] = {
/***********************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, R_MAKECALL, FU_NO ),
};
static const opcode_entry Promote[] = {
/***************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, R_BIN2INT, FU_NO ),
};
static const opcode_entry Mod4[] = {
/************************/
/* op1 op2 res eq verify reg gen fu */
_OE( _Bin( ANY, ANY, ANY, NONE ), V_NO, RG_, R_MOD2DIV, FU_NO ),
};
static const opcode_entry *OpcodeList[] = {
#define pick(enum,opcode) opcode,
#include "_tables.h"
#undef pick
};
const opcode_entry *OpcodeTable( table_def i )
/*************************************************/
{
return( OpcodeList[i] );
}
bool IsNop( const opcode_entry *entry )
/****************************************/
{
return( entry == DoNop );
}