nkeynes@359 | 1 | /**
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nkeynes@408 | 2 | * $Id: sh4x86.in,v 1.16 2007-09-28 07:27:20 nkeynes Exp $
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nkeynes@359 | 3 | *
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nkeynes@359 | 4 | * SH4 => x86 translation. This version does no real optimization, it just
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nkeynes@359 | 5 | * outputs straight-line x86 code - it mainly exists to provide a baseline
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nkeynes@359 | 6 | * to test the optimizing versions against.
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nkeynes@359 | 7 | *
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nkeynes@359 | 8 | * Copyright (c) 2007 Nathan Keynes.
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nkeynes@359 | 9 | *
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nkeynes@359 | 10 | * This program is free software; you can redistribute it and/or modify
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nkeynes@359 | 11 | * it under the terms of the GNU General Public License as published by
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nkeynes@359 | 12 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@359 | 13 | * (at your option) any later version.
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nkeynes@359 | 14 | *
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nkeynes@359 | 15 | * This program is distributed in the hope that it will be useful,
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nkeynes@359 | 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@359 | 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@359 | 18 | * GNU General Public License for more details.
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nkeynes@359 | 19 | */
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nkeynes@359 | 20 |
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nkeynes@368 | 21 | #include <assert.h>
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nkeynes@388 | 22 | #include <math.h>
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nkeynes@368 | 23 |
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nkeynes@380 | 24 | #ifndef NDEBUG
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nkeynes@380 | 25 | #define DEBUG_JUMPS 1
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nkeynes@380 | 26 | #endif
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nkeynes@380 | 27 |
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nkeynes@368 | 28 | #include "sh4/sh4core.h"
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nkeynes@368 | 29 | #include "sh4/sh4trans.h"
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nkeynes@388 | 30 | #include "sh4/sh4mmio.h"
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nkeynes@368 | 31 | #include "sh4/x86op.h"
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nkeynes@368 | 32 | #include "clock.h"
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nkeynes@368 | 33 |
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nkeynes@368 | 34 | #define DEFAULT_BACKPATCH_SIZE 4096
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nkeynes@368 | 35 |
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nkeynes@368 | 36 | /**
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nkeynes@368 | 37 | * Struct to manage internal translation state. This state is not saved -
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nkeynes@368 | 38 | * it is only valid between calls to sh4_translate_begin_block() and
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nkeynes@368 | 39 | * sh4_translate_end_block()
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nkeynes@368 | 40 | */
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nkeynes@368 | 41 | struct sh4_x86_state {
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nkeynes@368 | 42 | gboolean in_delay_slot;
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nkeynes@368 | 43 | gboolean priv_checked; /* true if we've already checked the cpu mode. */
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nkeynes@368 | 44 | gboolean fpuen_checked; /* true if we've already checked fpu enabled. */
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nkeynes@408 | 45 | uint32_t block_start_pc;
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nkeynes@368 | 46 |
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nkeynes@368 | 47 | /* Allocated memory for the (block-wide) back-patch list */
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nkeynes@368 | 48 | uint32_t **backpatch_list;
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nkeynes@368 | 49 | uint32_t backpatch_posn;
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nkeynes@368 | 50 | uint32_t backpatch_size;
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nkeynes@368 | 51 | };
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nkeynes@368 | 52 |
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nkeynes@368 | 53 | #define EXIT_DATA_ADDR_READ 0
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nkeynes@368 | 54 | #define EXIT_DATA_ADDR_WRITE 7
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nkeynes@368 | 55 | #define EXIT_ILLEGAL 14
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nkeynes@368 | 56 | #define EXIT_SLOT_ILLEGAL 21
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nkeynes@368 | 57 | #define EXIT_FPU_DISABLED 28
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nkeynes@368 | 58 | #define EXIT_SLOT_FPU_DISABLED 35
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nkeynes@368 | 59 |
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nkeynes@368 | 60 | static struct sh4_x86_state sh4_x86;
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nkeynes@368 | 61 |
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nkeynes@388 | 62 | static uint32_t max_int = 0x7FFFFFFF;
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nkeynes@388 | 63 | static uint32_t min_int = 0x80000000;
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nkeynes@394 | 64 | static uint32_t save_fcw; /* save value for fpu control word */
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nkeynes@394 | 65 | static uint32_t trunc_fcw = 0x0F7F; /* fcw value for truncation mode */
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nkeynes@386 | 66 |
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nkeynes@368 | 67 | void sh4_x86_init()
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nkeynes@368 | 68 | {
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nkeynes@368 | 69 | sh4_x86.backpatch_list = malloc(DEFAULT_BACKPATCH_SIZE);
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nkeynes@368 | 70 | sh4_x86.backpatch_size = DEFAULT_BACKPATCH_SIZE / sizeof(uint32_t *);
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nkeynes@368 | 71 | }
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nkeynes@368 | 72 |
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nkeynes@368 | 73 |
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nkeynes@368 | 74 | static void sh4_x86_add_backpatch( uint8_t *ptr )
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nkeynes@368 | 75 | {
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nkeynes@368 | 76 | if( sh4_x86.backpatch_posn == sh4_x86.backpatch_size ) {
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nkeynes@368 | 77 | sh4_x86.backpatch_size <<= 1;
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nkeynes@368 | 78 | sh4_x86.backpatch_list = realloc( sh4_x86.backpatch_list, sh4_x86.backpatch_size * sizeof(uint32_t *) );
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nkeynes@368 | 79 | assert( sh4_x86.backpatch_list != NULL );
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nkeynes@368 | 80 | }
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nkeynes@368 | 81 | sh4_x86.backpatch_list[sh4_x86.backpatch_posn++] = (uint32_t *)ptr;
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nkeynes@368 | 82 | }
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nkeynes@368 | 83 |
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nkeynes@368 | 84 | static void sh4_x86_do_backpatch( uint8_t *reloc_base )
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nkeynes@368 | 85 | {
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nkeynes@368 | 86 | unsigned int i;
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nkeynes@368 | 87 | for( i=0; i<sh4_x86.backpatch_posn; i++ ) {
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nkeynes@374 | 88 | *sh4_x86.backpatch_list[i] += (reloc_base - ((uint8_t *)sh4_x86.backpatch_list[i]) - 4);
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nkeynes@368 | 89 | }
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nkeynes@368 | 90 | }
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nkeynes@368 | 91 |
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nkeynes@359 | 92 | /**
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nkeynes@359 | 93 | * Emit an instruction to load an SH4 reg into a real register
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nkeynes@359 | 94 | */
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nkeynes@359 | 95 | static inline void load_reg( int x86reg, int sh4reg )
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nkeynes@359 | 96 | {
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nkeynes@359 | 97 | /* mov [bp+n], reg */
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nkeynes@361 | 98 | OP(0x8B);
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nkeynes@361 | 99 | OP(0x45 + (x86reg<<3));
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nkeynes@359 | 100 | OP(REG_OFFSET(r[sh4reg]));
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nkeynes@359 | 101 | }
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nkeynes@359 | 102 |
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nkeynes@374 | 103 | static inline void load_reg16s( int x86reg, int sh4reg )
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nkeynes@368 | 104 | {
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nkeynes@374 | 105 | OP(0x0F);
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nkeynes@374 | 106 | OP(0xBF);
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nkeynes@374 | 107 | MODRM_r32_sh4r(x86reg, REG_OFFSET(r[sh4reg]));
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nkeynes@368 | 108 | }
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nkeynes@368 | 109 |
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nkeynes@374 | 110 | static inline void load_reg16u( int x86reg, int sh4reg )
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nkeynes@368 | 111 | {
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nkeynes@374 | 112 | OP(0x0F);
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nkeynes@374 | 113 | OP(0xB7);
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nkeynes@374 | 114 | MODRM_r32_sh4r(x86reg, REG_OFFSET(r[sh4reg]));
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nkeynes@374 | 115 |
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nkeynes@368 | 116 | }
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nkeynes@368 | 117 |
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nkeynes@380 | 118 | #define load_spreg( x86reg, regoff ) MOV_sh4r_r32( regoff, x86reg )
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nkeynes@380 | 119 | #define store_spreg( x86reg, regoff ) MOV_r32_sh4r( x86reg, regoff )
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nkeynes@359 | 120 | /**
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nkeynes@359 | 121 | * Emit an instruction to load an immediate value into a register
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nkeynes@359 | 122 | */
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nkeynes@359 | 123 | static inline void load_imm32( int x86reg, uint32_t value ) {
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nkeynes@359 | 124 | /* mov #value, reg */
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nkeynes@359 | 125 | OP(0xB8 + x86reg);
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nkeynes@359 | 126 | OP32(value);
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nkeynes@359 | 127 | }
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nkeynes@359 | 128 |
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nkeynes@359 | 129 | /**
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nkeynes@359 | 130 | * Emit an instruction to store an SH4 reg (RN)
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nkeynes@359 | 131 | */
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nkeynes@359 | 132 | void static inline store_reg( int x86reg, int sh4reg ) {
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nkeynes@359 | 133 | /* mov reg, [bp+n] */
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nkeynes@361 | 134 | OP(0x89);
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nkeynes@361 | 135 | OP(0x45 + (x86reg<<3));
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nkeynes@359 | 136 | OP(REG_OFFSET(r[sh4reg]));
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nkeynes@359 | 137 | }
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nkeynes@374 | 138 |
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nkeynes@374 | 139 | #define load_fr_bank(bankreg) load_spreg( bankreg, REG_OFFSET(fr_bank))
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nkeynes@374 | 140 |
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nkeynes@375 | 141 | /**
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nkeynes@375 | 142 | * Load an FR register (single-precision floating point) into an integer x86
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nkeynes@375 | 143 | * register (eg for register-to-register moves)
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nkeynes@375 | 144 | */
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nkeynes@375 | 145 | void static inline load_fr( int bankreg, int x86reg, int frm )
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nkeynes@375 | 146 | {
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nkeynes@375 | 147 | OP(0x8B); OP(0x40+bankreg+(x86reg<<3)); OP((frm^1)<<2);
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nkeynes@375 | 148 | }
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nkeynes@375 | 149 |
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nkeynes@375 | 150 | /**
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nkeynes@375 | 151 | * Store an FR register (single-precision floating point) into an integer x86
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nkeynes@375 | 152 | * register (eg for register-to-register moves)
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nkeynes@375 | 153 | */
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nkeynes@375 | 154 | void static inline store_fr( int bankreg, int x86reg, int frn )
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nkeynes@375 | 155 | {
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nkeynes@375 | 156 | OP(0x89); OP(0x40+bankreg+(x86reg<<3)); OP((frn^1)<<2);
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nkeynes@375 | 157 | }
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nkeynes@375 | 158 |
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nkeynes@375 | 159 |
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nkeynes@375 | 160 | /**
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nkeynes@375 | 161 | * Load a pointer to the back fp back into the specified x86 register. The
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nkeynes@375 | 162 | * bankreg must have been previously loaded with FPSCR.
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nkeynes@388 | 163 | * NB: 12 bytes
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nkeynes@375 | 164 | */
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nkeynes@374 | 165 | static inline void load_xf_bank( int bankreg )
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nkeynes@374 | 166 | {
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nkeynes@386 | 167 | NOT_r32( bankreg );
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nkeynes@374 | 168 | SHR_imm8_r32( (21 - 6), bankreg ); // Extract bit 21 then *64 for bank size
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nkeynes@374 | 169 | AND_imm8s_r32( 0x40, bankreg ); // Complete extraction
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nkeynes@374 | 170 | OP(0x8D); OP(0x44+(bankreg<<3)); OP(0x28+bankreg); OP(REG_OFFSET(fr)); // LEA [ebp+bankreg+disp], bankreg
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nkeynes@374 | 171 | }
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nkeynes@374 | 172 |
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nkeynes@375 | 173 | /**
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nkeynes@386 | 174 | * Update the fr_bank pointer based on the current fpscr value.
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nkeynes@386 | 175 | */
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nkeynes@386 | 176 | static inline void update_fr_bank( int fpscrreg )
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nkeynes@386 | 177 | {
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nkeynes@386 | 178 | SHR_imm8_r32( (21 - 6), fpscrreg ); // Extract bit 21 then *64 for bank size
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nkeynes@386 | 179 | AND_imm8s_r32( 0x40, fpscrreg ); // Complete extraction
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nkeynes@386 | 180 | OP(0x8D); OP(0x44+(fpscrreg<<3)); OP(0x28+fpscrreg); OP(REG_OFFSET(fr)); // LEA [ebp+fpscrreg+disp], fpscrreg
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nkeynes@386 | 181 | store_spreg( fpscrreg, REG_OFFSET(fr_bank) );
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nkeynes@386 | 182 | }
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nkeynes@386 | 183 | /**
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nkeynes@377 | 184 | * Push FPUL (as a 32-bit float) onto the FPU stack
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nkeynes@377 | 185 | */
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nkeynes@377 | 186 | static inline void push_fpul( )
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nkeynes@377 | 187 | {
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nkeynes@377 | 188 | OP(0xD9); OP(0x45); OP(R_FPUL);
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nkeynes@377 | 189 | }
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nkeynes@377 | 190 |
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nkeynes@377 | 191 | /**
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nkeynes@377 | 192 | * Pop FPUL (as a 32-bit float) from the FPU stack
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nkeynes@377 | 193 | */
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nkeynes@377 | 194 | static inline void pop_fpul( )
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nkeynes@377 | 195 | {
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nkeynes@377 | 196 | OP(0xD9); OP(0x5D); OP(R_FPUL);
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nkeynes@377 | 197 | }
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nkeynes@377 | 198 |
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nkeynes@377 | 199 | /**
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nkeynes@375 | 200 | * Push a 32-bit float onto the FPU stack, with bankreg previously loaded
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nkeynes@375 | 201 | * with the location of the current fp bank.
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nkeynes@375 | 202 | */
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nkeynes@374 | 203 | static inline void push_fr( int bankreg, int frm )
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nkeynes@374 | 204 | {
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nkeynes@374 | 205 | OP(0xD9); OP(0x40 + bankreg); OP((frm^1)<<2); // FLD.S [bankreg + frm^1*4]
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nkeynes@374 | 206 | }
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nkeynes@374 | 207 |
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nkeynes@375 | 208 | /**
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nkeynes@375 | 209 | * Pop a 32-bit float from the FPU stack and store it back into the fp bank,
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nkeynes@375 | 210 | * with bankreg previously loaded with the location of the current fp bank.
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nkeynes@375 | 211 | */
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nkeynes@374 | 212 | static inline void pop_fr( int bankreg, int frm )
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nkeynes@374 | 213 | {
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nkeynes@374 | 214 | OP(0xD9); OP(0x58 + bankreg); OP((frm^1)<<2); // FST.S [bankreg + frm^1*4]
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nkeynes@374 | 215 | }
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nkeynes@374 | 216 |
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nkeynes@375 | 217 | /**
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nkeynes@375 | 218 | * Push a 64-bit double onto the FPU stack, with bankreg previously loaded
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nkeynes@375 | 219 | * with the location of the current fp bank.
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nkeynes@375 | 220 | */
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nkeynes@374 | 221 | static inline void push_dr( int bankreg, int frm )
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nkeynes@374 | 222 | {
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nkeynes@375 | 223 | OP(0xDD); OP(0x40 + bankreg); OP(frm<<2); // FLD.D [bankreg + frm*4]
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nkeynes@374 | 224 | }
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nkeynes@374 | 225 |
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nkeynes@374 | 226 | static inline void pop_dr( int bankreg, int frm )
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nkeynes@374 | 227 | {
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nkeynes@375 | 228 | OP(0xDD); OP(0x58 + bankreg); OP(frm<<2); // FST.D [bankreg + frm*4]
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nkeynes@374 | 229 | }
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nkeynes@374 | 230 |
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nkeynes@361 | 231 | /**
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nkeynes@361 | 232 | * Note: clobbers EAX to make the indirect call - this isn't usually
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nkeynes@361 | 233 | * a problem since the callee will usually clobber it anyway.
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nkeynes@361 | 234 | */
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nkeynes@361 | 235 | static inline void call_func0( void *ptr )
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nkeynes@361 | 236 | {
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nkeynes@361 | 237 | load_imm32(R_EAX, (uint32_t)ptr);
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nkeynes@368 | 238 | CALL_r32(R_EAX);
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nkeynes@361 | 239 | }
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nkeynes@361 | 240 |
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nkeynes@361 | 241 | static inline void call_func1( void *ptr, int arg1 )
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nkeynes@361 | 242 | {
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nkeynes@361 | 243 | PUSH_r32(arg1);
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nkeynes@361 | 244 | call_func0(ptr);
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nkeynes@377 | 245 | ADD_imm8s_r32( 4, R_ESP );
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nkeynes@361 | 246 | }
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nkeynes@361 | 247 |
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nkeynes@361 | 248 | static inline void call_func2( void *ptr, int arg1, int arg2 )
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nkeynes@361 | 249 | {
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nkeynes@361 | 250 | PUSH_r32(arg2);
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nkeynes@361 | 251 | PUSH_r32(arg1);
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nkeynes@361 | 252 | call_func0(ptr);
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nkeynes@377 | 253 | ADD_imm8s_r32( 8, R_ESP );
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nkeynes@375 | 254 | }
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nkeynes@375 | 255 |
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nkeynes@375 | 256 | /**
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nkeynes@375 | 257 | * Write a double (64-bit) value into memory, with the first word in arg2a, and
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nkeynes@375 | 258 | * the second in arg2b
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nkeynes@375 | 259 | * NB: 30 bytes
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nkeynes@375 | 260 | */
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nkeynes@375 | 261 | static inline void MEM_WRITE_DOUBLE( int addr, int arg2a, int arg2b )
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nkeynes@375 | 262 | {
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nkeynes@375 | 263 | ADD_imm8s_r32( 4, addr );
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nkeynes@386 | 264 | PUSH_r32(arg2b);
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nkeynes@375 | 265 | PUSH_r32(addr);
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nkeynes@375 | 266 | ADD_imm8s_r32( -4, addr );
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nkeynes@386 | 267 | PUSH_r32(arg2a);
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nkeynes@375 | 268 | PUSH_r32(addr);
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nkeynes@375 | 269 | call_func0(sh4_write_long);
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nkeynes@377 | 270 | ADD_imm8s_r32( 8, R_ESP );
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nkeynes@375 | 271 | call_func0(sh4_write_long);
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nkeynes@377 | 272 | ADD_imm8s_r32( 8, R_ESP );
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nkeynes@375 | 273 | }
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nkeynes@375 | 274 |
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nkeynes@375 | 275 | /**
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nkeynes@375 | 276 | * Read a double (64-bit) value from memory, writing the first word into arg2a
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nkeynes@375 | 277 | * and the second into arg2b. The addr must not be in EAX
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nkeynes@375 | 278 | * NB: 27 bytes
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nkeynes@375 | 279 | */
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nkeynes@375 | 280 | static inline void MEM_READ_DOUBLE( int addr, int arg2a, int arg2b )
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nkeynes@375 | 281 | {
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nkeynes@375 | 282 | PUSH_r32(addr);
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nkeynes@375 | 283 | call_func0(sh4_read_long);
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nkeynes@375 | 284 | POP_r32(addr);
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nkeynes@375 | 285 | PUSH_r32(R_EAX);
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nkeynes@375 | 286 | ADD_imm8s_r32( 4, addr );
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nkeynes@375 | 287 | PUSH_r32(addr);
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nkeynes@375 | 288 | call_func0(sh4_read_long);
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nkeynes@377 | 289 | ADD_imm8s_r32( 4, R_ESP );
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nkeynes@375 | 290 | MOV_r32_r32( R_EAX, arg2b );
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nkeynes@375 | 291 | POP_r32(arg2a);
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nkeynes@361 | 292 | }
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nkeynes@361 | 293 |
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nkeynes@368 | 294 | /* Exception checks - Note that all exception checks will clobber EAX */
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nkeynes@368 | 295 | static void check_priv( )
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nkeynes@368 | 296 | {
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nkeynes@368 | 297 | if( !sh4_x86.priv_checked ) {
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nkeynes@368 | 298 | sh4_x86.priv_checked = TRUE;
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nkeynes@368 | 299 | load_spreg( R_EAX, R_SR );
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nkeynes@368 | 300 | AND_imm32_r32( SR_MD, R_EAX );
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nkeynes@368 | 301 | if( sh4_x86.in_delay_slot ) {
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nkeynes@368 | 302 | JE_exit( EXIT_SLOT_ILLEGAL );
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nkeynes@368 | 303 | } else {
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nkeynes@368 | 304 | JE_exit( EXIT_ILLEGAL );
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nkeynes@368 | 305 | }
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nkeynes@368 | 306 | }
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nkeynes@368 | 307 | }
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nkeynes@368 | 308 |
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nkeynes@368 | 309 | static void check_fpuen( )
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nkeynes@368 | 310 | {
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nkeynes@368 | 311 | if( !sh4_x86.fpuen_checked ) {
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nkeynes@368 | 312 | sh4_x86.fpuen_checked = TRUE;
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nkeynes@368 | 313 | load_spreg( R_EAX, R_SR );
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nkeynes@368 | 314 | AND_imm32_r32( SR_FD, R_EAX );
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nkeynes@368 | 315 | if( sh4_x86.in_delay_slot ) {
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nkeynes@368 | 316 | JNE_exit(EXIT_SLOT_FPU_DISABLED);
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nkeynes@368 | 317 | } else {
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nkeynes@368 | 318 | JNE_exit(EXIT_FPU_DISABLED);
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nkeynes@368 | 319 | }
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nkeynes@368 | 320 | }
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nkeynes@368 | 321 | }
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nkeynes@368 | 322 |
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nkeynes@368 | 323 | static void check_ralign16( int x86reg )
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nkeynes@368 | 324 | {
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nkeynes@368 | 325 | TEST_imm32_r32( 0x00000001, x86reg );
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nkeynes@368 | 326 | JNE_exit(EXIT_DATA_ADDR_READ);
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nkeynes@368 | 327 | }
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nkeynes@368 | 328 |
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nkeynes@368 | 329 | static void check_walign16( int x86reg )
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nkeynes@368 | 330 | {
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nkeynes@368 | 331 | TEST_imm32_r32( 0x00000001, x86reg );
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nkeynes@368 | 332 | JNE_exit(EXIT_DATA_ADDR_WRITE);
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nkeynes@368 | 333 | }
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nkeynes@368 | 334 |
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nkeynes@368 | 335 | static void check_ralign32( int x86reg )
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nkeynes@368 | 336 | {
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nkeynes@368 | 337 | TEST_imm32_r32( 0x00000003, x86reg );
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nkeynes@368 | 338 | JNE_exit(EXIT_DATA_ADDR_READ);
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nkeynes@368 | 339 | }
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nkeynes@368 | 340 | static void check_walign32( int x86reg )
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nkeynes@368 | 341 | {
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nkeynes@368 | 342 | TEST_imm32_r32( 0x00000003, x86reg );
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nkeynes@368 | 343 | JNE_exit(EXIT_DATA_ADDR_WRITE);
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nkeynes@368 | 344 | }
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nkeynes@368 | 345 |
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nkeynes@361 | 346 | #define UNDEF()
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nkeynes@361 | 347 | #define MEM_RESULT(value_reg) if(value_reg != R_EAX) { MOV_r32_r32(R_EAX,value_reg); }
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nkeynes@361 | 348 | #define MEM_READ_BYTE( addr_reg, value_reg ) call_func1(sh4_read_byte, addr_reg ); MEM_RESULT(value_reg)
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nkeynes@361 | 349 | #define MEM_READ_WORD( addr_reg, value_reg ) call_func1(sh4_read_word, addr_reg ); MEM_RESULT(value_reg)
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nkeynes@361 | 350 | #define MEM_READ_LONG( addr_reg, value_reg ) call_func1(sh4_read_long, addr_reg ); MEM_RESULT(value_reg)
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nkeynes@361 | 351 | #define MEM_WRITE_BYTE( addr_reg, value_reg ) call_func2(sh4_write_byte, addr_reg, value_reg)
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nkeynes@361 | 352 | #define MEM_WRITE_WORD( addr_reg, value_reg ) call_func2(sh4_write_word, addr_reg, value_reg)
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nkeynes@361 | 353 | #define MEM_WRITE_LONG( addr_reg, value_reg ) call_func2(sh4_write_long, addr_reg, value_reg)
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nkeynes@361 | 354 |
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nkeynes@386 | 355 | #define SLOTILLEGAL() JMP_exit(EXIT_SLOT_ILLEGAL); sh4_x86.in_delay_slot = FALSE; return 1;
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nkeynes@368 | 356 |
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nkeynes@368 | 357 |
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nkeynes@359 | 358 |
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nkeynes@359 | 359 | /**
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nkeynes@359 | 360 | * Emit the 'start of block' assembly. Sets up the stack frame and save
|
nkeynes@359 | 361 | * SI/DI as required
|
nkeynes@359 | 362 | */
|
nkeynes@408 | 363 | void sh4_translate_begin_block( sh4addr_t pc )
|
nkeynes@368 | 364 | {
|
nkeynes@368 | 365 | PUSH_r32(R_EBP);
|
nkeynes@359 | 366 | /* mov &sh4r, ebp */
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nkeynes@359 | 367 | load_imm32( R_EBP, (uint32_t)&sh4r );
|
nkeynes@368 | 368 | PUSH_r32(R_ESI);
|
nkeynes@380 | 369 | XOR_r32_r32(R_ESI, R_ESI);
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nkeynes@368 | 370 |
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nkeynes@368 | 371 | sh4_x86.in_delay_slot = FALSE;
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nkeynes@368 | 372 | sh4_x86.priv_checked = FALSE;
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nkeynes@368 | 373 | sh4_x86.fpuen_checked = FALSE;
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nkeynes@368 | 374 | sh4_x86.backpatch_posn = 0;
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nkeynes@408 | 375 | sh4_x86.block_start_pc = pc;
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nkeynes@368 | 376 | }
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nkeynes@359 | 377 |
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nkeynes@368 | 378 | /**
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nkeynes@408 | 379 | * Exit the block to an absolute PC
|
nkeynes@408 | 380 | * Bytes: 30
|
nkeynes@368 | 381 | */
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nkeynes@408 | 382 | void exit_block( sh4addr_t pc, sh4addr_t endpc )
|
nkeynes@368 | 383 | {
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nkeynes@408 | 384 | load_imm32( R_ECX, pc ); // 5
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nkeynes@408 | 385 | store_spreg( R_ECX, REG_OFFSET(pc) ); // 3
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nkeynes@408 | 386 | MOV_moff32_EAX( (uint32_t)xlat_get_lut_entry(pc) ); // 5
|
nkeynes@408 | 387 | AND_imm8s_r32( 0xFC, R_EAX ); // 3
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nkeynes@408 | 388 | load_imm32( R_ECX, ((endpc - sh4_x86.block_start_pc)>>1)*sh4_cpu_period ); // 5
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nkeynes@408 | 389 | ADD_r32_sh4r( R_ECX, REG_OFFSET(slice_cycle) ); // 6
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nkeynes@374 | 390 | POP_r32(R_ESI);
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nkeynes@374 | 391 | POP_r32(R_EBP);
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nkeynes@368 | 392 | RET();
|
nkeynes@359 | 393 | }
|
nkeynes@359 | 394 |
|
nkeynes@359 | 395 | /**
|
nkeynes@408 | 396 | * Exit the block with sh4r.pc already written
|
nkeynes@408 | 397 | * Bytes: 16
|
nkeynes@408 | 398 | */
|
nkeynes@408 | 399 | void exit_block_pcset( pc )
|
nkeynes@408 | 400 | {
|
nkeynes@408 | 401 | XOR_r32_r32( R_EAX, R_EAX ); // 2
|
nkeynes@408 | 402 | load_imm32( R_ECX, ((pc - sh4_x86.block_start_pc)>>1)*sh4_cpu_period ); // 5
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nkeynes@408 | 403 | ADD_r32_sh4r( R_ECX, REG_OFFSET(slice_cycle) ); // 6
|
nkeynes@408 | 404 | POP_r32(R_ESI);
|
nkeynes@408 | 405 | POP_r32(R_EBP);
|
nkeynes@408 | 406 | RET();
|
nkeynes@408 | 407 | }
|
nkeynes@408 | 408 |
|
nkeynes@408 | 409 | /**
|
nkeynes@408 | 410 | * Write the block trailer (exception handling block)
|
nkeynes@359 | 411 | */
|
nkeynes@359 | 412 | void sh4_translate_end_block( sh4addr_t pc ) {
|
nkeynes@388 | 413 | if( sh4_x86.backpatch_posn != 0 ) {
|
nkeynes@388 | 414 | uint8_t *end_ptr = xlat_output;
|
nkeynes@388 | 415 | // Exception termination. Jump block for various exception codes:
|
nkeynes@388 | 416 | PUSH_imm32( EXC_DATA_ADDR_READ );
|
nkeynes@388 | 417 | JMP_rel8( 33, target1 );
|
nkeynes@388 | 418 | PUSH_imm32( EXC_DATA_ADDR_WRITE );
|
nkeynes@388 | 419 | JMP_rel8( 26, target2 );
|
nkeynes@388 | 420 | PUSH_imm32( EXC_ILLEGAL );
|
nkeynes@388 | 421 | JMP_rel8( 19, target3 );
|
nkeynes@388 | 422 | PUSH_imm32( EXC_SLOT_ILLEGAL );
|
nkeynes@388 | 423 | JMP_rel8( 12, target4 );
|
nkeynes@388 | 424 | PUSH_imm32( EXC_FPU_DISABLED );
|
nkeynes@388 | 425 | JMP_rel8( 5, target5 );
|
nkeynes@388 | 426 | PUSH_imm32( EXC_SLOT_FPU_DISABLED );
|
nkeynes@388 | 427 | // target
|
nkeynes@388 | 428 | JMP_TARGET(target1);
|
nkeynes@388 | 429 | JMP_TARGET(target2);
|
nkeynes@388 | 430 | JMP_TARGET(target3);
|
nkeynes@388 | 431 | JMP_TARGET(target4);
|
nkeynes@388 | 432 | JMP_TARGET(target5);
|
nkeynes@388 | 433 | load_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@388 | 434 | ADD_r32_r32( R_ESI, R_ECX );
|
nkeynes@388 | 435 | ADD_r32_r32( R_ESI, R_ECX );
|
nkeynes@388 | 436 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@388 | 437 | MOV_moff32_EAX( (uint32_t)&sh4_cpu_period );
|
nkeynes@388 | 438 | load_spreg( R_ECX, REG_OFFSET(slice_cycle) );
|
nkeynes@388 | 439 | MUL_r32( R_ESI );
|
nkeynes@388 | 440 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@388 | 441 | store_spreg( R_ECX, REG_OFFSET(slice_cycle) );
|
nkeynes@388 | 442 |
|
nkeynes@388 | 443 | load_imm32( R_EAX, (uint32_t)sh4_raise_exception ); // 6
|
nkeynes@388 | 444 | CALL_r32( R_EAX ); // 2
|
nkeynes@388 | 445 | ADD_imm8s_r32( 4, R_ESP );
|
nkeynes@408 | 446 | XOR_r32_r32( R_EAX, R_EAX );
|
nkeynes@388 | 447 | POP_r32(R_ESI);
|
nkeynes@388 | 448 | POP_r32(R_EBP);
|
nkeynes@388 | 449 | RET();
|
nkeynes@368 | 450 |
|
nkeynes@388 | 451 | sh4_x86_do_backpatch( end_ptr );
|
nkeynes@388 | 452 | }
|
nkeynes@368 | 453 |
|
nkeynes@359 | 454 | }
|
nkeynes@359 | 455 |
|
nkeynes@388 | 456 |
|
nkeynes@388 | 457 | extern uint16_t *sh4_icache;
|
nkeynes@388 | 458 | extern uint32_t sh4_icache_addr;
|
nkeynes@388 | 459 |
|
nkeynes@359 | 460 | /**
|
nkeynes@359 | 461 | * Translate a single instruction. Delayed branches are handled specially
|
nkeynes@359 | 462 | * by translating both branch and delayed instruction as a single unit (as
|
nkeynes@359 | 463 | *
|
nkeynes@359 | 464 | *
|
nkeynes@359 | 465 | * @return true if the instruction marks the end of a basic block
|
nkeynes@359 | 466 | * (eg a branch or
|
nkeynes@359 | 467 | */
|
nkeynes@408 | 468 | uint32_t sh4_x86_translate_instruction( sh4addr_t pc )
|
nkeynes@359 | 469 | {
|
nkeynes@388 | 470 | uint32_t ir;
|
nkeynes@388 | 471 | /* Read instruction */
|
nkeynes@388 | 472 | uint32_t pageaddr = pc >> 12;
|
nkeynes@388 | 473 | if( sh4_icache != NULL && pageaddr == sh4_icache_addr ) {
|
nkeynes@388 | 474 | ir = sh4_icache[(pc&0xFFF)>>1];
|
nkeynes@388 | 475 | } else {
|
nkeynes@388 | 476 | sh4_icache = (uint16_t *)mem_get_page(pc);
|
nkeynes@388 | 477 | if( ((uint32_t)sh4_icache) < MAX_IO_REGIONS ) {
|
nkeynes@388 | 478 | /* If someone's actually been so daft as to try to execute out of an IO
|
nkeynes@388 | 479 | * region, fallback on the full-blown memory read
|
nkeynes@388 | 480 | */
|
nkeynes@388 | 481 | sh4_icache = NULL;
|
nkeynes@388 | 482 | ir = sh4_read_word(pc);
|
nkeynes@388 | 483 | } else {
|
nkeynes@388 | 484 | sh4_icache_addr = pageaddr;
|
nkeynes@388 | 485 | ir = sh4_icache[(pc&0xFFF)>>1];
|
nkeynes@388 | 486 | }
|
nkeynes@388 | 487 | }
|
nkeynes@388 | 488 |
|
nkeynes@359 | 489 | %%
|
nkeynes@359 | 490 | /* ALU operations */
|
nkeynes@359 | 491 | ADD Rm, Rn {:
|
nkeynes@359 | 492 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 493 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 494 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 495 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 496 | :}
|
nkeynes@359 | 497 | ADD #imm, Rn {:
|
nkeynes@359 | 498 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 499 | ADD_imm8s_r32( imm, R_EAX );
|
nkeynes@359 | 500 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 501 | :}
|
nkeynes@359 | 502 | ADDC Rm, Rn {:
|
nkeynes@359 | 503 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 504 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 505 | LDC_t();
|
nkeynes@359 | 506 | ADC_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 507 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 508 | SETC_t();
|
nkeynes@359 | 509 | :}
|
nkeynes@359 | 510 | ADDV Rm, Rn {:
|
nkeynes@359 | 511 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 512 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 513 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 514 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 515 | SETO_t();
|
nkeynes@359 | 516 | :}
|
nkeynes@359 | 517 | AND Rm, Rn {:
|
nkeynes@359 | 518 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 519 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 520 | AND_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 521 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 522 | :}
|
nkeynes@359 | 523 | AND #imm, R0 {:
|
nkeynes@359 | 524 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 525 | AND_imm32_r32(imm, R_EAX);
|
nkeynes@359 | 526 | store_reg( R_EAX, 0 );
|
nkeynes@359 | 527 | :}
|
nkeynes@359 | 528 | AND.B #imm, @(R0, GBR) {:
|
nkeynes@359 | 529 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 530 | load_spreg( R_ECX, R_GBR );
|
nkeynes@374 | 531 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 532 | PUSH_r32(R_ECX);
|
nkeynes@386 | 533 | call_func0(sh4_read_byte);
|
nkeynes@386 | 534 | POP_r32(R_ECX);
|
nkeynes@386 | 535 | AND_imm32_r32(imm, R_EAX );
|
nkeynes@359 | 536 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 537 | :}
|
nkeynes@359 | 538 | CMP/EQ Rm, Rn {:
|
nkeynes@359 | 539 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 540 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 541 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 542 | SETE_t();
|
nkeynes@359 | 543 | :}
|
nkeynes@359 | 544 | CMP/EQ #imm, R0 {:
|
nkeynes@359 | 545 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 546 | CMP_imm8s_r32(imm, R_EAX);
|
nkeynes@359 | 547 | SETE_t();
|
nkeynes@359 | 548 | :}
|
nkeynes@359 | 549 | CMP/GE Rm, Rn {:
|
nkeynes@359 | 550 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 551 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 552 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 553 | SETGE_t();
|
nkeynes@359 | 554 | :}
|
nkeynes@359 | 555 | CMP/GT Rm, Rn {:
|
nkeynes@359 | 556 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 557 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 558 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 559 | SETG_t();
|
nkeynes@359 | 560 | :}
|
nkeynes@359 | 561 | CMP/HI Rm, Rn {:
|
nkeynes@359 | 562 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 563 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 564 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 565 | SETA_t();
|
nkeynes@359 | 566 | :}
|
nkeynes@359 | 567 | CMP/HS Rm, Rn {:
|
nkeynes@359 | 568 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 569 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 570 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 571 | SETAE_t();
|
nkeynes@359 | 572 | :}
|
nkeynes@359 | 573 | CMP/PL Rn {:
|
nkeynes@359 | 574 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 575 | CMP_imm8s_r32( 0, R_EAX );
|
nkeynes@359 | 576 | SETG_t();
|
nkeynes@359 | 577 | :}
|
nkeynes@359 | 578 | CMP/PZ Rn {:
|
nkeynes@359 | 579 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 580 | CMP_imm8s_r32( 0, R_EAX );
|
nkeynes@359 | 581 | SETGE_t();
|
nkeynes@359 | 582 | :}
|
nkeynes@361 | 583 | CMP/STR Rm, Rn {:
|
nkeynes@368 | 584 | load_reg( R_EAX, Rm );
|
nkeynes@368 | 585 | load_reg( R_ECX, Rn );
|
nkeynes@368 | 586 | XOR_r32_r32( R_ECX, R_EAX );
|
nkeynes@368 | 587 | TEST_r8_r8( R_AL, R_AL );
|
nkeynes@380 | 588 | JE_rel8(13, target1);
|
nkeynes@368 | 589 | TEST_r8_r8( R_AH, R_AH ); // 2
|
nkeynes@380 | 590 | JE_rel8(9, target2);
|
nkeynes@368 | 591 | SHR_imm8_r32( 16, R_EAX ); // 3
|
nkeynes@368 | 592 | TEST_r8_r8( R_AL, R_AL ); // 2
|
nkeynes@380 | 593 | JE_rel8(2, target3);
|
nkeynes@368 | 594 | TEST_r8_r8( R_AH, R_AH ); // 2
|
nkeynes@380 | 595 | JMP_TARGET(target1);
|
nkeynes@380 | 596 | JMP_TARGET(target2);
|
nkeynes@380 | 597 | JMP_TARGET(target3);
|
nkeynes@368 | 598 | SETE_t();
|
nkeynes@361 | 599 | :}
|
nkeynes@361 | 600 | DIV0S Rm, Rn {:
|
nkeynes@361 | 601 | load_reg( R_EAX, Rm );
|
nkeynes@386 | 602 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 603 | SHR_imm8_r32( 31, R_EAX );
|
nkeynes@361 | 604 | SHR_imm8_r32( 31, R_ECX );
|
nkeynes@361 | 605 | store_spreg( R_EAX, R_M );
|
nkeynes@361 | 606 | store_spreg( R_ECX, R_Q );
|
nkeynes@361 | 607 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 608 | SETNE_t();
|
nkeynes@361 | 609 | :}
|
nkeynes@361 | 610 | DIV0U {:
|
nkeynes@361 | 611 | XOR_r32_r32( R_EAX, R_EAX );
|
nkeynes@361 | 612 | store_spreg( R_EAX, R_Q );
|
nkeynes@361 | 613 | store_spreg( R_EAX, R_M );
|
nkeynes@361 | 614 | store_spreg( R_EAX, R_T );
|
nkeynes@361 | 615 | :}
|
nkeynes@386 | 616 | DIV1 Rm, Rn {:
|
nkeynes@386 | 617 | load_spreg( R_ECX, R_M );
|
nkeynes@386 | 618 | load_reg( R_EAX, Rn );
|
nkeynes@374 | 619 | LDC_t();
|
nkeynes@386 | 620 | RCL1_r32( R_EAX );
|
nkeynes@386 | 621 | SETC_r8( R_DL ); // Q'
|
nkeynes@386 | 622 | CMP_sh4r_r32( R_Q, R_ECX );
|
nkeynes@386 | 623 | JE_rel8(5, mqequal);
|
nkeynes@386 | 624 | ADD_sh4r_r32( REG_OFFSET(r[Rm]), R_EAX );
|
nkeynes@386 | 625 | JMP_rel8(3, end);
|
nkeynes@380 | 626 | JMP_TARGET(mqequal);
|
nkeynes@386 | 627 | SUB_sh4r_r32( REG_OFFSET(r[Rm]), R_EAX );
|
nkeynes@386 | 628 | JMP_TARGET(end);
|
nkeynes@386 | 629 | store_reg( R_EAX, Rn ); // Done with Rn now
|
nkeynes@386 | 630 | SETC_r8(R_AL); // tmp1
|
nkeynes@386 | 631 | XOR_r8_r8( R_DL, R_AL ); // Q' = Q ^ tmp1
|
nkeynes@386 | 632 | XOR_r8_r8( R_AL, R_CL ); // Q'' = Q' ^ M
|
nkeynes@386 | 633 | store_spreg( R_ECX, R_Q );
|
nkeynes@386 | 634 | XOR_imm8s_r32( 1, R_AL ); // T = !Q'
|
nkeynes@386 | 635 | MOVZX_r8_r32( R_AL, R_EAX );
|
nkeynes@386 | 636 | store_spreg( R_EAX, R_T );
|
nkeynes@374 | 637 | :}
|
nkeynes@361 | 638 | DMULS.L Rm, Rn {:
|
nkeynes@361 | 639 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 640 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 641 | IMUL_r32(R_ECX);
|
nkeynes@361 | 642 | store_spreg( R_EDX, R_MACH );
|
nkeynes@361 | 643 | store_spreg( R_EAX, R_MACL );
|
nkeynes@361 | 644 | :}
|
nkeynes@361 | 645 | DMULU.L Rm, Rn {:
|
nkeynes@361 | 646 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 647 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 648 | MUL_r32(R_ECX);
|
nkeynes@361 | 649 | store_spreg( R_EDX, R_MACH );
|
nkeynes@361 | 650 | store_spreg( R_EAX, R_MACL );
|
nkeynes@361 | 651 | :}
|
nkeynes@359 | 652 | DT Rn {:
|
nkeynes@359 | 653 | load_reg( R_EAX, Rn );
|
nkeynes@382 | 654 | ADD_imm8s_r32( -1, R_EAX );
|
nkeynes@359 | 655 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 656 | SETE_t();
|
nkeynes@359 | 657 | :}
|
nkeynes@359 | 658 | EXTS.B Rm, Rn {:
|
nkeynes@359 | 659 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 660 | MOVSX_r8_r32( R_EAX, R_EAX );
|
nkeynes@359 | 661 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 662 | :}
|
nkeynes@361 | 663 | EXTS.W Rm, Rn {:
|
nkeynes@361 | 664 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 665 | MOVSX_r16_r32( R_EAX, R_EAX );
|
nkeynes@361 | 666 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 667 | :}
|
nkeynes@361 | 668 | EXTU.B Rm, Rn {:
|
nkeynes@361 | 669 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 670 | MOVZX_r8_r32( R_EAX, R_EAX );
|
nkeynes@361 | 671 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 672 | :}
|
nkeynes@361 | 673 | EXTU.W Rm, Rn {:
|
nkeynes@361 | 674 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 675 | MOVZX_r16_r32( R_EAX, R_EAX );
|
nkeynes@361 | 676 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 677 | :}
|
nkeynes@386 | 678 | MAC.L @Rm+, @Rn+ {:
|
nkeynes@386 | 679 | load_reg( R_ECX, Rm );
|
nkeynes@386 | 680 | check_ralign32( R_ECX );
|
nkeynes@386 | 681 | load_reg( R_ECX, Rn );
|
nkeynes@386 | 682 | check_ralign32( R_ECX );
|
nkeynes@386 | 683 | ADD_imm8s_sh4r( 4, REG_OFFSET(r[Rn]) );
|
nkeynes@386 | 684 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@386 | 685 | PUSH_r32( R_EAX );
|
nkeynes@386 | 686 | load_reg( R_ECX, Rm );
|
nkeynes@386 | 687 | ADD_imm8s_sh4r( 4, REG_OFFSET(r[Rm]) );
|
nkeynes@386 | 688 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@386 | 689 | POP_r32( R_ECX );
|
nkeynes@386 | 690 | IMUL_r32( R_ECX );
|
nkeynes@386 | 691 | ADD_r32_sh4r( R_EAX, R_MACL );
|
nkeynes@386 | 692 | ADC_r32_sh4r( R_EDX, R_MACH );
|
nkeynes@386 | 693 |
|
nkeynes@386 | 694 | load_spreg( R_ECX, R_S );
|
nkeynes@386 | 695 | TEST_r32_r32(R_ECX, R_ECX);
|
nkeynes@386 | 696 | JE_rel8( 7, nosat );
|
nkeynes@386 | 697 | call_func0( signsat48 );
|
nkeynes@386 | 698 | JMP_TARGET( nosat );
|
nkeynes@386 | 699 | :}
|
nkeynes@386 | 700 | MAC.W @Rm+, @Rn+ {:
|
nkeynes@386 | 701 | load_reg( R_ECX, Rm );
|
nkeynes@386 | 702 | check_ralign16( R_ECX );
|
nkeynes@386 | 703 | load_reg( R_ECX, Rn );
|
nkeynes@386 | 704 | check_ralign16( R_ECX );
|
nkeynes@386 | 705 | ADD_imm8s_sh4r( 2, REG_OFFSET(r[Rn]) );
|
nkeynes@386 | 706 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@386 | 707 | PUSH_r32( R_EAX );
|
nkeynes@386 | 708 | load_reg( R_ECX, Rm );
|
nkeynes@386 | 709 | ADD_imm8s_sh4r( 2, REG_OFFSET(r[Rm]) );
|
nkeynes@386 | 710 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@386 | 711 | POP_r32( R_ECX );
|
nkeynes@386 | 712 | IMUL_r32( R_ECX );
|
nkeynes@386 | 713 |
|
nkeynes@386 | 714 | load_spreg( R_ECX, R_S );
|
nkeynes@386 | 715 | TEST_r32_r32( R_ECX, R_ECX );
|
nkeynes@386 | 716 | JE_rel8( 47, nosat );
|
nkeynes@386 | 717 |
|
nkeynes@386 | 718 | ADD_r32_sh4r( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 719 | JNO_rel8( 51, end ); // 2
|
nkeynes@386 | 720 | load_imm32( R_EDX, 1 ); // 5
|
nkeynes@386 | 721 | store_spreg( R_EDX, R_MACH ); // 6
|
nkeynes@386 | 722 | JS_rel8( 13, positive ); // 2
|
nkeynes@386 | 723 | load_imm32( R_EAX, 0x80000000 );// 5
|
nkeynes@386 | 724 | store_spreg( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 725 | JMP_rel8( 25, end2 ); // 2
|
nkeynes@386 | 726 |
|
nkeynes@386 | 727 | JMP_TARGET(positive);
|
nkeynes@386 | 728 | load_imm32( R_EAX, 0x7FFFFFFF );// 5
|
nkeynes@386 | 729 | store_spreg( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 730 | JMP_rel8( 12, end3); // 2
|
nkeynes@386 | 731 |
|
nkeynes@386 | 732 | JMP_TARGET(nosat);
|
nkeynes@386 | 733 | ADD_r32_sh4r( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 734 | ADC_r32_sh4r( R_EDX, R_MACH ); // 6
|
nkeynes@386 | 735 | JMP_TARGET(end);
|
nkeynes@386 | 736 | JMP_TARGET(end2);
|
nkeynes@386 | 737 | JMP_TARGET(end3);
|
nkeynes@386 | 738 | :}
|
nkeynes@359 | 739 | MOVT Rn {:
|
nkeynes@359 | 740 | load_spreg( R_EAX, R_T );
|
nkeynes@359 | 741 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 742 | :}
|
nkeynes@361 | 743 | MUL.L Rm, Rn {:
|
nkeynes@361 | 744 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 745 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 746 | MUL_r32( R_ECX );
|
nkeynes@361 | 747 | store_spreg( R_EAX, R_MACL );
|
nkeynes@361 | 748 | :}
|
nkeynes@374 | 749 | MULS.W Rm, Rn {:
|
nkeynes@374 | 750 | load_reg16s( R_EAX, Rm );
|
nkeynes@374 | 751 | load_reg16s( R_ECX, Rn );
|
nkeynes@374 | 752 | MUL_r32( R_ECX );
|
nkeynes@374 | 753 | store_spreg( R_EAX, R_MACL );
|
nkeynes@361 | 754 | :}
|
nkeynes@374 | 755 | MULU.W Rm, Rn {:
|
nkeynes@374 | 756 | load_reg16u( R_EAX, Rm );
|
nkeynes@374 | 757 | load_reg16u( R_ECX, Rn );
|
nkeynes@374 | 758 | MUL_r32( R_ECX );
|
nkeynes@374 | 759 | store_spreg( R_EAX, R_MACL );
|
nkeynes@374 | 760 | :}
|
nkeynes@359 | 761 | NEG Rm, Rn {:
|
nkeynes@359 | 762 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 763 | NEG_r32( R_EAX );
|
nkeynes@359 | 764 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 765 | :}
|
nkeynes@359 | 766 | NEGC Rm, Rn {:
|
nkeynes@359 | 767 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 768 | XOR_r32_r32( R_ECX, R_ECX );
|
nkeynes@359 | 769 | LDC_t();
|
nkeynes@359 | 770 | SBB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 771 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 772 | SETC_t();
|
nkeynes@359 | 773 | :}
|
nkeynes@359 | 774 | NOT Rm, Rn {:
|
nkeynes@359 | 775 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 776 | NOT_r32( R_EAX );
|
nkeynes@359 | 777 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 778 | :}
|
nkeynes@359 | 779 | OR Rm, Rn {:
|
nkeynes@359 | 780 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 781 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 782 | OR_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 783 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 784 | :}
|
nkeynes@359 | 785 | OR #imm, R0 {:
|
nkeynes@359 | 786 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 787 | OR_imm32_r32(imm, R_EAX);
|
nkeynes@359 | 788 | store_reg( R_EAX, 0 );
|
nkeynes@359 | 789 | :}
|
nkeynes@374 | 790 | OR.B #imm, @(R0, GBR) {:
|
nkeynes@374 | 791 | load_reg( R_EAX, 0 );
|
nkeynes@374 | 792 | load_spreg( R_ECX, R_GBR );
|
nkeynes@374 | 793 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 794 | PUSH_r32(R_ECX);
|
nkeynes@386 | 795 | call_func0(sh4_read_byte);
|
nkeynes@386 | 796 | POP_r32(R_ECX);
|
nkeynes@386 | 797 | OR_imm32_r32(imm, R_EAX );
|
nkeynes@374 | 798 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@374 | 799 | :}
|
nkeynes@359 | 800 | ROTCL Rn {:
|
nkeynes@359 | 801 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 802 | LDC_t();
|
nkeynes@359 | 803 | RCL1_r32( R_EAX );
|
nkeynes@359 | 804 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 805 | SETC_t();
|
nkeynes@359 | 806 | :}
|
nkeynes@359 | 807 | ROTCR Rn {:
|
nkeynes@359 | 808 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 809 | LDC_t();
|
nkeynes@359 | 810 | RCR1_r32( R_EAX );
|
nkeynes@359 | 811 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 812 | SETC_t();
|
nkeynes@359 | 813 | :}
|
nkeynes@359 | 814 | ROTL Rn {:
|
nkeynes@359 | 815 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 816 | ROL1_r32( R_EAX );
|
nkeynes@359 | 817 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 818 | SETC_t();
|
nkeynes@359 | 819 | :}
|
nkeynes@359 | 820 | ROTR Rn {:
|
nkeynes@359 | 821 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 822 | ROR1_r32( R_EAX );
|
nkeynes@359 | 823 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 824 | SETC_t();
|
nkeynes@359 | 825 | :}
|
nkeynes@359 | 826 | SHAD Rm, Rn {:
|
nkeynes@359 | 827 | /* Annoyingly enough, not directly convertible */
|
nkeynes@361 | 828 | load_reg( R_EAX, Rn );
|
nkeynes@361 | 829 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 830 | CMP_imm32_r32( 0, R_ECX );
|
nkeynes@386 | 831 | JGE_rel8(16, doshl);
|
nkeynes@361 | 832 |
|
nkeynes@361 | 833 | NEG_r32( R_ECX ); // 2
|
nkeynes@361 | 834 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@386 | 835 | JE_rel8( 4, emptysar); // 2
|
nkeynes@361 | 836 | SAR_r32_CL( R_EAX ); // 2
|
nkeynes@386 | 837 | JMP_rel8(10, end); // 2
|
nkeynes@386 | 838 |
|
nkeynes@386 | 839 | JMP_TARGET(emptysar);
|
nkeynes@386 | 840 | SAR_imm8_r32(31, R_EAX ); // 3
|
nkeynes@386 | 841 | JMP_rel8(5, end2);
|
nkeynes@382 | 842 |
|
nkeynes@380 | 843 | JMP_TARGET(doshl);
|
nkeynes@361 | 844 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@361 | 845 | SHL_r32_CL( R_EAX ); // 2
|
nkeynes@380 | 846 | JMP_TARGET(end);
|
nkeynes@386 | 847 | JMP_TARGET(end2);
|
nkeynes@361 | 848 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 849 | :}
|
nkeynes@359 | 850 | SHLD Rm, Rn {:
|
nkeynes@368 | 851 | load_reg( R_EAX, Rn );
|
nkeynes@368 | 852 | load_reg( R_ECX, Rm );
|
nkeynes@382 | 853 | CMP_imm32_r32( 0, R_ECX );
|
nkeynes@386 | 854 | JGE_rel8(15, doshl);
|
nkeynes@368 | 855 |
|
nkeynes@382 | 856 | NEG_r32( R_ECX ); // 2
|
nkeynes@382 | 857 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@386 | 858 | JE_rel8( 4, emptyshr );
|
nkeynes@382 | 859 | SHR_r32_CL( R_EAX ); // 2
|
nkeynes@386 | 860 | JMP_rel8(9, end); // 2
|
nkeynes@386 | 861 |
|
nkeynes@386 | 862 | JMP_TARGET(emptyshr);
|
nkeynes@386 | 863 | XOR_r32_r32( R_EAX, R_EAX );
|
nkeynes@386 | 864 | JMP_rel8(5, end2);
|
nkeynes@382 | 865 |
|
nkeynes@382 | 866 | JMP_TARGET(doshl);
|
nkeynes@382 | 867 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@382 | 868 | SHL_r32_CL( R_EAX ); // 2
|
nkeynes@382 | 869 | JMP_TARGET(end);
|
nkeynes@386 | 870 | JMP_TARGET(end2);
|
nkeynes@368 | 871 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 872 | :}
|
nkeynes@359 | 873 | SHAL Rn {:
|
nkeynes@359 | 874 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 875 | SHL1_r32( R_EAX );
|
nkeynes@397 | 876 | SETC_t();
|
nkeynes@359 | 877 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 878 | :}
|
nkeynes@359 | 879 | SHAR Rn {:
|
nkeynes@359 | 880 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 881 | SAR1_r32( R_EAX );
|
nkeynes@397 | 882 | SETC_t();
|
nkeynes@359 | 883 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 884 | :}
|
nkeynes@359 | 885 | SHLL Rn {:
|
nkeynes@359 | 886 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 887 | SHL1_r32( R_EAX );
|
nkeynes@397 | 888 | SETC_t();
|
nkeynes@359 | 889 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 890 | :}
|
nkeynes@359 | 891 | SHLL2 Rn {:
|
nkeynes@359 | 892 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 893 | SHL_imm8_r32( 2, R_EAX );
|
nkeynes@359 | 894 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 895 | :}
|
nkeynes@359 | 896 | SHLL8 Rn {:
|
nkeynes@359 | 897 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 898 | SHL_imm8_r32( 8, R_EAX );
|
nkeynes@359 | 899 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 900 | :}
|
nkeynes@359 | 901 | SHLL16 Rn {:
|
nkeynes@359 | 902 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 903 | SHL_imm8_r32( 16, R_EAX );
|
nkeynes@359 | 904 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 905 | :}
|
nkeynes@359 | 906 | SHLR Rn {:
|
nkeynes@359 | 907 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 908 | SHR1_r32( R_EAX );
|
nkeynes@397 | 909 | SETC_t();
|
nkeynes@359 | 910 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 911 | :}
|
nkeynes@359 | 912 | SHLR2 Rn {:
|
nkeynes@359 | 913 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 914 | SHR_imm8_r32( 2, R_EAX );
|
nkeynes@359 | 915 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 916 | :}
|
nkeynes@359 | 917 | SHLR8 Rn {:
|
nkeynes@359 | 918 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 919 | SHR_imm8_r32( 8, R_EAX );
|
nkeynes@359 | 920 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 921 | :}
|
nkeynes@359 | 922 | SHLR16 Rn {:
|
nkeynes@359 | 923 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 924 | SHR_imm8_r32( 16, R_EAX );
|
nkeynes@359 | 925 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 926 | :}
|
nkeynes@359 | 927 | SUB Rm, Rn {:
|
nkeynes@359 | 928 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 929 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 930 | SUB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 931 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 932 | :}
|
nkeynes@359 | 933 | SUBC Rm, Rn {:
|
nkeynes@359 | 934 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 935 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 936 | LDC_t();
|
nkeynes@359 | 937 | SBB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 938 | store_reg( R_ECX, Rn );
|
nkeynes@394 | 939 | SETC_t();
|
nkeynes@359 | 940 | :}
|
nkeynes@359 | 941 | SUBV Rm, Rn {:
|
nkeynes@359 | 942 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 943 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 944 | SUB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 945 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 946 | SETO_t();
|
nkeynes@359 | 947 | :}
|
nkeynes@359 | 948 | SWAP.B Rm, Rn {:
|
nkeynes@359 | 949 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 950 | XCHG_r8_r8( R_AL, R_AH );
|
nkeynes@359 | 951 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 952 | :}
|
nkeynes@359 | 953 | SWAP.W Rm, Rn {:
|
nkeynes@359 | 954 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 955 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 956 | SHL_imm8_r32( 16, R_ECX );
|
nkeynes@359 | 957 | SHR_imm8_r32( 16, R_EAX );
|
nkeynes@359 | 958 | OR_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 959 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 960 | :}
|
nkeynes@361 | 961 | TAS.B @Rn {:
|
nkeynes@361 | 962 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 963 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@361 | 964 | TEST_r8_r8( R_AL, R_AL );
|
nkeynes@361 | 965 | SETE_t();
|
nkeynes@361 | 966 | OR_imm8_r8( 0x80, R_AL );
|
nkeynes@386 | 967 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 968 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@361 | 969 | :}
|
nkeynes@361 | 970 | TST Rm, Rn {:
|
nkeynes@361 | 971 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 972 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 973 | TEST_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 974 | SETE_t();
|
nkeynes@361 | 975 | :}
|
nkeynes@368 | 976 | TST #imm, R0 {:
|
nkeynes@368 | 977 | load_reg( R_EAX, 0 );
|
nkeynes@368 | 978 | TEST_imm32_r32( imm, R_EAX );
|
nkeynes@368 | 979 | SETE_t();
|
nkeynes@368 | 980 | :}
|
nkeynes@368 | 981 | TST.B #imm, @(R0, GBR) {:
|
nkeynes@368 | 982 | load_reg( R_EAX, 0);
|
nkeynes@368 | 983 | load_reg( R_ECX, R_GBR);
|
nkeynes@368 | 984 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@368 | 985 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@394 | 986 | TEST_imm8_r8( imm, R_AL );
|
nkeynes@368 | 987 | SETE_t();
|
nkeynes@368 | 988 | :}
|
nkeynes@359 | 989 | XOR Rm, Rn {:
|
nkeynes@359 | 990 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 991 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 992 | XOR_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 993 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 994 | :}
|
nkeynes@359 | 995 | XOR #imm, R0 {:
|
nkeynes@359 | 996 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 997 | XOR_imm32_r32( imm, R_EAX );
|
nkeynes@359 | 998 | store_reg( R_EAX, 0 );
|
nkeynes@359 | 999 | :}
|
nkeynes@359 | 1000 | XOR.B #imm, @(R0, GBR) {:
|
nkeynes@359 | 1001 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 1002 | load_spreg( R_ECX, R_GBR );
|
nkeynes@359 | 1003 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 1004 | PUSH_r32(R_ECX);
|
nkeynes@386 | 1005 | call_func0(sh4_read_byte);
|
nkeynes@386 | 1006 | POP_r32(R_ECX);
|
nkeynes@359 | 1007 | XOR_imm32_r32( imm, R_EAX );
|
nkeynes@359 | 1008 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1009 | :}
|
nkeynes@361 | 1010 | XTRCT Rm, Rn {:
|
nkeynes@361 | 1011 | load_reg( R_EAX, Rm );
|
nkeynes@394 | 1012 | load_reg( R_ECX, Rn );
|
nkeynes@394 | 1013 | SHL_imm8_r32( 16, R_EAX );
|
nkeynes@394 | 1014 | SHR_imm8_r32( 16, R_ECX );
|
nkeynes@361 | 1015 | OR_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 1016 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1017 | :}
|
nkeynes@359 | 1018 |
|
nkeynes@359 | 1019 | /* Data move instructions */
|
nkeynes@359 | 1020 | MOV Rm, Rn {:
|
nkeynes@359 | 1021 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1022 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1023 | :}
|
nkeynes@359 | 1024 | MOV #imm, Rn {:
|
nkeynes@359 | 1025 | load_imm32( R_EAX, imm );
|
nkeynes@359 | 1026 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1027 | :}
|
nkeynes@359 | 1028 | MOV.B Rm, @Rn {:
|
nkeynes@359 | 1029 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1030 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1031 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1032 | :}
|
nkeynes@359 | 1033 | MOV.B Rm, @-Rn {:
|
nkeynes@359 | 1034 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1035 | load_reg( R_ECX, Rn );
|
nkeynes@382 | 1036 | ADD_imm8s_r32( -1, R_ECX );
|
nkeynes@359 | 1037 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1038 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1039 | :}
|
nkeynes@359 | 1040 | MOV.B Rm, @(R0, Rn) {:
|
nkeynes@359 | 1041 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 1042 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1043 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1044 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1045 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1046 | :}
|
nkeynes@359 | 1047 | MOV.B R0, @(disp, GBR) {:
|
nkeynes@359 | 1048 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 1049 | load_spreg( R_ECX, R_GBR );
|
nkeynes@359 | 1050 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 1051 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1052 | :}
|
nkeynes@359 | 1053 | MOV.B R0, @(disp, Rn) {:
|
nkeynes@359 | 1054 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 1055 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1056 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 1057 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1058 | :}
|
nkeynes@359 | 1059 | MOV.B @Rm, Rn {:
|
nkeynes@359 | 1060 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 1061 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@386 | 1062 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1063 | :}
|
nkeynes@359 | 1064 | MOV.B @Rm+, Rn {:
|
nkeynes@359 | 1065 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 1066 | MOV_r32_r32( R_ECX, R_EAX );
|
nkeynes@359 | 1067 | ADD_imm8s_r32( 1, R_EAX );
|
nkeynes@359 | 1068 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1069 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1070 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1071 | :}
|
nkeynes@359 | 1072 | MOV.B @(R0, Rm), Rn {:
|
nkeynes@359 | 1073 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 1074 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 1075 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1076 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1077 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1078 | :}
|
nkeynes@359 | 1079 | MOV.B @(disp, GBR), R0 {:
|
nkeynes@359 | 1080 | load_spreg( R_ECX, R_GBR );
|
nkeynes@359 | 1081 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 1082 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1083 | store_reg( R_EAX, 0 );
|
nkeynes@359 | 1084 | :}
|
nkeynes@359 | 1085 | MOV.B @(disp, Rm), R0 {:
|
nkeynes@359 | 1086 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 1087 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 1088 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1089 | store_reg( R_EAX, 0 );
|
nkeynes@359 | 1090 | :}
|
nkeynes@374 | 1091 | MOV.L Rm, @Rn {:
|
nkeynes@361 | 1092 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1093 | load_reg( R_ECX, Rn );
|
nkeynes@374 | 1094 | check_walign32(R_ECX);
|
nkeynes@361 | 1095 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1096 | :}
|
nkeynes@361 | 1097 | MOV.L Rm, @-Rn {:
|
nkeynes@361 | 1098 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1099 | load_reg( R_ECX, Rn );
|
nkeynes@374 | 1100 | check_walign32( R_ECX );
|
nkeynes@361 | 1101 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@361 | 1102 | store_reg( R_ECX, Rn );
|
nkeynes@361 | 1103 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1104 | :}
|
nkeynes@361 | 1105 | MOV.L Rm, @(R0, Rn) {:
|
nkeynes@361 | 1106 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1107 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1108 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@374 | 1109 | check_walign32( R_ECX );
|
nkeynes@361 | 1110 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1111 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1112 | :}
|
nkeynes@361 | 1113 | MOV.L R0, @(disp, GBR) {:
|
nkeynes@361 | 1114 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 1115 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1116 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@374 | 1117 | check_walign32( R_ECX );
|
nkeynes@361 | 1118 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1119 | :}
|
nkeynes@361 | 1120 | MOV.L Rm, @(disp, Rn) {:
|
nkeynes@361 | 1121 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1122 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1123 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@374 | 1124 | check_walign32( R_ECX );
|
nkeynes@361 | 1125 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1126 | :}
|
nkeynes@361 | 1127 | MOV.L @Rm, Rn {:
|
nkeynes@361 | 1128 | load_reg( R_ECX, Rm );
|
nkeynes@374 | 1129 | check_ralign32( R_ECX );
|
nkeynes@361 | 1130 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1131 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 1132 | :}
|
nkeynes@361 | 1133 | MOV.L @Rm+, Rn {:
|
nkeynes@361 | 1134 | load_reg( R_EAX, Rm );
|
nkeynes@382 | 1135 | check_ralign32( R_EAX );
|
nkeynes@361 | 1136 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 1137 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@361 | 1138 | store_reg( R_EAX, Rm );
|
nkeynes@361 | 1139 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1140 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 1141 | :}
|
nkeynes@361 | 1142 | MOV.L @(R0, Rm), Rn {:
|
nkeynes@361 | 1143 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1144 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 1145 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@374 | 1146 | check_ralign32( R_ECX );
|
nkeynes@361 | 1147 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1148 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 1149 | :}
|
nkeynes@361 | 1150 | MOV.L @(disp, GBR), R0 {:
|
nkeynes@361 | 1151 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 1152 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@374 | 1153 | check_ralign32( R_ECX );
|
nkeynes@361 | 1154 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1155 | store_reg( R_EAX, 0 );
|
nkeynes@361 | 1156 | :}
|
nkeynes@361 | 1157 | MOV.L @(disp, PC), Rn {:
|
nkeynes@374 | 1158 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1159 | SLOTILLEGAL();
|
nkeynes@374 | 1160 | } else {
|
nkeynes@388 | 1161 | uint32_t target = (pc & 0xFFFFFFFC) + disp + 4;
|
nkeynes@388 | 1162 | char *ptr = mem_get_region(target);
|
nkeynes@388 | 1163 | if( ptr != NULL ) {
|
nkeynes@388 | 1164 | MOV_moff32_EAX( (uint32_t)ptr );
|
nkeynes@388 | 1165 | } else {
|
nkeynes@388 | 1166 | load_imm32( R_ECX, target );
|
nkeynes@388 | 1167 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@388 | 1168 | }
|
nkeynes@382 | 1169 | store_reg( R_EAX, Rn );
|
nkeynes@374 | 1170 | }
|
nkeynes@361 | 1171 | :}
|
nkeynes@361 | 1172 | MOV.L @(disp, Rm), Rn {:
|
nkeynes@361 | 1173 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 1174 | ADD_imm8s_r32( disp, R_ECX );
|
nkeynes@374 | 1175 | check_ralign32( R_ECX );
|
nkeynes@361 | 1176 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1177 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 1178 | :}
|
nkeynes@361 | 1179 | MOV.W Rm, @Rn {:
|
nkeynes@361 | 1180 | load_reg( R_ECX, Rn );
|
nkeynes@374 | 1181 | check_walign16( R_ECX );
|
nkeynes@382 | 1182 | load_reg( R_EAX, Rm );
|
nkeynes@382 | 1183 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1184 | :}
|
nkeynes@361 | 1185 | MOV.W Rm, @-Rn {:
|
nkeynes@361 | 1186 | load_reg( R_ECX, Rn );
|
nkeynes@374 | 1187 | check_walign16( R_ECX );
|
nkeynes@361 | 1188 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1189 | ADD_imm8s_r32( -2, R_ECX );
|
nkeynes@382 | 1190 | store_reg( R_ECX, Rn );
|
nkeynes@361 | 1191 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1192 | :}
|
nkeynes@361 | 1193 | MOV.W Rm, @(R0, Rn) {:
|
nkeynes@361 | 1194 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1195 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1196 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@374 | 1197 | check_walign16( R_ECX );
|
nkeynes@361 | 1198 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1199 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1200 | :}
|
nkeynes@361 | 1201 | MOV.W R0, @(disp, GBR) {:
|
nkeynes@361 | 1202 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 1203 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1204 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@374 | 1205 | check_walign16( R_ECX );
|
nkeynes@361 | 1206 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1207 | :}
|
nkeynes@361 | 1208 | MOV.W R0, @(disp, Rn) {:
|
nkeynes@361 | 1209 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1210 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1211 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@374 | 1212 | check_walign16( R_ECX );
|
nkeynes@361 | 1213 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1214 | :}
|
nkeynes@361 | 1215 | MOV.W @Rm, Rn {:
|
nkeynes@361 | 1216 | load_reg( R_ECX, Rm );
|
nkeynes@374 | 1217 | check_ralign16( R_ECX );
|
nkeynes@361 | 1218 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1219 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 1220 | :}
|
nkeynes@361 | 1221 | MOV.W @Rm+, Rn {:
|
nkeynes@361 | 1222 | load_reg( R_EAX, Rm );
|
nkeynes@374 | 1223 | check_ralign16( R_EAX );
|
nkeynes@361 | 1224 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 1225 | ADD_imm8s_r32( 2, R_EAX );
|
nkeynes@361 | 1226 | store_reg( R_EAX, Rm );
|
nkeynes@361 | 1227 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1228 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 1229 | :}
|
nkeynes@361 | 1230 | MOV.W @(R0, Rm), Rn {:
|
nkeynes@361 | 1231 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1232 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 1233 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@374 | 1234 | check_ralign16( R_ECX );
|
nkeynes@361 | 1235 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1236 | store_reg( R_EAX, Rn );
|
nkeynes@361 | 1237 | :}
|
nkeynes@361 | 1238 | MOV.W @(disp, GBR), R0 {:
|
nkeynes@361 | 1239 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 1240 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@374 | 1241 | check_ralign16( R_ECX );
|
nkeynes@361 | 1242 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1243 | store_reg( R_EAX, 0 );
|
nkeynes@361 | 1244 | :}
|
nkeynes@361 | 1245 | MOV.W @(disp, PC), Rn {:
|
nkeynes@374 | 1246 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1247 | SLOTILLEGAL();
|
nkeynes@374 | 1248 | } else {
|
nkeynes@374 | 1249 | load_imm32( R_ECX, pc + disp + 4 );
|
nkeynes@374 | 1250 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@374 | 1251 | store_reg( R_EAX, Rn );
|
nkeynes@374 | 1252 | }
|
nkeynes@361 | 1253 | :}
|
nkeynes@361 | 1254 | MOV.W @(disp, Rm), R0 {:
|
nkeynes@361 | 1255 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 1256 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@374 | 1257 | check_ralign16( R_ECX );
|
nkeynes@361 | 1258 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1259 | store_reg( R_EAX, 0 );
|
nkeynes@361 | 1260 | :}
|
nkeynes@361 | 1261 | MOVA @(disp, PC), R0 {:
|
nkeynes@374 | 1262 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1263 | SLOTILLEGAL();
|
nkeynes@374 | 1264 | } else {
|
nkeynes@374 | 1265 | load_imm32( R_ECX, (pc & 0xFFFFFFFC) + disp + 4 );
|
nkeynes@374 | 1266 | store_reg( R_ECX, 0 );
|
nkeynes@374 | 1267 | }
|
nkeynes@361 | 1268 | :}
|
nkeynes@361 | 1269 | MOVCA.L R0, @Rn {:
|
nkeynes@361 | 1270 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1271 | load_reg( R_ECX, Rn );
|
nkeynes@374 | 1272 | check_walign32( R_ECX );
|
nkeynes@361 | 1273 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1274 | :}
|
nkeynes@359 | 1275 |
|
nkeynes@359 | 1276 | /* Control transfer instructions */
|
nkeynes@374 | 1277 | BF disp {:
|
nkeynes@374 | 1278 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1279 | SLOTILLEGAL();
|
nkeynes@374 | 1280 | } else {
|
nkeynes@374 | 1281 | CMP_imm8s_sh4r( 0, R_T );
|
nkeynes@408 | 1282 | JNE_rel8( 30, nottaken );
|
nkeynes@408 | 1283 | exit_block( disp + pc + 4, pc+2 );
|
nkeynes@380 | 1284 | JMP_TARGET(nottaken);
|
nkeynes@408 | 1285 | exit_block( pc + 2, pc + 2 );
|
nkeynes@408 | 1286 | return 2;
|
nkeynes@374 | 1287 | }
|
nkeynes@374 | 1288 | :}
|
nkeynes@374 | 1289 | BF/S disp {:
|
nkeynes@374 | 1290 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1291 | SLOTILLEGAL();
|
nkeynes@374 | 1292 | } else {
|
nkeynes@408 | 1293 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@374 | 1294 | CMP_imm8s_sh4r( 0, R_T );
|
nkeynes@408 | 1295 | OP(0x0F); OP(0x85); uint32_t *patch = (uint32_t *)xlat_output; OP32(0); // JNE rel32
|
nkeynes@408 | 1296 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1297 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@408 | 1298 | // not taken
|
nkeynes@408 | 1299 | *patch = (xlat_output - ((uint8_t *)patch)) - 4;
|
nkeynes@408 | 1300 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1301 | exit_block( pc + 4, pc+4 );
|
nkeynes@408 | 1302 | return 4;
|
nkeynes@374 | 1303 | }
|
nkeynes@374 | 1304 | :}
|
nkeynes@374 | 1305 | BRA disp {:
|
nkeynes@374 | 1306 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1307 | SLOTILLEGAL();
|
nkeynes@374 | 1308 | } else {
|
nkeynes@374 | 1309 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@408 | 1310 | sh4_x86_translate_instruction( pc + 2 );
|
nkeynes@408 | 1311 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@408 | 1312 | return 4;
|
nkeynes@374 | 1313 | }
|
nkeynes@374 | 1314 | :}
|
nkeynes@374 | 1315 | BRAF Rn {:
|
nkeynes@374 | 1316 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1317 | SLOTILLEGAL();
|
nkeynes@374 | 1318 | } else {
|
nkeynes@408 | 1319 | load_reg( R_EAX, Rn );
|
nkeynes@408 | 1320 | ADD_imm32_r32( pc + 4, R_EAX );
|
nkeynes@408 | 1321 | store_spreg( R_EAX, REG_OFFSET(pc) );
|
nkeynes@374 | 1322 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@408 | 1323 | sh4_x86_translate_instruction( pc + 2 );
|
nkeynes@408 | 1324 | exit_block_pcset(pc+2);
|
nkeynes@408 | 1325 | return 4;
|
nkeynes@374 | 1326 | }
|
nkeynes@374 | 1327 | :}
|
nkeynes@374 | 1328 | BSR disp {:
|
nkeynes@374 | 1329 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1330 | SLOTILLEGAL();
|
nkeynes@374 | 1331 | } else {
|
nkeynes@374 | 1332 | load_imm32( R_EAX, pc + 4 );
|
nkeynes@374 | 1333 | store_spreg( R_EAX, R_PR );
|
nkeynes@374 | 1334 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@408 | 1335 | sh4_x86_translate_instruction( pc + 2 );
|
nkeynes@408 | 1336 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@408 | 1337 | return 4;
|
nkeynes@374 | 1338 | }
|
nkeynes@374 | 1339 | :}
|
nkeynes@374 | 1340 | BSRF Rn {:
|
nkeynes@374 | 1341 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1342 | SLOTILLEGAL();
|
nkeynes@374 | 1343 | } else {
|
nkeynes@408 | 1344 | load_imm32( R_ECX, pc + 4 );
|
nkeynes@408 | 1345 | store_spreg( R_ECX, R_PR );
|
nkeynes@408 | 1346 | ADD_sh4r_r32( REG_OFFSET(r[Rn]), R_ECX );
|
nkeynes@408 | 1347 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 1348 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@408 | 1349 | sh4_x86_translate_instruction( pc + 2 );
|
nkeynes@408 | 1350 | exit_block_pcset(pc+2);
|
nkeynes@408 | 1351 | return 4;
|
nkeynes@374 | 1352 | }
|
nkeynes@374 | 1353 | :}
|
nkeynes@374 | 1354 | BT disp {:
|
nkeynes@374 | 1355 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1356 | SLOTILLEGAL();
|
nkeynes@374 | 1357 | } else {
|
nkeynes@374 | 1358 | CMP_imm8s_sh4r( 0, R_T );
|
nkeynes@408 | 1359 | JE_rel8( 30, nottaken );
|
nkeynes@408 | 1360 | exit_block( disp + pc + 4, pc+2 );
|
nkeynes@380 | 1361 | JMP_TARGET(nottaken);
|
nkeynes@408 | 1362 | exit_block( pc + 2, pc+2 );
|
nkeynes@408 | 1363 | return 2;
|
nkeynes@374 | 1364 | }
|
nkeynes@374 | 1365 | :}
|
nkeynes@374 | 1366 | BT/S disp {:
|
nkeynes@374 | 1367 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1368 | SLOTILLEGAL();
|
nkeynes@374 | 1369 | } else {
|
nkeynes@408 | 1370 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@374 | 1371 | CMP_imm8s_sh4r( 0, R_T );
|
nkeynes@408 | 1372 | OP(0x0F); OP(0x84); uint32_t *patch = (uint32_t *)xlat_output; OP32(0); // JE rel32
|
nkeynes@408 | 1373 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1374 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@408 | 1375 | // not taken
|
nkeynes@408 | 1376 | *patch = (xlat_output - ((uint8_t *)patch)) - 4;
|
nkeynes@408 | 1377 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1378 | exit_block( pc + 4, pc+4 );
|
nkeynes@408 | 1379 | return 4;
|
nkeynes@374 | 1380 | }
|
nkeynes@374 | 1381 | :}
|
nkeynes@374 | 1382 | JMP @Rn {:
|
nkeynes@374 | 1383 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1384 | SLOTILLEGAL();
|
nkeynes@374 | 1385 | } else {
|
nkeynes@408 | 1386 | load_reg( R_ECX, Rn );
|
nkeynes@408 | 1387 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 1388 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@408 | 1389 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1390 | exit_block_pcset(pc+2);
|
nkeynes@408 | 1391 | return 4;
|
nkeynes@374 | 1392 | }
|
nkeynes@374 | 1393 | :}
|
nkeynes@374 | 1394 | JSR @Rn {:
|
nkeynes@374 | 1395 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1396 | SLOTILLEGAL();
|
nkeynes@374 | 1397 | } else {
|
nkeynes@374 | 1398 | load_imm32( R_EAX, pc + 4 );
|
nkeynes@374 | 1399 | store_spreg( R_EAX, R_PR );
|
nkeynes@408 | 1400 | load_reg( R_ECX, Rn );
|
nkeynes@408 | 1401 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 1402 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@408 | 1403 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1404 | exit_block_pcset(pc+2);
|
nkeynes@408 | 1405 | return 4;
|
nkeynes@374 | 1406 | }
|
nkeynes@374 | 1407 | :}
|
nkeynes@374 | 1408 | RTE {:
|
nkeynes@374 | 1409 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1410 | SLOTILLEGAL();
|
nkeynes@374 | 1411 | } else {
|
nkeynes@408 | 1412 | check_priv();
|
nkeynes@408 | 1413 | load_spreg( R_ECX, R_SPC );
|
nkeynes@408 | 1414 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 1415 | load_spreg( R_EAX, R_SSR );
|
nkeynes@374 | 1416 | call_func1( sh4_write_sr, R_EAX );
|
nkeynes@374 | 1417 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@377 | 1418 | sh4_x86.priv_checked = FALSE;
|
nkeynes@377 | 1419 | sh4_x86.fpuen_checked = FALSE;
|
nkeynes@408 | 1420 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1421 | exit_block_pcset(pc+2);
|
nkeynes@408 | 1422 | return 4;
|
nkeynes@374 | 1423 | }
|
nkeynes@374 | 1424 | :}
|
nkeynes@374 | 1425 | RTS {:
|
nkeynes@374 | 1426 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1427 | SLOTILLEGAL();
|
nkeynes@374 | 1428 | } else {
|
nkeynes@408 | 1429 | load_spreg( R_ECX, R_PR );
|
nkeynes@408 | 1430 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 1431 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@408 | 1432 | sh4_x86_translate_instruction(pc+2);
|
nkeynes@408 | 1433 | exit_block_pcset(pc+2);
|
nkeynes@408 | 1434 | return 4;
|
nkeynes@374 | 1435 | }
|
nkeynes@374 | 1436 | :}
|
nkeynes@374 | 1437 | TRAPA #imm {:
|
nkeynes@374 | 1438 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1439 | SLOTILLEGAL();
|
nkeynes@374 | 1440 | } else {
|
nkeynes@388 | 1441 | PUSH_imm32( imm );
|
nkeynes@388 | 1442 | call_func0( sh4_raise_trap );
|
nkeynes@388 | 1443 | ADD_imm8s_r32( 4, R_ESP );
|
nkeynes@408 | 1444 | exit_block_pcset(pc);
|
nkeynes@408 | 1445 | return 2;
|
nkeynes@374 | 1446 | }
|
nkeynes@374 | 1447 | :}
|
nkeynes@374 | 1448 | UNDEF {:
|
nkeynes@374 | 1449 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@382 | 1450 | SLOTILLEGAL();
|
nkeynes@374 | 1451 | } else {
|
nkeynes@386 | 1452 | JMP_exit(EXIT_ILLEGAL);
|
nkeynes@408 | 1453 | return 2;
|
nkeynes@374 | 1454 | }
|
nkeynes@368 | 1455 | :}
|
nkeynes@374 | 1456 |
|
nkeynes@374 | 1457 | CLRMAC {:
|
nkeynes@374 | 1458 | XOR_r32_r32(R_EAX, R_EAX);
|
nkeynes@374 | 1459 | store_spreg( R_EAX, R_MACL );
|
nkeynes@374 | 1460 | store_spreg( R_EAX, R_MACH );
|
nkeynes@368 | 1461 | :}
|
nkeynes@374 | 1462 | CLRS {:
|
nkeynes@374 | 1463 | CLC();
|
nkeynes@374 | 1464 | SETC_sh4r(R_S);
|
nkeynes@368 | 1465 | :}
|
nkeynes@374 | 1466 | CLRT {:
|
nkeynes@374 | 1467 | CLC();
|
nkeynes@374 | 1468 | SETC_t();
|
nkeynes@359 | 1469 | :}
|
nkeynes@374 | 1470 | SETS {:
|
nkeynes@374 | 1471 | STC();
|
nkeynes@374 | 1472 | SETC_sh4r(R_S);
|
nkeynes@359 | 1473 | :}
|
nkeynes@374 | 1474 | SETT {:
|
nkeynes@374 | 1475 | STC();
|
nkeynes@374 | 1476 | SETC_t();
|
nkeynes@374 | 1477 | :}
|
nkeynes@359 | 1478 |
|
nkeynes@375 | 1479 | /* Floating point moves */
|
nkeynes@375 | 1480 | FMOV FRm, FRn {:
|
nkeynes@375 | 1481 | /* As horrible as this looks, it's actually covering 5 separate cases:
|
nkeynes@375 | 1482 | * 1. 32-bit fr-to-fr (PR=0)
|
nkeynes@375 | 1483 | * 2. 64-bit dr-to-dr (PR=1, FRm&1 == 0, FRn&1 == 0 )
|
nkeynes@375 | 1484 | * 3. 64-bit dr-to-xd (PR=1, FRm&1 == 0, FRn&1 == 1 )
|
nkeynes@375 | 1485 | * 4. 64-bit xd-to-dr (PR=1, FRm&1 == 1, FRn&1 == 0 )
|
nkeynes@375 | 1486 | * 5. 64-bit xd-to-xd (PR=1, FRm&1 == 1, FRn&1 == 1 )
|
nkeynes@375 | 1487 | */
|
nkeynes@377 | 1488 | check_fpuen();
|
nkeynes@375 | 1489 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1490 | load_fr_bank( R_EDX );
|
nkeynes@375 | 1491 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@380 | 1492 | JNE_rel8(8, doublesize);
|
nkeynes@375 | 1493 | load_fr( R_EDX, R_EAX, FRm ); // PR=0 branch
|
nkeynes@375 | 1494 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@375 | 1495 | if( FRm&1 ) {
|
nkeynes@386 | 1496 | JMP_rel8(24, end);
|
nkeynes@380 | 1497 | JMP_TARGET(doublesize);
|
nkeynes@375 | 1498 | load_xf_bank( R_ECX );
|
nkeynes@375 | 1499 | load_fr( R_ECX, R_EAX, FRm-1 );
|
nkeynes@375 | 1500 | if( FRn&1 ) {
|
nkeynes@375 | 1501 | load_fr( R_ECX, R_EDX, FRm );
|
nkeynes@375 | 1502 | store_fr( R_ECX, R_EAX, FRn-1 );
|
nkeynes@375 | 1503 | store_fr( R_ECX, R_EDX, FRn );
|
nkeynes@375 | 1504 | } else /* FRn&1 == 0 */ {
|
nkeynes@375 | 1505 | load_fr( R_ECX, R_ECX, FRm );
|
nkeynes@388 | 1506 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@388 | 1507 | store_fr( R_EDX, R_ECX, FRn+1 );
|
nkeynes@375 | 1508 | }
|
nkeynes@380 | 1509 | JMP_TARGET(end);
|
nkeynes@375 | 1510 | } else /* FRm&1 == 0 */ {
|
nkeynes@375 | 1511 | if( FRn&1 ) {
|
nkeynes@386 | 1512 | JMP_rel8(24, end);
|
nkeynes@375 | 1513 | load_xf_bank( R_ECX );
|
nkeynes@375 | 1514 | load_fr( R_EDX, R_EAX, FRm );
|
nkeynes@375 | 1515 | load_fr( R_EDX, R_EDX, FRm+1 );
|
nkeynes@375 | 1516 | store_fr( R_ECX, R_EAX, FRn-1 );
|
nkeynes@375 | 1517 | store_fr( R_ECX, R_EDX, FRn );
|
nkeynes@380 | 1518 | JMP_TARGET(end);
|
nkeynes@375 | 1519 | } else /* FRn&1 == 0 */ {
|
nkeynes@380 | 1520 | JMP_rel8(12, end);
|
nkeynes@375 | 1521 | load_fr( R_EDX, R_EAX, FRm );
|
nkeynes@375 | 1522 | load_fr( R_EDX, R_ECX, FRm+1 );
|
nkeynes@375 | 1523 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@375 | 1524 | store_fr( R_EDX, R_ECX, FRn+1 );
|
nkeynes@380 | 1525 | JMP_TARGET(end);
|
nkeynes@375 | 1526 | }
|
nkeynes@375 | 1527 | }
|
nkeynes@375 | 1528 | :}
|
nkeynes@375 | 1529 | FMOV FRm, @Rn {:
|
nkeynes@377 | 1530 | check_fpuen();
|
nkeynes@375 | 1531 | load_reg( R_EDX, Rn );
|
nkeynes@375 | 1532 | check_walign32( R_EDX );
|
nkeynes@375 | 1533 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@375 | 1534 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@380 | 1535 | JNE_rel8(20, doublesize);
|
nkeynes@377 | 1536 | load_fr_bank( R_ECX );
|
nkeynes@375 | 1537 | load_fr( R_ECX, R_EAX, FRm );
|
nkeynes@375 | 1538 | MEM_WRITE_LONG( R_EDX, R_EAX ); // 12
|
nkeynes@375 | 1539 | if( FRm&1 ) {
|
nkeynes@386 | 1540 | JMP_rel8( 48, end );
|
nkeynes@380 | 1541 | JMP_TARGET(doublesize);
|
nkeynes@375 | 1542 | load_xf_bank( R_ECX );
|
nkeynes@380 | 1543 | load_fr( R_ECX, R_EAX, FRm&0x0E );
|
nkeynes@380 | 1544 | load_fr( R_ECX, R_ECX, FRm|0x01 );
|
nkeynes@380 | 1545 | MEM_WRITE_DOUBLE( R_EDX, R_EAX, R_ECX );
|
nkeynes@380 | 1546 | JMP_TARGET(end);
|
nkeynes@375 | 1547 | } else {
|
nkeynes@380 | 1548 | JMP_rel8( 39, end );
|
nkeynes@380 | 1549 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1550 | load_fr_bank( R_ECX );
|
nkeynes@380 | 1551 | load_fr( R_ECX, R_EAX, FRm&0x0E );
|
nkeynes@380 | 1552 | load_fr( R_ECX, R_ECX, FRm|0x01 );
|
nkeynes@380 | 1553 | MEM_WRITE_DOUBLE( R_EDX, R_EAX, R_ECX );
|
nkeynes@380 | 1554 | JMP_TARGET(end);
|
nkeynes@375 | 1555 | }
|
nkeynes@375 | 1556 | :}
|
nkeynes@375 | 1557 | FMOV @Rm, FRn {:
|
nkeynes@377 | 1558 | check_fpuen();
|
nkeynes@375 | 1559 | load_reg( R_EDX, Rm );
|
nkeynes@375 | 1560 | check_ralign32( R_EDX );
|
nkeynes@375 | 1561 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@375 | 1562 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@380 | 1563 | JNE_rel8(19, doublesize);
|
nkeynes@375 | 1564 | MEM_READ_LONG( R_EDX, R_EAX );
|
nkeynes@377 | 1565 | load_fr_bank( R_ECX );
|
nkeynes@375 | 1566 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@375 | 1567 | if( FRn&1 ) {
|
nkeynes@386 | 1568 | JMP_rel8(48, end);
|
nkeynes@380 | 1569 | JMP_TARGET(doublesize);
|
nkeynes@375 | 1570 | MEM_READ_DOUBLE( R_EDX, R_EAX, R_EDX );
|
nkeynes@375 | 1571 | load_spreg( R_ECX, R_FPSCR ); // assume read_long clobbered it
|
nkeynes@375 | 1572 | load_xf_bank( R_ECX );
|
nkeynes@380 | 1573 | store_fr( R_ECX, R_EAX, FRn&0x0E );
|
nkeynes@380 | 1574 | store_fr( R_ECX, R_EDX, FRn|0x01 );
|
nkeynes@380 | 1575 | JMP_TARGET(end);
|
nkeynes@375 | 1576 | } else {
|
nkeynes@380 | 1577 | JMP_rel8(36, end);
|
nkeynes@380 | 1578 | JMP_TARGET(doublesize);
|
nkeynes@375 | 1579 | MEM_READ_DOUBLE( R_EDX, R_EAX, R_EDX );
|
nkeynes@377 | 1580 | load_fr_bank( R_ECX );
|
nkeynes@380 | 1581 | store_fr( R_ECX, R_EAX, FRn&0x0E );
|
nkeynes@380 | 1582 | store_fr( R_ECX, R_EDX, FRn|0x01 );
|
nkeynes@380 | 1583 | JMP_TARGET(end);
|
nkeynes@375 | 1584 | }
|
nkeynes@375 | 1585 | :}
|
nkeynes@377 | 1586 | FMOV FRm, @-Rn {:
|
nkeynes@377 | 1587 | check_fpuen();
|
nkeynes@377 | 1588 | load_reg( R_EDX, Rn );
|
nkeynes@377 | 1589 | check_walign32( R_EDX );
|
nkeynes@377 | 1590 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1591 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@382 | 1592 | JNE_rel8(26, doublesize);
|
nkeynes@377 | 1593 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1594 | load_fr( R_ECX, R_EAX, FRm );
|
nkeynes@377 | 1595 | ADD_imm8s_r32(-4,R_EDX);
|
nkeynes@377 | 1596 | store_reg( R_EDX, Rn );
|
nkeynes@377 | 1597 | MEM_WRITE_LONG( R_EDX, R_EAX ); // 12
|
nkeynes@377 | 1598 | if( FRm&1 ) {
|
nkeynes@386 | 1599 | JMP_rel8( 54, end );
|
nkeynes@380 | 1600 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1601 | load_xf_bank( R_ECX );
|
nkeynes@380 | 1602 | load_fr( R_ECX, R_EAX, FRm&0x0E );
|
nkeynes@380 | 1603 | load_fr( R_ECX, R_ECX, FRm|0x01 );
|
nkeynes@380 | 1604 | ADD_imm8s_r32(-8,R_EDX);
|
nkeynes@380 | 1605 | store_reg( R_EDX, Rn );
|
nkeynes@380 | 1606 | MEM_WRITE_DOUBLE( R_EDX, R_EAX, R_ECX );
|
nkeynes@380 | 1607 | JMP_TARGET(end);
|
nkeynes@377 | 1608 | } else {
|
nkeynes@382 | 1609 | JMP_rel8( 45, end );
|
nkeynes@380 | 1610 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1611 | load_fr_bank( R_ECX );
|
nkeynes@380 | 1612 | load_fr( R_ECX, R_EAX, FRm&0x0E );
|
nkeynes@380 | 1613 | load_fr( R_ECX, R_ECX, FRm|0x01 );
|
nkeynes@380 | 1614 | ADD_imm8s_r32(-8,R_EDX);
|
nkeynes@380 | 1615 | store_reg( R_EDX, Rn );
|
nkeynes@380 | 1616 | MEM_WRITE_DOUBLE( R_EDX, R_EAX, R_ECX );
|
nkeynes@380 | 1617 | JMP_TARGET(end);
|
nkeynes@377 | 1618 | }
|
nkeynes@377 | 1619 | :}
|
nkeynes@377 | 1620 | FMOV @Rm+, FRn {:
|
nkeynes@377 | 1621 | check_fpuen();
|
nkeynes@377 | 1622 | load_reg( R_EDX, Rm );
|
nkeynes@377 | 1623 | check_ralign32( R_EDX );
|
nkeynes@377 | 1624 | MOV_r32_r32( R_EDX, R_EAX );
|
nkeynes@377 | 1625 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1626 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@380 | 1627 | JNE_rel8(25, doublesize);
|
nkeynes@377 | 1628 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@377 | 1629 | store_reg( R_EAX, Rm );
|
nkeynes@377 | 1630 | MEM_READ_LONG( R_EDX, R_EAX );
|
nkeynes@377 | 1631 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1632 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@377 | 1633 | if( FRn&1 ) {
|
nkeynes@386 | 1634 | JMP_rel8(54, end);
|
nkeynes@380 | 1635 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1636 | ADD_imm8s_r32( 8, R_EAX );
|
nkeynes@377 | 1637 | store_reg(R_EAX, Rm);
|
nkeynes@377 | 1638 | MEM_READ_DOUBLE( R_EDX, R_EAX, R_EDX );
|
nkeynes@377 | 1639 | load_spreg( R_ECX, R_FPSCR ); // assume read_long clobbered it
|
nkeynes@377 | 1640 | load_xf_bank( R_ECX );
|
nkeynes@380 | 1641 | store_fr( R_ECX, R_EAX, FRn&0x0E );
|
nkeynes@380 | 1642 | store_fr( R_ECX, R_EDX, FRn|0x01 );
|
nkeynes@380 | 1643 | JMP_TARGET(end);
|
nkeynes@377 | 1644 | } else {
|
nkeynes@380 | 1645 | JMP_rel8(42, end);
|
nkeynes@377 | 1646 | ADD_imm8s_r32( 8, R_EAX );
|
nkeynes@377 | 1647 | store_reg(R_EAX, Rm);
|
nkeynes@377 | 1648 | MEM_READ_DOUBLE( R_EDX, R_EAX, R_EDX );
|
nkeynes@377 | 1649 | load_fr_bank( R_ECX );
|
nkeynes@380 | 1650 | store_fr( R_ECX, R_EAX, FRn&0x0E );
|
nkeynes@380 | 1651 | store_fr( R_ECX, R_EDX, FRn|0x01 );
|
nkeynes@380 | 1652 | JMP_TARGET(end);
|
nkeynes@377 | 1653 | }
|
nkeynes@377 | 1654 | :}
|
nkeynes@377 | 1655 | FMOV FRm, @(R0, Rn) {:
|
nkeynes@377 | 1656 | check_fpuen();
|
nkeynes@377 | 1657 | load_reg( R_EDX, Rn );
|
nkeynes@377 | 1658 | ADD_sh4r_r32( REG_OFFSET(r[0]), R_EDX );
|
nkeynes@377 | 1659 | check_walign32( R_EDX );
|
nkeynes@377 | 1660 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1661 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@380 | 1662 | JNE_rel8(20, doublesize);
|
nkeynes@377 | 1663 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1664 | load_fr( R_ECX, R_EAX, FRm );
|
nkeynes@377 | 1665 | MEM_WRITE_LONG( R_EDX, R_EAX ); // 12
|
nkeynes@377 | 1666 | if( FRm&1 ) {
|
nkeynes@386 | 1667 | JMP_rel8( 48, end );
|
nkeynes@380 | 1668 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1669 | load_xf_bank( R_ECX );
|
nkeynes@380 | 1670 | load_fr( R_ECX, R_EAX, FRm&0x0E );
|
nkeynes@380 | 1671 | load_fr( R_ECX, R_ECX, FRm|0x01 );
|
nkeynes@380 | 1672 | MEM_WRITE_DOUBLE( R_EDX, R_EAX, R_ECX );
|
nkeynes@380 | 1673 | JMP_TARGET(end);
|
nkeynes@377 | 1674 | } else {
|
nkeynes@380 | 1675 | JMP_rel8( 39, end );
|
nkeynes@380 | 1676 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1677 | load_fr_bank( R_ECX );
|
nkeynes@380 | 1678 | load_fr( R_ECX, R_EAX, FRm&0x0E );
|
nkeynes@380 | 1679 | load_fr( R_ECX, R_ECX, FRm|0x01 );
|
nkeynes@380 | 1680 | MEM_WRITE_DOUBLE( R_EDX, R_EAX, R_ECX );
|
nkeynes@380 | 1681 | JMP_TARGET(end);
|
nkeynes@377 | 1682 | }
|
nkeynes@377 | 1683 | :}
|
nkeynes@377 | 1684 | FMOV @(R0, Rm), FRn {:
|
nkeynes@377 | 1685 | check_fpuen();
|
nkeynes@377 | 1686 | load_reg( R_EDX, Rm );
|
nkeynes@377 | 1687 | ADD_sh4r_r32( REG_OFFSET(r[0]), R_EDX );
|
nkeynes@377 | 1688 | check_ralign32( R_EDX );
|
nkeynes@377 | 1689 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1690 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@380 | 1691 | JNE_rel8(19, doublesize);
|
nkeynes@377 | 1692 | MEM_READ_LONG( R_EDX, R_EAX );
|
nkeynes@377 | 1693 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1694 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@377 | 1695 | if( FRn&1 ) {
|
nkeynes@386 | 1696 | JMP_rel8(48, end);
|
nkeynes@380 | 1697 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1698 | MEM_READ_DOUBLE( R_EDX, R_EAX, R_EDX );
|
nkeynes@377 | 1699 | load_spreg( R_ECX, R_FPSCR ); // assume read_long clobbered it
|
nkeynes@377 | 1700 | load_xf_bank( R_ECX );
|
nkeynes@380 | 1701 | store_fr( R_ECX, R_EAX, FRn&0x0E );
|
nkeynes@380 | 1702 | store_fr( R_ECX, R_EDX, FRn|0x01 );
|
nkeynes@380 | 1703 | JMP_TARGET(end);
|
nkeynes@377 | 1704 | } else {
|
nkeynes@380 | 1705 | JMP_rel8(36, end);
|
nkeynes@380 | 1706 | JMP_TARGET(doublesize);
|
nkeynes@377 | 1707 | MEM_READ_DOUBLE( R_EDX, R_EAX, R_EDX );
|
nkeynes@377 | 1708 | load_fr_bank( R_ECX );
|
nkeynes@380 | 1709 | store_fr( R_ECX, R_EAX, FRn&0x0E );
|
nkeynes@380 | 1710 | store_fr( R_ECX, R_EDX, FRn|0x01 );
|
nkeynes@380 | 1711 | JMP_TARGET(end);
|
nkeynes@377 | 1712 | }
|
nkeynes@377 | 1713 | :}
|
nkeynes@377 | 1714 | FLDI0 FRn {: /* IFF PR=0 */
|
nkeynes@377 | 1715 | check_fpuen();
|
nkeynes@377 | 1716 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1717 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 1718 | JNE_rel8(8, end);
|
nkeynes@377 | 1719 | XOR_r32_r32( R_EAX, R_EAX );
|
nkeynes@377 | 1720 | load_spreg( R_ECX, REG_OFFSET(fr_bank) );
|
nkeynes@377 | 1721 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@380 | 1722 | JMP_TARGET(end);
|
nkeynes@377 | 1723 | :}
|
nkeynes@377 | 1724 | FLDI1 FRn {: /* IFF PR=0 */
|
nkeynes@377 | 1725 | check_fpuen();
|
nkeynes@377 | 1726 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1727 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 1728 | JNE_rel8(11, end);
|
nkeynes@377 | 1729 | load_imm32(R_EAX, 0x3F800000);
|
nkeynes@377 | 1730 | load_spreg( R_ECX, REG_OFFSET(fr_bank) );
|
nkeynes@377 | 1731 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@380 | 1732 | JMP_TARGET(end);
|
nkeynes@377 | 1733 | :}
|
nkeynes@377 | 1734 |
|
nkeynes@377 | 1735 | FLOAT FPUL, FRn {:
|
nkeynes@377 | 1736 | check_fpuen();
|
nkeynes@377 | 1737 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1738 | load_spreg(R_EDX, REG_OFFSET(fr_bank));
|
nkeynes@377 | 1739 | FILD_sh4r(R_FPUL);
|
nkeynes@377 | 1740 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 1741 | JNE_rel8(5, doubleprec);
|
nkeynes@377 | 1742 | pop_fr( R_EDX, FRn );
|
nkeynes@380 | 1743 | JMP_rel8(3, end);
|
nkeynes@380 | 1744 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1745 | pop_dr( R_EDX, FRn );
|
nkeynes@380 | 1746 | JMP_TARGET(end);
|
nkeynes@377 | 1747 | :}
|
nkeynes@377 | 1748 | FTRC FRm, FPUL {:
|
nkeynes@377 | 1749 | check_fpuen();
|
nkeynes@388 | 1750 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 1751 | load_fr_bank( R_EDX );
|
nkeynes@388 | 1752 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@388 | 1753 | JNE_rel8(5, doubleprec);
|
nkeynes@388 | 1754 | push_fr( R_EDX, FRm );
|
nkeynes@388 | 1755 | JMP_rel8(3, doop);
|
nkeynes@388 | 1756 | JMP_TARGET(doubleprec);
|
nkeynes@388 | 1757 | push_dr( R_EDX, FRm );
|
nkeynes@388 | 1758 | JMP_TARGET( doop );
|
nkeynes@388 | 1759 | load_imm32( R_ECX, (uint32_t)&max_int );
|
nkeynes@388 | 1760 | FILD_r32ind( R_ECX );
|
nkeynes@388 | 1761 | FCOMIP_st(1);
|
nkeynes@394 | 1762 | JNA_rel8( 32, sat );
|
nkeynes@388 | 1763 | load_imm32( R_ECX, (uint32_t)&min_int ); // 5
|
nkeynes@388 | 1764 | FILD_r32ind( R_ECX ); // 2
|
nkeynes@388 | 1765 | FCOMIP_st(1); // 2
|
nkeynes@394 | 1766 | JAE_rel8( 21, sat2 ); // 2
|
nkeynes@394 | 1767 | load_imm32( R_EAX, (uint32_t)&save_fcw );
|
nkeynes@394 | 1768 | FNSTCW_r32ind( R_EAX );
|
nkeynes@394 | 1769 | load_imm32( R_EDX, (uint32_t)&trunc_fcw );
|
nkeynes@394 | 1770 | FLDCW_r32ind( R_EDX );
|
nkeynes@388 | 1771 | FISTP_sh4r(R_FPUL); // 3
|
nkeynes@394 | 1772 | FLDCW_r32ind( R_EAX );
|
nkeynes@388 | 1773 | JMP_rel8( 9, end ); // 2
|
nkeynes@388 | 1774 |
|
nkeynes@388 | 1775 | JMP_TARGET(sat);
|
nkeynes@388 | 1776 | JMP_TARGET(sat2);
|
nkeynes@388 | 1777 | MOV_r32ind_r32( R_ECX, R_ECX ); // 2
|
nkeynes@388 | 1778 | store_spreg( R_ECX, R_FPUL );
|
nkeynes@388 | 1779 | FPOP_st();
|
nkeynes@388 | 1780 | JMP_TARGET(end);
|
nkeynes@377 | 1781 | :}
|
nkeynes@377 | 1782 | FLDS FRm, FPUL {:
|
nkeynes@377 | 1783 | check_fpuen();
|
nkeynes@377 | 1784 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1785 | load_fr( R_ECX, R_EAX, FRm );
|
nkeynes@377 | 1786 | store_spreg( R_EAX, R_FPUL );
|
nkeynes@377 | 1787 | :}
|
nkeynes@377 | 1788 | FSTS FPUL, FRn {:
|
nkeynes@377 | 1789 | check_fpuen();
|
nkeynes@377 | 1790 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1791 | load_spreg( R_EAX, R_FPUL );
|
nkeynes@377 | 1792 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@377 | 1793 | :}
|
nkeynes@377 | 1794 | FCNVDS FRm, FPUL {:
|
nkeynes@377 | 1795 | check_fpuen();
|
nkeynes@377 | 1796 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1797 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 1798 | JE_rel8(9, end); // only when PR=1
|
nkeynes@377 | 1799 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1800 | push_dr( R_ECX, FRm );
|
nkeynes@377 | 1801 | pop_fpul();
|
nkeynes@380 | 1802 | JMP_TARGET(end);
|
nkeynes@377 | 1803 | :}
|
nkeynes@377 | 1804 | FCNVSD FPUL, FRn {:
|
nkeynes@377 | 1805 | check_fpuen();
|
nkeynes@377 | 1806 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1807 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 1808 | JE_rel8(9, end); // only when PR=1
|
nkeynes@377 | 1809 | load_fr_bank( R_ECX );
|
nkeynes@377 | 1810 | push_fpul();
|
nkeynes@377 | 1811 | pop_dr( R_ECX, FRn );
|
nkeynes@380 | 1812 | JMP_TARGET(end);
|
nkeynes@377 | 1813 | :}
|
nkeynes@375 | 1814 |
|
nkeynes@359 | 1815 | /* Floating point instructions */
|
nkeynes@374 | 1816 | FABS FRn {:
|
nkeynes@377 | 1817 | check_fpuen();
|
nkeynes@374 | 1818 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1819 | load_fr_bank( R_EDX );
|
nkeynes@374 | 1820 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 1821 | JNE_rel8(10, doubleprec);
|
nkeynes@374 | 1822 | push_fr(R_EDX, FRn); // 3
|
nkeynes@374 | 1823 | FABS_st0(); // 2
|
nkeynes@374 | 1824 | pop_fr( R_EDX, FRn); //3
|
nkeynes@380 | 1825 | JMP_rel8(8,end); // 2
|
nkeynes@380 | 1826 | JMP_TARGET(doubleprec);
|
nkeynes@374 | 1827 | push_dr(R_EDX, FRn);
|
nkeynes@374 | 1828 | FABS_st0();
|
nkeynes@374 | 1829 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 1830 | JMP_TARGET(end);
|
nkeynes@374 | 1831 | :}
|
nkeynes@377 | 1832 | FADD FRm, FRn {:
|
nkeynes@377 | 1833 | check_fpuen();
|
nkeynes@375 | 1834 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@375 | 1835 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1836 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1837 | JNE_rel8(13,doubleprec);
|
nkeynes@377 | 1838 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 1839 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 1840 | FADDP_st(1);
|
nkeynes@377 | 1841 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 1842 | JMP_rel8(11,end);
|
nkeynes@380 | 1843 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1844 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 1845 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 1846 | FADDP_st(1);
|
nkeynes@377 | 1847 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 1848 | JMP_TARGET(end);
|
nkeynes@375 | 1849 | :}
|
nkeynes@377 | 1850 | FDIV FRm, FRn {:
|
nkeynes@377 | 1851 | check_fpuen();
|
nkeynes@375 | 1852 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@375 | 1853 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1854 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1855 | JNE_rel8(13, doubleprec);
|
nkeynes@377 | 1856 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 1857 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 1858 | FDIVP_st(1);
|
nkeynes@377 | 1859 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 1860 | JMP_rel8(11, end);
|
nkeynes@380 | 1861 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1862 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 1863 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 1864 | FDIVP_st(1);
|
nkeynes@377 | 1865 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 1866 | JMP_TARGET(end);
|
nkeynes@375 | 1867 | :}
|
nkeynes@375 | 1868 | FMAC FR0, FRm, FRn {:
|
nkeynes@377 | 1869 | check_fpuen();
|
nkeynes@375 | 1870 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@375 | 1871 | load_spreg( R_EDX, REG_OFFSET(fr_bank));
|
nkeynes@375 | 1872 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 1873 | JNE_rel8(18, doubleprec);
|
nkeynes@375 | 1874 | push_fr( R_EDX, 0 );
|
nkeynes@375 | 1875 | push_fr( R_EDX, FRm );
|
nkeynes@375 | 1876 | FMULP_st(1);
|
nkeynes@375 | 1877 | push_fr( R_EDX, FRn );
|
nkeynes@375 | 1878 | FADDP_st(1);
|
nkeynes@375 | 1879 | pop_fr( R_EDX, FRn );
|
nkeynes@380 | 1880 | JMP_rel8(16, end);
|
nkeynes@380 | 1881 | JMP_TARGET(doubleprec);
|
nkeynes@375 | 1882 | push_dr( R_EDX, 0 );
|
nkeynes@375 | 1883 | push_dr( R_EDX, FRm );
|
nkeynes@375 | 1884 | FMULP_st(1);
|
nkeynes@375 | 1885 | push_dr( R_EDX, FRn );
|
nkeynes@375 | 1886 | FADDP_st(1);
|
nkeynes@375 | 1887 | pop_dr( R_EDX, FRn );
|
nkeynes@380 | 1888 | JMP_TARGET(end);
|
nkeynes@375 | 1889 | :}
|
nkeynes@375 | 1890 |
|
nkeynes@377 | 1891 | FMUL FRm, FRn {:
|
nkeynes@377 | 1892 | check_fpuen();
|
nkeynes@377 | 1893 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1894 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1895 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1896 | JNE_rel8(13, doubleprec);
|
nkeynes@377 | 1897 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 1898 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 1899 | FMULP_st(1);
|
nkeynes@377 | 1900 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 1901 | JMP_rel8(11, end);
|
nkeynes@380 | 1902 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1903 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 1904 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 1905 | FMULP_st(1);
|
nkeynes@377 | 1906 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 1907 | JMP_TARGET(end);
|
nkeynes@377 | 1908 | :}
|
nkeynes@377 | 1909 | FNEG FRn {:
|
nkeynes@377 | 1910 | check_fpuen();
|
nkeynes@377 | 1911 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1912 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1913 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1914 | JNE_rel8(10, doubleprec);
|
nkeynes@377 | 1915 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 1916 | FCHS_st0();
|
nkeynes@377 | 1917 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 1918 | JMP_rel8(8, end);
|
nkeynes@380 | 1919 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1920 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 1921 | FCHS_st0();
|
nkeynes@377 | 1922 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 1923 | JMP_TARGET(end);
|
nkeynes@377 | 1924 | :}
|
nkeynes@377 | 1925 | FSRRA FRn {:
|
nkeynes@377 | 1926 | check_fpuen();
|
nkeynes@377 | 1927 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1928 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1929 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1930 | JNE_rel8(12, end); // PR=0 only
|
nkeynes@377 | 1931 | FLD1_st0();
|
nkeynes@377 | 1932 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 1933 | FSQRT_st0();
|
nkeynes@377 | 1934 | FDIVP_st(1);
|
nkeynes@377 | 1935 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 1936 | JMP_TARGET(end);
|
nkeynes@377 | 1937 | :}
|
nkeynes@377 | 1938 | FSQRT FRn {:
|
nkeynes@377 | 1939 | check_fpuen();
|
nkeynes@377 | 1940 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1941 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1942 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1943 | JNE_rel8(10, doubleprec);
|
nkeynes@377 | 1944 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 1945 | FSQRT_st0();
|
nkeynes@377 | 1946 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 1947 | JMP_rel8(8, end);
|
nkeynes@380 | 1948 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1949 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 1950 | FSQRT_st0();
|
nkeynes@377 | 1951 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 1952 | JMP_TARGET(end);
|
nkeynes@377 | 1953 | :}
|
nkeynes@377 | 1954 | FSUB FRm, FRn {:
|
nkeynes@377 | 1955 | check_fpuen();
|
nkeynes@377 | 1956 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1957 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1958 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1959 | JNE_rel8(13, doubleprec);
|
nkeynes@377 | 1960 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 1961 | push_fr(R_EDX, FRm);
|
nkeynes@388 | 1962 | FSUBP_st(1);
|
nkeynes@377 | 1963 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 1964 | JMP_rel8(11, end);
|
nkeynes@380 | 1965 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1966 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 1967 | push_dr(R_EDX, FRm);
|
nkeynes@388 | 1968 | FSUBP_st(1);
|
nkeynes@377 | 1969 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 1970 | JMP_TARGET(end);
|
nkeynes@377 | 1971 | :}
|
nkeynes@377 | 1972 |
|
nkeynes@377 | 1973 | FCMP/EQ FRm, FRn {:
|
nkeynes@377 | 1974 | check_fpuen();
|
nkeynes@377 | 1975 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1976 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1977 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1978 | JNE_rel8(8, doubleprec);
|
nkeynes@377 | 1979 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 1980 | push_fr(R_EDX, FRn);
|
nkeynes@380 | 1981 | JMP_rel8(6, end);
|
nkeynes@380 | 1982 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 1983 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 1984 | push_dr(R_EDX, FRn);
|
nkeynes@382 | 1985 | JMP_TARGET(end);
|
nkeynes@377 | 1986 | FCOMIP_st(1);
|
nkeynes@377 | 1987 | SETE_t();
|
nkeynes@377 | 1988 | FPOP_st();
|
nkeynes@377 | 1989 | :}
|
nkeynes@377 | 1990 | FCMP/GT FRm, FRn {:
|
nkeynes@377 | 1991 | check_fpuen();
|
nkeynes@377 | 1992 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 1993 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 1994 | load_fr_bank( R_EDX );
|
nkeynes@380 | 1995 | JNE_rel8(8, doubleprec);
|
nkeynes@377 | 1996 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 1997 | push_fr(R_EDX, FRn);
|
nkeynes@380 | 1998 | JMP_rel8(6, end);
|
nkeynes@380 | 1999 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 2000 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 2001 | push_dr(R_EDX, FRn);
|
nkeynes@380 | 2002 | JMP_TARGET(end);
|
nkeynes@377 | 2003 | FCOMIP_st(1);
|
nkeynes@377 | 2004 | SETA_t();
|
nkeynes@377 | 2005 | FPOP_st();
|
nkeynes@377 | 2006 | :}
|
nkeynes@377 | 2007 |
|
nkeynes@377 | 2008 | FSCA FPUL, FRn {:
|
nkeynes@377 | 2009 | check_fpuen();
|
nkeynes@388 | 2010 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 2011 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@388 | 2012 | JNE_rel8( 21, doubleprec );
|
nkeynes@388 | 2013 | load_fr_bank( R_ECX );
|
nkeynes@388 | 2014 | ADD_imm8s_r32( (FRn&0x0E)<<2, R_ECX );
|
nkeynes@388 | 2015 | load_spreg( R_EDX, R_FPUL );
|
nkeynes@388 | 2016 | call_func2( sh4_fsca, R_EDX, R_ECX );
|
nkeynes@388 | 2017 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 2018 | :}
|
nkeynes@377 | 2019 | FIPR FVm, FVn {:
|
nkeynes@377 | 2020 | check_fpuen();
|
nkeynes@388 | 2021 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 2022 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@388 | 2023 | JNE_rel8(44, doubleprec);
|
nkeynes@388 | 2024 |
|
nkeynes@388 | 2025 | load_fr_bank( R_ECX );
|
nkeynes@388 | 2026 | push_fr( R_ECX, FVm<<2 );
|
nkeynes@388 | 2027 | push_fr( R_ECX, FVn<<2 );
|
nkeynes@388 | 2028 | FMULP_st(1);
|
nkeynes@388 | 2029 | push_fr( R_ECX, (FVm<<2)+1);
|
nkeynes@388 | 2030 | push_fr( R_ECX, (FVn<<2)+1);
|
nkeynes@388 | 2031 | FMULP_st(1);
|
nkeynes@388 | 2032 | FADDP_st(1);
|
nkeynes@388 | 2033 | push_fr( R_ECX, (FVm<<2)+2);
|
nkeynes@388 | 2034 | push_fr( R_ECX, (FVn<<2)+2);
|
nkeynes@388 | 2035 | FMULP_st(1);
|
nkeynes@388 | 2036 | FADDP_st(1);
|
nkeynes@388 | 2037 | push_fr( R_ECX, (FVm<<2)+3);
|
nkeynes@388 | 2038 | push_fr( R_ECX, (FVn<<2)+3);
|
nkeynes@388 | 2039 | FMULP_st(1);
|
nkeynes@388 | 2040 | FADDP_st(1);
|
nkeynes@388 | 2041 | pop_fr( R_ECX, (FVn<<2)+3);
|
nkeynes@388 | 2042 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 2043 | :}
|
nkeynes@377 | 2044 | FTRV XMTRX, FVn {:
|
nkeynes@377 | 2045 | check_fpuen();
|
nkeynes@388 | 2046 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 2047 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@388 | 2048 | JNE_rel8( 30, doubleprec );
|
nkeynes@388 | 2049 | load_fr_bank( R_EDX ); // 3
|
nkeynes@388 | 2050 | ADD_imm8s_r32( FVn<<4, R_EDX ); // 3
|
nkeynes@388 | 2051 | load_xf_bank( R_ECX ); // 12
|
nkeynes@388 | 2052 | call_func2( sh4_ftrv, R_EDX, R_ECX ); // 12
|
nkeynes@388 | 2053 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 2054 | :}
|
nkeynes@377 | 2055 |
|
nkeynes@377 | 2056 | FRCHG {:
|
nkeynes@377 | 2057 | check_fpuen();
|
nkeynes@377 | 2058 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 2059 | XOR_imm32_r32( FPSCR_FR, R_ECX );
|
nkeynes@377 | 2060 | store_spreg( R_ECX, R_FPSCR );
|
nkeynes@386 | 2061 | update_fr_bank( R_ECX );
|
nkeynes@377 | 2062 | :}
|
nkeynes@377 | 2063 | FSCHG {:
|
nkeynes@377 | 2064 | check_fpuen();
|
nkeynes@377 | 2065 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 2066 | XOR_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@377 | 2067 | store_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 2068 | :}
|
nkeynes@359 | 2069 |
|
nkeynes@359 | 2070 | /* Processor control instructions */
|
nkeynes@368 | 2071 | LDC Rm, SR {:
|
nkeynes@386 | 2072 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@386 | 2073 | SLOTILLEGAL();
|
nkeynes@386 | 2074 | } else {
|
nkeynes@386 | 2075 | check_priv();
|
nkeynes@386 | 2076 | load_reg( R_EAX, Rm );
|
nkeynes@386 | 2077 | call_func1( sh4_write_sr, R_EAX );
|
nkeynes@386 | 2078 | sh4_x86.priv_checked = FALSE;
|
nkeynes@386 | 2079 | sh4_x86.fpuen_checked = FALSE;
|
nkeynes@386 | 2080 | }
|
nkeynes@368 | 2081 | :}
|
nkeynes@359 | 2082 | LDC Rm, GBR {:
|
nkeynes@359 | 2083 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2084 | store_spreg( R_EAX, R_GBR );
|
nkeynes@359 | 2085 | :}
|
nkeynes@359 | 2086 | LDC Rm, VBR {:
|
nkeynes@386 | 2087 | check_priv();
|
nkeynes@359 | 2088 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2089 | store_spreg( R_EAX, R_VBR );
|
nkeynes@359 | 2090 | :}
|
nkeynes@359 | 2091 | LDC Rm, SSR {:
|
nkeynes@386 | 2092 | check_priv();
|
nkeynes@359 | 2093 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2094 | store_spreg( R_EAX, R_SSR );
|
nkeynes@359 | 2095 | :}
|
nkeynes@359 | 2096 | LDC Rm, SGR {:
|
nkeynes@386 | 2097 | check_priv();
|
nkeynes@359 | 2098 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2099 | store_spreg( R_EAX, R_SGR );
|
nkeynes@359 | 2100 | :}
|
nkeynes@359 | 2101 | LDC Rm, SPC {:
|
nkeynes@386 | 2102 | check_priv();
|
nkeynes@359 | 2103 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2104 | store_spreg( R_EAX, R_SPC );
|
nkeynes@359 | 2105 | :}
|
nkeynes@359 | 2106 | LDC Rm, DBR {:
|
nkeynes@386 | 2107 | check_priv();
|
nkeynes@359 | 2108 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2109 | store_spreg( R_EAX, R_DBR );
|
nkeynes@359 | 2110 | :}
|
nkeynes@374 | 2111 | LDC Rm, Rn_BANK {:
|
nkeynes@386 | 2112 | check_priv();
|
nkeynes@374 | 2113 | load_reg( R_EAX, Rm );
|
nkeynes@374 | 2114 | store_spreg( R_EAX, REG_OFFSET(r_bank[Rn_BANK]) );
|
nkeynes@374 | 2115 | :}
|
nkeynes@359 | 2116 | LDC.L @Rm+, GBR {:
|
nkeynes@359 | 2117 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2118 | check_ralign32( R_EAX );
|
nkeynes@359 | 2119 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2120 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2121 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2122 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2123 | store_spreg( R_EAX, R_GBR );
|
nkeynes@359 | 2124 | :}
|
nkeynes@368 | 2125 | LDC.L @Rm+, SR {:
|
nkeynes@386 | 2126 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@386 | 2127 | SLOTILLEGAL();
|
nkeynes@386 | 2128 | } else {
|
nkeynes@386 | 2129 | check_priv();
|
nkeynes@386 | 2130 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2131 | check_ralign32( R_EAX );
|
nkeynes@386 | 2132 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 2133 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@386 | 2134 | store_reg( R_EAX, Rm );
|
nkeynes@386 | 2135 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@386 | 2136 | call_func1( sh4_write_sr, R_EAX );
|
nkeynes@386 | 2137 | sh4_x86.priv_checked = FALSE;
|
nkeynes@386 | 2138 | sh4_x86.fpuen_checked = FALSE;
|
nkeynes@386 | 2139 | }
|
nkeynes@359 | 2140 | :}
|
nkeynes@359 | 2141 | LDC.L @Rm+, VBR {:
|
nkeynes@386 | 2142 | check_priv();
|
nkeynes@359 | 2143 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2144 | check_ralign32( R_EAX );
|
nkeynes@359 | 2145 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2146 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2147 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2148 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2149 | store_spreg( R_EAX, R_VBR );
|
nkeynes@359 | 2150 | :}
|
nkeynes@359 | 2151 | LDC.L @Rm+, SSR {:
|
nkeynes@386 | 2152 | check_priv();
|
nkeynes@359 | 2153 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2154 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2155 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2156 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2157 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2158 | store_spreg( R_EAX, R_SSR );
|
nkeynes@359 | 2159 | :}
|
nkeynes@359 | 2160 | LDC.L @Rm+, SGR {:
|
nkeynes@386 | 2161 | check_priv();
|
nkeynes@359 | 2162 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2163 | check_ralign32( R_EAX );
|
nkeynes@359 | 2164 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2165 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2166 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2167 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2168 | store_spreg( R_EAX, R_SGR );
|
nkeynes@359 | 2169 | :}
|
nkeynes@359 | 2170 | LDC.L @Rm+, SPC {:
|
nkeynes@386 | 2171 | check_priv();
|
nkeynes@359 | 2172 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2173 | check_ralign32( R_EAX );
|
nkeynes@359 | 2174 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2175 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2176 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2177 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2178 | store_spreg( R_EAX, R_SPC );
|
nkeynes@359 | 2179 | :}
|
nkeynes@359 | 2180 | LDC.L @Rm+, DBR {:
|
nkeynes@386 | 2181 | check_priv();
|
nkeynes@359 | 2182 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2183 | check_ralign32( R_EAX );
|
nkeynes@359 | 2184 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2185 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2186 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2187 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2188 | store_spreg( R_EAX, R_DBR );
|
nkeynes@359 | 2189 | :}
|
nkeynes@359 | 2190 | LDC.L @Rm+, Rn_BANK {:
|
nkeynes@386 | 2191 | check_priv();
|
nkeynes@374 | 2192 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2193 | check_ralign32( R_EAX );
|
nkeynes@374 | 2194 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@374 | 2195 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@374 | 2196 | store_reg( R_EAX, Rm );
|
nkeynes@374 | 2197 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@374 | 2198 | store_spreg( R_EAX, REG_OFFSET(r_bank[Rn_BANK]) );
|
nkeynes@359 | 2199 | :}
|
nkeynes@359 | 2200 | LDS Rm, FPSCR {:
|
nkeynes@359 | 2201 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2202 | store_spreg( R_EAX, R_FPSCR );
|
nkeynes@386 | 2203 | update_fr_bank( R_EAX );
|
nkeynes@359 | 2204 | :}
|
nkeynes@359 | 2205 | LDS.L @Rm+, FPSCR {:
|
nkeynes@359 | 2206 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2207 | check_ralign32( R_EAX );
|
nkeynes@359 | 2208 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2209 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2210 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2211 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2212 | store_spreg( R_EAX, R_FPSCR );
|
nkeynes@386 | 2213 | update_fr_bank( R_EAX );
|
nkeynes@359 | 2214 | :}
|
nkeynes@359 | 2215 | LDS Rm, FPUL {:
|
nkeynes@359 | 2216 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2217 | store_spreg( R_EAX, R_FPUL );
|
nkeynes@359 | 2218 | :}
|
nkeynes@359 | 2219 | LDS.L @Rm+, FPUL {:
|
nkeynes@359 | 2220 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2221 | check_ralign32( R_EAX );
|
nkeynes@359 | 2222 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2223 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2224 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2225 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2226 | store_spreg( R_EAX, R_FPUL );
|
nkeynes@359 | 2227 | :}
|
nkeynes@359 | 2228 | LDS Rm, MACH {:
|
nkeynes@359 | 2229 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2230 | store_spreg( R_EAX, R_MACH );
|
nkeynes@359 | 2231 | :}
|
nkeynes@359 | 2232 | LDS.L @Rm+, MACH {:
|
nkeynes@359 | 2233 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2234 | check_ralign32( R_EAX );
|
nkeynes@359 | 2235 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2236 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2237 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2238 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2239 | store_spreg( R_EAX, R_MACH );
|
nkeynes@359 | 2240 | :}
|
nkeynes@359 | 2241 | LDS Rm, MACL {:
|
nkeynes@359 | 2242 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2243 | store_spreg( R_EAX, R_MACL );
|
nkeynes@359 | 2244 | :}
|
nkeynes@359 | 2245 | LDS.L @Rm+, MACL {:
|
nkeynes@359 | 2246 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2247 | check_ralign32( R_EAX );
|
nkeynes@359 | 2248 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2249 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2250 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2251 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2252 | store_spreg( R_EAX, R_MACL );
|
nkeynes@359 | 2253 | :}
|
nkeynes@359 | 2254 | LDS Rm, PR {:
|
nkeynes@359 | 2255 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2256 | store_spreg( R_EAX, R_PR );
|
nkeynes@359 | 2257 | :}
|
nkeynes@359 | 2258 | LDS.L @Rm+, PR {:
|
nkeynes@359 | 2259 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2260 | check_ralign32( R_EAX );
|
nkeynes@359 | 2261 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2262 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2263 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2264 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2265 | store_spreg( R_EAX, R_PR );
|
nkeynes@359 | 2266 | :}
|
nkeynes@359 | 2267 | LDTLB {: :}
|
nkeynes@359 | 2268 | OCBI @Rn {: :}
|
nkeynes@359 | 2269 | OCBP @Rn {: :}
|
nkeynes@359 | 2270 | OCBWB @Rn {: :}
|
nkeynes@374 | 2271 | PREF @Rn {:
|
nkeynes@374 | 2272 | load_reg( R_EAX, Rn );
|
nkeynes@374 | 2273 | PUSH_r32( R_EAX );
|
nkeynes@374 | 2274 | AND_imm32_r32( 0xFC000000, R_EAX );
|
nkeynes@374 | 2275 | CMP_imm32_r32( 0xE0000000, R_EAX );
|
nkeynes@380 | 2276 | JNE_rel8(7, end);
|
nkeynes@374 | 2277 | call_func0( sh4_flush_store_queue );
|
nkeynes@380 | 2278 | JMP_TARGET(end);
|
nkeynes@377 | 2279 | ADD_imm8s_r32( 4, R_ESP );
|
nkeynes@374 | 2280 | :}
|
nkeynes@388 | 2281 | SLEEP {:
|
nkeynes@388 | 2282 | check_priv();
|
nkeynes@388 | 2283 | call_func0( sh4_sleep );
|
nkeynes@388 | 2284 | sh4_x86.in_delay_slot = FALSE;
|
nkeynes@394 | 2285 | INC_r32(R_ESI);
|
nkeynes@408 | 2286 | exit_block(pc+2, pc+2);
|
nkeynes@408 | 2287 | return 2;
|
nkeynes@388 | 2288 | :}
|
nkeynes@386 | 2289 | STC SR, Rn {:
|
nkeynes@386 | 2290 | check_priv();
|
nkeynes@386 | 2291 | call_func0(sh4_read_sr);
|
nkeynes@386 | 2292 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2293 | :}
|
nkeynes@359 | 2294 | STC GBR, Rn {:
|
nkeynes@359 | 2295 | load_spreg( R_EAX, R_GBR );
|
nkeynes@359 | 2296 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2297 | :}
|
nkeynes@359 | 2298 | STC VBR, Rn {:
|
nkeynes@386 | 2299 | check_priv();
|
nkeynes@359 | 2300 | load_spreg( R_EAX, R_VBR );
|
nkeynes@359 | 2301 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2302 | :}
|
nkeynes@359 | 2303 | STC SSR, Rn {:
|
nkeynes@386 | 2304 | check_priv();
|
nkeynes@359 | 2305 | load_spreg( R_EAX, R_SSR );
|
nkeynes@359 | 2306 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2307 | :}
|
nkeynes@359 | 2308 | STC SPC, Rn {:
|
nkeynes@386 | 2309 | check_priv();
|
nkeynes@359 | 2310 | load_spreg( R_EAX, R_SPC );
|
nkeynes@359 | 2311 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2312 | :}
|
nkeynes@359 | 2313 | STC SGR, Rn {:
|
nkeynes@386 | 2314 | check_priv();
|
nkeynes@359 | 2315 | load_spreg( R_EAX, R_SGR );
|
nkeynes@359 | 2316 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2317 | :}
|
nkeynes@359 | 2318 | STC DBR, Rn {:
|
nkeynes@386 | 2319 | check_priv();
|
nkeynes@359 | 2320 | load_spreg( R_EAX, R_DBR );
|
nkeynes@359 | 2321 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2322 | :}
|
nkeynes@374 | 2323 | STC Rm_BANK, Rn {:
|
nkeynes@386 | 2324 | check_priv();
|
nkeynes@374 | 2325 | load_spreg( R_EAX, REG_OFFSET(r_bank[Rm_BANK]) );
|
nkeynes@374 | 2326 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2327 | :}
|
nkeynes@374 | 2328 | STC.L SR, @-Rn {:
|
nkeynes@386 | 2329 | check_priv();
|
nkeynes@395 | 2330 | call_func0( sh4_read_sr );
|
nkeynes@368 | 2331 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2332 | check_walign32( R_ECX );
|
nkeynes@382 | 2333 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@368 | 2334 | store_reg( R_ECX, Rn );
|
nkeynes@368 | 2335 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2336 | :}
|
nkeynes@359 | 2337 | STC.L VBR, @-Rn {:
|
nkeynes@386 | 2338 | check_priv();
|
nkeynes@359 | 2339 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2340 | check_walign32( R_ECX );
|
nkeynes@382 | 2341 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2342 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2343 | load_spreg( R_EAX, R_VBR );
|
nkeynes@359 | 2344 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2345 | :}
|
nkeynes@359 | 2346 | STC.L SSR, @-Rn {:
|
nkeynes@386 | 2347 | check_priv();
|
nkeynes@359 | 2348 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2349 | check_walign32( R_ECX );
|
nkeynes@382 | 2350 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2351 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2352 | load_spreg( R_EAX, R_SSR );
|
nkeynes@359 | 2353 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2354 | :}
|
nkeynes@359 | 2355 | STC.L SPC, @-Rn {:
|
nkeynes@386 | 2356 | check_priv();
|
nkeynes@359 | 2357 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2358 | check_walign32( R_ECX );
|
nkeynes@382 | 2359 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2360 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2361 | load_spreg( R_EAX, R_SPC );
|
nkeynes@359 | 2362 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2363 | :}
|
nkeynes@359 | 2364 | STC.L SGR, @-Rn {:
|
nkeynes@386 | 2365 | check_priv();
|
nkeynes@359 | 2366 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2367 | check_walign32( R_ECX );
|
nkeynes@382 | 2368 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2369 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2370 | load_spreg( R_EAX, R_SGR );
|
nkeynes@359 | 2371 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2372 | :}
|
nkeynes@359 | 2373 | STC.L DBR, @-Rn {:
|
nkeynes@386 | 2374 | check_priv();
|
nkeynes@359 | 2375 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2376 | check_walign32( R_ECX );
|
nkeynes@382 | 2377 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2378 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2379 | load_spreg( R_EAX, R_DBR );
|
nkeynes@359 | 2380 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2381 | :}
|
nkeynes@374 | 2382 | STC.L Rm_BANK, @-Rn {:
|
nkeynes@386 | 2383 | check_priv();
|
nkeynes@374 | 2384 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2385 | check_walign32( R_ECX );
|
nkeynes@382 | 2386 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@374 | 2387 | store_reg( R_ECX, Rn );
|
nkeynes@374 | 2388 | load_spreg( R_EAX, REG_OFFSET(r_bank[Rm_BANK]) );
|
nkeynes@374 | 2389 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@374 | 2390 | :}
|
nkeynes@359 | 2391 | STC.L GBR, @-Rn {:
|
nkeynes@359 | 2392 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2393 | check_walign32( R_ECX );
|
nkeynes@382 | 2394 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2395 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2396 | load_spreg( R_EAX, R_GBR );
|
nkeynes@359 | 2397 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2398 | :}
|
nkeynes@359 | 2399 | STS FPSCR, Rn {:
|
nkeynes@359 | 2400 | load_spreg( R_EAX, R_FPSCR );
|
nkeynes@359 | 2401 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2402 | :}
|
nkeynes@359 | 2403 | STS.L FPSCR, @-Rn {:
|
nkeynes@359 | 2404 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2405 | check_walign32( R_ECX );
|
nkeynes@382 | 2406 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2407 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2408 | load_spreg( R_EAX, R_FPSCR );
|
nkeynes@359 | 2409 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2410 | :}
|
nkeynes@359 | 2411 | STS FPUL, Rn {:
|
nkeynes@359 | 2412 | load_spreg( R_EAX, R_FPUL );
|
nkeynes@359 | 2413 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2414 | :}
|
nkeynes@359 | 2415 | STS.L FPUL, @-Rn {:
|
nkeynes@359 | 2416 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2417 | check_walign32( R_ECX );
|
nkeynes@382 | 2418 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2419 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2420 | load_spreg( R_EAX, R_FPUL );
|
nkeynes@359 | 2421 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2422 | :}
|
nkeynes@359 | 2423 | STS MACH, Rn {:
|
nkeynes@359 | 2424 | load_spreg( R_EAX, R_MACH );
|
nkeynes@359 | 2425 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2426 | :}
|
nkeynes@359 | 2427 | STS.L MACH, @-Rn {:
|
nkeynes@359 | 2428 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2429 | check_walign32( R_ECX );
|
nkeynes@382 | 2430 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2431 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2432 | load_spreg( R_EAX, R_MACH );
|
nkeynes@359 | 2433 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2434 | :}
|
nkeynes@359 | 2435 | STS MACL, Rn {:
|
nkeynes@359 | 2436 | load_spreg( R_EAX, R_MACL );
|
nkeynes@359 | 2437 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2438 | :}
|
nkeynes@359 | 2439 | STS.L MACL, @-Rn {:
|
nkeynes@359 | 2440 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2441 | check_walign32( R_ECX );
|
nkeynes@382 | 2442 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2443 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2444 | load_spreg( R_EAX, R_MACL );
|
nkeynes@359 | 2445 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2446 | :}
|
nkeynes@359 | 2447 | STS PR, Rn {:
|
nkeynes@359 | 2448 | load_spreg( R_EAX, R_PR );
|
nkeynes@359 | 2449 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2450 | :}
|
nkeynes@359 | 2451 | STS.L PR, @-Rn {:
|
nkeynes@359 | 2452 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 2453 | check_walign32( R_ECX );
|
nkeynes@382 | 2454 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 2455 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2456 | load_spreg( R_EAX, R_PR );
|
nkeynes@359 | 2457 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2458 | :}
|
nkeynes@359 | 2459 |
|
nkeynes@359 | 2460 | NOP {: /* Do nothing. Well, we could emit an 0x90, but what would really be the point? */ :}
|
nkeynes@359 | 2461 | %%
|
nkeynes@374 | 2462 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@386 | 2463 | ADD_imm8s_r32(2,R_ESI);
|
nkeynes@374 | 2464 | sh4_x86.in_delay_slot = FALSE;
|
nkeynes@386 | 2465 | } else {
|
nkeynes@386 | 2466 | INC_r32(R_ESI);
|
nkeynes@374 | 2467 | }
|
nkeynes@359 | 2468 | return 0;
|
nkeynes@359 | 2469 | }
|