The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Tiny Code Generator for QEMU |
| 3 | * |
| 4 | * Copyright (c) 2008 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 25 | /* define it to use liveness analysis (better code) */ |
| 26 | #define USE_LIVENESS_ANALYSIS |
| 27 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 28 | #include "config.h" |
| 29 | |
David Turner | 6a9ef17 | 2010-09-09 22:54:36 +0200 | [diff] [blame] | 30 | #if !defined(CONFIG_DEBUG_TCG) && !defined(NDEBUG) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 31 | /* define it to suppress various consistency checks (faster) */ |
| 32 | #define NDEBUG |
| 33 | #endif |
| 34 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 35 | #include <stdarg.h> |
| 36 | #include <stdlib.h> |
| 37 | #include <stdio.h> |
| 38 | #include <string.h> |
| 39 | #include <inttypes.h> |
| 40 | #ifdef _WIN32 |
| 41 | #include <malloc.h> |
| 42 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 43 | #ifdef _AIX |
| 44 | #include <alloca.h> |
| 45 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 46 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 47 | #include "qemu-common.h" |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 48 | #include "cache-utils.h" |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 49 | #include "host-utils.h" |
David Turner | 6a9ef17 | 2010-09-09 22:54:36 +0200 | [diff] [blame] | 50 | #include "qemu-timer.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 51 | |
| 52 | /* Note: the long term plan is to reduce the dependancies on the QEMU |
| 53 | CPU definitions. Currently they are used for qemu_ld/st |
| 54 | instructions */ |
| 55 | #define NO_CPU_IO_DEFS |
| 56 | #include "cpu.h" |
| 57 | #include "exec-all.h" |
| 58 | |
| 59 | #include "tcg-op.h" |
| 60 | #include "elf.h" |
| 61 | |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 62 | #if defined(CONFIG_USE_GUEST_BASE) && !defined(TCG_TARGET_HAS_GUEST_BASE) |
| 63 | #error GUEST_BASE not supported on this host. |
| 64 | #endif |
| 65 | |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 66 | static void tcg_target_init(TCGContext *s); |
| 67 | static void tcg_target_qemu_prologue(TCGContext *s); |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 68 | static void patch_reloc(uint8_t *code_ptr, int type, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 69 | tcg_target_long value, tcg_target_long addend); |
| 70 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 71 | static TCGOpDef tcg_op_defs[] = { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 72 | #define DEF(s, oargs, iargs, cargs, flags) { #s, oargs, iargs, cargs, iargs + oargs + cargs, flags }, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 73 | #include "tcg-opc.h" |
| 74 | #undef DEF |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 75 | }; |
| 76 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 77 | static TCGRegSet tcg_target_available_regs[2]; |
| 78 | static TCGRegSet tcg_target_call_clobber_regs; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 79 | |
| 80 | /* XXX: move that inside the context */ |
| 81 | uint16_t *gen_opc_ptr; |
| 82 | TCGArg *gen_opparam_ptr; |
| 83 | |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 84 | #ifdef CONFIG_MEMCHECK |
| 85 | /* |
| 86 | * Memchecker addition in this module is intended to build a map that matches |
| 87 | * translated PC to a guest PC. Map is built in tcg_gen_code_common routine, |
| 88 | * and is saved into temporary gen_opc_tpc2gpc_ptr array, that later will be |
| 89 | * copied into the TranslationBlock that represents the translated code. |
| 90 | */ |
| 91 | #include "memcheck/memcheck_api.h" |
| 92 | #endif // CONFIG_MEMCHECK |
| 93 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 94 | static inline void tcg_out8(TCGContext *s, uint8_t v) |
| 95 | { |
| 96 | *s->code_ptr++ = v; |
| 97 | } |
| 98 | |
| 99 | static inline void tcg_out16(TCGContext *s, uint16_t v) |
| 100 | { |
| 101 | *(uint16_t *)s->code_ptr = v; |
| 102 | s->code_ptr += 2; |
| 103 | } |
| 104 | |
| 105 | static inline void tcg_out32(TCGContext *s, uint32_t v) |
| 106 | { |
| 107 | *(uint32_t *)s->code_ptr = v; |
| 108 | s->code_ptr += 4; |
| 109 | } |
| 110 | |
| 111 | /* label relocation processing */ |
| 112 | |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 113 | static void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 114 | int label_index, long addend) |
| 115 | { |
| 116 | TCGLabel *l; |
| 117 | TCGRelocation *r; |
| 118 | |
| 119 | l = &s->labels[label_index]; |
| 120 | if (l->has_value) { |
| 121 | /* FIXME: This may break relocations on RISC targets that |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 122 | modify instruction fields in place. The caller may not have |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 123 | written the initial value. */ |
| 124 | patch_reloc(code_ptr, type, l->u.value, addend); |
| 125 | } else { |
| 126 | /* add a new relocation entry */ |
| 127 | r = tcg_malloc(sizeof(TCGRelocation)); |
| 128 | r->type = type; |
| 129 | r->ptr = code_ptr; |
| 130 | r->addend = addend; |
| 131 | r->next = l->u.first_reloc; |
| 132 | l->u.first_reloc = r; |
| 133 | } |
| 134 | } |
| 135 | |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 136 | static void tcg_out_label(TCGContext *s, int label_index, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 137 | tcg_target_long value) |
| 138 | { |
| 139 | TCGLabel *l; |
| 140 | TCGRelocation *r; |
| 141 | |
| 142 | l = &s->labels[label_index]; |
| 143 | if (l->has_value) |
| 144 | tcg_abort(); |
| 145 | r = l->u.first_reloc; |
| 146 | while (r != NULL) { |
| 147 | patch_reloc(r->ptr, r->type, value, r->addend); |
| 148 | r = r->next; |
| 149 | } |
| 150 | l->has_value = 1; |
| 151 | l->u.value = value; |
| 152 | } |
| 153 | |
| 154 | int gen_new_label(void) |
| 155 | { |
| 156 | TCGContext *s = &tcg_ctx; |
| 157 | int idx; |
| 158 | TCGLabel *l; |
| 159 | |
| 160 | if (s->nb_labels >= TCG_MAX_LABELS) |
| 161 | tcg_abort(); |
| 162 | idx = s->nb_labels++; |
| 163 | l = &s->labels[idx]; |
| 164 | l->has_value = 0; |
| 165 | l->u.first_reloc = NULL; |
| 166 | return idx; |
| 167 | } |
| 168 | |
| 169 | #include "tcg-target.c" |
| 170 | |
| 171 | /* pool based memory allocation */ |
| 172 | void *tcg_malloc_internal(TCGContext *s, int size) |
| 173 | { |
| 174 | TCGPool *p; |
| 175 | int pool_size; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 176 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 177 | if (size > TCG_POOL_CHUNK_SIZE) { |
| 178 | /* big malloc: insert a new pool (XXX: could optimize) */ |
| 179 | p = qemu_malloc(sizeof(TCGPool) + size); |
| 180 | p->size = size; |
| 181 | if (s->pool_current) |
| 182 | s->pool_current->next = p; |
| 183 | else |
| 184 | s->pool_first = p; |
| 185 | p->next = s->pool_current; |
| 186 | } else { |
| 187 | p = s->pool_current; |
| 188 | if (!p) { |
| 189 | p = s->pool_first; |
| 190 | if (!p) |
| 191 | goto new_pool; |
| 192 | } else { |
| 193 | if (!p->next) { |
| 194 | new_pool: |
| 195 | pool_size = TCG_POOL_CHUNK_SIZE; |
| 196 | p = qemu_malloc(sizeof(TCGPool) + pool_size); |
| 197 | p->size = pool_size; |
| 198 | p->next = NULL; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 199 | if (s->pool_current) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 200 | s->pool_current->next = p; |
| 201 | else |
| 202 | s->pool_first = p; |
| 203 | } else { |
| 204 | p = p->next; |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | s->pool_current = p; |
| 209 | s->pool_cur = p->data + size; |
| 210 | s->pool_end = p->data + p->size; |
| 211 | return p->data; |
| 212 | } |
| 213 | |
| 214 | void tcg_pool_reset(TCGContext *s) |
| 215 | { |
| 216 | s->pool_cur = s->pool_end = NULL; |
| 217 | s->pool_current = NULL; |
| 218 | } |
| 219 | |
| 220 | void tcg_context_init(TCGContext *s) |
| 221 | { |
| 222 | int op, total_args, n; |
| 223 | TCGOpDef *def; |
| 224 | TCGArgConstraint *args_ct; |
| 225 | int *sorted_args; |
| 226 | |
| 227 | memset(s, 0, sizeof(*s)); |
| 228 | s->temps = s->static_temps; |
| 229 | s->nb_globals = 0; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 230 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 231 | /* Count total number of arguments and allocate the corresponding |
| 232 | space */ |
| 233 | total_args = 0; |
| 234 | for(op = 0; op < NB_OPS; op++) { |
| 235 | def = &tcg_op_defs[op]; |
| 236 | n = def->nb_iargs + def->nb_oargs; |
| 237 | total_args += n; |
| 238 | } |
| 239 | |
| 240 | args_ct = qemu_malloc(sizeof(TCGArgConstraint) * total_args); |
| 241 | sorted_args = qemu_malloc(sizeof(int) * total_args); |
| 242 | |
| 243 | for(op = 0; op < NB_OPS; op++) { |
| 244 | def = &tcg_op_defs[op]; |
| 245 | def->args_ct = args_ct; |
| 246 | def->sorted_args = sorted_args; |
| 247 | n = def->nb_iargs + def->nb_oargs; |
| 248 | sorted_args += n; |
| 249 | args_ct += n; |
| 250 | } |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 251 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 252 | tcg_target_init(s); |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 253 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 254 | |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 255 | void tcg_prologue_init(TCGContext *s) |
| 256 | { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 257 | /* init global prologue and epilogue */ |
| 258 | s->code_buf = code_gen_prologue; |
| 259 | s->code_ptr = s->code_buf; |
| 260 | tcg_target_qemu_prologue(s); |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 261 | flush_icache_range((unsigned long)s->code_buf, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 262 | (unsigned long)s->code_ptr); |
| 263 | } |
| 264 | |
| 265 | void tcg_set_frame(TCGContext *s, int reg, |
| 266 | tcg_target_long start, tcg_target_long size) |
| 267 | { |
| 268 | s->frame_start = start; |
| 269 | s->frame_end = start + size; |
| 270 | s->frame_reg = reg; |
| 271 | } |
| 272 | |
| 273 | void tcg_func_start(TCGContext *s) |
| 274 | { |
| 275 | int i; |
| 276 | tcg_pool_reset(s); |
| 277 | s->nb_temps = s->nb_globals; |
| 278 | for(i = 0; i < (TCG_TYPE_COUNT * 2); i++) |
| 279 | s->first_free_temp[i] = -1; |
| 280 | s->labels = tcg_malloc(sizeof(TCGLabel) * TCG_MAX_LABELS); |
| 281 | s->nb_labels = 0; |
| 282 | s->current_frame_offset = s->frame_start; |
| 283 | |
| 284 | gen_opc_ptr = gen_opc_buf; |
| 285 | gen_opparam_ptr = gen_opparam_buf; |
| 286 | } |
| 287 | |
| 288 | static inline void tcg_temp_alloc(TCGContext *s, int n) |
| 289 | { |
| 290 | if (n > TCG_MAX_TEMPS) |
| 291 | tcg_abort(); |
| 292 | } |
| 293 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 294 | static inline int tcg_global_reg_new_internal(TCGType type, int reg, |
| 295 | const char *name) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 296 | { |
| 297 | TCGContext *s = &tcg_ctx; |
| 298 | TCGTemp *ts; |
| 299 | int idx; |
| 300 | |
| 301 | #if TCG_TARGET_REG_BITS == 32 |
| 302 | if (type != TCG_TYPE_I32) |
| 303 | tcg_abort(); |
| 304 | #endif |
| 305 | if (tcg_regset_test_reg(s->reserved_regs, reg)) |
| 306 | tcg_abort(); |
| 307 | idx = s->nb_globals; |
| 308 | tcg_temp_alloc(s, s->nb_globals + 1); |
| 309 | ts = &s->temps[s->nb_globals]; |
| 310 | ts->base_type = type; |
| 311 | ts->type = type; |
| 312 | ts->fixed_reg = 1; |
| 313 | ts->reg = reg; |
| 314 | ts->name = name; |
| 315 | s->nb_globals++; |
| 316 | tcg_regset_set_reg(s->reserved_regs, reg); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 317 | return idx; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 318 | } |
| 319 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 320 | TCGv_i32 tcg_global_reg_new_i32(int reg, const char *name) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 321 | { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 322 | int idx; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 323 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 324 | idx = tcg_global_reg_new_internal(TCG_TYPE_I32, reg, name); |
| 325 | return MAKE_TCGV_I32(idx); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 326 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 327 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 328 | TCGv_i64 tcg_global_reg_new_i64(int reg, const char *name) |
| 329 | { |
| 330 | int idx; |
| 331 | |
| 332 | idx = tcg_global_reg_new_internal(TCG_TYPE_I64, reg, name); |
| 333 | return MAKE_TCGV_I64(idx); |
| 334 | } |
| 335 | |
| 336 | static inline int tcg_global_mem_new_internal(TCGType type, int reg, |
| 337 | tcg_target_long offset, |
| 338 | const char *name) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 339 | { |
| 340 | TCGContext *s = &tcg_ctx; |
| 341 | TCGTemp *ts; |
| 342 | int idx; |
| 343 | |
| 344 | idx = s->nb_globals; |
| 345 | #if TCG_TARGET_REG_BITS == 32 |
| 346 | if (type == TCG_TYPE_I64) { |
| 347 | char buf[64]; |
| 348 | tcg_temp_alloc(s, s->nb_globals + 2); |
| 349 | ts = &s->temps[s->nb_globals]; |
| 350 | ts->base_type = type; |
| 351 | ts->type = TCG_TYPE_I32; |
| 352 | ts->fixed_reg = 0; |
| 353 | ts->mem_allocated = 1; |
| 354 | ts->mem_reg = reg; |
| 355 | #ifdef TCG_TARGET_WORDS_BIGENDIAN |
| 356 | ts->mem_offset = offset + 4; |
| 357 | #else |
| 358 | ts->mem_offset = offset; |
| 359 | #endif |
| 360 | pstrcpy(buf, sizeof(buf), name); |
| 361 | pstrcat(buf, sizeof(buf), "_0"); |
| 362 | ts->name = strdup(buf); |
| 363 | ts++; |
| 364 | |
| 365 | ts->base_type = type; |
| 366 | ts->type = TCG_TYPE_I32; |
| 367 | ts->fixed_reg = 0; |
| 368 | ts->mem_allocated = 1; |
| 369 | ts->mem_reg = reg; |
| 370 | #ifdef TCG_TARGET_WORDS_BIGENDIAN |
| 371 | ts->mem_offset = offset; |
| 372 | #else |
| 373 | ts->mem_offset = offset + 4; |
| 374 | #endif |
| 375 | pstrcpy(buf, sizeof(buf), name); |
| 376 | pstrcat(buf, sizeof(buf), "_1"); |
| 377 | ts->name = strdup(buf); |
| 378 | |
| 379 | s->nb_globals += 2; |
| 380 | } else |
| 381 | #endif |
| 382 | { |
| 383 | tcg_temp_alloc(s, s->nb_globals + 1); |
| 384 | ts = &s->temps[s->nb_globals]; |
| 385 | ts->base_type = type; |
| 386 | ts->type = type; |
| 387 | ts->fixed_reg = 0; |
| 388 | ts->mem_allocated = 1; |
| 389 | ts->mem_reg = reg; |
| 390 | ts->mem_offset = offset; |
| 391 | ts->name = name; |
| 392 | s->nb_globals++; |
| 393 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 394 | return idx; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 395 | } |
| 396 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 397 | TCGv_i32 tcg_global_mem_new_i32(int reg, tcg_target_long offset, |
| 398 | const char *name) |
| 399 | { |
| 400 | int idx; |
| 401 | |
| 402 | idx = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name); |
| 403 | return MAKE_TCGV_I32(idx); |
| 404 | } |
| 405 | |
| 406 | TCGv_i64 tcg_global_mem_new_i64(int reg, tcg_target_long offset, |
| 407 | const char *name) |
| 408 | { |
| 409 | int idx; |
| 410 | |
| 411 | idx = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name); |
| 412 | return MAKE_TCGV_I64(idx); |
| 413 | } |
| 414 | |
| 415 | static inline int tcg_temp_new_internal(TCGType type, int temp_local) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 416 | { |
| 417 | TCGContext *s = &tcg_ctx; |
| 418 | TCGTemp *ts; |
| 419 | int idx, k; |
| 420 | |
| 421 | k = type; |
| 422 | if (temp_local) |
| 423 | k += TCG_TYPE_COUNT; |
| 424 | idx = s->first_free_temp[k]; |
| 425 | if (idx != -1) { |
| 426 | /* There is already an available temp with the |
| 427 | right type */ |
| 428 | ts = &s->temps[idx]; |
| 429 | s->first_free_temp[k] = ts->next_free_temp; |
| 430 | ts->temp_allocated = 1; |
| 431 | assert(ts->temp_local == temp_local); |
| 432 | } else { |
| 433 | idx = s->nb_temps; |
| 434 | #if TCG_TARGET_REG_BITS == 32 |
| 435 | if (type == TCG_TYPE_I64) { |
| 436 | tcg_temp_alloc(s, s->nb_temps + 2); |
| 437 | ts = &s->temps[s->nb_temps]; |
| 438 | ts->base_type = type; |
| 439 | ts->type = TCG_TYPE_I32; |
| 440 | ts->temp_allocated = 1; |
| 441 | ts->temp_local = temp_local; |
| 442 | ts->name = NULL; |
| 443 | ts++; |
| 444 | ts->base_type = TCG_TYPE_I32; |
| 445 | ts->type = TCG_TYPE_I32; |
| 446 | ts->temp_allocated = 1; |
| 447 | ts->temp_local = temp_local; |
| 448 | ts->name = NULL; |
| 449 | s->nb_temps += 2; |
| 450 | } else |
| 451 | #endif |
| 452 | { |
| 453 | tcg_temp_alloc(s, s->nb_temps + 1); |
| 454 | ts = &s->temps[s->nb_temps]; |
| 455 | ts->base_type = type; |
| 456 | ts->type = type; |
| 457 | ts->temp_allocated = 1; |
| 458 | ts->temp_local = temp_local; |
| 459 | ts->name = NULL; |
| 460 | s->nb_temps++; |
| 461 | } |
| 462 | } |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 463 | |
| 464 | #if defined(CONFIG_DEBUG_TCG) |
| 465 | s->temps_in_use++; |
| 466 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 467 | return idx; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 468 | } |
| 469 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 470 | TCGv_i32 tcg_temp_new_internal_i32(int temp_local) |
| 471 | { |
| 472 | int idx; |
| 473 | |
| 474 | idx = tcg_temp_new_internal(TCG_TYPE_I32, temp_local); |
| 475 | return MAKE_TCGV_I32(idx); |
| 476 | } |
| 477 | |
| 478 | TCGv_i64 tcg_temp_new_internal_i64(int temp_local) |
| 479 | { |
| 480 | int idx; |
| 481 | |
| 482 | idx = tcg_temp_new_internal(TCG_TYPE_I64, temp_local); |
| 483 | return MAKE_TCGV_I64(idx); |
| 484 | } |
| 485 | |
| 486 | static inline void tcg_temp_free_internal(int idx) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 487 | { |
| 488 | TCGContext *s = &tcg_ctx; |
| 489 | TCGTemp *ts; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 490 | int k; |
| 491 | |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 492 | #if defined(CONFIG_DEBUG_TCG) |
| 493 | s->temps_in_use--; |
| 494 | if (s->temps_in_use < 0) { |
| 495 | fprintf(stderr, "More temporaries freed than allocated!\n"); |
| 496 | } |
| 497 | #endif |
| 498 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 499 | assert(idx >= s->nb_globals && idx < s->nb_temps); |
| 500 | ts = &s->temps[idx]; |
| 501 | assert(ts->temp_allocated != 0); |
| 502 | ts->temp_allocated = 0; |
| 503 | k = ts->base_type; |
| 504 | if (ts->temp_local) |
| 505 | k += TCG_TYPE_COUNT; |
| 506 | ts->next_free_temp = s->first_free_temp[k]; |
| 507 | s->first_free_temp[k] = idx; |
| 508 | } |
| 509 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 510 | void tcg_temp_free_i32(TCGv_i32 arg) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 511 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 512 | tcg_temp_free_internal(GET_TCGV_I32(arg)); |
| 513 | } |
| 514 | |
| 515 | void tcg_temp_free_i64(TCGv_i64 arg) |
| 516 | { |
| 517 | tcg_temp_free_internal(GET_TCGV_I64(arg)); |
| 518 | } |
| 519 | |
| 520 | TCGv_i32 tcg_const_i32(int32_t val) |
| 521 | { |
| 522 | TCGv_i32 t0; |
| 523 | t0 = tcg_temp_new_i32(); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 524 | tcg_gen_movi_i32(t0, val); |
| 525 | return t0; |
| 526 | } |
| 527 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 528 | TCGv_i64 tcg_const_i64(int64_t val) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 529 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 530 | TCGv_i64 t0; |
| 531 | t0 = tcg_temp_new_i64(); |
| 532 | tcg_gen_movi_i64(t0, val); |
| 533 | return t0; |
| 534 | } |
| 535 | |
| 536 | TCGv_i32 tcg_const_local_i32(int32_t val) |
| 537 | { |
| 538 | TCGv_i32 t0; |
| 539 | t0 = tcg_temp_local_new_i32(); |
| 540 | tcg_gen_movi_i32(t0, val); |
| 541 | return t0; |
| 542 | } |
| 543 | |
| 544 | TCGv_i64 tcg_const_local_i64(int64_t val) |
| 545 | { |
| 546 | TCGv_i64 t0; |
| 547 | t0 = tcg_temp_local_new_i64(); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 548 | tcg_gen_movi_i64(t0, val); |
| 549 | return t0; |
| 550 | } |
| 551 | |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 552 | #if defined(CONFIG_DEBUG_TCG) |
| 553 | void tcg_clear_temp_count(void) |
| 554 | { |
| 555 | TCGContext *s = &tcg_ctx; |
| 556 | s->temps_in_use = 0; |
| 557 | } |
| 558 | |
| 559 | int tcg_check_temp_count(void) |
| 560 | { |
| 561 | TCGContext *s = &tcg_ctx; |
| 562 | if (s->temps_in_use) { |
| 563 | /* Clear the count so that we don't give another |
| 564 | * warning immediately next time around. |
| 565 | */ |
| 566 | s->temps_in_use = 0; |
| 567 | return 1; |
| 568 | } |
| 569 | return 0; |
| 570 | } |
| 571 | #endif |
| 572 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 573 | void tcg_register_helper(void *func, const char *name) |
| 574 | { |
| 575 | TCGContext *s = &tcg_ctx; |
| 576 | int n; |
| 577 | if ((s->nb_helpers + 1) > s->allocated_helpers) { |
| 578 | n = s->allocated_helpers; |
| 579 | if (n == 0) { |
| 580 | n = 4; |
| 581 | } else { |
| 582 | n *= 2; |
| 583 | } |
| 584 | s->helpers = realloc(s->helpers, n * sizeof(TCGHelperInfo)); |
| 585 | s->allocated_helpers = n; |
| 586 | } |
| 587 | s->helpers[s->nb_helpers].func = (tcg_target_ulong)func; |
| 588 | s->helpers[s->nb_helpers].name = name; |
| 589 | s->nb_helpers++; |
| 590 | } |
| 591 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 592 | /* Note: we convert the 64 bit args to 32 bit and do some alignment |
| 593 | and endian swap. Maybe it would be better to do the alignment |
| 594 | and endian swap in tcg_reg_alloc_call(). */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 595 | void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags, |
| 596 | int sizemask, TCGArg ret, int nargs, TCGArg *args) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 597 | { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 598 | #ifdef TCG_TARGET_I386 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 599 | int call_type; |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 600 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 601 | int i; |
| 602 | int real_args; |
| 603 | int nb_rets; |
| 604 | TCGArg *nparam; |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 605 | |
| 606 | #if defined(TCG_TARGET_EXTEND_ARGS) && TCG_TARGET_REG_BITS == 64 |
| 607 | for (i = 0; i < nargs; ++i) { |
| 608 | int is_64bit = sizemask & (1 << (i+1)*2); |
| 609 | int is_signed = sizemask & (2 << (i+1)*2); |
| 610 | if (!is_64bit) { |
| 611 | TCGv_i64 temp = tcg_temp_new_i64(); |
| 612 | TCGv_i64 orig = MAKE_TCGV_I64(args[i]); |
| 613 | if (is_signed) { |
| 614 | tcg_gen_ext32s_i64(temp, orig); |
| 615 | } else { |
| 616 | tcg_gen_ext32u_i64(temp, orig); |
| 617 | } |
| 618 | args[i] = GET_TCGV_I64(temp); |
| 619 | } |
| 620 | } |
| 621 | #endif /* TCG_TARGET_EXTEND_ARGS */ |
| 622 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 623 | *gen_opc_ptr++ = INDEX_op_call; |
| 624 | nparam = gen_opparam_ptr++; |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 625 | #ifdef TCG_TARGET_I386 |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 626 | call_type = (flags & TCG_CALL_TYPE_MASK); |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 627 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 628 | if (ret != TCG_CALL_DUMMY_ARG) { |
| 629 | #if TCG_TARGET_REG_BITS < 64 |
| 630 | if (sizemask & 1) { |
| 631 | #ifdef TCG_TARGET_WORDS_BIGENDIAN |
| 632 | *gen_opparam_ptr++ = ret + 1; |
| 633 | *gen_opparam_ptr++ = ret; |
| 634 | #else |
| 635 | *gen_opparam_ptr++ = ret; |
| 636 | *gen_opparam_ptr++ = ret + 1; |
| 637 | #endif |
| 638 | nb_rets = 2; |
| 639 | } else |
| 640 | #endif |
| 641 | { |
| 642 | *gen_opparam_ptr++ = ret; |
| 643 | nb_rets = 1; |
| 644 | } |
| 645 | } else { |
| 646 | nb_rets = 0; |
| 647 | } |
| 648 | real_args = 0; |
| 649 | for (i = 0; i < nargs; i++) { |
| 650 | #if TCG_TARGET_REG_BITS < 64 |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 651 | int is_64bit = sizemask & (1 << (i+1)*2); |
| 652 | if (is_64bit) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 653 | #ifdef TCG_TARGET_I386 |
| 654 | /* REGPARM case: if the third parameter is 64 bit, it is |
| 655 | allocated on the stack */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 656 | if (i == 2 && call_type == TCG_CALL_TYPE_REGPARM) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 657 | call_type = TCG_CALL_TYPE_REGPARM_2; |
| 658 | flags = (flags & ~TCG_CALL_TYPE_MASK) | call_type; |
| 659 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 660 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 661 | #ifdef TCG_TARGET_CALL_ALIGN_ARGS |
| 662 | /* some targets want aligned 64 bit args */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 663 | if (real_args & 1) { |
| 664 | *gen_opparam_ptr++ = TCG_CALL_DUMMY_ARG; |
| 665 | real_args++; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 666 | } |
| 667 | #endif |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 668 | /* If stack grows up, then we will be placing successive |
| 669 | arguments at lower addresses, which means we need to |
| 670 | reverse the order compared to how we would normally |
| 671 | treat either big or little-endian. For those arguments |
| 672 | that will wind up in registers, this still works for |
| 673 | HPPA (the only current STACK_GROWSUP target) since the |
| 674 | argument registers are *also* allocated in decreasing |
| 675 | order. If another such target is added, this logic may |
| 676 | have to get more complicated to differentiate between |
| 677 | stack arguments and register arguments. */ |
| 678 | #if defined(TCG_TARGET_WORDS_BIGENDIAN) != defined(TCG_TARGET_STACK_GROWSUP) |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 679 | *gen_opparam_ptr++ = args[i] + 1; |
| 680 | *gen_opparam_ptr++ = args[i]; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 681 | #else |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 682 | *gen_opparam_ptr++ = args[i]; |
| 683 | *gen_opparam_ptr++ = args[i] + 1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 684 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 685 | real_args += 2; |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 686 | continue; |
| 687 | } |
| 688 | #endif /* TCG_TARGET_REG_BITS < 64 */ |
| 689 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 690 | *gen_opparam_ptr++ = args[i]; |
| 691 | real_args++; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 692 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 693 | *gen_opparam_ptr++ = GET_TCGV_PTR(func); |
| 694 | |
| 695 | *gen_opparam_ptr++ = flags; |
| 696 | |
| 697 | *nparam = (nb_rets << 16) | (real_args + 1); |
| 698 | |
| 699 | /* total parameters, needed to go backward in the instruction stream */ |
| 700 | *gen_opparam_ptr++ = 1 + nb_rets + real_args + 3; |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 701 | |
| 702 | #if defined(TCG_TARGET_EXTEND_ARGS) && TCG_TARGET_REG_BITS == 64 |
| 703 | for (i = 0; i < nargs; ++i) { |
| 704 | int is_64bit = sizemask & (1 << (i+1)*2); |
| 705 | if (!is_64bit) { |
| 706 | TCGv_i64 temp = MAKE_TCGV_I64(args[i]); |
| 707 | tcg_temp_free_i64(temp); |
| 708 | } |
| 709 | } |
| 710 | #endif /* TCG_TARGET_EXTEND_ARGS */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 711 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 712 | |
| 713 | #if TCG_TARGET_REG_BITS == 32 |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 714 | void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 715 | int c, int right, int arith) |
| 716 | { |
| 717 | if (c == 0) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 718 | tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1)); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 719 | tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1)); |
| 720 | } else if (c >= 32) { |
| 721 | c -= 32; |
| 722 | if (right) { |
| 723 | if (arith) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 724 | tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 725 | tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), 31); |
| 726 | } else { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 727 | tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 728 | tcg_gen_movi_i32(TCGV_HIGH(ret), 0); |
| 729 | } |
| 730 | } else { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 731 | tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), c); |
| 732 | tcg_gen_movi_i32(TCGV_LOW(ret), 0); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 733 | } |
| 734 | } else { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 735 | TCGv_i32 t0, t1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 736 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 737 | t0 = tcg_temp_new_i32(); |
| 738 | t1 = tcg_temp_new_i32(); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 739 | if (right) { |
| 740 | tcg_gen_shli_i32(t0, TCGV_HIGH(arg1), 32 - c); |
| 741 | if (arith) |
| 742 | tcg_gen_sari_i32(t1, TCGV_HIGH(arg1), c); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 743 | else |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 744 | tcg_gen_shri_i32(t1, TCGV_HIGH(arg1), c); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 745 | tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c); |
| 746 | tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t0); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 747 | tcg_gen_mov_i32(TCGV_HIGH(ret), t1); |
| 748 | } else { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 749 | tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 750 | /* Note: ret can be the same as arg1, so we use t1 */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 751 | tcg_gen_shli_i32(t1, TCGV_LOW(arg1), c); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 752 | tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c); |
| 753 | tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t0); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 754 | tcg_gen_mov_i32(TCGV_LOW(ret), t1); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 755 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 756 | tcg_temp_free_i32(t0); |
| 757 | tcg_temp_free_i32(t1); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 758 | } |
| 759 | } |
| 760 | #endif |
| 761 | |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 762 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 763 | static void tcg_reg_alloc_start(TCGContext *s) |
| 764 | { |
| 765 | int i; |
| 766 | TCGTemp *ts; |
| 767 | for(i = 0; i < s->nb_globals; i++) { |
| 768 | ts = &s->temps[i]; |
| 769 | if (ts->fixed_reg) { |
| 770 | ts->val_type = TEMP_VAL_REG; |
| 771 | } else { |
| 772 | ts->val_type = TEMP_VAL_MEM; |
| 773 | } |
| 774 | } |
| 775 | for(i = s->nb_globals; i < s->nb_temps; i++) { |
| 776 | ts = &s->temps[i]; |
| 777 | ts->val_type = TEMP_VAL_DEAD; |
| 778 | ts->mem_allocated = 0; |
| 779 | ts->fixed_reg = 0; |
| 780 | } |
| 781 | for(i = 0; i < TCG_TARGET_NB_REGS; i++) { |
| 782 | s->reg_to_temp[i] = -1; |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | static char *tcg_get_arg_str_idx(TCGContext *s, char *buf, int buf_size, |
| 787 | int idx) |
| 788 | { |
| 789 | TCGTemp *ts; |
| 790 | |
| 791 | ts = &s->temps[idx]; |
| 792 | if (idx < s->nb_globals) { |
| 793 | pstrcpy(buf, buf_size, ts->name); |
| 794 | } else { |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 795 | if (ts->temp_local) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 796 | snprintf(buf, buf_size, "loc%d", idx - s->nb_globals); |
| 797 | else |
| 798 | snprintf(buf, buf_size, "tmp%d", idx - s->nb_globals); |
| 799 | } |
| 800 | return buf; |
| 801 | } |
| 802 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 803 | char *tcg_get_arg_str_i32(TCGContext *s, char *buf, int buf_size, TCGv_i32 arg) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 804 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 805 | return tcg_get_arg_str_idx(s, buf, buf_size, GET_TCGV_I32(arg)); |
| 806 | } |
| 807 | |
| 808 | char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int buf_size, TCGv_i64 arg) |
| 809 | { |
| 810 | return tcg_get_arg_str_idx(s, buf, buf_size, GET_TCGV_I64(arg)); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 811 | } |
| 812 | |
| 813 | static int helper_cmp(const void *p1, const void *p2) |
| 814 | { |
| 815 | const TCGHelperInfo *th1 = p1; |
| 816 | const TCGHelperInfo *th2 = p2; |
| 817 | if (th1->func < th2->func) |
| 818 | return -1; |
| 819 | else if (th1->func == th2->func) |
| 820 | return 0; |
| 821 | else |
| 822 | return 1; |
| 823 | } |
| 824 | |
| 825 | /* find helper definition (Note: A hash table would be better) */ |
| 826 | static TCGHelperInfo *tcg_find_helper(TCGContext *s, tcg_target_ulong val) |
| 827 | { |
| 828 | int m, m_min, m_max; |
| 829 | TCGHelperInfo *th; |
| 830 | tcg_target_ulong v; |
| 831 | |
| 832 | if (unlikely(!s->helpers_sorted)) { |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 833 | qsort(s->helpers, s->nb_helpers, sizeof(TCGHelperInfo), |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 834 | helper_cmp); |
| 835 | s->helpers_sorted = 1; |
| 836 | } |
| 837 | |
| 838 | /* binary search */ |
| 839 | m_min = 0; |
| 840 | m_max = s->nb_helpers - 1; |
| 841 | while (m_min <= m_max) { |
| 842 | m = (m_min + m_max) >> 1; |
| 843 | th = &s->helpers[m]; |
| 844 | v = th->func; |
| 845 | if (v == val) |
| 846 | return th; |
| 847 | else if (val < v) { |
| 848 | m_max = m - 1; |
| 849 | } else { |
| 850 | m_min = m + 1; |
| 851 | } |
| 852 | } |
| 853 | return NULL; |
| 854 | } |
| 855 | |
| 856 | static const char * const cond_name[] = |
| 857 | { |
| 858 | [TCG_COND_EQ] = "eq", |
| 859 | [TCG_COND_NE] = "ne", |
| 860 | [TCG_COND_LT] = "lt", |
| 861 | [TCG_COND_GE] = "ge", |
| 862 | [TCG_COND_LE] = "le", |
| 863 | [TCG_COND_GT] = "gt", |
| 864 | [TCG_COND_LTU] = "ltu", |
| 865 | [TCG_COND_GEU] = "geu", |
| 866 | [TCG_COND_LEU] = "leu", |
| 867 | [TCG_COND_GTU] = "gtu" |
| 868 | }; |
| 869 | |
| 870 | void tcg_dump_ops(TCGContext *s, FILE *outfile) |
| 871 | { |
| 872 | const uint16_t *opc_ptr; |
| 873 | const TCGArg *args; |
| 874 | TCGArg arg; |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 875 | TCGOpcode c; |
| 876 | int i, k, nb_oargs, nb_iargs, nb_cargs, first_insn; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 877 | const TCGOpDef *def; |
| 878 | char buf[128]; |
| 879 | |
| 880 | first_insn = 1; |
| 881 | opc_ptr = gen_opc_buf; |
| 882 | args = gen_opparam_buf; |
| 883 | while (opc_ptr < gen_opc_ptr) { |
| 884 | c = *opc_ptr++; |
| 885 | def = &tcg_op_defs[c]; |
| 886 | if (c == INDEX_op_debug_insn_start) { |
| 887 | uint64_t pc; |
| 888 | #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS |
| 889 | pc = ((uint64_t)args[1] << 32) | args[0]; |
| 890 | #else |
| 891 | pc = args[0]; |
| 892 | #endif |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 893 | if (!first_insn) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 894 | fprintf(outfile, "\n"); |
| 895 | fprintf(outfile, " ---- 0x%" PRIx64, pc); |
| 896 | first_insn = 0; |
| 897 | nb_oargs = def->nb_oargs; |
| 898 | nb_iargs = def->nb_iargs; |
| 899 | nb_cargs = def->nb_cargs; |
| 900 | } else if (c == INDEX_op_call) { |
| 901 | TCGArg arg; |
| 902 | |
| 903 | /* variable number of arguments */ |
| 904 | arg = *args++; |
| 905 | nb_oargs = arg >> 16; |
| 906 | nb_iargs = arg & 0xffff; |
| 907 | nb_cargs = def->nb_cargs; |
| 908 | |
| 909 | fprintf(outfile, " %s ", def->name); |
| 910 | |
| 911 | /* function name */ |
| 912 | fprintf(outfile, "%s", |
| 913 | tcg_get_arg_str_idx(s, buf, sizeof(buf), args[nb_oargs + nb_iargs - 1])); |
| 914 | /* flags */ |
| 915 | fprintf(outfile, ",$0x%" TCG_PRIlx, |
| 916 | args[nb_oargs + nb_iargs]); |
| 917 | /* nb out args */ |
| 918 | fprintf(outfile, ",$%d", nb_oargs); |
| 919 | for(i = 0; i < nb_oargs; i++) { |
| 920 | fprintf(outfile, ","); |
| 921 | fprintf(outfile, "%s", |
| 922 | tcg_get_arg_str_idx(s, buf, sizeof(buf), args[i])); |
| 923 | } |
| 924 | for(i = 0; i < (nb_iargs - 1); i++) { |
| 925 | fprintf(outfile, ","); |
| 926 | if (args[nb_oargs + i] == TCG_CALL_DUMMY_ARG) { |
| 927 | fprintf(outfile, "<dummy>"); |
| 928 | } else { |
| 929 | fprintf(outfile, "%s", |
| 930 | tcg_get_arg_str_idx(s, buf, sizeof(buf), args[nb_oargs + i])); |
| 931 | } |
| 932 | } |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 933 | } else if (c == INDEX_op_movi_i32 |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 934 | #if TCG_TARGET_REG_BITS == 64 |
| 935 | || c == INDEX_op_movi_i64 |
| 936 | #endif |
| 937 | ) { |
| 938 | tcg_target_ulong val; |
| 939 | TCGHelperInfo *th; |
| 940 | |
| 941 | nb_oargs = def->nb_oargs; |
| 942 | nb_iargs = def->nb_iargs; |
| 943 | nb_cargs = def->nb_cargs; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 944 | fprintf(outfile, " %s %s,$", def->name, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 945 | tcg_get_arg_str_idx(s, buf, sizeof(buf), args[0])); |
| 946 | val = args[1]; |
| 947 | th = tcg_find_helper(s, val); |
| 948 | if (th) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 949 | fprintf(outfile, "%s", th->name); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 950 | } else { |
| 951 | if (c == INDEX_op_movi_i32) |
| 952 | fprintf(outfile, "0x%x", (uint32_t)val); |
| 953 | else |
| 954 | fprintf(outfile, "0x%" PRIx64 , (uint64_t)val); |
| 955 | } |
| 956 | } else { |
| 957 | fprintf(outfile, " %s ", def->name); |
| 958 | if (c == INDEX_op_nopn) { |
| 959 | /* variable number of arguments */ |
| 960 | nb_cargs = *args; |
| 961 | nb_oargs = 0; |
| 962 | nb_iargs = 0; |
| 963 | } else { |
| 964 | nb_oargs = def->nb_oargs; |
| 965 | nb_iargs = def->nb_iargs; |
| 966 | nb_cargs = def->nb_cargs; |
| 967 | } |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 968 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 969 | k = 0; |
| 970 | for(i = 0; i < nb_oargs; i++) { |
| 971 | if (k != 0) |
| 972 | fprintf(outfile, ","); |
| 973 | fprintf(outfile, "%s", |
| 974 | tcg_get_arg_str_idx(s, buf, sizeof(buf), args[k++])); |
| 975 | } |
| 976 | for(i = 0; i < nb_iargs; i++) { |
| 977 | if (k != 0) |
| 978 | fprintf(outfile, ","); |
| 979 | fprintf(outfile, "%s", |
| 980 | tcg_get_arg_str_idx(s, buf, sizeof(buf), args[k++])); |
| 981 | } |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 982 | switch (c) { |
| 983 | case INDEX_op_brcond_i32: |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 984 | #if TCG_TARGET_REG_BITS == 32 |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 985 | case INDEX_op_brcond2_i32: |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 986 | #elif TCG_TARGET_REG_BITS == 64 |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 987 | case INDEX_op_brcond_i64: |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 988 | #endif |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 989 | case INDEX_op_setcond_i32: |
| 990 | #if TCG_TARGET_REG_BITS == 32 |
| 991 | case INDEX_op_setcond2_i32: |
| 992 | #elif TCG_TARGET_REG_BITS == 64 |
| 993 | case INDEX_op_setcond_i64: |
| 994 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 995 | if (args[k] < ARRAY_SIZE(cond_name) && cond_name[args[k]]) |
| 996 | fprintf(outfile, ",%s", cond_name[args[k++]]); |
| 997 | else |
| 998 | fprintf(outfile, ",$0x%" TCG_PRIlx, args[k++]); |
| 999 | i = 1; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1000 | break; |
| 1001 | default: |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1002 | i = 0; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1003 | break; |
| 1004 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1005 | for(; i < nb_cargs; i++) { |
| 1006 | if (k != 0) |
| 1007 | fprintf(outfile, ","); |
| 1008 | arg = args[k++]; |
| 1009 | fprintf(outfile, "$0x%" TCG_PRIlx, arg); |
| 1010 | } |
| 1011 | } |
| 1012 | fprintf(outfile, "\n"); |
| 1013 | args += nb_iargs + nb_oargs + nb_cargs; |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | /* we give more priority to constraints with less registers */ |
| 1018 | static int get_constraint_priority(const TCGOpDef *def, int k) |
| 1019 | { |
| 1020 | const TCGArgConstraint *arg_ct; |
| 1021 | |
| 1022 | int i, n; |
| 1023 | arg_ct = &def->args_ct[k]; |
| 1024 | if (arg_ct->ct & TCG_CT_ALIAS) { |
| 1025 | /* an alias is equivalent to a single register */ |
| 1026 | n = 1; |
| 1027 | } else { |
| 1028 | if (!(arg_ct->ct & TCG_CT_REG)) |
| 1029 | return 0; |
| 1030 | n = 0; |
| 1031 | for(i = 0; i < TCG_TARGET_NB_REGS; i++) { |
| 1032 | if (tcg_regset_test_reg(arg_ct->u.regs, i)) |
| 1033 | n++; |
| 1034 | } |
| 1035 | } |
| 1036 | return TCG_TARGET_NB_REGS - n + 1; |
| 1037 | } |
| 1038 | |
| 1039 | /* sort from highest priority to lowest */ |
| 1040 | static void sort_constraints(TCGOpDef *def, int start, int n) |
| 1041 | { |
| 1042 | int i, j, p1, p2, tmp; |
| 1043 | |
| 1044 | for(i = 0; i < n; i++) |
| 1045 | def->sorted_args[start + i] = start + i; |
| 1046 | if (n <= 1) |
| 1047 | return; |
| 1048 | for(i = 0; i < n - 1; i++) { |
| 1049 | for(j = i + 1; j < n; j++) { |
| 1050 | p1 = get_constraint_priority(def, def->sorted_args[start + i]); |
| 1051 | p2 = get_constraint_priority(def, def->sorted_args[start + j]); |
| 1052 | if (p1 < p2) { |
| 1053 | tmp = def->sorted_args[start + i]; |
| 1054 | def->sorted_args[start + i] = def->sorted_args[start + j]; |
| 1055 | def->sorted_args[start + j] = tmp; |
| 1056 | } |
| 1057 | } |
| 1058 | } |
| 1059 | } |
| 1060 | |
| 1061 | void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs) |
| 1062 | { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1063 | TCGOpcode op; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1064 | TCGOpDef *def; |
| 1065 | const char *ct_str; |
| 1066 | int i, nb_args; |
| 1067 | |
| 1068 | for(;;) { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1069 | if (tdefs->op == (TCGOpcode)-1) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1070 | break; |
| 1071 | op = tdefs->op; |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1072 | assert((unsigned)op < NB_OPS); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1073 | def = &tcg_op_defs[op]; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1074 | #if defined(CONFIG_DEBUG_TCG) |
| 1075 | /* Duplicate entry in op definitions? */ |
| 1076 | assert(!def->used); |
| 1077 | def->used = 1; |
| 1078 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1079 | nb_args = def->nb_iargs + def->nb_oargs; |
| 1080 | for(i = 0; i < nb_args; i++) { |
| 1081 | ct_str = tdefs->args_ct_str[i]; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1082 | /* Incomplete TCGTargetOpDef entry? */ |
| 1083 | assert(ct_str != NULL); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1084 | tcg_regset_clear(def->args_ct[i].u.regs); |
| 1085 | def->args_ct[i].ct = 0; |
| 1086 | if (ct_str[0] >= '0' && ct_str[0] <= '9') { |
| 1087 | int oarg; |
| 1088 | oarg = ct_str[0] - '0'; |
| 1089 | assert(oarg < def->nb_oargs); |
| 1090 | assert(def->args_ct[oarg].ct & TCG_CT_REG); |
| 1091 | /* TCG_CT_ALIAS is for the output arguments. The input |
| 1092 | argument is tagged with TCG_CT_IALIAS. */ |
| 1093 | def->args_ct[i] = def->args_ct[oarg]; |
| 1094 | def->args_ct[oarg].ct = TCG_CT_ALIAS; |
| 1095 | def->args_ct[oarg].alias_index = i; |
| 1096 | def->args_ct[i].ct |= TCG_CT_IALIAS; |
| 1097 | def->args_ct[i].alias_index = oarg; |
| 1098 | } else { |
| 1099 | for(;;) { |
| 1100 | if (*ct_str == '\0') |
| 1101 | break; |
| 1102 | switch(*ct_str) { |
| 1103 | case 'i': |
| 1104 | def->args_ct[i].ct |= TCG_CT_CONST; |
| 1105 | ct_str++; |
| 1106 | break; |
| 1107 | default: |
| 1108 | if (target_parse_constraint(&def->args_ct[i], &ct_str) < 0) { |
| 1109 | fprintf(stderr, "Invalid constraint '%s' for arg %d of operation '%s'\n", |
| 1110 | ct_str, i, def->name); |
| 1111 | exit(1); |
| 1112 | } |
| 1113 | } |
| 1114 | } |
| 1115 | } |
| 1116 | } |
| 1117 | |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1118 | /* TCGTargetOpDef entry with too much information? */ |
| 1119 | assert(i == TCG_MAX_OP_ARGS || tdefs->args_ct_str[i] == NULL); |
| 1120 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1121 | /* sort the constraints (XXX: this is just an heuristic) */ |
| 1122 | sort_constraints(def, 0, def->nb_oargs); |
| 1123 | sort_constraints(def, def->nb_oargs, def->nb_iargs); |
| 1124 | |
| 1125 | #if 0 |
| 1126 | { |
| 1127 | int i; |
| 1128 | |
| 1129 | printf("%s: sorted=", def->name); |
| 1130 | for(i = 0; i < def->nb_oargs + def->nb_iargs; i++) |
| 1131 | printf(" %d", def->sorted_args[i]); |
| 1132 | printf("\n"); |
| 1133 | } |
| 1134 | #endif |
| 1135 | tdefs++; |
| 1136 | } |
| 1137 | |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1138 | #if defined(CONFIG_DEBUG_TCG) |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1139 | i = 0; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1140 | for (op = 0; op < ARRAY_SIZE(tcg_op_defs); op++) { |
| 1141 | if (op < INDEX_op_call || op == INDEX_op_debug_insn_start) { |
| 1142 | /* Wrong entry in op definitions? */ |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1143 | if (tcg_op_defs[op].used) { |
| 1144 | fprintf(stderr, "Invalid op definition for %s\n", |
| 1145 | tcg_op_defs[op].name); |
| 1146 | i = 1; |
| 1147 | } |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1148 | } else { |
| 1149 | /* Missing entry in op definitions? */ |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1150 | if (!tcg_op_defs[op].used) { |
| 1151 | fprintf(stderr, "Missing op definition for %s\n", |
| 1152 | tcg_op_defs[op].name); |
| 1153 | i = 1; |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1154 | } |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1155 | } |
| 1156 | } |
| 1157 | if (i == 1) { |
| 1158 | tcg_abort(); |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1159 | } |
| 1160 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1161 | } |
| 1162 | |
| 1163 | #ifdef USE_LIVENESS_ANALYSIS |
| 1164 | |
| 1165 | /* set a nop for an operation using 'nb_args' */ |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1166 | static inline void tcg_set_nop(TCGContext *s, uint16_t *opc_ptr, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1167 | TCGArg *args, int nb_args) |
| 1168 | { |
| 1169 | if (nb_args == 0) { |
| 1170 | *opc_ptr = INDEX_op_nop; |
| 1171 | } else { |
| 1172 | *opc_ptr = INDEX_op_nopn; |
| 1173 | args[0] = nb_args; |
| 1174 | args[nb_args - 1] = nb_args; |
| 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | /* liveness analysis: end of function: globals are live, temps are |
| 1179 | dead. */ |
| 1180 | /* XXX: at this stage, not used as there would be little gains because |
| 1181 | most TBs end with a conditional jump. */ |
| 1182 | static inline void tcg_la_func_end(TCGContext *s, uint8_t *dead_temps) |
| 1183 | { |
| 1184 | memset(dead_temps, 0, s->nb_globals); |
| 1185 | memset(dead_temps + s->nb_globals, 1, s->nb_temps - s->nb_globals); |
| 1186 | } |
| 1187 | |
| 1188 | /* liveness analysis: end of basic block: globals are live, temps are |
| 1189 | dead, local temps are live. */ |
| 1190 | static inline void tcg_la_bb_end(TCGContext *s, uint8_t *dead_temps) |
| 1191 | { |
| 1192 | int i; |
| 1193 | TCGTemp *ts; |
| 1194 | |
| 1195 | memset(dead_temps, 0, s->nb_globals); |
| 1196 | ts = &s->temps[s->nb_globals]; |
| 1197 | for(i = s->nb_globals; i < s->nb_temps; i++) { |
| 1198 | if (ts->temp_local) |
| 1199 | dead_temps[i] = 0; |
| 1200 | else |
| 1201 | dead_temps[i] = 1; |
| 1202 | ts++; |
| 1203 | } |
| 1204 | } |
| 1205 | |
| 1206 | /* Liveness analysis : update the opc_dead_iargs array to tell if a |
| 1207 | given input arguments is dead. Instructions updating dead |
| 1208 | temporaries are removed. */ |
| 1209 | static void tcg_liveness_analysis(TCGContext *s) |
| 1210 | { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1211 | int i, op_index, nb_args, nb_iargs, nb_oargs, arg, nb_ops; |
| 1212 | TCGOpcode op; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1213 | TCGArg *args; |
| 1214 | const TCGOpDef *def; |
| 1215 | uint8_t *dead_temps; |
| 1216 | unsigned int dead_iargs; |
David 'Digit' Turner | ddf49e5 | 2009-10-05 14:06:05 -0700 | [diff] [blame] | 1217 | |
David 'Digit' Turner | bcc6ae1 | 2009-10-06 11:18:29 -0700 | [diff] [blame] | 1218 | /* sanity check */ |
| 1219 | if (gen_opc_ptr - gen_opc_buf > OPC_BUF_SIZE) { |
| 1220 | fprintf(stderr, "PANIC: too many opcodes generated (%d > %d)\n", |
David 'Digit' Turner | d9b6cb9 | 2010-10-20 19:07:28 +0200 | [diff] [blame] | 1221 | (int)(gen_opc_ptr - gen_opc_buf), OPC_BUF_SIZE); |
David 'Digit' Turner | bcc6ae1 | 2009-10-06 11:18:29 -0700 | [diff] [blame] | 1222 | tcg_abort(); |
David 'Digit' Turner | ddf49e5 | 2009-10-05 14:06:05 -0700 | [diff] [blame] | 1223 | } |
| 1224 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1225 | gen_opc_ptr++; /* skip end */ |
| 1226 | |
| 1227 | nb_ops = gen_opc_ptr - gen_opc_buf; |
| 1228 | |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1229 | s->op_dead_iargs = tcg_malloc(nb_ops * sizeof(uint16_t)); |
| 1230 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1231 | dead_temps = tcg_malloc(s->nb_temps); |
| 1232 | memset(dead_temps, 1, s->nb_temps); |
| 1233 | |
| 1234 | args = gen_opparam_ptr; |
| 1235 | op_index = nb_ops - 1; |
| 1236 | while (op_index >= 0) { |
| 1237 | op = gen_opc_buf[op_index]; |
| 1238 | def = &tcg_op_defs[op]; |
| 1239 | switch(op) { |
| 1240 | case INDEX_op_call: |
| 1241 | { |
| 1242 | int call_flags; |
| 1243 | |
| 1244 | nb_args = args[-1]; |
| 1245 | args -= nb_args; |
| 1246 | nb_iargs = args[0] & 0xffff; |
| 1247 | nb_oargs = args[0] >> 16; |
| 1248 | args++; |
| 1249 | call_flags = args[nb_oargs + nb_iargs]; |
| 1250 | |
| 1251 | /* pure functions can be removed if their result is not |
| 1252 | used */ |
| 1253 | if (call_flags & TCG_CALL_PURE) { |
| 1254 | for(i = 0; i < nb_oargs; i++) { |
| 1255 | arg = args[i]; |
| 1256 | if (!dead_temps[arg]) |
| 1257 | goto do_not_remove_call; |
| 1258 | } |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1259 | tcg_set_nop(s, gen_opc_buf + op_index, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1260 | args - 1, nb_args); |
| 1261 | } else { |
| 1262 | do_not_remove_call: |
| 1263 | |
| 1264 | /* output args are dead */ |
| 1265 | for(i = 0; i < nb_oargs; i++) { |
| 1266 | arg = args[i]; |
| 1267 | dead_temps[arg] = 1; |
| 1268 | } |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 1269 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1270 | if (!(call_flags & TCG_CALL_CONST)) { |
| 1271 | /* globals are live (they may be used by the call) */ |
| 1272 | memset(dead_temps, 0, s->nb_globals); |
| 1273 | } |
| 1274 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1275 | /* input args are live */ |
| 1276 | dead_iargs = 0; |
| 1277 | for(i = 0; i < nb_iargs; i++) { |
| 1278 | arg = args[i + nb_oargs]; |
| 1279 | if (arg != TCG_CALL_DUMMY_ARG) { |
| 1280 | if (dead_temps[arg]) { |
| 1281 | dead_iargs |= (1 << i); |
| 1282 | } |
| 1283 | dead_temps[arg] = 0; |
| 1284 | } |
| 1285 | } |
| 1286 | s->op_dead_iargs[op_index] = dead_iargs; |
| 1287 | } |
| 1288 | args--; |
| 1289 | } |
| 1290 | break; |
| 1291 | case INDEX_op_set_label: |
| 1292 | args--; |
| 1293 | /* mark end of basic block */ |
| 1294 | tcg_la_bb_end(s, dead_temps); |
| 1295 | break; |
| 1296 | case INDEX_op_debug_insn_start: |
| 1297 | args -= def->nb_args; |
| 1298 | break; |
| 1299 | case INDEX_op_nopn: |
| 1300 | nb_args = args[-1]; |
| 1301 | args -= nb_args; |
| 1302 | break; |
| 1303 | case INDEX_op_discard: |
| 1304 | args--; |
| 1305 | /* mark the temporary as dead */ |
| 1306 | dead_temps[args[0]] = 1; |
| 1307 | break; |
| 1308 | case INDEX_op_end: |
| 1309 | break; |
| 1310 | /* XXX: optimize by hardcoding common cases (e.g. triadic ops) */ |
| 1311 | default: |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1312 | args -= def->nb_args; |
| 1313 | nb_iargs = def->nb_iargs; |
| 1314 | nb_oargs = def->nb_oargs; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1315 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1316 | /* Test if the operation can be removed because all |
| 1317 | its outputs are dead. We assume that nb_oargs == 0 |
| 1318 | implies side effects */ |
| 1319 | if (!(def->flags & TCG_OPF_SIDE_EFFECTS) && nb_oargs != 0) { |
| 1320 | for(i = 0; i < nb_oargs; i++) { |
| 1321 | arg = args[i]; |
| 1322 | if (!dead_temps[arg]) |
| 1323 | goto do_not_remove; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1324 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1325 | tcg_set_nop(s, gen_opc_buf + op_index, args, def->nb_args); |
| 1326 | #ifdef CONFIG_PROFILER |
| 1327 | s->del_op_count++; |
| 1328 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1329 | } else { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1330 | do_not_remove: |
| 1331 | |
| 1332 | /* output args are dead */ |
| 1333 | for(i = 0; i < nb_oargs; i++) { |
| 1334 | arg = args[i]; |
| 1335 | dead_temps[arg] = 1; |
| 1336 | } |
| 1337 | |
| 1338 | /* if end of basic block, update */ |
| 1339 | if (def->flags & TCG_OPF_BB_END) { |
| 1340 | tcg_la_bb_end(s, dead_temps); |
| 1341 | } else if (def->flags & TCG_OPF_CALL_CLOBBER) { |
| 1342 | /* globals are live */ |
| 1343 | memset(dead_temps, 0, s->nb_globals); |
| 1344 | } |
| 1345 | |
| 1346 | /* input args are live */ |
| 1347 | dead_iargs = 0; |
| 1348 | for(i = 0; i < nb_iargs; i++) { |
| 1349 | arg = args[i + nb_oargs]; |
| 1350 | if (dead_temps[arg]) { |
| 1351 | dead_iargs |= (1 << i); |
| 1352 | } |
| 1353 | dead_temps[arg] = 0; |
| 1354 | } |
| 1355 | s->op_dead_iargs[op_index] = dead_iargs; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1356 | } |
| 1357 | break; |
| 1358 | } |
| 1359 | op_index--; |
| 1360 | } |
| 1361 | |
| 1362 | if (args != gen_opparam_buf) |
| 1363 | tcg_abort(); |
| 1364 | } |
| 1365 | #else |
| 1366 | /* dummy liveness analysis */ |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1367 | static void tcg_liveness_analysis(TCGContext *s) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1368 | { |
| 1369 | int nb_ops; |
| 1370 | nb_ops = gen_opc_ptr - gen_opc_buf; |
| 1371 | |
| 1372 | s->op_dead_iargs = tcg_malloc(nb_ops * sizeof(uint16_t)); |
| 1373 | memset(s->op_dead_iargs, 0, nb_ops * sizeof(uint16_t)); |
| 1374 | } |
| 1375 | #endif |
| 1376 | |
| 1377 | #ifndef NDEBUG |
| 1378 | static void dump_regs(TCGContext *s) |
| 1379 | { |
| 1380 | TCGTemp *ts; |
| 1381 | int i; |
| 1382 | char buf[64]; |
| 1383 | |
| 1384 | for(i = 0; i < s->nb_temps; i++) { |
| 1385 | ts = &s->temps[i]; |
| 1386 | printf(" %10s: ", tcg_get_arg_str_idx(s, buf, sizeof(buf), i)); |
| 1387 | switch(ts->val_type) { |
| 1388 | case TEMP_VAL_REG: |
| 1389 | printf("%s", tcg_target_reg_names[ts->reg]); |
| 1390 | break; |
| 1391 | case TEMP_VAL_MEM: |
| 1392 | printf("%d(%s)", (int)ts->mem_offset, tcg_target_reg_names[ts->mem_reg]); |
| 1393 | break; |
| 1394 | case TEMP_VAL_CONST: |
| 1395 | printf("$0x%" TCG_PRIlx, ts->val); |
| 1396 | break; |
| 1397 | case TEMP_VAL_DEAD: |
| 1398 | printf("D"); |
| 1399 | break; |
| 1400 | default: |
| 1401 | printf("???"); |
| 1402 | break; |
| 1403 | } |
| 1404 | printf("\n"); |
| 1405 | } |
| 1406 | |
| 1407 | for(i = 0; i < TCG_TARGET_NB_REGS; i++) { |
| 1408 | if (s->reg_to_temp[i] >= 0) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1409 | printf("%s: %s\n", |
| 1410 | tcg_target_reg_names[i], |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1411 | tcg_get_arg_str_idx(s, buf, sizeof(buf), s->reg_to_temp[i])); |
| 1412 | } |
| 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | static void check_regs(TCGContext *s) |
| 1417 | { |
| 1418 | int reg, k; |
| 1419 | TCGTemp *ts; |
| 1420 | char buf[64]; |
| 1421 | |
| 1422 | for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) { |
| 1423 | k = s->reg_to_temp[reg]; |
| 1424 | if (k >= 0) { |
| 1425 | ts = &s->temps[k]; |
| 1426 | if (ts->val_type != TEMP_VAL_REG || |
| 1427 | ts->reg != reg) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1428 | printf("Inconsistency for register %s:\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1429 | tcg_target_reg_names[reg]); |
| 1430 | goto fail; |
| 1431 | } |
| 1432 | } |
| 1433 | } |
| 1434 | for(k = 0; k < s->nb_temps; k++) { |
| 1435 | ts = &s->temps[k]; |
| 1436 | if (ts->val_type == TEMP_VAL_REG && |
| 1437 | !ts->fixed_reg && |
| 1438 | s->reg_to_temp[ts->reg] != k) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1439 | printf("Inconsistency for temp %s:\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1440 | tcg_get_arg_str_idx(s, buf, sizeof(buf), k)); |
| 1441 | fail: |
| 1442 | printf("reg state:\n"); |
| 1443 | dump_regs(s); |
| 1444 | tcg_abort(); |
| 1445 | } |
| 1446 | } |
| 1447 | } |
| 1448 | #endif |
| 1449 | |
| 1450 | static void temp_allocate_frame(TCGContext *s, int temp) |
| 1451 | { |
| 1452 | TCGTemp *ts; |
| 1453 | ts = &s->temps[temp]; |
| 1454 | s->current_frame_offset = (s->current_frame_offset + sizeof(tcg_target_long) - 1) & ~(sizeof(tcg_target_long) - 1); |
| 1455 | if (s->current_frame_offset + sizeof(tcg_target_long) > s->frame_end) |
| 1456 | tcg_abort(); |
| 1457 | ts->mem_offset = s->current_frame_offset; |
| 1458 | ts->mem_reg = s->frame_reg; |
| 1459 | ts->mem_allocated = 1; |
| 1460 | s->current_frame_offset += sizeof(tcg_target_long); |
| 1461 | } |
| 1462 | |
| 1463 | /* free register 'reg' by spilling the corresponding temporary if necessary */ |
| 1464 | static void tcg_reg_free(TCGContext *s, int reg) |
| 1465 | { |
| 1466 | TCGTemp *ts; |
| 1467 | int temp; |
| 1468 | |
| 1469 | temp = s->reg_to_temp[reg]; |
| 1470 | if (temp != -1) { |
| 1471 | ts = &s->temps[temp]; |
| 1472 | assert(ts->val_type == TEMP_VAL_REG); |
| 1473 | if (!ts->mem_coherent) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1474 | if (!ts->mem_allocated) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1475 | temp_allocate_frame(s, temp); |
| 1476 | tcg_out_st(s, ts->type, reg, ts->mem_reg, ts->mem_offset); |
| 1477 | } |
| 1478 | ts->val_type = TEMP_VAL_MEM; |
| 1479 | s->reg_to_temp[reg] = -1; |
| 1480 | } |
| 1481 | } |
| 1482 | |
| 1483 | /* Allocate a register belonging to reg1 & ~reg2 */ |
| 1484 | static int tcg_reg_alloc(TCGContext *s, TCGRegSet reg1, TCGRegSet reg2) |
| 1485 | { |
| 1486 | int i, reg; |
| 1487 | TCGRegSet reg_ct; |
| 1488 | |
| 1489 | tcg_regset_andnot(reg_ct, reg1, reg2); |
| 1490 | |
| 1491 | /* first try free registers */ |
| 1492 | for(i = 0; i < ARRAY_SIZE(tcg_target_reg_alloc_order); i++) { |
| 1493 | reg = tcg_target_reg_alloc_order[i]; |
| 1494 | if (tcg_regset_test_reg(reg_ct, reg) && s->reg_to_temp[reg] == -1) |
| 1495 | return reg; |
| 1496 | } |
| 1497 | |
| 1498 | /* XXX: do better spill choice */ |
| 1499 | for(i = 0; i < ARRAY_SIZE(tcg_target_reg_alloc_order); i++) { |
| 1500 | reg = tcg_target_reg_alloc_order[i]; |
| 1501 | if (tcg_regset_test_reg(reg_ct, reg)) { |
| 1502 | tcg_reg_free(s, reg); |
| 1503 | return reg; |
| 1504 | } |
| 1505 | } |
| 1506 | |
| 1507 | tcg_abort(); |
| 1508 | } |
| 1509 | |
| 1510 | /* save a temporary to memory. 'allocated_regs' is used in case a |
| 1511 | temporary registers needs to be allocated to store a constant. */ |
| 1512 | static void temp_save(TCGContext *s, int temp, TCGRegSet allocated_regs) |
| 1513 | { |
| 1514 | TCGTemp *ts; |
| 1515 | int reg; |
| 1516 | |
| 1517 | ts = &s->temps[temp]; |
| 1518 | if (!ts->fixed_reg) { |
| 1519 | switch(ts->val_type) { |
| 1520 | case TEMP_VAL_REG: |
| 1521 | tcg_reg_free(s, ts->reg); |
| 1522 | break; |
| 1523 | case TEMP_VAL_DEAD: |
| 1524 | ts->val_type = TEMP_VAL_MEM; |
| 1525 | break; |
| 1526 | case TEMP_VAL_CONST: |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1527 | reg = tcg_reg_alloc(s, tcg_target_available_regs[ts->type], |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1528 | allocated_regs); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1529 | if (!ts->mem_allocated) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1530 | temp_allocate_frame(s, temp); |
| 1531 | tcg_out_movi(s, ts->type, reg, ts->val); |
| 1532 | tcg_out_st(s, ts->type, reg, ts->mem_reg, ts->mem_offset); |
| 1533 | ts->val_type = TEMP_VAL_MEM; |
| 1534 | break; |
| 1535 | case TEMP_VAL_MEM: |
| 1536 | break; |
| 1537 | default: |
| 1538 | tcg_abort(); |
| 1539 | } |
| 1540 | } |
| 1541 | } |
| 1542 | |
| 1543 | /* save globals to their cannonical location and assume they can be |
| 1544 | modified be the following code. 'allocated_regs' is used in case a |
| 1545 | temporary registers needs to be allocated to store a constant. */ |
| 1546 | static void save_globals(TCGContext *s, TCGRegSet allocated_regs) |
| 1547 | { |
| 1548 | int i; |
| 1549 | |
| 1550 | for(i = 0; i < s->nb_globals; i++) { |
| 1551 | temp_save(s, i, allocated_regs); |
| 1552 | } |
| 1553 | } |
| 1554 | |
| 1555 | /* at the end of a basic block, we assume all temporaries are dead and |
| 1556 | all globals are stored at their canonical location. */ |
| 1557 | static void tcg_reg_alloc_bb_end(TCGContext *s, TCGRegSet allocated_regs) |
| 1558 | { |
| 1559 | TCGTemp *ts; |
| 1560 | int i; |
| 1561 | |
| 1562 | for(i = s->nb_globals; i < s->nb_temps; i++) { |
| 1563 | ts = &s->temps[i]; |
| 1564 | if (ts->temp_local) { |
| 1565 | temp_save(s, i, allocated_regs); |
| 1566 | } else { |
| 1567 | if (ts->val_type == TEMP_VAL_REG) { |
| 1568 | s->reg_to_temp[ts->reg] = -1; |
| 1569 | } |
| 1570 | ts->val_type = TEMP_VAL_DEAD; |
| 1571 | } |
| 1572 | } |
| 1573 | |
| 1574 | save_globals(s, allocated_regs); |
| 1575 | } |
| 1576 | |
| 1577 | #define IS_DEAD_IARG(n) ((dead_iargs >> (n)) & 1) |
| 1578 | |
| 1579 | static void tcg_reg_alloc_movi(TCGContext *s, const TCGArg *args) |
| 1580 | { |
| 1581 | TCGTemp *ots; |
| 1582 | tcg_target_ulong val; |
| 1583 | |
| 1584 | ots = &s->temps[args[0]]; |
| 1585 | val = args[1]; |
| 1586 | |
| 1587 | if (ots->fixed_reg) { |
| 1588 | /* for fixed registers, we do not do any constant |
| 1589 | propagation */ |
| 1590 | tcg_out_movi(s, ots->type, ots->reg, val); |
| 1591 | } else { |
| 1592 | /* The movi is not explicitly generated here */ |
| 1593 | if (ots->val_type == TEMP_VAL_REG) |
| 1594 | s->reg_to_temp[ots->reg] = -1; |
| 1595 | ots->val_type = TEMP_VAL_CONST; |
| 1596 | ots->val = val; |
| 1597 | } |
| 1598 | } |
| 1599 | |
| 1600 | static void tcg_reg_alloc_mov(TCGContext *s, const TCGOpDef *def, |
| 1601 | const TCGArg *args, |
| 1602 | unsigned int dead_iargs) |
| 1603 | { |
| 1604 | TCGTemp *ts, *ots; |
| 1605 | int reg; |
| 1606 | const TCGArgConstraint *arg_ct; |
| 1607 | |
| 1608 | ots = &s->temps[args[0]]; |
| 1609 | ts = &s->temps[args[1]]; |
| 1610 | arg_ct = &def->args_ct[0]; |
| 1611 | |
| 1612 | /* XXX: always mark arg dead if IS_DEAD_IARG(0) */ |
| 1613 | if (ts->val_type == TEMP_VAL_REG) { |
| 1614 | if (IS_DEAD_IARG(0) && !ts->fixed_reg && !ots->fixed_reg) { |
| 1615 | /* the mov can be suppressed */ |
| 1616 | if (ots->val_type == TEMP_VAL_REG) |
| 1617 | s->reg_to_temp[ots->reg] = -1; |
| 1618 | reg = ts->reg; |
| 1619 | s->reg_to_temp[reg] = -1; |
| 1620 | ts->val_type = TEMP_VAL_DEAD; |
| 1621 | } else { |
| 1622 | if (ots->val_type == TEMP_VAL_REG) { |
| 1623 | reg = ots->reg; |
| 1624 | } else { |
| 1625 | reg = tcg_reg_alloc(s, arg_ct->u.regs, s->reserved_regs); |
| 1626 | } |
| 1627 | if (ts->reg != reg) { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1628 | tcg_out_mov(s, ots->type, reg, ts->reg); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1629 | } |
| 1630 | } |
| 1631 | } else if (ts->val_type == TEMP_VAL_MEM) { |
| 1632 | if (ots->val_type == TEMP_VAL_REG) { |
| 1633 | reg = ots->reg; |
| 1634 | } else { |
| 1635 | reg = tcg_reg_alloc(s, arg_ct->u.regs, s->reserved_regs); |
| 1636 | } |
| 1637 | tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset); |
| 1638 | } else if (ts->val_type == TEMP_VAL_CONST) { |
| 1639 | if (ots->fixed_reg) { |
| 1640 | reg = ots->reg; |
| 1641 | tcg_out_movi(s, ots->type, reg, ts->val); |
| 1642 | } else { |
| 1643 | /* propagate constant */ |
| 1644 | if (ots->val_type == TEMP_VAL_REG) |
| 1645 | s->reg_to_temp[ots->reg] = -1; |
| 1646 | ots->val_type = TEMP_VAL_CONST; |
| 1647 | ots->val = ts->val; |
| 1648 | return; |
| 1649 | } |
| 1650 | } else { |
| 1651 | tcg_abort(); |
| 1652 | } |
| 1653 | s->reg_to_temp[reg] = args[0]; |
| 1654 | ots->reg = reg; |
| 1655 | ots->val_type = TEMP_VAL_REG; |
| 1656 | ots->mem_coherent = 0; |
| 1657 | } |
| 1658 | |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1659 | static void tcg_reg_alloc_op(TCGContext *s, |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1660 | const TCGOpDef *def, TCGOpcode opc, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1661 | const TCGArg *args, |
| 1662 | unsigned int dead_iargs) |
| 1663 | { |
| 1664 | TCGRegSet allocated_regs; |
| 1665 | int i, k, nb_iargs, nb_oargs, reg; |
| 1666 | TCGArg arg; |
| 1667 | const TCGArgConstraint *arg_ct; |
| 1668 | TCGTemp *ts; |
| 1669 | TCGArg new_args[TCG_MAX_OP_ARGS]; |
| 1670 | int const_args[TCG_MAX_OP_ARGS]; |
| 1671 | |
| 1672 | nb_oargs = def->nb_oargs; |
| 1673 | nb_iargs = def->nb_iargs; |
| 1674 | |
| 1675 | /* copy constants */ |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1676 | memcpy(new_args + nb_oargs + nb_iargs, |
| 1677 | args + nb_oargs + nb_iargs, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1678 | sizeof(TCGArg) * def->nb_cargs); |
| 1679 | |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1680 | /* satisfy input constraints */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1681 | tcg_regset_set(allocated_regs, s->reserved_regs); |
| 1682 | for(k = 0; k < nb_iargs; k++) { |
| 1683 | i = def->sorted_args[nb_oargs + k]; |
| 1684 | arg = args[i]; |
| 1685 | arg_ct = &def->args_ct[i]; |
| 1686 | ts = &s->temps[arg]; |
| 1687 | if (ts->val_type == TEMP_VAL_MEM) { |
| 1688 | reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs); |
| 1689 | tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset); |
| 1690 | ts->val_type = TEMP_VAL_REG; |
| 1691 | ts->reg = reg; |
| 1692 | ts->mem_coherent = 1; |
| 1693 | s->reg_to_temp[reg] = arg; |
| 1694 | } else if (ts->val_type == TEMP_VAL_CONST) { |
| 1695 | if (tcg_target_const_match(ts->val, arg_ct)) { |
| 1696 | /* constant is OK for instruction */ |
| 1697 | const_args[i] = 1; |
| 1698 | new_args[i] = ts->val; |
| 1699 | goto iarg_end; |
| 1700 | } else { |
| 1701 | /* need to move to a register */ |
| 1702 | reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs); |
| 1703 | tcg_out_movi(s, ts->type, reg, ts->val); |
| 1704 | ts->val_type = TEMP_VAL_REG; |
| 1705 | ts->reg = reg; |
| 1706 | ts->mem_coherent = 0; |
| 1707 | s->reg_to_temp[reg] = arg; |
| 1708 | } |
| 1709 | } |
| 1710 | assert(ts->val_type == TEMP_VAL_REG); |
| 1711 | if (arg_ct->ct & TCG_CT_IALIAS) { |
| 1712 | if (ts->fixed_reg) { |
| 1713 | /* if fixed register, we must allocate a new register |
| 1714 | if the alias is not the same register */ |
| 1715 | if (arg != args[arg_ct->alias_index]) |
| 1716 | goto allocate_in_reg; |
| 1717 | } else { |
| 1718 | /* if the input is aliased to an output and if it is |
| 1719 | not dead after the instruction, we must allocate |
| 1720 | a new register and move it */ |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1721 | if (!IS_DEAD_IARG(i - nb_oargs)) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1722 | goto allocate_in_reg; |
| 1723 | } |
| 1724 | } |
| 1725 | reg = ts->reg; |
| 1726 | if (tcg_regset_test_reg(arg_ct->u.regs, reg)) { |
| 1727 | /* nothing to do : the constraint is satisfied */ |
| 1728 | } else { |
| 1729 | allocate_in_reg: |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1730 | /* allocate a new register matching the constraint |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1731 | and move the temporary register into it */ |
| 1732 | reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs); |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1733 | tcg_out_mov(s, ts->type, reg, ts->reg); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1734 | } |
| 1735 | new_args[i] = reg; |
| 1736 | const_args[i] = 0; |
| 1737 | tcg_regset_set_reg(allocated_regs, reg); |
| 1738 | iarg_end: ; |
| 1739 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1740 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1741 | if (def->flags & TCG_OPF_BB_END) { |
| 1742 | tcg_reg_alloc_bb_end(s, allocated_regs); |
| 1743 | } else { |
| 1744 | /* mark dead temporaries and free the associated registers */ |
| 1745 | for(i = 0; i < nb_iargs; i++) { |
| 1746 | arg = args[nb_oargs + i]; |
| 1747 | if (IS_DEAD_IARG(i)) { |
| 1748 | ts = &s->temps[arg]; |
| 1749 | if (!ts->fixed_reg) { |
| 1750 | if (ts->val_type == TEMP_VAL_REG) |
| 1751 | s->reg_to_temp[ts->reg] = -1; |
| 1752 | ts->val_type = TEMP_VAL_DEAD; |
| 1753 | } |
| 1754 | } |
| 1755 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1756 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1757 | if (def->flags & TCG_OPF_CALL_CLOBBER) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1758 | /* XXX: permit generic clobber register list ? */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1759 | for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) { |
| 1760 | if (tcg_regset_test_reg(tcg_target_call_clobber_regs, reg)) { |
| 1761 | tcg_reg_free(s, reg); |
| 1762 | } |
| 1763 | } |
| 1764 | /* XXX: for load/store we could do that only for the slow path |
| 1765 | (i.e. when a memory callback is called) */ |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1766 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1767 | /* store globals and free associated registers (we assume the insn |
| 1768 | can modify any global. */ |
| 1769 | save_globals(s, allocated_regs); |
| 1770 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1771 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1772 | /* satisfy the output constraints */ |
| 1773 | tcg_regset_set(allocated_regs, s->reserved_regs); |
| 1774 | for(k = 0; k < nb_oargs; k++) { |
| 1775 | i = def->sorted_args[k]; |
| 1776 | arg = args[i]; |
| 1777 | arg_ct = &def->args_ct[i]; |
| 1778 | ts = &s->temps[arg]; |
| 1779 | if (arg_ct->ct & TCG_CT_ALIAS) { |
| 1780 | reg = new_args[arg_ct->alias_index]; |
| 1781 | } else { |
| 1782 | /* if fixed register, we try to use it */ |
| 1783 | reg = ts->reg; |
| 1784 | if (ts->fixed_reg && |
| 1785 | tcg_regset_test_reg(arg_ct->u.regs, reg)) { |
| 1786 | goto oarg_end; |
| 1787 | } |
| 1788 | reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs); |
| 1789 | } |
| 1790 | tcg_regset_set_reg(allocated_regs, reg); |
| 1791 | /* if a fixed register is used, then a move will be done afterwards */ |
| 1792 | if (!ts->fixed_reg) { |
| 1793 | if (ts->val_type == TEMP_VAL_REG) |
| 1794 | s->reg_to_temp[ts->reg] = -1; |
| 1795 | ts->val_type = TEMP_VAL_REG; |
| 1796 | ts->reg = reg; |
| 1797 | /* temp value is modified, so the value kept in memory is |
| 1798 | potentially not the same */ |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1799 | ts->mem_coherent = 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1800 | s->reg_to_temp[reg] = arg; |
| 1801 | } |
| 1802 | oarg_end: |
| 1803 | new_args[i] = reg; |
| 1804 | } |
| 1805 | } |
| 1806 | |
| 1807 | /* emit instruction */ |
| 1808 | tcg_out_op(s, opc, new_args, const_args); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1809 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1810 | /* move the outputs in the correct register if needed */ |
| 1811 | for(i = 0; i < nb_oargs; i++) { |
| 1812 | ts = &s->temps[args[i]]; |
| 1813 | reg = new_args[i]; |
| 1814 | if (ts->fixed_reg && ts->reg != reg) { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1815 | tcg_out_mov(s, ts->type, ts->reg, reg); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1816 | } |
| 1817 | } |
| 1818 | } |
| 1819 | |
| 1820 | #ifdef TCG_TARGET_STACK_GROWSUP |
| 1821 | #define STACK_DIR(x) (-(x)) |
| 1822 | #else |
| 1823 | #define STACK_DIR(x) (x) |
| 1824 | #endif |
| 1825 | |
| 1826 | static int tcg_reg_alloc_call(TCGContext *s, const TCGOpDef *def, |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1827 | TCGOpcode opc, const TCGArg *args, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1828 | unsigned int dead_iargs) |
| 1829 | { |
| 1830 | int nb_iargs, nb_oargs, flags, nb_regs, i, reg, nb_params; |
| 1831 | TCGArg arg, func_arg; |
| 1832 | TCGTemp *ts; |
| 1833 | tcg_target_long stack_offset, call_stack_size, func_addr; |
| 1834 | int const_func_arg, allocate_args; |
| 1835 | TCGRegSet allocated_regs; |
| 1836 | const TCGArgConstraint *arg_ct; |
| 1837 | |
| 1838 | arg = *args++; |
| 1839 | |
| 1840 | nb_oargs = arg >> 16; |
| 1841 | nb_iargs = arg & 0xffff; |
| 1842 | nb_params = nb_iargs - 1; |
| 1843 | |
| 1844 | flags = args[nb_oargs + nb_iargs]; |
| 1845 | |
| 1846 | nb_regs = tcg_target_get_call_iarg_regs_count(flags); |
| 1847 | if (nb_regs > nb_params) |
| 1848 | nb_regs = nb_params; |
| 1849 | |
| 1850 | /* assign stack slots first */ |
| 1851 | /* XXX: preallocate call stack */ |
| 1852 | call_stack_size = (nb_params - nb_regs) * sizeof(tcg_target_long); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1853 | call_stack_size = (call_stack_size + TCG_TARGET_STACK_ALIGN - 1) & |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1854 | ~(TCG_TARGET_STACK_ALIGN - 1); |
| 1855 | allocate_args = (call_stack_size > TCG_STATIC_CALL_ARGS_SIZE); |
| 1856 | if (allocate_args) { |
| 1857 | tcg_out_addi(s, TCG_REG_CALL_STACK, -STACK_DIR(call_stack_size)); |
| 1858 | } |
| 1859 | |
| 1860 | stack_offset = TCG_TARGET_CALL_STACK_OFFSET; |
| 1861 | for(i = nb_regs; i < nb_params; i++) { |
| 1862 | arg = args[nb_oargs + i]; |
| 1863 | #ifdef TCG_TARGET_STACK_GROWSUP |
| 1864 | stack_offset -= sizeof(tcg_target_long); |
| 1865 | #endif |
| 1866 | if (arg != TCG_CALL_DUMMY_ARG) { |
| 1867 | ts = &s->temps[arg]; |
| 1868 | if (ts->val_type == TEMP_VAL_REG) { |
| 1869 | tcg_out_st(s, ts->type, ts->reg, TCG_REG_CALL_STACK, stack_offset); |
| 1870 | } else if (ts->val_type == TEMP_VAL_MEM) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1871 | reg = tcg_reg_alloc(s, tcg_target_available_regs[ts->type], |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1872 | s->reserved_regs); |
| 1873 | /* XXX: not correct if reading values from the stack */ |
| 1874 | tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset); |
| 1875 | tcg_out_st(s, ts->type, reg, TCG_REG_CALL_STACK, stack_offset); |
| 1876 | } else if (ts->val_type == TEMP_VAL_CONST) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1877 | reg = tcg_reg_alloc(s, tcg_target_available_regs[ts->type], |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1878 | s->reserved_regs); |
| 1879 | /* XXX: sign extend may be needed on some targets */ |
| 1880 | tcg_out_movi(s, ts->type, reg, ts->val); |
| 1881 | tcg_out_st(s, ts->type, reg, TCG_REG_CALL_STACK, stack_offset); |
| 1882 | } else { |
| 1883 | tcg_abort(); |
| 1884 | } |
| 1885 | } |
| 1886 | #ifndef TCG_TARGET_STACK_GROWSUP |
| 1887 | stack_offset += sizeof(tcg_target_long); |
| 1888 | #endif |
| 1889 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1890 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1891 | /* assign input registers */ |
| 1892 | tcg_regset_set(allocated_regs, s->reserved_regs); |
| 1893 | for(i = 0; i < nb_regs; i++) { |
| 1894 | arg = args[nb_oargs + i]; |
| 1895 | if (arg != TCG_CALL_DUMMY_ARG) { |
| 1896 | ts = &s->temps[arg]; |
| 1897 | reg = tcg_target_call_iarg_regs[i]; |
| 1898 | tcg_reg_free(s, reg); |
| 1899 | if (ts->val_type == TEMP_VAL_REG) { |
| 1900 | if (ts->reg != reg) { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1901 | tcg_out_mov(s, ts->type, reg, ts->reg); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1902 | } |
| 1903 | } else if (ts->val_type == TEMP_VAL_MEM) { |
| 1904 | tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset); |
| 1905 | } else if (ts->val_type == TEMP_VAL_CONST) { |
| 1906 | /* XXX: sign extend ? */ |
| 1907 | tcg_out_movi(s, ts->type, reg, ts->val); |
| 1908 | } else { |
| 1909 | tcg_abort(); |
| 1910 | } |
| 1911 | tcg_regset_set_reg(allocated_regs, reg); |
| 1912 | } |
| 1913 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1914 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1915 | /* assign function address */ |
| 1916 | func_arg = args[nb_oargs + nb_iargs - 1]; |
| 1917 | arg_ct = &def->args_ct[0]; |
| 1918 | ts = &s->temps[func_arg]; |
| 1919 | func_addr = ts->val; |
| 1920 | const_func_arg = 0; |
| 1921 | if (ts->val_type == TEMP_VAL_MEM) { |
| 1922 | reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs); |
| 1923 | tcg_out_ld(s, ts->type, reg, ts->mem_reg, ts->mem_offset); |
| 1924 | func_arg = reg; |
| 1925 | tcg_regset_set_reg(allocated_regs, reg); |
| 1926 | } else if (ts->val_type == TEMP_VAL_REG) { |
| 1927 | reg = ts->reg; |
| 1928 | if (!tcg_regset_test_reg(arg_ct->u.regs, reg)) { |
| 1929 | reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs); |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1930 | tcg_out_mov(s, ts->type, reg, ts->reg); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1931 | } |
| 1932 | func_arg = reg; |
| 1933 | tcg_regset_set_reg(allocated_regs, reg); |
| 1934 | } else if (ts->val_type == TEMP_VAL_CONST) { |
| 1935 | if (tcg_target_const_match(func_addr, arg_ct)) { |
| 1936 | const_func_arg = 1; |
| 1937 | func_arg = func_addr; |
| 1938 | } else { |
| 1939 | reg = tcg_reg_alloc(s, arg_ct->u.regs, allocated_regs); |
| 1940 | tcg_out_movi(s, ts->type, reg, func_addr); |
| 1941 | func_arg = reg; |
| 1942 | tcg_regset_set_reg(allocated_regs, reg); |
| 1943 | } |
| 1944 | } else { |
| 1945 | tcg_abort(); |
| 1946 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1947 | |
| 1948 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1949 | /* mark dead temporaries and free the associated registers */ |
| 1950 | for(i = 0; i < nb_iargs; i++) { |
| 1951 | arg = args[nb_oargs + i]; |
| 1952 | if (IS_DEAD_IARG(i)) { |
| 1953 | ts = &s->temps[arg]; |
| 1954 | if (!ts->fixed_reg) { |
| 1955 | if (ts->val_type == TEMP_VAL_REG) |
| 1956 | s->reg_to_temp[ts->reg] = -1; |
| 1957 | ts->val_type = TEMP_VAL_DEAD; |
| 1958 | } |
| 1959 | } |
| 1960 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1961 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1962 | /* clobber call registers */ |
| 1963 | for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) { |
| 1964 | if (tcg_regset_test_reg(tcg_target_call_clobber_regs, reg)) { |
| 1965 | tcg_reg_free(s, reg); |
| 1966 | } |
| 1967 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1968 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1969 | /* store globals and free associated registers (we assume the call |
| 1970 | can modify any global. */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1971 | if (!(flags & TCG_CALL_CONST)) { |
| 1972 | save_globals(s, allocated_regs); |
| 1973 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1974 | |
| 1975 | tcg_out_op(s, opc, &func_arg, &const_func_arg); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1976 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1977 | if (allocate_args) { |
| 1978 | tcg_out_addi(s, TCG_REG_CALL_STACK, STACK_DIR(call_stack_size)); |
| 1979 | } |
| 1980 | |
| 1981 | /* assign output registers and emit moves if needed */ |
| 1982 | for(i = 0; i < nb_oargs; i++) { |
| 1983 | arg = args[i]; |
| 1984 | ts = &s->temps[arg]; |
| 1985 | reg = tcg_target_call_oarg_regs[i]; |
| 1986 | assert(s->reg_to_temp[reg] == -1); |
| 1987 | if (ts->fixed_reg) { |
| 1988 | if (ts->reg != reg) { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 1989 | tcg_out_mov(s, ts->type, ts->reg, reg); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1990 | } |
| 1991 | } else { |
| 1992 | if (ts->val_type == TEMP_VAL_REG) |
| 1993 | s->reg_to_temp[ts->reg] = -1; |
| 1994 | ts->val_type = TEMP_VAL_REG; |
| 1995 | ts->reg = reg; |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 1996 | ts->mem_coherent = 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1997 | s->reg_to_temp[reg] = arg; |
| 1998 | } |
| 1999 | } |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2000 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2001 | return nb_iargs + nb_oargs + def->nb_cargs + 1; |
| 2002 | } |
| 2003 | |
| 2004 | #ifdef CONFIG_PROFILER |
| 2005 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2006 | static int64_t tcg_table_op_count[NB_OPS]; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2007 | |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 2008 | static void dump_op_count(void) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2009 | { |
| 2010 | int i; |
| 2011 | FILE *f; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2012 | f = fopen("/tmp/op.log", "w"); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2013 | for(i = INDEX_op_end; i < NB_OPS; i++) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2014 | fprintf(f, "%s %" PRId64 "\n", tcg_op_defs[i].name, tcg_table_op_count[i]); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2015 | } |
| 2016 | fclose(f); |
| 2017 | } |
| 2018 | #endif |
| 2019 | |
| 2020 | |
| 2021 | static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf, |
| 2022 | long search_pc) |
| 2023 | { |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 2024 | TCGOpcode opc; |
| 2025 | int op_index; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2026 | const TCGOpDef *def; |
| 2027 | unsigned int dead_iargs; |
| 2028 | const TCGArg *args; |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2029 | #ifdef CONFIG_MEMCHECK |
| 2030 | unsigned int tpc2gpc_index = 0; |
| 2031 | #endif // CONFIG_MEMCHECK |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2032 | |
Andrew Hsieh | 0b39797 | 2012-06-11 17:03:18 +0800 | [diff] [blame^] | 2033 | #if !SUPPORT_GLOBAL_REGISTER_VARIABLE |
| 2034 | printf("ERROR: This emulator is built by compiler without global register variable\n" |
| 2035 | "support! Emulator reserves a register to point to target architecture state\n" |
| 2036 | "for better code generation. LLVM-based compilers such as clang and llvm-gcc\n" |
| 2037 | "currently don't support global register variable. Please see\n" |
| 2038 | "http://source.android.com/source/initializing.html for detail.\n\n"); |
| 2039 | tcg_abort(); |
| 2040 | #endif |
| 2041 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2042 | #ifdef DEBUG_DISAS |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2043 | if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) { |
| 2044 | qemu_log("OP:\n"); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2045 | tcg_dump_ops(s, logfile); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2046 | qemu_log("\n"); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2047 | } |
| 2048 | #endif |
| 2049 | |
| 2050 | #ifdef CONFIG_PROFILER |
| 2051 | s->la_time -= profile_getclock(); |
| 2052 | #endif |
| 2053 | tcg_liveness_analysis(s); |
| 2054 | #ifdef CONFIG_PROFILER |
| 2055 | s->la_time += profile_getclock(); |
| 2056 | #endif |
| 2057 | |
| 2058 | #ifdef DEBUG_DISAS |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2059 | if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP_OPT))) { |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 2060 | qemu_log("OP after liveness analysis:\n"); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2061 | tcg_dump_ops(s, logfile); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2062 | qemu_log("\n"); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2063 | } |
| 2064 | #endif |
| 2065 | |
| 2066 | tcg_reg_alloc_start(s); |
| 2067 | |
| 2068 | s->code_buf = gen_code_buf; |
| 2069 | s->code_ptr = gen_code_buf; |
| 2070 | |
| 2071 | args = gen_opparam_buf; |
| 2072 | op_index = 0; |
| 2073 | |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2074 | #ifdef CONFIG_MEMCHECK |
| 2075 | gen_opc_tpc2gpc_pairs = 0; |
| 2076 | #endif // CONFIG_MEMCHECK |
| 2077 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2078 | for(;;) { |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2079 | #ifdef CONFIG_MEMCHECK |
| 2080 | /* On condition that memcheck is enabled, and operation index reached |
| 2081 | * new operation in the guest code, save (pc_tb, pc_guest) pair into |
| 2082 | * gen_opc_tpc2gpc array. Note that we do that only on condition that |
| 2083 | * search_pc is < 0. This way we make sure that this is "normal" |
| 2084 | * translation, called from tcg_gen_code, and not from |
| 2085 | * tcg_gen_code_search_pc. */ |
| 2086 | if (memcheck_enabled && search_pc < 0 && |
| 2087 | gen_opc_instr_start[op_index]) { |
David 'Digit' Turner | d9b6cb9 | 2010-10-20 19:07:28 +0200 | [diff] [blame] | 2088 | gen_opc_tpc2gpc_ptr[tpc2gpc_index] = s->code_ptr; |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2089 | tpc2gpc_index++; |
David 'Digit' Turner | d9b6cb9 | 2010-10-20 19:07:28 +0200 | [diff] [blame] | 2090 | gen_opc_tpc2gpc_ptr[tpc2gpc_index] = (void*)(ptrdiff_t)gen_opc_pc[op_index]; |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2091 | tpc2gpc_index++; |
| 2092 | gen_opc_tpc2gpc_pairs++; |
| 2093 | } |
| 2094 | #endif // CONFIG_MEMCHECK |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2095 | opc = gen_opc_buf[op_index]; |
| 2096 | #ifdef CONFIG_PROFILER |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2097 | tcg_table_op_count[opc]++; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2098 | #endif |
| 2099 | def = &tcg_op_defs[opc]; |
| 2100 | #if 0 |
| 2101 | printf("%s: %d %d %d\n", def->name, |
| 2102 | def->nb_oargs, def->nb_iargs, def->nb_cargs); |
| 2103 | // dump_regs(s); |
| 2104 | #endif |
| 2105 | switch(opc) { |
| 2106 | case INDEX_op_mov_i32: |
| 2107 | #if TCG_TARGET_REG_BITS == 64 |
| 2108 | case INDEX_op_mov_i64: |
| 2109 | #endif |
| 2110 | dead_iargs = s->op_dead_iargs[op_index]; |
| 2111 | tcg_reg_alloc_mov(s, def, args, dead_iargs); |
| 2112 | break; |
| 2113 | case INDEX_op_movi_i32: |
| 2114 | #if TCG_TARGET_REG_BITS == 64 |
| 2115 | case INDEX_op_movi_i64: |
| 2116 | #endif |
| 2117 | tcg_reg_alloc_movi(s, args); |
| 2118 | break; |
| 2119 | case INDEX_op_debug_insn_start: |
| 2120 | /* debug instruction */ |
| 2121 | break; |
| 2122 | case INDEX_op_nop: |
| 2123 | case INDEX_op_nop1: |
| 2124 | case INDEX_op_nop2: |
| 2125 | case INDEX_op_nop3: |
| 2126 | break; |
| 2127 | case INDEX_op_nopn: |
| 2128 | args += args[0]; |
| 2129 | goto next; |
| 2130 | case INDEX_op_discard: |
| 2131 | { |
| 2132 | TCGTemp *ts; |
| 2133 | ts = &s->temps[args[0]]; |
| 2134 | /* mark the temporary as dead */ |
| 2135 | if (!ts->fixed_reg) { |
| 2136 | if (ts->val_type == TEMP_VAL_REG) |
| 2137 | s->reg_to_temp[ts->reg] = -1; |
| 2138 | ts->val_type = TEMP_VAL_DEAD; |
| 2139 | } |
| 2140 | } |
| 2141 | break; |
| 2142 | case INDEX_op_set_label: |
| 2143 | tcg_reg_alloc_bb_end(s, s->reserved_regs); |
| 2144 | tcg_out_label(s, args[0], (long)s->code_ptr); |
| 2145 | break; |
| 2146 | case INDEX_op_call: |
| 2147 | dead_iargs = s->op_dead_iargs[op_index]; |
| 2148 | args += tcg_reg_alloc_call(s, def, opc, args, dead_iargs); |
| 2149 | goto next; |
| 2150 | case INDEX_op_end: |
| 2151 | goto the_end; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2152 | default: |
| 2153 | /* Note: in order to speed up the code, it would be much |
| 2154 | faster to have specialized register allocator functions for |
| 2155 | some common argument patterns */ |
| 2156 | dead_iargs = s->op_dead_iargs[op_index]; |
| 2157 | tcg_reg_alloc_op(s, def, opc, args, dead_iargs); |
| 2158 | break; |
| 2159 | } |
| 2160 | args += def->nb_args; |
| 2161 | next: |
| 2162 | if (search_pc >= 0 && search_pc < s->code_ptr - gen_code_buf) { |
| 2163 | return op_index; |
| 2164 | } |
| 2165 | op_index++; |
| 2166 | #ifndef NDEBUG |
| 2167 | check_regs(s); |
| 2168 | #endif |
| 2169 | } |
| 2170 | the_end: |
| 2171 | return -1; |
| 2172 | } |
| 2173 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2174 | int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2175 | { |
| 2176 | #ifdef CONFIG_PROFILER |
| 2177 | { |
| 2178 | int n; |
| 2179 | n = (gen_opc_ptr - gen_opc_buf); |
| 2180 | s->op_count += n; |
| 2181 | if (n > s->op_count_max) |
| 2182 | s->op_count_max = n; |
| 2183 | |
| 2184 | s->temp_count += s->nb_temps; |
| 2185 | if (s->nb_temps > s->temp_count_max) |
| 2186 | s->temp_count_max = s->nb_temps; |
| 2187 | } |
| 2188 | #endif |
| 2189 | |
David 'Digit' Turner | bcc6ae1 | 2009-10-06 11:18:29 -0700 | [diff] [blame] | 2190 | /* sanity check */ |
| 2191 | if (gen_opc_ptr - gen_opc_buf > OPC_BUF_SIZE) { |
| 2192 | fprintf(stderr, "PANIC: too many opcodes generated (%d > %d)\n", |
David 'Digit' Turner | d9b6cb9 | 2010-10-20 19:07:28 +0200 | [diff] [blame] | 2193 | (int)(gen_opc_ptr - gen_opc_buf), OPC_BUF_SIZE); |
David 'Digit' Turner | bcc6ae1 | 2009-10-06 11:18:29 -0700 | [diff] [blame] | 2194 | tcg_abort(); |
| 2195 | } |
| 2196 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2197 | tcg_gen_code_common(s, gen_code_buf, -1); |
| 2198 | |
| 2199 | /* flush instruction cache */ |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2200 | flush_icache_range((unsigned long)gen_code_buf, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2201 | (unsigned long)s->code_ptr); |
| 2202 | return s->code_ptr - gen_code_buf; |
| 2203 | } |
| 2204 | |
| 2205 | /* Return the index of the micro operation such as the pc after is < |
| 2206 | offset bytes from the start of the TB. The contents of gen_code_buf must |
| 2207 | not be changed, though writing the same values is ok. |
| 2208 | Return -1 if not found. */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2209 | int tcg_gen_code_search_pc(TCGContext *s, uint8_t *gen_code_buf, long offset) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2210 | { |
| 2211 | return tcg_gen_code_common(s, gen_code_buf, offset); |
| 2212 | } |
| 2213 | |
| 2214 | #ifdef CONFIG_PROFILER |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 2215 | void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2216 | { |
| 2217 | TCGContext *s = &tcg_ctx; |
| 2218 | int64_t tot; |
| 2219 | |
| 2220 | tot = s->interm_time + s->code_time; |
| 2221 | cpu_fprintf(f, "JIT cycles %" PRId64 " (%0.3f s at 2.4 GHz)\n", |
| 2222 | tot, tot / 2.4e9); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2223 | cpu_fprintf(f, "translated TBs %" PRId64 " (aborted=%" PRId64 " %0.1f%%)\n", |
| 2224 | s->tb_count, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2225 | s->tb_count1 - s->tb_count, |
| 2226 | s->tb_count1 ? (double)(s->tb_count1 - s->tb_count) / s->tb_count1 * 100.0 : 0); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2227 | cpu_fprintf(f, "avg ops/TB %0.1f max=%d\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2228 | s->tb_count ? (double)s->op_count / s->tb_count : 0, s->op_count_max); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2229 | cpu_fprintf(f, "deleted ops/TB %0.2f\n", |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2230 | s->tb_count ? |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2231 | (double)s->del_op_count / s->tb_count : 0); |
| 2232 | cpu_fprintf(f, "avg temps/TB %0.2f max=%d\n", |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2233 | s->tb_count ? |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2234 | (double)s->temp_count / s->tb_count : 0, |
| 2235 | s->temp_count_max); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2236 | |
| 2237 | cpu_fprintf(f, "cycles/op %0.1f\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2238 | s->op_count ? (double)tot / s->op_count : 0); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2239 | cpu_fprintf(f, "cycles/in byte %0.1f\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2240 | s->code_in_len ? (double)tot / s->code_in_len : 0); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2241 | cpu_fprintf(f, "cycles/out byte %0.1f\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2242 | s->code_out_len ? (double)tot / s->code_out_len : 0); |
| 2243 | if (tot == 0) |
| 2244 | tot = 1; |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2245 | cpu_fprintf(f, " gen_interm time %0.1f%%\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2246 | (double)s->interm_time / tot * 100.0); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2247 | cpu_fprintf(f, " gen_code time %0.1f%%\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2248 | (double)s->code_time / tot * 100.0); |
Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 2249 | cpu_fprintf(f, "liveness/code time %0.1f%%\n", |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2250 | (double)s->la_time / (s->code_time ? s->code_time : 1) * 100.0); |
| 2251 | cpu_fprintf(f, "cpu_restore count %" PRId64 "\n", |
| 2252 | s->restore_count); |
| 2253 | cpu_fprintf(f, " avg cycles %0.1f\n", |
| 2254 | s->restore_count ? (double)s->restore_time / s->restore_count : 0); |
David 'Digit' Turner | b931772 | 2010-05-10 18:53:56 -0700 | [diff] [blame] | 2255 | |
| 2256 | dump_op_count(); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2257 | } |
| 2258 | #else |
David 'Digit' Turner | f1d9bf1 | 2011-05-11 18:19:41 +0200 | [diff] [blame] | 2259 | void tcg_dump_info(FILE *f, fprintf_function cpu_fprintf) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2260 | { |
| 2261 | cpu_fprintf(f, "[TCG profiler not compiled]\n"); |
| 2262 | } |
| 2263 | #endif |