Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1 | /* |
| 2 | * PowerPC integer and vector emulation helpers for QEMU. |
| 3 | * |
| 4 | * Copyright (c) 2003-2007 Jocelyn Mayer |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | #include "cpu.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 20 | #include "qemu/host-utils.h" |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 21 | #include "helper.h" |
| 22 | |
| 23 | #include "helper_regs.h" |
| 24 | /*****************************************************************************/ |
| 25 | /* Fixed point operations helpers */ |
| 26 | #if defined(TARGET_PPC64) |
| 27 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 28 | uint64_t helper_mulldo(CPUPPCState *env, uint64_t arg1, uint64_t arg2) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 29 | { |
| 30 | int64_t th; |
| 31 | uint64_t tl; |
| 32 | |
| 33 | muls64(&tl, (uint64_t *)&th, arg1, arg2); |
| 34 | /* If th != 0 && th != -1, then we had an overflow */ |
| 35 | if (likely((uint64_t)(th + 1) <= 1)) { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 36 | env->ov = 0; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 37 | } else { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 38 | env->so = env->ov = 1; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 39 | } |
| 40 | return (int64_t)tl; |
| 41 | } |
| 42 | #endif |
| 43 | |
| 44 | target_ulong helper_cntlzw(target_ulong t) |
| 45 | { |
| 46 | return clz32(t); |
| 47 | } |
| 48 | |
| 49 | #if defined(TARGET_PPC64) |
| 50 | target_ulong helper_cntlzd(target_ulong t) |
| 51 | { |
| 52 | return clz64(t); |
| 53 | } |
| 54 | #endif |
| 55 | |
Aurelien Jarno | fcfda20 | 2013-04-20 08:56:16 +0000 | [diff] [blame] | 56 | target_ulong helper_cmpb(target_ulong rs, target_ulong rb) |
| 57 | { |
| 58 | target_ulong mask = 0xff; |
| 59 | target_ulong ra = 0; |
| 60 | int i; |
| 61 | |
| 62 | for (i = 0; i < sizeof(target_ulong); i++) { |
| 63 | if ((rs & mask) == (rb & mask)) { |
| 64 | ra |= mask; |
| 65 | } |
| 66 | mask <<= 8; |
| 67 | } |
| 68 | return ra; |
| 69 | } |
| 70 | |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 71 | /* shift right arithmetic helper */ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 72 | target_ulong helper_sraw(CPUPPCState *env, target_ulong value, |
| 73 | target_ulong shift) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 74 | { |
| 75 | int32_t ret; |
| 76 | |
| 77 | if (likely(!(shift & 0x20))) { |
| 78 | if (likely((uint32_t)shift != 0)) { |
| 79 | shift &= 0x1f; |
| 80 | ret = (int32_t)value >> shift; |
| 81 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 82 | env->ca = 0; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 83 | } else { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 84 | env->ca = 1; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 85 | } |
| 86 | } else { |
| 87 | ret = (int32_t)value; |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 88 | env->ca = 0; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 89 | } |
| 90 | } else { |
| 91 | ret = (int32_t)value >> 31; |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 92 | env->ca = (ret != 0); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 93 | } |
| 94 | return (target_long)ret; |
| 95 | } |
| 96 | |
| 97 | #if defined(TARGET_PPC64) |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 98 | target_ulong helper_srad(CPUPPCState *env, target_ulong value, |
| 99 | target_ulong shift) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 100 | { |
| 101 | int64_t ret; |
| 102 | |
| 103 | if (likely(!(shift & 0x40))) { |
| 104 | if (likely((uint64_t)shift != 0)) { |
| 105 | shift &= 0x3f; |
| 106 | ret = (int64_t)value >> shift; |
| 107 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 108 | env->ca = 0; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 109 | } else { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 110 | env->ca = 1; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 111 | } |
| 112 | } else { |
| 113 | ret = (int64_t)value; |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 114 | env->ca = 0; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 115 | } |
| 116 | } else { |
| 117 | ret = (int64_t)value >> 63; |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 118 | env->ca = (ret != 0); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 119 | } |
| 120 | return ret; |
| 121 | } |
| 122 | #endif |
| 123 | |
| 124 | #if defined(TARGET_PPC64) |
| 125 | target_ulong helper_popcntb(target_ulong val) |
| 126 | { |
| 127 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & |
| 128 | 0x5555555555555555ULL); |
| 129 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & |
| 130 | 0x3333333333333333ULL); |
| 131 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & |
| 132 | 0x0f0f0f0f0f0f0f0fULL); |
| 133 | return val; |
| 134 | } |
| 135 | |
| 136 | target_ulong helper_popcntw(target_ulong val) |
| 137 | { |
| 138 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & |
| 139 | 0x5555555555555555ULL); |
| 140 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & |
| 141 | 0x3333333333333333ULL); |
| 142 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & |
| 143 | 0x0f0f0f0f0f0f0f0fULL); |
| 144 | val = (val & 0x00ff00ff00ff00ffULL) + ((val >> 8) & |
| 145 | 0x00ff00ff00ff00ffULL); |
| 146 | val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) & |
| 147 | 0x0000ffff0000ffffULL); |
| 148 | return val; |
| 149 | } |
| 150 | |
| 151 | target_ulong helper_popcntd(target_ulong val) |
| 152 | { |
| 153 | return ctpop64(val); |
| 154 | } |
| 155 | #else |
| 156 | target_ulong helper_popcntb(target_ulong val) |
| 157 | { |
| 158 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); |
| 159 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); |
| 160 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); |
| 161 | return val; |
| 162 | } |
| 163 | |
| 164 | target_ulong helper_popcntw(target_ulong val) |
| 165 | { |
| 166 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); |
| 167 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); |
| 168 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); |
| 169 | val = (val & 0x00ff00ff) + ((val >> 8) & 0x00ff00ff); |
| 170 | val = (val & 0x0000ffff) + ((val >> 16) & 0x0000ffff); |
| 171 | return val; |
| 172 | } |
| 173 | #endif |
| 174 | |
| 175 | /*****************************************************************************/ |
| 176 | /* PowerPC 601 specific instructions (POWER bridge) */ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 177 | target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 178 | { |
| 179 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; |
| 180 | |
| 181 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
| 182 | (int32_t)arg2 == 0) { |
| 183 | env->spr[SPR_MQ] = 0; |
| 184 | return INT32_MIN; |
| 185 | } else { |
| 186 | env->spr[SPR_MQ] = tmp % arg2; |
| 187 | return tmp / (int32_t)arg2; |
| 188 | } |
| 189 | } |
| 190 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 191 | target_ulong helper_divo(CPUPPCState *env, target_ulong arg1, |
| 192 | target_ulong arg2) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 193 | { |
| 194 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ]; |
| 195 | |
| 196 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
| 197 | (int32_t)arg2 == 0) { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 198 | env->so = env->ov = 1; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 199 | env->spr[SPR_MQ] = 0; |
| 200 | return INT32_MIN; |
| 201 | } else { |
| 202 | env->spr[SPR_MQ] = tmp % arg2; |
| 203 | tmp /= (int32_t)arg2; |
| 204 | if ((int32_t)tmp != tmp) { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 205 | env->so = env->ov = 1; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 206 | } else { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 207 | env->ov = 0; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 208 | } |
| 209 | return tmp; |
| 210 | } |
| 211 | } |
| 212 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 213 | target_ulong helper_divs(CPUPPCState *env, target_ulong arg1, |
| 214 | target_ulong arg2) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 215 | { |
| 216 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
| 217 | (int32_t)arg2 == 0) { |
| 218 | env->spr[SPR_MQ] = 0; |
| 219 | return INT32_MIN; |
| 220 | } else { |
| 221 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
| 222 | return (int32_t)arg1 / (int32_t)arg2; |
| 223 | } |
| 224 | } |
| 225 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 226 | target_ulong helper_divso(CPUPPCState *env, target_ulong arg1, |
| 227 | target_ulong arg2) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 228 | { |
| 229 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
| 230 | (int32_t)arg2 == 0) { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 231 | env->so = env->ov = 1; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 232 | env->spr[SPR_MQ] = 0; |
| 233 | return INT32_MIN; |
| 234 | } else { |
Richard Henderson | da91a00 | 2013-02-19 23:52:13 -0800 | [diff] [blame] | 235 | env->ov = 0; |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 236 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
| 237 | return (int32_t)arg1 / (int32_t)arg2; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | /*****************************************************************************/ |
| 242 | /* 602 specific instructions */ |
| 243 | /* mfrom is the most crazy instruction ever seen, imho ! */ |
| 244 | /* Real implementation uses a ROM table. Do the same */ |
| 245 | /* Extremely decomposed: |
| 246 | * -arg / 256 |
| 247 | * return 256 * log10(10 + 1.0) + 0.5 |
| 248 | */ |
| 249 | #if !defined(CONFIG_USER_ONLY) |
| 250 | target_ulong helper_602_mfrom(target_ulong arg) |
| 251 | { |
| 252 | if (likely(arg < 602)) { |
| 253 | #include "mfrom_table.c" |
| 254 | return mfrom_ROM_table[arg]; |
| 255 | } else { |
| 256 | return 0; |
| 257 | } |
| 258 | } |
| 259 | #endif |
| 260 | |
| 261 | /*****************************************************************************/ |
| 262 | /* Altivec extension helpers */ |
| 263 | #if defined(HOST_WORDS_BIGENDIAN) |
| 264 | #define HI_IDX 0 |
| 265 | #define LO_IDX 1 |
| 266 | #else |
| 267 | #define HI_IDX 1 |
| 268 | #define LO_IDX 0 |
| 269 | #endif |
| 270 | |
| 271 | #if defined(HOST_WORDS_BIGENDIAN) |
| 272 | #define VECTOR_FOR_INORDER_I(index, element) \ |
| 273 | for (index = 0; index < ARRAY_SIZE(r->element); index++) |
| 274 | #else |
| 275 | #define VECTOR_FOR_INORDER_I(index, element) \ |
| 276 | for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--) |
| 277 | #endif |
| 278 | |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 279 | /* Saturating arithmetic helpers. */ |
| 280 | #define SATCVT(from, to, from_type, to_type, min, max) \ |
| 281 | static inline to_type cvt##from##to(from_type x, int *sat) \ |
| 282 | { \ |
| 283 | to_type r; \ |
| 284 | \ |
| 285 | if (x < (from_type)min) { \ |
| 286 | r = min; \ |
| 287 | *sat = 1; \ |
| 288 | } else if (x > (from_type)max) { \ |
| 289 | r = max; \ |
| 290 | *sat = 1; \ |
| 291 | } else { \ |
| 292 | r = x; \ |
| 293 | } \ |
| 294 | return r; \ |
| 295 | } |
| 296 | #define SATCVTU(from, to, from_type, to_type, min, max) \ |
| 297 | static inline to_type cvt##from##to(from_type x, int *sat) \ |
| 298 | { \ |
| 299 | to_type r; \ |
| 300 | \ |
| 301 | if (x > (from_type)max) { \ |
| 302 | r = max; \ |
| 303 | *sat = 1; \ |
| 304 | } else { \ |
| 305 | r = x; \ |
| 306 | } \ |
| 307 | return r; \ |
| 308 | } |
| 309 | SATCVT(sh, sb, int16_t, int8_t, INT8_MIN, INT8_MAX) |
| 310 | SATCVT(sw, sh, int32_t, int16_t, INT16_MIN, INT16_MAX) |
| 311 | SATCVT(sd, sw, int64_t, int32_t, INT32_MIN, INT32_MAX) |
| 312 | |
| 313 | SATCVTU(uh, ub, uint16_t, uint8_t, 0, UINT8_MAX) |
| 314 | SATCVTU(uw, uh, uint32_t, uint16_t, 0, UINT16_MAX) |
| 315 | SATCVTU(ud, uw, uint64_t, uint32_t, 0, UINT32_MAX) |
| 316 | SATCVT(sh, ub, int16_t, uint8_t, 0, UINT8_MAX) |
| 317 | SATCVT(sw, uh, int32_t, uint16_t, 0, UINT16_MAX) |
| 318 | SATCVT(sd, uw, int64_t, uint32_t, 0, UINT32_MAX) |
| 319 | #undef SATCVT |
| 320 | #undef SATCVTU |
| 321 | |
| 322 | void helper_lvsl(ppc_avr_t *r, target_ulong sh) |
| 323 | { |
| 324 | int i, j = (sh & 0xf); |
| 325 | |
| 326 | VECTOR_FOR_INORDER_I(i, u8) { |
| 327 | r->u8[i] = j++; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | void helper_lvsr(ppc_avr_t *r, target_ulong sh) |
| 332 | { |
| 333 | int i, j = 0x10 - (sh & 0xf); |
| 334 | |
| 335 | VECTOR_FOR_INORDER_I(i, u8) { |
| 336 | r->u8[i] = j++; |
| 337 | } |
| 338 | } |
| 339 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 340 | void helper_mtvscr(CPUPPCState *env, ppc_avr_t *r) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 341 | { |
| 342 | #if defined(HOST_WORDS_BIGENDIAN) |
| 343 | env->vscr = r->u32[3]; |
| 344 | #else |
| 345 | env->vscr = r->u32[0]; |
| 346 | #endif |
| 347 | set_flush_to_zero(vscr_nj, &env->vec_status); |
| 348 | } |
| 349 | |
| 350 | void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
| 351 | { |
| 352 | int i; |
| 353 | |
| 354 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { |
| 355 | r->u32[i] = ~a->u32[i] < b->u32[i]; |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | #define VARITH_DO(name, op, element) \ |
| 360 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 361 | { \ |
| 362 | int i; \ |
| 363 | \ |
| 364 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 365 | r->element[i] = a->element[i] op b->element[i]; \ |
| 366 | } \ |
| 367 | } |
| 368 | #define VARITH(suffix, element) \ |
| 369 | VARITH_DO(add##suffix, +, element) \ |
| 370 | VARITH_DO(sub##suffix, -, element) |
| 371 | VARITH(ubm, u8) |
| 372 | VARITH(uhm, u16) |
| 373 | VARITH(uwm, u32) |
| 374 | #undef VARITH_DO |
| 375 | #undef VARITH |
| 376 | |
| 377 | #define VARITHFP(suffix, func) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 378 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
| 379 | ppc_avr_t *b) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 380 | { \ |
| 381 | int i; \ |
| 382 | \ |
| 383 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ |
Aurelien Jarno | ef9bd15 | 2012-09-11 08:47:10 +0000 | [diff] [blame] | 384 | r->f[i] = func(a->f[i], b->f[i], &env->vec_status); \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 385 | } \ |
| 386 | } |
| 387 | VARITHFP(addfp, float32_add) |
| 388 | VARITHFP(subfp, float32_sub) |
Aurelien Jarno | db1babb | 2012-09-11 08:47:11 +0000 | [diff] [blame] | 389 | VARITHFP(minfp, float32_min) |
| 390 | VARITHFP(maxfp, float32_max) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 391 | #undef VARITHFP |
| 392 | |
Aurelien Jarno | 2f93c23 | 2012-09-11 08:47:12 +0000 | [diff] [blame] | 393 | #define VARITHFPFMA(suffix, type) \ |
| 394 | void helper_v##suffix(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
| 395 | ppc_avr_t *b, ppc_avr_t *c) \ |
| 396 | { \ |
| 397 | int i; \ |
| 398 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ |
| 399 | r->f[i] = float32_muladd(a->f[i], c->f[i], b->f[i], \ |
| 400 | type, &env->vec_status); \ |
| 401 | } \ |
| 402 | } |
| 403 | VARITHFPFMA(maddfp, 0); |
| 404 | VARITHFPFMA(nmsubfp, float_muladd_negate_result | float_muladd_negate_c); |
| 405 | #undef VARITHFPFMA |
| 406 | |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 407 | #define VARITHSAT_CASE(type, op, cvt, element) \ |
| 408 | { \ |
| 409 | type result = (type)a->element[i] op (type)b->element[i]; \ |
| 410 | r->element[i] = cvt(result, &sat); \ |
| 411 | } |
| 412 | |
| 413 | #define VARITHSAT_DO(name, op, optype, cvt, element) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 414 | void helper_v##name(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, \ |
| 415 | ppc_avr_t *b) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 416 | { \ |
| 417 | int sat = 0; \ |
| 418 | int i; \ |
| 419 | \ |
| 420 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 421 | switch (sizeof(r->element[0])) { \ |
| 422 | case 1: \ |
| 423 | VARITHSAT_CASE(optype, op, cvt, element); \ |
| 424 | break; \ |
| 425 | case 2: \ |
| 426 | VARITHSAT_CASE(optype, op, cvt, element); \ |
| 427 | break; \ |
| 428 | case 4: \ |
| 429 | VARITHSAT_CASE(optype, op, cvt, element); \ |
| 430 | break; \ |
| 431 | } \ |
| 432 | } \ |
| 433 | if (sat) { \ |
| 434 | env->vscr |= (1 << VSCR_SAT); \ |
| 435 | } \ |
| 436 | } |
| 437 | #define VARITHSAT_SIGNED(suffix, element, optype, cvt) \ |
| 438 | VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \ |
| 439 | VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element) |
| 440 | #define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \ |
| 441 | VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \ |
| 442 | VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element) |
| 443 | VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb) |
| 444 | VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh) |
| 445 | VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw) |
| 446 | VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub) |
| 447 | VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh) |
| 448 | VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw) |
| 449 | #undef VARITHSAT_CASE |
| 450 | #undef VARITHSAT_DO |
| 451 | #undef VARITHSAT_SIGNED |
| 452 | #undef VARITHSAT_UNSIGNED |
| 453 | |
| 454 | #define VAVG_DO(name, element, etype) \ |
| 455 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 456 | { \ |
| 457 | int i; \ |
| 458 | \ |
| 459 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 460 | etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \ |
| 461 | r->element[i] = x >> 1; \ |
| 462 | } \ |
| 463 | } |
| 464 | |
| 465 | #define VAVG(type, signed_element, signed_type, unsigned_element, \ |
| 466 | unsigned_type) \ |
| 467 | VAVG_DO(avgs##type, signed_element, signed_type) \ |
| 468 | VAVG_DO(avgu##type, unsigned_element, unsigned_type) |
| 469 | VAVG(b, s8, int16_t, u8, uint16_t) |
| 470 | VAVG(h, s16, int32_t, u16, uint32_t) |
| 471 | VAVG(w, s32, int64_t, u32, uint64_t) |
| 472 | #undef VAVG_DO |
| 473 | #undef VAVG |
| 474 | |
| 475 | #define VCF(suffix, cvt, element) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 476 | void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
| 477 | ppc_avr_t *b, uint32_t uim) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 478 | { \ |
| 479 | int i; \ |
| 480 | \ |
| 481 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ |
| 482 | float32 t = cvt(b->element[i], &env->vec_status); \ |
| 483 | r->f[i] = float32_scalbn(t, -uim, &env->vec_status); \ |
| 484 | } \ |
| 485 | } |
| 486 | VCF(ux, uint32_to_float32, u32) |
| 487 | VCF(sx, int32_to_float32, s32) |
| 488 | #undef VCF |
| 489 | |
| 490 | #define VCMP_DO(suffix, compare, element, record) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 491 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
| 492 | ppc_avr_t *a, ppc_avr_t *b) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 493 | { \ |
| 494 | uint32_t ones = (uint32_t)-1; \ |
| 495 | uint32_t all = ones; \ |
| 496 | uint32_t none = 0; \ |
| 497 | int i; \ |
| 498 | \ |
| 499 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 500 | uint32_t result = (a->element[i] compare b->element[i] ? \ |
| 501 | ones : 0x0); \ |
| 502 | switch (sizeof(a->element[0])) { \ |
| 503 | case 4: \ |
| 504 | r->u32[i] = result; \ |
| 505 | break; \ |
| 506 | case 2: \ |
| 507 | r->u16[i] = result; \ |
| 508 | break; \ |
| 509 | case 1: \ |
| 510 | r->u8[i] = result; \ |
| 511 | break; \ |
| 512 | } \ |
| 513 | all &= result; \ |
| 514 | none |= result; \ |
| 515 | } \ |
| 516 | if (record) { \ |
| 517 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ |
| 518 | } \ |
| 519 | } |
| 520 | #define VCMP(suffix, compare, element) \ |
| 521 | VCMP_DO(suffix, compare, element, 0) \ |
| 522 | VCMP_DO(suffix##_dot, compare, element, 1) |
| 523 | VCMP(equb, ==, u8) |
| 524 | VCMP(equh, ==, u16) |
| 525 | VCMP(equw, ==, u32) |
| 526 | VCMP(gtub, >, u8) |
| 527 | VCMP(gtuh, >, u16) |
| 528 | VCMP(gtuw, >, u32) |
| 529 | VCMP(gtsb, >, s8) |
| 530 | VCMP(gtsh, >, s16) |
| 531 | VCMP(gtsw, >, s32) |
| 532 | #undef VCMP_DO |
| 533 | #undef VCMP |
| 534 | |
| 535 | #define VCMPFP_DO(suffix, compare, order, record) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 536 | void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
| 537 | ppc_avr_t *a, ppc_avr_t *b) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 538 | { \ |
| 539 | uint32_t ones = (uint32_t)-1; \ |
| 540 | uint32_t all = ones; \ |
| 541 | uint32_t none = 0; \ |
| 542 | int i; \ |
| 543 | \ |
| 544 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ |
| 545 | uint32_t result; \ |
| 546 | int rel = float32_compare_quiet(a->f[i], b->f[i], \ |
| 547 | &env->vec_status); \ |
| 548 | if (rel == float_relation_unordered) { \ |
| 549 | result = 0; \ |
| 550 | } else if (rel compare order) { \ |
| 551 | result = ones; \ |
| 552 | } else { \ |
| 553 | result = 0; \ |
| 554 | } \ |
| 555 | r->u32[i] = result; \ |
| 556 | all &= result; \ |
| 557 | none |= result; \ |
| 558 | } \ |
| 559 | if (record) { \ |
| 560 | env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \ |
| 561 | } \ |
| 562 | } |
| 563 | #define VCMPFP(suffix, compare, order) \ |
| 564 | VCMPFP_DO(suffix, compare, order, 0) \ |
| 565 | VCMPFP_DO(suffix##_dot, compare, order, 1) |
| 566 | VCMPFP(eqfp, ==, float_relation_equal) |
| 567 | VCMPFP(gefp, !=, float_relation_less) |
| 568 | VCMPFP(gtfp, ==, float_relation_greater) |
| 569 | #undef VCMPFP_DO |
| 570 | #undef VCMPFP |
| 571 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 572 | static inline void vcmpbfp_internal(CPUPPCState *env, ppc_avr_t *r, |
| 573 | ppc_avr_t *a, ppc_avr_t *b, int record) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 574 | { |
| 575 | int i; |
| 576 | int all_in = 0; |
| 577 | |
| 578 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { |
| 579 | int le_rel = float32_compare_quiet(a->f[i], b->f[i], &env->vec_status); |
| 580 | if (le_rel == float_relation_unordered) { |
| 581 | r->u32[i] = 0xc0000000; |
| 582 | /* ALL_IN does not need to be updated here. */ |
| 583 | } else { |
| 584 | float32 bneg = float32_chs(b->f[i]); |
| 585 | int ge_rel = float32_compare_quiet(a->f[i], bneg, &env->vec_status); |
| 586 | int le = le_rel != float_relation_greater; |
| 587 | int ge = ge_rel != float_relation_less; |
| 588 | |
| 589 | r->u32[i] = ((!le) << 31) | ((!ge) << 30); |
| 590 | all_in |= (!le | !ge); |
| 591 | } |
| 592 | } |
| 593 | if (record) { |
| 594 | env->crf[6] = (all_in == 0) << 1; |
| 595 | } |
| 596 | } |
| 597 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 598 | void helper_vcmpbfp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 599 | { |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 600 | vcmpbfp_internal(env, r, a, b, 0); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 601 | } |
| 602 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 603 | void helper_vcmpbfp_dot(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 604 | ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 605 | { |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 606 | vcmpbfp_internal(env, r, a, b, 1); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 607 | } |
| 608 | |
| 609 | #define VCT(suffix, satcvt, element) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 610 | void helper_vct##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
| 611 | ppc_avr_t *b, uint32_t uim) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 612 | { \ |
| 613 | int i; \ |
| 614 | int sat = 0; \ |
| 615 | float_status s = env->vec_status; \ |
| 616 | \ |
| 617 | set_float_rounding_mode(float_round_to_zero, &s); \ |
| 618 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ |
| 619 | if (float32_is_any_nan(b->f[i])) { \ |
| 620 | r->element[i] = 0; \ |
| 621 | } else { \ |
| 622 | float64 t = float32_to_float64(b->f[i], &s); \ |
| 623 | int64_t j; \ |
| 624 | \ |
| 625 | t = float64_scalbn(t, uim, &s); \ |
| 626 | j = float64_to_int64(t, &s); \ |
| 627 | r->element[i] = satcvt(j, &sat); \ |
| 628 | } \ |
| 629 | } \ |
| 630 | if (sat) { \ |
| 631 | env->vscr |= (1 << VSCR_SAT); \ |
| 632 | } \ |
| 633 | } |
| 634 | VCT(uxs, cvtsduw, u32) |
| 635 | VCT(sxs, cvtsdsw, s32) |
| 636 | #undef VCT |
| 637 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 638 | void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 639 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 640 | { |
| 641 | int sat = 0; |
| 642 | int i; |
| 643 | |
| 644 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { |
| 645 | int32_t prod = a->s16[i] * b->s16[i]; |
| 646 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); |
| 647 | |
| 648 | r->s16[i] = cvtswsh(t, &sat); |
| 649 | } |
| 650 | |
| 651 | if (sat) { |
| 652 | env->vscr |= (1 << VSCR_SAT); |
| 653 | } |
| 654 | } |
| 655 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 656 | void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 657 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 658 | { |
| 659 | int sat = 0; |
| 660 | int i; |
| 661 | |
| 662 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { |
| 663 | int32_t prod = a->s16[i] * b->s16[i] + 0x00004000; |
| 664 | int32_t t = (int32_t)c->s16[i] + (prod >> 15); |
| 665 | r->s16[i] = cvtswsh(t, &sat); |
| 666 | } |
| 667 | |
| 668 | if (sat) { |
| 669 | env->vscr |= (1 << VSCR_SAT); |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | #define VMINMAX_DO(name, compare, element) \ |
| 674 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 675 | { \ |
| 676 | int i; \ |
| 677 | \ |
| 678 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 679 | if (a->element[i] compare b->element[i]) { \ |
| 680 | r->element[i] = b->element[i]; \ |
| 681 | } else { \ |
| 682 | r->element[i] = a->element[i]; \ |
| 683 | } \ |
| 684 | } \ |
| 685 | } |
| 686 | #define VMINMAX(suffix, element) \ |
| 687 | VMINMAX_DO(min##suffix, >, element) \ |
| 688 | VMINMAX_DO(max##suffix, <, element) |
| 689 | VMINMAX(sb, s8) |
| 690 | VMINMAX(sh, s16) |
| 691 | VMINMAX(sw, s32) |
| 692 | VMINMAX(ub, u8) |
| 693 | VMINMAX(uh, u16) |
| 694 | VMINMAX(uw, u32) |
| 695 | #undef VMINMAX_DO |
| 696 | #undef VMINMAX |
| 697 | |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 698 | void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) |
| 699 | { |
| 700 | int i; |
| 701 | |
| 702 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { |
| 703 | int32_t prod = a->s16[i] * b->s16[i]; |
| 704 | r->s16[i] = (int16_t) (prod + c->s16[i]); |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | #define VMRG_DO(name, element, highp) \ |
| 709 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 710 | { \ |
| 711 | ppc_avr_t result; \ |
| 712 | int i; \ |
| 713 | size_t n_elems = ARRAY_SIZE(r->element); \ |
| 714 | \ |
| 715 | for (i = 0; i < n_elems / 2; i++) { \ |
| 716 | if (highp) { \ |
| 717 | result.element[i*2+HI_IDX] = a->element[i]; \ |
| 718 | result.element[i*2+LO_IDX] = b->element[i]; \ |
| 719 | } else { \ |
| 720 | result.element[n_elems - i * 2 - (1 + HI_IDX)] = \ |
| 721 | b->element[n_elems - i - 1]; \ |
| 722 | result.element[n_elems - i * 2 - (1 + LO_IDX)] = \ |
| 723 | a->element[n_elems - i - 1]; \ |
| 724 | } \ |
| 725 | } \ |
| 726 | *r = result; \ |
| 727 | } |
| 728 | #if defined(HOST_WORDS_BIGENDIAN) |
| 729 | #define MRGHI 0 |
| 730 | #define MRGLO 1 |
| 731 | #else |
| 732 | #define MRGHI 1 |
| 733 | #define MRGLO 0 |
| 734 | #endif |
| 735 | #define VMRG(suffix, element) \ |
| 736 | VMRG_DO(mrgl##suffix, element, MRGHI) \ |
| 737 | VMRG_DO(mrgh##suffix, element, MRGLO) |
| 738 | VMRG(b, u8) |
| 739 | VMRG(h, u16) |
| 740 | VMRG(w, u32) |
| 741 | #undef VMRG_DO |
| 742 | #undef VMRG |
| 743 | #undef MRGHI |
| 744 | #undef MRGLO |
| 745 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 746 | void helper_vmsummbm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 747 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 748 | { |
| 749 | int32_t prod[16]; |
| 750 | int i; |
| 751 | |
| 752 | for (i = 0; i < ARRAY_SIZE(r->s8); i++) { |
| 753 | prod[i] = (int32_t)a->s8[i] * b->u8[i]; |
| 754 | } |
| 755 | |
| 756 | VECTOR_FOR_INORDER_I(i, s32) { |
| 757 | r->s32[i] = c->s32[i] + prod[4 * i] + prod[4 * i + 1] + |
| 758 | prod[4 * i + 2] + prod[4 * i + 3]; |
| 759 | } |
| 760 | } |
| 761 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 762 | void helper_vmsumshm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 763 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 764 | { |
| 765 | int32_t prod[8]; |
| 766 | int i; |
| 767 | |
| 768 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { |
| 769 | prod[i] = a->s16[i] * b->s16[i]; |
| 770 | } |
| 771 | |
| 772 | VECTOR_FOR_INORDER_I(i, s32) { |
| 773 | r->s32[i] = c->s32[i] + prod[2 * i] + prod[2 * i + 1]; |
| 774 | } |
| 775 | } |
| 776 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 777 | void helper_vmsumshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 778 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 779 | { |
| 780 | int32_t prod[8]; |
| 781 | int i; |
| 782 | int sat = 0; |
| 783 | |
| 784 | for (i = 0; i < ARRAY_SIZE(r->s16); i++) { |
| 785 | prod[i] = (int32_t)a->s16[i] * b->s16[i]; |
| 786 | } |
| 787 | |
| 788 | VECTOR_FOR_INORDER_I(i, s32) { |
| 789 | int64_t t = (int64_t)c->s32[i] + prod[2 * i] + prod[2 * i + 1]; |
| 790 | |
| 791 | r->u32[i] = cvtsdsw(t, &sat); |
| 792 | } |
| 793 | |
| 794 | if (sat) { |
| 795 | env->vscr |= (1 << VSCR_SAT); |
| 796 | } |
| 797 | } |
| 798 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 799 | void helper_vmsumubm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 800 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 801 | { |
| 802 | uint16_t prod[16]; |
| 803 | int i; |
| 804 | |
| 805 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
| 806 | prod[i] = a->u8[i] * b->u8[i]; |
| 807 | } |
| 808 | |
| 809 | VECTOR_FOR_INORDER_I(i, u32) { |
| 810 | r->u32[i] = c->u32[i] + prod[4 * i] + prod[4 * i + 1] + |
| 811 | prod[4 * i + 2] + prod[4 * i + 3]; |
| 812 | } |
| 813 | } |
| 814 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 815 | void helper_vmsumuhm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 816 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 817 | { |
| 818 | uint32_t prod[8]; |
| 819 | int i; |
| 820 | |
| 821 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { |
| 822 | prod[i] = a->u16[i] * b->u16[i]; |
| 823 | } |
| 824 | |
| 825 | VECTOR_FOR_INORDER_I(i, u32) { |
| 826 | r->u32[i] = c->u32[i] + prod[2 * i] + prod[2 * i + 1]; |
| 827 | } |
| 828 | } |
| 829 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 830 | void helper_vmsumuhs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, |
| 831 | ppc_avr_t *b, ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 832 | { |
| 833 | uint32_t prod[8]; |
| 834 | int i; |
| 835 | int sat = 0; |
| 836 | |
| 837 | for (i = 0; i < ARRAY_SIZE(r->u16); i++) { |
| 838 | prod[i] = a->u16[i] * b->u16[i]; |
| 839 | } |
| 840 | |
| 841 | VECTOR_FOR_INORDER_I(i, s32) { |
| 842 | uint64_t t = (uint64_t)c->u32[i] + prod[2 * i] + prod[2 * i + 1]; |
| 843 | |
| 844 | r->u32[i] = cvtuduw(t, &sat); |
| 845 | } |
| 846 | |
| 847 | if (sat) { |
| 848 | env->vscr |= (1 << VSCR_SAT); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | #define VMUL_DO(name, mul_element, prod_element, evenp) \ |
| 853 | void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 854 | { \ |
| 855 | int i; \ |
| 856 | \ |
| 857 | VECTOR_FOR_INORDER_I(i, prod_element) { \ |
| 858 | if (evenp) { \ |
| 859 | r->prod_element[i] = a->mul_element[i * 2 + HI_IDX] * \ |
| 860 | b->mul_element[i * 2 + HI_IDX]; \ |
| 861 | } else { \ |
| 862 | r->prod_element[i] = a->mul_element[i * 2 + LO_IDX] * \ |
| 863 | b->mul_element[i * 2 + LO_IDX]; \ |
| 864 | } \ |
| 865 | } \ |
| 866 | } |
| 867 | #define VMUL(suffix, mul_element, prod_element) \ |
| 868 | VMUL_DO(mule##suffix, mul_element, prod_element, 1) \ |
| 869 | VMUL_DO(mulo##suffix, mul_element, prod_element, 0) |
| 870 | VMUL(sb, s8, s16) |
| 871 | VMUL(sh, s16, s32) |
| 872 | VMUL(ub, u8, u16) |
| 873 | VMUL(uh, u16, u32) |
| 874 | #undef VMUL_DO |
| 875 | #undef VMUL |
| 876 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 877 | void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
| 878 | ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 879 | { |
| 880 | ppc_avr_t result; |
| 881 | int i; |
| 882 | |
| 883 | VECTOR_FOR_INORDER_I(i, u8) { |
| 884 | int s = c->u8[i] & 0x1f; |
| 885 | #if defined(HOST_WORDS_BIGENDIAN) |
| 886 | int index = s & 0xf; |
| 887 | #else |
| 888 | int index = 15 - (s & 0xf); |
| 889 | #endif |
| 890 | |
| 891 | if (s & 0x10) { |
| 892 | result.u8[i] = b->u8[index]; |
| 893 | } else { |
| 894 | result.u8[i] = a->u8[index]; |
| 895 | } |
| 896 | } |
| 897 | *r = result; |
| 898 | } |
| 899 | |
| 900 | #if defined(HOST_WORDS_BIGENDIAN) |
| 901 | #define PKBIG 1 |
| 902 | #else |
| 903 | #define PKBIG 0 |
| 904 | #endif |
| 905 | void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
| 906 | { |
| 907 | int i, j; |
| 908 | ppc_avr_t result; |
| 909 | #if defined(HOST_WORDS_BIGENDIAN) |
| 910 | const ppc_avr_t *x[2] = { a, b }; |
| 911 | #else |
| 912 | const ppc_avr_t *x[2] = { b, a }; |
| 913 | #endif |
| 914 | |
| 915 | VECTOR_FOR_INORDER_I(i, u64) { |
| 916 | VECTOR_FOR_INORDER_I(j, u32) { |
| 917 | uint32_t e = x[i]->u32[j]; |
| 918 | |
| 919 | result.u16[4*i+j] = (((e >> 9) & 0xfc00) | |
| 920 | ((e >> 6) & 0x3e0) | |
| 921 | ((e >> 3) & 0x1f)); |
| 922 | } |
| 923 | } |
| 924 | *r = result; |
| 925 | } |
| 926 | |
| 927 | #define VPK(suffix, from, to, cvt, dosat) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 928 | void helper_vpk##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
| 929 | ppc_avr_t *a, ppc_avr_t *b) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 930 | { \ |
| 931 | int i; \ |
| 932 | int sat = 0; \ |
| 933 | ppc_avr_t result; \ |
| 934 | ppc_avr_t *a0 = PKBIG ? a : b; \ |
| 935 | ppc_avr_t *a1 = PKBIG ? b : a; \ |
| 936 | \ |
| 937 | VECTOR_FOR_INORDER_I(i, from) { \ |
| 938 | result.to[i] = cvt(a0->from[i], &sat); \ |
| 939 | result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \ |
| 940 | } \ |
| 941 | *r = result; \ |
| 942 | if (dosat && sat) { \ |
| 943 | env->vscr |= (1 << VSCR_SAT); \ |
| 944 | } \ |
| 945 | } |
| 946 | #define I(x, y) (x) |
| 947 | VPK(shss, s16, s8, cvtshsb, 1) |
| 948 | VPK(shus, s16, u8, cvtshub, 1) |
| 949 | VPK(swss, s32, s16, cvtswsh, 1) |
| 950 | VPK(swus, s32, u16, cvtswuh, 1) |
| 951 | VPK(uhus, u16, u8, cvtuhub, 1) |
| 952 | VPK(uwus, u32, u16, cvtuwuh, 1) |
| 953 | VPK(uhum, u16, u8, I, 0) |
| 954 | VPK(uwum, u32, u16, I, 0) |
| 955 | #undef I |
| 956 | #undef VPK |
| 957 | #undef PKBIG |
| 958 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 959 | void helper_vrefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 960 | { |
| 961 | int i; |
| 962 | |
| 963 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { |
Aurelien Jarno | ef9bd15 | 2012-09-11 08:47:10 +0000 | [diff] [blame] | 964 | r->f[i] = float32_div(float32_one, b->f[i], &env->vec_status); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 965 | } |
| 966 | } |
| 967 | |
| 968 | #define VRFI(suffix, rounding) \ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 969 | void helper_vrfi##suffix(CPUPPCState *env, ppc_avr_t *r, \ |
| 970 | ppc_avr_t *b) \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 971 | { \ |
| 972 | int i; \ |
| 973 | float_status s = env->vec_status; \ |
| 974 | \ |
| 975 | set_float_rounding_mode(rounding, &s); \ |
| 976 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ |
Aurelien Jarno | ef9bd15 | 2012-09-11 08:47:10 +0000 | [diff] [blame] | 977 | r->f[i] = float32_round_to_int (b->f[i], &s); \ |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 978 | } \ |
| 979 | } |
| 980 | VRFI(n, float_round_nearest_even) |
| 981 | VRFI(m, float_round_down) |
| 982 | VRFI(p, float_round_up) |
| 983 | VRFI(z, float_round_to_zero) |
| 984 | #undef VRFI |
| 985 | |
| 986 | #define VROTATE(suffix, element) \ |
| 987 | void helper_vrl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 988 | { \ |
| 989 | int i; \ |
| 990 | \ |
| 991 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 992 | unsigned int mask = ((1 << \ |
| 993 | (3 + (sizeof(a->element[0]) >> 1))) \ |
| 994 | - 1); \ |
| 995 | unsigned int shift = b->element[i] & mask; \ |
| 996 | r->element[i] = (a->element[i] << shift) | \ |
| 997 | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \ |
| 998 | } \ |
| 999 | } |
| 1000 | VROTATE(b, u8) |
| 1001 | VROTATE(h, u16) |
| 1002 | VROTATE(w, u32) |
| 1003 | #undef VROTATE |
| 1004 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1005 | void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1006 | { |
| 1007 | int i; |
| 1008 | |
| 1009 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { |
Aurelien Jarno | ef9bd15 | 2012-09-11 08:47:10 +0000 | [diff] [blame] | 1010 | float32 t = float32_sqrt(b->f[i], &env->vec_status); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1011 | |
Aurelien Jarno | ef9bd15 | 2012-09-11 08:47:10 +0000 | [diff] [blame] | 1012 | r->f[i] = float32_div(float32_one, t, &env->vec_status); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1013 | } |
| 1014 | } |
| 1015 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1016 | void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |
| 1017 | ppc_avr_t *c) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1018 | { |
| 1019 | r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]); |
| 1020 | r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]); |
| 1021 | } |
| 1022 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1023 | void helper_vexptefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1024 | { |
| 1025 | int i; |
| 1026 | |
| 1027 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { |
Aurelien Jarno | ef9bd15 | 2012-09-11 08:47:10 +0000 | [diff] [blame] | 1028 | r->f[i] = float32_exp2(b->f[i], &env->vec_status); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1029 | } |
| 1030 | } |
| 1031 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1032 | void helper_vlogefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1033 | { |
| 1034 | int i; |
| 1035 | |
| 1036 | for (i = 0; i < ARRAY_SIZE(r->f); i++) { |
Aurelien Jarno | ef9bd15 | 2012-09-11 08:47:10 +0000 | [diff] [blame] | 1037 | r->f[i] = float32_log2(b->f[i], &env->vec_status); |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1038 | } |
| 1039 | } |
| 1040 | |
| 1041 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1042 | #define LEFT 0 |
| 1043 | #define RIGHT 1 |
| 1044 | #else |
| 1045 | #define LEFT 1 |
| 1046 | #define RIGHT 0 |
| 1047 | #endif |
| 1048 | /* The specification says that the results are undefined if all of the |
| 1049 | * shift counts are not identical. We check to make sure that they are |
| 1050 | * to conform to what real hardware appears to do. */ |
| 1051 | #define VSHIFT(suffix, leftp) \ |
| 1052 | void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 1053 | { \ |
| 1054 | int shift = b->u8[LO_IDX*15] & 0x7; \ |
| 1055 | int doit = 1; \ |
| 1056 | int i; \ |
| 1057 | \ |
| 1058 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { \ |
| 1059 | doit = doit && ((b->u8[i] & 0x7) == shift); \ |
| 1060 | } \ |
| 1061 | if (doit) { \ |
| 1062 | if (shift == 0) { \ |
| 1063 | *r = *a; \ |
| 1064 | } else if (leftp) { \ |
| 1065 | uint64_t carry = a->u64[LO_IDX] >> (64 - shift); \ |
| 1066 | \ |
| 1067 | r->u64[HI_IDX] = (a->u64[HI_IDX] << shift) | carry; \ |
| 1068 | r->u64[LO_IDX] = a->u64[LO_IDX] << shift; \ |
| 1069 | } else { \ |
| 1070 | uint64_t carry = a->u64[HI_IDX] << (64 - shift); \ |
| 1071 | \ |
| 1072 | r->u64[LO_IDX] = (a->u64[LO_IDX] >> shift) | carry; \ |
| 1073 | r->u64[HI_IDX] = a->u64[HI_IDX] >> shift; \ |
| 1074 | } \ |
| 1075 | } \ |
| 1076 | } |
| 1077 | VSHIFT(l, LEFT) |
| 1078 | VSHIFT(r, RIGHT) |
| 1079 | #undef VSHIFT |
| 1080 | #undef LEFT |
| 1081 | #undef RIGHT |
| 1082 | |
| 1083 | #define VSL(suffix, element) \ |
| 1084 | void helper_vsl##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 1085 | { \ |
| 1086 | int i; \ |
| 1087 | \ |
| 1088 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 1089 | unsigned int mask = ((1 << \ |
| 1090 | (3 + (sizeof(a->element[0]) >> 1))) \ |
| 1091 | - 1); \ |
| 1092 | unsigned int shift = b->element[i] & mask; \ |
| 1093 | \ |
| 1094 | r->element[i] = a->element[i] << shift; \ |
| 1095 | } \ |
| 1096 | } |
| 1097 | VSL(b, u8) |
| 1098 | VSL(h, u16) |
| 1099 | VSL(w, u32) |
| 1100 | #undef VSL |
| 1101 | |
| 1102 | void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) |
| 1103 | { |
| 1104 | int sh = shift & 0xf; |
| 1105 | int i; |
| 1106 | ppc_avr_t result; |
| 1107 | |
| 1108 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1109 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
| 1110 | int index = sh + i; |
| 1111 | if (index > 0xf) { |
| 1112 | result.u8[i] = b->u8[index - 0x10]; |
| 1113 | } else { |
| 1114 | result.u8[i] = a->u8[index]; |
| 1115 | } |
| 1116 | } |
| 1117 | #else |
| 1118 | for (i = 0; i < ARRAY_SIZE(r->u8); i++) { |
| 1119 | int index = (16 - sh) + i; |
| 1120 | if (index > 0xf) { |
| 1121 | result.u8[i] = a->u8[index - 0x10]; |
| 1122 | } else { |
| 1123 | result.u8[i] = b->u8[index]; |
| 1124 | } |
| 1125 | } |
| 1126 | #endif |
| 1127 | *r = result; |
| 1128 | } |
| 1129 | |
| 1130 | void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
| 1131 | { |
| 1132 | int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf; |
| 1133 | |
| 1134 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1135 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); |
| 1136 | memset(&r->u8[16-sh], 0, sh); |
| 1137 | #else |
| 1138 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); |
| 1139 | memset(&r->u8[0], 0, sh); |
| 1140 | #endif |
| 1141 | } |
| 1142 | |
| 1143 | /* Experimental testing shows that hardware masks the immediate. */ |
| 1144 | #define _SPLAT_MASKED(element) (splat & (ARRAY_SIZE(r->element) - 1)) |
| 1145 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1146 | #define SPLAT_ELEMENT(element) _SPLAT_MASKED(element) |
| 1147 | #else |
| 1148 | #define SPLAT_ELEMENT(element) \ |
| 1149 | (ARRAY_SIZE(r->element) - 1 - _SPLAT_MASKED(element)) |
| 1150 | #endif |
| 1151 | #define VSPLT(suffix, element) \ |
| 1152 | void helper_vsplt##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \ |
| 1153 | { \ |
| 1154 | uint32_t s = b->element[SPLAT_ELEMENT(element)]; \ |
| 1155 | int i; \ |
| 1156 | \ |
| 1157 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 1158 | r->element[i] = s; \ |
| 1159 | } \ |
| 1160 | } |
| 1161 | VSPLT(b, u8) |
| 1162 | VSPLT(h, u16) |
| 1163 | VSPLT(w, u32) |
| 1164 | #undef VSPLT |
| 1165 | #undef SPLAT_ELEMENT |
| 1166 | #undef _SPLAT_MASKED |
| 1167 | |
| 1168 | #define VSPLTI(suffix, element, splat_type) \ |
| 1169 | void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \ |
| 1170 | { \ |
| 1171 | splat_type x = (int8_t)(splat << 3) >> 3; \ |
| 1172 | int i; \ |
| 1173 | \ |
| 1174 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 1175 | r->element[i] = x; \ |
| 1176 | } \ |
| 1177 | } |
| 1178 | VSPLTI(b, s8, int8_t) |
| 1179 | VSPLTI(h, s16, int16_t) |
| 1180 | VSPLTI(w, s32, int32_t) |
| 1181 | #undef VSPLTI |
| 1182 | |
| 1183 | #define VSR(suffix, element) \ |
| 1184 | void helper_vsr##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ |
| 1185 | { \ |
| 1186 | int i; \ |
| 1187 | \ |
| 1188 | for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ |
| 1189 | unsigned int mask = ((1 << \ |
| 1190 | (3 + (sizeof(a->element[0]) >> 1))) \ |
| 1191 | - 1); \ |
| 1192 | unsigned int shift = b->element[i] & mask; \ |
| 1193 | \ |
| 1194 | r->element[i] = a->element[i] >> shift; \ |
| 1195 | } \ |
| 1196 | } |
| 1197 | VSR(ab, s8) |
| 1198 | VSR(ah, s16) |
| 1199 | VSR(aw, s32) |
| 1200 | VSR(b, u8) |
| 1201 | VSR(h, u16) |
| 1202 | VSR(w, u32) |
| 1203 | #undef VSR |
| 1204 | |
| 1205 | void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
| 1206 | { |
| 1207 | int sh = (b->u8[LO_IDX * 0xf] >> 3) & 0xf; |
| 1208 | |
| 1209 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1210 | memmove(&r->u8[sh], &a->u8[0], 16 - sh); |
| 1211 | memset(&r->u8[0], 0, sh); |
| 1212 | #else |
| 1213 | memmove(&r->u8[0], &a->u8[sh], 16 - sh); |
| 1214 | memset(&r->u8[16 - sh], 0, sh); |
| 1215 | #endif |
| 1216 | } |
| 1217 | |
| 1218 | void helper_vsubcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
| 1219 | { |
| 1220 | int i; |
| 1221 | |
| 1222 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { |
| 1223 | r->u32[i] = a->u32[i] >= b->u32[i]; |
| 1224 | } |
| 1225 | } |
| 1226 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1227 | void helper_vsumsws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1228 | { |
| 1229 | int64_t t; |
| 1230 | int i, upper; |
| 1231 | ppc_avr_t result; |
| 1232 | int sat = 0; |
| 1233 | |
| 1234 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1235 | upper = ARRAY_SIZE(r->s32)-1; |
| 1236 | #else |
| 1237 | upper = 0; |
| 1238 | #endif |
| 1239 | t = (int64_t)b->s32[upper]; |
| 1240 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { |
| 1241 | t += a->s32[i]; |
| 1242 | result.s32[i] = 0; |
| 1243 | } |
| 1244 | result.s32[upper] = cvtsdsw(t, &sat); |
| 1245 | *r = result; |
| 1246 | |
| 1247 | if (sat) { |
| 1248 | env->vscr |= (1 << VSCR_SAT); |
| 1249 | } |
| 1250 | } |
| 1251 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1252 | void helper_vsum2sws(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1253 | { |
| 1254 | int i, j, upper; |
| 1255 | ppc_avr_t result; |
| 1256 | int sat = 0; |
| 1257 | |
| 1258 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1259 | upper = 1; |
| 1260 | #else |
| 1261 | upper = 0; |
| 1262 | #endif |
| 1263 | for (i = 0; i < ARRAY_SIZE(r->u64); i++) { |
| 1264 | int64_t t = (int64_t)b->s32[upper + i * 2]; |
| 1265 | |
| 1266 | result.u64[i] = 0; |
| 1267 | for (j = 0; j < ARRAY_SIZE(r->u64); j++) { |
| 1268 | t += a->s32[2 * i + j]; |
| 1269 | } |
| 1270 | result.s32[upper + i * 2] = cvtsdsw(t, &sat); |
| 1271 | } |
| 1272 | |
| 1273 | *r = result; |
| 1274 | if (sat) { |
| 1275 | env->vscr |= (1 << VSCR_SAT); |
| 1276 | } |
| 1277 | } |
| 1278 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1279 | void helper_vsum4sbs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1280 | { |
| 1281 | int i, j; |
| 1282 | int sat = 0; |
| 1283 | |
| 1284 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { |
| 1285 | int64_t t = (int64_t)b->s32[i]; |
| 1286 | |
| 1287 | for (j = 0; j < ARRAY_SIZE(r->s32); j++) { |
| 1288 | t += a->s8[4 * i + j]; |
| 1289 | } |
| 1290 | r->s32[i] = cvtsdsw(t, &sat); |
| 1291 | } |
| 1292 | |
| 1293 | if (sat) { |
| 1294 | env->vscr |= (1 << VSCR_SAT); |
| 1295 | } |
| 1296 | } |
| 1297 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1298 | void helper_vsum4shs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1299 | { |
| 1300 | int sat = 0; |
| 1301 | int i; |
| 1302 | |
| 1303 | for (i = 0; i < ARRAY_SIZE(r->s32); i++) { |
| 1304 | int64_t t = (int64_t)b->s32[i]; |
| 1305 | |
| 1306 | t += a->s16[2 * i] + a->s16[2 * i + 1]; |
| 1307 | r->s32[i] = cvtsdsw(t, &sat); |
| 1308 | } |
| 1309 | |
| 1310 | if (sat) { |
| 1311 | env->vscr |= (1 << VSCR_SAT); |
| 1312 | } |
| 1313 | } |
| 1314 | |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1315 | void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1316 | { |
| 1317 | int i, j; |
| 1318 | int sat = 0; |
| 1319 | |
| 1320 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { |
| 1321 | uint64_t t = (uint64_t)b->u32[i]; |
| 1322 | |
| 1323 | for (j = 0; j < ARRAY_SIZE(r->u32); j++) { |
| 1324 | t += a->u8[4 * i + j]; |
| 1325 | } |
| 1326 | r->u32[i] = cvtuduw(t, &sat); |
| 1327 | } |
| 1328 | |
| 1329 | if (sat) { |
| 1330 | env->vscr |= (1 << VSCR_SAT); |
| 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | #if defined(HOST_WORDS_BIGENDIAN) |
| 1335 | #define UPKHI 1 |
| 1336 | #define UPKLO 0 |
| 1337 | #else |
| 1338 | #define UPKHI 0 |
| 1339 | #define UPKLO 1 |
| 1340 | #endif |
| 1341 | #define VUPKPX(suffix, hi) \ |
| 1342 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ |
| 1343 | { \ |
| 1344 | int i; \ |
| 1345 | ppc_avr_t result; \ |
| 1346 | \ |
| 1347 | for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ |
| 1348 | uint16_t e = b->u16[hi ? i : i+4]; \ |
| 1349 | uint8_t a = (e >> 15) ? 0xff : 0; \ |
| 1350 | uint8_t r = (e >> 10) & 0x1f; \ |
| 1351 | uint8_t g = (e >> 5) & 0x1f; \ |
| 1352 | uint8_t b = e & 0x1f; \ |
| 1353 | \ |
| 1354 | result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \ |
| 1355 | } \ |
| 1356 | *r = result; \ |
| 1357 | } |
| 1358 | VUPKPX(lpx, UPKLO) |
| 1359 | VUPKPX(hpx, UPKHI) |
| 1360 | #undef VUPKPX |
| 1361 | |
| 1362 | #define VUPK(suffix, unpacked, packee, hi) \ |
| 1363 | void helper_vupk##suffix(ppc_avr_t *r, ppc_avr_t *b) \ |
| 1364 | { \ |
| 1365 | int i; \ |
| 1366 | ppc_avr_t result; \ |
| 1367 | \ |
| 1368 | if (hi) { \ |
| 1369 | for (i = 0; i < ARRAY_SIZE(r->unpacked); i++) { \ |
| 1370 | result.unpacked[i] = b->packee[i]; \ |
| 1371 | } \ |
| 1372 | } else { \ |
| 1373 | for (i = ARRAY_SIZE(r->unpacked); i < ARRAY_SIZE(r->packee); \ |
| 1374 | i++) { \ |
| 1375 | result.unpacked[i - ARRAY_SIZE(r->unpacked)] = b->packee[i]; \ |
| 1376 | } \ |
| 1377 | } \ |
| 1378 | *r = result; \ |
| 1379 | } |
| 1380 | VUPK(hsb, s16, s8, UPKHI) |
| 1381 | VUPK(hsh, s32, s16, UPKHI) |
| 1382 | VUPK(lsb, s16, s8, UPKLO) |
| 1383 | VUPK(lsh, s32, s16, UPKLO) |
| 1384 | #undef VUPK |
| 1385 | #undef UPKHI |
| 1386 | #undef UPKLO |
| 1387 | |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1388 | #undef VECTOR_FOR_INORDER_I |
| 1389 | #undef HI_IDX |
| 1390 | #undef LO_IDX |
| 1391 | |
| 1392 | /*****************************************************************************/ |
| 1393 | /* SPE extension helpers */ |
| 1394 | /* Use a table to make this quicker */ |
Blue Swirl | ea6c0da | 2012-05-30 04:23:42 +0000 | [diff] [blame] | 1395 | static const uint8_t hbrev[16] = { |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1396 | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, |
| 1397 | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, |
| 1398 | }; |
| 1399 | |
| 1400 | static inline uint8_t byte_reverse(uint8_t val) |
| 1401 | { |
| 1402 | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); |
| 1403 | } |
| 1404 | |
| 1405 | static inline uint32_t word_reverse(uint32_t val) |
| 1406 | { |
| 1407 | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | |
| 1408 | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); |
| 1409 | } |
| 1410 | |
| 1411 | #define MASKBITS 16 /* Random value - to be fixed (implementation dependent) */ |
| 1412 | target_ulong helper_brinc(target_ulong arg1, target_ulong arg2) |
| 1413 | { |
| 1414 | uint32_t a, b, d, mask; |
| 1415 | |
| 1416 | mask = UINT32_MAX >> (32 - MASKBITS); |
| 1417 | a = arg1 & mask; |
| 1418 | b = arg2 & mask; |
| 1419 | d = word_reverse(1 + word_reverse(a | ~b)); |
| 1420 | return (arg1 & ~mask) | (d & b); |
| 1421 | } |
| 1422 | |
| 1423 | uint32_t helper_cntlsw32(uint32_t val) |
| 1424 | { |
| 1425 | if (val & 0x80000000) { |
| 1426 | return clz32(~val); |
| 1427 | } else { |
| 1428 | return clz32(val); |
| 1429 | } |
| 1430 | } |
| 1431 | |
| 1432 | uint32_t helper_cntlzw32(uint32_t val) |
| 1433 | { |
| 1434 | return clz32(val); |
| 1435 | } |
| 1436 | |
| 1437 | /* 440 specific */ |
Blue Swirl | d15f74f | 2012-05-30 04:23:29 +0000 | [diff] [blame] | 1438 | target_ulong helper_dlmzb(CPUPPCState *env, target_ulong high, |
| 1439 | target_ulong low, uint32_t update_Rc) |
Blue Swirl | 64654de | 2012-05-30 04:23:28 +0000 | [diff] [blame] | 1440 | { |
| 1441 | target_ulong mask; |
| 1442 | int i; |
| 1443 | |
| 1444 | i = 1; |
| 1445 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { |
| 1446 | if ((high & mask) == 0) { |
| 1447 | if (update_Rc) { |
| 1448 | env->crf[0] = 0x4; |
| 1449 | } |
| 1450 | goto done; |
| 1451 | } |
| 1452 | i++; |
| 1453 | } |
| 1454 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { |
| 1455 | if ((low & mask) == 0) { |
| 1456 | if (update_Rc) { |
| 1457 | env->crf[0] = 0x8; |
| 1458 | } |
| 1459 | goto done; |
| 1460 | } |
| 1461 | i++; |
| 1462 | } |
| 1463 | if (update_Rc) { |
| 1464 | env->crf[0] = 0x2; |
| 1465 | } |
| 1466 | done: |
| 1467 | env->xer = (env->xer & ~0x7F) | i; |
| 1468 | if (update_Rc) { |
| 1469 | env->crf[0] |= xer_so; |
| 1470 | } |
| 1471 | return i; |
| 1472 | } |