The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * ARM NEON vector operations. |
| 3 | * |
| 4 | * Copyright (c) 2007, 2008 CodeSourcery. |
| 5 | * Written by Paul Brook |
| 6 | * |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 7 | * This code is licensed under the GNU GPL v2. |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 8 | */ |
| 9 | #include <stdlib.h> |
| 10 | #include <stdio.h> |
| 11 | |
| 12 | #include "cpu.h" |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 13 | #include "exec/exec-all.h" |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 14 | #include "helper.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 15 | |
| 16 | #define SIGNBIT (uint32_t)0x80000000 |
| 17 | #define SIGNBIT64 ((uint64_t)1 << 63) |
| 18 | |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 19 | #define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] |= CPSR_Q |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 20 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 21 | #define NEON_TYPE1(name, type) \ |
| 22 | typedef struct \ |
| 23 | { \ |
| 24 | type v1; \ |
| 25 | } neon_##name; |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 26 | #ifdef HOST_WORDS_BIGENDIAN |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 27 | #define NEON_TYPE2(name, type) \ |
| 28 | typedef struct \ |
| 29 | { \ |
| 30 | type v2; \ |
| 31 | type v1; \ |
| 32 | } neon_##name; |
| 33 | #define NEON_TYPE4(name, type) \ |
| 34 | typedef struct \ |
| 35 | { \ |
| 36 | type v4; \ |
| 37 | type v3; \ |
| 38 | type v2; \ |
| 39 | type v1; \ |
| 40 | } neon_##name; |
| 41 | #else |
| 42 | #define NEON_TYPE2(name, type) \ |
| 43 | typedef struct \ |
| 44 | { \ |
| 45 | type v1; \ |
| 46 | type v2; \ |
| 47 | } neon_##name; |
| 48 | #define NEON_TYPE4(name, type) \ |
| 49 | typedef struct \ |
| 50 | { \ |
| 51 | type v1; \ |
| 52 | type v2; \ |
| 53 | type v3; \ |
| 54 | type v4; \ |
| 55 | } neon_##name; |
| 56 | #endif |
| 57 | |
| 58 | NEON_TYPE4(s8, int8_t) |
| 59 | NEON_TYPE4(u8, uint8_t) |
| 60 | NEON_TYPE2(s16, int16_t) |
| 61 | NEON_TYPE2(u16, uint16_t) |
| 62 | NEON_TYPE1(s32, int32_t) |
| 63 | NEON_TYPE1(u32, uint32_t) |
| 64 | #undef NEON_TYPE4 |
| 65 | #undef NEON_TYPE2 |
| 66 | #undef NEON_TYPE1 |
| 67 | |
| 68 | /* Copy from a uint32_t to a vector structure type. */ |
| 69 | #define NEON_UNPACK(vtype, dest, val) do { \ |
| 70 | union { \ |
| 71 | vtype v; \ |
| 72 | uint32_t i; \ |
| 73 | } conv_u; \ |
| 74 | conv_u.i = (val); \ |
| 75 | dest = conv_u.v; \ |
| 76 | } while(0) |
| 77 | |
| 78 | /* Copy from a vector structure type to a uint32_t. */ |
| 79 | #define NEON_PACK(vtype, dest, val) do { \ |
| 80 | union { \ |
| 81 | vtype v; \ |
| 82 | uint32_t i; \ |
| 83 | } conv_u; \ |
| 84 | conv_u.v = (val); \ |
| 85 | dest = conv_u.i; \ |
| 86 | } while(0) |
| 87 | |
| 88 | #define NEON_DO1 \ |
| 89 | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); |
| 90 | #define NEON_DO2 \ |
| 91 | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ |
| 92 | NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); |
| 93 | #define NEON_DO4 \ |
| 94 | NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ |
| 95 | NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \ |
| 96 | NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \ |
| 97 | NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4); |
| 98 | |
| 99 | #define NEON_VOP_BODY(vtype, n) \ |
| 100 | { \ |
| 101 | uint32_t res; \ |
| 102 | vtype vsrc1; \ |
| 103 | vtype vsrc2; \ |
| 104 | vtype vdest; \ |
| 105 | NEON_UNPACK(vtype, vsrc1, arg1); \ |
| 106 | NEON_UNPACK(vtype, vsrc2, arg2); \ |
| 107 | NEON_DO##n; \ |
| 108 | NEON_PACK(vtype, res, vdest); \ |
| 109 | return res; \ |
| 110 | } |
| 111 | |
| 112 | #define NEON_VOP(name, vtype, n) \ |
| 113 | uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ |
| 114 | NEON_VOP_BODY(vtype, n) |
| 115 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 116 | #define NEON_VOP_ENV(name, vtype, n) \ |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 117 | uint32_t HELPER(glue(neon_,name))(CPUARMState *env, uint32_t arg1, uint32_t arg2) \ |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 118 | NEON_VOP_BODY(vtype, n) |
| 119 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 120 | /* Pairwise operations. */ |
| 121 | /* For 32-bit elements each segment only contains a single element, so |
| 122 | the elementwise and pairwise operations are the same. */ |
| 123 | #define NEON_PDO2 \ |
| 124 | NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ |
| 125 | NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2); |
| 126 | #define NEON_PDO4 \ |
| 127 | NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ |
| 128 | NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \ |
| 129 | NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \ |
| 130 | NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \ |
| 131 | |
| 132 | #define NEON_POP(name, vtype, n) \ |
| 133 | uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ |
| 134 | { \ |
| 135 | uint32_t res; \ |
| 136 | vtype vsrc1; \ |
| 137 | vtype vsrc2; \ |
| 138 | vtype vdest; \ |
| 139 | NEON_UNPACK(vtype, vsrc1, arg1); \ |
| 140 | NEON_UNPACK(vtype, vsrc2, arg2); \ |
| 141 | NEON_PDO##n; \ |
| 142 | NEON_PACK(vtype, res, vdest); \ |
| 143 | return res; \ |
| 144 | } |
| 145 | |
| 146 | /* Unary operators. */ |
| 147 | #define NEON_VOP1(name, vtype, n) \ |
| 148 | uint32_t HELPER(glue(neon_,name))(uint32_t arg) \ |
| 149 | { \ |
| 150 | vtype vsrc1; \ |
| 151 | vtype vdest; \ |
| 152 | NEON_UNPACK(vtype, vsrc1, arg); \ |
| 153 | NEON_DO##n; \ |
| 154 | NEON_PACK(vtype, arg, vdest); \ |
| 155 | return arg; \ |
| 156 | } |
| 157 | |
| 158 | |
| 159 | #define NEON_USAT(dest, src1, src2, type) do { \ |
| 160 | uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ |
| 161 | if (tmp != (type)tmp) { \ |
| 162 | SET_QC(); \ |
| 163 | dest = ~0; \ |
| 164 | } else { \ |
| 165 | dest = tmp; \ |
| 166 | }} while(0) |
| 167 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 168 | NEON_VOP_ENV(qadd_u8, neon_u8, 4) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 169 | #undef NEON_FN |
| 170 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 171 | NEON_VOP_ENV(qadd_u16, neon_u16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 172 | #undef NEON_FN |
| 173 | #undef NEON_USAT |
| 174 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 175 | uint32_t HELPER(neon_qadd_u32)(CPUARMState *env, uint32_t a, uint32_t b) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 176 | { |
| 177 | uint32_t res = a + b; |
| 178 | if (res < a) { |
| 179 | SET_QC(); |
| 180 | res = ~0; |
| 181 | } |
| 182 | return res; |
| 183 | } |
| 184 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 185 | uint64_t HELPER(neon_qadd_u64)(CPUARMState *env, uint64_t src1, uint64_t src2) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 186 | { |
| 187 | uint64_t res; |
| 188 | |
| 189 | res = src1 + src2; |
| 190 | if (res < src1) { |
| 191 | SET_QC(); |
| 192 | res = ~(uint64_t)0; |
| 193 | } |
| 194 | return res; |
| 195 | } |
| 196 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 197 | #define NEON_SSAT(dest, src1, src2, type) do { \ |
| 198 | int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ |
| 199 | if (tmp != (type)tmp) { \ |
| 200 | SET_QC(); \ |
| 201 | if (src2 > 0) { \ |
| 202 | tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ |
| 203 | } else { \ |
| 204 | tmp = 1 << (sizeof(type) * 8 - 1); \ |
| 205 | } \ |
| 206 | } \ |
| 207 | dest = tmp; \ |
| 208 | } while(0) |
| 209 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 210 | NEON_VOP_ENV(qadd_s8, neon_s8, 4) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 211 | #undef NEON_FN |
| 212 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 213 | NEON_VOP_ENV(qadd_s16, neon_s16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 214 | #undef NEON_FN |
| 215 | #undef NEON_SSAT |
| 216 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 217 | uint32_t HELPER(neon_qadd_s32)(CPUARMState *env, uint32_t a, uint32_t b) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 218 | { |
| 219 | uint32_t res = a + b; |
| 220 | if (((res ^ a) & SIGNBIT) && !((a ^ b) & SIGNBIT)) { |
| 221 | SET_QC(); |
| 222 | res = ~(((int32_t)a >> 31) ^ SIGNBIT); |
| 223 | } |
| 224 | return res; |
| 225 | } |
| 226 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 227 | uint64_t HELPER(neon_qadd_s64)(CPUARMState *env, uint64_t src1, uint64_t src2) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 228 | { |
| 229 | uint64_t res; |
| 230 | |
| 231 | res = src1 + src2; |
| 232 | if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) { |
| 233 | SET_QC(); |
| 234 | res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64; |
| 235 | } |
| 236 | return res; |
| 237 | } |
| 238 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 239 | #define NEON_USAT(dest, src1, src2, type) do { \ |
| 240 | uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ |
| 241 | if (tmp != (type)tmp) { \ |
| 242 | SET_QC(); \ |
| 243 | dest = 0; \ |
| 244 | } else { \ |
| 245 | dest = tmp; \ |
| 246 | }} while(0) |
| 247 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 248 | NEON_VOP_ENV(qsub_u8, neon_u8, 4) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 249 | #undef NEON_FN |
| 250 | #define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 251 | NEON_VOP_ENV(qsub_u16, neon_u16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 252 | #undef NEON_FN |
| 253 | #undef NEON_USAT |
| 254 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 255 | uint32_t HELPER(neon_qsub_u32)(CPUARMState *env, uint32_t a, uint32_t b) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 256 | { |
| 257 | uint32_t res = a - b; |
| 258 | if (res > a) { |
| 259 | SET_QC(); |
| 260 | res = 0; |
| 261 | } |
| 262 | return res; |
| 263 | } |
| 264 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 265 | uint64_t HELPER(neon_qsub_u64)(CPUARMState *env, uint64_t src1, uint64_t src2) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 266 | { |
| 267 | uint64_t res; |
| 268 | |
| 269 | if (src1 < src2) { |
| 270 | SET_QC(); |
| 271 | res = 0; |
| 272 | } else { |
| 273 | res = src1 - src2; |
| 274 | } |
| 275 | return res; |
| 276 | } |
| 277 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 278 | #define NEON_SSAT(dest, src1, src2, type) do { \ |
| 279 | int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ |
| 280 | if (tmp != (type)tmp) { \ |
| 281 | SET_QC(); \ |
| 282 | if (src2 < 0) { \ |
| 283 | tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ |
| 284 | } else { \ |
| 285 | tmp = 1 << (sizeof(type) * 8 - 1); \ |
| 286 | } \ |
| 287 | } \ |
| 288 | dest = tmp; \ |
| 289 | } while(0) |
| 290 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 291 | NEON_VOP_ENV(qsub_s8, neon_s8, 4) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 292 | #undef NEON_FN |
| 293 | #define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 294 | NEON_VOP_ENV(qsub_s16, neon_s16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 295 | #undef NEON_FN |
| 296 | #undef NEON_SSAT |
| 297 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 298 | uint32_t HELPER(neon_qsub_s32)(CPUARMState *env, uint32_t a, uint32_t b) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 299 | { |
| 300 | uint32_t res = a - b; |
| 301 | if (((res ^ a) & SIGNBIT) && ((a ^ b) & SIGNBIT)) { |
| 302 | SET_QC(); |
| 303 | res = ~(((int32_t)a >> 31) ^ SIGNBIT); |
| 304 | } |
| 305 | return res; |
| 306 | } |
| 307 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 308 | uint64_t HELPER(neon_qsub_s64)(CPUARMState *env, uint64_t src1, uint64_t src2) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 309 | { |
| 310 | uint64_t res; |
| 311 | |
| 312 | res = src1 - src2; |
| 313 | if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) { |
| 314 | SET_QC(); |
| 315 | res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64; |
| 316 | } |
| 317 | return res; |
| 318 | } |
| 319 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 320 | #define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1 |
| 321 | NEON_VOP(hadd_s8, neon_s8, 4) |
| 322 | NEON_VOP(hadd_u8, neon_u8, 4) |
| 323 | NEON_VOP(hadd_s16, neon_s16, 2) |
| 324 | NEON_VOP(hadd_u16, neon_u16, 2) |
| 325 | #undef NEON_FN |
| 326 | |
| 327 | int32_t HELPER(neon_hadd_s32)(int32_t src1, int32_t src2) |
| 328 | { |
| 329 | int32_t dest; |
| 330 | |
| 331 | dest = (src1 >> 1) + (src2 >> 1); |
| 332 | if (src1 & src2 & 1) |
| 333 | dest++; |
| 334 | return dest; |
| 335 | } |
| 336 | |
| 337 | uint32_t HELPER(neon_hadd_u32)(uint32_t src1, uint32_t src2) |
| 338 | { |
| 339 | uint32_t dest; |
| 340 | |
| 341 | dest = (src1 >> 1) + (src2 >> 1); |
| 342 | if (src1 & src2 & 1) |
| 343 | dest++; |
| 344 | return dest; |
| 345 | } |
| 346 | |
| 347 | #define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1 |
| 348 | NEON_VOP(rhadd_s8, neon_s8, 4) |
| 349 | NEON_VOP(rhadd_u8, neon_u8, 4) |
| 350 | NEON_VOP(rhadd_s16, neon_s16, 2) |
| 351 | NEON_VOP(rhadd_u16, neon_u16, 2) |
| 352 | #undef NEON_FN |
| 353 | |
| 354 | int32_t HELPER(neon_rhadd_s32)(int32_t src1, int32_t src2) |
| 355 | { |
| 356 | int32_t dest; |
| 357 | |
| 358 | dest = (src1 >> 1) + (src2 >> 1); |
| 359 | if ((src1 | src2) & 1) |
| 360 | dest++; |
| 361 | return dest; |
| 362 | } |
| 363 | |
| 364 | uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2) |
| 365 | { |
| 366 | uint32_t dest; |
| 367 | |
| 368 | dest = (src1 >> 1) + (src2 >> 1); |
| 369 | if ((src1 | src2) & 1) |
| 370 | dest++; |
| 371 | return dest; |
| 372 | } |
| 373 | |
| 374 | #define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1 |
| 375 | NEON_VOP(hsub_s8, neon_s8, 4) |
| 376 | NEON_VOP(hsub_u8, neon_u8, 4) |
| 377 | NEON_VOP(hsub_s16, neon_s16, 2) |
| 378 | NEON_VOP(hsub_u16, neon_u16, 2) |
| 379 | #undef NEON_FN |
| 380 | |
| 381 | int32_t HELPER(neon_hsub_s32)(int32_t src1, int32_t src2) |
| 382 | { |
| 383 | int32_t dest; |
| 384 | |
| 385 | dest = (src1 >> 1) - (src2 >> 1); |
| 386 | if ((~src1) & src2 & 1) |
| 387 | dest--; |
| 388 | return dest; |
| 389 | } |
| 390 | |
| 391 | uint32_t HELPER(neon_hsub_u32)(uint32_t src1, uint32_t src2) |
| 392 | { |
| 393 | uint32_t dest; |
| 394 | |
| 395 | dest = (src1 >> 1) - (src2 >> 1); |
| 396 | if ((~src1) & src2 & 1) |
| 397 | dest--; |
| 398 | return dest; |
| 399 | } |
| 400 | |
| 401 | #define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? ~0 : 0 |
| 402 | NEON_VOP(cgt_s8, neon_s8, 4) |
| 403 | NEON_VOP(cgt_u8, neon_u8, 4) |
| 404 | NEON_VOP(cgt_s16, neon_s16, 2) |
| 405 | NEON_VOP(cgt_u16, neon_u16, 2) |
| 406 | NEON_VOP(cgt_s32, neon_s32, 1) |
| 407 | NEON_VOP(cgt_u32, neon_u32, 1) |
| 408 | #undef NEON_FN |
| 409 | |
| 410 | #define NEON_FN(dest, src1, src2) dest = (src1 >= src2) ? ~0 : 0 |
| 411 | NEON_VOP(cge_s8, neon_s8, 4) |
| 412 | NEON_VOP(cge_u8, neon_u8, 4) |
| 413 | NEON_VOP(cge_s16, neon_s16, 2) |
| 414 | NEON_VOP(cge_u16, neon_u16, 2) |
| 415 | NEON_VOP(cge_s32, neon_s32, 1) |
| 416 | NEON_VOP(cge_u32, neon_u32, 1) |
| 417 | #undef NEON_FN |
| 418 | |
| 419 | #define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2 |
| 420 | NEON_VOP(min_s8, neon_s8, 4) |
| 421 | NEON_VOP(min_u8, neon_u8, 4) |
| 422 | NEON_VOP(min_s16, neon_s16, 2) |
| 423 | NEON_VOP(min_u16, neon_u16, 2) |
| 424 | NEON_VOP(min_s32, neon_s32, 1) |
| 425 | NEON_VOP(min_u32, neon_u32, 1) |
| 426 | NEON_POP(pmin_s8, neon_s8, 4) |
| 427 | NEON_POP(pmin_u8, neon_u8, 4) |
| 428 | NEON_POP(pmin_s16, neon_s16, 2) |
| 429 | NEON_POP(pmin_u16, neon_u16, 2) |
| 430 | #undef NEON_FN |
| 431 | |
| 432 | #define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? src1 : src2 |
| 433 | NEON_VOP(max_s8, neon_s8, 4) |
| 434 | NEON_VOP(max_u8, neon_u8, 4) |
| 435 | NEON_VOP(max_s16, neon_s16, 2) |
| 436 | NEON_VOP(max_u16, neon_u16, 2) |
| 437 | NEON_VOP(max_s32, neon_s32, 1) |
| 438 | NEON_VOP(max_u32, neon_u32, 1) |
| 439 | NEON_POP(pmax_s8, neon_s8, 4) |
| 440 | NEON_POP(pmax_u8, neon_u8, 4) |
| 441 | NEON_POP(pmax_s16, neon_s16, 2) |
| 442 | NEON_POP(pmax_u16, neon_u16, 2) |
| 443 | #undef NEON_FN |
| 444 | |
| 445 | #define NEON_FN(dest, src1, src2) \ |
| 446 | dest = (src1 > src2) ? (src1 - src2) : (src2 - src1) |
| 447 | NEON_VOP(abd_s8, neon_s8, 4) |
| 448 | NEON_VOP(abd_u8, neon_u8, 4) |
| 449 | NEON_VOP(abd_s16, neon_s16, 2) |
| 450 | NEON_VOP(abd_u16, neon_u16, 2) |
| 451 | NEON_VOP(abd_s32, neon_s32, 1) |
| 452 | NEON_VOP(abd_u32, neon_u32, 1) |
| 453 | #undef NEON_FN |
| 454 | |
| 455 | #define NEON_FN(dest, src1, src2) do { \ |
| 456 | int8_t tmp; \ |
| 457 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 458 | if (tmp >= (ssize_t)sizeof(src1) * 8 || \ |
| 459 | tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 460 | dest = 0; \ |
| 461 | } else if (tmp < 0) { \ |
| 462 | dest = src1 >> -tmp; \ |
| 463 | } else { \ |
| 464 | dest = src1 << tmp; \ |
| 465 | }} while (0) |
| 466 | NEON_VOP(shl_u8, neon_u8, 4) |
| 467 | NEON_VOP(shl_u16, neon_u16, 2) |
| 468 | NEON_VOP(shl_u32, neon_u32, 1) |
| 469 | #undef NEON_FN |
| 470 | |
| 471 | uint64_t HELPER(neon_shl_u64)(uint64_t val, uint64_t shiftop) |
| 472 | { |
| 473 | int8_t shift = (int8_t)shiftop; |
| 474 | if (shift >= 64 || shift <= -64) { |
| 475 | val = 0; |
| 476 | } else if (shift < 0) { |
| 477 | val >>= -shift; |
| 478 | } else { |
| 479 | val <<= shift; |
| 480 | } |
| 481 | return val; |
| 482 | } |
| 483 | |
| 484 | #define NEON_FN(dest, src1, src2) do { \ |
| 485 | int8_t tmp; \ |
| 486 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 487 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 488 | dest = 0; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 489 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 490 | dest = src1 >> (sizeof(src1) * 8 - 1); \ |
| 491 | } else if (tmp < 0) { \ |
| 492 | dest = src1 >> -tmp; \ |
| 493 | } else { \ |
| 494 | dest = src1 << tmp; \ |
| 495 | }} while (0) |
| 496 | NEON_VOP(shl_s8, neon_s8, 4) |
| 497 | NEON_VOP(shl_s16, neon_s16, 2) |
| 498 | NEON_VOP(shl_s32, neon_s32, 1) |
| 499 | #undef NEON_FN |
| 500 | |
| 501 | uint64_t HELPER(neon_shl_s64)(uint64_t valop, uint64_t shiftop) |
| 502 | { |
| 503 | int8_t shift = (int8_t)shiftop; |
| 504 | int64_t val = valop; |
| 505 | if (shift >= 64) { |
| 506 | val = 0; |
| 507 | } else if (shift <= -64) { |
| 508 | val >>= 63; |
| 509 | } else if (shift < 0) { |
| 510 | val >>= -shift; |
| 511 | } else { |
| 512 | val <<= shift; |
| 513 | } |
| 514 | return val; |
| 515 | } |
| 516 | |
| 517 | #define NEON_FN(dest, src1, src2) do { \ |
| 518 | int8_t tmp; \ |
| 519 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 520 | if ((tmp >= (ssize_t)sizeof(src1) * 8) \ |
| 521 | || (tmp <= -(ssize_t)sizeof(src1) * 8)) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 522 | dest = 0; \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 523 | } else if (tmp < 0) { \ |
| 524 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 525 | } else { \ |
| 526 | dest = src1 << tmp; \ |
| 527 | }} while (0) |
| 528 | NEON_VOP(rshl_s8, neon_s8, 4) |
| 529 | NEON_VOP(rshl_s16, neon_s16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 530 | #undef NEON_FN |
| 531 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 532 | /* The addition of the rounding constant may overflow, so we use an |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 533 | * intermediate 64 bit accumulator. */ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 534 | uint32_t HELPER(neon_rshl_s32)(uint32_t valop, uint32_t shiftop) |
| 535 | { |
| 536 | int32_t dest; |
| 537 | int32_t val = (int32_t)valop; |
| 538 | int8_t shift = (int8_t)shiftop; |
| 539 | if ((shift >= 32) || (shift <= -32)) { |
| 540 | dest = 0; |
| 541 | } else if (shift < 0) { |
| 542 | int64_t big_dest = ((int64_t)val + (1 << (-1 - shift))); |
| 543 | dest = big_dest >> -shift; |
| 544 | } else { |
| 545 | dest = val << shift; |
| 546 | } |
| 547 | return dest; |
| 548 | } |
| 549 | |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 550 | /* Handling addition overflow with 64 bit input values is more |
| 551 | * tricky than with 32 bit values. */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 552 | uint64_t HELPER(neon_rshl_s64)(uint64_t valop, uint64_t shiftop) |
| 553 | { |
| 554 | int8_t shift = (int8_t)shiftop; |
| 555 | int64_t val = valop; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 556 | if ((shift >= 64) || (shift <= -64)) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 557 | val = 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 558 | } else if (shift < 0) { |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 559 | val >>= (-shift - 1); |
| 560 | if (val == INT64_MAX) { |
| 561 | /* In this case, it means that the rounding constant is 1, |
| 562 | * and the addition would overflow. Return the actual |
| 563 | * result directly. */ |
| 564 | val = 0x4000000000000000LL; |
| 565 | } else { |
| 566 | val++; |
| 567 | val >>= 1; |
| 568 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 569 | } else { |
| 570 | val <<= shift; |
| 571 | } |
| 572 | return val; |
| 573 | } |
| 574 | |
| 575 | #define NEON_FN(dest, src1, src2) do { \ |
| 576 | int8_t tmp; \ |
| 577 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 578 | if (tmp >= (ssize_t)sizeof(src1) * 8 || \ |
| 579 | tmp < -(ssize_t)sizeof(src1) * 8) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 580 | dest = 0; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 581 | } else if (tmp == -(ssize_t)sizeof(src1) * 8) { \ |
| 582 | dest = src1 >> (-tmp - 1); \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 583 | } else if (tmp < 0) { \ |
| 584 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 585 | } else { \ |
| 586 | dest = src1 << tmp; \ |
| 587 | }} while (0) |
| 588 | NEON_VOP(rshl_u8, neon_u8, 4) |
| 589 | NEON_VOP(rshl_u16, neon_u16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 590 | #undef NEON_FN |
| 591 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 592 | /* The addition of the rounding constant may overflow, so we use an |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 593 | * intermediate 64 bit accumulator. */ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 594 | uint32_t HELPER(neon_rshl_u32)(uint32_t val, uint32_t shiftop) |
| 595 | { |
| 596 | uint32_t dest; |
| 597 | int8_t shift = (int8_t)shiftop; |
| 598 | if (shift >= 32 || shift < -32) { |
| 599 | dest = 0; |
| 600 | } else if (shift == -32) { |
| 601 | dest = val >> 31; |
| 602 | } else if (shift < 0) { |
| 603 | uint64_t big_dest = ((uint64_t)val + (1 << (-1 - shift))); |
| 604 | dest = big_dest >> -shift; |
| 605 | } else { |
| 606 | dest = val << shift; |
| 607 | } |
| 608 | return dest; |
| 609 | } |
| 610 | |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 611 | /* Handling addition overflow with 64 bit input values is more |
| 612 | * tricky than with 32 bit values. */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 613 | uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shiftop) |
| 614 | { |
| 615 | int8_t shift = (uint8_t)shiftop; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 616 | if (shift >= 64 || shift < -64) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 617 | val = 0; |
| 618 | } else if (shift == -64) { |
| 619 | /* Rounding a 1-bit result just preserves that bit. */ |
| 620 | val >>= 63; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 621 | } else if (shift < 0) { |
| 622 | val >>= (-shift - 1); |
| 623 | if (val == UINT64_MAX) { |
| 624 | /* In this case, it means that the rounding constant is 1, |
| 625 | * and the addition would overflow. Return the actual |
| 626 | * result directly. */ |
| 627 | val = 0x8000000000000000ULL; |
| 628 | } else { |
| 629 | val++; |
| 630 | val >>= 1; |
| 631 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 632 | } else { |
| 633 | val <<= shift; |
| 634 | } |
| 635 | return val; |
| 636 | } |
| 637 | |
| 638 | #define NEON_FN(dest, src1, src2) do { \ |
| 639 | int8_t tmp; \ |
| 640 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 641 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 642 | if (src1) { \ |
| 643 | SET_QC(); \ |
| 644 | dest = ~0; \ |
| 645 | } else { \ |
| 646 | dest = 0; \ |
| 647 | } \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 648 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 649 | dest = 0; \ |
| 650 | } else if (tmp < 0) { \ |
| 651 | dest = src1 >> -tmp; \ |
| 652 | } else { \ |
| 653 | dest = src1 << tmp; \ |
| 654 | if ((dest >> tmp) != src1) { \ |
| 655 | SET_QC(); \ |
| 656 | dest = ~0; \ |
| 657 | } \ |
| 658 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 659 | NEON_VOP_ENV(qshl_u8, neon_u8, 4) |
| 660 | NEON_VOP_ENV(qshl_u16, neon_u16, 2) |
| 661 | NEON_VOP_ENV(qshl_u32, neon_u32, 1) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 662 | #undef NEON_FN |
| 663 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 664 | uint64_t HELPER(neon_qshl_u64)(CPUARMState *env, uint64_t val, uint64_t shiftop) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 665 | { |
| 666 | int8_t shift = (int8_t)shiftop; |
| 667 | if (shift >= 64) { |
| 668 | if (val) { |
| 669 | val = ~(uint64_t)0; |
| 670 | SET_QC(); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 671 | } |
| 672 | } else if (shift <= -64) { |
| 673 | val = 0; |
| 674 | } else if (shift < 0) { |
| 675 | val >>= -shift; |
| 676 | } else { |
| 677 | uint64_t tmp = val; |
| 678 | val <<= shift; |
| 679 | if ((val >> shift) != tmp) { |
| 680 | SET_QC(); |
| 681 | val = ~(uint64_t)0; |
| 682 | } |
| 683 | } |
| 684 | return val; |
| 685 | } |
| 686 | |
| 687 | #define NEON_FN(dest, src1, src2) do { \ |
| 688 | int8_t tmp; \ |
| 689 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 690 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
| 691 | if (src1) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 692 | SET_QC(); \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 693 | dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
| 694 | if (src1 > 0) { \ |
| 695 | dest--; \ |
| 696 | } \ |
| 697 | } else { \ |
| 698 | dest = src1; \ |
| 699 | } \ |
| 700 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 701 | dest = src1 >> 31; \ |
| 702 | } else if (tmp < 0) { \ |
| 703 | dest = src1 >> -tmp; \ |
| 704 | } else { \ |
| 705 | dest = src1 << tmp; \ |
| 706 | if ((dest >> tmp) != src1) { \ |
| 707 | SET_QC(); \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 708 | dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
| 709 | if (src1 > 0) { \ |
| 710 | dest--; \ |
| 711 | } \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 712 | } \ |
| 713 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 714 | NEON_VOP_ENV(qshl_s8, neon_s8, 4) |
| 715 | NEON_VOP_ENV(qshl_s16, neon_s16, 2) |
| 716 | NEON_VOP_ENV(qshl_s32, neon_s32, 1) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 717 | #undef NEON_FN |
| 718 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 719 | uint64_t HELPER(neon_qshl_s64)(CPUARMState *env, uint64_t valop, uint64_t shiftop) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 720 | { |
| 721 | int8_t shift = (uint8_t)shiftop; |
| 722 | int64_t val = valop; |
| 723 | if (shift >= 64) { |
| 724 | if (val) { |
| 725 | SET_QC(); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 726 | val = (val >> 63) ^ ~SIGNBIT64; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 727 | } |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 728 | } else if (shift <= -64) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 729 | val >>= 63; |
| 730 | } else if (shift < 0) { |
| 731 | val >>= -shift; |
| 732 | } else { |
| 733 | int64_t tmp = val; |
| 734 | val <<= shift; |
| 735 | if ((val >> shift) != tmp) { |
| 736 | SET_QC(); |
| 737 | val = (tmp >> 63) ^ ~SIGNBIT64; |
| 738 | } |
| 739 | } |
| 740 | return val; |
| 741 | } |
| 742 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 743 | #define NEON_FN(dest, src1, src2) do { \ |
| 744 | if (src1 & (1 << (sizeof(src1) * 8 - 1))) { \ |
| 745 | SET_QC(); \ |
| 746 | dest = 0; \ |
| 747 | } else { \ |
| 748 | int8_t tmp; \ |
| 749 | tmp = (int8_t)src2; \ |
| 750 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
| 751 | if (src1) { \ |
| 752 | SET_QC(); \ |
| 753 | dest = ~0; \ |
| 754 | } else { \ |
| 755 | dest = 0; \ |
| 756 | } \ |
| 757 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
| 758 | dest = 0; \ |
| 759 | } else if (tmp < 0) { \ |
| 760 | dest = src1 >> -tmp; \ |
| 761 | } else { \ |
| 762 | dest = src1 << tmp; \ |
| 763 | if ((dest >> tmp) != src1) { \ |
| 764 | SET_QC(); \ |
| 765 | dest = ~0; \ |
| 766 | } \ |
| 767 | } \ |
| 768 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 769 | NEON_VOP_ENV(qshlu_s8, neon_u8, 4) |
| 770 | NEON_VOP_ENV(qshlu_s16, neon_u16, 2) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 771 | #undef NEON_FN |
| 772 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 773 | uint32_t HELPER(neon_qshlu_s32)(CPUARMState *env, uint32_t valop, uint32_t shiftop) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 774 | { |
| 775 | if ((int32_t)valop < 0) { |
| 776 | SET_QC(); |
| 777 | return 0; |
| 778 | } |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 779 | return helper_neon_qshl_u32(env, valop, shiftop); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 780 | } |
| 781 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 782 | uint64_t HELPER(neon_qshlu_s64)(CPUARMState *env, uint64_t valop, uint64_t shiftop) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 783 | { |
| 784 | if ((int64_t)valop < 0) { |
| 785 | SET_QC(); |
| 786 | return 0; |
| 787 | } |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 788 | return helper_neon_qshl_u64(env, valop, shiftop); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 789 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 790 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 791 | #define NEON_FN(dest, src1, src2) do { \ |
| 792 | int8_t tmp; \ |
| 793 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 794 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
| 795 | if (src1) { \ |
| 796 | SET_QC(); \ |
| 797 | dest = ~0; \ |
| 798 | } else { \ |
| 799 | dest = 0; \ |
| 800 | } \ |
| 801 | } else if (tmp < -(ssize_t)sizeof(src1) * 8) { \ |
| 802 | dest = 0; \ |
| 803 | } else if (tmp == -(ssize_t)sizeof(src1) * 8) { \ |
| 804 | dest = src1 >> (sizeof(src1) * 8 - 1); \ |
| 805 | } else if (tmp < 0) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 806 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 807 | } else { \ |
| 808 | dest = src1 << tmp; \ |
| 809 | if ((dest >> tmp) != src1) { \ |
| 810 | SET_QC(); \ |
| 811 | dest = ~0; \ |
| 812 | } \ |
| 813 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 814 | NEON_VOP_ENV(qrshl_u8, neon_u8, 4) |
| 815 | NEON_VOP_ENV(qrshl_u16, neon_u16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 816 | #undef NEON_FN |
| 817 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 818 | /* The addition of the rounding constant may overflow, so we use an |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 819 | * intermediate 64 bit accumulator. */ |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 820 | uint32_t HELPER(neon_qrshl_u32)(CPUARMState *env, uint32_t val, uint32_t shiftop) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 821 | { |
| 822 | uint32_t dest; |
| 823 | int8_t shift = (int8_t)shiftop; |
| 824 | if (shift >= 32) { |
| 825 | if (val) { |
| 826 | SET_QC(); |
| 827 | dest = ~0; |
| 828 | } else { |
| 829 | dest = 0; |
| 830 | } |
| 831 | } else if (shift < -32) { |
| 832 | dest = 0; |
| 833 | } else if (shift == -32) { |
| 834 | dest = val >> 31; |
| 835 | } else if (shift < 0) { |
| 836 | uint64_t big_dest = ((uint64_t)val + (1 << (-1 - shift))); |
| 837 | dest = big_dest >> -shift; |
| 838 | } else { |
| 839 | dest = val << shift; |
| 840 | if ((dest >> shift) != val) { |
| 841 | SET_QC(); |
| 842 | dest = ~0; |
| 843 | } |
| 844 | } |
| 845 | return dest; |
| 846 | } |
| 847 | |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 848 | /* Handling addition overflow with 64 bit input values is more |
| 849 | * tricky than with 32 bit values. */ |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 850 | uint64_t HELPER(neon_qrshl_u64)(CPUARMState *env, uint64_t val, uint64_t shiftop) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 851 | { |
| 852 | int8_t shift = (int8_t)shiftop; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 853 | if (shift >= 64) { |
| 854 | if (val) { |
| 855 | SET_QC(); |
| 856 | val = ~0; |
| 857 | } |
| 858 | } else if (shift < -64) { |
| 859 | val = 0; |
| 860 | } else if (shift == -64) { |
| 861 | val >>= 63; |
| 862 | } else if (shift < 0) { |
| 863 | val >>= (-shift - 1); |
| 864 | if (val == UINT64_MAX) { |
| 865 | /* In this case, it means that the rounding constant is 1, |
| 866 | * and the addition would overflow. Return the actual |
| 867 | * result directly. */ |
| 868 | val = 0x8000000000000000ULL; |
| 869 | } else { |
| 870 | val++; |
| 871 | val >>= 1; |
| 872 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 873 | } else { \ |
| 874 | uint64_t tmp = val; |
| 875 | val <<= shift; |
| 876 | if ((val >> shift) != tmp) { |
| 877 | SET_QC(); |
| 878 | val = ~0; |
| 879 | } |
| 880 | } |
| 881 | return val; |
| 882 | } |
| 883 | |
| 884 | #define NEON_FN(dest, src1, src2) do { \ |
| 885 | int8_t tmp; \ |
| 886 | tmp = (int8_t)src2; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 887 | if (tmp >= (ssize_t)sizeof(src1) * 8) { \ |
| 888 | if (src1) { \ |
| 889 | SET_QC(); \ |
| 890 | dest = (1 << (sizeof(src1) * 8 - 1)); \ |
| 891 | if (src1 > 0) { \ |
| 892 | dest--; \ |
| 893 | } \ |
| 894 | } else { \ |
| 895 | dest = 0; \ |
| 896 | } \ |
| 897 | } else if (tmp <= -(ssize_t)sizeof(src1) * 8) { \ |
| 898 | dest = 0; \ |
| 899 | } else if (tmp < 0) { \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 900 | dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 901 | } else { \ |
| 902 | dest = src1 << tmp; \ |
| 903 | if ((dest >> tmp) != src1) { \ |
| 904 | SET_QC(); \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 905 | dest = (uint32_t)(1 << (sizeof(src1) * 8 - 1)); \ |
| 906 | if (src1 > 0) { \ |
| 907 | dest--; \ |
| 908 | } \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 909 | } \ |
| 910 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 911 | NEON_VOP_ENV(qrshl_s8, neon_s8, 4) |
| 912 | NEON_VOP_ENV(qrshl_s16, neon_s16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 913 | #undef NEON_FN |
| 914 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 915 | /* The addition of the rounding constant may overflow, so we use an |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 916 | * intermediate 64 bit accumulator. */ |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 917 | uint32_t HELPER(neon_qrshl_s32)(CPUARMState *env, uint32_t valop, uint32_t shiftop) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 918 | { |
| 919 | int32_t dest; |
| 920 | int32_t val = (int32_t)valop; |
| 921 | int8_t shift = (int8_t)shiftop; |
| 922 | if (shift >= 32) { |
| 923 | if (val) { |
| 924 | SET_QC(); |
| 925 | dest = (val >> 31) ^ ~SIGNBIT; |
| 926 | } else { |
| 927 | dest = 0; |
| 928 | } |
| 929 | } else if (shift <= -32) { |
| 930 | dest = 0; |
| 931 | } else if (shift < 0) { |
| 932 | int64_t big_dest = ((int64_t)val + (1 << (-1 - shift))); |
| 933 | dest = big_dest >> -shift; |
| 934 | } else { |
| 935 | dest = val << shift; |
| 936 | if ((dest >> shift) != val) { |
| 937 | SET_QC(); |
| 938 | dest = (val >> 31) ^ ~SIGNBIT; |
| 939 | } |
| 940 | } |
| 941 | return dest; |
| 942 | } |
| 943 | |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 944 | /* Handling addition overflow with 64 bit input values is more |
| 945 | * tricky than with 32 bit values. */ |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 946 | uint64_t HELPER(neon_qrshl_s64)(CPUARMState *env, uint64_t valop, uint64_t shiftop) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 947 | { |
| 948 | int8_t shift = (uint8_t)shiftop; |
| 949 | int64_t val = valop; |
| 950 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 951 | if (shift >= 64) { |
| 952 | if (val) { |
| 953 | SET_QC(); |
| 954 | val = (val >> 63) ^ ~SIGNBIT64; |
| 955 | } |
| 956 | } else if (shift <= -64) { |
| 957 | val = 0; |
| 958 | } else if (shift < 0) { |
| 959 | val >>= (-shift - 1); |
| 960 | if (val == INT64_MAX) { |
| 961 | /* In this case, it means that the rounding constant is 1, |
| 962 | * and the addition would overflow. Return the actual |
| 963 | * result directly. */ |
| 964 | val = 0x4000000000000000ULL; |
| 965 | } else { |
| 966 | val++; |
| 967 | val >>= 1; |
| 968 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 969 | } else { |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 970 | int64_t tmp = val; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 971 | val <<= shift; |
| 972 | if ((val >> shift) != tmp) { |
| 973 | SET_QC(); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 974 | val = (tmp >> 63) ^ ~SIGNBIT64; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 975 | } |
| 976 | } |
| 977 | return val; |
| 978 | } |
| 979 | |
| 980 | uint32_t HELPER(neon_add_u8)(uint32_t a, uint32_t b) |
| 981 | { |
| 982 | uint32_t mask; |
| 983 | mask = (a ^ b) & 0x80808080u; |
| 984 | a &= ~0x80808080u; |
| 985 | b &= ~0x80808080u; |
| 986 | return (a + b) ^ mask; |
| 987 | } |
| 988 | |
| 989 | uint32_t HELPER(neon_add_u16)(uint32_t a, uint32_t b) |
| 990 | { |
| 991 | uint32_t mask; |
| 992 | mask = (a ^ b) & 0x80008000u; |
| 993 | a &= ~0x80008000u; |
| 994 | b &= ~0x80008000u; |
| 995 | return (a + b) ^ mask; |
| 996 | } |
| 997 | |
| 998 | #define NEON_FN(dest, src1, src2) dest = src1 + src2 |
| 999 | NEON_POP(padd_u8, neon_u8, 4) |
| 1000 | NEON_POP(padd_u16, neon_u16, 2) |
| 1001 | #undef NEON_FN |
| 1002 | |
| 1003 | #define NEON_FN(dest, src1, src2) dest = src1 - src2 |
| 1004 | NEON_VOP(sub_u8, neon_u8, 4) |
| 1005 | NEON_VOP(sub_u16, neon_u16, 2) |
| 1006 | #undef NEON_FN |
| 1007 | |
| 1008 | #define NEON_FN(dest, src1, src2) dest = src1 * src2 |
| 1009 | NEON_VOP(mul_u8, neon_u8, 4) |
| 1010 | NEON_VOP(mul_u16, neon_u16, 2) |
| 1011 | #undef NEON_FN |
| 1012 | |
| 1013 | /* Polynomial multiplication is like integer multiplication except the |
| 1014 | partial products are XORed, not added. */ |
| 1015 | uint32_t HELPER(neon_mul_p8)(uint32_t op1, uint32_t op2) |
| 1016 | { |
| 1017 | uint32_t mask; |
| 1018 | uint32_t result; |
| 1019 | result = 0; |
| 1020 | while (op1) { |
| 1021 | mask = 0; |
| 1022 | if (op1 & 1) |
| 1023 | mask |= 0xff; |
| 1024 | if (op1 & (1 << 8)) |
| 1025 | mask |= (0xff << 8); |
| 1026 | if (op1 & (1 << 16)) |
| 1027 | mask |= (0xff << 16); |
| 1028 | if (op1 & (1 << 24)) |
| 1029 | mask |= (0xff << 24); |
| 1030 | result ^= op2 & mask; |
| 1031 | op1 = (op1 >> 1) & 0x7f7f7f7f; |
| 1032 | op2 = (op2 << 1) & 0xfefefefe; |
| 1033 | } |
| 1034 | return result; |
| 1035 | } |
| 1036 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1037 | uint64_t HELPER(neon_mull_p8)(uint32_t op1, uint32_t op2) |
| 1038 | { |
| 1039 | uint64_t result = 0; |
| 1040 | uint64_t mask; |
| 1041 | uint64_t op2ex = op2; |
| 1042 | op2ex = (op2ex & 0xff) | |
| 1043 | ((op2ex & 0xff00) << 8) | |
| 1044 | ((op2ex & 0xff0000) << 16) | |
| 1045 | ((op2ex & 0xff000000) << 24); |
| 1046 | while (op1) { |
| 1047 | mask = 0; |
| 1048 | if (op1 & 1) { |
| 1049 | mask |= 0xffff; |
| 1050 | } |
| 1051 | if (op1 & (1 << 8)) { |
| 1052 | mask |= (0xffffU << 16); |
| 1053 | } |
| 1054 | if (op1 & (1 << 16)) { |
| 1055 | mask |= (0xffffULL << 32); |
| 1056 | } |
| 1057 | if (op1 & (1 << 24)) { |
| 1058 | mask |= (0xffffULL << 48); |
| 1059 | } |
| 1060 | result ^= op2ex & mask; |
| 1061 | op1 = (op1 >> 1) & 0x7f7f7f7f; |
| 1062 | op2ex <<= 1; |
| 1063 | } |
| 1064 | return result; |
| 1065 | } |
| 1066 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1067 | #define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0 |
| 1068 | NEON_VOP(tst_u8, neon_u8, 4) |
| 1069 | NEON_VOP(tst_u16, neon_u16, 2) |
| 1070 | NEON_VOP(tst_u32, neon_u32, 1) |
| 1071 | #undef NEON_FN |
| 1072 | |
| 1073 | #define NEON_FN(dest, src1, src2) dest = (src1 == src2) ? -1 : 0 |
| 1074 | NEON_VOP(ceq_u8, neon_u8, 4) |
| 1075 | NEON_VOP(ceq_u16, neon_u16, 2) |
| 1076 | NEON_VOP(ceq_u32, neon_u32, 1) |
| 1077 | #undef NEON_FN |
| 1078 | |
| 1079 | #define NEON_FN(dest, src, dummy) dest = (src < 0) ? -src : src |
| 1080 | NEON_VOP1(abs_s8, neon_s8, 4) |
| 1081 | NEON_VOP1(abs_s16, neon_s16, 2) |
| 1082 | #undef NEON_FN |
| 1083 | |
| 1084 | /* Count Leading Sign/Zero Bits. */ |
| 1085 | static inline int do_clz8(uint8_t x) |
| 1086 | { |
| 1087 | int n; |
| 1088 | for (n = 8; x; n--) |
| 1089 | x >>= 1; |
| 1090 | return n; |
| 1091 | } |
| 1092 | |
| 1093 | static inline int do_clz16(uint16_t x) |
| 1094 | { |
| 1095 | int n; |
| 1096 | for (n = 16; x; n--) |
| 1097 | x >>= 1; |
| 1098 | return n; |
| 1099 | } |
| 1100 | |
| 1101 | #define NEON_FN(dest, src, dummy) dest = do_clz8(src) |
| 1102 | NEON_VOP1(clz_u8, neon_u8, 4) |
| 1103 | #undef NEON_FN |
| 1104 | |
| 1105 | #define NEON_FN(dest, src, dummy) dest = do_clz16(src) |
| 1106 | NEON_VOP1(clz_u16, neon_u16, 2) |
| 1107 | #undef NEON_FN |
| 1108 | |
| 1109 | #define NEON_FN(dest, src, dummy) dest = do_clz8((src < 0) ? ~src : src) - 1 |
| 1110 | NEON_VOP1(cls_s8, neon_s8, 4) |
| 1111 | #undef NEON_FN |
| 1112 | |
| 1113 | #define NEON_FN(dest, src, dummy) dest = do_clz16((src < 0) ? ~src : src) - 1 |
| 1114 | NEON_VOP1(cls_s16, neon_s16, 2) |
| 1115 | #undef NEON_FN |
| 1116 | |
| 1117 | uint32_t HELPER(neon_cls_s32)(uint32_t x) |
| 1118 | { |
| 1119 | int count; |
| 1120 | if ((int32_t)x < 0) |
| 1121 | x = ~x; |
| 1122 | for (count = 32; x; count--) |
| 1123 | x = x >> 1; |
| 1124 | return count - 1; |
| 1125 | } |
| 1126 | |
| 1127 | /* Bit count. */ |
| 1128 | uint32_t HELPER(neon_cnt_u8)(uint32_t x) |
| 1129 | { |
| 1130 | x = (x & 0x55555555) + ((x >> 1) & 0x55555555); |
| 1131 | x = (x & 0x33333333) + ((x >> 2) & 0x33333333); |
| 1132 | x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f); |
| 1133 | return x; |
| 1134 | } |
| 1135 | |
| 1136 | #define NEON_QDMULH16(dest, src1, src2, round) do { \ |
| 1137 | uint32_t tmp = (int32_t)(int16_t) src1 * (int16_t) src2; \ |
| 1138 | if ((tmp ^ (tmp << 1)) & SIGNBIT) { \ |
| 1139 | SET_QC(); \ |
| 1140 | tmp = (tmp >> 31) ^ ~SIGNBIT; \ |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1141 | } else { \ |
| 1142 | tmp <<= 1; \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1143 | } \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1144 | if (round) { \ |
| 1145 | int32_t old = tmp; \ |
| 1146 | tmp += 1 << 15; \ |
| 1147 | if ((int32_t)tmp < old) { \ |
| 1148 | SET_QC(); \ |
| 1149 | tmp = SIGNBIT - 1; \ |
| 1150 | } \ |
| 1151 | } \ |
| 1152 | dest = tmp >> 16; \ |
| 1153 | } while(0) |
| 1154 | #define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1155 | NEON_VOP_ENV(qdmulh_s16, neon_s16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1156 | #undef NEON_FN |
| 1157 | #define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 1) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1158 | NEON_VOP_ENV(qrdmulh_s16, neon_s16, 2) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1159 | #undef NEON_FN |
| 1160 | #undef NEON_QDMULH16 |
| 1161 | |
| 1162 | #define NEON_QDMULH32(dest, src1, src2, round) do { \ |
| 1163 | uint64_t tmp = (int64_t)(int32_t) src1 * (int32_t) src2; \ |
| 1164 | if ((tmp ^ (tmp << 1)) & SIGNBIT64) { \ |
| 1165 | SET_QC(); \ |
| 1166 | tmp = (tmp >> 63) ^ ~SIGNBIT64; \ |
| 1167 | } else { \ |
| 1168 | tmp <<= 1; \ |
| 1169 | } \ |
| 1170 | if (round) { \ |
| 1171 | int64_t old = tmp; \ |
| 1172 | tmp += (int64_t)1 << 31; \ |
| 1173 | if ((int64_t)tmp < old) { \ |
| 1174 | SET_QC(); \ |
| 1175 | tmp = SIGNBIT64 - 1; \ |
| 1176 | } \ |
| 1177 | } \ |
| 1178 | dest = tmp >> 32; \ |
| 1179 | } while(0) |
| 1180 | #define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1181 | NEON_VOP_ENV(qdmulh_s32, neon_s32, 1) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1182 | #undef NEON_FN |
| 1183 | #define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 1) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1184 | NEON_VOP_ENV(qrdmulh_s32, neon_s32, 1) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1185 | #undef NEON_FN |
| 1186 | #undef NEON_QDMULH32 |
| 1187 | |
| 1188 | uint32_t HELPER(neon_narrow_u8)(uint64_t x) |
| 1189 | { |
| 1190 | return (x & 0xffu) | ((x >> 8) & 0xff00u) | ((x >> 16) & 0xff0000u) |
| 1191 | | ((x >> 24) & 0xff000000u); |
| 1192 | } |
| 1193 | |
| 1194 | uint32_t HELPER(neon_narrow_u16)(uint64_t x) |
| 1195 | { |
| 1196 | return (x & 0xffffu) | ((x >> 16) & 0xffff0000u); |
| 1197 | } |
| 1198 | |
| 1199 | uint32_t HELPER(neon_narrow_high_u8)(uint64_t x) |
| 1200 | { |
| 1201 | return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) |
| 1202 | | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); |
| 1203 | } |
| 1204 | |
| 1205 | uint32_t HELPER(neon_narrow_high_u16)(uint64_t x) |
| 1206 | { |
| 1207 | return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); |
| 1208 | } |
| 1209 | |
| 1210 | uint32_t HELPER(neon_narrow_round_high_u8)(uint64_t x) |
| 1211 | { |
| 1212 | x &= 0xff80ff80ff80ff80ull; |
| 1213 | x += 0x0080008000800080ull; |
| 1214 | return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) |
| 1215 | | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); |
| 1216 | } |
| 1217 | |
| 1218 | uint32_t HELPER(neon_narrow_round_high_u16)(uint64_t x) |
| 1219 | { |
| 1220 | x &= 0xffff8000ffff8000ull; |
| 1221 | x += 0x0000800000008000ull; |
| 1222 | return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); |
| 1223 | } |
| 1224 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1225 | uint32_t HELPER(neon_unarrow_sat8)(CPUARMState *env, uint64_t x) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1226 | { |
| 1227 | uint16_t s; |
| 1228 | uint8_t d; |
| 1229 | uint32_t res = 0; |
| 1230 | #define SAT8(n) \ |
| 1231 | s = x >> n; \ |
| 1232 | if (s & 0x8000) { \ |
| 1233 | SET_QC(); \ |
| 1234 | } else { \ |
| 1235 | if (s > 0xff) { \ |
| 1236 | d = 0xff; \ |
| 1237 | SET_QC(); \ |
| 1238 | } else { \ |
| 1239 | d = s; \ |
| 1240 | } \ |
| 1241 | res |= (uint32_t)d << (n / 2); \ |
| 1242 | } |
| 1243 | |
| 1244 | SAT8(0); |
| 1245 | SAT8(16); |
| 1246 | SAT8(32); |
| 1247 | SAT8(48); |
| 1248 | #undef SAT8 |
| 1249 | return res; |
| 1250 | } |
| 1251 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1252 | uint32_t HELPER(neon_narrow_sat_u8)(CPUARMState *env, uint64_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1253 | { |
| 1254 | uint16_t s; |
| 1255 | uint8_t d; |
| 1256 | uint32_t res = 0; |
| 1257 | #define SAT8(n) \ |
| 1258 | s = x >> n; \ |
| 1259 | if (s > 0xff) { \ |
| 1260 | d = 0xff; \ |
| 1261 | SET_QC(); \ |
| 1262 | } else { \ |
| 1263 | d = s; \ |
| 1264 | } \ |
| 1265 | res |= (uint32_t)d << (n / 2); |
| 1266 | |
| 1267 | SAT8(0); |
| 1268 | SAT8(16); |
| 1269 | SAT8(32); |
| 1270 | SAT8(48); |
| 1271 | #undef SAT8 |
| 1272 | return res; |
| 1273 | } |
| 1274 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1275 | uint32_t HELPER(neon_narrow_sat_s8)(CPUARMState *env, uint64_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1276 | { |
| 1277 | int16_t s; |
| 1278 | uint8_t d; |
| 1279 | uint32_t res = 0; |
| 1280 | #define SAT8(n) \ |
| 1281 | s = x >> n; \ |
| 1282 | if (s != (int8_t)s) { \ |
| 1283 | d = (s >> 15) ^ 0x7f; \ |
| 1284 | SET_QC(); \ |
| 1285 | } else { \ |
| 1286 | d = s; \ |
| 1287 | } \ |
| 1288 | res |= (uint32_t)d << (n / 2); |
| 1289 | |
| 1290 | SAT8(0); |
| 1291 | SAT8(16); |
| 1292 | SAT8(32); |
| 1293 | SAT8(48); |
| 1294 | #undef SAT8 |
| 1295 | return res; |
| 1296 | } |
| 1297 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1298 | uint32_t HELPER(neon_unarrow_sat16)(CPUARMState *env, uint64_t x) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1299 | { |
| 1300 | uint32_t high; |
| 1301 | uint32_t low; |
| 1302 | low = x; |
| 1303 | if (low & 0x80000000) { |
| 1304 | low = 0; |
| 1305 | SET_QC(); |
| 1306 | } else if (low > 0xffff) { |
| 1307 | low = 0xffff; |
| 1308 | SET_QC(); |
| 1309 | } |
| 1310 | high = x >> 32; |
| 1311 | if (high & 0x80000000) { |
| 1312 | high = 0; |
| 1313 | SET_QC(); |
| 1314 | } else if (high > 0xffff) { |
| 1315 | high = 0xffff; |
| 1316 | SET_QC(); |
| 1317 | } |
| 1318 | return low | (high << 16); |
| 1319 | } |
| 1320 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1321 | uint32_t HELPER(neon_narrow_sat_u16)(CPUARMState *env, uint64_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1322 | { |
| 1323 | uint32_t high; |
| 1324 | uint32_t low; |
| 1325 | low = x; |
| 1326 | if (low > 0xffff) { |
| 1327 | low = 0xffff; |
| 1328 | SET_QC(); |
| 1329 | } |
| 1330 | high = x >> 32; |
| 1331 | if (high > 0xffff) { |
| 1332 | high = 0xffff; |
| 1333 | SET_QC(); |
| 1334 | } |
| 1335 | return low | (high << 16); |
| 1336 | } |
| 1337 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1338 | uint32_t HELPER(neon_narrow_sat_s16)(CPUARMState *env, uint64_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1339 | { |
| 1340 | int32_t low; |
| 1341 | int32_t high; |
| 1342 | low = x; |
| 1343 | if (low != (int16_t)low) { |
| 1344 | low = (low >> 31) ^ 0x7fff; |
| 1345 | SET_QC(); |
| 1346 | } |
| 1347 | high = x >> 32; |
| 1348 | if (high != (int16_t)high) { |
| 1349 | high = (high >> 31) ^ 0x7fff; |
| 1350 | SET_QC(); |
| 1351 | } |
| 1352 | return (uint16_t)low | (high << 16); |
| 1353 | } |
| 1354 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1355 | uint32_t HELPER(neon_unarrow_sat32)(CPUARMState *env, uint64_t x) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1356 | { |
| 1357 | if (x & 0x8000000000000000ull) { |
| 1358 | SET_QC(); |
| 1359 | return 0; |
| 1360 | } |
| 1361 | if (x > 0xffffffffu) { |
| 1362 | SET_QC(); |
| 1363 | return 0xffffffffu; |
| 1364 | } |
| 1365 | return x; |
| 1366 | } |
| 1367 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1368 | uint32_t HELPER(neon_narrow_sat_u32)(CPUARMState *env, uint64_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1369 | { |
| 1370 | if (x > 0xffffffffu) { |
| 1371 | SET_QC(); |
| 1372 | return 0xffffffffu; |
| 1373 | } |
| 1374 | return x; |
| 1375 | } |
| 1376 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1377 | uint32_t HELPER(neon_narrow_sat_s32)(CPUARMState *env, uint64_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1378 | { |
| 1379 | if ((int64_t)x != (int32_t)x) { |
| 1380 | SET_QC(); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1381 | return ((int64_t)x >> 63) ^ 0x7fffffff; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1382 | } |
| 1383 | return x; |
| 1384 | } |
| 1385 | |
| 1386 | uint64_t HELPER(neon_widen_u8)(uint32_t x) |
| 1387 | { |
| 1388 | uint64_t tmp; |
| 1389 | uint64_t ret; |
| 1390 | ret = (uint8_t)x; |
| 1391 | tmp = (uint8_t)(x >> 8); |
| 1392 | ret |= tmp << 16; |
| 1393 | tmp = (uint8_t)(x >> 16); |
| 1394 | ret |= tmp << 32; |
| 1395 | tmp = (uint8_t)(x >> 24); |
| 1396 | ret |= tmp << 48; |
| 1397 | return ret; |
| 1398 | } |
| 1399 | |
| 1400 | uint64_t HELPER(neon_widen_s8)(uint32_t x) |
| 1401 | { |
| 1402 | uint64_t tmp; |
| 1403 | uint64_t ret; |
| 1404 | ret = (uint16_t)(int8_t)x; |
| 1405 | tmp = (uint16_t)(int8_t)(x >> 8); |
| 1406 | ret |= tmp << 16; |
| 1407 | tmp = (uint16_t)(int8_t)(x >> 16); |
| 1408 | ret |= tmp << 32; |
| 1409 | tmp = (uint16_t)(int8_t)(x >> 24); |
| 1410 | ret |= tmp << 48; |
| 1411 | return ret; |
| 1412 | } |
| 1413 | |
| 1414 | uint64_t HELPER(neon_widen_u16)(uint32_t x) |
| 1415 | { |
| 1416 | uint64_t high = (uint16_t)(x >> 16); |
| 1417 | return ((uint16_t)x) | (high << 32); |
| 1418 | } |
| 1419 | |
| 1420 | uint64_t HELPER(neon_widen_s16)(uint32_t x) |
| 1421 | { |
| 1422 | uint64_t high = (int16_t)(x >> 16); |
| 1423 | return ((uint32_t)(int16_t)x) | (high << 32); |
| 1424 | } |
| 1425 | |
| 1426 | uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b) |
| 1427 | { |
| 1428 | uint64_t mask; |
| 1429 | mask = (a ^ b) & 0x8000800080008000ull; |
| 1430 | a &= ~0x8000800080008000ull; |
| 1431 | b &= ~0x8000800080008000ull; |
| 1432 | return (a + b) ^ mask; |
| 1433 | } |
| 1434 | |
| 1435 | uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b) |
| 1436 | { |
| 1437 | uint64_t mask; |
| 1438 | mask = (a ^ b) & 0x8000000080000000ull; |
| 1439 | a &= ~0x8000000080000000ull; |
| 1440 | b &= ~0x8000000080000000ull; |
| 1441 | return (a + b) ^ mask; |
| 1442 | } |
| 1443 | |
| 1444 | uint64_t HELPER(neon_paddl_u16)(uint64_t a, uint64_t b) |
| 1445 | { |
| 1446 | uint64_t tmp; |
| 1447 | uint64_t tmp2; |
| 1448 | |
| 1449 | tmp = a & 0x0000ffff0000ffffull; |
| 1450 | tmp += (a >> 16) & 0x0000ffff0000ffffull; |
| 1451 | tmp2 = b & 0xffff0000ffff0000ull; |
| 1452 | tmp2 += (b << 16) & 0xffff0000ffff0000ull; |
| 1453 | return ( tmp & 0xffff) |
| 1454 | | ((tmp >> 16) & 0xffff0000ull) |
| 1455 | | ((tmp2 << 16) & 0xffff00000000ull) |
| 1456 | | ( tmp2 & 0xffff000000000000ull); |
| 1457 | } |
| 1458 | |
| 1459 | uint64_t HELPER(neon_paddl_u32)(uint64_t a, uint64_t b) |
| 1460 | { |
| 1461 | uint32_t low = a + (a >> 32); |
| 1462 | uint32_t high = b + (b >> 32); |
| 1463 | return low + ((uint64_t)high << 32); |
| 1464 | } |
| 1465 | |
| 1466 | uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b) |
| 1467 | { |
| 1468 | uint64_t mask; |
| 1469 | mask = (a ^ ~b) & 0x8000800080008000ull; |
| 1470 | a |= 0x8000800080008000ull; |
| 1471 | b &= ~0x8000800080008000ull; |
| 1472 | return (a - b) ^ mask; |
| 1473 | } |
| 1474 | |
| 1475 | uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b) |
| 1476 | { |
| 1477 | uint64_t mask; |
| 1478 | mask = (a ^ ~b) & 0x8000000080000000ull; |
| 1479 | a |= 0x8000000080000000ull; |
| 1480 | b &= ~0x8000000080000000ull; |
| 1481 | return (a - b) ^ mask; |
| 1482 | } |
| 1483 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1484 | uint64_t HELPER(neon_addl_saturate_s32)(CPUARMState *env, uint64_t a, uint64_t b) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1485 | { |
| 1486 | uint32_t x, y; |
| 1487 | uint32_t low, high; |
| 1488 | |
| 1489 | x = a; |
| 1490 | y = b; |
| 1491 | low = x + y; |
| 1492 | if (((low ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) { |
| 1493 | SET_QC(); |
| 1494 | low = ((int32_t)x >> 31) ^ ~SIGNBIT; |
| 1495 | } |
| 1496 | x = a >> 32; |
| 1497 | y = b >> 32; |
| 1498 | high = x + y; |
| 1499 | if (((high ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) { |
| 1500 | SET_QC(); |
| 1501 | high = ((int32_t)x >> 31) ^ ~SIGNBIT; |
| 1502 | } |
| 1503 | return low | ((uint64_t)high << 32); |
| 1504 | } |
| 1505 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1506 | uint64_t HELPER(neon_addl_saturate_s64)(CPUARMState *env, uint64_t a, uint64_t b) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1507 | { |
| 1508 | uint64_t result; |
| 1509 | |
| 1510 | result = a + b; |
| 1511 | if (((result ^ a) & SIGNBIT64) && !((a ^ b) & SIGNBIT64)) { |
| 1512 | SET_QC(); |
| 1513 | result = ((int64_t)a >> 63) ^ ~SIGNBIT64; |
| 1514 | } |
| 1515 | return result; |
| 1516 | } |
| 1517 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1518 | /* We have to do the arithmetic in a larger type than |
| 1519 | * the input type, because for example with a signed 32 bit |
| 1520 | * op the absolute difference can overflow a signed 32 bit value. |
| 1521 | */ |
| 1522 | #define DO_ABD(dest, x, y, intype, arithtype) do { \ |
| 1523 | arithtype tmp_x = (intype)(x); \ |
| 1524 | arithtype tmp_y = (intype)(y); \ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1525 | dest = ((tmp_x > tmp_y) ? tmp_x - tmp_y : tmp_y - tmp_x); \ |
| 1526 | } while(0) |
| 1527 | |
| 1528 | uint64_t HELPER(neon_abdl_u16)(uint32_t a, uint32_t b) |
| 1529 | { |
| 1530 | uint64_t tmp; |
| 1531 | uint64_t result; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1532 | DO_ABD(result, a, b, uint8_t, uint32_t); |
| 1533 | DO_ABD(tmp, a >> 8, b >> 8, uint8_t, uint32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1534 | result |= tmp << 16; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1535 | DO_ABD(tmp, a >> 16, b >> 16, uint8_t, uint32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1536 | result |= tmp << 32; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1537 | DO_ABD(tmp, a >> 24, b >> 24, uint8_t, uint32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1538 | result |= tmp << 48; |
| 1539 | return result; |
| 1540 | } |
| 1541 | |
| 1542 | uint64_t HELPER(neon_abdl_s16)(uint32_t a, uint32_t b) |
| 1543 | { |
| 1544 | uint64_t tmp; |
| 1545 | uint64_t result; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1546 | DO_ABD(result, a, b, int8_t, int32_t); |
| 1547 | DO_ABD(tmp, a >> 8, b >> 8, int8_t, int32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1548 | result |= tmp << 16; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1549 | DO_ABD(tmp, a >> 16, b >> 16, int8_t, int32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1550 | result |= tmp << 32; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1551 | DO_ABD(tmp, a >> 24, b >> 24, int8_t, int32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1552 | result |= tmp << 48; |
| 1553 | return result; |
| 1554 | } |
| 1555 | |
| 1556 | uint64_t HELPER(neon_abdl_u32)(uint32_t a, uint32_t b) |
| 1557 | { |
| 1558 | uint64_t tmp; |
| 1559 | uint64_t result; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1560 | DO_ABD(result, a, b, uint16_t, uint32_t); |
| 1561 | DO_ABD(tmp, a >> 16, b >> 16, uint16_t, uint32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1562 | return result | (tmp << 32); |
| 1563 | } |
| 1564 | |
| 1565 | uint64_t HELPER(neon_abdl_s32)(uint32_t a, uint32_t b) |
| 1566 | { |
| 1567 | uint64_t tmp; |
| 1568 | uint64_t result; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1569 | DO_ABD(result, a, b, int16_t, int32_t); |
| 1570 | DO_ABD(tmp, a >> 16, b >> 16, int16_t, int32_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1571 | return result | (tmp << 32); |
| 1572 | } |
| 1573 | |
| 1574 | uint64_t HELPER(neon_abdl_u64)(uint32_t a, uint32_t b) |
| 1575 | { |
| 1576 | uint64_t result; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1577 | DO_ABD(result, a, b, uint32_t, uint64_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1578 | return result; |
| 1579 | } |
| 1580 | |
| 1581 | uint64_t HELPER(neon_abdl_s64)(uint32_t a, uint32_t b) |
| 1582 | { |
| 1583 | uint64_t result; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1584 | DO_ABD(result, a, b, int32_t, int64_t); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1585 | return result; |
| 1586 | } |
| 1587 | #undef DO_ABD |
| 1588 | |
| 1589 | /* Widening multiply. Named type is the source type. */ |
| 1590 | #define DO_MULL(dest, x, y, type1, type2) do { \ |
| 1591 | type1 tmp_x = x; \ |
| 1592 | type1 tmp_y = y; \ |
| 1593 | dest = (type2)((type2)tmp_x * (type2)tmp_y); \ |
| 1594 | } while(0) |
| 1595 | |
| 1596 | uint64_t HELPER(neon_mull_u8)(uint32_t a, uint32_t b) |
| 1597 | { |
| 1598 | uint64_t tmp; |
| 1599 | uint64_t result; |
| 1600 | |
| 1601 | DO_MULL(result, a, b, uint8_t, uint16_t); |
| 1602 | DO_MULL(tmp, a >> 8, b >> 8, uint8_t, uint16_t); |
| 1603 | result |= tmp << 16; |
| 1604 | DO_MULL(tmp, a >> 16, b >> 16, uint8_t, uint16_t); |
| 1605 | result |= tmp << 32; |
| 1606 | DO_MULL(tmp, a >> 24, b >> 24, uint8_t, uint16_t); |
| 1607 | result |= tmp << 48; |
| 1608 | return result; |
| 1609 | } |
| 1610 | |
| 1611 | uint64_t HELPER(neon_mull_s8)(uint32_t a, uint32_t b) |
| 1612 | { |
| 1613 | uint64_t tmp; |
| 1614 | uint64_t result; |
| 1615 | |
| 1616 | DO_MULL(result, a, b, int8_t, uint16_t); |
| 1617 | DO_MULL(tmp, a >> 8, b >> 8, int8_t, uint16_t); |
| 1618 | result |= tmp << 16; |
| 1619 | DO_MULL(tmp, a >> 16, b >> 16, int8_t, uint16_t); |
| 1620 | result |= tmp << 32; |
| 1621 | DO_MULL(tmp, a >> 24, b >> 24, int8_t, uint16_t); |
| 1622 | result |= tmp << 48; |
| 1623 | return result; |
| 1624 | } |
| 1625 | |
| 1626 | uint64_t HELPER(neon_mull_u16)(uint32_t a, uint32_t b) |
| 1627 | { |
| 1628 | uint64_t tmp; |
| 1629 | uint64_t result; |
| 1630 | |
| 1631 | DO_MULL(result, a, b, uint16_t, uint32_t); |
| 1632 | DO_MULL(tmp, a >> 16, b >> 16, uint16_t, uint32_t); |
| 1633 | return result | (tmp << 32); |
| 1634 | } |
| 1635 | |
| 1636 | uint64_t HELPER(neon_mull_s16)(uint32_t a, uint32_t b) |
| 1637 | { |
| 1638 | uint64_t tmp; |
| 1639 | uint64_t result; |
| 1640 | |
| 1641 | DO_MULL(result, a, b, int16_t, uint32_t); |
| 1642 | DO_MULL(tmp, a >> 16, b >> 16, int16_t, uint32_t); |
| 1643 | return result | (tmp << 32); |
| 1644 | } |
| 1645 | |
| 1646 | uint64_t HELPER(neon_negl_u16)(uint64_t x) |
| 1647 | { |
| 1648 | uint16_t tmp; |
| 1649 | uint64_t result; |
| 1650 | result = (uint16_t)-x; |
| 1651 | tmp = -(x >> 16); |
| 1652 | result |= (uint64_t)tmp << 16; |
| 1653 | tmp = -(x >> 32); |
| 1654 | result |= (uint64_t)tmp << 32; |
| 1655 | tmp = -(x >> 48); |
| 1656 | result |= (uint64_t)tmp << 48; |
| 1657 | return result; |
| 1658 | } |
| 1659 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1660 | uint64_t HELPER(neon_negl_u32)(uint64_t x) |
| 1661 | { |
| 1662 | uint32_t low = -x; |
| 1663 | uint32_t high = -(x >> 32); |
| 1664 | return low | ((uint64_t)high << 32); |
| 1665 | } |
| 1666 | |
| 1667 | /* FIXME: There should be a native op for this. */ |
| 1668 | uint64_t HELPER(neon_negl_u64)(uint64_t x) |
| 1669 | { |
| 1670 | return -x; |
| 1671 | } |
| 1672 | |
David 'Digit' Turner | 9eef50a | 2014-04-03 00:16:44 +0200 | [diff] [blame] | 1673 | /* Saturating sign manipulation. */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1674 | /* ??? Make these use NEON_VOP1 */ |
| 1675 | #define DO_QABS8(x) do { \ |
| 1676 | if (x == (int8_t)0x80) { \ |
| 1677 | x = 0x7f; \ |
| 1678 | SET_QC(); \ |
| 1679 | } else if (x < 0) { \ |
| 1680 | x = -x; \ |
| 1681 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1682 | uint32_t HELPER(neon_qabs_s8)(CPUARMState *env, uint32_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1683 | { |
| 1684 | neon_s8 vec; |
| 1685 | NEON_UNPACK(neon_s8, vec, x); |
| 1686 | DO_QABS8(vec.v1); |
| 1687 | DO_QABS8(vec.v2); |
| 1688 | DO_QABS8(vec.v3); |
| 1689 | DO_QABS8(vec.v4); |
| 1690 | NEON_PACK(neon_s8, x, vec); |
| 1691 | return x; |
| 1692 | } |
| 1693 | #undef DO_QABS8 |
| 1694 | |
| 1695 | #define DO_QNEG8(x) do { \ |
| 1696 | if (x == (int8_t)0x80) { \ |
| 1697 | x = 0x7f; \ |
| 1698 | SET_QC(); \ |
| 1699 | } else { \ |
| 1700 | x = -x; \ |
| 1701 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1702 | uint32_t HELPER(neon_qneg_s8)(CPUARMState *env, uint32_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1703 | { |
| 1704 | neon_s8 vec; |
| 1705 | NEON_UNPACK(neon_s8, vec, x); |
| 1706 | DO_QNEG8(vec.v1); |
| 1707 | DO_QNEG8(vec.v2); |
| 1708 | DO_QNEG8(vec.v3); |
| 1709 | DO_QNEG8(vec.v4); |
| 1710 | NEON_PACK(neon_s8, x, vec); |
| 1711 | return x; |
| 1712 | } |
| 1713 | #undef DO_QNEG8 |
| 1714 | |
| 1715 | #define DO_QABS16(x) do { \ |
| 1716 | if (x == (int16_t)0x8000) { \ |
| 1717 | x = 0x7fff; \ |
| 1718 | SET_QC(); \ |
| 1719 | } else if (x < 0) { \ |
| 1720 | x = -x; \ |
| 1721 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1722 | uint32_t HELPER(neon_qabs_s16)(CPUARMState *env, uint32_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1723 | { |
| 1724 | neon_s16 vec; |
| 1725 | NEON_UNPACK(neon_s16, vec, x); |
| 1726 | DO_QABS16(vec.v1); |
| 1727 | DO_QABS16(vec.v2); |
| 1728 | NEON_PACK(neon_s16, x, vec); |
| 1729 | return x; |
| 1730 | } |
| 1731 | #undef DO_QABS16 |
| 1732 | |
| 1733 | #define DO_QNEG16(x) do { \ |
| 1734 | if (x == (int16_t)0x8000) { \ |
| 1735 | x = 0x7fff; \ |
| 1736 | SET_QC(); \ |
| 1737 | } else { \ |
| 1738 | x = -x; \ |
| 1739 | }} while (0) |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1740 | uint32_t HELPER(neon_qneg_s16)(CPUARMState *env, uint32_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1741 | { |
| 1742 | neon_s16 vec; |
| 1743 | NEON_UNPACK(neon_s16, vec, x); |
| 1744 | DO_QNEG16(vec.v1); |
| 1745 | DO_QNEG16(vec.v2); |
| 1746 | NEON_PACK(neon_s16, x, vec); |
| 1747 | return x; |
| 1748 | } |
| 1749 | #undef DO_QNEG16 |
| 1750 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1751 | uint32_t HELPER(neon_qabs_s32)(CPUARMState *env, uint32_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1752 | { |
| 1753 | if (x == SIGNBIT) { |
| 1754 | SET_QC(); |
| 1755 | x = ~SIGNBIT; |
| 1756 | } else if ((int32_t)x < 0) { |
| 1757 | x = -x; |
| 1758 | } |
| 1759 | return x; |
| 1760 | } |
| 1761 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1762 | uint32_t HELPER(neon_qneg_s32)(CPUARMState *env, uint32_t x) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1763 | { |
| 1764 | if (x == SIGNBIT) { |
| 1765 | SET_QC(); |
| 1766 | x = ~SIGNBIT; |
| 1767 | } else { |
| 1768 | x = -x; |
| 1769 | } |
| 1770 | return x; |
| 1771 | } |
| 1772 | |
| 1773 | /* NEON Float helpers. */ |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1774 | uint32_t HELPER(neon_min_f32)(uint32_t a, uint32_t b, void *fpstp) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1775 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1776 | float_status *fpst = fpstp; |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1777 | return float32_val(float32_min(make_float32(a), make_float32(b), fpst)); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1778 | } |
| 1779 | |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1780 | uint32_t HELPER(neon_max_f32)(uint32_t a, uint32_t b, void *fpstp) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1781 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1782 | float_status *fpst = fpstp; |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1783 | return float32_val(float32_max(make_float32(a), make_float32(b), fpst)); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1784 | } |
| 1785 | |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1786 | uint32_t HELPER(neon_abd_f32)(uint32_t a, uint32_t b, void *fpstp) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1787 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1788 | float_status *fpst = fpstp; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1789 | float32 f0 = make_float32(a); |
| 1790 | float32 f1 = make_float32(b); |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1791 | return float32_val(float32_abs(float32_sub(f0, f1, fpst))); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1792 | } |
| 1793 | |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1794 | /* Floating point comparisons produce an integer result. |
| 1795 | * Note that EQ doesn't signal InvalidOp for QNaNs but GE and GT do. |
| 1796 | * Softfloat routines return 0/1, which we convert to the 0/-1 Neon requires. |
| 1797 | */ |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1798 | uint32_t HELPER(neon_ceq_f32)(uint32_t a, uint32_t b, void *fpstp) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1799 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1800 | float_status *fpst = fpstp; |
| 1801 | return -float32_eq_quiet(make_float32(a), make_float32(b), fpst); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1802 | } |
| 1803 | |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1804 | uint32_t HELPER(neon_cge_f32)(uint32_t a, uint32_t b, void *fpstp) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1805 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1806 | float_status *fpst = fpstp; |
| 1807 | return -float32_le(make_float32(b), make_float32(a), fpst); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1808 | } |
| 1809 | |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1810 | uint32_t HELPER(neon_cgt_f32)(uint32_t a, uint32_t b, void *fpstp) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1811 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1812 | float_status *fpst = fpstp; |
| 1813 | return -float32_lt(make_float32(b), make_float32(a), fpst); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1814 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1815 | |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1816 | uint32_t HELPER(neon_acge_f32)(uint32_t a, uint32_t b, void *fpstp) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1817 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1818 | float_status *fpst = fpstp; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1819 | float32 f0 = float32_abs(make_float32(a)); |
| 1820 | float32 f1 = float32_abs(make_float32(b)); |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1821 | return -float32_le(f1, f0, fpst); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1822 | } |
| 1823 | |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1824 | uint32_t HELPER(neon_acgt_f32)(uint32_t a, uint32_t b, void *fpstp) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1825 | { |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1826 | float_status *fpst = fpstp; |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1827 | float32 f0 = float32_abs(make_float32(a)); |
| 1828 | float32 f1 = float32_abs(make_float32(b)); |
David 'Digit' Turner | 1699898 | 2014-03-18 17:23:07 +0100 | [diff] [blame] | 1829 | return -float32_lt(f1, f0, fpst); |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1830 | } |
| 1831 | |
| 1832 | #define ELEM(V, N, SIZE) (((V) >> ((N) * (SIZE))) & ((1ull << (SIZE)) - 1)) |
| 1833 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1834 | void HELPER(neon_qunzip8)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1835 | { |
| 1836 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
| 1837 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); |
| 1838 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
| 1839 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); |
| 1840 | uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zd0, 2, 8) << 8) |
| 1841 | | (ELEM(zd0, 4, 8) << 16) | (ELEM(zd0, 6, 8) << 24) |
| 1842 | | (ELEM(zd1, 0, 8) << 32) | (ELEM(zd1, 2, 8) << 40) |
| 1843 | | (ELEM(zd1, 4, 8) << 48) | (ELEM(zd1, 6, 8) << 56); |
| 1844 | uint64_t d1 = ELEM(zm0, 0, 8) | (ELEM(zm0, 2, 8) << 8) |
| 1845 | | (ELEM(zm0, 4, 8) << 16) | (ELEM(zm0, 6, 8) << 24) |
| 1846 | | (ELEM(zm1, 0, 8) << 32) | (ELEM(zm1, 2, 8) << 40) |
| 1847 | | (ELEM(zm1, 4, 8) << 48) | (ELEM(zm1, 6, 8) << 56); |
| 1848 | uint64_t m0 = ELEM(zd0, 1, 8) | (ELEM(zd0, 3, 8) << 8) |
| 1849 | | (ELEM(zd0, 5, 8) << 16) | (ELEM(zd0, 7, 8) << 24) |
| 1850 | | (ELEM(zd1, 1, 8) << 32) | (ELEM(zd1, 3, 8) << 40) |
| 1851 | | (ELEM(zd1, 5, 8) << 48) | (ELEM(zd1, 7, 8) << 56); |
| 1852 | uint64_t m1 = ELEM(zm0, 1, 8) | (ELEM(zm0, 3, 8) << 8) |
| 1853 | | (ELEM(zm0, 5, 8) << 16) | (ELEM(zm0, 7, 8) << 24) |
| 1854 | | (ELEM(zm1, 1, 8) << 32) | (ELEM(zm1, 3, 8) << 40) |
| 1855 | | (ELEM(zm1, 5, 8) << 48) | (ELEM(zm1, 7, 8) << 56); |
| 1856 | env->vfp.regs[rm] = make_float64(m0); |
| 1857 | env->vfp.regs[rm + 1] = make_float64(m1); |
| 1858 | env->vfp.regs[rd] = make_float64(d0); |
| 1859 | env->vfp.regs[rd + 1] = make_float64(d1); |
| 1860 | } |
| 1861 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1862 | void HELPER(neon_qunzip16)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1863 | { |
| 1864 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
| 1865 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); |
| 1866 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
| 1867 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); |
| 1868 | uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zd0, 2, 16) << 16) |
| 1869 | | (ELEM(zd1, 0, 16) << 32) | (ELEM(zd1, 2, 16) << 48); |
| 1870 | uint64_t d1 = ELEM(zm0, 0, 16) | (ELEM(zm0, 2, 16) << 16) |
| 1871 | | (ELEM(zm1, 0, 16) << 32) | (ELEM(zm1, 2, 16) << 48); |
| 1872 | uint64_t m0 = ELEM(zd0, 1, 16) | (ELEM(zd0, 3, 16) << 16) |
| 1873 | | (ELEM(zd1, 1, 16) << 32) | (ELEM(zd1, 3, 16) << 48); |
| 1874 | uint64_t m1 = ELEM(zm0, 1, 16) | (ELEM(zm0, 3, 16) << 16) |
| 1875 | | (ELEM(zm1, 1, 16) << 32) | (ELEM(zm1, 3, 16) << 48); |
| 1876 | env->vfp.regs[rm] = make_float64(m0); |
| 1877 | env->vfp.regs[rm + 1] = make_float64(m1); |
| 1878 | env->vfp.regs[rd] = make_float64(d0); |
| 1879 | env->vfp.regs[rd + 1] = make_float64(d1); |
| 1880 | } |
| 1881 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1882 | void HELPER(neon_qunzip32)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1883 | { |
| 1884 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
| 1885 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); |
| 1886 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
| 1887 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); |
| 1888 | uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zd1, 0, 32) << 32); |
| 1889 | uint64_t d1 = ELEM(zm0, 0, 32) | (ELEM(zm1, 0, 32) << 32); |
| 1890 | uint64_t m0 = ELEM(zd0, 1, 32) | (ELEM(zd1, 1, 32) << 32); |
| 1891 | uint64_t m1 = ELEM(zm0, 1, 32) | (ELEM(zm1, 1, 32) << 32); |
| 1892 | env->vfp.regs[rm] = make_float64(m0); |
| 1893 | env->vfp.regs[rm + 1] = make_float64(m1); |
| 1894 | env->vfp.regs[rd] = make_float64(d0); |
| 1895 | env->vfp.regs[rd + 1] = make_float64(d1); |
| 1896 | } |
| 1897 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1898 | void HELPER(neon_unzip8)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1899 | { |
| 1900 | uint64_t zm = float64_val(env->vfp.regs[rm]); |
| 1901 | uint64_t zd = float64_val(env->vfp.regs[rd]); |
| 1902 | uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zd, 2, 8) << 8) |
| 1903 | | (ELEM(zd, 4, 8) << 16) | (ELEM(zd, 6, 8) << 24) |
| 1904 | | (ELEM(zm, 0, 8) << 32) | (ELEM(zm, 2, 8) << 40) |
| 1905 | | (ELEM(zm, 4, 8) << 48) | (ELEM(zm, 6, 8) << 56); |
| 1906 | uint64_t m0 = ELEM(zd, 1, 8) | (ELEM(zd, 3, 8) << 8) |
| 1907 | | (ELEM(zd, 5, 8) << 16) | (ELEM(zd, 7, 8) << 24) |
| 1908 | | (ELEM(zm, 1, 8) << 32) | (ELEM(zm, 3, 8) << 40) |
| 1909 | | (ELEM(zm, 5, 8) << 48) | (ELEM(zm, 7, 8) << 56); |
| 1910 | env->vfp.regs[rm] = make_float64(m0); |
| 1911 | env->vfp.regs[rd] = make_float64(d0); |
| 1912 | } |
| 1913 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1914 | void HELPER(neon_unzip16)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1915 | { |
| 1916 | uint64_t zm = float64_val(env->vfp.regs[rm]); |
| 1917 | uint64_t zd = float64_val(env->vfp.regs[rd]); |
| 1918 | uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zd, 2, 16) << 16) |
| 1919 | | (ELEM(zm, 0, 16) << 32) | (ELEM(zm, 2, 16) << 48); |
| 1920 | uint64_t m0 = ELEM(zd, 1, 16) | (ELEM(zd, 3, 16) << 16) |
| 1921 | | (ELEM(zm, 1, 16) << 32) | (ELEM(zm, 3, 16) << 48); |
| 1922 | env->vfp.regs[rm] = make_float64(m0); |
| 1923 | env->vfp.regs[rd] = make_float64(d0); |
| 1924 | } |
| 1925 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1926 | void HELPER(neon_qzip8)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1927 | { |
| 1928 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
| 1929 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); |
| 1930 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
| 1931 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); |
| 1932 | uint64_t d0 = ELEM(zd0, 0, 8) | (ELEM(zm0, 0, 8) << 8) |
| 1933 | | (ELEM(zd0, 1, 8) << 16) | (ELEM(zm0, 1, 8) << 24) |
| 1934 | | (ELEM(zd0, 2, 8) << 32) | (ELEM(zm0, 2, 8) << 40) |
| 1935 | | (ELEM(zd0, 3, 8) << 48) | (ELEM(zm0, 3, 8) << 56); |
| 1936 | uint64_t d1 = ELEM(zd0, 4, 8) | (ELEM(zm0, 4, 8) << 8) |
| 1937 | | (ELEM(zd0, 5, 8) << 16) | (ELEM(zm0, 5, 8) << 24) |
| 1938 | | (ELEM(zd0, 6, 8) << 32) | (ELEM(zm0, 6, 8) << 40) |
| 1939 | | (ELEM(zd0, 7, 8) << 48) | (ELEM(zm0, 7, 8) << 56); |
| 1940 | uint64_t m0 = ELEM(zd1, 0, 8) | (ELEM(zm1, 0, 8) << 8) |
| 1941 | | (ELEM(zd1, 1, 8) << 16) | (ELEM(zm1, 1, 8) << 24) |
| 1942 | | (ELEM(zd1, 2, 8) << 32) | (ELEM(zm1, 2, 8) << 40) |
| 1943 | | (ELEM(zd1, 3, 8) << 48) | (ELEM(zm1, 3, 8) << 56); |
| 1944 | uint64_t m1 = ELEM(zd1, 4, 8) | (ELEM(zm1, 4, 8) << 8) |
| 1945 | | (ELEM(zd1, 5, 8) << 16) | (ELEM(zm1, 5, 8) << 24) |
| 1946 | | (ELEM(zd1, 6, 8) << 32) | (ELEM(zm1, 6, 8) << 40) |
| 1947 | | (ELEM(zd1, 7, 8) << 48) | (ELEM(zm1, 7, 8) << 56); |
| 1948 | env->vfp.regs[rm] = make_float64(m0); |
| 1949 | env->vfp.regs[rm + 1] = make_float64(m1); |
| 1950 | env->vfp.regs[rd] = make_float64(d0); |
| 1951 | env->vfp.regs[rd + 1] = make_float64(d1); |
| 1952 | } |
| 1953 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1954 | void HELPER(neon_qzip16)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1955 | { |
| 1956 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
| 1957 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); |
| 1958 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
| 1959 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); |
| 1960 | uint64_t d0 = ELEM(zd0, 0, 16) | (ELEM(zm0, 0, 16) << 16) |
| 1961 | | (ELEM(zd0, 1, 16) << 32) | (ELEM(zm0, 1, 16) << 48); |
| 1962 | uint64_t d1 = ELEM(zd0, 2, 16) | (ELEM(zm0, 2, 16) << 16) |
| 1963 | | (ELEM(zd0, 3, 16) << 32) | (ELEM(zm0, 3, 16) << 48); |
| 1964 | uint64_t m0 = ELEM(zd1, 0, 16) | (ELEM(zm1, 0, 16) << 16) |
| 1965 | | (ELEM(zd1, 1, 16) << 32) | (ELEM(zm1, 1, 16) << 48); |
| 1966 | uint64_t m1 = ELEM(zd1, 2, 16) | (ELEM(zm1, 2, 16) << 16) |
| 1967 | | (ELEM(zd1, 3, 16) << 32) | (ELEM(zm1, 3, 16) << 48); |
| 1968 | env->vfp.regs[rm] = make_float64(m0); |
| 1969 | env->vfp.regs[rm + 1] = make_float64(m1); |
| 1970 | env->vfp.regs[rd] = make_float64(d0); |
| 1971 | env->vfp.regs[rd + 1] = make_float64(d1); |
| 1972 | } |
| 1973 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1974 | void HELPER(neon_qzip32)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1975 | { |
| 1976 | uint64_t zm0 = float64_val(env->vfp.regs[rm]); |
| 1977 | uint64_t zm1 = float64_val(env->vfp.regs[rm + 1]); |
| 1978 | uint64_t zd0 = float64_val(env->vfp.regs[rd]); |
| 1979 | uint64_t zd1 = float64_val(env->vfp.regs[rd + 1]); |
| 1980 | uint64_t d0 = ELEM(zd0, 0, 32) | (ELEM(zm0, 0, 32) << 32); |
| 1981 | uint64_t d1 = ELEM(zd0, 1, 32) | (ELEM(zm0, 1, 32) << 32); |
| 1982 | uint64_t m0 = ELEM(zd1, 0, 32) | (ELEM(zm1, 0, 32) << 32); |
| 1983 | uint64_t m1 = ELEM(zd1, 1, 32) | (ELEM(zm1, 1, 32) << 32); |
| 1984 | env->vfp.regs[rm] = make_float64(m0); |
| 1985 | env->vfp.regs[rm + 1] = make_float64(m1); |
| 1986 | env->vfp.regs[rd] = make_float64(d0); |
| 1987 | env->vfp.regs[rd + 1] = make_float64(d1); |
| 1988 | } |
| 1989 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 1990 | void HELPER(neon_zip8)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 1991 | { |
| 1992 | uint64_t zm = float64_val(env->vfp.regs[rm]); |
| 1993 | uint64_t zd = float64_val(env->vfp.regs[rd]); |
| 1994 | uint64_t d0 = ELEM(zd, 0, 8) | (ELEM(zm, 0, 8) << 8) |
| 1995 | | (ELEM(zd, 1, 8) << 16) | (ELEM(zm, 1, 8) << 24) |
| 1996 | | (ELEM(zd, 2, 8) << 32) | (ELEM(zm, 2, 8) << 40) |
| 1997 | | (ELEM(zd, 3, 8) << 48) | (ELEM(zm, 3, 8) << 56); |
| 1998 | uint64_t m0 = ELEM(zd, 4, 8) | (ELEM(zm, 4, 8) << 8) |
| 1999 | | (ELEM(zd, 5, 8) << 16) | (ELEM(zm, 5, 8) << 24) |
| 2000 | | (ELEM(zd, 6, 8) << 32) | (ELEM(zm, 6, 8) << 40) |
| 2001 | | (ELEM(zd, 7, 8) << 48) | (ELEM(zm, 7, 8) << 56); |
| 2002 | env->vfp.regs[rm] = make_float64(m0); |
| 2003 | env->vfp.regs[rd] = make_float64(d0); |
| 2004 | } |
| 2005 | |
David 'Digit' Turner | 3d323dd | 2014-03-19 10:42:06 +0100 | [diff] [blame] | 2006 | void HELPER(neon_zip16)(CPUARMState *env, uint32_t rd, uint32_t rm) |
David 'Digit' Turner | 5285864 | 2011-06-03 13:41:05 +0200 | [diff] [blame] | 2007 | { |
| 2008 | uint64_t zm = float64_val(env->vfp.regs[rm]); |
| 2009 | uint64_t zd = float64_val(env->vfp.regs[rd]); |
| 2010 | uint64_t d0 = ELEM(zd, 0, 16) | (ELEM(zm, 0, 16) << 16) |
| 2011 | | (ELEM(zd, 1, 16) << 32) | (ELEM(zm, 1, 16) << 48); |
| 2012 | uint64_t m0 = ELEM(zd, 2, 16) | (ELEM(zm, 2, 16) << 16) |
| 2013 | | (ELEM(zd, 3, 16) << 32) | (ELEM(zm, 3, 16) << 48); |
| 2014 | env->vfp.regs[rm] = make_float64(m0); |
| 2015 | env->vfp.regs[rd] = make_float64(d0); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2016 | } |