repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Alpha optimized DSP utils | |
| 3 | * Copyright (c) 2002 Falk Hueffner <falk@debian.org> | |
| 4 | * | |
| 5 | * This file is part of FFmpeg. | |
| 6 | * | |
| 7 | * FFmpeg is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU Lesser General Public | |
| 9 | * License as published by the Free Software Foundation; either | |
| 10 | * version 2.1 of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * FFmpeg is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public | |
| 18 | * License along with FFmpeg; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef AVCODEC_ALPHA_ASM_H | |
| 23 | #define AVCODEC_ALPHA_ASM_H | |
| 24 | ||
| 25 | #include <inttypes.h> | |
| 26 | ||
| 27 | #include "libavutil/common.h" | |
| 28 | ||
| 29 | #if AV_GCC_VERSION_AT_LEAST(2,96) | |
| 30 | # define likely(x) __builtin_expect((x) != 0, 1) | |
| 31 | # define unlikely(x) __builtin_expect((x) != 0, 0) | |
| 32 | #else | |
| 33 | # define likely(x) (x) | |
| 34 | # define unlikely(x) (x) | |
| 35 | #endif | |
| 36 | ||
| 37 | #define AMASK_BWX (1 << 0) | |
| 38 | #define AMASK_FIX (1 << 1) | |
| 39 | #define AMASK_CIX (1 << 2) | |
| 40 | #define AMASK_MVI (1 << 8) | |
| 41 | ||
| 42 | static inline uint64_t BYTE_VEC(uint64_t x) | |
| 43 | { | |
| 44 | x |= x << 8; | |
| 45 | x |= x << 16; | |
| 46 | x |= x << 32; | |
| 47 | return x; | |
| 48 | } | |
| 49 | static inline uint64_t WORD_VEC(uint64_t x) | |
| 50 | { | |
| 51 | x |= x << 16; | |
| 52 | x |= x << 32; | |
| 53 | return x; | |
| 54 | } | |
| 55 | ||
| 56 | #define sextw(x) ((int16_t) (x)) | |
| 57 | ||
| 58 | #ifdef __GNUC__ | |
| 59 | #define ldq(p) \ | |
| 60 | (((const union { \ | |
| 61 | uint64_t __l; \ | |
| 62 | __typeof__(*(p)) __s[sizeof (uint64_t) / sizeof *(p)]; \ | |
| 63 | } *) (p))->__l) | |
| 64 | #define ldl(p) \ | |
| 65 | (((const union { \ | |
| 66 | int32_t __l; \ | |
| 67 | __typeof__(*(p)) __s[sizeof (int32_t) / sizeof *(p)]; \ | |
| 68 | } *) (p))->__l) | |
| 69 | #define stq(l, p) \ | |
| 70 | do { \ | |
| 71 | (((union { \ | |
| 72 | uint64_t __l; \ | |
| 73 | __typeof__(*(p)) __s[sizeof (uint64_t) / sizeof *(p)]; \ | |
| 74 | } *) (p))->__l) = l; \ | |
| 75 | } while (0) | |
| 76 | #define stl(l, p) \ | |
| 77 | do { \ | |
| 78 | (((union { \ | |
| 79 | int32_t __l; \ | |
| 80 | __typeof__(*(p)) __s[sizeof (int32_t) / sizeof *(p)]; \ | |
| 81 | } *) (p))->__l) = l; \ | |
| 82 | } while (0) | |
| 83 | struct unaligned_long { uint64_t l; } __attribute__((packed)); | |
| 84 | #define ldq_u(p) (*(const uint64_t *) (((uint64_t) (p)) & ~7ul)) | |
| 85 | #define uldq(a) (((const struct unaligned_long *) (a))->l) | |
| 86 | ||
| 87 | #if AV_GCC_VERSION_AT_LEAST(3,3) | |
| 88 | #define prefetch(p) __builtin_prefetch((p), 0, 1) | |
| 89 | #define prefetch_en(p) __builtin_prefetch((p), 0, 0) | |
| 90 | #define prefetch_m(p) __builtin_prefetch((p), 1, 1) | |
| 91 | #define prefetch_men(p) __builtin_prefetch((p), 1, 0) | |
| 92 | #define cmpbge __builtin_alpha_cmpbge | |
| 93 | /* Avoid warnings. */ | |
| 94 | #define extql(a, b) __builtin_alpha_extql(a, (uint64_t) (b)) | |
| 95 | #define extwl(a, b) __builtin_alpha_extwl(a, (uint64_t) (b)) | |
| 96 | #define extqh(a, b) __builtin_alpha_extqh(a, (uint64_t) (b)) | |
| 97 | #define zap __builtin_alpha_zap | |
| 98 | #define zapnot __builtin_alpha_zapnot | |
| 99 | #define amask __builtin_alpha_amask | |
| 100 | #define implver __builtin_alpha_implver | |
| 101 | #define rpcc __builtin_alpha_rpcc | |
| 102 | #else | |
| 103 | #define prefetch(p) __asm__ volatile("ldl $31,%0" : : "m"(*(const char *) (p)) : "memory") | |
| 104 | #define prefetch_en(p) __asm__ volatile("ldq $31,%0" : : "m"(*(const char *) (p)) : "memory") | |
| 105 | #define prefetch_m(p) __asm__ volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory") | |
| 106 | #define prefetch_men(p) __asm__ volatile("ldt $f31,%0" : : "m"(*(const char *) (p)) : "memory") | |
| 107 | #define cmpbge(a, b) ({ uint64_t __r; __asm__ ("cmpbge %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) | |
| 108 | #define extql(a, b) ({ uint64_t __r; __asm__ ("extql %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) | |
| 109 | #define extwl(a, b) ({ uint64_t __r; __asm__ ("extwl %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) | |
| 110 | #define extqh(a, b) ({ uint64_t __r; __asm__ ("extqh %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) | |
| 111 | #define zap(a, b) ({ uint64_t __r; __asm__ ("zap %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) | |
| 112 | #define zapnot(a, b) ({ uint64_t __r; __asm__ ("zapnot %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) | |
| 113 | #define amask(a) ({ uint64_t __r; __asm__ ("amask %1,%0" : "=r" (__r) : "rI" (a)); __r; }) | |
| 114 | #define implver() ({ uint64_t __r; __asm__ ("implver %0" : "=r" (__r)); __r; }) | |
| 115 | #define rpcc() ({ uint64_t __r; __asm__ volatile ("rpcc %0" : "=r" (__r)); __r; }) | |
| 116 | #endif | |
| 117 | #define wh64(p) __asm__ volatile("wh64 (%0)" : : "r"(p) : "memory") | |
| 118 | ||
| 119 | #if AV_GCC_VERSION_AT_LEAST(3,3) && defined(__alpha_max__) | |
| 120 | #define minub8 __builtin_alpha_minub8 | |
| 121 | #define minsb8 __builtin_alpha_minsb8 | |
| 122 | #define minuw4 __builtin_alpha_minuw4 | |
| 123 | #define minsw4 __builtin_alpha_minsw4 | |
| 124 | #define maxub8 __builtin_alpha_maxub8 | |
| 125 | #define maxsb8 __builtin_alpha_maxsb8 | |
| 126 | #define maxuw4 __builtin_alpha_maxuw4 | |
| 127 | #define maxsw4 __builtin_alpha_maxsw4 | |
| 128 | #define perr __builtin_alpha_perr | |
| 129 | #define pklb __builtin_alpha_pklb | |
| 130 | #define pkwb __builtin_alpha_pkwb | |
| 131 | #define unpkbl __builtin_alpha_unpkbl | |
| 132 | #define unpkbw __builtin_alpha_unpkbw | |
| 133 | #else | |
| 134 | #define minub8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 135 | #define minsb8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 136 | #define minuw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 137 | #define minsw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 138 | #define maxub8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 139 | #define maxsb8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 140 | #define maxuw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 141 | #define maxsw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) | |
| 142 | #define perr(a, b) ({ uint64_t __r; __asm__ (".arch ev6; perr %r1,%r2,%0" : "=r" (__r) : "%rJ" (a), "rJ" (b)); __r; }) | |
| 143 | #define pklb(a) ({ uint64_t __r; __asm__ (".arch ev6; pklb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) | |
| 144 | #define pkwb(a) ({ uint64_t __r; __asm__ (".arch ev6; pkwb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) | |
| 145 | #define unpkbl(a) ({ uint64_t __r; __asm__ (".arch ev6; unpkbl %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) | |
| 146 | #define unpkbw(a) ({ uint64_t __r; __asm__ (".arch ev6; unpkbw %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) | |
| 147 | #endif | |
| 148 | ||
| 149 | #elif defined(__DECC) /* Digital/Compaq/hp "ccc" compiler */ | |
| 150 | ||
| 151 | #include <c_asm.h> | |
| 152 | #define ldq(p) (*(const uint64_t *) (p)) | |
| 153 | #define ldl(p) (*(const int32_t *) (p)) | |
| 154 | #define stq(l, p) do { *(uint64_t *) (p) = (l); } while (0) | |
| 155 | #define stl(l, p) do { *(int32_t *) (p) = (l); } while (0) | |
| 156 | #define ldq_u(a) asm ("ldq_u %v0,0(%a0)", a) | |
| 157 | #define uldq(a) (*(const __unaligned uint64_t *) (a)) | |
| 158 | #define cmpbge(a, b) asm ("cmpbge %a0,%a1,%v0", a, b) | |
| 159 | #define extql(a, b) asm ("extql %a0,%a1,%v0", a, b) | |
| 160 | #define extwl(a, b) asm ("extwl %a0,%a1,%v0", a, b) | |
| 161 | #define extqh(a, b) asm ("extqh %a0,%a1,%v0", a, b) | |
| 162 | #define zap(a, b) asm ("zap %a0,%a1,%v0", a, b) | |
| 163 | #define zapnot(a, b) asm ("zapnot %a0,%a1,%v0", a, b) | |
| 164 | #define amask(a) asm ("amask %a0,%v0", a) | |
| 165 | #define implver() asm ("implver %v0") | |
| 166 | #define rpcc() asm ("rpcc %v0") | |
| 167 | #define minub8(a, b) asm ("minub8 %a0,%a1,%v0", a, b) | |
| 168 | #define minsb8(a, b) asm ("minsb8 %a0,%a1,%v0", a, b) | |
| 169 | #define minuw4(a, b) asm ("minuw4 %a0,%a1,%v0", a, b) | |
| 170 | #define minsw4(a, b) asm ("minsw4 %a0,%a1,%v0", a, b) | |
| 171 | #define maxub8(a, b) asm ("maxub8 %a0,%a1,%v0", a, b) | |
| 172 | #define maxsb8(a, b) asm ("maxsb8 %a0,%a1,%v0", a, b) | |
| 173 | #define maxuw4(a, b) asm ("maxuw4 %a0,%a1,%v0", a, b) | |
| 174 | #define maxsw4(a, b) asm ("maxsw4 %a0,%a1,%v0", a, b) | |
| 175 | #define perr(a, b) asm ("perr %a0,%a1,%v0", a, b) | |
| 176 | #define pklb(a) asm ("pklb %a0,%v0", a) | |
| 177 | #define pkwb(a) asm ("pkwb %a0,%v0", a) | |
| 178 | #define unpkbl(a) asm ("unpkbl %a0,%v0", a) | |
| 179 | #define unpkbw(a) asm ("unpkbw %a0,%v0", a) | |
| 180 | #define wh64(a) asm ("wh64 %a0", a) | |
| 181 | ||
| 182 | #else | |
| 183 | #error "Unknown compiler!" | |
| 184 | #endif | |
| 185 | ||
| 186 | #endif /* AVCODEC_ALPHA_ASM_H */ |