| /* |
| * Alpha optimized DSP utils |
| * Copyright (c) 2002 Falk Hueffner <falk@debian.org> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVCODEC_ALPHA_ASM_H |
| #define AVCODEC_ALPHA_ASM_H |
| |
| #include <inttypes.h> |
| |
| #include "libavutil/common.h" |
| |
| #if AV_GCC_VERSION_AT_LEAST(2,96) |
| # define likely(x) __builtin_expect((x) != 0, 1) |
| # define unlikely(x) __builtin_expect((x) != 0, 0) |
| #else |
| # define likely(x) (x) |
| # define unlikely(x) (x) |
| #endif |
| |
| #define AMASK_BWX (1 << 0) |
| #define AMASK_FIX (1 << 1) |
| #define AMASK_CIX (1 << 2) |
| #define AMASK_MVI (1 << 8) |
| |
| static inline uint64_t BYTE_VEC(uint64_t x) |
| { |
| x |= x << 8; |
| x |= x << 16; |
| x |= x << 32; |
| return x; |
| } |
| static inline uint64_t WORD_VEC(uint64_t x) |
| { |
| x |= x << 16; |
| x |= x << 32; |
| return x; |
| } |
| |
| #define sextw(x) ((int16_t) (x)) |
| |
| #ifdef __GNUC__ |
| #define ldq(p) \ |
| (((const union { \ |
| uint64_t __l; \ |
| __typeof__(*(p)) __s[sizeof (uint64_t) / sizeof *(p)]; \ |
| } *) (p))->__l) |
| #define ldl(p) \ |
| (((const union { \ |
| int32_t __l; \ |
| __typeof__(*(p)) __s[sizeof (int32_t) / sizeof *(p)]; \ |
| } *) (p))->__l) |
| #define stq(l, p) \ |
| do { \ |
| (((union { \ |
| uint64_t __l; \ |
| __typeof__(*(p)) __s[sizeof (uint64_t) / sizeof *(p)]; \ |
| } *) (p))->__l) = l; \ |
| } while (0) |
| #define stl(l, p) \ |
| do { \ |
| (((union { \ |
| int32_t __l; \ |
| __typeof__(*(p)) __s[sizeof (int32_t) / sizeof *(p)]; \ |
| } *) (p))->__l) = l; \ |
| } while (0) |
| struct unaligned_long { uint64_t l; } __attribute__((packed)); |
| #define ldq_u(p) (*(const uint64_t *) (((uint64_t) (p)) & ~7ul)) |
| #define uldq(a) (((const struct unaligned_long *) (a))->l) |
| |
| #if AV_GCC_VERSION_AT_LEAST(3,3) |
| #define prefetch(p) __builtin_prefetch((p), 0, 1) |
| #define prefetch_en(p) __builtin_prefetch((p), 0, 0) |
| #define prefetch_m(p) __builtin_prefetch((p), 1, 1) |
| #define prefetch_men(p) __builtin_prefetch((p), 1, 0) |
| #define cmpbge __builtin_alpha_cmpbge |
| /* Avoid warnings. */ |
| #define extql(a, b) __builtin_alpha_extql(a, (uint64_t) (b)) |
| #define extwl(a, b) __builtin_alpha_extwl(a, (uint64_t) (b)) |
| #define extqh(a, b) __builtin_alpha_extqh(a, (uint64_t) (b)) |
| #define zap __builtin_alpha_zap |
| #define zapnot __builtin_alpha_zapnot |
| #define amask __builtin_alpha_amask |
| #define implver __builtin_alpha_implver |
| #define rpcc __builtin_alpha_rpcc |
| #else |
| #define prefetch(p) __asm__ volatile("ldl $31,%0" : : "m"(*(const char *) (p)) : "memory") |
| #define prefetch_en(p) __asm__ volatile("ldq $31,%0" : : "m"(*(const char *) (p)) : "memory") |
| #define prefetch_m(p) __asm__ volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory") |
| #define prefetch_men(p) __asm__ volatile("ldt $f31,%0" : : "m"(*(const char *) (p)) : "memory") |
| #define cmpbge(a, b) ({ uint64_t __r; __asm__ ("cmpbge %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) |
| #define extql(a, b) ({ uint64_t __r; __asm__ ("extql %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) |
| #define extwl(a, b) ({ uint64_t __r; __asm__ ("extwl %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) |
| #define extqh(a, b) ({ uint64_t __r; __asm__ ("extqh %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) |
| #define zap(a, b) ({ uint64_t __r; __asm__ ("zap %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) |
| #define zapnot(a, b) ({ uint64_t __r; __asm__ ("zapnot %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; }) |
| #define amask(a) ({ uint64_t __r; __asm__ ("amask %1,%0" : "=r" (__r) : "rI" (a)); __r; }) |
| #define implver() ({ uint64_t __r; __asm__ ("implver %0" : "=r" (__r)); __r; }) |
| #define rpcc() ({ uint64_t __r; __asm__ volatile ("rpcc %0" : "=r" (__r)); __r; }) |
| #endif |
| #define wh64(p) __asm__ volatile("wh64 (%0)" : : "r"(p) : "memory") |
| |
| #if AV_GCC_VERSION_AT_LEAST(3,3) && defined(__alpha_max__) |
| #define minub8 __builtin_alpha_minub8 |
| #define minsb8 __builtin_alpha_minsb8 |
| #define minuw4 __builtin_alpha_minuw4 |
| #define minsw4 __builtin_alpha_minsw4 |
| #define maxub8 __builtin_alpha_maxub8 |
| #define maxsb8 __builtin_alpha_maxsb8 |
| #define maxuw4 __builtin_alpha_maxuw4 |
| #define maxsw4 __builtin_alpha_maxsw4 |
| #define perr __builtin_alpha_perr |
| #define pklb __builtin_alpha_pklb |
| #define pkwb __builtin_alpha_pkwb |
| #define unpkbl __builtin_alpha_unpkbl |
| #define unpkbw __builtin_alpha_unpkbw |
| #else |
| #define minub8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define minsb8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define minuw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define minsw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; minsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define maxub8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define maxsb8(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define maxuw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define maxsw4(a, b) ({ uint64_t __r; __asm__ (".arch ev6; maxsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; }) |
| #define perr(a, b) ({ uint64_t __r; __asm__ (".arch ev6; perr %r1,%r2,%0" : "=r" (__r) : "%rJ" (a), "rJ" (b)); __r; }) |
| #define pklb(a) ({ uint64_t __r; __asm__ (".arch ev6; pklb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) |
| #define pkwb(a) ({ uint64_t __r; __asm__ (".arch ev6; pkwb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) |
| #define unpkbl(a) ({ uint64_t __r; __asm__ (".arch ev6; unpkbl %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) |
| #define unpkbw(a) ({ uint64_t __r; __asm__ (".arch ev6; unpkbw %r1,%0" : "=r" (__r) : "rJ" (a)); __r; }) |
| #endif |
| |
| #elif defined(__DECC) /* Digital/Compaq/hp "ccc" compiler */ |
| |
| #include <c_asm.h> |
| #define ldq(p) (*(const uint64_t *) (p)) |
| #define ldl(p) (*(const int32_t *) (p)) |
| #define stq(l, p) do { *(uint64_t *) (p) = (l); } while (0) |
| #define stl(l, p) do { *(int32_t *) (p) = (l); } while (0) |
| #define ldq_u(a) asm ("ldq_u %v0,0(%a0)", a) |
| #define uldq(a) (*(const __unaligned uint64_t *) (a)) |
| #define cmpbge(a, b) asm ("cmpbge %a0,%a1,%v0", a, b) |
| #define extql(a, b) asm ("extql %a0,%a1,%v0", a, b) |
| #define extwl(a, b) asm ("extwl %a0,%a1,%v0", a, b) |
| #define extqh(a, b) asm ("extqh %a0,%a1,%v0", a, b) |
| #define zap(a, b) asm ("zap %a0,%a1,%v0", a, b) |
| #define zapnot(a, b) asm ("zapnot %a0,%a1,%v0", a, b) |
| #define amask(a) asm ("amask %a0,%v0", a) |
| #define implver() asm ("implver %v0") |
| #define rpcc() asm ("rpcc %v0") |
| #define minub8(a, b) asm ("minub8 %a0,%a1,%v0", a, b) |
| #define minsb8(a, b) asm ("minsb8 %a0,%a1,%v0", a, b) |
| #define minuw4(a, b) asm ("minuw4 %a0,%a1,%v0", a, b) |
| #define minsw4(a, b) asm ("minsw4 %a0,%a1,%v0", a, b) |
| #define maxub8(a, b) asm ("maxub8 %a0,%a1,%v0", a, b) |
| #define maxsb8(a, b) asm ("maxsb8 %a0,%a1,%v0", a, b) |
| #define maxuw4(a, b) asm ("maxuw4 %a0,%a1,%v0", a, b) |
| #define maxsw4(a, b) asm ("maxsw4 %a0,%a1,%v0", a, b) |
| #define perr(a, b) asm ("perr %a0,%a1,%v0", a, b) |
| #define pklb(a) asm ("pklb %a0,%v0", a) |
| #define pkwb(a) asm ("pkwb %a0,%v0", a) |
| #define unpkbl(a) asm ("unpkbl %a0,%v0", a) |
| #define unpkbw(a) asm ("unpkbw %a0,%v0", a) |
| #define wh64(a) asm ("wh64 %a0", a) |
| |
| #else |
| #error "Unknown compiler!" |
| #endif |
| |
| #endif /* AVCODEC_ALPHA_ASM_H */ |
