187 lines
9.1 KiB
C
187 lines
9.1 KiB
C
/*
|
|
* 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 */
|