2
* Alpha optimized DSP utils
3
* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
5
* This library is free software; you can redistribute it and/or
6
* modify it under the terms of the GNU Lesser General Public
7
* License as published by the Free Software Foundation; either
8
* version 2 of the License, or (at your option) any later version.
10
* This library is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
* Lesser General Public License for more details.
15
* You should have received a copy of the GNU Lesser General Public
16
* License along with this library; if not, write to the Free Software
17
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
#ifndef LIBAVCODEC_ALPHA_ASM_H
21
#define LIBAVCODEC_ALPHA_ASM_H
26
# define GNUC_PREREQ(maj, min) \
27
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
29
# define GNUC_PREREQ(maj, min) 0
33
# define likely(x) __builtin_expect((x) != 0, 1)
34
# define unlikely(x) __builtin_expect((x) != 0, 0)
36
# define likely(x) (x)
37
# define unlikely(x) (x)
40
#define AMASK_BWX (1 << 0)
41
#define AMASK_FIX (1 << 1)
42
#define AMASK_CIX (1 << 2)
43
#define AMASK_MVI (1 << 8)
45
static inline uint64_t BYTE_VEC(uint64_t x)
52
static inline uint64_t WORD_VEC(uint64_t x)
59
#define ldq(p) (*(const uint64_t *) (p))
60
#define ldl(p) (*(const int32_t *) (p))
61
#define stl(l, p) do { *(uint32_t *) (p) = (l); } while (0)
62
#define stq(l, p) do { *(uint64_t *) (p) = (l); } while (0)
63
#define sextw(x) ((int16_t) (x))
66
struct unaligned_long { uint64_t l; } __attribute__((packed));
67
#define ldq_u(p) (*(const uint64_t *) (((uint64_t) (p)) & ~7ul))
68
#define uldq(a) (((const struct unaligned_long *) (a))->l)
71
#define prefetch(p) __builtin_prefetch((p), 0, 1)
72
#define prefetch_en(p) __builtin_prefetch((p), 0, 0)
73
#define prefetch_m(p) __builtin_prefetch((p), 1, 1)
74
#define prefetch_men(p) __builtin_prefetch((p), 1, 0)
75
#define cmpbge __builtin_alpha_cmpbge
77
#define extql(a, b) __builtin_alpha_extql(a, (uint64_t) (b))
78
#define extwl(a, b) __builtin_alpha_extwl(a, (uint64_t) (b))
79
#define extqh(a, b) __builtin_alpha_extqh(a, (uint64_t) (b))
80
#define zap __builtin_alpha_zap
81
#define zapnot __builtin_alpha_zapnot
82
#define amask __builtin_alpha_amask
83
#define implver __builtin_alpha_implver
84
#define rpcc __builtin_alpha_rpcc
86
#define prefetch(p) asm volatile("ldl $31,%0" : : "m"(*(const char *) (p)) : "memory")
87
#define prefetch_en(p) asm volatile("ldq $31,%0" : : "m"(*(const char *) (p)) : "memory")
88
#define prefetch_m(p) asm volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory")
89
#define prefetch_men(p) asm volatile("ldt $f31,%0" : : "m"(*(const char *) (p)) : "memory")
90
#define cmpbge(a, b) ({ uint64_t __r; asm ("cmpbge %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
91
#define extql(a, b) ({ uint64_t __r; asm ("extql %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
92
#define extwl(a, b) ({ uint64_t __r; asm ("extwl %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
93
#define extqh(a, b) ({ uint64_t __r; asm ("extqh %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
94
#define zap(a, b) ({ uint64_t __r; asm ("zap %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
95
#define zapnot(a, b) ({ uint64_t __r; asm ("zapnot %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
96
#define amask(a) ({ uint64_t __r; asm ("amask %1,%0" : "=r" (__r) : "rI" (a)); __r; })
97
#define implver() ({ uint64_t __r; asm ("implver %0" : "=r" (__r)); __r; })
98
#define rpcc() ({ uint64_t __r; asm volatile ("rpcc %0" : "=r" (__r)); __r; })
100
#define wh64(p) asm volatile("wh64 (%0)" : : "r"(p) : "memory")
102
#if GNUC_PREREQ(3,3) && defined(__alpha_max__)
103
#define minub8 __builtin_alpha_minub8
104
#define minsb8 __builtin_alpha_minsb8
105
#define minuw4 __builtin_alpha_minuw4
106
#define minsw4 __builtin_alpha_minsw4
107
#define maxub8 __builtin_alpha_maxub8
108
#define maxsb8 __builtin_alpha_maxsb8
109
#define maxuw4 __builtin_alpha_maxuw4
110
#define maxsw4 __builtin_alpha_maxsw4
111
#define perr __builtin_alpha_perr
112
#define pklb __builtin_alpha_pklb
113
#define pkwb __builtin_alpha_pkwb
114
#define unpkbl __builtin_alpha_unpkbl
115
#define unpkbw __builtin_alpha_unpkbw
117
#define minub8(a, b) ({ uint64_t __r; asm (".arch ev6; minub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
118
#define minsb8(a, b) ({ uint64_t __r; asm (".arch ev6; minsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
119
#define minuw4(a, b) ({ uint64_t __r; asm (".arch ev6; minuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
120
#define minsw4(a, b) ({ uint64_t __r; asm (".arch ev6; minsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
121
#define maxub8(a, b) ({ uint64_t __r; asm (".arch ev6; maxub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
122
#define maxsb8(a, b) ({ uint64_t __r; asm (".arch ev6; maxsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
123
#define maxuw4(a, b) ({ uint64_t __r; asm (".arch ev6; maxuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
124
#define maxsw4(a, b) ({ uint64_t __r; asm (".arch ev6; maxsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
125
#define perr(a, b) ({ uint64_t __r; asm (".arch ev6; perr %r1,%r2,%0" : "=r" (__r) : "%rJ" (a), "rJ" (b)); __r; })
126
#define pklb(a) ({ uint64_t __r; asm (".arch ev6; pklb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
127
#define pkwb(a) ({ uint64_t __r; asm (".arch ev6; pkwb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
128
#define unpkbl(a) ({ uint64_t __r; asm (".arch ev6; unpkbl %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
129
#define unpkbw(a) ({ uint64_t __r; asm (".arch ev6; unpkbw %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
132
#elif defined(__DECC) /* Digital/Compaq/hp "ccc" compiler */
135
#define ldq_u(a) asm ("ldq_u %v0,0(%a0)", a)
136
#define uldq(a) (*(const __unaligned uint64_t *) (a))
137
#define cmpbge(a, b) asm ("cmpbge %a0,%a1,%v0", a, b)
138
#define extql(a, b) asm ("extql %a0,%a1,%v0", a, b)
139
#define extwl(a, b) asm ("extwl %a0,%a1,%v0", a, b)
140
#define extqh(a, b) asm ("extqh %a0,%a1,%v0", a, b)
141
#define zap(a, b) asm ("zap %a0,%a1,%v0", a, b)
142
#define zapnot(a, b) asm ("zapnot %a0,%a1,%v0", a, b)
143
#define amask(a) asm ("amask %a0,%v0", a)
144
#define implver() asm ("implver %v0")
145
#define rpcc() asm ("rpcc %v0")
146
#define minub8(a, b) asm ("minub8 %a0,%a1,%v0", a, b)
147
#define minsb8(a, b) asm ("minsb8 %a0,%a1,%v0", a, b)
148
#define minuw4(a, b) asm ("minuw4 %a0,%a1,%v0", a, b)
149
#define minsw4(a, b) asm ("minsw4 %a0,%a1,%v0", a, b)
150
#define maxub8(a, b) asm ("maxub8 %a0,%a1,%v0", a, b)
151
#define maxsb8(a, b) asm ("maxsb8 %a0,%a1,%v0", a, b)
152
#define maxuw4(a, b) asm ("maxuw4 %a0,%a1,%v0", a, b)
153
#define maxsw4(a, b) asm ("maxsw4 %a0,%a1,%v0", a, b)
154
#define perr(a, b) asm ("perr %a0,%a1,%v0", a, b)
155
#define pklb(a) asm ("pklb %a0,%v0", a)
156
#define pkwb(a) asm ("pkwb %a0,%v0", a)
157
#define unpkbl(a) asm ("unpkbl %a0,%v0", a)
158
#define unpkbw(a) asm ("unpkbw %a0,%v0", a)
159
#define wh64(a) asm ("wh64 %a0", a)
162
#error "Unknown compiler!"
165
#endif /* LIBAVCODEC_ALPHA_ASM_H */