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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29306 b3059339-0415-0410-9bf9-f77b7e298cf2
182 lines
7.8 KiB
C
182 lines
7.8 KiB
C
/*
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* Alpha assembly macros
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* Copyright (c) 2002-2003 Falk Hueffner <falk@debian.org>
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*
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* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
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* See http://libmpeg2.sourceforge.net/ for updates.
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*
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* mpeg2dec is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpeg2dec is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef LIBMPEG2_ALPHA_ASM_H
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#define LIBMPEG2_ALPHA_ASM_H
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#include <inttypes.h>
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#if defined __GNUC__
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# define GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#else
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# define GNUC_PREREQ(maj, min) 0
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#endif
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#define AMASK_BWX (1 << 0)
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#define AMASK_FIX (1 << 1)
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#define AMASK_CIX (1 << 2)
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#define AMASK_MVI (1 << 8)
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#ifdef __alpha_bwx__
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# define HAVE_BWX() 1
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#else
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# define HAVE_BWX() (amask(AMASK_BWX) == 0)
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#endif
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#ifdef __alpha_fix__
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# define HAVE_FIX() 1
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#else
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# define HAVE_FIX() (amask(AMASK_FIX) == 0)
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#endif
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#ifdef __alpha_max__
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# define HAVE_MVI() 1
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#else
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# define HAVE_MVI() (amask(AMASK_MVI) == 0)
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#endif
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#ifdef __alpha_cix__
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# define HAVE_CIX() 1
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#else
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# define HAVE_CIX() (amask(AMASK_CIX) == 0)
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#endif
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inline static uint64_t BYTE_VEC(uint64_t x)
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{
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x |= x << 8;
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x |= x << 16;
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x |= x << 32;
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return x;
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}
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inline static uint64_t WORD_VEC(uint64_t x)
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{
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x |= x << 16;
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x |= x << 32;
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return x;
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}
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#define ldq(p) (*(const uint64_t *) (p))
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#define ldl(p) (*(const int32_t *) (p))
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#define stl(l, p) do { *(uint32_t *) (p) = (l); } while (0)
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#define stq(l, p) do { *(uint64_t *) (p) = (l); } while (0)
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#define sextw(x) ((int16_t) (x))
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#ifdef __GNUC__
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struct unaligned_long { uint64_t l; } __attribute__((packed));
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#define ldq_u(p) (*(const uint64_t *) (((uint64_t) (p)) & ~7ul))
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#define uldq(a) (((const struct unaligned_long *) (a))->l)
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#if GNUC_PREREQ(3,3)
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#define prefetch(p) __builtin_prefetch((p), 0, 1)
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#define prefetch_en(p) __builtin_prefetch((p), 0, 0)
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#define prefetch_m(p) __builtin_prefetch((p), 1, 1)
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#define prefetch_men(p) __builtin_prefetch((p), 1, 0)
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#define cmpbge __builtin_alpha_cmpbge
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/* Avoid warnings. */
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#define extql(a, b) __builtin_alpha_extql(a, (uint64_t) (b))
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#define extwl(a, b) __builtin_alpha_extwl(a, (uint64_t) (b))
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#define extqh(a, b) __builtin_alpha_extqh(a, (uint64_t) (b))
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#define zap __builtin_alpha_zap
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#define zapnot __builtin_alpha_zapnot
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#define amask __builtin_alpha_amask
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#define implver __builtin_alpha_implver
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#define rpcc __builtin_alpha_rpcc
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#else
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#define prefetch(p) asm volatile("ldl $31,%0" : : "m"(*(const char *) (p)) : "memory")
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#define prefetch_en(p) asm volatile("ldq $31,%0" : : "m"(*(const char *) (p)) : "memory")
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#define prefetch_m(p) asm volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory")
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#define prefetch_men(p) asm volatile("ldt $f31,%0" : : "m"(*(const char *) (p)) : "memory")
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#define cmpbge(a, b) ({ uint64_t __r; asm ("cmpbge %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
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#define extql(a, b) ({ uint64_t __r; asm ("extql %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
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#define extwl(a, b) ({ uint64_t __r; asm ("extwl %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
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#define extqh(a, b) ({ uint64_t __r; asm ("extqh %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
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#define zap(a, b) ({ uint64_t __r; asm ("zap %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
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#define zapnot(a, b) ({ uint64_t __r; asm ("zapnot %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
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#define amask(a) ({ uint64_t __r; asm ("amask %1,%0" : "=r" (__r) : "rI" (a)); __r; })
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#define implver() ({ uint64_t __r; asm ("implver %0" : "=r" (__r)); __r; })
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#define rpcc() ({ uint64_t __r; asm volatile ("rpcc %0" : "=r" (__r)); __r; })
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#endif
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#define wh64(p) asm volatile("wh64 (%0)" : : "r"(p) : "memory")
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#if GNUC_PREREQ(3,3) && defined(__alpha_max__)
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#define minub8 __builtin_alpha_minub8
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#define minsb8 __builtin_alpha_minsb8
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#define minuw4 __builtin_alpha_minuw4
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#define minsw4 __builtin_alpha_minsw4
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#define maxub8 __builtin_alpha_maxub8
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#define maxsb8 __builtin_alpha_maxsb8
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#define maxuw4 __builtin_alpha_maxuw4
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#define maxsw4 __builtin_alpha_maxsw4
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#define perr __builtin_alpha_perr
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#define pklb __builtin_alpha_pklb
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#define pkwb __builtin_alpha_pkwb
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#define unpkbl __builtin_alpha_unpkbl
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#define unpkbw __builtin_alpha_unpkbw
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#else
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#define minub8(a, b) ({ uint64_t __r; asm (".arch ev6; minub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define minsb8(a, b) ({ uint64_t __r; asm (".arch ev6; minsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define minuw4(a, b) ({ uint64_t __r; asm (".arch ev6; minuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define minsw4(a, b) ({ uint64_t __r; asm (".arch ev6; minsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define maxub8(a, b) ({ uint64_t __r; asm (".arch ev6; maxub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define maxsb8(a, b) ({ uint64_t __r; asm (".arch ev6; maxsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define maxuw4(a, b) ({ uint64_t __r; asm (".arch ev6; maxuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define maxsw4(a, b) ({ uint64_t __r; asm (".arch ev6; maxsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
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#define perr(a, b) ({ uint64_t __r; asm (".arch ev6; perr %r1,%r2,%0" : "=r" (__r) : "%rJ" (a), "rJ" (b)); __r; })
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#define pklb(a) ({ uint64_t __r; asm (".arch ev6; pklb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
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#define pkwb(a) ({ uint64_t __r; asm (".arch ev6; pkwb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
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#define unpkbl(a) ({ uint64_t __r; asm (".arch ev6; unpkbl %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
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#define unpkbw(a) ({ uint64_t __r; asm (".arch ev6; unpkbw %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
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#endif
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#elif defined(__DECC) /* Digital/Compaq/hp "ccc" compiler */
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#include <c_asm.h>
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#define ldq_u(a) asm ("ldq_u %v0,0(%a0)", a)
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#define uldq(a) (*(const __unaligned uint64_t *) (a))
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#define cmpbge(a, b) asm ("cmpbge %a0,%a1,%v0", a, b)
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#define extql(a, b) asm ("extql %a0,%a1,%v0", a, b)
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#define extwl(a, b) asm ("extwl %a0,%a1,%v0", a, b)
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#define extqh(a, b) asm ("extqh %a0,%a1,%v0", a, b)
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#define zap(a, b) asm ("zap %a0,%a1,%v0", a, b)
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#define zapnot(a, b) asm ("zapnot %a0,%a1,%v0", a, b)
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#define amask(a) asm ("amask %a0,%v0", a)
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#define implver() asm ("implver %v0")
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#define rpcc() asm ("rpcc %v0")
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#define minub8(a, b) asm ("minub8 %a0,%a1,%v0", a, b)
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#define minsb8(a, b) asm ("minsb8 %a0,%a1,%v0", a, b)
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#define minuw4(a, b) asm ("minuw4 %a0,%a1,%v0", a, b)
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#define minsw4(a, b) asm ("minsw4 %a0,%a1,%v0", a, b)
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#define maxub8(a, b) asm ("maxub8 %a0,%a1,%v0", a, b)
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#define maxsb8(a, b) asm ("maxsb8 %a0,%a1,%v0", a, b)
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#define maxuw4(a, b) asm ("maxuw4 %a0,%a1,%v0", a, b)
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#define maxsw4(a, b) asm ("maxsw4 %a0,%a1,%v0", a, b)
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#define perr(a, b) asm ("perr %a0,%a1,%v0", a, b)
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#define pklb(a) asm ("pklb %a0,%v0", a)
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#define pkwb(a) asm ("pkwb %a0,%v0", a)
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#define unpkbl(a) asm ("unpkbl %a0,%v0", a)
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#define unpkbw(a) asm ("unpkbw %a0,%v0", a)
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#define wh64(a) asm ("wh64 %a0", a)
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#else
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#error "Unknown compiler!"
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#endif
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#endif /* LIBMPEG2_ALPHA_ASM_H */
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