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mirror of https://github.com/mpv-player/mpv synced 2024-12-16 20:05:07 +00:00
mpv/libmpeg2/cpu_state.c
reimar 93d598c7b2 Lots and lots of #ifdef ARCH_... -> #if ARCH_...
and #ifdef HAVE_MMX etc -> #if HAVE_MMX.
There might be still more that need to be fixed.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28325 b3059339-0415-0410-9bf9-f77b7e298cf2
2009-01-16 09:21:21 +00:00

130 lines
3.1 KiB
C

/*
* cpu_state.c
* Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdlib.h>
#include <inttypes.h>
#include "mpeg2.h"
#include "attributes.h"
#include "mpeg2_internal.h"
#if ARCH_X86 || ARCH_X86_64
#include "mmx.h"
#endif
void (* mpeg2_cpu_state_save) (cpu_state_t * state) = NULL;
void (* mpeg2_cpu_state_restore) (cpu_state_t * state) = NULL;
#if ARCH_X86 || ARCH_X86_64
static void state_restore_mmx (cpu_state_t * state)
{
emms ();
}
#endif
#if ARCH_PPC
#if defined(__APPLE_CC__) /* apple */
#define LI(a,b) "li r" #a "," #b "\n\t"
#define STVX0(a,b,c) "stvx v" #a ",0,r" #c "\n\t"
#define STVX(a,b,c) "stvx v" #a ",r" #b ",r" #c "\n\t"
#define LVX0(a,b,c) "lvx v" #a ",0,r" #c "\n\t"
#define LVX(a,b,c) "lvx v" #a ",r" #b ",r" #c "\n\t"
#else /* gnu */
#define LI(a,b) "li " #a "," #b "\n\t"
#define STVX0(a,b,c) "stvx " #a ",0," #c "\n\t"
#define STVX(a,b,c) "stvx " #a "," #b "," #c "\n\t"
#define LVX0(a,b,c) "lvx " #a ",0," #c "\n\t"
#define LVX(a,b,c) "lvx " #a "," #b "," #c "\n\t"
#endif
static void state_save_altivec (cpu_state_t * state)
{
asm (LI (9, 16)
STVX0 (20, 0, 3)
LI (11, 32)
STVX (21, 9, 3)
LI (9, 48)
STVX (22, 11, 3)
LI (11, 64)
STVX (23, 9, 3)
LI (9, 80)
STVX (24, 11, 3)
LI (11, 96)
STVX (25, 9, 3)
LI (9, 112)
STVX (26, 11, 3)
LI (11, 128)
STVX (27, 9, 3)
LI (9, 144)
STVX (28, 11, 3)
LI (11, 160)
STVX (29, 9, 3)
LI (9, 176)
STVX (30, 11, 3)
STVX (31, 9, 3));
}
static void state_restore_altivec (cpu_state_t * state)
{
asm (LI (9, 16)
LVX0 (20, 0, 3)
LI (11, 32)
LVX (21, 9, 3)
LI (9, 48)
LVX (22, 11, 3)
LI (11, 64)
LVX (23, 9, 3)
LI (9, 80)
LVX (24, 11, 3)
LI (11, 96)
LVX (25, 9, 3)
LI (9, 112)
LVX (26, 11, 3)
LI (11, 128)
LVX (27, 9, 3)
LI (9, 144)
LVX (28, 11, 3)
LI (11, 160)
LVX (29, 9, 3)
LI (9, 176)
LVX (30, 11, 3)
LVX (31, 9, 3));
}
#endif
void mpeg2_cpu_state_init (uint32_t accel)
{
#if ARCH_X86 || ARCH_X86_64
if (accel & MPEG2_ACCEL_X86_MMX) {
mpeg2_cpu_state_restore = state_restore_mmx;
}
#endif
#if ARCH_PPC
if (accel & MPEG2_ACCEL_PPC_ALTIVEC) {
mpeg2_cpu_state_save = state_save_altivec;
mpeg2_cpu_state_restore = state_restore_altivec;
}
#endif
}