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Diffstat (limited to 'libmpeg2/cpu_state.c')
| -rw-r--r-- | libmpeg2/cpu_state.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/libmpeg2/cpu_state.c b/libmpeg2/cpu_state.c deleted file mode 100644 index d82b6738a7..0000000000 --- a/libmpeg2/cpu_state.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * 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 -} |