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Diffstat (limited to 'src/libmpeg2/cpu_state.c')
| -rw-r--r-- | src/libmpeg2/cpu_state.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/src/libmpeg2/cpu_state.c b/src/libmpeg2/cpu_state.c deleted file mode 100644 index 07b4c5b7e..000000000 --- a/src/libmpeg2/cpu_state.c +++ /dev/null @@ -1,183 +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_internal.h" -#include "xineutils.h" - -void (* mpeg2_cpu_state_save) (cpu_state_t * state) = NULL; -void (* mpeg2_cpu_state_restore) (cpu_state_t * state) = NULL; - -#if defined(ARCH_X86) || defined(ARCH_X86_64) -static void state_restore_mmx (cpu_state_t * state) -{ - emms (); -} -#endif - -#if defined (ARCH_PPC) && defined (ENABLE_ALTIVEC) - -#ifndef HOST_OS_DARWIN - -static void state_save_altivec (cpu_state_t * state) -{ - asm (" \n" - " li %r9, 16 \n" - " stvx %v20, 0, %r3 \n" - " li %r11, 32 \n" - " stvx %v21, %r9, %r3 \n" - " li %r9, 48 \n" - " stvx %v22, %r11, %r3 \n" - " li %r11, 64 \n" - " stvx %v23, %r9, %r3 \n" - " li %r9, 80 \n" - " stvx %v24, %r11, %r3 \n" - " li %r11, 96 \n" - " stvx %v25, %r9, %r3 \n" - " li %r9, 112 \n" - " stvx %v26, %r11, %r3 \n" - " li %r11, 128 \n" - " stvx %v27, %r9, %r3 \n" - " li %r9, 144 \n" - " stvx %v28, %r11, %r3 \n" - " li %r11, 160 \n" - " stvx %v29, %r9, %r3 \n" - " li %r9, 176 \n" - " stvx %v30, %r11, %r3 \n" - " stvx %v31, %r9, %r3 \n" - ); -} - -static void state_restore_altivec (cpu_state_t * state) -{ - asm (" \n" - " li %r9, 16 \n" - " lvx %v20, 0, %r3 \n" - " li %r11, 32 \n" - " lvx %v21, %r9, %r3 \n" - " li %r9, 48 \n" - " lvx %v22, %r11, %r3 \n" - " li %r11, 64 \n" - " lvx %v23, %r9, %r3 \n" - " li %r9, 80 \n" - " lvx %v24, %r11, %r3 \n" - " li %r11, 96 \n" - " lvx %v25, %r9, %r3 \n" - " li %r9, 112 \n" - " lvx %v26, %r11, %r3 \n" - " li %r11, 128 \n" - " lvx %v27, %r9, %r3 \n" - " li %r9, 144 \n" - " lvx %v28, %r11, %r3 \n" - " li %r11, 160 \n" - " lvx %v29, %r9, %r3 \n" - " li %r9, 176 \n" - " lvx %v30, %r11, %r3 \n" - " lvx %v31, %r9, %r3 \n" - ); -} - -#else /* HOST_OS_DARWIN */ - -#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" - -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 /* HOST_OS_DARWIN */ - -#endif /* defined (ARCH_PPC) && defined (ENABLE_ALTIVEC) */ - -void mpeg2_cpu_state_init (uint32_t mm_accel) -{ -#if defined(ARCH_X86) || defined(ARCH_X86_64) - if (mm_accel & MM_ACCEL_X86_MMX) { - mpeg2_cpu_state_restore = state_restore_mmx; - } -#endif -#if defined (ARCH_PPC) && defined (ENABLE_ALTIVEC) - if (mm_accel & MM_ACCEL_PPC_ALTIVEC) { - mpeg2_cpu_state_save = state_save_altivec; - mpeg2_cpu_state_restore = state_restore_altivec; - } -#endif -} - |