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Diffstat (limited to 'src/libmpeg2new/libmpeg2/cpu_accel.c')
-rw-r--r--src/libmpeg2new/libmpeg2/cpu_accel.c258
1 files changed, 0 insertions, 258 deletions
diff --git a/src/libmpeg2new/libmpeg2/cpu_accel.c b/src/libmpeg2new/libmpeg2/cpu_accel.c
deleted file mode 100644
index 7846f1e88..000000000
--- a/src/libmpeg2new/libmpeg2/cpu_accel.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * cpu_accel.c
- * Copyright (C) 2000-2004 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 <inttypes.h>
-
-#include "../include/mpeg2.h"
-#include "../include/attributes.h"
-#include "mpeg2_internal.h"
-
-#ifdef ARCH_X86
-static inline uint32_t arch_accel (uint32_t accel)
-{
- if (accel & (MPEG2_ACCEL_X86_3DNOW | MPEG2_ACCEL_X86_MMXEXT))
- accel |= MPEG2_ACCEL_X86_MMX;
-
- if (accel & (MPEG2_ACCEL_X86_SSE2 | MPEG2_ACCEL_X86_SSE3))
- accel |= MPEG2_ACCEL_X86_MMXEXT;
-
- if (accel & (MPEG2_ACCEL_X86_SSE3))
- accel |= MPEG2_ACCEL_X86_SSE2;
-
-#ifdef ACCEL_DETECT
- if (accel & MPEG2_ACCEL_DETECT) {
- uint32_t eax, ebx, ecx, edx;
- int AMD;
-
-#if !defined(PIC) && !defined(__PIC__)
-#define cpuid(op,eax,ebx,ecx,edx) \
- __asm__ ("cpuid" \
- : "=a" (eax), \
- "=b" (ebx), \
- "=c" (ecx), \
- "=d" (edx) \
- : "a" (op) \
- : "cc")
-#else /* PIC version : save ebx */
-#define cpuid(op,eax,ebx,ecx,edx) \
- __asm__ ("push %%ebx\n\t" \
- "cpuid\n\t" \
- "movl %%ebx,%1\n\t" \
- "pop %%ebx" \
- : "=a" (eax), \
- "=r" (ebx), \
- "=c" (ecx), \
- "=d" (edx) \
- : "a" (op) \
- : "cc")
-#endif
-
- __asm__ ("pushf\n\t"
- "pushf\n\t"
- "pop %0\n\t"
- "movl %0,%1\n\t"
- "xorl $0x200000,%0\n\t"
- "push %0\n\t"
- "popf\n\t"
- "pushf\n\t"
- "pop %0\n\t"
- "popf"
- : "=r" (eax),
- "=r" (ebx)
- :
- : "cc");
-
- if (eax == ebx) /* no cpuid */
- return accel;
-
- cpuid (0x00000000, eax, ebx, ecx, edx);
- if (!eax) /* vendor string only */
- return accel;
-
- AMD = (ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65);
-
- cpuid (0x00000001, eax, ebx, ecx, edx);
- if (! (edx & 0x00800000)) /* no MMX */
- return accel;
-
- accel |= MPEG2_ACCEL_X86_MMX;
- if (edx & 0x02000000) /* SSE - identical to AMD MMX extensions */
- accel |= MPEG2_ACCEL_X86_MMXEXT;
-
- if (edx & 0x04000000) /* SSE2 */
- accel |= MPEG2_ACCEL_X86_SSE2;
-
- if (ecx & 0x00000001) /* SSE3 */
- accel |= MPEG2_ACCEL_X86_SSE3;
-
- cpuid (0x80000000, eax, ebx, ecx, edx);
- if (eax < 0x80000001) /* no extended capabilities */
- return accel;
-
- cpuid (0x80000001, eax, ebx, ecx, edx);
-
- if (edx & 0x80000000)
- accel |= MPEG2_ACCEL_X86_3DNOW;
-
- if (AMD && (edx & 0x00400000)) /* AMD MMX extensions */
- accel |= MPEG2_ACCEL_X86_MMXEXT;
- }
-#endif /* ACCEL_DETECT */
-
- return accel;
-}
-#endif /* ARCH_X86 */
-
-#if defined(ACCEL_DETECT) && (defined(ARCH_PPC) || defined(ARCH_SPARC))
-#include <signal.h>
-#include <setjmp.h>
-
-static sigjmp_buf jmpbuf;
-static volatile sig_atomic_t canjump = 0;
-
-static RETSIGTYPE sigill_handler (int sig)
-{
- if (!canjump) {
- signal (sig, SIG_DFL);
- raise (sig);
- }
-
- canjump = 0;
- siglongjmp (jmpbuf, 1);
-}
-#endif /* ACCEL_DETECT && (ARCH_PPC || ARCH_SPARC) */
-
-#ifdef ARCH_PPC
-static inline uint32_t arch_accel (uint32_t accel)
-{
-#ifdef ACCEL_DETECT
- if (accel & (MPEG2_ACCEL_PPC_ALTIVEC | MPEG2_ACCEL_DETECT) ==
- MPEG2_ACCEL_DETECT) {
- static RETSIGTYPE (* oldsig) (int);
-
- oldsig = signal (SIGILL, sigill_handler);
- if (sigsetjmp (jmpbuf, 1)) {
- signal (SIGILL, oldsig);
- return accel;
- }
-
- canjump = 1;
-
-#ifdef HAVE_ALTIVEC_H /* gnu */
-#define VAND(a,b,c) "vand " #a "," #b "," #c "\n\t"
-#else /* apple */
-#define VAND(a,b,c) "vand v" #a ",v" #b ",v" #c "\n\t"
-#endif
- asm volatile ("mtspr 256, %0\n\t"
- VAND (0, 0, 0)
- :
- : "r" (-1));
-
- canjump = 0;
- accel |= MPEG2_ACCEL_PPC_ALTIVEC;
-
- signal (SIGILL, oldsig);
- }
-#endif /* ACCEL_DETECT */
-
- return accel;
-}
-#endif /* ARCH_PPC */
-
-#ifdef ARCH_SPARC
-static inline uint32_t arch_accel (uint32_t accel)
-{
- if (accel & MPEG2_ACCEL_SPARC_VIS2)
- accel |= MPEG2_ACCEL_SPARC_VIS;
-
-#ifdef ACCEL_DETECT
- if (accel & (MPEG2_ACCEL_SPARC_VIS2 | MPEG2_ACCEL_DETECT) ==
- MPEG2_ACCEL_DETECT) {
- static RETSIGTYPE (* oldsig) (int);
-
- oldsig = signal (SIGILL, sigill_handler);
- if (sigsetjmp (jmpbuf, 1)) {
- signal (SIGILL, oldsig);
- return accel;
- }
-
- canjump = 1;
-
- /* pdist %f0, %f0, %f0 */
- __asm__ __volatile__(".word\t0x81b007c0");
-
- canjump = 0;
- accel |= MPEG2_ACCEL_SPARC_VIS;
-
- if (sigsetjmp (jmpbuf, 1)) {
- signal (SIGILL, oldsig);
- return accel;
- }
-
- canjump = 1;
-
- /* edge8n %g0, %g0, %g0 */
- __asm__ __volatile__(".word\t0x81b00020");
-
- canjump = 0;
- accel |= MPEG2_ACCEL_SPARC_VIS2;
-
- signal (SIGILL, oldsig);
- }
-#endif /* ACCEL_DETECT */
-
- return accel;
-}
-#endif /* ARCH_SPARC */
-
-#ifdef ARCH_ALPHA
-static inline uint32_t arch_accel (uint32_t accel)
-{
- if (accel & MPEG2_ACCEL_ALPHA_MVI)
- accel |= MPEG2_ACCEL_ALPHA;
-
-#ifdef ACCEL_DETECT
- if (accel & MPEG2_ACCEL_DETECT) {
- uint64_t no_mvi;
-
- asm volatile ("amask %1, %0"
- : "=r" (no_mvi)
- : "rI" (256)); /* AMASK_MVI */
- accel |= no_mvi ? MPEG2_ACCEL_ALPHA : (MPEG2_ACCEL_ALPHA |
- MPEG2_ACCEL_ALPHA_MVI);
- }
-#endif /* ACCEL_DETECT */
-
- return accel;
-}
-#endif /* ARCH_ALPHA */
-
-uint32_t mpeg2_detect_accel (uint32_t accel)
-{
-#if defined (ARCH_X86) || defined (ARCH_PPC) || defined (ARCH_ALPHA) || defined (ARCH_SPARC)
- accel = arch_accel (accel);
-#endif
- return accel;
-}
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