diff options
| author | henry <henry@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2004-08-02 11:26:43 +0000 |
|---|---|---|
| committer | henry <henry@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2004-08-02 11:26:43 +0000 |
| commit | 943139cc78038c3aea0837229298cb2c08e3f8a2 (patch) | |
| tree | 56b2a2dac2c09fe1016e3e146ec19cb2aae0777a /libmpeg2/cpu_accel.c | |
| parent | 4779094c4be9af5ec0c5145d8a460b75e4a510c8 (diff) | |
| download | mpv-943139cc78038c3aea0837229298cb2c08e3f8a2.tar.bz2 mpv-943139cc78038c3aea0837229298cb2c08e3f8a2.tar.xz | |
Importing libmpeg2 from mpeg2dec-0.4.0b
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12933 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpeg2/cpu_accel.c')
| -rw-r--r-- | libmpeg2/cpu_accel.c | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/libmpeg2/cpu_accel.c b/libmpeg2/cpu_accel.c index c2c91e5c0a..e87f5b20a9 100644 --- a/libmpeg2/cpu_accel.c +++ b/libmpeg2/cpu_accel.c @@ -26,6 +26,8 @@ #include <inttypes.h> #include "mpeg2.h" +#include "attributes.h" +#include "mpeg2_internal.h" #ifdef ACCEL_DETECT #ifdef ARCH_X86 @@ -35,7 +37,7 @@ static inline uint32_t arch_accel (void) int AMD; uint32_t caps; -#ifndef PIC +#if !defined(PIC) && !defined(__PIC__) #define cpuid(op,eax,ebx,ecx,edx) \ __asm__ ("cpuid" \ : "=a" (eax), \ @@ -106,7 +108,7 @@ static inline uint32_t arch_accel (void) } #endif /* ARCH_X86 */ -#ifdef ARCH_PPC +#if defined(ARCH_PPC) || defined(ARCH_SPARC) #include <signal.h> #include <setjmp.h> @@ -124,6 +126,7 @@ static RETSIGTYPE sigill_handler (int sig) siglongjmp (jmpbuf, 1); } +#ifdef ARCH_PPC static inline uint32_t arch_accel (void) { static RETSIGTYPE (* oldsig) (int); @@ -146,11 +149,49 @@ static inline uint32_t arch_accel (void) : : "r" (-1)); + canjump = 0; + signal (SIGILL, oldsig); return MPEG2_ACCEL_PPC_ALTIVEC; } #endif /* ARCH_PPC */ +#ifdef ARCH_SPARC +static inline uint32_t arch_accel (void) +{ + static RETSIGTYPE (* oldsig) (int); + + oldsig = signal (SIGILL, sigill_handler); + if (sigsetjmp (jmpbuf, 1)) { + signal (SIGILL, oldsig); + return 0; + } + + canjump = 1; + + /* pdist %f0, %f0, %f0 */ + __asm__ __volatile__(".word\t0x81b007c0"); + + canjump = 0; + + if (sigsetjmp (jmpbuf, 1)) { + signal (SIGILL, oldsig); + return MPEG2_ACCEL_SPARC_VIS; + } + + canjump = 1; + + /* edge8n %g0, %g0, %g0 */ + __asm__ __volatile__(".word\t0x81b00020"); + + canjump = 0; + + signal (SIGILL, oldsig); + return MPEG2_ACCEL_SPARC_VIS | MPEG2_ACCEL_SPARC_VIS2; +} +#endif /* ARCH_SPARC */ +#endif /* ARCH_PPC || ARCH_SPARC */ + #ifdef ARCH_ALPHA static inline uint32_t arch_accel (void) { @@ -167,7 +208,7 @@ static inline uint32_t arch_accel (void) #endif } #endif /* ARCH_ALPHA */ -#endif +#endif /* ACCEL_DETECT */ uint32_t mpeg2_detect_accel (void) { @@ -175,11 +216,8 @@ uint32_t mpeg2_detect_accel (void) accel = 0; #ifdef ACCEL_DETECT -#ifdef LIBMPEG2_MLIB - accel = MPEG2_ACCEL_MLIB; -#endif -#if defined (ARCH_X86) || defined (ARCH_PPC) || defined (ARCH_ALPHA) - accel |= arch_accel (); +#if defined (ARCH_X86) || defined (ARCH_PPC) || defined (ARCH_ALPHA) || defined (ARCH_SPARC) + accel = arch_accel (); #endif #endif return accel; |