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add Amiga-style AltiVec detection, patch from andrea at amigasoft dot net

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17703 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
pacman 2006-02-28 23:24:38 +00:00
parent ffdf7260bb
commit e4ecd258d5
1 changed files with 14 additions and 0 deletions
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14
cpudetect.c
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@ -33,6 +33,10 @@ CpuCaps gCpuCaps;
#include <windows.h> #include <windows.h>
#endif #endif
#ifdef __AMIGAOS4__
#include <proto/exec.h>
#endif
//#define X86_FXSR_MAGIC //#define X86_FXSR_MAGIC
/* Thanks to the FreeBSD project for some of this cpuid code, and /* Thanks to the FreeBSD project for some of this cpuid code, and
* help understanding how to use it. Thanks to the Mesa * help understanding how to use it. Thanks to the Mesa
@ -468,6 +472,7 @@ static void check_os_katmai_support( void )
#ifdef SYS_DARWIN #ifdef SYS_DARWIN
#include <sys/sysctl.h> #include <sys/sysctl.h>
#else #else
#ifndef __AMIGAOS4__
#include <signal.h> #include <signal.h>
#include <setjmp.h> #include <setjmp.h>
@ -484,6 +489,7 @@ static void sigill_handler (int sig)
canjump = 0; canjump = 0;
siglongjmp (jmpbuf, 1); siglongjmp (jmpbuf, 1);
} }
#endif //__AMIGAOS4__
#endif #endif
void GetCpuCaps( CpuCaps *caps) void GetCpuCaps( CpuCaps *caps)
@ -517,6 +523,13 @@ void GetCpuCaps( CpuCaps *caps)
caps->hasAltiVec = 1; caps->hasAltiVec = 1;
} }
#else /* SYS_DARWIN */ #else /* SYS_DARWIN */
#ifdef __AMIGAOS4__
ULONG result = 0;
GetCPUInfoTags(GCIT_VectorUnit, &result, TAG_DONE);
if (result == VECTORTYPE_ALTIVEC)
caps->hasAltiVec = 1;
#else
/* no Darwin, do it the brute-force way */ /* no Darwin, do it the brute-force way */
/* this is borrowed from the libmpeg2 library */ /* this is borrowed from the libmpeg2 library */
{ {
@ -535,6 +548,7 @@ void GetCpuCaps( CpuCaps *caps)
caps->hasAltiVec = 1; caps->hasAltiVec = 1;
} }
} }
#endif //__AMIGAOS4__
#endif /* SYS_DARWIN */ #endif /* SYS_DARWIN */
mp_msg(MSGT_CPUDETECT,MSGL_INFO,"AltiVec %sfound\n", (caps->hasAltiVec ? "" : "not ")); mp_msg(MSGT_CPUDETECT,MSGL_INFO,"AltiVec %sfound\n", (caps->hasAltiVec ? "" : "not "));
#endif /* HAVE_ALTIVEC */ #endif /* HAVE_ALTIVEC */