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cpudetect.c: check OS SSE support only with runtime detection 

Run OS support for SSE check only for runtime CPU detection.
It is pointless to run it otherwise and it causes issues
on OSes where we have not implemented a way to check.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@33713 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2011-06-22 19:12:23 +00:00 committed by Uoti Urpala
parent d32bf98070
commit 8efc898f78
1 changed files with 4 additions and 1 deletions
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5
cpudetect.c
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@ -52,6 +52,7 @@ CpuCaps gCpuCaps;
* team for SSE support detection and more cpu detect code.
*/
#if CONFIG_RUNTIME_CPUDETECT
/* I believe this code works. However, it has only been used on a PII and PIII */
#if defined(__linux__) && defined(_POSIX_SOURCE) && !ARCH_X86_64
@ -221,6 +222,7 @@ static void check_os_katmai_support( void )
gCpuCaps.hasSSE=0;
#endif /* __linux__ */
}
#endif
// return TRUE if cpuid supported
@ -352,6 +354,7 @@ void GetCpuCaps( CpuCaps *caps)
gCpuCaps.has3DNowExt);
#endif
#if CONFIG_RUNTIME_CPUDETECT
/* FIXME: Does SSE2 need more OS support, too? */
if (caps->hasSSE)
check_os_katmai_support();
@ -361,7 +364,7 @@ void GetCpuCaps( CpuCaps *caps)
// caps->hasMMX2 = 0;
// caps->hasMMX = 0;
#if !CONFIG_RUNTIME_CPUDETECT
#else
#if !HAVE_MMX
if(caps->hasMMX) mp_msg(MSGT_CPUDETECT,MSGL_WARN,"MMX supported but disabled\n");
caps->hasMMX=0;