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Detect sse/2 on intel mac, Valtteri Vuorikoski(vuori@sci.fi)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20058 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nplourde 2006-10-05 00:12:04 +00:00
parent 9c19753fcc
commit a99eefdfef
1 changed files with 10 additions and 3 deletions
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13
cpudetect.c
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@ -182,7 +182,7 @@ void GetCpuCaps( CpuCaps *caps)
#endif
/* FIXME: Does SSE2 need more OS support, too? */
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__CYGWIN__) || defined(__OpenBSD__) || defined(__DragonFly__)
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__CYGWIN__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__)
if (caps->hasSSE)
check_os_katmai_support();
if (!caps->hasSSE)
@ -345,16 +345,23 @@ LONG CALLBACK win32_sig_handler_sse(EXCEPTION_POINTERS* ep)
* and RedHat patched 2.2 kernels that have broken exception handling
* support for user space apps that do SSE.
*/
#if defined(__FreeBSD__) || defined(__DragonFly__)
#define SSE_SYSCTL_NAME "hw.instruction_sse"
#elif defined(__APPLE__)
#define SSE_SYSCTL_NAME "hw.optional.sse"
#endif
static void check_os_katmai_support( void )
{
#ifdef ARCH_X86_64
gCpuCaps.hasSSE=1;
gCpuCaps.hasSSE2=1;
#elif defined(__FreeBSD__) || defined(__DragonFly__)
#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__)
int has_sse=0, ret;
size_t len=sizeof(has_sse);
ret = sysctlbyname("hw.instruction_sse", &has_sse, &len, NULL, 0);
ret = sysctlbyname(SSE_SYSCTL_NAME, &has_sse, &len, NULL, 0);
if (ret || !has_sse)
gCpuCaps.hasSSE=0;