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Code Issues Releases Wiki Activity

Remove unused sigfpe handler

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24458 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2007-09-14 13:43:06 +00:00
parent 38349bcac8
commit 62d005a974
1 changed files with 0 additions and 22 deletions

22
cpudetect.c
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@ -305,25 +305,6 @@ static void sigill_handler_sse( int signal, struct sigcontext sc )
gCpuCaps.hasSSE=0;
}
static void sigfpe_handler_sse( int signal, struct sigcontext sc )
{
mp_msg(MSGT_CPUDETECT,MSGL_V, "SIGFPE, " );
if ( sc.fpstate->magic != 0xffff ) {
/* Our signal context has the extended FPU state, so reset the
* divide-by-zero exception mask and clear the divide-by-zero
* exception bit.
*/
sc.fpstate->mxcsr |= 0x00000200;
sc.fpstate->mxcsr &= 0xfffffffb;
} else {
/* If we ever get here, we're completely hosed.
*/
mp_msg(MSGT_CPUDETECT,MSGL_V, "\n\n" );
mp_msg(MSGT_CPUDETECT,MSGL_V, "SSE enabling test failed badly!" );
}
}
#endif /* __linux__ && _POSIX_SOURCE && X86_FXSR_MAGIC */
#ifdef WIN32
@ -417,10 +398,8 @@ static void check_os_katmai_support( void )
/* Save the original signal handlers.
*/
sigaction( SIGILL, NULL, &saved_sigill );
sigaction( SIGFPE, NULL, &saved_sigfpe );
signal( SIGILL, (void (*)(int))sigill_handler_sse );
signal( SIGFPE, (void (*)(int))sigfpe_handler_sse );
/* Emulate test for OSFXSR in CR4. The OS will set this bit if it
* supports the extended FPU save and restore required for SSE. If
@ -444,7 +423,6 @@ static void check_os_katmai_support( void )
/* Restore the original signal handlers.
*/
sigaction( SIGILL, &saved_sigill, NULL );
sigaction( SIGFPE, &saved_sigfpe, NULL );
/* If we've gotten to here and the XMM CPUID bit is still set, we're
* safe to go ahead and hook out the SSE code throughout Mesa.