9cd8780a69
r195025 | gonzo | 2009-06-25 19:01:50 -0600 (Thu, 25 Jun 2009) | 4 lines
- Move fpgetXXX.c/fpsetXXX.c sources to hardfloat subdir/
to prevenmt them from being mixed up with lib/libc/softfloat
files with the same names
39 lines
692 B
C
39 lines
692 B
C
/* $NetBSD: fpsetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
|
|
|
|
/*
|
|
* Written by J.T. Conklin, Apr 11, 1995
|
|
* Public domain.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: fpsetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include "namespace.h"
|
|
|
|
#include <ieeefp.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(fpsetmask,_fpsetmask)
|
|
#endif
|
|
|
|
fp_except_t
|
|
fpsetmask(mask)
|
|
fp_except_t mask;
|
|
{
|
|
fp_except_t old;
|
|
fp_except_t new;
|
|
|
|
__asm("cfc1 %0,$31" : "=r" (old));
|
|
|
|
new = old;
|
|
new &= ~(0x1f << 7);
|
|
new |= ((mask & 0x1f) << 7);
|
|
|
|
__asm("ctc1 %0,$31" : : "r" (new));
|
|
|
|
return (old >> 7) & 0x1f;
|
|
}
|