/* $NetBSD: fpsetsticky.c,v 1.10 2017/02/27 06:55:26 chs Exp $ */ /* * Written by J.T. Conklin, Apr 11, 1995 * Public domain. */ #include <sys/cdefs.h> #if defined(LIBC_SCCS) && !defined(lint) __RCSID("$NetBSD: fpsetsticky.c,v 1.10 2017/02/27 06:55:26 chs Exp $"); #endif /* LIBC_SCCS and not lint */ #include "namespace.h" #include <ieeefp.h> #ifdef __weak_alias __weak_alias(fpsetsticky,_fpsetsticky) #endif fp_except fpsetsticky(fp_except sticky) { fp_except old; fp_except new; __asm(".set push; .set noat; cfc1 %0,$31; .set pop" : "=r" (old)); new = old & ~(0x1f << 2); new |= (sticky & 0x1f) << 2; __asm(".set push; .set noat; ctc1 %0,$31; .set pop" : : "r" (new)); return (old >> 2) & 0x1f; } |