xref: /minix3/lib/libc/arch/mips/gen/fpgetround.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc /*	$NetBSD: fpgetround.c,v 1.7 2014/09/17 11:02:55 joerg Exp $	*/
22fe8fb19SBen Gras 
32fe8fb19SBen Gras /*
42fe8fb19SBen Gras  * Written by J.T. Conklin, Apr 11, 1995
52fe8fb19SBen Gras  * Public domain.
62fe8fb19SBen Gras  */
72fe8fb19SBen Gras 
82fe8fb19SBen Gras #include <sys/cdefs.h>
92fe8fb19SBen Gras #if defined(LIBC_SCCS) && !defined(lint)
10*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: fpgetround.c,v 1.7 2014/09/17 11:02:55 joerg Exp $");
112fe8fb19SBen Gras #endif /* LIBC_SCCS and not lint */
122fe8fb19SBen Gras 
132fe8fb19SBen Gras #include "namespace.h"
142fe8fb19SBen Gras 
152fe8fb19SBen Gras #include <ieeefp.h>
162fe8fb19SBen Gras 
172fe8fb19SBen Gras #ifdef __weak_alias
__weak_alias(fpgetround,_fpgetround)182fe8fb19SBen Gras __weak_alias(fpgetround,_fpgetround)
192fe8fb19SBen Gras #endif
202fe8fb19SBen Gras 
212fe8fb19SBen Gras fp_rnd
22e415d488SLionel Sambuc fpgetround(void)
232fe8fb19SBen Gras {
24e415d488SLionel Sambuc 	fp_rnd x;
252fe8fb19SBen Gras 
26*0a6a1f1dSLionel Sambuc 	__asm(".set push; .set noat; cfc1 %0,$31; .set pop" : "=r" (x));
272fe8fb19SBen Gras 	return x & 0x03;
282fe8fb19SBen Gras }
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