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| author | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2020-12-23 14:02:02 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2020-12-24 06:05:40 +0530 |
| commit | 94547d9209db483c17285599a0c22085067361f0 (patch) | |
| tree | caae072fb2da5b7433fbe8aff154b8bb5f26d39e /sysdeps/i386 | |
| parent | b7f88156174f9bbf9c9393651b2ad0cdd3893e83 (diff) | |
| download | glibc-94547d9209db483c17285599a0c22085067361f0.tar.gz | |
x86 long double: Support pseudo numbers in isnanl
This syncs up isnanl behaviour with gcc. Also move the isnanl
implementation to sysdeps/x86 and remove the sysdeps/x86_64 version.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/i386')
| -rw-r--r-- | sysdeps/i386/fpu/s_isnanl.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/sysdeps/i386/fpu/s_isnanl.c b/sysdeps/i386/fpu/s_isnanl.c deleted file mode 100644 index fb97317bc9..0000000000 --- a/sysdeps/i386/fpu/s_isnanl.c +++ /dev/null @@ -1,43 +0,0 @@ -/* s_isnanl.c -- long double version for i387 of s_isnan.c. - * Conversion to long double by Ulrich Drepper, - * Cygnus Support, drepper@cygnus.com. - */ - -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: $"; -#endif - -/* - * isnanl(x) returns 1 is x is nan, else 0; - * no branching! - */ - -#include <math.h> -#include <math_private.h> - -int __isnanl(long double x) -{ - int32_t se,hx,lx; - GET_LDOUBLE_WORDS(se,hx,lx,x); - se = (se & 0x7fff) << 1; - /* The additional & 0x7fffffff is required because Intel's - extended format has the normally implicit 1 explicit - present. Sigh! */ - lx |= hx & 0x7fffffff; - se |= (uint32_t)(lx|(-lx))>>31; - se = 0xfffe - se; - return (int)((uint32_t)(se))>>16; -} -hidden_def (__isnanl) -weak_alias (__isnanl, isnanl) |