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author | Ulrich Drepper <drepper@redhat.com> | 1999-10-10 00:00:36 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-10-10 00:00:36 +0000 |
commit | 2293395f48cbfbd6ddf548fea8ba832e4c185356 (patch) | |
tree | 292ae8a697250541ee6b5328a2c36adc0bc33ed0 /sysdeps/powerpc/fpu/s_isnan.c | |
parent | 883c331ae9e9fb6e61c7213a012a5f4122b2bb23 (diff) | |
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Update.
* nss/getXXbyYY_r.c (do_weak_alias): Remove unnecessary parenthesis.
* sysdeps/powerpc/s_copysign.S: Move to...
* sysdeps/powerpc/fpu/s_copysign.S: ...here. Use portable asm syntax.
* sysdeps/powerpc/s_copysignf.S: Move to...
* sysdeps/powerpc/fpu/s_copysignf.S: ...here.
* sysdeps/powerpc/s_fabs.S: Move to...
* sysdeps/powerpc/fpu/s_fabs.S: ...here. Use portable asm syntax.
* sysdeps/powerpc/s_fabsf.S: Move to...
* sysdeps/powerpc/fpu/s_fabsf.S: ...here.
* sysdeps/powerpc/s_fdim.c: Move to...
* sysdeps/powerpc/fpu/s_fdim.c: ...here.
* sysdeps/powerpc/s_fdimf.c: Move to...
* sysdeps/powerpc/fpu/s_fdimf.c: ...here.
* sysdeps/powerpc/s_fmax.S: Move to...
* sysdeps/powerpc/fpu/s_fmax.S: ...here. Use portable asm syntax.
* sysdeps/powerpc/s_fmaxf.S: Move to...
* sysdeps/powerpc/fpu/s_fmaxf.S: ...here.
* sysdeps/powerpc/s_fmin.S: Move to...
* sysdeps/powerpc/fpu/s_fmin.S: ...here. Use portable asm syntax.
* sysdeps/powerpc/s_fminf.S: Move to...
* sysdeps/powerpc/fpu/s_fminf.S: ...here.
* sysdeps/powerpc/s_isnan.S: Move to...
* sysdeps/powerpc/fpu/s_isnan.c: ...here.
* sysdeps/powerpc/s_isnanf.S: Move to...
* sysdeps/powerpc/fpu/s_isnanf.S: ...here.
* sysdeps/powerpc/s_llrint.c: Move to...
* sysdeps/powerpc/fpu/s_llrint.c: ...here.
* sysdeps/powerpc/s_llrintf.c: Move to...
* sysdeps/powerpc/fpu/s_llrintf.c: ...here.
* sysdeps/powerpc/s_llround.c: Move to...
* sysdeps/powerpc/fpu/s_llround.c: ...here.
* sysdeps/powerpc/s_llroundf.c: Move to...
* sysdeps/powerpc/fpu/s_llroundf.c: ...here.
* sysdeps/powerpc/s_lrint.c: Move to...
* sysdeps/powerpc/fpu/s_lrint.c: ...here.
* sysdeps/powerpc/s_lrintf.S: Move to...
* sysdeps/powerpc/fpu/s_lrintf.S: ...here.
* sysdeps/powerpc/s_lround.c: Move to...
* sysdeps/powerpc/fpu/s_lround.c: ...here.
* sysdeps/powerpc/s_lroundf.c: Move to...
* sysdeps/powerpc/fpu/s_lroundf.c: ...here.
* sysdeps/powerpc/s_rint.c: Move to...
* sysdeps/powerpc/fpu/s_rint.c: ...here.
* sysdeps/powerpc/s_rintf.c: Move to...
* sysdeps/powerpc/fpu/s_rintf.c: ...here.
* sysdeps/powerpc/t_sqrt.c: Move to...
* sysdeps/powerpc/fpu/t_sqrt: ...here.
* sysdeps/powerpc/w_sqrt.c: Move to...
* sysdeps/powerpc/fpu/w_sqrt.c: ...here.
* sysdeps/powerpc/w_sqrtf.c: Move to...
* sysdeps/powerpc/fpu/w_sqrtf.c: ...here.
* configure.in: Support platforms which have no .text pseudo-op.
Patches partly by Jimi X <jimix@pobox.com>.
Diffstat (limited to 'sysdeps/powerpc/fpu/s_isnan.c')
-rw-r--r-- | sysdeps/powerpc/fpu/s_isnan.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/s_isnan.c b/sysdeps/powerpc/fpu/s_isnan.c new file mode 100644 index 0000000000..34019fdbdb --- /dev/null +++ b/sysdeps/powerpc/fpu/s_isnan.c @@ -0,0 +1,47 @@ +/* Return 1 if argument is a NaN, else 0. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "math.h" +#include <fenv_libc.h> + +int __isnan(double x) +{ + fenv_t savedstate; + int result; + savedstate = fegetenv_register(); + reset_fpscr_bit(FPSCR_VE); + result = !(x == x); + fesetenv_register(savedstate); + return result; +} +weak_alias (__isnan, isnan) +/* It turns out that the 'double' version will also always work for + single-precision. Use explicit assembler to stop gcc complaining + that 'isnanf' takes a float parameter, not double. */ +asm ("\ + .globl __isnanf + .globl isnanf + .weak isnanf + .set __isnanf,__isnan + .set isnanf,__isnan +"); +#ifdef NO_LONG_DOUBLE +strong_alias (__isnan, __isnanl) +weak_alias (__isnan, isnanl) +#endif |