From 5f7aead5c4c409e6dffdd691c4912f3b5ade5bb2 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 10 Apr 2008 14:17:22 +0000 Subject: [BZ #5768] 2008-02-19 Steven Munroe [BZ #5768] * sysdeps/powerpc/fpu/Makefile (libm-tests): Add test-powerpc-snan. * sysdeps/powerpc/fpu/test-powerpc-snan.c: New file. 2008-02-18 Steven Munroe [BZ #5768] * sysdeps/powerpc/powerpc32/fpu/s_isnan.S: New file. * sysdeps/powerpc/powerpc32/fpu/s_isnan.c: Removed. * sysdeps/powerpc/powerpc64/fpu/s_isnan.S: New file. * sysdeps/powerpc/powerpc64/fpu/s_isnan.c: Removed. --- sysdeps/powerpc/powerpc64/fpu/s_isnan.S | 57 +++++++++++++++++++++++++++++++++ sysdeps/powerpc/powerpc64/fpu/s_isnan.c | 7 ---- 2 files changed, 57 insertions(+), 7 deletions(-) create mode 100644 sysdeps/powerpc/powerpc64/fpu/s_isnan.S delete mode 100644 sysdeps/powerpc/powerpc64/fpu/s_isnan.c (limited to 'sysdeps/powerpc/powerpc64/fpu') diff --git a/sysdeps/powerpc/powerpc64/fpu/s_isnan.S b/sysdeps/powerpc/powerpc64/fpu/s_isnan.S new file mode 100644 index 0000000000..9963896f2d --- /dev/null +++ b/sysdeps/powerpc/powerpc64/fpu/s_isnan.S @@ -0,0 +1,57 @@ +/* isnan(). PowerPC64 version. + Copyright (C) 2008 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + +/* int __isnan(x) */ + .machine power4 +EALIGN (__isnan, 4, 0) + CALL_MCOUNT 0 + mffs fp0 + mtfsb0 4*cr6+lt /* reset_fpscr_bit (FPSCR_VE) */ + fcmpu cr7,fp1,fp1 + mtfsf 255,fp0 + li r3,0 + beqlr+ cr7 /* (x == x) then not a NAN */ + li r3,1 /* else must be a NAN */ + blr + END (__isnan) + +hidden_def (__isnan) +weak_alias (__isnan, isnan) + +/* It turns out that the 'double' version will also always work for + single-precision. */ +strong_alias (__isnan, __isnanf) +hidden_def (__isnanf) +weak_alias (__isnanf, isnanf) + +#ifdef NO_LONG_DOUBLE +strong_alias (__isnan, __isnanl) +weak_alias (__isnan, isnanl) +#endif + +#ifndef IS_IN_libm +# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) +compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0); +compat_symbol (libc, isnan, isnanl, GLIBC_2_0); +# endif +#endif + diff --git a/sysdeps/powerpc/powerpc64/fpu/s_isnan.c b/sysdeps/powerpc/powerpc64/fpu/s_isnan.c deleted file mode 100644 index 397717ba9c..0000000000 --- a/sysdeps/powerpc/powerpc64/fpu/s_isnan.c +++ /dev/null @@ -1,7 +0,0 @@ -#include -#ifndef IS_IN_libm -# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) -compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0); -compat_symbol (libc, isnan, isnanl, GLIBC_2_0); -# endif -#endif -- cgit 1.4.1