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authorUlrich Drepper <drepper@redhat.com>2008-04-10 05:59:13 +0000
committerUlrich Drepper <drepper@redhat.com>2008-04-10 05:59:13 +0000
commit3b32d8a25908459411ee77761ccf57ac3f8b4343 (patch)
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* sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S: New file.
* sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S: New file. * sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S: New file. * sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S: New file. * sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S: New file. * sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S: New file.
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S')
-rw-r--r--sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S46
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diff --git a/sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S b/sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S
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+++ b/sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S
@@ -0,0 +1,46 @@
+/* isnan(). PowerPC32 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 <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __isnanf(x) */
+ .machine power5
+EALIGN (__isnanf, 4, 0)
+ stwu r1,-32(r1)
+ cfi_adjust_cfa_offset (32)
+ stfs fp1,28(r1) /* copy FPR to GPR */
+ nop
+ nop
+ lwz r4,28(r1)
+ lis r0,0x7f80 /* const long r0 0x7f800000 */
+ clrlwi r4,r4,1 /* x = fabs(x) */
+ cmpw cr7,r4,r0 /* if (fabs(x) =< inf) */
+ li r3,0 /* then return 0 */
+ addi r1,r1,32
+ cfi_adjust_cfa_offset (-32)
+ blelr+ cr7
+L(NaN):
+ li r3,1 /* else return 1 */
+ blr
+ END (__isnanf)
+
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+