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Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_copysign.S')
-rw-r--r--sysdeps/powerpc/powerpc32/fpu/s_copysign.S22
1 files changed, 16 insertions, 6 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_copysign.S b/sysdeps/powerpc/powerpc32/fpu/s_copysign.S
index 933435da3d..dd68b0869c 100644
--- a/sysdeps/powerpc/powerpc32/fpu/s_copysign.S
+++ b/sysdeps/powerpc/powerpc32/fpu/s_copysign.S
@@ -1,5 +1,5 @@
/* Copy a sign bit between floating-point values.
- Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999, 2000, 2006 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
@@ -14,23 +14,26 @@
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. */
+ Software Foundation, Inc., 1 Franklin Street, Fifth Floor, Boston MA
+ 02110-1301 USA. */
/* This has been coded in assembler because GCC makes such a mess of it
when it's coded in C. */
#include <sysdep.h>
+#include <math_ldbl_opt.h>
ENTRY(__copysign)
/* double [f1] copysign (double [f1] x, double [f2] y);
copysign(x,y) returns a value with the magnitude of x and
with the sign bit of y. */
stwu r1,-16(r1)
+ cfi_adjust_cfa_offset (16)
stfd fp2,8(r1)
lwz r3,8(r1)
cmpwi r3,0
addi r1,r1,16
+ cfi_adjust_cfa_offset (-16)
blt L(0)
fabs fp1,fp1
blr
@@ -38,13 +41,20 @@ L(0): fnabs fp1,fp1
blr
END (__copysign)
-weak_alias(__copysign,copysign)
+weak_alias (__copysign,copysign)
/* It turns out that it's safe to use this code even for single-precision. */
-weak_alias(__copysign,copysignf)
+weak_alias (__copysign,copysignf)
strong_alias(__copysign,__copysignf)
#ifdef NO_LONG_DOUBLE
-weak_alias(__copysign,copysignl)
+weak_alias (__copysign,copysignl)
strong_alias(__copysign,__copysignl)
#endif
+#ifdef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __copysign, copysignl, GLIBC_2_0)
+# endif
+#elif LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __copysign, copysignl, GLIBC_2_0)
+#endif