2.5-18.1

1 files changed, 51 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S b/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S
new file mode 100644
index 0000000000..b2c62eacba
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/s_copysignl.S
@@ -0,0 +1,51 @@
+/* Copy a sign bit between floating-point values.
+   IBM extended format long double version.
+   Copyright (C) 2004, 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
+   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>
+
+ENTRY(__copysignl)
+/* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y);
+   copysign(x,y) returns a value with the magnitude of x and
+   with the sign bit of y.  */
+	stfd	fp3,-16(r1)
+	ld	r3,-16(r1)
+	cmpdi   r3,0
+	blt     L(0)
+	fmr	fp0,fp1
+	fabs	fp1,fp1
+	fcmpu	cr1,fp0,fp1
+	beqlr	cr1
+	fneg	fp2,fp2
+	blr
+L(0):
+	fmr	fp0,fp1
+	fnabs   fp1,fp1
+	fcmpu	cr1,fp0,fp1
+	beqlr	cr1
+	fneg	fp2,fp2
+	blr
+END (__copysignl)
+
+#ifdef IS_IN_libm
+long_double_symbol (libm, __copysignl, copysignl)
+#else
+long_double_symbol (libc, __copysignl, copysignl)
+#endif