Updated to fedora-glibc-20050721T0814

1 files changed, 61 insertions, 0 deletions

diff --git a/sysdeps/x86_64/fpu/s_sincos.S b/sysdeps/x86_64/fpu/s_sincos.S
new file mode 100644
index 0000000000..9a33615340
--- /dev/null
+++ b/sysdeps/x86_64/fpu/s_sincos.S
@@ -0,0 +1,61 @@
+/* Compute sine and cosine of argument.
+   Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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 <machine/asm.h>
+#include "bp-sym.h"
+#include "bp-asm.h"
+
+#define PARMS	LINKAGE		/* no space for saved regs */
+#define ANGLE	PARMS
+#define SINP	ANGLE+12
+#define COSP	SINP+PTR_SIZE
+
+	.text
+ENTRY (BP_SYM (__sincos))
+	ENTER
+
+	movsd	%xmm0, -8(%rsp)
+	fldl	-8(%rsp)
+	fsincos
+	fnstsw	%ax
+	testl	$0x400,%eax
+	jnz	1f
+	fstpl	(%rsi)
+	fstpl	(%rdi)
+
+	LEAVE
+	retq
+
+1:	fldpi
+	fadd	%st(0)
+	fxch	%st(1)
+2:	fprem1
+	fnstsw	%ax
+	testl	$0x400,%eax
+	jnz	2b
+	fstp	%st(1)
+	fsincos
+	fstpl	(%rsi)
+	fstpl	(%rdi)
+
+	LEAVE
+	retq
+END (BP_SYM (__sincos))
+weak_alias (BP_SYM (__sincos), BP_SYM (sincos))