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-rw-r--r--sysdeps/x86_64/fpu/s_sincos.S61
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diff --git a/sysdeps/x86_64/fpu/s_sincos.S b/sysdeps/x86_64/fpu/s_sincos.S
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+/* 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))