/* 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 , 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 #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))