1/* Compute sine and cosine of argument. 2 Copyright (C) 1997, 2000 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, write to the Free 18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 19 02111-1307 USA. */ 20 21#include <machine/asm.h> 22#include "bp-sym.h" 23#include "bp-asm.h" 24 25#define PARMS LINKAGE /* no space for saved regs */ 26#define ANGLE PARMS 27#define SINP ANGLE+4 28#define COSP SINP+PTR_SIZE 29 30 .text 31ENTRY (BP_SYM (__sincosf)) 32 ENTER 33 34 flds ANGLE(%esp) 35 fsincos 36 movl SINP(%esp), %ecx 37 CHECK_BOUNDS_BOTH_WIDE (%ecx, SINP(%esp), $4) 38 movl COSP(%esp), %edx 39 CHECK_BOUNDS_BOTH_WIDE (%edx, COSP(%esp), $4) 40 fnstsw %ax 41 testl $0x400,%eax 42 jnz 1f 43 fstps (%edx) 44 fstps (%ecx) 45 46 LEAVE 47 ret 48 49 .align ALIGNARG(4) 501: fldpi 51 fadd %st(0) 52 fxch %st(1) 532: fprem1 54 fnstsw %ax 55 testl $0x400,%eax 56 jnz 2b 57 fstp %st(1) 58 fsincos 59 fstps (%edx) 60 fstps (%ecx) 61 62 LEAVE 63 ret 64END (BP_SYM (__sincosf)) 65weak_alias (BP_SYM (__sincosf), BP_SYM (sincosf)) 66