1/* 2 * Written by: 3 * J.T. Conklin (jtc@netbsd.org) 4 * Public domain. 5 */ 6 7#include <i387/bsd_asm.h> 8//__FBSDID("$FreeBSD: src/lib/msun/i387/s_tan.S,v 1.9 2011/01/07 16:13:12 kib Exp $") 9 10ENTRY(tan) 11 fldl 4(%esp) 12 fptan 13 fnstsw %ax 14 andw $0x400,%ax 15 jnz 1f 16 fstp %st(0) 17 ret 181: fldpi 19 fadd %st(0) 20 fxch %st(1) 212: fprem1 22 fstsw %ax 23 andw $0x400,%ax 24 jnz 2b 25 fstp %st(1) 26 fptan 27 fstp %st(0) 28 ret 29END(tan) 30 31 32/* Enable stack protection */ 33#if defined(__ELF__) 34.section .note.GNU-stack,"",%progbits 35#endif 36