| Current Path : /compat/linux/proc/self/root/usr/src/lib/msun/i387/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //compat/linux/proc/self/root/usr/src/lib/msun/i387/s_trunc.S |
/*
* Based on code written by J.T. Conklin <jtc@NetBSD.org>.
* Public domain.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD: release/9.1.0/lib/msun/i387/s_trunc.S 217108 2011-01-07 16:13:12Z kib $")
ENTRY(trunc)
pushl %ebp
movl %esp,%ebp
subl $8,%esp
fstcw -4(%ebp) /* store fpu control word */
movw -4(%ebp),%dx
orw $0x0c00,%dx /* round towards -oo */
movw %dx,-8(%ebp)
fldcw -8(%ebp) /* load modfied control word */
fldl 8(%ebp) /* round */
frndint
fldcw -4(%ebp) /* restore original control word */
leave
ret
END(trunc)
.section .note.GNU-stack,"",%progbits