1/* 2 * Written by J.T. Conklin <jtc@netbsd.org>. 3 * Public domain. 4 */ 5 6#include <machine/asm.h> 7/* RCSID("$NetBSD: s_floorf.S,v 1.3 1995/05/09 00:04:32 jtc Exp $") */ 8 9ENTRY(floorf) 10 pushl %ebp 11 movl %esp,%ebp 12 subl $8,%esp 13 14 fstcw -4(%ebp) /* store fpu control word */ 15 movw -4(%ebp),%dx 16 orw $0x0400,%dx /* round towards -oo */ 17 andw $0xf7ff,%dx 18 movw %dx,-8(%ebp) 19 fldcw -8(%ebp) /* load modified control word */ 20 21 flds 8(%ebp); /* round */ 22 frndint 23 24 fldcw -4(%ebp) /* restore original control word */ 25 26 leave 27 ret 28END(floorf) 29 30 .section .note.GNU-stack,"",%progbits 31