1/* 2 * Written by J.T. Conklin <jtc@netbsd.org>. 3 * Public domain. 4 */ 5 6#include <machine/asm.h> 7 8RCSID("$NetBSD: s_ceilf.S,v 1.6 2002/03/30 10:03:44 fvdl Exp $") 9 10ENTRY(ceilf) 11#ifdef __i386__ 12 pushl %ebp 13 movl %esp,%ebp 14 subl $8,%esp 15 16 fstcw -4(%ebp) /* store fpu control word */ 17 movw -4(%ebp),%dx 18 orw $0x0800,%dx /* round towards +oo */ 19 andw $0xfbff,%dx 20 movw %dx,-8(%ebp) 21 fldcw -8(%ebp) /* load modfied control word */ 22 23 flds 8(%ebp); /* round */ 24 frndint 25 26 fldcw -4(%ebp) /* restore original control word */ 27 28 leave 29#else 30 fstcw -8(%rsp) 31 movw -8(%rsp),%dx 32 orw $0x0800,%dx 33 andw $0xfbff,%dx 34 movw %dx,-12(%rsp) 35 fldcw -12(%rsp) 36 movss %xmm0,-4(%rsp) 37 fldl -4(%rsp) 38 frndint 39 fldcw -8(%rsp) 40 fstps -4(%rsp) 41 movss -4(%rsp),%xmm0 42#endif 43 ret 44