/* * Written by J.T. Conklin <jtc@netbsd.org>. * Public domain. */ #include <machine/asm.h> #include "abi.h" RCSID("$NetBSD: s_ceil.S,v 1.5 2001/06/19 00:26:30 fvdl Exp $") ENTRY(ceil) #ifdef __i386__ pushl %ebp movl %esp,%ebp subl $8,%esp fstcw -12(%ebp) /* store fpu control word */ movw -12(%ebp),%dx orw $0x0800,%dx /* round towards +oo */ andw $0xfbff,%dx movw %dx,-16(%ebp) fldcw -16(%ebp) /* load modfied control word */ fldl 8(%ebp); /* round */ frndint fldcw -12(%ebp) /* restore original control word */ leave #else fstcw -12(%rsp) movw -12(%rsp),%dx orw $0x0800,%dx andw $0xfbff,%dx movw %dx,-16(%rsp) fldcw -16(%rsp) movsd %xmm0,-8(%rsp) fldl -8(%rsp) frndint fldcw -12(%rsp) fstpl -8(%rsp) movsd -8(%rsp),%xmm0 #endif ret