/* $OpenBSD: s_floor.S,v 1.3 2009/04/08 22:30:41 martynas Exp $ */ /* * Written by J.T. Conklin <jtc@NetBSD.org>. * Public domain. */ #include <machine/asm.h> ENTRY(floor) movsd %xmm0, -8(%rsp) fstcw -12(%rsp) movw -12(%rsp),%dx orw $0x0400,%dx andw $0xf7ff,%dx movw %dx,-16(%rsp) fldcw -16(%rsp) fldl -8(%rsp) frndint fldcw -12(%rsp) fstpl -8(%rsp) movsd -8(%rsp),%xmm0 ret