/* * Based on code written by J.T. Conklin <jtc@NetBSD.org>. * Public domain. */ #include <machine/asm.h> __FBSDID("$FreeBSD: src/lib/msun/i387/s_truncf.S,v 1.2 2005/05/06 15:44:20 deischen Exp $") ENTRY(truncf) 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 */ flds 8(%ebp) /* round */ frndint fldcw -4(%ebp) /* restore original control word */ leave ret