/* * Written by J.T. Conklin <jtc@netbsd.org>. * Public domain. */ #include <i387/bsd_asm.h> //__FBSDID("$FreeBSD: src/lib/msun/i387/s_floorf.S,v 1.4 2011/01/07 16:13:12 kib Exp $"); /* RCSID("$NetBSD: s_floorf.S,v 1.3 1995/05/09 00:04:32 jtc Exp $") */ ENTRY(floorf) pushl %ebp movl %esp,%ebp subl $8,%esp fstcw -4(%ebp) /* store fpu control word */ movw -4(%ebp),%dx orw $0x0400,%dx /* round towards -oo */ andw $0xf7ff,%dx 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 END(floorf) /* Enable stack protection */ #if defined(__ELF__) .section .note.GNU-stack,"",%progbits #endif
