From f7eac6eb504f4baf13dbb4d26717942df050ebe6 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 5 Mar 1996 21:41:30 +0000 Subject: Mon Mar 4 20:54:40 1996 Andreas Schwab * Makeconfig ($(common-objpfx)config.make): Depend on config.h.in. Mon Mar 4 17:35:09 1996 Roland McGrath * hurd/catch-signal.c (hurd_safe_memmove): New function. (hurd_safe_copyin, hurd_safe_copyout): New functions. * hurd/hurd/sigpreempt.h: Declare them. Sun Mar 3 08:43:44 1996 Roland McGrath Replace math code with fdlibm from Sun as modified for netbsd by JT Conklin and Ian Taylor, including x86 FPU support. * sysdeps/libm-ieee754, sysdeps/libm-i387: New directories. * math/math_private.h: New file. * sysdeps/i386/fpu/Implies: New file. * sysdeps/ieee754/Implies: New file. * math/machine/asm.h, math/machine/endian.h: New files. * math/Makefile, math/math.h: Rewritten. * mathcalls.h, math/mathcalls.h: New file, broken out of math.h. * math/finite.c: File removed. * sysdeps/generic/Makefile [$(subdir)=math]: Frobnication removed. * math/test-math.c: Include errno.h and string.h. * sysdeps/unix/bsd/dirstream.h: File removed. * sysdeps/unix/bsd/readdir.c: File removed. --- sysdeps/libm-i387/s_floorf.S | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 sysdeps/libm-i387/s_floorf.S (limited to 'sysdeps/libm-i387/s_floorf.S') diff --git a/sysdeps/libm-i387/s_floorf.S b/sysdeps/libm-i387/s_floorf.S new file mode 100644 index 0000000000..dd290fa818 --- /dev/null +++ b/sysdeps/libm-i387/s_floorf.S @@ -0,0 +1,29 @@ +/* + * Written by J.T. Conklin . + * Public domain. + */ + +#include + +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 -12(%ebp) /* store fpu control word */ + movw -12(%ebp),%dx + orw $0x0400,%dx /* round towards -oo */ + andw $0xf7ff,%dx + movw %dx,-16(%ebp) + fldcw -16(%ebp) /* load modfied control word */ + + flds 8(%ebp); /* round */ + frndint + + fldcw -12(%ebp) /* restore original control word */ + + leave + ret +weak_alias (__floorf, floorf) -- cgit 1.4.1