diff options
Diffstat (limited to 'libm/amd64/s_remquof.S')
| -rw-r--r-- | libm/amd64/s_remquof.S | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/libm/amd64/s_remquof.S b/libm/amd64/s_remquof.S deleted file mode 100644 index 02b604f..0000000 --- a/libm/amd64/s_remquof.S +++ /dev/null @@ -1,65 +0,0 @@ -/*- - * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Based on public-domain remainder routine by J.T. Conklin <jtc@NetBSD.org>. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD: src/lib/msun/amd64/s_remquof.S,v 1.1 2005/03/25 04:40:44 das Exp $"); - -ENTRY(remquof) - movss %xmm0,-4(%rsp) - movss %xmm1,-8(%rsp) - flds -8(%rsp) - flds -4(%rsp) -1: fprem1 - fstsw %ax - btw $10,%ax - jc 1b - fstp %st(1) -/* Extract the three low-order bits of the quotient from C0,C3,C1. */ - shrl $6,%eax - movl %eax,%ecx - andl $0x108,%eax - rorl $7,%eax - orl %eax,%ecx - roll $4,%eax - orl %ecx,%eax - andl $7,%eax -/* Negate the quotient bits if x*y<0. Avoid using an unpredictable branch. */ - movl -8(%rsp),%ecx - xorl -4(%rsp),%ecx - sarl $16,%ecx - sarl $16,%ecx - xorl %ecx,%eax - andl $1,%ecx - addl %ecx,%eax -/* Store the quotient and return. */ - movl %eax,(%rdi) - fstps -4(%rsp) - movss -4(%rsp),%xmm0 - ret |