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go/src/runtime/vlop_386.s
Emmanuel Odeke 7c04633e0c all: fix obsolete inferno-os links
Fixes #16911.

Fix obsolete inferno-os links, since code.google.com shutdown.
This CL points to the right files by replacing
http://code.google.com/p/inferno-os/source/browse
with
https://bitbucket.org/inferno-os/inferno-os/src/default

To implement the change I wrote and ran this script in the root:
$ grep -Rn 'http://code.google.com/p/inferno-os/source/browse' * \
| cut -d":" -f1 | while read F;do perl -pi -e \
's/http:\/\/code.google.com\/p\/inferno-os\/source\/browse/https:\/\/bitbucket.org\/inferno-os\/inferno-os\/src\/default/g'
$F;done

I excluded any cmd/vendor changes from the commit.

Change-Id: Iaaf828ac8f6fc949019fd01832989d00b29b6749
Reviewed-on: https://go-review.googlesource.com/27994
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-08-29 04:54:42 +00:00

57 lines
2.0 KiB
ArmAsm

// Inferno's libkern/vlop-386.s
// https://bitbucket.org/inferno-os/inferno-os/src/default/libkern/vlop-386.s
//
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Revisions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com). All rights reserved.
// Portions Copyright 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "textflag.h"
/*
* C runtime for 64-bit divide.
*/
// runtime·_mul64x32(lo64 *uint64, a uint64, b uint32) (hi32 uint32)
// sets *lo64 = low 64 bits of 96-bit product a*b; returns high 32 bits.
TEXT runtime·_mul64by32(SB), NOSPLIT, $0
MOVL lo64+0(FP), CX
MOVL a_lo+4(FP), AX
MULL b+12(FP)
MOVL AX, 0(CX)
MOVL DX, BX
MOVL a_hi+8(FP), AX
MULL b+12(FP)
ADDL AX, BX
ADCL $0, DX
MOVL BX, 4(CX)
MOVL DX, AX
MOVL AX, hi32+16(FP)
RET
TEXT runtime·_div64by32(SB), NOSPLIT, $0
MOVL r+12(FP), CX
MOVL a_lo+0(FP), AX
MOVL a_hi+4(FP), DX
DIVL b+8(FP)
MOVL DX, 0(CX)
MOVL AX, q+16(FP)
RET