linux/arch/c6x/lib/strasgi.S
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

78 lines
1.6 KiB
ArmAsm

;; SPDX-License-Identifier: GPL-2.0-or-later
;; Copyright 2010 Free Software Foundation, Inc.
;; Contributed by Bernd Schmidt <bernds@codesourcery.com>.
;;
#include <linux/linkage.h>
.text
ENTRY(__c6xabi_strasgi)
;; This is essentially memcpy, with alignment known to be at least
;; 4, and the size a multiple of 4 greater than or equal to 28.
ldw .d2t1 *B4++, A0
|| mvk .s2 16, B1
ldw .d2t1 *B4++, A1
|| mvk .s2 20, B2
|| sub .d1 A6, 24, A6
ldw .d2t1 *B4++, A5
ldw .d2t1 *B4++, A7
|| mv .l2x A6, B7
ldw .d2t1 *B4++, A8
ldw .d2t1 *B4++, A9
|| mv .s2x A0, B5
|| cmpltu .l2 B2, B7, B0
_strasgi_loop:
stw .d1t2 B5, *A4++
|| [B0] ldw .d2t1 *B4++, A0
|| mv .s2x A1, B5
|| mv .l2 B7, B6
[B0] sub .d2 B6, 24, B7
|| [B0] b .s2 _strasgi_loop
|| cmpltu .l2 B1, B6, B0
[B0] ldw .d2t1 *B4++, A1
|| stw .d1t2 B5, *A4++
|| mv .s2x A5, B5
|| cmpltu .l2 12, B6, B0
[B0] ldw .d2t1 *B4++, A5
|| stw .d1t2 B5, *A4++
|| mv .s2x A7, B5
|| cmpltu .l2 8, B6, B0
[B0] ldw .d2t1 *B4++, A7
|| stw .d1t2 B5, *A4++
|| mv .s2x A8, B5
|| cmpltu .l2 4, B6, B0
[B0] ldw .d2t1 *B4++, A8
|| stw .d1t2 B5, *A4++
|| mv .s2x A9, B5
|| cmpltu .l2 0, B6, B0
[B0] ldw .d2t1 *B4++, A9
|| stw .d1t2 B5, *A4++
|| mv .s2x A0, B5
|| cmpltu .l2 B2, B7, B0
;; loop back branch happens here
cmpltu .l2 B1, B6, B0
|| ret .s2 b3
[B0] stw .d1t1 A1, *A4++
|| cmpltu .l2 12, B6, B0
[B0] stw .d1t1 A5, *A4++
|| cmpltu .l2 8, B6, B0
[B0] stw .d1t1 A7, *A4++
|| cmpltu .l2 4, B6, B0
[B0] stw .d1t1 A8, *A4++
|| cmpltu .l2 0, B6, B0
[B0] stw .d1t1 A9, *A4++
;; return happens here
ENDPROC(__c6xabi_strasgi)