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linux/arch/ia64/lib/xor.S
Thomas Gleixner af1a8899d2 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 47
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 or at your option any
  later version you should have received a copy of the gnu general
  public license for example usr src linux copying if not write to the
  free software foundation inc 675 mass ave cambridge ma 02139 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 20 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190520170858.552543146@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-24 17:27:13 +02:00

182 lines
3.2 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* arch/ia64/lib/xor.S
*
* Optimized RAID-5 checksumming functions for IA-64.
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
GLOBAL_ENTRY(xor_ia64_2)
.prologue
.fframe 0
.save ar.pfs, r31
alloc r31 = ar.pfs, 3, 0, 13, 16
.save ar.lc, r30
mov r30 = ar.lc
.save pr, r29
mov r29 = pr
;;
.body
mov r8 = in1
mov ar.ec = 6 + 2
shr in0 = in0, 3
;;
adds in0 = -1, in0
mov r16 = in1
mov r17 = in2
;;
mov ar.lc = in0
mov pr.rot = 1 << 16
;;
.rotr s1[6+1], s2[6+1], d[2]
.rotp p[6+2]
0:
(p[0]) ld8.nta s1[0] = [r16], 8
(p[0]) ld8.nta s2[0] = [r17], 8
(p[6]) xor d[0] = s1[6], s2[6]
(p[6+1])st8.nta [r8] = d[1], 8
nop.f 0
br.ctop.dptk.few 0b
;;
mov ar.lc = r30
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_2)
EXPORT_SYMBOL(xor_ia64_2)
GLOBAL_ENTRY(xor_ia64_3)
.prologue
.fframe 0
.save ar.pfs, r31
alloc r31 = ar.pfs, 4, 0, 20, 24
.save ar.lc, r30
mov r30 = ar.lc
.save pr, r29
mov r29 = pr
;;
.body
mov r8 = in1
mov ar.ec = 6 + 2
shr in0 = in0, 3
;;
adds in0 = -1, in0
mov r16 = in1
mov r17 = in2
;;
mov r18 = in3
mov ar.lc = in0
mov pr.rot = 1 << 16
;;
.rotr s1[6+1], s2[6+1], s3[6+1], d[2]
.rotp p[6+2]
0:
(p[0]) ld8.nta s1[0] = [r16], 8
(p[0]) ld8.nta s2[0] = [r17], 8
(p[6]) xor d[0] = s1[6], s2[6]
;;
(p[0]) ld8.nta s3[0] = [r18], 8
(p[6+1])st8.nta [r8] = d[1], 8
(p[6]) xor d[0] = d[0], s3[6]
br.ctop.dptk.few 0b
;;
mov ar.lc = r30
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_3)
EXPORT_SYMBOL(xor_ia64_3)
GLOBAL_ENTRY(xor_ia64_4)
.prologue
.fframe 0
.save ar.pfs, r31
alloc r31 = ar.pfs, 5, 0, 27, 32
.save ar.lc, r30
mov r30 = ar.lc
.save pr, r29
mov r29 = pr
;;
.body
mov r8 = in1
mov ar.ec = 6 + 2
shr in0 = in0, 3
;;
adds in0 = -1, in0
mov r16 = in1
mov r17 = in2
;;
mov r18 = in3
mov ar.lc = in0
mov pr.rot = 1 << 16
mov r19 = in4
;;
.rotr s1[6+1], s2[6+1], s3[6+1], s4[6+1], d[2]
.rotp p[6+2]
0:
(p[0]) ld8.nta s1[0] = [r16], 8
(p[0]) ld8.nta s2[0] = [r17], 8
(p[6]) xor d[0] = s1[6], s2[6]
(p[0]) ld8.nta s3[0] = [r18], 8
(p[0]) ld8.nta s4[0] = [r19], 8
(p[6]) xor r20 = s3[6], s4[6]
;;
(p[6+1])st8.nta [r8] = d[1], 8
(p[6]) xor d[0] = d[0], r20
br.ctop.dptk.few 0b
;;
mov ar.lc = r30
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_4)
EXPORT_SYMBOL(xor_ia64_4)
GLOBAL_ENTRY(xor_ia64_5)
.prologue
.fframe 0
.save ar.pfs, r31
alloc r31 = ar.pfs, 6, 0, 34, 40
.save ar.lc, r30
mov r30 = ar.lc
.save pr, r29
mov r29 = pr
;;
.body
mov r8 = in1
mov ar.ec = 6 + 2
shr in0 = in0, 3
;;
adds in0 = -1, in0
mov r16 = in1
mov r17 = in2
;;
mov r18 = in3
mov ar.lc = in0
mov pr.rot = 1 << 16
mov r19 = in4
mov r20 = in5
;;
.rotr s1[6+1], s2[6+1], s3[6+1], s4[6+1], s5[6+1], d[2]
.rotp p[6+2]
0:
(p[0]) ld8.nta s1[0] = [r16], 8
(p[0]) ld8.nta s2[0] = [r17], 8
(p[6]) xor d[0] = s1[6], s2[6]
(p[0]) ld8.nta s3[0] = [r18], 8
(p[0]) ld8.nta s4[0] = [r19], 8
(p[6]) xor r21 = s3[6], s4[6]
;;
(p[0]) ld8.nta s5[0] = [r20], 8
(p[6+1])st8.nta [r8] = d[1], 8
(p[6]) xor d[0] = d[0], r21
;;
(p[6]) xor d[0] = d[0], s5[6]
nop.f 0
br.ctop.dptk.few 0b
;;
mov ar.lc = r30
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_5)
EXPORT_SYMBOL(xor_ia64_5)