1 // SPDX-License-Identifier: GPL-2.0-only 1
2 /*
3 * linux/arch/arm/lib/xor-neon.c
4 *
5 * Copyright (C) 2013 Linaro Ltd <ard.biesheuv
6 */
7
8 #include <linux/raid/xor.h>
9 #include <linux/module.h>
10
11 MODULE_DESCRIPTION("NEON accelerated XOR imple
12 MODULE_LICENSE("GPL");
13
14 #ifndef __ARM_NEON__
15 #error You should compile this file with '-mar
16 #endif
17
18 /*
19 * Pull in the reference implementations while
20 * -ftree-vectorize) to attempt to exploit imp
21 * NEON instructions. Clang does this by defau
22 * needed.
23 */
24 #ifdef CONFIG_CC_IS_GCC
25 #pragma GCC optimize "tree-vectorize"
26 #endif
27
28 #pragma GCC diagnostic ignored "-Wunused-varia
29 #include <asm-generic/xor.h>
30
31 struct xor_block_template const xor_block_neon
32 .name = "__inner_neon__",
33 .do_2 = xor_8regs_2,
34 .do_3 = xor_8regs_3,
35 .do_4 = xor_8regs_4,
36 .do_5 = xor_8regs_5,
37 };
38 EXPORT_SYMBOL(xor_block_neon_inner);
39
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