xref: /linux/lib/raid/xor/arm/xor-neon.c (revision 440d6635b20037bc9ad46b20817d7b61cef0fc1b)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
4  */
5 
6 #include "xor_impl.h"
7 #include "xor_arch.h"
8 
9 #ifndef __ARM_NEON__
10 #error You should compile this file with '-march=armv7-a -mfloat-abi=softfp -mfpu=neon'
11 #endif
12 
13 /*
14  * Pull in the reference implementations while instructing GCC (through
15  * -ftree-vectorize) to attempt to exploit implicit parallelism and emit
16  * NEON instructions. Clang does this by default at O2 so no pragma is
17  * needed.
18  */
19 #ifdef CONFIG_CC_IS_GCC
20 #pragma GCC optimize "tree-vectorize"
21 #endif
22 
23 #define NO_TEMPLATE
24 #include "../xor-8regs.c"
25 
26 __DO_XOR_BLOCKS(neon_inner, xor_8regs_2, xor_8regs_3, xor_8regs_4, xor_8regs_5);
27