162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * linux/arch/arm/lib/xor-neon.c 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org> 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <linux/raid/xor.h> 962306a36Sopenharmony_ci#include <linux/module.h> 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ciMODULE_LICENSE("GPL"); 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci#ifndef __ARM_NEON__ 1462306a36Sopenharmony_ci#error You should compile this file with '-march=armv7-a -mfloat-abi=softfp -mfpu=neon' 1562306a36Sopenharmony_ci#endif 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci/* 1862306a36Sopenharmony_ci * Pull in the reference implementations while instructing GCC (through 1962306a36Sopenharmony_ci * -ftree-vectorize) to attempt to exploit implicit parallelism and emit 2062306a36Sopenharmony_ci * NEON instructions. Clang does this by default at O2 so no pragma is 2162306a36Sopenharmony_ci * needed. 2262306a36Sopenharmony_ci */ 2362306a36Sopenharmony_ci#ifdef CONFIG_CC_IS_GCC 2462306a36Sopenharmony_ci#pragma GCC optimize "tree-vectorize" 2562306a36Sopenharmony_ci#endif 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci#pragma GCC diagnostic ignored "-Wunused-variable" 2862306a36Sopenharmony_ci#include <asm-generic/xor.h> 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistruct xor_block_template const xor_block_neon_inner = { 3162306a36Sopenharmony_ci .name = "__inner_neon__", 3262306a36Sopenharmony_ci .do_2 = xor_8regs_2, 3362306a36Sopenharmony_ci .do_3 = xor_8regs_3, 3462306a36Sopenharmony_ci .do_4 = xor_8regs_4, 3562306a36Sopenharmony_ci .do_5 = xor_8regs_5, 3662306a36Sopenharmony_ci}; 3762306a36Sopenharmony_ciEXPORT_SYMBOL(xor_block_neon_inner); 38