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/* simd-common-riscv.h - Common macros for RISC-V vector code |
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* |
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* Copyright (C) 2025 Jussi Kivilinna <jussi.kivilinna@iki.fi> |
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* |
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* This file is part of Libgcrypt. |
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* |
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* Libgcrypt is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2.1 of |
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* the License, or (at your option) any later version. |
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* |
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* Libgcrypt is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this program; if not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef GCRY_SIMD_COMMON_RISCV_H |
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#define GCRY_SIMD_COMMON_RISCV_H |
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#include <config.h> |
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#define memory_barrier_with_vec(a) __asm__("" : "+vr"(a) :: "memory") |
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#define clear_vec_regs() __asm__ volatile("vsetvli zero, %0, e8, m1, ta, ma;\n" \ |
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"vmv.v.i v0, 0;\n" \ |
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"vmv.v.i v1, 0;\n" \ |
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"vmv2r.v v2, v0;\n" \ |
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"vmv4r.v v4, v0;\n" \ |
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"vmv8r.v v8, v0;\n" \ |
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"vmv8r.v v16, v0;\n" \ |
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"vmv8r.v v24, v0;\n" \ |
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: \ |
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: "r" (~0) \ |
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: "memory", "vl", "vtype", \ |
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"v0", "v1", "v2", "v3", \ |
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"v4", "v5", "v6", "v7", \ |
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"v8", "v9", "v10", "v11", \ |
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"v12", "v13", "v14", "v15", \ |
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"v16", "v17", "v18", "v19", \ |
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"v20", "v21", "v22", "v23", \ |
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"v24", "v25", "v26", "v27", \ |
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"v28", "v29", "v30", "v31") |
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#endif /* GCRY_SIMD_COMMON_RISCV_H */ |
