1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* simd-common-riscv.h - Common macros for RISC-V vector code
*
* Copyright (C) 2025 Jussi Kivilinna <jussi.kivilinna@iki.fi>
*
* This file is part of Libgcrypt.
*
* Libgcrypt is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Libgcrypt is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GCRY_SIMD_COMMON_RISCV_H
#define GCRY_SIMD_COMMON_RISCV_H
#include <config.h>
#define memory_barrier_with_vec(a) __asm__("" : "+vr"(a) :: "memory")
#define clear_vec_regs() __asm__ volatile("vsetvli zero, %0, e8, m1, ta, ma;\n" \
"vmv.v.i v0, 0;\n" \
"vmv.v.i v1, 0;\n" \
"vmv2r.v v2, v0;\n" \
"vmv4r.v v4, v0;\n" \
"vmv8r.v v8, v0;\n" \
"vmv8r.v v16, v0;\n" \
"vmv8r.v v24, v0;\n" \
: \
: "r" (~0) \
: "memory", "vl", "vtype", \
"v0", "v1", "v2", "v3", \
"v4", "v5", "v6", "v7", \
"v8", "v9", "v10", "v11", \
"v12", "v13", "v14", "v15", \
"v16", "v17", "v18", "v19", \
"v20", "v21", "v22", "v23", \
"v24", "v25", "v26", "v27", \
"v28", "v29", "v30", "v31")
#endif /* GCRY_SIMD_COMMON_RISCV_H */
|
