This makes this aspect more visible in test logs.
Unified · Split
| @@ -4,3 +4,5 @@ OBJS += aarch64/cpu.o \ · 3 unmodified lines | |||
| 4 | 4 | ||
| 5 | NEON-OBJS += aarch64/float_dsp_neon.o \ | 5 | NEON-OBJS += aarch64/float_dsp_neon.o \ |
| 6 | aarch64/tx_float_neon.o \ | 6 | aarch64/tx_float_neon.o \ |
| 7 | |||
| 8 | SVE-OBJS += aarch64/cpu_sve.o \ | ||
| @@ -30,4 +30,8 @@ · 29 unmodified lines | |||
| 30 | #define have_sve(flags) CPUEXT(flags, SVE) | 30 | #define have_sve(flags) CPUEXT(flags, SVE) |
| 31 | #define have_sve2(flags) CPUEXT(flags, SVE2) | 31 | #define have_sve2(flags) CPUEXT(flags, SVE2) |
| 32 | 32 | ||
| 33 | #if HAVE_SVE | ||
| 34 | int ff_aarch64_sve_length(void); | ||
| 35 | #endif | ||
| 36 | |||
| 33 | #endif /* AVUTIL_AARCH64_CPU_H */ | 37 | #endif /* AVUTIL_AARCH64_CPU_H */ |
| @@ -0,0 +1,29 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2023 Martin Storsjo | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include "config.h" | ||
| 22 | #include "asm.S" | ||
| 23 | |||
| 24 | ENABLE_SVE | ||
| 25 | |||
| 26 | function ff_aarch64_sve_length, export=1 | ||
| 27 | cntb x0 | ||
| 28 | ret | ||
| 29 | endfunc | ||
| @@ -23,6 +23,10 @@ · 22 unmodified lines | |||
| 23 | #include "libavutil/cpu.h" | 23 | #include "libavutil/cpu.h" |
| 24 | #include "libavutil/avstring.h" | 24 | #include "libavutil/avstring.h" |
| 25 | 25 | ||
| 26 | #if ARCH_AARCH64 | ||
| 27 | #include "libavutil/aarch64/cpu.h" | ||
| 28 | #endif | ||
| 29 | |||
| 26 | #if HAVE_UNISTD_H | 30 | #if HAVE_UNISTD_H |
| 27 | #include <unistd.h> | 31 | #include <unistd.h> |
| 28 | #endif | 32 | #endif |
| @@ -161,6 +165,10 @@ int main(int argc, char **argv) · 132 unmodified lines | |||
| 161 | print_cpu_flags(cpu_flags_raw, "raw"); | 165 | print_cpu_flags(cpu_flags_raw, "raw"); |
| 162 | print_cpu_flags(cpu_flags_eff, "effective"); | 166 | print_cpu_flags(cpu_flags_eff, "effective"); |
| 163 | printf("threads = %s (cpu_count = %d)\n", threads, cpu_count); | 167 | printf("threads = %s (cpu_count = %d)\n", threads, cpu_count); |
| 168 | #if ARCH_AARCH64 | ||
| 169 | if (cpu_flags_raw & AV_CPU_FLAG_SVE) | ||
| 170 | printf("sve_vector_length = %d\n", 8 * ff_aarch64_sve_length()); | ||
| 171 | #endif | ||
| 164 | 172 | ||
| 165 | return 0; | 173 | return 0; |
| 166 | } | 174 | } |