On Tue, Oct 24, 2023, 08:23 Martin Storsjö <mar...@martin.st> wrote:
> Skip doing the whole getauxval(AT_HWCAP) if HWCAP_CPUID isn't > defined. > --- > libavutil/aarch64/cpu.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c > index bd780e8591..2b50c426bc 100644 > --- a/libavutil/aarch64/cpu.c > +++ b/libavutil/aarch64/cpu.c > @@ -30,11 +30,9 @@ > static int detect_flags(void) > { > int flags = 0; > - unsigned long hwcap; > - > - hwcap = getauxval(AT_HWCAP); > > #if defined(HWCAP_CPUID) > + unsigned long hwcap = getauxval(AT_HWCAP); > // We can check for DOTPROD and I8MM using HWCAP_ASIMDDP and > // HWCAP2_I8MM too, avoiding to read the CPUID registers (which > triggers > // a trap, handled by the kernel). However the HWCAP_* defines for > these > @@ -53,8 +51,6 @@ static int detect_flags(void) > if (((tmp >> 52) & 0xf) == 0x1) > flags |= AV_CPU_FLAG_I8MM; > } > -#else > - (void)hwcap; > #endif > > return flags; > -- > 2.34.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > Good call, and LGTM. -- Sean McGovern > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".