---
libavutil/aarch64/cpu.c | 25 +++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)
diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c
index 7a05391343..196bdaf6b0 100644
--- a/libavutil/aarch64/cpu.c
+++ b/libavutil/aarch64/cpu.c
@@ -45,22 +45,23 @@ static int detect_flags(void)
#elif defined(__APPLE__) && HAVE_SYSCTLBYNAME
#include <sys/sysctl.h>
+static int have_feature(const char *feature) {
+ uint32_t value = 0;
+ size_t size = sizeof(value);
+ if (!sysctlbyname(feature, &value, &size, NULL, 0))
+ return value;
+ return 0;
+}
+
static int detect_flags(void)
{
- uint32_t value = 0;
- size_t size;
int flags = 0;
- size = sizeof(value);
- if (!sysctlbyname("hw.optional.arm.FEAT_DotProd", &value, &size, NULL, 0))
{
- if (value)
- flags |= AV_CPU_FLAG_DOTPROD;
- }
- size = sizeof(value);
- if (!sysctlbyname("hw.optional.arm.FEAT_I8MM", &value, &size, NULL, 0)) {
- if (value)
- flags |= AV_CPU_FLAG_I8MM;
- }
+ if (have_feature("hw.optional.arm.FEAT_DotProd"))
+ flags |= AV_CPU_FLAG_DOTPROD;
+ if (have_feature("hw.optional.arm.FEAT_I8MM"))
+ flags |= AV_CPU_FLAG_I8MM;
+
return flags;
}
--
2.34.1
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