1 files changed, 7 insertions, 0 deletions
diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c
index 81bb15a0a4..174515f68d 100644
--- a/libavutil/x86/cpu.c
+++ b/libavutil/x86/cpu.c
@@ -134,6 +134,13 @@ int ff_get_cpu_flags_x86(void)
             if ((eax & 0x6) == 0x6)
                 rval |= AV_CPU_FLAG_AVX;
         }
+    if (HAVE_AVX2 && max_std_level >= 7)
+    {
+        cpuid(7, eax, ebx, ecx, edx);
+        if (ebx&0x00000020)
+            rval |= AV_CPU_FLAG_AVX2;
+        /* TODO: BMI1/2 */
+    }
 #endif /* HAVE_AVX */
 #endif /* HAVE_SSE */
     }