diff --git a/src/etc/platform-intrinsics/x86/avx.json b/src/etc/platform-intrinsics/x86/avx.json
index 2c1492c2954..981838536b2 100644
--- a/src/etc/platform-intrinsics/x86/avx.json
+++ b/src/etc/platform-intrinsics/x86/avx.json
@@ -8,6 +8,13 @@
             "ret": "f(32-64)",
             "args": ["0", "0"]
         },
+        {
+            "intrinsic": "256_broadcast_{0.data_type}",
+            "width": [256],
+            "llvm": "vbroadcastf128.{0.data_type}.256",
+            "ret": "f(32-64)",
+            "args": ["s8SPc"]
+        },
         {
             "intrinsic": "256_dp_ps",
             "width": [256],