diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 48671b4..417422d 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -2807,6 +2807,10 @@
   case X86::BI__builtin_ia32_fpclassss_mask:
     i = 1; l = 0; u = 255;
     break;
+  case X86::BI__builtin_ia32_vperm2f128_pd256:
+  case X86::BI__builtin_ia32_vperm2f128_ps256:
+  case X86::BI__builtin_ia32_vperm2f128_si256:
+  case X86::BI__builtin_ia32_permti256:
   case X86::BI__builtin_ia32_pblendw128:
   case X86::BI__builtin_ia32_pblendw256:
   case X86::BI__builtin_ia32_blendps256: