diff --git a/src/intrinsic/llvm.rs b/src/intrinsic/llvm.rs
index 3b9855ddc18..2d7bb8a2d54 100644
--- a/src/intrinsic/llvm.rs
+++ b/src/intrinsic/llvm.rs
@@ -185,7 +185,10 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>(
             | "__builtin_ia32_vplzcntq_128_mask"
             | "__builtin_ia32_cvtqq2pd128_mask"
             | "__builtin_ia32_cvtqq2pd256_mask"
-            | "__builtin_ia32_cvtqq2ps256_mask" => {
+            | "__builtin_ia32_cvtqq2ps256_mask"
+            | "__builtin_ia32_cvtuqq2pd128_mask"
+            | "__builtin_ia32_cvtuqq2pd256_mask"
+            | "__builtin_ia32_cvtuqq2ps256_mask" => {
                 let mut new_args = args.to_vec();
                 // Remove last arg as it doesn't seem to be used in GCC and is always false.
                 new_args.pop();
@@ -381,7 +384,8 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>(
                 );
                 args = vec![arg.get_address(None)].into();
             }
-            "__builtin_ia32_cvtqq2pd512_mask" | "__builtin_ia32_cvtqq2ps512_mask" => {
+            "__builtin_ia32_cvtqq2pd512_mask" | "__builtin_ia32_cvtqq2ps512_mask" | "__builtin_ia32_cvtuqq2pd512_mask" |
+                "__builtin_ia32_cvtuqq2ps512_mask" => {
                 let mut old_args = args.to_vec();
                 let mut new_args = vec![];
                 new_args.push(old_args.swap_remove(0));
@@ -493,6 +497,11 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>(
                 let new_args = args.to_vec();
                 args = vec![new_args[1], new_args[0], new_args[2]].into();
             }
+            "__builtin_ia32_rangesd128_mask_round" | "__builtin_ia32_rangess128_mask_round"
+                | "__builtin_ia32_reducesd_mask_round" => {
+                let new_args = args.to_vec();
+                args = vec![new_args[0], new_args[1], new_args[4], new_args[2], new_args[3], new_args[5]].into();
+            }
             _ => (),
         }
     }
@@ -1031,6 +1040,14 @@ pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function
         "llvm.x86.avx512.sitofp.round.v4f64.v4i64" => "__builtin_ia32_cvtqq2pd256_mask",
         "llvm.x86.avx512.sitofp.round.v8f32.v8i64" => "__builtin_ia32_cvtqq2ps512_mask",
         "llvm.x86.avx512.sitofp.round.v4f32.v4i64" => "__builtin_ia32_cvtqq2ps256_mask",
+        "llvm.x86.avx512.uitofp.round.v8f64.v8u64" => "__builtin_ia32_cvtuqq2pd512_mask",
+        "llvm.x86.avx512.uitofp.round.v2f64.v2u64" => "__builtin_ia32_cvtuqq2pd128_mask",
+        "llvm.x86.avx512.uitofp.round.v4f64.v4u64" => "__builtin_ia32_cvtuqq2pd256_mask",
+        "llvm.x86.avx512.uitofp.round.v8f32.v8u64" => "__builtin_ia32_cvtuqq2ps512_mask",
+        "llvm.x86.avx512.uitofp.round.v4f32.v4u64" => "__builtin_ia32_cvtuqq2ps256_mask",
+        "llvm.x86.avx512.mask.reduce.pd.512" => "__builtin_ia32_reducepd512_mask_round",
+        "llvm.x86.avx512.mask.reduce.ps.512" => "__builtin_ia32_reduceps512_mask_round",
+        "llvm.x86.avx512.mask.reduce.sd" => "__builtin_ia32_reducesd_mask_round",
 
         // NOTE: this file is generated by https://github.com/GuillaumeGomez/llvmint/blob/master/generate_list.py
         _ => include!("archs.rs"),