diff --git a/llvm/utils/kate/llvm.xml b/llvm/utils/kate/llvm.xml
--- a/llvm/utils/kate/llvm.xml
+++ b/llvm/utils/kate/llvm.xml
@@ -105,7 +105,8 @@
       <item> fp128 </item>
       <item> x86_fp80 </item>
       <item> ppc_fp128 </item>
-      <item> x86mmx </item>
+      <item> x86_mmx </item>
+      <item> x86_amx </item>
       <item> void </item>
       <item> label </item>
       <item> metadata </item>
diff --git a/llvm/utils/llvm.grm b/llvm/utils/llvm.grm
--- a/llvm/utils/llvm.grm
+++ b/llvm/utils/llvm.grm
@@ -193,7 +193,7 @@
 GlobalVarAttribute  ::= SectionString | align EUINT64VAL ;
 
 PrimType ::= INTTYPE | float | double | "ppc_fp128" | fp128 | "x86_fp80"
-          | - label ;
+          | "x86_mmx" | "x86_amx" | - label ;
 
 Types
   ::= opaque
diff --git a/llvm/utils/vim/syntax/llvm.vim b/llvm/utils/vim/syntax/llvm.vim
--- a/llvm/utils/vim/syntax/llvm.vim
+++ b/llvm/utils/vim/syntax/llvm.vim
@@ -15,7 +15,7 @@
 " Types also include struct, array, vector, etc. but these don't
 " benefit as much from having dedicated highlighting rules.
 syn keyword llvmType void half bfloat float double x86_fp80 fp128 ppc_fp128
-syn keyword llvmType label metadata x86_mmx
+syn keyword llvmType label metadata x86_mmx x86_amx
 syn keyword llvmType type label opaque token
 syn match   llvmType /\<i\d\+\>/
 
diff --git a/llvm/utils/vscode/llvm/syntaxes/ll.tmLanguage.yaml b/llvm/utils/vscode/llvm/syntaxes/ll.tmLanguage.yaml
--- a/llvm/utils/vscode/llvm/syntaxes/ll.tmLanguage.yaml
+++ b/llvm/utils/vscode/llvm/syntaxes/ll.tmLanguage.yaml
@@ -22,6 +22,7 @@
             \\blabel\\b|\
             \\bmetadata\\b|\
             \\bx86_mmx\\b|\
+            \\bx86_amx\\b|\
             \\btype\\b|\
             \\blabel\\b|\
             \\bopaque\\b|\