diff --git a/clang/lib/Headers/cmpccxaddintrin.h b/clang/lib/Headers/cmpccxaddintrin.h
--- a/clang/lib/Headers/cmpccxaddintrin.h
+++ b/clang/lib/Headers/cmpccxaddintrin.h
@@ -8,7 +8,8 @@
  *===-----------------------------------------------------------------------===
  */
 #ifndef __IMMINTRIN_H
-#error "Never use <cmpccxaddintrin.h> directly; include <immintrin.h> instead."
+#error                                                                         \
+    "Never use <cmpccxaddintrin.h> directly; include <x86gprintrin.h> instead."
 #endif // __IMMINTRIN_H
 
 #ifndef __CMPCCXADDINTRIN_H
diff --git a/clang/lib/Headers/immintrin.h b/clang/lib/Headers/immintrin.h
--- a/clang/lib/Headers/immintrin.h
+++ b/clang/lib/Headers/immintrin.h
@@ -528,11 +528,6 @@
 #include <amxfp16intrin.h>
 #endif
 
-#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
-    defined(__CMPCCXADD__)
-#include <cmpccxaddintrin.h>
-#endif
-
 #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
     defined(__KL__) || defined(__WIDEKL__)
 #include <keylockerintrin.h>
diff --git a/clang/lib/Headers/x86gprintrin.h b/clang/lib/Headers/x86gprintrin.h
--- a/clang/lib/Headers/x86gprintrin.h
+++ b/clang/lib/Headers/x86gprintrin.h
@@ -35,6 +35,11 @@
 #include <raointintrin.h>
 #endif
 
+#if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||      \
+    defined(__CMPCCXADD__)
+#include <cmpccxaddintrin.h>
+#endif
+
 #if defined(__i386__)
 #define __SAVE_GPRBX "mov {%%ebx, %%eax |eax, ebx};"
 #define __RESTORE_GPRBX "mov {%%eax, %%ebx |ebx, eax};"