diff --git a/openmp/runtime/cmake/LibompHandleFlags.cmake b/openmp/runtime/cmake/LibompHandleFlags.cmake
--- a/openmp/runtime/cmake/LibompHandleFlags.cmake
+++ b/openmp/runtime/cmake/LibompHandleFlags.cmake
@@ -163,8 +163,10 @@
   set(gdflags_local)
   if(${IA32})
     set(libomp_gdflag_arch arch_32)
+    libomp_append(gdflags_local "-D IS_IA_ARCH")
   elseif(${INTEL64})
     set(libomp_gdflag_arch arch_32e)
+    libomp_append(gdflags_local "-D IS_IA_ARCH")
   else()
     set(libomp_gdflag_arch arch_${LIBOMP_ARCH})
   endif()
diff --git a/openmp/runtime/src/dllexports b/openmp/runtime/src/dllexports
--- a/openmp/runtime/src/dllexports
+++ b/openmp/runtime/src/dllexports
@@ -688,11 +688,12 @@
     __kmpc_atomic_fixed2_eqv               2078
     __kmpc_atomic_fixed4_eqv               2079
     __kmpc_atomic_fixed8_eqv               2080
-
+    %ifdef IS_IA_ARCH
     __kmpc_atomic_float10_add              2081
     __kmpc_atomic_float10_sub              2082
     __kmpc_atomic_float10_mul              2083
     __kmpc_atomic_float10_div              2084
+    %endif
 
     __kmpc_atomic_cmplx4_add               2085
     __kmpc_atomic_cmplx4_sub               2086
@@ -702,10 +703,12 @@
     __kmpc_atomic_cmplx8_sub               2090
     __kmpc_atomic_cmplx8_mul               2091
     __kmpc_atomic_cmplx8_div               2092
+    %ifdef IS_IA_ARCH
     __kmpc_atomic_cmplx10_add              2093
     __kmpc_atomic_cmplx10_sub              2094
     __kmpc_atomic_cmplx10_mul              2095
     __kmpc_atomic_cmplx10_div              2096
+    %endif
     %ifdef HAVE_QUAD
     __kmpc_atomic_cmplx16_add              2097
     __kmpc_atomic_cmplx16_sub              2098
@@ -753,11 +756,13 @@
     __kmpc_atomic_float8_mul_fp            2133
     __kmpc_atomic_float8_div_fp            2134
 
+    %ifdef IS_IA_ARCH
     __kmpc_atomic_float10_add_fp           2135
     __kmpc_atomic_float10_sub_fp           2136
     __kmpc_atomic_float10_mul_fp           2137
     __kmpc_atomic_float10_div_fp           2138
     %endif
+    %endif
 
     __kmpc_atomic_fixed1_mul_float8        2169
     __kmpc_atomic_fixed1_div_float8        2170
@@ -785,9 +790,13 @@
     __kmpc_atomic_2                        2248
    #__kmpc_atomic_4                    # declared above #100
    #__kmpc_atomic_8                    # declared above #101
+    %ifdef IS_IA_ARCH
     __kmpc_atomic_10                       2251
+    %endif
     __kmpc_atomic_16                       2252
+    %ifdef IS_IA_ARCH
     __kmpc_atomic_20                       2253
+    %endif
     __kmpc_atomic_32                       2254
 
     %ifdef arch_32
@@ -809,8 +818,7 @@
     %endif
 
     # These are specific to x86 and x64
-    %ifndef arch_64
-    %ifndef arch_aarch64
+    %ifdef IS_IA_ARCH
 
         # ATOMIC extensions for OpenMP 3.1 spec (x86 and x64 only)
 
@@ -1214,8 +1222,7 @@
             __kmpc_atomic_float10_div_cpt_rev_fp
             %endif
 
-    %endif   # arch_aarch64
-    %endif   # arch_64
+    %endif   # IS_IA_ARCH
 
     %ifdef HAVE_QUAD
     __kmpc_atomic_fixed1u_add_fp
@@ -1233,8 +1240,10 @@
     %endif
 
     # OpenMP 5.1 atomics
+    %ifdef IS_IA_ARCH
     __kmpc_atomic_float10_max              2139
     __kmpc_atomic_float10_min              2140
+    %endif
     __kmpc_atomic_float10_max_cpt          2141
     __kmpc_atomic_float10_min_cpt          2142