Index: libomptarget/deviceRTLs/nvptx/src/interface.h
===================================================================
--- libomptarget/deviceRTLs/nvptx/src/interface.h
+++ libomptarget/deviceRTLs/nvptx/src/interface.h
@@ -491,6 +491,9 @@
 EXTERN void __kmpc_end_sharing_variables();
 EXTERN void __kmpc_get_shared_variables(void ***GlobalArgs);
 
+// SPMD execution mode interrogation function.
+EXTERN bool __kmpc_is_spmd_exec_mode();
+
 // The slot used for data sharing by the master and worker threads. We use a
 // complete (default size version and an incomplete one so that we allow sizes
 // greater than the default).
Index: libomptarget/deviceRTLs/nvptx/src/omptarget-nvptx.cu
===================================================================
--- libomptarget/deviceRTLs/nvptx/src/omptarget-nvptx.cu
+++ libomptarget/deviceRTLs/nvptx/src/omptarget-nvptx.cu
@@ -187,3 +187,8 @@
         omptarget_nvptx_threadPrivateContext);
   }
 }
+
+// Return true if the current target region is executed in SPMD mode.
+EXTERN bool __kmpc_is_spmd_exec_mode(){
+  return isSPMDMode();
+}
\ No newline at end of file