[Openmp-commits] [PATCH] D52122: [OpenMP][libomptarget] Set the frame pointer then test empty slot condition

Gheorghe-Teodor Bercea via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Fri Sep 14 13:43:36 PDT 2018


gtbercea created this revision.
gtbercea added reviewers: ABataev, caomhin, Hahnfeld.
Herald added subscribers: openmp-commits, guansong.

NFC - just fixing a bug: the empty slot test was before the re-setting of the Stack pointer.


Repository:
  rOMP OpenMP

https://reviews.llvm.org/D52122

Files:
  libomptarget/deviceRTLs/nvptx/src/data_sharing.cu


Index: libomptarget/deviceRTLs/nvptx/src/data_sharing.cu
===================================================================
--- libomptarget/deviceRTLs/nvptx/src/data_sharing.cu
+++ libomptarget/deviceRTLs/nvptx/src/data_sharing.cu
@@ -465,13 +465,13 @@
     // Pointer to next available stack.
     void *&StackP = DataSharingState.StackPtr[WID];
 
+    // Pop the frame.
+    StackP = FrameStart;
+
     // If the current slot is empty, we need to free the slot after the
     // pop.
     bool SlotEmpty = (StackP == &SlotP->Data[0]);
 
-    // Pop the frame.
-    StackP = FrameStart;
-
     if (SlotEmpty && SlotP->Prev) {
       // Before removing the slot we need to reset StackP.
       StackP = SlotP->PrevSlotStackPtr;


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