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8031188: Fix for 8029015: PPC64 (part 216): opto: trap based null and range checks
authorgoetz
Mon, 06 Jan 2014 11:02:21 +0100
changeset 22866 5e47c3568183
parent 22865 3b8857d7b3cc
child 22867 309bcf262a19
8031188: Fix for 8029015: PPC64 (part 216): opto: trap based null and range checks Summary: Swap the Projs in the block list so that the new block is added behind the proper node. Reviewed-by: kvn
hotspot/src/share/vm/opto/block.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/share/vm/opto/block.cpp	Fri Dec 20 13:51:14 2013 +0100
+++ b/hotspot/src/share/vm/opto/block.cpp	Mon Jan 06 11:02:21 2014 +0100
@@ -748,6 +748,11 @@
   block->_succs.map(0, get_block_for_node(proj_never ->raw_out(0)));   // The target of the trap.
   block->_succs.map(1, get_block_for_node(proj_always->raw_out(0)));   // The fall through target.
 
+  if (block->get_node(block->number_of_nodes() - block->_num_succs + 1) != proj_always) {
+    block->map_node(proj_never,  block->number_of_nodes() - block->_num_succs + 0);
+    block->map_node(proj_always, block->number_of_nodes() - block->_num_succs + 1);
+  }
+
   // Place the fall through block after this block.
   Block *bs1 = block->non_connector_successor(1);
   if (bs1 != bnext && move_to_next(bs1, block_pos)) {
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