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changeset 125:d942c7e64bd9

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6601321: Assert(j == 1 || b->_nodes[j-1]->is_Phi(),"CreateEx must be first instruction in block") Reviewed-by: kvn, rasbold, sgoldman, jrose
author never
date Wed, 23 Apr 2008 13:57:14 -0700
parents b130b98db9cf
children 72f4a668df19
files src/share/vm/opto/lcm.cpp
diffstat 1 files changed, 4 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/opto/lcm.cpp	Wed Apr 23 11:20:36 2008 -0700
+++ b/src/share/vm/opto/lcm.cpp	Wed Apr 23 13:57:14 2008 -0700
@@ -629,6 +629,10 @@
         // of the phi to be scheduled first. The select() method breaks
         // ties in scheduling by worklist order.
         delay.push(m);
+      } else if (m->is_Mach() && m->as_Mach()->ideal_Opcode() == Op_CreateEx) {
+        // Force the CreateEx to the top of the list so it's processed
+        // first and ends up at the start of the block.
+        worklist.insert(0, m);
       } else {
         worklist.push(m);         // Then on to worklist!
       }