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diff src/share/vm/opto/lcm.cpp @ 20311:b1bc1af04c6e

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8052081: Optimize generated by C2 code for Intel's Atom processor Summary: Allow to execute vectorization and crc32 optimization on Atom. Enable UseFPUForSpilling by default on x86. Reviewed-by: roland
author kvn
date Tue, 05 Aug 2014 15:02:10 -0700
parents 62c54fcc0a35
children 7024b693c8f9
line wrap: on
line diff
--- a/src/share/vm/opto/lcm.cpp	Tue Aug 12 15:17:46 2014 +0000
+++ b/src/share/vm/opto/lcm.cpp	Tue Aug 05 15:02:10 2014 -0700
@@ -484,7 +484,9 @@
         iop == Op_CreateEx ||   // Create-exception must start block
         iop == Op_CheckCastPP
         ) {
-      worklist.map(i,worklist.pop());
+      // select the node n
+      // remove n from worklist and retain the order of remaining nodes
+      worklist.remove((uint)i);
       return n;
     }
 
@@ -570,7 +572,9 @@
   assert(idx >= 0, "index should be set");
   Node *n = worklist[(uint)idx];      // Get the winner
 
-  worklist.map((uint)idx, worklist.pop());     // Compress worklist
+  // select the node n
+  // remove n from worklist and retain the order of remaining nodes
+  worklist.remove((uint)idx);
   return n;
 }