src/hotspot/share/opto/output.cpp

rev 48394 : [RFC] MachSpillCopy peephole
Enable OptoPeephole by default on AArch64.
Add manually defined peephole() method for MachSpillCopy node.

@@ -149,10 +149,17 @@
 
   if (failing())  {
     return;
   }
 
+  // Apply peephole optimizations
+  if( OptoPeephole ) {
+    TracePhase tp("peephole", &timers[_t_peephole]);
+    PhasePeephole peep( _regalloc, *_cfg);
+    peep.do_transform();
+  }
+
   fill_buffer(cb, blk_starts);
 }
 
 bool Compile::need_stack_bang(int frame_size_in_bytes) const {
   // Determine if we need to generate a stack overflow check.