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comparison src/cpu/x86/vm/x86_64.ad @ 14439:50fdb38839eb

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8028515: PPPC64 (part 113.2): opto: Introduce LoadFence/StoreFence. Summary: Use new nodes for loadFence/storeFence intrinsics in C2. Reviewed-by: kvn, dholmes
author goetz
date Tue, 26 Nov 2013 18:38:19 -0800
parents 044b28168e20
children 45467c53f178
comparison
equal deleted inserted replaced
14438:4cdf4f71177d 14439:50fdb38839eb
6343 // Memory barrier flavors 6343 // Memory barrier flavors
6344 6344
6345 instruct membar_acquire() 6345 instruct membar_acquire()
6346 %{ 6346 %{
6347 match(MemBarAcquire); 6347 match(MemBarAcquire);
6348 match(LoadFence);
6348 ins_cost(0); 6349 ins_cost(0);
6349 6350
6350 size(0); 6351 size(0);
6351 format %{ "MEMBAR-acquire ! (empty encoding)" %} 6352 format %{ "MEMBAR-acquire ! (empty encoding)" %}
6352 ins_encode(); 6353 ins_encode();
6365 %} 6366 %}
6366 6367
6367 instruct membar_release() 6368 instruct membar_release()
6368 %{ 6369 %{
6369 match(MemBarRelease); 6370 match(MemBarRelease);
6371 match(StoreFence);
6370 ins_cost(0); 6372 ins_cost(0);
6371 6373
6372 size(0); 6374 size(0);
6373 format %{ "MEMBAR-release ! (empty encoding)" %} 6375 format %{ "MEMBAR-release ! (empty encoding)" %}
6374 ins_encode(); 6376 ins_encode();