Mercurial > hg > graal-jvmci-8

comparison src/cpu/x86/vm/x86_64.ad @ 4763:1dc233a8c7fe

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7121140: Allocation paths require explicit memory synchronization operations for RMO systems Summary: adds store store barrier after initialization of header and body of objects. Reviewed-by: never, kvn
author roland
date Tue, 20 Dec 2011 16:56:50 +0100
parents 069ab3f976d3
children e9a5e0a812c8
comparison
equal deleted inserted replaced
4762:069ab3f976d3 4763:1dc233a8c7fe
6808 format %{ "MEMBAR-volatile (unnecessary so empty encoding)" %} 6808 format %{ "MEMBAR-volatile (unnecessary so empty encoding)" %}
6809 ins_encode(); 6809 ins_encode();
6810 ins_pipe(empty); 6810 ins_pipe(empty);
6811 %} 6811 %}
6812 6812
6813 instruct membar_storestore() %{
6814 match(MemBarStoreStore);
6815 ins_cost(0);
6816
6817 size(0);
6818 format %{ "MEMBAR-storestore (empty encoding)" %}
6819 ins_encode( );
6820 ins_pipe(empty);
6821 %}
6822
6813 //----------Move Instructions-------------------------------------------------- 6823 //----------Move Instructions--------------------------------------------------
6814 6824
6815 instruct castX2P(rRegP dst, rRegL src) 6825 instruct castX2P(rRegP dst, rRegL src)
6816 %{ 6826 %{
6817 match(Set dst (CastX2P src)); 6827 match(Set dst (CastX2P src));