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Diffstat (limited to 'gcc-4.9/gcc/tree-core.h')
-rw-r--r-- | gcc-4.9/gcc/tree-core.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/tree-core.h b/gcc-4.9/gcc/tree-core.h index bb89feee1..77dca9683 100644 --- a/gcc-4.9/gcc/tree-core.h +++ b/gcc-4.9/gcc/tree-core.h @@ -766,6 +766,16 @@ struct GTY(()) tree_base { int length; /* SSA version number. This field is only used with SSA_NAME. */ unsigned int version; + + /* The following two fields are used for MEM_REF and TARGET_MEM_REF + expression trees and specify known data non-dependences. For + two memory references in a function they are known to not + alias if dependence_info.clique are equal and dependence_info.base + are distinct. */ + struct { + unsigned short clique; + unsigned short base; + } dependence_info; } GTY((skip(""))) u; }; |