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| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/tree-gimple.c | 9 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index de26071..ac417a9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2004-12-14 Diego Novillo <dnovillo@redhat.com> + + * tree-gimple.c (get_base_address): Update documentation. + 2004-12-13 Richard Henderson <rth@redhat.com> PR middle-end/17930 diff --git a/gcc/tree-gimple.c b/gcc/tree-gimple.c index 935e5ae..61d2ec7 100644 --- a/gcc/tree-gimple.c +++ b/gcc/tree-gimple.c @@ -419,7 +419,14 @@ get_call_expr_in (tree t) return NULL_TREE; } -/* Given a memory reference expression T, return its base address. */ +/* Given a memory reference expression T, return its base address. + The base address of a memory reference expression is the main + object being referenced. For instance, the base address for + 'array[i].fld[j]' is 'array'. You can think of this as stripping + away the offset part from a memory address. + + This function calls handled_component_p to strip away all the inner + parts of the memory reference until it reaches the base object. */ tree get_base_address (tree t) |