PR/14362

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c1df556..6707f58 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,28 @@
 2004-03-11  Josef Zlomek  <zlomekj@suse.cz>
 
+       PR/14362
+       * var-tracking.c (struct variable_def): Added field refcount.
+       (variable_htab_free): Decrease the refcount and delete variable
+       only if there are no more references.
+       (unshare_variable): New function.
+       (vars_copy_1): Increase refcount instead of copying the variable.
+       (variable_union): Share the variables where possible, unshare
+       the variables if needed.
+       (variable_different_p): Return false if var1 and var2 are
+       the same structure.
+       (variable_was_changed): Init the refcount of new variable.
+       (set_frame_base_location): Unshare variable if needed.
+       (set_variable_part): Init the refcount of new variable.
+       Unshare the variables if needed.
+       (delete_variable_part): Unshare the variables if needed. 
+       (emit_notes_for_differences_1): Init the refcount of new variable.
+       (vt_add_function_parameters): Do not add function parameters to
+       IN set of ENTRY_BLOCK_PTR because it is unused anyway.
+       (vt_initialize): Do not add frame_base_decl to IN set of
+       ENTRY_BLOCK_PTR because it is unused anyway.
+
+2004-03-11  Josef Zlomek  <zlomekj@suse.cz>
+
        * var-tracking.c (vars_copy_1): Cleanup and speedup chain operations.
        (vars_copy): Likewise.
        (variable_union): Likewise.