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PR middle-end/22156
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index da8aaf6..906135b 100644 (file)
@@ -1,3 +1,49 @@
+2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
+
+       PR middle-end/22156
+       Temporarily revert:
+       2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
+        * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
+       2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
+       * tree-sra.c (try_instantiate_multiple_fields): Needlessly
+       initialize align to silence bogus warning.
+       2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
+       * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
+       all_no_warning.
+       (struct sra_walk_fns): Remove use_all parameter from use.
+       (sra_hash_tree): Handle BIT_FIELD_REFs.
+       (sra_elt_hash): Don't hash bitfld blocks.
+       (sra_elt_eq): Skip them in parent compares as well.  Handle
+       BIT_FIELD_REFs.
+       (sra_walk_expr): Don't maintain or pass down use_all_p.
+       (scan_use): Remove use_all parameter.
+       (scalarize_use): Likewise.  Re-expand assignment to
+       BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
+       output, and re-scalarize after output.  Don't mark anything
+       for no warning.
+       (scalarize_ldst): Adjust.
+       (scalarize_walk_gimple_modify_statement): Likewise.
+       (build_element_name_1): Handle BIT_FIELD_REFs.
+       (instantiate_element): Don't warn for any element whose parent
+       is used as a whole.
+       (instantiate_missing_elements_1): Return the sra_elt.
+       (canon_type_for_field): New.
+       (try_instantiate_multiple_fields): New.
+       (instantiate_missing_elemnts): Use them.
+       (mark_no_warning): Removed.
+       (generate_one_element_ref): Handle BIT_FIELD_REFs.
+       (REPLDUP, sra_build_elt_assignment): New.
+       (generate_copy_inout): Use them.
+       (generate_element_copy): Likewise.  Handle bitfld differences.
+       (generate_element_zero): Don't recurse for blocks.  Use
+       sra_build_elt_assignment.
+       (generate_one_element_int): Take elt instead of var.  Use
+       sra_build_elt_assignment.
+       (generate_element_init_1): Adjust.
+       (scalarize_use, scalarize_copy): Use REPLDUP.
+       (scalarize_ldst): Move assert before dereference.
+       (dump_sra_elt_name): Handle BIT_FIELD_REFs.
+
 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
        PR C++/31721