On Thu, 7 Jul 2011, Martin Jambor wrote:
> Hi,
>
> in order to better analyze what SRA is or is not doing, it is
> sometimes advantageous to have in the dump information that a
> structure was not subject to total scalarization because it was too
> big - if we have detailed dumping on, that is.
>
> This is accomplished by the patch below. It is currently undergoing a
> bootstrap and testsuite run on x86_64-linux. OK if it passes?
Ok.
Thanks,
Richard.
> Thanks,
>
> Martin
>
>
> 2011-07-07 Martin Jambor <mjam...@suse.cz>
>
> * tree-sra.c (analyze_all_variable_accesses): Dump that a struture
> is too big for total scalarization.
>
> Index: src/gcc/tree-sra.c
> ===================================================================
> *** src.orig/gcc/tree-sra.c
> --- src/gcc/tree-sra.c
> *************** analyze_all_variable_accesses (void)
> *** 2312,2327 ****
> tree var = referenced_var (i);
>
> if (TREE_CODE (var) == VAR_DECL
> - && ((unsigned) tree_low_cst (TYPE_SIZE (TREE_TYPE (var)), 1)
> - <= max_total_scalarization_size)
> && type_consists_of_records_p (TREE_TYPE (var)))
> {
> ! completely_scalarize_var (var);
> ! if (dump_file && (dump_flags & TDF_DETAILS))
> {
> ! fprintf (dump_file, "Will attempt to totally scalarize ");
> print_generic_expr (dump_file, var, 0);
> ! fprintf (dump_file, " (UID: %u): \n", DECL_UID (var));
> }
> }
> }
> --- 2312,2335 ----
> tree var = referenced_var (i);
>
> if (TREE_CODE (var) == VAR_DECL
> && type_consists_of_records_p (TREE_TYPE (var)))
> {
> ! if ((unsigned) tree_low_cst (TYPE_SIZE (TREE_TYPE (var)), 1)
> ! <= max_total_scalarization_size)
> ! {
> ! completely_scalarize_var (var);
> ! if (dump_file && (dump_flags & TDF_DETAILS))
> ! {
> ! fprintf (dump_file, "Will attempt to totally scalarize ");
> ! print_generic_expr (dump_file, var, 0);
> ! fprintf (dump_file, " (UID: %u): \n", DECL_UID (var));
> ! }
> ! }
> ! else if (dump_file && (dump_flags & TDF_DETAILS))
> {
> ! fprintf (dump_file, "Too big to totally scalarize: ");
> print_generic_expr (dump_file, var, 0);
> ! fprintf (dump_file, " (UID: %u)\n", DECL_UID (var));
> }
> }
> }
>
>
--
Richard Guenther <rguent...@suse.de>
Novell / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer
