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[Bug fortran/81827] Large compile time with derived-type rrays
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 17 Aug 2017 10:04:36 +0000
- Subject: [Bug fortran/81827] Large compile time with derived-type rrays
- Auto-submitted: auto-generated
- References: <bug-81827-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81827
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Aug 17 10:04:04 2017
New Revision: 251143
URL: https://gcc.gnu.org/viewcvs?rev=251143&root=gcc&view=rev
Log:
2017-08-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/81827
* tree-ssa-structalias.c (struct variable_info): Add is_reg_var
flag.
(new_var_info): Initialize it conservatively.
(get_call_vi): Mark register vars.
(new_scalar_tmp_constraint_exp): Likewise.
(handle_rhs_call): Likewise.
(handle_const_call): Likewise.
(create_function_info_for): Likewise.
(solve_constraints): Sort varinfos to separate register from
non-register vars to pack points-to solution bitmaps during
iteration.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-structalias.c