[Bug tree-optimization/44423] [4.5/4.6 Regression] Massive performance regression in SSE code due to SRA

[jamborm at gcc dot gnu dot org]

------- Comment #13 from jamborm at gcc dot gnu dot org  2010-06-09 11:20 -------
Subject: Bug 44423

Author: jamborm
Date: Wed Jun  9 11:20:03 2010
New Revision: 160462

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160462
Log:
2010-06-09  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44423
        * tree-sra.c (dump_access): Dump also grp_assignment_read.
        (analyze_access_subtree): Pass negative allow_replacements to children
        if the current type is scalar.

        * testsuite/gcc.dg/tree-ssa/pr44423.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr44423.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-sra.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44423