[Bug tree-optimization/50569] [4.6/4.7 regression] unaligned memory accesses generated for memcpy

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569

--- Comment #13 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-12-12 
18:22:17 UTC ---
Author: ebotcazou
Date: Mon Dec 12 18:22:13 2011
New Revision: 182252

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182252
Log:
    PR tree-optimization/50569
    * tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
    in the expression of MODEL instead of just the last one.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/20111212-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-sra.c