This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/52445] [4.6/4.7 Regression] conditional store replacement causes segfault in generated code
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 01 Mar 2012 14:13:13 +0000
- Subject: [Bug tree-optimization/52445] [4.6/4.7 Regression] conditional store replacement causes segfault in generated code
- Auto-submitted: auto-generated
- References: <bug-52445-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52445
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-01 14:13:13 UTC ---
Author: jakub
Date: Thu Mar 1 14:13:06 2012
New Revision: 184743
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184743
Log:
PR tree-optimization/52445
* tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
add ssa_name_ver, offset and size fields and change store field
to bool.
(name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
(add_or_mark_expr): Likewise. Only consider previous stores
with the same size and offset.
(nt_init_block): Only look at gimple_assign_single_p stmts,
doesn't look at rhs2.
* gcc.dg/pr52445.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr52445.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-phiopt.c