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r143485 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sun, 18 Jan 2009 15:51:12 -0000
- Subject: r143485 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Sun Jan 18 15:51:12 2009
New Revision: 143485
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143485
Log:
2009-01-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38819
* tree-flow.h (operation_could_trap_helper_p): Declare.
* tree-eh.c (operation_could_trap_helper_p): Export.
* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
are about to insert a possibly trapping instruction and fail
in this case.
* gcc.c-torture/execute/pr38819.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr38819.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-eh.c
trunk/gcc/tree-flow.h
trunk/gcc/tree-ssa-pre.c
trunk/gcc/tree-ssa-sccvn.c
trunk/gcc/tree-ssa-sccvn.h