https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64404
Bug ID: 64404
Summary: [5 Regression] ICE: in vect_get_vec_def_for_operand,
at tree-vect-stmts.c:1464 with
--param=sccvn-max-alias-queries-per-access=1
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 34330
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34330&action=edit
reduced testcase
Compiler output:
$ gcc -O3 --param=sccvn-max-alias-queries-per-access=1 testcase.c
testcase.c: In function 'Compute':
testcase.c:11:1: internal compiler error: in vect_get_vec_def_for_operand, at
tree-vect-stmts.c:1464
Compute (void)
^
0xe62369 vect_get_vec_def_for_operand(tree_node*, gimple_statement_base*,
tree_node**)
/mnt/svn/gcc-trunk/gcc/tree-vect-stmts.c:1464
0xe700c6 vectorizable_store
/mnt/svn/gcc-trunk/gcc/tree-vect-stmts.c:5316
0xe75e51 vect_transform_stmt(gimple_statement_base*, gimple_stmt_iterator*,
bool*, _slp_tree*, _slp_instance*)
/mnt/svn/gcc-trunk/gcc/tree-vect-stmts.c:7257
0xe7b88d vect_transform_loop(_loop_vec_info*)
/mnt/svn/gcc-trunk/gcc/tree-vect-loop.c:6134
0xe968b6 vectorize_loops()
/mnt/svn/gcc-trunk/gcc/tree-vectorizer.c:491
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r219053 - ICE
4_9 r219040 - OK
