https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68766
Bug ID: 68766
Summary: [6 regression] internal compiler error: in
expand_LOOP_VECTORIZED, at internal-fn.c:1905
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: ienkovich at gcc dot gnu.org
Target Milestone: ---
Created attachment 36942
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36942&action=edit
Reproducer
>gcc -O2 -ftree-vectorize -mavx2 -c test.i -fdbg-cnt=vect_loop:1
dbg_cnt 'vect_loop' set to 1
test.i: In function 'fn2':
test.i:10:5: internal compiler error: in expand_LOOP_VECTORIZED, at
internal-fn.c:1905
int fn2() {
^~~
0xacb1c3 expand_LOOP_VECTORIZED
gcc/internal-fn.c:1905
0xacd383 expand_internal_call(internal_fn, gcall*)
gcc/internal-fn.c:2325
0xacd3ab expand_internal_call(gcall*)
gcc/internal-fn.c:2333
0x8633da expand_call_stmt
gcc/cfgexpand.c:2550
0x866a0b expand_gimple_stmt_1
gcc/cfgexpand.c:3525
0x8670de expand_gimple_stmt
gcc/cfgexpand.c:3691
0x86e1e9 expand_gimple_basic_block
gcc/cfgexpand.c:5697
0x86fced execute
gcc/cfgexpand.c:6312
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.
>gcc -v
Using built-in specs.
COLLECT_GCC=/export/users/ienkovic/issues/avx-512/gcc-build/bin/gcc
COLLECT_LTO_WRAPPER=/export/users/ienkovic/issues/avx-512/gcc-build/bin/../libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: gcc/configure --prefix=gcc-build
--enable-languages=c,c++,fortran --disable-bootstrap --disable-libsanitizer
Thread model: posix
gcc version 6.0.0 20151207 (experimental) (GCC)
