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[Bug tree-optimization/68324] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu
- From: "jgreenhalgh at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 13 Nov 2015 10:30:16 +0000
- Subject: [Bug tree-optimization/68324] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-68324-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68324
James Greenhalgh <jgreenhalgh at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |aarch64-none-linux-gnu,
| |x86_64-none-linux-gnu
CC| |jgreenhalgh at gcc dot gnu.org
--- Comment #1 from James Greenhalgh <jgreenhalgh at gcc dot gnu.org> ---
I can reproduce this on aarch64-none-linux-gnu.
I also see a similar backtrace in the testsuite for AArch64 on
gcc.target/aarch64/vect-vaddv.c:
FAIL: gcc.target/aarch64/vect-vaddv.c (test for excess errors)
Excess errors:
.../gcc/testsuite/gcc.target/aarch64/vect-vaddv.c:87:5: internal compiler
error: Segmentation fault
0xad6cd7 crash_signal
.../gcc/toplev.c:336
0x10a09b8 dr_misalignment(data_reference*)
.../gcc/tree-vectorizer.h:889
0x10a09b8 aligned_access_p
.../gcc/tree-vectorizer.h:902
0x10a09b8 vect_supportable_dr_alignment(data_reference*, bool)
.../gcc/tree-vect-data-refs.c:5863
0xd13ce3 vectorizable_load
.../gcc/tree-vect-stmts.c:6706
0xd1c1d7 vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*, _slp_tree*,
_slp_instance*)
.../gcc/tree-vect-stmts.c:7997
0xd33703 vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3468
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd3359b vect_schedule_slp_instance
.../gcc/tree-vect-slp.c:3349
0xd35193 vect_schedule_slp(vec_info*)
.../gcc/tree-vect-slp.c:3533
0xd3851f vect_slp_bb(basic_block_def*)
.../gcc/tree-vect-slp.c:2525
0xd3a4db execute
.../gcc/tree-vectorizer.c:738