https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96022
Maxim Kuvyrkov <mkuvyrkov at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
CC| |mkuvyrkov at gcc dot gnu.org
Resolution|FIXED |---
--- Comment #5 from Maxim Kuvyrkov <mkuvyrkov at gcc dot gnu.org> ---
Hi Richard,
This causes ICEs on many vectorization testcases for arm-linux-gnueabihf. Full
list of regressions is at [1]. Sum and log files are at [2].
[1]
https://ci.linaro.org/view/tcwg_cross/job/tcwg_cross-bisect-gnu-master-arm-check_cross/7/artifact/artifacts/build-first_bad/results/*view*/
[2]
https://ci.linaro.org/view/tcwg_cross/job/tcwg_cross-bisect-gnu-master-arm-check_cross/7/artifact/artifacts/build-first_bad/sumfiles/
Typical error log:
<cut>
spawn -ignore SIGHUP
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-unknown-linux-gnu/bin/arm-linux-gnueabihf-gcc
--sysroot=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/sysroots/arm-linux-gnueabihf
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.dg/vect/pr55857-1.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never
--sysroot=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/sysroots/arm-linux-gnueabihf
-mfpu=neon -ffast-math -ftree-vectorize -fno-tree-loop-distribute-patterns
-fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -S -o pr55857-1.s
during GIMPLE pass: vect
dump file: pr55857-1.c.163t.vect
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.dg/vect/pr55857-1.c:
In function 'foo':
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.dg/vect/pr55857-1.c:4:1:
internal compiler error: Segmentation fault
0xcd933f crash_signal
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/toplev.c:328
0xf889ee get_vectype_for_scalar_type(vec_info*, tree_node*, _slp_tree*)
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vect-stmts.c:10999
0xf889ee vectorizable_shift
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vect-stmts.c:5404
0xfa3dbf vect_analyze_stmt(vec_info*, _stmt_vec_info*, bool*, _slp_tree*,
_slp_instance*, vec<stmt_info_for_cost, va_heap, vl_ptr>*)
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vect-stmts.c:10555
0xfbc5b9 vect_analyze_loop_operations
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vect-loop.c:1613
0xfbeb14 vect_analyze_loop_2
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vect-loop.c:2164
0xfbeb14 vect_analyze_loop(loop*, vec_info_shared*)
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vect-loop.c:2612
0xfe206c try_vectorize_loop_1
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vectorizer.c:955
0xfe2f09 vectorize_loops()
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/tree-vectorizer.c:1189
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
compiler exited with status 1
FAIL: gcc.dg/vect/pr55857-1.c (internal compiler error)
FAIL: gcc.dg/vect/pr55857-1.c (test for excess errors)
</cut>
GCC was configured as a typical armhf cross-compiler:
--disable-multilib --with-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb
--with-tune=cortex-a9 --with-arch=armv7-a --enable-threads=posix
--enable-multiarch --enable-libstdcxx-time=yes --enable-gnu-indirect-function
--enable-checking=yes --disable-bootstrap --enable-languages=c,c++,fortran,lto
--build=x86_64-unknown-linux-gnu --host=x86_64-unknown-linux-gnu
--target=arm-linux-gnueabihf
