https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64179
Bug ID: 64179
Summary: fail caused by autovectorization in arm big-endian
mode
Product: gcc
Version: 4.9.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: chenshanyaoboy at gmail dot com
There are lots of failings about autovectorzation when running testsuite for
armeb-linux-gnu-gcc
some of the failing tests include:
FAIL: gcc.dg/vect/pr51581-4.c execution test
FAIL: gcc.dg/vect/vect-107.c execution test
FAIL: gcc.dg/vect/vect-strided-store-a-u8-i2.c execution test
FAIL: gcc.dg/vect/slp-11a.c execution test
FAIL: gcc.dg/vect/slp-19a.c execution test
FAIL: gcc.dg/vect/slp-19b.c execution test
FAIL: gcc.dg/vect/vect-107.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-strided-store-a-u8-i2.c -flto -ffat-lto-objects
execution test
FAIL: gcc.dg/vect/slp-11a.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-19a.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-19b.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-cond-3.c -flto -ffat-lto-objects scan-tree-dump-times
vect "vectorizing stmts using SLP" 1
FAIL: gcc.dg/vect/slp-perm-8.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/bb-slp-29.c -flto -ffat-lto-objects execution test
...
Once there was a patch about this failing, but it was not applied.
https://gcc.gnu.org/ml/gcc-patches/2014-06/msg01261.html
