https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81179
Bug ID: 81179
Summary: [8 regression] gcc.dg/vect/pr65947-9.c and
gcc.dg/vect/pr65947-14.c fail starting with r249553
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
r249553 dropped XFAIL from these but they still fail on powerpc64 (BE and LE).
spawn /home/seurer/gcc/build/gcc-trunk/gcc/xgcc
-B/home/seurer/gcc/build/gcc-trunk/gcc/
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/vect/pr65947-9.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -maltivec -mpower8-vector
-ftree-vectorize -fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details
-lm -o ./pr65947-9.exe
PASS: gcc.dg/vect/pr65947-9.c (test for excess errors)
Setting LD_LIBRARY_PATH to
:/home/seurer/gcc/build/gcc-trunk/gcc:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libatomic/.libs::/home/seurer/gcc/build/gcc-trunk/gcc:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libatomic/.libs:/home/seurer/gcc/build/gcc-trunk/./gmp/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-trunk/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-trunk/./mpc/src/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-trunk/./isl/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-isl/.libs:/home/seurer/gcc/install/gcc-6.3.0/lib64
spawn [open ...]
PASS: gcc.dg/vect/pr65947-9.c execution test
PASS: gcc.dg/vect/pr65947-9.c scan-tree-dump-not vect "LOOP VECTORIZED"
FAIL: gcc.dg/vect/pr65947-9.c scan-tree-dump vect "loop size is greater than
data size"
spawn /home/seurer/gcc/build/gcc-trunk/gcc/xgcc
-B/home/seurer/gcc/build/gcc-trunk/gcc/
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/vect/pr65947-14.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -maltivec -mpower8-vector
-ftree-vectorize -fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details
-lm -o ./pr65947-14.exe
PASS: gcc.dg/vect/pr65947-14.c (test for excess errors)
Setting LD_LIBRARY_PATH to
:/home/seurer/gcc/build/gcc-trunk/gcc:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libatomic/.libs::/home/seurer/gcc/build/gcc-trunk/gcc:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libatomic/.libs:/home/seurer/gcc/build/gcc-trunk/./gmp/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-trunk/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-trunk/./mpc/src/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-trunk/./isl/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-isl/.libs:/home/seurer/gcc/install/gcc-6.3.0/lib64
spawn [open ...]
FAIL: gcc.dg/vect/pr65947-14.c execution test
PASS: gcc.dg/vect/pr65947-14.c scan-tree-dump-times vect "LOOP VECTORIZED" 2
PASS: gcc.dg/vect/pr65947-14.c scan-tree-dump-times vect "condition expression
based on integer induction." 4
Hmmm. the second one is a bit different than the first in that it SIGABRTs.
(gdb) where
#0 0x00003fffb7d00a88 in __GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00003fffb7d0686c in __GI_abort () at abort.c:89
#2 0x000000001000064c in main () at
/home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/vect/pr65947-14.c:38
