https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82987
Bug ID: 82987 Summary: [8 regression] gcc.dg/vect/slp-perm-9.c fail Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: andrey.y.guskov at intel dot com Target Milestone: --- r254592 triggers this: --- spawn -ignore SIGHUP /work/gcc/xgcc -B/work/gcc/ /source/gcc/testsuite/gcc.dg/vect/slp-perm-9.c -B/work/x86_64-pc-linux-gnu/./libmpx/ -B/work/x86_64-pc-linux-gnu/./libmpx/mpxrt -L/work/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs -B/work/x86_64-pc-linux-gnu/./libmpx/ -B/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap -L/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs -fno-diagnostics-show-caret -fdiagnostics-color=never -flto -ffat-lto-objects -msse2 -ftree-vectorize -fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -lm -o ./slp-perm-9.exe PASS: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects (test for excess errors) PASS: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects execution test FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorized 0 loops" 2 (found 1 times) FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 0 (found 1 times) --- spawn -ignore SIGHUP /work/gcc/xgcc -B/work/gcc/ /source/gcc/testsuite/gcc.dg/vect/slp-perm-9.c -B/work/x86_64-pc-linux-gnu/./libmpx/ -B/work/x86_64-pc-linux-gnu/./libmpx/mpxrt -L/work/x86_64-pc-linux-gnu/./libmpx/mpxrt/.libs -B/work/x86_64-pc-linux-gnu/./libmpx/ -B/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap -L/work/x86_64-pc-linux-gnu/./libmpx/mpxwrap/.libs -fno-diagnostics-show-caret -fdiagnostics-color=never -msse2 -ftree-vectorize -fno-vect-cost-model -fno-common -O2 -fdump-tree-vect-details -lm -o ./slp-perm-9.exe PASS: gcc.dg/vect/slp-perm-9.c (test for excess errors) PASS: gcc.dg/vect/slp-perm-9.c execution test FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorized 0 loops" 2 (found 1 times) FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorizing stmts using SLP" 0 (found 1 times) Option set: -with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-shared --enable-host-shared --enable-clocale=gnu --enable-cloog-backend=isl --enable-languages=c,c++,fortran,jit,lto -with-arch=haswell --with-cpu=haswell