https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82852
Bug ID: 82852 Summary: [8 regression] i386/vect-unpack-1.c, i386/avx512f-gather-2.c, i386/avx256-unaligned-store-2.c fails Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: andrey.y.guskov at intel dot com Target Milestone: --- r254012 triggers these fails: spawn -ignore SIGHUP /work/gcc/xgcc -B/work/gcc/ /source/gcc/testsuite/gcc.target/i386/vect-unpack-1.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 -O2 -ftree-vectorize -ffast-math -mavx512bw -save-temps -ffat-lto-objects -lm -o ./vect-unpack-1.exe PASS: gcc.target/i386/vect-unpack-1.c (test for excess errors) PASS: gcc.target/i386/vect-unpack-1.c execution test FAIL: gcc.target/i386/vect-unpack-1.c scan-assembler-times vpmovzxbw[ \\t]+[^\n]*%zmm 2 (found 0 times) --- spawn -ignore SIGHUP /work/gcc/xgcc -B/work/gcc/ /source/gcc/testsuite/gcc.target/i386/avx512f-gather-2.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 -O3 -mavx512f -fdump-tree-vect-details -ffat-lto-objects -S -o avx512f-gather-2.s PASS: gcc.target/i386/avx512f-gather-2.c (test for excess errors) PASS: gcc.target/i386/avx512f-gather-2.c scan-assembler-not gather[^\n]*ymm[^\n]*ymm PASS: gcc.target/i386/avx512f-gather-2.c scan-assembler-not gather[^\n]*xmm[^\n]*ymm PASS: gcc.target/i386/avx512f-gather-2.c scan-assembler-not gather[^\n]*ymm[^\n]*xmm FAIL: gcc.target/i386/avx512f-gather-2.c scan-assembler-not gather[^\n]*xmm[^\n]*xmm FAIL: gcc.target/i386/avx512f-gather-2.c scan-tree-dump-times vect "note: vectorized 1 loops in function" 16 (found 10 times) --- spawn -ignore SIGHUP /work/gcc/xgcc -B/work/gcc/ /source/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-2.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 -O3 -mtune-ctrl=sse_typeless_stores -dp -mavx -mavx256-split-unaligned-store -mno-prefer-avx128 -ffat-lto-objects -S -o avx256-unaligned-store-2.s PASS: gcc.target/i386/avx256-unaligned-store-2.c (test for excess errors) PASS: gcc.target/i386/avx256-unaligned-store-2.c scan-assembler-not vmovups.*movv32qi_internal/4 FAIL: gcc.target/i386/avx256-unaligned-store-2.c scan-assembler vmovups.*movv16qi_internal/4 FAIL: gcc.target/i386/avx256-unaligned-store-2.c scan-assembler vextract.128 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=slm --with-cpu=slm