https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95219
Bug ID: 95219 Summary: [11 Regression] FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: msebor at gcc dot gnu.org Target Milestone: --- With yesterday's top of trunk I see the following test failure on x86_64-linux: spawn -ignore SIGHUP /ssd/test/build/gcc-94923/gcc/xgcc -B/ssd/test/build/gcc-94923/gcc/ /ssd/test/src/gcc/94923/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers -fdiagnostics-color=never -fdiagnostics-urls=never -O2 -ftree-vectorize -fvect-cost-model=dynamic -msse2 -fdump-tree-vect-details -S -o costmodel-pr30843.s PASS: gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c (test for excess errors) gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c: pattern found 0 times FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-pr30843.c scan-tree-dump-times vect "vectorization not profitable" 1 Also seen here: https://gcc.gnu.org/pipermail/gcc-testresults/2020-May/561528.html