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from 18bbd2f1650 [14/n] PR85694: Rework overwidening detection new f0daa5a6c0a [15/n] PR85694: Try to split existing casts in widened patterns new 3f887927772 [16/n] PR85694: Add detection of averaging operations new 7987f646fe2 Clean up interface to vector pattern recognisers new 05499cc738a Ensure PATTERN_DEF_SEQ is empty before recognising patterns new 76f769a45fa Pass more vector types to append_pattern_def_seq

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Summary of changes: gcc/ChangeLog | 72 ++++ gcc/doc/md.texi | 28 ++ gcc/doc/sourcebuild.texi | 4 + gcc/internal-fn.def | 5 + gcc/optabs.def | 4 + gcc/testsuite/ChangeLog | 37 ++ gcc/testsuite/gcc.dg/vect/vect-avg-1.c | 47 ++ gcc/testsuite/gcc.dg/vect/vect-avg-10.c | 8 + gcc/testsuite/gcc.dg/vect/vect-avg-11.c | 57 +++ gcc/testsuite/gcc.dg/vect/vect-avg-12.c | 10 + gcc/testsuite/gcc.dg/vect/vect-avg-13.c | 11 + gcc/testsuite/gcc.dg/vect/vect-avg-14.c | 11 + gcc/testsuite/gcc.dg/vect/vect-avg-2.c | 10 + gcc/testsuite/gcc.dg/vect/vect-avg-3.c | 11 + gcc/testsuite/gcc.dg/vect/vect-avg-4.c | 11 + gcc/testsuite/gcc.dg/vect/vect-avg-5.c | 51 +++ gcc/testsuite/gcc.dg/vect/vect-avg-6.c | 10 + gcc/testsuite/gcc.dg/vect/vect-avg-7.c | 11 + gcc/testsuite/gcc.dg/vect/vect-avg-8.c | 11 + gcc/testsuite/gcc.dg/vect/vect-avg-9.c | 8 + gcc/testsuite/gcc.dg/vect/vect-over-widen-10.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-11.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-12.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-13.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-14.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-15.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-16.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-22.c | 53 +++ gcc/testsuite/gcc.dg/vect/vect-over-widen-5.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-6.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-7.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-8.c | 1 + gcc/testsuite/gcc.dg/vect/vect-over-widen-9.c | 1 + gcc/testsuite/lib/target-supports.exp | 7 + gcc/tree-vect-patterns.c | 576 ++++++++++++++----------- gcc/tree-vect-stmts.c | 5 +- 36 files changed, 826 insertions(+), 244 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-1.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-10.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-11.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-12.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-13.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-14.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-2.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-3.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-4.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-5.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-6.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-7.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-8.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-avg-9.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-over-widen-22.c