[gcc/devel/sphinx] Merge branch 'master' into devel/sphinx

[Martin Liska]

https://gcc.gnu.org/g:d79a408d0e2693048ac20d7ac469115fc906f2da

commit d79a408d0e2693048ac20d7ac469115fc906f2da
Merge: 78a55ff9ef0 8eac92a07e3
Author: Martin Liska <mliska@suse.cz>
Date:   Thu Jun 17 12:05:57 2021 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 MAINTAINERS                                        |   2 +
 gcc/ChangeLog                                      | 128 +++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/ada/ChangeLog                                  | 186 ++++++++++
 gcc/ada/gcc-interface/Make-lang.in                 |   3 +-
 gcc/auto-profile.c                                 |   9 +-
 gcc/cfgcleanup.c                                   |   4 +-
 gcc/cfgloop.h                                      |   2 +-
 gcc/cfgloopanal.c                                  |   2 +-
 gcc/cfgloopmanip.c                                 |   4 +-
 gcc/cgraph.c                                       |   4 +-
 gcc/cgraph.h                                       |   2 +-
 gcc/config/aarch64/aarch64-simd-builtins.def       |  10 +-
 gcc/config/aarch64/aarch64-simd.md                 | 268 +++++++++++---
 gcc/config/aarch64/iterators.md                    |   2 +
 gcc/config/i386/i386-expand.c                      |  91 +++--
 gcc/config/i386/mmx.md                             |  16 +
 gcc/config/s390/vecintrin.h                        |   4 +-
 gcc/cp/ChangeLog                                   |   6 +
 gcc/cp/init.c                                      |   2 +-
 gcc/cp/pt.c                                        |  15 +-
 gcc/doc/invoke.texi                                |  92 ++---
 gcc/dominance.c                                    |  16 +-
 gcc/dominance.h                                    |  12 +-
 gcc/fortran/ChangeLog                              |  33 ++
 gcc/fortran/expr.c                                 |   3 +
 gcc/fortran/match.c                                |   2 +-
 gcc/fortran/parse.c                                |   3 +
 gcc/gcov-io.h                                      |   7 +-
 gcc/gcse.c                                         |  13 +-
 gcc/gimple-range-cache.cc                          |  16 +-
 gcc/gimple-range-gori.cc                           |  59 +++-
 gcc/gimple-range-gori.h                            |   1 +
 gcc/gimple-range.cc                                |  82 ++++-
 gcc/ipa-cp.c                                       |   7 +-
 gcc/ipa-sra.c                                      |   2 +-
 gcc/loop-unroll.c                                  |  12 +-
 gcc/testsuite/ChangeLog                            |  90 +++++
 .../plugin/location-overflow-test-pr100796.c       |  25 ++
 gcc/testsuite/g++.dg/plugin/plugin.exp             |   3 +-
 gcc/testsuite/g++.dg/template/access39.C           |  17 +
 gcc/testsuite/gcc.dg/vect/bb-slp-pr54400.c         |  43 +++
 .../gcc.target/aarch64/narrow_zero_high_half.c     | 130 +++++++
 .../gcc.target/s390/zvector/vec-doublee.c          |  22 ++
 gcc/testsuite/gcc.target/s390/zvector/vec-floate.c |  23 ++
 gcc/testsuite/gfortran.dg/pr95502.f90              |   8 +
 gcc/tree-cfg.c                                     |  35 +-
 gcc/tree-parloops.c                                |   3 +-
 gcc/tree-ssa-dce.c                                 |   3 +-
 gcc/tree-ssa-loop-ivcanon.c                        |   5 +-
 gcc/tree-ssa-phiprop.c                             |   7 +-
 gcc/tree-vect-data-refs.c                          |   9 +-
 gcc/tree-vect-loop.c                               |   2 +-
 gcc/tree-vect-slp.c                                | 383 +++++++++++++++++----
 gcc/tree-vectorizer.h                              |   2 +
 gcc/vec.h                                          |  31 +-
 libcpp/ChangeLog                                   |   7 +
 libcpp/line-map.c                                  |  20 +-
 libffi/ChangeLog                                   |   8 +
 libstdc++-v3/ChangeLog                             |  33 ++
 libstdc++-v3/include/bits/iterator_concepts.h      |   3 +-
 libstdc++-v3/include/bits/ranges_base.h            |  50 +--
 .../24_iterators/customization_points/iter_move.cc |   3 +
 .../24_iterators/customization_points/iter_swap.cc |   3 +
 .../concepts.lang/concept.swappable/swap.cc        |   4 +
 libstdc++-v3/testsuite/std/ranges/access/begin.cc  |   2 +
 libstdc++-v3/testsuite/std/ranges/access/cbegin.cc |   4 +
 libstdc++-v3/testsuite/std/ranges/access/cdata.cc  |   3 +
 libstdc++-v3/testsuite/std/ranges/access/cend.cc   |   3 +
 .../testsuite/std/ranges/access/crbegin.cc         |   2 +
 libstdc++-v3/testsuite/std/ranges/access/crend.cc  |   2 +
 libstdc++-v3/testsuite/std/ranges/access/data.cc   |   2 +
 libstdc++-v3/testsuite/std/ranges/access/empty.cc  |   2 +
 libstdc++-v3/testsuite/std/ranges/access/end.cc    |   2 +
 libstdc++-v3/testsuite/std/ranges/access/rbegin.cc |   2 +
 libstdc++-v3/testsuite/std/ranges/access/rend.cc   |   2 +
 libstdc++-v3/testsuite/std/ranges/access/size.cc   |   2 +
 libstdc++-v3/testsuite/std/ranges/access/ssize.cc  |   2 +
 libstdc++-v3/testsuite/util/testsuite_iterators.h  |  16 +
 79 files changed, 1778 insertions(+), 362 deletions(-)