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

[Martin Liska]

https://gcc.gnu.org/g:e07d0e579a4e532ac4bd2d223105d73d6418868f

commit e07d0e579a4e532ac4bd2d223105d73d6418868f
Merge: e88d1c83cdd 44a545a6abd
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Aug 27 10:52:00 2021 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 contrib/ChangeLog                                  |    5 +
 gcc/ChangeLog                                      |   96 +
 gcc/DATESTAMP                                      |    2 +-
 gcc/config/i386/i386.c                             |   91 +-
 gcc/config/i386/i386.md                            |   23 +-
 gcc/config/i386/sse.md                             |   26 +-
 gcc/config/rs6000/rs6000-builtin-new.def           |  658 +++
 gcc/config/rs6000/rs6000-call.c                    |    5 +
 gcc/config/rs6000/rs6000-overload.def              | 6083 ++++++++++++++++++++
 gcc/config/rs6000/rs6000.c                         |   55 +-
 gcc/ipa-modref-tree.c                              |    2 +-
 gcc/ipa-modref-tree.h                              |  156 +-
 gcc/ipa-modref.c                                   |    4 +-
 gcc/match.pd                                       |    1 -
 gcc/params.opt                                     |    2 +-
 gcc/testsuite/ChangeLog                            |   12 +
 gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-41.c         |   11 +
 gcc/testsuite/gcc.target/i386/avx512f-pr101472.c   |   49 +
 gcc/testsuite/gcc.target/i386/avx512f-vshufpd-1.c  |    3 +-
 gcc/testsuite/gcc.target/i386/avx512f-vshufps-1.c  |    3 +-
 gcc/testsuite/gcc.target/i386/avx512vl-pr101472.c  |   79 +
 gcc/testsuite/gcc.target/i386/pr43147.c            |   15 +
 .../gcc.target/powerpc/dive-vectorize-1.c          |   11 +
 .../gcc.target/powerpc/dive-vectorize-1.h          |   22 +
 .../gcc.target/powerpc/dive-vectorize-2.c          |   13 +
 .../gcc.target/powerpc/dive-vectorize-2.h          |   22 +
 .../gcc.target/powerpc/dive-vectorize-run-1.c      |   54 +
 .../gcc.target/powerpc/dive-vectorize-run-2.c      |   56 +
 .../gcc.target/powerpc/p10-bifs-vectorize-1.c      |   16 +
 .../gcc.target/powerpc/p10-bifs-vectorize-1.h      |   40 +
 .../gcc.target/powerpc/p10-bifs-vectorize-run-1.c  |   48 +
 gcc/tree-ssa-ccp.c                                 |  160 +
 gcc/tree-ssa-uninit.c                              |  186 +-
 libgcc/ChangeLog                                   |   13 +
 libgcc/config/rs6000/ibm-ldouble.c                 |   14 +-
 libstdc++-v3/ChangeLog                             |   42 +
 libstdc++-v3/configure                             |   82 +-
 libstdc++-v3/configure.ac                          |    5 +
 libstdc++-v3/include/bits/std_function.h           |  209 +-
 libstdc++-v3/include/bits/unique_ptr.h             |    4 +-
 libstdc++-v3/include/experimental/internet         |   16 +-
 libstdc++-v3/include/experimental/socket           |   22 +-
 .../testsuite/20_util/function/cons/lwg2774.cc     |   31 +
 .../testsuite/20_util/function/cons/noexcept.cc    |   37 +
 .../experimental/net/internet/resolver/base.cc     |    6 +
 .../experimental/net/socket/basic_socket.cc        |    6 +-
 .../experimental/net/socket/socket_base.cc         |   12 +-
 47 files changed, 8174 insertions(+), 334 deletions(-)