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

[Martin Liska <marxin@gcc.gnu.org>]

https://gcc.gnu.org/g:0c6508fe976763cf4fe57c3cb6954b7ab7d55619

commit 0c6508fe976763cf4fe57c3cb6954b7ab7d55619
Merge: 272625aab59 c2124b51a9b
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Jun 23 10:20:15 2021 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 ChangeLog                                          |   4 +
 MAINTAINERS                                        |   1 -
 contrib/ChangeLog                                  |   4 +
 contrib/gcc-git-customization.sh                   |   2 +-
 contrib/git-commit-mklog.py                        |  53 ++
 contrib/mklog.py                                   |   2 +-
 contrib/prepare-commit-msg                         |   2 +-
 gcc/ChangeLog                                      | 193 +++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/Makefile.in                                    |   1 +
 gcc/analyzer/ChangeLog                             |   8 +
 gcc/analyzer/region-model.cc                       |  19 +-
 gcc/config/i386/i386-expand.c                      |   3 +
 gcc/config/i386/i386-protos.h                      |   1 +
 gcc/config/i386/i386.c                             |   1 +
 gcc/config/i386/i386.md                            |  87 +-
 gcc/config/riscv/riscv.c                           |  14 +
 gcc/doc/rtl.texi                                   |   2 +-
 gcc/fold-const.c                                   |   2 +-
 gcc/function.c                                     |  21 +-
 gcc/gimple-range-cache.cc                          |  10 +
 gcc/gimple-range.cc                                | 355 ++++++--
 gcc/gimple-range.h                                 |  24 +-
 gcc/gimplify.c                                     |  15 +-
 gcc/range-op.cc                                    | 774 ++++++++++++++---
 gcc/range-op.h                                     |  24 +-
 gcc/testsuite/ChangeLog                            |  87 ++
 gcc/testsuite/g++.dg/modules/omp-1_a.C             |   2 +-
 gcc/testsuite/g++.dg/modules/omp-2_a.C             |   2 +-
 gcc/testsuite/g++.dg/opt/pr101162.C                |  21 +
 gcc/testsuite/g++.target/i386/empty-class1.C       |   2 +-
 gcc/testsuite/g++.target/i386/empty-class2.C       |  20 +
 gcc/testsuite/gcc.c-torture/compile/pr101159.c     |  10 +
 gcc/testsuite/gcc.dg/analyzer/pr101143.c           |  18 +
 gcc/testsuite/gcc.dg/pr101156.c                    |   8 +
 gcc/testsuite/gcc.dg/torture/pr101151.c            |  19 +
 gcc/testsuite/gcc.target/i386/pr11877-2.c          |  26 +
 gcc/testsuite/gfortran.dg/pr101158.f90             |  25 +
 gcc/testsuite/gfortran.dg/pr93524.c                |  33 +
 gcc/testsuite/gfortran.dg/pr93524.f90              |  17 +
 gcc/tree-data-ref.c                                |   2 +-
 gcc/tree-ssa-sink.c                                |   9 +-
 gcc/tree-vect-patterns.c                           |  14 +-
 gcc/tree-vect-slp.c                                |  52 +-
 gcc/value-query.cc                                 |  50 ++
 gcc/value-query.h                                  |  11 +
 gcc/value-relation.cc                              | 932 +++++++++++++++++++++
 gcc/value-relation.h                               | 159 ++++
 libgcc/config/rs6000/float128-ifunc.c              |   9 +-
 libgcc/config/rs6000/t-float128-hw                 |  16 -
 libgcc/config/rs6000/t-float128-p10-hw             |   4 +-
 libgcc/configure                                   |  18 +-
 libgcc/configure.ac                                |  14 +-
 libgfortran/ChangeLog                              |   7 +
 libgfortran/runtime/ISO_Fortran_binding.c          |   5 +-
 libstdc++-v3/ChangeLog                             |  41 +
 libstdc++-v3/include/bits/random.h                 |   2 +-
 libstdc++-v3/include/bits/random.tcc               |   2 +-
 libstdc++-v3/include/bits/semaphore_base.h         |   4 +-
 libstdc++-v3/include/std/memory                    |   4 +-
 libstdc++-v3/include/std/mutex                     | 108 ++-
 libstdc++-v3/testsuite/20_util/pointer_safety/1.cc |   2 +-
 .../26_numerics/random/seed_seq/cons/default.cc    |   4 +-
 .../26_numerics/random/seed_seq/cons/initlist.cc   |   7 +
 libstdc++-v3/testsuite/30_threads/lock/3.cc        |   4 +-
 libstdc++-v3/testsuite/30_threads/lock/4.cc        | 124 +++
 .../testsuite/30_threads/semaphore/100806.cc       |  57 ++
 libstdc++-v3/testsuite/30_threads/try_lock/5.cc    |  41 +
 .../testsuite/30_threads/unique_lock/cons/60497.cc |   6 +
 69 files changed, 3259 insertions(+), 363 deletions(-)