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

[Martin Liska]

https://gcc.gnu.org/g:7572f9cd10edd3bc1889a8f513dbf77b7f4e470d

commit 7572f9cd10edd3bc1889a8f513dbf77b7f4e470d
Merge: eb2de151c58 8ce18a29ef7
Author: Martin Liska <mliska@suse.cz>
Date:   Tue Aug 24 16:42:47 2021 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 contrib/download_prerequisites                     |  59 +--
 gcc/config/arm/arm-cpus.in                         |   9 +-
 gcc/config/arm/arm.c                               |   9 +
 gcc/config/arm/arm.md                              |  11 +-
 gcc/config/arm/arm.opt                             |   4 +
 gcc/config/arm/vfp.md                              |  29 +-
 gcc/config/i386/i386-expand.c                      |  13 +-
 gcc/config/i386/i386.c                             |   5 +
 gcc/config/i386/i386.h                             |   2 +
 gcc/config/i386/predicates.md                      |   7 +
 gcc/config/i386/sse.md                             | 238 +++++++++-
 gcc/config/rs6000/rs6000-builtin-new.def           | 477 +++++++++++++++++++++
 gcc/doc/invoke.texi                                |  16 +-
 gcc/params.opt                                     |   4 +-
 gcc/testsuite/gcc.dg/predict-1.c                   |   2 +-
 gcc/testsuite/gcc.dg/tree-ssa/evrp-trans.c         | 144 +++++++
 .../arm/cmse/mainline/8_1m/soft/cmse-13a.c         |  31 ++
 .../arm/cmse/mainline/8_1m/soft/cmse-7a.c          |  28 ++
 .../arm/cmse/mainline/8_1m/soft/cmse-8a.c          |  30 ++
 .../arm/cmse/mainline/8_1m/softfp-sp/cmse-7a.c     |  27 ++
 .../arm/cmse/mainline/8_1m/softfp-sp/cmse-8a.c     |  29 ++
 .../arm/cmse/mainline/8_1m/softfp/cmse-13a.c       |  30 ++
 .../arm/cmse/mainline/8_1m/softfp/cmse-7a.c        |  27 ++
 .../arm/cmse/mainline/8_1m/softfp/cmse-8a.c        |  29 ++
 .../i386/avx512bw-shiftqihi-constant-1.c           |   4 +-
 gcc/testsuite/gcc.target/i386/pr100865-10b.c       |   1 -
 gcc/testsuite/gcc.target/i386/pr100865-4b.c        |   3 +-
 gcc/testsuite/gcc.target/i386/pr100865-6b.c        |   6 +-
 gcc/testsuite/gcc.target/i386/pr100865-7b.c        |   6 +-
 gcc/testsuite/gcc.target/i386/pr101989-1.c         |  51 +++
 gcc/testsuite/gcc.target/i386/pr101989-2.c         | 102 +++++
 .../gcc.target/i386/pr101989-broadcast-1.c         |  31 ++
 gcc/testsuite/gcc.target/i386/pr102021.c           |  15 +
 gcc/testsuite/lib/target-supports.exp              |  15 +-
 gcc/tree-vect-loop.c                               |   7 +
 gcc/tree-vect-slp.c                                |  70 ++-
 gcc/tree-vectorizer.c                              |  20 +-
 gcc/tree-vectorizer.h                              |   2 +-
 gcc/value-relation.cc                              | 287 +++++++++++--
 gcc/value-relation.h                               |   9 +-
 libgcc/config/arm/cmse_nonsecure_call.S            |   5 +
 libstdc++-v3/src/c++11/cxx11-shim_facets.cc        |  28 +-
 42 files changed, 1769 insertions(+), 153 deletions(-)