[gcc/devel/omp/gcc-12] Merge branch 'releases/gcc-12' into devel/omp/gcc-12

[Tobias Burnus]

https://gcc.gnu.org/g:d07ad71e7277c631fac6c764099f068931939709

commit d07ad71e7277c631fac6c764099f068931939709
Merge: 8d2253f407e f4f72a25a9d
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Mon Sep 5 09:41:36 2022 +0200

    Merge branch 'releases/gcc-12' into devel/omp/gcc-12
    
    Merge up to r12-8742-gf4f72a25a9dfb5afbff8853bd51c1a891139dfd0 (5th Sep 2022)

Diff:

 gcc/ChangeLog                               | 66 +++++++++++++++++++++
 gcc/DATESTAMP                               |  2 +-
 gcc/alias.cc                                | 14 +++++
 gcc/alias.h                                 |  1 +
 gcc/cfgcleanup.cc                           |  2 +-
 gcc/config/aarch64/aarch64.cc               |  3 +-
 gcc/config/arm/mve.md                       |  4 +-
 gcc/config/arm/vec-common.md                | 90 +++++++++++++++++++++++------
 gcc/config/rs6000/rs6000-builtin.cc         |  7 ++-
 gcc/cselib.cc                               | 70 ++++++++++++++++++++++
 gcc/cselib.h                                |  1 +
 gcc/dse.cc                                  |  7 +--
 gcc/postreload.cc                           | 15 +----
 gcc/testsuite/ChangeLog                     |  8 +++
 gcc/testsuite/g++.target/powerpc/pr101322.C | 17 ++++++
 gcc/tree-vect-loop.cc                       |  3 +-
 gcc/tree-vect-slp-patterns.cc               |  4 +-
 gcc/tree-vect-slp.cc                        |  4 +-
 18 files changed, 270 insertions(+), 48 deletions(-)