[gcc/devel/omp/gcc-13] Merge remote-tracking branch 'origin/releases/gcc-13' into devel/omp/gcc-13

[gcc/devel/omp/gcc-13] Merge remote-tracking branch 'origin/releases/gcc-13' into devel/omp/gcc-13

[Tobias Burnus]

https://gcc.gnu.org/g:160a8fe60e2e135a2d69c9b3fdc7a3a85bcaceff

commit 160a8fe60e2e135a2d69c9b3fdc7a3a85bcaceff
Merge: 1369c1bf9ca 8f1e18c75e0
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Tue May 30 11:35:23 2023 +0200

    Merge remote-tracking branch 'origin/releases/gcc-13' into devel/omp/gcc-13
    
    Merge up to r13-7388-g8f1e18c75e032c2e84c4a4bc51b734c36b11c7fd (30th May 2023)

Diff:

 gcc/ChangeLog                                      |  99 ++++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/common/config/riscv/riscv-common.cc            | 122 ++++++++----
 gcc/config/avr/avr.cc                              |  73 ++++++++
 gcc/config/avr/avr.md                              |  24 ++-
 gcc/config/riscv/elf.h                             |   2 +-
 gcc/config/riscv/linux.h                           |   2 +
 gcc/config/riscv/riscv-opts.h                      |   9 +
 gcc/config/riscv/riscv-vsetvl.cc                   |  71 ++++++-
 gcc/config/riscv/riscv-vsetvl.h                    |   1 +
 gcc/config/riscv/vector.md                         |   2 +-
 gcc/fold-const.cc                                  |  27 ++-
 gcc/testsuite/ChangeLog                            |  28 +++
 gcc/testsuite/gcc.target/avr/pr82931.c             |  29 +++
 .../gcc.target/riscv/rvv/vsetvl/pr109547.c         |  14 ++
 .../gcc.target/riscv/rvv/vsetvl/vsetvl-17.c        |   2 +-
 gcc/testsuite/gnat.dg/opt101.adb                   |  23 +++
 gcc/testsuite/gnat.dg/opt101_pkg.ads               |  26 +++
 libstdc++-v3/ChangeLog                             | 105 +++++++++++
 libstdc++-v3/include/experimental/bits/simd.h      | 204 +++++++++++++--------
 .../include/experimental/bits/simd_builtin.h       | 104 ++++++-----
 .../include/experimental/bits/simd_fixed_size.h    | 177 +++++++++---------
 libstdc++-v3/include/experimental/bits/simd_neon.h |  76 ++++----
 libstdc++-v3/include/experimental/bits/simd_ppc.h  |   3 +-
 .../include/experimental/bits/simd_scalar.h        |  78 ++++----
 libstdc++-v3/include/experimental/bits/simd_x86.h  |  68 +++++--
 .../testsuite/20_util/to_chars/long_double.cc      |   2 +-
 .../experimental/simd/pr109261_constexpr_simd.cc   |  92 ++++++++++
 .../experimental/simd/tests/fpclassify.cc          |   2 +
 .../testsuite/experimental/simd/tests/frexp.cc     |   6 +
 .../simd/tests/ldexp_scalbn_scalbln_modf.cc        |   4 +-
 .../testsuite/experimental/simd/tests/logarithm.cc |   4 +-
 .../experimental/simd/tests/trunc_ceil_floor.cc    |   2 +
 33 files changed, 1112 insertions(+), 371 deletions(-)