+2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ PR target/99781
+ * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
+ * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
+ functions.
+ (process_bb_lives): Don't update biggest mode of hard reg for
+ implicit in multi-register group. Use the new functions for
+ updating dead_set and unused_set by register notes.
+
+2021-04-06 Xianmiao Qu <xianmiao_qu@c-sky.com>
+
+ * config/csky/csky_pipeline_ck802.md : Use insn reservation name
+ instead of *.
+
+2021-04-06 H.J. Lu <hjl.tools@gmail.com>
+
+ * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
+ (skylake_memset): Likewise.
+ (skylake_cost): Change CLEAR_RATIO to 17.
+ * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
+ Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
+ m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
+
+2021-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99880
+ * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
+ set vectorized defs of relevant PHIs.
+
+2021-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99924
+ * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
+ nodes w/o scalar stmts as visited.
+
+2021-04-06 Alex Coplan <alex.coplan@arm.com>
+
+ PR target/99748
+ * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
+ PCS for [su]fix_optab.
+
2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (machopic_legitimize_pic_address): Check
+2021-04-06 Jason Merrill <jason@redhat.com>
+
+ PR c++/96673
+ * g++.dg/cpp1y/nsdmi-aggr13.C: New test.
+
+2021-04-06 Jason Merrill <jason@redhat.com>
+
+ PR c++/99901
+ * g++.dg/cpp1z/inline-var9.C: New test.
+
+2021-04-06 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ PR target/99781
+ * g++.target/aarch64/sve/pr99781.C: New.
+
+2021-04-06 H.J. Lu <hjl.tools@gmail.com>
+
+ * gcc.target/i386/memcpy-strategy-9.c: New test.
+ * gcc.target/i386/memcpy-strategy-10.c: Likewise.
+ * gcc.target/i386/memcpy-strategy-11.c: Likewise.
+ * gcc.target/i386/memset-strategy-7.c: Likewise.
+ * gcc.target/i386/memset-strategy-8.c: Likewise.
+ * gcc.target/i386/memset-strategy-9.c: Likewise.
+
+2021-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99880
+ * gcc.dg/torture/pr99880.c: New testcase.
+
+2021-04-06 Nathan Sidwell <nathan@acm.org>
+
+ * g++.dg/modules/builtin-3_a.C: Remove dump scans.
+ * g++.dg/modules/builtin-3_b.C: Remove dump scans.
+
+2021-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/96573
+ * gcc.dg/pr96573.c: Instead of __builtin_bswap accept also
+ VEC_PERM_EXPR with bswapping permutation.
+
+2021-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99924
+ * gfortran.dg/vect/pr99924.f90: New testcase.
+
+2021-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/97900
+ * g++.dg/ext/vector40.C: Add -Wno-psabi -w to dg-options.
+
+2021-04-06 Jason Merrill <jason@redhat.com>
+
+ PR c++/91241
+ * g++.dg/abi/lambda-defarg1.C: New test.
+
+2021-04-06 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/99899
+ * g++.dg/cpp2a/concepts-placeholder7.C: New test.
+ * g++.dg/cpp2a/concepts-placeholder8.C: New test.
+
2021-04-05 Jason Merrill <jason@redhat.com>
PR c++/96311
+2021-04-06 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/move.h (forward, move, move_if_noexcept)
+ (addressof): Add _GLIBCXX_NODISCARD.
+ * include/bits/ranges_cmp.h (identity::operator()): Add
+ nodiscard attribute.
+ * include/c_global/cstddef (to_integer): Likewise.
+ * include/std/bit (bit_cast): Likewise.
+ * include/std/utility (as_const, to_underlying): Likewise.
+
+2021-04-06 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/move.h (forward): Change static_assert message
+ to be unambiguous about what must be true.
+ * testsuite/20_util/forward/c_neg.cc: Adjust dg-error.
+ * testsuite/20_util/forward/f_neg.cc: Likewise.
+
+2021-04-06 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/alloc_traits.h: Use markdown for code font.
+ * include/bits/basic_string.h: Fix @param names.
+ * include/bits/max_size_type.h: Remove period after @file.
+ * include/bits/regex.h: Fix duplicate @retval names, and rename.
+ * include/ext/pb_ds/detail/priority_queue_base_dispatch.hpp: Add
+ group open to match existing group close.
+ * include/ext/pb_ds/priority_queue.hpp: Add blank line before group
+ open.
+
+2021-04-06 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/tr1/regex:
+
+2021-04-06 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_base.h: Fix doxygen group close.
+ * include/bits/basic_ios.h: Likewise.
+ * include/bits/forward_list.h: Likewise.
+ * include/bits/fs_dir.h: Likewise.
+ * include/bits/fs_ops.h: Likewise.
+ * include/bits/fs_path.h: Likewise.
+ * include/bits/functional_hash.h: Likewise.
+ * include/bits/gslice.h: Likewise.
+ * include/bits/gslice_array.h: Likewise.
+ * include/bits/hashtable_policy.h: Likewise.
+ * include/bits/indirect_array.h: Likewise.
+ * include/bits/locale_classes.h: Likewise.
+ * include/bits/locale_facets.h: Likewise.
+ * include/bits/locale_facets_nonio.h: Likewise.
+ * include/bits/mask_array.h: Likewise.
+ * include/bits/refwrap.h: Likewise.
+ * include/bits/regex.h: Likewise.
+ * include/bits/regex_automaton.h: Likewise.
+ * include/bits/regex_compiler.h: Likewise.
+ * include/bits/regex_constants.h: Likewise.
+ * include/bits/regex_error.h: Likewise.
+ * include/bits/regex_executor.h: Likewise.
+ * include/bits/regex_scanner.h: Likewise.
+ * include/bits/shared_ptr.h: Likewise.
+ * include/bits/shared_ptr_atomic.h: Likewise.
+ * include/bits/shared_ptr_base.h: Likewise.
+ * include/bits/slice_array.h: Likewise.
+ * include/bits/specfun.h: Likewise.
+ * include/bits/std_function.h: Likewise.
+ * include/bits/std_mutex.h: Likewise.
+ * include/bits/stl_deque.h: Likewise.
+ * include/bits/stl_iterator.h: Likewise.
+ * include/bits/stl_iterator_base_types.h: Likewise.
+ * include/bits/stl_map.h: Likewise.
+ * include/bits/stl_multimap.h: Likewise.
+ * include/bits/stl_multiset.h: Likewise.
+ * include/bits/stl_numeric.h: Likewise.
+ * include/bits/stl_pair.h: Likewise.
+ * include/bits/stl_set.h: Likewise.
+ * include/bits/stl_uninitialized.h: Likewise.
+ * include/bits/stream_iterator.h: Likewise.
+ * include/bits/streambuf_iterator.h: Likewise.
+ * include/bits/unique_ptr.h: Likewise.
+ * include/bits/unordered_map.h: Likewise.
+ * include/bits/unordered_set.h: Likewise.
+ * include/decimal/decimal: Likewise.
+ * include/experimental/any: Likewise.
+ * include/experimental/array: Likewise.
+ * include/experimental/bits/fs_dir.h: Likewise.
+ * include/experimental/bits/fs_fwd.h: Likewise.
+ * include/experimental/bits/fs_ops.h: Likewise.
+ * include/experimental/bits/fs_path.h: Likewise.
+ * include/experimental/buffer: Likewise.
+ * include/experimental/internet: Likewise.
+ * include/experimental/optional: Likewise.
+ * include/experimental/propagate_const: Likewise.
+ * include/experimental/socket: Likewise.
+ * include/ext/pb_ds/assoc_container.hpp: Likewise.
+ * include/ext/pb_ds/detail/priority_queue_base_dispatch.hpp:
+ Likewise.
+ * include/ext/pb_ds/detail/tree_policy/node_metadata_selector.hpp: Likewise.
+ * include/ext/pb_ds/detail/trie_policy/node_metadata_selector.hpp: Likewise.
+ * include/ext/pb_ds/detail/types_traits.hpp: Likewise.
+ * include/ext/pb_ds/exception.hpp: Likewise.
+ * include/ext/pb_ds/priority_queue.hpp: Likewise.
+ * include/ext/pb_ds/tag_and_trait.hpp: Likewise.
+ * include/ext/random: Likewise.
+ * include/std/any: Likewise.
+ * include/std/atomic: Likewise.
+ * include/std/bitset: Likewise.
+ * include/std/chrono: Likewise.
+ * include/std/complex: Likewise.
+ * include/std/condition_variable: Likewise.
+ * include/std/fstream: Likewise.
+ * include/std/future: Likewise.
+ * include/std/iostream: Likewise.
+ * include/std/istream: Likewise.
+ * include/std/mutex: Likewise.
+ * include/std/numeric: Likewise.
+ * include/std/ostream: Likewise.
+ * include/std/ratio: Likewise.
+ * include/std/shared_mutex: Likewise.
+ * include/std/stdexcept: Likewise.
+ * include/std/streambuf: Likewise.
+ * include/std/system_error: Likewise.
+ * include/std/thread: Likewise.
+ * include/std/valarray: Likewise.
+ * include/std/variant: Likewise.
+ * include/tr1/cmath: Likewise.
+ * include/tr1/regex: Likewise.
+ * include/tr2/dynamic_bitset: Likewise.
+ * libsupc++/atomic_lockfree_defines.h: Likewise.
+ * libsupc++/exception: Likewise.
+ * libsupc++/exception.h: Likewise.
+ * libsupc++/exception_ptr.h: Likewise.
+ * libsupc++/nested_exception.h: Likewise.
+
2021-03-31 Alexandre Oliva <oliva@adacore.com>
* testsuite/30_threads/future/members/poll.cc: Use faster