+2021-04-27 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
+ * config/rs6000/aix64.opt (m64): New.
+ (m32): New.
+
+2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
+
+ * config/vax/vax.c (print_operand_address, vax_address_cost_1)
+ (index_term_p): Handle ASHIFT too.
+
+2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
+
+ * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
+ (sync_lock_test_and_set<mode>): Adjust accordingly.
+ (sync_lock_release<mode>): Likewise.
+
+2021-04-27 Maciej W. Rozycki <macro@orcam.me.uk>
+
+ * config/vax/vax-protos.h (adjacent_operands_p): Remove
+ prototype.
+ * config/vax/vax.c (adjacent_operands_p): Remove.
+
+2021-04-27 Maciej W. Rozycki <macro@linux-mips.org>
+
+ * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
+ through to the non-conditional execution case if getting the
+ condition for conditional execution has failed.
+
+2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR middle-end/100284
+ * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
+ * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
+ than asserting on it.
+
+2021-04-27 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
+ with TARGET_AIX_OS.
+
+2021-04-27 David Edelsohn <dje.gcc@gmail.com>
+
+ PR target/94177
+ * calls.c (precompute_register_parameters): Additionally test
+ targetm.precompute_tls_p to pre-compute argument.
+ * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
+ * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
+ * target.def (precompute_tls_p): New.
+ * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
+ * doc/tm.texi: Regenerated.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/100200
+ * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
+ back to HOST_WIDE_INT.
+
+2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ PR target/100106
+ * simplify-rtx.c (simplify_context::simplify_subreg): Check the
+ memory alignment for the outer mode.
+
+2021-04-27 H.J. Lu <hjl.tools@gmail.com>
+
+ PR middle-end/90773
+ * expr.c (op_by_pieces_d::get_usable_mode): New member function.
+ (op_by_pieces_d::run): Cange a while loop to a do-while loop.
+
+2021-04-27 Alex Coplan <alex.coplan@arm.com>
+
+ PR target/99977
+ * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
+ with negative immediates: ensure we expand cbranchsi4_scratch
+ correctly and ensure we satisfy its constraints.
+ * config/arm/sync.md
+ (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
+ attempt to tie two output operands together with constraints;
+ collapse two alternatives.
+ (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
+ * config/arm/thumb1.md (cbranchsi4_neg_late): New.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/100200
+ * config/aarch64/predicates.md (aarch64_sub_immediate,
+ aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
+ * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
+ * config/aarch64/aarch64.c (aarch64_print_operand,
+ aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/100239
+ * tree-vect-generic.c (lower_vec_perm): Don't accept constant
+ permutations with all indices from the first zero element as vec_shl.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/100254
+ * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
+ last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99912
+ * passes.def: Add comment about new TODO_remove_unused_locals.
+ * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
+ at start.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99912
+ * passes.def (pass_all_optimizations): Add pass_dse before
+ the first pass_dce, move the first pass_dse before the
+ pass_dce following pass_pre.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/95527
+ * generic-match-head.c: Include tm.h.
+ * gimple-match-head.c: Include tm.h.
+ * match.pd (CLZ == INTEGER_CST): Don't use
+ #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
+ if clz == CFN_CLZ. Add missing val declaration.
+ (CTZ cmp CST): New simplifications.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/96696
+ * expr.c (expand_expr_divmod): New function.
+ (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
+ divisions. Formatting fixes.
+ <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
+ cheaper.
+
+2021-04-27 Martin Jambor <mjambor@suse.cz>
+
+ PR ipa/99951
+ * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
+ If removing a call statement LHS SSA name, release it.
+
+2021-04-27 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/100236
+ * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
+ is valid before including it in the mask.
+
+2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR target/100270
+ * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
+ SVE attributes.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/100051
+ * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
+ disambiguator based on access size vs. decl size.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/100278
+ * tree-ssa-pre.c (compute_avail): Give up when we cannot
+ adjust TBAA beacuse of mismatching bases.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/99405
+ * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
+ For any_rotate define_insn_split and following splitters, use
+ SWI iterator instead of SWI48.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99776
+ * match.pd (bit_field_ref (ctor)): Relax element extract
+ type compatibility checks.
+
+2021-04-27 Cui,Lili <lili.cui@intel.com>
+
+ * common/config/i386/i386-common.c (processor_names):
+ Sync processor_names with processor_type.
+ * config/i386/i386-options.c (processor_cost_table):
+ Sync processor_cost_table with processor_type.
+
2021-04-26 Aldy Hernandez <aldyh@redhat.com>
* value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
+2021-04-27 Jason Merrill <jason@redhat.com>
+
+ PR c++/92145
+ * g++.dg/cpp0x/depr-copy3.C: New test.
+
+2021-04-27 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/88580
+ * g++.dg/cpp0x/variadic182.C: New test.
+
+2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR middle-end/100284
+ * gcc.target/aarch64/sve/pr81003.c: New test.
+
+2021-04-27 Martin Sebor <msebor@redhat.com>
+
+ PR testsuite/100272
+ * g++.dg/ext/flexary13.C: Remove malformed directives.
+
+2021-04-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ PR target/100106
+ * gcc.c-torture/compile/pr100106.c: New testcase.
+
+2021-04-27 Alex Coplan <alex.coplan@arm.com>
+
+ PR target/99977
+ * gcc.target/arm/pr99977.c: New test.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/100239
+ * gcc.dg/pr100239.c: New test.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/100254
+ * g++.dg/opt/pr100254.C: New test.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99912
+ * gcc.dg/tree-ssa/ldist-33.c: Disable PRE and LIM.
+ * gcc.dg/tree-ssa/pr96789.c: Adjust dump file scanned.
+ * gcc.dg/tree-ssa/ssa-dse-28.c: Likewise.
+ * gcc.dg/tree-ssa/ssa-dse-29.c: Likewise.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/95527
+ * gcc.dg/tree-ssa/pr95527-2.c: New test.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/96696
+ * gcc.target/i386/pr96696.c: New test.
+
+2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR target/100270
+ * gcc.target/aarch64/sve/acle/general-c/pr100270_1.c: New test.
+ * gcc.target/aarch64/sve/acle/general-c/sizeless-2.c: Change
+ expected error message when subtracting pointers to different
+ vector types. Expect warnings when mixing them elsewhere.
+ * gcc.target/aarch64/sve/acle/general/attributes_7.c: Remove
+ XFAILs. Tweak error messages for some cases.
+
+2021-04-27 Richard Sandiford <richard.sandiford@arm.com>
+
+ * gcc.target/aarch64/simd/ssra.c: Use +nosve
+ * gcc.target/aarch64/simd/usra.c: Likewise.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/100051
+ * gcc.dg/tree-ssa/ssa-fre-92.c: New testcase.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR testsuite/100272
+ * gcc.dg/tree-ssa/predcom-1.c: Re-enable PRE and fix
+ malformed dg directive.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR testsuite/100272
+ * g++.dg/diagnostic/ptrtomem1.C: Fix dg directives.
+ * g++.dg/ipa/pr45572-2.C: Likewise.
+ * g++.dg/template/spec26.C: Likewise.
+ * gcc.dg/pr20126.c: Likewise.
+ * gcc.dg/tree-ssa/pr20739.c: Likewise.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/100278
+ * gcc.dg/tree-ssa/pr100278.c: New testcase.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/99405
+ * gcc.target/i386/pr99405.c: New test.
+
+2021-04-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/99776
+ * gcc.dg/tree-ssa/ssa-fre-91.c: New testcase.
+
2021-04-26 Patrick Palka <ppalka@redhat.com>
PR c++/100209
+2021-04-27 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/100290
+ * include/std/ranges (join_view::_Iterator::operator++): Correct
+ the return type of the lambda to avoid returning a copy of
+ _M_parent->_M_inner.
+ * testsuite/std/ranges/adaptors/join.cc (test10): New test.
+
+2021-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ Revert:
+ 2021-04-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/100182
+ * testsuite/29_atomics/atomic_float/1.cc: Add dg-xfail-run-if for
+ ia32.
+ * testsuite/29_atomics/atomic_float/wait_notify.cc: Add dg-skip-if for
+ ia32.
+
+2021-04-27 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/experimental/internet (address_v6::bytes_type): Adjust
+ formatting.
+ (basic_endpoint): Define _M_is_v6() to put all checks for
+ AF_INET6 in one place.
+ (basic_endpoint::resize): Simplify.
+ (operator==(const tcp&, const tcp&)): Add constexpr and noexcept.
+ (operator!=(const tcp&, const tcp&)): Likewise.
+ (operator==(const udp&, const udp&)): Likewise.
+ (operator!=(const udp&, const udp&)): Likewise.
+ * testsuite/experimental/net/internet/tcp.cc: New test.
+ * testsuite/experimental/net/internet/udp.cc: New test.
+
+2021-04-27 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/100286
+ * include/experimental/internet (resolver_errc, resolver_category())
+ (make_error_code, make_error_condition): Define unconditionally,
+ only make enumerators and use of gai_strerror depend on the
+ availability of <netdb.h>.
+ (address_v4::to_string): Use correct constant for string length.
+ (address_v4::to_string, address_v6::to_string): Define
+ unconditionally, throw if unsupported.
+ (make_address_v4, make_address_v6): Define unconditionally.
+ Return an error if unsupported.
+ (tcp, udp, v6_only, unicast::hops, multicast::*): Define
+ conditionally,
+ * testsuite/experimental/net/internet/socket/opt.cc: Check for
+ <netinet/in.h> and <netinet/tcp.h> before using types from
+ namespace net::ip.
+
+2021-04-27 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/100285
+ * include/experimental/internet (resolver_base::flags):
+ Define overloaded operators as hidden friends.
+ * include/experimental/socket (socket_base::message_flags):
+ Likewise.
+
2021-04-26 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/internet (tcp::no_delay, v6_only)
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