+2021-11-24 Jan Hubicka <hubicka@ucw.cz>
+
+ * ipa-modref.c (implicit_eaf_flags_for_edge_and_arg): Break out from...
+ (modref_merge_call_site_flags): ... here.
+ (ipa_merge_modref_summary_after_inlining): Use it.
+
+2021-11-24 Thomas Schwinge <thomas@codesourcery.com>
+
+ * cfgloop.c (verify_loop_structure): Reduce scope of
+ 'class loop *loop' variable.
+ * ipa-fnsummary.c (analyze_function_body): Likewise.
+ * loop-init.c (fix_loop_structure): Likewise.
+ * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
+ * predict.c (predict_loops): Likewise.
+ * tree-loop-distribution.c (loop_distribution::execute): Likewise.
+ * tree-vectorizer.c (pass_vectorize::execute): Likewise.
+
+2021-11-24 Andrew MacLeod <amacleod@redhat.com>
+
+ PR tree-optimization/103231
+ * gimple-range.cc (gimple_ranger::gimple_ranger): Create stmt stack.
+ (gimple_ranger::gimple_ranger): Delete stmt stack.
+ (gimple_ranger::range_of_stmt): Process depenedencies if they have no
+ global cache entry.
+ (gimple_ranger::prefill_name): New.
+ (gimple_ranger::prefill_stmt_dependencies): New.
+ * gimple-range.h (class gimple_ranger): Add prototypes.
+
+2021-11-24 Andrew MacLeod <amacleod@redhat.com>
+
+ * gimple-range-cache.cc (ranger_cache::get_global_range): Always
+ return a range, return if it came from the cache or not.
+ (get_non_stale_global_range): Rename to get_global_range, and return
+ the temporal state in a flag.
+ * gimple-range-cache.h (get_non_stale_global_range): Rename and adjust.
+ * gimple-range.cc (gimple_ranger::range_of_expr): No need to query
+ get_global_range.
+ (gimple_ranger::range_of_stmt): Adjust for global cache temporal state
+ returned in a flag.
+
+2021-11-24 Andrew MacLeod <amacleod@redhat.com>
+
+ * gimple-range.cc (gimple_ranger::range_on_edge): Call trailer when
+ a constant is encountered to terminate the trace.
+
+2021-11-24 Maciej W. Rozycki <macro@embecosm.com>
+
+ PR middle-end/103059
+ * reload.c (find_reloads_address_1): Also accept the ASHIFT form
+ of indexed addressing.
+ (find_reloads): Adjust accordingly.
+
+2021-11-24 Richard Biener <rguenther@suse.de>
+ Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/103168
+ * ipa-modref.h (struct modref_summary): Add load_accesses.
+ * ipa-modref.c (modref_summary::finalize): Initialize load_accesses.
+ * tree-ssa-sccvn.c (visit_reference_op_call): Use modref
+ info to walk the virtual use->def chain to CSE const/pure
+ function calls possibly reading from memory.
+
+2021-11-24 Thomas Schwinge <thomas@codesourcery.com>
+
+ PR middle-end/103244
+ * gimplify.c (gimplify_adjust_omp_clauses): Restore previous
+ OpenACC behavior.
+
+2021-11-24 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/103193
+ * match.pd: Avoid canonicalizing (le/ge @0 @0) to (eq @0 @0)
+ with NaNs and -ftrapping-math.
+
+2021-11-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/103384
+ * omp-general.c (omp_context_selector_matches): For ACCEL_COMPILER,
+ return 0 for kind(host) and continue for kind(nohost).
+
+2021-11-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/103365
+ * attribs.h (lookup_attribute): Allow attr_name to start with
+ underscore, as long as canonicalize_attr_name returns false.
+ (lookup_attribute_by_prefix): Don't call get_attribute_name twice.
+ * attribs.c (extract_attribute_substring): Reimplement using
+ canonicalize_attr_name.
+ (register_scoped_attribute): Change gcc_assert into
+ gcc_checking_assert, verify !canonicalize_attr_name rather than
+ that str.str doesn't start with '_'.
+
+2021-11-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/103376
+ * gimple-ssa-store-merging.c (perform_symbolic_merge): Add CODE
+ argument. If CODE is not BIT_IOR_EXPR, ensure that one of masked1
+ or masked2 is 0.
+ (find_bswap_or_nop_1, find_bswap_or_nop,
+ imm_store_chain_info::try_coalesce_bswap): Adjust
+ perform_symbolic_merge callers.
+
+2021-11-24 Richard Biener <rguenther@suse.de>
+
+ * tree-ssa-loop-ivopts.c (find_givs): Take loop body as
+ argument instead of re-computing it.
+ (find_interesting_uses): Likewise.
+ (find_induction_variables): Pass through loop body.
+ (tree_ssa_iv_optimize_loop): Pass down loop body.
+
+2021-11-24 Tamar Christina <tamar.christina@arm.com>
+
+ * tree-ssa-phiopt.c (spaceship_replacement): Handle new canonical
+ codegen.
+
+2021-11-24 Tamar Christina <tamar.christina@arm.com>
+
+ * tree.c (bitmask_inv_cst_vector_p): New.
+ * tree.h (bitmask_inv_cst_vector_p): New.
+ * match.pd: Use it in new bitmask compare pattern.
+
+2021-11-24 Jason Merrill <jason@redhat.com>
+
+ * timevar.h (class auto_cond_timevar): New.
+
+2021-11-24 Hongtao Liu <hongtao.liu@intel.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ PR tree-optimization/103194
+ * match.pd (gimple_nop_atomic_bit_test_and_p): Extended to
+ match truncation.
+ * tree-ssa-ccp.c (gimple_nop_convert): Declare.
+ (optimize_atomic_bit_test_and): Enhance
+ optimize_atomic_bit_test_and to handle truncation.
+
2021-11-23 Martin Sebor <msebor@redhat.com>
PR middle-end/88232
+2021-11-24 Jan Hubicka <hubicka@ucw.cz>
+
+ * gcc.c-torture/execute/pr103405.c: New test.
+
+2021-11-24 Richard Biener <rguenther@suse.de>
+ Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/103168
+ * g++.dg/tree-ssa/pr103168.C: New testcase.
+
+2021-11-24 Thomas Schwinge <thomas@codesourcery.com>
+
+ PR middle-end/103244
+ * c-c++-common/goacc/combined-reduction.c: Revert/expect previous
+ OpenACC behavior.
+ * c-c++-common/goacc/firstprivate-mappings-1.c: Likewise.
+ * c-c++-common/goacc/mdc-1.c: Likewise.
+ * g++.dg/goacc/firstprivate-mappings-1.C: Likewise.
+
+2021-11-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/103365
+ * c-c++-common/Wno-attributes-1.c: Require effective target
+ c || c++11 and drop dg-additional-options.
+ * c-c++-common/Wno-attributes-2.c: Likewise.
+ * c-c++-common/Wno-attributes-4.c: New test.
+ * c-c++-common/Wno-attributes-5.c: New test.
+
+2021-11-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/103376
+ * gcc.c-torture/execute/pr103376.c: New test.
+
+2021-11-24 Tamar Christina <tamar.christina@arm.com>
+
+ * gcc.dg/bic-bitmask-10.c: New test.
+ * gcc.dg/bic-bitmask-11.c: New test.
+ * gcc.dg/bic-bitmask-12.c: New test.
+ * gcc.dg/bic-bitmask-13.c: New test.
+ * gcc.dg/bic-bitmask-14.c: New test.
+ * gcc.dg/bic-bitmask-15.c: New test.
+ * gcc.dg/bic-bitmask-16.c: New test.
+ * gcc.dg/bic-bitmask-17.c: New test.
+ * gcc.dg/bic-bitmask-18.c: New test.
+ * gcc.dg/bic-bitmask-19.c: New test.
+ * gcc.dg/bic-bitmask-2.c: New test.
+ * gcc.dg/bic-bitmask-20.c: New test.
+ * gcc.dg/bic-bitmask-21.c: New test.
+ * gcc.dg/bic-bitmask-22.c: New test.
+ * gcc.dg/bic-bitmask-23.c: New test.
+ * gcc.dg/bic-bitmask-3.c: New test.
+ * gcc.dg/bic-bitmask-4.c: New test.
+ * gcc.dg/bic-bitmask-5.c: New test.
+ * gcc.dg/bic-bitmask-6.c: New test.
+ * gcc.dg/bic-bitmask-7.c: New test.
+ * gcc.dg/bic-bitmask-8.c: New test.
+ * gcc.dg/bic-bitmask-9.c: New test.
+ * gcc.dg/bic-bitmask.h: New test.
+ * gcc.target/aarch64/bic-bitmask-1.c: New test.
+
+2021-11-24 Marek Polacek <polacek@redhat.com>
+
+ PR c++/103347
+ * g++.dg/cpp0x/nsdmi-warn1.C: New test.
+ * g++.dg/cpp0x/nsdmi-warn1.h: New file.
+
+2021-11-24 Hongtao Liu <hongtao.liu@intel.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ * gcc.target/i386/pr103194-2.c: New test.
+ * gcc.target/i386/pr103194-3.c: New test.
+ * gcc.target/i386/pr103194-4.c: New test.
+ * gcc.target/i386/pr103194-5.c: New test.
+ * gcc.target/i386/pr103194.c: New test.
+
2021-11-23 Martin Sebor <msebor@redhat.com>
PR c++/96507