+2020-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/96685
+ * match.pd (~(X - Y) -> ~X + Y): New optimization.
+ (~X + Y -> (Y - X) - 1): Likewise.
+
+2020-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/96272
+ * tree-ssa-math-opts.c (uaddsub_overflow_check_p): Add OTHER argument.
+ Handle BIT_NOT_EXPR.
+ (match_uaddsub_overflow): Optimize unsigned a > ~b into
+ __imag__ .ADD_OVERFLOW (a, b).
+ (math_opts_dom_walker::after_dom_children): Call match_uaddsub_overflow
+ even for BIT_NOT_EXPR.
+
+2020-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/98183
+ * omp-low.c (lower_omp_target): Don't add OMP_RETURN for
+ data regions.
+ * omp-expand.c (expand_omp_target): Don't try to remove
+ OMP_RETURN for data regions.
+ (build_omp_regions_1, omp_make_gimple_edges): Don't expect
+ OMP_RETURN for data regions.
+
2020-12-11 Nathan Sidwell <nathan@acm.org>
* gcc.c (cpp_unique_options): Add Mmodules, Mno-modules.
+2020-12-12 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/98022
+ * data.c (gfc_assign_data_value): Handle inquiry references in
+ the data statement object list.
+
2020-12-08 Tobias Burnus <tobias@codesourcery.com>
* dump-parse-tree.c (show_omp_clauses, show_omp_node,
+2020-12-12 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/98022
+ * gfortran.dg/data_inquiry_ref.f90: New test.
+
+2020-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/96685
+ * gcc.dg/tree-ssa/pr96685-1.c: New test.
+ * gcc.dg/tree-ssa/pr96685-2.c: New test.
+ * gcc.dg/tree-ssa/pr96685-3.c: New test.
+
+2020-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/96272
+ * gcc.dg/tree-ssa/pr96272.c: New test.
+
+2020-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/98183
+ * gcc.dg/gomp/pr98183.c: New test.
+ * gcc.dg/goacc/pr98183.c: New test.
+
2020-12-11 Jason Merrill <jason@redhat.com>
* g++.dg/cpp2a/concepts-conv3.C: New test.
+2020-12-12 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/debug/macros.h (__glibcxx_check_can_increment_range): Replace
+ _GLIBCXX_DEBUG_VERIFY_COND_AT usage with _GLIBCXX_DEBUG_VERIFY_AT_F.
+ (__glibcxx_check_can_decrement_range): Likewise.
+ * testsuite/25_algorithms/copy_backward/constexpr.cc (test03): New.
+ * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: New test.
+ * testsuite/25_algorithms/copy_backward/debug/constexpr_neg.cc: New test.
+ * testsuite/25_algorithms/equal/constexpr_neg.cc: New test.
+ * testsuite/25_algorithms/equal/debug/constexpr_neg.cc: New test.
+
2020-12-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/98226