+2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR tree-optimization/98302
+ * tree-vect-patterns.c (vect_determine_precisions_from_users): Make
+ sure that the precision remains greater than the shift count.
+
+2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR tree-optimization/94994
+ * tree-vect-data-refs.c (vect_vfa_align): Use dr_alignment.
+
+2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR rtl-optimization/98214
+ * genmodes.c (emit_insn_modes_h): Emit a definition of CONST_MODE_MASK.
+ (emit_mode_mask): Treat mode_mask_array as non-constant if adj_nunits.
+ (emit_mode_adjustments): Update GET_MODE_MASK when updating
+ GET_MODE_NUNITS.
+ * machmode.h (mode_mask_array): Use CONST_MODE_MASK.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/94802
+ * match.pd (clz(X) == 0 -> (int)X < 0): New simplification.
+ (clz(X) == (prec-1) -> X == 1): Likewise.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/94785
+ * match.pd ((-(X < 0) | 1) * X -> abs (X)): New simplification.
+ ((-(X < 0) | 1U) * X -> absu (X)): Likewise.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/98474
+ * wide-int.cc (wi::to_mpz): If wide_int has MSB set, but type
+ is unsigned and excess negative, append set bits after len until
+ precision.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/98206
+ * fold-const.c: Include asan.h.
+ (fold_unary_loc): Don't optimize (ptr_type) (((ptr_type2) x) p+ y)
+ into ((ptr_type) x) p+ y if sanitizing alignment in GENERIC and
+ ptr_type points to type with higher alignment than ptr_type2.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/56719
+ * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
+ x < C && y < C && z < C when C is a power of two constant into
+ (x | y | z) < C.
+
2020-12-30 Uroš Bizjak <ubizjak@gmail.com>
* config/i386/i386.md: Remove unnecessary clobbers
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR testsuite/98489
+ PR tree-optimization/56719
+ * gcc.dg/tree-ssa/pr56719.c: Remove semicolon from
+ scan-tree-dump-times regexps.
+
+2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR tree-optimization/98302
+ * gcc.dg/vect/pr98302.c: New test.
+
+2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR tree-optimization/94994
+ * gcc.dg/vect/pr94994.c: New test.
+
+2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR rtl-optimization/98214
+ * gcc.target/aarch64/sve/pr98214.c: New file.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/94802
+ * gcc.dg/tree-ssa/pr94802-1.c: New test.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/94785
+ * gcc.dg/tree-ssa/pr94785.c: New test.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/98474
+ * gcc.c-torture/execute/pr98474.c: New test.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/98206
+ * g++.dg/ubsan/align-4.C: New test.
+
+2020-12-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/56719
+ * gcc.dg/tree-ssa/pr56719.c: New test.
+
2020-12-30 Jakub Jelinek <jakub@redhat.com>
PR target/98461