+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-13 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105250
+ * fold-const.c (fold_convertible_p): Revert
+ r12-7979-geaaf77dd85c333, instead check for size equality
+ of the vector types involved.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-04 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/105140
+ * fold-const.c (fold_convertible_p): Allow a TYPE_P arg.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105163
+ * tree-ssa-reassoc.c (repropagate_negates): Avoid propagating
+ negated abnormals.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105173
+ * tree-ssa-reassoc.c (find_insert_point): Get extra
+ insert_before output argument and compute it.
+ (insert_stmt_before_use): Adjust.
+ (rewrite_expr_tree): Likewise.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-29 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105431
+ * tree-ssa-math-opts.c (powi_as_mults_1): Make n unsigned.
+ (powi_as_mults): Use absu_hwi.
+ (gimple_expand_builtin_powi): Remove now pointless n != -n
+ check.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-25 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105368
+ * tree-ssa-math-opts.c (powi_cost): Use absu_hwi.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-05-11 Richard Biener <rguenther@suse.de>
+
+ PR rtl-optimization/105559
+ * cfgrtl.c (delete_insn_and_edges): Only perform search to BB_END
+ for non-debug insns.
+
2022-05-23 Paul A. Clarke <pc@us.ibm.com>
PR target/104257
+2022-05-27 Kewen Lin <linkw@linux.ibm.com>
+
+ Backported from master:
+ 2022-04-18 Kewen Lin <linkw@linux.ibm.com>
+
+ PR testsuite/105266
+ * gcc.dg/pr105250.c: Skip for powerpc*-*-* and s390*-*-*.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-13 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105250
+ * gcc.dg/pr105250.c: New testcase.
+
+2022-05-27 Andreas Krebbel <krebbel@linux.ibm.com>
+
+ Backported from master:
+ 2022-04-07 Andreas Krebbel <krebbel@linux.ibm.com>
+
+ PR target/105147
+ * gcc.dg/pr105140.c: Skip for s390*-*-*.
+
+2022-05-27 Segher Boessenkool <segher@kernel.crashing.org>
+
+ Backported from master:
+ 2022-04-06 Segher Boessenkool <segher@kernel.crashing.org>
+
+ PR target/105147
+ * gcc.dg/pr105140.c: Skip for powerpc*-*-*.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-04 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/105140
+ * gcc.dg/pr105140.c: New testcase.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105163
+ * gcc.dg/torture/pr105163.c: New testcase.
+
+2022-05-27 Richard Biener <rguenther@suse.de>
+
+ Backported from master:
+ 2022-04-06 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/105173
+ * gcc.dg/pr105173.c: New testcase.
+
2022-05-25 Jason Merrill <jason@redhat.com>
PR c++/102307