+2022-02-21 Dan Li <ashimida@linux.alibaba.com>
+
+ * config/aarch64/aarch64.cc (SLOT_REQUIRED):
+ Change wb_candidate[12] to wb_push_candidate[12].
+ (aarch64_layout_frame): Likewise, and
+ change callee_adjust when scs is enabled.
+ (aarch64_save_callee_saves):
+ Change wb_candidate[12] to wb_push_candidate[12].
+ (aarch64_restore_callee_saves):
+ Change wb_candidate[12] to wb_pop_candidate[12].
+ (aarch64_get_separate_components):
+ Change wb_candidate[12] to wb_push_candidate[12].
+ (aarch64_expand_prologue): Push x30 onto SCS before it's
+ pushed onto stack.
+ (aarch64_expand_epilogue): Pop x30 frome SCS, while
+ preventing it from being popped from the regular stack again.
+ (aarch64_override_options_internal): Add SCS compile option check.
+ (TARGET_HAVE_SHADOW_CALL_STACK): New hook.
+ * config/aarch64/aarch64.h (struct GTY): Add is_scs_enabled,
+ wb_pop_candidate[12], and rename wb_candidate[12] to
+ wb_push_candidate[12].
+ * config/aarch64/aarch64.md (scs_push): New template.
+ (scs_pop): Likewise.
+ * doc/invoke.texi: Document -fsanitize=shadow-call-stack.
+ * doc/tm.texi: Regenerate.
+ * doc/tm.texi.in: Add hook have_shadow_call_stack.
+ * flag-types.h (enum sanitize_code):
+ Add SANITIZE_SHADOW_CALL_STACK.
+ * opts.cc (parse_sanitizer_options): Add shadow-call-stack
+ and exclude SANITIZE_SHADOW_CALL_STACK.
+ * target.def: New hook.
+ * toplev.cc (process_options): Add SCS compile option check.
+ * ubsan.cc (ubsan_expand_null_ifn): Enum type conversion.
+
+2022-02-21 Tom de Vries <tdevries@suse.de>
+
+ PR target/104440
+ * config/nvptx/nvptx.cc (workaround_uninit_method_1)
+ (workaround_uninit_method_2, workaround_uninit_method_3)
+ (workaround_uninit): New function.
+ (nvptx_reorg): Use workaround_uninit.
+ * config/nvptx/nvptx.opt (minit-regs): New option.
+
+2022-02-21 Andre Vieira <andre.simoesdiasvieira@arm.com>
+
+ PR rtl-optimization/104498
+ * alias.cc (compare_base_symbol_refs): Correct distance computation
+ when swapping x and y.
+
+2022-02-21 Andrew Pinski <apinski@marvell.com>
+
+ PR c/104506
+ * tree-ssa.cc (tree_ssa_useless_type_conversion):
+ Check the inner type before calling useless_type_conversion_p.
+
2022-02-19 Tom de Vries <tdevries@suse.de>
* config/nvptx/nvptx.cc (nvptx_reorg_uniform_simt): Handle SET insn.
+2022-02-21 Dan Li <ashimida@linux.alibaba.com>
+
+ * gcc.target/aarch64/shadow_call_stack_1.c: New test.
+ * gcc.target/aarch64/shadow_call_stack_2.c: New test.
+ * gcc.target/aarch64/shadow_call_stack_3.c: New test.
+ * gcc.target/aarch64/shadow_call_stack_4.c: New test.
+ * gcc.target/aarch64/shadow_call_stack_5.c: New test.
+ * gcc.target/aarch64/shadow_call_stack_6.c: New test.
+ * gcc.target/aarch64/shadow_call_stack_7.c: New test.
+ * gcc.target/aarch64/shadow_call_stack_8.c: New test.
+
+2022-02-21 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/85493
+ * g++.dg/cpp0x/decltype80.C: New test.
+
+2022-02-21 Andrew Pinski <apinski@marvell.com>
+
+ PR c/104506
+ * gcc.dg/pr104506-1.c: New test.
+ * gcc.dg/pr104506-2.c: New test.
+ * gcc.dg/pr104506-3.c: New test.
+
2022-02-20 Iain Buclaw <ibuclaw@gdcproject.org>
* gdc.dg/special1.d: New file.