[gcc r12-815] Daily bump.

[GCC Administrator <gccadmin@gcc.gnu.org>]

https://gcc.gnu.org/g:1ba3f0ef546ec83fe28fef7f34e0ee9e52c6477f

commit r12-815-g1ba3f0ef546ec83fe28fef7f34e0ee9e52c6477f
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sun May 16 00:16:37 2021 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog | 21 +++++++++++++++++++++
 3 files changed, 71 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dfa8ae2824f..6a49afef126 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,52 @@
+2021-05-15  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
+	__ROP_PROTECT__ if -mrop-protect is selected.
+
+2021-05-15  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* config/rs6000/rs6000-internal.h (rs6000_stack): Add
+	rop_hash_save_offset and rop_hash_size.
+	* config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
+	rop_hash_size and rop_hash_save_offset.
+	(debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
+	(rs6000_emit_prologue): Emit hashst[p] in prologue.
+	(rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
+	* config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
+	UNSPEC_HASHCHK.
+	(hashst): New define_insn.
+	(hashchk): Likewise.
+
+2021-05-15  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* config/rs6000/rs6000.c (rs6000_option_override_internal):
+	Disable shrink wrap when inserting ROP-protect instructions.
+	* config/rs6000/rs6000.opt (mrop-protect): New option.
+	(mprivileged): Likewise.
+	* doc/invoke.texi: Document mrop-protect and mprivileged.
+
+2021-05-15  Hans-Peter Nilsson  <hp@axis.com>
+
+	* reorg.c (fill_slots_from_thread): Reinstate code typoed out in
+	"Remove CC0".
+
+2021-05-15  Martin Jambor  <mjambor@suse.cz>
+
+	Revert:
+	2021-05-13  Martin Jambor  <mjambor@suse.cz>
+
+	PR tree-optimization/100453
+	* tree-sra.c (sra_modify_assign): All const base accesses do not
+	need refreshing, not just those from decl_pool.
+	(sra_modify_assign): Do not refresh into a const base decl.
+
+2021-05-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/100342
+	* regcprop.c (copy_value): When copying a source reg in a wider
+	mode than it has recorded for the value, adjust recorded destination
+	mode too or punt if !REG_CAN_CHANGE_MODE_P.
+
 2021-05-14  Jason Merrill  <jason@redhat.com>
 
 	* intl.h: Add comments.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 40eb1cad583..a271d95c27f 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210515
+20210516
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 564795068b0..26b04e7cf7d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,24 @@
+2021-05-15  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* gcc.target/powerpc/rop-1.c: New.
+	* gcc.target/powerpc/rop-2.c: New.
+	* gcc.target/powerpc/rop-3.c: New.
+	* gcc.target/powerpc/rop-4.c: New.
+	* gcc.target/powerpc/rop-5.c: New.
+
+2021-05-15  Martin Jambor  <mjambor@suse.cz>
+
+	Revert:
+	2021-05-15  Martin Jambor  <mjambor@suse.cz>
+
+	PR tree-optimization/100453
+	* gcc.dg/tree-ssa/pr100453.c: New test.
+
+2021-05-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/100342
+	* gcc.target/i386/pr100342.c: New test.
+
 2021-05-14  Tobias Burnus  <tobias@codesourcery.com>
 
 	* gfortran.dg/gomp/parallel-master-1.f90: New test.