[gcc r9-8919] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:03732d58b0388f04893577ffca32c282581843be

commit r9-8919-g03732d58b0388f04893577ffca32c282581843be
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Sep 19 00:18:25 2020 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 27 +++++++++++++++++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog |  9 +++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dc4835f3771..9cd3864a8ac 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,30 @@
+2020-09-18  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-09-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/97053
+	* gimple-ssa-store-merging.c (check_no_overlap): Add FIRST_ORDER,
+	START, FIRST_EARLIER and LAST_EARLIER arguments.  Return false if
+	any stores between FIRST_EARLIER inclusive and LAST_EARLIER exclusive
+	has order in between FIRST_ORDER and LAST_ORDER and overlaps the to
+	be merged store.
+	(imm_store_chain_info::try_coalesce_bswap): Add FIRST_EARLIER argument.
+	Adjust check_no_overlap caller.
+	(imm_store_chain_info::coalesce_immediate_stores): Add first_earlier
+	and last_earlier variables, adjust them during iterations.  Adjust
+	check_no_overlap callers, call check_no_overlap even when extending
+	overlapping stores by extra INTEGER_CST stores.
+
+2020-09-18  Richard Sandiford  <richard.sandiford@arm.com>
+
+	Backported from master:
+	2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* config/arm/arm-builtins.c (arm_atomic_assign_expand_fenv): Use
+	TARGET_EXPR instead of MODIFY_EXPR for the first assignments to
+	fenv_var and new_fenv_var.
+
 2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* config/arm/arm-builtins.c (arm_atomic_assign_expand_fenv): Use
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 1900f8394ad..795f43e0fdb 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200918
+20200919
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 75fb9c57faa..0bfcaac316d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2020-09-18  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2020-09-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/97053
+	* gcc.dg/store_merging_31.c: New test.
+	* gcc.dg/store_merging_32.c: New test.
+
 2020-09-17  liuhongt  <hongtao.liu@intel.com>
 
 	* gcc.target/i386/xsave-avx-1.c: New test.