[gcc r9-9542] Daily bump.

[gcc r9-9542] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:8091c46cf736124a106922ddfd1fdb99f33b0241

commit r9-9542-g8091c46cf736124a106922ddfd1fdb99f33b0241
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Wed May 19 00:19:13 2021 +0000

    Daily bump.

Diff:
---
 contrib/ChangeLog       |  7 +++++++
 gcc/ChangeLog           | 35 +++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog | 10 ++++++++++
 4 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 66343a6b835..5e93172c33a 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,10 @@
+2021-05-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-05-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	* gcc-changelog/git_email.py: Remove use of non-strict mode.
+
 2021-05-14  Martin Liska  <mliska@suse.cz>
 
 	* gcc-changelog/git_check_commit.py: Sync from master.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1d970773ba8..3e9bf96cd02 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,38 @@
+2021-05-18  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-01-28  Richard Biener  <rguenther@suse.de>
+
+	PR rtl-optimization/80960
+	* dse.c (check_mem_read_rtx): Call get_addr on the
+	offsetted address.
+
+2021-05-18  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/96513
+	* tree-vect-slp.c (struct vdhs_data): New.
+	(vect_detect_hybrid_slp): New walker.
+	(vect_detect_hybrid_slp): Rewrite.
+
+2021-05-18  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/96597
+	* tree-ssa-sccvn.c (vn_reference_lookup_call): Add missing
+	initialization of ::punned.
+	(vn_reference_insert): Use consistently false instead of 0.
+	(vn_reference_insert_pieces): Likewise.
+
+2021-05-18  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/88240
+	* tree-ssa-sccvn.h (vn_reference_s::punned): New flag.
+	* tree-ssa-sccvn.c (vn_reference_insert): Initialize punned.
+	(vn_reference_insert_pieces): Likewise.
+	(visit_reference_op_call): Likewise.
+	(visit_reference_op_load): Track whether a ref was punned.
+	* tree-ssa-pre.c (do_hoist_insertion): Refuse to perform hoist
+	insertion on punned floating point loads.
+
 2021-05-17  Richard Biener  <rguenther@suse.de>
 
 	Backported from master:
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 7fa5a770779..da5d88b61f7 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210518
+20210519
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 336b9703c98..a5b1c5f2556 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,13 @@
+2021-05-18  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/96513
+	* gcc.dg/torture/pr96513.c: New testcase.
+
+2021-05-18  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/88240
+	* gcc.target/i386/pr88240.c: New testcase.
+
 2021-05-17  Richard Biener  <rguenther@suse.de>
 
 	Backported from master: