[gcc r12-3361] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:66bba4dc263d42b6a2254b68fe8706302071f880

commit r12-3361-g66bba4dc263d42b6a2254b68fe8706302071f880
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Mon Sep 6 00:16:18 2021 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog | 34 ++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP |  2 +-
 2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 393eba20fdf..9defb5f1ef1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,37 @@
+2021-09-05  Aldy Hernandez  <aldyh@redhat.com>
+
+	* gimple-range-path.cc (path_range_query::range_of_stmt): Remove
+	GIMPLE_COND special casing.
+	(path_range_query::range_defined_in_block): Use range_of_stmt
+	instead of calling fold_range directly.
+
+2021-09-05  Aldy Hernandez  <aldyh@redhat.com>
+
+	* gimple-range-path.cc (path_range_query::range_of_expr): Set
+	m_undefined_path when appropriate.
+	(path_range_query::internal_range_of_expr): Copy from range_of_expr.
+	(path_range_query::unreachable_path_p): New.
+	(path_range_query::precompute_ranges): Set m_undefined_path.
+	* gimple-range-path.h (path_range_query::unreachable_path_p): New.
+	(path_range_query::internal_range_of_expr): New.
+	* tree-ssa-threadbackward.c (back_threader::find_taken_edge_cond):
+	Use unreachable_path_p.
+
+2021-09-05  Aldy Hernandez  <aldyh@redhat.com>
+
+	* tree-ssa-threadbackward.c (back_threader::maybe_register_path):
+	Remove argument and call find_taken_edge.
+	(back_threader::resolve_phi): Do not calculate taken edge before
+	calling maybe_register_path.
+	(back_threader::find_paths_to_names): Same.
+
+2021-09-05  Jeff Law  <jlaw@localhost.localdomain>
+
+	* config/h8300/h8300.md (QHSI2 mode iterator): New mode iterator.
+	* config/h8300/testcompare.md (store_c): Update name, use new
+	QHSI2 iterator.
+	(store_neg_c, store_shifted_c): New patterns.
+
 2021-09-03  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	PR target/102107
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 7633bd11fbf..7ef53293a13 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210905
+20210906