[gcc/devel/omp/gcc-12] Add missing changelog entries

[Andrew Stubbs <ams@gcc.gnu.org>]

https://gcc.gnu.org/g:e7f0cec3b8e43e287ecde4183b40d786f0acc917

commit e7f0cec3b8e43e287ecde4183b40d786f0acc917
Author: Andrew Stubbs <ams@codesourcery.com>
Date:   Thu Apr 20 12:20:47 2023 +0100

    Add missing changelog entries

Diff:
---
 gcc/ChangeLog.omp           | 18 ++++++++++++++++++
 gcc/testsuite/ChangeLog.omp |  7 +++++++
 2 files changed, 25 insertions(+)

diff --git a/gcc/ChangeLog.omp b/gcc/ChangeLog.omp
index 566643d62fe..5fea0ebc96a 100644
--- a/gcc/ChangeLog.omp
+++ b/gcc/ChangeLog.omp
@@ -1,3 +1,21 @@
+2023-04-20  Andrew Stubbs  <ams@codesourcery.com>
+
+	Backport from mainline:
+	Andrew Stubbs  <ams@codesourcery.com>
+
+	* config/gcn/gcn-valu.md (SV_SFDF): New iterator.
+	(SV_FP): New iterator.
+	(scalar_mode, SCALAR_MODE): Add identity mappings for scalar modes.
+	(recip<mode>2): Unify the two patterns using SV_FP.
+	(div_scale<mode><exec_vcc>): New insn.
+	(div_fmas<mode><exec>): New insn.
+	(div_fixup<mode><exec>): New insn.
+	(div<mode>3): Unify the two expanders and rewrite using hardfp.
+	* config/gcn/gcn.cc (gcn_md_reorg): Support "vccwait" attribute.
+	* config/gcn/gcn.md (unspec): Add UNSPEC_DIV_SCALE, UNSPEC_DIV_FMAS,
+	and UNSPEC_DIV_FIXUP.
+	(vccwait): New attribute.
+
 2023-04-13  Andrew Stubbs  <ams@codesourcery.com>
 
 	Backport from mainline:
diff --git a/gcc/testsuite/ChangeLog.omp b/gcc/testsuite/ChangeLog.omp
index b7611bd6a13..16fe6f47379 100644
--- a/gcc/testsuite/ChangeLog.omp
+++ b/gcc/testsuite/ChangeLog.omp
@@ -1,3 +1,10 @@
+2023-04-20  Andrew Stubbs  <ams@codesourcery.com>
+
+	Backport from mainline:
+	Andrew Stubbs  <ams@codesourcery.com>
+
+	* gcc.target/gcn/fpdiv.c: Remove the -ffast-math requirement.
+
 2023-04-13  Andrew Stubbs  <ams@codesourcery.com>
 
 	Backport from mainline: