[gcc(refs/users/meissner/heads/work137-vsubreg)] Update ChangeLog.vsubreg

[Michael Meissner]

https://gcc.gnu.org/g:c28af3d68256a3cd87dfb99f40af6a5d7819ef56

commit c28af3d68256a3cd87dfb99f40af6a5d7819ef56
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Sep 29 01:48:05 2023 -0400

    Update ChangeLog.vsubreg

Diff:
---
 gcc/ChangeLog.vsubreg | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gcc/ChangeLog.vsubreg b/gcc/ChangeLog.vsubreg
index 91e23f4125a..290012e9990 100644
--- a/gcc/ChangeLog.vsubreg
+++ b/gcc/ChangeLog.vsubreg
@@ -1,5 +1,35 @@
+==================== Branch work137-vsubreg, patch #400 ====================
+
+Peter's patches for subreg support.
+
+2023-09-21  Peter Bergner  <bergner@linux.ibm.com>
+
+gcc/
+
+	PR target/109116
+	* gcc/config/rs6000/rs6000.cc (rs6000_modes_tieable_p): Make OOmdoe
+	tieable with 128-bit vector modes.
+
+2023-09-15  Peter Bergner  <bergner@linux.ibm.com>
+
+gcc/
+
+	PR target/109116
+	* gcc/config/rs6000/mma.md (vsx_disassemble_pair): Use SUBREG's instead
+	of UNSPEC's.
+	(mma_disassemble_acc): Likewise.
+
 ==================== Branch work137-vsubreg, baseline ====================
 
+Add ChangeLog.vsubreg and update REVISION.
+
+2023-09-29  Michael Meissner  <meissner@linux.ibm.com>
+
+gcc/
+
+	* ChangeLog.vsubreg: New file for branch.
+	* REVISION: Update.
+
 2023-09-29   Michael Meissner  <meissner@linux.ibm.com>
 
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