[gcc(refs/users/meissner/heads/work111)] Update ChangeLog.meissner

[Michael Meissner <meissner@gcc.gnu.org>]

https://gcc.gnu.org/g:f7da986151cfd3ceff7ff8ca9cebbe4a94daa558

commit f7da986151cfd3ceff7ff8ca9cebbe4a94daa558
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Mar 17 14:09:36 2023 -0400

    Update ChangeLog.meissner

Diff:
---
 gcc/ChangeLog.meissner | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner
index ca61de66604..518d2a4460e 100644
--- a/gcc/ChangeLog.meissner
+++ b/gcc/ChangeLog.meissner
@@ -1,3 +1,28 @@
+==================== Branch work111, patch #22 ====================
+
+Make load/cmp fusion know about prefixed loads.
+
+2023-03-16   Michael Meissner  <meissner@linux.ibm.com>
+             Aaron Sawdey  <acsawdey@linux.ibm.com>
+
+gcc/
+
+	PR target/105325
+	* gcc/config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Improve generation
+	of the ld and lwa instructions which use the DS encoding instead of D.
+	Use the YZ constraint for these loads.	Handle prefixed loads better.
+	Set the sign_extend attribute as appropriate.
+	* gcc/config/rs6000/fusion.md: Regenerate.
+	* gcc/config/rs6000/rs6000.md (prefixed attribute): Add fused_load_cmpi
+	instructions to the list of instructions that might have a prefixed load
+	instruction.
+
+gcc/testsuite/
+
+	PR target/105325
+	* g++.target/powerpc/pr105325.C: New test.
+	* gcc.target/powerpc/fusion-p10-ldcmpi.c: Adjust insn counts.
+
 ==================== Branch work111, patch #21 ====================
 
 Make load/cmp fusion know about prefixed loads.