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From: Michael Meissner <meissner@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/meissner/heads/dmf004)] Update ChangeLog.meissner.
X-Act-Checkin: gcc
X-Git-Author: Michael Meissner <meissner@linux.ibm.com>
X-Git-Refname: refs/users/meissner/heads/dmf004
X-Git-Oldrev: cc045071b71691506e598fd39969e18dd05cc6f5
X-Git-Newrev: cae8a017e32eb9467b89d663800de84be1783a57
Message-Id: <20221116083020.1C2F23955CBD@sourceware.org>
Date: Wed, 16 Nov 2022 08:30:20 +0000 (GMT)
List-Id: <gcc-cvs.sourceware.org>

https://gcc.gnu.org/g:cae8a017e32eb9467b89d663800de84be1783a57

commit cae8a017e32eb9467b89d663800de84be1783a57
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Wed Nov 16 03:29:30 2022 -0500

    Update ChangeLog.meissner.
    
    2022-11-16   Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * ChangeLog.meissner: Update.

Diff:
---
 gcc/ChangeLog.meissner | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner
index 01dfa7e2868..e0b854db699 100644
--- a/gcc/ChangeLog.meissner
+++ b/gcc/ChangeLog.meissner
@@ -1,3 +1,15 @@
+==================== Dmf004 branch, patch #23.
+
+Don't do load/store vector with length if overlap.
+
+2022-11-16   Michael Meissner  <meissner@linux.ibm.com>
+
+gcc/
+
+	* config/rs6000/rs6000-string.cc (expand_block_move): Don't do the
+	optimization to use load/store vector with length if the source and
+	destination might overlap.
+
 ==================== Dmf004 branch, patch #22.
 
 Allow for inline code for memcpy to move more than 16 bytes.