[gcc(refs/users/meissner/heads/work098)] Update ChangeLog.meissner.

[Michael Meissner]

https://gcc.gnu.org/g:6ea1de2eeeb05776e0fefcb0eb33141967b6469a

commit 6ea1de2eeeb05776e0fefcb0eb33141967b6469a
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Wed Aug 17 19:12:25 2022 -0400

    Update ChangeLog.meissner.
    
    2022-08-17   Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * ChangeLog.meissner: Update.

Diff:
---
 gcc/ChangeLog.meissner | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner
index 2585391109c..10503baba94 100644
--- a/gcc/ChangeLog.meissner
+++ b/gcc/ChangeLog.meissner
@@ -1,3 +1,18 @@
+==================== work098, patch #9
+
+Make __float128 use the _Float128 type.
+
+2022-08-17   Michael Meissner  <meissner@linux.ibm.com>
+
+gcc/
+
+	* config/rs6000/rs6000-builtin.cc (rs6000_init_builtins): Always use the
+	_Float128 type for __float128.  Don't use the long double type.
+	* config/rs6000/rs6000.cc (rs6000_libgcc_floating_mode_supported_p):
+	Always use KFmode for Float128 mode.
+	(rs6000_floatn_mode): Likewise.
+	(rs6000_c_mode_for_suffix): Likewise.
+
 ==================== work098, patch #8
 
 Update switching between equivalent 128-bit FP in builtins