[gcc(refs/users/meissner/heads/work221-float)] Revert changes

[Michael Meissner]

https://gcc.gnu.org/g:13f74d4cb0a189ef3331402b8c62df6feb09397e

commit 13f74d4cb0a189ef3331402b8c62df6feb09397e
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Sep 12 21:08:51 2025 -0400

    Revert changes

Diff:
---
 gcc/ChangeLog.float               | 12 +-----------
 gcc/config/rs6000/rs6000-cpus.def |  3 +--
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/gcc/ChangeLog.float b/gcc/ChangeLog.float
index fe79ead84f58..344a688d94b9 100644
--- a/gcc/ChangeLog.float
+++ b/gcc/ChangeLog.float
@@ -1,14 +1,4 @@
-==================== Branch work221-float, patch #317 ====================
-
-Make -mbfloat16 default on power10.
-
-2025-09-12  Michael Meissner  <meissner@linux.ibm.com>
-
-gcc/
-
-	* config/rs6000/rs6000-cpus.def (OTHER_POWER10_MASKS): Make -mbfloat16
-	default on power10.
-
+==================== Branch work221-float, patch #317 was reverted ====================
 ==================== Branch work221-float, patch #316 was reverted ====================
 ==================== Branch work221-float, patch #315 was reverted ====================
 
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index f2fa60ea183b..798b6404f7e9 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -72,8 +72,7 @@
 /* Flags that need to be turned off if -mno-power10.  */
 /* We comment out PCREL_OPT here to disable it by default because SPEC2017
    performance was degraded by it.  */
-#define OTHER_POWER10_MASKS	(OPTION_MASK_BFLOAT16			\
-				 | OPTION_MASK_MMA			\
+#define OTHER_POWER10_MASKS	(OPTION_MASK_MMA			\
 				 | OPTION_MASK_PCREL			\
 				 /* | OPTION_MASK_PCREL_OPT */		\
 				 | OPTION_MASK_PREFIXED)