[gcc(refs/users/meissner/heads/dmf004)] Reset memcpy inline bytes parameter.

[Michael Meissner]

https://gcc.gnu.org/g:8ae7697132ba9faf17515c317f4784c328bf4eec

commit 8ae7697132ba9faf17515c317f4784c328bf4eec
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Nov 17 17:30:39 2022 -0500

    Reset memcpy inline bytes parameter.
    
    2022-11-17   Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config/rs6000/rs6000.opt (--param rs6000-memcpy-inline-bytes): Make
            the default 16, not 32.

Diff:
---
 gcc/config/rs6000/rs6000.opt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 602930063cd..c594877ebc6 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -689,6 +689,6 @@ When reduction factor computed for a loop exceeds the threshold specified by
 this parameter, prefer to unroll this loop.  The default value is 1.
 
 -param=rs6000-memcpy-inline-bytes=
-Target Undocumented Joined UInteger Var(rs6000_memcpy_inline_bytes) Init(32) Param
+Target Undocumented Joined UInteger Var(rs6000_memcpy_inline_bytes) Init(16) Param
 Maximum number of bytes to move with inline code before calling the memcpy
-library function.  The default value is 32.
+library function.  The default value is 16.