svn commit: r334181 - in head/sys: conf mips/mips

[Warner Losh]

Author: imp
Date: Thu May 24 21:11:24 2018
New Revision: 334181
URL: https://svnweb.freebsd.org/changeset/base/334181

Log:
  Make memmove an alias for memcpy
  
  memcpy was an alias for bcopy with arg swap. This code handles
  overlapping copies, so making memmove an alias is safe. We can
  eliminate the call from libkern's memmove to this bcopy as a result.
  
  Differential Revision: https://reviews.freebsd.org/D15374

Modified:
  head/sys/conf/files.mips
  head/sys/mips/mips/bcopy.S

Modified: head/sys/conf/files.mips
==============================================================================
--- head/sys/conf/files.mips	Thu May 24 20:43:41 2018	(r334180)
+++ head/sys/conf/files.mips	Thu May 24 21:11:24 2018	(r334181)
@@ -61,7 +61,6 @@ libkern/ffsll.c				standard
 libkern/fls.c				standard
 libkern/flsl.c				standard
 libkern/flsll.c				standard
-libkern/memmove.c			standard
 libkern/cmpdi2.c			optional	mips | mipshf | mipsel | mipselhf
 libkern/ucmpdi2.c			optional	mips | mipshf | mipsel | mipselhf
 libkern/ashldi3.c			standard

Modified: head/sys/mips/mips/bcopy.S
==============================================================================
--- head/sys/mips/mips/bcopy.S	Thu May 24 20:43:41 2018	(r334180)
+++ head/sys/mips/mips/bcopy.S	Thu May 24 21:11:24 2018	(r334181)
@@ -65,6 +65,7 @@ __FBSDID("$FreeBSD$");
 #define	SIZEREG	a2
 
 LEAF(memcpy)
+XLEAF(memmove)
 	.set	noat
 	.set	noreorder