Commit cb5edfe3 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Use delay slot in __strnlen_user, __strncpy_user 



Use delay slot to speedup if maxlen is zero.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 90fcf383

arch/microblaze/lib/uaccess_old.S

+2 −2
Original line number Diff line number Diff line
@@ -34,8 +34,8 @@ __strncpy_user: 
	 * r3 - temp count

	 * r4 - temp val

	 */

	beqid	r7,3f

	addik	r3,r7,0		/* temp_count = len */

	beqi	r3,3f

1:

	lbu	r4,r6,r0

	sb	r4,r5,r0
@@ -77,8 +77,8 @@ __strncpy_user: 
.type  __strnlen_user, @function

.align 4;

__strnlen_user:

	beqid	r6,3f

	addik	r3,r6,0

	beqi	r3,3f

1:

	lbu	r4,r5,r0

	beqid	r4,2f		/* break on NUL */