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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-20 00:55:24 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-28 18:23:40 -0400 |
| commit | 7cefa5a05dbda1f0bbbd98e9d2861b09a35cc6ea (patch) | |
| tree | e2e75444c0097957954f60811bd2c148723758fb /arch/m68k/lib | |
| parent | 68acfdcb477abdbf875e33e4a950094c8de08f41 (diff) | |
| download | linux-7cefa5a05dbda1f0bbbd98e9d2861b09a35cc6ea.tar.bz2 | |
m68k: get rid of zeroing
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/m68k/lib')
| -rw-r--r-- | arch/m68k/lib/uaccess.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/m68k/lib/uaccess.c b/arch/m68k/lib/uaccess.c index a76b73abaf64..7646e461aa62 100644 --- a/arch/m68k/lib/uaccess.c +++ b/arch/m68k/lib/uaccess.c @@ -30,19 +30,13 @@ unsigned long __generic_copy_from_user(void *to, const void __user *from, "6:\n" " .section .fixup,\"ax\"\n" " .even\n" - "10: move.l %0,%3\n" - "7: clr.l (%2)+\n" - " subq.l #1,%3\n" - " jne 7b\n" - " lsl.l #2,%0\n" + "10: lsl.l #2,%0\n" " btst #1,%5\n" " jeq 8f\n" - "30: clr.w (%2)+\n" - " addq.l #2,%0\n" + "30: addq.l #2,%0\n" "8: btst #0,%5\n" " jeq 6b\n" - "50: clr.b (%2)+\n" - " addq.l #1,%0\n" + "50: addq.l #1,%0\n" " jra 6b\n" " .previous\n" "\n" |