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m68k: get rid of zeroing

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro
2017-03-20 00:55:24 -04:00
parent 68acfdcb47
commit 7cefa5a05d
2 changed files with 43 additions and 26 deletions
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12
arch/m68k/lib/uaccess.c
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@@ -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"