Lines Matching +full:sub +full:- +full:block

15  * Fast assembler language version of the following C-program for memset
16  * which represents the `standard' for the C-library.
25  *		} while (--n != 0);
35  *	Then store as many 4-byte chunks, followed by trailing bytes.
39  *      	store 8-bytes chunks to align the address on 64 byte boundary
42  *			64-byte cache line to zero which will also clear the
49  *              	In the main loop, continue pre-setting the first long
56  *       	store remaining data in 64-byte chunks until less than
59  *       Store as many 8-byte chunks, followed by trailing bytes.
61  * BIS = Block Init Store
109 	.size		M7clear_page,.-M7clear_page
110 	.size		M7clear_user_page,.-M7clear_user_page
122 	.size		M7bzero,.-M7bzero
146 	 sub     %o3, 8, %o3             ! -(bytes till long word aligned)
149 	! Set -(%o3) bytes till sp1 long word aligned
161 	andcc   %o5, 63, %o3            ! is sp1 block aligned?
162 	bz,pt   %xcc, .blkwr            ! now block aligned
163 	 sub     %o3, 64, %o3            ! o3 is -(bytes till block aligned)
166 	! Store -(%o3) bytes till dst is block (64 byte) aligned.
175 	! Now sp1 is block aligned
184 	                                ! must be > pre-cleared lines
187 	! initial cache-clearing stores
194 	sub     %o5, 8, %o5		! adjust %o5 for ASI store alignment
201 	stxa    %o1, [%o5+8-128]%asi
203 	 stxa    %o1, [%o5+8-64]%asi
205 	sub     %o5, ST_CHUNK*64, %o5	! reset %o5
210 	sub     %o4, 64, %o4
217 	stxa    %o1, [%o5-8]%asi
241 	stxa    %o1, [%o5-8]%asi
256 	sub     %o4, 256, %o4
264 	sub     %g3, 192, %g3
284 	membar  #StoreStore             ! required by use of Block Store Init
299 	stx     %o1, [%o5-16]
301 	 stx     %o1, [%o5-8]
333 	st      %o1, [%o5]              ! 4-byte writing loop
352 	.size		M7memset,.-M7memset