alpha/lib/ev6-memset.S

19  * however the loop has been unrolled to enable better memory throughput,
23  * A future enhancement might be to put in a byte store loop for really
119 	and	$16, 0x3f, $2	# E : Forward work (only useful for unrolled loop)
126 	 * through unrolled loop.  Do a quad at a time to get us 0mod64
154 	 * Assumes the wh64 needs to be for 2 trips through the loop in the future
156 	 * through the loop, and if there are less than two trips left, the target
178 	subq	$3, 16, $2	# E : Repeat the loop at least once more?
193 	 * Simple loop for trailing quadwords, or for small amounts
194 	 * of data (where we can't use an unrolled loop and wh64)
297 	and	$16, 0x3f, $2	# E : Forward work (only useful for unrolled loop)
300 	blt	$4, loop	# U :
304 	 * through unrolled loop.  Do a quad at a time to get us 0mod64
332 	 * Assumes the wh64 needs to be for 2 trips through the loop in the future
334 	 * through the loop, and if there are less than two trips left, the target
356 	subq	$3, 16, $2	# E : Repeat the loop at least once more?
371 	 * Simple loop for trailing quadwords, or for small amounts
372 	 * of data (where we can't use an unrolled loop and wh64)
374 loop:  label
378 	bne $3,loop		# U : more?
485 	and	$16, 0x3f, $2	# E : Forward work (only useful for unrolled loop)
492 	 * through unrolled loop.  Do a quad at a time to get us 0mod64
520 	 * Assumes the wh64 needs to be for 2 trips through the loop in the future
522 	 * through the loop, and if there are less than two trips left, the target
544 	subq	$3, 16, $2	# E : Repeat the loop at least once more?
559 	 * Simple loop for trailing quadwords, or for small amounts
560 	 * of data (where we can't use an unrolled loop and wh64)