sun4u/cpu/opl_olympus_copy.s

709 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
722 	  cmp	%o2, %o3			! if length <= limit
735 	  cmp	%o2, %o3			! if length <= limit
746 	  cmp	%o2, %o3			! if length <= limit
756 	  cmp	%o2, %o3			! if length <= limit
792 	ldx	[%fp + STACK_BIAS - SAVED_GSR_OFFSET], %o2	! restore gsr
793 	wr	%o2, 0, %gsr
800 	BLD_FPQ1Q3_FROMSTACK(%o2)
893 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
906 	  cmp	%o2, %o3			! if length <= limit
919 	  cmp	%o2, %o3			! if length <= limit
930 	  cmp	%o2, %o3			! if length <= limit
940 	  cmp	%o2, %o3			! if length <= limit
958 	cmp	%o2, SHORTCOPY		! check for really short case
960 	  cmp	%o2, CHKSIZE		! check for medium length cases
966 	  sub	%o2, 3, %o2		! adjust count to allow cc zero test
970 	subcc	%o2, 4, %o2		! reduce count by 4
980 	add	%o2, 3, %o2		! restore count
982 	tst	%o2
984 	  deccc	%o2			! reduce count for cc test
989 	deccc	%o2			! check for more
1001 	subcc	%o2, 8, %o2		! update count
1008 	addcc	%o2, 7, %o2		! restore count
1010 	  deccc	%o2
1013 	  subcc	%o2, 2, %o2		! reduce count by 2
1019 	addcc	%o2, 1, %o2		! restore count
1028 	subcc	%o2, 4, %o2		! update count
1031 	addcc	%o2, 3, %o2		! restore count
1034 	deccc	%o2			! reduce count for cc test
1039 	deccc	%o2
1078 	  dec	%o2
1087 	sub	%o2, 4, %o2		! reduce count by 4
1092 	sub	%o2, 31, %o2		! adjust count to allow cc zero test
1096 	subcc	%o2, 32, %o2		! reduce count by 32
1106 	addcc	%o2, 24, %o2		! restore count to long word offset
1111 	subcc	%o2, 8, %o2		! reduce count by 8
1117 	addcc	%o2, 7, %o2		! restore rest of count
1119 	  deccc	%o2
1137 	  dec	%o2
1142 	sub	%o2, 15, %o2		! adjust count to allow cc zero test
1146 	subcc	%o2, 16, %o2		! reduce count by 16
1156 	addcc	%o2, 12, %o2		! restore count to word offset
1161 	subcc	%o2, 4, %o2		! reduce count by 4
1167 	addcc	%o2, 3, %o2		! restore rest of count
1169 	  deccc	%o2
1184 	dec	%o2
1189 	sub	%o2, 7, %o2		! adjust count to allow cc zero test
1193 	subcc	%o2, 8, %o2		! reduce count by 8
1203 	addcc	%o2, 7, %o2		! restore count
1205 	  deccc	%o2
1230 	sethi	%hi(.copyerr), %o2
1231 	or	%o2, %lo(.copyerr), %o2
1233 	stn	%o2, [THREAD_REG + T_LOFAULT]	! install new vector
1250 	rd	%fprs, %o2		! check for unused fp
1251 	st	%o2, [%fp + STACK_BIAS - SAVED_FPRS_OFFSET] ! save orig %fprs
1252 	btst	FPRS_FEF, %o2
1256 	BST_FPQ1Q3_TOSTACK(%o2)
1259 	rd	%gsr, %o2
1260 	stx	%o2, [%fp + STACK_BIAS - SAVED_GSR_OFFSET]	! save gsr
1422 	ldx	[%fp + STACK_BIAS - SAVED_GSR_OFFSET], %o2	! restore gsr
1423 	wr	%o2, 0, %gsr
1430 	BLD_FPQ1Q3_FROMSTACK(%o2)
1463 	tst	%o2			! check count
1472 2:	cmp	%o2, %o3		! cmp size and abs(from - to)
1485 	deccc	%o2			! dec count
1495 	deccc	%o2			! dec count
1496 	ldub	[%o0 + %o2], %o3	! get byte at end of src
1498 	  stb	%o3, [%o1 + %o2]	! delay slot, store at end of dst
1736 	ldx	[%fp + STACK_BIAS - SAVED_GSR_OFFSET], %o2
1737 	wr	%o2, 0, %gsr    	! restore gsr
1744 	BLD_FPQ2Q4_FROMSTACK(%o2)
1780 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
1793 	  cmp	%o2, %o3			! if length <= limit
1806 	  cmp	%o2, %o3			! if length <= limit
1817 	  cmp	%o2, %o3			! if length <= limit
1827 	  cmp	%o2, %o3			! if length <= limit
1845 	cmp	%o2, SHORTCOPY		! check for really short case
1847 	  mov	%o2, SM_SAVE_COUNT
1848 	cmp	%o2, CHKSIZE		! check for medium length cases
1854 	  sub	%o2, 3, %o2		! adjust count to allow cc zero test
1857 	subcc	%o2, 4, %o2		! reduce count by 4
1871 	add	%o2, 3, %o2		! restore count
1873 	tst	%o2
1877 	deccc	%o2			! reduce count for cc test
1881 	deccc	%o2
1896 	subcc	%o2, 8, %o2		! update count
1904 	addcc	%o2, 7, %o2		! restore count
1907 	deccc	%o2
1910 	  subcc	%o2, 2, %o2		! reduce count by 2
1916 	addcc	%o2, 1, %o2		! restore count
1928 	subcc	%o2, 4, %o2		! update count
1931 	addcc	%o2, 3, %o2		! restore count
1934 	deccc	%o2			! reduce count for cc test
1940 	deccc	%o2
1976 	  dec	%o2
1985 	sub	%o2, 4, %o2		! reduce count by 4
1990 	sub	%o2, 31, %o2		! adjust count to allow cc zero test
1996 	subcc	%o2, 32, %o2		! reduce count by 32
2010 	addcc	%o2, 24, %o2		! restore count to long word offset
2015 	subcc	%o2, 8, %o2		! reduce count by 8
2021 	addcc	%o2, 7, %o2		! restore rest of count
2023 	  deccc	%o2
2043 	  dec	%o2
2048 	sub	%o2, 15, %o2		! adjust count to allow cc zero test
2051 	subcc	%o2, 16, %o2		! reduce count by 16
2065 	addcc	%o2, 12, %o2		! restore count to word offset
2070 	subcc	%o2, 4, %o2		! reduce count by 4
2076 	addcc	%o2, 3, %o2		! restore rest of count
2078 	  deccc	%o2
2096 	dec	%o2
2101 	sub	%o2, 7, %o2		! adjust count to allow cc zero test
2104 	subcc	%o2, 8, %o2		! reduce count by 8
2118 	addcc	%o2, 7, %o2		! restore count
2120 	  deccc	%o2
2135 	mov	SM_SAVE_COUNT, %o2
2180 	rd	%fprs, %o2		! check for unused fp
2181 	st	%o2, [%fp + STACK_BIAS - SAVED_FPRS_OFFSET] ! save orig %fprs
2182 	btst	FPRS_FEF, %o2
2186 	BST_FPQ2Q4_TOSTACK(%o2)
2189 	rd	%gsr, %o2
2190 	stx	%o2, [%fp + STACK_BIAS - SAVED_GSR_OFFSET]	! save gsr
2349 	ldx	[%fp + STACK_BIAS - SAVED_GSR_OFFSET], %o2
2350 	wr	%o2, 0, %gsr		! restore gsr
2357 	BLD_FPQ2Q4_FROMSTACK(%o2)
2406 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
2419 	  cmp	%o2, %o3			! if length <= limit
2432 	  cmp	%o2, %o3			! if length <= limit
2443 	  cmp	%o2, %o3			! if length <= limit
2453 	  cmp	%o2, %o3			! if length <= limit
2495 	mov	SM_SAVE_COUNT, %o2
2528 	subcc	%g0, %o2, %o3
2529 	add	%o0, %o2, %o0
2531 	  sub	%o2, 1, %o4
2533 	add	%o1, %o2, %o1
2566 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
2579 	  cmp	%o2, %o3			! if length <= limit
2592 	  cmp	%o2, %o3			! if length <= limit
2603 	  cmp	%o2, %o3			! if length <= limit
2613 	  cmp	%o2, %o3			! if length <= limit
2631 	cmp	%o2, SHORTCOPY		! check for really short case
2633 	  mov	%o2, SM_SAVE_COUNT
2634 	cmp	%o2, CHKSIZE		! check for medium length cases
2640 	  sub	%o2, 3, %o2		! adjust count to allow cc zero test
2643 	subcc	%o2, 4, %o2		! reduce count by 4
2657 	add	%o2, 3, %o2		! restore count
2659 	tst	%o2
2663 	deccc	%o2			! reduce count for cc test
2668 	deccc	%o2
2682 	subcc	%o2, 8, %o2		! update count
2690 	addcc	%o2, 7, %o2		! restore count
2693 	deccc	%o2
2696 	  subcc	%o2, 2, %o2		! reduce count by 2
2702 	addcc	%o2, 1, %o2		! restore count
2714 	subcc	%o2, 4, %o2		! update count
2717 	addcc	%o2, 3, %o2		! restore count
2720 	deccc	%o2			! reduce count for cc test
2727 	deccc	%o2
2762 	  dec	%o2
2771 	sub	%o2, 4, %o2		! reduce count by 4
2776 	sub	%o2, 31, %o2		! adjust count to allow cc zero test
2779 	subcc	%o2, 32, %o2		! reduce count by 32
2793 	addcc	%o2, 24, %o2		! restore count to long word offset
2798 	subcc	%o2, 8, %o2		! reduce count by 8
2804 	addcc	%o2, 7, %o2		! restore rest of count
2806 	  deccc	%o2
2826 	  dec	%o2
2831 	sub	%o2, 15, %o2		! adjust count to allow cc zero test
2834 	subcc	%o2, 16, %o2		! reduce count by 16
2848 	addcc	%o2, 12, %o2		! restore count to word offset
2853 	subcc	%o2, 4, %o2		! reduce count by 4
2859 	addcc	%o2, 3, %o2		! restore rest of count
2861 	  deccc	%o2
2878 	dec	%o2
2883 	sub	%o2, 7, %o2		! adjust count to allow cc zero test
2886 	subcc	%o2, 8, %o2		! reduce count by 8
2900 	addcc	%o2, 7, %o2		! restore count
2902 	  deccc	%o2
2913 	mov	SM_SAVE_COUNT, %o2
2959 	rd	%fprs, %o2		! check for unused fp
2960 	st	%o2, [%fp + STACK_BIAS - SAVED_FPRS_OFFSET] ! save orig %fprs
2961 	btst	FPRS_FEF, %o2
2965 	BST_FPQ2Q4_TOSTACK(%o2)
2968 	rd	%gsr, %o2
2969 	stx	%o2, [%fp + STACK_BIAS - SAVED_GSR_OFFSET]	! save gsr
3128 	ldx	[%fp + STACK_BIAS - SAVED_GSR_OFFSET], %o2	! restore gsr
3129 	wr	%o2, 0, %gsr
3136 	BLD_FPQ2Q4_FROMSTACK(%o2)
3184 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
3197 	  cmp	%o2, %o3			! if length <= limit
3210 	  cmp	%o2, %o3			! if length <= limit
3221 	  cmp	%o2, %o3			! if length <= limit
3231 	  cmp	%o2, %o3			! if length <= limit
3273 	mov	SM_SAVE_COUNT, %o2
3306 	subcc	%g0, %o2, %o3
3307 	add	%o0, %o2, %o0
3309 	  sub	%o2, 1, %o4
3311 	add	%o1, %o2, %o1
3351 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
3364 	  cmp	%o2, %o3			! if length <= limit
3377 	  cmp	%o2, %o3			! if length <= limit
3388 	  cmp	%o2, %o3			! if length <= limit
3398 	  cmp	%o2, %o3			! if length <= limit
3449 	cmp	%o2, VIS_COPY_THRESHOLD		! check for leaf rtn case
3462 	  cmp	%o2, %o3			! if length <= limit
3475 	  cmp	%o2, %o3			! if length <= limit
3486 	  cmp	%o2, %o3			! if length <= limit
3496 	  cmp	%o2, %o3			! if length <= limit
3657 	ldxa	[%o0]ASI_MEM, %o2
3666 	stxa	%o2, [%o1]ASI_MEM