1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* NG2memcpy.S: Niagara-2 optimized memcpy. 1 /* NG2memcpy.S: Niagara-2 optimized memcpy.
3 * 2 *
4 * Copyright (C) 2007 David S. Miller (davem@d 3 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
5 */ 4 */
6 5
7 #ifdef __KERNEL__ 6 #ifdef __KERNEL__
8 #include <linux/linkage.h> <<
9 #include <asm/visasm.h> 7 #include <asm/visasm.h>
10 #include <asm/asi.h> 8 #include <asm/asi.h>
11 #define GLOBAL_SPARE %g7 9 #define GLOBAL_SPARE %g7
12 #else 10 #else
13 #define ASI_PNF 0x82 11 #define ASI_PNF 0x82
14 #define ASI_BLK_P 0xf0 12 #define ASI_BLK_P 0xf0
15 #define ASI_BLK_INIT_QUAD_LDD_P 0xe2 13 #define ASI_BLK_INIT_QUAD_LDD_P 0xe2
16 #define FPRS_FEF 0x04 14 #define FPRS_FEF 0x04
17 #ifdef MEMCPY_DEBUG 15 #ifdef MEMCPY_DEBUG
18 #define VISEntryHalf rd %fprs, %o5; wr %g0, FP 16 #define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs; \
19 clr %g1; clr %g2; clr %g3 17 clr %g1; clr %g2; clr %g3; clr %g5; subcc %g0, %g0, %g0;
20 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr 18 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
21 #else 19 #else
22 #define VISEntryHalf rd %fprs, %o5; wr %g0, FP 20 #define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs
23 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr 21 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
24 #endif 22 #endif
25 #define GLOBAL_SPARE %g5 23 #define GLOBAL_SPARE %g5
26 #endif 24 #endif
27 25
28 #ifndef STORE_ASI 26 #ifndef STORE_ASI
29 #ifndef SIMULATE_NIAGARA_ON_NON_NIAGARA 27 #ifndef SIMULATE_NIAGARA_ON_NON_NIAGARA
30 #define STORE_ASI ASI_BLK_INIT_QUAD_LDD_ 28 #define STORE_ASI ASI_BLK_INIT_QUAD_LDD_P
31 #else 29 #else
32 #define STORE_ASI 0x80 /* ASI 30 #define STORE_ASI 0x80 /* ASI_P */
33 #endif 31 #endif
34 #endif 32 #endif
35 33
36 #ifndef EX_LD 34 #ifndef EX_LD
37 #define EX_LD(x,y) x !! 35 #define EX_LD(x) x
38 #endif <<
39 #ifndef EX_LD_FP <<
40 #define EX_LD_FP(x,y) x <<
41 #endif 36 #endif
42 37
43 #ifndef EX_ST 38 #ifndef EX_ST
44 #define EX_ST(x,y) x !! 39 #define EX_ST(x) x
45 #endif 40 #endif
46 #ifndef EX_ST_FP !! 41
47 #define EX_ST_FP(x,y) x !! 42 #ifndef EX_RETVAL
>> 43 #define EX_RETVAL(x) x
48 #endif 44 #endif
49 45
50 #ifndef LOAD 46 #ifndef LOAD
51 #define LOAD(type,addr,dest) type [addr], d 47 #define LOAD(type,addr,dest) type [addr], dest
52 #endif 48 #endif
53 49
54 #ifndef LOAD_BLK 50 #ifndef LOAD_BLK
55 #define LOAD_BLK(addr,dest) ldda [addr] AS 51 #define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_P, dest
56 #endif 52 #endif
57 53
58 #ifndef STORE 54 #ifndef STORE
59 #ifndef MEMCPY_DEBUG 55 #ifndef MEMCPY_DEBUG
60 #define STORE(type,src,addr) type src, [add 56 #define STORE(type,src,addr) type src, [addr]
61 #else 57 #else
62 #define STORE(type,src,addr) type##a src, [ 58 #define STORE(type,src,addr) type##a src, [addr] 0x80
63 #endif 59 #endif
64 #endif 60 #endif
65 61
66 #ifndef STORE_BLK 62 #ifndef STORE_BLK
67 #define STORE_BLK(src,addr) stda src, [add 63 #define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_P
68 #endif 64 #endif
69 65
70 #ifndef STORE_INIT 66 #ifndef STORE_INIT
71 #define STORE_INIT(src,addr) stxa src, [add 67 #define STORE_INIT(src,addr) stxa src, [addr] STORE_ASI
72 #endif 68 #endif
73 69
74 #ifndef FUNC_NAME 70 #ifndef FUNC_NAME
75 #define FUNC_NAME NG2memcpy 71 #define FUNC_NAME NG2memcpy
76 #endif 72 #endif
77 73
78 #ifndef PREAMBLE 74 #ifndef PREAMBLE
79 #define PREAMBLE 75 #define PREAMBLE
80 #endif 76 #endif
81 77
82 #ifndef XCC 78 #ifndef XCC
83 #define XCC xcc 79 #define XCC xcc
84 #endif 80 #endif
85 81
86 #define FREG_FROB(x0, x1, x2, x3, x4, x5, x6, 82 #define FREG_FROB(x0, x1, x2, x3, x4, x5, x6, x7, x8) \
87 faligndata %x0, %x1, %f0; \ 83 faligndata %x0, %x1, %f0; \
88 faligndata %x1, %x2, %f2; \ 84 faligndata %x1, %x2, %f2; \
89 faligndata %x2, %x3, %f4; \ 85 faligndata %x2, %x3, %f4; \
90 faligndata %x3, %x4, %f6; \ 86 faligndata %x3, %x4, %f6; \
91 faligndata %x4, %x5, %f8; \ 87 faligndata %x4, %x5, %f8; \
92 faligndata %x5, %x6, %f10; \ 88 faligndata %x5, %x6, %f10; \
93 faligndata %x6, %x7, %f12; \ 89 faligndata %x6, %x7, %f12; \
94 faligndata %x7, %x8, %f14; 90 faligndata %x7, %x8, %f14;
95 91
96 #define FREG_MOVE_1(x0) \ 92 #define FREG_MOVE_1(x0) \
97 fsrc2 %x0, %f0; 93 fsrc2 %x0, %f0;
98 #define FREG_MOVE_2(x0, x1) \ 94 #define FREG_MOVE_2(x0, x1) \
99 fsrc2 %x0, %f0; \ 95 fsrc2 %x0, %f0; \
100 fsrc2 %x1, %f2; 96 fsrc2 %x1, %f2;
101 #define FREG_MOVE_3(x0, x1, x2) \ 97 #define FREG_MOVE_3(x0, x1, x2) \
102 fsrc2 %x0, %f0; \ 98 fsrc2 %x0, %f0; \
103 fsrc2 %x1, %f2; \ 99 fsrc2 %x1, %f2; \
104 fsrc2 %x2, %f4; 100 fsrc2 %x2, %f4;
105 #define FREG_MOVE_4(x0, x1, x2, x3) \ 101 #define FREG_MOVE_4(x0, x1, x2, x3) \
106 fsrc2 %x0, %f0; \ 102 fsrc2 %x0, %f0; \
107 fsrc2 %x1, %f2; \ 103 fsrc2 %x1, %f2; \
108 fsrc2 %x2, %f4; \ 104 fsrc2 %x2, %f4; \
109 fsrc2 %x3, %f6; 105 fsrc2 %x3, %f6;
110 #define FREG_MOVE_5(x0, x1, x2, x3, x4) \ 106 #define FREG_MOVE_5(x0, x1, x2, x3, x4) \
111 fsrc2 %x0, %f0; \ 107 fsrc2 %x0, %f0; \
112 fsrc2 %x1, %f2; \ 108 fsrc2 %x1, %f2; \
113 fsrc2 %x2, %f4; \ 109 fsrc2 %x2, %f4; \
114 fsrc2 %x3, %f6; \ 110 fsrc2 %x3, %f6; \
115 fsrc2 %x4, %f8; 111 fsrc2 %x4, %f8;
116 #define FREG_MOVE_6(x0, x1, x2, x3, x4, x5) \ 112 #define FREG_MOVE_6(x0, x1, x2, x3, x4, x5) \
117 fsrc2 %x0, %f0; \ 113 fsrc2 %x0, %f0; \
118 fsrc2 %x1, %f2; \ 114 fsrc2 %x1, %f2; \
119 fsrc2 %x2, %f4; \ 115 fsrc2 %x2, %f4; \
120 fsrc2 %x3, %f6; \ 116 fsrc2 %x3, %f6; \
121 fsrc2 %x4, %f8; \ 117 fsrc2 %x4, %f8; \
122 fsrc2 %x5, %f10; 118 fsrc2 %x5, %f10;
123 #define FREG_MOVE_7(x0, x1, x2, x3, x4, x5, x6 119 #define FREG_MOVE_7(x0, x1, x2, x3, x4, x5, x6) \
124 fsrc2 %x0, %f0; \ 120 fsrc2 %x0, %f0; \
125 fsrc2 %x1, %f2; \ 121 fsrc2 %x1, %f2; \
126 fsrc2 %x2, %f4; \ 122 fsrc2 %x2, %f4; \
127 fsrc2 %x3, %f6; \ 123 fsrc2 %x3, %f6; \
128 fsrc2 %x4, %f8; \ 124 fsrc2 %x4, %f8; \
129 fsrc2 %x5, %f10; \ 125 fsrc2 %x5, %f10; \
130 fsrc2 %x6, %f12; 126 fsrc2 %x6, %f12;
131 #define FREG_MOVE_8(x0, x1, x2, x3, x4, x5, x6 127 #define FREG_MOVE_8(x0, x1, x2, x3, x4, x5, x6, x7) \
132 fsrc2 %x0, %f0; \ 128 fsrc2 %x0, %f0; \
133 fsrc2 %x1, %f2; \ 129 fsrc2 %x1, %f2; \
134 fsrc2 %x2, %f4; \ 130 fsrc2 %x2, %f4; \
135 fsrc2 %x3, %f6; \ 131 fsrc2 %x3, %f6; \
136 fsrc2 %x4, %f8; \ 132 fsrc2 %x4, %f8; \
137 fsrc2 %x5, %f10; \ 133 fsrc2 %x5, %f10; \
138 fsrc2 %x6, %f12; \ 134 fsrc2 %x6, %f12; \
139 fsrc2 %x7, %f14; 135 fsrc2 %x7, %f14;
140 #define FREG_LOAD_1(base, x0) \ 136 #define FREG_LOAD_1(base, x0) \
141 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), !! 137 EX_LD(LOAD(ldd, base + 0x00, %x0))
142 #define FREG_LOAD_2(base, x0, x1) \ 138 #define FREG_LOAD_2(base, x0, x1) \
143 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), !! 139 EX_LD(LOAD(ldd, base + 0x00, %x0)); \
144 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), !! 140 EX_LD(LOAD(ldd, base + 0x08, %x1));
145 #define FREG_LOAD_3(base, x0, x1, x2) \ 141 #define FREG_LOAD_3(base, x0, x1, x2) \
146 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), !! 142 EX_LD(LOAD(ldd, base + 0x00, %x0)); \
147 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), !! 143 EX_LD(LOAD(ldd, base + 0x08, %x1)); \
148 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), !! 144 EX_LD(LOAD(ldd, base + 0x10, %x2));
149 #define FREG_LOAD_4(base, x0, x1, x2, x3) \ 145 #define FREG_LOAD_4(base, x0, x1, x2, x3) \
150 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), !! 146 EX_LD(LOAD(ldd, base + 0x00, %x0)); \
151 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), !! 147 EX_LD(LOAD(ldd, base + 0x08, %x1)); \
152 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), !! 148 EX_LD(LOAD(ldd, base + 0x10, %x2)); \
153 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), !! 149 EX_LD(LOAD(ldd, base + 0x18, %x3));
154 #define FREG_LOAD_5(base, x0, x1, x2, x3, x4) 150 #define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \
155 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), !! 151 EX_LD(LOAD(ldd, base + 0x00, %x0)); \
156 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), !! 152 EX_LD(LOAD(ldd, base + 0x08, %x1)); \
157 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), !! 153 EX_LD(LOAD(ldd, base + 0x10, %x2)); \
158 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), !! 154 EX_LD(LOAD(ldd, base + 0x18, %x3)); \
159 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), !! 155 EX_LD(LOAD(ldd, base + 0x20, %x4));
160 #define FREG_LOAD_6(base, x0, x1, x2, x3, x4, 156 #define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \
161 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), !! 157 EX_LD(LOAD(ldd, base + 0x00, %x0)); \
162 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), !! 158 EX_LD(LOAD(ldd, base + 0x08, %x1)); \
163 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), !! 159 EX_LD(LOAD(ldd, base + 0x10, %x2)); \
164 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), !! 160 EX_LD(LOAD(ldd, base + 0x18, %x3)); \
165 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), !! 161 EX_LD(LOAD(ldd, base + 0x20, %x4)); \
166 EX_LD_FP(LOAD(ldd, base + 0x28, %x5), !! 162 EX_LD(LOAD(ldd, base + 0x28, %x5));
167 #define FREG_LOAD_7(base, x0, x1, x2, x3, x4, 163 #define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \
168 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), !! 164 EX_LD(LOAD(ldd, base + 0x00, %x0)); \
169 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), !! 165 EX_LD(LOAD(ldd, base + 0x08, %x1)); \
170 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), !! 166 EX_LD(LOAD(ldd, base + 0x10, %x2)); \
171 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), !! 167 EX_LD(LOAD(ldd, base + 0x18, %x3)); \
172 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), !! 168 EX_LD(LOAD(ldd, base + 0x20, %x4)); \
173 EX_LD_FP(LOAD(ldd, base + 0x28, %x5), !! 169 EX_LD(LOAD(ldd, base + 0x28, %x5)); \
174 EX_LD_FP(LOAD(ldd, base + 0x30, %x6), !! 170 EX_LD(LOAD(ldd, base + 0x30, %x6));
175 171
176 .register %g2,#scratch 172 .register %g2,#scratch
177 .register %g3,#scratch 173 .register %g3,#scratch
178 174
179 .text 175 .text
180 #ifndef EX_RETVAL <<
181 #define EX_RETVAL(x) x <<
182 __restore_fp: <<
183 VISExitHalf <<
184 __restore_asi: <<
185 retl <<
186 wr %g0, ASI_AIUS, %asi <<
187 ENTRY(NG2_retl_o2) <<
188 ba,pt %xcc, __restore_asi <<
189 mov %o2, %o0 <<
190 ENDPROC(NG2_retl_o2) <<
191 ENTRY(NG2_retl_o2_plus_1) <<
192 ba,pt %xcc, __restore_asi <<
193 add %o2, 1, %o0 <<
194 ENDPROC(NG2_retl_o2_plus_1) <<
195 ENTRY(NG2_retl_o2_plus_4) <<
196 ba,pt %xcc, __restore_asi <<
197 add %o2, 4, %o0 <<
198 ENDPROC(NG2_retl_o2_plus_4) <<
199 ENTRY(NG2_retl_o2_plus_8) <<
200 ba,pt %xcc, __restore_asi <<
201 add %o2, 8, %o0 <<
202 ENDPROC(NG2_retl_o2_plus_8) <<
203 ENTRY(NG2_retl_o2_plus_o4_plus_1) <<
204 add %o4, 1, %o4 <<
205 ba,pt %xcc, __restore_asi <<
206 add %o2, %o4, %o0 <<
207 ENDPROC(NG2_retl_o2_plus_o4_plus_1) <<
208 ENTRY(NG2_retl_o2_plus_o4_plus_8) <<
209 add %o4, 8, %o4 <<
210 ba,pt %xcc, __restore_asi <<
211 add %o2, %o4, %o0 <<
212 ENDPROC(NG2_retl_o2_plus_o4_plus_8) <<
213 ENTRY(NG2_retl_o2_plus_o4_plus_16) <<
214 add %o4, 16, %o4 <<
215 ba,pt %xcc, __restore_asi <<
216 add %o2, %o4, %o0 <<
217 ENDPROC(NG2_retl_o2_plus_o4_plus_16) <<
218 ENTRY(NG2_retl_o2_plus_g1_fp) <<
219 ba,pt %xcc, __restore_fp <<
220 add %o2, %g1, %o0 <<
221 ENDPROC(NG2_retl_o2_plus_g1_fp) <<
222 ENTRY(NG2_retl_o2_plus_g1_plus_64_fp) <<
223 add %g1, 64, %g1 <<
224 ba,pt %xcc, __restore_fp <<
225 add %o2, %g1, %o0 <<
226 ENDPROC(NG2_retl_o2_plus_g1_plus_64_fp) <<
227 ENTRY(NG2_retl_o2_plus_g1_plus_1) <<
228 add %g1, 1, %g1 <<
229 ba,pt %xcc, __restore_asi <<
230 add %o2, %g1, %o0 <<
231 ENDPROC(NG2_retl_o2_plus_g1_plus_1) <<
232 ENTRY(NG2_retl_o2_and_7_plus_o4) <<
233 and %o2, 7, %o2 <<
234 ba,pt %xcc, __restore_asi <<
235 add %o2, %o4, %o0 <<
236 ENDPROC(NG2_retl_o2_and_7_plus_o4) <<
237 ENTRY(NG2_retl_o2_and_7_plus_o4_plus_8) <<
238 and %o2, 7, %o2 <<
239 add %o4, 8, %o4 <<
240 ba,pt %xcc, __restore_asi <<
241 add %o2, %o4, %o0 <<
242 ENDPROC(NG2_retl_o2_and_7_plus_o4_plus_8) <<
243 #endif <<
244 <<
245 .align 64 176 .align 64
246 177
247 .globl FUNC_NAME 178 .globl FUNC_NAME
248 .type FUNC_NAME,#function 179 .type FUNC_NAME,#function
249 FUNC_NAME: /* %o0=dst, %o1=src, %o2=len * 180 FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
250 srlx %o2, 31, %g2 181 srlx %o2, 31, %g2
251 cmp %g2, 0 182 cmp %g2, 0
252 tne %xcc, 5 183 tne %xcc, 5
253 PREAMBLE 184 PREAMBLE
254 mov %o0, %o3 185 mov %o0, %o3
255 cmp %o2, 0 186 cmp %o2, 0
256 be,pn %XCC, 85f 187 be,pn %XCC, 85f
257 or %o0, %o1, GLOBAL_SPARE 188 or %o0, %o1, GLOBAL_SPARE
258 cmp %o2, 16 189 cmp %o2, 16
259 blu,a,pn %XCC, 80f 190 blu,a,pn %XCC, 80f
260 or GLOBAL_SPARE, %o2, GLO 191 or GLOBAL_SPARE, %o2, GLOBAL_SPARE
261 192
262 /* 2 blocks (128 bytes) is the minimum 193 /* 2 blocks (128 bytes) is the minimum we can do the block
263 * copy with. We need to ensure that 194 * copy with. We need to ensure that we'll iterate at least
264 * once in the block copy loop. At wo 195 * once in the block copy loop. At worst we'll need to align
265 * the destination to a 64-byte bounda 196 * the destination to a 64-byte boundary which can chew up
266 * to (64 - 1) bytes from the length b 197 * to (64 - 1) bytes from the length before we perform the
267 * block copy loop. 198 * block copy loop.
268 * 199 *
269 * However, the cut-off point, perform 200 * However, the cut-off point, performance wise, is around
270 * 4 64-byte blocks. 201 * 4 64-byte blocks.
271 */ 202 */
272 cmp %o2, (4 * 64) 203 cmp %o2, (4 * 64)
273 blu,pt %XCC, 75f 204 blu,pt %XCC, 75f
274 andcc GLOBAL_SPARE, 0x7, %g0 205 andcc GLOBAL_SPARE, 0x7, %g0
275 206
276 /* %o0: dst 207 /* %o0: dst
277 * %o1: src 208 * %o1: src
278 * %o2: len (known to be >= 128) 209 * %o2: len (known to be >= 128)
279 * 210 *
280 * The block copy loops can use %o4, % 211 * The block copy loops can use %o4, %g2, %g3 as
281 * temporaries while copying the data. 212 * temporaries while copying the data. %o5 must
282 * be preserved between VISEntryHalf a 213 * be preserved between VISEntryHalf and VISExitHalf
283 */ 214 */
284 215
285 LOAD(prefetch, %o1 + 0x000, #one_read) 216 LOAD(prefetch, %o1 + 0x000, #one_read)
286 LOAD(prefetch, %o1 + 0x040, #one_read) 217 LOAD(prefetch, %o1 + 0x040, #one_read)
287 LOAD(prefetch, %o1 + 0x080, #one_read) 218 LOAD(prefetch, %o1 + 0x080, #one_read)
288 219
289 /* Align destination on 64-byte bounda 220 /* Align destination on 64-byte boundary. */
290 andcc %o0, (64 - 1), %o4 221 andcc %o0, (64 - 1), %o4
291 be,pt %XCC, 2f 222 be,pt %XCC, 2f
292 sub %o4, 64, %o4 223 sub %o4, 64, %o4
293 sub %g0, %o4, %o4 ! byte 224 sub %g0, %o4, %o4 ! bytes to align dst
294 sub %o2, %o4, %o2 225 sub %o2, %o4, %o2
295 1: subcc %o4, 1, %o4 226 1: subcc %o4, 1, %o4
296 EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o !! 227 EX_LD(LOAD(ldub, %o1, %g1))
297 EX_ST(STORE(stb, %g1, %o0), NG2_retl_o !! 228 EX_ST(STORE(stb, %g1, %o0))
298 add %o1, 1, %o1 229 add %o1, 1, %o1
299 bne,pt %XCC, 1b 230 bne,pt %XCC, 1b
300 add %o0, 1, %o0 231 add %o0, 1, %o0
301 232
302 2: 233 2:
303 /* Clobbers o5/g1/g2/g3/g7/icc/xcc. W 234 /* Clobbers o5/g1/g2/g3/g7/icc/xcc. We must preserve
304 * o5 from here until we hit VISExitHa 235 * o5 from here until we hit VISExitHalf.
305 */ 236 */
306 VISEntryHalf 237 VISEntryHalf
307 238
308 membar #Sync 239 membar #Sync
309 alignaddr %o1, %g0, %g0 240 alignaddr %o1, %g0, %g0
310 241
311 add %o1, (64 - 1), %o4 242 add %o1, (64 - 1), %o4
312 andn %o4, (64 - 1), %o4 243 andn %o4, (64 - 1), %o4
313 andn %o2, (64 - 1), %g1 244 andn %o2, (64 - 1), %g1
314 sub %o2, %g1, %o2 245 sub %o2, %g1, %o2
315 246
316 and %o1, (64 - 1), %g2 247 and %o1, (64 - 1), %g2
317 add %o1, %g1, %o1 248 add %o1, %g1, %o1
318 sub %o0, %o4, %g3 249 sub %o0, %o4, %g3
319 brz,pt %g2, 190f 250 brz,pt %g2, 190f
320 cmp %g2, 32 251 cmp %g2, 32
321 blu,a 5f 252 blu,a 5f
322 cmp %g2, 16 253 cmp %g2, 16
323 cmp %g2, 48 254 cmp %g2, 48
324 blu,a 4f 255 blu,a 4f
325 cmp %g2, 40 256 cmp %g2, 40
326 cmp %g2, 56 257 cmp %g2, 56
327 blu 170f 258 blu 170f
328 nop 259 nop
329 ba,a,pt %xcc, 180f 260 ba,a,pt %xcc, 180f
330 nop <<
331 261
332 4: /* 32 <= low bits < 48 */ 262 4: /* 32 <= low bits < 48 */
333 blu 150f 263 blu 150f
334 nop 264 nop
335 ba,a,pt %xcc, 160f 265 ba,a,pt %xcc, 160f
336 nop <<
337 5: /* 0 < low bits < 32 */ 266 5: /* 0 < low bits < 32 */
338 blu,a 6f 267 blu,a 6f
339 cmp %g2, 8 268 cmp %g2, 8
340 cmp %g2, 24 269 cmp %g2, 24
341 blu 130f 270 blu 130f
342 nop 271 nop
343 ba,a,pt %xcc, 140f 272 ba,a,pt %xcc, 140f
344 nop <<
345 6: /* 0 < low bits < 16 */ 273 6: /* 0 < low bits < 16 */
346 bgeu 120f 274 bgeu 120f
347 nop 275 nop
348 /* fall through for 0 < low bits < 8 * 276 /* fall through for 0 < low bits < 8 */
349 110: sub %o4, 64, %g2 277 110: sub %o4, 64, %g2
350 EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_ !! 278 EX_LD(LOAD_BLK(%g2, %f0))
351 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 279 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
352 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 280 EX_LD(LOAD_BLK(%o4, %f16))
353 FREG_FROB(f0, f2, f4, f6, f8, f10, f12 281 FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16)
354 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 282 EX_ST(STORE_BLK(%f0, %o4 + %g3))
355 FREG_MOVE_8(f16, f18, f20, f22, f24, f 283 FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30)
356 subcc %g1, 64, %g1 284 subcc %g1, 64, %g1
357 add %o4, 64, %o4 285 add %o4, 64, %o4
358 bne,pt %xcc, 1b 286 bne,pt %xcc, 1b
359 LOAD(prefetch, %o4 + 64, #one_read) 287 LOAD(prefetch, %o4 + 64, #one_read)
360 ba,pt %xcc, 195f 288 ba,pt %xcc, 195f
361 nop 289 nop
362 290
363 120: sub %o4, 56, %g2 291 120: sub %o4, 56, %g2
364 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f 292 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12)
365 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 293 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
366 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 294 EX_LD(LOAD_BLK(%o4, %f16))
367 FREG_FROB(f0, f2, f4, f6, f8, f10, f12 295 FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18)
368 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 296 EX_ST(STORE_BLK(%f0, %o4 + %g3))
369 FREG_MOVE_7(f18, f20, f22, f24, f26, f 297 FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30)
370 subcc %g1, 64, %g1 298 subcc %g1, 64, %g1
371 add %o4, 64, %o4 299 add %o4, 64, %o4
372 bne,pt %xcc, 1b 300 bne,pt %xcc, 1b
373 LOAD(prefetch, %o4 + 64, #one_read) 301 LOAD(prefetch, %o4 + 64, #one_read)
374 ba,pt %xcc, 195f 302 ba,pt %xcc, 195f
375 nop 303 nop
376 304
377 130: sub %o4, 48, %g2 305 130: sub %o4, 48, %g2
378 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f 306 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10)
379 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 307 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
380 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 308 EX_LD(LOAD_BLK(%o4, %f16))
381 FREG_FROB(f0, f2, f4, f6, f8, f10, f16 309 FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20)
382 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 310 EX_ST(STORE_BLK(%f0, %o4 + %g3))
383 FREG_MOVE_6(f20, f22, f24, f26, f28, f 311 FREG_MOVE_6(f20, f22, f24, f26, f28, f30)
384 subcc %g1, 64, %g1 312 subcc %g1, 64, %g1
385 add %o4, 64, %o4 313 add %o4, 64, %o4
386 bne,pt %xcc, 1b 314 bne,pt %xcc, 1b
387 LOAD(prefetch, %o4 + 64, #one_read) 315 LOAD(prefetch, %o4 + 64, #one_read)
388 ba,pt %xcc, 195f 316 ba,pt %xcc, 195f
389 nop 317 nop
390 318
391 140: sub %o4, 40, %g2 319 140: sub %o4, 40, %g2
392 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8) 320 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8)
393 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 321 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
394 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 322 EX_LD(LOAD_BLK(%o4, %f16))
395 FREG_FROB(f0, f2, f4, f6, f8, f16, f18 323 FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22)
396 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 324 EX_ST(STORE_BLK(%f0, %o4 + %g3))
397 FREG_MOVE_5(f22, f24, f26, f28, f30) 325 FREG_MOVE_5(f22, f24, f26, f28, f30)
398 subcc %g1, 64, %g1 326 subcc %g1, 64, %g1
399 add %o4, 64, %o4 327 add %o4, 64, %o4
400 bne,pt %xcc, 1b 328 bne,pt %xcc, 1b
401 LOAD(prefetch, %o4 + 64, #one_read) 329 LOAD(prefetch, %o4 + 64, #one_read)
402 ba,pt %xcc, 195f 330 ba,pt %xcc, 195f
403 nop 331 nop
404 332
405 150: sub %o4, 32, %g2 333 150: sub %o4, 32, %g2
406 FREG_LOAD_4(%g2, f0, f2, f4, f6) 334 FREG_LOAD_4(%g2, f0, f2, f4, f6)
407 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 335 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
408 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 336 EX_LD(LOAD_BLK(%o4, %f16))
409 FREG_FROB(f0, f2, f4, f6, f16, f18, f2 337 FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24)
410 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 338 EX_ST(STORE_BLK(%f0, %o4 + %g3))
411 FREG_MOVE_4(f24, f26, f28, f30) 339 FREG_MOVE_4(f24, f26, f28, f30)
412 subcc %g1, 64, %g1 340 subcc %g1, 64, %g1
413 add %o4, 64, %o4 341 add %o4, 64, %o4
414 bne,pt %xcc, 1b 342 bne,pt %xcc, 1b
415 LOAD(prefetch, %o4 + 64, #one_read) 343 LOAD(prefetch, %o4 + 64, #one_read)
416 ba,pt %xcc, 195f 344 ba,pt %xcc, 195f
417 nop 345 nop
418 346
419 160: sub %o4, 24, %g2 347 160: sub %o4, 24, %g2
420 FREG_LOAD_3(%g2, f0, f2, f4) 348 FREG_LOAD_3(%g2, f0, f2, f4)
421 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 349 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
422 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 350 EX_LD(LOAD_BLK(%o4, %f16))
423 FREG_FROB(f0, f2, f4, f16, f18, f20, f 351 FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26)
424 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 352 EX_ST(STORE_BLK(%f0, %o4 + %g3))
425 FREG_MOVE_3(f26, f28, f30) 353 FREG_MOVE_3(f26, f28, f30)
426 subcc %g1, 64, %g1 354 subcc %g1, 64, %g1
427 add %o4, 64, %o4 355 add %o4, 64, %o4
428 bne,pt %xcc, 1b 356 bne,pt %xcc, 1b
429 LOAD(prefetch, %o4 + 64, #one_read) 357 LOAD(prefetch, %o4 + 64, #one_read)
430 ba,pt %xcc, 195f 358 ba,pt %xcc, 195f
431 nop 359 nop
432 360
433 170: sub %o4, 16, %g2 361 170: sub %o4, 16, %g2
434 FREG_LOAD_2(%g2, f0, f2) 362 FREG_LOAD_2(%g2, f0, f2)
435 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 363 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
436 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 364 EX_LD(LOAD_BLK(%o4, %f16))
437 FREG_FROB(f0, f2, f16, f18, f20, f22, 365 FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28)
438 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 366 EX_ST(STORE_BLK(%f0, %o4 + %g3))
439 FREG_MOVE_2(f28, f30) 367 FREG_MOVE_2(f28, f30)
440 subcc %g1, 64, %g1 368 subcc %g1, 64, %g1
441 add %o4, 64, %o4 369 add %o4, 64, %o4
442 bne,pt %xcc, 1b 370 bne,pt %xcc, 1b
443 LOAD(prefetch, %o4 + 64, #one_read) 371 LOAD(prefetch, %o4 + 64, #one_read)
444 ba,pt %xcc, 195f 372 ba,pt %xcc, 195f
445 nop 373 nop
446 374
447 180: sub %o4, 8, %g2 375 180: sub %o4, 8, %g2
448 FREG_LOAD_1(%g2, f0) 376 FREG_LOAD_1(%g2, f0)
449 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 377 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
450 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 378 EX_LD(LOAD_BLK(%o4, %f16))
451 FREG_FROB(f0, f16, f18, f20, f22, f24, 379 FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30)
452 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 380 EX_ST(STORE_BLK(%f0, %o4 + %g3))
453 FREG_MOVE_1(f30) 381 FREG_MOVE_1(f30)
454 subcc %g1, 64, %g1 382 subcc %g1, 64, %g1
455 add %o4, 64, %o4 383 add %o4, 64, %o4
456 bne,pt %xcc, 1b 384 bne,pt %xcc, 1b
457 LOAD(prefetch, %o4 + 64, #one_read) 385 LOAD(prefetch, %o4 + 64, #one_read)
458 ba,pt %xcc, 195f 386 ba,pt %xcc, 195f
459 nop 387 nop
460 388
461 190: 389 190:
462 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 390 1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
463 subcc %g1, 64, %g1 391 subcc %g1, 64, %g1
464 EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_ !! 392 EX_LD(LOAD_BLK(%o4, %f0))
465 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 393 EX_ST(STORE_BLK(%f0, %o4 + %g3))
466 add %o4, 64, %o4 394 add %o4, 64, %o4
467 bne,pt %xcc, 1b 395 bne,pt %xcc, 1b
468 LOAD(prefetch, %o4 + 64, #one_read) 396 LOAD(prefetch, %o4 + 64, #one_read)
469 397
470 195: 398 195:
471 add %o4, %g3, %o0 399 add %o4, %g3, %o0
472 membar #Sync 400 membar #Sync
473 401
474 VISExitHalf 402 VISExitHalf
475 403
476 /* %o2 contains any final bytes still 404 /* %o2 contains any final bytes still needed to be copied
477 * over. If anything is left, we copy 405 * over. If anything is left, we copy it one byte at a time.
478 */ 406 */
479 brz,pt %o2, 85f 407 brz,pt %o2, 85f
480 sub %o0, %o1, GLOBAL_SPARE 408 sub %o0, %o1, GLOBAL_SPARE
481 ba,a,pt %XCC, 90f 409 ba,a,pt %XCC, 90f
482 nop <<
483 410
484 .align 64 411 .align 64
485 75: /* 16 < len <= 64 */ 412 75: /* 16 < len <= 64 */
486 bne,pn %XCC, 75f 413 bne,pn %XCC, 75f
487 sub %o0, %o1, GLOBAL_SPARE 414 sub %o0, %o1, GLOBAL_SPARE
488 415
489 72: 416 72:
490 andn %o2, 0xf, %o4 417 andn %o2, 0xf, %o4
491 and %o2, 0xf, %o2 418 and %o2, 0xf, %o2
492 1: subcc %o4, 0x10, %o4 419 1: subcc %o4, 0x10, %o4
493 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2 !! 420 EX_LD(LOAD(ldx, %o1, %o5))
494 add %o1, 0x08, %o1 421 add %o1, 0x08, %o1
495 EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2 !! 422 EX_LD(LOAD(ldx, %o1, %g1))
496 sub %o1, 0x08, %o1 423 sub %o1, 0x08, %o1
497 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPA !! 424 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE))
498 add %o1, 0x8, %o1 425 add %o1, 0x8, %o1
499 EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPA !! 426 EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE))
500 bgu,pt %XCC, 1b 427 bgu,pt %XCC, 1b
501 add %o1, 0x8, %o1 428 add %o1, 0x8, %o1
502 73: andcc %o2, 0x8, %g0 429 73: andcc %o2, 0x8, %g0
503 be,pt %XCC, 1f 430 be,pt %XCC, 1f
504 nop 431 nop
505 sub %o2, 0x8, %o2 432 sub %o2, 0x8, %o2
506 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2 !! 433 EX_LD(LOAD(ldx, %o1, %o5))
507 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPA !! 434 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE))
508 add %o1, 0x8, %o1 435 add %o1, 0x8, %o1
509 1: andcc %o2, 0x4, %g0 436 1: andcc %o2, 0x4, %g0
510 be,pt %XCC, 1f 437 be,pt %XCC, 1f
511 nop 438 nop
512 sub %o2, 0x4, %o2 439 sub %o2, 0x4, %o2
513 EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o !! 440 EX_LD(LOAD(lduw, %o1, %o5))
514 EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPA !! 441 EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE))
515 add %o1, 0x4, %o1 442 add %o1, 0x4, %o1
516 1: cmp %o2, 0 443 1: cmp %o2, 0
517 be,pt %XCC, 85f 444 be,pt %XCC, 85f
518 nop 445 nop
519 ba,pt %xcc, 90f 446 ba,pt %xcc, 90f
520 nop 447 nop
521 448
522 75: 449 75:
523 andcc %o0, 0x7, %g1 450 andcc %o0, 0x7, %g1
524 sub %g1, 0x8, %g1 451 sub %g1, 0x8, %g1
525 be,pn %icc, 2f 452 be,pn %icc, 2f
526 sub %g0, %g1, %g1 453 sub %g0, %g1, %g1
527 sub %o2, %g1, %o2 454 sub %o2, %g1, %o2
528 455
529 1: subcc %g1, 1, %g1 456 1: subcc %g1, 1, %g1
530 EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o !! 457 EX_LD(LOAD(ldub, %o1, %o5))
531 EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPA !! 458 EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE))
532 bgu,pt %icc, 1b 459 bgu,pt %icc, 1b
533 add %o1, 1, %o1 460 add %o1, 1, %o1
534 461
535 2: add %o1, GLOBAL_SPARE, %o0 462 2: add %o1, GLOBAL_SPARE, %o0
536 andcc %o1, 0x7, %g1 463 andcc %o1, 0x7, %g1
537 bne,pt %icc, 8f 464 bne,pt %icc, 8f
538 sll %g1, 3, %g1 465 sll %g1, 3, %g1
539 466
540 cmp %o2, 16 467 cmp %o2, 16
541 bgeu,pt %icc, 72b 468 bgeu,pt %icc, 72b
542 nop 469 nop
543 ba,a,pt %xcc, 73b 470 ba,a,pt %xcc, 73b
544 471
545 8: mov 64, GLOBAL_SPARE 472 8: mov 64, GLOBAL_SPARE
546 andn %o1, 0x7, %o1 473 andn %o1, 0x7, %o1
547 EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2 !! 474 EX_LD(LOAD(ldx, %o1, %g2))
548 sub GLOBAL_SPARE, %g1, GLO 475 sub GLOBAL_SPARE, %g1, GLOBAL_SPARE
549 andn %o2, 0x7, %o4 476 andn %o2, 0x7, %o4
550 sllx %g2, %g1, %g2 477 sllx %g2, %g1, %g2
551 1: add %o1, 0x8, %o1 478 1: add %o1, 0x8, %o1
552 EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2 !! 479 EX_LD(LOAD(ldx, %o1, %g3))
553 subcc %o4, 0x8, %o4 480 subcc %o4, 0x8, %o4
554 srlx %g3, GLOBAL_SPARE, %o5 481 srlx %g3, GLOBAL_SPARE, %o5
555 or %o5, %g2, %o5 482 or %o5, %g2, %o5
556 EX_ST(STORE(stx, %o5, %o0), NG2_retl_o !! 483 EX_ST(STORE(stx, %o5, %o0))
557 add %o0, 0x8, %o0 484 add %o0, 0x8, %o0
558 bgu,pt %icc, 1b 485 bgu,pt %icc, 1b
559 sllx %g3, %g1, %g2 486 sllx %g3, %g1, %g2
560 487
561 srl %g1, 3, %g1 488 srl %g1, 3, %g1
562 andcc %o2, 0x7, %o2 489 andcc %o2, 0x7, %o2
563 be,pn %icc, 85f 490 be,pn %icc, 85f
564 add %o1, %g1, %o1 491 add %o1, %g1, %o1
565 ba,pt %xcc, 90f 492 ba,pt %xcc, 90f
566 sub %o0, %o1, GLOBAL_SPARE 493 sub %o0, %o1, GLOBAL_SPARE
567 494
568 .align 64 495 .align 64
569 80: /* 0 < len <= 16 */ 496 80: /* 0 < len <= 16 */
570 andcc GLOBAL_SPARE, 0x3, %g0 497 andcc GLOBAL_SPARE, 0x3, %g0
571 bne,pn %XCC, 90f 498 bne,pn %XCC, 90f
572 sub %o0, %o1, GLOBAL_SPARE 499 sub %o0, %o1, GLOBAL_SPARE
573 500
574 1: 501 1:
575 subcc %o2, 4, %o2 502 subcc %o2, 4, %o2
576 EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o !! 503 EX_LD(LOAD(lduw, %o1, %g1))
577 EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPA !! 504 EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE))
578 bgu,pt %XCC, 1b 505 bgu,pt %XCC, 1b
579 add %o1, 4, %o1 506 add %o1, 4, %o1
580 507
581 85: retl 508 85: retl
582 mov EX_RETVAL(%o3), %o0 509 mov EX_RETVAL(%o3), %o0
583 510
584 .align 32 511 .align 32
585 90: 512 90:
586 subcc %o2, 1, %o2 513 subcc %o2, 1, %o2
587 EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o !! 514 EX_LD(LOAD(ldub, %o1, %g1))
588 EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPA !! 515 EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE))
589 bgu,pt %XCC, 90b 516 bgu,pt %XCC, 90b
590 add %o1, 1, %o1 517 add %o1, 1, %o1
591 retl 518 retl
592 mov EX_RETVAL(%o3), %o0 519 mov EX_RETVAL(%o3), %o0
593 520
594 .size FUNC_NAME, .-FUNC_NAME 521 .size FUNC_NAME, .-FUNC_NAME
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