1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* NG2memcpy.S: Niagara-2 optimized memcpy. 2 /* NG2memcpy.S: Niagara-2 optimized memcpy.
3 * 3 *
4 * Copyright (C) 2007 David S. Miller (davem@d 4 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
5 */ 5 */
6 6
7 #ifdef __KERNEL__ 7 #ifdef __KERNEL__
8 #include <linux/linkage.h> 8 #include <linux/linkage.h>
9 #include <asm/visasm.h> 9 #include <asm/visasm.h>
10 #include <asm/asi.h> 10 #include <asm/asi.h>
11 #define GLOBAL_SPARE %g7 11 #define GLOBAL_SPARE %g7
12 #else 12 #else
13 #define ASI_PNF 0x82 13 #define ASI_PNF 0x82
14 #define ASI_BLK_P 0xf0 14 #define ASI_BLK_P 0xf0
15 #define ASI_BLK_INIT_QUAD_LDD_P 0xe2 15 #define ASI_BLK_INIT_QUAD_LDD_P 0xe2
16 #define FPRS_FEF 0x04 16 #define FPRS_FEF 0x04
17 #ifdef MEMCPY_DEBUG 17 #ifdef MEMCPY_DEBUG
18 #define VISEntryHalf rd %fprs, %o5; wr %g0, FP 18 #define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs; \
19 clr %g1; clr %g2; clr %g3 19 clr %g1; clr %g2; clr %g3; clr %g5; subcc %g0, %g0, %g0;
20 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr 20 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
21 #else 21 #else
22 #define VISEntryHalf rd %fprs, %o5; wr %g0, FP 22 #define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs
23 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr 23 #define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
24 #endif 24 #endif
25 #define GLOBAL_SPARE %g5 25 #define GLOBAL_SPARE %g5
26 #endif 26 #endif
27 27
28 #ifndef STORE_ASI 28 #ifndef STORE_ASI
29 #ifndef SIMULATE_NIAGARA_ON_NON_NIAGARA 29 #ifndef SIMULATE_NIAGARA_ON_NON_NIAGARA
30 #define STORE_ASI ASI_BLK_INIT_QUAD_LDD_ 30 #define STORE_ASI ASI_BLK_INIT_QUAD_LDD_P
31 #else 31 #else
32 #define STORE_ASI 0x80 /* ASI 32 #define STORE_ASI 0x80 /* ASI_P */
33 #endif 33 #endif
34 #endif 34 #endif
35 35
36 #ifndef EX_LD 36 #ifndef EX_LD
37 #define EX_LD(x,y) x 37 #define EX_LD(x,y) x
38 #endif 38 #endif
39 #ifndef EX_LD_FP 39 #ifndef EX_LD_FP
40 #define EX_LD_FP(x,y) x 40 #define EX_LD_FP(x,y) x
41 #endif 41 #endif
42 42
43 #ifndef EX_ST 43 #ifndef EX_ST
44 #define EX_ST(x,y) x 44 #define EX_ST(x,y) x
45 #endif 45 #endif
46 #ifndef EX_ST_FP 46 #ifndef EX_ST_FP
47 #define EX_ST_FP(x,y) x 47 #define EX_ST_FP(x,y) x
48 #endif 48 #endif
49 49
50 #ifndef LOAD 50 #ifndef LOAD
51 #define LOAD(type,addr,dest) type [addr], d 51 #define LOAD(type,addr,dest) type [addr], dest
52 #endif 52 #endif
53 53
54 #ifndef LOAD_BLK 54 #ifndef LOAD_BLK
55 #define LOAD_BLK(addr,dest) ldda [addr] AS 55 #define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_P, dest
56 #endif 56 #endif
57 57
58 #ifndef STORE 58 #ifndef STORE
59 #ifndef MEMCPY_DEBUG 59 #ifndef MEMCPY_DEBUG
60 #define STORE(type,src,addr) type src, [add 60 #define STORE(type,src,addr) type src, [addr]
61 #else 61 #else
62 #define STORE(type,src,addr) type##a src, [ 62 #define STORE(type,src,addr) type##a src, [addr] 0x80
63 #endif 63 #endif
64 #endif 64 #endif
65 65
66 #ifndef STORE_BLK 66 #ifndef STORE_BLK
67 #define STORE_BLK(src,addr) stda src, [add 67 #define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_P
68 #endif 68 #endif
69 69
70 #ifndef STORE_INIT 70 #ifndef STORE_INIT
71 #define STORE_INIT(src,addr) stxa src, [add 71 #define STORE_INIT(src,addr) stxa src, [addr] STORE_ASI
72 #endif 72 #endif
73 73
74 #ifndef FUNC_NAME 74 #ifndef FUNC_NAME
75 #define FUNC_NAME NG2memcpy 75 #define FUNC_NAME NG2memcpy
76 #endif 76 #endif
77 77
78 #ifndef PREAMBLE 78 #ifndef PREAMBLE
79 #define PREAMBLE 79 #define PREAMBLE
80 #endif 80 #endif
81 81
82 #ifndef XCC 82 #ifndef XCC
83 #define XCC xcc 83 #define XCC xcc
84 #endif 84 #endif
85 85
86 #define FREG_FROB(x0, x1, x2, x3, x4, x5, x6, 86 #define FREG_FROB(x0, x1, x2, x3, x4, x5, x6, x7, x8) \
87 faligndata %x0, %x1, %f0; \ 87 faligndata %x0, %x1, %f0; \
88 faligndata %x1, %x2, %f2; \ 88 faligndata %x1, %x2, %f2; \
89 faligndata %x2, %x3, %f4; \ 89 faligndata %x2, %x3, %f4; \
90 faligndata %x3, %x4, %f6; \ 90 faligndata %x3, %x4, %f6; \
91 faligndata %x4, %x5, %f8; \ 91 faligndata %x4, %x5, %f8; \
92 faligndata %x5, %x6, %f10; \ 92 faligndata %x5, %x6, %f10; \
93 faligndata %x6, %x7, %f12; \ 93 faligndata %x6, %x7, %f12; \
94 faligndata %x7, %x8, %f14; 94 faligndata %x7, %x8, %f14;
95 95
96 #define FREG_MOVE_1(x0) \ 96 #define FREG_MOVE_1(x0) \
97 fsrc2 %x0, %f0; 97 fsrc2 %x0, %f0;
98 #define FREG_MOVE_2(x0, x1) \ 98 #define FREG_MOVE_2(x0, x1) \
99 fsrc2 %x0, %f0; \ 99 fsrc2 %x0, %f0; \
100 fsrc2 %x1, %f2; 100 fsrc2 %x1, %f2;
101 #define FREG_MOVE_3(x0, x1, x2) \ 101 #define FREG_MOVE_3(x0, x1, x2) \
102 fsrc2 %x0, %f0; \ 102 fsrc2 %x0, %f0; \
103 fsrc2 %x1, %f2; \ 103 fsrc2 %x1, %f2; \
104 fsrc2 %x2, %f4; 104 fsrc2 %x2, %f4;
105 #define FREG_MOVE_4(x0, x1, x2, x3) \ 105 #define FREG_MOVE_4(x0, x1, x2, x3) \
106 fsrc2 %x0, %f0; \ 106 fsrc2 %x0, %f0; \
107 fsrc2 %x1, %f2; \ 107 fsrc2 %x1, %f2; \
108 fsrc2 %x2, %f4; \ 108 fsrc2 %x2, %f4; \
109 fsrc2 %x3, %f6; 109 fsrc2 %x3, %f6;
110 #define FREG_MOVE_5(x0, x1, x2, x3, x4) \ 110 #define FREG_MOVE_5(x0, x1, x2, x3, x4) \
111 fsrc2 %x0, %f0; \ 111 fsrc2 %x0, %f0; \
112 fsrc2 %x1, %f2; \ 112 fsrc2 %x1, %f2; \
113 fsrc2 %x2, %f4; \ 113 fsrc2 %x2, %f4; \
114 fsrc2 %x3, %f6; \ 114 fsrc2 %x3, %f6; \
115 fsrc2 %x4, %f8; 115 fsrc2 %x4, %f8;
116 #define FREG_MOVE_6(x0, x1, x2, x3, x4, x5) \ 116 #define FREG_MOVE_6(x0, x1, x2, x3, x4, x5) \
117 fsrc2 %x0, %f0; \ 117 fsrc2 %x0, %f0; \
118 fsrc2 %x1, %f2; \ 118 fsrc2 %x1, %f2; \
119 fsrc2 %x2, %f4; \ 119 fsrc2 %x2, %f4; \
120 fsrc2 %x3, %f6; \ 120 fsrc2 %x3, %f6; \
121 fsrc2 %x4, %f8; \ 121 fsrc2 %x4, %f8; \
122 fsrc2 %x5, %f10; 122 fsrc2 %x5, %f10;
123 #define FREG_MOVE_7(x0, x1, x2, x3, x4, x5, x6 123 #define FREG_MOVE_7(x0, x1, x2, x3, x4, x5, x6) \
124 fsrc2 %x0, %f0; \ 124 fsrc2 %x0, %f0; \
125 fsrc2 %x1, %f2; \ 125 fsrc2 %x1, %f2; \
126 fsrc2 %x2, %f4; \ 126 fsrc2 %x2, %f4; \
127 fsrc2 %x3, %f6; \ 127 fsrc2 %x3, %f6; \
128 fsrc2 %x4, %f8; \ 128 fsrc2 %x4, %f8; \
129 fsrc2 %x5, %f10; \ 129 fsrc2 %x5, %f10; \
130 fsrc2 %x6, %f12; 130 fsrc2 %x6, %f12;
131 #define FREG_MOVE_8(x0, x1, x2, x3, x4, x5, x6 131 #define FREG_MOVE_8(x0, x1, x2, x3, x4, x5, x6, x7) \
132 fsrc2 %x0, %f0; \ 132 fsrc2 %x0, %f0; \
133 fsrc2 %x1, %f2; \ 133 fsrc2 %x1, %f2; \
134 fsrc2 %x2, %f4; \ 134 fsrc2 %x2, %f4; \
135 fsrc2 %x3, %f6; \ 135 fsrc2 %x3, %f6; \
136 fsrc2 %x4, %f8; \ 136 fsrc2 %x4, %f8; \
137 fsrc2 %x5, %f10; \ 137 fsrc2 %x5, %f10; \
138 fsrc2 %x6, %f12; \ 138 fsrc2 %x6, %f12; \
139 fsrc2 %x7, %f14; 139 fsrc2 %x7, %f14;
140 #define FREG_LOAD_1(base, x0) \ 140 #define FREG_LOAD_1(base, x0) \
141 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), 141 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1)
142 #define FREG_LOAD_2(base, x0, x1) \ 142 #define FREG_LOAD_2(base, x0, x1) \
143 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), 143 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
144 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), 144 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1);
145 #define FREG_LOAD_3(base, x0, x1, x2) \ 145 #define FREG_LOAD_3(base, x0, x1, x2) \
146 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), 146 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
147 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), 147 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
148 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), 148 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1);
149 #define FREG_LOAD_4(base, x0, x1, x2, x3) \ 149 #define FREG_LOAD_4(base, x0, x1, x2, x3) \
150 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), 150 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
151 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), 151 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
152 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), 152 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
153 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), 153 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1);
154 #define FREG_LOAD_5(base, x0, x1, x2, x3, x4) 154 #define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \
155 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), 155 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
156 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), 156 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
157 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), 157 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
158 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), 158 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
159 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), 159 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1);
160 #define FREG_LOAD_6(base, x0, x1, x2, x3, x4, 160 #define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \
161 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), 161 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
162 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), 162 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
163 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), 163 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
164 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), 164 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
165 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), 165 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \
166 EX_LD_FP(LOAD(ldd, base + 0x28, %x5), 166 EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1);
167 #define FREG_LOAD_7(base, x0, x1, x2, x3, x4, 167 #define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \
168 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), 168 EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
169 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), 169 EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
170 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), 170 EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
171 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), 171 EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
172 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), 172 EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \
173 EX_LD_FP(LOAD(ldd, base + 0x28, %x5), 173 EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1); \
174 EX_LD_FP(LOAD(ldd, base + 0x30, %x6), 174 EX_LD_FP(LOAD(ldd, base + 0x30, %x6), NG2_retl_o2_plus_g1);
175 175
176 .register %g2,#scratch 176 .register %g2,#scratch
177 .register %g3,#scratch 177 .register %g3,#scratch
178 178
179 .text 179 .text
180 #ifndef EX_RETVAL 180 #ifndef EX_RETVAL
181 #define EX_RETVAL(x) x 181 #define EX_RETVAL(x) x
182 __restore_fp: 182 __restore_fp:
183 VISExitHalf 183 VISExitHalf
184 __restore_asi: 184 __restore_asi:
185 retl 185 retl
186 wr %g0, ASI_AIUS, %asi 186 wr %g0, ASI_AIUS, %asi
187 ENTRY(NG2_retl_o2) 187 ENTRY(NG2_retl_o2)
188 ba,pt %xcc, __restore_asi 188 ba,pt %xcc, __restore_asi
189 mov %o2, %o0 189 mov %o2, %o0
190 ENDPROC(NG2_retl_o2) 190 ENDPROC(NG2_retl_o2)
191 ENTRY(NG2_retl_o2_plus_1) 191 ENTRY(NG2_retl_o2_plus_1)
192 ba,pt %xcc, __restore_asi 192 ba,pt %xcc, __restore_asi
193 add %o2, 1, %o0 193 add %o2, 1, %o0
194 ENDPROC(NG2_retl_o2_plus_1) 194 ENDPROC(NG2_retl_o2_plus_1)
195 ENTRY(NG2_retl_o2_plus_4) 195 ENTRY(NG2_retl_o2_plus_4)
196 ba,pt %xcc, __restore_asi 196 ba,pt %xcc, __restore_asi
197 add %o2, 4, %o0 197 add %o2, 4, %o0
198 ENDPROC(NG2_retl_o2_plus_4) 198 ENDPROC(NG2_retl_o2_plus_4)
199 ENTRY(NG2_retl_o2_plus_8) 199 ENTRY(NG2_retl_o2_plus_8)
200 ba,pt %xcc, __restore_asi 200 ba,pt %xcc, __restore_asi
201 add %o2, 8, %o0 201 add %o2, 8, %o0
202 ENDPROC(NG2_retl_o2_plus_8) 202 ENDPROC(NG2_retl_o2_plus_8)
203 ENTRY(NG2_retl_o2_plus_o4_plus_1) 203 ENTRY(NG2_retl_o2_plus_o4_plus_1)
204 add %o4, 1, %o4 204 add %o4, 1, %o4
205 ba,pt %xcc, __restore_asi 205 ba,pt %xcc, __restore_asi
206 add %o2, %o4, %o0 206 add %o2, %o4, %o0
207 ENDPROC(NG2_retl_o2_plus_o4_plus_1) 207 ENDPROC(NG2_retl_o2_plus_o4_plus_1)
208 ENTRY(NG2_retl_o2_plus_o4_plus_8) 208 ENTRY(NG2_retl_o2_plus_o4_plus_8)
209 add %o4, 8, %o4 209 add %o4, 8, %o4
210 ba,pt %xcc, __restore_asi 210 ba,pt %xcc, __restore_asi
211 add %o2, %o4, %o0 211 add %o2, %o4, %o0
212 ENDPROC(NG2_retl_o2_plus_o4_plus_8) 212 ENDPROC(NG2_retl_o2_plus_o4_plus_8)
213 ENTRY(NG2_retl_o2_plus_o4_plus_16) 213 ENTRY(NG2_retl_o2_plus_o4_plus_16)
214 add %o4, 16, %o4 214 add %o4, 16, %o4
215 ba,pt %xcc, __restore_asi 215 ba,pt %xcc, __restore_asi
216 add %o2, %o4, %o0 216 add %o2, %o4, %o0
217 ENDPROC(NG2_retl_o2_plus_o4_plus_16) 217 ENDPROC(NG2_retl_o2_plus_o4_plus_16)
218 ENTRY(NG2_retl_o2_plus_g1_fp) 218 ENTRY(NG2_retl_o2_plus_g1_fp)
219 ba,pt %xcc, __restore_fp 219 ba,pt %xcc, __restore_fp
220 add %o2, %g1, %o0 220 add %o2, %g1, %o0
221 ENDPROC(NG2_retl_o2_plus_g1_fp) 221 ENDPROC(NG2_retl_o2_plus_g1_fp)
222 ENTRY(NG2_retl_o2_plus_g1_plus_64_fp) 222 ENTRY(NG2_retl_o2_plus_g1_plus_64_fp)
223 add %g1, 64, %g1 223 add %g1, 64, %g1
224 ba,pt %xcc, __restore_fp 224 ba,pt %xcc, __restore_fp
225 add %o2, %g1, %o0 225 add %o2, %g1, %o0
226 ENDPROC(NG2_retl_o2_plus_g1_plus_64_fp) 226 ENDPROC(NG2_retl_o2_plus_g1_plus_64_fp)
227 ENTRY(NG2_retl_o2_plus_g1_plus_1) 227 ENTRY(NG2_retl_o2_plus_g1_plus_1)
228 add %g1, 1, %g1 228 add %g1, 1, %g1
229 ba,pt %xcc, __restore_asi 229 ba,pt %xcc, __restore_asi
230 add %o2, %g1, %o0 230 add %o2, %g1, %o0
231 ENDPROC(NG2_retl_o2_plus_g1_plus_1) 231 ENDPROC(NG2_retl_o2_plus_g1_plus_1)
232 ENTRY(NG2_retl_o2_and_7_plus_o4) 232 ENTRY(NG2_retl_o2_and_7_plus_o4)
233 and %o2, 7, %o2 233 and %o2, 7, %o2
234 ba,pt %xcc, __restore_asi 234 ba,pt %xcc, __restore_asi
235 add %o2, %o4, %o0 235 add %o2, %o4, %o0
236 ENDPROC(NG2_retl_o2_and_7_plus_o4) 236 ENDPROC(NG2_retl_o2_and_7_plus_o4)
237 ENTRY(NG2_retl_o2_and_7_plus_o4_plus_8) 237 ENTRY(NG2_retl_o2_and_7_plus_o4_plus_8)
238 and %o2, 7, %o2 238 and %o2, 7, %o2
239 add %o4, 8, %o4 239 add %o4, 8, %o4
240 ba,pt %xcc, __restore_asi 240 ba,pt %xcc, __restore_asi
241 add %o2, %o4, %o0 241 add %o2, %o4, %o0
242 ENDPROC(NG2_retl_o2_and_7_plus_o4_plus_8) 242 ENDPROC(NG2_retl_o2_and_7_plus_o4_plus_8)
243 #endif 243 #endif
244 244
245 .align 64 245 .align 64
246 246
247 .globl FUNC_NAME 247 .globl FUNC_NAME
248 .type FUNC_NAME,#function 248 .type FUNC_NAME,#function
249 FUNC_NAME: /* %o0=dst, %o1=src, %o2=len * 249 FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
250 srlx %o2, 31, %g2 250 srlx %o2, 31, %g2
251 cmp %g2, 0 251 cmp %g2, 0
252 tne %xcc, 5 252 tne %xcc, 5
253 PREAMBLE 253 PREAMBLE
254 mov %o0, %o3 254 mov %o0, %o3
255 cmp %o2, 0 255 cmp %o2, 0
256 be,pn %XCC, 85f 256 be,pn %XCC, 85f
257 or %o0, %o1, GLOBAL_SPARE 257 or %o0, %o1, GLOBAL_SPARE
258 cmp %o2, 16 258 cmp %o2, 16
259 blu,a,pn %XCC, 80f 259 blu,a,pn %XCC, 80f
260 or GLOBAL_SPARE, %o2, GLO 260 or GLOBAL_SPARE, %o2, GLOBAL_SPARE
261 261
262 /* 2 blocks (128 bytes) is the minimum 262 /* 2 blocks (128 bytes) is the minimum we can do the block
263 * copy with. We need to ensure that 263 * copy with. We need to ensure that we'll iterate at least
264 * once in the block copy loop. At wo 264 * once in the block copy loop. At worst we'll need to align
265 * the destination to a 64-byte bounda 265 * the destination to a 64-byte boundary which can chew up
266 * to (64 - 1) bytes from the length b 266 * to (64 - 1) bytes from the length before we perform the
267 * block copy loop. 267 * block copy loop.
268 * 268 *
269 * However, the cut-off point, perform 269 * However, the cut-off point, performance wise, is around
270 * 4 64-byte blocks. 270 * 4 64-byte blocks.
271 */ 271 */
272 cmp %o2, (4 * 64) 272 cmp %o2, (4 * 64)
273 blu,pt %XCC, 75f 273 blu,pt %XCC, 75f
274 andcc GLOBAL_SPARE, 0x7, %g0 274 andcc GLOBAL_SPARE, 0x7, %g0
275 275
276 /* %o0: dst 276 /* %o0: dst
277 * %o1: src 277 * %o1: src
278 * %o2: len (known to be >= 128) 278 * %o2: len (known to be >= 128)
279 * 279 *
280 * The block copy loops can use %o4, % 280 * The block copy loops can use %o4, %g2, %g3 as
281 * temporaries while copying the data. 281 * temporaries while copying the data. %o5 must
282 * be preserved between VISEntryHalf a 282 * be preserved between VISEntryHalf and VISExitHalf
283 */ 283 */
284 284
285 LOAD(prefetch, %o1 + 0x000, #one_read) 285 LOAD(prefetch, %o1 + 0x000, #one_read)
286 LOAD(prefetch, %o1 + 0x040, #one_read) 286 LOAD(prefetch, %o1 + 0x040, #one_read)
287 LOAD(prefetch, %o1 + 0x080, #one_read) 287 LOAD(prefetch, %o1 + 0x080, #one_read)
288 288
289 /* Align destination on 64-byte bounda 289 /* Align destination on 64-byte boundary. */
290 andcc %o0, (64 - 1), %o4 290 andcc %o0, (64 - 1), %o4
291 be,pt %XCC, 2f 291 be,pt %XCC, 2f
292 sub %o4, 64, %o4 292 sub %o4, 64, %o4
293 sub %g0, %o4, %o4 ! byte 293 sub %g0, %o4, %o4 ! bytes to align dst
294 sub %o2, %o4, %o2 294 sub %o2, %o4, %o2
295 1: subcc %o4, 1, %o4 295 1: subcc %o4, 1, %o4
296 EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o 296 EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_o4_plus_1)
297 EX_ST(STORE(stb, %g1, %o0), NG2_retl_o 297 EX_ST(STORE(stb, %g1, %o0), NG2_retl_o2_plus_o4_plus_1)
298 add %o1, 1, %o1 298 add %o1, 1, %o1
299 bne,pt %XCC, 1b 299 bne,pt %XCC, 1b
300 add %o0, 1, %o0 300 add %o0, 1, %o0
301 301
302 2: 302 2:
303 /* Clobbers o5/g1/g2/g3/g7/icc/xcc. W 303 /* Clobbers o5/g1/g2/g3/g7/icc/xcc. We must preserve
304 * o5 from here until we hit VISExitHa 304 * o5 from here until we hit VISExitHalf.
305 */ 305 */
306 VISEntryHalf 306 VISEntryHalf
307 307
308 membar #Sync 308 membar #Sync
309 alignaddr %o1, %g0, %g0 309 alignaddr %o1, %g0, %g0
310 310
311 add %o1, (64 - 1), %o4 311 add %o1, (64 - 1), %o4
312 andn %o4, (64 - 1), %o4 312 andn %o4, (64 - 1), %o4
313 andn %o2, (64 - 1), %g1 313 andn %o2, (64 - 1), %g1
314 sub %o2, %g1, %o2 314 sub %o2, %g1, %o2
315 315
316 and %o1, (64 - 1), %g2 316 and %o1, (64 - 1), %g2
317 add %o1, %g1, %o1 317 add %o1, %g1, %o1
318 sub %o0, %o4, %g3 318 sub %o0, %o4, %g3
319 brz,pt %g2, 190f 319 brz,pt %g2, 190f
320 cmp %g2, 32 320 cmp %g2, 32
321 blu,a 5f 321 blu,a 5f
322 cmp %g2, 16 322 cmp %g2, 16
323 cmp %g2, 48 323 cmp %g2, 48
324 blu,a 4f 324 blu,a 4f
325 cmp %g2, 40 325 cmp %g2, 40
326 cmp %g2, 56 326 cmp %g2, 56
327 blu 170f 327 blu 170f
328 nop 328 nop
329 ba,a,pt %xcc, 180f 329 ba,a,pt %xcc, 180f
330 nop 330 nop
331 331
332 4: /* 32 <= low bits < 48 */ 332 4: /* 32 <= low bits < 48 */
333 blu 150f 333 blu 150f
334 nop 334 nop
335 ba,a,pt %xcc, 160f 335 ba,a,pt %xcc, 160f
336 nop 336 nop
337 5: /* 0 < low bits < 32 */ 337 5: /* 0 < low bits < 32 */
338 blu,a 6f 338 blu,a 6f
339 cmp %g2, 8 339 cmp %g2, 8
340 cmp %g2, 24 340 cmp %g2, 24
341 blu 130f 341 blu 130f
342 nop 342 nop
343 ba,a,pt %xcc, 140f 343 ba,a,pt %xcc, 140f
344 nop 344 nop
345 6: /* 0 < low bits < 16 */ 345 6: /* 0 < low bits < 16 */
346 bgeu 120f 346 bgeu 120f
347 nop 347 nop
348 /* fall through for 0 < low bits < 8 * 348 /* fall through for 0 < low bits < 8 */
349 110: sub %o4, 64, %g2 349 110: sub %o4, 64, %g2
350 EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_ 350 EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_o2_plus_g1)
351 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 351 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
352 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 352 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
353 FREG_FROB(f0, f2, f4, f6, f8, f10, f12 353 FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16)
354 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 354 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
355 FREG_MOVE_8(f16, f18, f20, f22, f24, f 355 FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30)
356 subcc %g1, 64, %g1 356 subcc %g1, 64, %g1
357 add %o4, 64, %o4 357 add %o4, 64, %o4
358 bne,pt %xcc, 1b 358 bne,pt %xcc, 1b
359 LOAD(prefetch, %o4 + 64, #one_read) 359 LOAD(prefetch, %o4 + 64, #one_read)
360 ba,pt %xcc, 195f 360 ba,pt %xcc, 195f
361 nop 361 nop
362 362
363 120: sub %o4, 56, %g2 363 120: sub %o4, 56, %g2
364 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f 364 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12)
365 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 365 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
366 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 366 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
367 FREG_FROB(f0, f2, f4, f6, f8, f10, f12 367 FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18)
368 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 368 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
369 FREG_MOVE_7(f18, f20, f22, f24, f26, f 369 FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30)
370 subcc %g1, 64, %g1 370 subcc %g1, 64, %g1
371 add %o4, 64, %o4 371 add %o4, 64, %o4
372 bne,pt %xcc, 1b 372 bne,pt %xcc, 1b
373 LOAD(prefetch, %o4 + 64, #one_read) 373 LOAD(prefetch, %o4 + 64, #one_read)
374 ba,pt %xcc, 195f 374 ba,pt %xcc, 195f
375 nop 375 nop
376 376
377 130: sub %o4, 48, %g2 377 130: sub %o4, 48, %g2
378 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f 378 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10)
379 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 379 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
380 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 380 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
381 FREG_FROB(f0, f2, f4, f6, f8, f10, f16 381 FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20)
382 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 382 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
383 FREG_MOVE_6(f20, f22, f24, f26, f28, f 383 FREG_MOVE_6(f20, f22, f24, f26, f28, f30)
384 subcc %g1, 64, %g1 384 subcc %g1, 64, %g1
385 add %o4, 64, %o4 385 add %o4, 64, %o4
386 bne,pt %xcc, 1b 386 bne,pt %xcc, 1b
387 LOAD(prefetch, %o4 + 64, #one_read) 387 LOAD(prefetch, %o4 + 64, #one_read)
388 ba,pt %xcc, 195f 388 ba,pt %xcc, 195f
389 nop 389 nop
390 390
391 140: sub %o4, 40, %g2 391 140: sub %o4, 40, %g2
392 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8) 392 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8)
393 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 393 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
394 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 394 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
395 FREG_FROB(f0, f2, f4, f6, f8, f16, f18 395 FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22)
396 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 396 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
397 FREG_MOVE_5(f22, f24, f26, f28, f30) 397 FREG_MOVE_5(f22, f24, f26, f28, f30)
398 subcc %g1, 64, %g1 398 subcc %g1, 64, %g1
399 add %o4, 64, %o4 399 add %o4, 64, %o4
400 bne,pt %xcc, 1b 400 bne,pt %xcc, 1b
401 LOAD(prefetch, %o4 + 64, #one_read) 401 LOAD(prefetch, %o4 + 64, #one_read)
402 ba,pt %xcc, 195f 402 ba,pt %xcc, 195f
403 nop 403 nop
404 404
405 150: sub %o4, 32, %g2 405 150: sub %o4, 32, %g2
406 FREG_LOAD_4(%g2, f0, f2, f4, f6) 406 FREG_LOAD_4(%g2, f0, f2, f4, f6)
407 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 407 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
408 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 408 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
409 FREG_FROB(f0, f2, f4, f6, f16, f18, f2 409 FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24)
410 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 410 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
411 FREG_MOVE_4(f24, f26, f28, f30) 411 FREG_MOVE_4(f24, f26, f28, f30)
412 subcc %g1, 64, %g1 412 subcc %g1, 64, %g1
413 add %o4, 64, %o4 413 add %o4, 64, %o4
414 bne,pt %xcc, 1b 414 bne,pt %xcc, 1b
415 LOAD(prefetch, %o4 + 64, #one_read) 415 LOAD(prefetch, %o4 + 64, #one_read)
416 ba,pt %xcc, 195f 416 ba,pt %xcc, 195f
417 nop 417 nop
418 418
419 160: sub %o4, 24, %g2 419 160: sub %o4, 24, %g2
420 FREG_LOAD_3(%g2, f0, f2, f4) 420 FREG_LOAD_3(%g2, f0, f2, f4)
421 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 421 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
422 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 422 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
423 FREG_FROB(f0, f2, f4, f16, f18, f20, f 423 FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26)
424 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 424 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
425 FREG_MOVE_3(f26, f28, f30) 425 FREG_MOVE_3(f26, f28, f30)
426 subcc %g1, 64, %g1 426 subcc %g1, 64, %g1
427 add %o4, 64, %o4 427 add %o4, 64, %o4
428 bne,pt %xcc, 1b 428 bne,pt %xcc, 1b
429 LOAD(prefetch, %o4 + 64, #one_read) 429 LOAD(prefetch, %o4 + 64, #one_read)
430 ba,pt %xcc, 195f 430 ba,pt %xcc, 195f
431 nop 431 nop
432 432
433 170: sub %o4, 16, %g2 433 170: sub %o4, 16, %g2
434 FREG_LOAD_2(%g2, f0, f2) 434 FREG_LOAD_2(%g2, f0, f2)
435 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 435 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
436 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 436 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
437 FREG_FROB(f0, f2, f16, f18, f20, f22, 437 FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28)
438 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 438 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
439 FREG_MOVE_2(f28, f30) 439 FREG_MOVE_2(f28, f30)
440 subcc %g1, 64, %g1 440 subcc %g1, 64, %g1
441 add %o4, 64, %o4 441 add %o4, 64, %o4
442 bne,pt %xcc, 1b 442 bne,pt %xcc, 1b
443 LOAD(prefetch, %o4 + 64, #one_read) 443 LOAD(prefetch, %o4 + 64, #one_read)
444 ba,pt %xcc, 195f 444 ba,pt %xcc, 195f
445 nop 445 nop
446 446
447 180: sub %o4, 8, %g2 447 180: sub %o4, 8, %g2
448 FREG_LOAD_1(%g2, f0) 448 FREG_LOAD_1(%g2, f0)
449 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 449 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
450 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl 450 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
451 FREG_FROB(f0, f16, f18, f20, f22, f24, 451 FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30)
452 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 452 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
453 FREG_MOVE_1(f30) 453 FREG_MOVE_1(f30)
454 subcc %g1, 64, %g1 454 subcc %g1, 64, %g1
455 add %o4, 64, %o4 455 add %o4, 64, %o4
456 bne,pt %xcc, 1b 456 bne,pt %xcc, 1b
457 LOAD(prefetch, %o4 + 64, #one_read) 457 LOAD(prefetch, %o4 + 64, #one_read)
458 ba,pt %xcc, 195f 458 ba,pt %xcc, 195f
459 nop 459 nop
460 460
461 190: 461 190:
462 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N 462 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
463 subcc %g1, 64, %g1 463 subcc %g1, 64, %g1
464 EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_ 464 EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_o2_plus_g1_plus_64)
465 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG 465 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1_plus_64)
466 add %o4, 64, %o4 466 add %o4, 64, %o4
467 bne,pt %xcc, 1b 467 bne,pt %xcc, 1b
468 LOAD(prefetch, %o4 + 64, #one_read) 468 LOAD(prefetch, %o4 + 64, #one_read)
469 469
470 195: 470 195:
471 add %o4, %g3, %o0 471 add %o4, %g3, %o0
472 membar #Sync 472 membar #Sync
473 473
474 VISExitHalf 474 VISExitHalf
475 475
476 /* %o2 contains any final bytes still 476 /* %o2 contains any final bytes still needed to be copied
477 * over. If anything is left, we copy 477 * over. If anything is left, we copy it one byte at a time.
478 */ 478 */
479 brz,pt %o2, 85f 479 brz,pt %o2, 85f
480 sub %o0, %o1, GLOBAL_SPARE 480 sub %o0, %o1, GLOBAL_SPARE
481 ba,a,pt %XCC, 90f 481 ba,a,pt %XCC, 90f
482 nop 482 nop
483 483
484 .align 64 484 .align 64
485 75: /* 16 < len <= 64 */ 485 75: /* 16 < len <= 64 */
486 bne,pn %XCC, 75f 486 bne,pn %XCC, 75f
487 sub %o0, %o1, GLOBAL_SPARE 487 sub %o0, %o1, GLOBAL_SPARE
488 488
489 72: 489 72:
490 andn %o2, 0xf, %o4 490 andn %o2, 0xf, %o4
491 and %o2, 0xf, %o2 491 and %o2, 0xf, %o2
492 1: subcc %o4, 0x10, %o4 492 1: subcc %o4, 0x10, %o4
493 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2 493 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_o4_plus_16)
494 add %o1, 0x08, %o1 494 add %o1, 0x08, %o1
495 EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2 495 EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2_plus_o4_plus_16)
496 sub %o1, 0x08, %o1 496 sub %o1, 0x08, %o1
497 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPA 497 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_16)
498 add %o1, 0x8, %o1 498 add %o1, 0x8, %o1
499 EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPA 499 EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_8)
500 bgu,pt %XCC, 1b 500 bgu,pt %XCC, 1b
501 add %o1, 0x8, %o1 501 add %o1, 0x8, %o1
502 73: andcc %o2, 0x8, %g0 502 73: andcc %o2, 0x8, %g0
503 be,pt %XCC, 1f 503 be,pt %XCC, 1f
504 nop 504 nop
505 sub %o2, 0x8, %o2 505 sub %o2, 0x8, %o2
506 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2 506 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_8)
507 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPA 507 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_8)
508 add %o1, 0x8, %o1 508 add %o1, 0x8, %o1
509 1: andcc %o2, 0x4, %g0 509 1: andcc %o2, 0x4, %g0
510 be,pt %XCC, 1f 510 be,pt %XCC, 1f
511 nop 511 nop
512 sub %o2, 0x4, %o2 512 sub %o2, 0x4, %o2
513 EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o 513 EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o2_plus_4)
514 EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPA 514 EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4)
515 add %o1, 0x4, %o1 515 add %o1, 0x4, %o1
516 1: cmp %o2, 0 516 1: cmp %o2, 0
517 be,pt %XCC, 85f 517 be,pt %XCC, 85f
518 nop 518 nop
519 ba,pt %xcc, 90f 519 ba,pt %xcc, 90f
520 nop 520 nop
521 521
522 75: 522 75:
523 andcc %o0, 0x7, %g1 523 andcc %o0, 0x7, %g1
524 sub %g1, 0x8, %g1 524 sub %g1, 0x8, %g1
525 be,pn %icc, 2f 525 be,pn %icc, 2f
526 sub %g0, %g1, %g1 526 sub %g0, %g1, %g1
527 sub %o2, %g1, %o2 527 sub %o2, %g1, %o2
528 528
529 1: subcc %g1, 1, %g1 529 1: subcc %g1, 1, %g1
530 EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o 530 EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o2_plus_g1_plus_1)
531 EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPA 531 EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_g1_plus_1)
532 bgu,pt %icc, 1b 532 bgu,pt %icc, 1b
533 add %o1, 1, %o1 533 add %o1, 1, %o1
534 534
535 2: add %o1, GLOBAL_SPARE, %o0 535 2: add %o1, GLOBAL_SPARE, %o0
536 andcc %o1, 0x7, %g1 536 andcc %o1, 0x7, %g1
537 bne,pt %icc, 8f 537 bne,pt %icc, 8f
538 sll %g1, 3, %g1 538 sll %g1, 3, %g1
539 539
540 cmp %o2, 16 540 cmp %o2, 16
541 bgeu,pt %icc, 72b 541 bgeu,pt %icc, 72b
542 nop 542 nop
543 ba,a,pt %xcc, 73b 543 ba,a,pt %xcc, 73b
544 544
545 8: mov 64, GLOBAL_SPARE 545 8: mov 64, GLOBAL_SPARE
546 andn %o1, 0x7, %o1 546 andn %o1, 0x7, %o1
547 EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2 547 EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2)
548 sub GLOBAL_SPARE, %g1, GLO 548 sub GLOBAL_SPARE, %g1, GLOBAL_SPARE
549 andn %o2, 0x7, %o4 549 andn %o2, 0x7, %o4
550 sllx %g2, %g1, %g2 550 sllx %g2, %g1, %g2
551 1: add %o1, 0x8, %o1 551 1: add %o1, 0x8, %o1
552 EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2 552 EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2_and_7_plus_o4)
553 subcc %o4, 0x8, %o4 553 subcc %o4, 0x8, %o4
554 srlx %g3, GLOBAL_SPARE, %o5 554 srlx %g3, GLOBAL_SPARE, %o5
555 or %o5, %g2, %o5 555 or %o5, %g2, %o5
556 EX_ST(STORE(stx, %o5, %o0), NG2_retl_o 556 EX_ST(STORE(stx, %o5, %o0), NG2_retl_o2_and_7_plus_o4_plus_8)
557 add %o0, 0x8, %o0 557 add %o0, 0x8, %o0
558 bgu,pt %icc, 1b 558 bgu,pt %icc, 1b
559 sllx %g3, %g1, %g2 559 sllx %g3, %g1, %g2
560 560
561 srl %g1, 3, %g1 561 srl %g1, 3, %g1
562 andcc %o2, 0x7, %o2 562 andcc %o2, 0x7, %o2
563 be,pn %icc, 85f 563 be,pn %icc, 85f
564 add %o1, %g1, %o1 564 add %o1, %g1, %o1
565 ba,pt %xcc, 90f 565 ba,pt %xcc, 90f
566 sub %o0, %o1, GLOBAL_SPARE 566 sub %o0, %o1, GLOBAL_SPARE
567 567
568 .align 64 568 .align 64
569 80: /* 0 < len <= 16 */ 569 80: /* 0 < len <= 16 */
570 andcc GLOBAL_SPARE, 0x3, %g0 570 andcc GLOBAL_SPARE, 0x3, %g0
571 bne,pn %XCC, 90f 571 bne,pn %XCC, 90f
572 sub %o0, %o1, GLOBAL_SPARE 572 sub %o0, %o1, GLOBAL_SPARE
573 573
574 1: 574 1:
575 subcc %o2, 4, %o2 575 subcc %o2, 4, %o2
576 EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o 576 EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o2_plus_4)
577 EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPA 577 EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4)
578 bgu,pt %XCC, 1b 578 bgu,pt %XCC, 1b
579 add %o1, 4, %o1 579 add %o1, 4, %o1
580 580
581 85: retl 581 85: retl
582 mov EX_RETVAL(%o3), %o0 582 mov EX_RETVAL(%o3), %o0
583 583
584 .align 32 584 .align 32
585 90: 585 90:
586 subcc %o2, 1, %o2 586 subcc %o2, 1, %o2
587 EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o 587 EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_1)
588 EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPA 588 EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_1)
589 bgu,pt %XCC, 90b 589 bgu,pt %XCC, 90b
590 add %o1, 1, %o1 590 add %o1, 1, %o1
591 retl 591 retl
592 mov EX_RETVAL(%o3), %o0 592 mov EX_RETVAL(%o3), %o0
593 593
594 .size FUNC_NAME, .-FUNC_NAME 594 .size FUNC_NAME, .-FUNC_NAME
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