projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| cf5adce1 DM |
1 | /* NG2memcpy.S: Niagara-2 optimized memcpy. |
| 2 | * | |
| 3 | * Copyright (C) 2007 David S. Miller (davem@davemloft.net) | |
| 4 | */ | |
| 5 | ||
| 6 | #ifdef __KERNEL__ | |
| e93704e4 | 7 | #include <linux/linkage.h> |
| cf5adce1 DM |
8 | #include <asm/visasm.h> |
| 9 | #include <asm/asi.h> | |
| 10 | #define GLOBAL_SPARE %g7 | |
| 11 | #else | |
| 12 | #define ASI_PNF 0x82 | |
| 13 | #define ASI_BLK_P 0xf0 | |
| 14 | #define ASI_BLK_INIT_QUAD_LDD_P 0xe2 | |
| 15 | #define FPRS_FEF 0x04 | |
| 16 | #ifdef MEMCPY_DEBUG | |
| 17 | #define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs; \ | |
| 1b62ca7b | 18 | clr %g1; clr %g2; clr %g3; clr %g5; subcc %g0, %g0, %g0; |
| cf5adce1 DM |
19 | #define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs |
| 20 | #else | |
| 21 | #define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs | |
| 22 | #define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs | |
| 23 | #endif | |
| 24 | #define GLOBAL_SPARE %g5 | |
| 25 | #endif | |
| 26 | ||
| 27 | #ifndef STORE_ASI | |
| 28 | #ifndef SIMULATE_NIAGARA_ON_NON_NIAGARA | |
| 29 | #define STORE_ASI ASI_BLK_INIT_QUAD_LDD_P | |
| 30 | #else | |
| 31 | #define STORE_ASI 0x80 /* ASI_P */ | |
| 32 | #endif | |
| 33 | #endif | |
| 34 | ||
| 35 | #ifndef EX_LD | |
| e93704e4 | 36 | #define EX_LD(x,y) x |
| cf5adce1 | 37 | #endif |
| a7c5724b | 38 | #ifndef EX_LD_FP |
| e93704e4 | 39 | #define EX_LD_FP(x,y) x |
| a7c5724b | 40 | #endif |
| cf5adce1 DM |
41 | |
| 42 | #ifndef EX_ST | |
| e93704e4 | 43 | #define EX_ST(x,y) x |
| cf5adce1 | 44 | #endif |
| a7c5724b | 45 | #ifndef EX_ST_FP |
| e93704e4 | 46 | #define EX_ST_FP(x,y) x |
| cf5adce1 DM |
47 | #endif |
| 48 | ||
| 49 | #ifndef LOAD | |
| 50 | #define LOAD(type,addr,dest) type [addr], dest | |
| 51 | #endif | |
| 52 | ||
| 53 | #ifndef LOAD_BLK | |
| 54 | #define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_P, dest | |
| 55 | #endif | |
| 56 | ||
| 57 | #ifndef STORE | |
| 58 | #ifndef MEMCPY_DEBUG | |
| 59 | #define STORE(type,src,addr) type src, [addr] | |
| 60 | #else | |
| 61 | #define STORE(type,src,addr) type##a src, [addr] 0x80 | |
| 62 | #endif | |
| 63 | #endif | |
| 64 | ||
| 65 | #ifndef STORE_BLK | |
| 66 | #define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_P | |
| 67 | #endif | |
| 68 | ||
| 69 | #ifndef STORE_INIT | |
| 70 | #define STORE_INIT(src,addr) stxa src, [addr] STORE_ASI | |
| 71 | #endif | |
| 72 | ||
| 73 | #ifndef FUNC_NAME | |
| 74 | #define FUNC_NAME NG2memcpy | |
| 75 | #endif | |
| 76 | ||
| 77 | #ifndef PREAMBLE | |
| 78 | #define PREAMBLE | |
| 79 | #endif | |
| 80 | ||
| 81 | #ifndef XCC | |
| 82 | #define XCC xcc | |
| 83 | #endif | |
| 84 | ||
| 85 | #define FREG_FROB(x0, x1, x2, x3, x4, x5, x6, x7, x8) \ | |
| 86 | faligndata %x0, %x1, %f0; \ | |
| 87 | faligndata %x1, %x2, %f2; \ | |
| 88 | faligndata %x2, %x3, %f4; \ | |
| 89 | faligndata %x3, %x4, %f6; \ | |
| 90 | faligndata %x4, %x5, %f8; \ | |
| 91 | faligndata %x5, %x6, %f10; \ | |
| 92 | faligndata %x6, %x7, %f12; \ | |
| 93 | faligndata %x7, %x8, %f14; | |
| 94 | ||
| 95 | #define FREG_MOVE_1(x0) \ | |
| 6f1d827f | 96 | fsrc2 %x0, %f0; |
| cf5adce1 | 97 | #define FREG_MOVE_2(x0, x1) \ |
| 6f1d827f DM |
98 | fsrc2 %x0, %f0; \ |
| 99 | fsrc2 %x1, %f2; | |
| cf5adce1 | 100 | #define FREG_MOVE_3(x0, x1, x2) \ |
| 6f1d827f DM |
101 | fsrc2 %x0, %f0; \ |
| 102 | fsrc2 %x1, %f2; \ | |
| 103 | fsrc2 %x2, %f4; | |
| cf5adce1 | 104 | #define FREG_MOVE_4(x0, x1, x2, x3) \ |
| 6f1d827f DM |
105 | fsrc2 %x0, %f0; \ |
| 106 | fsrc2 %x1, %f2; \ | |
| 107 | fsrc2 %x2, %f4; \ | |
| 108 | fsrc2 %x3, %f6; | |
| cf5adce1 | 109 | #define FREG_MOVE_5(x0, x1, x2, x3, x4) \ |
| 6f1d827f DM |
110 | fsrc2 %x0, %f0; \ |
| 111 | fsrc2 %x1, %f2; \ | |
| 112 | fsrc2 %x2, %f4; \ | |
| 113 | fsrc2 %x3, %f6; \ | |
| 114 | fsrc2 %x4, %f8; | |
| cf5adce1 | 115 | #define FREG_MOVE_6(x0, x1, x2, x3, x4, x5) \ |
| 6f1d827f DM |
116 | fsrc2 %x0, %f0; \ |
| 117 | fsrc2 %x1, %f2; \ | |
| 118 | fsrc2 %x2, %f4; \ | |
| 119 | fsrc2 %x3, %f6; \ | |
| 120 | fsrc2 %x4, %f8; \ | |
| 121 | fsrc2 %x5, %f10; | |
| cf5adce1 | 122 | #define FREG_MOVE_7(x0, x1, x2, x3, x4, x5, x6) \ |
| 6f1d827f DM |
123 | fsrc2 %x0, %f0; \ |
| 124 | fsrc2 %x1, %f2; \ | |
| 125 | fsrc2 %x2, %f4; \ | |
| 126 | fsrc2 %x3, %f6; \ | |
| 127 | fsrc2 %x4, %f8; \ | |
| 128 | fsrc2 %x5, %f10; \ | |
| 129 | fsrc2 %x6, %f12; | |
| cf5adce1 | 130 | #define FREG_MOVE_8(x0, x1, x2, x3, x4, x5, x6, x7) \ |
| 6f1d827f DM |
131 | fsrc2 %x0, %f0; \ |
| 132 | fsrc2 %x1, %f2; \ | |
| 133 | fsrc2 %x2, %f4; \ | |
| 134 | fsrc2 %x3, %f6; \ | |
| 135 | fsrc2 %x4, %f8; \ | |
| 136 | fsrc2 %x5, %f10; \ | |
| 137 | fsrc2 %x6, %f12; \ | |
| 138 | fsrc2 %x7, %f14; | |
| cf5adce1 | 139 | #define FREG_LOAD_1(base, x0) \ |
| e93704e4 | 140 | EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1) |
| cf5adce1 | 141 | #define FREG_LOAD_2(base, x0, x1) \ |
| e93704e4 DM |
142 | EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ |
| 143 | EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); | |
| cf5adce1 | 144 | #define FREG_LOAD_3(base, x0, x1, x2) \ |
| e93704e4 DM |
145 | EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ |
| 146 | EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ | |
| 147 | EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); | |
| cf5adce1 | 148 | #define FREG_LOAD_4(base, x0, x1, x2, x3) \ |
| e93704e4 DM |
149 | EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ |
| 150 | EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ | |
| 151 | EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ | |
| 152 | EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); | |
| cf5adce1 | 153 | #define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \ |
| e93704e4 DM |
154 | EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ |
| 155 | EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ | |
| 156 | EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ | |
| 157 | EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \ | |
| 158 | EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); | |
| cf5adce1 | 159 | #define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \ |
| e93704e4 DM |
160 | EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ |
| 161 | EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ | |
| 162 | EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ | |
| 163 | EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \ | |
| 164 | EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \ | |
| 165 | EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1); | |
| cf5adce1 | 166 | #define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \ |
| e93704e4 DM |
167 | EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ |
| 168 | EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ | |
| 169 | EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ | |
| 170 | EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \ | |
| 171 | EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \ | |
| 172 | EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1); \ | |
| 173 | EX_LD_FP(LOAD(ldd, base + 0x30, %x6), NG2_retl_o2_plus_g1); | |
| cf5adce1 DM |
174 | |
| 175 | .register %g2,#scratch | |
| 176 | .register %g3,#scratch | |
| 177 | ||
| 178 | .text | |
| e93704e4 DM |
179 | #ifndef EX_RETVAL |
| 180 | #define EX_RETVAL(x) x | |
| 181 | __restore_fp: | |
| 182 | VISExitHalf | |
| 183 | __restore_asi: | |
| 184 | retl | |
| 185 | wr %g0, ASI_AIUS, %asi | |
| 186 | ENTRY(NG2_retl_o2) | |
| 187 | ba,pt %xcc, __restore_asi | |
| 188 | mov %o2, %o0 | |
| 189 | ENDPROC(NG2_retl_o2) | |
| 190 | ENTRY(NG2_retl_o2_plus_1) | |
| 191 | ba,pt %xcc, __restore_asi | |
| 192 | add %o2, 1, %o0 | |
| 193 | ENDPROC(NG2_retl_o2_plus_1) | |
| 194 | ENTRY(NG2_retl_o2_plus_4) | |
| 195 | ba,pt %xcc, __restore_asi | |
| 196 | add %o2, 4, %o0 | |
| 197 | ENDPROC(NG2_retl_o2_plus_4) | |
| 198 | ENTRY(NG2_retl_o2_plus_8) | |
| 199 | ba,pt %xcc, __restore_asi | |
| 200 | add %o2, 8, %o0 | |
| 201 | ENDPROC(NG2_retl_o2_plus_8) | |
| 202 | ENTRY(NG2_retl_o2_plus_o4_plus_1) | |
| 203 | add %o4, 1, %o4 | |
| 204 | ba,pt %xcc, __restore_asi | |
| 205 | add %o2, %o4, %o0 | |
| 206 | ENDPROC(NG2_retl_o2_plus_o4_plus_1) | |
| 207 | ENTRY(NG2_retl_o2_plus_o4_plus_8) | |
| 208 | add %o4, 8, %o4 | |
| 209 | ba,pt %xcc, __restore_asi | |
| 210 | add %o2, %o4, %o0 | |
| 211 | ENDPROC(NG2_retl_o2_plus_o4_plus_8) | |
| 212 | ENTRY(NG2_retl_o2_plus_o4_plus_16) | |
| 213 | add %o4, 16, %o4 | |
| 214 | ba,pt %xcc, __restore_asi | |
| 215 | add %o2, %o4, %o0 | |
| 216 | ENDPROC(NG2_retl_o2_plus_o4_plus_16) | |
| 217 | ENTRY(NG2_retl_o2_plus_g1_fp) | |
| 218 | ba,pt %xcc, __restore_fp | |
| 219 | add %o2, %g1, %o0 | |
| 220 | ENDPROC(NG2_retl_o2_plus_g1_fp) | |
| 221 | ENTRY(NG2_retl_o2_plus_g1_plus_64_fp) | |
| 222 | add %g1, 64, %g1 | |
| 223 | ba,pt %xcc, __restore_fp | |
| 224 | add %o2, %g1, %o0 | |
| 225 | ENDPROC(NG2_retl_o2_plus_g1_plus_64_fp) | |
| 226 | ENTRY(NG2_retl_o2_plus_g1_plus_1) | |
| 227 | add %g1, 1, %g1 | |
| 228 | ba,pt %xcc, __restore_asi | |
| 229 | add %o2, %g1, %o0 | |
| 230 | ENDPROC(NG2_retl_o2_plus_g1_plus_1) | |
| 231 | ENTRY(NG2_retl_o2_and_7_plus_o4) | |
| 232 | and %o2, 7, %o2 | |
| 233 | ba,pt %xcc, __restore_asi | |
| 234 | add %o2, %o4, %o0 | |
| 235 | ENDPROC(NG2_retl_o2_and_7_plus_o4) | |
| 236 | ENTRY(NG2_retl_o2_and_7_plus_o4_plus_8) | |
| 237 | and %o2, 7, %o2 | |
| 238 | add %o4, 8, %o4 | |
| 239 | ba,pt %xcc, __restore_asi | |
| 240 | add %o2, %o4, %o0 | |
| 241 | ENDPROC(NG2_retl_o2_and_7_plus_o4_plus_8) | |
| 242 | #endif | |
| 243 | ||
| cf5adce1 DM |
244 | .align 64 |
| 245 | ||
| 246 | .globl FUNC_NAME | |
| 247 | .type FUNC_NAME,#function | |
| 248 | FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ | |
| 249 | srlx %o2, 31, %g2 | |
| 250 | cmp %g2, 0 | |
| 251 | tne %xcc, 5 | |
| 252 | PREAMBLE | |
| 1b62ca7b | 253 | mov %o0, %o3 |
| cf5adce1 DM |
254 | cmp %o2, 0 |
| 255 | be,pn %XCC, 85f | |
| 1b62ca7b | 256 | or %o0, %o1, GLOBAL_SPARE |
| cf5adce1 DM |
257 | cmp %o2, 16 |
| 258 | blu,a,pn %XCC, 80f | |
| 1b62ca7b | 259 | or GLOBAL_SPARE, %o2, GLOBAL_SPARE |
| cf5adce1 DM |
260 | |
| 261 | /* 2 blocks (128 bytes) is the minimum we can do the block | |
| 262 | * copy with. We need to ensure that we'll iterate at least | |
| 263 | * once in the block copy loop. At worst we'll need to align | |
| 264 | * the destination to a 64-byte boundary which can chew up | |
| 265 | * to (64 - 1) bytes from the length before we perform the | |
| 266 | * block copy loop. | |
| 267 | * | |
| 268 | * However, the cut-off point, performance wise, is around | |
| 269 | * 4 64-byte blocks. | |
| 270 | */ | |
| 271 | cmp %o2, (4 * 64) | |
| 272 | blu,pt %XCC, 75f | |
| 1b62ca7b | 273 | andcc GLOBAL_SPARE, 0x7, %g0 |
| cf5adce1 DM |
274 | |
| 275 | /* %o0: dst | |
| 276 | * %o1: src | |
| 277 | * %o2: len (known to be >= 128) | |
| 278 | * | |
| 279 | * The block copy loops can use %o4, %g2, %g3 as | |
| 280 | * temporaries while copying the data. %o5 must | |
| 281 | * be preserved between VISEntryHalf and VISExitHalf | |
| 282 | */ | |
| 283 | ||
| 284 | LOAD(prefetch, %o1 + 0x000, #one_read) | |
| 285 | LOAD(prefetch, %o1 + 0x040, #one_read) | |
| 286 | LOAD(prefetch, %o1 + 0x080, #one_read) | |
| 287 | ||
| 288 | /* Align destination on 64-byte boundary. */ | |
| 289 | andcc %o0, (64 - 1), %o4 | |
| 290 | be,pt %XCC, 2f | |
| 291 | sub %o4, 64, %o4 | |
| 292 | sub %g0, %o4, %o4 ! bytes to align dst | |
| 293 | sub %o2, %o4, %o2 | |
| 294 | 1: subcc %o4, 1, %o4 | |
| e93704e4 DM |
295 | EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_o4_plus_1) |
| 296 | EX_ST(STORE(stb, %g1, %o0), NG2_retl_o2_plus_o4_plus_1) | |
| cf5adce1 DM |
297 | add %o1, 1, %o1 |
| 298 | bne,pt %XCC, 1b | |
| 299 | add %o0, 1, %o0 | |
| 300 | ||
| 301 | 2: | |
| 302 | /* Clobbers o5/g1/g2/g3/g7/icc/xcc. We must preserve | |
| 303 | * o5 from here until we hit VISExitHalf. | |
| 304 | */ | |
| 305 | VISEntryHalf | |
| 306 | ||
| 5aa4ecfd | 307 | membar #Sync |
| cf5adce1 DM |
308 | alignaddr %o1, %g0, %g0 |
| 309 | ||
| 310 | add %o1, (64 - 1), %o4 | |
| 311 | andn %o4, (64 - 1), %o4 | |
| 312 | andn %o2, (64 - 1), %g1 | |
| 313 | sub %o2, %g1, %o2 | |
| 314 | ||
| 315 | and %o1, (64 - 1), %g2 | |
| 316 | add %o1, %g1, %o1 | |
| 317 | sub %o0, %o4, %g3 | |
| 318 | brz,pt %g2, 190f | |
| 319 | cmp %g2, 32 | |
| 320 | blu,a 5f | |
| 321 | cmp %g2, 16 | |
| 322 | cmp %g2, 48 | |
| 323 | blu,a 4f | |
| 324 | cmp %g2, 40 | |
| 325 | cmp %g2, 56 | |
| 326 | blu 170f | |
| 327 | nop | |
| 328 | ba,a,pt %xcc, 180f | |
| 0ae2d26f | 329 | nop |
| cf5adce1 DM |
330 | |
| 331 | 4: /* 32 <= low bits < 48 */ | |
| 332 | blu 150f | |
| 333 | nop | |
| 334 | ba,a,pt %xcc, 160f | |
| 0ae2d26f | 335 | nop |
| cf5adce1 DM |
336 | 5: /* 0 < low bits < 32 */ |
| 337 | blu,a 6f | |
| 338 | cmp %g2, 8 | |
| 339 | cmp %g2, 24 | |
| 340 | blu 130f | |
| 341 | nop | |
| 342 | ba,a,pt %xcc, 140f | |
| 0ae2d26f | 343 | nop |
| cf5adce1 DM |
344 | 6: /* 0 < low bits < 16 */ |
| 345 | bgeu 120f | |
| 346 | nop | |
| 347 | /* fall through for 0 < low bits < 8 */ | |
| 348 | 110: sub %o4, 64, %g2 | |
| e93704e4 DM |
349 | EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_o2_plus_g1) |
| 350 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) | |
| 351 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 352 | FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16) |
| e93704e4 | 353 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
354 | FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30) |
| 355 | subcc %g1, 64, %g1 | |
| 356 | add %o4, 64, %o4 | |
| 357 | bne,pt %xcc, 1b | |
| 358 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 359 | ba,pt %xcc, 195f | |
| 360 | nop | |
| 361 | ||
| 362 | 120: sub %o4, 56, %g2 | |
| 363 | FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12) | |
| e93704e4 DM |
364 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| 365 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 366 | FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18) |
| e93704e4 | 367 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
368 | FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30) |
| 369 | subcc %g1, 64, %g1 | |
| 370 | add %o4, 64, %o4 | |
| 371 | bne,pt %xcc, 1b | |
| 372 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 373 | ba,pt %xcc, 195f | |
| 374 | nop | |
| 375 | ||
| 376 | 130: sub %o4, 48, %g2 | |
| 377 | FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10) | |
| e93704e4 DM |
378 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| 379 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 380 | FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20) |
| e93704e4 | 381 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
382 | FREG_MOVE_6(f20, f22, f24, f26, f28, f30) |
| 383 | subcc %g1, 64, %g1 | |
| 384 | add %o4, 64, %o4 | |
| 385 | bne,pt %xcc, 1b | |
| 386 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 387 | ba,pt %xcc, 195f | |
| 388 | nop | |
| 389 | ||
| 390 | 140: sub %o4, 40, %g2 | |
| 391 | FREG_LOAD_5(%g2, f0, f2, f4, f6, f8) | |
| e93704e4 DM |
392 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| 393 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 394 | FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22) |
| e93704e4 | 395 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
396 | FREG_MOVE_5(f22, f24, f26, f28, f30) |
| 397 | subcc %g1, 64, %g1 | |
| 398 | add %o4, 64, %o4 | |
| 399 | bne,pt %xcc, 1b | |
| 400 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 401 | ba,pt %xcc, 195f | |
| 402 | nop | |
| 403 | ||
| 404 | 150: sub %o4, 32, %g2 | |
| 405 | FREG_LOAD_4(%g2, f0, f2, f4, f6) | |
| e93704e4 DM |
406 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| 407 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 408 | FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24) |
| e93704e4 | 409 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
410 | FREG_MOVE_4(f24, f26, f28, f30) |
| 411 | subcc %g1, 64, %g1 | |
| 412 | add %o4, 64, %o4 | |
| 413 | bne,pt %xcc, 1b | |
| 414 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 415 | ba,pt %xcc, 195f | |
| 416 | nop | |
| 417 | ||
| 418 | 160: sub %o4, 24, %g2 | |
| 419 | FREG_LOAD_3(%g2, f0, f2, f4) | |
| e93704e4 DM |
420 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| 421 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 422 | FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26) |
| e93704e4 | 423 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
424 | FREG_MOVE_3(f26, f28, f30) |
| 425 | subcc %g1, 64, %g1 | |
| 426 | add %o4, 64, %o4 | |
| 427 | bne,pt %xcc, 1b | |
| 428 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 429 | ba,pt %xcc, 195f | |
| 430 | nop | |
| 431 | ||
| 432 | 170: sub %o4, 16, %g2 | |
| 433 | FREG_LOAD_2(%g2, f0, f2) | |
| e93704e4 DM |
434 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| 435 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 436 | FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28) |
| e93704e4 | 437 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
438 | FREG_MOVE_2(f28, f30) |
| 439 | subcc %g1, 64, %g1 | |
| 440 | add %o4, 64, %o4 | |
| 441 | bne,pt %xcc, 1b | |
| 442 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 443 | ba,pt %xcc, 195f | |
| 444 | nop | |
| 445 | ||
| 446 | 180: sub %o4, 8, %g2 | |
| 447 | FREG_LOAD_1(%g2, f0) | |
| e93704e4 DM |
448 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| 449 | EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) | |
| cf5adce1 | 450 | FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30) |
| e93704e4 | 451 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 DM |
452 | FREG_MOVE_1(f30) |
| 453 | subcc %g1, 64, %g1 | |
| 454 | add %o4, 64, %o4 | |
| 455 | bne,pt %xcc, 1b | |
| 456 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 457 | ba,pt %xcc, 195f | |
| 458 | nop | |
| 459 | ||
| 460 | 190: | |
| e93704e4 | 461 | 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) |
| cf5adce1 | 462 | subcc %g1, 64, %g1 |
| e93704e4 DM |
463 | EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_o2_plus_g1_plus_64) |
| 464 | EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1_plus_64) | |
| cf5adce1 DM |
465 | add %o4, 64, %o4 |
| 466 | bne,pt %xcc, 1b | |
| 467 | LOAD(prefetch, %o4 + 64, #one_read) | |
| 468 | ||
| 469 | 195: | |
| 470 | add %o4, %g3, %o0 | |
| 471 | membar #Sync | |
| 472 | ||
| 473 | VISExitHalf | |
| 474 | ||
| 475 | /* %o2 contains any final bytes still needed to be copied | |
| 476 | * over. If anything is left, we copy it one byte at a time. | |
| 477 | */ | |
| 478 | brz,pt %o2, 85f | |
| 1b62ca7b | 479 | sub %o0, %o1, GLOBAL_SPARE |
| cf5adce1 | 480 | ba,a,pt %XCC, 90f |
| 0ae2d26f | 481 | nop |
| cf5adce1 DM |
482 | |
| 483 | .align 64 | |
| 484 | 75: /* 16 < len <= 64 */ | |
| 485 | bne,pn %XCC, 75f | |
| 1b62ca7b | 486 | sub %o0, %o1, GLOBAL_SPARE |
| cf5adce1 DM |
487 | |
| 488 | 72: | |
| 489 | andn %o2, 0xf, %o4 | |
| 490 | and %o2, 0xf, %o2 | |
| 491 | 1: subcc %o4, 0x10, %o4 | |
| e93704e4 | 492 | EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_o4_plus_16) |
| cf5adce1 | 493 | add %o1, 0x08, %o1 |
| e93704e4 | 494 | EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2_plus_o4_plus_16) |
| cf5adce1 | 495 | sub %o1, 0x08, %o1 |
| e93704e4 | 496 | EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_16) |
| cf5adce1 | 497 | add %o1, 0x8, %o1 |
| e93704e4 | 498 | EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_8) |
| cf5adce1 DM |
499 | bgu,pt %XCC, 1b |
| 500 | add %o1, 0x8, %o1 | |
| 501 | 73: andcc %o2, 0x8, %g0 | |
| 502 | be,pt %XCC, 1f | |
| 503 | nop | |
| 504 | sub %o2, 0x8, %o2 | |
| e93704e4 DM |
505 | EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_8) |
| 506 | EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_8) | |
| cf5adce1 DM |
507 | add %o1, 0x8, %o1 |
| 508 | 1: andcc %o2, 0x4, %g0 | |
| 509 | be,pt %XCC, 1f | |
| 510 | nop | |
| 511 | sub %o2, 0x4, %o2 | |
| e93704e4 DM |
512 | EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o2_plus_4) |
| 513 | EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4) | |
| cf5adce1 DM |
514 | add %o1, 0x4, %o1 |
| 515 | 1: cmp %o2, 0 | |
| 516 | be,pt %XCC, 85f | |
| 517 | nop | |
| 518 | ba,pt %xcc, 90f | |
| 519 | nop | |
| 520 | ||
| 521 | 75: | |
| 522 | andcc %o0, 0x7, %g1 | |
| 523 | sub %g1, 0x8, %g1 | |
| 524 | be,pn %icc, 2f | |
| 525 | sub %g0, %g1, %g1 | |
| 526 | sub %o2, %g1, %o2 | |
| 527 | ||
| 528 | 1: subcc %g1, 1, %g1 | |
| e93704e4 DM |
529 | EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o2_plus_g1_plus_1) |
| 530 | EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_g1_plus_1) | |
| cf5adce1 DM |
531 | bgu,pt %icc, 1b |
| 532 | add %o1, 1, %o1 | |
| 533 | ||
| 1b62ca7b | 534 | 2: add %o1, GLOBAL_SPARE, %o0 |
| cf5adce1 DM |
535 | andcc %o1, 0x7, %g1 |
| 536 | bne,pt %icc, 8f | |
| 537 | sll %g1, 3, %g1 | |
| 538 | ||
| 539 | cmp %o2, 16 | |
| 540 | bgeu,pt %icc, 72b | |
| 541 | nop | |
| 542 | ba,a,pt %xcc, 73b | |
| 543 | ||
| 1b62ca7b | 544 | 8: mov 64, GLOBAL_SPARE |
| cf5adce1 | 545 | andn %o1, 0x7, %o1 |
| e93704e4 | 546 | EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2) |
| 1b62ca7b | 547 | sub GLOBAL_SPARE, %g1, GLOBAL_SPARE |
| cf5adce1 DM |
548 | andn %o2, 0x7, %o4 |
| 549 | sllx %g2, %g1, %g2 | |
| 550 | 1: add %o1, 0x8, %o1 | |
| e93704e4 | 551 | EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2_and_7_plus_o4) |
| cf5adce1 | 552 | subcc %o4, 0x8, %o4 |
| 1b62ca7b | 553 | srlx %g3, GLOBAL_SPARE, %o5 |
| cf5adce1 | 554 | or %o5, %g2, %o5 |
| e93704e4 | 555 | EX_ST(STORE(stx, %o5, %o0), NG2_retl_o2_and_7_plus_o4_plus_8) |
| cf5adce1 DM |
556 | add %o0, 0x8, %o0 |
| 557 | bgu,pt %icc, 1b | |
| 558 | sllx %g3, %g1, %g2 | |
| 559 | ||
| 560 | srl %g1, 3, %g1 | |
| 561 | andcc %o2, 0x7, %o2 | |
| 562 | be,pn %icc, 85f | |
| 563 | add %o1, %g1, %o1 | |
| 564 | ba,pt %xcc, 90f | |
| 1b62ca7b | 565 | sub %o0, %o1, GLOBAL_SPARE |
| cf5adce1 DM |
566 | |
| 567 | .align 64 | |
| 568 | 80: /* 0 < len <= 16 */ | |
| 1b62ca7b | 569 | andcc GLOBAL_SPARE, 0x3, %g0 |
| cf5adce1 | 570 | bne,pn %XCC, 90f |
| 1b62ca7b | 571 | sub %o0, %o1, GLOBAL_SPARE |
| cf5adce1 DM |
572 | |
| 573 | 1: | |
| 574 | subcc %o2, 4, %o2 | |
| e93704e4 DM |
575 | EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o2_plus_4) |
| 576 | EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4) | |
| cf5adce1 DM |
577 | bgu,pt %XCC, 1b |
| 578 | add %o1, 4, %o1 | |
| 579 | ||
| 580 | 85: retl | |
| 1b62ca7b | 581 | mov EX_RETVAL(%o3), %o0 |
| cf5adce1 DM |
582 | |
| 583 | .align 32 | |
| 584 | 90: | |
| 585 | subcc %o2, 1, %o2 | |
| e93704e4 DM |
586 | EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_1) |
| 587 | EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_1) | |
| cf5adce1 DM |
588 | bgu,pt %XCC, 90b |
| 589 | add %o1, 1, %o1 | |
| 590 | retl | |
| 1b62ca7b | 591 | mov EX_RETVAL(%o3), %o0 |
| cf5adce1 DM |
592 | |
| 593 | .size FUNC_NAME, .-FUNC_NAME |