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; 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 fmovd %x0, %f0; 98 #define FREG_MOVE_2(x0, x1) \ 94 #define FREG_MOVE_2(x0, x1) \ 99 fsrc2 %x0, %f0; \ !! 95 fmovd %x0, %f0; \ 100 fsrc2 %x1, %f2; !! 96 fmovd %x1, %f2; 101 #define FREG_MOVE_3(x0, x1, x2) \ 97 #define FREG_MOVE_3(x0, x1, x2) \ 102 fsrc2 %x0, %f0; \ !! 98 fmovd %x0, %f0; \ 103 fsrc2 %x1, %f2; \ !! 99 fmovd %x1, %f2; \ 104 fsrc2 %x2, %f4; !! 100 fmovd %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 fmovd %x0, %f0; \ 107 fsrc2 %x1, %f2; \ !! 103 fmovd %x1, %f2; \ 108 fsrc2 %x2, %f4; \ !! 104 fmovd %x2, %f4; \ 109 fsrc2 %x3, %f6; !! 105 fmovd %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 fmovd %x0, %f0; \ 112 fsrc2 %x1, %f2; \ !! 108 fmovd %x1, %f2; \ 113 fsrc2 %x2, %f4; \ !! 109 fmovd %x2, %f4; \ 114 fsrc2 %x3, %f6; \ !! 110 fmovd %x3, %f6; \ 115 fsrc2 %x4, %f8; !! 111 fmovd %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 fmovd %x0, %f0; \ 118 fsrc2 %x1, %f2; \ !! 114 fmovd %x1, %f2; \ 119 fsrc2 %x2, %f4; \ !! 115 fmovd %x2, %f4; \ 120 fsrc2 %x3, %f6; \ !! 116 fmovd %x3, %f6; \ 121 fsrc2 %x4, %f8; \ !! 117 fmovd %x4, %f8; \ 122 fsrc2 %x5, %f10; !! 118 fmovd %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 fmovd %x0, %f0; \ 125 fsrc2 %x1, %f2; \ !! 121 fmovd %x1, %f2; \ 126 fsrc2 %x2, %f4; \ !! 122 fmovd %x2, %f4; \ 127 fsrc2 %x3, %f6; \ !! 123 fmovd %x3, %f6; \ 128 fsrc2 %x4, %f8; \ !! 124 fmovd %x4, %f8; \ 129 fsrc2 %x5, %f10; \ !! 125 fmovd %x5, %f10; \ 130 fsrc2 %x6, %f12; !! 126 fmovd %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 fmovd %x0, %f0; \ 133 fsrc2 %x1, %f2; \ !! 129 fmovd %x1, %f2; \ 134 fsrc2 %x2, %f4; \ !! 130 fmovd %x2, %f4; \ 135 fsrc2 %x3, %f6; \ !! 131 fmovd %x3, %f6; \ 136 fsrc2 %x4, %f8; \ !! 132 fmovd %x4, %f8; \ 137 fsrc2 %x5, %f10; \ !! 133 fmovd %x5, %f10; \ 138 fsrc2 %x6, %f12; \ !! 134 fmovd %x6, %f12; \ 139 fsrc2 %x7, %f14; !! 135 fmovd %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, GLOBAL_SPARE 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, %o3 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 %o3, %o2, %o3 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 %o3, 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 << 309 alignaddr %o1, %g0, %g0 239 alignaddr %o1, %g0, %g0 310 240 311 add %o1, (64 - 1), %o4 241 add %o1, (64 - 1), %o4 312 andn %o4, (64 - 1), %o4 242 andn %o4, (64 - 1), %o4 313 andn %o2, (64 - 1), %g1 243 andn %o2, (64 - 1), %g1 314 sub %o2, %g1, %o2 244 sub %o2, %g1, %o2 315 245 316 and %o1, (64 - 1), %g2 246 and %o1, (64 - 1), %g2 317 add %o1, %g1, %o1 247 add %o1, %g1, %o1 318 sub %o0, %o4, %g3 248 sub %o0, %o4, %g3 319 brz,pt %g2, 190f 249 brz,pt %g2, 190f 320 cmp %g2, 32 250 cmp %g2, 32 321 blu,a 5f 251 blu,a 5f 322 cmp %g2, 16 252 cmp %g2, 16 323 cmp %g2, 48 253 cmp %g2, 48 324 blu,a 4f 254 blu,a 4f 325 cmp %g2, 40 255 cmp %g2, 40 326 cmp %g2, 56 256 cmp %g2, 56 327 blu 170f 257 blu 170f 328 nop 258 nop 329 ba,a,pt %xcc, 180f 259 ba,a,pt %xcc, 180f 330 nop << 331 260 332 4: /* 32 <= low bits < 48 */ 261 4: /* 32 <= low bits < 48 */ 333 blu 150f 262 blu 150f 334 nop 263 nop 335 ba,a,pt %xcc, 160f 264 ba,a,pt %xcc, 160f 336 nop << 337 5: /* 0 < low bits < 32 */ 265 5: /* 0 < low bits < 32 */ 338 blu,a 6f 266 blu,a 6f 339 cmp %g2, 8 267 cmp %g2, 8 340 cmp %g2, 24 268 cmp %g2, 24 341 blu 130f 269 blu 130f 342 nop 270 nop 343 ba,a,pt %xcc, 140f 271 ba,a,pt %xcc, 140f 344 nop << 345 6: /* 0 < low bits < 16 */ 272 6: /* 0 < low bits < 16 */ 346 bgeu 120f 273 bgeu 120f 347 nop 274 nop 348 /* fall through for 0 < low bits < 8 * 275 /* fall through for 0 < low bits < 8 */ 349 110: sub %o4, 64, %g2 276 110: sub %o4, 64, %g2 350 EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_ !! 277 EX_LD(LOAD_BLK(%g2, %f0)) 351 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 278 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 352 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 279 EX_LD(LOAD_BLK(%o4, %f16)) 353 FREG_FROB(f0, f2, f4, f6, f8, f10, f12 280 FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16) 354 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 281 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 355 FREG_MOVE_8(f16, f18, f20, f22, f24, f 282 FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30) 356 subcc %g1, 64, %g1 283 subcc %g1, 64, %g1 357 add %o4, 64, %o4 284 add %o4, 64, %o4 358 bne,pt %xcc, 1b 285 bne,pt %xcc, 1b 359 LOAD(prefetch, %o4 + 64, #one_read) 286 LOAD(prefetch, %o4 + 64, #one_read) 360 ba,pt %xcc, 195f 287 ba,pt %xcc, 195f 361 nop 288 nop 362 289 363 120: sub %o4, 56, %g2 290 120: sub %o4, 56, %g2 364 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f 291 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12) 365 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 292 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 366 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 293 EX_LD(LOAD_BLK(%o4, %f16)) 367 FREG_FROB(f0, f2, f4, f6, f8, f10, f12 294 FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18) 368 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 295 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 369 FREG_MOVE_7(f18, f20, f22, f24, f26, f 296 FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30) 370 subcc %g1, 64, %g1 297 subcc %g1, 64, %g1 371 add %o4, 64, %o4 298 add %o4, 64, %o4 372 bne,pt %xcc, 1b 299 bne,pt %xcc, 1b 373 LOAD(prefetch, %o4 + 64, #one_read) 300 LOAD(prefetch, %o4 + 64, #one_read) 374 ba,pt %xcc, 195f 301 ba,pt %xcc, 195f 375 nop 302 nop 376 303 377 130: sub %o4, 48, %g2 304 130: sub %o4, 48, %g2 378 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f 305 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10) 379 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 306 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 380 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 307 EX_LD(LOAD_BLK(%o4, %f16)) 381 FREG_FROB(f0, f2, f4, f6, f8, f10, f16 308 FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20) 382 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 309 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 383 FREG_MOVE_6(f20, f22, f24, f26, f28, f 310 FREG_MOVE_6(f20, f22, f24, f26, f28, f30) 384 subcc %g1, 64, %g1 311 subcc %g1, 64, %g1 385 add %o4, 64, %o4 312 add %o4, 64, %o4 386 bne,pt %xcc, 1b 313 bne,pt %xcc, 1b 387 LOAD(prefetch, %o4 + 64, #one_read) 314 LOAD(prefetch, %o4 + 64, #one_read) 388 ba,pt %xcc, 195f 315 ba,pt %xcc, 195f 389 nop 316 nop 390 317 391 140: sub %o4, 40, %g2 318 140: sub %o4, 40, %g2 392 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8) 319 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8) 393 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 320 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 394 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 321 EX_LD(LOAD_BLK(%o4, %f16)) 395 FREG_FROB(f0, f2, f4, f6, f8, f16, f18 322 FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22) 396 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 323 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 397 FREG_MOVE_5(f22, f24, f26, f28, f30) 324 FREG_MOVE_5(f22, f24, f26, f28, f30) 398 subcc %g1, 64, %g1 325 subcc %g1, 64, %g1 399 add %o4, 64, %o4 326 add %o4, 64, %o4 400 bne,pt %xcc, 1b 327 bne,pt %xcc, 1b 401 LOAD(prefetch, %o4 + 64, #one_read) 328 LOAD(prefetch, %o4 + 64, #one_read) 402 ba,pt %xcc, 195f 329 ba,pt %xcc, 195f 403 nop 330 nop 404 331 405 150: sub %o4, 32, %g2 332 150: sub %o4, 32, %g2 406 FREG_LOAD_4(%g2, f0, f2, f4, f6) 333 FREG_LOAD_4(%g2, f0, f2, f4, f6) 407 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 334 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 408 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 335 EX_LD(LOAD_BLK(%o4, %f16)) 409 FREG_FROB(f0, f2, f4, f6, f16, f18, f2 336 FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24) 410 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 337 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 411 FREG_MOVE_4(f24, f26, f28, f30) 338 FREG_MOVE_4(f24, f26, f28, f30) 412 subcc %g1, 64, %g1 339 subcc %g1, 64, %g1 413 add %o4, 64, %o4 340 add %o4, 64, %o4 414 bne,pt %xcc, 1b 341 bne,pt %xcc, 1b 415 LOAD(prefetch, %o4 + 64, #one_read) 342 LOAD(prefetch, %o4 + 64, #one_read) 416 ba,pt %xcc, 195f 343 ba,pt %xcc, 195f 417 nop 344 nop 418 345 419 160: sub %o4, 24, %g2 346 160: sub %o4, 24, %g2 420 FREG_LOAD_3(%g2, f0, f2, f4) 347 FREG_LOAD_3(%g2, f0, f2, f4) 421 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 348 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 422 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 349 EX_LD(LOAD_BLK(%o4, %f16)) 423 FREG_FROB(f0, f2, f4, f16, f18, f20, f 350 FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26) 424 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 351 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 425 FREG_MOVE_3(f26, f28, f30) 352 FREG_MOVE_3(f26, f28, f30) 426 subcc %g1, 64, %g1 353 subcc %g1, 64, %g1 427 add %o4, 64, %o4 354 add %o4, 64, %o4 428 bne,pt %xcc, 1b 355 bne,pt %xcc, 1b 429 LOAD(prefetch, %o4 + 64, #one_read) 356 LOAD(prefetch, %o4 + 64, #one_read) 430 ba,pt %xcc, 195f 357 ba,pt %xcc, 195f 431 nop 358 nop 432 359 433 170: sub %o4, 16, %g2 360 170: sub %o4, 16, %g2 434 FREG_LOAD_2(%g2, f0, f2) 361 FREG_LOAD_2(%g2, f0, f2) 435 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 362 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 436 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 363 EX_LD(LOAD_BLK(%o4, %f16)) 437 FREG_FROB(f0, f2, f16, f18, f20, f22, 364 FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28) 438 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 365 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 439 FREG_MOVE_2(f28, f30) 366 FREG_MOVE_2(f28, f30) 440 subcc %g1, 64, %g1 367 subcc %g1, 64, %g1 441 add %o4, 64, %o4 368 add %o4, 64, %o4 442 bne,pt %xcc, 1b 369 bne,pt %xcc, 1b 443 LOAD(prefetch, %o4 + 64, #one_read) 370 LOAD(prefetch, %o4 + 64, #one_read) 444 ba,pt %xcc, 195f 371 ba,pt %xcc, 195f 445 nop 372 nop 446 373 447 180: sub %o4, 8, %g2 374 180: sub %o4, 8, %g2 448 FREG_LOAD_1(%g2, f0) 375 FREG_LOAD_1(%g2, f0) 449 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 376 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 450 EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl !! 377 EX_LD(LOAD_BLK(%o4, %f16)) 451 FREG_FROB(f0, f16, f18, f20, f22, f24, 378 FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30) 452 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 379 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 453 FREG_MOVE_1(f30) 380 FREG_MOVE_1(f30) 454 subcc %g1, 64, %g1 381 subcc %g1, 64, %g1 455 add %o4, 64, %o4 382 add %o4, 64, %o4 456 bne,pt %xcc, 1b 383 bne,pt %xcc, 1b 457 LOAD(prefetch, %o4 + 64, #one_read) 384 LOAD(prefetch, %o4 + 64, #one_read) 458 ba,pt %xcc, 195f 385 ba,pt %xcc, 195f 459 nop 386 nop 460 387 461 190: 388 190: 462 1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), N !! 389 1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) 463 subcc %g1, 64, %g1 390 subcc %g1, 64, %g1 464 EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_ !! 391 EX_LD(LOAD_BLK(%o4, %f0)) 465 EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG !! 392 EX_ST(STORE_BLK(%f0, %o4 + %g3)) 466 add %o4, 64, %o4 393 add %o4, 64, %o4 467 bne,pt %xcc, 1b 394 bne,pt %xcc, 1b 468 LOAD(prefetch, %o4 + 64, #one_read) 395 LOAD(prefetch, %o4 + 64, #one_read) 469 396 470 195: 397 195: 471 add %o4, %g3, %o0 398 add %o4, %g3, %o0 472 membar #Sync 399 membar #Sync 473 400 474 VISExitHalf 401 VISExitHalf 475 402 476 /* %o2 contains any final bytes still 403 /* %o2 contains any final bytes still needed to be copied 477 * over. If anything is left, we copy 404 * over. If anything is left, we copy it one byte at a time. 478 */ 405 */ 479 brz,pt %o2, 85f 406 brz,pt %o2, 85f 480 sub %o0, %o1, GLOBAL_SPARE !! 407 sub %o0, %o1, %o3 481 ba,a,pt %XCC, 90f 408 ba,a,pt %XCC, 90f 482 nop << 483 409 484 .align 64 410 .align 64 485 75: /* 16 < len <= 64 */ 411 75: /* 16 < len <= 64 */ 486 bne,pn %XCC, 75f 412 bne,pn %XCC, 75f 487 sub %o0, %o1, GLOBAL_SPARE !! 413 sub %o0, %o1, %o3 488 414 489 72: 415 72: 490 andn %o2, 0xf, %o4 416 andn %o2, 0xf, %o4 491 and %o2, 0xf, %o2 417 and %o2, 0xf, %o2 492 1: subcc %o4, 0x10, %o4 418 1: subcc %o4, 0x10, %o4 493 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2 !! 419 EX_LD(LOAD(ldx, %o1, %o5)) 494 add %o1, 0x08, %o1 420 add %o1, 0x08, %o1 495 EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2 !! 421 EX_LD(LOAD(ldx, %o1, %g1)) 496 sub %o1, 0x08, %o1 422 sub %o1, 0x08, %o1 497 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPA !! 423 EX_ST(STORE(stx, %o5, %o1 + %o3)) 498 add %o1, 0x8, %o1 424 add %o1, 0x8, %o1 499 EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPA !! 425 EX_ST(STORE(stx, %g1, %o1 + %o3)) 500 bgu,pt %XCC, 1b 426 bgu,pt %XCC, 1b 501 add %o1, 0x8, %o1 427 add %o1, 0x8, %o1 502 73: andcc %o2, 0x8, %g0 428 73: andcc %o2, 0x8, %g0 503 be,pt %XCC, 1f 429 be,pt %XCC, 1f 504 nop 430 nop 505 sub %o2, 0x8, %o2 431 sub %o2, 0x8, %o2 506 EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2 !! 432 EX_LD(LOAD(ldx, %o1, %o5)) 507 EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPA !! 433 EX_ST(STORE(stx, %o5, %o1 + %o3)) 508 add %o1, 0x8, %o1 434 add %o1, 0x8, %o1 509 1: andcc %o2, 0x4, %g0 435 1: andcc %o2, 0x4, %g0 510 be,pt %XCC, 1f 436 be,pt %XCC, 1f 511 nop 437 nop 512 sub %o2, 0x4, %o2 438 sub %o2, 0x4, %o2 513 EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o !! 439 EX_LD(LOAD(lduw, %o1, %o5)) 514 EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPA !! 440 EX_ST(STORE(stw, %o5, %o1 + %o3)) 515 add %o1, 0x4, %o1 441 add %o1, 0x4, %o1 516 1: cmp %o2, 0 442 1: cmp %o2, 0 517 be,pt %XCC, 85f 443 be,pt %XCC, 85f 518 nop 444 nop 519 ba,pt %xcc, 90f 445 ba,pt %xcc, 90f 520 nop 446 nop 521 447 522 75: 448 75: 523 andcc %o0, 0x7, %g1 449 andcc %o0, 0x7, %g1 524 sub %g1, 0x8, %g1 450 sub %g1, 0x8, %g1 525 be,pn %icc, 2f 451 be,pn %icc, 2f 526 sub %g0, %g1, %g1 452 sub %g0, %g1, %g1 527 sub %o2, %g1, %o2 453 sub %o2, %g1, %o2 528 454 529 1: subcc %g1, 1, %g1 455 1: subcc %g1, 1, %g1 530 EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o !! 456 EX_LD(LOAD(ldub, %o1, %o5)) 531 EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPA !! 457 EX_ST(STORE(stb, %o5, %o1 + %o3)) 532 bgu,pt %icc, 1b 458 bgu,pt %icc, 1b 533 add %o1, 1, %o1 459 add %o1, 1, %o1 534 460 535 2: add %o1, GLOBAL_SPARE, %o0 !! 461 2: add %o1, %o3, %o0 536 andcc %o1, 0x7, %g1 462 andcc %o1, 0x7, %g1 537 bne,pt %icc, 8f 463 bne,pt %icc, 8f 538 sll %g1, 3, %g1 464 sll %g1, 3, %g1 539 465 540 cmp %o2, 16 466 cmp %o2, 16 541 bgeu,pt %icc, 72b 467 bgeu,pt %icc, 72b 542 nop 468 nop 543 ba,a,pt %xcc, 73b 469 ba,a,pt %xcc, 73b 544 470 545 8: mov 64, GLOBAL_SPARE !! 471 8: mov 64, %o3 546 andn %o1, 0x7, %o1 472 andn %o1, 0x7, %o1 547 EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2 !! 473 EX_LD(LOAD(ldx, %o1, %g2)) 548 sub GLOBAL_SPARE, %g1, GLO !! 474 sub %o3, %g1, %o3 549 andn %o2, 0x7, %o4 475 andn %o2, 0x7, %o4 550 sllx %g2, %g1, %g2 476 sllx %g2, %g1, %g2 551 1: add %o1, 0x8, %o1 477 1: add %o1, 0x8, %o1 552 EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2 !! 478 EX_LD(LOAD(ldx, %o1, %g3)) 553 subcc %o4, 0x8, %o4 479 subcc %o4, 0x8, %o4 554 srlx %g3, GLOBAL_SPARE, %o5 !! 480 srlx %g3, %o3, %o5 555 or %o5, %g2, %o5 481 or %o5, %g2, %o5 556 EX_ST(STORE(stx, %o5, %o0), NG2_retl_o !! 482 EX_ST(STORE(stx, %o5, %o0)) 557 add %o0, 0x8, %o0 483 add %o0, 0x8, %o0 558 bgu,pt %icc, 1b 484 bgu,pt %icc, 1b 559 sllx %g3, %g1, %g2 485 sllx %g3, %g1, %g2 560 486 561 srl %g1, 3, %g1 487 srl %g1, 3, %g1 562 andcc %o2, 0x7, %o2 488 andcc %o2, 0x7, %o2 563 be,pn %icc, 85f 489 be,pn %icc, 85f 564 add %o1, %g1, %o1 490 add %o1, %g1, %o1 565 ba,pt %xcc, 90f 491 ba,pt %xcc, 90f 566 sub %o0, %o1, GLOBAL_SPARE !! 492 sub %o0, %o1, %o3 567 493 568 .align 64 494 .align 64 569 80: /* 0 < len <= 16 */ 495 80: /* 0 < len <= 16 */ 570 andcc GLOBAL_SPARE, 0x3, %g0 !! 496 andcc %o3, 0x3, %g0 571 bne,pn %XCC, 90f 497 bne,pn %XCC, 90f 572 sub %o0, %o1, GLOBAL_SPARE !! 498 sub %o0, %o1, %o3 573 499 574 1: 500 1: 575 subcc %o2, 4, %o2 501 subcc %o2, 4, %o2 576 EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o !! 502 EX_LD(LOAD(lduw, %o1, %g1)) 577 EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPA !! 503 EX_ST(STORE(stw, %g1, %o1 + %o3)) 578 bgu,pt %XCC, 1b 504 bgu,pt %XCC, 1b 579 add %o1, 4, %o1 505 add %o1, 4, %o1 580 506 581 85: retl 507 85: retl 582 mov EX_RETVAL(%o3), %o0 !! 508 mov EX_RETVAL(GLOBAL_SPARE), %o0 583 509 584 .align 32 510 .align 32 585 90: 511 90: 586 subcc %o2, 1, %o2 512 subcc %o2, 1, %o2 587 EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o !! 513 EX_LD(LOAD(ldub, %o1, %g1)) 588 EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPA !! 514 EX_ST(STORE(stb, %g1, %o1 + %o3)) 589 bgu,pt %XCC, 90b 515 bgu,pt %XCC, 90b 590 add %o1, 1, %o1 516 add %o1, 1, %o1 591 retl 517 retl 592 mov EX_RETVAL(%o3), %o0 !! 518 mov EX_RETVAL(GLOBAL_SPARE), %o0 593 519 594 .size FUNC_NAME, .-FUNC_NAME 520 .size FUNC_NAME, .-FUNC_NAME
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