linux/arch/sparc/lib/U1memcpy.S
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* U1memcpy.S: UltraSPARC-I/II/IIi/IIe optimized memcpy.
   3 *
   4 * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com)
   5 * Copyright (C) 1996, 1997, 1998, 1999 Jakub Jelinek (jj@ultra.linux.cz)
   6 */
   7
   8#ifdef __KERNEL__
   9#include <linux/linkage.h>
  10#include <asm/visasm.h>
  11#include <asm/asi.h>
  12#include <asm/export.h>
  13#define GLOBAL_SPARE    g7
  14#else
  15#define GLOBAL_SPARE    g5
  16#define ASI_BLK_P 0xf0
  17#define FPRS_FEF  0x04
  18#ifdef MEMCPY_DEBUG
  19#define VISEntry rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs; \
  20                 clr %g1; clr %g2; clr %g3; subcc %g0, %g0, %g0;
  21#define VISExit and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
  22#else
  23#define VISEntry rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs
  24#define VISExit and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
  25#endif
  26#endif
  27
  28#ifndef EX_LD
  29#define EX_LD(x,y)      x
  30#endif
  31#ifndef EX_LD_FP
  32#define EX_LD_FP(x,y)   x
  33#endif
  34
  35#ifndef EX_ST
  36#define EX_ST(x,y)      x
  37#endif
  38#ifndef EX_ST_FP
  39#define EX_ST_FP(x,y)   x
  40#endif
  41
  42#ifndef LOAD
  43#define LOAD(type,addr,dest)    type [addr], dest
  44#endif
  45
  46#ifndef LOAD_BLK
  47#define LOAD_BLK(addr,dest)     ldda [addr] ASI_BLK_P, dest
  48#endif
  49
  50#ifndef STORE
  51#define STORE(type,src,addr)    type src, [addr]
  52#endif
  53
  54#ifndef STORE_BLK
  55#define STORE_BLK(src,addr)     stda src, [addr] ASI_BLK_P
  56#endif
  57
  58#ifndef FUNC_NAME
  59#define FUNC_NAME       memcpy
  60#endif
  61
  62#ifndef PREAMBLE
  63#define PREAMBLE
  64#endif
  65
  66#ifndef XCC
  67#define XCC xcc
  68#endif
  69
  70#define FREG_FROB(f1, f2, f3, f4, f5, f6, f7, f8, f9)           \
  71        faligndata              %f1, %f2, %f48;                 \
  72        faligndata              %f2, %f3, %f50;                 \
  73        faligndata              %f3, %f4, %f52;                 \
  74        faligndata              %f4, %f5, %f54;                 \
  75        faligndata              %f5, %f6, %f56;                 \
  76        faligndata              %f6, %f7, %f58;                 \
  77        faligndata              %f7, %f8, %f60;                 \
  78        faligndata              %f8, %f9, %f62;
  79
  80#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, jmptgt)                 \
  81        EX_LD_FP(LOAD_BLK(%src, %fdest), U1_gs_80_fp);                  \
  82        EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_80_fp);                 \
  83        add                     %src, 0x40, %src;                       \
  84        subcc                   %GLOBAL_SPARE, 0x40, %GLOBAL_SPARE;     \
  85        be,pn                   %xcc, jmptgt;                           \
  86         add                    %dest, 0x40, %dest;                     \
  87
  88#define LOOP_CHUNK1(src, dest, branch_dest)             \
  89        MAIN_LOOP_CHUNK(src, dest, f0,  f48, branch_dest)
  90#define LOOP_CHUNK2(src, dest, branch_dest)             \
  91        MAIN_LOOP_CHUNK(src, dest, f16, f48, branch_dest)
  92#define LOOP_CHUNK3(src, dest, branch_dest)             \
  93        MAIN_LOOP_CHUNK(src, dest, f32, f48, branch_dest)
  94
  95#define DO_SYNC                 membar  #Sync;
  96#define STORE_SYNC(dest, fsrc)                          \
  97        EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_80_fp); \
  98        add                     %dest, 0x40, %dest;     \
  99        DO_SYNC
 100
 101#define STORE_JUMP(dest, fsrc, target)                  \
 102        EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_40_fp); \
 103        add                     %dest, 0x40, %dest;     \
 104        ba,pt                   %xcc, target;           \
 105         nop;
 106
 107#define FINISH_VISCHUNK(dest, f0, f1)                   \
 108        subcc                   %g3, 8, %g3;            \
 109        bl,pn                   %xcc, 95f;              \
 110         faligndata             %f0, %f1, %f48;         \
 111        EX_ST_FP(STORE(std, %f48, %dest), U1_g3_8_fp);  \
 112        add                     %dest, 8, %dest;
 113
 114#define UNEVEN_VISCHUNK_LAST(dest, f0, f1)      \
 115        subcc                   %g3, 8, %g3;    \
 116        bl,pn                   %xcc, 95f;      \
 117         fsrc2                  %f0, %f1;
 118
 119#define UNEVEN_VISCHUNK(dest, f0, f1)           \
 120        UNEVEN_VISCHUNK_LAST(dest, f0, f1)      \
 121        ba,a,pt                 %xcc, 93f;
 122
 123        .register       %g2,#scratch
 124        .register       %g3,#scratch
 125
 126        .text
 127#ifndef EX_RETVAL
 128#define EX_RETVAL(x)    x
 129ENTRY(U1_g1_1_fp)
 130        VISExitHalf
 131        add             %g1, 1, %g1
 132        add             %g1, %g2, %g1
 133        retl
 134         add            %g1, %o2, %o0
 135ENDPROC(U1_g1_1_fp)
 136ENTRY(U1_g2_0_fp)
 137        VISExitHalf
 138        retl
 139         add            %g2, %o2, %o0
 140ENDPROC(U1_g2_0_fp)
 141ENTRY(U1_g2_8_fp)
 142        VISExitHalf
 143        add             %g2, 8, %g2
 144        retl
 145         add            %g2, %o2, %o0
 146ENDPROC(U1_g2_8_fp)
 147ENTRY(U1_gs_0_fp)
 148        VISExitHalf
 149        add             %GLOBAL_SPARE, %g3, %o0
 150        retl
 151         add            %o0, %o2, %o0
 152ENDPROC(U1_gs_0_fp)
 153ENTRY(U1_gs_80_fp)
 154        VISExitHalf
 155        add             %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE
 156        add             %GLOBAL_SPARE, %g3, %o0
 157        retl
 158         add            %o0, %o2, %o0
 159ENDPROC(U1_gs_80_fp)
 160ENTRY(U1_gs_40_fp)
 161        VISExitHalf
 162        add             %GLOBAL_SPARE, 0x40, %GLOBAL_SPARE
 163        add             %GLOBAL_SPARE, %g3, %o0
 164        retl
 165         add            %o0, %o2, %o0
 166ENDPROC(U1_gs_40_fp)
 167ENTRY(U1_g3_0_fp)
 168        VISExitHalf
 169        retl
 170         add            %g3, %o2, %o0
 171ENDPROC(U1_g3_0_fp)
 172ENTRY(U1_g3_8_fp)
 173        VISExitHalf
 174        add             %g3, 8, %g3
 175        retl
 176         add            %g3, %o2, %o0
 177ENDPROC(U1_g3_8_fp)
 178ENTRY(U1_o2_0_fp)
 179        VISExitHalf
 180        retl
 181         mov            %o2, %o0
 182ENDPROC(U1_o2_0_fp)
 183ENTRY(U1_o2_1_fp)
 184        VISExitHalf
 185        retl
 186         add            %o2, 1, %o0
 187ENDPROC(U1_o2_1_fp)
 188ENTRY(U1_gs_0)
 189        VISExitHalf
 190        retl
 191         add            %GLOBAL_SPARE, %o2, %o0
 192ENDPROC(U1_gs_0)
 193ENTRY(U1_gs_8)
 194        VISExitHalf
 195        add             %GLOBAL_SPARE, %o2, %GLOBAL_SPARE
 196        retl
 197         add            %GLOBAL_SPARE, 0x8, %o0
 198ENDPROC(U1_gs_8)
 199ENTRY(U1_gs_10)
 200        VISExitHalf
 201        add             %GLOBAL_SPARE, %o2, %GLOBAL_SPARE
 202        retl
 203         add            %GLOBAL_SPARE, 0x10, %o0
 204ENDPROC(U1_gs_10)
 205ENTRY(U1_o2_0)
 206        retl
 207         mov            %o2, %o0
 208ENDPROC(U1_o2_0)
 209ENTRY(U1_o2_8)
 210        retl
 211         add            %o2, 8, %o0
 212ENDPROC(U1_o2_8)
 213ENTRY(U1_o2_4)
 214        retl
 215         add            %o2, 4, %o0
 216ENDPROC(U1_o2_4)
 217ENTRY(U1_o2_1)
 218        retl
 219         add            %o2, 1, %o0
 220ENDPROC(U1_o2_1)
 221ENTRY(U1_g1_0)
 222        retl
 223         add            %g1, %o2, %o0
 224ENDPROC(U1_g1_0)
 225ENTRY(U1_g1_1)
 226        add             %g1, 1, %g1
 227        retl
 228         add            %g1, %o2, %o0
 229ENDPROC(U1_g1_1)
 230ENTRY(U1_gs_0_o2_adj)
 231        and             %o2, 7, %o2
 232        retl
 233         add            %GLOBAL_SPARE, %o2, %o0
 234ENDPROC(U1_gs_0_o2_adj)
 235ENTRY(U1_gs_8_o2_adj)
 236        and             %o2, 7, %o2
 237        add             %GLOBAL_SPARE, 8, %GLOBAL_SPARE
 238        retl
 239         add            %GLOBAL_SPARE, %o2, %o0
 240ENDPROC(U1_gs_8_o2_adj)
 241#endif
 242
 243        .align          64
 244
 245        .globl          FUNC_NAME
 246        .type           FUNC_NAME,#function
 247FUNC_NAME:              /* %o0=dst, %o1=src, %o2=len */
 248        srlx            %o2, 31, %g2
 249        cmp             %g2, 0
 250        tne             %xcc, 5
 251        PREAMBLE
 252        mov             %o0, %o4
 253        cmp             %o2, 0
 254        be,pn           %XCC, 85f
 255         or             %o0, %o1, %o3
 256        cmp             %o2, 16
 257        blu,a,pn        %XCC, 80f
 258         or             %o3, %o2, %o3
 259
 260        cmp             %o2, (5 * 64)
 261        blu,pt          %XCC, 70f
 262         andcc          %o3, 0x7, %g0
 263
 264        /* Clobbers o5/g1/g2/g3/g7/icc/xcc.  */
 265        VISEntry
 266
 267        /* Is 'dst' already aligned on an 64-byte boundary? */
 268        andcc           %o0, 0x3f, %g2
 269        be,pt           %XCC, 2f
 270
 271        /* Compute abs((dst & 0x3f) - 0x40) into %g2.  This is the number
 272         * of bytes to copy to make 'dst' 64-byte aligned.  We pre-
 273         * subtract this from 'len'.
 274         */
 275         sub            %o0, %o1, %GLOBAL_SPARE
 276        sub             %g2, 0x40, %g2
 277        sub             %g0, %g2, %g2
 278        sub             %o2, %g2, %o2
 279        andcc           %g2, 0x7, %g1
 280        be,pt           %icc, 2f
 281         and            %g2, 0x38, %g2
 282
 2831:      subcc           %g1, 0x1, %g1
 284        EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3), U1_g1_1_fp)
 285        EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE), U1_g1_1_fp)
 286        bgu,pt          %XCC, 1b
 287         add            %o1, 0x1, %o1
 288
 289        add             %o1, %GLOBAL_SPARE, %o0
 290
 2912:      cmp             %g2, 0x0
 292        and             %o1, 0x7, %g1
 293        be,pt           %icc, 3f
 294         alignaddr      %o1, %g0, %o1
 295
 296        EX_LD_FP(LOAD(ldd, %o1, %f4), U1_g2_0_fp)
 2971:      EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6), U1_g2_0_fp)
 298        add             %o1, 0x8, %o1
 299        subcc           %g2, 0x8, %g2
 300        faligndata      %f4, %f6, %f0
 301        EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8_fp)
 302        be,pn           %icc, 3f
 303         add            %o0, 0x8, %o0
 304
 305        EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4), U1_g2_0_fp)
 306        add             %o1, 0x8, %o1
 307        subcc           %g2, 0x8, %g2
 308        faligndata      %f6, %f4, %f0
 309        EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8_fp)
 310        bne,pt          %icc, 1b
 311         add            %o0, 0x8, %o0
 312
 313        /* Destination is 64-byte aligned.  */
 3143:      
 315        membar            #LoadStore | #StoreStore | #StoreLoad
 316
 317        subcc           %o2, 0x40, %GLOBAL_SPARE
 318        add             %o1, %g1, %g1
 319        andncc          %GLOBAL_SPARE, (0x40 - 1), %GLOBAL_SPARE
 320        srl             %g1, 3, %g2
 321        sub             %o2, %GLOBAL_SPARE, %g3
 322        andn            %o1, (0x40 - 1), %o1
 323        and             %g2, 7, %g2
 324        andncc          %g3, 0x7, %g3
 325        fsrc2           %f0, %f2
 326        sub             %g3, 0x8, %g3
 327        sub             %o2, %GLOBAL_SPARE, %o2
 328
 329        add             %g1, %GLOBAL_SPARE, %g1
 330        subcc           %o2, %g3, %o2
 331
 332        EX_LD_FP(LOAD_BLK(%o1, %f0), U1_gs_0_fp)
 333        add             %o1, 0x40, %o1
 334        add             %g1, %g3, %g1
 335        EX_LD_FP(LOAD_BLK(%o1, %f16), U1_gs_0_fp)
 336        add             %o1, 0x40, %o1
 337        sub             %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE
 338        EX_LD_FP(LOAD_BLK(%o1, %f32), U1_gs_80_fp)
 339        add             %o1, 0x40, %o1
 340
 341        /* There are 8 instances of the unrolled loop,
 342         * one for each possible alignment of the
 343         * source buffer.  Each loop instance is 452
 344         * bytes.
 345         */
 346        sll             %g2, 3, %o3
 347        sub             %o3, %g2, %o3
 348        sllx            %o3, 4, %o3
 349        add             %o3, %g2, %o3
 350        sllx            %o3, 2, %g2
 3511:      rd              %pc, %o3
 352        add             %o3, %lo(1f - 1b), %o3
 353        jmpl            %o3 + %g2, %g0
 354         nop
 355
 356        .align          64
 3571:      FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16)
 358        LOOP_CHUNK1(o1, o0, 1f)
 359        FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
 360        LOOP_CHUNK2(o1, o0, 2f)
 361        FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)
 362        LOOP_CHUNK3(o1, o0, 3f)
 363        ba,pt           %xcc, 1b+4
 364         faligndata     %f0, %f2, %f48
 3651:      FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
 366        STORE_SYNC(o0, f48)
 367        FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)
 368        STORE_JUMP(o0, f48, 40f)
 3692:      FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)
 370        STORE_SYNC(o0, f48)
 371        FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16)
 372        STORE_JUMP(o0, f48, 48f)
 3733:      FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16)
 374        STORE_SYNC(o0, f48)
 375        FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
 376        STORE_JUMP(o0, f48, 56f)
 377
 3781:      FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18)
 379        LOOP_CHUNK1(o1, o0, 1f)
 380        FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
 381        LOOP_CHUNK2(o1, o0, 2f)
 382        FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)
 383        LOOP_CHUNK3(o1, o0, 3f)
 384        ba,pt           %xcc, 1b+4
 385         faligndata     %f2, %f4, %f48
 3861:      FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
 387        STORE_SYNC(o0, f48)
 388        FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)
 389        STORE_JUMP(o0, f48, 41f)
 3902:      FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)
 391        STORE_SYNC(o0, f48)
 392        FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18)
 393        STORE_JUMP(o0, f48, 49f)
 3943:      FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18)
 395        STORE_SYNC(o0, f48)
 396        FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
 397        STORE_JUMP(o0, f48, 57f)
 398
 3991:      FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20)
 400        LOOP_CHUNK1(o1, o0, 1f)
 401        FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
 402        LOOP_CHUNK2(o1, o0, 2f)
 403        FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)
 404        LOOP_CHUNK3(o1, o0, 3f)
 405        ba,pt           %xcc, 1b+4
 406         faligndata     %f4, %f6, %f48
 4071:      FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
 408        STORE_SYNC(o0, f48)
 409        FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)
 410        STORE_JUMP(o0, f48, 42f)
 4112:      FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)
 412        STORE_SYNC(o0, f48)
 413        FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20)
 414        STORE_JUMP(o0, f48, 50f)
 4153:      FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20)
 416        STORE_SYNC(o0, f48)
 417        FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
 418        STORE_JUMP(o0, f48, 58f)
 419
 4201:      FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22)
 421        LOOP_CHUNK1(o1, o0, 1f)
 422        FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
 423        LOOP_CHUNK2(o1, o0, 2f)
 424        FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) 
 425        LOOP_CHUNK3(o1, o0, 3f)
 426        ba,pt           %xcc, 1b+4
 427         faligndata     %f6, %f8, %f48
 4281:      FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
 429        STORE_SYNC(o0, f48)
 430        FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)
 431        STORE_JUMP(o0, f48, 43f)
 4322:      FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)
 433        STORE_SYNC(o0, f48)
 434        FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22)
 435        STORE_JUMP(o0, f48, 51f)
 4363:      FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22)
 437        STORE_SYNC(o0, f48)
 438        FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
 439        STORE_JUMP(o0, f48, 59f)
 440
 4411:      FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24)
 442        LOOP_CHUNK1(o1, o0, 1f)
 443        FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
 444        LOOP_CHUNK2(o1, o0, 2f)
 445        FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)
 446        LOOP_CHUNK3(o1, o0, 3f)
 447        ba,pt           %xcc, 1b+4
 448         faligndata     %f8, %f10, %f48
 4491:      FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
 450        STORE_SYNC(o0, f48)
 451        FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)
 452        STORE_JUMP(o0, f48, 44f)
 4532:      FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)
 454        STORE_SYNC(o0, f48)
 455        FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24)
 456        STORE_JUMP(o0, f48, 52f)
 4573:      FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24)
 458        STORE_SYNC(o0, f48)
 459        FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
 460        STORE_JUMP(o0, f48, 60f)
 461
 4621:      FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26)
 463        LOOP_CHUNK1(o1, o0, 1f)
 464        FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
 465        LOOP_CHUNK2(o1, o0, 2f)
 466        FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10)
 467        LOOP_CHUNK3(o1, o0, 3f)
 468        ba,pt           %xcc, 1b+4
 469         faligndata     %f10, %f12, %f48
 4701:      FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
 471        STORE_SYNC(o0, f48)
 472        FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10)
 473        STORE_JUMP(o0, f48, 45f)
 4742:      FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10)
 475        STORE_SYNC(o0, f48)
 476        FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26)
 477        STORE_JUMP(o0, f48, 53f)
 4783:      FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26)
 479        STORE_SYNC(o0, f48)
 480        FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
 481        STORE_JUMP(o0, f48, 61f)
 482
 4831:      FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28)
 484        LOOP_CHUNK1(o1, o0, 1f)
 485        FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
 486        LOOP_CHUNK2(o1, o0, 2f)
 487        FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12)
 488        LOOP_CHUNK3(o1, o0, 3f)
 489        ba,pt           %xcc, 1b+4
 490         faligndata     %f12, %f14, %f48
 4911:      FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
 492        STORE_SYNC(o0, f48)
 493        FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12)
 494        STORE_JUMP(o0, f48, 46f)
 4952:      FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12)
 496        STORE_SYNC(o0, f48)
 497        FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28)
 498        STORE_JUMP(o0, f48, 54f)
 4993:      FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28)
 500        STORE_SYNC(o0, f48)
 501        FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
 502        STORE_JUMP(o0, f48, 62f)
 503
 5041:      FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30)
 505        LOOP_CHUNK1(o1, o0, 1f)
 506        FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
 507        LOOP_CHUNK2(o1, o0, 2f)
 508        FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14)
 509        LOOP_CHUNK3(o1, o0, 3f)
 510        ba,pt           %xcc, 1b+4
 511         faligndata     %f14, %f16, %f48
 5121:      FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
 513        STORE_SYNC(o0, f48)
 514        FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14)
 515        STORE_JUMP(o0, f48, 47f)
 5162:      FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14)
 517        STORE_SYNC(o0, f48)
 518        FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30)
 519        STORE_JUMP(o0, f48, 55f)
 5203:      FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30)
 521        STORE_SYNC(o0, f48)
 522        FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
 523        STORE_JUMP(o0, f48, 63f)
 524
 52540:     FINISH_VISCHUNK(o0, f0,  f2)
 52641:     FINISH_VISCHUNK(o0, f2,  f4)
 52742:     FINISH_VISCHUNK(o0, f4,  f6)
 52843:     FINISH_VISCHUNK(o0, f6,  f8)
 52944:     FINISH_VISCHUNK(o0, f8,  f10)
 53045:     FINISH_VISCHUNK(o0, f10, f12)
 53146:     FINISH_VISCHUNK(o0, f12, f14)
 53247:     UNEVEN_VISCHUNK(o0, f14, f0)
 53348:     FINISH_VISCHUNK(o0, f16, f18)
 53449:     FINISH_VISCHUNK(o0, f18, f20)
 53550:     FINISH_VISCHUNK(o0, f20, f22)
 53651:     FINISH_VISCHUNK(o0, f22, f24)
 53752:     FINISH_VISCHUNK(o0, f24, f26)
 53853:     FINISH_VISCHUNK(o0, f26, f28)
 53954:     FINISH_VISCHUNK(o0, f28, f30)
 54055:     UNEVEN_VISCHUNK(o0, f30, f0)
 54156:     FINISH_VISCHUNK(o0, f32, f34)
 54257:     FINISH_VISCHUNK(o0, f34, f36)
 54358:     FINISH_VISCHUNK(o0, f36, f38)
 54459:     FINISH_VISCHUNK(o0, f38, f40)
 54560:     FINISH_VISCHUNK(o0, f40, f42)
 54661:     FINISH_VISCHUNK(o0, f42, f44)
 54762:     FINISH_VISCHUNK(o0, f44, f46)
 54863:     UNEVEN_VISCHUNK_LAST(o0, f46, f0)
 549
 55093:     EX_LD_FP(LOAD(ldd, %o1, %f2), U1_g3_0_fp)
 551        add             %o1, 8, %o1
 552        subcc           %g3, 8, %g3
 553        faligndata      %f0, %f2, %f8
 554        EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8_fp)
 555        bl,pn           %xcc, 95f
 556         add            %o0, 8, %o0
 557        EX_LD_FP(LOAD(ldd, %o1, %f0), U1_g3_0_fp)
 558        add             %o1, 8, %o1
 559        subcc           %g3, 8, %g3
 560        faligndata      %f2, %f0, %f8
 561        EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8_fp)
 562        bge,pt          %xcc, 93b
 563         add            %o0, 8, %o0
 564
 56595:     brz,pt          %o2, 2f
 566         mov            %g1, %o1
 567
 5681:      EX_LD_FP(LOAD(ldub, %o1, %o3), U1_o2_0_fp)
 569        add             %o1, 1, %o1
 570        subcc           %o2, 1, %o2
 571        EX_ST_FP(STORE(stb, %o3, %o0), U1_o2_1_fp)
 572        bne,pt          %xcc, 1b
 573         add            %o0, 1, %o0
 574
 5752:      membar          #StoreLoad | #StoreStore
 576        VISExit
 577        retl
 578         mov            EX_RETVAL(%o4), %o0
 579
 580        .align          64
 58170:     /* 16 < len <= (5 * 64) */
 582        bne,pn          %XCC, 75f
 583         sub            %o0, %o1, %o3
 584
 58572:     andn            %o2, 0xf, %GLOBAL_SPARE
 586        and             %o2, 0xf, %o2
 5871:      EX_LD(LOAD(ldx, %o1 + 0x00, %o5), U1_gs_0)
 588        EX_LD(LOAD(ldx, %o1 + 0x08, %g1), U1_gs_0)
 589        subcc           %GLOBAL_SPARE, 0x10, %GLOBAL_SPARE
 590        EX_ST(STORE(stx, %o5, %o1 + %o3), U1_gs_10)
 591        add             %o1, 0x8, %o1
 592        EX_ST(STORE(stx, %g1, %o1 + %o3), U1_gs_8)
 593        bgu,pt          %XCC, 1b
 594         add            %o1, 0x8, %o1
 59573:     andcc           %o2, 0x8, %g0
 596        be,pt           %XCC, 1f
 597         nop
 598        EX_LD(LOAD(ldx, %o1, %o5), U1_o2_0)
 599        sub             %o2, 0x8, %o2
 600        EX_ST(STORE(stx, %o5, %o1 + %o3), U1_o2_8)
 601        add             %o1, 0x8, %o1
 6021:      andcc           %o2, 0x4, %g0
 603        be,pt           %XCC, 1f
 604         nop
 605        EX_LD(LOAD(lduw, %o1, %o5), U1_o2_0)
 606        sub             %o2, 0x4, %o2
 607        EX_ST(STORE(stw, %o5, %o1 + %o3), U1_o2_4)
 608        add             %o1, 0x4, %o1
 6091:      cmp             %o2, 0
 610        be,pt           %XCC, 85f
 611         nop
 612        ba,pt           %xcc, 90f
 613         nop
 614
 61575:     andcc           %o0, 0x7, %g1
 616        sub             %g1, 0x8, %g1
 617        be,pn           %icc, 2f
 618         sub            %g0, %g1, %g1
 619        sub             %o2, %g1, %o2
 620
 6211:      EX_LD(LOAD(ldub, %o1, %o5), U1_g1_0)
 622        subcc           %g1, 1, %g1
 623        EX_ST(STORE(stb, %o5, %o1 + %o3), U1_g1_1)
 624        bgu,pt          %icc, 1b
 625         add            %o1, 1, %o1
 626
 6272:      add             %o1, %o3, %o0
 628        andcc           %o1, 0x7, %g1
 629        bne,pt          %icc, 8f
 630         sll            %g1, 3, %g1
 631
 632        cmp             %o2, 16
 633        bgeu,pt         %icc, 72b
 634         nop
 635        ba,a,pt         %xcc, 73b
 636
 6378:      mov             64, %o3
 638        andn            %o1, 0x7, %o1
 639        EX_LD(LOAD(ldx, %o1, %g2), U1_o2_0)
 640        sub             %o3, %g1, %o3
 641        andn            %o2, 0x7, %GLOBAL_SPARE
 642        sllx            %g2, %g1, %g2
 6431:      EX_LD(LOAD(ldx, %o1 + 0x8, %g3), U1_gs_0_o2_adj)
 644        subcc           %GLOBAL_SPARE, 0x8, %GLOBAL_SPARE
 645        add             %o1, 0x8, %o1
 646        srlx            %g3, %o3, %o5
 647        or              %o5, %g2, %o5
 648        EX_ST(STORE(stx, %o5, %o0), U1_gs_8_o2_adj)
 649        add             %o0, 0x8, %o0
 650        bgu,pt          %icc, 1b
 651         sllx           %g3, %g1, %g2
 652
 653        srl             %g1, 3, %g1
 654        andcc           %o2, 0x7, %o2
 655        be,pn           %icc, 85f
 656         add            %o1, %g1, %o1
 657        ba,pt           %xcc, 90f
 658         sub            %o0, %o1, %o3
 659
 660        .align          64
 66180:     /* 0 < len <= 16 */
 662        andcc           %o3, 0x3, %g0
 663        bne,pn          %XCC, 90f
 664         sub            %o0, %o1, %o3
 665
 6661:      EX_LD(LOAD(lduw, %o1, %g1), U1_o2_0)
 667        subcc           %o2, 4, %o2
 668        EX_ST(STORE(stw, %g1, %o1 + %o3), U1_o2_4)
 669        bgu,pt          %XCC, 1b
 670         add            %o1, 4, %o1
 671
 67285:     retl
 673         mov            EX_RETVAL(%o4), %o0
 674
 675        .align          32
 67690:     EX_LD(LOAD(ldub, %o1, %g1), U1_o2_0)
 677        subcc           %o2, 1, %o2
 678        EX_ST(STORE(stb, %g1, %o1 + %o3), U1_o2_1)
 679        bgu,pt          %XCC, 90b
 680         add            %o1, 1, %o1
 681        retl
 682         mov            EX_RETVAL(%o4), %o0
 683
 684        .size           FUNC_NAME, .-FUNC_NAME
 685EXPORT_SYMBOL(FUNC_NAME)
 686