URL https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [sparc64/] [lib/] [VIScopy.S] - Rev 1781

Go to most recent revision | Compare with Previous | Blame | View Log
/* $Id: VIScopy.S,v 1.1.1.1 2004-04-15 01:33:51 phoenix Exp $
 * VIScopy.S: High speed copy operations utilizing the UltraSparc
 *            Visual Instruction Set.
 *
 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
 * Copyright (C) 1996, 1997, 1998, 1999 Jakub Jelinek (jj@ultra.linux.cz)
 */

#include "VIS.h"

        /* VIS code can be used for numerous copy/set operation variants.
         * It can be made to work in the kernel, one single instance,
         * for all of memcpy, copy_to_user, and copy_from_user by setting
         * the ASI src/dest globals correctly.  Furthermore it can
         * be used for kernel-->kernel page copies as well, a hook label
         * is put in here just for this purpose.
         *
         * For userland, compiling this without __KERNEL__ defined makes
         * it work just fine as a generic libc bcopy and memcpy.
         * If for userland it is compiled with a 32bit gcc (but you need
         * -Wa,-Av9a for as), the code will just rely on lower 32bits of
         * IEU registers, if you compile it with 64bit gcc (ie. define
         * __sparc_v9__), the code will use full 64bit.
         */
         
#ifdef __KERNEL__

#include <asm/visasm.h>
#include <asm/asm_offsets.h>

#define FPU_CLEAN_RETL                                                          \
        ldub            [%g6 + AOFF_task_thread + AOFF_thread_current_ds], %o1; \
        VISExit                                                                 \
        clr             %o0;                                                    \
        retl;                                                                   \
         wr             %o1, %g0, %asi;
#define FPU_RETL                                                                \
        ldub            [%g6 + AOFF_task_thread + AOFF_thread_current_ds], %o1; \
        VISExit                                                                 \
        clr             %o0;                                                    \
        retl;                                                                   \
         wr             %o1, %g0, %asi;
#define NORMAL_RETL                                                             \
        ldub            [%g6 + AOFF_task_thread + AOFF_thread_current_ds], %o1; \
        clr             %o0;                                                    \
        retl;                                                                   \
         wr             %o1, %g0, %asi;
#define EX(x,y,a,b)                             \
98:     x,y;                                    \
        .section .fixup;                        \
        .align  4;                              \
99:     ba      VIScopyfixup_ret;               \
         a, b, %o1;                             \
        .section __ex_table;                    \
        .align  4;                              \
        .word   98b, 99b;                       \
        .text;                                  \
        .align  4;
#define EX2(x,y,c,d,e,a,b)                      \
98:     x,y;                                    \
        .section .fixup;                        \
        .align  4;                              \
99:     c, d, e;                                \
        ba      VIScopyfixup_ret;               \
         a, b, %o1;                             \
        .section __ex_table;                    \
        .align  4;                              \
        .word   98b, 99b;                       \
        .text;                                  \
        .align  4;
#define EXO2(x,y)                               \
98:     x,y;                                    \
        .section __ex_table;                    \
        .align  4;                              \
        .word   98b, VIScopyfixup_reto2;        \
        .text;                                  \
        .align  4;
#define EXVISN(x,y,n)                           \
98:     x,y;                                    \
        .section __ex_table;                    \
        .align  4;                              \
        .word   98b, VIScopyfixup_vis##n;       \
        .text;                                  \
        .align  4;
#define EXT(start,end,handler)                  \
        .section __ex_table;                    \
        .align  4;                              \
        .word   start, 0, end, handler;         \
        .text;                                  \
        .align  4;
#else
#ifdef REGS_64BIT
#define FPU_CLEAN_RETL                          \
        retl;                                   \
         mov    %g6, %o0;
#define FPU_RETL                                \
        retl;                                   \
         mov    %g6, %o0;
#else
#define FPU_CLEAN_RETL                          \
        wr      %g0, FPRS_FEF, %fprs;           \
        retl;                                   \
         mov    %g6, %o0;
#define FPU_RETL                                \
        wr      %g0, FPRS_FEF, %fprs;           \
        retl;                                   \
         mov    %g6, %o0;
#endif
#define NORMAL_RETL     \
        retl;           \
         mov    %g6, %o0;
#define EX(x,y,a,b)             x,y
#define EX2(x,y,c,d,e,a,b)      x,y
#define EXO2(x,y)               x,y
#define EXVISN(x,y,n)           x,y
#define EXT(a,b,c)
#endif
#define EXVIS(x,y) EXVISN(x,y,0)
#define EXVIS1(x,y) EXVISN(x,y,1)
#define EXVIS2(x,y) EXVISN(x,y,2)
#define EXVIS3(x,y) EXVISN(x,y,3)
#define EXVIS4(x,y) EXVISN(x,y,4)

#define FREG_FROB(f1, f2, f3, f4, f5, f6, f7, f8, f9)           \
        faligndata              %f1, %f2, %f48;                 \
        faligndata              %f2, %f3, %f50;                 \
        faligndata              %f3, %f4, %f52;                 \
        faligndata              %f4, %f5, %f54;                 \
        faligndata              %f5, %f6, %f56;                 \
        faligndata              %f6, %f7, %f58;                 \
        faligndata              %f7, %f8, %f60;                 \
        faligndata              %f8, %f9, %f62;

#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt)    \
        EXVIS(LDBLK             [%src] ASIBLK, %fdest);         \
        ASI_SETDST_BLK                                          \
        EXVIS(STBLK             %fsrc, [%dest] ASIBLK);         \
        add                     %src, 0x40, %src;               \
        subcc                   %len, 0x40, %len;               \
        be,pn                   %xcc, jmptgt;                   \
         add                    %dest, 0x40, %dest;             \
        ASI_SETSRC_BLK

#define LOOP_CHUNK1(src, dest, len, branch_dest)                \
        MAIN_LOOP_CHUNK(src, dest, f0,  f48, len, branch_dest)
#define LOOP_CHUNK2(src, dest, len, branch_dest)                \
        MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest)
#define LOOP_CHUNK3(src, dest, len, branch_dest)                \
        MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest)

#define STORE_SYNC(dest, fsrc)                                  \
        EXVIS(STBLK             %fsrc, [%dest] ASIBLK);         \
        add                     %dest, 0x40, %dest;

#ifdef __KERNEL__
#define STORE_JUMP(dest, fsrc, target)                          \
        srl                     asi_dest, 3, %g5;               \
        EXVIS2(STBLK            %fsrc, [%dest] ASIBLK);         \
        xor                    asi_dest, ASI_BLK_XOR1, asi_dest;\
        add                     %dest, 0x40, %dest;             \
        xor                     asi_dest, %g5, asi_dest;        \
        ba,pt                   %xcc, target;
#else
#define STORE_JUMP(dest, fsrc, target)                          \
        EXVIS2(STBLK            %fsrc, [%dest] ASIBLK);         \
        add                     %dest, 0x40, %dest;             \
        ba,pt                   %xcc, target;
#endif

#ifndef __KERNEL__
#define VISLOOP_PAD nop; nop; nop; nop; \
                    nop; nop; nop; nop; \
                    nop; nop; nop; nop; \
                    nop; nop; nop;
#else
#define VISLOOP_PAD
#endif

#define FINISH_VISCHUNK(dest, f0, f1, left)                     \
        ASI_SETDST_NOBLK                                        \
        subcc                   %left, 8, %left;                \
        bl,pn                   %xcc, vis_out;                  \
         faligndata             %f0, %f1, %f48;                 \
        EXVIS3(STDF             %f48, [%dest] ASINORMAL);       \
        add                     %dest, 8, %dest;

#define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left)                \
        subcc                   %left, 8, %left;                \
        bl,pn                   %xcc, vis_out;                  \
         fsrc1                  %f0, %f1;
#define UNEVEN_VISCHUNK(dest, f0, f1, left)                     \
        UNEVEN_VISCHUNK_LAST(dest, f0, f1, left)                \
        ba,a,pt                 %xcc, vis_out_slk;

        /* Macros for non-VIS memcpy code. */
#ifdef REGS_64BIT

#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3)                 \
        ASI_SETSRC_NOBLK                                                \
        LDX                     [%src + offset + 0x00] ASINORMAL, %t0;  \
        LDX                     [%src + offset + 0x08] ASINORMAL, %t1;  \
        LDX                     [%src + offset + 0x10] ASINORMAL, %t2;  \
        LDX                     [%src + offset + 0x18] ASINORMAL, %t3;  \
        ASI_SETDST_NOBLK                                                \
        STW                     %t0, [%dst + offset + 0x04] ASINORMAL;  \
        srlx                    %t0, 32, %t0;                           \
        STW                     %t0, [%dst + offset + 0x00] ASINORMAL;  \
        STW                     %t1, [%dst + offset + 0x0c] ASINORMAL;  \
        srlx                    %t1, 32, %t1;                           \
        STW                     %t1, [%dst + offset + 0x08] ASINORMAL;  \
        STW                     %t2, [%dst + offset + 0x14] ASINORMAL;  \
        srlx                    %t2, 32, %t2;                           \
        STW                     %t2, [%dst + offset + 0x10] ASINORMAL;  \
        STW                     %t3, [%dst + offset + 0x1c] ASINORMAL;  \
        srlx                    %t3, 32, %t3;                           \
        STW                     %t3, [%dst + offset + 0x18] ASINORMAL;

#define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3)            \
        ASI_SETSRC_NOBLK                                                \
        LDX                     [%src + offset + 0x00] ASINORMAL, %t0;  \
        LDX                     [%src + offset + 0x08] ASINORMAL, %t1;  \
        LDX                     [%src + offset + 0x10] ASINORMAL, %t2;  \
        LDX                     [%src + offset + 0x18] ASINORMAL, %t3;  \
        ASI_SETDST_NOBLK                                                \
        STX                     %t0, [%dst + offset + 0x00] ASINORMAL;  \
        STX                     %t1, [%dst + offset + 0x08] ASINORMAL;  \
        STX                     %t2, [%dst + offset + 0x10] ASINORMAL;  \
        STX                     %t3, [%dst + offset + 0x18] ASINORMAL;  \
        ASI_SETSRC_NOBLK                                                \
        LDX                     [%src + offset + 0x20] ASINORMAL, %t0;  \
        LDX                     [%src + offset + 0x28] ASINORMAL, %t1;  \
        LDX                     [%src + offset + 0x30] ASINORMAL, %t2;  \
        LDX                     [%src + offset + 0x38] ASINORMAL, %t3;  \
        ASI_SETDST_NOBLK                                                \
        STX                     %t0, [%dst + offset + 0x20] ASINORMAL;  \
        STX                     %t1, [%dst + offset + 0x28] ASINORMAL;  \
        STX                     %t2, [%dst + offset + 0x30] ASINORMAL;  \
        STX                     %t3, [%dst + offset + 0x38] ASINORMAL;

#define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3)                \
        ASI_SETSRC_NOBLK                                                \
        LDX                     [%src - offset - 0x10] ASINORMAL, %t0;  \
        LDX                     [%src - offset - 0x08] ASINORMAL, %t1;  \
        ASI_SETDST_NOBLK                                                \
        STW                     %t0, [%dst - offset - 0x0c] ASINORMAL;  \
        srlx                    %t0, 32, %t2;                           \
        STW                     %t2, [%dst - offset - 0x10] ASINORMAL;  \
        STW                     %t1, [%dst - offset - 0x04] ASINORMAL;  \
        srlx                    %t1, 32, %t3;                           \
        STW                     %t3, [%dst - offset - 0x08] ASINORMAL;

#define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1)                   \
        ASI_SETSRC_NOBLK                                                \
        LDX                     [%src - offset - 0x10] ASINORMAL, %t0;  \
        LDX                     [%src - offset - 0x08] ASINORMAL, %t1;  \
        ASI_SETDST_NOBLK                                                \
        STX                     %t0, [%dst - offset - 0x10] ASINORMAL;  \
        STX                     %t1, [%dst - offset - 0x08] ASINORMAL;

#else /* !REGS_64BIT */

#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3)                 \
        lduw                    [%src + offset + 0x00], %t0;            \
        lduw                    [%src + offset + 0x04], %t1;            \
        lduw                    [%src + offset + 0x08], %t2;            \
        lduw                    [%src + offset + 0x0c], %t3;            \
        stw                     %t0, [%dst + offset + 0x00];            \
        stw                     %t1, [%dst + offset + 0x04];            \
        stw                     %t2, [%dst + offset + 0x08];            \
        stw                     %t3, [%dst + offset + 0x0c];            \
        lduw                    [%src + offset + 0x10], %t0;            \
        lduw                    [%src + offset + 0x14], %t1;            \
        lduw                    [%src + offset + 0x18], %t2;            \
        lduw                    [%src + offset + 0x1c], %t3;            \
        stw                     %t0, [%dst + offset + 0x10];            \
        stw                     %t1, [%dst + offset + 0x14];            \
        stw                     %t2, [%dst + offset + 0x18];            \
        stw                     %t3, [%dst + offset + 0x1c];

#define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3)                \
        lduw                    [%src - offset - 0x10], %t0;            \
        lduw                    [%src - offset - 0x0c], %t1;            \
        lduw                    [%src - offset - 0x08], %t2;            \
        lduw                    [%src - offset - 0x04], %t3;            \
        stw                     %t0, [%dst - offset - 0x10];            \
        stw                     %t1, [%dst - offset - 0x0c];            \
        stw                     %t2, [%dst - offset - 0x08];            \
        stw                     %t3, [%dst - offset - 0x04];

#endif /* !REGS_64BIT */

#ifdef __KERNEL__
                .section        __ex_table,#alloc
                .section        .fixup,#alloc,#execinstr
#endif

                .text
                .align                  32
                .globl                  memcpy
                .type                   memcpy,@function

                .globl                  bcopy
                .type                   bcopy,@function

#ifdef __KERNEL__
                .globl                  __memcpy_begin
__memcpy_begin:

                .globl                  __memcpy
                .type                   __memcpy,@function

memcpy_private:
__memcpy:
memcpy:         mov             ASI_P, asi_src                  ! IEU0  Group
                brnz,pt         %o2, __memcpy_entry             ! CTI
                 mov            ASI_P, asi_dest                 ! IEU1
                retl
                 clr            %o0

                .align                  32
                .globl                  __copy_from_user
                .type                   __copy_from_user,@function
__copy_from_user:rd             %asi, asi_src                   ! IEU0  Group
                brnz,pt         %o2, __memcpy_entry             ! CTI
                 mov            ASI_P, asi_dest                 ! IEU1

                .globl                  __copy_to_user
                .type                   __copy_to_user,@function
__copy_to_user: mov             ASI_P, asi_src                  ! IEU0  Group
                brnz,pt         %o2, __memcpy_entry             ! CTI
                 rd             %asi, asi_dest                  ! IEU1
                retl                                            ! CTI   Group
                 clr            %o0                             ! IEU0  Group

                .globl                  __copy_in_user
                .type                   __copy_in_user,@function
__copy_in_user: rd              %asi, asi_src                   ! IEU0  Group
                brnz,pt         %o2, __memcpy_entry             ! CTI
                 mov            asi_src, asi_dest               ! IEU1
                retl                                            ! CTI   Group
                 clr            %o0                             ! IEU0  Group
#endif

bcopy:          or              %o0, 0, %g3                     ! IEU0  Group
                addcc           %o1, 0, %o0                     ! IEU1
                brgez,pt        %o2, memcpy_private             ! CTI
                 or             %g3, 0, %o1                     ! IEU0  Group
                retl                                            ! CTI   Group brk forced
                 clr            %o0                             ! IEU0


#ifdef __KERNEL__
#define BRANCH_ALWAYS   0x10680000
#define NOP             0x01000000
#define ULTRA3_DO_PATCH(OLD, NEW)       \
        sethi   %hi(NEW), %g1; \
        or      %g1, %lo(NEW), %g1; \
        sethi   %hi(OLD), %g2; \
        or      %g2, %lo(OLD), %g2; \
        sub     %g1, %g2, %g1; \
        sethi   %hi(BRANCH_ALWAYS), %g3; \
        srl     %g1, 2, %g1; \
        or      %g3, %lo(BRANCH_ALWAYS), %g3; \
        or      %g3, %g1, %g3; \
        stw     %g3, [%g2]; \
        sethi   %hi(NOP), %g3; \
        or      %g3, %lo(NOP), %g3; \
        stw     %g3, [%g2 + 0x4]; \
        flush   %g2;
#define ULTRA3_PCACHE_DO_NOP(symbol)    \
        sethi   %hi(symbol##_nop_1_6), %g1; \
        or      %g1, %lo(symbol##_nop_1_6), %g1; \
        sethi   %hi(NOP), %g2; \
        stw     %g2, [%g1 + 0x00]; \
        stw     %g2, [%g1 + 0x04]; \
        flush   %g1 + 0x00; \
        stw     %g2, [%g1 + 0x08]; \
        stw     %g2, [%g1 + 0x0c]; \
        flush   %g1 + 0x08; \
        stw     %g2, [%g1 + 0x10]; \
        stw     %g2, [%g1 + 0x04]; \
        flush   %g1 + 0x10; \
        sethi   %hi(symbol##_nop_2_3), %g1; \
        or      %g1, %lo(symbol##_nop_2_3), %g1; \
        stw     %g2, [%g1 + 0x00]; \
        stw     %g2, [%g1 + 0x04]; \
        flush   %g1 + 0x00; \
        stw     %g2, [%g1 + 0x08]; \
        flush   %g1 + 0x08;

#include <asm/dcu.h>

        .globl  cheetah_patch_copyops
cheetah_patch_copyops:
        ULTRA3_DO_PATCH(memcpy, U3memcpy)
        ULTRA3_DO_PATCH(__copy_from_user, U3copy_from_user)
        ULTRA3_DO_PATCH(__copy_to_user, U3copy_to_user)
        ULTRA3_DO_PATCH(__copy_in_user, U3copy_in_user)
#if 0 /* Causes data corruption, nop out the optimization
       * for now -DaveM
       */
        ldxa                    [%g0] ASI_DCU_CONTROL_REG, %g3
        sethi                   %uhi(DCU_PE), %o3
        sllx                    %o3, 32, %o3
        andcc                   %g3, %o3, %g0
        be,pn                   %xcc, pcache_disabled
         nop
#endif
        ULTRA3_PCACHE_DO_NOP(U3memcpy)
        ULTRA3_PCACHE_DO_NOP(U3copy_from_user)
        ULTRA3_PCACHE_DO_NOP(U3copy_to_user)
        ULTRA3_PCACHE_DO_NOP(cheetah_copy_user_page)
#if 0
pcache_disabled:
#endif
        retl
         nop
#undef BRANCH_ALWAYS
#undef NOP
#undef ULTRA3_DO_PATCH
#endif /* __KERNEL__ */

        .align                  32
#ifdef __KERNEL__
        andcc                   %o0, 7, %g2                     ! IEU1  Group
#endif
VIS_enter:
        be,pt                   %xcc, dest_is_8byte_aligned     ! CTI
#ifdef __KERNEL__
         nop                                                    ! IEU0  Group
#else
         andcc                  %o0, 0x38, %g5                  ! IEU1  Group
#endif
do_dest_8byte_align:
        mov                     8, %g1                          ! IEU0
        sub                     %g1, %g2, %g2                   ! IEU0  Group
        andcc                   %o0, 1, %g0                     ! IEU1
        be,pt                   %icc, 2f                        ! CTI
         sub                    %o2, %g2, %o2                   ! IEU0  Group
1:      ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUB                 [%o1] ASINORMAL, %o5, 
                                add %o2, %g2)                   ! Load  Group
        add                     %o1, 1, %o1                     ! IEU0
        add                     %o0, 1, %o0                     ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        subcc                   %g2, 1, %g2                     ! IEU1  Group
        be,pn                   %xcc, 3f                        ! CTI
         EX2(STB                %o5, [%o0 - 1] ASINORMAL,
                                add %g2, 1, %g2,
                                add %o2, %g2)                   ! Store
2:      ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUB                 [%o1] ASINORMAL, %o5, 
                                add %o2, %g2)                   ! Load  Group
        add                     %o0, 2, %o0                     ! IEU0
        EX2(LDUB                [%o1 + 1] ASINORMAL, %g3,
                                sub %o0, 2, %o0,
                                add %o2, %g2)                   ! Load  Group
        ASI_SETDST_NOBLK                                        ! LSU   Group
        subcc                   %g2, 2, %g2                     ! IEU1  Group
        EX2(STB                 %o5, [%o0 - 2] ASINORMAL,
                                add %g2, 2, %g2,
                                add %o2, %g2)                   ! Store
        add                     %o1, 2, %o1                     ! IEU0
        bne,pt                  %xcc, 2b                        ! CTI   Group
         EX2(STB                %g3, [%o0 - 1] ASINORMAL,
                                add %g2, 1, %g2,
                                add %o2, %g2)                   ! Store
#ifdef __KERNEL__
3:
dest_is_8byte_aligned:
        VISEntry
        andcc                   %o0, 0x38, %g5                  ! IEU1  Group
#else
3:      andcc                   %o0, 0x38, %g5                  ! IEU1  Group
dest_is_8byte_aligned:
#endif
        be,pt                   %icc, dest_is_64byte_aligned    ! CTI
         mov                    64, %g1                         ! IEU0
        fmovd                   %f0, %f2                        ! FPU
        sub                     %g1, %g5, %g5                   ! IEU0  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        alignaddr               %o1, %g0, %g1                   ! GRU   Group
        EXO2(LDDF               [%g1] ASINORMAL, %f4)           ! Load  Group
        sub                     %o2, %g5, %o2                   ! IEU0
1:      EX(LDDF                 [%g1 + 0x8] ASINORMAL, %f6,
                                add %o2, %g5)                   ! Load  Group
        add                     %g1, 0x8, %g1                   ! IEU0  Group
        subcc                   %g5, 8, %g5                     ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        faligndata              %f4, %f6, %f0                   ! GRU   Group
        EX2(STDF                %f0, [%o0] ASINORMAL,
                                add %g5, 8, %g5,
                                add %o2, %g5)                   ! Store
        add                     %o1, 8, %o1                     ! IEU0  Group
        be,pn                   %xcc, dest_is_64byte_aligned    ! CTI
         add                    %o0, 8, %o0                     ! IEU1
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDDF                 [%g1 + 0x8] ASINORMAL, %f4,
                                add %o2, %g5)                   ! Load  Group
        add                     %g1, 8, %g1                     ! IEU0
        subcc                   %g5, 8, %g5                     ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        faligndata              %f6, %f4, %f0                   ! GRU   Group
        EX2(STDF                %f0, [%o0] ASINORMAL,
                                add %g5, 8, %g5,
                                add %o2, %g5)                   ! Store
        add                     %o1, 8, %o1                     ! IEU0
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        bne,pt                  %xcc, 1b                        ! CTI   Group
         add                    %o0, 8, %o0                     ! IEU0
dest_is_64byte_aligned:
        membar            #LoadStore | #StoreStore | #StoreLoad ! LSU   Group
#ifndef __KERNEL__
        wr                      %g0, ASI_BLK_P, %asi            ! LSU   Group
#endif
        subcc                   %o2, 0x40, %g7                  ! IEU1  Group
        mov                     %o1, %g1                        ! IEU0
        andncc                  %g7, (0x40 - 1), %g7            ! IEU1  Group
        srl                     %g1, 3, %g2                     ! IEU0
        sub                     %o2, %g7, %g3                   ! IEU0  Group
        andn                    %o1, (0x40 - 1), %o1            ! IEU1
        and                     %g2, 7, %g2                     ! IEU0  Group
        andncc                  %g3, 0x7, %g3                   ! IEU1
        fmovd                   %f0, %f2                        ! FPU
        sub                     %g3, 0x10, %g3                  ! IEU0  Group
        sub                     %o2, %g7, %o2                   ! IEU1
#ifdef __KERNEL__
        or                      asi_src, ASI_BLK_OR, asi_src    ! IEU0  Group
        or                      asi_dest, ASI_BLK_OR, asi_dest  ! IEU1
#endif
        alignaddr               %g1, %g0, %g0                   ! GRU   Group
        add                     %g1, %g7, %g1                   ! IEU0  Group
        subcc                   %o2, %g3, %o2                   ! IEU1
        ASI_SETSRC_BLK                                          ! LSU   Group
        EXVIS1(LDBLK            [%o1 + 0x00] ASIBLK, %f0)       ! LSU   Group
        add                     %g1, %g3, %g1                   ! IEU0
        EXVIS1(LDBLK            [%o1 + 0x40] ASIBLK, %f16)      ! LSU   Group
        sub                     %g7, 0x80, %g7                  ! IEU0
        EXVIS(LDBLK             [%o1 + 0x80] ASIBLK, %f32)      ! LSU   Group
#ifdef __KERNEL__
vispc:  sll                     %g2, 9, %g2                     ! IEU0  Group
        sethi                   %hi(vis00), %g5                 ! IEU1
        or                      %g5, %lo(vis00), %g5            ! IEU0  Group
        jmpl                    %g5 + %g2, %g0                  ! CTI   Group brk forced
         addcc                  %o1, 0xc0, %o1                  ! IEU1  Group
#else
                                                                ! Clk1  Group 8-(
                                                                ! Clk2  Group 8-(
                                                                ! Clk3  Group 8-(
                                                                ! Clk4  Group 8-(
vispc:  rd                      %pc, %g5                        ! PDU   Group 8-(
        addcc                   %g5, %lo(vis00 - vispc), %g5    ! IEU1  Group
        sll                     %g2, 9, %g2                     ! IEU0
        jmpl                    %g5 + %g2, %g0                  ! CTI   Group brk forced
         addcc                  %o1, 0xc0, %o1                  ! IEU1  Group
#endif
        .align                  512             /* OK, here comes the fun part... */
vis00:FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) LOOP_CHUNK1(o1, o0, g7, vis01)
      FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) LOOP_CHUNK2(o1, o0, g7, vis02)
      FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)  LOOP_CHUNK3(o1, o0, g7, vis03)
      b,pt                      %xcc, vis00+4; faligndata %f0, %f2, %f48
vis01:FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)  STORE_JUMP(o0, f48, finish_f0) membar #Sync
vis02:FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)  STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_JUMP(o0, f48, finish_f16) membar #Sync
vis03:FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_JUMP(o0, f48, finish_f32) membar #Sync
      VISLOOP_PAD
vis10:FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) LOOP_CHUNK1(o1, o0, g7, vis11)
      FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) LOOP_CHUNK2(o1, o0, g7, vis12)
      FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)  LOOP_CHUNK3(o1, o0, g7, vis13)
      b,pt                      %xcc, vis10+4; faligndata %f2, %f4, %f48
vis11:FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)  STORE_JUMP(o0, f48, finish_f2) membar #Sync
vis12:FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)  STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_JUMP(o0, f48, finish_f18) membar #Sync
vis13:FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_JUMP(o0, f48, finish_f34) membar #Sync
      VISLOOP_PAD
vis20:FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) LOOP_CHUNK1(o1, o0, g7, vis21)
      FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) LOOP_CHUNK2(o1, o0, g7, vis22)
      FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)  LOOP_CHUNK3(o1, o0, g7, vis23)
      b,pt                      %xcc, vis20+4; faligndata %f4, %f6, %f48
vis21:FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)  STORE_JUMP(o0, f48, finish_f4) membar #Sync
vis22:FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)  STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_JUMP(o0, f48, finish_f20) membar #Sync
vis23:FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_JUMP(o0, f48, finish_f36) membar #Sync
      VISLOOP_PAD
vis30:FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) LOOP_CHUNK1(o1, o0, g7, vis31)
      FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) LOOP_CHUNK2(o1, o0, g7, vis32)
      FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)  LOOP_CHUNK3(o1, o0, g7, vis33)
      b,pt                      %xcc, vis30+4; faligndata %f6, %f8, %f48
vis31:FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)  STORE_JUMP(o0, f48, finish_f6) membar #Sync
vis32:FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)  STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_JUMP(o0, f48, finish_f22) membar #Sync
vis33:FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_JUMP(o0, f48, finish_f38) membar #Sync
      VISLOOP_PAD
vis40:FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) LOOP_CHUNK1(o1, o0, g7, vis41)
      FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) LOOP_CHUNK2(o1, o0, g7, vis42)
      FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)  LOOP_CHUNK3(o1, o0, g7, vis43)
      b,pt                      %xcc, vis40+4; faligndata %f8, %f10, %f48
vis41:FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)  STORE_JUMP(o0, f48, finish_f8) membar #Sync
vis42:FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)  STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_JUMP(o0, f48, finish_f24) membar #Sync
vis43:FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_JUMP(o0, f48, finish_f40) membar #Sync
      VISLOOP_PAD
vis50:FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) LOOP_CHUNK1(o1, o0, g7, vis51)
      FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) LOOP_CHUNK2(o1, o0, g7, vis52)
      FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) LOOP_CHUNK3(o1, o0, g7, vis53)
      b,pt                      %xcc, vis50+4; faligndata %f10, %f12, %f48
vis51:FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_JUMP(o0, f48, finish_f10) membar #Sync
vis52:FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_JUMP(o0, f48, finish_f26) membar #Sync
vis53:FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_JUMP(o0, f48, finish_f42) membar #Sync
      VISLOOP_PAD
vis60:FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) LOOP_CHUNK1(o1, o0, g7, vis61)
      FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) LOOP_CHUNK2(o1, o0, g7, vis62)
      FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) LOOP_CHUNK3(o1, o0, g7, vis63)
      b,pt                      %xcc, vis60+4; faligndata %f12, %f14, %f48
vis61:FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_JUMP(o0, f48, finish_f12) membar #Sync
vis62:FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_JUMP(o0, f48, finish_f28) membar #Sync
vis63:FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_JUMP(o0, f48, finish_f44) membar #Sync
      VISLOOP_PAD
vis70:FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) LOOP_CHUNK1(o1, o0, g7, vis71)
      FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) LOOP_CHUNK2(o1, o0, g7, vis72)
      FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) LOOP_CHUNK3(o1, o0, g7, vis73)
      b,pt                      %xcc, vis70+4; faligndata %f14, %f16, %f48
vis71:FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_JUMP(o0, f48, finish_f14) membar #Sync
vis72:FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_JUMP(o0, f48, finish_f30) membar #Sync
vis73:FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_SYNC(o0, f48) membar #Sync
      FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_JUMP(o0, f48, finish_f46) membar #Sync
      VISLOOP_PAD
finish_f0:      FINISH_VISCHUNK(o0, f0,  f2,  g3)
finish_f2:      FINISH_VISCHUNK(o0, f2,  f4,  g3)
finish_f4:      FINISH_VISCHUNK(o0, f4,  f6,  g3)
finish_f6:      FINISH_VISCHUNK(o0, f6,  f8,  g3)
finish_f8:      FINISH_VISCHUNK(o0, f8,  f10, g3)
finish_f10:     FINISH_VISCHUNK(o0, f10, f12, g3)
finish_f12:     FINISH_VISCHUNK(o0, f12, f14, g3)
finish_f14:     UNEVEN_VISCHUNK(o0, f14, f0,  g3)
finish_f16:     FINISH_VISCHUNK(o0, f16, f18, g3)
finish_f18:     FINISH_VISCHUNK(o0, f18, f20, g3)
finish_f20:     FINISH_VISCHUNK(o0, f20, f22, g3)
finish_f22:     FINISH_VISCHUNK(o0, f22, f24, g3)
finish_f24:     FINISH_VISCHUNK(o0, f24, f26, g3)
finish_f26:     FINISH_VISCHUNK(o0, f26, f28, g3)
finish_f28:     FINISH_VISCHUNK(o0, f28, f30, g3)
finish_f30:     UNEVEN_VISCHUNK(o0, f30, f0,  g3)
finish_f32:     FINISH_VISCHUNK(o0, f32, f34, g3)
finish_f34:     FINISH_VISCHUNK(o0, f34, f36, g3)
finish_f36:     FINISH_VISCHUNK(o0, f36, f38, g3)
finish_f38:     FINISH_VISCHUNK(o0, f38, f40, g3)
finish_f40:     FINISH_VISCHUNK(o0, f40, f42, g3)
finish_f42:     FINISH_VISCHUNK(o0, f42, f44, g3)
finish_f44:     FINISH_VISCHUNK(o0, f44, f46, g3)
finish_f46:     UNEVEN_VISCHUNK_LAST(o0, f46, f0,  g3)
vis_out_slk:
#ifdef __KERNEL__
        srl             asi_src, 3, %g5                         ! IEU0  Group
        xor             asi_src, ASI_BLK_XOR1, asi_src          ! IEU1
        xor             asi_src, %g5, asi_src                   ! IEU0  Group
#endif
vis_slk:ASI_SETSRC_NOBLK                                        ! LSU   Group
        EXVIS3(LDDF     [%o1] ASINORMAL, %f2)                   ! Load  Group
        add             %o1, 8, %o1                             ! IEU0
        subcc           %g3, 8, %g3                             ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        faligndata      %f0, %f2, %f8                           ! GRU   Group
        EXVIS4(STDF     %f8, [%o0] ASINORMAL)                   ! Store
        bl,pn           %xcc, vis_out_slp                       ! CTI
         add            %o0, 8, %o0                             ! IEU0  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EXVIS3(LDDF     [%o1] ASINORMAL, %f0)                   ! Load  Group
        add             %o1, 8, %o1                             ! IEU0
        subcc           %g3, 8, %g3                             ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        faligndata      %f2, %f0, %f8                           ! GRU   Group
        EXVIS4(STDF     %f8, [%o0] ASINORMAL)                   ! Store
        bge,pt          %xcc, vis_slk                           ! CTI
         add            %o0, 8, %o0                             ! IEU0  Group
vis_out_slp:
#ifdef __KERNEL__
        brz,pt          %o2, vis_ret                            ! CTI   Group
         mov            %g1, %o1                                ! IEU0
        ba,pt           %xcc, vis_slp+4                         ! CTI   Group
         ASI_SETSRC_NOBLK                                       ! LSU   Group
#endif
vis_out:brz,pt          %o2, vis_ret                            ! CTI   Group
         mov            %g1, %o1                                ! IEU0
#ifdef __KERNEL__
        srl             asi_src, 3, %g5                         ! IEU0  Group
        xor             asi_src, ASI_BLK_XOR1, asi_src          ! IEU1
        xor             asi_src, %g5, asi_src                   ! IEU0  Group
#endif
vis_slp:ASI_SETSRC_NOBLK                                        ! LSU   Group
        EXO2(LDUB       [%o1] ASINORMAL, %g5)                   ! LOAD
        add             %o1, 1, %o1                             ! IEU0
        add             %o0, 1, %o0                             ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        subcc           %o2, 1, %o2                             ! IEU1
        bne,pt          %xcc, vis_slp                           ! CTI
         EX(STB         %g5, [%o0 - 1] ASINORMAL,
                        add %o2, 1)                             ! Store Group
vis_ret:membar          #StoreLoad | #StoreStore                ! LSU   Group
        FPU_CLEAN_RETL


__memcpy_short:
        andcc           %o2, 1, %g0                             ! IEU1  Group
        be,pt           %icc, 2f                                ! CTI
1:       ASI_SETSRC_NOBLK                                       ! LSU   Group
        EXO2(LDUB       [%o1] ASINORMAL, %g5)                   ! LOAD  Group
        add             %o1, 1, %o1                             ! IEU0
        add             %o0, 1, %o0                             ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        subcc           %o2, 1, %o2                             ! IEU1  Group
        be,pn           %xcc, short_ret                         ! CTI
         EX(STB         %g5, [%o0 - 1] ASINORMAL,
                        add %o2, 1)                             ! Store
2:      ASI_SETSRC_NOBLK                                        ! LSU   Group
        EXO2(LDUB       [%o1] ASINORMAL, %g5)                   ! LOAD  Group
        add             %o0, 2, %o0                             ! IEU0
        EX2(LDUB        [%o1 + 1] ASINORMAL, %o5,
                        sub %o0, 2, %o0,
                        add %o2, %g0)                           ! LOAD  Group
        add             %o1, 2, %o1                             ! IEU0
        ASI_SETDST_NOBLK                                        ! LSU   Group
        subcc           %o2, 2, %o2                             ! IEU1  Group
        EX(STB          %g5, [%o0 - 2] ASINORMAL,
                        add %o2, 2)                             ! Store
        bne,pt          %xcc, 2b                                ! CTI
         EX(STB         %o5, [%o0 - 1] ASINORMAL,
                        add %o2, 1)                             ! Store
short_ret:
        NORMAL_RETL

#ifndef __KERNEL__
memcpy_private:
memcpy:
#ifndef REGS_64BIT
        srl             %o2, 0, %o2                             ! IEU1  Group
#endif  
        brz,pn          %o2, short_ret                          ! CTI   Group
         mov            %o0, %g6                                ! IEU0
#endif
__memcpy_entry:
        cmp             %o2, 15                                 ! IEU1  Group
        bleu,pn         %xcc, __memcpy_short                    ! CTI
         cmp            %o2, (64 * 6)                           ! IEU1  Group
        bgeu,pn         %xcc, VIS_enter                         ! CTI
         andcc          %o0, 7, %g2                             ! IEU1  Group
        sub             %o0, %o1, %g5                           ! IEU0
        andcc           %g5, 3, %o5                             ! IEU1  Group
        bne,pn          %xcc, memcpy_noVIS_misaligned           ! CTI
         andcc          %o1, 3, %g0                             ! IEU1  Group
#ifdef REGS_64BIT
        be,a,pt         %xcc, 3f                                ! CTI
         andcc          %o1, 4, %g0                             ! IEU1  Group
        andcc           %o1, 1, %g0                             ! IEU1  Group
#else /* !REGS_64BIT */
        be,pt           %xcc, 5f                                ! CTI
         andcc          %o1, 1, %g0                             ! IEU1  Group
#endif /* !REGS_64BIT */
        be,pn           %xcc, 4f                                ! CTI
         andcc          %o1, 2, %g0                             ! IEU1  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EXO2(LDUB       [%o1] ASINORMAL, %g2)                   ! Load  Group
        add             %o1, 1, %o1                             ! IEU0
        add             %o0, 1, %o0                             ! IEU1
        sub             %o2, 1, %o2                             ! IEU0  Group
        ASI_SETDST_NOBLK                                        ! LSU   Group
        bne,pn          %xcc, 5f                                ! CTI   Group
         EX(STB         %g2, [%o0 - 1] ASINORMAL,
                        add %o2, 1)                             ! Store
4:      ASI_SETSRC_NOBLK                                        ! LSU   Group
        EXO2(LDUH       [%o1] ASINORMAL, %g2)                   ! Load  Group
        add             %o1, 2, %o1                             ! IEU0
        add             %o0, 2, %o0                             ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        sub             %o2, 2, %o2                             ! IEU0
        EX(STH          %g2, [%o0 - 2] ASINORMAL,
                        add %o2, 2)                             ! Store Group + bubble
#ifdef REGS_64BIT
5:      andcc           %o1, 4, %g0                             ! IEU1
3:      be,a,pn         %xcc, 2f                                ! CTI
         andcc          %o2, -128, %g7                          ! IEU1  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EXO2(LDUW       [%o1] ASINORMAL, %g5)                   ! Load  Group
        add             %o1, 4, %o1                             ! IEU0
        add             %o0, 4, %o0                             ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        sub             %o2, 4, %o2                             ! IEU0  Group
        EX(STW          %g5, [%o0 - 4] ASINORMAL,
                        add %o2, 4)                             ! Store
        andcc           %o2, -128, %g7                          ! IEU1  Group
2:      be,pn           %xcc, 3f                                ! CTI
         andcc          %o0, 4, %g0                             ! IEU1  Group
        be,pn           %xcc, 82f + 4                           ! CTI   Group
#else /* !REGS_64BIT */
5:      andcc           %o2, -128, %g7                          ! IEU1
        be,a,pn         %xcc, 41f                               ! CTI
         andcc          %o2, 0x70, %g7                          ! IEU1  Group
#endif /* !REGS_64BIT */
5:      MOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
        MOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5)
        MOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
        MOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5)
        EXT(5b,35f,VIScopyfixup1)
35:     subcc           %g7, 128, %g7                           ! IEU1  Group
        add             %o1, 128, %o1                           ! IEU0
        bne,pt          %xcc, 5b                                ! CTI
         add            %o0, 128, %o0                           ! IEU0  Group
3:      andcc           %o2, 0x70, %g7                          ! IEU1  Group
41:     be,pn           %xcc, 80f                               ! CTI
         andcc          %o2, 8, %g0                             ! IEU1  Group
#ifdef __KERNEL__
79:     sethi           %hi(80f), %o5                           ! IEU0
        sll             %g7, 1, %g5                             ! IEU0  Group
        add             %o1, %g7, %o1                           ! IEU1
        srl             %g7, 1, %g2                             ! IEU0  Group
        sub             %o5, %g5, %o5                           ! IEU1
        sub             %o5, %g2, %o5                           ! IEU0  Group
        jmpl            %o5 + %lo(80f), %g0                     ! CTI   Group brk forced
         add            %o0, %g7, %o0                           ! IEU0  Group
#else
                                                                ! Clk1 8-(
                                                                ! Clk2 8-(
                                                                ! Clk3 8-(
                                                                ! Clk4 8-(
79:     rd              %pc, %o5                                ! PDU   Group
        sll             %g7, 1, %g5                             ! IEU0  Group
        add             %o1, %g7, %o1                           ! IEU1
        sub             %o5, %g5, %o5                           ! IEU0  Group
        jmpl            %o5 + %lo(80f - 79b), %g0               ! CTI   Group brk forced
         add            %o0, %g7, %o0                           ! IEU0  Group
#endif
36:     MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5)
        MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5)
        MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5)
        MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5)
        MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5)
        MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5)
        MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5)
        EXT(36b,80f,VIScopyfixup2)
80:     be,pt           %xcc, 81f                               ! CTI
         andcc          %o2, 4, %g0                             ! IEU1
#ifdef REGS_64BIT
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDX          [%o1] ASINORMAL, %g2,
                        and %o2, 0xf)                           ! Load  Group
        add             %o0, 8, %o0                             ! IEU0
        ASI_SETDST_NOBLK                                        ! LSU   Group
        EX(STW          %g2, [%o0 - 0x4] ASINORMAL,
                        and %o2, 0xf)                           ! Store Group
        add             %o1, 8, %o1                             ! IEU1
        srlx            %g2, 32, %g2                            ! IEU0  Group
        EX2(STW         %g2, [%o0 - 0x8] ASINORMAL,
                        and %o2, 0xf, %o2,
                        sub %o2, 4)                             ! Store
#else /* !REGS_64BIT */
        lduw            [%o1], %g2                              ! Load  Group
        add             %o0, 8, %o0                             ! IEU0
        lduw            [%o1 + 0x4], %g3                        ! Load  Group
        add             %o1, 8, %o1                             ! IEU0
        stw             %g2, [%o0 - 0x8]                        ! Store Group
        stw             %g3, [%o0 - 0x4]                        ! Store Group
#endif /* !REGS_64BIT */
81:     be,pt           %xcc, 1f                                ! CTI
         andcc          %o2, 2, %g0                             ! IEU1  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUW         [%o1] ASINORMAL, %g2,
                        and %o2, 0x7)                           ! Load  Group
        add             %o1, 4, %o1                             ! IEU0
        ASI_SETDST_NOBLK                                        ! LSU   Group
        EX(STW          %g2, [%o0] ASINORMAL,
                        and %o2, 0x7)                           ! Store Group
        add             %o0, 4, %o0                             ! IEU0
1:      be,pt           %xcc, 1f                                ! CTI
         andcc          %o2, 1, %g0                             ! IEU1  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUH         [%o1] ASINORMAL, %g2,
                        and %o2, 0x3)                           ! Load  Group
        add             %o1, 2, %o1                             ! IEU0
        ASI_SETDST_NOBLK                                        ! LSU   Group
        EX(STH          %g2, [%o0] ASINORMAL,
                        and %o2, 0x3)                           ! Store Group
        add             %o0, 2, %o0                             ! IEU0
1:      be,pt           %xcc, normal_retl                       ! CTI
         nop                                                    ! IEU1
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUB         [%o1] ASINORMAL, %g2,
                        add %g0, 1)                             ! Load  Group
        ASI_SETDST_NOBLK                                        ! LSU   Group
        EX(STB          %g2, [%o0] ASINORMAL,
                        add %g0, 1)                             ! Store Group + bubble
normal_retl:
        NORMAL_RETL

#ifdef REGS_64BIT
82:     MOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
        MOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
        EXT(82b,37f,VIScopyfixup3)
37:     subcc           %g7, 128, %g7                           ! IEU1  Group
        add             %o1, 128, %o1                           ! IEU0
        bne,pt          %xcc, 82b                               ! CTI
         add            %o0, 128, %o0                           ! IEU0  Group
        andcc           %o2, 0x70, %g7                          ! IEU1
        be,pn           %xcc, 84f                               ! CTI
         andcc          %o2, 8, %g0                             ! IEU1  Group
#ifdef __KERNEL__
83:     srl             %g7, 1, %g5                             ! IEU0
        sethi           %hi(84f), %o5                           ! IEU0  Group
        add             %g7, %g5, %g5                           ! IEU1
        add             %o1, %g7, %o1                           ! IEU0  Group
        sub             %o5, %g5, %o5                           ! IEU1
        jmpl            %o5 + %lo(84f), %g0                     ! CTI   Group brk forced
         add            %o0, %g7, %o0                           ! IEU0  Group
#else
                                                                ! Clk1 8-(
                                                                ! Clk2 8-(
                                                                ! Clk3 8-(
                                                                ! Clk4 8-(
83:     rd              %pc, %o5                                ! PDU   Group
        add             %o1, %g7, %o1                           ! IEU0  Group
        sub             %o5, %g7, %o5                           ! IEU1
        jmpl            %o5 + %lo(84f - 83b), %g0               ! CTI   Group brk forced
         add            %o0, %g7, %o0                           ! IEU0  Group
#endif
38:     MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3)
        MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3)
        MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3)
        MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3)
        MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3)
        MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3)
        MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3)
        EXT(38b,84f,VIScopyfixup4)
84:     be,pt           %xcc, 85f                               ! CTI   Group
         andcc          %o2, 4, %g0                             ! IEU1
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDX          [%o1] ASINORMAL, %g2,
                        and %o2, 0xf)                           ! Load  Group
        add             %o0, 8, %o0                             ! IEU0
        ASI_SETDST_NOBLK                                        ! LSU   Group
        add             %o1, 8, %o1                             ! IEU0  Group
        EX(STX          %g2, [%o0 - 0x8] ASINORMAL,
                        and %o2, 0xf)                           ! Store
85:     be,pt           %xcc, 1f                                ! CTI
         andcc          %o2, 2, %g0                             ! IEU1  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUW         [%o1] ASINORMAL, %g2,
                        and %o2, 0x7)                           ! Load  Group
        add             %o0, 4, %o0                             ! IEU0
        ASI_SETDST_NOBLK                                        ! LSU   Group
        add             %o1, 4, %o1                             ! IEU0  Group
        EX(STW          %g2, [%o0 - 0x4] ASINORMAL,
                        and %o2, 0x7)                           ! Store
1:      be,pt           %xcc, 1f                                ! CTI
         andcc          %o2, 1, %g0                             ! IEU1  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUH         [%o1] ASINORMAL, %g2,
                        and %o2, 0x3)                           ! Load  Group
        add             %o0, 2, %o0                             ! IEU0
        ASI_SETDST_NOBLK                                        ! LSU   Group
        add             %o1, 2, %o1                             ! IEU0  Group
        EX(STH          %g2, [%o0 - 0x2] ASINORMAL,
                        and %o2, 0x3)                           ! Store
1:      be,pt           %xcc, 1f                                ! CTI
         nop                                                    ! IEU0  Group
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUB         [%o1] ASINORMAL, %g2,
                        add %g0, 1)                             ! Load  Group
        ASI_SETDST_NOBLK                                        ! LSU   Group
        EX(STB          %g2, [%o0] ASINORMAL,
                        add %g0, 1)                             ! Store Group + bubble
1:      NORMAL_RETL
#endif  /* REGS_64BIT */

memcpy_noVIS_misaligned:
        brz,pt                  %g2, 2f                         ! CTI   Group
         mov                    8, %g1                          ! IEU0
        sub                     %g1, %g2, %g2                   ! IEU0  Group
        sub                     %o2, %g2, %o2                   ! IEU0  Group
1:      ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDUB                 [%o1] ASINORMAL, %g5,
                                add %o2, %g2)                   ! Load  Group
        add                     %o1, 1, %o1                     ! IEU0
        add                     %o0, 1, %o0                     ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        subcc                   %g2, 1, %g2                     ! IEU1  Group
        bne,pt                  %xcc, 1b                        ! CTI
         EX2(STB                %g5, [%o0 - 1] ASINORMAL,
                                add %o2, %g2, %o2,
                                add %o2, 1)                     ! Store
2:
#ifdef __KERNEL__
        VISEntry
#endif
        andn                    %o2, 7, %g5                     ! IEU0  Group
        and                     %o2, 7, %o2                     ! IEU1
        fmovd                   %f0, %f2                        ! FPU
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        alignaddr               %o1, %g0, %g1                   ! GRU   Group
        EXO2(LDDF               [%g1] ASINORMAL, %f4)           ! Load  Group
1:      EX(LDDF                 [%g1 + 0x8] ASINORMAL, %f6,
                                add %o2, %g5)                   ! Load  Group
        add                     %g1, 0x8, %g1                   ! IEU0  Group
        subcc                   %g5, 8, %g5                     ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        faligndata              %f4, %f6, %f0                   ! GRU   Group
        EX2(STDF                %f0, [%o0] ASINORMAL,
                                add %o2, %g5, %o2,
                                add %o2, 8)                     ! Store
        add                     %o1, 8, %o1                     ! IEU0  Group
        be,pn                   %xcc, end_cruft                 ! CTI
         add                    %o0, 8, %o0                     ! IEU1
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        EX(LDDF                 [%g1 + 0x8] ASINORMAL, %f4,
                                add %o2, %g5)                   ! Load  Group
        add                     %g1, 8, %g1                     ! IEU0
        subcc                   %g5, 8, %g5                     ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        faligndata              %f6, %f4, %f0                   ! GRU   Group
        EX2(STDF                %f0, [%o0] ASINORMAL,
                                add %o2, %g5, %o2,
                                add %o2, 8)                     ! Store
        add                     %o1, 8, %o1                     ! IEU0
        ASI_SETSRC_NOBLK                                        ! LSU   Group
        bne,pn                  %xcc, 1b                        ! CTI   Group
         add                    %o0, 8, %o0                     ! IEU0
end_cruft:
        brz,pn                  %o2, fpu_retl                   ! CTI   Group
#ifndef __KERNEL__
         nop                                                    ! IEU0
#else
         ASI_SETSRC_NOBLK                                       ! LSU   Group
#endif
        EXO2(LDUB       [%o1] ASINORMAL, %g5)                   ! LOAD
        add             %o1, 1, %o1                             ! IEU0
        add             %o0, 1, %o0                             ! IEU1
        ASI_SETDST_NOBLK                                        ! LSU   Group
        subcc           %o2, 1, %o2                             ! IEU1
        bne,pt          %xcc, vis_slp                           ! CTI
         EX(STB         %g5, [%o0 - 1] ASINORMAL,
                        add %o2, 1)                             ! Store Group
fpu_retl:
        FPU_RETL

#ifdef __KERNEL__
        .globl          __memcpy_end
__memcpy_end:

                .section        .fixup
                .align          4
VIScopyfixup_reto2:
                mov             %o2, %o1
VIScopyfixup_ret:
                /* If this is copy_from_user(), zero out the rest of the
                 * kernel buffer.
                 */
                ldub            [%g6 + AOFF_task_thread + AOFF_thread_current_ds], %o4
                andcc           asi_src, 0x1, %g0
                be,pt           %icc, 1f
                 VISExit
                andcc           asi_dest, 0x1, %g0
                bne,pn          %icc, 1f
                 nop
                save            %sp, -160, %sp
                mov             %i0, %o0
                call            __bzero
                 mov            %i1, %o1
                restore
1:              mov             %o1, %o0
                retl
                 wr             %o4, %g0, %asi
VIScopyfixup1:  subcc           %g2, 18, %g2
                add             %o0, 32, %o0
                bgeu,a,pt       %icc, VIScopyfixup1
                 sub            %g7, 32, %g7
                sub             %o0, 32, %o0
                rd              %pc, %g5
                add             %g2, (18 + 16), %g2
                ldub            [%g5 + %g2], %g2
                ba,a,pt         %xcc, 2f
.byte           0, 0, 0, 0, 0, 0, 0, 4, 4, 8, 12, 12, 16, 20, 20, 24, 28, 28
                .align          4
VIScopyfixup2:  mov             (7 * 16), %g7
1:              subcc           %g2, 10, %g2
                bgeu,a,pt       %icc, 1b
                 sub            %g7, 16, %g7
                sub             %o0, %g7, %o0
                rd              %pc, %g5
                add             %g2, (10 + 16), %g2
                ldub            [%g5 + %g2], %g2
                ba,a,pt         %xcc, 4f
.byte           0, 0, 0, 0, 0, 4, 4, 8, 12, 12
                .align          4
VIScopyfixup3:  subcc           %g2, 10, %g2
                add             %o0, 32, %o0
                bgeu,a,pt       %icc, VIScopyfixup3
                 sub            %g7, 32, %g7
                sub             %o0, 32, %o0
                rd              %pc, %g5
                add             %g2, (10 + 16), %g2
                ldub            [%g5 + %g2], %g2
                ba,a,pt         %xcc, 2f
.byte           0, 0, 0, 0, 0, 0, 0, 8, 16, 24
                .align          4
2:              and             %o2, 0x7f, %o2
                sub             %g7, %g2, %g7
                ba,pt           %xcc, VIScopyfixup_ret
                 add            %g7, %o2, %o1
VIScopyfixup4:  mov             (7 * 16), %g7
3:              subcc           %g2, 6, %g2
                bgeu,a,pt       %icc, 3b
                 sub            %g7, 16, %g7
                sub             %o0, %g7, %o0
                rd              %pc, %g5
                add             %g2, (6 + 16), %g2
                ldub            [%g5 + %g2], %g2
                ba,a,pt         %xcc, 4f
.byte           0, 0, 0, 0, 0, 8
                .align          4
4:              and             %o2, 0xf, %o2
                sub             %g7, %g2, %g7
                ba,pt           %xcc, VIScopyfixup_ret
                 add            %g7, %o2, %o1
VIScopyfixup_vis2:
                sub             %o2, 0x40, %o2
VIScopyfixup_vis0:
                add             %o2, 0x80, %o2
VIScopyfixup_vis1:
                add             %g7, %g3, %g7
                ba,pt           %xcc, VIScopyfixup_ret
                 add            %o2, %g7, %o1
VIScopyfixup_vis4:
                add             %g3, 8, %g3
VIScopyfixup_vis3:
                add             %g3, 8, %g3
                ba,pt           %xcc, VIScopyfixup_ret
                 add            %o2, %g3, %o1
#endif

#ifdef __KERNEL__
                .text
                .align          32

                .globl          __memmove
                .type           __memmove,@function

                .globl          memmove
                .type           memmove,@function

memmove:
__memmove:      cmp             %o0, %o1
                blu,pt          %xcc, memcpy_private
                 sub            %o0, %o1, %g5
                add             %o1, %o2, %g3
                cmp             %g3, %o0
                bleu,pt         %xcc, memcpy_private
                 add            %o1, %o2, %g5
                add             %o0, %o2, %o5

                sub             %g5, 1, %o1
                sub             %o5, 1, %o0
1:              ldub            [%o1], %g5
                subcc           %o2, 1, %o2
                sub             %o1, 1, %o1
                stb             %g5, [%o0]
                bne,pt          %icc, 1b
                 sub            %o0, 1, %o0

                retl
                 clr            %o0
#endif
Go to most recent revision | Compare with Previous | Blame | View Log
Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [sparc64/] [lib/] [VIScopy.S] - Rev 1781
