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Sourcecode: linux-2.6 version File versions

xor.h

/*
 * include/asm-alpha/xor.h
 *
 * Optimized RAID-5 checksumming functions for alpha EV5 and EV6
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * You should have received a copy of the GNU General Public License
 * (for example /usr/src/linux/COPYING); if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

extern void xor_alpha_2(unsigned long, unsigned long *, unsigned long *);
extern void xor_alpha_3(unsigned long, unsigned long *, unsigned long *,
                    unsigned long *);
extern void xor_alpha_4(unsigned long, unsigned long *, unsigned long *,
                    unsigned long *, unsigned long *);
extern void xor_alpha_5(unsigned long, unsigned long *, unsigned long *,
                    unsigned long *, unsigned long *, unsigned long *);

extern void xor_alpha_prefetch_2(unsigned long, unsigned long *,
                         unsigned long *);
extern void xor_alpha_prefetch_3(unsigned long, unsigned long *,
                         unsigned long *, unsigned long *);
extern void xor_alpha_prefetch_4(unsigned long, unsigned long *,
                         unsigned long *, unsigned long *,
                         unsigned long *);
extern void xor_alpha_prefetch_5(unsigned long, unsigned long *,
                         unsigned long *, unsigned long *,
                         unsigned long *, unsigned long *);

asm("                                           \n\
      .text                                     \n\
      .align 3                                  \n\
      .ent xor_alpha_2                          \n\
xor_alpha_2:                                          \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
      .align 4                                  \n\
2:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,8($17)                                   \n\
      ldq $3,8($18)                                   \n\
                                                \n\
      ldq $4,16($17)                                  \n\
      ldq $5,16($18)                                  \n\
      ldq $6,24($17)                                  \n\
      ldq $7,24($18)                                  \n\
                                                \n\
      ldq $19,32($17)                                 \n\
      ldq $20,32($18)                                 \n\
      ldq $21,40($17)                                 \n\
      ldq $22,40($18)                                 \n\
                                                \n\
      ldq $23,48($17)                                 \n\
      ldq $24,48($18)                                 \n\
      ldq $25,56($17)                                 \n\
      xor $0,$1,$0            # 7 cycles from $1 load       \n\
                                                \n\
      ldq $27,56($18)                                 \n\
      xor $2,$3,$2                                    \n\
      stq $0,0($17)                                   \n\
      xor $4,$5,$4                                    \n\
                                                \n\
      stq $2,8($17)                                   \n\
      xor $6,$7,$6                                    \n\
      stq $4,16($17)                                  \n\
      xor $19,$20,$19                                 \n\
                                                \n\
      stq $6,24($17)                                  \n\
      xor $21,$22,$21                                 \n\
      stq $19,32($17)                                 \n\
      xor $23,$24,$23                                 \n\
                                                \n\
      stq $21,40($17)                                 \n\
      xor $25,$27,$25                                 \n\
      stq $23,48($17)                                 \n\
      subq $16,1,$16                                  \n\
                                                \n\
      stq $25,56($17)                                 \n\
      addq $17,64,$17                                 \n\
      addq $18,64,$18                                 \n\
      bgt $16,2b                                \n\
                                                \n\
      ret                                       \n\
      .end xor_alpha_2                          \n\
                                                \n\
      .align 3                                  \n\
      .ent xor_alpha_3                          \n\
xor_alpha_3:                                          \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
      .align 4                                  \n\
3:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,0($19)                                   \n\
      ldq $3,8($17)                                   \n\
                                                \n\
      ldq $4,8($18)                                   \n\
      ldq $6,16($17)                                  \n\
      ldq $7,16($18)                                  \n\
      ldq $21,24($17)                                 \n\
                                                \n\
      ldq $22,24($18)                                 \n\
      ldq $24,32($17)                                 \n\
      ldq $25,32($18)                                 \n\
      ldq $5,8($19)                                   \n\
                                                \n\
      ldq $20,16($19)                                 \n\
      ldq $23,24($19)                                 \n\
      ldq $27,32($19)                                 \n\
      nop                                       \n\
                                                \n\
      xor $0,$1,$1            # 8 cycles from $0 load       \n\
      xor $3,$4,$4            # 6 cycles from $4 load       \n\
      xor $6,$7,$7            # 6 cycles from $7 load       \n\
      xor $21,$22,$22         # 5 cycles from $22 load      \n\
                                                \n\
      xor $1,$2,$2            # 9 cycles from $2 load       \n\
      xor $24,$25,$25         # 5 cycles from $25 load      \n\
      stq $2,0($17)                                   \n\
      xor $4,$5,$5            # 6 cycles from $5 load       \n\
                                                \n\
      stq $5,8($17)                                   \n\
      xor $7,$20,$20          # 7 cycles from $20 load      \n\
      stq $20,16($17)                                 \n\
      xor $22,$23,$23         # 7 cycles from $23 load      \n\
                                                \n\
      stq $23,24($17)                                 \n\
      xor $25,$27,$27         # 7 cycles from $27 load      \n\
      stq $27,32($17)                                 \n\
      nop                                       \n\
                                                \n\
      ldq $0,40($17)                                  \n\
      ldq $1,40($18)                                  \n\
      ldq $3,48($17)                                  \n\
      ldq $4,48($18)                                  \n\
                                                \n\
      ldq $6,56($17)                                  \n\
      ldq $7,56($18)                                  \n\
      ldq $2,40($19)                                  \n\
      ldq $5,48($19)                                  \n\
                                                \n\
      ldq $20,56($19)                                 \n\
      xor $0,$1,$1            # 4 cycles from $1 load       \n\
      xor $3,$4,$4            # 5 cycles from $4 load       \n\
      xor $6,$7,$7            # 5 cycles from $7 load       \n\
                                                \n\
      xor $1,$2,$2            # 4 cycles from $2 load       \n\
      xor $4,$5,$5            # 5 cycles from $5 load       \n\
      stq $2,40($17)                                  \n\
      xor $7,$20,$20          # 4 cycles from $20 load      \n\
                                                \n\
      stq $5,48($17)                                  \n\
      subq $16,1,$16                                  \n\
      stq $20,56($17)                                 \n\
      addq $19,64,$19                                 \n\
                                                \n\
      addq $18,64,$18                                 \n\
      addq $17,64,$17                                 \n\
      bgt $16,3b                                \n\
      ret                                       \n\
      .end xor_alpha_3                          \n\
                                                \n\
      .align 3                                  \n\
      .ent xor_alpha_4                          \n\
xor_alpha_4:                                          \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
      .align 4                                  \n\
4:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,0($19)                                   \n\
      ldq $3,0($20)                                   \n\
                                                \n\
      ldq $4,8($17)                                   \n\
      ldq $5,8($18)                                   \n\
      ldq $6,8($19)                                   \n\
      ldq $7,8($20)                                   \n\
                                                \n\
      ldq $21,16($17)                                 \n\
      ldq $22,16($18)                                 \n\
      ldq $23,16($19)                                 \n\
      ldq $24,16($20)                                 \n\
                                                \n\
      ldq $25,24($17)                                 \n\
      xor $0,$1,$1            # 6 cycles from $1 load       \n\
      ldq $27,24($18)                                 \n\
      xor $2,$3,$3            # 6 cycles from $3 load       \n\
                                                \n\
      ldq $0,24($19)                                  \n\
      xor $1,$3,$3                                    \n\
      ldq $1,24($20)                                  \n\
      xor $4,$5,$5            # 7 cycles from $5 load       \n\
                                                \n\
      stq $3,0($17)                                   \n\
      xor $6,$7,$7                                    \n\
      xor $21,$22,$22         # 7 cycles from $22 load      \n\
      xor $5,$7,$7                                    \n\
                                                \n\
      stq $7,8($17)                                   \n\
      xor $23,$24,$24         # 7 cycles from $24 load      \n\
      ldq $2,32($17)                                  \n\
      xor $22,$24,$24                                 \n\
                                                \n\
      ldq $3,32($18)                                  \n\
      ldq $4,32($19)                                  \n\
      ldq $5,32($20)                                  \n\
      xor $25,$27,$27         # 8 cycles from $27 load      \n\
                                                \n\
      ldq $6,40($17)                                  \n\
      ldq $7,40($18)                                  \n\
      ldq $21,40($19)                                 \n\
      ldq $22,40($20)                                 \n\
                                                \n\
      stq $24,16($17)                                 \n\
      xor $0,$1,$1            # 9 cycles from $1 load       \n\
      xor $2,$3,$3            # 5 cycles from $3 load       \n\
      xor $27,$1,$1                                   \n\
                                                \n\
      stq $1,24($17)                                  \n\
      xor $4,$5,$5            # 5 cycles from $5 load       \n\
      ldq $23,48($17)                                 \n\
      ldq $24,48($18)                                 \n\
                                                \n\
      ldq $25,48($19)                                 \n\
      xor $3,$5,$5                                    \n\
      ldq $27,48($20)                                 \n\
      ldq $0,56($17)                                  \n\
                                                \n\
      ldq $1,56($18)                                  \n\
      ldq $2,56($19)                                  \n\
      xor $6,$7,$7            # 8 cycles from $6 load       \n\
      ldq $3,56($20)                                  \n\
                                                \n\
      stq $5,32($17)                                  \n\
      xor $21,$22,$22         # 8 cycles from $22 load      \n\
      xor $7,$22,$22                                  \n\
      xor $23,$24,$24         # 5 cycles from $24 load      \n\
                                                \n\
      stq $22,40($17)                                 \n\
      xor $25,$27,$27         # 5 cycles from $27 load      \n\
      xor $24,$27,$27                                 \n\
      xor $0,$1,$1            # 5 cycles from $1 load       \n\
                                                \n\
      stq $27,48($17)                                 \n\
      xor $2,$3,$3            # 4 cycles from $3 load       \n\
      xor $1,$3,$3                                    \n\
      subq $16,1,$16                                  \n\
                                                \n\
      stq $3,56($17)                                  \n\
      addq $20,64,$20                                 \n\
      addq $19,64,$19                                 \n\
      addq $18,64,$18                                 \n\
                                                \n\
      addq $17,64,$17                                 \n\
      bgt $16,4b                                \n\
      ret                                       \n\
      .end xor_alpha_4                          \n\
                                                \n\
      .align 3                                  \n\
      .ent xor_alpha_5                          \n\
xor_alpha_5:                                          \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
      .align 4                                  \n\
5:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,0($19)                                   \n\
      ldq $3,0($20)                                   \n\
                                                \n\
      ldq $4,0($21)                                   \n\
      ldq $5,8($17)                                   \n\
      ldq $6,8($18)                                   \n\
      ldq $7,8($19)                                   \n\
                                                \n\
      ldq $22,8($20)                                  \n\
      ldq $23,8($21)                                  \n\
      ldq $24,16($17)                                 \n\
      ldq $25,16($18)                                 \n\
                                                \n\
      ldq $27,16($19)                                 \n\
      xor $0,$1,$1            # 6 cycles from $1 load       \n\
      ldq $28,16($20)                                 \n\
      xor $2,$3,$3            # 6 cycles from $3 load       \n\
                                                \n\
      ldq $0,16($21)                                  \n\
      xor $1,$3,$3                                    \n\
      ldq $1,24($17)                                  \n\
      xor $3,$4,$4            # 7 cycles from $4 load       \n\
                                                \n\
      stq $4,0($17)                                   \n\
      xor $5,$6,$6            # 7 cycles from $6 load       \n\
      xor $7,$22,$22          # 7 cycles from $22 load      \n\
      xor $6,$23,$23          # 7 cycles from $23 load      \n\
                                                \n\
      ldq $2,24($18)                                  \n\
      xor $22,$23,$23                                 \n\
      ldq $3,24($19)                                  \n\
      xor $24,$25,$25         # 8 cycles from $25 load      \n\
                                                \n\
      stq $23,8($17)                                  \n\
      xor $25,$27,$27         # 8 cycles from $27 load      \n\
      ldq $4,24($20)                                  \n\
      xor $28,$0,$0           # 7 cycles from $0 load       \n\
                                                \n\
      ldq $5,24($21)                                  \n\
      xor $27,$0,$0                                   \n\
      ldq $6,32($17)                                  \n\
      ldq $7,32($18)                                  \n\
                                                \n\
      stq $0,16($17)                                  \n\
      xor $1,$2,$2            # 6 cycles from $2 load       \n\
      ldq $22,32($19)                                 \n\
      xor $3,$4,$4            # 4 cycles from $4 load       \n\
                                                \n\
      ldq $23,32($20)                                 \n\
      xor $2,$4,$4                                    \n\
      ldq $24,32($21)                                 \n\
      ldq $25,40($17)                                 \n\
                                                \n\
      ldq $27,40($18)                                 \n\
      ldq $28,40($19)                                 \n\
      ldq $0,40($20)                                  \n\
      xor $4,$5,$5            # 7 cycles from $5 load       \n\
                                                \n\
      stq $5,24($17)                                  \n\
      xor $6,$7,$7            # 7 cycles from $7 load       \n\
      ldq $1,40($21)                                  \n\
      ldq $2,48($17)                                  \n\
                                                \n\
      ldq $3,48($18)                                  \n\
      xor $7,$22,$22          # 7 cycles from $22 load      \n\
      ldq $4,48($19)                                  \n\
      xor $23,$24,$24         # 6 cycles from $24 load      \n\
                                                \n\
      ldq $5,48($20)                                  \n\
      xor $22,$24,$24                                 \n\
      ldq $6,48($21)                                  \n\
      xor $25,$27,$27         # 7 cycles from $27 load      \n\
                                                \n\
      stq $24,32($17)                                 \n\
      xor $27,$28,$28         # 8 cycles from $28 load      \n\
      ldq $7,56($17)                                  \n\
      xor $0,$1,$1            # 6 cycles from $1 load       \n\
                                                \n\
      ldq $22,56($18)                                 \n\
      ldq $23,56($19)                                 \n\
      ldq $24,56($20)                                 \n\
      ldq $25,56($21)                                 \n\
                                                \n\
      xor $28,$1,$1                                   \n\
      xor $2,$3,$3            # 9 cycles from $3 load       \n\
      xor $3,$4,$4            # 9 cycles from $4 load       \n\
      xor $5,$6,$6            # 8 cycles from $6 load       \n\
                                                \n\
      stq $1,40($17)                                  \n\
      xor $4,$6,$6                                    \n\
      xor $7,$22,$22          # 7 cycles from $22 load      \n\
      xor $23,$24,$24         # 6 cycles from $24 load      \n\
                                                \n\
      stq $6,48($17)                                  \n\
      xor $22,$24,$24                                 \n\
      subq $16,1,$16                                  \n\
      xor $24,$25,$25         # 8 cycles from $25 load      \n\
                                                \n\
      stq $25,56($17)                                 \n\
      addq $21,64,$21                                 \n\
      addq $20,64,$20                                 \n\
      addq $19,64,$19                                 \n\
                                                \n\
      addq $18,64,$18                                 \n\
      addq $17,64,$17                                 \n\
      bgt $16,5b                                \n\
      ret                                       \n\
      .end xor_alpha_5                          \n\
                                                \n\
      .align 3                                  \n\
      .ent xor_alpha_prefetch_2                       \n\
xor_alpha_prefetch_2:                                 \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
                                                \n\
      ldq $31, 0($17)                                 \n\
      ldq $31, 0($18)                                 \n\
                                                \n\
      ldq $31, 64($17)                          \n\
      ldq $31, 64($18)                          \n\
                                                \n\
      ldq $31, 128($17)                         \n\
      ldq $31, 128($18)                         \n\
                                                \n\
      ldq $31, 192($17)                         \n\
      ldq $31, 192($18)                         \n\
      .align 4                                  \n\
2:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,8($17)                                   \n\
      ldq $3,8($18)                                   \n\
                                                \n\
      ldq $4,16($17)                                  \n\
      ldq $5,16($18)                                  \n\
      ldq $6,24($17)                                  \n\
      ldq $7,24($18)                                  \n\
                                                \n\
      ldq $19,32($17)                                 \n\
      ldq $20,32($18)                                 \n\
      ldq $21,40($17)                                 \n\
      ldq $22,40($18)                                 \n\
                                                \n\
      ldq $23,48($17)                                 \n\
      ldq $24,48($18)                                 \n\
      ldq $25,56($17)                                 \n\
      ldq $27,56($18)                                 \n\
                                                \n\
      ldq $31,256($17)                          \n\
      xor $0,$1,$0            # 8 cycles from $1 load       \n\
      ldq $31,256($18)                          \n\
      xor $2,$3,$2                                    \n\
                                                \n\
      stq $0,0($17)                                   \n\
      xor $4,$5,$4                                    \n\
      stq $2,8($17)                                   \n\
      xor $6,$7,$6                                    \n\
                                                \n\
      stq $4,16($17)                                  \n\
      xor $19,$20,$19                                 \n\
      stq $6,24($17)                                  \n\
      xor $21,$22,$21                                 \n\
                                                \n\
      stq $19,32($17)                                 \n\
      xor $23,$24,$23                                 \n\
      stq $21,40($17)                                 \n\
      xor $25,$27,$25                                 \n\
                                                \n\
      stq $23,48($17)                                 \n\
      subq $16,1,$16                                  \n\
      stq $25,56($17)                                 \n\
      addq $17,64,$17                                 \n\
                                                \n\
      addq $18,64,$18                                 \n\
      bgt $16,2b                                \n\
      ret                                       \n\
      .end xor_alpha_prefetch_2                       \n\
                                                \n\
      .align 3                                  \n\
      .ent xor_alpha_prefetch_3                       \n\
xor_alpha_prefetch_3:                                 \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
                                                \n\
      ldq $31, 0($17)                                 \n\
      ldq $31, 0($18)                                 \n\
      ldq $31, 0($19)                                 \n\
                                                \n\
      ldq $31, 64($17)                          \n\
      ldq $31, 64($18)                          \n\
      ldq $31, 64($19)                          \n\
                                                \n\
      ldq $31, 128($17)                         \n\
      ldq $31, 128($18)                         \n\
      ldq $31, 128($19)                         \n\
                                                \n\
      ldq $31, 192($17)                         \n\
      ldq $31, 192($18)                         \n\
      ldq $31, 192($19)                         \n\
      .align 4                                  \n\
3:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,0($19)                                   \n\
      ldq $3,8($17)                                   \n\
                                                \n\
      ldq $4,8($18)                                   \n\
      ldq $6,16($17)                                  \n\
      ldq $7,16($18)                                  \n\
      ldq $21,24($17)                                 \n\
                                                \n\
      ldq $22,24($18)                                 \n\
      ldq $24,32($17)                                 \n\
      ldq $25,32($18)                                 \n\
      ldq $5,8($19)                                   \n\
                                                \n\
      ldq $20,16($19)                                 \n\
      ldq $23,24($19)                                 \n\
      ldq $27,32($19)                                 \n\
      nop                                       \n\
                                                \n\
      xor $0,$1,$1            # 8 cycles from $0 load       \n\
      xor $3,$4,$4            # 7 cycles from $4 load       \n\
      xor $6,$7,$7            # 6 cycles from $7 load       \n\
      xor $21,$22,$22         # 5 cycles from $22 load      \n\
                                                \n\
      xor $1,$2,$2            # 9 cycles from $2 load       \n\
      xor $24,$25,$25         # 5 cycles from $25 load      \n\
      stq $2,0($17)                                   \n\
      xor $4,$5,$5            # 6 cycles from $5 load       \n\
                                                \n\
      stq $5,8($17)                                   \n\
      xor $7,$20,$20          # 7 cycles from $20 load      \n\
      stq $20,16($17)                                 \n\
      xor $22,$23,$23         # 7 cycles from $23 load      \n\
                                                \n\
      stq $23,24($17)                                 \n\
      xor $25,$27,$27         # 7 cycles from $27 load      \n\
      stq $27,32($17)                                 \n\
      nop                                       \n\
                                                \n\
      ldq $0,40($17)                                  \n\
      ldq $1,40($18)                                  \n\
      ldq $3,48($17)                                  \n\
      ldq $4,48($18)                                  \n\
                                                \n\
      ldq $6,56($17)                                  \n\
      ldq $7,56($18)                                  \n\
      ldq $2,40($19)                                  \n\
      ldq $5,48($19)                                  \n\
                                                \n\
      ldq $20,56($19)                                 \n\
      ldq $31,256($17)                          \n\
      ldq $31,256($18)                          \n\
      ldq $31,256($19)                          \n\
                                                \n\
      xor $0,$1,$1            # 6 cycles from $1 load       \n\
      xor $3,$4,$4            # 5 cycles from $4 load       \n\
      xor $6,$7,$7            # 5 cycles from $7 load       \n\
      xor $1,$2,$2            # 4 cycles from $2 load       \n\
                                                \n\
      xor $4,$5,$5            # 5 cycles from $5 load       \n\
      xor $7,$20,$20          # 4 cycles from $20 load      \n\
      stq $2,40($17)                                  \n\
      subq $16,1,$16                                  \n\
                                                \n\
      stq $5,48($17)                                  \n\
      addq $19,64,$19                                 \n\
      stq $20,56($17)                                 \n\
      addq $18,64,$18                                 \n\
                                                \n\
      addq $17,64,$17                                 \n\
      bgt $16,3b                                \n\
      ret                                       \n\
      .end xor_alpha_prefetch_3                       \n\
                                                \n\
      .align 3                                  \n\
      .ent xor_alpha_prefetch_4                       \n\
xor_alpha_prefetch_4:                                 \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
                                                \n\
      ldq $31, 0($17)                                 \n\
      ldq $31, 0($18)                                 \n\
      ldq $31, 0($19)                                 \n\
      ldq $31, 0($20)                                 \n\
                                                \n\
      ldq $31, 64($17)                          \n\
      ldq $31, 64($18)                          \n\
      ldq $31, 64($19)                          \n\
      ldq $31, 64($20)                          \n\
                                                \n\
      ldq $31, 128($17)                         \n\
      ldq $31, 128($18)                         \n\
      ldq $31, 128($19)                         \n\
      ldq $31, 128($20)                         \n\
                                                \n\
      ldq $31, 192($17)                         \n\
      ldq $31, 192($18)                         \n\
      ldq $31, 192($19)                         \n\
      ldq $31, 192($20)                         \n\
      .align 4                                  \n\
4:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,0($19)                                   \n\
      ldq $3,0($20)                                   \n\
                                                \n\
      ldq $4,8($17)                                   \n\
      ldq $5,8($18)                                   \n\
      ldq $6,8($19)                                   \n\
      ldq $7,8($20)                                   \n\
                                                \n\
      ldq $21,16($17)                                 \n\
      ldq $22,16($18)                                 \n\
      ldq $23,16($19)                                 \n\
      ldq $24,16($20)                                 \n\
                                                \n\
      ldq $25,24($17)                                 \n\
      xor $0,$1,$1            # 6 cycles from $1 load       \n\
      ldq $27,24($18)                                 \n\
      xor $2,$3,$3            # 6 cycles from $3 load       \n\
                                                \n\
      ldq $0,24($19)                                  \n\
      xor $1,$3,$3                                    \n\
      ldq $1,24($20)                                  \n\
      xor $4,$5,$5            # 7 cycles from $5 load       \n\
                                                \n\
      stq $3,0($17)                                   \n\
      xor $6,$7,$7                                    \n\
      xor $21,$22,$22         # 7 cycles from $22 load      \n\
      xor $5,$7,$7                                    \n\
                                                \n\
      stq $7,8($17)                                   \n\
      xor $23,$24,$24         # 7 cycles from $24 load      \n\
      ldq $2,32($17)                                  \n\
      xor $22,$24,$24                                 \n\
                                                \n\
      ldq $3,32($18)                                  \n\
      ldq $4,32($19)                                  \n\
      ldq $5,32($20)                                  \n\
      xor $25,$27,$27         # 8 cycles from $27 load      \n\
                                                \n\
      ldq $6,40($17)                                  \n\
      ldq $7,40($18)                                  \n\
      ldq $21,40($19)                                 \n\
      ldq $22,40($20)                                 \n\
                                                \n\
      stq $24,16($17)                                 \n\
      xor $0,$1,$1            # 9 cycles from $1 load       \n\
      xor $2,$3,$3            # 5 cycles from $3 load       \n\
      xor $27,$1,$1                                   \n\
                                                \n\
      stq $1,24($17)                                  \n\
      xor $4,$5,$5            # 5 cycles from $5 load       \n\
      ldq $23,48($17)                                 \n\
      xor $3,$5,$5                                    \n\
                                                \n\
      ldq $24,48($18)                                 \n\
      ldq $25,48($19)                                 \n\
      ldq $27,48($20)                                 \n\
      ldq $0,56($17)                                  \n\
                                                \n\
      ldq $1,56($18)                                  \n\
      ldq $2,56($19)                                  \n\
      ldq $3,56($20)                                  \n\
      xor $6,$7,$7            # 8 cycles from $6 load       \n\
                                                \n\
      ldq $31,256($17)                          \n\
      xor $21,$22,$22         # 8 cycles from $22 load      \n\
      ldq $31,256($18)                          \n\
      xor $7,$22,$22                                  \n\
                                                \n\
      ldq $31,256($19)                          \n\
      xor $23,$24,$24         # 6 cycles from $24 load      \n\
      ldq $31,256($20)                          \n\
      xor $25,$27,$27         # 6 cycles from $27 load      \n\
                                                \n\
      stq $5,32($17)                                  \n\
      xor $24,$27,$27                                 \n\
      xor $0,$1,$1            # 7 cycles from $1 load       \n\
      xor $2,$3,$3            # 6 cycles from $3 load       \n\
                                                \n\
      stq $22,40($17)                                 \n\
      xor $1,$3,$3                                    \n\
      stq $27,48($17)                                 \n\
      subq $16,1,$16                                  \n\
                                                \n\
      stq $3,56($17)                                  \n\
      addq $20,64,$20                                 \n\
      addq $19,64,$19                                 \n\
      addq $18,64,$18                                 \n\
                                                \n\
      addq $17,64,$17                                 \n\
      bgt $16,4b                                \n\
      ret                                       \n\
      .end xor_alpha_prefetch_4                       \n\
                                                \n\
      .align 3                                  \n\
      .ent xor_alpha_prefetch_5                       \n\
xor_alpha_prefetch_5:                                 \n\
      .prologue 0                               \n\
      srl $16, 6, $16                                 \n\
                                                \n\
      ldq $31, 0($17)                                 \n\
      ldq $31, 0($18)                                 \n\
      ldq $31, 0($19)                                 \n\
      ldq $31, 0($20)                                 \n\
      ldq $31, 0($21)                                 \n\
                                                \n\
      ldq $31, 64($17)                          \n\
      ldq $31, 64($18)                          \n\
      ldq $31, 64($19)                          \n\
      ldq $31, 64($20)                          \n\
      ldq $31, 64($21)                          \n\
                                                \n\
      ldq $31, 128($17)                         \n\
      ldq $31, 128($18)                         \n\
      ldq $31, 128($19)                         \n\
      ldq $31, 128($20)                         \n\
      ldq $31, 128($21)                         \n\
                                                \n\
      ldq $31, 192($17)                         \n\
      ldq $31, 192($18)                         \n\
      ldq $31, 192($19)                         \n\
      ldq $31, 192($20)                         \n\
      ldq $31, 192($21)                         \n\
      .align 4                                  \n\
5:                                              \n\
      ldq $0,0($17)                                   \n\
      ldq $1,0($18)                                   \n\
      ldq $2,0($19)                                   \n\
      ldq $3,0($20)                                   \n\
                                                \n\
      ldq $4,0($21)                                   \n\
      ldq $5,8($17)                                   \n\
      ldq $6,8($18)                                   \n\
      ldq $7,8($19)                                   \n\
                                                \n\
      ldq $22,8($20)                                  \n\
      ldq $23,8($21)                                  \n\
      ldq $24,16($17)                                 \n\
      ldq $25,16($18)                                 \n\
                                                \n\
      ldq $27,16($19)                                 \n\
      xor $0,$1,$1            # 6 cycles from $1 load       \n\
      ldq $28,16($20)                                 \n\
      xor $2,$3,$3            # 6 cycles from $3 load       \n\
                                                \n\
      ldq $0,16($21)                                  \n\
      xor $1,$3,$3                                    \n\
      ldq $1,24($17)                                  \n\
      xor $3,$4,$4            # 7 cycles from $4 load       \n\
                                                \n\
      stq $4,0($17)                                   \n\
      xor $5,$6,$6            # 7 cycles from $6 load       \n\
      xor $7,$22,$22          # 7 cycles from $22 load      \n\
      xor $6,$23,$23          # 7 cycles from $23 load      \n\
                                                \n\
      ldq $2,24($18)                                  \n\
      xor $22,$23,$23                                 \n\
      ldq $3,24($19)                                  \n\
      xor $24,$25,$25         # 8 cycles from $25 load      \n\
                                                \n\
      stq $23,8($17)                                  \n\
      xor $25,$27,$27         # 8 cycles from $27 load      \n\
      ldq $4,24($20)                                  \n\
      xor $28,$0,$0           # 7 cycles from $0 load       \n\
                                                \n\
      ldq $5,24($21)                                  \n\
      xor $27,$0,$0                                   \n\
      ldq $6,32($17)                                  \n\
      ldq $7,32($18)                                  \n\
                                                \n\
      stq $0,16($17)                                  \n\
      xor $1,$2,$2            # 6 cycles from $2 load       \n\
      ldq $22,32($19)                                 \n\
      xor $3,$4,$4            # 4 cycles from $4 load       \n\
                                                \n\
      ldq $23,32($20)                                 \n\
      xor $2,$4,$4                                    \n\
      ldq $24,32($21)                                 \n\
      ldq $25,40($17)                                 \n\
                                                \n\
      ldq $27,40($18)                                 \n\
      ldq $28,40($19)                                 \n\
      ldq $0,40($20)                                  \n\
      xor $4,$5,$5            # 7 cycles from $5 load       \n\
                                                \n\
      stq $5,24($17)                                  \n\
      xor $6,$7,$7            # 7 cycles from $7 load       \n\
      ldq $1,40($21)                                  \n\
      ldq $2,48($17)                                  \n\
                                                \n\
      ldq $3,48($18)                                  \n\
      xor $7,$22,$22          # 7 cycles from $22 load      \n\
      ldq $4,48($19)                                  \n\
      xor $23,$24,$24         # 6 cycles from $24 load      \n\
                                                \n\
      ldq $5,48($20)                                  \n\
      xor $22,$24,$24                                 \n\
      ldq $6,48($21)                                  \n\
      xor $25,$27,$27         # 7 cycles from $27 load      \n\
                                                \n\
      stq $24,32($17)                                 \n\
      xor $27,$28,$28         # 8 cycles from $28 load      \n\
      ldq $7,56($17)                                  \n\
      xor $0,$1,$1            # 6 cycles from $1 load       \n\
                                                \n\
      ldq $22,56($18)                                 \n\
      ldq $23,56($19)                                 \n\
      ldq $24,56($20)                                 \n\
      ldq $25,56($21)                                 \n\
                                                \n\
      ldq $31,256($17)                          \n\
      xor $28,$1,$1                                   \n\
      ldq $31,256($18)                          \n\
      xor $2,$3,$3            # 9 cycles from $3 load       \n\
                                                \n\
      ldq $31,256($19)                          \n\
      xor $3,$4,$4            # 9 cycles from $4 load       \n\
      ldq $31,256($20)                          \n\
      xor $5,$6,$6            # 8 cycles from $6 load       \n\
                                                \n\
      stq $1,40($17)                                  \n\
      xor $4,$6,$6                                    \n\
      xor $7,$22,$22          # 7 cycles from $22 load      \n\
      xor $23,$24,$24         # 6 cycles from $24 load      \n\
                                                \n\
      stq $6,48($17)                                  \n\
      xor $22,$24,$24                                 \n\
      ldq $31,256($21)                          \n\
      xor $24,$25,$25         # 8 cycles from $25 load      \n\
                                                \n\
      stq $25,56($17)                                 \n\
      subq $16,1,$16                                  \n\
      addq $21,64,$21                                 \n\
      addq $20,64,$20                                 \n\
                                                \n\
      addq $19,64,$19                                 \n\
      addq $18,64,$18                                 \n\
      addq $17,64,$17                                 \n\
      bgt $16,5b                                \n\
                                                \n\
      ret                                       \n\
      .end xor_alpha_prefetch_5                       \n\
");

static struct xor_block_template xor_block_alpha = {
      .name = "alpha",
      .do_2 = xor_alpha_2,
      .do_3 = xor_alpha_3,
      .do_4 = xor_alpha_4,
      .do_5 = xor_alpha_5,
};

static struct xor_block_template xor_block_alpha_prefetch = {
      .name = "alpha prefetch",
      .do_2 = xor_alpha_prefetch_2,
      .do_3 = xor_alpha_prefetch_3,
      .do_4 = xor_alpha_prefetch_4,
      .do_5 = xor_alpha_prefetch_5,
};

/* For grins, also test the generic routines.  */
#include <asm-generic/xor.h>

#undef XOR_TRY_TEMPLATES
#define XOR_TRY_TEMPLATES                       \
      do {                                \
            xor_speed(&xor_block_8regs);        \
            xor_speed(&xor_block_32regs);       \
            xor_speed(&xor_block_alpha);        \
            xor_speed(&xor_block_alpha_prefetch);     \
      } while (0)

/* Force the use of alpha_prefetch if EV6, as it is significantly
   faster in the cold cache case.  */
#define XOR_SELECT_TEMPLATE(FASTEST) \
      (implver() == IMPLVER_EV6 ? &xor_block_alpha_prefetch : FASTEST)

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