root/arch/alpha/include/asm/xor.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * include/asm-alpha/xor.h
 *
 * Optimized RAID-5 checksumming functions for alpha EV5 and EV6
 */

extern void
xor_alpha_2(unsigned long bytes, unsigned long * __restrict p1,
            const unsigned long * __restrict p2);
extern void
xor_alpha_3(unsigned long bytes, unsigned long * __restrict p1,
            const unsigned long * __restrict p2,
            const unsigned long * __restrict p3);
extern void
xor_alpha_4(unsigned long bytes, unsigned long * __restrict p1,
            const unsigned long * __restrict p2,
            const unsigned long * __restrict p3,
            const unsigned long * __restrict p4);
extern void
xor_alpha_5(unsigned long bytes, unsigned long * __restrict p1,
            const unsigned long * __restrict p2,
            const unsigned long * __restrict p3,
            const unsigned long * __restrict p4,
            const unsigned long * __restrict p5);

extern void
xor_alpha_prefetch_2(unsigned long bytes, unsigned long * __restrict p1,
                     const unsigned long * __restrict p2);
extern void
xor_alpha_prefetch_3(unsigned long bytes, unsigned long * __restrict p1,
                     const unsigned long * __restrict p2,
                     const unsigned long * __restrict p3);
extern void
xor_alpha_prefetch_4(unsigned long bytes, unsigned long * __restrict p1,
                     const unsigned long * __restrict p2,
                     const unsigned long * __restrict p3,
                     const unsigned long * __restrict p4);
extern void
xor_alpha_prefetch_5(unsigned long bytes, unsigned long * __restrict p1,
                     const unsigned long * __restrict p2,
                     const unsigned long * __restrict p3,
                     const unsigned long * __restrict p4,
                     const unsigned long * __restrict p5);

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)