/*
* 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)