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