Lines Matching +full:1 +full:- +full:v0

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
16  * 32 bits of 0s to the end - this matches what a CRC does. We just
28 #include <asm/ppc-opcode.h>
66 	std	r31,-8(r1)
67 	std	r30,-16(r1)
68 	std	r29,-24(r1)
69 	std	r28,-32(r1)
70 	std	r27,-40(r1)
71 	std	r26,-48(r1)
72 	std	r25,-56(r1)
101 	vspltisw v0,-1
103 	vsldoi	mask_32bit,zeroes,v0,4
104 	vsldoi	mask_64bit,zeroes,v0,8
127 1:	lis	r7,MAX_SIZE@h
141 	 * data - 128 / 16 = 8
148 	addi	r7,r7,-1
156 	/* zero v0-v7 which will contain our checksums */
157 	vxor	v0,v0,v0
170 	 * already in v16-v23.
172 	cmpdi	r0,1
248 	 * to complete - first iteration load, second iteration vpmsum, third
256 	vxor	v0,v0,v8
313 	vxor	v0,v0,v8
347 	vxor	v0,v0,v8
363 	vsldoi	v0,v0,zeroes,4
393 	vxor	v16,v0,v8
402 	li	r0,1
405 	bne	1b
422 	lvx	v0,0,r3
432 	VPMSUMW(v0,v16,v0)
441 	/* Now reduce the tail (0 - 112 bytes) */
443 	beq	1f
449 	vxor	v0,v0,v16
450 	bdz	1f
456 	vxor	v0,v0,v16
457 	bdz	1f
463 	vxor	v0,v0,v16
464 	bdz	1f
470 	vxor	v0,v0,v16
471 	bdz	1f
477 	vxor	v0,v0,v16
478 	bdz	1f
484 	vxor	v0,v0,v16
485 	bdz	1f
491 	vxor	v0,v0,v16
494 1:	vxor	v0,v0,v1
499 	vxor	v0,v0,v2
502 	vxor	v0,v0,v4
511 	vsldoi	v1,v0,v0,8
512 	vxor	v0,v0,v1		/* xor two 64 bit results together */
516 	vspltisb v1,1
517 	vsl	v0,v0,v1
520 	vand	v0,v0,mask_64bit
528 	VPMSUMD(v1,v0,const1)	/* ma */
531 	vxor	v0,v0,v1	/* a - qn, subtraction is xor in GF(2) */
535 	 * V0 [ 0 1 2 X ]
536 	 * V0 [ 0 X 2 3 ]
538 	vsldoi	v0,v0,zeroes,8	/* shift result into top 64 bits */
544 	 * our vector registers goes from 0-63 instead of 63-0. We can reflect
547 	vand	v1,v0,mask_32bit	/* bottom 32 bits of a */
551 	vxor	v0,v0,v1		/* a - qn, subtraction is xor in GF(2) */
556 	 * V0 [ 0 1 X 3 ]
557 	 * V0 [ 0 X 2 3 ]
559 	vsldoi	v0,v0,zeroes,4		/* shift result into top 64 bits of */
563 	MFVRD(R3, v0)
580 	ld	r31,-8(r1)
581 	ld	r30,-16(r1)
582 	ld	r29,-24(r1)
583 	ld	r28,-32(r1)
584 	ld	r27,-40(r1)
585 	ld	r26,-48(r1)
586 	ld	r25,-56(r1)
622 	lvx	v0,0,r4
624 	VPERM(v0,v0,v16,byteswap)
625 	vxor	v0,v0,v8	/* xor in initial value */
626 	VPMSUMW(v0,v0,v16)
736 .Lv0:	vxor	v20,v20,v0
738 	vxor	v0,v19,v20