xref: /linux/lib/crc/sparc/crc32c_asm.S (revision 9b2d720e8ac4b68043ef23820ff9210fa12ea50d)
1*9b2d720eSEric Biggers/* SPDX-License-Identifier: GPL-2.0 */
2*9b2d720eSEric Biggers#include <linux/linkage.h>
3*9b2d720eSEric Biggers#include <asm/opcodes.h>
4*9b2d720eSEric Biggers#include <asm/visasm.h>
5*9b2d720eSEric Biggers#include <asm/asi.h>
6*9b2d720eSEric Biggers
7*9b2d720eSEric BiggersENTRY(crc32c_sparc64)
8*9b2d720eSEric Biggers	/* %o0=crc32p, %o1=data_ptr, %o2=len */
9*9b2d720eSEric Biggers	VISEntryHalf
10*9b2d720eSEric Biggers	lda	[%o0] ASI_PL, %f1
11*9b2d720eSEric Biggers1:	ldd	[%o1], %f2
12*9b2d720eSEric Biggers	CRC32C(0,2,0)
13*9b2d720eSEric Biggers	subcc	%o2, 8, %o2
14*9b2d720eSEric Biggers	bne,pt	%icc, 1b
15*9b2d720eSEric Biggers	 add	%o1, 0x8, %o1
16*9b2d720eSEric Biggers	sta	%f1, [%o0] ASI_PL
17*9b2d720eSEric Biggers	VISExitHalf
18*9b2d720eSEric Biggers2:	retl
19*9b2d720eSEric Biggers	 nop
20*9b2d720eSEric BiggersENDPROC(crc32c_sparc64)
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