xref: /linux/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h (revision 702648721db590b3425c31ade294000e18808345)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright 2009 Freescale Semiconductor, Inc.
4  *
5  * provides masks and opcode images for use by code generation, emulation
6  * and for instructions that older assemblers might not know about
7  */
8 #ifndef _ASM_POWERPC_PPC_OPCODE_H
9 #define _ASM_POWERPC_PPC_OPCODE_H
10 
11 
12 #  define stringify_in_c(...)	__VA_ARGS__
13 #  define ASM_CONST(x)		x
14 
15 
16 #define PPC_INST_VCMPEQUD_RC		0x100000c7
17 #define PPC_INST_VCMPEQUB_RC		0x10000006
18 
19 #define __PPC_RC21     (0x1 << 10)
20 
21 /* macros to insert fields into opcodes */
22 #define ___PPC_RA(a)	(((a) & 0x1f) << 16)
23 #define ___PPC_RB(b)	(((b) & 0x1f) << 11)
24 #define ___PPC_RS(s)	(((s) & 0x1f) << 21)
25 #define ___PPC_RT(t)	___PPC_RS(t)
26 
27 #define VCMPEQUD_RC(vrt, vra, vrb)	stringify_in_c(.long PPC_INST_VCMPEQUD_RC | \
28 			      ___PPC_RT(vrt) | ___PPC_RA(vra) | \
29 			      ___PPC_RB(vrb) | __PPC_RC21)
30 
31 #define VCMPEQUB_RC(vrt, vra, vrb)	stringify_in_c(.long PPC_INST_VCMPEQUB_RC | \
32 			      ___PPC_RT(vrt) | ___PPC_RA(vra) | \
33 			      ___PPC_RB(vrb) | __PPC_RC21)
34 
35 #endif /* _ASM_POWERPC_PPC_OPCODE_H */
36