linux/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
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   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