linux/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
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   1/*
   2 * Copyright 2009 Freescale Semiconductor, Inc.
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License
   6 * as published by the Free Software Foundation; either version
   7 * 2 of the License, or (at your option) any later version.
   8 *
   9 * provides masks and opcode images for use by code generation, emulation
  10 * and for instructions that older assemblers might not know about
  11 */
  12#ifndef _ASM_POWERPC_PPC_OPCODE_H
  13#define _ASM_POWERPC_PPC_OPCODE_H
  14
  15
  16#  define stringify_in_c(...)   __VA_ARGS__
  17#  define ASM_CONST(x)          x
  18
  19
  20#define PPC_INST_VCMPEQUD_RC            0x100000c7
  21#define PPC_INST_VCMPEQUB_RC            0x10000006
  22
  23#define __PPC_RC21     (0x1 << 10)
  24
  25/* macros to insert fields into opcodes */
  26#define ___PPC_RA(a)    (((a) & 0x1f) << 16)
  27#define ___PPC_RB(b)    (((b) & 0x1f) << 11)
  28#define ___PPC_RS(s)    (((s) & 0x1f) << 21)
  29#define ___PPC_RT(t)    ___PPC_RS(t)
  30
  31#define VCMPEQUD_RC(vrt, vra, vrb)      stringify_in_c(.long PPC_INST_VCMPEQUD_RC | \
  32                              ___PPC_RT(vrt) | ___PPC_RA(vra) | \
  33                              ___PPC_RB(vrb) | __PPC_RC21)
  34
  35#define VCMPEQUB_RC(vrt, vra, vrb)      stringify_in_c(.long PPC_INST_VCMPEQUB_RC | \
  36                              ___PPC_RT(vrt) | ___PPC_RA(vra) | \
  37                              ___PPC_RB(vrb) | __PPC_RC21)
  38
  39#endif /* _ASM_POWERPC_PPC_OPCODE_H */
  40