arch/powerpc/include/asm/xor.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *
   4  * Copyright (C) IBM Corporation, 2012
   5  *
   6  * Author: Anton Blanchard <anton@au.ibm.com>
   7  */
   8 #ifndef _ASM_POWERPC_XOR_H
   9 #define _ASM_POWERPC_XOR_H
  10
  11 #ifdef CONFIG_ALTIVEC
  12
  13 #include <asm/cputable.h>
  14 #include <asm/cpu_has_feature.h>
  15 #include <asm/xor_altivec.h>
  16
  17 static struct xor_block_template xor_block_altivec = {
  18         .name = "altivec",
  19         .do_2 = xor_altivec_2,
  20         .do_3 = xor_altivec_3,
  21         .do_4 = xor_altivec_4,
  22         .do_5 = xor_altivec_5,
  23 };
  24
  25 #define XOR_SPEED_ALTIVEC()                             \
  26         do {                                            \
  27                 if (cpu_has_feature(CPU_FTR_ALTIVEC))   \
  28                         xor_speed(&xor_block_altivec);  \
  29         } while (0)
  30 #else
  31 #define XOR_SPEED_ALTIVEC()
  32 #endif
  33
  34 /* Also try the generic routines. */
  35 #include <asm-generic/xor.h>
  36
  37 #undef XOR_TRY_TEMPLATES
  38 #define XOR_TRY_TEMPLATES                               \
  39 do {                                                    \
  40         xor_speed(&xor_block_8regs);                    \
  41         xor_speed(&xor_block_8regs_p);                  \
  42         xor_speed(&xor_block_32regs);                   \
  43         xor_speed(&xor_block_32regs_p);                 \
  44         XOR_SPEED_ALTIVEC();                            \
  45 } while (0)
  46
  47 #endif /* _ASM_POWERPC_XOR_H */