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kernel/linux-rt-4.4.41/arch/arm64/include/asm/compiler.h 1.18 KB
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  /*
   * Based on arch/arm/include/asm/compiler.h
   *
   * Copyright (C) 2012 ARM Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  #ifndef __ASM_COMPILER_H
  #define __ASM_COMPILER_H
  
  /*
   * This is used to ensure the compiler did actually allocate the register we
   * asked it for some inline assembly sequences.  Apparently we can't trust the
   * compiler from one version to another so a bit of paranoia won't hurt.  This
   * string is meant to be concatenated with the inline asm string and will
   * cause compilation to stop on mismatch.  (for details, see gcc PR 15089)
   */
  #define __asmeq(x, y)  ".ifnc " x "," y " ; .err ; .endif
  \t"
  
  #endif	/* __ASM_COMPILER_H */