src/compiler.h

   1 // SPDX-License-Identifier: MIT
   2 /*
   3  * Copyright (C) 2024 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  */
   5
   6 #ifndef _SIDE_COMPILER_H
   7 #define _SIDE_COMPILER_H
   8
   9 #if defined(__x86_64__) || defined(__i386__)
  10 static inline
  11 void side_cpu_relax(void)
  12 {
  13         asm volatile ("rep; nop" : : : "memory");
  14 }
  15 #else
  16 //TODO: implement per-architecture busy loop "pause"/"rep; nop;" instruction.
  17 static inline
  18 void side_cpu_relax(void)
  19 {
  20         asm volatile ("" : : : "memory");
  21 }
  22 #endif
  23
  24 #endif /* _SIDE_COMPILER_H */