path: root/spec/rtems/basedefs/if/compiler-memory-barrier.yml

SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
brief: |
  This macro forbids the compiler to reorder read and write commands around it.
copyrights:
- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
definition:
  default: |
    do { } while ( 0 )
  variants:
  - definition: |
      ${/compiler/if/asm:/name} volatile( "" ::: "memory" )
    enabled-by:
    - defined(${/compiler/if/gnuc:/name})
description: null
enabled-by: true
interface-type: macro
links:
- role: interface-placement
  uid: header
- role: interface-ingroup
  uid: group
name: RTEMS_COMPILER_MEMORY_BARRIER
notes: null
params: []
return:
  return: null
  return-values: []
type: interface