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compute-runtime/common/compiler_support.h

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Convert FALLTHROUGH comments to C++17 [[fallthrough]] attribute Use conditionals and a macro to avoid provoking compilers that do not support this attribute. Adds a macro named CPP_ATTRIBUTE_FALLTHROUGH which is invoked right before a following case statement to declare that the intent is to fall through. Example: ... case xxx: ... CPP_ATTRIBUTE_FALLTHROUGH; case yyy: ... The gcc/clang alternative of adding comments that contain "FALLTHROUGH" suffers from the problem that *by default* ccache strips the comments so that they are not present for the real compilation. Change-Id: I77ddeb7dae46db8398b014a93f6a71bedc64ada9 Signed-off-by: Dale Stimson <dale.b.stimson@intel.com>
2018-02-11 11:46:02 +08:00
/*
Update copyright headers Updating files modified in 2018 only. Older files remain with old style copyright header Change-Id: Ic99f2e190ad74b4b7f2bd79dd7b9fa5fbe36ec92 Signed-off-by: Artur Harasimiuk <artur.harasimiuk@intel.com>
2018-09-18 15:11:08 +08:00
* Copyright (C) 2018 Intel Corporation
Convert FALLTHROUGH comments to C++17 [[fallthrough]] attribute Use conditionals and a macro to avoid provoking compilers that do not support this attribute. Adds a macro named CPP_ATTRIBUTE_FALLTHROUGH which is invoked right before a following case statement to declare that the intent is to fall through. Example: ... case xxx: ... CPP_ATTRIBUTE_FALLTHROUGH; case yyy: ... The gcc/clang alternative of adding comments that contain "FALLTHROUGH" suffers from the problem that *by default* ccache strips the comments so that they are not present for the real compilation. Change-Id: I77ddeb7dae46db8398b014a93f6a71bedc64ada9 Signed-off-by: Dale Stimson <dale.b.stimson@intel.com>
2018-02-11 11:46:02 +08:00
*
Update copyright headers Updating files modified in 2018 only. Older files remain with old style copyright header Change-Id: Ic99f2e190ad74b4b7f2bd79dd7b9fa5fbe36ec92 Signed-off-by: Artur Harasimiuk <artur.harasimiuk@intel.com>
2018-09-18 15:11:08 +08:00
* SPDX-License-Identifier: MIT
Convert FALLTHROUGH comments to C++17 [[fallthrough]] attribute Use conditionals and a macro to avoid provoking compilers that do not support this attribute. Adds a macro named CPP_ATTRIBUTE_FALLTHROUGH which is invoked right before a following case statement to declare that the intent is to fall through. Example: ... case xxx: ... CPP_ATTRIBUTE_FALLTHROUGH; case yyy: ... The gcc/clang alternative of adding comments that contain "FALLTHROUGH" suffers from the problem that *by default* ccache strips the comments so that they are not present for the real compilation. Change-Id: I77ddeb7dae46db8398b014a93f6a71bedc64ada9 Signed-off-by: Dale Stimson <dale.b.stimson@intel.com>
2018-02-11 11:46:02 +08:00
*
*/
#pragma once
#if !defined __has_cpp_attribute
#define CPP_ATTRIBUTE_FALLTHROUGH
#else
#if !__has_cpp_attribute(fallthrough)
#define CPP_ATTRIBUTE_FALLTHROUGH
#else
#define CPP_ATTRIBUTE_FALLTHROUGH [[fallthrough]]
#endif
#endif