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authorJason Lowe-Power <jason@lowepower.com>2017-12-13 10:19:04 -0800
committerJason Lowe-Power <jason@lowepower.com>2017-12-14 00:27:59 +0000
commit5c41076bd7610d03431fd0dd89bd0fdc7f30d6bd (patch)
treeee24cdf5ea368fb808d0b6029313a163c375898b /src/dev/x86/pc.cc
parentf07d5069d86e31ecf195664850f79fb00c445bd3 (diff)
downloadgem5-5c41076bd7610d03431fd0dd89bd0fdc7f30d6bd.tar.xz
misc: Updates for gcc7.2 for x86
GCC 7.2 is much stricter than previous GCC versions. The following changes are needed: * There is now a warning if there is an implicit fallthrough between two case statments. C++17 adds the [[fallthrough]]; declaration. However, to support non C++17 standards (i.e., C++11), we use M5_FALLTHROUGH. M5_FALLTHROUGH checks for [[fallthrough]] compliant C++17 compiler and if that doesn't exist, it defaults to nothing (no older compilers generate warnings). * The above resulted in a couple of bugs that were found. This is noted in the review request on gerrit. * throw() for dynamic exception specification is deprecated * There were a couple of new uninitialized variable warnings * Can no longer perform bitwise operations on a bool. * Must now include <functional> for std::function * Compiler bug for void* lambda. Changed to auto as work around. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 Change-Id: I5d4c782a4e133fa4cdb119e35d9aff68c6e2958e Signed-off-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-on: https://gem5-review.googlesource.com/5802 Reviewed-by: Gabe Black <gabeblack@google.com>
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