gcc-13-20220821 is now available
Snapshot gcc-13-20220821 is now available on https://gcc.gnu.org/pub/gcc/snapshots/13-20220821/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 13 git branch with the following options: git://gcc.gnu.org/git/gcc.git branch master revision d6a39c25c05c6ed5df8ce49eda719d17e40e29bb You'll find: gcc-13-20220821.tar.xz Complete GCC SHA256=527b22c4a7d6d6314805a6685d9f521cf8c638dc3618f938722dcfea711ae1d8 SHA1=acc0dd9aaa38c1bffa882a377bde0461d89cdac5 Diffs from 13-20220814 are available in the diffs/ subdirectory. When a particular snapshot is ready for public consumption the LATEST-13 link is updated and a message is sent to the gcc list. Please do not use a snapshot before it has been announced that way.
Re: New/improved warning option for padding bytes
On Fri, Aug 19, 2022 at 6:13 AM Jonas Rahlf via Gcc wrote: > > As a firmware developer I would appreciate a warning option about padding > bytes, but only for such cases where you can reduce the number of padding > bytes by rearranging the fields. > > The current -Wpadded warns about all padding bytes, which is annoying. > > The concept sounds simple: you rearrange all fields from large to small and > check if the size changed. > > The goal is to more easily optimize RAM/flash in space constrained systems. > > Jonas That sounds like bug 52981: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52981
