[PATCH] D53102: Support for the mno-tls-direct-seg-refs flag

[Kristina Brooks via Phabricator via cfe-commits]

kristina added a comment.

By the way, out of curiosity is this for anything specific (alternative libc or some user-mode-scheduling implementation)? Not nitpicking, just curious since it's an interesting topic in general and it's frustrating that the architecture is so limited in terms of registers that can be used for TLS/related data unlike newer ARM/ARM64 architectures.

Also FWIW `%gs` is generally free to use under x86_64 Linux which is where I usually place my thread control blocks which doesn't interfere with libc which uses `%fs`. (Just started build/test job, waiting on that for now)


https://reviews.llvm.org/D53102