[PATCH] D60456: [RISCV] Hard float ABI support

[Roger Ferrer Ibanez via Phabricator via cfe-commits]

rogfer01 added a comment.

> As noted in another comment, it's not entirely clear what zero-width bitfield behaviour to match (see here <https://github.com/riscv/riscv-elf-psabi-doc/issues/99#issuecomment-509233798>) as GCC seems buggy and the ABI is under-specified. Ideally I'd like to land this patch and follow-up to adjust the zero-width bitfield behaviour if necessary once that psABI issue is resolved.

Agreed, I presume the original intent in the psABI was to have C and C++ behave the same. We're siding with gcc in this patch but it should not be difficult to change if the psABI resolves this in favour of g++.


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