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

[Alex Bradbury via Phabricator via cfe-commits]

asb updated this revision to Diff 208392.
asb marked an inline comment as done.
asb added a comment.

Updated to address comment typo picked up by @rogfer01 (thanks!).

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.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60456/new/

https://reviews.llvm.org/D60456

Files:
  clang/lib/Basic/Targets/RISCV.cpp
  clang/lib/Basic/Targets/RISCV.h
  clang/lib/CodeGen/TargetInfo.cpp
  clang/test/CodeGen/riscv32-ilp32-ilp32f-abi.c
  clang/test/CodeGen/riscv32-ilp32-ilp32f-ilp32d-abi.c
  clang/test/CodeGen/riscv32-ilp32d-abi.c
  clang/test/CodeGen/riscv32-ilp32f-abi.c
  clang/test/CodeGen/riscv32-ilp32f-ilp32d-abi.c
  clang/test/CodeGen/riscv64-lp64-lp64f-abi.c
  clang/test/CodeGen/riscv64-lp64-lp64f-lp64d-abi.c
  clang/test/CodeGen/riscv64-lp64d-abi.c
  clang/test/CodeGen/riscv64-lp64f-lp64d-abi.c
  clang/test/Preprocessor/riscv-target-features.c

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