[llvm-bugs] [Bug 33030] ARM: Builtins should use AAPCS ABI for non-windows platforms

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33030

Saleem Abdulrasool <compnerd at compnerd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #4 from Saleem Abdulrasool <compnerd at compnerd.org> ---
The ABI definition here is correct.  When targeting
`arm*-unknown-linux-gnueabi`, the CC should be `AAPCS`.  However, when
targeting `arm*-unknown-linux-gnueabihf` the CC should be `AAPCS VFP`.  We
adjust the CC in the backend during the ISelLowering setup.  FWIW, this matches
the behaviour of GCC, and is needed for compatibility.

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