Re: [GHC] #9391: LLVM 3.2 crash (AVX messes up GHC calling convention)

#9391: LLVM 3.2 crash (AVX messes up GHC calling convention) -------------------------------------+------------------------------------- Reporter: scpmw | Owner: Type: bug | Status: patch Priority: normal | Milestone: 7.10.1 Component: Compiler | Version: 7.8.2 (LLVM) | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: MacOS X | Difficulty: Easy (less than 1 Type of failure: Runtime | hour) crash | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by Austin Seipp ): In [changeset:"c557f991a9fa6f6afad4850e4f5db6a08fa1cb6c/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="c557f991a9fa6f6afad4850e4f5db6a08fa1cb6c" Disable AVX for LLVM 3.2 by default (#9391) Due to a bug LLVM generates a C-like frame pointer prelude for functions that use AVX instructions. This causes programs using the GHC calling convention to crash, therefore we simply disable them. People that want to use AVX should consider upgrading to a more current LLVM version. Signed-off-by: Austin Seipp }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9391#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler