Re: [GHC] #8562: Builtin function __builtin___clear_cache is unavailable on GCC 4.2

#8562: Builtin function __builtin___clear_cache is unavailable on GCC 4.2 --------------------------------------------+------------------------------ Reporter: heatsink | Owner: simonmar Type: bug | Status: new Priority: normal | Milestone: Component: Runtime System | Version: 7.7 Resolution: | Keywords: Operating System: MacOS X | Architecture: x86_64 Type of failure: GHC doesn't work at all | (amd64) Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: #8561 --------------------------------------------+------------------------------ Comment (by Austin Seipp ): In [changeset:"9fbb8c788d4bdf091709778b42a1294bbdabef95/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="9fbb8c788d4bdf091709778b42a1294bbdabef95" Rejigger flushExec implementation (#8562, #8561) Instead, just don't do anything on x86/amd64, and on !x86, use either A) __clear_cache from libgcc, or B) sys_icache_invalidate for OS X (and iOS.) Signed-off-by: Austin Seipp }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8562#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler