#9125: int-to-float conversion broken on ARM -------------------------------------+------------------------------------- Reporter: Ansible | Owner: Type: bug | Status: new Priority: highest | Milestone: 7.8.4 Component: Compiler | Version: 7.8.3 Resolution: | Keywords: Differential Revisions: | Operating System: Unknown/Multiple Architecture: arm | Type of failure: Incorrect result Difficulty: Unknown | at runtime Blocked By: | Test Case: Related Tickets: | Blocking: -------------------------------------+------------------------------------- Comment (by amurrayc): So here's a thing: On a hunch I switched the assignments of `r1` and `r2` in `stg_decodeFloatzuIntzh` so that it now reads {{{ r2 = W_[mp_tmp1]; r1 = W_[mp_tmp_w]; }}} with everything else the same. What do you know, {{{ let (m,e) = decodeFloat (29.0 :: Float) estr = printf "%#x" e putStrLn $ "(" ++ show m ++ ", " ++ estr ++ ")" }}} gives {{{ (-19, 0xe80000) }}} Does that give anyone any clues? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9125#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler