neither the linux elf nor Windows GHCi linkers (non-dynamic way) currently honor section alignment. so using SSE2 more aggressively would
#8949: switch -msse2 to be on by default --------------------------------------------+------------------------------ Reporter: errge | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.4.1 Component: Compiler (CodeGen) | Version: 7.9 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: x86 Type of failure: Runtime performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #13540 | Differential Rev(s): Wiki Page: | --------------------------------------------+------------------------------ Comment (by bgamari): Phyx points out in ticket:13540#comment:4 that, likely cause issues here. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8949#comment:10 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler