#9430: implement more arithmetic operations natively in the LLVM backend -------------------------------------+------------------------------------- Reporter: rwbarton | Owner: michalt Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler (LLVM) | Version: 7.9 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime | Test Case: performance bug | primops/should_run/T9430 Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by bgamari): Here is the current state of things as I understand them. ||= MachOp =||= LLVM construct =||= commit =|| || MO_Add2 || @llvm.uadd.with.overflow.* || b1d1c652908ecd7bfcf13cf2e5dd06ac7926992c/ghc || || MO_AddIntC || @llvm.sadd.with.overflow.* || b1d1c652908ecd7bfcf13cf2e5dd06ac7926992c/ghc || || MO_SubIntC || @llvm.ssub.with.overflow.* || b1d1c652908ecd7bfcf13cf2e5dd06ac7926992c/ghc || || MO_U_Mul2 || mul i64/i128? || TODO || || MO_U_QuotRem2 || udiv i64/i128? || 92f5385d8b2be50848a2496199a481f299f4b53a/ghc || -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9430#comment:14 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler