diff options
| author | John Ericson <John.Ericson@Obsidian.Systems> | 2021-07-19 04:06:33 +0000 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-09-08 02:57:55 -0400 |
| commit | beef61351b240967b49169d27a9a19565cf3c4af (patch) | |
| tree | 7ef77954391b2babe2772144a5e37cc8d8b4231d /compiler/GHC/StgToCmm | |
| parent | 6ea9b3ee4454b87ecc017d89f131a80f57ef65aa (diff) | |
| download | haskell-beef61351b240967b49169d27a9a19565cf3c4af.tar.gz | |
Let LLVM and C handle > native size arithmetic
NCG needs to call slow FFI functions where we "borrow" the C compiler's
implementation, but there is no reason why we need to do that for LLVM,
or the unregisterized backend where everything is via C anyways!
Diffstat (limited to 'compiler/GHC/StgToCmm')
| -rw-r--r-- | compiler/GHC/StgToCmm/Prim.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/GHC/StgToCmm/Prim.hs b/compiler/GHC/StgToCmm/Prim.hs index ab1ac89576..dff86341b1 100644 --- a/compiler/GHC/StgToCmm/Prim.hs +++ b/compiler/GHC/StgToCmm/Prim.hs @@ -1707,6 +1707,8 @@ emitPrimOp dflags primop = case primop of -> PrimopCmmEmit opTranslate64 args mkMop callish = case platformWordSize platform of + -- LLVM and C `can handle larger than native size arithmetic natively. + _ | not ncg -> opTranslate args $ mkMop W64 PW4 -> opCallish args callish PW8 -> opTranslate args $ mkMop W64 |