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authorJohn Ericson <John.Ericson@Obsidian.Systems>2021-07-19 04:06:33 +0000
committerAndreas Klebinger <klebinger.andreas@gmx.at>2021-09-07 15:29:23 +0000
commit3a66747e1a6049ef8bd2285ccc53663db5de2cb8 (patch)
treea58b46d4bde5218e7b9d256fb4a88af16517d65a /compiler/GHC/CmmToLlvm/CodeGen.hs
parent2735f5a6103eb99e44776da0f5b9d35a18279cbc (diff)
downloadhaskell-wip/llvm-big-prim.tar.gz
Let LLVM and C handle > native size arithmeticwip/llvm-big-prim
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/CmmToLlvm/CodeGen.hs')
-rw-r--r--compiler/GHC/CmmToLlvm/CodeGen.hs60
1 files changed, 31 insertions, 29 deletions
diff --git a/compiler/GHC/CmmToLlvm/CodeGen.hs b/compiler/GHC/CmmToLlvm/CodeGen.hs
index dd2779ef71..b10b26d416 100644
--- a/compiler/GHC/CmmToLlvm/CodeGen.hs
+++ b/compiler/GHC/CmmToLlvm/CodeGen.hs
@@ -807,6 +807,8 @@ cmmPrimOpFunctions mop = do
intrinTy2 = "p0i8." ++ showSDoc dflags (ppr $ llvmWord platform)
unsupported = panic ("cmmPrimOpFunctions: " ++ show mop
++ " not supported here")
+ dontReach64 = panic ("cmmPrimOpFunctions: " ++ show mop
+ ++ " should be not be encountered because the regular primop for this 64-bit operation is used instead.")
return $ case mop of
MO_F32_Exp -> fsLit "expf"
@@ -911,35 +913,35 @@ cmmPrimOpFunctions mop = do
MO_Cmpxchg _ -> unsupported
MO_Xchg _ -> unsupported
- MO_I64_ToI -> fsLit "hs_int64ToInt"
- MO_I64_FromI -> fsLit "hs_intToInt64"
- MO_W64_ToW -> fsLit "hs_word64ToWord"
- MO_W64_FromW -> fsLit "hs_wordToWord64"
- MO_x64_Neg -> fsLit "hs_neg64"
- MO_x64_Add -> fsLit "hs_add64"
- MO_x64_Sub -> fsLit "hs_sub64"
- MO_x64_Mul -> fsLit "hs_mul64"
- MO_I64_Quot -> fsLit "hs_quotInt64"
- MO_I64_Rem -> fsLit "hs_remInt64"
- MO_W64_Quot -> fsLit "hs_quotWord64"
- MO_W64_Rem -> fsLit "hs_remWord64"
- MO_x64_And -> fsLit "hs_and64"
- MO_x64_Or -> fsLit "hs_or64"
- MO_x64_Xor -> fsLit "hs_xor64"
- MO_x64_Not -> fsLit "hs_not64"
- MO_x64_Shl -> fsLit "hs_uncheckedShiftL64"
- MO_I64_Shr -> fsLit "hs_uncheckedIShiftRA64"
- MO_W64_Shr -> fsLit "hs_uncheckedShiftRL64"
- MO_x64_Eq -> fsLit "hs_eq64"
- MO_x64_Ne -> fsLit "hs_ne64"
- MO_I64_Ge -> fsLit "hs_geInt64"
- MO_I64_Gt -> fsLit "hs_gtInt64"
- MO_I64_Le -> fsLit "hs_leInt64"
- MO_I64_Lt -> fsLit "hs_ltInt64"
- MO_W64_Ge -> fsLit "hs_geWord64"
- MO_W64_Gt -> fsLit "hs_gtWord64"
- MO_W64_Le -> fsLit "hs_leWord64"
- MO_W64_Lt -> fsLit "hs_ltWord64"
+ MO_I64_ToI -> dontReach64
+ MO_I64_FromI -> dontReach64
+ MO_W64_ToW -> dontReach64
+ MO_W64_FromW -> dontReach64
+ MO_x64_Neg -> dontReach64
+ MO_x64_Add -> dontReach64
+ MO_x64_Sub -> dontReach64
+ MO_x64_Mul -> dontReach64
+ MO_I64_Quot -> dontReach64
+ MO_I64_Rem -> dontReach64
+ MO_W64_Quot -> dontReach64
+ MO_W64_Rem -> dontReach64
+ MO_x64_And -> dontReach64
+ MO_x64_Or -> dontReach64
+ MO_x64_Xor -> dontReach64
+ MO_x64_Not -> dontReach64
+ MO_x64_Shl -> dontReach64
+ MO_I64_Shr -> dontReach64
+ MO_W64_Shr -> dontReach64
+ MO_x64_Eq -> dontReach64
+ MO_x64_Ne -> dontReach64
+ MO_I64_Ge -> dontReach64
+ MO_I64_Gt -> dontReach64
+ MO_I64_Le -> dontReach64
+ MO_I64_Lt -> dontReach64
+ MO_W64_Ge -> dontReach64
+ MO_W64_Gt -> dontReach64
+ MO_W64_Le -> dontReach64
+ MO_W64_Lt -> dontReach64
-- | Tail function calls