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-rw-r--r--compiler/GHC/StgToCmm/DataCon.hs17
-rw-r--r--compiler/GHC/StgToCmm/Prim.hs26
-rw-r--r--compiler/GHC/StgToCmm/Utils.hs6
3 files changed, 40 insertions, 9 deletions
diff --git a/compiler/GHC/StgToCmm/DataCon.hs b/compiler/GHC/StgToCmm/DataCon.hs
index 681f1461f1..18a8775cdd 100644
--- a/compiler/GHC/StgToCmm/DataCon.hs
+++ b/compiler/GHC/StgToCmm/DataCon.hs
@@ -102,6 +102,21 @@ cgTopRhsCon dflags id con args
nv_args_w_offsets) =
mkVirtHeapOffsetsWithPadding profile StdHeader (addArgReps args)
+ ; let
+ -- Decompose padding into units of length 8, 4, 2, or 1 bytes to
+ -- allow the implementation of mk_payload to use widthFromBytes,
+ -- which only handles these cases.
+ fix_padding (x@(Padding n off) : rest)
+ | n == 0 = fix_padding rest
+ | n `elem` [1,2,4,8] = x : fix_padding rest
+ | n > 8 = add_pad 8
+ | n > 4 = add_pad 4
+ | n > 2 = add_pad 2
+ | otherwise = add_pad 1
+ where add_pad m = Padding m off : fix_padding (Padding (n-m) (off+m) : rest)
+ fix_padding (x : rest) = x : fix_padding rest
+ fix_padding [] = []
+
mk_payload (Padding len _) = return (CmmInt 0 (widthFromBytes len))
mk_payload (FieldOff arg _) = do
amode <- getArgAmode arg
@@ -117,7 +132,7 @@ cgTopRhsCon dflags id con args
info_tbl = mkDataConInfoTable profile con True ptr_wds nonptr_wds
- ; payload <- mapM mk_payload nv_args_w_offsets
+ ; payload <- mapM mk_payload (fix_padding nv_args_w_offsets)
-- NB1: nv_args_w_offsets is sorted into ptrs then non-ptrs
-- NB2: all the amodes should be Lits!
-- TODO (osa): Why?
diff --git a/compiler/GHC/StgToCmm/Prim.hs b/compiler/GHC/StgToCmm/Prim.hs
index 625e76f085..4d13d3960c 100644
--- a/compiler/GHC/StgToCmm/Prim.hs
+++ b/compiler/GHC/StgToCmm/Prim.hs
@@ -1195,8 +1195,8 @@ emitPrimOp dflags primop = case primop of
-- Int8# signed ops
- Int8Extend -> \args -> opTranslate args (MO_SS_Conv W8 (wordWidth platform))
- Int8Narrow -> \args -> opTranslate args (MO_SS_Conv (wordWidth platform) W8)
+ Int8ExtendOp -> \args -> opTranslate args (MO_SS_Conv W8 (wordWidth platform))
+ Int8NarrowOp -> \args -> opTranslate args (MO_SS_Conv (wordWidth platform) W8)
Int8NegOp -> \args -> opTranslate args (MO_S_Neg W8)
Int8AddOp -> \args -> opTranslate args (MO_Add W8)
Int8SubOp -> \args -> opTranslate args (MO_Sub W8)
@@ -1213,8 +1213,8 @@ emitPrimOp dflags primop = case primop of
-- Word8# unsigned ops
- Word8Extend -> \args -> opTranslate args (MO_UU_Conv W8 (wordWidth platform))
- Word8Narrow -> \args -> opTranslate args (MO_UU_Conv (wordWidth platform) W8)
+ Word8ExtendOp -> \args -> opTranslate args (MO_UU_Conv W8 (wordWidth platform))
+ Word8NarrowOp -> \args -> opTranslate args (MO_UU_Conv (wordWidth platform) W8)
Word8NotOp -> \args -> opTranslate args (MO_Not W8)
Word8AddOp -> \args -> opTranslate args (MO_Add W8)
Word8SubOp -> \args -> opTranslate args (MO_Sub W8)
@@ -1231,8 +1231,8 @@ emitPrimOp dflags primop = case primop of
-- Int16# signed ops
- Int16Extend -> \args -> opTranslate args (MO_SS_Conv W16 (wordWidth platform))
- Int16Narrow -> \args -> opTranslate args (MO_SS_Conv (wordWidth platform) W16)
+ Int16ExtendOp -> \args -> opTranslate args (MO_SS_Conv W16 (wordWidth platform))
+ Int16NarrowOp -> \args -> opTranslate args (MO_SS_Conv (wordWidth platform) W16)
Int16NegOp -> \args -> opTranslate args (MO_S_Neg W16)
Int16AddOp -> \args -> opTranslate args (MO_Add W16)
Int16SubOp -> \args -> opTranslate args (MO_Sub W16)
@@ -1249,8 +1249,8 @@ emitPrimOp dflags primop = case primop of
-- Word16# unsigned ops
- Word16Extend -> \args -> opTranslate args (MO_UU_Conv W16 (wordWidth platform))
- Word16Narrow -> \args -> opTranslate args (MO_UU_Conv (wordWidth platform) W16)
+ Word16ExtendOp -> \args -> opTranslate args (MO_UU_Conv W16 (wordWidth platform))
+ Word16NarrowOp -> \args -> opTranslate args (MO_UU_Conv (wordWidth platform) W16)
Word16NotOp -> \args -> opTranslate args (MO_Not W16)
Word16AddOp -> \args -> opTranslate args (MO_Add W16)
Word16SubOp -> \args -> opTranslate args (MO_Sub W16)
@@ -1265,6 +1265,16 @@ emitPrimOp dflags primop = case primop of
Word16LtOp -> \args -> opTranslate args (MO_U_Lt W16)
Word16NeOp -> \args -> opTranslate args (MO_Ne W16)
+-- Int32# signed ops
+
+ Int32ExtendOp -> \args -> opTranslate args (MO_SS_Conv W32 (wordWidth platform))
+ Int32NarrowOp -> \args -> opTranslate args (MO_SS_Conv (wordWidth platform) W32)
+
+-- Word32# unsigned ops
+
+ Word32ExtendOp -> \args -> opTranslate args (MO_UU_Conv W32 (wordWidth platform))
+ Word32NarrowOp -> \args -> opTranslate args (MO_UU_Conv (wordWidth platform) W32)
+
-- Char# ops
CharEqOp -> \args -> opTranslate args (MO_Eq (wordWidth platform))
diff --git a/compiler/GHC/StgToCmm/Utils.hs b/compiler/GHC/StgToCmm/Utils.hs
index dbb4481d72..8cca28cc5a 100644
--- a/compiler/GHC/StgToCmm/Utils.hs
+++ b/compiler/GHC/StgToCmm/Utils.hs
@@ -106,8 +106,14 @@ mkSimpleLit platform = \case
(wordWidth platform)
LitNullAddr -> zeroCLit platform
(LitNumber LitNumInt i) -> CmmInt i (wordWidth platform)
+ (LitNumber LitNumInt8 i) -> CmmInt i W8
+ (LitNumber LitNumInt16 i) -> CmmInt i W16
+ (LitNumber LitNumInt32 i) -> CmmInt i W32
(LitNumber LitNumInt64 i) -> CmmInt i W64
(LitNumber LitNumWord i) -> CmmInt i (wordWidth platform)
+ (LitNumber LitNumWord8 i) -> CmmInt i W8
+ (LitNumber LitNumWord16 i) -> CmmInt i W16
+ (LitNumber LitNumWord32 i) -> CmmInt i W32
(LitNumber LitNumWord64 i) -> CmmInt i W64
(LitFloat r) -> CmmFloat r W32
(LitDouble r) -> CmmFloat r W64