[Git][ghc/ghc][wip/supersven/fix-foundation-test-shift-amounts] foundation test: Fix shift amount (#26248)
Sven Tennie pushed to branch wip/supersven/fix-foundation-test-shift-amounts at Glasgow Haskell Compiler / GHC Commits: 9ed60877 by Sven Tennie at 2025-08-27T19:06:18+02:00 foundation test: Fix shift amount (#26248) Shift primops' results are only defined for shift amounts of 0 to word size - 1. This has been partly vipe coded: https://github.com/supersven/ghc/pull/1 - - - - - 3 changed files: - testsuite/tests/numeric/should_run/foundation.hs - utils/genprimopcode/Main.hs - utils/genprimopcode/Syntax.hs Changes: ===================================== testsuite/tests/numeric/should_run/foundation.hs ===================================== @@ -24,7 +24,7 @@ module Main ( main ) where -import Data.Bits (Bits((.&.), bit)) +import Data.Bits (Bits((.&.), bit), finiteBitSize) import Data.Word import Data.Int import GHC.Natural @@ -133,6 +133,52 @@ newtype NonZero a = NonZero { getNonZero :: a } instance (Arbitrary a, Num a, Eq a) => Arbitrary (NonZero a) where arbitrary = nonZero +-- | A newtype for shift amounts that are bounded by word size +newtype BoundedShift a = BoundedShift { getBoundedShift :: Int } + deriving (Eq,Ord,Show) + +-- | Generate shift amounts bounded by the word size for each type +boundedShift8 :: Gen (BoundedShift Int8) +boundedShift8 = do + x <- arbitrary + return $ BoundedShift (abs x `mod` 8) + +boundedShift16 :: Gen (BoundedShift Int16) +boundedShift16 = do + x <- arbitrary + return $ BoundedShift (abs x `mod` 16) + +boundedShift32 :: Gen (BoundedShift Int32) +boundedShift32 = do + x <- arbitrary + return $ BoundedShift (abs x `mod` 32) + +boundedShift64 :: Gen (BoundedShift Int64) +boundedShift64 = do + x <- arbitrary + return $ BoundedShift (abs x `mod` 64) + +boundedShiftWord :: Gen (BoundedShift Int) +boundedShiftWord = do + x <- arbitrary + return $ BoundedShift (abs x `mod` finiteBitSize (undefined :: Word)) + +-- Arbitrary instances for BoundedShift types to work with lambda patterns +instance Arbitrary (BoundedShift Int8) where + arbitrary = boundedShift8 + +instance Arbitrary (BoundedShift Int16) where + arbitrary = boundedShift16 + +instance Arbitrary (BoundedShift Int32) where + arbitrary = boundedShift32 + +instance Arbitrary (BoundedShift Int64) where + arbitrary = boundedShift64 + +instance Arbitrary (BoundedShift Int) where + arbitrary = boundedShiftWord + instance Arbitrary Natural where arbitrary = integralDownsize . (`mod` 10000) . abs <$> arbitraryInt64 @@ -395,6 +441,10 @@ class TestPrimop f where testPrimopDivLike :: String -> f -> f -> Test testPrimopDivLike _ _ _ = error "Div testing not supported for this type." + -- | Special test method for shift operations that bounds the shift amount + testPrimopShift :: String -> f -> f -> Test + testPrimopShift _ _ _ = error "Shift testing not supported for this type." + {- instance TestPrimop (Int# -> Int# -> Int#) where testPrimop s l r = Property s $ \(uInt -> a1) (uInt -> a2) -> (wInt (l a1 a2)) === wInt (r a1 a2) @@ -460,9 +510,9 @@ testPrimops = Group "primop" , testPrimopDivLike "quotInt8#" Primop.quotInt8# Wrapper.quotInt8# , testPrimopDivLike "remInt8#" Primop.remInt8# Wrapper.remInt8# , testPrimopDivLike "quotRemInt8#" Primop.quotRemInt8# Wrapper.quotRemInt8# - , testPrimop "uncheckedShiftLInt8#" Primop.uncheckedShiftLInt8# Wrapper.uncheckedShiftLInt8# - , testPrimop "uncheckedShiftRAInt8#" Primop.uncheckedShiftRAInt8# Wrapper.uncheckedShiftRAInt8# - , testPrimop "uncheckedShiftRLInt8#" Primop.uncheckedShiftRLInt8# Wrapper.uncheckedShiftRLInt8# + , testPrimopShift "uncheckedShiftLInt8#" Primop.uncheckedShiftLInt8# Wrapper.uncheckedShiftLInt8# + , testPrimopShift "uncheckedShiftRAInt8#" Primop.uncheckedShiftRAInt8# Wrapper.uncheckedShiftRAInt8# + , testPrimopShift "uncheckedShiftRLInt8#" Primop.uncheckedShiftRLInt8# Wrapper.uncheckedShiftRLInt8# , testPrimop "int8ToWord8#" Primop.int8ToWord8# Wrapper.int8ToWord8# , testPrimop "eqInt8#" Primop.eqInt8# Wrapper.eqInt8# , testPrimop "geInt8#" Primop.geInt8# Wrapper.geInt8# @@ -482,8 +532,8 @@ testPrimops = Group "primop" , testPrimop "orWord8#" Primop.orWord8# Wrapper.orWord8# , testPrimop "xorWord8#" Primop.xorWord8# Wrapper.xorWord8# , testPrimop "notWord8#" Primop.notWord8# Wrapper.notWord8# - , testPrimop "uncheckedShiftLWord8#" Primop.uncheckedShiftLWord8# Wrapper.uncheckedShiftLWord8# - , testPrimop "uncheckedShiftRLWord8#" Primop.uncheckedShiftRLWord8# Wrapper.uncheckedShiftRLWord8# + , testPrimopShift "uncheckedShiftLWord8#" Primop.uncheckedShiftLWord8# Wrapper.uncheckedShiftLWord8# + , testPrimopShift "uncheckedShiftRLWord8#" Primop.uncheckedShiftRLWord8# Wrapper.uncheckedShiftRLWord8# , testPrimop "word8ToInt8#" Primop.word8ToInt8# Wrapper.word8ToInt8# , testPrimop "eqWord8#" Primop.eqWord8# Wrapper.eqWord8# , testPrimop "geWord8#" Primop.geWord8# Wrapper.geWord8# @@ -500,9 +550,9 @@ testPrimops = Group "primop" , testPrimopDivLike "quotInt16#" Primop.quotInt16# Wrapper.quotInt16# , testPrimopDivLike "remInt16#" Primop.remInt16# Wrapper.remInt16# , testPrimopDivLike "quotRemInt16#" Primop.quotRemInt16# Wrapper.quotRemInt16# - , testPrimop "uncheckedShiftLInt16#" Primop.uncheckedShiftLInt16# Wrapper.uncheckedShiftLInt16# - , testPrimop "uncheckedShiftRAInt16#" Primop.uncheckedShiftRAInt16# Wrapper.uncheckedShiftRAInt16# - , testPrimop "uncheckedShiftRLInt16#" Primop.uncheckedShiftRLInt16# Wrapper.uncheckedShiftRLInt16# + , testPrimopShift "uncheckedShiftLInt16#" Primop.uncheckedShiftLInt16# Wrapper.uncheckedShiftLInt16# + , testPrimopShift "uncheckedShiftRAInt16#" Primop.uncheckedShiftRAInt16# Wrapper.uncheckedShiftRAInt16# + , testPrimopShift "uncheckedShiftRLInt16#" Primop.uncheckedShiftRLInt16# Wrapper.uncheckedShiftRLInt16# , testPrimop "int16ToWord16#" Primop.int16ToWord16# Wrapper.int16ToWord16# , testPrimop "eqInt16#" Primop.eqInt16# Wrapper.eqInt16# , testPrimop "geInt16#" Primop.geInt16# Wrapper.geInt16# @@ -522,8 +572,8 @@ testPrimops = Group "primop" , testPrimop "orWord16#" Primop.orWord16# Wrapper.orWord16# , testPrimop "xorWord16#" Primop.xorWord16# Wrapper.xorWord16# , testPrimop "notWord16#" Primop.notWord16# Wrapper.notWord16# - , testPrimop "uncheckedShiftLWord16#" Primop.uncheckedShiftLWord16# Wrapper.uncheckedShiftLWord16# - , testPrimop "uncheckedShiftRLWord16#" Primop.uncheckedShiftRLWord16# Wrapper.uncheckedShiftRLWord16# + , testPrimopShift "uncheckedShiftLWord16#" Primop.uncheckedShiftLWord16# Wrapper.uncheckedShiftLWord16# + , testPrimopShift "uncheckedShiftRLWord16#" Primop.uncheckedShiftRLWord16# Wrapper.uncheckedShiftRLWord16# , testPrimop "word16ToInt16#" Primop.word16ToInt16# Wrapper.word16ToInt16# , testPrimop "eqWord16#" Primop.eqWord16# Wrapper.eqWord16# , testPrimop "geWord16#" Primop.geWord16# Wrapper.geWord16# @@ -540,9 +590,9 @@ testPrimops = Group "primop" , testPrimopDivLike "quotInt32#" Primop.quotInt32# Wrapper.quotInt32# , testPrimopDivLike "remInt32#" Primop.remInt32# Wrapper.remInt32# , testPrimopDivLike "quotRemInt32#" Primop.quotRemInt32# Wrapper.quotRemInt32# - , testPrimop "uncheckedShiftLInt32#" Primop.uncheckedShiftLInt32# Wrapper.uncheckedShiftLInt32# - , testPrimop "uncheckedShiftRAInt32#" Primop.uncheckedShiftRAInt32# Wrapper.uncheckedShiftRAInt32# - , testPrimop "uncheckedShiftRLInt32#" Primop.uncheckedShiftRLInt32# Wrapper.uncheckedShiftRLInt32# + , testPrimopShift "uncheckedShiftLInt32#" Primop.uncheckedShiftLInt32# Wrapper.uncheckedShiftLInt32# + , testPrimopShift "uncheckedShiftRAInt32#" Primop.uncheckedShiftRAInt32# Wrapper.uncheckedShiftRAInt32# + , testPrimopShift "uncheckedShiftRLInt32#" Primop.uncheckedShiftRLInt32# Wrapper.uncheckedShiftRLInt32# , testPrimop "int32ToWord32#" Primop.int32ToWord32# Wrapper.int32ToWord32# , testPrimop "eqInt32#" Primop.eqInt32# Wrapper.eqInt32# , testPrimop "geInt32#" Primop.geInt32# Wrapper.geInt32# @@ -562,8 +612,8 @@ testPrimops = Group "primop" , testPrimop "orWord32#" Primop.orWord32# Wrapper.orWord32# , testPrimop "xorWord32#" Primop.xorWord32# Wrapper.xorWord32# , testPrimop "notWord32#" Primop.notWord32# Wrapper.notWord32# - , testPrimop "uncheckedShiftLWord32#" Primop.uncheckedShiftLWord32# Wrapper.uncheckedShiftLWord32# - , testPrimop "uncheckedShiftRLWord32#" Primop.uncheckedShiftRLWord32# Wrapper.uncheckedShiftRLWord32# + , testPrimopShift "uncheckedShiftLWord32#" Primop.uncheckedShiftLWord32# Wrapper.uncheckedShiftLWord32# + , testPrimopShift "uncheckedShiftRLWord32#" Primop.uncheckedShiftRLWord32# Wrapper.uncheckedShiftRLWord32# , testPrimop "word32ToInt32#" Primop.word32ToInt32# Wrapper.word32ToInt32# , testPrimop "eqWord32#" Primop.eqWord32# Wrapper.eqWord32# , testPrimop "geWord32#" Primop.geWord32# Wrapper.geWord32# @@ -579,9 +629,9 @@ testPrimops = Group "primop" , testPrimop "timesInt64#" Primop.timesInt64# Wrapper.timesInt64# , testPrimopDivLike "quotInt64#" Primop.quotInt64# Wrapper.quotInt64# , testPrimopDivLike "remInt64#" Primop.remInt64# Wrapper.remInt64# - , testPrimop "uncheckedIShiftL64#" Primop.uncheckedIShiftL64# Wrapper.uncheckedIShiftL64# - , testPrimop "uncheckedIShiftRA64#" Primop.uncheckedIShiftRA64# Wrapper.uncheckedIShiftRA64# - , testPrimop "uncheckedIShiftRL64#" Primop.uncheckedIShiftRL64# Wrapper.uncheckedIShiftRL64# + , testPrimopShift "uncheckedIShiftL64#" Primop.uncheckedIShiftL64# Wrapper.uncheckedIShiftL64# + , testPrimopShift "uncheckedIShiftRA64#" Primop.uncheckedIShiftRA64# Wrapper.uncheckedIShiftRA64# + , testPrimopShift "uncheckedIShiftRL64#" Primop.uncheckedIShiftRL64# Wrapper.uncheckedIShiftRL64# , testPrimop "int64ToWord64#" Primop.int64ToWord64# Wrapper.int64ToWord64# , testPrimop "eqInt64#" Primop.eqInt64# Wrapper.eqInt64# , testPrimop "geInt64#" Primop.geInt64# Wrapper.geInt64# @@ -600,8 +650,8 @@ testPrimops = Group "primop" , testPrimop "or64#" Primop.or64# Wrapper.or64# , testPrimop "xor64#" Primop.xor64# Wrapper.xor64# , testPrimop "not64#" Primop.not64# Wrapper.not64# - , testPrimop "uncheckedShiftL64#" Primop.uncheckedShiftL64# Wrapper.uncheckedShiftL64# - , testPrimop "uncheckedShiftRL64#" Primop.uncheckedShiftRL64# Wrapper.uncheckedShiftRL64# + , testPrimopShift "uncheckedShiftL64#" Primop.uncheckedShiftL64# Wrapper.uncheckedShiftL64# + , testPrimopShift "uncheckedShiftRL64#" Primop.uncheckedShiftRL64# Wrapper.uncheckedShiftRL64# , testPrimop "word64ToInt64#" Primop.word64ToInt64# Wrapper.word64ToInt64# , testPrimop "eqWord64#" Primop.eqWord64# Wrapper.eqWord64# , testPrimop "geWord64#" Primop.geWord64# Wrapper.geWord64# @@ -632,9 +682,9 @@ testPrimops = Group "primop" , testPrimop "<=#" (Primop.<=#) (Wrapper.<=#) , testPrimop "chr#" Primop.chr# Wrapper.chr# , testPrimop "int2Word#" Primop.int2Word# Wrapper.int2Word# - , testPrimop "uncheckedIShiftL#" Primop.uncheckedIShiftL# Wrapper.uncheckedIShiftL# - , testPrimop "uncheckedIShiftRA#" Primop.uncheckedIShiftRA# Wrapper.uncheckedIShiftRA# - , testPrimop "uncheckedIShiftRL#" Primop.uncheckedIShiftRL# Wrapper.uncheckedIShiftRL# + , testPrimopShift "uncheckedIShiftL#" Primop.uncheckedIShiftL# Wrapper.uncheckedIShiftL# + , testPrimopShift "uncheckedIShiftRA#" Primop.uncheckedIShiftRA# Wrapper.uncheckedIShiftRA# + , testPrimopShift "uncheckedIShiftRL#" Primop.uncheckedIShiftRL# Wrapper.uncheckedIShiftRL# , testPrimop "plusWord#" Primop.plusWord# Wrapper.plusWord# , testPrimop "addWordC#" Primop.addWordC# Wrapper.addWordC# , testPrimop "subWordC#" Primop.subWordC# Wrapper.subWordC# @@ -649,8 +699,8 @@ testPrimops = Group "primop" , testPrimop "or#" Primop.or# Wrapper.or# , testPrimop "xor#" Primop.xor# Wrapper.xor# , testPrimop "not#" Primop.not# Wrapper.not# - , testPrimop "uncheckedShiftL#" Primop.uncheckedShiftL# Wrapper.uncheckedShiftL# - , testPrimop "uncheckedShiftRL#" Primop.uncheckedShiftRL# Wrapper.uncheckedShiftRL# + , testPrimopShift "uncheckedShiftL#" Primop.uncheckedShiftL# Wrapper.uncheckedShiftL# + , testPrimopShift "uncheckedShiftRL#" Primop.uncheckedShiftRL# Wrapper.uncheckedShiftRL# , testPrimop "word2Int#" Primop.word2Int# Wrapper.word2Int# , testPrimop "gtWord#" Primop.gtWord# Wrapper.gtWord# , testPrimop "geWord#" Primop.geWord# Wrapper.geWord# @@ -709,6 +759,7 @@ instance TestPrimop (Char# -> Int#) where instance TestPrimop (Int# -> Int# -> Int#) where testPrimop s l r = Property s $ \ (uInt#-> x0) (uInt#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) testPrimopDivLike s l r = Property s $ twoNonZero $ \ (uInt#-> x0) (uInt#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uInt#-> x0) (BoundedShift shift :: BoundedShift Int) -> wInt# (l x0 (uInt# shift)) === wInt# (r x0 (uInt# shift)) instance TestPrimop (Int# -> Int# -> (# Int#,Int# #)) where testPrimop s l r = Property s $ \ (uInt#-> x0) (uInt#-> x1) -> WTUP2(wInt#,wInt#, (l x0 x1)) === WTUP2(wInt#,wInt#, (r x0 x1)) @@ -741,6 +792,7 @@ instance TestPrimop (Int# -> Word#) where instance TestPrimop (Int16# -> Int# -> Int16#) where testPrimop s l r = Property s $ \ (uInt16#-> x0) (uInt#-> x1) -> wInt16# (l x0 x1) === wInt16# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uInt16#-> x0) (BoundedShift shift :: BoundedShift Int16) -> wInt16# (l x0 (uInt# shift)) === wInt16# (r x0 (uInt# shift)) instance TestPrimop (Int16# -> Int16# -> Int#) where testPrimop s l r = Property s $ \ (uInt16#-> x0) (uInt16#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -765,6 +817,7 @@ instance TestPrimop (Int16# -> Word16#) where instance TestPrimop (Int32# -> Int# -> Int32#) where testPrimop s l r = Property s $ \ (uInt32#-> x0) (uInt#-> x1) -> wInt32# (l x0 x1) === wInt32# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uInt32#-> x0) (BoundedShift shift :: BoundedShift Int32) -> wInt32# (l x0 (uInt# shift)) === wInt32# (r x0 (uInt# shift)) instance TestPrimop (Int32# -> Int32# -> Int#) where testPrimop s l r = Property s $ \ (uInt32#-> x0) (uInt32#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -789,6 +842,7 @@ instance TestPrimop (Int32# -> Word32#) where instance TestPrimop (Int64# -> Int# -> Int64#) where testPrimop s l r = Property s $ \ (uInt64#-> x0) (uInt#-> x1) -> wInt64# (l x0 x1) === wInt64# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uInt64#-> x0) (BoundedShift shift :: BoundedShift Int64) -> wInt64# (l x0 (uInt# shift)) === wInt64# (r x0 (uInt# shift)) instance TestPrimop (Int64# -> Int64# -> Int#) where testPrimop s l r = Property s $ \ (uInt64#-> x0) (uInt64#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -809,6 +863,7 @@ instance TestPrimop (Int64# -> Word64#) where instance TestPrimop (Int8# -> Int# -> Int8#) where testPrimop s l r = Property s $ \ (uInt8#-> x0) (uInt#-> x1) -> wInt8# (l x0 x1) === wInt8# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uInt8#-> x0) (BoundedShift shift :: BoundedShift Int8) -> wInt8# (l x0 (uInt# shift)) === wInt8# (r x0 (uInt# shift)) instance TestPrimop (Int8# -> Int8# -> Int#) where testPrimop s l r = Property s $ \ (uInt8#-> x0) (uInt8#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -833,6 +888,7 @@ instance TestPrimop (Int8# -> Word8#) where instance TestPrimop (Word# -> Int# -> Word#) where testPrimop s l r = Property s $ \ (uWord#-> x0) (uInt#-> x1) -> wWord# (l x0 x1) === wWord# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uWord#-> x0) (BoundedShift shift :: BoundedShift Int) -> wWord# (l x0 (uInt# shift)) === wWord# (r x0 (uInt# shift)) instance TestPrimop (Word# -> Word# -> Int#) where testPrimop s l r = Property s $ \ (uWord#-> x0) (uWord#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -870,6 +926,7 @@ instance TestPrimop (Word# -> Word8#) where instance TestPrimop (Word16# -> Int# -> Word16#) where testPrimop s l r = Property s $ \ (uWord16#-> x0) (uInt#-> x1) -> wWord16# (l x0 x1) === wWord16# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uWord16#-> x0) (BoundedShift shift :: BoundedShift Int16) -> wWord16# (l x0 (uInt# shift)) === wWord16# (r x0 (uInt# shift)) instance TestPrimop (Word16# -> Word16# -> Int#) where testPrimop s l r = Property s $ \ (uWord16#-> x0) (uWord16#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -894,6 +951,7 @@ instance TestPrimop (Word16# -> Word16#) where instance TestPrimop (Word32# -> Int# -> Word32#) where testPrimop s l r = Property s $ \ (uWord32#-> x0) (uInt#-> x1) -> wWord32# (l x0 x1) === wWord32# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uWord32#-> x0) (BoundedShift shift :: BoundedShift Int32) -> wWord32# (l x0 (uInt# shift)) === wWord32# (r x0 (uInt# shift)) instance TestPrimop (Word32# -> Word32# -> Int#) where testPrimop s l r = Property s $ \ (uWord32#-> x0) (uWord32#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -918,6 +976,7 @@ instance TestPrimop (Word32# -> Word32#) where instance TestPrimop (Word64# -> Int# -> Word64#) where testPrimop s l r = Property s $ \ (uWord64#-> x0) (uInt#-> x1) -> wWord64# (l x0 x1) === wWord64# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uWord64#-> x0) (BoundedShift shift :: BoundedShift Int64) -> wWord64# (l x0 (uInt# shift)) === wWord64# (r x0 (uInt# shift)) instance TestPrimop (Word64# -> Word64# -> Int#) where testPrimop s l r = Property s $ \ (uWord64#-> x0) (uWord64#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) @@ -938,6 +997,7 @@ instance TestPrimop (Word64# -> Word64#) where instance TestPrimop (Word8# -> Int# -> Word8#) where testPrimop s l r = Property s $ \ (uWord8#-> x0) (uInt#-> x1) -> wWord8# (l x0 x1) === wWord8# (r x0 x1) + testPrimopShift s l r = Property s $ \ (uWord8#-> x0) (BoundedShift shift :: BoundedShift Int8) -> wWord8# (l x0 (uInt# shift)) === wWord8# (r x0 (uInt# shift)) instance TestPrimop (Word8# -> Word8# -> Int#) where testPrimop s l r = Property s $ \ (uWord8#-> x0) (uWord8#-> x1) -> wInt# (l x0 x1) === wInt# (r x0 x1) ===================================== utils/genprimopcode/Main.hs ===================================== @@ -705,12 +705,16 @@ gen_foundation_tests (Info _ entries) mkInstances inst_ty = let test_lambda = "\\ " ++ intercalate " " (zipWith mkArg [0::Int ..] (arg_tys)) ++ " -> " ++ mk_body "l" ++ " === " ++ mk_body "r" + shift_lambda = "\\ " ++ mkArg (0::Int) (head arg_tys) ++ " (BoundedShift shift :: BoundedShift " ++ shiftBoundType (head arg_tys) ++ ") -> " ++ mk_shift_body "l" ++ " === " ++ mk_shift_body "r" in unlines $ [ "instance TestPrimop (" ++ pprTy inst_ty ++ ") where" , " testPrimop s l r = Property s $ " ++ test_lambda ] ++ (if mb_divable_tys then [" testPrimopDivLike s l r = Property s $ twoNonZero $ " ++ test_lambda] else []) + ++ (if mb_shiftable_tys + then [" testPrimopShift s l r = Property s $ " ++ shift_lambda] + else []) where arg_tys = args inst_ty -- eg Int -> Int -> a @@ -718,7 +722,14 @@ gen_foundation_tests (Info _ entries) [ty1,ty2] -> ty1 == ty2 && ty1 `elem` divableTyCons _ -> False + -- eg SomeType# -> Int# -> SomeType# + mb_shiftable_tys = case arg_tys of + [ty1,"Int#"] -> let res_type = getResultType inst_ty + in ty1 == res_type && ty1 `elem` shiftableTyCons + _ -> False + mk_body s = res_ty inst_ty (" (" ++ s ++ " " ++ intercalate " " vs ++ ")") + mk_shift_body s = res_ty inst_ty (" (" ++ s ++ " x0 (uInt# shift))") vs = zipWith (\n _ -> "x" ++ show n) [0::Int ..] (arg_tys) @@ -761,6 +772,8 @@ gen_foundation_tests (Info _ entries) , (testable (ty po)) = let testPrimOpHow = if is_divLikeOp po then "testPrimopDivLike" + else if is_shiftLikeOp po + then "testPrimopShift" else "testPrimop" qualOp qualification = let qName = wrap qualification poName @@ -784,6 +797,27 @@ gen_foundation_tests (Info _ entries) testableTyCon _ = False divableTyCons = ["Int#", "Word#", "Word8#", "Word16#", "Word32#", "Word64#" ,"Int8#", "Int16#", "Int32#", "Int64#"] + shiftableTyCons = ["Int#", "Word#", "Word8#", "Word16#", "Word32#", "Word64#" + ,"Int8#", "Int16#", "Int32#", "Int64#"] + + shiftBoundType :: String -> String + shiftBoundType "Int8#" = "Int8" + shiftBoundType "Int16#" = "Int16" + shiftBoundType "Int32#" = "Int32" + shiftBoundType "Int64#" = "Int64" + shiftBoundType "Word8#" = "Int8" -- Word8 uses Int8 bound + shiftBoundType "Word16#" = "Int16" -- Word16 uses Int16 bound + shiftBoundType "Word32#" = "Int32" -- Word32 uses Int32 bound + shiftBoundType "Word64#" = "Int64" -- Word64 uses Int64 bound + shiftBoundType "Int#" = "Int" + shiftBoundType "Word#" = "Int" -- Word uses Int bound + shiftBoundType t = error $ "shiftBoundType: unknown type " ++ t + + getResultType :: Ty -> String + getResultType (TyF _ t2) = getResultType t2 + getResultType (TyApp (TyCon c) []) = c + getResultType (TyUTup _) = "" -- Unboxed tuples can't be shift operations + getResultType t = error $ "getResultType: unexpected type " ++ pprTy t mb_defined_bits :: Entry -> Maybe Word mb_defined_bits op@(PrimOpSpec{}) = ===================================== utils/genprimopcode/Syntax.hs ===================================== @@ -1,6 +1,6 @@ module Syntax where -import Data.List (nub) +import Data.List (nub, isInfixOf) ------------------------------------------------------------------ -- Abstract syntax ----------------------------------------------- @@ -66,6 +66,21 @@ is_divLikeOp entry = case entry of Just (OptionTrue{}) -> True _ -> False +is_shiftLikeOp :: Entry -> Bool +is_shiftLikeOp entry = case entry of + PrimOpSpec{} -> has_shift_like + PseudoOpSpec{} -> has_shift_like + PrimVecOpSpec{} -> has_shift_like + PrimTypeSpec{} -> False + PrimVecTypeSpec{} -> False + Section{} -> False + where + has_shift_like = case entry of + PrimOpSpec { name = n } -> "Shift" `Data.List.isInfixOf` n + PseudoOpSpec { name = n } -> "Shift" `Data.List.isInfixOf` n + PrimVecOpSpec { name = n } -> "Shift" `Data.List.isInfixOf` n + _ -> False + -- a binding of property to value data Option = OptionFalse String -- name = False View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/9ed60877eeae5f76adc06b1b6f9628ce... -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/9ed60877eeae5f76adc06b1b6f9628ce... 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Sven Tennie (＠supersven)