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authorAustin Seipp <austin@well-typed.com>2014-07-18 22:22:59 -0500
committerAustin Seipp <austin@well-typed.com>2014-07-20 16:55:49 -0500
commit4173ae8699b3509a5aa9331c3036167db4cde480 (patch)
treea9c6e53c5bf847e014e0640511a65844aa259f1d
parentb5b1a2dbd9f6f8057317ba36a65416a6d3daf475 (diff)
downloadhaskell-4173ae8699b3509a5aa9331c3036167db4cde480.tar.gz
nativeGen: detabify/dewhitespace Size
Signed-off-by: Austin Seipp <austin@well-typed.com>
-rw-r--r--compiler/nativeGen/Size.hs95
1 files changed, 44 insertions, 51 deletions
diff --git a/compiler/nativeGen/Size.hs b/compiler/nativeGen/Size.hs
index 1b95ceb98b..8fe590f1e9 100644
--- a/compiler/nativeGen/Size.hs
+++ b/compiler/nativeGen/Size.hs
@@ -1,22 +1,15 @@
-{-# OPTIONS_GHC -fno-warn-tabs #-}
--- The above warning supression flag is a temporary kludge.
--- While working on this module you are encouraged to remove it and
--- detab the module (please do the detabbing in a separate patch). See
--- http://ghc.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#TabsvsSpaces
--- for details
-
-- | Sizes on this architecture
--- A Size is a combination of width and class
---
--- TODO: Rename this to "Format" instead of "Size" to reflect
--- the fact that it represents floating point vs integer.
+-- A Size is a combination of width and class
+--
+-- TODO: Rename this to "Format" instead of "Size" to reflect
+-- the fact that it represents floating point vs integer.
--
--- TODO: Signed vs unsigned?
+-- TODO: Signed vs unsigned?
--
--- TODO: This module is currenly shared by all architectures because
--- NCGMonad need to know about it to make a VReg. It would be better
--- to have architecture specific formats, and do the overloading
--- properly. eg SPARC doesn't care about FF80.
+-- TODO: This module is currenly shared by all architectures because
+-- NCGMonad need to know about it to make a VReg. It would be better
+-- to have architecture specific formats, and do the overloading
+-- properly. eg SPARC doesn't care about FF80.
--
module Size (
Size(..),
@@ -37,76 +30,76 @@ import Outputable
-- significance, here in the native code generator. You can change it
-- without global consequences.
--
--- A major use is as an opcode qualifier; thus the opcode
--- mov.l a b
--- might be encoded
--- MOV II32 a b
+-- A major use is as an opcode qualifier; thus the opcode
+-- mov.l a b
+-- might be encoded
+-- MOV II32 a b
-- where the Size field encodes the ".l" part.
-- ToDo: it's not clear to me that we need separate signed-vs-unsigned sizes
--- here. I've removed them from the x86 version, we'll see what happens --SDM
+-- here. I've removed them from the x86 version, we'll see what happens --SDM
-- ToDo: quite a few occurrences of Size could usefully be replaced by Width
data Size
- = II8
- | II16
- | II32
- | II64
- | FF32
- | FF64
- | FF80
- deriving (Show, Eq)
+ = II8
+ | II16
+ | II32
+ | II64
+ | FF32
+ | FF64
+ | FF80
+ deriving (Show, Eq)
-- | Get the integer size of this width.
intSize :: Width -> Size
intSize width
= case width of
- W8 -> II8
- W16 -> II16
- W32 -> II32
- W64 -> II64
- other -> pprPanic "Size.intSize" (ppr other)
+ W8 -> II8
+ W16 -> II16
+ W32 -> II32
+ W64 -> II64
+ other -> pprPanic "Size.intSize" (ppr other)
-- | Get the float size of this width.
floatSize :: Width -> Size
floatSize width
= case width of
- W32 -> FF32
- W64 -> FF64
- other -> pprPanic "Size.floatSize" (ppr other)
+ W32 -> FF32
+ W64 -> FF64
+ other -> pprPanic "Size.floatSize" (ppr other)
-- | Check if a size represents a floating point value.
isFloatSize :: Size -> Bool
isFloatSize size
= case size of
- FF32 -> True
- FF64 -> True
- FF80 -> True
- _ -> False
+ FF32 -> True
+ FF64 -> True
+ FF80 -> True
+ _ -> False
-- | Convert a Cmm type to a Size.
cmmTypeSize :: CmmType -> Size
-cmmTypeSize ty
- | isFloatType ty = floatSize (typeWidth ty)
- | otherwise = intSize (typeWidth ty)
+cmmTypeSize ty
+ | isFloatType ty = floatSize (typeWidth ty)
+ | otherwise = intSize (typeWidth ty)
-- | Get the Width of a Size.
sizeToWidth :: Size -> Width
sizeToWidth size
= case size of
- II8 -> W8
- II16 -> W16
- II32 -> W32
- II64 -> W64
- FF32 -> W32
- FF64 -> W64
- FF80 -> W80
+ II8 -> W8
+ II16 -> W16
+ II32 -> W32
+ II64 -> W64
+ FF32 -> W32
+ FF64 -> W64
+ FF80 -> W80
sizeInBytes :: Size -> Int
sizeInBytes = widthInBytes . sizeToWidth