[project @ 1997-09-03 23:55:35 by sof]

not used

ghc/compiler/codeGen/CgCompInfo.lhs

-%
-% (c) The GRASP/AQUA Project, Glasgow University, 1992-1994
-%
-\section[CgCompInfo]{Info about this compilation}
-
-!!!!! THIS CODE MUST AGREE WITH SMinterface.h !!!!!!
-
-*** This SHOULD BE the only module that is CPP'd with "stgdefs.h" stuff.
-
-\begin{code}
-#include "HsVersions.h"
-
-module CgCompInfo (
---	uNFOLDING_USE_THRESHOLD,
---	uNFOLDING_CREATION_THRESHOLD,
---	uNFOLDING_OVERRIDE_THRESHOLD,
-	iNTERFACE_UNFOLD_THRESHOLD,
-	uNFOLDING_CHEAP_OP_COST,
-	uNFOLDING_DEAR_OP_COST,
-	uNFOLDING_NOREP_LIT_COST,
-	uNFOLDING_CON_DISCOUNT_WEIGHT,
-
-	mAX_SPEC_ALL_PTRS,
-	mAX_SPEC_ALL_NONPTRS,
-	mAX_SPEC_MIXED_FIELDS,
-	mAX_SPEC_SELECTEE_SIZE,
-
-	mIN_UPD_SIZE,
-	mIN_SIZE_NonUpdHeapObject,
-	mIN_SIZE_NonUpdStaticHeapObject,
-
-	mAX_FAMILY_SIZE_FOR_VEC_RETURNS,
-
-	sTD_UF_SIZE,	 cON_UF_SIZE,
-	sCC_STD_UF_SIZE, sCC_CON_UF_SIZE,
-	uF_RET,
-	uF_SUB,
-	uF_SUA,
-	uF_UPDATEE,
-	uF_COST_CENTRE,
-
-	mAX_Vanilla_REG,
-	mAX_Float_REG,
-	mAX_Double_REG,
-
-	mIN_BIG_TUPLE_SIZE,
-
-    	mIN_MP_INT_SIZE,
-	mP_STRUCT_SIZE,
-
-	oTHER_TAG, iND_TAG,	-- semi-tagging stuff
-
-	lIVENESS_R1,
-	lIVENESS_R2,
-	lIVENESS_R3,
-	lIVENESS_R4,
-	lIVENESS_R5,
-	lIVENESS_R6,
-	lIVENESS_R7,
-	lIVENESS_R8,
-
-	mAX_INTLIKE, mIN_INTLIKE,
-
-
-	spARelToInt,
-	spBRelToInt
-    ) where
-
--- This magical #include brings in all the everybody-knows-these magic
--- constants unfortunately, we need to be *explicit* about which one
--- we want; if we just hope a -I... will get the right one, we could
--- be in trouble.
-
-#include "../../includes/GhcConstants.h"
-
-CHK_Ubiq() -- debugging consistency check
-
-import Util
-\end{code}
-
-All pretty arbitrary:
-\begin{code}
--- uNFOLDING_USE_THRESHOLD	      = ( 3 :: Int)
--- uNFOLDING_CREATION_THRESHOLD  = (30 :: Int)
--- uNFOLDING_OVERRIDE_THRESHOLD  = ( 8 :: Int)
-
-iNTERFACE_UNFOLD_THRESHOLD    = (30 :: Int)
-uNFOLDING_CHEAP_OP_COST       = ( 1 :: Int)
-uNFOLDING_DEAR_OP_COST        = ( 4 :: Int)
-uNFOLDING_NOREP_LIT_COST      = ( 4 :: Int)
-uNFOLDING_CON_DISCOUNT_WEIGHT = ( 1 :: Int)
-\end{code}
-
-\begin{code}
-mAX_SPEC_ALL_PTRS	= (MAX_SPEC_ALL_PTRS :: Int)
-mAX_SPEC_ALL_NONPTRS	= (MAX_SPEC_ALL_NONPTRS :: Int)
-mAX_SPEC_MIXED_FIELDS	= (MAX_SPEC_OTHER_SIZE :: Int)
-mAX_SPEC_SELECTEE_SIZE	= (MAX_SPEC_SELECTEE_SIZE :: Int)
-
--- closure sizes: these do NOT include the header
-mIN_UPD_SIZE			= (MIN_UPD_SIZE::Int)
-mIN_SIZE_NonUpdHeapObject	= (MIN_NONUPD_SIZE::Int)
-mIN_SIZE_NonUpdStaticHeapObject	= (0::Int)
-\end{code}
-
-A completely random number:
-\begin{code}
-mIN_BIG_TUPLE_SIZE = (16::Int)
-\end{code}
-
-Sizes of gmp objects:
-\begin{code}
-mIN_MP_INT_SIZE = (MIN_MP_INT_SIZE :: Int)
-mP_STRUCT_SIZE = (MP_STRUCT_SIZE :: Int)
-\end{code}
-
-Constants for semi-tagging; the tags associated with the data
-constructors will start at 0 and go up.
-\begin{code}
-oTHER_TAG = (INFO_OTHER_TAG :: Integer)	-- (-1) unevaluated, probably
-iND_TAG	  = (INFO_IND_TAG   :: Integer) -- (-2) NOT USED, REALLY
-\end{code}
-
-Stuff for liveness masks:
-\begin{code}
-lIVENESS_R1	= (LIVENESS_R1 :: Int)
-lIVENESS_R2	= (LIVENESS_R2 :: Int)
-lIVENESS_R3	= (LIVENESS_R3 :: Int)
-lIVENESS_R4	= (LIVENESS_R4 :: Int)
-lIVENESS_R5	= (LIVENESS_R5 :: Int)
-lIVENESS_R6	= (LIVENESS_R6 :: Int)
-lIVENESS_R7	= (LIVENESS_R7 :: Int)
-lIVENESS_R8	= (LIVENESS_R8 :: Int)
-\end{code}
-
-\begin{code}
-mIN_INTLIKE, mAX_INTLIKE :: Integer	-- Only used to compare with (MachInt Integer)
-mIN_INTLIKE = MIN_INTLIKE
-mAX_INTLIKE = MAX_INTLIKE
-\end{code}
-
-\begin{code}
--- THESE ARE DIRECTION SENSITIVE!
-spARelToInt :: Int{-VirtualSpAOffset-} -> Int{-VirtualSpAOffset-} -> Int
-spBRelToInt :: Int{-VirtualSpBOffset-} -> Int{-VirtualSpBOffset-} -> Int
-
-spARelToInt spA off = spA - off -- equiv to: AREL(spA - off)
-spBRelToInt spB off = off - spB -- equiv to: BREL(spB - off)
-\end{code}
-
-A section of code-generator-related MAGIC CONSTANTS.
-\begin{code}
-mAX_FAMILY_SIZE_FOR_VEC_RETURNS = (MAX_VECTORED_RTN::Int)  -- pretty arbitrary
--- If you change this, you may need to change runtimes/standard/Update.lhc
-
--- The update frame sizes
-sTD_UF_SIZE	= (NOSCC_STD_UF_SIZE::Int)
-cON_UF_SIZE	= (NOSCC_CON_UF_SIZE::Int)
-
--- Same again, with profiling
-sCC_STD_UF_SIZE	= (SCC_STD_UF_SIZE::Int)
-sCC_CON_UF_SIZE	= (SCC_CON_UF_SIZE::Int)
-
--- Offsets in an update frame.  They don't change with profiling!
-uF_RET = (UF_RET::Int)
-uF_SUB = (UF_SUB::Int)
-uF_SUA = (UF_SUA::Int)
-uF_UPDATEE = (UF_UPDATEE::Int)
-uF_COST_CENTRE = (UF_COST_CENTRE::Int)
-\end{code}
-
-\begin{code}
-mAX_Vanilla_REG	= (MAX_VANILLA_REG :: Int)
-mAX_Float_REG	= (MAX_FLOAT_REG :: Int)
-mAX_Double_REG	= (MAX_DOUBLE_REG :: Int)
-\end{code}