Hi Paul,

The ghc-users list might get you a quicker response to this sort of
question.

Maybe a good start would be to give us a listing of which files you've
modified so far.

Antoine

On Fri, Oct 14, 2011 at 4:49 PM, Paul Monday <paul.monday@parsci.com> wrote:

Alright, I wandered through some primtype issues, but I'm having another odd

problem as I try to define my own primop.  I've followed what the various

wiki pages have to offer

(primarily http://hackage.haskell.org/trac/ghc/wiki/AddingNewPrimitiveOperations and http://hackage.haskell.org/trac/ghc/wiki/Commentary/PrimOps)

without success.  I even unraveled my PrimOp to be, basically, an exact copy

of another PrimOp without luck.

The primop I'm attempting to add is now very, very simple and copies

FloatAddOp exactly so there must be an additional file I have to modify

before the primop is "completely" added.

./compiler/prelude/primops.txt.pp

primop   FloatVAddOp   "plusFloatVec#"      Dyadic

   Float# -> Float# -> Float#

   with commutable = True

./compiler/codeGen/CgPrimOp.hs

translateOp FloatVAddOp = Just (MO_F_Add W32)

The compiler error is below.  I have the feeling that an interface is not

being built somewhere … this must be a simple one but I can't find any

references to this error anywhere … has anyone seen this one before?????

"inplace/bin/ghc-stage1"   -H64m -O0 -fasm    -package-name ghc-7.3.20111007

-hide-all-packages -i -icompiler/basicTypes -icompiler/cmm

-icompiler/codeGen -icompiler/coreSyn -icompiler/deSugar -icompiler/ghci

-icompiler/hsSyn -icompiler/iface -icompiler/llvmGen -icompiler/main

-icompiler/nativeGen -icompiler/parser -icompiler/prelude

-icompiler/profiling -icompiler/rename -icompiler/simplCore

-icompiler/simplStg -icompiler/specialise -icompiler/stgSyn

-icompiler/stranal -icompiler/typecheck -icompiler/types -icompiler/utils

-icompiler/vectorise -icompiler/stage2/build -icompiler/stage2/build/autogen

-Icompiler/stage2/build -Icompiler/stage2/build/autogen

-Icompiler/../libffi/build/include -Icompiler/stage2

-Icompiler/../libraries/base/cbits -Icompiler/../libraries/base/include

-Icompiler/. -Icompiler/parser -Icompiler/utils   -optP-DGHCI -optP-include

-optPcompiler/stage2/build/autogen/cabal_macros.h -package Cabal-1.11.2

-package array-0.3.0.3 -package base-4.4.0.0 -package bin-package-db-0.0.0.0

-package bytestring-0.9.2.0 -package containers-0.4.2.0 -package

directory-1.1.0.1 -package filepath-1.2.0.1 -package hoopl-3.8.7.2 -package

hpc-0.5.1.0 -package old-time-1.0.0.7 -package process-1.1.0.0 -package

template-haskell-2.6.0.0 -package unix-2.5.0.0  -Wall

-fno-warn-name-shadowing -fno-warn-orphans -XHaskell98

-XNondecreasingIndentation -XCPP -XMagicHash -XUnboxedTuples -XPatternGuards

-XForeignFunctionInterface -XEmptyDataDecls -XTypeSynonymInstances

-XMultiParamTypeClasses -XFlexibleInstances -XRank2Types

-XScopedTypeVariables -XDeriveDataTypeable -DGHCI_TABLES_NEXT_TO_CODE

-DSTAGE=2 -O0 -fasm  -no-user-package-conf -rtsopts     -odir

compiler/stage2/build -hidir compiler/stage2/build -stubdir

compiler/stage2/build -hisuf hi -osuf  o -hcsuf hc -c

compiler/iface/BinIface.hs -o compiler/stage2/build/BinIface.o

ghc-stage1: panic! (the 'impossible' happened)

  (GHC version 7.3.20111007 for x86_64-unknown-linux):

applyTypeToArgs

    ghc-prim:GHC.Prim.sizeofMutableArray#{(w) v 91V} [gid[PrimOp]]

      @ e{tv i4L2} [tv] ds{v i4Lc} [lid] i#{v i4Lg} [lid]

    forall a{tv 12} [tv].

    ghc-prim:GHC.Prim.MutableArray#{(w) tc 31m}

      e{tv i4L2} [tv] a{tv 12} [tv]

    -> ghc-prim:GHC.Prim.Int#{(w) tc 3G}

Paul Monday

Parallel Scientific, LLC.

paul.monday@parsci.com

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