Re: [GHC] #989: Windows native port
#989: Windows native port --+- Reporter: simonmar | Owner: Type: task | Status: new Priority: normal| Milestone: Component: Compiler |Version: 6.7 Severity: normal| Resolution: Keywords:| Difficulty: Difficult (1 week) Testcase: N/A | Architecture: x86 Os: Windows | --+- Comment (by simonpj): Notes from Peter Tanski The only caveat would be that the free version of MASM (an add-on to Visual C++ Express) is licensed for non-commercial purposes only. Commercial Windows developers would have to purchase a full version of VC++. The most universal solution would be to restrict the syntax from the pretty-printer to use assembler directives and macros common to both MASM and IAS (Intel ASsembler), with some special attention to linker differences between the two. Here are a few notes on Task #989: * Task point 1: pretty printing MS/Intel asm syntax Most of this seems to be concentrated in compiler/nativeGen/ PprMach.hs, with a macro added to NCG.h. Depending on how much you want to interoperate directly with .NET and other non-C languages, the pretty-printer for assembly output may be only part of the work: we might add special COFF sections to compiler/ nativeGen/AsmCodeGen.lhs. * Task point 2: compiling via Microsoft's CL compiler Fun. Once we have gotten over point 4 (modifications to driver, build system, etc.). * Task point 3: drop dependencies on mingw32 functionality in the libraries Is there a Windows-version of readline, or a Windows-native version of readline available? Even if I don't finish the replacement-GMP library before this, if I recall correctly, GMP has a Windows-native version (as a DLL, no less). Are there any other library dependencies? Windows-native versions of Perl are available. * Task point 4: modifications to driver, build system, etc. driver: DOS batch file or Perl (GHC users will need Perl installed to run the mangler anyway); might also be a very small C program (especially if you want to have a splash screen when GHC starts up). build system: small but pervasive modifications for compiler dependencies, etc.; as a general cleanup matter it might be nice to organise these sorts of dependencies to add other compilers later. The one problem I think people will run into is setting up the paths in MSYS to use the Windows tools--not a GHC-support issue, really, but many questions will be raised about it so we might head them off with lots of build-documentation. There are several related points to this project: (1) for general Windows interoperability, GHC will need to produce DLLs, at least: .NET or other Microsoft languages, such as VB, cannot include foreign code from static libraries. (2) once GHC may produce more than one type of assembler output, would it be too much trouble to give it a cross-compiler option, say -arch i386 (compiler/nativeGen/PprMach.hs seems to use IF_ARCH_... statements) or the GCC option, -b i386v? A cross- compile option would probably require changing the compiler/utils/ Outputable.CodeStyle data constructor AsmStyle to contain several different sub-styles (Intel, ATnT) and clutter up the code in PprMach.hs, at least for i386_TARGET_ARCH. Of course floatToBytes and doubleToBytes (converting endianness to host byte order) would also have to change. (Note: the reference in PprMach.hs:2418 to PprAbs seems to refer to an old module, PprAbsC, which is no longer used, correct?) The easy, host-target-compiler-only solution might be to create a new macro, IF_OS_windows(x,y), in NCG.h and a new Ppr section for the MASM/Intel syntax in PprMach.hs. -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/989 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
[GHC] #994: add 'unsafeCoerce' to a standard location in the hierarchical libraries
#994: add 'unsafeCoerce' to a standard location in the hierarchical libraries --+- Reporter: [EMAIL PROTECTED] | Owner: Type: feature request| Status: new Priority: normal | Milestone: Component: libraries/base | Version: Severity: normal |Keywords: Difficulty: Easy (1 hr)|Testcase: Architecture: Unknown| Os: Unknown --+- Currently, all implementations provide either the 'unsafeCoerce' or 'unsafeCoerce#' functions, but they live in implementation-specific locations. This proposal is to adopt the Haskell'98-compatible name 'unsafeCoerce', and to add it to the standard base library package. Suggested location: Data.Function.Unsafe? -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/994 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
Re: [GHC] #994: add 'unsafeCoerce' to a standard location in the hierarchical libraries
#994: add 'unsafeCoerce' to a standard location in the hierarchical libraries ---+ Reporter: [EMAIL PROTECTED] | Owner: Type: proposal | Status: new Priority: normal | Milestone: Component: libraries/base |Version: Severity: normal | Resolution: Keywords: | Difficulty: Easy (1 hr) Testcase: | Architecture: Unknown Os: Unknown| ---+ Changes (by ross): * type: feature request = proposal -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/994 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
[GHC] #995: Needless call to fromInteger for literals
#995: Needless call to fromInteger for literals
-+--
Reporter: wolfgang | Owner:
Type: bug | Status: new
Priority: normal| Milestone:
Component: Compiler | Version: 6.7
Severity: minor |Keywords:
Difficulty: Unknown |Testcase:
Architecture: Multiple | Os: Multiple
-+--
For the code below, ghc 6.7 puts the literal 65 in a static closure (S#)
and calls fromInteger on it.
{{{
import Foreign.C ( CChar )
foreign import ccall putchar :: CChar - IO ()
main = putchar 65
}}}
GHC 6.7 generates the following code; note the static closure Main.lvl and
the call to fromInteger:
{{{
STG syntax:
Main.lvl = NO_CCS GHC.Num.S#! [65];
SRT(Main.lvl): []
Main.main =
\u []
case GHC.Int.fromInteger Main.lvl of ds_sSd {
GHC.Int.I8# ds1_sS2 -
let {
sat_sSf =
\r [ds2_sS3]
case __ccall_GC putchar [ds1_sS2 ds2_sS3] of
wild_sSe {
(##) ds3_sS7 - (#,#) [ds3_sS7 GHC.Base.()];
};
} in sat_sSf;
};
SRT(Main.main): []
:Main.main =
\r srt:(0,*bitmap*) [eta_sSc] GHC.TopHandler.runMainIO Main.main
eta_sSc;
SRT(:Main.main): [GHC.TopHandler.runMainIO, Main.main]
}}}
GHC 6.6 just passes the 65 to putchar as an unboxed constant.
--
Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/995
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Re: [GHC] #979: Adding on
#979: Adding on
+---
Reporter: nad | Owner:
Type: proposal| Status: closed
Priority: normal | Milestone:
Component: libraries/base |Version: 6.6
Severity: normal | Resolution: fixed
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Unknown |
+---
Changes (by nad):
* resolution: = fixed
* status: new = closed
Comment:
Proposal discussion summary:
* Consensus was reached that a module containing {{{on}}} plus some
functions from the prelude should be added.
* The module name {{{Control.Function}}} was not well received. A bunch
of other names were suggested, and almost everyone accepted
{{{Data.Function}}}.
* It was discussed whether {{{comparing}}} (i.e. {{{on compare}}}) and/or
{{{equating}}} ({{{on (==)}}}) should also be present in the libraries.
Consensus was reached that either both or none of them should be there,
and most people wanted to have them in the libraries. The function
{{{comparing}}} is already in the libraries, but not {{{equating}}}.
Complaints were raised about the name {{{equating}}}, though, and no
consensus was reached about an alternative name. Hence I leave the
{{{comparing}}}/{{{equating}}} discussion open for another proposal.
--
Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/979
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Re: [GHC] #349: Strange GADT behaviour
#349: Strange GADT behaviour -+-- Reporter: josefs | Owner: simonpj Type: bug | Status: assigned Priority: normal | Milestone: 6.8 Component: Compiler (Type checker) |Version: 6.4 Severity: normal | Resolution: None Keywords: | Difficulty: Unknown Testcase: gadt/josef | Architecture: Unknown Os: Unknown | -+-- Changes (by simonpj): * testcase: = gadt/josef -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/349 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
Re: [GHC] #994: add 'unsafeCoerce' to a standard location in the hierarchical libraries
#994: add 'unsafeCoerce' to a standard location in the hierarchical libraries ---+ Reporter: [EMAIL PROTECTED] | Owner: Type: proposal | Status: new Priority: normal | Milestone: Component: libraries/base |Version: Severity: normal | Resolution: Keywords: | Difficulty: Easy (1 hr) Testcase: | Architecture: Unknown Os: Unknown| ---+ Changes (by ross): * cc: [EMAIL PROTECTED] = libraries -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/994 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
Re: [GHC] #993: threaded RTS under pc-solaris does not work
#993: threaded RTS under pc-solaris does not work
+---
Reporter: [EMAIL PROTECTED] | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.6.1
Component: Runtime System |Version: 6.6
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: x86
Os: Solaris |
+---
Comment (by [EMAIL PROTECTED]):
I've linked the stage2 compiler of the HEAD with:
{{{ -threaded -debug -optl-L/usr/local/lib -optl-lbfd -optl-liberty -optl-
lintl }}}
and gdb showed the following location:
{{{
[New LWP 1]
[New LWP 2]
ghc-6.7: missing -Bdir option
[New LWP 3]
Program received signal SIGILL, Illegal instruction.
0x08ca8dc7 in scheduleDoGC (cap=0x0, task=0x8e275b8, force_major=rtsFalse)
at ../includes/SMP.h:105
105 __asm__ __volatile__ (
}}}
--
Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/993
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Re: [GHC] #349: Strange GADT behaviour
#349: Strange GADT behaviour -+-- Reporter: josefs | Owner: simonpj Type: bug | Status: closed Priority: normal | Milestone: 6.8 Component: Compiler (Type checker) |Version: 6.4 Severity: normal | Resolution: fixed Keywords: | Difficulty: Unknown Testcase: gadt/josef | Architecture: Unknown Os: Unknown | -+-- Changes (by simonpj): * resolution: None = fixed * status: assigned = closed Comment: This bug is fixed, now that I have added implication constraints to GHC. At least, the test program works fine in the HEAD. Simon -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/349 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
Re: [GHC] #345: GADT - fundep interaction
#345: GADT - fundep interaction -+-- Reporter: bring| Owner: simonpj Type: bug | Status: assigned Priority: normal | Milestone: 6.8 Component: Compiler (Type checker) |Version: 6.4 Severity: normal | Resolution: None Keywords: | Difficulty: Unknown Testcase: gadt-fd | Architecture: Unknown Os: Unknown | -+-- Comment (by simonpj): This one still doesn't work, even with the new implication-constraint machinery. It's a good example of the need for full-on equality constraints. Simon -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/345 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
Re: [GHC] #289: class context restrictions in GADT types not assumed
#289: class context restrictions in GADT types not assumed -+-- Reporter: ashley-y | Owner: simonpj Type: bug | Status: closed Priority: normal | Milestone: 6.8 Component: Compiler (Type checker) |Version: 6.4 Severity: normal | Resolution: fixed Keywords: | Difficulty: Unknown Testcase: | Architecture: Unknown Os: Unknown | -+-- Changes (by simonpj): * resolution: None = fixed * testcase: = * status: assigned = closed -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/289 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
Re: [GHC] #993: threaded RTS under pc-solaris does not work
#993: threaded RTS under pc-solaris does not work
+---
Reporter: [EMAIL PROTECTED] | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.6.1
Component: Runtime System |Version: 6.6
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: x86
Os: Solaris |
+---
Comment (by [EMAIL PROTECTED]):
commenting out (actually renaming) {{{i386_HOST_ARCH}}} in
{{{includes/SMP.h}}} fixes the illegal instruction problem! The first test
cases of the test-suite look good.
--
Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/993
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[GHC] #996: Add ranged sets
#996: Add ranged sets ---+ Reporter: pauljohnson | Owner: Type: proposal| Status: new Priority: normal | Milestone: Component: libraries/base | Version: 6.6 Severity: normal |Keywords: Difficulty: Unknown |Testcase: Architecture: Unknown | Os: Unknown ---+ Ranged sets represent sets of ordered values as lists of ranges. Each range has a lower and upper boundary, and for any value and boundary the value is either above or below the boundary: no value can ever sit on a boundary. There are also boundaries for +/- infinity (BoundaryBelowAll and BoundaryAboveAll). The upshot is that you can represent a set of reals such as [ 2.0 x = 3.4, 6.7 x] or a couple of encyclopedia volumes as: [a = x blob, goo = x hun] The usual set operators are provided. The library also does the Right Thing with adjacent values: [2 x = 3] Union [4 = x 5] == [2 x 5] [2.0 x = 3.0] Union [4.0 = x 5.0] == [2.0 x = 3.0, 4.0 = x 5.0] I've needed something like this more than once over the years, in various languages. Haskell is the first one that can actually do the Right Thing efficiently for a polymorphic type. The source contains Haddock comments and a comprehensive set of QuickCheck properties. I've integrated these into the documentation. So far I've tested this on GHC 6.4.1, although this patch is against the HEAD of the current libraries. If this patch is accepted I'll also add patches for ranged sets of times (e.g. the set of all times within the first Tuesday of each month), and to filter finite maps against ranged sets. -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/996 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler___ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
