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submodule updates: nofib, haddock
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This patch adds support for the s390x architecture for the LLVM code
generator. The patch includes a register mapping of STG registers onto
s390x machine registers which enables a registerised build.
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Unfortunately this will require more work; register allocation is
quite broken.
This reverts commit acd795583625401c5554f8e04ec7efca18814011.
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This adds support for constructing vector types from Float#, Double# etc
and performing arithmetic operations on them
Cleaned-Up-By: Ben Gamari <ben@well-typed.com>
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ghc-pkg needs to be aware of platforms so it can figure out which
subdire within the user package db to use. This is admittedly
roundabout, but maybe Cabal could use the same notion of a platform as
GHC to good affect too.
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This switches the compiler/ component to get compiled with
-XNoImplicitPrelude and a `import GhcPrelude` is inserted in all
modules.
This is motivated by the upcoming "Prelude" re-export of
`Semigroup((<>))` which would cause lots of name clashes in every
modulewhich imports also `Outputable`
Reviewers: austin, goldfire, bgamari, alanz, simonmar
Reviewed By: bgamari
Subscribers: goldfire, rwbarton, thomie, mpickering, bgamari
Differential Revision: https://phabricator.haskell.org/D3989
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Explicitly pass "--no-relax" on ArchSPARC64
(as ArchSPARC does) where gcc's default specs
set "-mrelax" which conflicts with "-Wl,-r".
Known architecture will also help extending
sparc NCG support 64-bit ABI.
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Sergei Trofimovich <siarheit@google.com>
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Extend the PowerPC 32-bit native code generator for "64-bit
PowerPC ELF Application Binary Interface Supplement 1.9" by
Ian Lance Taylor and "Power Architecture 64-Bit ELF V2 ABI Specification --
OpenPOWER ABI for Linux Supplement" by IBM.
The latter ABI is mainly used on POWER7/7+ and POWER8
Linux systems running in little-endian mode. The code generator
supports both static and dynamic linking. PowerPC 64-bit
code for ELF ABI 1.9 and 2 is mostly position independent
anyway, and thus so is all the code emitted by the code
generator. In other words, -fPIC does not make a difference.
rts/stg/SMP.h support is implemented.
Following the spirit of the introductory comment in
PPC/CodeGen.hs, the rest of the code is a straightforward
extension of the 32-bit implementation.
Limitations:
* Code is generated only in the medium code model, which
is also gcc's default
* Local symbols are not accessed directly, which seems to
also be the case for 32-bit
* LLVM does not work, but this does not work on 32-bit either
* Must use the system runtime linker in GHCi, because the
GHC linker for "static" object files (rts/Linker.c) for
PPC 64-bit is not implemented. The system runtime
(dynamic) linker works.
* The handling of the system stack (register 1) is not ELF-
compliant so stack traces break. Instead of allocating a new
stack frame, spill code should use the "official" spill area
in the current stack frame and deallocation code should restore
the back chain
* DWARF support is missing
Fixes #9863
Test Plan: validate (on powerpc, too)
Reviewers: simonmar, trofi, erikd, austin
Reviewed By: trofi
Subscribers: bgamari, arnons1, kgardas, thomie
Differential Revision: https://phabricator.haskell.org/D629
GHC Trac Issues: #9863
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In some cases, the layout of the LANGUAGE/OPTIONS_GHC lines has been
reorganized, while following the convention, to
- place `{-# LANGUAGE #-}` pragmas at the top of the source file, before
any `{-# OPTIONS_GHC #-}`-lines.
- Moreover, if the list of language extensions fit into a single
`{-# LANGUAGE ... -#}`-line (shorter than 80 characters), keep it on one
line. Otherwise split into `{-# LANGUAGE ... -#}`-lines for each
individual language extension. In both cases, try to keep the
enumeration alphabetically ordered.
(The latter layout is preferable as it's more diff-friendly)
While at it, this also replaces obsolete `{-# OPTIONS ... #-}` pragma
occurences by `{-# OPTIONS_GHC ... #-}` pragmas.
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Signed-off-by: Austin Seipp <austin@well-typed.com>
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This patch encompasses most of the basic infrastructure for GHCJS. It
includes:
* A new extension, -XJavaScriptFFI
* A new architecture, ArchJavaScript
* Parser and lexer support for 'foreign import javascript', only
available under -XJavaScriptFFI, using ArchJavaScript.
* As a knock-on, there is also a new 'WayCustom' constructor in
DynFlags, so clients of the GHC API can add custom 'tags' to their
built files. This should be useful for other users as well.
The remaining changes are really just the resulting fallout, making sure
all the cases are handled appropriately for DynFlags and Platform.
Authored-by: Luite Stegeman <stegeman@gmail.com>
Signed-off-by: Austin Seipp <aseipp@pobox.com>
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This reverts the compiler parts of
commit 7b594a5d7ac29972db39228e9c8b7f384313f39b
Author: David Terei <davidterei@gmail.com>
Date: Mon Nov 21 12:05:18 2011 -0800
Remove registerised code for dead architectures: mips, ia64, alpha,
hppa1, m68k
In particular, we want to know whether bewareLoadStoreAlignment should
return True or False for them.
It also reverts
commit 3fc68b5c356b39b2b52a86d953367d0021c13262
Author: Simon Marlow <marlowsd@gmail.com>
Date: Wed Jan 4 11:44:02 2012 +0000
Remove missing archs (mipseb, mipsel, alpha) (#5734)
It doesn't hurt to map these to ArchUnknown since we don't need to
know anything specific about them, and adding them would be a pain
(there are a bunch of places where we have to case-match on all the
arches to avoid warnings).
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HaskellMachRegs.h is no longer included in anything under compiler/
Also, includes/CodeGen.Platform.hs now includes "stg/MachRegs.h"
rather than <stg/MachRegs.h> which means that we always get the file
from the tree, rather than from the bootstrapping compiler.
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This patch enhances Platform's ArchARM to include ARM ABI value. It also
tweaks configure machinery to detect hard-float ABI and to set it wherever
needed. Finally when hard-float ABI is in use, pass appropriate compiler
option to the LLVM's llc. Fixes #5914.
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hppa1, m68k
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We only use it for "compiler" sources, i.e. not for libraries.
Many modules have a -fno-warn-tabs kludge for now.
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This reverts commit 2dea11a442e1d14d86fa661804de06a721943bf0.
On second thoughts, this does make sense, for unregisterised via-C
arches at least.
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It doesn't make sense. If platformArch is ArchUnknown then we don't know
the answer to any questions about the arch. So now if we don't recognise
the arch we just fail, and the new arch will need to be added to the
datatype.
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This patch enhances ArchARM with ARM ISA and ISA extensions details
as is suggested in the comment in Platform.hs file. The patch is needed
by future patch which will use ARM ISA information in order to pass
appropriate command-line option to the LLVM llc tool.
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Fixes more failures on arches without an NCG
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- nativeGen/Instruction defines a type class for a generic
instruction set. Each of the instruction sets we have,
X86, PPC and SPARC are instances of it.
- The register alloctors use this type class when they need
info about a certain register or instruction, such as
regUsage, mkSpillInstr, mkJumpInstr, patchRegs..
- nativeGen/Platform defines some data types enumerating
the architectures and operating systems supported by the
native code generator.
- DynFlags now keeps track of the current build platform, and
the PositionIndependentCode module uses this to decide what
to do instead of relying of #ifdefs.
- It's not totally retargetable yet. Some info info about the
build target is still hardwired, but I've tried to contain
most of it to a single module, TargetRegs.
- Moved the SPILL and RELOAD instructions into LiveInstr.
- Reg and RegClass now have their own modules, and are shared
across all architectures.
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