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* Replace calls to `ptext . sLit` with `text`Jan Stolarek2016-01-181-36/+36
| | | | | | | | | | | | | | | | | | | | Summary: In the past the canonical way for constructing an SDoc string literal was the composition `ptext . sLit`. But for some time now we have function `text` that does the same. Plus it has some rules that optimize its runtime behaviour. This patch takes all uses of `ptext . sLit` in the compiler and replaces them with calls to `text`. The main benefits of this patch are clener (shorter) code and less dependencies between module, because many modules now do not need to import `FastString`. I don't expect any performance benefits - we mostly use SDocs to report errors and it seems there is little to be gained here. Test Plan: ./validate Reviewers: bgamari, austin, goldfire, hvr, alanz Subscribers: goldfire, thomie, mpickering Differential Revision: https://phabricator.haskell.org/D1784
* Add kind equalities to GHC.Richard Eisenberg2015-12-111-34/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements the ideas originally put forward in "System FC with Explicit Kind Equality" (ICFP'13). There are several noteworthy changes with this patch: * We now have casts in types. These change the kind of a type. See new constructor `CastTy`. * All types and all constructors can be promoted. This includes GADT constructors. GADT pattern matches take place in type family equations. In Core, types can now be applied to coercions via the `CoercionTy` constructor. * Coercions can now be heterogeneous, relating types of different kinds. A coercion proving `t1 :: k1 ~ t2 :: k2` proves both that `t1` and `t2` are the same and also that `k1` and `k2` are the same. * The `Coercion` type has been significantly enhanced. The documentation in `docs/core-spec/core-spec.pdf` reflects the new reality. * The type of `*` is now `*`. No more `BOX`. * Users can write explicit kind variables in their code, anywhere they can write type variables. For backward compatibility, automatic inference of kind-variable binding is still permitted. * The new extension `TypeInType` turns on the new user-facing features. * Type families and synonyms are now promoted to kinds. This causes trouble with parsing `*`, leading to the somewhat awkward new `HsAppsTy` constructor for `HsType`. This is dispatched with in the renamer, where the kind `*` can be told apart from a type-level multiplication operator. Without `-XTypeInType` the old behavior persists. With `-XTypeInType`, you need to import `Data.Kind` to get `*`, also known as `Type`. * The kind-checking algorithms in TcHsType have been significantly rewritten to allow for enhanced kinds. * The new features are still quite experimental and may be in flux. * TODO: Several open tickets: #11195, #11196, #11197, #11198, #11203. * TODO: Update user manual. Tickets addressed: #9017, #9173, #7961, #10524, #8566, #11142. Updates Haddock submodule.
* Fix inconsistent pretty-printing of type familiesMichał Sośnicki2015-11-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | After the changes, the three functions used to print type families were identical, so they are refactored into one. Original RHSs of data instance declarations are recreated and printed in user error messages. RHSs containing representation TyCons are printed in the Coercion Axioms section in a typechecker dump. Add vbar to the list of SDocs exported by Outputable. Replace all text "|" docs with it. Fixes #10839 Reviewers: goldfire, jstolarek, austin, bgamari Reviewed By: jstolarek Subscribers: jstolarek, thomie Differential Revision: https://phabricator.haskell.org/D1441 GHC Trac Issues: #10839
* Implement function-sections for Haskell code, #8405Simon Brenner2015-11-123-31/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds a flag -split-sections that does similar things to -split-objs, but using sections in single object files instead of relying on the Satanic Splitter and other abominations. This is very similar to the GCC flags -ffunction-sections and -fdata-sections. The --gc-sections linker flag, which allows unused sections to actually be removed, is added to all link commands (if the linker supports it) so that space savings from having base compiled with sections can be realized. Supported both in LLVM and the native code-gen, in theory for all architectures, but really tested on x86 only. In the GHC build, a new SplitSections variable enables -split-sections for relevant parts of the build. Test Plan: validate with both settings of SplitSections Reviewers: dterei, Phyx, austin, simonmar, thomie, bgamari Reviewed By: simonmar, thomie, bgamari Subscribers: hsyl20, erikd, kgardas, thomie Differential Revision: https://phabricator.haskell.org/D1242 GHC Trac Issues: #8405
* Add subWordC# on x86ishNikita Karetnikov2015-10-311-0/+1
| | | | | | | | | | | | | | | This adds a subWordC# primop which implements subtraction with overflow reporting. Reviewers: tibbe, goldfire, rwbarton, bgamari, austin, hvr Reviewed By: bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D1334 GHC Trac Issues: #10962
* Annotate CmmBranch with an optional likely targetSimon Marlow2015-09-231-3/+4
| | | | | | | | | | | | | | | | | Summary: This allows the code generator to give hints to later code generation steps about which branch is most likely to be taken. Right now it is only taken into account in one place: a special case in CmmContFlowOpt that swapped branches over to maximise the chance of fallthrough, which is now disabled when there is a likelihood setting. Test Plan: validate Reviewers: austin, simonpj, bgamari, ezyang, tibbe Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D1273
* Refactor: delete most of the module FastTypesThomas Miedema2015-08-211-23/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverses some of the work done in #1405, and goes back to the assumption that the bootstrap compiler understands GHC-haskell. In particular: * use MagicHash instead of _ILIT and _CLIT * pattern matching on I# if possible, instead of using iUnbox unnecessarily * use Int#/Char#/Addr# instead of the following type synonyms: - type FastInt = Int# - type FastChar = Char# - type FastPtr a = Addr# * inline the following functions: - iBox = I# - cBox = C# - fastChr = chr# - fastOrd = ord# - eqFastChar = eqChar# - shiftLFastInt = uncheckedIShiftL# - shiftR_FastInt = uncheckedIShiftRL# - shiftRLFastInt = uncheckedIShiftRL# * delete the following unused functions: - minFastInt - maxFastInt - uncheckedIShiftRA# - castFastPtr - panicDocFastInt and pprPanicFastInt * rename panicFastInt back to panic# These functions remain, since they actually do something: * iUnbox * bitAndFastInt * bitOrFastInt Test Plan: validate Reviewers: austin, bgamari Subscribers: rwbarton Differential Revision: https://phabricator.haskell.org/D1141 GHC Trac Issues: #1405
* Delete FastBoolThomas Miedema2015-08-212-11/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverses some of the work done in Trac #1405, and assumes GHC is smart enough to do its own unboxing of booleans now. I would like to do some more performance measurements, but the code changes can be reviewed already. Test Plan: With a perf build: ./inplace/bin/ghc-stage2 nofib/spectral/simple/Main.hs -fforce-recomp +RTS -t --machine-readable before: ``` [("bytes allocated", "1300744864") ,("num_GCs", "302") ,("average_bytes_used", "8811118") ,("max_bytes_used", "24477464") ,("num_byte_usage_samples", "9") ,("peak_megabytes_allocated", "64") ,("init_cpu_seconds", "0.001") ,("init_wall_seconds", "0.001") ,("mutator_cpu_seconds", "2.833") ,("mutator_wall_seconds", "4.283") ,("GC_cpu_seconds", "0.960") ,("GC_wall_seconds", "0.961") ] ``` after: ``` [("bytes allocated", "1301088064") ,("num_GCs", "310") ,("average_bytes_used", "8820253") ,("max_bytes_used", "24539904") ,("num_byte_usage_samples", "9") ,("peak_megabytes_allocated", "64") ,("init_cpu_seconds", "0.001") ,("init_wall_seconds", "0.001") ,("mutator_cpu_seconds", "2.876") ,("mutator_wall_seconds", "4.474") ,("GC_cpu_seconds", "0.965") ,("GC_wall_seconds", "0.979") ] ``` CPU time seems to be up a bit, but I'm not sure. Unfortunately CPU time measurements are rather noisy. Reviewers: austin, bgamari, rwbarton Subscribers: nomeata Differential Revision: https://phabricator.haskell.org/D1143 GHC Trac Issues: #1405
* Fix todo in compiler/nativeGen: Rename Size to Formatmarkus2015-07-0710-135/+136
| | | | | | | | | | | | | | | | | | This commit renames the Size module in the native code generator to Format, as proposed by a todo, as well as adjusting parameter names in other modules that use it. Test Plan: validate Reviewers: austin, simonmar, bgamari Reviewed By: simonmar, bgamari Subscribers: bgamari, simonmar, thomie Projects: #ghc Differential Revision: https://phabricator.haskell.org/D865
* Encode alignment in MO_Memcpy and friendsBen Gamari2015-06-161-16/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Alignment needs to be a compile-time constant. Previously the code generators had to jump through hoops to ensure this was the case as the alignment was passed as a CmmExpr in the arguments list. Now we take care of this up front. This fixes #8131. Authored-by: Reid Barton <rwbarton@gmail.com> Dusted-off-by: Ben Gamari <ben@smart-cactus.org> Tests for T8131 Test Plan: Validate Reviewers: rwbarton, austin Reviewed By: rwbarton, austin Subscribers: bgamari, carter, thomie Differential Revision: https://phabricator.haskell.org/D624 GHC Trac Issues: #8131
* Refactor the story around switches (#10137)Joachim Breitner2015-03-301-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This re-implements the code generation for case expressions at the Stg → Cmm level, both for data type cases as well as for integral literal cases. (Cases on float are still treated as before). The goal is to allow for fancier strategies in implementing them, for a cleaner separation of the strategy from the gritty details of Cmm, and to run this later than the Common Block Optimization, allowing for one way to attack #10124. The new module CmmSwitch contains a number of notes explaining this changes. For example, it creates larger consecutive jump tables than the previous code, if possible. nofib shows little significant overall improvement of runtime. The rather large wobbling comes from changes in the code block order (see #8082, not much we can do about it). But the decrease in code size alone makes this worthwhile. ``` Program Size Allocs Runtime Elapsed TotalMem Min -1.8% 0.0% -6.1% -6.1% -2.9% Max -0.7% +0.0% +5.6% +5.7% +7.8% Geometric Mean -1.4% -0.0% -0.3% -0.3% +0.0% ``` Compilation time increases slightly: ``` -1 s.d. ----- -2.0% +1 s.d. ----- +2.5% Average ----- +0.3% ``` The test case T783 regresses a lot, but it is the only one exhibiting any regression. The cause is the changed order of branches in an if-then-else tree, which makes the hoople data flow analysis traverse the blocks in a suboptimal order. Reverting that gets rid of this regression, but has a consistent, if only very small (+0.2%), negative effect on runtime. So I conclude that this test is an extreme outlier and no reason to change the code. Differential Revision: https://phabricator.haskell.org/D720
* Remove redundant constraints in the compiler itself, found by ↵Simon Peyton Jones2015-01-061-1/+1
| | | | -fwarn-redundant-constraints
* Add unwind information to CmmPeter Wortmann2014-12-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Unwind information allows the debugger to discover more information about a program state, by allowing it to "reconstruct" other states of the program. In practice, this means that we explain to the debugger how to unravel stack frames, which comes down mostly to explaining how to find their Sp and Ip register values. * We declare yet another new constructor for CmmNode - and this time there's actually little choice, as unwind information can and will change mid-block. We don't actually make use of these capabilities, and back-end support would be tricky (generate new labels?), but it feels like the right way to do it. * Even though we only use it for Sp so far, we allow CmmUnwind to specify unwind information for any register. This is pretty cheap and could come in useful in future. * We allow full CmmExpr expressions for specifying unwind values. The advantage here is that we don't have to make up new syntax, and can e.g. use the WDS macro directly. On the other hand, the back-end will now have to simplify the expression until it can sensibly be converted into DWARF byte code - a process which might fail, yielding NCG panics. On the other hand, when you're writing Cmm by hand you really ought to know what you're doing. (From Phabricator D169)
* Tick scopesPeter Wortmann2014-12-161-1/+2
| | | | | | | | | | | | | | | | | | | | | | This patch solves the scoping problem of CmmTick nodes: If we just put CmmTicks into blocks we have no idea what exactly they are meant to cover. Here we introduce tick scopes, which allow us to create sub-scopes and merged scopes easily. Notes: * Given that the code often passes Cmm around "head-less", we have to make sure that its intended scope does not get lost. To keep the amount of passing-around to a minimum we define a CmmAGraphScoped type synonym here that just bundles the scope with a portion of Cmm to be assembled later. * We introduce new scopes at somewhat random places, aligning with getCode calls. This works surprisingly well, but we might have to add new scopes into the mix later on if we find things too be too coarse-grained. (From Phabricator D169)
* Source notes (Cmm support)Peter Wortmann2014-12-161-0/+1
| | | | | | | | | | | | | | | | | | | | This patch adds CmmTick nodes to Cmm code. This is relatively straight-forward, but also not very useful, as many blocks will simply end up with no annotations whatosever. Notes: * We use this design over, say, putting ticks into the entry node of all blocks, as it seems to work better alongside existing optimisations. Now granted, the reason for this is that currently GHC's main Cmm optimisations seem to mainly reorganize and merge code, so this might change in the future. * We have the Cmm parser generate a few source notes as well. This is relatively easy to do - worst part is that it complicates the CmmParse implementation a bit. (From Phabricator D169)
* Allow -dead_strip linking on platforms with .subsections_via_symbolsMoritz Angermann2014-11-191-6/+1
| | | | | | | | | | | | | | | | | Summary: This allows to link objects produced with the llvm code generator to be linked with -dead_strip. This applies to at least the iOS cross compiler and OS X compiler. Signed-off-by: Moritz Angermann <moritz@lichtzwerge.de> Test Plan: Create a ffi library and link it with -dead_strip. If the resulting binary does not crash, the patch works as advertised. Reviewers: rwbarton, simonmar, hvr, dterei, mzero, ezyang, austin Reviewed By: dterei, ezyang, austin Subscribers: thomie, mzero, simonmar, ezyang, carter Differential Revision: https://phabricator.haskell.org/D206
* Revert "Place static closures in their own section."Edward Z. Yang2014-10-201-1/+0
| | | | | | | | | | This reverts commit b23ba2a7d612c6b466521399b33fe9aacf5c4f75. Conflicts: compiler/cmm/PprCmmDecl.hs compiler/nativeGen/PPC/Ppr.hs compiler/nativeGen/SPARC/Ppr.hs compiler/nativeGen/X86/Ppr.hs
* Indentation and non-semantic changes only.Edward Z. Yang2014-10-191-10/+10
| | | | | | | | | | | | | | | Summary: Get these lines fitting in 80 columns, and replace ptext (sLit ...) with text Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu> Test Plan: validate Reviewers: simonmar, austin Subscribers: thomie, carter, ezyang, simonmar Differential Revision: https://phabricator.haskell.org/D342
* Place static closures in their own section.Edward Z. Yang2014-10-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | Summary: The primary reason for doing this is assisting debuggability: if static closures are all in the same section, they are guaranteed to be adjacent to one another. This will help later when we add some code that takes section start/end and uses this to sanity-check the sections. Part of remove HEAP_ALLOCED patch set (#8199) Signed-off-by: Edward Z. Yang <ezyang@mit.edu> Test Plan: validate Reviewers: simonmar, austin Subscribers: simonmar, ezyang, carter, thomie Differential Revision: https://phabricator.haskell.org/D263 GHC Trac Issues: #8199
* Add MO_AddIntC, MO_SubIntC MachOps and implement in X86 backendReid Barton2014-08-231-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | Summary: These MachOps are used by addIntC# and subIntC#, which in turn are used in integer-gmp when adding or subtracting small Integers. The following benchmark shows a ~6% speedup after this commit on x86_64 (building GHC with BuildFlavour=perf). {-# LANGUAGE MagicHash #-} import GHC.Exts import Criterion.Main count :: Int -> Integer count (I# n#) = go n# 0 where go :: Int# -> Integer -> Integer go 0# acc = acc go n# acc = go (n# -# 1#) $! acc + 1 main = defaultMain [bgroup "count" [bench "100" $ whnf count 100]] Differential Revision: https://phabricator.haskell.org/D140
* Implement new CLZ and CTZ primops (re #9340)Herbert Valerio Riedel2014-08-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | This implements the new primops clz#, clz32#, clz64#, ctz#, ctz32#, ctz64# which provide efficient implementations of the popular count-leading-zero and count-trailing-zero respectively (see testcase for a pure Haskell reference implementation). On x86, NCG as well as LLVM generates code based on the BSF/BSR instructions (which need extra logic to make the 0-case well-defined). Test Plan: validate and succesful tests on i686 and amd64 Reviewers: rwbarton, simonmar, ezyang, austin Subscribers: simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D144 GHC Trac Issues: #9340
* nativeGen: detabify/dewhitespace SPARC/CodeGen/BaseAustin Seipp2014-07-201-53/+41
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/CodeGen/Gen32Austin Seipp2014-07-201-373/+361
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/CodeGen/SanityAustin Seipp2014-07-201-53/+42
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/CodeGen/ExpandAustin Seipp2014-07-201-106/+91
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/CodeGen/AmodeAustin Seipp2014-07-201-23/+15
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/CodeGen/CondCodeAustin Seipp2014-07-201-29/+21
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/CondAustin Seipp2014-07-201-29/+21
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/RegsAustin Seipp2014-07-201-145/+137
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/InstrAustin Seipp2014-07-201-311/+302
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/ShortcutJumpAustin Seipp2014-07-201-21/+10
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/ImmAustin Seipp2014-07-201-42/+32
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* nativeGen: detabify/dewhitespace SPARC/StackAustin Seipp2014-07-201-29/+20
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* Re-add more primops for atomic ops on byte arraysJohan Tibell2014-06-301-0/+4
| | | | | | | | | | | | | | | | | | | | | | | This is the second attempt to add this functionality. The first attempt was reverted in 950fcae46a82569e7cd1fba1637a23b419e00ecd, due to register allocator failure on x86. Given how the register allocator currently works, we don't have enough registers on x86 to support cmpxchg using complicated addressing modes. Instead we fall back to a simpler addressing mode on x86. Adds the following primops: * atomicReadIntArray# * atomicWriteIntArray# * fetchSubIntArray# * fetchOrIntArray# * fetchXorIntArray# * fetchAndIntArray# Makes these pre-existing out-of-line primops inline: * fetchAddIntArray# * casIntArray#
* Revert "Add more primops for atomic ops on byte arrays"Johan Tibell2014-06-261-4/+0
| | | | | | | | This commit caused the register allocator to fail on i386. This reverts commit d8abf85f8ca176854e9d5d0b12371c4bc402aac3 and 04dd7cb3423f1940242fdfe2ea2e3b8abd68a177 (the second being a fix to the first).
* Add more primops for atomic ops on byte arraysJohan Tibell2014-06-241-0/+4
| | | | | | | | | | | | | | | | | | | Summary: Add more primops for atomic ops on byte arrays Adds the following primops: * atomicReadIntArray# * atomicWriteIntArray# * fetchSubIntArray# * fetchOrIntArray# * fetchXorIntArray# * fetchAndIntArray# Makes these pre-existing out-of-line primops inline: * fetchAddIntArray# * casIntArray#
* Add LANGUAGE pragmas to compiler/ source filesHerbert Valerio Riedel2014-05-1514-12/+18
| | | | | | | | | | | | | | | | | | 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.
* Fix a popular typo in commentsGabor Greif2014-02-011-1/+1
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* Add support for prefetch with locality levels.Austin Seipp2013-10-011-2/+5
| | | | | | | | | | | | | | | | | This patch adds support for several new primitive operations which support using processor-specific instructions to help guide data and cache locality decisions. We have levels ranging from [0..3] For LLVM, we generate llvm.prefetch intrinsics at the proper locality level (similar to GCC.) For x86 we generate prefetch{NTA, t2, t1, t0} instructions. On SPARC and PowerPC, the locality levels are ignored. This closes #8256. Authored-by: Carter Tazio Schonwald <carter.schonwald@gmail.com> Signed-off-by: Austin Seipp <austin@well-typed.com>
* Globally replace "hackage.haskell.org" with "ghc.haskell.org"Simon Marlow2013-10-0112-12/+12
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* Remove dead codeJan Stolarek2013-09-101-0/+1
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* Add support for byte endian swapping for Word 16/32/64.Austin Seipp2013-07-171-0/+1
| | | | | | | | | | | | | * Exposes bSwap{,16,32,64}# primops * Add a new machop: MO_BSwap * Use a Stg implementation (hs_bswap{16,32,64}) for other implementation in NCG. * Generate bswap in X86 NCG for 32 and 64 bits, and for 16 bits, bswap+shr instead of using xchg. * Generate llvm.bswap intrinsics in llvm codegen. Authored-by: Vincent Hanquez <tab@snarc.org> Signed-off-by: Austin Seipp <aseipp@pobox.com>
* Revert "Add support for byte endian swapping for Word 16/32/64."Simon Peyton Jones2013-06-111-1/+0
| | | | This reverts commit 1c5b0511a89488f5280523569d45ee61c0d09ffa.
* Add support for byte endian swapping for Word 16/32/64.Ian Lynagh2013-06-091-0/+1
| | | | | | | | | | | | * Exposes bSwap{,16,32,64}# primops * Add a new machops MO_BSwap * Use a Stg implementation (hs_bswap{16,32,64}) for other implementation in NCG. * Generate bswap in X86 NCG for 32 and 64 bits, and for 16 bits, bswap+shr instead of using xchg. * Generate llvm.bswap intrinsics in llvm codegen. Patch from Vincent Hanquez.
* Refactor cmmMakeDynamicReferenceIan Lynagh2013-05-131-1/+1
| | | | | It now has its own class, and the addImport function is defined in that class, rather than needing to be passed as an argument.
* Remove tabs (M-x untabify)Gabor Greif2013-04-071-99/+91
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* Fix typosGabor Greif2013-04-072-3/+3
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* Detab modules with tabs on 5 lines or fewerIan Lynagh2013-04-061-13/+6
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* Add prefetch primops.Geoffrey Mainland2013-02-011-0/+1
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* Update a panic messageIan Lynagh2013-01-111-1/+1
| | | | | | I don't actually know if suggesting -fllvm as a workaround is useful advice, but -fvia-C certainly won't help as it doesn't do anything any more.
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