- May 12, 2023
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Alexis King authored
fixes #22958
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Previously Hadrian's bindist Makefile referred to a `removeFiles` function that was previously defined by the `make` build system. Since the `make` build system is no longer around, this function is now undefined. Naturally, make being make, this appears to be silently ignored instead of producing an error. Fix this by rewriting it to `rm -f`. Closes #23373.
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Tracking ticket: #23056 MR: !10399 This adds the flag `-funoptimized-core-for-interpreter`, permitting use of the `-O` flag to enable optimizations when compiling with the interpreter backend, like in ghci.
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This function could come across invalid newtype constructors, as we only perform validity checking of newtypes once we are outside the knot-tied typechecking loop. This patch changes this function to fake up a stub type in the case of an invalid newtype, instead of panicking. This patch also changes "checkNewDataCon" so that it reports as many errors as possible at once. Fixes #23308
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- Make explicit that default flag values correspond to their -O0 value. - Fix -fignore-interface-pragmas, -fstg-cse, -fdo-eta-reduction, -fcross-module-specialise, -fsolve-constant-dicts, -fworker-wrapper.
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- May 11, 2023
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This patch fixes the no_dynamic_libs flavour transformer and make fully_static reuse it. Previously building with no_dynamic_libs fails since ghc program is still dynamic and transitively brings in dyn ways of rts which are produced by no rules.
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When using the copying collector there is still a lot of data which isn't copied (such as pinned, compacted, large objects etc). The logic to decide how much memory to retain didn't take into account that these wouldn't be copied. Therefore we pessimistically retained 2* the amount of memory for these blocks even though they wouldn't be copied by the collector. The solution is to split up the heap into two parts, the parts which will be copied and the parts which won't be copied. Then the appropiate factor is applied to each part individually (2 * for copying and 1.2 * for not copying). The T23221 test demonstrates this improvement with a program which first allocates many unpinned ByteArray# followed by many pinned ByteArray# and observes the difference in the ultimate memory baseline between the two. There are some charts on #23221. Fixes #23221
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This patch adds eight new primops that fuse a multiplication and an addition or subtraction: - `{fmadd,fmsub,fnmadd,fnmsub}{Float,Double}#` fmadd x y z is x * y + z, computed with a single rounding step. This patch implements code generation for these primops in the following backends: - X86, AArch64 and PowerPC NCG, - LLVM - C WASM uses the C implementation. The primops are unsupported in the JavaScript backend. The following constant folding rules are also provided: - compute a * b + c when a, b, c are all literals, - x * y + 0 ==> x * y, - ±1 * y + z ==> z ± y and x * ±1 + z ==> z ± x. NB: the constant folding rules incorrectly handle signed zero. This is a known limitation with GHC's floating-point constant folding rules (#21227), which we hope to resolve in the future. -
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Since !10123 we now reject this program.
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We move the "target has RTS linker" information out of configure into a predicate in GHC, and remove this option from the settings file where it is unnecessary -- it's information statically known from the platform. Note that previously we would consider `powerpc`s and `s390x`s other than `powerpc-ibm-aix*` and `s390x-ibm-linux` to have an RTS linker, but the RTS linker supports neither platform. Closes #23361
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When looking up (t1 ~# t2) in the quantified constraints, check both orientations. Forgetting this led to #23333.
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We currently attempt to build and distribute fully static alpine bindists (ones which could be used on any linux platform) but most people who use the alpine bindists want to use alpine to build their own static applications (for which a fully static bindist is not necessary). We should build and distribute these bindists for these users whilst the fully-static bindist is still unusable. Fixes #23349
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Closes #22706.
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- May 10, 2023
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Fixes #22981.
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Closes #23163.
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The prologue of each stack frame are the saved LR and FP registers, 8 byte each. I.e. the size of the stack frame header is 2 * 8 byte.
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- May 09, 2023
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Previously we failed to account direct mutator allocations into the nonmoving heap against the mutator's allocation limit and `cap->total_allocated`. This only manifests during CAF evaluation (since we allocate the CAF's blackhole directly into the nonmoving heap). Fixes #23312.
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This MR changes some simple optimizations and is a first step in re-architecting the JS backend pipeline to add the optimizer. In particular it: - removes simple peep hole optimizations from `GHC.StgToJS.Printer` and removes that module - adds module `GHC.JS.Optimizer` - defines the same peep hole opts that were removed only now they are `Syntax -> Syntax` transformations rather than `Syntax -> JS code` optimizations - hooks the optimizer into code gen - adds FuncStat and ForStat constructors to the backend. Working Ticket: - #22736 Related MRs: - MR !10142 - MR !10000 ------------------------- Metric Decrease: CoOpt_Read ManyAlternatives PmSeriesS PmSeriesT PmSeriesV T10421 T12707 T13253 T13253-spj T15164 T17516 T18140 T18282 T18698a T18698b T18923 T1969 T19695 T20049 T3064 T5321FD T5321Fun T783 T9198 T9233 T9630 ------------------------- -
Ben Gamari authored
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Ben Gamari authored
As requested by @treeowl in CLC#139.
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Ben Gamari authored
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Bryan R authored
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- May 08, 2023
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As noticed by @TerrorJack, `hs_init_ghc` previously used non-atomic increment/decrement on the RTS's initialization count. This may go wrong in a multithreaded program which initializes the runtime multiple times. Closes #22756.
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- May 06, 2023
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Tracking ticket: #20115 MR: !10361 This converts uses of `mkTcRnUnknownMessage` to newly added constructors of `TcRnMessage`. Only addresses the single warning missing from the previous MR.
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Fixes #23277
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- May 05, 2023
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This job paves the way for distributing nightly builds * A new repo https://gitlab.haskell.org/ghc/ghcup-metadata stores the metadata on the "updates" branch. * Each night this metadata is downloaded and the nightly builds are appended to the end of the metadata. * The update job only runs on the scheduled nightly pipeline, not just when NIGHTLY=1. Things which are not done yet * Modify the retention policy for nightly jobs * Think about building release flavour compilers to distribute nightly. Fixes #23334
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In general this patch pushes plugin initialisation points to earlier in the pipeline. As plugins can modify the `HscEnv`, it's imperative that the plugins are initialised as soon as possible and used thereafter. For example, there are some new tests which modify hsc_logger and other hooks which failed to fire before (and now do) One consequence of this change is that the error for specifying the usage of a HPT plugin from the command line has changed, because it's now attempted to be loaded at initialisation rather than causing a cyclic module import. Closes #21279 Co-authored-by:Matthew Pickering <matthewtpickering@gmail.com>
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This fixes a bug in oneshot mode where hooks modified in a plugin wouldn't be used in oneshot mode because we neglected to use the right hsc_env. This was observed by @csabahruska.
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- May 04, 2023
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Previously, `gen_Newtype_fam_insts` was substituting the type variable binders of a type family instance using `substTyVars`, which failed to take type variable dependencies into account. There is similar code in `GHC.Tc.TyCl.Class.tcATDefault` that _does_ perform this substitution properly, so this patch: 1. Factors out this code into a top-level `substATBndrs` function, and 2. Uses `substATBndrs` in `gen_Newtype_fam_insts`. Fixes #23329.
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There was recomentation to use map head . group . sort instead of nub function, but containers library has more suitable and efficient analogue
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