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* Add a basic test for ByteArray's Monoid instanceMatthew Craven2022-06-222-0/+84
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* fix executablePath test for NetBSDFraser Tweedale2022-05-261-8/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | executablePath support for NetBSD was added in a172be07e3dce758a2325104a3a37fc8b1d20c9c, but the test was not updated. Update the test so that it works for NetBSD. This requires handling some quirks: - The result of getExecutablePath could include "./" segments. Therefore use System.FilePath.equalFilePath to compare paths. - The sysctl(2) call returns the original executable name even after it was deleted. Add `canQueryAfterDelete :: [FilePath]` and adjust expectations for the post-delete query accordingly. Also add a note to the `executablePath` haddock to advise that NetBSD behaves differently from other OSes when the file has been deleted. Also accept a decrease in memory usage for T16875. On Windows, the metric is -2.2% of baseline, just outside the allowed ±2%. I don't see how this commit could have influenced this metric, so I suppose it's something in the CI environment. Metric Decrease: T16875
* executablePath test: fix file extension treatmentFraser Tweedale2022-05-261-10/+11
| | | | | | | | | | | | | | | | The executablePath test strips the file extension (if any) when comparing the query result with the expected value. This is to handle platforms where GHC adds a file extension to the output program file (e.g. .exe on Windows). After the initial check, the file gets deleted (if supported). However, it tries to delete the *stripped* filename, which is incorrect. The test currently passes only because Windows does not allow deleting the program while any process created from it is alive. Make the test program correct in general by deleting the *non-stripped* executable filename.
* Give the two T19569 tests different namesMatthew Craven2022-05-052-1/+1
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* Fix broken rules for (^) with known small powersMatthew Craven2022-05-051-1/+1
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* Add a test for the bracketing in rules for (^)Matthew Craven2022-05-052-0/+57
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* Data.Functor.Classes: fix Ord1 instance for DownVaibhav Sagar2021-12-143-0/+10
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* testsuite: disable some tests when we don't have dynamic librariesZubin Duggal2021-11-181-1/+1
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* Canonicalize bignum literalsSylvain Henry2021-09-111-6/+1
| | | | | | | | | | | | | | | | | | Before this patch Integer and Natural literals were desugared into "real" Core in Core prep. Now we desugar them directly into their final ConApp form in HsToCore. We only keep the double representation for BigNat# (literals larger than a machine Word/Int) which are still desugared in Core prep. Using the final form directly allows case-of-known-constructor to fire for bignum literals, fixing #20245. Slight increase (+2.3) in T4801 which is a pathological case with Integer literals. Metric Increase: T4801 T11545
* Only dump Core stats when requested to do so (#20342)Sylvain Henry2021-09-081-1/+0
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* Add test for executablePathFraser Tweedale2021-07-062-1/+51
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* Detect underflow in fromIntegral/Int->Natural ruleSylvain Henry2021-07-023-0/+14
| | | | Fix #20066
* Bignum: match on DataCon workers in rules (#19892)Sylvain Henry2021-05-291-1/+8
| | | | | | | | | We need to match on DataCon workers for the rules to be triggered. T13701 ghc/alloc decreases by ~2.5% on some archs Metric Decrease: T13701
* Add pattern TypeRep (#19691), exported by Type.Reflection.Baldur Blöndal2021-05-192-0/+34
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* Fix array and cleanup conversion primops (#19026)Sylvain Henry2021-03-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first change makes the array ones use the proper fixed-size types, which also means that just like before, they can be used without explicit conversions with the boxed sized types. (Before, it was Int# / Word# on both sides, now it is fixed sized on both sides). For the second change, don't use "extend" or "narrow" in some of the user-facing primops names for conversions. - Names like `narrowInt32#` are misleading when `Int` is 32-bits. - Names like `extendInt64#` are flat-out wrong when `Int is 32-bits. - `narrow{Int,Word}<N>#` however map a type to itself, and so don't suffer from this problem. They are left as-is. These changes are batched together because Alex happend to use the array ops. We can only use released versions of Alex at this time, sadly, and I don't want to have to have a release thatwon't work for the final GHC 9.2. So by combining these we get all the changes for Alex done at once. Bump hackage state in a few places, and also make that workflow slightly easier for the future. Bump minimum Alex version Bump Cabal, array, bytestring, containers, text, and binary submodules
* Add cmpNat, cmpSymbol, and cmpCharDaniel Winograd-Cort2021-03-033-0/+28
| | | | | | | Add Data.Type.Ord Add and update tests Metric Increase: MultiLayerModules
* Bignum: fix bogus rewrite rule (#19345)Sylvain Henry2021-02-133-0/+15
| | | | | | | | Fix the following rule: "fromIntegral/Int->Natural" fromIntegral = naturalFromWord . fromIntegral Its type wasn't constrained to Int hence #19345.
* Fix -dynamic-too with wired-in modules (#19264)Sylvain Henry2021-01-303-0/+8
| | | | | | | | | | | | | See T19264 for a tricky corner case when explicitly importing GHC.Num.BigNat and another module. With -dynamic-too, the FinderCache contains paths for non-dynamic interfaces so they must be loaded first, which is usually the case, except for some interfaces loaded in the backend (e.g. in CorePrep). So we must run the backend for the non-dynamic way first for -dynamic-too to work as it is but I broke this invariant in c85f4928d4dbb2eb2cf906d08bfe7620d6f04ca5 by mistakenly making the backend run for the dynamic way first.
* Fix spurious failures of T16916 on CI (#16966)Sylvain Henry2021-01-273-13/+46
| | | | | | | | | | | | | * disable idle GC which has a big impact on time measures * use average measures (before and after event registration) * use warmup measures (for some reason the first measure of a batch seems to be often quite different from the others) * drop the division by monotonic clock time: this clock is impacted by the load of the runner. We only want to measure the time spent in the RTS while the mutator is idle so I don't understand why it was used.
* Bignum: add Natural constant folding rules (#15821)Sylvain Henry2021-01-234-3/+258
| | | | | | | | | | | | | | | | | | | * Implement constant folding rules for Natural (similar to Integer ones) * Add mkCoreUbxSum helper in GHC.Core.Make * Remove naturalTo/FromInt We now only provide `naturalTo/FromWord` as the semantics is clear (truncate/zero-extend). For Int we have to deal with negative numbers (throw an exception? convert to Word beforehand?) so we leave the decision about what to do to the caller. Moreover, now that we have sized types (Int8#, Int16#, ..., Word8#, etc.) there is no reason to bless `Int#` more than `Int8#` or `Word8#` (for example). * Replaced a few `()` with `(# #)`
* Natural: fix left shift of 0 (fix #19170)Sylvain Henry2021-01-093-0/+15
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* [Sized Cmm] properly retain sizes.Moritz Angermann2020-11-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | This replaces all Word<N> = W<N># Word# and Int<N> = I<N># Int# with Word<N> = W<N># Word<N># and Int<N> = I<N># Int<N>#, thus providing us with properly sized primitives in the codegenerator instead of pretending they are all full machine words. This came up when implementing darwinpcs for arm64. The darwinpcs reqires us to pack function argugments in excess of registers on the stack. While most procedure call standards (pcs) assume arguments are just passed in 8 byte slots; and thus the caller does not know the exact signature to make the call, darwinpcs requires us to adhere to the prototype, and thus have the correct sizes. If we specify CInt in the FFI call, it should correspond to the C int, and not just be Word sized, when it's only half the size. This does change the expected output of T16402 but the new result is no less correct as it eliminates the narrowing (instead of the `and` as was previously done). Bumps the array, bytestring, text, and binary submodules. Co-Authored-By: Ben Gamari <ben@well-typed.com> Metric Increase: T13701 T14697
* Bignum: fix bigNatCompareWord# bug (#18813)Sylvain Henry2020-10-103-0/+27
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* Bignum: match on small Integer/NaturalSylvain Henry2020-10-093-0/+12
| | | | | | | | | Previously we only matched on *variables* whose unfoldings were a ConApp of the form `IS lit#` or `NS lit##`. But we forgot to match on the ConApp directly... As a consequence, constant folding only worked after the FloatOut pass which creates bindings for most sub-expressions. With this patch, matching on bignums works even with -O0 (see bignumMatch test).
* Bignum: implement integerPowMod (#18427)Sylvain Henry2020-10-024-22/+36
| | | | | | | Incidentally fix powModInteger which was crashing in integer-gmp for negative exponents when the modular multiplicative inverse for the base didn't exist. Now we compute it explicitly with integerRecipMod so that every backend returns the same result without crashing.
* Bignum: implement integerRecipMod (#18427)Sylvain Henry2020-10-025-6/+46
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* Bignum: add integerNegate RULESylvain Henry2020-10-013-0/+19
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* Bignum: implement extended GCD (#18427)Sylvain Henry2020-09-254-3/+1174
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* testsuite: Increase tolerance of T16916Ben Gamari2020-08-121-1/+1
| | | | | | | | T16916 (testing #16916) has been slightly fragile in CI due to its reliance on CPU times. While it's hard to see how to eliminate the time-dependence entirely, we can nevertheless make it more tolerant. Fixes #16966.
* Bignum: fix powMod for gmp backend (#18515)Sylvain Henry2020-07-303-12/+4
| | | | | Also reenable integerPowMod test which had never been reenabled by mistake.
* Update testsuiteSylvain Henry2020-06-176-21/+22
| | | | | | | | | | | | | | * support detection of slow ghc-bignum backend (to replace the detection of integer-simple use). There are still some test cases that the native backend doesn't handle efficiently enough. * remove tests for GMP only functions that have been removed from ghc-bignum * fix test results showing dependent packages (e.g. integer-gmp) or showing suggested instances * fix test using Integer/Natural API or showing internal names
* Re-implement unsafe coercions in terms of unsafe equality proofsSimon Peyton Jones2020-02-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (Commit message written by Omer, most of the code is written by Simon and Richard) See Note [Implementing unsafeCoerce] for how unsafe equality proofs and the new unsafeCoerce# are implemented. New notes added: - [Checking for levity polymorphism] in CoreLint.hs - [Implementing unsafeCoerce] in base/Unsafe/Coerce.hs - [Patching magic definitions] in Desugar.hs - [Wiring in unsafeCoerce#] in Desugar.hs Only breaking change in this patch is unsafeCoerce# is not exported from GHC.Exts, instead of GHC.Prim. Fixes #17443 Fixes #16893 NoFib ----- -------------------------------------------------------------------------------- Program Size Allocs Instrs Reads Writes -------------------------------------------------------------------------------- CS -0.1% 0.0% -0.0% -0.0% -0.0% CSD -0.1% 0.0% -0.0% -0.0% -0.0% FS -0.1% 0.0% -0.0% -0.0% -0.0% S -0.1% 0.0% -0.0% -0.0% -0.0% VS -0.1% 0.0% -0.0% -0.0% -0.0% VSD -0.1% 0.0% -0.0% -0.0% -0.1% VSM -0.1% 0.0% -0.0% -0.0% -0.0% anna -0.0% 0.0% -0.0% -0.0% -0.0% ansi -0.1% 0.0% -0.0% -0.0% -0.0% atom -0.1% 0.0% -0.0% -0.0% -0.0% awards -0.1% 0.0% -0.0% -0.0% -0.0% banner -0.1% 0.0% -0.0% -0.0% -0.0% bernouilli -0.1% 0.0% -0.0% -0.0% -0.0% binary-trees -0.1% 0.0% -0.0% -0.0% -0.0% boyer -0.1% 0.0% -0.0% -0.0% -0.0% boyer2 -0.1% 0.0% -0.0% -0.0% -0.0% bspt -0.1% 0.0% -0.0% -0.0% -0.0% cacheprof -0.1% 0.0% -0.0% -0.0% -0.0% calendar -0.1% 0.0% -0.0% -0.0% -0.0% cichelli -0.1% 0.0% -0.0% -0.0% -0.0% circsim -0.1% 0.0% -0.0% -0.0% -0.0% clausify -0.1% 0.0% -0.0% -0.0% -0.0% comp_lab_zift -0.1% 0.0% -0.0% -0.0% -0.0% compress -0.1% 0.0% -0.0% -0.0% -0.0% compress2 -0.1% 0.0% -0.0% -0.0% -0.0% constraints -0.1% 0.0% -0.0% -0.0% -0.0% cryptarithm1 -0.1% 0.0% -0.0% -0.0% -0.0% cryptarithm2 -0.1% 0.0% -0.0% -0.0% -0.0% cse -0.1% 0.0% -0.0% -0.0% -0.0% digits-of-e1 -0.1% 0.0% -0.0% -0.0% -0.0% digits-of-e2 -0.1% 0.0% -0.0% -0.0% -0.0% dom-lt -0.1% 0.0% -0.0% -0.0% -0.0% eliza -0.1% 0.0% -0.0% -0.0% -0.0% event -0.1% 0.0% -0.0% -0.0% -0.0% exact-reals -0.1% 0.0% -0.0% -0.0% -0.0% exp3_8 -0.1% 0.0% -0.0% -0.0% -0.0% expert -0.1% 0.0% -0.0% -0.0% -0.0% fannkuch-redux -0.1% 0.0% -0.0% -0.0% -0.0% fasta -0.1% 0.0% -0.5% -0.3% -0.4% fem -0.1% 0.0% -0.0% -0.0% -0.0% fft -0.1% 0.0% -0.0% -0.0% -0.0% fft2 -0.1% 0.0% -0.0% -0.0% -0.0% fibheaps -0.1% 0.0% -0.0% -0.0% -0.0% fish -0.1% 0.0% -0.0% -0.0% -0.0% fluid -0.1% 0.0% -0.0% -0.0% -0.0% fulsom -0.1% 0.0% +0.0% +0.0% +0.0% gamteb -0.1% 0.0% -0.0% -0.0% -0.0% gcd -0.1% 0.0% -0.0% -0.0% -0.0% gen_regexps -0.1% 0.0% -0.0% -0.0% -0.0% genfft -0.1% 0.0% -0.0% -0.0% -0.0% gg -0.1% 0.0% -0.0% -0.0% -0.0% grep -0.1% 0.0% -0.0% -0.0% -0.0% hidden -0.1% 0.0% -0.0% -0.0% -0.0% hpg -0.1% 0.0% -0.0% -0.0% -0.0% ida -0.1% 0.0% -0.0% -0.0% -0.0% infer -0.1% 0.0% -0.0% -0.0% -0.0% integer -0.1% 0.0% -0.0% -0.0% -0.0% integrate -0.1% 0.0% -0.0% -0.0% -0.0% k-nucleotide -0.1% 0.0% -0.0% -0.0% -0.0% kahan -0.1% 0.0% -0.0% -0.0% -0.0% knights -0.1% 0.0% -0.0% -0.0% -0.0% lambda -0.1% 0.0% -0.0% -0.0% -0.0% last-piece -0.1% 0.0% -0.0% -0.0% -0.0% lcss -0.1% 0.0% -0.0% -0.0% -0.0% life -0.1% 0.0% -0.0% -0.0% -0.0% lift -0.1% 0.0% -0.0% -0.0% -0.0% linear -0.1% 0.0% -0.0% -0.0% -0.0% listcompr -0.1% 0.0% -0.0% -0.0% -0.0% listcopy -0.1% 0.0% -0.0% -0.0% -0.0% maillist -0.1% 0.0% -0.0% -0.0% -0.0% mandel -0.1% 0.0% -0.0% -0.0% -0.0% mandel2 -0.1% 0.0% -0.0% -0.0% -0.0% mate -0.1% 0.0% -0.0% -0.0% -0.0% minimax -0.1% 0.0% -0.0% -0.0% -0.0% mkhprog -0.1% 0.0% -0.0% -0.0% -0.0% multiplier -0.1% 0.0% -0.0% -0.0% -0.0% n-body -0.1% 0.0% -0.0% -0.0% -0.0% nucleic2 -0.1% 0.0% -0.0% -0.0% -0.0% para -0.1% 0.0% -0.0% -0.0% -0.0% paraffins -0.1% 0.0% -0.0% -0.0% -0.0% parser -0.1% 0.0% -0.0% -0.0% -0.0% parstof -0.1% 0.0% -0.0% -0.0% -0.0% pic -0.1% 0.0% -0.0% -0.0% -0.0% pidigits -0.1% 0.0% -0.0% -0.0% -0.0% power -0.1% 0.0% -0.0% -0.0% -0.0% pretty -0.1% 0.0% -0.1% -0.1% -0.1% primes -0.1% 0.0% -0.0% -0.0% -0.0% primetest -0.1% 0.0% -0.0% -0.0% -0.0% prolog -0.1% 0.0% -0.0% -0.0% -0.0% puzzle -0.1% 0.0% -0.0% -0.0% -0.0% queens -0.1% 0.0% -0.0% -0.0% -0.0% reptile -0.1% 0.0% -0.0% -0.0% -0.0% reverse-complem -0.1% 0.0% -0.0% -0.0% -0.0% rewrite -0.1% 0.0% -0.0% -0.0% -0.0% rfib -0.1% 0.0% -0.0% -0.0% -0.0% rsa -0.1% 0.0% -0.0% -0.0% -0.0% scc -0.1% 0.0% -0.1% -0.1% -0.1% sched -0.1% 0.0% -0.0% -0.0% -0.0% scs -0.1% 0.0% -0.0% -0.0% -0.0% simple -0.1% 0.0% -0.0% -0.0% -0.0% solid -0.1% 0.0% -0.0% -0.0% -0.0% sorting -0.1% 0.0% -0.0% -0.0% -0.0% spectral-norm -0.1% 0.0% -0.0% -0.0% -0.0% sphere -0.1% 0.0% -0.0% -0.0% -0.0% symalg -0.1% 0.0% -0.0% -0.0% -0.0% tak -0.1% 0.0% -0.0% -0.0% -0.0% transform -0.1% 0.0% -0.0% -0.0% -0.0% treejoin -0.1% 0.0% -0.0% -0.0% -0.0% typecheck -0.1% 0.0% -0.0% -0.0% -0.0% veritas -0.0% 0.0% -0.0% -0.0% -0.0% wang -0.1% 0.0% -0.0% -0.0% -0.0% wave4main -0.1% 0.0% -0.0% -0.0% -0.0% wheel-sieve1 -0.1% 0.0% -0.0% -0.0% -0.0% wheel-sieve2 -0.1% 0.0% -0.0% -0.0% -0.0% x2n1 -0.1% 0.0% -0.0% -0.0% -0.0% -------------------------------------------------------------------------------- Min -0.1% 0.0% -0.5% -0.3% -0.4% Max -0.0% 0.0% +0.0% +0.0% +0.0% Geometric Mean -0.1% -0.0% -0.0% -0.0% -0.0% Test changes ------------ - break006 is marked as broken, see #17833 - The compiler allocates less when building T14683 (an unsafeCoerce#- heavy happy-generated code) on 64-platforms. Allocates more on 32-bit platforms. - Rest of the increases are tiny amounts (still enough to pass the threshold) in micro-benchmarks. I briefly looked at each one in a profiling build: most of the increased allocations seem to be because of random changes in the generated code. Metric Decrease: T14683 Metric Increase: T12150 T12234 T12425 T13035 T14683 T5837 T6048 Co-Authored-By: Richard Eisenberg <rae@cs.brynmawr.edu> Co-Authored-By: Ömer Sinan Ağacan <omeragacan@gmail.com>
* Split integerGmpInternals test in several partsSylvain Henry2020-01-049-175/+247
| | | | | This is to prepare for ghc-bignum which implements some but not all of gmp functions.
* Test proxy-polymorphic sameNat and sameSymbolBodigrim2019-12-052-0/+25
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* Make test 16916 more stable across runsIvan Kasatenko2019-11-171-2/+2
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* testsuite: Skip T16916 on WindowsBen Gamari2019-11-091-1/+2
| | | | The event manager is not supported on Windows.
* Fix T16916 CI failures (#16966)Ivan Kasatenko2019-08-011-4/+8
| | | | | | | | | 1. Slightly increased the waiting time for the tested effect to be more profound. 2. Introduced measuring of the actual time spent waiting and adjusing CPU time by it to compensate for threadDelay waiting time inconsistencies.
* Do not ignore events deletion when events to be added are provided (#16916)Ivan Kasatenko2019-07-213-0/+47
| | | | | | | | | | | Kqueue/kevent implementation used to ignore events to be unsubscribed from when events to be subscribed to were provided. This resulted in a lost notification subscription, when GHC runtime didn't listen for any events, yet the kernel considered otherwise and kept waking up the IO manager thread. This commit fixes this issue by always adding and removing all of the provided subscriptions.
* testsuite: Fix omit_ways usageBen Gamari2019-06-121-2/+2
| | | | omit_ways expects a list but this was broken in several cases.
* Add a `NOINLINE` pragma on `someNatVal` (#16586)Iavor Diatchki2019-05-233-0/+29
| | | | This fixes #16586, see `Note [NOINLINE someNatVal]` for details.
* Update Trac ticket URLs to point to GitLabRyan Scott2019-03-151-1/+1
| | | | | This moves all URL references to Trac tickets to their corresponding GitLab counterparts.
* testsuite: Use makefile_testBen Gamari2019-01-301-6/+3
| | | | | This eliminates most uses of run_command in the testsuite in favor of the more structured makefile_test.
* Revert "Batch merge"Ben Gamari2019-01-301-3/+6
| | | | This reverts commit 76c8fd674435a652c75a96c85abbf26f1f221876.
* Batch mergeBen Gamari2019-01-301-6/+3
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* Fix tests for `integer-simple`Alec Theriault2019-01-161-1/+1
| | | | | | | | | | | | A bunch of tests for `integer-simple` were now broken for a foolish reason: unlike the `integer-gmp` case, there is no CorePrep optimization for turning small integers directly into applications of `S#`. Rather than port this optimization to `integer-simple` (which would involve moving a bunch of `integer-simple` names into `PrelNames`), I switched as many tests as possible to use `Int`. The printing of `Integer` is already tested in `print037`.
* testsuite: Fix a number of GHCi-related failures due to integer-simpleBen Gamari2018-12-121-2/+2
| | | | Towards fixing #16043.
* Correct limb length and assertion for gcdExtIntegerDavidEichamnn2018-08-212-0/+33
| | | | | | | | | | | | Reviewers: hvr, bgamari, monoidal Reviewed By: monoidal Subscribers: monoidal, rwbarton, thomie, carter GHC Trac Issues: #15350 Differential Revision: https://phabricator.haskell.org/D5042
* Restore function powModSecIntegerOlivier Chéron2017-09-191-3/+1
| | | | | | | | | | | | | | | The function existed in integer-gmp-0.5.1.0 but was removed as part of integer-gmp2 rewrite in #9281. This is to bring it back. Test Plan: Case integerGmpInternals, with GMP 4.3.2 and GMP 6.1.2 Reviewers: austin, hvr, goldfire, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3947
* Make function intToSBigNat# preserve sign (fixes #14085)Olivier Chéron2017-08-172-2/+8
| | | | | | | | | | | | | | | | | | | Impacts only functions gcdExtInteger, powModInteger and recipModInteger which gave invalid results on negative S# inputs. Also fixes gcdExtInteger assertion when first argument is negative. Test Plan: Updated test case integerGmpInternals Reviewers: austin, hvr, goldfire, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #14085 Differential Revision: https://phabricator.haskell.org/D3826
* integerConstantFolding: no longer broken with -DDEBUG (#1106)Joachim Breitner2017-03-091-2/+1
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