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<h3>
John Ericson pushed to branch wip/primop-naming-consistency
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e033dd0512443140dcca5b3c90b84022d8caf942">e033dd05</a></strong>
<div>
<span>by Adam Sandberg Ericsson</span>
<i>at 2020-12-12T10:52:19+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">mkDocs: support hadrian bindists #18973
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/78580ba3f99565b0aecb25c4206718d4c8a52317">78580ba3</a></strong>
<div>
<span>by John Ericson</span>
<i>at 2020-12-13T07:14:50-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove old .travis.yml
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c696bb2f4476e0ce4071e0d91687c1fe84405599">c696bb2f</a></strong>
<div>
<span>by Cale Gibbard</span>
<i>at 2020-12-14T13:37:09-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Implement type applications in patterns
The haddock submodule is also updated so that it understands the changes
to patterns.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7e9debd4ceb068effe8ac81892d2cabcb8f55850">7e9debd4</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-14T13:37:09-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Optimise nullary type constructor usage
During the compilation of programs GHC very frequently deals with
the `Type` type, which is a synonym of `TYPE 'LiftedRep`. This patch
teaches GHC to avoid expanding the `Type` synonym (and other nullary
type synonyms) during type comparisons, saving a good amount of work.
This optimisation is described in `Note [Comparing nullary type
synonyms]`.
To maximize the impact of this optimisation, we introduce a few
special-cases to reduce `TYPE 'LiftedRep` to `Type`. See
`Note [Prefer Type over TYPE 'LiftedPtrRep]`.
Closes #17958.
Metric Decrease:
T18698b
T1969
T12227
T12545
T12707
T14683
T3064
T5631
T5642
T9020
T9630
T9872a
T13035
haddock.Cabal
haddock.base
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/92377c27e1a48d0d3776f65c7074dfeb122b46db">92377c27</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-14T13:41:58-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Revert "Optimise nullary type constructor usage"
This was inadvertently merged.
This reverts commit 7e9debd4ceb068effe8ac81892d2cabcb8f55850.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5ca56568384d9c2d08aea2d91fa8464bf565d6e4">5ca56568</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-15T05:23:27+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix array and cleanup conversion primops (#19026)
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 minimum Alex version
Bump Cabal, array, bytestring, text, and binary submodules
</pre>
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<h4>30 changed files:</h4>
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<a href="#dea01dd89a3b602828e630677fde5d77c06441c8">
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.travis.yml
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<a href="#9ab3868b23ed5d5a6e12ef902049902556fa4009">
aclocal.m4
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<li class="file-stats">
<a href="#ee840b93f51ee5ed4233a2f892343421ba49af58">
compiler/GHC/Builtin/bytearray-ops.txt.pp
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<a href="#451725cc4e5d443a3b7c2adcdf224840f953b7e2">
compiler/GHC/Builtin/primops.txt.pp
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<a href="#1684e8db5c0d415248dabe224ffe70205adc6b0f">
compiler/GHC/CmmToAsm/Ppr.hs
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<a href="#aa79261abf782f3dc603af7fbd5c4b08ed3ddb88">
compiler/GHC/Core/Opt/ConstantFold.hs
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<a href="#d51029aec6ce58e66d4b48865c1dd0d2038fda29">
compiler/GHC/Data/FastString.hs
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compiler/GHC/Hs/Binds.hs
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compiler/GHC/Hs/Decls.hs
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<a href="#0bae7e7e67b5f9b6ba2a371f8917cf74423a0c6f">
compiler/GHC/Hs/Pat.hs
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<a href="#018be522bc4813b147a1525e4f96a7a493207d96">
compiler/GHC/Hs/Type.hs
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<a href="#7a1af22e4c32b9aa6ec708d9d3788e1c4db5da9a">
compiler/GHC/Hs/Utils.hs
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compiler/GHC/HsToCore/Docs.hs
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compiler/GHC/HsToCore/Expr.hs
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compiler/GHC/HsToCore/Match.hs
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compiler/GHC/HsToCore/Match/Constructor.hs
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<a href="#950eaa7de202a2e915b5ff68a4cfd16e972ad359">
compiler/GHC/HsToCore/Pmc/Desugar.hs
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<a href="#3c19c0be465f9a28d7b69f89c55648080fcc37eb">
compiler/GHC/HsToCore/Quote.hs
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<a href="#649144a78135a23cabfc90dd83c4aabf448eb6ab">
compiler/GHC/Iface/Ext/Ast.hs
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<a href="#bf951467d4a9aa443cb109cb4c84a2891945649b">
compiler/GHC/Parser.y
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compiler/GHC/Parser/Errors.hs
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<a href="#4769efc0cb06e92bc7562e31984f6d7d91048e51">
compiler/GHC/Parser/Errors/Ppr.hs
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compiler/GHC/Parser/PostProcess.hs
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<a href="#13755bdc5d6c6b4c6f31604eb0da778521355795">
compiler/GHC/Parser/PostProcess/Haddock.hs
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<a href="#211a448f1df996899df14cfbd91d498ffa77b8bd">
compiler/GHC/Parser/Types.hs
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compiler/GHC/Rename/Bind.hs
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compiler/GHC/Rename/HsType.hs
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<a href="#7dd1cd0f6f2164a14c83d9aa564dd32bc30e447a">
compiler/GHC/Rename/Module.hs
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compiler/GHC/Rename/Pat.hs
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<a href="#939d24c1002dc322659c1f67c9f3d2db2ae31dd4">
compiler/GHC/Rename/Utils.hs
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<h5>The diff was not included because it is too large.</h5>
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