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| author | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2023-04-21 11:37:42 +0200 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2023-05-12 06:11:38 -0400 |
| commit | ab63daac0e0ed8749514e38d714cfcd4562f4326 (patch) | |
| tree | a8914398a67f2be5a8025a3949fee98ed0e5685c /docs | |
| parent | c176ad1835ccfe55e2bde875b4a35e9d226ff657 (diff) | |
| download | haskell-ab63daac0e0ed8749514e38d714cfcd4562f4326.tar.gz | |
Allow Core optimizations when interpreting bytecode
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.
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/users_guide/debugging.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/users_guide/debugging.rst b/docs/users_guide/debugging.rst index e2acac340f..04bb5ca97a 100644 --- a/docs/users_guide/debugging.rst +++ b/docs/users_guide/debugging.rst @@ -1146,3 +1146,17 @@ Other be terminated. This helps narrowing down if an issue is due to tag inference if things go wrong. Which would otherwise be quite difficult. +.. ghc-flag:: -funoptimized-core-for-interpreter + :shortdesc: Disable optimizations with the interpreter + :reverse: -fno-unoptimized-core-for-interpreter + :type: dynamic + + :since: 9.8.1 + + default: enabled + + At the moment, ghci disables optimizations, because not all passes + are compatible with the interpreter. + This option can be used to override this check, e.g. + ``ghci -O2 -fno-unoptimized-core-for-interpreter``. + It is not recommended for normal use and can cause a compiler panic. |