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Diffstat (limited to 'docs/users_guide/using-optimisation.rst')
| -rw-r--r-- | docs/users_guide/using-optimisation.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/users_guide/using-optimisation.rst b/docs/users_guide/using-optimisation.rst index c75d5e6097..d587c847d9 100644 --- a/docs/users_guide/using-optimisation.rst +++ b/docs/users_guide/using-optimisation.rst @@ -467,6 +467,17 @@ as such you shouldn't need to set any of them explicitly. A flag Eta-expand let-bindings to increase their arity. +.. ghc-flag:: -fdo-clever-arg-eta-expansion + :shortdesc: Enable sophisticated argument eta-expansion. Implied by :ghc-flag:`-O2`. + :type: dynamic + :reverse: -fno-do-clever-arg-eta-expansion + :category: + + :default: off + + Eta-expand arguments to increase their arity to avoid allocating unnecessary + thunks for them. + .. ghc-flag:: -feager-blackholing :shortdesc: Turn on :ref:`eager blackholing <parallel-compile-options>` :type: dynamic |