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Maniphest T9679

Add just-in-time (jit) language option to gcc build
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Description

The currently in development and upcoming Emacs 28 release has merged gccemacs. This feature adds support for compiling Emacs Lisp to native code using libgccjit resulting (hopefully) in greatly improved run-time performance.

Adding --enable-languages=jit,(etc) to the gcc build provides libgccjit.so.

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Event Timeline

appmath created this task.Apr 14 2021, 11:43 AM
DataDrake triaged this task as Low priority.Apr 22 2021, 10:19 PM
DataDrake moved this task from Backlog to Improvement on the Software board.
DataDrake added a subscriber: DataDrake.

At the moment nothing requires this so it doesn't need to happen until emacs is updated to 28.X.

nazar added a subscriber: nazar.May 19 2021, 5:29 AM
In T9679#183794, @DataDrake wrote:

At the moment nothing requires this so it doesn't need to happen until emacs is updated to 28.X.

enabling libgccjit would make absolutely easier compiling 28.0 branch for those who use pre-release version of emacs.

JoshStrobl added a subscriber: JoshStrobl.May 19 2021, 12:13 PM

branch for those who use pre-release version of emacs.

Not sure why we should need to be the ones to put in the work for that then.

nazar mentioned this in T10045: Update Emacs to 28.X and enable --with-native-compilation.Jan 16 2022, 7:04 AM
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