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Showing content from https://lists.gnu.org/archive/html/emacs-devel/2018-03/msg00706.html below:

Re: Floating-point constant folding in Emacs byte compiler

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] From: Stefan Monnier Subject: Re: Floating-point constant folding in Emacs byte compiler Date: Thu, 22 Mar 2018 21:26:00 -0400 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)
> These discrepancies mean that .elc files containing floating-point constants
> might not be platform-independent, in that byte-compiling a file on one
> machine X and running it on another machine Y can yield different results
> than byte-compiling and running the same file on Y. Is this sort of
> discrepancy intended?

I'm pretty sure those runtime differences are not on-purpose, so whether
they show up at run-time or compile-time doesn't matter.
IOW we can keep optimizing those.


        Stefan




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