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| From: | Paul Eggert |
| Subject: | Re: bignum branch |
| Date: | Tue, 17 Jul 2018 11:55:48 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
Eli Zaretskii wrote:
It's mostly a performance concern on 32-bit platforms.Only on those built --with-wide-int, right? Because otherwise, a 32-bit 'long' is just fine with GMP.
It could also be a problem with integer types other than EMACS_INT, which would affect 32-bit platforms even if --with-wide-int is not used. As I recall, Tom's patch works around the problems only when converting Emacs integers, so there could be a correctness issue there as well as an efficiency issue, since the problem would remain unfixed for the other integer types.
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