Branch: refs/heads/blead
Home: https://github.com/Perl/perl5
Commit: b60f610b32347ca01c4a978e86fe143dd4e6c12d
https://github.com/Perl/perl5/commit/b60f610b32347ca01c4a978e86fe143dd4e6c12d
Author: Karl Williamson <[email protected]>
Date: 2025-09-05 (Fri, 05 Sep 2025)
Changed paths:
M inline.h
M utf8.c
Log Message:
-----------
Add ASSUMEs for UTF-8 byte lengths
The maximum number of bytes in a Perl extended UTF-8 character is 13 on
ASCII platforms; 14 on EBCDIC. Yet the variable that returns that
number is a Size_t in the cases changed by this commit. By adding these
ASSUMES to these functions, the compiler may be able to do some
optimizations.
I looked through the code base, and found no other instances where such
a small value could be stored in a fully wide variable.
With link time optimization, an ASSUME may be helpful even in non-inline
functions.
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