[Bug 77580] GCC memory starvation caused by flatten attribute with LTO
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Jul 16 11:49:33 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=77580
--- Comment #6 from main.haarp at gmail.com ---
(In reply to Patrick McMunn from comment #5)
> Created attachment 125089 [details] [review]
> Patch to allow LTO optmization of xf86-video-intel
>
Nice work! This allows building with LTO on gcc-4.9. gcc-5.3.0 however fails to
build it, throwing a bunch of these around:
/usr/include/bits/string3.h:50:1: error: inlining failed in call to
always_inline ‘memcpy’: target specific option mismatch
Also, unlike your P4, I cannot detect any measurable performance improvements
(Intel Sandy Bridge). Unfortunate.
All tests done with xf86-video-intel from today's git.
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