[Bug 180] DMD -O is faster than GDC -O3 for byte and short math
gdc-bugzilla at gdcproject.org
gdc-bugzilla at gdcproject.org
Wed Nov 8 22:43:01 UTC 2017
https://bugzilla.gdcproject.org/show_bug.cgi?id=180
Iain Buclaw <ibuclaw at gdcproject.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |WONTFIX
Status|NEW |RESOLVED
--- Comment #4 from Iain Buclaw <ibuclaw at gdcproject.org> ---
And on my test machine, I get faster results if I remove `-march=native` from
the commandline.
I can only conclude that this test is contrived - and certainly looking at the
generated trees, there's nothing we're really doing wrong here. This is
testing GCC's ability to produce good code, not GDC's ability.
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