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Re: Should -fcross-jumping be part of -O1?
Ian Lance Taylor wrote:
Would we really want -Oaccuracy to range from 0 to 3? It seems to me
that you either care about accurate floating point, or you do not.
Having studied the issue at lenght, I've concluded that... it's complicated.
I guess I'm lumping several related concepts under "accuracy." For
example, a certain class of users wants absolute IEEE-754/IEC-60559
conformancy, for consistent results across platforms; other people want
the most accurate results for their specific platform.
Also -Ospeed and -Ofast will be confused with each other, so one of
them needs to be renamed.
Correct; time to get out the thesaurus, I guess -- or go with longer
names, like -Ocompile-speed, -Ogenerated-code-speed, or
-Omake-the-fastest-program-you-can-no-matter-what.
Some of the -f options are almost that lengthy... ;)
--
Scott Robert Ladd
Coyote Gulch Productions (http://www.coyotegulch.com)
Software Invention for High-Performance Computing