Re: gcc4 optimization problems on intel mac
Re: gcc4 optimization problems on intel mac
- Subject: Re: gcc4 optimization problems on intel mac
- From: Jim Wintermyre <email@hidden>
- Date: Wed, 24 Jan 2007 00:43:55 -0800
Under *any* setting except -O0, these strange behaviors would
reappear, though without optimization everything runs normally.
Other optimization- related settings, such as loop unrolling, do not
seem to effect the software's stability.
I recall an issue I had (in an AU plugin), where another optimization
setting did seem to interact with the optimization level.
Specifically, I was having the problem only when the optimization
level was greater than -O0, AND "Enforce Strict Aliasing" was
enabled. In this case it wasn't an Intel-specific issue, but the
point is sometimes the settings do seem to affect each other subtly.
Jim
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