[Bug target/39942] Nonoptimal code - leaveq; xchg %ax,%ax; retq

[vvv at ru dot ru]

------- Comment #25 from vvv at ru dot ru  2009-05-13 18:56 -------
(In reply to comment #22)
> CCing H.J for Intel optimization issues.

VVV> 1. AMD limitation for 16-bytes page (memory range XXXXXXX0 - XXXXXXXF),
but
VVV> Intel limitation for 16-bytes chunk  (memory range XXXXXXXX -
XXXXXXXX+10h)

I have a doubt about this now. Sanks to Richard Guenther (Comment #20). So I am
going to make measurements for check it for Core2.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39942