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From: | Robert Dewar |
Subject: | Re: GCC optimizes integer overflow: bug or feature? |
Date: | Fri, 22 Dec 2006 12:30:49 -0500 |
User-agent: | Thunderbird 1.5.0.9 (Windows/20061207) |
Andrew Pinski wrote:
On Fri, 2006-12-22 at 17:08 +0000, Dave Korn wrote:Misaligned accesses *kill* your performance!Maybe on x86, but on PPC, at least for the (current) Cell's PPU misaligned accesses for most cases unaligned are optimal.
is that true across cache boundaries?
Thanks, Andrew Pinski
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