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Re: bin/47301: Miscompilation by bundled GCC
The following reply was made to PR bin/47301; it has been noted by GNATS.
From: David Laight <david%l8s.co.uk@localhost>
Subject: Re: bin/47301: Miscompilation by bundled GCC
Date: Mon, 10 Dec 2012 19:48:40 +0000
On Mon, Dec 10, 2012 at 04:40:04PM +0000, Paul_Koning%Dell.com@localhost wrote:
> I wonder what that workaround would do to performance.
> This sort of reload case could pop up in lots of machine
> architectures -- any CISC-like machine might be affected.
> pdp11, 68k, i386, ...
pdp11 is only 16bit.
i386 only allows one memory operand (except for special instructions
with fixed registers.
m68k does allow memory-memory oparations (if I've read the book properly).
David Laight: david%l8s.co.uk@localhost
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