Wrong i386 assembler code emitted by egcs--2.91.24 19980418 (gcc2 ss-980401 experimental) with -O[1-9]

[Michael Harnois]

> To the best of my (very rusty) knowledge of i386 assembly, the code
> listed above is an equivalent of a "memory to memory" move - could this
> be the source of the problem?

Latest notes in linux-kernel indicated that the code itself needed to be
modified, and a patch has been provided there.