Hi, as we had the idea that this is due to a missing CMOV Support in the Cyrix CPU I did some tests on my Via Samuel II which is missing this support too. Unfortunatly I was not able to reproduce the bug. But I have to say that libmysql could have a fallback to MMX functions (which this cpu supports). So missing CMOV could be the reason too, if this is the case its either a gcc bug or a bug in libmysql which uses some inline assembly to be as fast as possible, but I didn't looked into the libmysql code and unfortunatly I have no cyrix CPU so I couldn't give the problem a deeper look.
Alex
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