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  1. Bug #643650
  2. Comment #14

Comment 14 for bug 643650

Revision history for this message
Yasufumi Kinoshita (yasufumi-kinoshita) wrote :

Vadim,

> You can see there
http://bazaar.launchpad.net/~mysqlatfacebook/mysqlatfacebook/5.1/annotate/head:/mysys/my_crc32.c

It is SSE4.2 specific instructions....
So, the #ifdef of the patch is wrong.

I uses "AMD Phenom(tm) II X6 1090T Processor" (x86_64), but the processor doesn't support the instructions.

I don't use SSE (explicitly in the source code) for now, to keep compatibility.