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Mailing lists / fpc-pascal / 2012-01

SSE 4.2 usage with FPC ?

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John Sewell

Hello,
I'm trying to understand how to use SSE with fpc, especially the CRC32 instruction available in SSE4.2
It seems that it is available since fpc 2.6.0, but i really got no idea on how to use assembler in fpc.
I get the general idea, but i'm not sure of how the registers work, especially to exchange data with my local variables ? Is there a tutorial somewhere or any asm guru who could give me some hints ? Thanks,
John