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Re: [PATCH] Support VMX128 Instruction for PowerPC


The attached patches add support for the VMX128 altivec instructions
found on e.g. the Xenon CPU. (These are altivec instructions for a
register set of 128 vector registers).

Nice!


You can find a documentation here:
http://wiki.free60.org/Xenon/VMX128

Has this been checked against the official documentation, too?

The patch is not invasive, but I'm not sure whether there should be an
option to enable/disable the extended instruction set. Comments welcome.

Yes there should be such an option, VMX128 isn't part of the architecture.

+/* Opcode is supported by Altivec Vector128 Unit */

AltiVec (note spelling) is not the right name; it is called VMX128. AltiVec is the (trademarked) FreeScale name for VMX; not for VMX128.


Segher



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