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CONFIG_ALTIVEC: AltiVec Support

General informations

The Linux kernel configuration item CONFIG_ALTIVEC has multiple definitions:

AltiVec Support found in arch/powerpc/Kconfig

The configuration item CONFIG_ALTIVEC:

Help text

This option enables kernel support for the Altivec extensions to the PowerPC processor. The kernel currently supports saving and restoring altivec registers, and turning on the 'altivec enable' bit so user processes can execute altivec instructions.

This option is only usefully if you have a processor that supports altivec (G4, otherwise known as 74xx series), but does not have any affect on a non-altivec cpu (it does, however add code to the kernel).

If in doubt, say Y here.

AltiVec Support found in arch/powerpc/platforms/Kconfig.cputype

The configuration item CONFIG_ALTIVEC:

Help text

This option enables kernel support for the Altivec extensions to the PowerPC processor. The kernel currently supports saving and restoring altivec registers, and turning on the 'altivec enable' bit so user processes can execute altivec instructions.

This option is only usefully if you have a processor that supports altivec (G4, otherwise known as 74xx series), but does not have any affect on a non-altivec cpu (it does, however add code to the kernel).

If in doubt, say Y here.

AltiVec Support found in arch/ppc/Kconfig

The configuration item CONFIG_ALTIVEC:

Help text

This option enables kernel support for the Altivec extensions to the PowerPC processor. The kernel currently supports saving and restoring altivec registers, and turning on the 'altivec enable' bit so user processes can execute altivec instructions.

This option is only usefully if you have a processor that supports altivec (G4, otherwise known as 74xx series), but does not have any affect on a non-altivec cpu (it does, however add code to the kernel).

If in doubt, say Y here.

Support for VMX (Altivec) vector unit found in arch/ppc64/Kconfig

The configuration item CONFIG_ALTIVEC:

Help text

(none)

Hardware

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