14.5 Wireless MMX Technology and XScale instructions

Wireless MMX Technology instructions overlap with XScale instructions. To avoid conflicts, the assembler has some restrictions.

The following restrictions apply:

  • You cannot mix the XScale instructions with Wireless MMX Technology instructions in the same assembly.

  • Wireless MMX Technology TMIA instructions have a MIA mnemonic that overlaps with the XScale MIA instructions. Be aware that:

    • MIA acc0, Rm, Rs is accepted in XScale, but faulted in Wireless MMX Technology.

    • MIA wR0, Rm, Rs and TMIA wR0, Rm, Rs are accepted in Wireless MMX Technology.

    • TMIA acc0, Rm, Rs is faulted in XScale (XScale has no TMIA instruction).

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