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Porting C code (using intrinsics) from Cortex-M to Cortex-A?

Former Member
Former Member

Hi, I am looking at ARM CMSIS code for biquad float32 implementation. This is written for Cortex-M as documentation states. How much effort would be needed to port this code to Cortex-A53? The code should be fast, optimized using intrinsics, not assembly. Thanks.

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  • 0 in reply to Former Member

    Actually it says:
    The Cortex Microcontroller Software Interface Standard (CMSIS) is a vendor-independent hardware abstraction layer for microcontrollers that are based on Arm® Cortex® processors.

    But it does not list Armv8-A, but then you did not say whether you want to use AArch32 or AArch64.

    Edit: My bad, DSP lib is cortex-m only.

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  • 0 in reply to Former Member

    Actually it says:
    The Cortex Microcontroller Software Interface Standard (CMSIS) is a vendor-independent hardware abstraction layer for microcontrollers that are based on Arm® Cortex® processors.

    But it does not list Armv8-A, but then you did not say whether you want to use AArch32 or AArch64.

    Edit: My bad, DSP lib is cortex-m only.

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