On 04/19/2018 03:58 AM, Alex Bennée wrote:
> +test-arm-iwmmxt: CFLAGS+=-marm -march=iwmmxt -mabi=aapcs
> +test-arm-iwmmxt: test-arm-iwmmxt.S

This appears to be insufficient.
If I begin with armv7l-linux-gnueabihf-gcc, then I get

  CROSS-BUILD arm guest-tests with armv7l-linux-gnueabihf-gcc
cc1: error: iWMMXt and NEON are incompatible



r~

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