The aapcs64 base procedure call standard requires floating point and simd registers. With the advent of a soft-float ABI for R-profile CPUs without floating point, we are making it explicit that platforms based on the System V ABI are required to use the base procedure call standard.
The aapcs64 base procedure call standard requires floating point and simd registers. With the advent of a soft-float ABI for R-profile CPUs without floating point, we are making it explicit that platforms based on the System V ABI are required to use the base procedure call standard.
Soft-float pull request in https://github.com/ARM-software/abi-aa/pull/232