On Sun, 28 Jan 2024, Vincent MAILHOL wrote:
The asm is meant to produce better results when the argument is not a constant expression.
Is that because gcc's implementation has to satisfy requirements that are excessively stringent for the kernel's purposes? Or is it a compiler deficiency only affecting certain architectures?
... The only thing I am not ready to do is to compare the produced assembly code and confirm whether or not it is better to remove asm code.
If you do the comparison and find no change, you get to say so in the commit log, and everyone is happy.
