Question regarding constraint usage within inline asm

[Peter Bergner]

On 2/20/19 4:19 PM, Alan Modra wrote:
> I forgot to say, gcc-6, gcc-7 and gcc-8 handle your original testcase
> with the register asm just fine.

Yes, because they don't have my IRA and LRA patches that exposed this
problem. I would say they were buggy for not complaining and silently
spilling a hard register in the case where we used asm reg("...").

Peter