jhibbits added a comment.
Thanks for the feedback. I can add the -mspe=yes/no, that shouldn't be hard.
I didn't include it because it's been deprecated by GCC already as well. I can
add the -mcpu=8548 option as well. I use -mcpu=8540 on FreeBSD for the
powerpcspe target anyway (GCC based).
Regarding the stack overwriting, that's very peculiar, because I explicitly
mark the immediate as needing to be an 8-bit multiple-of-8 value, so the
codegen logic should take that into account. I'm surprised it's not. I've
reproduced it as well myself, so I can take a closer look.
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