earlier gcc versions had problems with -mregparm and with -pg. I just
did a quick test with latest gcc and at a quick glance it seems to work
better - i'll propagate that throught he whole latency tracer to see
whether it's indeed working throughout. Anyway, this means that there's
no urgent need for this patch and we've dropped it from the x86 queue
for now. As long as it only affects older gcc's it's probably not worth
force-keeping the annotations for that purpose alone.
Ingo
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