https://bugs.kde.org/show_bug.cgi?id=404054
Mark Wielaard <m...@klomp.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Status|REPORTED |CONFIRMED
--- Comment #2 from Mark Wielaard <m...@klomp.org> ---
My initial idea was to just recognize subfe x,x,x in the ppc frontend, but
Jakub and Julian both pointed out this is a more generic issue.
This is really making sure we recognize the pattern for extracting the carry
flag for any target that have similar instructions (subtract with
borrow/carry).
An example for x86 would be sbb edx, edx.
Which is edx = edx - (edx + CF) => edx = -CF
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