[Libre-soc-bugs] [Bug 238] POWER Compressed Formal Standard writeup

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=238

--- Comment #173 from Alexandre Oliva <oliva at gnu.org> ---
in comment 159, I asked what mode branch targets had to be in

we have to keep in mind that bl will eventually make the next insn a branch
target for blr, so the insn after bl also has to satisfy the properties of
branch targets.  therefore branch-and-link doesn't need for M or N ever: the
(statically) next insn must be in uncompressed mode.

we also have to look into the implications of what the linker may have to
change, both in the b-and-l and in the next insn, to see whether our bl insn
can be successfully modified by the linker, if it needs to do that

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