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Re: Emit jump insn in function prologue


Jan Hubicka <hubicka@ucw.cz> writes:

>> I don't know of any existing cases where the prologue needs a jump, but
>> it should be easy enough to emit a jump insn and set JUMP_LABEL
>> yourself.
>
> x86_64 has jump around saving SSE regs for variadic function prologue.

Doesn't count, because that is done in the TARGET_SETUP_INCOMING_VARARGS
hook which is called before reload.  The interesting case here is
prologue generation done after reload.

Ian


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