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Re: [PATCH] Don't assume MEM_SIZE is always set in rs6000 adjacent_mem_locations (PR target/34225)
>>>>> Jakub Jelinek writes:
Jakub> Well, stack_tie is presented as real instruction, the only thing the ppc
Jakub> backend can see on it exceptional is zero length.
Jakub> That said, rs6000_variable_issue and the various is_*_insn probably
Jakub> should special case stack_tie, in most cases handle it the same way
Jakub> as USE or CLOBBER. But it is not a correctness issue, but just something
Jakub> to get better scheduling.
Okay, go ahead with your patch. I will figure out how to follow
up with code to ignore stack_tie for scheduling purposes as an