Re: RTL frontend, insn recognition, and pointer equality

[Bernd Schmidt]

On 10/20/2016 04:51 PM, David Malcolm wrote:
   (0|scratch:DI)
with the insn as a whole looking like:

       (cinsn (set (mem/v:BLK (0|scratch:DI) [0  A8])
                      (unspec:BLK [
                              (mem/v:BLK (reuse_rtx 0) [0  A8])
                          ] UNSPEC_MEMORY_BLOCKAGE)) "test.c":2
                   (nil))

LGTM. I'd try to expose match_dup though, it's the standard name for 
this sort of thing. Hopefully it won't have to be added to a lot of 
switch statements to shut up warnings.


Bernd