[Bug middle-end/126912] Match vs compare simplifications

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126912

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
  144947 before/generic-match-10.cc
  145206 before/generic-match-1.cc
  159369 before/generic-match-2.cc
   40144 before/generic-match-3.cc
  158241 before/generic-match-4.cc
  144637 before/generic-match-5.cc
  142113 before/generic-match-6.cc
  146135 before/generic-match-7.cc
  143065 before/generic-match-8.cc
  144699 before/generic-match-9.cc
  147742 before/gimple-match-10.cc
  150946 before/gimple-match-1.cc
  128919 before/gimple-match-2.cc
  148929 before/gimple-match-3.cc
  150396 before/gimple-match-4.cc
  156698 before/gimple-match-5.cc
  173580 before/gimple-match-6.cc
  150169 before/gimple-match-7.cc
  147246 before/gimple-match-8.cc
  178299 before/gimple-match-9.cc
 2901480 total
[apinski@xeond2 gcc]$ wc -l after/*
   22839 after/generic-match-10.cc
   23098 after/generic-match-1.cc
   37261 after/generic-match-2.cc
   27629 after/generic-match-3.cc
   36133 after/generic-match-4.cc
   22701 after/generic-match-5.cc
   30674 after/generic-match-6.cc
   24027 after/generic-match-7.cc
   22631 after/generic-match-8.cc
   22591 after/generic-match-9.cc
   38540 after/gimple-match-10.cc
   39497 after/gimple-match-1.cc
   35977 after/gimple-match-2.cc
   67462 after/gimple-match-3.cc
   52134 after/gimple-match-4.cc
   42234 after/gimple-match-5.cc
   59116 after/gimple-match-6.cc
   37273 after/gimple-match-7.cc
   44608 after/gimple-match-8.cc
   85907 after/gimple-match-9.cc
  772332 total


This is only changing the one case which we did:
```
(for bitop (bit_and bit_ior bit_xor simple_comparison)
 (for cmp1 (tcc_comparison)
  (for cmp2 (tcc_comparison)
   (for rcmp (tcc_comparison)
```

And we no longer need rcmp for loop.