[llvm-bugs] [Bug 25581] [ppc] redundant extsw and sldi instructions

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=25581

Eric Christopher <echristo at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #8 from Eric Christopher <echristo at gmail.com> ---
Definitely doesn't look fixed:

10072360:       a0 00 6c e9     ld 11, 160(12)
10072364:       a0 00 be eb     ld 29, 160(30)
10072368:       40 e8 2b 7c     cmpld    11, 29
1007236c:       5e 30 67 7d     isel 11, 7, 6, 1
10072370:       00 00 0b 28     cmplwi   11, 0
10072374:       9e 20 8a 7c     isel 4, 10, 4, 2
10072378:       b4 07 0a 7d     extsw 10, 8
1007237c:       b4 07 8b 7c     extsw 11, 4
10072380:       24 1f 4a 79     sldi 10, 10, 3
10072384:       24 1f 6b 79     sldi 11, 11, 3
10072388:       2a 50 89 7d     ldx 12, 9, 10
1007238c:       6a 58 69 7d     ldux 11, 9, 11
10072390:       98 2c 0c 7c     lxsdx 0, 12, 5
10072394:       98 2c 2b 7c     lxsdx 1, 11, 5
10072398:       18 09 00 f0     xscmpudp 0, 0, 1
1007239c:       58 00 80 41     bt       0, .+88

just different. Investigating.

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