[Bug tree-optimization/87031] [12/13/14/15 Regression] nios2 optimization for size - two cases of regression relatively to 5.3.0 (loop unrolling)

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87031

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nios2 optimization for size |[12/13/14/15 Regression]
                   |- two cases of regression   |nios2 optimization for size
                   |relatively to 5.3.0 (loop   |- two cases of regression
                   |unrolling)                  |relatively to 5.3.0 (loop
                   |                            |unrolling)
      Known to fail|                            |15.0, 7.3.0
             Target|                            |nios2 aarch64
      Known to work|                            |5.4.0, 6.3.0
   Target Milestone|---                         |12.5

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Still an issue on the trunk:
size: 24-3, last_iteration: 19-3
  Loop size: 24
  Estimated size after unrolling: 37

That is we are unrolling the outer loop.