[Bug tree-optimization/86270] [10/11/12/13/14 Regression] Simple loop needs an extra register and an extra instruction

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86270

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2018-06-22 00:00:00         |2023-5-30

--- Comment #14 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There is still an extra move inside the loop:
.L3:
        movq    %rax, %rdx
        movl    %eax, (%rsi,%rax,4)
        addq    $1, %rax
        cmpq    %rcx, %rdx
        jne     .L3