[Bug tree-optimization/18463] [4.0/4.1 Regression] suboptimal use of fancy x86 addressing modes

[jh at suse dot cz]

------- Additional Comments From jh at suse dot cz  2005-06-13 13:40 -------
Subject: Re:  [4.0/4.1 Regression] suboptimal use of fancy x86 addressing modes

> 
> ------- Additional Comments From pinskia at gcc dot gnu dot org  2005-06-13 12:46 -------
> On the mainline we get now:
> .L4:
>         movl    (%ebp,%edx,4), %eax
>         movl    %eax, (%ebx,%edx,4)
>         movl    (%esi,%edx,4), %eax
>         movl    %eax, (%ecx,%edx,4)
>         incl    %edx
>         cmpl    %edx, %edi
>         jne     .L4
> 
> Which is better but the two loads/stores are not scheduled.

-frename-registers?  But hardware will do that for you anyway.

Honza
> 
> -- 
> 
> 
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18463
> 
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18463