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Re: [PATCH] Optimised 1bit blitters
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From: |
Vladimir 'phcoder' Serbinenko |
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Subject: |
Re: [PATCH] Optimised 1bit blitters |
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Date: |
Sun, 23 Aug 2009 13:05:45 +0200 |
On Sun, Aug 23, 2009 at 12:48 PM, Robert Millan<address@hidden> wrote:
> On Fri, Aug 21, 2009 at 05:33:30PM +0200, Vladimir 'phcoder' Serbinenko wrote:
>> + for (j = 0; j < height; j++)
>> + {
>> + for (i = 0; i < width; i++)
>> + {
>
> It's a bit odd, but GCC doesn't seem to optimize those in a single loop.
> Could
> you use "i = 0; i < height * width; i++" instead? (for this and the other
> similar instances)
There are some operations to do after completing inner loop.
--
Regards
Vladimir 'phcoder' Serbinenko
Personal git repository: http://repo.or.cz/w/grub2/phcoder.git