On Tuesday, August 23, 2011 17:48:50 Anton Staaf wrote: > I wasn't going to say it. :) How about something like this, which is > very similar to what you had Mike, but doesn't define the array in the > macro. It's a bit clearer what is going on, but also requires a bit > more work at each use. > > #define DCACHE_RESIZE(size) ((size) + get_dcache_line_size() - 1) > #define DCACHE_ALIGN(buffer) ((buffer) + get_dcache_line_size() - 1) & > ~(get_dcache_line_size() - 1) > > char buffer[DCACHE_RESIZE(100)];
as long as people always use a byte-sized type (i.e. char), this should work.
obviously using "u32 buffer[...]" will be bad.
> It would be awesome if the idea below worked, but it can't because the
> array is popped when the ({...}) scope is exited I believe.
yes, i believe you are correct.
-mike
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