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Altera_Forum's avatar
Altera_Forum
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13 years ago

A big bug?

Hi, Here is a simple program:# include <stdio.h># include <io.h># include "sys/alt_stdio.h"# include "alt_types.h"# include "system.h" alt_u8 SND[1100]; int main() { int i; ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Since SND[] is a byte array, it might have any alignment. You can force a larger alignment (with gcc) by writing: 

unsigned char SND __attribute__((aligned(32)));

You can similarly reduce the alignment of structure members - gcc will generate code to read/write the separate bytes of the field.