Load 8bit uint8_t as uint32_t?

Question

my image processing project works with grayscale images. I have ARM Cortex-A8 processor platform. I want to make use of the NEON.

I have a grayscale image( consider

Answer 1

Depends on your compiler and (possible lack of) extensions.

Ie. for GCC, this might be a starting point: http://gcc.gnu.org/onlinedocs/gcc/ARM-NEON-Intrinsics.html