On Thu, Jan 19, 2012 at 2:12 PM, Alexander Herz wrote:
> The generated non-vectorized assembly is simply the unrolled loop with >8
> iterations, so loop structure is pretty much intact (except for unrolling).
>
> Does the vectorizer fail on unrolled loops?
>
> I can compile some assembly dumps sho
The generated non-vectorized assembly is simply the unrolled loop with
>8 iterations, so loop structure is pretty much intact (except for
unrolling).
Does the vectorizer fail on unrolled loops?
I can compile some assembly dumps showing both the vectorized and the
unvectorized loop?
Alex
On
On Wed, Jan 18, 2012 at 6:37 PM, Alexander Herz wrote:
> Given this piece of code (gcc-4.7-20120114):
>
> static void Test(Batch* block,Batch* new_block,const uint32 offs)
> {
>
> T* __restrict old_values
> =(T*)__builtin_assume_aligned(block->items,16);
> T* __restrict new_val
