Sorry for the slow review.
Alejandro Martinez Vicente writes:
> diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
> index 4942c69..7840ed8 100644
> --- a/gcc/tree-vect-loop.c
> +++ b/gcc/tree-vect-loop.c
> @@ -5881,6 +5881,31 @@ vect_expand_fold_left (gimple_stmt_iterator *gsi, tree
> sca
Hi,
This patch adds support in the vectorizer for masking fold left reductions.
This avoids the need to insert a conditional assignment with some identity
value.
For example, this C code:
double
f (double *restrict x, int n)
{
double res = 0.0;
for (int i = 0; i < n; i++)
{
res +=
