diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html index 22839f2d..6e898db7 100644 --- a/htdocs/gcc-12/changes.html +++ b/htdocs/gcc-12/changes.html @@ -68,6 +68,15 @@ a work-in-progress.
-O2
, now -O2
is
+ equivalent to the original -O2 -ftree-vectorize
+ -fvect-cost-model=very-cheap
. Note that default vect cost model has
+ been changed which may have a subtle effect, for example for the case with
+ -O2 -fopenmp #pragma omp parallel for simd
.
+