r272407 - in /trunk/gcc: ChangeLog config/aarch...

Tue Jun 18 08:09:00 GMT 2019

Author: alejandro
Date: Tue Jun 18 08:09:00 2019
New Revision: 272407

URL: https://gcc.gnu.org/viewcvs?rev=272407&root=gcc&view=rev
Log:
[Vectorizer] Support masking fold left reductions

This patch adds support in the vectorizer for masking fold left reductions.
This avoids the need to insert a conditional assignement with some identity
value.

Added:
    trunk/gcc/testsuite/gcc.target/aarch64/sve/fadda_1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-sve.md
    trunk/gcc/doc/md.texi
    trunk/gcc/internal-fn.c
    trunk/gcc/internal-fn.def
    trunk/gcc/optabs.def
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c