[PATCH 1/3] S/390: Do not use signaling vector comparisons on z13
z13 supports only non-signaling vector comparisons. This means we
cannot vectorize LT, LE, GT, GE and LTGT when compiling for z13. Notify
middle-end about this by using more restrictive operator predicate in
vcond<V_HW:mode><V_HW2:mode>.
gcc/ChangeLog:
2019-10-10 Ilya Leoshkevich <iii@linux.ibm.com>
PR target/77918
* config/s390/vector.md (vcond_comparison_operator): New
predicate.
(vcond<V_HW:mode><V_HW2:mode>): Use vcond_comparison_operator.
From-SVN: r276842