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}
//------------------------------transform_loop---------------------------
void SuperWord::transform_loop(IdealLoopTree* lpt, bool do_optimization) {
assert(UseSuperWord, "should be");
! // Do vectors exist on this architecture?
! if (Matcher::vector_width_in_bytes(T_BYTE) < 2) return;
assert(lpt->_head->is_CountedLoop(), "must be");
CountedLoopNode *cl = lpt->_head->as_CountedLoop();
if (!cl->is_valid_counted_loop()) return; // skip malformed counted loop
}
//------------------------------transform_loop---------------------------
void SuperWord::transform_loop(IdealLoopTree* lpt, bool do_optimization) {
assert(UseSuperWord, "should be");
! // SuperWord only works with power of two vector sizes.
! int vector_width = Matcher::vector_width_in_bytes(T_BYTE);
+ if (vector_width < 2 || !is_power_of_2(vector_width)) {
+ return;
+ }
assert(lpt->_head->is_CountedLoop(), "must be");
CountedLoopNode *cl = lpt->_head->as_CountedLoop();
if (!cl->is_valid_counted_loop()) return; // skip malformed counted loop
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