--- a/hotspot/src/share/vm/opto/superword.cpp Mon Sep 17 17:02:10 2012 -0700
+++ b/hotspot/src/share/vm/opto/superword.cpp Mon Sep 17 19:39:07 2012 -0700
@@ -1350,11 +1350,14 @@
insert_extracts(_packset.at(i));
}
+ Compile* C = _phase->C;
+ uint max_vlen_in_bytes = 0;
for (int i = 0; i < _block.length(); i++) {
Node* n = _block.at(i);
Node_List* p = my_pack(n);
if (p && n == executed_last(p)) {
uint vlen = p->size();
+ uint vlen_in_bytes = 0;
Node* vn = NULL;
Node* low_adr = p->at(0);
Node* first = executed_first(p);
@@ -1364,7 +1367,8 @@
Node* mem = first->in(MemNode::Memory);
Node* adr = low_adr->in(MemNode::Address);
const TypePtr* atyp = n->adr_type();
- vn = LoadVectorNode::make(_phase->C, opc, ctl, mem, adr, atyp, vlen, velt_basic_type(n));
+ vn = LoadVectorNode::make(C, opc, ctl, mem, adr, atyp, vlen, velt_basic_type(n));
+ vlen_in_bytes = vn->as_LoadVector()->memory_size();
} else if (n->is_Store()) {
// Promote value to be stored to vector
Node* val = vector_opd(p, MemNode::ValueIn);
@@ -1372,7 +1376,8 @@
Node* mem = first->in(MemNode::Memory);
Node* adr = low_adr->in(MemNode::Address);
const TypePtr* atyp = n->adr_type();
- vn = StoreVectorNode::make(_phase->C, opc, ctl, mem, adr, atyp, val, vlen);
+ vn = StoreVectorNode::make(C, opc, ctl, mem, adr, atyp, val, vlen);
+ vlen_in_bytes = vn->as_StoreVector()->memory_size();
} else if (n->req() == 3) {
// Promote operands to vector
Node* in1 = vector_opd(p, 1);
@@ -1383,7 +1388,8 @@
in1 = in2;
in2 = tmp;
}
- vn = VectorNode::make(_phase->C, opc, in1, in2, vlen, velt_basic_type(n));
+ vn = VectorNode::make(C, opc, in1, in2, vlen, velt_basic_type(n));
+ vlen_in_bytes = vn->as_Vector()->length_in_bytes();
} else {
ShouldNotReachHere();
}
@@ -1395,6 +1401,10 @@
_igvn.replace_node(pm, vn);
}
_igvn._worklist.push(vn);
+
+ if (vlen_in_bytes > max_vlen_in_bytes) {
+ max_vlen_in_bytes = vlen_in_bytes;
+ }
#ifdef ASSERT
if (TraceNewVectors) {
tty->print("new Vector node: ");
@@ -1403,6 +1413,7 @@
#endif
}
}
+ C->set_max_vector_size(max_vlen_in_bytes);
}
//------------------------------vector_opd---------------------------
@@ -1439,7 +1450,7 @@
}
assert(opd->bottom_type()->isa_int(), "int type only");
// Move non constant shift count into XMM register.
- cnt = new (_phase->C, 2) MoveI2FNode(cnt);
+ cnt = new (C, 2) MoveI2FNode(cnt);
}
if (cnt != opd) {
_phase->_igvn.register_new_node_with_optimizer(cnt);
@@ -1480,10 +1491,10 @@
_phase->_igvn.register_new_node_with_optimizer(pk);
_phase->set_ctrl(pk, _phase->get_ctrl(opd));
#ifdef ASSERT
- if (TraceNewVectors) {
- tty->print("new Vector node: ");
- pk->dump();
- }
+ if (TraceNewVectors) {
+ tty->print("new Vector node: ");
+ pk->dump();
+ }
#endif
return pk;
}