1.1 --- a/src/share/vm/opto/mulnode.cpp Tue Oct 09 10:09:34 2012 -0700
1.2 +++ b/src/share/vm/opto/mulnode.cpp Fri Oct 12 09:22:52 2012 -0700
1.3 @@ -599,20 +599,6 @@
1.4 Node* in1 = in(1);
1.5 uint op = in1->Opcode();
1.6
1.7 - // Masking sign bits off of an integer? Do an unsigned integer to
1.8 - // long load.
1.9 - // NOTE: This check must be *before* we try to convert the AndLNode
1.10 - // to an AndINode and commute it with ConvI2LNode because
1.11 - // 0xFFFFFFFFL masks the whole integer and we get a sign extension,
1.12 - // which is wrong.
1.13 - if (op == Op_ConvI2L && in1->in(1)->Opcode() == Op_LoadI && mask == CONST64(0x00000000FFFFFFFF)) {
1.14 - Node* load = in1->in(1);
1.15 - return new (phase->C) LoadUI2LNode(load->in(MemNode::Control),
1.16 - load->in(MemNode::Memory),
1.17 - load->in(MemNode::Address),
1.18 - load->adr_type());
1.19 - }
1.20 -
1.21 // Are we masking a long that was converted from an int with a mask
1.22 // that fits in 32-bits? Commute them and use an AndINode. Don't
1.23 // convert masks which would cause a sign extension of the integer
