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comparison src/share/vm/c1/c1_Canonicalizer.cpp @ 1584:b812ff5abc73

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6958292: C1: Enable parallel compilation Summary: Enable parallel compilation in C1 Reviewed-by: never, kvn
author iveresov
date Fri, 04 Jun 2010 11:18:04 -0700
parents c18cbe5936b8
children d5d065957597
comparison
equal deleted inserted replaced
1583:02e771df338e 1584:b812ff5abc73
24 24
25 #include "incls/_precompiled.incl" 25 #include "incls/_precompiled.incl"
26 #include "incls/_c1_Canonicalizer.cpp.incl" 26 #include "incls/_c1_Canonicalizer.cpp.incl"
27 27
28 28
29 static void do_print_value(Value* vp) { 29 class PrintValueVisitor: public ValueVisitor {
30 (*vp)->print_line(); 30 void visit(Value* vp) {
31 } 31 (*vp)->print_line();
32 }
33 };
32 34
33 void Canonicalizer::set_canonical(Value x) { 35 void Canonicalizer::set_canonical(Value x) {
34 assert(x != NULL, "value must exist"); 36 assert(x != NULL, "value must exist");
35 // Note: we can not currently substitute root nodes which show up in 37 // Note: we can not currently substitute root nodes which show up in
36 // the instruction stream (because the instruction list is embedded 38 // the instruction stream (because the instruction list is embedded
37 // in the instructions). 39 // in the instructions).
38 if (canonical() != x) { 40 if (canonical() != x) {
39 if (PrintCanonicalization) { 41 if (PrintCanonicalization) {
40 canonical()->input_values_do(do_print_value); 42 PrintValueVisitor do_print_value;
43 canonical()->input_values_do(&do_print_value);
41 canonical()->print_line(); 44 canonical()->print_line();
42 tty->print_cr("canonicalized to:"); 45 tty->print_cr("canonicalized to:");
43 x->input_values_do(do_print_value); 46 x->input_values_do(&do_print_value);
44 x->print_line(); 47 x->print_line();
45 tty->cr(); 48 tty->cr();
46 } 49 }
47 assert(_canonical->type()->tag() == x->type()->tag(), "types must match"); 50 assert(_canonical->type()->tag() == x->type()->tag(), "types must match");
48 _canonical = x; 51 _canonical = x;
200 case Bytecodes::_i2c: if (type == T_CHAR || type == T_BYTE) value = conv->value(); break; 203 case Bytecodes::_i2c: if (type == T_CHAR || type == T_BYTE) value = conv->value(); break;
201 } 204 }
202 // limit this optimization to current block 205 // limit this optimization to current block
203 if (value != NULL && in_current_block(conv)) { 206 if (value != NULL && in_current_block(conv)) {
204 set_canonical(new StoreField(x->obj(), x->offset(), x->field(), value, x->is_static(), 207 set_canonical(new StoreField(x->obj(), x->offset(), x->field(), value, x->is_static(),
205 x->lock_stack(), x->state_before(), x->is_loaded(), x->is_initialized())); 208 x->lock_stack(), x->state_before(), x->is_loaded(), x->is_initialized()));
206 return; 209 return;
207 } 210 }
208 } 211 }
209 212
210 } 213 }