Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/addnode.cpp
src/share/vm/opto/addnode.cpp
- changeset 755
- 2b73d212b1fd
- parent 741
- af945ba2e739
- child 835
- cc80376deb0c
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inserted
replaced
| 754:cdbee661c7da | 755:2b73d212b1fd |
|---|---|
| 155 // Convert "(x+1)+y" into "(x+y)+1". Push constants down the expression tree. | 155 // Convert "(x+1)+y" into "(x+y)+1". Push constants down the expression tree. |
| 156 if( add1_op == this_op && !con_right ) { | 156 if( add1_op == this_op && !con_right ) { |
| 157 Node *a12 = add1->in(2); | 157 Node *a12 = add1->in(2); |
| 158 const Type *t12 = phase->type( a12 ); | 158 const Type *t12 = phase->type( a12 ); |
| 159 if( t12->singleton() && t12 != Type::TOP && (add1 != add1->in(1)) ) { | 159 if( t12->singleton() && t12 != Type::TOP && (add1 != add1->in(1)) ) { |
| 160 assert(add1->in(1) != this, "dead loop in AddNode::Ideal"); | |
| 160 add2 = add1->clone(); | 161 add2 = add1->clone(); |
| 161 add2->set_req(2, in(2)); | 162 add2->set_req(2, in(2)); |
| 162 add2 = phase->transform(add2); | 163 add2 = phase->transform(add2); |
| 163 set_req(1, add2); | 164 set_req(1, add2); |
| 164 set_req(2, a12); | 165 set_req(2, a12); |
| 171 int add2_op = add2->Opcode(); | 172 int add2_op = add2->Opcode(); |
| 172 if( add2_op == this_op && !con_left ) { | 173 if( add2_op == this_op && !con_left ) { |
| 173 Node *a22 = add2->in(2); | 174 Node *a22 = add2->in(2); |
| 174 const Type *t22 = phase->type( a22 ); | 175 const Type *t22 = phase->type( a22 ); |
| 175 if( t22->singleton() && t22 != Type::TOP && (add2 != add2->in(1)) ) { | 176 if( t22->singleton() && t22 != Type::TOP && (add2 != add2->in(1)) ) { |
| 177 assert(add2->in(1) != this, "dead loop in AddNode::Ideal"); | |
| 176 Node *addx = add2->clone(); | 178 Node *addx = add2->clone(); |
| 177 addx->set_req(1, in(1)); | 179 addx->set_req(1, in(1)); |
| 178 addx->set_req(2, add2->in(1)); | 180 addx->set_req(2, add2->in(1)); |
| 179 addx = phase->transform(addx); | 181 addx = phase->transform(addx); |
| 180 set_req(1, addx); | 182 set_req(1, addx); |
