Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/templateInterpreter_x86_32.cpp
src/cpu/x86/vm/templateInterpreter_x86_32.cpp
- changeset 2552
- 638119ce7cfd
- parent 2461
- b599a4c6c2df
- child 2698
- 38fea01eb669
- child 2781
- e1162778c1c8
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| 2551:4f26f535a225 | 2552:638119ce7cfd |
|---|---|
| 175 } | 175 } |
| 176 | 176 |
| 177 | 177 |
| 178 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) { | 178 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) { |
| 179 TosState incoming_state = state; | 179 TosState incoming_state = state; |
| 180 | 180 address entry = __ pc(); |
| 181 Label interpreter_entry; | |
| 182 address compiled_entry = __ pc(); | |
| 183 | 181 |
| 184 #ifdef COMPILER2 | 182 #ifdef COMPILER2 |
| 185 // The FPU stack is clean if UseSSE >= 2 but must be cleaned in other cases | 183 // The FPU stack is clean if UseSSE >= 2 but must be cleaned in other cases |
| 186 if ((incoming_state == ftos && UseSSE < 1) || (incoming_state == dtos && UseSSE < 2)) { | 184 if ((incoming_state == ftos && UseSSE < 1) || (incoming_state == dtos && UseSSE < 2)) { |
| 187 for (int i = 1; i < 8; i++) { | 185 for (int i = 1; i < 8; i++) { |
| 194 if ((incoming_state == ftos && UseSSE < 1) || (incoming_state == dtos && UseSSE < 2)) { | 192 if ((incoming_state == ftos && UseSSE < 1) || (incoming_state == dtos && UseSSE < 2)) { |
| 195 __ MacroAssembler::verify_FPU(1, "generate_return_entry_for compiled"); | 193 __ MacroAssembler::verify_FPU(1, "generate_return_entry_for compiled"); |
| 196 } else { | 194 } else { |
| 197 __ MacroAssembler::verify_FPU(0, "generate_return_entry_for compiled"); | 195 __ MacroAssembler::verify_FPU(0, "generate_return_entry_for compiled"); |
| 198 } | 196 } |
| 199 | |
| 200 __ jmp(interpreter_entry, relocInfo::none); | |
| 201 // emit a sentinel we can test for when converting an interpreter | |
| 202 // entry point to a compiled entry point. | |
| 203 __ a_long(Interpreter::return_sentinel); | |
| 204 __ a_long((int)compiled_entry); | |
| 205 address entry = __ pc(); | |
| 206 __ bind(interpreter_entry); | |
| 207 | 197 |
| 208 // In SSE mode, interpreter returns FP results in xmm0 but they need | 198 // In SSE mode, interpreter returns FP results in xmm0 but they need |
| 209 // to end up back on the FPU so it can operate on them. | 199 // to end up back on the FPU so it can operate on them. |
| 210 if (incoming_state == ftos && UseSSE >= 1) { | 200 if (incoming_state == ftos && UseSSE >= 1) { |
| 211 __ subptr(rsp, wordSize); | 201 __ subptr(rsp, wordSize); |
