Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/lcm.cpp
src/share/vm/opto/lcm.cpp
- changeset 1572
- 97125851f396
- parent 1535
- f96a1a986f7b
- child 1586
- 1271af4ec18c
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| 1571:4b84186a8248 | 1572:97125851f396 |
|---|---|
| 540 // done for oops since idealreg2debugmask takes care of debug info | 540 // done for oops since idealreg2debugmask takes care of debug info |
| 541 // references but there no way to handle oops differently than other | 541 // references but there no way to handle oops differently than other |
| 542 // pointers as far as the kill mask goes. | 542 // pointers as far as the kill mask goes. |
| 543 bool exclude_soe = op == Op_CallRuntime; | 543 bool exclude_soe = op == Op_CallRuntime; |
| 544 | 544 |
| 545 // If the call is a MethodHandle invoke, we need to exclude the | |
| 546 // register which is used to save the SP value over MH invokes from | |
| 547 // the mask. Otherwise this register could be used for | |
| 548 // deoptimization information. | |
| 549 if (op == Op_CallStaticJava) { | |
| 550 MachCallStaticJavaNode* mcallstaticjava = (MachCallStaticJavaNode*) mcall; | |
| 551 if (mcallstaticjava->_method_handle_invoke) | |
| 552 proj->_rout.OR(Matcher::method_handle_invoke_SP_save_mask()); | |
| 553 } | |
| 554 | |
| 545 // Fill in the kill mask for the call | 555 // Fill in the kill mask for the call |
| 546 for( OptoReg::Name r = OptoReg::Name(0); r < _last_Mach_Reg; r=OptoReg::add(r,1) ) { | 556 for( OptoReg::Name r = OptoReg::Name(0); r < _last_Mach_Reg; r=OptoReg::add(r,1) ) { |
| 547 if( !regs.Member(r) ) { // Not already defined by the call | 557 if( !regs.Member(r) ) { // Not already defined by the call |
| 548 // Save-on-call register? | 558 // Save-on-call register? |
| 549 if ((save_policy[r] == 'C') || | 559 if ((save_policy[r] == 'C') || |
