Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/mips/vm/macroAssembler_mips.cpp
src/cpu/mips/vm/macroAssembler_mips.cpp
- changeset 6886
- 2fa8027581f6
- parent 6880
- 52ea28d233d2
- child 7995
- 67882e9d8b35
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| 6885:75ee8543b584 | 6886:2fa8027581f6 |
|---|---|
| 1320 if (needs_explicit_null_check(offset)) { | 1320 if (needs_explicit_null_check(offset)) { |
| 1321 // provoke OS NULL exception if reg = NULL by | 1321 // provoke OS NULL exception if reg = NULL by |
| 1322 // accessing M[reg] w/o changing any (non-CC) registers | 1322 // accessing M[reg] w/o changing any (non-CC) registers |
| 1323 // NOTE: cmpl is plenty here to provoke a segv | 1323 // NOTE: cmpl is plenty here to provoke a segv |
| 1324 lw(AT, reg, 0); | 1324 lw(AT, reg, 0); |
| 1325 /* Jin | |
| 1326 nop(); | |
| 1327 nop(); | |
| 1328 nop(); | |
| 1329 */ | |
| 1330 // Note: should probably use testl(rax, Address(reg, 0)); | 1325 // Note: should probably use testl(rax, Address(reg, 0)); |
| 1331 // may be shorter code (however, this version of | 1326 // may be shorter code (however, this version of |
| 1332 // testl needs to be implemented first) | 1327 // testl needs to be implemented first) |
| 1333 } else { | 1328 } else { |
| 1334 // nothing to do, (later) access of M[reg + offset] | 1329 // nothing to do, (later) access of M[reg + offset] |
