Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/stubGenerator_x86_64.cpp
src/cpu/x86/vm/stubGenerator_x86_64.cpp
- changeset 7816
- 5f8824f56f39
- parent 7152
- 166d744df0de
- child 7994
- 04ff2f6cd0eb
- child 8307
- daaf806995b3
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replaced
| 7815:1e96e4389302 | 7816:5f8824f56f39 |
|---|---|
| 1326 } | 1326 } |
| 1327 __ addptr(qword_count, 4); | 1327 __ addptr(qword_count, 4); |
| 1328 __ BIND(L_end); | 1328 __ BIND(L_end); |
| 1329 if (UseAVX >= 2) { | 1329 if (UseAVX >= 2) { |
| 1330 // clean upper bits of YMM registers | 1330 // clean upper bits of YMM registers |
| 1331 __ vzeroupper(); | 1331 __ vpxor(xmm0, xmm0); |
| 1332 __ vpxor(xmm1, xmm1); | |
| 1332 } | 1333 } |
| 1333 } else { | 1334 } else { |
| 1334 // Copy 32-bytes per iteration | 1335 // Copy 32-bytes per iteration |
| 1335 __ BIND(L_loop); | 1336 __ BIND(L_loop); |
| 1336 __ movq(to, Address(end_from, qword_count, Address::times_8, -24)); | 1337 __ movq(to, Address(end_from, qword_count, Address::times_8, -24)); |
| 1403 } | 1404 } |
| 1404 __ subptr(qword_count, 4); | 1405 __ subptr(qword_count, 4); |
| 1405 __ BIND(L_end); | 1406 __ BIND(L_end); |
| 1406 if (UseAVX >= 2) { | 1407 if (UseAVX >= 2) { |
| 1407 // clean upper bits of YMM registers | 1408 // clean upper bits of YMM registers |
| 1408 __ vzeroupper(); | 1409 __ vpxor(xmm0, xmm0); |
| 1410 __ vpxor(xmm1, xmm1); | |
| 1409 } | 1411 } |
| 1410 } else { | 1412 } else { |
| 1411 // Copy 32-bytes per iteration | 1413 // Copy 32-bytes per iteration |
| 1412 __ BIND(L_loop); | 1414 __ BIND(L_loop); |
| 1413 __ movq(to, Address(from, qword_count, Address::times_8, 24)); | 1415 __ movq(to, Address(from, qword_count, Address::times_8, 24)); |
