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 684
- 910a4cb98e9e
- parent 631
- d1605aabd0a1
- child 739
- dc7f315e41f7
- child 791
- 1ee8caae33af
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inserted
replaced
| 683:18aab3cdd513 | 684:910a4cb98e9e |
|---|---|
| 1220 | 1220 |
| 1221 __ shrq(start, CardTableModRefBS::card_shift); | 1221 __ shrq(start, CardTableModRefBS::card_shift); |
| 1222 __ shrq(end, CardTableModRefBS::card_shift); | 1222 __ shrq(end, CardTableModRefBS::card_shift); |
| 1223 __ subq(end, start); // number of bytes to copy | 1223 __ subq(end, start); // number of bytes to copy |
| 1224 | 1224 |
| 1225 intptr_t disp = (intptr_t) ct->byte_map_base; | |
| 1226 if (__ is_simm32(disp)) { | |
| 1227 Address cardtable(noreg, noreg, Address::no_scale, disp); | |
| 1228 __ lea(scratch, cardtable); | |
| 1229 } else { | |
| 1230 ExternalAddress cardtable((address)disp); | |
| 1231 __ lea(scratch, cardtable); | |
| 1232 } | |
| 1233 | |
| 1225 const Register count = end; // 'end' register contains bytes count now | 1234 const Register count = end; // 'end' register contains bytes count now |
| 1226 __ lea(scratch, ExternalAddress((address)ct->byte_map_base)); | |
| 1227 __ addq(start, scratch); | 1235 __ addq(start, scratch); |
| 1228 __ BIND(L_loop); | 1236 __ BIND(L_loop); |
| 1229 __ movb(Address(start, count, Address::times_1), 0); | 1237 __ movb(Address(start, count, Address::times_1), 0); |
| 1230 __ decrementq(count); | 1238 __ decrementq(count); |
| 1231 __ jcc(Assembler::greaterEqual, L_loop); | 1239 __ jcc(Assembler::greaterEqual, L_loop); |
