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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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1171 // Label L; // unbound label | 1171 // Label L; // unbound label |
1172 // j(cc, &L); // forward branch to unbound label | 1172 // j(cc, &L); // forward branch to unbound label |
1173 // bind(&L); // bind label to the current pc | 1173 // bind(&L); // bind label to the current pc |
1174 // j(cc, &L); // backward branch to bound label | 1174 // j(cc, &L); // backward branch to bound label |
1175 // bind(&L); // illegal: a label may be bound only once | 1175 // bind(&L); // illegal: a label may be bound only once |
1176 // | 1176 // |
1177 // Note: The same Label can be used for forward and backward branches | 1177 // Note: The same Label can be used for forward and backward branches |
1178 // but it may be bound only once. | 1178 // but it may be bound only once. |
1179 | 1179 |
1180 void bind(Label* L); // binds an unbound label L to the current code position | 1180 void bind(Label* L); // binds an unbound label L to the current code position |
1181 // DEPRECATED. Use bind(Label*) with jmp(Label*, Label::kNear) instead. | |
1182 void bind(NearLabel* L); | |
1183 | 1181 |
1184 // Calls | 1182 // Calls |
1185 // Call near relative 32-bit displacement, relative to next instruction. | 1183 // Call near relative 32-bit displacement, relative to next instruction. |
1186 void call(Label* L); | 1184 void call(Label* L); |
1187 void call(Handle<Code> target, | 1185 void call(Handle<Code> target, |
1188 RelocInfo::Mode rmode, | 1186 RelocInfo::Mode rmode, |
1189 unsigned ast_id = kNoASTId); | 1187 unsigned ast_id = kNoASTId); |
1190 | 1188 |
1191 // Calls directly to the given address using a relative offset. | 1189 // Calls directly to the given address using a relative offset. |
1192 // Should only ever be used in Code objects for calls within the | 1190 // Should only ever be used in Code objects for calls within the |
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1206 // Unconditional jump to L | 1204 // Unconditional jump to L |
1207 void jmp(Label* L, Label::Distance distance = Label::kFar); | 1205 void jmp(Label* L, Label::Distance distance = Label::kFar); |
1208 void jmp(Handle<Code> target, RelocInfo::Mode rmode); | 1206 void jmp(Handle<Code> target, RelocInfo::Mode rmode); |
1209 | 1207 |
1210 // Jump near absolute indirect (r64) | 1208 // Jump near absolute indirect (r64) |
1211 void jmp(Register adr); | 1209 void jmp(Register adr); |
1212 | 1210 |
1213 // Jump near absolute indirect (m64) | 1211 // Jump near absolute indirect (m64) |
1214 void jmp(const Operand& src); | 1212 void jmp(const Operand& src); |
1215 | 1213 |
1216 // Short jump | |
1217 // DEPRECATED. Use jmp(L, Label::kNear) instead. | |
1218 void jmp(NearLabel* L); | |
1219 | |
1220 // Conditional jumps | 1214 // Conditional jumps |
1221 void j(Condition cc, | 1215 void j(Condition cc, |
1222 Label* L, | 1216 Label* L, |
1223 Hint hint, | 1217 Hint hint, |
1224 Label::Distance distance = Label::kFar); | 1218 Label::Distance distance = Label::kFar); |
1225 void j(Condition cc, Label* L, Label::Distance distance = Label::kFar) { | 1219 void j(Condition cc, Label* L, Label::Distance distance = Label::kFar) { |
1226 j(cc, L, no_hint, distance); | 1220 j(cc, L, no_hint, distance); |
1227 } | 1221 } |
1228 void j(Condition cc, Handle<Code> target, RelocInfo::Mode rmode); | 1222 void j(Condition cc, Handle<Code> target, RelocInfo::Mode rmode); |
1229 | 1223 |
1230 // Conditional short jump | |
1231 // DEPRECATED. Use jmp(L, Label::kNear) instead. | |
1232 void j(Condition cc, NearLabel* L, Hint hint = no_hint); | |
1233 | |
1234 // Floating-point operations | 1224 // Floating-point operations |
1235 void fld(int i); | 1225 void fld(int i); |
1236 | 1226 |
1237 void fld1(); | 1227 void fld1(); |
1238 void fldz(); | 1228 void fldz(); |
1239 void fldpi(); | 1229 void fldpi(); |
1240 void fldln2(); | 1230 void fldln2(); |
1241 | 1231 |
1242 void fld_s(const Operand& adr); | 1232 void fld_s(const Operand& adr); |
1243 void fld_d(const Operand& adr); | 1233 void fld_d(const Operand& adr); |
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1654 private: | 1644 private: |
1655 Assembler* assembler_; | 1645 Assembler* assembler_; |
1656 #ifdef DEBUG | 1646 #ifdef DEBUG |
1657 int space_before_; | 1647 int space_before_; |
1658 #endif | 1648 #endif |
1659 }; | 1649 }; |
1660 | 1650 |
1661 } } // namespace v8::internal | 1651 } } // namespace v8::internal |
1662 | 1652 |
1663 #endif // V8_X64_ASSEMBLER_X64_H_ | 1653 #endif // V8_X64_ASSEMBLER_X64_H_ |
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