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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1181 void Assembler::imull(Register dst, Register src) { | 1181 void Assembler::imull(Register dst, Register src) { |
1182 EnsureSpace ensure_space(this); | 1182 EnsureSpace ensure_space(this); |
1183 last_pc_ = pc_; | 1183 last_pc_ = pc_; |
1184 emit_optional_rex_32(dst, src); | 1184 emit_optional_rex_32(dst, src); |
1185 emit(0x0F); | 1185 emit(0x0F); |
1186 emit(0xAF); | 1186 emit(0xAF); |
1187 emit_modrm(dst, src); | 1187 emit_modrm(dst, src); |
1188 } | 1188 } |
1189 | 1189 |
1190 | 1190 |
| 1191 void Assembler::imull(Register dst, const Operand& src) { |
| 1192 EnsureSpace ensure_space(this); |
| 1193 last_pc_ = pc_; |
| 1194 emit_optional_rex_32(dst, src); |
| 1195 emit(0x0F); |
| 1196 emit(0xAF); |
| 1197 emit_operand(dst, src); |
| 1198 } |
| 1199 |
| 1200 |
1191 void Assembler::imull(Register dst, Register src, Immediate imm) { | 1201 void Assembler::imull(Register dst, Register src, Immediate imm) { |
1192 EnsureSpace ensure_space(this); | 1202 EnsureSpace ensure_space(this); |
1193 last_pc_ = pc_; | 1203 last_pc_ = pc_; |
1194 emit_optional_rex_32(dst, src); | 1204 emit_optional_rex_32(dst, src); |
1195 if (is_int8(imm.value_)) { | 1205 if (is_int8(imm.value_)) { |
1196 emit(0x6B); | 1206 emit(0x6B); |
1197 emit_modrm(dst, src); | 1207 emit_modrm(dst, src); |
1198 emit(imm.value_); | 1208 emit(imm.value_); |
1199 } else { | 1209 } else { |
1200 emit(0x69); | 1210 emit(0x69); |
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3069 EnsureSpace ensure_space(this); | 3079 EnsureSpace ensure_space(this); |
3070 emitl(data); | 3080 emitl(data); |
3071 } | 3081 } |
3072 | 3082 |
3073 | 3083 |
3074 // Relocation information implementations. | 3084 // Relocation information implementations. |
3075 | 3085 |
3076 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { | 3086 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { |
3077 ASSERT(rmode != RelocInfo::NONE); | 3087 ASSERT(rmode != RelocInfo::NONE); |
3078 // Don't record external references unless the heap will be serialized. | 3088 // Don't record external references unless the heap will be serialized. |
3079 if (rmode == RelocInfo::EXTERNAL_REFERENCE && | 3089 if (rmode == RelocInfo::EXTERNAL_REFERENCE) { |
3080 !Serializer::enabled() && | 3090 #ifdef DEBUG |
3081 !FLAG_debug_code) { | 3091 if (!Serializer::enabled()) { |
3082 return; | 3092 Serializer::TooLateToEnableNow(); |
| 3093 } |
| 3094 #endif |
| 3095 if (!Serializer::enabled() && !FLAG_debug_code) { |
| 3096 return; |
| 3097 } |
3083 } | 3098 } |
3084 RelocInfo rinfo(pc_, rmode, data); | 3099 RelocInfo rinfo(pc_, rmode, data); |
3085 reloc_info_writer.Write(&rinfo); | 3100 reloc_info_writer.Write(&rinfo); |
3086 } | 3101 } |
3087 | 3102 |
3088 void Assembler::RecordJSReturn() { | 3103 void Assembler::RecordJSReturn() { |
3089 positions_recorder()->WriteRecordedPositions(); | 3104 positions_recorder()->WriteRecordedPositions(); |
3090 EnsureSpace ensure_space(this); | 3105 EnsureSpace ensure_space(this); |
3091 RecordRelocInfo(RelocInfo::JS_RETURN); | 3106 RecordRelocInfo(RelocInfo::JS_RETURN); |
3092 } | 3107 } |
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3116 // specially coded on x64 means that it is a relative 32 bit address, as used | 3131 // specially coded on x64 means that it is a relative 32 bit address, as used |
3117 // by branch instructions. | 3132 // by branch instructions. |
3118 return (1 << rmode_) & kApplyMask; | 3133 return (1 << rmode_) & kApplyMask; |
3119 } | 3134 } |
3120 | 3135 |
3121 | 3136 |
3122 | 3137 |
3123 } } // namespace v8::internal | 3138 } } // namespace v8::internal |
3124 | 3139 |
3125 #endif // V8_TARGET_ARCH_X64 | 3140 #endif // V8_TARGET_ARCH_X64 |
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