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Issue 34753004: Make macro-assembler-x64 deal with handles to objects in new space by default. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 2 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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193 193
194 } else if (source->IsConstantOperand()) { 194 } else if (source->IsConstantOperand()) {
195 LConstantOperand* constant_source = LConstantOperand::cast(source); 195 LConstantOperand* constant_source = LConstantOperand::cast(source);
196 if (destination->IsRegister()) { 196 if (destination->IsRegister()) {
197 Register dst = cgen_->ToRegister(destination); 197 Register dst = cgen_->ToRegister(destination);
198 if (cgen_->IsSmiConstant(constant_source)) { 198 if (cgen_->IsSmiConstant(constant_source)) {
199 __ Move(dst, cgen_->ToSmi(constant_source)); 199 __ Move(dst, cgen_->ToSmi(constant_source));
200 } else if (cgen_->IsInteger32Constant(constant_source)) { 200 } else if (cgen_->IsInteger32Constant(constant_source)) {
201 __ movl(dst, Immediate(cgen_->ToInteger32(constant_source))); 201 __ movl(dst, Immediate(cgen_->ToInteger32(constant_source)));
202 } else { 202 } else {
203 __ LoadObject(dst, cgen_->ToHandle(constant_source)); 203 __ Move(dst, cgen_->ToHandle(constant_source));
204 } 204 }
205 } else if (destination->IsDoubleRegister()) { 205 } else if (destination->IsDoubleRegister()) {
206 double v = cgen_->ToDouble(constant_source); 206 double v = cgen_->ToDouble(constant_source);
207 uint64_t int_val = BitCast<uint64_t, double>(v); 207 uint64_t int_val = BitCast<uint64_t, double>(v);
208 XMMRegister dst = cgen_->ToDoubleRegister(destination); 208 XMMRegister dst = cgen_->ToDoubleRegister(destination);
209 if (int_val == 0) { 209 if (int_val == 0) {
210 __ xorps(dst, dst); 210 __ xorps(dst, dst);
211 } else { 211 } else {
212 __ movq(kScratchRegister, int_val, RelocInfo::NONE64); 212 __ movq(kScratchRegister, int_val, RelocInfo::NONE64);
213 __ movq(dst, kScratchRegister); 213 __ movq(dst, kScratchRegister);
214 } 214 }
215 } else { 215 } else {
216 ASSERT(destination->IsStackSlot()); 216 ASSERT(destination->IsStackSlot());
217 Operand dst = cgen_->ToOperand(destination); 217 Operand dst = cgen_->ToOperand(destination);
218 if (cgen_->IsSmiConstant(constant_source)) { 218 if (cgen_->IsSmiConstant(constant_source)) {
219 __ Move(dst, cgen_->ToSmi(constant_source)); 219 __ Move(dst, cgen_->ToSmi(constant_source));
220 } else if (cgen_->IsInteger32Constant(constant_source)) { 220 } else if (cgen_->IsInteger32Constant(constant_source)) {
221 // Zero top 32 bits of a 64 bit spill slot that holds a 32 bit untagged 221 // Zero top 32 bits of a 64 bit spill slot that holds a 32 bit untagged
222 // value. 222 // value.
223 __ movq(dst, Immediate(cgen_->ToInteger32(constant_source))); 223 __ movq(dst, Immediate(cgen_->ToInteger32(constant_source)));
224 } else { 224 } else {
225 __ LoadObject(kScratchRegister, cgen_->ToHandle(constant_source)); 225 __ Move(kScratchRegister, cgen_->ToHandle(constant_source));
226 __ movq(dst, kScratchRegister); 226 __ movq(dst, kScratchRegister);
227 } 227 }
228 } 228 }
229 229
230 } else if (source->IsDoubleRegister()) { 230 } else if (source->IsDoubleRegister()) {
231 XMMRegister src = cgen_->ToDoubleRegister(source); 231 XMMRegister src = cgen_->ToDoubleRegister(source);
232 if (destination->IsDoubleRegister()) { 232 if (destination->IsDoubleRegister()) {
233 __ movaps(cgen_->ToDoubleRegister(destination), src); 233 __ movaps(cgen_->ToDoubleRegister(destination), src);
234 } else { 234 } else {
235 ASSERT(destination->IsDoubleStackSlot()); 235 ASSERT(destination->IsDoubleStackSlot());
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327 moves_[i].set_source(source); 327 moves_[i].set_source(source);
328 } 328 }
329 } 329 }
330 } 330 }
331 331
332 #undef __ 332 #undef __
333 333
334 } } // namespace v8::internal 334 } } // namespace v8::internal
335 335
336 #endif // V8_TARGET_ARCH_X64 336 #endif // V8_TARGET_ARCH_X64
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