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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // NOLINT | 5 #include "vm/globals.h" // NOLINT |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/cpu.h" | 9 #include "vm/cpu.h" |
10 #include "vm/heap.h" | 10 #include "vm/heap.h" |
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3334 ASSERT(CodeSize() == Instructions::kCheckedEntryOffset); | 3334 ASSERT(CodeSize() == Instructions::kCheckedEntryOffset); |
3335 SmiUntag(RBX); | 3335 SmiUntag(RBX); |
3336 testq(RDI, Immediate(kSmiTagMask)); | 3336 testq(RDI, Immediate(kSmiTagMask)); |
3337 j(ZERO, &immediate, kNearJump); | 3337 j(ZERO, &immediate, kNearJump); |
3338 | 3338 |
3339 LoadClassId(R10, RDI); | 3339 LoadClassId(R10, RDI); |
3340 | 3340 |
3341 Bind(&have_cid); | 3341 Bind(&have_cid); |
3342 cmpq(R10, RBX); | 3342 cmpq(R10, RBX); |
3343 j(NOT_EQUAL, &miss, Assembler::kNearJump); | 3343 j(NOT_EQUAL, &miss, Assembler::kNearJump); |
3344 nop(); | |
3345 | 3344 |
3346 // Fall through to unchecked entry. | 3345 // Fall through to unchecked entry. |
3347 ASSERT(CodeSize() == Instructions::kUncheckedEntryOffset); | 3346 ASSERT(CodeSize() == Instructions::kUncheckedEntryOffset); |
3348 ASSERT((CodeSize() & kSmiTagMask) == kSmiTag); | 3347 ASSERT((CodeSize() & kSmiTagMask) == kSmiTag); |
3349 } | 3348 } |
3350 | 3349 |
3351 | 3350 |
3352 #ifndef PRODUCT | 3351 #ifndef PRODUCT |
3353 void Assembler::MaybeTraceAllocation(intptr_t cid, | 3352 void Assembler::MaybeTraceAllocation(intptr_t cid, |
3354 Label* trace, | 3353 Label* trace, |
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3799 | 3798 |
3800 | 3799 |
3801 const char* Assembler::FpuRegisterName(FpuRegister reg) { | 3800 const char* Assembler::FpuRegisterName(FpuRegister reg) { |
3802 ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters)); | 3801 ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters)); |
3803 return xmm_reg_names[reg]; | 3802 return xmm_reg_names[reg]; |
3804 } | 3803 } |
3805 | 3804 |
3806 } // namespace dart | 3805 } // namespace dart |
3807 | 3806 |
3808 #endif // defined TARGET_ARCH_X64 | 3807 #endif // defined TARGET_ARCH_X64 |
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