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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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| 3741 // Could be NaN or Infinity. If fraction is not zero, it's NaN, otherwise | 3741 // Could be NaN or Infinity. If fraction is not zero, it's NaN, otherwise |
| 3742 // it's an Infinity, and the non-NaN code path applies. | 3742 // it's an Infinity, and the non-NaN code path applies. |
| 3743 __ j(greater, &is_nan, Label::kNear); | 3743 __ j(greater, &is_nan, Label::kNear); |
| 3744 __ cmpl(FieldOperand(rax, HeapNumber::kValueOffset), Immediate(0)); | 3744 __ cmpl(FieldOperand(rax, HeapNumber::kValueOffset), Immediate(0)); |
| 3745 __ j(zero, ¬_nan); | 3745 __ j(zero, ¬_nan); |
| 3746 __ bind(&is_nan); | 3746 __ bind(&is_nan); |
| 3747 // Convert all NaNs to the same canonical NaN value when they are stored in | 3747 // Convert all NaNs to the same canonical NaN value when they are stored in |
| 3748 // the double array. | 3748 // the double array. |
| 3749 ExternalReference canonical_nan_reference = | 3749 ExternalReference canonical_nan_reference = |
| 3750 ExternalReference::address_of_canonical_non_hole_nan(); | 3750 ExternalReference::address_of_canonical_non_hole_nan(); |
| 3751 __ Set(kScratchRegister, kCanonicalNonHoleNanInt64); | 3751 __ Set(kScratchRegister, BitCast<uint64_t>( |
| 3752 FixedDoubleArray::canonical_not_the_hole_nan_as_double())); |
| 3752 __ movq(xmm0, kScratchRegister); | 3753 __ movq(xmm0, kScratchRegister); |
| 3753 __ jmp(&have_double_value, Label::kNear); | 3754 __ jmp(&have_double_value, Label::kNear); |
| 3754 | 3755 |
| 3755 __ bind(&smi_value); | 3756 __ bind(&smi_value); |
| 3756 // Value is a smi. convert to a double and store. | 3757 // Value is a smi. convert to a double and store. |
| 3757 __ SmiToInteger32(rax, rax); | 3758 __ SmiToInteger32(rax, rax); |
| 3758 __ push(rax); | 3759 __ push(rax); |
| 3759 __ fild_s(Operand(rsp, 0)); | 3760 __ fild_s(Operand(rsp, 0)); |
| 3760 __ pop(rax); | 3761 __ pop(rax); |
| 3761 __ SmiToInteger32(rcx, rcx); | 3762 __ SmiToInteger32(rcx, rcx); |
| 3762 __ fstp_d(FieldOperand(rdi, rcx, times_8, FixedDoubleArray::kHeaderSize)); | 3763 __ fstp_d(FieldOperand(rdi, rcx, times_8, FixedDoubleArray::kHeaderSize)); |
| 3763 __ ret(0); | 3764 __ ret(0); |
| 3764 | 3765 |
| 3765 // Handle store cache miss, replacing the ic with the generic stub. | 3766 // Handle store cache miss, replacing the ic with the generic stub. |
| 3766 __ bind(&miss_force_generic); | 3767 __ bind(&miss_force_generic); |
| 3767 Handle<Code> ic_force_generic = | 3768 Handle<Code> ic_force_generic = |
| 3768 masm->isolate()->builtins()->KeyedStoreIC_MissForceGeneric(); | 3769 masm->isolate()->builtins()->KeyedStoreIC_MissForceGeneric(); |
| 3769 __ jmp(ic_force_generic, RelocInfo::CODE_TARGET); | 3770 __ jmp(ic_force_generic, RelocInfo::CODE_TARGET); |
| 3770 } | 3771 } |
| 3771 | 3772 |
| 3772 | 3773 |
| 3773 #undef __ | 3774 #undef __ |
| 3774 | 3775 |
| 3775 } } // namespace v8::internal | 3776 } } // namespace v8::internal |
| 3776 | 3777 |
| 3777 #endif // V8_TARGET_ARCH_X64 | 3778 #endif // V8_TARGET_ARCH_X64 |
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