OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 |
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
48 void StubRuntimeCallHelper::AfterCall(MacroAssembler* masm) const { | 48 void StubRuntimeCallHelper::AfterCall(MacroAssembler* masm) const { |
49 masm->LeaveFrame(StackFrame::INTERNAL); | 49 masm->LeaveFrame(StackFrame::INTERNAL); |
50 ASSERT(masm->has_frame()); | 50 ASSERT(masm->has_frame()); |
51 masm->set_has_frame(false); | 51 masm->set_has_frame(false); |
52 } | 52 } |
53 | 53 |
54 | 54 |
55 #define __ masm. | 55 #define __ masm. |
56 | 56 |
57 | 57 |
58 UnaryMathFunction CreateTranscendentalFunction(TranscendentalCache::Type type) { | |
59 size_t actual_size; | |
60 // Allocate buffer in executable space. | |
61 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, | |
62 &actual_size, | |
63 true)); | |
64 if (buffer == NULL) { | |
65 // Fallback to library function if function cannot be created. | |
66 switch (type) { | |
67 case TranscendentalCache::LOG: return &log; | |
68 default: UNIMPLEMENTED(); | |
69 } | |
70 } | |
71 | |
72 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | |
73 // xmm0: raw double input. | |
74 // Move double input into registers. | |
75 __ push(rbx); | |
76 __ push(rdi); | |
77 __ movq(rbx, xmm0); | |
78 __ push(rbx); | |
79 __ fld_d(Operand(rsp, 0)); | |
80 TranscendentalCacheStub::GenerateOperation(&masm, type); | |
81 // The return value is expected to be in xmm0. | |
82 __ fstp_d(Operand(rsp, 0)); | |
83 __ pop(rbx); | |
84 __ movq(xmm0, rbx); | |
85 __ pop(rdi); | |
86 __ pop(rbx); | |
87 __ Ret(); | |
88 | |
89 CodeDesc desc; | |
90 masm.GetCode(&desc); | |
91 ASSERT(!RelocInfo::RequiresRelocation(desc)); | |
92 | |
93 CPU::FlushICache(buffer, actual_size); | |
94 OS::ProtectCode(buffer, actual_size); | |
95 return FUNCTION_CAST<UnaryMathFunction>(buffer); | |
96 } | |
97 | |
98 | |
99 UnaryMathFunction CreateExpFunction() { | 58 UnaryMathFunction CreateExpFunction() { |
100 if (!FLAG_fast_math) return &exp; | 59 if (!FLAG_fast_math) return &exp; |
101 size_t actual_size; | 60 size_t actual_size; |
102 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); | 61 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); |
103 if (buffer == NULL) return &exp; | 62 if (buffer == NULL) return &exp; |
104 ExternalReference::InitializeMathExpData(); | 63 ExternalReference::InitializeMathExpData(); |
105 | 64 |
106 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | 65 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); |
107 // xmm0: raw double input. | 66 // xmm0: raw double input. |
108 XMMRegister input = xmm0; | 67 XMMRegister input = xmm0; |
(...skipping 642 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
751 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. | 710 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. |
752 return Operand(base_reg_, argument_count_reg_, times_pointer_size, | 711 return Operand(base_reg_, argument_count_reg_, times_pointer_size, |
753 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); | 712 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); |
754 } | 713 } |
755 } | 714 } |
756 | 715 |
757 | 716 |
758 } } // namespace v8::internal | 717 } } // namespace v8::internal |
759 | 718 |
760 #endif // V8_TARGET_ARCH_X64 | 719 #endif // V8_TARGET_ARCH_X64 |
OLD | NEW |