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Issue 9580007: Revert r10908 due to flakiness and crashes. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 9 months ago
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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
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #include "v8.h" 28 #include "v8.h"
29 29
30 #if defined(V8_TARGET_ARCH_IA32) 30 #if defined(V8_TARGET_ARCH_IA32)
31 31
32 #include "codegen.h" 32 #include "codegen.h"
33 #include "heap.h"
34 #include "macro-assembler.h" 33 #include "macro-assembler.h"
35 34
36 namespace v8 { 35 namespace v8 {
37 namespace internal { 36 namespace internal {
38 37
39 38
40 // ------------------------------------------------------------------------- 39 // -------------------------------------------------------------------------
41 // Platform-specific RuntimeCallHelper functions. 40 // Platform-specific RuntimeCallHelper functions.
42 41
43 void StubRuntimeCallHelper::BeforeCall(MacroAssembler* masm) const { 42 void StubRuntimeCallHelper::BeforeCall(MacroAssembler* masm) const {
44 masm->EnterFrame(StackFrame::INTERNAL); 43 masm->EnterFrame(StackFrame::INTERNAL);
45 ASSERT(!masm->has_frame()); 44 ASSERT(!masm->has_frame());
46 masm->set_has_frame(true); 45 masm->set_has_frame(true);
47 } 46 }
48 47
49 48
50 void StubRuntimeCallHelper::AfterCall(MacroAssembler* masm) const { 49 void StubRuntimeCallHelper::AfterCall(MacroAssembler* masm) const {
51 masm->LeaveFrame(StackFrame::INTERNAL); 50 masm->LeaveFrame(StackFrame::INTERNAL);
52 ASSERT(masm->has_frame()); 51 ASSERT(masm->has_frame());
53 masm->set_has_frame(false); 52 masm->set_has_frame(false);
54 } 53 }
55 54
56 55
57 #define __ masm. 56 #define __ masm.
58 57
59
60 TranscendentalFunction CreateTranscendentalFunction(
61 TranscendentalCache::Type type) {
62 size_t actual_size;
63 // Allocate buffer in executable space.
64 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB,
65 &actual_size,
66 true));
67 if (buffer == NULL) {
68 // Fallback to library function if function cannot be created.
69 switch (type) {
70 case TranscendentalCache::SIN: return &sin;
71 case TranscendentalCache::COS: return &cos;
72 case TranscendentalCache::TAN: return &tan;
73 case TranscendentalCache::LOG: return &log;
74 default: UNIMPLEMENTED();
75 }
76 }
77
78 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
79 // esp[1 * kPointerSize]: raw double input
80 // esp[0 * kPointerSize]: return address
81 // Move double input into registers.
82 __ fld_d(Operand(esp, kPointerSize));
83 __ push(ebx);
84 __ push(edx);
85 __ push(edi);
86 __ mov(ebx, Operand(esp, kPointerSize));
87 __ mov(edx, Operand(esp, 2* kPointerSize));
88 TranscendentalCacheStub::GenerateOperation(&masm, type);
89 // The return value is expected to be on ST(0) of the FPU stack.
90 __ pop(edi);
91 __ pop(edx);
92 __ pop(ebx);
93 __ Ret();
94
95 CodeDesc desc;
96 masm.GetCode(&desc);
97 ASSERT(desc.reloc_size == 0);
98
99 CPU::FlushICache(buffer, actual_size);
100 OS::ProtectCode(buffer, actual_size);
101 return FUNCTION_CAST<TranscendentalFunction>(buffer);
102 }
103
104
105 static void MemCopyWrapper(void* dest, const void* src, size_t size) { 58 static void MemCopyWrapper(void* dest, const void* src, size_t size) {
106 memcpy(dest, src, size); 59 memcpy(dest, src, size);
107 } 60 }
108 61
109 62
110 OS::MemCopyFunction CreateMemCopyFunction() { 63 OS::MemCopyFunction CreateMemCopyFunction() {
111 size_t actual_size; 64 size_t actual_size;
112 // Allocate buffer in executable space. 65 // Allocate buffer in executable space.
113 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, 66 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB,
114 &actual_size, 67 &actual_size,
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704 times_1, 657 times_1,
705 SeqAsciiString::kHeaderSize)); 658 SeqAsciiString::kHeaderSize));
706 __ bind(&done); 659 __ bind(&done);
707 } 660 }
708 661
709 #undef __ 662 #undef __
710 663
711 } } // namespace v8::internal 664 } } // namespace v8::internal
712 665
713 #endif // V8_TARGET_ARCH_IA32 666 #endif // V8_TARGET_ARCH_IA32
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