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Issue 10878047: Revert to code state of 3.13.1 plus r12350 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 8 years, 3 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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45 seeds->set(i + 4, static_cast<byte>(state1 >> (i * kBitsPerByte))); 45 seeds->set(i + 4, static_cast<byte>(state1 >> (i * kBitsPerByte)));
46 } 46 }
47 } 47 }
48 48
49 49
50 void TestSeeds(Handle<JSFunction> fun, 50 void TestSeeds(Handle<JSFunction> fun,
51 Handle<Context> context, 51 Handle<Context> context,
52 uint32_t state0, 52 uint32_t state0,
53 uint32_t state1) { 53 uint32_t state1) {
54 bool has_pending_exception; 54 bool has_pending_exception;
55 Handle<JSObject> global(context->global_object()); 55 Handle<JSObject> global(context->global());
56 Handle<ByteArray> seeds(context->random_seed()); 56 Handle<ByteArray> seeds(context->random_seed());
57 57
58 SetSeeds(seeds, state0, state1); 58 SetSeeds(seeds, state0, state1);
59 Handle<Object> value = 59 Handle<Object> value =
60 Execution::Call(fun, global, 0, NULL, &has_pending_exception); 60 Execution::Call(fun, global, 0, NULL, &has_pending_exception);
61 CHECK(value->IsHeapNumber()); 61 CHECK(value->IsHeapNumber());
62 CHECK(fun->IsOptimized()); 62 CHECK(fun->IsOptimized());
63 double crankshaft_value = HeapNumber::cast(*value)->value(); 63 double crankshaft_value = HeapNumber::cast(*value)->value();
64 64
65 SetSeeds(seeds, state0, state1); 65 SetSeeds(seeds, state0, state1);
66 V8::FillHeapNumberWithRandom(*value, *context); 66 V8::FillHeapNumberWithRandom(*value, *context);
67 double runtime_value = HeapNumber::cast(*value)->value(); 67 double runtime_value = HeapNumber::cast(*value)->value();
68 CHECK_EQ(runtime_value, crankshaft_value); 68 CHECK_EQ(runtime_value, crankshaft_value);
69 } 69 }
70 70
71 71
72 TEST(CrankshaftRandom) { 72 TEST(CrankshaftRandom) {
73 if (env.IsEmpty()) env = v8::Context::New(); 73 if (env.IsEmpty()) env = v8::Context::New();
74 // Skip test if crankshaft is disabled. 74 // Skip test if crankshaft is disabled.
75 if (!V8::UseCrankshaft()) return; 75 if (!V8::UseCrankshaft()) return;
76 v8::HandleScope scope; 76 v8::HandleScope scope;
77 env->Enter(); 77 env->Enter();
78 78
79 Handle<Context> context(Isolate::Current()->context()); 79 Handle<Context> context(Isolate::Current()->context());
80 Handle<JSObject> global(context->global_object()); 80 Handle<JSObject> global(context->global());
81 Handle<ByteArray> seeds(context->random_seed()); 81 Handle<ByteArray> seeds(context->random_seed());
82 bool has_pending_exception; 82 bool has_pending_exception;
83 83
84 CompileRun("function f() { return Math.random(); }"); 84 CompileRun("function f() { return Math.random(); }");
85 85
86 Object* symbol = FACTORY->LookupAsciiSymbol("f")->ToObjectChecked(); 86 Object* symbol = FACTORY->LookupAsciiSymbol("f")->ToObjectChecked();
87 MaybeObject* fun_object = 87 MaybeObject* fun_object =
88 context->global_object()->GetProperty(String::cast(symbol)); 88 context->global()->GetProperty(String::cast(symbol));
89 Handle<JSFunction> fun(JSFunction::cast(fun_object->ToObjectChecked())); 89 Handle<JSFunction> fun(JSFunction::cast(fun_object->ToObjectChecked()));
90 90
91 // Optimize function. 91 // Optimize function.
92 Execution::Call(fun, global, 0, NULL, &has_pending_exception); 92 Execution::Call(fun, global, 0, NULL, &has_pending_exception);
93 Execution::Call(fun, global, 0, NULL, &has_pending_exception); 93 Execution::Call(fun, global, 0, NULL, &has_pending_exception);
94 if (!fun->IsOptimized()) fun->MarkForLazyRecompilation(); 94 if (!fun->IsOptimized()) fun->MarkForLazyRecompilation();
95 95
96 // Test with some random values. 96 // Test with some random values.
97 TestSeeds(fun, context, 0xC0C0AFFE, 0x31415926); 97 TestSeeds(fun, context, 0xC0C0AFFE, 0x31415926);
98 TestSeeds(fun, context, 0x01020304, 0xFFFFFFFF); 98 TestSeeds(fun, context, 0x01020304, 0xFFFFFFFF);
99 TestSeeds(fun, context, 0x00000001, 0x00000000); 99 TestSeeds(fun, context, 0x00000001, 0x00000000);
100 100
101 // Test that we bail out to runtime when seeds are uninitialized (zeros). 101 // Test that we bail out to runtime when seeds are uninitialized (zeros).
102 SetSeeds(seeds, 0, 0); 102 SetSeeds(seeds, 0, 0);
103 Handle<Object> value = 103 Handle<Object> value =
104 Execution::Call(fun, global, 0, NULL, &has_pending_exception); 104 Execution::Call(fun, global, 0, NULL, &has_pending_exception);
105 CHECK(value->IsHeapNumber()); 105 CHECK(value->IsHeapNumber());
106 CHECK(fun->IsOptimized()); 106 CHECK(fun->IsOptimized());
107 double crankshaft_value = HeapNumber::cast(*value)->value(); 107 double crankshaft_value = HeapNumber::cast(*value)->value();
108 CHECK_NE(0.0, crankshaft_value); 108 CHECK_NE(0.0, crankshaft_value);
109 } 109 }
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