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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
| 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 <stdlib.h> | 28 #include <stdlib.h> | 
| 29 | 29 | 
| 30 #include <limits> | 30 #include <limits> | 
| 31 | 31 | 
| 32 #include "v8.h" | 32 #include "src/v8.h" | 
| 33 | 33 | 
| 34 #include "cctest.h" | 34 #include "test/cctest/cctest.h" | 
| 35 #include "code-stubs.h" | 35 #include "src/code-stubs.h" | 
| 36 #include "test-code-stubs.h" | 36 #include "test/cctest/test-code-stubs.h" | 
| 37 #include "factory.h" | 37 #include "src/factory.h" | 
| 38 #include "macro-assembler.h" | 38 #include "src/macro-assembler.h" | 
| 39 #include "platform.h" | 39 #include "src/platform.h" | 
| 40 | 40 | 
| 41 using namespace v8::internal; | 41 using namespace v8::internal; | 
| 42 | 42 | 
| 43 | 43 | 
| 44 int STDCALL ConvertDToICVersion(double d) { | 44 int STDCALL ConvertDToICVersion(double d) { | 
| 45   union { double d; uint32_t u[2]; } dbl; | 45   union { double d; uint32_t u[2]; } dbl; | 
| 46   dbl.d = d; | 46   dbl.d = d; | 
| 47   uint32_t exponent_bits = dbl.u[1]; | 47   uint32_t exponent_bits = dbl.u[1]; | 
| 48   int32_t shifted_mask = static_cast<int32_t>(Double::kExponentMask >> 32); | 48   int32_t shifted_mask = static_cast<int32_t>(Double::kExponentMask >> 32); | 
| 49   int32_t exponent = (((exponent_bits & shifted_mask) >> | 49   int32_t exponent = (((exponent_bits & shifted_mask) >> | 
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| 165 | 165 | 
| 166   RunOneTruncationTest(3.868562622766813e+25, 0); | 166   RunOneTruncationTest(3.868562622766813e+25, 0); | 
| 167   RunOneTruncationTest(-3.868562622766813e+25, 0); | 167   RunOneTruncationTest(-3.868562622766813e+25, 0); | 
| 168   RunOneTruncationTest(1.7976931348623157e+308, 0); | 168   RunOneTruncationTest(1.7976931348623157e+308, 0); | 
| 169   RunOneTruncationTest(-1.7976931348623157e+308, 0); | 169   RunOneTruncationTest(-1.7976931348623157e+308, 0); | 
| 170 } | 170 } | 
| 171 | 171 | 
| 172 #undef NaN | 172 #undef NaN | 
| 173 #undef Infinity | 173 #undef Infinity | 
| 174 #undef RunOneTruncationTest | 174 #undef RunOneTruncationTest | 
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