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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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55 uint32_t unsigned_exponent = static_cast<uint32_t>(exponent); | 55 uint32_t unsigned_exponent = static_cast<uint32_t>(exponent); |
56 int result = 0; | 56 int result = 0; |
57 uint32_t max_exponent = | 57 uint32_t max_exponent = |
58 static_cast<uint32_t>(Double::kPhysicalSignificandSize); | 58 static_cast<uint32_t>(Double::kPhysicalSignificandSize); |
59 if (unsigned_exponent >= max_exponent) { | 59 if (unsigned_exponent >= max_exponent) { |
60 if ((exponent - Double::kPhysicalSignificandSize) < 32) { | 60 if ((exponent - Double::kPhysicalSignificandSize) < 32) { |
61 result = dbl.u[0] << (exponent - Double::kPhysicalSignificandSize); | 61 result = dbl.u[0] << (exponent - Double::kPhysicalSignificandSize); |
62 } | 62 } |
63 } else { | 63 } else { |
64 uint64_t big_result = | 64 uint64_t big_result = |
65 (BitCast<uint64_t>(d) & Double::kSignificandMask) | Double::kHiddenBit; | 65 (bit_cast<uint64_t>(d) & Double::kSignificandMask) | Double::kHiddenBit; |
66 big_result = big_result >> (Double::kPhysicalSignificandSize - exponent); | 66 big_result = big_result >> (Double::kPhysicalSignificandSize - exponent); |
67 result = static_cast<uint32_t>(big_result); | 67 result = static_cast<uint32_t>(big_result); |
68 } | 68 } |
69 if (static_cast<int32_t>(exponent_bits) < 0) { | 69 if (static_cast<int32_t>(exponent_bits) < 0) { |
70 return (0 - result); | 70 return (0 - result); |
71 } else { | 71 } else { |
72 return result; | 72 return result; |
73 } | 73 } |
74 } | 74 } |
75 | 75 |
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181 | 181 |
182 #define CHECK_STUB(NAME) \ | 182 #define CHECK_STUB(NAME) \ |
183 { \ | 183 { \ |
184 HandleScope scope(isolate); \ | 184 HandleScope scope(isolate); \ |
185 NAME##Stub stub_impl(0xabcd, isolate); \ | 185 NAME##Stub stub_impl(0xabcd, isolate); \ |
186 CodeStub* stub = &stub_impl; \ | 186 CodeStub* stub = &stub_impl; \ |
187 CHECK_EQ(stub->MajorKey(), CodeStub::NAME); \ | 187 CHECK_EQ(stub->MajorKey(), CodeStub::NAME); \ |
188 } | 188 } |
189 CODE_STUB_LIST(CHECK_STUB); | 189 CODE_STUB_LIST(CHECK_STUB); |
190 } | 190 } |
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