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Issue 358363002: Move platform abstraction to base library (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: updates Created 6 years, 5 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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 "src/v8.h" 30 #include "src/v8.h"
31 31
32 #include "src/base/platform/platform.h"
32 #include "src/diy-fp.h" 33 #include "src/diy-fp.h"
33 #include "src/platform.h"
34 #include "test/cctest/cctest.h" 34 #include "test/cctest/cctest.h"
35 35
36 36
37 using namespace v8::internal; 37 using namespace v8::internal;
38 38
39 39
40 TEST(Subtract) { 40 TEST(Subtract) {
41 DiyFp diy_fp1 = DiyFp(3, 0); 41 DiyFp diy_fp1 = DiyFp(3, 0);
42 DiyFp diy_fp2 = DiyFp(1, 0); 42 DiyFp diy_fp2 = DiyFp(1, 0);
43 DiyFp diff = DiyFp::Minus(diy_fp1, diy_fp2); 43 DiyFp diff = DiyFp::Minus(diy_fp1, diy_fp2);
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83 // Halfway cases are allowed to round either way. So don't check for it. 83 // Halfway cases are allowed to round either way. So don't check for it.
84 84
85 // Big numbers. 85 // Big numbers.
86 diy_fp1 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 11); 86 diy_fp1 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 11);
87 diy_fp2 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 13); 87 diy_fp2 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 13);
88 // 128bit result: 0xfffffffffffffffe0000000000000001 88 // 128bit result: 0xfffffffffffffffe0000000000000001
89 product = DiyFp::Times(diy_fp1, diy_fp2); 89 product = DiyFp::Times(diy_fp1, diy_fp2);
90 CHECK(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFe) == product.f()); 90 CHECK(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFe) == product.f());
91 CHECK_EQ(11 + 13 + 64, product.e()); 91 CHECK_EQ(11 + 13 + 64, product.e());
92 } 92 }
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