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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <stdlib.h> | 5 #include <stdlib.h> |
| 6 #include <cmath> | 6 #include <cmath> |
| 7 #include <cstdarg> | 7 #include <cstdarg> |
| 8 #include "src/v8.h" | 8 #include "src/v8.h" |
| 9 | 9 |
| 10 #if V8_TARGET_ARCH_ARM64 | 10 #if V8_TARGET_ARCH_ARM64 |
| 11 | 11 |
| 12 #include "src/arm64/decoder-arm64-inl.h" | 12 #include "src/arm64/decoder-arm64-inl.h" |
| 13 #include "src/arm64/simulator-arm64.h" | 13 #include "src/arm64/simulator-arm64.h" |
| 14 #include "src/assembler.h" | 14 #include "src/assembler.h" |
| 15 #include "src/disasm.h" | 15 #include "src/disasm.h" |
| 16 #include "src/macro-assembler.h" | 16 #include "src/macro-assembler.h" |
| 17 #include "src/ostreams.h" |
| 17 | 18 |
| 18 namespace v8 { | 19 namespace v8 { |
| 19 namespace internal { | 20 namespace internal { |
| 20 | 21 |
| 21 #if defined(USE_SIMULATOR) | 22 #if defined(USE_SIMULATOR) |
| 22 | 23 |
| 23 | 24 |
| 24 // This macro provides a platform independent use of sscanf. The reason for | 25 // This macro provides a platform independent use of sscanf. The reason for |
| 25 // SScanF not being implemented in a platform independent way through | 26 // SScanF not being implemented in a platform independent way through |
| 26 // ::v8::internal::OS in the same way as SNPrintF is that the | 27 // ::v8::internal::OS in the same way as SNPrintF is that the |
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| 2905 b = kFP64NegativeInfinity; | 2906 b = kFP64NegativeInfinity; |
| 2906 } | 2907 } |
| 2907 | 2908 |
| 2908 T result = FPProcessNaNs(a, b); | 2909 T result = FPProcessNaNs(a, b); |
| 2909 return std::isnan(result) ? result : FPMax(a, b); | 2910 return std::isnan(result) ? result : FPMax(a, b); |
| 2910 } | 2911 } |
| 2911 | 2912 |
| 2912 template <typename T> | 2913 template <typename T> |
| 2913 T Simulator::FPMin(T a, T b) { | 2914 T Simulator::FPMin(T a, T b) { |
| 2914 // NaNs should be handled elsewhere. | 2915 // NaNs should be handled elsewhere. |
| 2915 ASSERT(!isnan(a) && !isnan(b)); | 2916 ASSERT(!std::isnan(a) && !std::isnan(b)); |
| 2916 | 2917 |
| 2917 if ((a == 0.0) && (b == 0.0) && | 2918 if ((a == 0.0) && (b == 0.0) && |
| 2918 (copysign(1.0, a) != copysign(1.0, b))) { | 2919 (copysign(1.0, a) != copysign(1.0, b))) { |
| 2919 // a and b are zero, and the sign differs: return -0.0. | 2920 // a and b are zero, and the sign differs: return -0.0. |
| 2920 return -0.0; | 2921 return -0.0; |
| 2921 } else { | 2922 } else { |
| 2922 return (a < b) ? a : b; | 2923 return (a < b) ? a : b; |
| 2923 } | 2924 } |
| 2924 } | 2925 } |
| 2925 | 2926 |
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| 3728 | 3729 |
| 3729 delete[] format; | 3730 delete[] format; |
| 3730 } | 3731 } |
| 3731 | 3732 |
| 3732 | 3733 |
| 3733 #endif // USE_SIMULATOR | 3734 #endif // USE_SIMULATOR |
| 3734 | 3735 |
| 3735 } } // namespace v8::internal | 3736 } } // namespace v8::internal |
| 3736 | 3737 |
| 3737 #endif // V8_TARGET_ARCH_ARM64 | 3738 #endif // V8_TARGET_ARCH_ARM64 |
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