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Issue 207543003: Do stack checks while pushing locals (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: rebase Created 6 years, 9 months ago
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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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2853 default: UNIMPLEMENTED(); 2853 default: UNIMPLEMENTED();
2854 } 2854 }
2855 } 2855 }
2856 2856
2857 2857
2858 template <typename T> 2858 template <typename T>
2859 T Simulator::FPAdd(T op1, T op2) { 2859 T Simulator::FPAdd(T op1, T op2) {
2860 // NaNs should be handled elsewhere. 2860 // NaNs should be handled elsewhere.
2861 ASSERT(!std::isnan(op1) && !std::isnan(op2)); 2861 ASSERT(!std::isnan(op1) && !std::isnan(op2));
2862 2862
2863 if (isinf(op1) && isinf(op2) && (op1 != op2)) { 2863 if (std::isinf(op1) && std::isinf(op2) && (op1 != op2)) {
2864 // inf + -inf returns the default NaN. 2864 // inf + -inf returns the default NaN.
2865 return FPDefaultNaN<T>(); 2865 return FPDefaultNaN<T>();
2866 } else { 2866 } else {
2867 // Other cases should be handled by standard arithmetic. 2867 // Other cases should be handled by standard arithmetic.
2868 return op1 + op2; 2868 return op1 + op2;
2869 } 2869 }
2870 } 2870 }
2871 2871
2872 2872
2873 template <typename T> 2873 template <typename T>
2874 T Simulator::FPDiv(T op1, T op2) { 2874 T Simulator::FPDiv(T op1, T op2) {
2875 // NaNs should be handled elsewhere. 2875 // NaNs should be handled elsewhere.
2876 ASSERT(!std::isnan(op1) && !std::isnan(op2)); 2876 ASSERT(!std::isnan(op1) && !std::isnan(op2));
2877 2877
2878 if ((isinf(op1) && isinf(op2)) || ((op1 == 0.0) && (op2 == 0.0))) { 2878 if ((std::isinf(op1) && std::isinf(op2)) || ((op1 == 0.0) && (op2 == 0.0))) {
2879 // inf / inf and 0.0 / 0.0 return the default NaN. 2879 // inf / inf and 0.0 / 0.0 return the default NaN.
2880 return FPDefaultNaN<T>(); 2880 return FPDefaultNaN<T>();
2881 } else { 2881 } else {
2882 // Other cases should be handled by standard arithmetic. 2882 // Other cases should be handled by standard arithmetic.
2883 return op1 / op2; 2883 return op1 / op2;
2884 } 2884 }
2885 } 2885 }
2886 2886
2887 2887
2888 template <typename T> 2888 template <typename T>
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2929 2929
2930 template <typename T> 2930 template <typename T>
2931 T Simulator::FPMinNM(T a, T b) { 2931 T Simulator::FPMinNM(T a, T b) {
2932 if (IsQuietNaN(a) && !IsQuietNaN(b)) { 2932 if (IsQuietNaN(a) && !IsQuietNaN(b)) {
2933 a = kFP64PositiveInfinity; 2933 a = kFP64PositiveInfinity;
2934 } else if (!IsQuietNaN(a) && IsQuietNaN(b)) { 2934 } else if (!IsQuietNaN(a) && IsQuietNaN(b)) {
2935 b = kFP64PositiveInfinity; 2935 b = kFP64PositiveInfinity;
2936 } 2936 }
2937 2937
2938 T result = FPProcessNaNs(a, b); 2938 T result = FPProcessNaNs(a, b);
2939 return isnan(result) ? result : FPMin(a, b); 2939 return std::isnan(result) ? result : FPMin(a, b);
2940 } 2940 }
2941 2941
2942 2942
2943 template <typename T> 2943 template <typename T>
2944 T Simulator::FPMul(T op1, T op2) { 2944 T Simulator::FPMul(T op1, T op2) {
2945 // NaNs should be handled elsewhere. 2945 // NaNs should be handled elsewhere.
2946 ASSERT(!std::isnan(op1) && !std::isnan(op2)); 2946 ASSERT(!std::isnan(op1) && !std::isnan(op2));
2947 2947
2948 if ((isinf(op1) && (op2 == 0.0)) || (isinf(op2) && (op1 == 0.0))) { 2948 if ((std::isinf(op1) && (op2 == 0.0)) || (std::isinf(op2) && (op1 == 0.0))) {
2949 // inf * 0.0 returns the default NaN. 2949 // inf * 0.0 returns the default NaN.
2950 return FPDefaultNaN<T>(); 2950 return FPDefaultNaN<T>();
2951 } else { 2951 } else {
2952 // Other cases should be handled by standard arithmetic. 2952 // Other cases should be handled by standard arithmetic.
2953 return op1 * op2; 2953 return op1 * op2;
2954 } 2954 }
2955 } 2955 }
2956 2956
2957 2957
2958 template<typename T> 2958 template<typename T>
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3010 return std::sqrt(op); 3010 return std::sqrt(op);
3011 } 3011 }
3012 } 3012 }
3013 3013
3014 3014
3015 template <typename T> 3015 template <typename T>
3016 T Simulator::FPSub(T op1, T op2) { 3016 T Simulator::FPSub(T op1, T op2) {
3017 // NaNs should be handled elsewhere. 3017 // NaNs should be handled elsewhere.
3018 ASSERT(!std::isnan(op1) && !std::isnan(op2)); 3018 ASSERT(!std::isnan(op1) && !std::isnan(op2));
3019 3019
3020 if (isinf(op1) && isinf(op2) && (op1 == op2)) { 3020 if (std::isinf(op1) && std::isinf(op2) && (op1 == op2)) {
3021 // inf - inf returns the default NaN. 3021 // inf - inf returns the default NaN.
3022 return FPDefaultNaN<T>(); 3022 return FPDefaultNaN<T>();
3023 } else { 3023 } else {
3024 // Other cases should be handled by standard arithmetic. 3024 // Other cases should be handled by standard arithmetic.
3025 return op1 - op2; 3025 return op1 - op2;
3026 } 3026 }
3027 } 3027 }
3028 3028
3029 3029
3030 template <typename T> 3030 template <typename T>
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3637 default: 3637 default:
3638 UNIMPLEMENTED(); 3638 UNIMPLEMENTED();
3639 } 3639 }
3640 } 3640 }
3641 3641
3642 #endif // USE_SIMULATOR 3642 #endif // USE_SIMULATOR
3643 3643
3644 } } // namespace v8::internal 3644 } } // namespace v8::internal
3645 3645
3646 #endif // V8_TARGET_ARCH_ARM64 3646 #endif // V8_TARGET_ARCH_ARM64
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