Changes in libcfa/prelude/builtins.c [8a30423:b867278]
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libcfa/prelude/builtins.c (modified) (4 diffs)
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libcfa/prelude/builtins.c
r8a30423 rb867278 10 10 // Created On : Fri Jul 21 16:21:03 2017 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Tue Mar 26 23:10:36 201913 // Update Count : 9512 // Last Modified On : Sun Aug 5 21:40:38 2018 13 // Update Count : 20 14 14 // 15 16 // type that wraps a pointer and a destructor-like function - used in generating implicit destructor calls for struct members in user-defined functions 17 // Note: needs to occur early, because it is used to generate destructor calls during code generation 18 forall(dtype T) 19 struct __Destructor { 20 T * object; 21 void (*dtor)(T *); 22 }; 23 24 // defined destructor in the case that non-generated code wants to use __Destructor 25 forall(dtype T) 26 static inline void ^?{}(__Destructor(T) & x) { 27 if (x.object && x.dtor) { 28 x.dtor(x.object); 29 } 30 } 31 32 // easy interface into __Destructor's destructor for easy codegen purposes 33 extern "C" { 34 forall(dtype T) 35 static inline void __destroy_Destructor(__Destructor(T) * dtor) { 36 ^(*dtor){}; 37 } 38 } 15 39 16 40 // exception implementation … … 18 42 typedef unsigned long long __cfaabi_abi_exception_type_t; 19 43 20 #include <limits.h> // CHAR_BIT21 44 #include "../src/virtual.h" 22 45 #include "../src/exception.h" … … 27 50 // increment/decrement unification 28 51 29 static inline { 30 forall( dtype DT | { DT & ?+=?( DT &, one_t ); } ) 31 DT & ++?( DT & x ) { return x += 1; } 52 static inline forall( dtype T | { T& ?+=?( T&, one_t ); } ) 53 T& ++? ( T& x ) { return x += 1; } 32 54 33 forall( dtype DT | sized(DT) | { void ?{}( DT &, DT ); void ^?{}( DT & ); DT & ?+=?( DT&, one_t ); } )34 DT & ?++( DT & x ) { DT tmp = x; x += 1; return tmp; }55 static inline forall( dtype T | sized(T) | { void ?{}( T&, T ); void ^?{}( T& ); T& ?+=?( T&, one_t ); } ) 56 T& ?++ ( T& x ) { T tmp = x; x += 1; return tmp; } 35 57 36 forall( dtype DT | { DT & ?-=?( DT&, one_t ); } )37 DT & --?( DT& x ) { return x -= 1; }58 static inline forall( dtype T | { T& ?-=?( T&, one_t ); } ) 59 T& --? ( T& x ) { return x -= 1; } 38 60 39 forall( dtype DT | sized(DT) | { void ?{}( DT &, DT ); void ^?{}( DT & ); DT & ?-=?( DT &, one_t ); } ) 40 DT & ?--( DT & x ) { DT tmp = x; x -= 1; return tmp; } 41 } // distribution 42 43 // universal typed pointer constant 44 // Compiler issue: there is a problem with anonymous types that do not have a size. 45 static inline forall( dtype DT | sized(DT) ) DT * intptr( uintptr_t addr ) { return (DT *)addr; } 61 static inline forall( dtype T | sized(T) | { void ?{}( T&, T ); void ^?{}( T& ); T& ?-=?( T&, one_t ); } ) 62 T& ?-- ( T& x ) { T tmp = x; x -= 1; return tmp; } 46 63 47 64 // exponentiation operator implementation … … 56 73 } // extern "C" 57 74 58 static inline { 59 float ?\?( float x, float y ) { return powf( x, y ); } 60 double ?\?( double x, double y ) { return pow( x, y ); } 61 long double ?\?( long double x, long double y ) { return powl( x, y ); } 62 float _Complex ?\?( float _Complex x, _Complex float y ) { return cpowf(x, y ); } 63 double _Complex ?\?( double _Complex x, _Complex double y ) { return cpow( x, y ); } 64 long double _Complex ?\?( long double _Complex x, _Complex long double y ) { return cpowl( x, y ); } 65 } // distribution 75 static inline float ?\?( float x, float y ) { return powf( x, y ); } 76 static inline double ?\?( double x, double y ) { return pow( x, y ); } 77 static inline long double ?\?( long double x, long double y ) { return powl( x, y ); } 78 static inline float _Complex ?\?( float _Complex x, _Complex float y ) { return cpowf(x, y ); } 79 static inline double _Complex ?\?( double _Complex x, _Complex double y ) { return cpow( x, y ); } 80 static inline long double _Complex ?\?( long double _Complex x, _Complex long double y ) { return cpowl( x, y ); } 66 81 67 #define __CFA_BASE_COMP_1__() if ( ep == 1 ) return 1 68 #define __CFA_BASE_COMP_2__() if ( ep == 2 ) return ep << (y - 1) 69 #define __CFA_EXP_OVERFLOW__() if ( y >= sizeof(y) * CHAR_BIT ) return 0 82 static inline long int ?\?( long int ep, unsigned long int y ) { // disallow negative exponent 83 if ( y == 0 ) return 1; // base case 84 if ( ep == 2 ) return ep << (y - 1); // special case, positive shifting only 85 typeof( ep ) op = 1; // accumulate odd product 86 for ( ; y > 1; y >>= 1 ) { // squaring exponentiation, O(log2 y) 87 if ( (y & 1) == 1 ) op *= ep; // odd ? 88 ep *= ep; 89 } // for 90 return ep * op; 91 } // ?\? 70 92 71 #define __CFA_EXP__() \ 72 if ( y == 0 ) return 1; /* convention */ \ 73 __CFA_BASE_COMP_1__(); /* base case */ \ 74 __CFA_BASE_COMP_2__(); /* special case, positive shifting for integral types */ \ 75 __CFA_EXP_OVERFLOW__(); /* immediate overflow, negative exponent > 2^size-1 */ \ 76 typeof(ep) op = 1; /* accumulate odd product */ \ 77 for ( ; y > 1; y >>= 1 ) { /* squaring exponentiation, O(log2 y) */ \ 78 if ( (y & 1) == 1 ) op = op * ep; /* odd ? */ \ 79 ep = ep * ep; \ 80 } \ 81 return ep * op 93 static inline forall( otype T | { void ?{}( T & this, one_t ); T ?*?( T, T ); } ) 94 T ?\?( T ep, unsigned long int y ) { 95 if ( y == 0 ) return 1; 96 T op = 1; 97 for ( ; y > 1; y >>= 1 ) { // squaring exponentiation, O(log2 y) 98 if ( (y & 1) == 1 ) op = op * ep; // odd ? 99 ep = ep * ep; 100 } // for 101 return ep * op; 102 } // ?\? 82 103 83 static inline { 84 long int ?\?( int ep, unsigned int y ) { __CFA_EXP__(); } 85 long int ?\?( long int ep, unsigned long int y ) { __CFA_EXP__(); } 86 // unsigned computation may be faster and larger 87 unsigned long int ?\?( unsigned int ep, unsigned int y ) { __CFA_EXP__(); } 88 unsigned long int ?\?( unsigned long int ep, unsigned long int y ) { __CFA_EXP__(); } 89 } // distribution 104 // unsigned computation may be faster and larger 105 static inline unsigned long int ?\?( unsigned long int ep, unsigned long int y ) { // disallow negative exponent 106 if ( y == 0 ) return 1; // base case 107 if ( ep == 2 ) return ep << (y - 1); // special case, positive shifting only 108 typeof( ep ) op = 1; // accumulate odd product 109 for ( ; y > 1; y >>= 1 ) { // squaring exponentiation, O(log2 y) 110 if ( (y & 1) == 1 ) op *= ep; // odd ? 111 ep *= ep; 112 } // for 113 return ep * op; 114 } // ?\? 90 115 91 #undef __CFA_BASE_COMP_1__ 92 #undef __CFA_BASE_COMP_2__ 93 #undef __CFA_EXP_OVERFLOW__ 94 #define __CFA_BASE_COMP_1__() 95 #define __CFA_BASE_COMP_2__() 96 #define __CFA_EXP_OVERFLOW__() 116 static inline double ?\?( long int x, signed long int y ) { // allow negative exponent 117 if ( y >= 0 ) return (double)(x \ (unsigned long int)y); 118 else return 1.0 / x \ (unsigned int)(-y); 119 } // ?\? 97 120 98 static inline forall( otype OT | { void ?{}( OT & this, one_t ); OT ?*?( OT, OT ); } ) { 99 OT ?\?( OT ep, unsigned int y ) { __CFA_EXP__(); } 100 OT ?\?( OT ep, unsigned long int y ) { __CFA_EXP__(); } 101 } // distribution 121 // FIXME (x \ (unsigned long int)y) relies on X ?\?(T, unsigned long) a function that is neither 122 // defined, nor passed as an assertion parameter. Without user-defined conversions, cannot specify 123 // X as a type that casts to double, yet it doesn't make sense to write functions with that type 124 // signature where X is double. 102 125 103 #undef __CFA_BASE_COMP_1__ 104 #undef __CFA_BASE_COMP_2__ 105 #undef __CFA_EXP_OVERFLOW__ 126 // static inline forall( otype T | { void ?{}( T & this, one_t ); T ?*?( T, T ); double ?/?( double, T ); } ) 127 // double ?\?( T x, signed long int y ) { 128 // if ( y >= 0 ) return (double)(x \ (unsigned long int)y); 129 // else return 1.0 / x \ (unsigned long int)(-y); 130 // } // ?\? 106 131 107 static inline { 108 long int ?\=?( long int & x, unsigned long int y ) { x = x \ y; return x; } 109 unsigned long int ?\=?( unsigned long int & x, unsigned long int y ) { x = x \ y; return x; } 110 int ?\=?( int & x, unsigned long int y ) { x = x \ y; return x; } 111 unsigned int ?\=?( unsigned int & x, unsigned long int y ) { x = x \ y; return x; } 112 } // distribution 132 static inline long int ?\=?( long int & x, unsigned long int y ) { x = x \ y; return x; } 133 static inline unsigned long int ?\=?( unsigned long int & x, unsigned long int y ) { x = x \ y; return x; } 134 static inline int ?\=?( int & x, unsigned long int y ) { x = x \ y; return x; } 135 static inline unsigned int ?\=?( unsigned int & x, unsigned long int y ) { x = x \ y; return x; } 113 136 114 137 // Local Variables: //
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