Changeset 86fb8f2 for libcfa/prelude/builtins.c
- Timestamp:
- Mar 27, 2019, 11:09:23 AM (6 years ago)
- Branches:
- ADT, arm-eh, ast-experimental, cleanup-dtors, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum
- Children:
- a45fc7b
- Parents:
- 2b10f95 (diff), 1e5d0f0c (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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libcfa/prelude/builtins.c
r2b10f95 r86fb8f2 10 10 // Created On : Fri Jul 21 16:21:03 2017 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Sun Mar 10 10:52:50201913 // Update Count : 3112 // Last Modified On : Tue Mar 26 23:10:36 2019 13 // Update Count : 95 14 14 // 15 15 … … 18 18 typedef unsigned long long __cfaabi_abi_exception_type_t; 19 19 20 #include <limits.h> // CHAR_BIT 20 21 #include "../src/virtual.h" 21 22 #include "../src/exception.h" … … 26 27 // increment/decrement unification 27 28 28 static inline forall( dtype T | { T & ?+=?( T &, one_t ); } ) 29 T & ++? ( T & x ) { return x += 1; } 29 static inline { 30 forall( dtype DT | { DT & ?+=?( DT &, one_t ); } ) 31 DT & ++?( DT & x ) { return x += 1; } 30 32 31 static inline forall( dtype T | sized(T) | { void ?{}( T &, T ); void ^?{}( T & ); T & ?+=?(T &, one_t ); } )32 T & ?++ ( T & x ) {T tmp = x; x += 1; return tmp; }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; } 33 35 34 static inline forall( dtype T | { T & ?-=?(T &, one_t ); } )35 T & --? (T & x ) { return x -= 1; }36 forall( dtype DT | { DT & ?-=?( DT &, one_t ); } ) 37 DT & --?( DT & x ) { return x -= 1; } 36 38 37 static inline forall( dtype T | sized(T) | { void ?{}( T &, T ); void ^?{}( T & ); T & ?-=?( T &, one_t ); } ) 38 T & ?-- ( T & x ) { T tmp = x; x -= 1; return tmp; } 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 39 42 40 43 // universal typed pointer constant 41 42 static inline forall( dtype T ) T * intptr( uintptr_t addr ) { return (T *)addr; }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; } 43 46 44 47 // exponentiation operator implementation … … 53 56 } // extern "C" 54 57 55 static inline float ?\?( float x, float y ) { return powf( x, y ); } 56 static inline double ?\?( double x, double y ) { return pow( x, y ); } 57 static inline long double ?\?( long double x, long double y ) { return powl( x, y ); } 58 static inline float _Complex ?\?( float _Complex x, _Complex float y ) { return cpowf(x, y ); } 59 static inline double _Complex ?\?( double _Complex x, _Complex double y ) { return cpow( x, y ); } 60 static inline long double _Complex ?\?( long double _Complex x, _Complex long double y ) { return cpowl( x, y ); } 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 61 66 62 static inline long int ?\?( long int ep, unsigned long int y ) { // disallow negative exponent 63 if ( y == 0 ) return 1; // base case 64 if ( ep == 2 ) return ep << (y - 1); // special case, positive shifting only 65 typeof( ep ) op = 1; // accumulate odd product 66 for ( ; y > 1; y >>= 1 ) { // squaring exponentiation, O(log2 y) 67 if ( (y & 1) == 1 ) op *= ep; // odd ? 68 ep *= ep; 69 } // for 70 return ep * op; 71 } // ?\? 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 72 70 73 static inline forall( otype T | { void ?{}( T & this, one_t ); T ?*?( T, T ); } ) 74 T ?\?( T ep, unsigned long int y ) { 75 if ( y == 0 ) return 1; 76 T op = 1; 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 } // for 81 return ep * op; 82 } // ?\? 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 83 82 84 // unsigned computation may be faster and larger 85 static inline unsigned long int ?\?( unsigned long int ep, unsigned long int y ) { // disallow negative exponent 86 if ( y == 0 ) return 1; // base case 87 if ( ep == 2 ) return ep << (y - 1); // special case, positive shifting only 88 typeof( ep ) op = 1; // accumulate odd product 89 for ( ; y > 1; y >>= 1 ) { // squaring exponentiation, O(log2 y) 90 if ( (y & 1) == 1 ) op *= ep; // odd ? 91 ep *= ep; 92 } // for 93 return ep * op; 94 } // ?\? 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 95 90 96 static inline double ?\?( long int x, signed long int y ) { // allow negative exponent 97 if ( y >= 0 ) return (double)(x \ (unsigned long int)y); 98 else return 1.0 / x \ (unsigned int)(-y); 99 } // ?\? 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__() 100 97 101 // FIXME (x \ (unsigned long int)y) relies on X ?\?(T, unsigned long) a function that is neither 102 // defined, nor passed as an assertion parameter. Without user-defined conversions, cannot specify 103 // X as a type that casts to double, yet it doesn't make sense to write functions with that type 104 // signature where X is double. 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 105 102 106 // static inline forall( otype T | { void ?{}( T & this, one_t ); T ?*?( T, T ); double ?/?( double, T ); } ) 107 // double ?\?( T x, signed long int y ) { 108 // if ( y >= 0 ) return (double)(x \ (unsigned long int)y); 109 // else return 1.0 / x \ (unsigned long int)(-y); 110 // } // ?\? 103 #undef __CFA_BASE_COMP_1__ 104 #undef __CFA_BASE_COMP_2__ 105 #undef __CFA_EXP_OVERFLOW__ 111 106 112 static inline long int ?\=?( long int & x, unsigned long int y ) { x = x \ y; return x; } 113 static inline unsigned long int ?\=?( unsigned long int & x, unsigned long int y ) { x = x \ y; return x; } 114 static inline int ?\=?( int & x, unsigned long int y ) { x = x \ y; return x; } 115 static inline unsigned int ?\=?( unsigned int & x, unsigned long int y ) { x = x \ y; return x; } 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 116 113 117 114 // Local Variables: //
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