Changeset 21923bd for libcfa/src


Ignore:
Timestamp:
Apr 15, 2020, 2:43:13 PM (4 years ago)
Author:
Peter A. Buhr <pabuhr@…>
Branches:
ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum
Children:
0a6da484, 7c5d8c4
Parents:
4ea5308
Message:

second draft of bitmanip using specialized rather than polymorphic routines

File:
1 edited

Legend:

Unmodified
Added
Removed
  • libcfa/src/bitmanip.hfa

    r4ea5308 r21923bd  
    1111// Created On       : Sat Mar 14 18:12:27 2020
    1212// Last Modified By : Peter A. Buhr
    13 // Last Modified On : Mon Apr 13 22:37:03 2020
    14 // Update Count     : 110
     13// Last Modified On : Wed Apr 15 10:51:01 2020
     14// Update Count     : 119
    1515//
    1616
     
    8888
    8989    // Returns n aligned at the floor of align, clear bits above or equal to align, giving n % align.
    90     // signed char floor2( signed char n, signed char align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    91     // unsigned char floor2( unsigned char n, unsigned char align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    92     // short int floor2( short int n, unsigned short int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    93     // unsigned short int floor2( unsigned short int n, unsigned short int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    94     // int floor2( int n, unsigned int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    95     // unsigned int floor2( unsigned int n, unsigned int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    96     // long int floor2( long int n, unsigned long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    97     // unsigned long int floor2( unsigned long int n, unsigned long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    98         // long long int floor2( long long int n, unsigned long long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    99     // unsigned long long int floor2( unsigned long long int n, unsigned long long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     90    signed char floor2( signed char n, char align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     91    unsigned char floor2( unsigned char n, unsigned char align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     92    short int floor2( short int n, short int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     93    unsigned short int floor2( unsigned short int n, unsigned short int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     94    int floor2( int n, int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     95    unsigned int floor2( unsigned int n, unsigned int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     96    long int floor2( long int n, long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     97    unsigned long int floor2( unsigned long int n, unsigned long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     98        long long int floor2( long long int n, long long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     99    unsigned long long int floor2( unsigned long long int n, unsigned long long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    100100
    101         forall( otype T | { T ?&?( T, T ); T -?( T ); } )
    102         T floor2( T n, T align ) { /* assert( is_pow2( align ) ); */ return n & -align; }
     101        // forall( otype T | { T ?&?( T, T ); T -?( T ); } )
     102        // T floor2( T n, T align ) { /* assert( is_pow2( align ) ); */ return n & -align; }
    103103
    104         forall( otype T | { T ?/?( T, T ); T ?*?( T, T ); } )
    105         T floor( T n, T align ) { return n / align * align; }
     104    signed char floor( signed char n, char align ) { return n / align * align; }
     105    unsigned char floor( unsigned char n, unsigned char align ) { return n / align * align; }
     106    short int floor( short int n, short int align ) { return n / align * align; }
     107    unsigned short int floor( unsigned short int n, unsigned short int align ) { return n / align * align; }
     108    int floor( int n, int align ) { return n / align * align; }
     109    unsigned int floor( unsigned int n, unsigned int align ) { return n / align * align; }
     110    long int floor( long int n, long int align ) { return n / align * align; }
     111    unsigned long int floor( unsigned long int n, unsigned long int align ) { return n / align * align; }
     112        long long int floor( long long int n, long long int align ) { return n / align * align; }
     113    unsigned long long int floor( unsigned long long int n, unsigned long long int align ) { return n / align * align; }
     114
     115        // forall( otype T | { T ?/?( T, T ); T ?*?( T, T ); } )
     116        // T floor( T n, T align ) { return n / align * align; }
    106117
    107118    // Returns n aligned at the ceiling of align, negate, round down, negate is the same as round up.
    108         forall( otype T | { T floor2( T, T ); T -?( T ); } )
    109         T ceiling2( T n, T align ) { /* assert( is_pow2( align ) ); */ return -floor2( -n, align ); }
     119    signed char ceiling2( signed char n, char align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     120    unsigned char ceiling2( unsigned char n, unsigned char align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     121    short int ceiling2( short int n, short int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     122    unsigned short int ceiling2( unsigned short int n, unsigned short int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     123    int ceiling2( int n, int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     124    unsigned int ceiling2( unsigned int n, unsigned int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     125    long int ceiling2( long int n, long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     126    unsigned long int ceiling2( unsigned long int n, unsigned long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     127        long long int ceiling2( long long int n, long long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     128    unsigned long long int ceiling2( unsigned long long int n, unsigned long long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
    110129
    111         forall( otype T | { void ?{}( T &, one_t ); T ?+?( T, T ); T ?-?( T, T ); T ?/?( T, T ); } )
    112         T ceiling( T n, T align ) { return (n + (align - (T){1})) / align; }
     130        // forall( otype T | { T floor2( T, T ); T -?( T ); } )
     131        // T ceiling2( T n, T align ) { /* assert( is_pow2( align ) ); */ return -floor2( -n, align ); }
     132
     133        signed char ceiling( signed char n, char align ) { return (n + (align - 1)) / align; }
     134    unsigned char ceiling( unsigned char n, unsigned char align ) { return (n + (align - 1)) / align; }
     135    short int ceiling( short int n, short int align ) { return (n + (align - 1)) / align; }
     136    unsigned short int ceiling( unsigned short int n, unsigned short int align ) { return (n + (align - 1)) / align; }
     137    int ceiling( int n, int align ) { return (n + (align - 1)) / align; }
     138    unsigned int ceiling( unsigned int n, unsigned int align ) { return (n + (align - 1)) / align; }
     139    long int ceiling( long int n, long int align ) { return (n + (align - 1)) / align; }
     140    unsigned long int ceiling( unsigned long int n, unsigned long int align ) { return (n + (align - 1)) / align; }
     141        long long int ceiling( long long int n, long long int align ) { return (n + (align - 1)) / align; }
     142    unsigned long long int ceiling( unsigned long long int n, unsigned long long int align ) { return (n + (align - 1)) / align; }
     143
     144        // forall( otype T | { void ?{}( T &, one_t ); T ?+?( T, T ); T ?-?( T, T ); T ?/?( T, T ); } )
     145        // T ceiling( T n, T align ) { return (n + (align - (T){1})) / align; }
    113146} // distribution
    114147
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