Return to cc0mch.h CVS log

Up to [MW Coherent from dump] / coherent / b / bin / c / h / i386

Annotation of coherent/b/bin/c/h/i386/cc0mch.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * h/i386/cc0mch.h
        !             3:  * Machine-specific definitions for the C compiler parser.
        !             4:  * i386.
        !             5:  */
        !             6: 
        !             7: /*
        !             8:  * Some definitions for the portable floating point input code.
        !             9:  * Used by the multiprecision integer package.
        !            10:  * mch.h has set either IEEE or DECVAX to 1.
        !            11:  * Both formats use 8 byte double constants with the sign bit in the same place.
        !            12:  */
        !            13: 
        !            14: #define        NBIG    8                       /* Loop limit, etc.             */
        !            15: typedef        unsigned char   BIG[NBIG];      /* Unsigned, holds 64 bits      */
        !            16: #define        t5ne(n) ((n[0]&0370)!=0)        /* Check if top 5 bits clear    */
        !            17: #define        cbit(n) (((n)>>8)&0377)         /* Get 'carry' for addition     */
        !            18: #define        MSBBIG  0200                    /* Top bit of each thing        */
        !            19: 
        !            20: #if    IEEE
        !            21: #define        IROUND  6                       /* IEEE format                  */
        !            22: #define        BROUND  010                     /* 52 bits                      */
        !            23: #define        EXPBIAS 1023                    /* binary exponent bias         */
        !            24: #define        EXPMAX  2046                    /* maximum biased binary exponent */
        !            25: #else
        !            26: #define        IROUND  6                       /* DEC VAX-11 format            */
        !            27: #define        BROUND  01                      /* 55 bits                      */
        !            28: #define        EXPBIAS 129                     /* binary exponent bias         */
        !            29: #define        EXPMAX  255                     /* maximum biased binary exponent */
        !            30: #endif
        !            31: 
        !            32: /* This macro determines which bit field base types are promoted. */
        !            33: #define doalign(t)             0
        !            34: 
        !            35: /* end of h/i386/cc0mch.h */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.