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Annotation of coherent/d/bin/cc/c/n1/i8086/altemp.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * This routine allocates temporary
        !             3:  * locations on the stack, adjusting the stack
        !             4:  * frame temporaty location if necessary.
        !             5:  */
        !             6: #ifdef   vax
        !             7: #include "INC$LIB:cc1.h"
        !             8: #else
        !             9: #include "cc1.h"
        !            10: #endif
        !            11: 
        !            12: /*
        !            13:  * Allocate a new temporary and
        !            14:  * return a pointer to a TREE node that describes
        !            15:  * it. The type is set from the type of the node that
        !            16:  * is going to be stored. The "flag" is true if the
        !            17:  * node needs to be allocated.
        !            18:  */
        !            19: TREE *
        !            20: tempnode(tp, flag)
        !            21: register TREE  *tp;
        !            22: {
        !            23:        register TREE   *tp1;
        !            24:        register TYPE   ntype;
        !            25:        register int    nbase;
        !            26: 
        !            27:        if (flag != 0)
        !            28:                curtemp += pertype[tp->t_type].p_size;
        !            29:        ntype = SPTR;
        !            30:        nbase = BP;
        !            31: #if !ONLYSMALL
        !            32:        if (notvariant(VSMALL)) {
        !            33:                ntype = LPTR;
        !            34:                nbase = SSBP;
        !            35:        }
        !            36: #endif
        !            37:        tp1 = makenode(REG, ntype);
        !            38:        tp1->t_reg = nbase;
        !            39:        tp1 = leafnode(tp1);
        !            40:        tp1 = leftnode(SUB, tp1, ntype, 0);
        !            41:        tp1->t_rp = ivalnode(curtemp);
        !            42:        tp1 = leftnode(STAR, tp1, tp->t_type, tp->t_size);
        !            43:        return (tp1);
        !            44: }

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