855 lines
19 KiB
C
855 lines
19 KiB
C
/****************************************************************
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Copyright 1990, 1992 by AT&T Bell Laboratories and Bellcore.
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the names of AT&T Bell Laboratories or
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Bellcore or any of their entities not be used in advertising or
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publicity pertaining to distribution of the software without
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specific, written prior permission.
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AT&T and Bellcore disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall AT&T or Bellcore be liable for
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any special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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****************************************************************/
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#include "defs.h"
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#include "names.h"
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void cast_args ();
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union
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{
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int ijunk;
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struct Intrpacked bits;
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} packed;
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struct Intrbits
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{
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char intrgroup /* :3 */;
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char intrstuff /* result type or number of generics */;
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char intrno /* :7 */;
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char dblcmplx;
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char dblintrno; /* for -r8 */
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};
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/* List of all intrinsic functions. */
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LOCAL struct Intrblock
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{
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char intrfname[8];
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struct Intrbits intrval;
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} intrtab[ ] =
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{
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"int", { INTRCONV, TYLONG },
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"real", { INTRCONV, TYREAL, 1 },
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/* 1 ==> real(TYDCOMPLEX) yields TYDREAL */
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"dble", { INTRCONV, TYDREAL },
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"cmplx", { INTRCONV, TYCOMPLEX },
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"dcmplx", { INTRCONV, TYDCOMPLEX, 0, 1 },
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"ifix", { INTRCONV, TYLONG },
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"idint", { INTRCONV, TYLONG },
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"float", { INTRCONV, TYREAL },
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"dfloat", { INTRCONV, TYDREAL },
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"sngl", { INTRCONV, TYREAL },
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"ichar", { INTRCONV, TYLONG },
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"iachar", { INTRCONV, TYLONG },
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"char", { INTRCONV, TYCHAR },
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"achar", { INTRCONV, TYCHAR },
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/* any MAX or MIN can be used with any types; the compiler will cast them
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correctly. So rules against bad syntax in these expressions are not
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enforced */
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"max", { INTRMAX, TYUNKNOWN },
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"max0", { INTRMAX, TYLONG },
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"amax0", { INTRMAX, TYREAL },
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"max1", { INTRMAX, TYLONG },
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"amax1", { INTRMAX, TYREAL },
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"dmax1", { INTRMAX, TYDREAL },
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"and", { INTRBOOL, TYUNKNOWN, OPBITAND },
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"or", { INTRBOOL, TYUNKNOWN, OPBITOR },
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"xor", { INTRBOOL, TYUNKNOWN, OPBITXOR },
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"not", { INTRBOOL, TYUNKNOWN, OPBITNOT },
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"lshift", { INTRBOOL, TYUNKNOWN, OPLSHIFT },
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"rshift", { INTRBOOL, TYUNKNOWN, OPRSHIFT },
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"min", { INTRMIN, TYUNKNOWN },
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"min0", { INTRMIN, TYLONG },
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"amin0", { INTRMIN, TYREAL },
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"min1", { INTRMIN, TYLONG },
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"amin1", { INTRMIN, TYREAL },
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"dmin1", { INTRMIN, TYDREAL },
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"aint", { INTRGEN, 2, 0 },
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"dint", { INTRSPEC, TYDREAL, 1 },
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"anint", { INTRGEN, 2, 2 },
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"dnint", { INTRSPEC, TYDREAL, 3 },
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"nint", { INTRGEN, 4, 4 },
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"idnint", { INTRGEN, 2, 6 },
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"abs", { INTRGEN, 6, 8 },
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"iabs", { INTRGEN, 2, 9 },
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"dabs", { INTRSPEC, TYDREAL, 11 },
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"cabs", { INTRSPEC, TYREAL, 12, 0, 13 },
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"zabs", { INTRSPEC, TYDREAL, 13, 1 },
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"mod", { INTRGEN, 4, 14 },
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"amod", { INTRSPEC, TYREAL, 16, 0, 17 },
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"dmod", { INTRSPEC, TYDREAL, 17 },
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"sign", { INTRGEN, 4, 18 },
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"isign", { INTRGEN, 2, 19 },
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"dsign", { INTRSPEC, TYDREAL, 21 },
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"dim", { INTRGEN, 4, 22 },
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"idim", { INTRGEN, 2, 23 },
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"ddim", { INTRSPEC, TYDREAL, 25 },
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"dprod", { INTRSPEC, TYDREAL, 26 },
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"len", { INTRSPEC, TYLONG, 27 },
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"index", { INTRSPEC, TYLONG, 29 },
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"imag", { INTRGEN, 2, 31 },
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"aimag", { INTRSPEC, TYREAL, 31, 0, 32 },
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"dimag", { INTRSPEC, TYDREAL, 32 },
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"conjg", { INTRGEN, 2, 33 },
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"dconjg", { INTRSPEC, TYDCOMPLEX, 34, 1 },
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"sqrt", { INTRGEN, 4, 35 },
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"dsqrt", { INTRSPEC, TYDREAL, 36 },
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"csqrt", { INTRSPEC, TYCOMPLEX, 37, 0, 38 },
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"zsqrt", { INTRSPEC, TYDCOMPLEX, 38, 1 },
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"exp", { INTRGEN, 4, 39 },
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"dexp", { INTRSPEC, TYDREAL, 40 },
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"cexp", { INTRSPEC, TYCOMPLEX, 41, 0, 42 },
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"zexp", { INTRSPEC, TYDCOMPLEX, 42, 1 },
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"log", { INTRGEN, 4, 43 },
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"alog", { INTRSPEC, TYREAL, 43, 0, 44 },
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"dlog", { INTRSPEC, TYDREAL, 44 },
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"clog", { INTRSPEC, TYCOMPLEX, 45, 0, 46 },
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"zlog", { INTRSPEC, TYDCOMPLEX, 46, 1 },
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"log10", { INTRGEN, 2, 47 },
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"alog10", { INTRSPEC, TYREAL, 47, 0, 48 },
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"dlog10", { INTRSPEC, TYDREAL, 48 },
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"sin", { INTRGEN, 4, 49 },
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"dsin", { INTRSPEC, TYDREAL, 50 },
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"csin", { INTRSPEC, TYCOMPLEX, 51, 0, 52 },
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"zsin", { INTRSPEC, TYDCOMPLEX, 52, 1 },
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"cos", { INTRGEN, 4, 53 },
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"dcos", { INTRSPEC, TYDREAL, 54 },
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"ccos", { INTRSPEC, TYCOMPLEX, 55, 0, 56 },
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"zcos", { INTRSPEC, TYDCOMPLEX, 56, 1 },
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"tan", { INTRGEN, 2, 57 },
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"dtan", { INTRSPEC, TYDREAL, 58 },
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"asin", { INTRGEN, 2, 59 },
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"dasin", { INTRSPEC, TYDREAL, 60 },
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"acos", { INTRGEN, 2, 61 },
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"dacos", { INTRSPEC, TYDREAL, 62 },
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"atan", { INTRGEN, 2, 63 },
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"datan", { INTRSPEC, TYDREAL, 64 },
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"atan2", { INTRGEN, 2, 65 },
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"datan2", { INTRSPEC, TYDREAL, 66 },
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"sinh", { INTRGEN, 2, 67 },
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"dsinh", { INTRSPEC, TYDREAL, 68 },
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"cosh", { INTRGEN, 2, 69 },
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"dcosh", { INTRSPEC, TYDREAL, 70 },
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"tanh", { INTRGEN, 2, 71 },
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"dtanh", { INTRSPEC, TYDREAL, 72 },
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"lge", { INTRSPEC, TYLOGICAL, 73},
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"lgt", { INTRSPEC, TYLOGICAL, 75},
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"lle", { INTRSPEC, TYLOGICAL, 77},
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"llt", { INTRSPEC, TYLOGICAL, 79},
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#if 0
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"epbase", { INTRCNST, 4, 0 },
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"epprec", { INTRCNST, 4, 4 },
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"epemin", { INTRCNST, 2, 8 },
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"epemax", { INTRCNST, 2, 10 },
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"eptiny", { INTRCNST, 2, 12 },
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"ephuge", { INTRCNST, 4, 14 },
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"epmrsp", { INTRCNST, 2, 18 },
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#endif
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"fpexpn", { INTRGEN, 4, 81 },
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"fpabsp", { INTRGEN, 2, 85 },
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"fprrsp", { INTRGEN, 2, 87 },
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"fpfrac", { INTRGEN, 2, 89 },
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"fpmake", { INTRGEN, 2, 91 },
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"fpscal", { INTRGEN, 2, 93 },
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"" };
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LOCAL struct Specblock
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{
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char atype; /* Argument type; every arg must have
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this type */
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char rtype; /* Result type */
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char nargs; /* Number of arguments */
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char spxname[8]; /* Name of the function in Fortran */
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char othername; /* index into callbyvalue table */
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} spectab[ ] =
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{
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{ TYREAL,TYREAL,1,"r_int" },
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{ TYDREAL,TYDREAL,1,"d_int" },
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{ TYREAL,TYREAL,1,"r_nint" },
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{ TYDREAL,TYDREAL,1,"d_nint" },
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{ TYREAL,TYSHORT,1,"h_nint" },
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{ TYREAL,TYLONG,1,"i_nint" },
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{ TYDREAL,TYSHORT,1,"h_dnnt" },
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{ TYDREAL,TYLONG,1,"i_dnnt" },
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{ TYREAL,TYREAL,1,"r_abs" },
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{ TYSHORT,TYSHORT,1,"h_abs" },
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{ TYLONG,TYLONG,1,"i_abs" },
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{ TYDREAL,TYDREAL,1,"d_abs" },
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{ TYCOMPLEX,TYREAL,1,"c_abs" },
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{ TYDCOMPLEX,TYDREAL,1,"z_abs" },
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{ TYSHORT,TYSHORT,2,"h_mod" },
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{ TYLONG,TYLONG,2,"i_mod" },
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{ TYREAL,TYREAL,2,"r_mod" },
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{ TYDREAL,TYDREAL,2,"d_mod" },
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{ TYREAL,TYREAL,2,"r_sign" },
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{ TYSHORT,TYSHORT,2,"h_sign" },
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{ TYLONG,TYLONG,2,"i_sign" },
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{ TYDREAL,TYDREAL,2,"d_sign" },
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{ TYREAL,TYREAL,2,"r_dim" },
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{ TYSHORT,TYSHORT,2,"h_dim" },
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{ TYLONG,TYLONG,2,"i_dim" },
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{ TYDREAL,TYDREAL,2,"d_dim" },
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{ TYREAL,TYDREAL,2,"d_prod" },
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{ TYCHAR,TYSHORT,1,"h_len" },
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{ TYCHAR,TYLONG,1,"i_len" },
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{ TYCHAR,TYSHORT,2,"h_indx" },
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{ TYCHAR,TYLONG,2,"i_indx" },
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{ TYCOMPLEX,TYREAL,1,"r_imag" },
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{ TYDCOMPLEX,TYDREAL,1,"d_imag" },
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{ TYCOMPLEX,TYCOMPLEX,1,"r_cnjg" },
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{ TYDCOMPLEX,TYDCOMPLEX,1,"d_cnjg" },
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{ TYREAL,TYREAL,1,"r_sqrt", 1 },
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{ TYDREAL,TYDREAL,1,"d_sqrt", 1 },
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{ TYCOMPLEX,TYCOMPLEX,1,"c_sqrt" },
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{ TYDCOMPLEX,TYDCOMPLEX,1,"z_sqrt" },
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{ TYREAL,TYREAL,1,"r_exp", 2 },
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{ TYDREAL,TYDREAL,1,"d_exp", 2 },
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{ TYCOMPLEX,TYCOMPLEX,1,"c_exp" },
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{ TYDCOMPLEX,TYDCOMPLEX,1,"z_exp" },
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{ TYREAL,TYREAL,1,"r_log", 3 },
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{ TYDREAL,TYDREAL,1,"d_log", 3 },
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{ TYCOMPLEX,TYCOMPLEX,1,"c_log" },
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{ TYDCOMPLEX,TYDCOMPLEX,1,"z_log" },
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{ TYREAL,TYREAL,1,"r_lg10" },
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{ TYDREAL,TYDREAL,1,"d_lg10" },
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{ TYREAL,TYREAL,1,"r_sin", 4 },
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{ TYDREAL,TYDREAL,1,"d_sin", 4 },
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{ TYCOMPLEX,TYCOMPLEX,1,"c_sin" },
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{ TYDCOMPLEX,TYDCOMPLEX,1,"z_sin" },
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{ TYREAL,TYREAL,1,"r_cos", 5 },
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{ TYDREAL,TYDREAL,1,"d_cos", 5 },
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{ TYCOMPLEX,TYCOMPLEX,1,"c_cos" },
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{ TYDCOMPLEX,TYDCOMPLEX,1,"z_cos" },
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{ TYREAL,TYREAL,1,"r_tan", 6 },
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{ TYDREAL,TYDREAL,1,"d_tan", 6 },
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{ TYREAL,TYREAL,1,"r_asin", 7 },
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{ TYDREAL,TYDREAL,1,"d_asin", 7 },
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{ TYREAL,TYREAL,1,"r_acos", 8 },
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{ TYDREAL,TYDREAL,1,"d_acos", 8 },
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{ TYREAL,TYREAL,1,"r_atan", 9 },
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{ TYDREAL,TYDREAL,1,"d_atan", 9 },
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{ TYREAL,TYREAL,2,"r_atn2", 10 },
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{ TYDREAL,TYDREAL,2,"d_atn2", 10 },
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{ TYREAL,TYREAL,1,"r_sinh", 11 },
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{ TYDREAL,TYDREAL,1,"d_sinh", 11 },
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{ TYREAL,TYREAL,1,"r_cosh", 12 },
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{ TYDREAL,TYDREAL,1,"d_cosh", 12 },
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{ TYREAL,TYREAL,1,"r_tanh", 13 },
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{ TYDREAL,TYDREAL,1,"d_tanh", 13 },
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{ TYCHAR,TYLOGICAL,2,"hl_ge" },
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{ TYCHAR,TYLOGICAL,2,"l_ge" },
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{ TYCHAR,TYLOGICAL,2,"hl_gt" },
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{ TYCHAR,TYLOGICAL,2,"l_gt" },
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{ TYCHAR,TYLOGICAL,2,"hl_le" },
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{ TYCHAR,TYLOGICAL,2,"l_le" },
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{ TYCHAR,TYLOGICAL,2,"hl_lt" },
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{ TYCHAR,TYLOGICAL,2,"l_lt" },
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{ TYREAL,TYSHORT,1,"hr_expn" },
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{ TYREAL,TYLONG,1,"ir_expn" },
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{ TYDREAL,TYSHORT,1,"hd_expn" },
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{ TYDREAL,TYLONG,1,"id_expn" },
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{ TYREAL,TYREAL,1,"r_absp" },
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{ TYDREAL,TYDREAL,1,"d_absp" },
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{ TYREAL,TYDREAL,1,"r_rrsp" },
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{ TYDREAL,TYDREAL,1,"d_rrsp" },
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{ TYREAL,TYREAL,1,"r_frac" },
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{ TYDREAL,TYDREAL,1,"d_frac" },
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{ TYREAL,TYREAL,2,"r_make" },
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{ TYDREAL,TYDREAL,2,"d_make" },
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{ TYREAL,TYREAL,2,"r_scal" },
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{ TYDREAL,TYDREAL,2,"d_scal" },
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{ 0 }
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} ;
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#if 0
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LOCAL struct Incstblock
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{
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char atype;
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char rtype;
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char constno;
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} consttab[ ] =
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{
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{ TYSHORT, TYLONG, 0 },
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{ TYLONG, TYLONG, 1 },
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{ TYREAL, TYLONG, 2 },
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{ TYDREAL, TYLONG, 3 },
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{ TYSHORT, TYLONG, 4 },
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{ TYLONG, TYLONG, 5 },
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{ TYREAL, TYLONG, 6 },
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{ TYDREAL, TYLONG, 7 },
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{ TYREAL, TYLONG, 8 },
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{ TYDREAL, TYLONG, 9 },
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{ TYREAL, TYLONG, 10 },
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{ TYDREAL, TYLONG, 11 },
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{ TYREAL, TYREAL, 0 },
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{ TYDREAL, TYDREAL, 1 },
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{ TYSHORT, TYLONG, 12 },
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{ TYLONG, TYLONG, 13 },
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{ TYREAL, TYREAL, 2 },
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{ TYDREAL, TYDREAL, 3 },
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{ TYREAL, TYREAL, 4 },
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{ TYDREAL, TYDREAL, 5 }
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};
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#endif
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char *callbyvalue[ ] =
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{0,
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"sqrt",
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"exp",
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"log",
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"sin",
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"cos",
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"tan",
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"asin",
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"acos",
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"atan",
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"atan2",
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"sinh",
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"cosh",
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"tanh"
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};
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void
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r8fix() /* adjust tables for -r8 */
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{
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register struct Intrblock *I;
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register struct Specblock *S;
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for(I = intrtab; I->intrfname[0]; I++)
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if (I->intrval.intrgroup != INTRGEN)
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switch(I->intrval.intrstuff) {
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case TYREAL:
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I->intrval.intrstuff = TYDREAL;
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I->intrval.intrno = I->intrval.dblintrno;
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break;
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case TYCOMPLEX:
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I->intrval.intrstuff = TYDCOMPLEX;
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I->intrval.intrno = I->intrval.dblintrno;
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I->intrval.dblcmplx = 1;
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}
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for(S = spectab; S->atype; S++)
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switch(S->atype) {
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case TYCOMPLEX:
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S->atype = TYDCOMPLEX;
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if (S->rtype == TYREAL)
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S->rtype = TYDREAL;
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else if (S->rtype == TYCOMPLEX)
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S->rtype = TYDCOMPLEX;
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switch(S->spxname[0]) {
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case 'r':
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S->spxname[0] = 'd';
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break;
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case 'c':
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S->spxname[0] = 'z';
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break;
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default:
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Fatal("r8fix bug");
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}
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break;
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case TYREAL:
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S->atype = TYDREAL;
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switch(S->rtype) {
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case TYREAL:
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S->rtype = TYDREAL;
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if (S->spxname[0] != 'r')
|
|
Fatal("r8fix bug");
|
|
S->spxname[0] = 'd';
|
|
case TYDREAL: /* d_prod */
|
|
break;
|
|
|
|
case TYSHORT:
|
|
if (!strcmp(S->spxname, "hr_expn"))
|
|
S->spxname[1] = 'd';
|
|
else if (!strcmp(S->spxname, "h_nint"))
|
|
strcpy(S->spxname, "h_dnnt");
|
|
else Fatal("r8fix bug");
|
|
break;
|
|
|
|
case TYLONG:
|
|
if (!strcmp(S->spxname, "ir_expn"))
|
|
S->spxname[1] = 'd';
|
|
else if (!strcmp(S->spxname, "i_nint"))
|
|
strcpy(S->spxname, "i_dnnt");
|
|
else Fatal("r8fix bug");
|
|
break;
|
|
|
|
default:
|
|
Fatal("r8fix bug");
|
|
}
|
|
}
|
|
}
|
|
|
|
expptr intrcall(np, argsp, nargs)
|
|
Namep np;
|
|
struct Listblock *argsp;
|
|
int nargs;
|
|
{
|
|
int i, rettype;
|
|
Addrp ap;
|
|
register struct Specblock *sp;
|
|
register struct Chain *cp;
|
|
expptr Inline(), mkcxcon(), mkrealcon();
|
|
expptr q, ep;
|
|
int mtype;
|
|
int op;
|
|
int f1field, f2field, f3field;
|
|
|
|
packed.ijunk = np->vardesc.varno;
|
|
f1field = packed.bits.f1;
|
|
f2field = packed.bits.f2;
|
|
f3field = packed.bits.f3;
|
|
if(nargs == 0)
|
|
goto badnargs;
|
|
|
|
mtype = 0;
|
|
for(cp = argsp->listp ; cp ; cp = cp->nextp)
|
|
{
|
|
ep = (expptr)cp->datap;
|
|
if( ISCONST(ep) && ep->headblock.vtype==TYSHORT )
|
|
cp->datap = (char *) mkconv(tyint, ep);
|
|
mtype = maxtype(mtype, ep->headblock.vtype);
|
|
}
|
|
|
|
switch(f1field)
|
|
{
|
|
case INTRBOOL:
|
|
op = f3field;
|
|
if( ! ONEOF(mtype, MSKINT|MSKLOGICAL) )
|
|
goto badtype;
|
|
if(op == OPBITNOT)
|
|
{
|
|
if(nargs != 1)
|
|
goto badnargs;
|
|
q = mkexpr(OPBITNOT, (expptr)argsp->listp->datap, ENULL);
|
|
}
|
|
else
|
|
{
|
|
if(nargs != 2)
|
|
goto badnargs;
|
|
q = mkexpr(op, (expptr)argsp->listp->datap,
|
|
(expptr)argsp->listp->nextp->datap);
|
|
}
|
|
frchain( &(argsp->listp) );
|
|
free( (charptr) argsp);
|
|
return(q);
|
|
|
|
case INTRCONV:
|
|
rettype = f2field;
|
|
switch(rettype) {
|
|
case TYLONG:
|
|
rettype = tyint;
|
|
break;
|
|
case TYLOGICAL:
|
|
rettype = tylog;
|
|
}
|
|
if( ISCOMPLEX(rettype) && nargs==2)
|
|
{
|
|
expptr qr, qi;
|
|
qr = (expptr) argsp->listp->datap;
|
|
qi = (expptr) argsp->listp->nextp->datap;
|
|
if(ISCONST(qr) && ISCONST(qi))
|
|
q = mkcxcon(qr,qi);
|
|
else q = mkexpr(OPCONV,mkconv(rettype-2,qr),
|
|
mkconv(rettype-2,qi));
|
|
}
|
|
else if(nargs == 1) {
|
|
if (f3field && ((Exprp)argsp->listp->datap)->vtype
|
|
== TYDCOMPLEX)
|
|
rettype = TYDREAL;
|
|
q = mkconv(rettype+100, (expptr)argsp->listp->datap);
|
|
if (q->tag == TADDR)
|
|
q->addrblock.parenused = 1;
|
|
}
|
|
else goto badnargs;
|
|
|
|
q->headblock.vtype = rettype;
|
|
frchain(&(argsp->listp));
|
|
free( (charptr) argsp);
|
|
return(q);
|
|
|
|
|
|
#if 0
|
|
case INTRCNST:
|
|
|
|
/* Machine-dependent f77 stuff that f2c omits:
|
|
|
|
intcon contains
|
|
radix for short int
|
|
radix for long int
|
|
radix for single precision
|
|
radix for double precision
|
|
precision for short int
|
|
precision for long int
|
|
precision for single precision
|
|
precision for double precision
|
|
emin for single precision
|
|
emin for double precision
|
|
emax for single precision
|
|
emax for double prcision
|
|
largest short int
|
|
largest long int
|
|
|
|
realcon contains
|
|
tiny for single precision
|
|
tiny for double precision
|
|
huge for single precision
|
|
huge for double precision
|
|
mrsp (epsilon) for single precision
|
|
mrsp (epsilon) for double precision
|
|
*/
|
|
{ register struct Incstblock *cstp;
|
|
extern ftnint intcon[14];
|
|
extern double realcon[6];
|
|
|
|
cstp = consttab + f3field;
|
|
for(i=0 ; i<f2field ; ++i)
|
|
if(cstp->atype == mtype)
|
|
goto foundconst;
|
|
else
|
|
++cstp;
|
|
goto badtype;
|
|
|
|
foundconst:
|
|
switch(cstp->rtype)
|
|
{
|
|
case TYLONG:
|
|
return(mkintcon(intcon[cstp->constno]));
|
|
|
|
case TYREAL:
|
|
case TYDREAL:
|
|
return(mkrealcon(cstp->rtype,
|
|
realcon[cstp->constno]) );
|
|
|
|
default:
|
|
Fatal("impossible intrinsic constant");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
case INTRGEN:
|
|
sp = spectab + f3field;
|
|
if(no66flag)
|
|
if(sp->atype == mtype)
|
|
goto specfunct;
|
|
else err66("generic function");
|
|
|
|
for(i=0; i<f2field ; ++i)
|
|
if(sp->atype == mtype)
|
|
goto specfunct;
|
|
else
|
|
++sp;
|
|
warn1 ("bad argument type to intrinsic %s", np->fvarname);
|
|
|
|
/* Made this a warning rather than an error so things like "log (5) ==>
|
|
log (5.0)" can be accommodated. When none of these cases matches, the
|
|
argument is cast up to the first type in the spectab list; this first
|
|
type is assumed to be the "smallest" type, e.g. REAL before DREAL
|
|
before COMPLEX, before DCOMPLEX */
|
|
|
|
sp = spectab + f3field;
|
|
mtype = sp -> atype;
|
|
goto specfunct;
|
|
|
|
case INTRSPEC:
|
|
sp = spectab + f3field;
|
|
specfunct:
|
|
if(tyint==TYLONG && ONEOF(sp->rtype,M(TYSHORT)|M(TYLOGICAL))
|
|
&& (sp+1)->atype==sp->atype)
|
|
++sp;
|
|
|
|
if(nargs != sp->nargs)
|
|
goto badnargs;
|
|
if(mtype != sp->atype)
|
|
goto badtype;
|
|
|
|
/* NOTE!! I moved fixargs (YES) into the ELSE branch so that constants in
|
|
the inline expression wouldn't get put into the constant table */
|
|
|
|
fixargs (NO, argsp);
|
|
cast_args (mtype, argsp -> listp);
|
|
|
|
if(q = Inline((int)(sp-spectab), mtype, argsp->listp))
|
|
{
|
|
frchain( &(argsp->listp) );
|
|
free( (charptr) argsp);
|
|
} else {
|
|
|
|
if(sp->othername) {
|
|
/* C library routines that return double... */
|
|
/* sp->rtype might be TYREAL */
|
|
ap = builtin(sp->rtype,
|
|
callbyvalue[sp->othername], 1);
|
|
q = fixexpr((Exprp)
|
|
mkexpr(OPCCALL, (expptr)ap, (expptr)argsp) );
|
|
} else {
|
|
fixargs(YES, argsp);
|
|
ap = builtin(sp->rtype, sp->spxname, 0);
|
|
q = fixexpr((Exprp)
|
|
mkexpr(OPCALL, (expptr)ap, (expptr)argsp) );
|
|
} /* else */
|
|
} /* else */
|
|
return(q);
|
|
|
|
case INTRMIN:
|
|
case INTRMAX:
|
|
if(nargs < 2)
|
|
goto badnargs;
|
|
if( ! ONEOF(mtype, MSKINT|MSKREAL) )
|
|
goto badtype;
|
|
argsp->vtype = mtype;
|
|
q = mkexpr( (f1field==INTRMIN ? OPMIN : OPMAX), (expptr)argsp, ENULL);
|
|
|
|
q->headblock.vtype = mtype;
|
|
rettype = f2field;
|
|
if(rettype == TYLONG)
|
|
rettype = tyint;
|
|
else if(rettype == TYUNKNOWN)
|
|
rettype = mtype;
|
|
return( mkconv(rettype, q) );
|
|
|
|
default:
|
|
fatali("intrcall: bad intrgroup %d", f1field);
|
|
}
|
|
badnargs:
|
|
errstr("bad number of arguments to intrinsic %s", np->fvarname);
|
|
goto bad;
|
|
|
|
badtype:
|
|
errstr("bad argument type to intrinsic %s", np->fvarname);
|
|
|
|
bad:
|
|
return( errnode() );
|
|
}
|
|
|
|
|
|
|
|
|
|
intrfunct(s)
|
|
char *s;
|
|
{
|
|
register struct Intrblock *p;
|
|
|
|
for(p = intrtab; p->intrval.intrgroup!=INTREND ; ++p)
|
|
{
|
|
if( !strcmp(s, p->intrfname) )
|
|
{
|
|
packed.bits.f1 = p->intrval.intrgroup;
|
|
packed.bits.f2 = p->intrval.intrstuff;
|
|
packed.bits.f3 = p->intrval.intrno;
|
|
packed.bits.f4 = p->intrval.dblcmplx;
|
|
return(packed.ijunk);
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Addrp intraddr(np)
|
|
Namep np;
|
|
{
|
|
Addrp q;
|
|
register struct Specblock *sp;
|
|
int f3field;
|
|
|
|
if(np->vclass!=CLPROC || np->vprocclass!=PINTRINSIC)
|
|
fatalstr("intraddr: %s is not intrinsic", np->fvarname);
|
|
packed.ijunk = np->vardesc.varno;
|
|
f3field = packed.bits.f3;
|
|
|
|
switch(packed.bits.f1)
|
|
{
|
|
case INTRGEN:
|
|
/* imag, log, and log10 arent specific functions */
|
|
if(f3field==31 || f3field==43 || f3field==47)
|
|
goto bad;
|
|
|
|
case INTRSPEC:
|
|
sp = spectab + f3field;
|
|
if (tyint == TYLONG
|
|
&& (sp->rtype == TYSHORT || sp->rtype == TYLOGICAL))
|
|
++sp;
|
|
q = builtin(sp->rtype, sp->spxname,
|
|
sp->othername ? 1 : 0);
|
|
return(q);
|
|
|
|
case INTRCONV:
|
|
case INTRMIN:
|
|
case INTRMAX:
|
|
case INTRBOOL:
|
|
case INTRCNST:
|
|
bad:
|
|
errstr("cannot pass %s as actual", np->fvarname);
|
|
return((Addrp)errnode());
|
|
}
|
|
fatali("intraddr: impossible f1=%d\n", (int) packed.bits.f1);
|
|
/* NOT REACHED */ return 0;
|
|
}
|
|
|
|
|
|
|
|
void cast_args (maxtype, args)
|
|
int maxtype;
|
|
chainp args;
|
|
{
|
|
for (; args; args = args -> nextp) {
|
|
expptr e = (expptr) args->datap;
|
|
if (e -> headblock.vtype != maxtype)
|
|
if (e -> tag == TCONST)
|
|
args->datap = (char *) mkconv(maxtype, e);
|
|
else {
|
|
Addrp temp = mktmp(maxtype, ENULL);
|
|
|
|
puteq(cpexpr((expptr)temp), e);
|
|
args->datap = (char *)temp;
|
|
} /* else */
|
|
} /* for */
|
|
} /* cast_args */
|
|
|
|
|
|
|
|
expptr Inline(fno, type, args)
|
|
int fno;
|
|
int type;
|
|
struct Chain *args;
|
|
{
|
|
register expptr q, t, t1;
|
|
|
|
switch(fno)
|
|
{
|
|
case 8: /* real abs */
|
|
case 9: /* short int abs */
|
|
case 10: /* long int abs */
|
|
case 11: /* double precision abs */
|
|
if( addressable(q = (expptr) args->datap) )
|
|
{
|
|
t = q;
|
|
q = NULL;
|
|
}
|
|
else
|
|
t = (expptr) mktmp(type,ENULL);
|
|
t1 = mkexpr(type == TYREAL && forcedouble ? OPDABS : OPABS,
|
|
cpexpr(t), ENULL);
|
|
if(q)
|
|
t1 = mkexpr(OPCOMMA, mkexpr(OPASSIGN, cpexpr(t),q), t1);
|
|
frexpr(t);
|
|
return(t1);
|
|
|
|
case 26: /* dprod */
|
|
q = mkexpr(OPSTAR, mkconv(TYDREAL,(expptr)args->datap),
|
|
(expptr)args->nextp->datap);
|
|
return(q);
|
|
|
|
case 27: /* len of character string */
|
|
q = (expptr) cpexpr(((tagptr)args->datap)->headblock.vleng);
|
|
frexpr((expptr)args->datap);
|
|
return(q);
|
|
|
|
case 14: /* half-integer mod */
|
|
case 15: /* mod */
|
|
return mkexpr(OPMOD, (expptr) args->datap,
|
|
(expptr) args->nextp->datap);
|
|
}
|
|
return(NULL);
|
|
}
|