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/* Semantics ops support for CGEN-based simulators.

   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.

   Contributed by Cygnus Solutions.

This file is part of the GNU Simulators.

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License along

with this program; if not, write to the Free Software Foundation, Inc.,

59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

*/

#ifndef CGEN_SEM_OPS_H

#define CGEN_SEM_OPS_H

#if defined (__GNUC__) && ! defined (SEMOPS_DEFINE_INLINE)

#define SEMOPS_DEFINE_INLINE

#define SEMOPS_INLINE extern inline

#else

#define SEMOPS_INLINE

#endif

/* Semantic operations.

   At one point this file was machine generated.  Maybe it will be again.  */

/* TODO: Lazy encoding/decoding of fp values.  */

/* These don't really have a mode.  */

#define ANDIF(x, y) ((x) && (y))

#define ORIF(x, y) ((x) || (y))

#define ANDBI(x, y) ((x) & (y))

#define ORBI(x, y) ((x) | (y))

#define XORBI(x, y) ((x) ^ (y))

#define NEGBI(x) (- (x))

#define NOTBI(x) (! (BI) (x))

#define INVBI(x) (~ (x))

#define EQBI(x, y) ((BI) (x) == (BI) (y))

#define NEBI(x, y) ((BI) (x) != (BI) (y))

#define LTBI(x, y) ((BI) (x) < (BI) (y))

#define LEBI(x, y) ((BI) (x) <= (BI) (y))

#define GTBI(x, y) ((BI) (x) > (BI) (y))

#define GEBI(x, y) ((BI) (x) >= (BI) (y))

#define LTUBI(x, y) ((BI) (x) < (BI) (y))

#define LEUBI(x, y) ((BI) (x) <= (BI) (y))

#define GTUBI(x, y) ((BI) (x) > (BI) (y))

#define GEUBI(x, y) ((BI) (x) >= (BI) (y))

#define ADDQI(x, y) ((x) + (y))

#define SUBQI(x, y) ((x) - (y))

#define MULQI(x, y) ((x) * (y))

#define DIVQI(x, y) ((QI) (x) / (QI) (y))

#define UDIVQI(x, y) ((UQI) (x) / (UQI) (y))

#define MODQI(x, y) ((QI) (x) % (QI) (y))

#define UMODQI(x, y) ((UQI) (x) % (UQI) (y))

#define SRAQI(x, y) ((QI) (x) >> (y))

#define SRLQI(x, y) ((UQI) (x) >> (y))

#define SLLQI(x, y) ((UQI) (x) << (y))

extern QI RORQI (QI, int);

extern QI ROLQI (QI, int);

#define ANDQI(x, y) ((x) & (y))

#define ORQI(x, y) ((x) | (y))

#define XORQI(x, y) ((x) ^ (y))

#define NEGQI(x) (- (x))

#define NOTQI(x) (! (QI) (x))

#define INVQI(x) (~ (x))

#define ABSQI(x) ((x) < 0 ? -(x) : (x))

#define EQQI(x, y) ((QI) (x) == (QI) (y))

#define NEQI(x, y) ((QI) (x) != (QI) (y))

#define LTQI(x, y) ((QI) (x) < (QI) (y))

#define LEQI(x, y) ((QI) (x) <= (QI) (y))

#define GTQI(x, y) ((QI) (x) > (QI) (y))

#define GEQI(x, y) ((QI) (x) >= (QI) (y))

#define LTUQI(x, y) ((UQI) (x) < (UQI) (y))

#define LEUQI(x, y) ((UQI) (x) <= (UQI) (y))

#define GTUQI(x, y) ((UQI) (x) > (UQI) (y))

#define GEUQI(x, y) ((UQI) (x) >= (UQI) (y))

#define ADDHI(x, y) ((x) + (y))

#define SUBHI(x, y) ((x) - (y))

#define MULHI(x, y) ((x) * (y))

#define DIVHI(x, y) ((HI) (x) / (HI) (y))

#define UDIVHI(x, y) ((UHI) (x) / (UHI) (y))

#define MODHI(x, y) ((HI) (x) % (HI) (y))

#define UMODHI(x, y) ((UHI) (x) % (UHI) (y))

#define SRAHI(x, y) ((HI) (x) >> (y))

#define SRLHI(x, y) ((UHI) (x) >> (y))

#define SLLHI(x, y) ((UHI) (x) << (y))

extern HI RORHI (HI, int);

extern HI ROLHI (HI, int);

#define ANDHI(x, y) ((x) & (y))

#define ORHI(x, y) ((x) | (y))

#define XORHI(x, y) ((x) ^ (y))

#define NEGHI(x) (- (x))

#define NOTHI(x) (! (HI) (x))

#define INVHI(x) (~ (x))

#define ABSHI(x) ((x) < 0 ? -(x) : (x))

#define EQHI(x, y) ((HI) (x) == (HI) (y))

#define NEHI(x, y) ((HI) (x) != (HI) (y))

#define LTHI(x, y) ((HI) (x) < (HI) (y))

#define LEHI(x, y) ((HI) (x) <= (HI) (y))

#define GTHI(x, y) ((HI) (x) > (HI) (y))

#define GEHI(x, y) ((HI) (x) >= (HI) (y))

#define LTUHI(x, y) ((UHI) (x) < (UHI) (y))

#define LEUHI(x, y) ((UHI) (x) <= (UHI) (y))

#define GTUHI(x, y) ((UHI) (x) > (UHI) (y))

#define GEUHI(x, y) ((UHI) (x) >= (UHI) (y))

#define ADDSI(x, y) ((x) + (y))

#define SUBSI(x, y) ((x) - (y))

#define MULSI(x, y) ((x) * (y))

#define DIVSI(x, y) ((SI) (x) / (SI) (y))

#define UDIVSI(x, y) ((USI) (x) / (USI) (y))

#define MODSI(x, y) ((SI) (x) % (SI) (y))

#define UMODSI(x, y) ((USI) (x) % (USI) (y))

#define SRASI(x, y) ((SI) (x) >> (y))

#define SRLSI(x, y) ((USI) (x) >> (y))

#define SLLSI(x, y) ((USI) (x) << (y))

extern SI RORSI (SI, int);

extern SI ROLSI (SI, int);

#define ANDSI(x, y) ((x) & (y))

#define ORSI(x, y) ((x) | (y))

#define XORSI(x, y) ((x) ^ (y))

#define NEGSI(x) (- (x))

#define NOTSI(x) (! (SI) (x))

#define INVSI(x) (~ (x))

#define ABSSI(x) ((x) < 0 ? -(x) : (x))

#define EQSI(x, y) ((SI) (x) == (SI) (y))

#define NESI(x, y) ((SI) (x) != (SI) (y))

#define LTSI(x, y) ((SI) (x) < (SI) (y))

#define LESI(x, y) ((SI) (x) <= (SI) (y))

#define GTSI(x, y) ((SI) (x) > (SI) (y))

#define GESI(x, y) ((SI) (x) >= (SI) (y))

#define LTUSI(x, y) ((USI) (x) < (USI) (y))

#define LEUSI(x, y) ((USI) (x) <= (USI) (y))

#define GTUSI(x, y) ((USI) (x) > (USI) (y))

#define GEUSI(x, y) ((USI) (x) >= (USI) (y))

#ifdef DI_FN_SUPPORT

extern DI ADDDI (DI, DI);

extern DI SUBDI (DI, DI);

extern DI MULDI (DI, DI);

extern DI DIVDI (DI, DI);

extern DI UDIVDI (DI, DI);

extern DI MODDI (DI, DI);

extern DI UMODDI (DI, DI);

extern DI SRADI (DI, int);

extern UDI SRLDI (UDI, int);

extern UDI SLLDI (UDI, int);

extern DI RORDI (DI, int);

extern DI ROLDI (DI, int);

extern DI ANDDI (DI, DI);

extern DI ORDI (DI, DI);

extern DI XORDI (DI, DI);

extern DI NEGDI (DI);

extern int NOTDI (DI);

extern DI INVDI (DI);

extern int EQDI (DI, DI);

extern int NEDI (DI, DI);

extern int LTDI (DI, DI);

extern int LEDI (DI, DI);

extern int GTDI (DI, DI);

extern int GEDI (DI, DI);

extern int LTUDI (UDI, UDI);

extern int LEUDI (UDI, UDI);

extern int GTUDI (UDI, UDI);

extern int GEUDI (UDI, UDI);

#else /* ! DI_FN_SUPPORT */

#define ADDDI(x, y) ((x) + (y))

#define SUBDI(x, y) ((x) - (y))

#define MULDI(x, y) ((x) * (y))

#define DIVDI(x, y) ((DI) (x) / (DI) (y))

#define UDIVDI(x, y) ((UDI) (x) / (UDI) (y))

#define MODDI(x, y) ((DI) (x) % (DI) (y))

#define UMODDI(x, y) ((UDI) (x) % (UDI) (y))

#define SRADI(x, y) ((DI) (x) >> (y))

#define SRLDI(x, y) ((UDI) (x) >> (y))

#define SLLDI(x, y) ((UDI) (x) << (y))

extern DI RORDI (DI, int);

extern DI ROLDI (DI, int);

#define ANDDI(x, y) ((x) & (y))

#define ORDI(x, y) ((x) | (y))

#define XORDI(x, y) ((x) ^ (y))

#define NEGDI(x) (- (x))

#define NOTDI(x) (! (DI) (x))

#define INVDI(x) (~ (x))

#define ABSDI(x) ((x) < 0 ? -(x) : (x))

#define EQDI(x, y) ((DI) (x) == (DI) (y))

#define NEDI(x, y) ((DI) (x) != (DI) (y))

#define LTDI(x, y) ((DI) (x) < (DI) (y))

#define LEDI(x, y) ((DI) (x) <= (DI) (y))

#define GTDI(x, y) ((DI) (x) > (DI) (y))

#define GEDI(x, y) ((DI) (x) >= (DI) (y))

#define LTUDI(x, y) ((UDI) (x) < (UDI) (y))

#define LEUDI(x, y) ((UDI) (x) <= (UDI) (y))

#define GTUDI(x, y) ((UDI) (x) > (UDI) (y))

#define GEUDI(x, y) ((UDI) (x) >= (UDI) (y))

#endif /* DI_FN_SUPPORT */

#define EXTBIQI(x) ((QI) (BI) (x))

#define EXTBIHI(x) ((HI) (BI) (x))

#define EXTBISI(x) ((SI) (BI) (x))

#if defined (DI_FN_SUPPORT)

extern DI EXTBIDI (BI);

#else

#define EXTBIDI(x) ((DI) (BI) (x))

#endif

#define EXTQIHI(x) ((HI) (QI) (x))

#define EXTQISI(x) ((SI) (QI) (x))

#if defined (DI_FN_SUPPORT)

extern DI EXTQIDI (QI);

#else

#define EXTQIDI(x) ((DI) (QI) (x))

#endif

#define EXTHIHI(x) ((HI) (HI) (x))

#define EXTHISI(x) ((SI) (HI) (x))

#define EXTSISI(x) ((SI) (SI) (x))

#if defined (DI_FN_SUPPORT)

extern DI EXTHIDI (HI);

#else

#define EXTHIDI(x) ((DI) (HI) (x))

#endif

#if defined (DI_FN_SUPPORT)

extern DI EXTSIDI (SI);

#else

#define EXTSIDI(x) ((DI) (SI) (x))

#endif

#define ZEXTBIQI(x) ((QI) (BI) (x))

#define ZEXTBIHI(x) ((HI) (BI) (x))

#define ZEXTBISI(x) ((SI) (BI) (x))

#if defined (DI_FN_SUPPORT)

extern DI ZEXTBIDI (BI);

#else

#define ZEXTBIDI(x) ((DI) (BI) (x))

#endif

#define ZEXTQIHI(x) ((HI) (UQI) (x))

#define ZEXTQISI(x) ((SI) (UQI) (x))

#if defined (DI_FN_SUPPORT)

extern DI ZEXTQIDI (QI);

#else

#define ZEXTQIDI(x) ((DI) (UQI) (x))

#endif

#define ZEXTHISI(x) ((SI) (UHI) (x))

#define ZEXTHIHI(x) ((HI) (UHI) (x))

#define ZEXTSISI(x) ((SI) (USI) (x))

#if defined (DI_FN_SUPPORT)

extern DI ZEXTHIDI (HI);

#else

#define ZEXTHIDI(x) ((DI) (UHI) (x))

#endif

#if defined (DI_FN_SUPPORT)

extern DI ZEXTSIDI (SI);

#else

#define ZEXTSIDI(x) ((DI) (USI) (x))

#endif

#define TRUNCQIBI(x) ((BI) (QI) (x))

#define TRUNCHIBI(x) ((BI) (HI) (x))

#define TRUNCHIQI(x) ((QI) (HI) (x))

#define TRUNCSIBI(x) ((BI) (SI) (x))

#define TRUNCSIQI(x) ((QI) (SI) (x))

#define TRUNCSIHI(x) ((HI) (SI) (x))

#define TRUNCSISI(x) ((SI) (SI) (x))

#if defined (DI_FN_SUPPORT)

extern BI TRUNCDIBI (DI);

#else

#define TRUNCDIBI(x) ((BI) (DI) (x))

#endif

#if defined (DI_FN_SUPPORT)

extern QI TRUNCDIQI (DI);

#else

#define TRUNCDIQI(x) ((QI) (DI) (x))

#endif

#if defined (DI_FN_SUPPORT)

extern HI TRUNCDIHI (DI);

#else

#define TRUNCDIHI(x) ((HI) (DI) (x))

#endif

#if defined (DI_FN_SUPPORT)

extern SI TRUNCDISI (DI);

#else

#define TRUNCDISI(x) ((SI) (DI) (x))

#endif

/* Composing/decomposing the various types.

   Word ordering is endian-independent.  Words are specified most to least

   significant and word number 0 is the most significant word.

   ??? May also wish an endian-dependent version.  Later.  */

#ifdef SEMOPS_DEFINE_INLINE

SEMOPS_INLINE SF

SUBWORDSISF (SI in)

{

  union { SI in; SF out; } x;

  x.in = in;

  return x.out;

}

SEMOPS_INLINE SI

SUBWORDSFSI (SF in)

{

  union { SF in; SI out; } x;

  x.in = in;

  return x.out;

}

SEMOPS_INLINE SI

SUBWORDDISI (DI in, int word)

{

  if (word == 0)

    return (UDI) in >> 32;

  else

    return in;

}

SEMOPS_INLINE SI

SUBWORDDFSI (DF in, int word)

{

  /* Note: typedef UDI DF; */

  if (word == 0)

    return (UDI) in >> 32;

  else

    return in;

}

SEMOPS_INLINE SI

SUBWORDXFSI (XF in, int word)

{

  /* Note: typedef struct { SI parts[3]; } XF; */

  union { XF in; SI out[3]; } x;

  x.in = in;

  return x.out[word];

}

SEMOPS_INLINE SI

SUBWORDTFSI (TF in, int word)

{

  /* Note: typedef struct { SI parts[4]; } TF; */

  union { TF in; SI out[4]; } x;

  x.in = in;

  return x.out[word];

}

SEMOPS_INLINE DI

JOINSIDI (SI x0, SI x1)

{

  if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)

    return MAKEDI (x0, x1);

  else

    return MAKEDI (x1, x0);

}

SEMOPS_INLINE DF

JOINSIDF (SI x0, SI x1)

{

  union { SI in[2]; DF out; } x;

  if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)

    x.in[0] = x0, x.in[1] = x1;

  else

    x.in[1] = x0, x.in[0] = x1;

  return x.out;

}

SEMOPS_INLINE XF

JOINSIXF (SI x0, SI x1, SI x2)

{

  union { SI in[3]; XF out; } x;

  if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)

    x.in[0] = x0, x.in[1] = x1, x.in[2] = x2;

  else

    x.in[2] = x0, x.in[1] = x1, x.in[0] = x2;

  return x.out;

}

SEMOPS_INLINE TF

JOINSITF (SI x0, SI x1, SI x2, SI x3)

{

  union { SI in[4]; TF out; } x;

  if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)

    x.in[0] = x0, x.in[1] = x1, x.in[2] = x2, x.in[3] = x3;

  else

    x.in[3] = x0, x.in[2] = x1, x.in[1] = x2, x.in[0] = x3;

  return x.out;

}

#else

SF SUBWORDSISF (SI);

SI SUBWORDSFSI (SF);

SI SUBWORDDISI (DI, int);

SI SUBWORDDFSI (DF, int);

SI SUBWORDXFSI (XF, int);

SI SUBWORDTFSI (TF, int);

DI JOINSIDI (SI, SI);

DF JOINSIDF (SI, SI);

XF JOINSIXF (SI, SI, SI);

TF JOINSITF (SI, SI, SI, SI);

#endif /* SUBWORD,JOIN */

/* Semantic support utilities.  */

#ifdef SEMOPS_DEFINE_INLINE

SEMOPS_INLINE SI

ADDCSI (SI a, SI b, BI c)

{

  SI res = ADDSI (a, ADDSI (b, c));

  return res;

}

SEMOPS_INLINE BI

ADDCFSI (SI a, SI b, BI c)

{

  SI tmp = ADDSI (a, ADDSI (b, c));

  BI res = ((USI) tmp < (USI) a) || (c && tmp == a);

  return res;

}

SEMOPS_INLINE BI

ADDOFSI (SI a, SI b, BI c)

{

  SI tmp = ADDSI (a, ADDSI (b, c));

  BI res = (((a < 0) == (b < 0))

            && ((a < 0) != (tmp < 0)));

  return res;

}

SEMOPS_INLINE SI

SUBCSI (SI a, SI b, BI c)

{

  SI res = SUBSI (a, ADDSI (b, c));

  return res;

}

SEMOPS_INLINE BI

SUBCFSI (SI a, SI b, BI c)

{

  BI res = ((USI) a < (USI) b) || (c && a == b);

  return res;

}

SEMOPS_INLINE BI

SUBOFSI (SI a, SI b, BI c)

{

  SI tmp = SUBSI (a, ADDSI (b, c));

  BI res = (((a < 0) != (b < 0))

            && ((a < 0) != (tmp < 0)));

  return res;

}

SEMOPS_INLINE HI

ADDCHI (HI a, HI b, BI c)

{

  HI res = ADDHI (a, ADDHI (b, c));

  return res;

}

SEMOPS_INLINE BI

ADDCFHI (HI a, HI b, BI c)

{

  HI tmp = ADDHI (a, ADDHI (b, c));

  BI res = ((UHI) tmp < (UHI) a) || (c && tmp == a);

  return res;

}

SEMOPS_INLINE BI

ADDOFHI (HI a, HI b, BI c)

{

  HI tmp = ADDHI (a, ADDHI (b, c));

  BI res = (((a < 0) == (b < 0))

            && ((a < 0) != (tmp < 0)));

  return res;

}

SEMOPS_INLINE HI

SUBCHI (HI a, HI b, BI c)

{

  HI res = SUBHI (a, ADDHI (b, c));

  return res;

}

SEMOPS_INLINE BI

SUBCFHI (HI a, HI b, BI c)

{

  BI res = ((UHI) a < (UHI) b) || (c && a == b);

  return res;

}

SEMOPS_INLINE BI

SUBOFHI (HI a, HI b, BI c)

{

  HI tmp = SUBHI (a, ADDHI (b, c));

  BI res = (((a < 0) != (b < 0))

            && ((a < 0) != (tmp < 0)));

  return res;

}

#else

SI ADDCSI (SI, SI, BI);

UBI ADDCFSI (SI, SI, BI);

UBI ADDOFSI (SI, SI, BI);

SI SUBCSI (SI, SI, BI);

UBI SUBCFSI (SI, SI, BI);

UBI SUBOFSI (SI, SI, BI);

HI ADDCHI (HI, HI, BI);

UBI ADDCFHI (HI, HI, BI);

UBI ADDOFHI (HI, HI, BI);

HI SUBCHI (HI, HI, BI);

UBI SUBCFHI (HI, HI, BI);

UBI SUBOFHI (HI, HI, BI);

#endif

#endif /* CGEN_SEM_OPS_H */