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/* Definitions of target machine GNU compiler.  IA-64 version.

   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.

   Contributed by James E. Wilson  and

                  David Mosberger .

This file is part of GCC.

GCC 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 3, or (at your option)

any later version.

GCC 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 GCC; see the file COPYING3.  If not see

.  */

/* IA64 requires both XF and TF modes.

   XFmode is __float80 is IEEE extended; TFmode is __float128

   is IEEE quad.  Both these modes occupy 16 bytes, but XFmode

   only has 80 significant bits.  RFmode is __fpreg is IA64 internal

   register format with 82 significant bits but otherwise handled like

   XFmode.  */

FRACTIONAL_FLOAT_MODE (XF, 80, 16, ieee_extended_intel_128_format);

FRACTIONAL_FLOAT_MODE (RF, 82, 16, ieee_extended_intel_128_format);

FLOAT_MODE (TF, 16, ieee_quad_format);

/* The above produces:

   mode   ILP32 size/align      LP64 size/align

   XF     16/16                 16/16

   TF     16/16                 16/16

   psABI expectations:

   mode   ILP32 size/align      LP64 size/align

   XF     12/4                  -

   TF     -                     -

   HPUX expectations:

   mode   ILP32 size/align      LP64 size/align

   XF     -                     -

   TF     16/8                  -

   We fix this up here.  */

ADJUST_FLOAT_FORMAT (XF, (TARGET_ILP32 && !TARGET_HPUX)

                         ? &ieee_extended_intel_96_format

                         : &ieee_extended_intel_128_format);

ADJUST_BYTESIZE  (XF, (TARGET_ILP32 && !TARGET_HPUX) ? 12 : 16);

ADJUST_ALIGNMENT (XF, (TARGET_ILP32 && !TARGET_HPUX) ?  4 : 16);

ADJUST_FLOAT_FORMAT (RF, (TARGET_ILP32 && !TARGET_HPUX)

                         ? &ieee_extended_intel_96_format

                         : &ieee_extended_intel_128_format);

ADJUST_BYTESIZE  (RF, (TARGET_ILP32 && !TARGET_HPUX) ? 12 : 16);

ADJUST_ALIGNMENT (RF, (TARGET_ILP32 && !TARGET_HPUX) ?  4 : 16);

ADJUST_ALIGNMENT (TF, (TARGET_ILP32 &&  TARGET_HPUX) ?  8 : 16);

/* 256-bit integer mode is needed for STACK_SAVEAREA_MODE.  */

INT_MODE (OI, 32);

/* Add any extra modes needed to represent the condition code.

   CCImode is used to mark a single predicate register instead

   of a register pair.  This is currently only used in reg_raw_mode

   so that flow doesn't do something stupid.  */

CC_MODE (CCI);

/* Vector modes.  */

VECTOR_MODES (INT, 4);          /* V4QI V2HI */

VECTOR_MODES (INT, 8);          /* V8QI V4HI V2SI */

VECTOR_MODE (INT, QI, 16);

VECTOR_MODE (INT, HI, 8);

VECTOR_MODE (INT, SI, 4);

VECTOR_MODE (FLOAT, SF, 2);

VECTOR_MODE (FLOAT, SF, 4);