+++ /dev/null
-/* Intel 80960 specific, C compiler specific functions.
- Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000
- Free Software Foundation, Inc.
- Contributed by Steven McGeady, Intel Corp.
- Additional Work by Glenn Colon-Bonet, Jonathan Shapiro, Andy Wilson
- Converted to GCC 2.0 by Jim Wilson and Michael Tiemann, Cygnus Support.
-
-This file is part of GNU CC.
-
-GNU CC 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.
-
-GNU CC 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#include "config.h"
-#include "system.h"
-#include "cpplib.h"
-#include "tree.h"
-#include "c-pragma.h"
-#include "c-lex.h"
-#include "toplev.h"
-#include "ggc.h"
-#include "tm_p.h"
-
-/* Handle pragmas for compatibility with Intel's compilers. */
-
-/* NOTE: ic960 R3.0 pragma align definition:
-
- #pragma align [(size)] | (identifier=size[,...])
- #pragma noalign [(identifier)[,...]]
-
- (all parens are optional)
-
- - size is [1,2,4,8,16]
- - noalign means size==1
- - applies only to component elements of a struct (and union?)
- - identifier applies to structure tag (only)
- - missing identifier means next struct
-
- - alignment rules for bitfields need more investigation.
-
- This implementation only handles the case of no identifiers. */
-
-void
-i960_pr_align (pfile)
- cpp_reader *pfile ATTRIBUTE_UNUSED;
-{
- tree number;
- enum cpp_ttype type;
- int align;
-
- type = c_lex (&number);
- if (type == CPP_OPEN_PAREN)
- type = c_lex (&number);
- if (type == CPP_NAME)
- {
- warning ("sorry, not implemented: #pragma align NAME=SIZE");
- return;
- }
- if (type != CPP_NUMBER)
- {
- warning ("malformed #pragma align - ignored");
- return;
- }
-
- align = TREE_INT_CST_LOW (number);
- switch (align)
- {
- case 0:
- /* Return to last alignment. */
- align = i960_last_maxbitalignment / 8;
- /* Fall through. */
- case 16:
- case 8:
- case 4:
- case 2:
- case 1:
- i960_last_maxbitalignment = i960_maxbitalignment;
- i960_maxbitalignment = align * 8;
- break;
-
- default:
- /* Silently ignore bad values. */
- break;
- }
-}
-
-void
-i960_pr_noalign (pfile)
- cpp_reader *pfile ATTRIBUTE_UNUSED;
-{
- enum cpp_ttype type;
- tree number;
-
- type = c_lex (&number);
- if (type == CPP_OPEN_PAREN)
- type = c_lex (&number);
- if (type == CPP_NAME)
- {
- warning ("sorry, not implemented: #pragma noalign NAME");
- return;
- }
-
- i960_last_maxbitalignment = i960_maxbitalignment;
- i960_maxbitalignment = 8;
-}