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i960.h (i960_maxbitalignment, [...]): Declare.
* i960.h (i960_maxbitalignment, i960_last_maxbitalignment): Declare. * i960.c (i960_maxbitalignment, i960_last_maxbitalignment): Make global. (process_pragma): Delete. (i960_pr_align, i960_pr_noalign): Move from here ... * i960-c.c: ... to this new file. * t-960bare (i960-c.o): New rule. * t-vxworks960 (i960-c.o): Likewise. * config.gcc (i960-*-*): Define c_target_objs and cxx_target_objs. From-SVN: r40502
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@ -1,3 +1,17 @@
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Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
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* i960.h (i960_maxbitalignment,
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i960_last_maxbitalignment): Declare.
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* i960.c (i960_maxbitalignment,
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i960_last_maxbitalignment): Make global.
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(process_pragma): Delete.
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(i960_pr_align, i960_pr_noalign): Move from here ...
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* i960-c.c: ... to this new file.
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* t-960bare (i960-c.o): New rule.
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* t-vxworks960 (i960-c.o): Likewise.
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* config.gcc (i960-*-*): Define c_target_objs and
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cxx_target_objs.
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2001-03-15 Bernd Schmidt <bernds@redhat.com>
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* cselib.c (hash_rtx): For REG and MEM, just use value of expression
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@ -1519,23 +1519,31 @@ i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
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tmake_file=i960/t-vxworks960
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use_collect2=yes
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thread_file='vxworks'
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c_target_objs="i960-c.o"
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cxx_target_objs="i960-c.o"
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;;
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i960-wrs-vxworks5* | i960-wrs-vxworks)
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tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
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tmake_file=i960/t-vxworks960
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use_collect2=yes
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thread_file='vxworks'
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c_target_objs="i960-c.o"
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cxx_target_objs="i960-c.o"
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;;
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i960-wrs-vxworks*)
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tm_file="${tm_file} i960/vx960.h"
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tmake_file=i960/t-vxworks960
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use_collect2=yes
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thread_file='vxworks'
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c_target_objs="i960-c.o"
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cxx_target_objs="i960-c.o"
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;;
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i960-*-coff*)
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tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
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tmake_file=i960/t-960bare
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use_collect2=yes
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c_target_objs="i960-c.o"
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cxx_target_objs="i960-c.o"
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;;
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i960-*-rtems)
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tmake_file="i960/t-960bare t-rtems"
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@ -1544,9 +1552,13 @@ i960-*-rtems)
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if test x$enable_threads = xyes; then
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thread_file='rtems'
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fi
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c_target_objs="i960-c.o"
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cxx_target_objs="i960-c.o"
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;;
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i960-*-*) # Default i960 environment.
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use_collect2=yes
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c_target_objs="i960-c.o"
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cxx_target_objs="i960-c.o"
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;;
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ia64*-*-elf*)
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tm_file=ia64/elf.h
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116
gcc/config/i960/i960-c.c
Normal file
116
gcc/config/i960/i960-c.c
Normal file
@ -0,0 +1,116 @@
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/* Intel 80960 specific, C compiler specific functions.
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Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000
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Free Software Foundation, Inc.
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Contributed by Steven McGeady, Intel Corp.
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Additional Work by Glenn Colon-Bonet, Jonathan Shapiro, Andy Wilson
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Converted to GCC 2.0 by Jim Wilson and Michael Tiemann, Cygnus Support.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "config.h"
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#include "system.h"
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#include "cpplib.h"
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#include "tree.h"
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#include "c-pragma.h"
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#include "c-lex.h"
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#include "toplev.h"
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#include "ggc.h"
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#include "tm_p.h"
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/* Handle pragmas for compatibility with Intel's compilers. */
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/* NOTE: ic960 R3.0 pragma align definition:
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#pragma align [(size)] | (identifier=size[,...])
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#pragma noalign [(identifier)[,...]]
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(all parens are optional)
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- size is [1,2,4,8,16]
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- noalign means size==1
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- applies only to component elements of a struct (and union?)
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- identifier applies to structure tag (only)
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- missing identifier means next struct
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- alignment rules for bitfields need more investigation.
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This implementation only handles the case of no identifiers. */
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void
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i960_pr_align (pfile)
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cpp_reader *pfile ATTRIBUTE_UNUSED;
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{
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tree number;
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enum cpp_ttype type;
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int align;
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type = c_lex (&number);
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if (type == CPP_OPEN_PAREN)
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type = c_lex (&number);
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if (type == CPP_NAME)
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{
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warning ("sorry, not implemented: #pragma align NAME=SIZE");
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return;
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}
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if (type != CPP_NUMBER)
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{
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warning ("malformed #pragma align - ignored");
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return;
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}
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align = TREE_INT_CST_LOW (number);
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switch (align)
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{
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case 0:
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/* Return to last alignment. */
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align = i960_last_maxbitalignment / 8;
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/* Fall through. */
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case 16:
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case 8:
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case 4:
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case 2:
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case 1:
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i960_last_maxbitalignment = i960_maxbitalignment;
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i960_maxbitalignment = align * 8;
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break;
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default:
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/* Silently ignore bad values. */
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break;
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}
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}
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void
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i960_pr_noalign (pfile)
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cpp_reader *pfile ATTRIBUTE_UNUSED;
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{
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enum cpp_ttype type;
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tree number;
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type = c_lex (&number);
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if (type == CPP_OPEN_PAREN)
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type = c_lex (&number);
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if (type == CPP_NAME)
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{
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warning ("sorry, not implemented: #pragma noalign NAME");
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return;
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}
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i960_last_maxbitalignment = i960_maxbitalignment;
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i960_maxbitalignment = 8;
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}
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@ -55,8 +55,8 @@ rtx i960_compare_op0, i960_compare_op1;
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/* Used to implement #pragma align/noalign. Initialized by OVERRIDE_OPTIONS
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macro in i960.h. */
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static int i960_maxbitalignment;
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static int i960_last_maxbitalignment;
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int i960_maxbitalignment;
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int i960_last_maxbitalignment;
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/* Used to implement switching between MEM and ALU insn types, for better
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C series performance. */
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@ -89,135 +89,6 @@ static int ret_label = 0;
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&& (TREE_VALUE (tree_last (TYPE_ARG_TYPES (TREE_TYPE (FNDECL)))) != void_type_node)) \
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|| current_function_varargs)
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/* Handle pragmas for compatibility with Intel's compilers. */
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/* NOTE: ic960 R3.0 pragma align definition:
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#pragma align [(size)] | (identifier=size[,...])
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#pragma noalign [(identifier)[,...]]
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(all parens are optional)
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- size is [1,2,4,8,16]
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- noalign means size==1
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- applies only to component elements of a struct (and union?)
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- identifier applies to structure tag (only)
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- missing identifier means next struct
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- alignment rules for bitfields need more investigation.
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This implementation only handles the case of no identifiers. */
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void
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i960_pr_align (pfile)
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cpp_reader *pfile ATTRIBUTE_UNUSED;
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{
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tree number;
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enum cpp_ttype type;
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int align;
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type = c_lex (&number);
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if (type == CPP_OPEN_PAREN)
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type = c_lex (&number);
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if (type == CPP_NAME)
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{
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warning ("sorry, not implemented: #pragma align NAME=SIZE");
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return;
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}
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if (type != CPP_NUMBER)
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{
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warning ("malformed #pragma align - ignored");
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return;
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}
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align = TREE_INT_CST_LOW (number);
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switch (align)
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{
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case 0:
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/* Return to last alignment. */
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align = i960_last_maxbitalignment / 8;
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/* Fall through. */
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case 16:
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case 8:
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case 4:
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case 2:
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case 1:
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i960_last_maxbitalignment = i960_maxbitalignment;
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i960_maxbitalignment = align * 8;
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break;
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default:
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/* Silently ignore bad values. */
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break;
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}
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}
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void
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i960_pr_noalign (pfile)
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cpp_reader *pfile ATTRIBUTE_UNUSED;
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{
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enum cpp_ttype type;
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tree number;
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type = c_lex (&number);
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if (type == CPP_OPEN_PAREN)
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type = c_lex (&number);
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if (type == CPP_NAME)
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{
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warning ("sorry, not implemented: #pragma noalign NAME");
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return;
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}
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i960_last_maxbitalignment = i960_maxbitalignment;
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i960_maxbitalignment = 8;
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}
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int
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process_pragma (p_getc, p_ungetc, pname)
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int (* p_getc) PARAMS ((void));
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void (* p_ungetc) PARAMS ((int));
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const char *pname;
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{
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register int c;
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char buf[20];
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char *s = buf;
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int align;
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/* Should be pragma 'far' or equivalent for callx/balx here. */
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if (strcmp (pname, "align") != 0)
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return 0;
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do
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{
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c = p_getc ();
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}
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while (c == ' ' || c == '\t');
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if (c == '(')
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c = p_getc ();
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while (c >= '0' && c <= '9')
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{
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if (s < buf + sizeof buf - 1)
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*s++ = c;
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c = p_getc ();
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}
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*s = '\0';
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/* We had to read a non-numerical character to get out of the
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while loop---often a newline. So, we have to put it back to
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make sure we continue to parse everything properly. */
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p_ungetc (c);
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align = atoi (buf);
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return 1;
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}
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/* Initialize variables before compiling any files. */
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void
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fprintf (asm_out_file, "\t.type\t0x%x;", A)
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/* Handle pragmas for compatibility with Intel's compilers. */
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extern int i960_maxbitalignment;
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extern int i960_last_maxbitalignment;
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#define REGISTER_TARGET_PRAGMAS(PFILE) do { \
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cpp_register_pragma (PFILE, 0, "align", i960_pr_align); \
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cpp_register_pragma (PFILE, 0, "noalign", i960_pr_noalign); \
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@ -21,6 +21,9 @@ xp-bit.c: $(srcdir)/config/fp-bit.c
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echo '#define EXTENDED_FLOAT_STUBS' > xp-bit.c
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cat $(srcdir)/config/fp-bit.c >> xp-bit.c
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i960-c.o: $(srcdir)/config/i960/i960-c.c
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$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $<
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MULTILIB_OPTIONS=mnumerics/msoft-float mlong-double-64
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MULTILIB_DIRNAMES=float soft-float ld64
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MULTILIB_MATCHES=mnumerics=msb mnumerics=msc mnumerics=mkb mnumerics=mkc mnumerics=mmc mnumerics=mcb mnumerics=mcc mnumerics=mjf msoft-float=msa msoft-float=mka msoft-float=mca msoft-float=mcf
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echo '#define EXTENDED_FLOAT_STUBS' > xp-bit.c
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cat $(srcdir)/config/fp-bit.c >> xp-bit.c
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i960-c.o: $(srcdir)/config/i960/i960-c.c
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$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $<
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MULTILIB_OPTIONS=mnumerics/msoft-float mlong-double-64
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MULTILIB_DIRNAMES=float soft-float ld64
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MULTILIB_MATCHES=mnumerics=msb mnumerics=msc mnumerics=mkb mnumerics=mkc mnumerics=mmc mnumerics=mcb mnumerics=mcc msoft-float=msa msoft-float=mka msoft-float=mca msoft-float=mcf
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