+Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
+
+ * 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.
+
2001-03-15 Bernd Schmidt <bernds@redhat.com>
* cselib.c (hash_rtx): For REG and MEM, just use value of expression
tmake_file=i960/t-vxworks960
use_collect2=yes
thread_file='vxworks'
+ c_target_objs="i960-c.o"
+ cxx_target_objs="i960-c.o"
;;
i960-wrs-vxworks5* | i960-wrs-vxworks)
tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
tmake_file=i960/t-vxworks960
use_collect2=yes
thread_file='vxworks'
+ c_target_objs="i960-c.o"
+ cxx_target_objs="i960-c.o"
;;
i960-wrs-vxworks*)
tm_file="${tm_file} i960/vx960.h"
tmake_file=i960/t-vxworks960
use_collect2=yes
thread_file='vxworks'
+ c_target_objs="i960-c.o"
+ cxx_target_objs="i960-c.o"
;;
i960-*-coff*)
tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
tmake_file=i960/t-960bare
use_collect2=yes
+ c_target_objs="i960-c.o"
+ cxx_target_objs="i960-c.o"
;;
i960-*-rtems)
tmake_file="i960/t-960bare t-rtems"
if test x$enable_threads = xyes; then
thread_file='rtems'
fi
+ c_target_objs="i960-c.o"
+ cxx_target_objs="i960-c.o"
;;
i960-*-*) # Default i960 environment.
use_collect2=yes
+ c_target_objs="i960-c.o"
+ cxx_target_objs="i960-c.o"
;;
ia64*-*-elf*)
tm_file=ia64/elf.h
--- /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;
+}
/* Used to implement #pragma align/noalign. Initialized by OVERRIDE_OPTIONS
macro in i960.h. */
-static int i960_maxbitalignment;
-static int i960_last_maxbitalignment;
+int i960_maxbitalignment;
+int i960_last_maxbitalignment;
/* Used to implement switching between MEM and ALU insn types, for better
C series performance. */
&& (TREE_VALUE (tree_last (TYPE_ARG_TYPES (TREE_TYPE (FNDECL)))) != void_type_node)) \
|| current_function_varargs)
-/* 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;
-}
-
-int
-process_pragma (p_getc, p_ungetc, pname)
- int (* p_getc) PARAMS ((void));
- void (* p_ungetc) PARAMS ((int));
- const char *pname;
-{
- register int c;
- char buf[20];
- char *s = buf;
- int align;
-
- /* Should be pragma 'far' or equivalent for callx/balx here. */
- if (strcmp (pname, "align") != 0)
- return 0;
-
- do
- {
- c = p_getc ();
- }
- while (c == ' ' || c == '\t');
-
- if (c == '(')
- c = p_getc ();
-
- while (c >= '0' && c <= '9')
- {
- if (s < buf + sizeof buf - 1)
- *s++ = c;
- c = p_getc ();
- }
-
- *s = '\0';
-
- /* We had to read a non-numerical character to get out of the
- while loop---often a newline. So, we have to put it back to
- make sure we continue to parse everything properly. */
-
- p_ungetc (c);
-
- align = atoi (buf);
-
-
-
- return 1;
-}
-
/* Initialize variables before compiling any files. */
void
fprintf (asm_out_file, "\t.type\t0x%x;", A)
/* Handle pragmas for compatibility with Intel's compilers. */
+
+extern int i960_maxbitalignment;
+extern int i960_last_maxbitalignment;
+
#define REGISTER_TARGET_PRAGMAS(PFILE) do { \
cpp_register_pragma (PFILE, 0, "align", i960_pr_align); \
cpp_register_pragma (PFILE, 0, "noalign", i960_pr_noalign); \
echo '#define EXTENDED_FLOAT_STUBS' > xp-bit.c
cat $(srcdir)/config/fp-bit.c >> xp-bit.c
+i960-c.o: $(srcdir)/config/i960/i960-c.c
+ $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $<
+
MULTILIB_OPTIONS=mnumerics/msoft-float mlong-double-64
MULTILIB_DIRNAMES=float soft-float ld64
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
echo '#define EXTENDED_FLOAT_STUBS' > xp-bit.c
cat $(srcdir)/config/fp-bit.c >> xp-bit.c
+i960-c.o: $(srcdir)/config/i960/i960-c.c
+ $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $<
+
MULTILIB_OPTIONS=mnumerics/msoft-float mlong-double-64
MULTILIB_DIRNAMES=float soft-float ld64
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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