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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
This commit is contained in:
John Wehle 2001-03-15 16:29:10 +00:00 committed by John Wehle
parent a4f4333ade
commit 43fabf7d74
7 changed files with 154 additions and 131 deletions
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14
gcc/ChangeLog
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@ -1,3 +1,17 @@
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

12
gcc/config.gcc
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@ -1519,23 +1519,31 @@ i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
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="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
tmake_file=i960/t-960bare
use_collect2=yes
c_target_objs="i960-c.o"
cxx_target_objs="i960-c.o"
;;
i960-*-rtems)
tmake_file="i960/t-960bare t-rtems"
@ -1544,9 +1552,13 @@ i960-*-rtems)
if test x$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

116
gcc/config/i960/i960-c.c Normal file
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@ -0,0 +1,116 @@
/* 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;
}

133
gcc/config/i960/i960.c
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@ -55,8 +55,8 @@ rtx i960_compare_op0, i960_compare_op1;
/* 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. */
@ -89,135 +89,6 @@ static int ret_label = 0;
&& (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

4
gcc/config/i960/i960.h
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@ -131,6 +131,10 @@ Boston, MA 02111-1307, USA. */
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); \

3
gcc/config/i960/t-960bare
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@ -21,6 +21,9 @@ xp-bit.c: $(srcdir)/config/fp-bit.c
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

3
gcc/config/i960/t-vxworks960
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@ -24,6 +24,9 @@ xp-bit.c: $(srcdir)/config/fp-bit.c
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