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[Xtensa] use include/xtensa-config.h imported from binutils

This patch imports the xtensa-config.h header from binutils into the top-level 
include directory, and changes the Xtensa port to use the new version in 
place of the old one in the gcc/config/xtensa directory.  Tested with the 
xtensa-elf target and committed on the mainline.

include ChangeLog:

2003-06-30  Bob Wilson  <bob.wilson@acm.org>

	* xtensa-config.h: New file imported from binutils.

gcc ChangeLog:

2003-06-30  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/lib1funcs.asm: Use "xtensa-config.h" from
	top-level include directory.
	* config/xtensa/lib2funcs.S: Likewise.
	* config/xtensa/xtensa.h: Likewise.
	* config/xtensa/xtensa-config.h: Remove.
	* doc/install.texi: Update location of "xtensa-config.h" header.
	

*** /dev/null	Thu Apr 11 07:25:15 2002
--- xtensa-config.h	Mon Jun 30 15:06:51 2003
***************
*** 0 ****
--- 1,68 ----
+ /* Xtensa configuration settings.
+    Copyright (C) 2001,2002,2003 Free Software Foundation, Inc.
+    Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica.
+ 
+    This program 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.
+ 
+    This program 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 this program; if not, write to the Free Software
+    Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+ 
+ #ifndef XTENSA_CONFIG_H
+ #define XTENSA_CONFIG_H
+ 
+ /* The macros defined here match those with the same names in the Xtensa
+    compile-time HAL (Hardware Abstraction Layer).  Please refer to the
+    Xtensa System Software Reference Manual for documentation of these
+    macros.  */
+ 
+ #define XCHAL_HAVE_BE			1
+ #define XCHAL_HAVE_DENSITY		1
+ #define XCHAL_HAVE_CONST16		0
+ #define XCHAL_HAVE_ABS			1
+ #define XCHAL_HAVE_ADDX			1
+ #define XCHAL_HAVE_L32R			1
+ #define XCHAL_HAVE_MAC16		0
+ #define XCHAL_HAVE_MUL16		0
+ #define XCHAL_HAVE_MUL32		0
+ #define XCHAL_HAVE_DIV32		0
+ #define XCHAL_HAVE_NSA			1
+ #define XCHAL_HAVE_MINMAX		0
+ #define XCHAL_HAVE_SEXT			0
+ #define XCHAL_HAVE_LOOPS		1
+ #define XCHAL_HAVE_BOOLEANS		0
+ #define XCHAL_HAVE_FP			0
+ #define XCHAL_HAVE_FP_DIV		0
+ #define XCHAL_HAVE_FP_RECIP		0
+ #define XCHAL_HAVE_FP_SQRT		0
+ #define XCHAL_HAVE_FP_RSQRT		0
+ #define XCHAL_HAVE_WINDOWED		1
+ 
+ #define XCHAL_ICACHE_SIZE		8192
+ #define XCHAL_DCACHE_SIZE		8192
+ #define XCHAL_ICACHE_LINESIZE		16
+ #define XCHAL_DCACHE_LINESIZE		16
+ #define XCHAL_ICACHE_LINEWIDTH		4
+ #define XCHAL_DCACHE_LINEWIDTH		4
+ #define XCHAL_DCACHE_IS_WRITEBACK	0
+ 
+ #define XCHAL_HAVE_MMU			1
+ #define XCHAL_MMU_MIN_PTE_PAGE_SIZE	12
+ 
+ #define XCHAL_HAVE_DEBUG		1
+ #define XCHAL_NUM_IBREAK		2
+ #define XCHAL_NUM_DBREAK		2
+ #define XCHAL_DEBUGLEVEL		4
+ 
+ #define XCHAL_EXTRA_SA_SIZE             0
+ #define XCHAL_EXTRA_SA_ALIGN            1
+ 
+ #endif /* !XTENSA_CONFIG_H */

Index: config/xtensa/lib1funcs.asm
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/xtensa/lib1funcs.asm,v
retrieving revision 1.3
diff -c -3 -r1.3 lib1funcs.asm
*** config/xtensa/lib1funcs.asm	20 May 2003 23:39:09 -0000	1.3
--- config/xtensa/lib1funcs.asm	1 Jul 2003 00:08:54 -0000
***************
*** 28,34 ****
  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.  */
  
! #include "xtensa/xtensa-config.h"
  
  	# Define macros for the ABS and ADDX* instructions to handle cases
  	# where they are not included in the Xtensa processor configuration.
--- 28,34 ----
  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.  */
  
! #include "xtensa-config.h"
  
  	# Define macros for the ABS and ADDX* instructions to handle cases
  	# where they are not included in the Xtensa processor configuration.
Index: config/xtensa/lib2funcs.S
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/xtensa/lib2funcs.S,v
retrieving revision 1.5
diff -c -3 -r1.5 lib2funcs.S
*** config/xtensa/lib2funcs.S	14 May 2003 18:37:19 -0000	1.5
--- config/xtensa/lib2funcs.S	1 Jul 2003 00:08:54 -0000
***************
*** 28,34 ****
  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.  */
  
! #include "xtensa/xtensa-config.h"
  
  /* __xtensa_libgcc_window_spill: This function flushes out all but the
     current register window.  This is used to set up the stack so that
--- 28,34 ----
  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.  */
  
! #include "xtensa-config.h"
  
  /* __xtensa_libgcc_window_spill: This function flushes out all but the
     current register window.  This is used to set up the stack so that
cvs server: config/xtensa/xtensa-config.h was removed, no comparison available
Index: config/xtensa/xtensa.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/xtensa/xtensa.h,v
retrieving revision 1.37
diff -c -3 -r1.37 xtensa.h
*** config/xtensa/xtensa.h	14 Jun 2003 21:47:45 -0000	1.37
--- config/xtensa/xtensa.h	1 Jul 2003 00:08:54 -0000
***************
*** 20,26 ****
  02111-1307, USA.  */
  
  /* Get Xtensa configuration settings */
! #include "xtensa/xtensa-config.h"
  
  /* Standard GCC variables that we reference.  */
  extern int current_function_calls_alloca;
--- 20,26 ----
  02111-1307, USA.  */
  
  /* Get Xtensa configuration settings */
! #include "xtensa-config.h"
  
  /* Standard GCC variables that we reference.  */
  extern int current_function_calls_alloca;
Index: doc/install.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/install.texi,v
retrieving revision 1.207
diff -c -3 -r1.207 install.texi
*** doc/install.texi	29 Jun 2003 23:10:28 -0000	1.207
--- doc/install.texi	1 Jul 2003 00:08:56 -0000
***************
*** 3324,3330 ****
  through inline assembly.
  
  The Xtensa configuration information must be specified prior to
! building GCC@.  The @file{gcc/config/xtensa/xtensa-config.h} header
  file contains the configuration information.  If you created your
  own Xtensa configuration with the Xtensa Processor Generator, the
  downloaded files include a customized copy of this header file,
--- 3324,3330 ----
  through inline assembly.
  
  The Xtensa configuration information must be specified prior to
! building GCC@.  The @file{include/xtensa-config.h} header
  file contains the configuration information.  If you created your
  own Xtensa configuration with the Xtensa Processor Generator, the
  downloaded files include a customized copy of this header file,
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