gcc/

	* doc/invoke.texi (C6X Options): New section.
	* doc/md.texi (TI C6X family): New section.
	* config.gcc: Handle tic6x, in particular tic6x-*-elf and
	tic6x-*-uclinux.
	* longlong.h (add_ssaaaa, __umulsidi3, umul_ppmm,
	count_leading_zeros, count_trailing_zeros, UMUL_TIME, UDIV_TIME):
	Provide C6X definitions.
	* config/c6x/c6x.md: New file.
	* config/c6x/constraints.md: New file.
	* config/c6x/predicates.md: New file.
	* config/c6x/c6x-sched.md.in: New file.
	* config/c6x/c6x-sched.md: New file.
	* config/c6x/gensched.sh: New file.
	* config/c6x/c6x-mult.md.in: New file.
	* config/c6x/genmult.sh: New file.
	* config/c6x/c6x-mult.md: New file.
	* config/c6x/sync.md: New file.
	* config/c6x/c6x-protos.h: New file.
	* config/c6x/sfp-machine.h: New file.
	* config/c6x/c6x.c: New file.
	* config/c6x/c6x.h: New file.
	* config/c6x/crti.s: New file.
	* config/c6x/crtn.s: New file.
	* config/c6x/lib1funcs.asm: New file.
	* config/c6x/c6x-modes.def: New file.
	* config/c6x/genopt.sh: New file.
	* config/c6x/c6x.opt: New file.
	* config/c6x/c6x-tables.opt: New file.
	* config/c6x/c6x-opts.h: New file.
	* config/c6x/c6x-isas.def: New file.
	* config/c6x/elf.h: New file.
	* config/c6x/elf-common.h: New file.
	* config/c6x/uclinux-elf.h: New file.
	* config/c6x/t-c6x: New file.
	* config/c6x/t-c6x-elf: New file.
	* config/c6x/t-c6x-uclinux: New file.
	* config/c6x/t-c6x-softfp: New file.
	* config/c6x/gtd.c: New file.
	* config/c6x/gtf.c: New file.
	* config/c6x/ltd.c: New file.
	* config/c6x/ltf.c: New file.
	* config/c6x/ged.c: New file.
	* config/c6x/gef.c: New file.
	* config/c6x/led.c: New file.
	* config/c6x/lef.c: New file.
	* config/c6x/eqd.c: New file.
	* config/c6x/eqf.c: New file.
	* config/c6x/libgcc-c6xeabi.ver: New file.

contrib/
	* gcc_update: Add C6X generated files.
	* contrib/config-list.mk: Add c6x-elf and c6x-uclinux.

libgcc/
	* config.host: Handle tic6x-*-*.
	* config/c6x/c6x-abi.h: New file.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@176308 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 120 insertions, 0 deletions

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 49fed6ef5c1..885724a4d84 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-15  Bernd Schmidt  <bernds@codesourcery.com>
+
+	* config.host: Handle tic6x-*-*.
+	* config/c6x/c6x-abi.h: New file.
+
 2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* config/i386/crtprec.c: New file.
diff --git a/libgcc/config.host b/libgcc/config.host
index 63c4dcc34ab..293d462b89f 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -146,6 +146,9 @@ sh[123456789lbe]*-*-*)
 v850*-*-*)
 	cpu_type=v850
 	;;
+tic6x-*-*)
+	cpu_type=c6x
+	;;
 esac
 
 # Common parts for widely ported systems.
@@ -662,6 +665,9 @@ sparc64-*-netbsd*)
 	;;
 spu-*-elf*)
 	;;
+tic6x-*-*)
+	tmake_file="${tmake_file} t-gnu-prefix"
+	;;
 v850*-*-*)
 	;;
 vax-*-linux*)
diff --git a/libgcc/config/c6x/c6x-abi.h b/libgcc/config/c6x/c6x-abi.h
new file mode 100644
index 00000000000..e4de0704595
--- /dev/null
+++ b/libgcc/config/c6x/c6x-abi.h
@@ -0,0 +1,109 @@
+/* Header file for C6X ABI versions of libgcc functions.
+   Copyright (C) 2011
+   Free Software Foundation, Inc.
+   Contributed by Bernd Schmidt <bernds@codesourcery.com>
+
+   This file is part of GCC.
+
+   GCC 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 3, or (at your
+   option) any later version.
+
+   GCC 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.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Make __c6xabi_AEABI_NAME an alias for __GCC_NAME.  */
+#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME)			\
+  __asm__ (".globl\t__c6xabi_" #AEABI_NAME "\n"		\
+	   ".set\t__c6xabi_" #AEABI_NAME			\
+	   ", __gnu_" #GCC_NAME "\n");
+
+/* Rename helper functions to the names specified in the C6000 ELF ABI.  */
+#ifdef L_divsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (divsi3, divi)
+#endif
+#ifdef L_divdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (divdi3, divlli)
+#endif
+#ifdef L_udivsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (udivsi3, divu)
+#endif
+#ifdef L_udivdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (udivdi3, divull)
+#endif
+#ifdef L_udivmoddi4
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (udivmoddi4, divremull)
+#endif
+#ifdef L_modsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (modsi3, remi)
+#endif
+#ifdef L_moddi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (moddi3, remlli)
+#endif
+#ifdef L_umodsi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (umodsi3, remu)
+#endif
+#ifdef L_umoddi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (umoddi3, remull)
+#endif
+#ifdef L_negdi2
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (negdi2, negll)
+#endif
+#ifdef L_muldi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, mpyll)
+#endif
+#ifdef L_ashrdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (ashrdi3, llshr)
+#endif
+#ifdef L_lshrdi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (lshrdi3, llshru)
+#endif
+#ifdef L_ashldi3
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (ashldi3, llshl)
+#endif
+
+/* The following are excluded from softfp due to softfp_exclude_libgcc2,
+   so we rename them here rather than in sfp-machine.h.  */
+#ifdef L_fixdfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, fixdlli)
+#endif
+#ifdef L_fixunsdfsi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, fixdu)
+#endif
+#ifdef L_fixunsdfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, fixdull)
+#endif
+#ifdef L_fixsfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, fixflli)
+#endif
+#ifdef L_fixunssfsi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, fixfu)
+#endif
+#ifdef L_fixunssfdi
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, fixfull)
+#endif
+#ifdef L_floatdidf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, fltllid)
+#endif
+#ifdef L_floatundidf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, fltulld)
+#endif
+#ifdef L_floatdisf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, fltllif)
+#endif
+#ifdef L_floatundisf
+#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, fltullf)
+#endif
+
+#define LIBGCC2_GNU_PREFIX