Commit moxie port.

From-SVN: r148339

MAINTAINERS

@@ -74,6 +74,7 @@ mips port		Richard Sandiford	rdsandiford@googlemail.com
 mmix port		Hans-Peter Nilsson	hp@bitrange.com
 mn10300 port		Jeff Law		law@redhat.com
 mn10300 port		Alexandre Oliva		aoliva@redhat.com
+moxie port		Anthony Green		green@moxielogic.com
 pdp11 port		Paul Koning		ni1d@arrl.net
 picochip port		Hariharan Sandanagobalane	hariharan@picochip.com
 picochip port		Daniel Towner		dant@picochip.com

gcc/ChangeLog

+2009-06-10  Anthony Green  <green@moxielogic.com>
+
+	* config/moxie/crti.asm: New file.
+	* config/moxie/crtn.asm: New file.
+	* config/moxie/moxie.c: New file.
+	* config/moxie/moxie.h: New file.
+	* config/moxie/sfp-machine.h: New file.
+	* config/moxie/moxie-protos.h: New file.
+	* config/moxie/t-moxie: Created.
+	* config/moxie/t-moxie-softfp: Created.
+	* config/moxie/moxie.md: Created.
+	* config/moxie/constraints.md: Created.
+	* config.gcc: Add moxie support.
+	* doc/md.texi (Machine Constraints): Add moxie constraints.
+	* doc/contrib.texi (Contributors): Mention moxie port.
+	* doc/install.texi (Specific): Mention the moxie port.
+
 2009-06-09  Ian Lance Taylor  <iant@google.com>
 
 	* system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if

gcc/config.gcc

@@ -274,6 +274,8 @@ crisv32-*)
 	;;
 frv*)	cpu_type=frv
 	;;
+moxie*)	cpu_type=moxie
+	;;
 fido-*-*)
 	cpu_type=m68k
 	extra_headers=math-68881.h
@@ -881,6 +883,13 @@ frv-*-*linux*)
 	         linux.h glibc-stdint.h frv/linux.h frv/frv-abi.h"
 	tmake_file="${tmake_file} frv/t-frv frv/t-linux"
 	;;
+moxie-*-elf)
+	gas=yes
+	gnu_ld=yes
+	tm_file="dbxelf.h elfos.h svr4.h ${tm_file}"
+	extra_parts="crti.o crtn.o crtbegin.o crtend.o"
+	tmake_file="${tmake_file} moxie/t-moxie moxie/t-moxie-softfp soft-fp/t-softfp"
+	;;
 h8300-*-rtems*)
 	tmake_file="h8300/t-h8300 h8300/t-elf t-rtems h8300/t-rtems"
 	tm_file="h8300/h8300.h dbxelf.h elfos.h h8300/elf.h h8300/rtems.h rtems.h newlib-stdint.h"

gcc/config/moxie/constraints.md

+;; Constraint definitions for Moxie
+;; Copyright (C) 2009 Free Software Foundation, Inc.
+;; Contributed by Anthony Green <green@moxielogic.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.
+
+;; 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/>.
+
+;; -------------------------------------------------------------------------
+;; Constraints
+;; -------------------------------------------------------------------------
+
+(define_constraint "A"
+  "An absolute address."
+  (and (match_code "mem")
+       (ior (match_test "GET_CODE (XEXP (op, 0)) == SYMBOL_REF")
+	    (match_test "GET_CODE (XEXP (op, 0)) == LABEL_REF")
+	    (match_test "GET_CODE (XEXP (op, 0)) == CONST"))))
+
+(define_constraint "B"
+  "An offset address."
+  (and (match_code "mem")
+       (match_test "GET_CODE (XEXP (op, 0)) == PLUS")))
+
+(define_constraint "W"
+  "A register indirect memory operand."
+  (and (match_code "mem")
+       (match_test "REG_P (XEXP (op, 0))
+		    && REGNO_OK_FOR_BASE_P (REGNO (XEXP (op, 0)))")))
+
+(define_constraint "I"
+  "An 8-bit constant (0..255)"
+  (and (match_code "const_int")
+       (match_test "ival >= 0 && ival <= 255")))
+
+(define_constraint "N"
+  "A constant -(0..255)"
+  (and (match_code "const_int")
+       (match_test "ival >= -255 && ival <= 0")))
+

gcc/config/moxie/crti.asm

+# crti.asm for moxie
+#
+#   Copyright (C) 2009 Free Software Foundation
+# 
+# This file 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.
+# 
+# This file 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 and
+# a copy of the GCC Runtime Library Exception along with this program;
+# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# This file just make a stack frame for the contents of the .fini and
+# .init sections.  Users may put any desired instructions in those
+# sections.
+
+	.file		"crti.asm"
+
+	.section	".init"
+	.global	_init
+	.type	_init, @function	
+	.p2align	1
+_init:
+
+	.section	".fini"
+	.global	_fini
+	.type	_fini,@function
+	.p2align	1
+_fini:

gcc/config/moxie/crtn.asm

+# crtn.asm for moxie
+# 
+#   Copyright (C) 2009 Free Software Foundation
+# 
+# This file 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.
+# 
+# This file 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 and
+# a copy of the GCC Runtime Library Exception along with this program;
+# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# This file just makes sure that the .fini and .init sections do in
+# fact return.  Users may put any desired instructions in those sections.
+# This file is the last thing linked into any executable.
+
+	.file		"crtn.asm"
+
+	.section	".init"
+	ret
+	
+	.section	".fini"
+	ret

gcc/config/moxie/moxie-protos.h

+/* Prototypes for moxie.c functions used in the md file & elsewhere.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+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.
+
+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/>.  */
+
+extern void  moxie_expand_prologue (void);
+extern void  moxie_expand_epilogue (void);
+extern int   moxie_initial_elimination_offset (int, int);
+extern rtx   moxie_function_value (tree, tree, bool ATTRIBUTE_UNUSED);
+extern void  moxie_print_operand (FILE *, rtx, int);
+extern void  moxie_print_operand_address (FILE *, rtx);
+#ifdef RTX_CODE
+extern rtx   moxie_function_arg (CUMULATIVE_ARGS, enum machine_mode, tree, int);
+#endif /* RTX_CODE */

gcc/config/moxie/predicates.md

+;; Predicate definitions for Moxie
+;; Copyright (C) 2009 Free Software Foundation, Inc.
+;; Contributed by Anthony Green <green@moxielogic.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.
+
+;; 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/>.
+
+;; -------------------------------------------------------------------------
+;; Predicates
+;; -------------------------------------------------------------------------
+
+;; Nonzero if OP can be source of a simple move operation.
+
+(define_predicate "moxie_general_movsrc_operand"
+  (match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const")
+{
+  /* Any (MEM LABEL_REF) is OK.  That is a pc-relative load.  */
+  if (MEM_P (op) && GET_CODE (XEXP (op, 0)) == LABEL_REF)
+    return 1;
+
+  if (MEM_P (op)
+      && GET_CODE (XEXP (op, 0)) == PLUS
+      && GET_CODE (XEXP (XEXP (op, 0), 0)) == REG
+      && GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST)
+    return 1;
+
+  return general_operand (op, mode);
+})
+
+;; Nonzero if OP can be an operand to an add/inc/dec instruction.
+
+(define_predicate "moxie_add_operand"
+  (ior (match_code "reg")
+       (and (match_code "const_int")
+	    (match_test "IN_RANGE (INTVAL (op), -255, 255)"))))
+
+;; Nonzero if OP can be an operand to an sub/dec instruction.
+
+(define_predicate "moxie_sub_operand"
+  (ior (match_code "reg")
+       (and (match_code "const_int")
+	    (match_test "IN_RANGE (INTVAL (op), 0, 255)"))))
\ No newline at end of file

gcc/config/moxie/sfp-machine.h

+#define _FP_W_TYPE_SIZE		32
+#define _FP_W_TYPE		unsigned long
+#define _FP_WS_TYPE		signed long
+#define _FP_I_TYPE		long
+
+#define _FP_MUL_MEAT_S(R,X,Y)				\
+  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_D(R,X,Y)				\
+  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y)				\
+  _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_loop(S,R,X,Y)
+#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_2_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_4_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S		((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D		((_FP_QNANBIT_D << 1) - 1), -1
+#define _FP_NANFRAC_Q		((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
+#define _FP_NANSIGN_S		0
+#define _FP_NANSIGN_D		0
+#define _FP_NANSIGN_Q		0
+
+#define _FP_KEEPNANFRACP 1
+
+/* Someone please check this.  */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
+  do {								\
+    if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)		\
+	&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))	\
+      {								\
+	R##_s = Y##_s;						\
+	_FP_FRAC_COPY_##wc(R,Y);				\
+      }								\
+    else							\
+      {								\
+	R##_s = X##_s;						\
+	_FP_FRAC_COPY_##wc(R,X);				\
+      }								\
+    R##_c = FP_CLS_NAN;						\
+  } while (0)
+
+#define	__LITTLE_ENDIAN	1234
+#define	__BIG_ENDIAN	4321
+
+# define __BYTE_ORDER __BIG_ENDIAN
+
+/* Define ALIASNAME as a strong alias for NAME.  */
+# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
+# define _strong_alias(name, aliasname) \
+  extern __typeof (name) aliasname __attribute__ ((alias (#name)));
+

gcc/config/moxie/t-moxie

+# Target Makefile Fragment for moxie
+# Copyright (C) 2008  Free Software Foundation, Inc.
+# Contributed by Anthony Green.
+#
+# 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.
+#
+# 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/>.
+

gcc/config/moxie/t-moxie-softfp

+softfp_float_modes := sf df
+softfp_int_modes := si di
+softfp_extensions := sfdf
+softfp_truncations := dfsf
+softfp_machine_header := moxie/sfp-machine.h
+softfp_exclude_libgcc2 := y
+
+# softfp seems to be missing a whole bunch of prototypes.
+TARGET_LIBGCC2_CFLAGS += -Wno-missing-prototypes

gcc/doc/contrib.texi

@@ -316,7 +316,8 @@ support, improved leaf function register allocation, and his direction
 via the steering committee.
 
 @item
-Anthony Green for his @option{-Os} contributions and Java front end work.
+Anthony Green for his @option{-Os} contributions, the moxie port, and
+Java front end work.
 
 @item
 Stu Grossman for gdb hacking, allowing GCJ developers to debug Java code.

gcc/doc/install.texi

@@ -3762,6 +3762,13 @@ information about using GCC on IRIX platforms.
 @html
 <hr />
 @end html
+@heading @anchor{moxie-x-elf}moxie-*-elf
+The moxie processor.  See @uref{http://moxielogic.org/} for more
+information about this processor.
+
+@html
+<hr />
+@end html
 @heading @anchor{powerpc-x-x}powerpc-*-*
 
 You can specify a default version for the @option{-mcpu=@var{cpu_type}}

gcc/doc/md.texi

@@ -2730,6 +2730,25 @@ Constants in the range @minus{}8 to 2
 
 @end table
 
+@item Moxie---@file{config/moxie/constraints.md}
+@table @code
+@item A
+An absolute address
+
+@item B
+An offset address
+
+@item W
+A register indirect memory operand
+
+@item I
+A constant in the range of 0 to 255.
+
+@item N
+A constant in the range of 0 to -255.
+
+@end table
+
 @need 1000
 @item SPARC---@file{config/sparc/sparc.h}
 @table @code

gcc/testsuite/ChangeLog

+2009-06-10  Anthony Green  <green@moxielogic.com>
+
+	* testsuite/lib/target-supports.exp (check_profiling_available):
+	Profiling is not available for testing purposes on moxie.
+
 2009-06-09  Ian Lance Taylor  <iant@google.com>
 
 	* gcc.dg/Wcxx-compat-12.c: New testcase.

gcc/testsuite/lib/target-supports.exp

@@ -499,6 +499,7 @@ proc check_profiling_available { test_what } {
 	     || [istarget m68k-*-elf]
 	     || [istarget m68k-*-uclinux*]
 	     || [istarget mips*-*-elf*]
+	     || [istarget moxie-*-elf*]
 	     || [istarget xstormy16-*]
 	     || [istarget xtensa*-*-elf]
 	     || [istarget *-*-rtems*]

libgcc/ChangeLog

+2009-05-31  Anthony Green  <green@moxielogic.com>
+
+	* config.host: Add moxie support.
+	* config/moxie/t-moxie: New file.
+
 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
 
 	* config.host: Add i386/${host_address}/t-fprules-softfp and

libgcc/config.host

@@ -84,6 +84,8 @@ fido-*-*)
 	;;
 frv*)	cpu_type=frv
 	;;
+moxie*)	cpu_type=moxie
+	;;
 i[34567]86-*-*)
 	cpu_type=i386
 	;;
@@ -415,6 +417,10 @@ mmix-knuth-mmixware)
 	;;
 mn10300-*-*)
 	;;
+moxie-*-*)
+	tmake_file=${cpu_type}/t-moxie
+	extra_parts="crtbegin.o crtend.o crti.o crtn.o"
+	;;
 pdp11-*-*)
 	;;
 picochip-*-*)