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Commit moxie port.

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From-SVN: r148339
This commit is contained in:
Anthony Green 2009-06-10 05:23:39 +00:00 committed by Anthony Green
parent fd9380a6cd
commit cceb575c43
21 changed files with 1837 additions and 1 deletions
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1
MAINTAINERS
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@ -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

17
gcc/ChangeLog
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@ -1,3 +1,20 @@
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

9
gcc/config.gcc
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@ -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"

52
gcc/config/moxie/constraints.md Normal file
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@ -0,0 +1,52 @@
;; 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")))

40
gcc/config/moxie/crti.asm Normal file
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@ -0,0 +1,40 @@
# 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:

34
gcc/config/moxie/crtn.asm Normal file
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@ -0,0 +1,34 @@
# 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

28
gcc/config/moxie/moxie-protos.h Normal file
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@ -0,0 +1,28 @@
/* 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 */

480
gcc/config/moxie/moxie.c Normal file
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@ -0,0 +1,480 @@
/* Target Code for moxie
Copyright (C) 2008, 2009 Free Software Foundation
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/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "rtl.h"
#include "regs.h"
#include "hard-reg-set.h"
#include "real.h"
#include "insn-config.h"
#include "conditions.h"
#include "insn-flags.h"
#include "output.h"
#include "insn-attr.h"
#include "flags.h"
#include "recog.h"
#include "reload.h"
#include "toplev.h"
#include "obstack.h"
#include "tree.h"
#include "expr.h"
#include "optabs.h"
#include "except.h"
#include "function.h"
#include "ggc.h"
#include "target.h"
#include "target-def.h"
#include "tm_p.h"
#include "langhooks.h"
#include "df.h"
#define LOSE_AND_RETURN(msgid, x) \
do \
{ \
moxie_operand_lossage (msgid, x); \
return; \
} while (0)
/* Worker function for TARGET_RETURN_IN_MEMORY. */
static bool
moxie_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED)
{
const HOST_WIDE_INT size = int_size_in_bytes (type);
return (size == -1 || size > 2 * UNITS_PER_WORD);
}
/* Define how to find the value returned by a function.
VALTYPE is the data type of the value (as a tree).
If the precise function being called is known, FUNC is its
FUNCTION_DECL; otherwise, FUNC is 0.
We always return values in register $r0 for moxie. */
rtx
moxie_function_value (tree valtype,
tree fntype_or_decl ATTRIBUTE_UNUSED,
bool outgoing ATTRIBUTE_UNUSED)
{
return gen_rtx_REG (TYPE_MODE (valtype), MOXIE_R0);
}
/* Emit an error message when we're in an asm, and a fatal error for
"normal" insns. Formatted output isn't easily implemented, since we
use output_operand_lossage to output the actual message and handle the
categorization of the error. */
static void
moxie_operand_lossage (const char *msgid, rtx op)
{
debug_rtx (op);
output_operand_lossage ("%s", msgid);
}
/* The PRINT_OPERAND_ADDRESS worker. */
void
moxie_print_operand_address (FILE *file, rtx x)
{
switch (GET_CODE (x))
{
case REG:
fprintf (file, "(%s)", reg_names[REGNO (x)]);
break;
case PLUS:
switch (GET_CODE (XEXP (x, 1)))
{
case CONST_INT:
fprintf (file, "%ld(%s)",
INTVAL(XEXP (x, 1)), reg_names[REGNO (XEXP (x, 0))]);
break;
case SYMBOL_REF:
output_addr_const (file, XEXP (x, 1));
fprintf (file, "(%s)", reg_names[REGNO (XEXP (x, 0))]);
break;
case CONST:
{
rtx plus = XEXP (XEXP (x, 1), 0);
if (GET_CODE (XEXP (plus, 0)) == SYMBOL_REF
&& CONST_INT_P (XEXP (plus, 1)))
{
output_addr_const(file, XEXP (plus, 0));
fprintf (file,"+%ld(%s)", INTVAL (XEXP (plus, 1)),
reg_names[REGNO (XEXP (x, 0))]);
}
else
abort();
}
break;
default:
abort();
}
break;
default:
output_addr_const (file, x);
break;
}
}
/* The PRINT_OPERAND worker. */
void
moxie_print_operand (FILE *file, rtx x, int code)
{
rtx operand = x;
/* New code entries should just be added to the switch below. If
handling is finished, just return. If handling was just a
modification of the operand, the modified operand should be put in
"operand", and then do a break to let default handling
(zero-modifier) output the operand. */
switch (code)
{
case 0:
/* No code, print as usual. */
break;
default:
LOSE_AND_RETURN ("invalid operand modifier letter", x);
}
/* Print an operand as without a modifier letter. */
switch (GET_CODE (operand))
{
case REG:
if (REGNO (operand) > MOXIE_R13)
internal_error ("internal error: bad register: %d", REGNO (operand));
fprintf (file, "%s", reg_names[REGNO (operand)]);
return;
case MEM:
output_address (XEXP (operand, 0));
return;
default:
/* No need to handle all strange variants, let output_addr_const
do it for us. */
if (CONSTANT_P (operand))
{
output_addr_const (file, operand);
return;
}
LOSE_AND_RETURN ("unexpected operand", x);
}
}
/* Per-function machine data. */
struct GTY(()) machine_function
{
/* Number of bytes saved on the stack for callee saved registers. */
int callee_saved_reg_size;
/* Number of bytes saved on the stack for local variables. */
int local_vars_size;
/* The sum of 2 sizes: locals vars and padding byte for saving the
* registers. Used in expand_prologue () and expand_epilogue(). */
int size_for_adjusting_sp;
};
/* Zero initialization is OK for all current fields. */
static struct machine_function *
moxie_init_machine_status (void)
{
return GGC_CNEW (struct machine_function);
}
/* The OVERRIDE_OPTIONS worker.
All this curently does is set init_machine_status. */
void
moxie_override_options (void)
{
/* Set the per-function-data initializer. */
init_machine_status = moxie_init_machine_status;
}
/* Compute the size of the local area and the size to be adjusted by the
* prologue and epilogue. */
static void
moxie_compute_frame (void)
{
/* For aligning the local variables. */
int stack_alignment = STACK_BOUNDARY / BITS_PER_UNIT;
int padding_locals;
int regno;
/* Padding needed for each element of the frame. */
cfun->machine->local_vars_size = get_frame_size ();
/* Align to the stack alignment. */
padding_locals = cfun->machine->local_vars_size % stack_alignment;
if (padding_locals)
padding_locals = stack_alignment - padding_locals;
cfun->machine->local_vars_size += padding_locals;
cfun->machine->callee_saved_reg_size = 0;
/* Save callee-saved registers. */
for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
if (df_regs_ever_live_p (regno) && (! call_used_regs[regno]))
cfun->machine->callee_saved_reg_size += 4;
cfun->machine->size_for_adjusting_sp =
crtl->args.pretend_args_size
+ cfun->machine->local_vars_size
+ (ACCUMULATE_OUTGOING_ARGS ? crtl->outgoing_args_size : 0);
}
void
moxie_expand_prologue (void)
{
int regno;
rtx insn;
moxie_compute_frame ();
/* Save callee-saved registers. */
for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
{
if (!fixed_regs[regno] && df_regs_ever_live_p (regno) && !call_used_regs[regno])
{
insn = emit_insn (gen_movsi_push (gen_rtx_REG (Pmode, regno)));
RTX_FRAME_RELATED_P (insn) = 1;
}
}
if (cfun->machine->size_for_adjusting_sp > 0)
{
insn =
emit_insn (gen_movsi (gen_rtx_REG (Pmode, MOXIE_R12),
GEN_INT (-cfun->machine->size_for_adjusting_sp)));
RTX_FRAME_RELATED_P (insn) = 1;
insn = emit_insn (gen_addsi3 (stack_pointer_rtx,
stack_pointer_rtx,
gen_rtx_REG (Pmode, MOXIE_R12)));
RTX_FRAME_RELATED_P (insn) = 1;
}
}
void
moxie_expand_epilogue (void)
{
int regno;
rtx insn, reg, cfa_restores = NULL;
if (cfun->machine->callee_saved_reg_size != 0)
{
reg = gen_rtx_REG (Pmode, MOXIE_R12);
emit_move_insn (reg,
GEN_INT (-cfun->machine->callee_saved_reg_size));
emit_insn (gen_addsi3 (reg, reg, hard_frame_pointer_rtx));
insn = emit_move_insn (stack_pointer_rtx, reg);
RTX_FRAME_RELATED_P (insn) = 1;
add_reg_note (insn, REG_CFA_DEF_CFA,
plus_constant (stack_pointer_rtx,
cfun->machine->callee_saved_reg_size));
for (regno = FIRST_PSEUDO_REGISTER; regno-- > 0; )
if (!fixed_regs[regno] && !call_used_regs[regno]
&& df_regs_ever_live_p (regno))
{
reg = gen_rtx_REG (Pmode, regno);
insn = emit_insn (gen_movsi_pop (reg));
RTX_FRAME_RELATED_P (insn) = 1;
add_reg_note (insn, REG_CFA_ADJUST_CFA,
gen_rtx_SET (VOIDmode, stack_pointer_rtx,
plus_constant (stack_pointer_rtx,
UNITS_PER_WORD)));
add_reg_note (insn, REG_CFA_RESTORE, reg);
}
}
emit_jump_insn (gen_returner ());
}
/* Implements the macro INITIAL_ELIMINATION_OFFSET, return the OFFSET. */
int
moxie_initial_elimination_offset (int from, int to)
{
int ret;
if ((from) == FRAME_POINTER_REGNUM && (to) == HARD_FRAME_POINTER_REGNUM)
{
/* Compute this since we need to use cfun->machine->local_vars_size. */
moxie_compute_frame ();
ret = -cfun->machine->callee_saved_reg_size;
}
else if ((from) == ARG_POINTER_REGNUM && (to) == HARD_FRAME_POINTER_REGNUM)
ret = 0x00;
else
abort ();
return ret;
}
/* Worker function for TARGET_SETUP_INCOMING_VARARGS. */
static void
moxie_setup_incoming_varargs (CUMULATIVE_ARGS *cum,
enum machine_mode mode ATTRIBUTE_UNUSED,
tree type ATTRIBUTE_UNUSED,
int *pretend_size, int no_rtl)
{
int regno;
int regs = 4 - *cum;
*pretend_size = regs < 0 ? 0 : GET_MODE_SIZE (SImode) * regs;
if (no_rtl)
return;
for (regno = *cum; regno < 4; regno++)
{
rtx reg = gen_rtx_REG (SImode, regno);
rtx slot = gen_rtx_PLUS (Pmode,
gen_rtx_REG (SImode, ARG_POINTER_REGNUM),
GEN_INT (UNITS_PER_WORD * (3 + (regno-2))));
emit_move_insn (gen_rtx_MEM (SImode, slot), reg);
}
}
/* Return the fixed registers used for condition codes. */
static bool
moxie_fixed_condition_code_regs (unsigned int *p1, unsigned int *p2)
{
*p1 = CC_REG;
*p2 = INVALID_REGNUM;
return true;
}
/* Return the next register to be used to hold a function argument or
NULL_RTX if there's no more space. */
rtx
moxie_function_arg (CUMULATIVE_ARGS cum, enum machine_mode mode,
tree type ATTRIBUTE_UNUSED, int named ATTRIBUTE_UNUSED)
{
if (cum < 4)
return gen_rtx_REG (mode, cum);
else
return NULL_RTX;
}
/* Return non-zero if the function argument described by TYPE is to be
passed by reference. */
static bool
moxie_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
enum machine_mode mode, const_tree type,
bool named ATTRIBUTE_UNUSED)
{
unsigned HOST_WIDE_INT size;
if (type)
{
if (AGGREGATE_TYPE_P (type))
return true;
size = int_size_in_bytes (type);
}
else
size = GET_MODE_SIZE (mode);
return size > 8;
}
/* Some function arguments will only partially fit in the registers
that hold arguments. Given a new arg, return the number of bytes
that fit in argument passing registers. */
static int
moxie_arg_partial_bytes (CUMULATIVE_ARGS *cum,
enum machine_mode mode,
tree type, bool named)
{
int bytes_left, size;
if (*cum >= 4)
return 0;
if (moxie_pass_by_reference (cum, mode, type, named))
size = 4;
else if (type)
{
if (AGGREGATE_TYPE_P (type))
return 0;
size = int_size_in_bytes (type);
}
else
size = GET_MODE_SIZE (mode);
bytes_left = 8 - ((*cum - 2) * 4);
if (size > bytes_left)
return bytes_left;
else
return 0;
}
/* The Global `targetm' Variable. */
/* Initialize the GCC target structure. */
#undef TARGET_PROMOTE_PROTOTYPES
#define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_true
#undef TARGET_RETURN_IN_MEMORY
#define TARGET_RETURN_IN_MEMORY moxie_return_in_memory
#undef TARGET_MUST_PASS_IN_STACK
#define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size
#undef TARGET_PASS_BY_REFERENCE
#define TARGET_PASS_BY_REFERENCE moxie_pass_by_reference
#undef TARGET_ARG_PARTIAL_BYTES
#define TARGET_ARG_PARTIAL_BYTES moxie_arg_partial_bytes
#undef TARGET_SETUP_INCOMING_VARARGS
#define TARGET_SETUP_INCOMING_VARARGS moxie_setup_incoming_varargs
#undef TARGET_FIXED_CONDITION_CODE_REGS
#define TARGET_FIXED_CONDITION_CODE_REGS moxie_fixed_condition_code_regs
/* Define this to return an RTX representing the place where a
function returns or receives a value of data type RET_TYPE, a tree
node node representing a data type. */
#undef TARGET_FUNCTION_VALUE
#define TARGET_FUNCTION_VALUE moxie_function_value
struct gcc_target targetm = TARGET_INITIALIZER;
#include "gt-moxie.h"

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gcc/config/moxie/moxie.h Normal file
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/* Target Definitions for moxie.
Copyright (C) 2008, 2009 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/>. */
#ifndef GCC_MOXIE_H
#define GCC_MOXIE_H
/* This is defined by svr4.h, which is included prior to this file.
However, we should undefine it for moxie-elf, since we don't provide
functions like access() and mkdir() in newlib. This will have to
be defined again for a Linux port. */
#undef TARGET_POSIX_IO
/* Another C string constant used much like `LINK_SPEC'. The difference
between the two is that `STARTFILE_SPEC' is used at the very beginning of
the command given to the linker.
If this macro is not defined, a default is provided that loads the standard
C startup file from the usual place. See `gcc.c'.
Defined in svr4.h. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "crt0%O%s crti.o%s crtbegin.o%s"
/* Provide an ENDFILE_SPEC appropriate for svr4. Here we tack on our own
magical crtend.o file (see crtstuff.c) which provides part of the
support for getting C++ file-scope static object constructed before
entering `main', followed by the normal svr3/svr4 "finalizer" file,
which is either `gcrtn.o' or `crtn.o'. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
/* Provide a LIB_SPEC appropriate for svr4. Here we tack on the default
standard C library (unless we are building a shared library) and
the simulator BSP code. */
#undef LIB_SPEC
#define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
/* Layout of Source Language Data Types */
#define INT_TYPE_SIZE 32
#define SHORT_TYPE_SIZE 16
#define LONG_TYPE_SIZE 32
#define LONG_LONG_TYPE_SIZE 64
#define FLOAT_TYPE_SIZE 32
#define DOUBLE_TYPE_SIZE 64
#define LONG_DOUBLE_TYPE_SIZE 64
#define DEFAULT_SIGNED_CHAR 1
/* Registers...
$fp - frame pointer
$sp - stack pointer
$r0 - general purpose 32-bit register.
$r1 - general purpose 32-bit register.
$r2 - general purpose 32-bit register.
$r3 - general purpose 32-bit register.
$r4 - general purpose 32-bit register.
$r5 - general purpose 32-bit register.
$r6 - general purpose 32-bit register.
$r7 - general purpose 32-bit register.
$r8 - general purpose 32-bit register.
$r9 - general purpose 32-bit register.
$r10 - general purpose 32-bit register.
$r11 - general purpose 32-bit register.
$r12 - general purpose 32-bit register.
$r13 - reserved for execution environment.
Special Registers...
$pc - 32-bit program counter.
*/
#define REGISTER_NAMES { \
"$fp", "$sp", "$r0", "$r1", \
"$r2", "$r3", "$r4", "$r5", \
"$r6", "$r7", "$r8", "$r9", \
"$r10", "$r11", "$r12", "$r13", \
"?fp", "?ap", "$pc", "?cc" }
#define MOXIE_FP 0
#define MOXIE_SP 1
#define MOXIE_R0 2
#define MOXIE_R1 3
#define MOXIE_R2 4
#define MOXIE_R3 5
#define MOXIE_R4 6
#define MOXIE_R5 7
#define MOXIE_R6 8
#define MOXIE_R7 9
#define MOXIE_R8 10
#define MOXIE_R9 11
#define MOXIE_R10 12
#define MOXIE_R11 13
#define MOXIE_R12 14
#define MOXIE_R13 15
#define MOXIE_QFP 16
#define MOXIE_QAP 17
#define MOXIE_PC 18
#define MOXIE_CC 19
#define FIRST_PSEUDO_REGISTER 20
enum reg_class
{
NO_REGS,
GENERAL_REGS,
SPECIAL_REGS,
CC_REG,
ALL_REGS,
LIM_REG_CLASSES
};
/* The following macro defines cover classes for Integrated Register
Allocator. Cover classes is a set of non-intersected register
classes covering all hard registers used for register allocation
purpose. Any move between two registers of a cover class should be
cheaper than load or store of the registers. The macro value is
array of register classes with LIM_REG_CLASSES used as the end
marker. */
#define IRA_COVER_CLASSES { GENERAL_REGS, LIM_REG_CLASSES }
#define REG_CLASS_CONTENTS \
{ { 0x00000000 }, /* Empty */ \
{ 0x0003FFFF }, /* $fp, $sp, $r0 to $r5, ?fp */ \
{ 0x00040000 }, /* $pc */ \
{ 0x00080000 }, /* ?cc */ \
{ 0x000FFFFF } /* All registers */ \
}
#define N_REG_CLASSES LIM_REG_CLASSES
#define REG_CLASS_NAMES {\
"NO_REGS", \
"GENERAL_REGS", \
"SPECIAL_REGS", \
"CC_REG", \
"ALL_REGS" }
#define FIXED_REGISTERS { 1, 1, 0, 0, \
0, 0, 0, 0, \
0, 0, 0, 0, \
0, 0, 0, 1, \
1, 1, 1, 1 }
#define CALL_USED_REGISTERS { 1, 1, 1, 1, \
0, 0, 0, 0, \
0, 0, 0, 0, \
0, 0, 1, 1, \
1, 1, 1, 1 }
/* We can't copy to or from our CC register. */
#define AVOID_CCMODE_COPIES 1
/* A C expression that is nonzero if it is permissible to store a
value of mode MODE in hard register number REGNO (or in several
registers starting with that one). All gstore registers are
equivalent, so we can set this to 1. */
#define HARD_REGNO_MODE_OK(R,M) 1
/* A C expression whose value is a register class containing hard
register REGNO. */
#define REGNO_REG_CLASS(R) ((R < MOXIE_PC) ? GENERAL_REGS : \
(R == MOXIE_CC ? CC_REG : SPECIAL_REGS))
/* A C expression for the number of consecutive hard registers,
starting at register number REGNO, required to hold a value of mode
MODE. */
#define HARD_REGNO_NREGS(REGNO, MODE) \
((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) \
/ UNITS_PER_WORD)
/* A C expression that is nonzero if a value of mode MODE1 is
accessible in mode MODE2 without copying. */
#define MODES_TIEABLE_P(MODE1, MODE2) 1
/* A C expression for the maximum number of consecutive registers of
class CLASS needed to hold a value of mode MODE. */
#define CLASS_MAX_NREGS(CLASS, MODE) \
((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
/* A C expression that places additional restrictions on the register
class to use when it is necessary to copy value X into a register
in class CLASS. */
#define PREFERRED_RELOAD_CLASS(X,CLASS) CLASS
/* The Overall Framework of an Assembler File */
#undef ASM_SPEC
#define ASM_COMMENT_START "#"
#define ASM_APP_ON ""
#define ASM_APP_OFF ""
#define FILE_ASM_OP "\t.file\n"
/* Switch to the text or data segment. */
#define TEXT_SECTION_ASM_OP "\t.text"
#define DATA_SECTION_ASM_OP "\t.data"
/* Assembler Commands for Alignment */
#define ASM_OUTPUT_ALIGN(STREAM,POWER) \
fprintf (STREAM, "\t.p2align\t%d\n", POWER);
/* A C compound statement to output to stdio stream STREAM the
assembler syntax for an instruction operand X. */
#define PRINT_OPERAND(STREAM, X, CODE) moxie_print_operand (STREAM, X, CODE)
#define PRINT_OPERAND_ADDRESS(STREAM ,X) moxie_print_operand_address (STREAM, X)
/* Output and Generation of Labels */
#define GLOBAL_ASM_OP "\t.global\t"
/* Passing Arguments in Registers */
/* A C expression that controls whether a function argument is passed
in a register, and which register. */
#define FUNCTION_ARG(CUM,MODE,TYPE,NAMED) \
moxie_function_arg(CUM,MODE,TYPE,NAMED)
/* A C type for declaring a variable that is used as the first
argument of `FUNCTION_ARG' and other related values. */
#define CUMULATIVE_ARGS unsigned int
/* If defined, the maximum amount of space required for outgoing arguments
will be computed and placed into the variable
`current_function_outgoing_args_size'. No space will be pushed
onto the stack for each call; instead, the function prologue should
increase the stack frame size by this amount. */
#define ACCUMULATE_OUTGOING_ARGS 1
/* A C statement (sans semicolon) for initializing the variable CUM
for the state at the beginning of the argument list.
For moxie, the first arg is passed in register 2 (aka $r0). */
#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,FNDECL,N_NAMED_ARGS) \
(CUM = MOXIE_R0)
#define MOXIE_FUNCTION_ARG_SIZE(MODE, TYPE) \
((MODE) != BLKmode ? GET_MODE_SIZE (MODE) \
: (unsigned) int_size_in_bytes (TYPE))
#define FUNCTION_ARG_ADVANCE(CUM,MODE,TYPE,NAMED) \
(CUM = (CUM < MOXIE_R2 ? \
CUM + ((3 + MOXIE_FUNCTION_ARG_SIZE(MODE,TYPE))/4) : CUM ))
/* How Scalar Function Values Are Returned */
/* These macros are deprecated, but we still need them for now since
the version of gcc we're using doesn't fully support
TARGET_FUNCTION_VALUE. */
#define FUNCTION_VALUE(VALTYPE, FUNC) \
moxie_function_value (VALTYPE, FUNC, 0)
#define FUNCTION_OUTGOING_VALUE(VALTYPE, FUNC) \
moxie_function_value (VALTYPE, FUNC, 1)
/* A C expression to create an RTX representing the place where a
library function returns a value of mode MODE. */
#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, 2)
/* STACK AND CALLING */
/* Define this macro if pushing a word onto the stack moves the stack
pointer to a smaller address. */
#define STACK_GROWS_DOWNWARD
#define INITIAL_FRAME_POINTER_OFFSET(DEPTH) (DEPTH) = 0
/* Offset from the frame pointer to the first local variable slot to
be allocated. */
#define STARTING_FRAME_OFFSET 0
/* Define this if the above stack space is to be considered part of the
space allocated by the caller. */
#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1
#define STACK_PARMS_IN_REG_PARM_AREA
/* Define this if it is the responsibility of the caller to allocate
the area reserved for arguments passed in registers. */
#define REG_PARM_STACK_SPACE(FNDECL) (2 * UNITS_PER_WORD)
/* Offset from the argument pointer register to the first argument's
address. On some machines it may depend on the data type of the
function. */
#define FIRST_PARM_OFFSET(F) 12
/* Define this macro to nonzero value if the addresses of local variable slots
are at negative offsets from the frame pointer. */
#define FRAME_GROWS_DOWNWARD 1
/* Define this macro as a C expression that is nonzero for registers that are
used by the epilogue or the return pattern. The stack and frame
pointer registers are already assumed to be used as needed. */
#define EPILOGUE_USES(R) (R == MOXIE_R5)
#define OVERRIDE_OPTIONS moxie_override_options ()
/* Storage Layout */
#define BITS_BIG_ENDIAN 0
#define BYTES_BIG_ENDIAN 1
#define WORDS_BIG_ENDIAN 1
/* Alignment required for a function entry point, in bits. */
#define FUNCTION_BOUNDARY 16
/* Define this macro as a C expression which is nonzero if accessing
less than a word of memory (i.e. a `char' or a `short') is no
faster than accessing a word of memory. */
#define SLOW_BYTE_ACCESS 1
/* Number of storage units in a word; normally the size of a
general-purpose register, a power of two from 1 or 8. */
#define UNITS_PER_WORD 4
/* Define this macro to the minimum alignment enforced by hardware
for the stack pointer on this machine. The definition is a C
expression for the desired alignment (measured in bits). */
#define STACK_BOUNDARY 32
/* Normal alignment required for function parameters on the stack, in
bits. All stack parameters receive at least this much alignment
regardless of data type. */
#define PARM_BOUNDARY 32
/* Alignment of field after `int : 0' in a structure. */
#define EMPTY_FIELD_BOUNDARY 32
/* No data type wants to be aligned rounder than this. */
#define BIGGEST_ALIGNMENT 32
/* The best alignment to use in cases where we have a choice. */
#define FASTEST_ALIGNMENT 32
/* Every structures size must be a multiple of 8 bits. */
#define STRUCTURE_SIZE_BOUNDARY 8
/* Look at the fundamental type that is used for a bit-field and use
that to impose alignment on the enclosing structure.
struct s {int a:8}; should have same alignment as "int", not "char". */
#define PCC_BITFIELD_TYPE_MATTERS 1
/* Largest integer machine mode for structures. If undefined, the default
is GET_MODE_SIZE(DImode). */
#define MAX_FIXED_MODE_SIZE 32
/* Make strings word-aligned so strcpy from constants will be faster. */
#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
((TREE_CODE (EXP) == STRING_CST \
&& (ALIGN) < FASTEST_ALIGNMENT) \
? FASTEST_ALIGNMENT : (ALIGN))
/* Make arrays of chars word-aligned for the same reasons. */
#define DATA_ALIGNMENT(TYPE, ALIGN) \
(TREE_CODE (TYPE) == ARRAY_TYPE \
&& TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
&& (ALIGN) < FASTEST_ALIGNMENT ? FASTEST_ALIGNMENT : (ALIGN))
/* Set this nonzero if move instructions will actually fail to work
when given unaligned data. */
#define STRICT_ALIGNMENT 1
/* Generating Code for Profiling */
#define FUNCTION_PROFILER(FILE,LABELNO) (abort (), 0)
/* Trampolines for Nested Functions. */
#define TRAMPOLINE_SIZE (2 + 6 + 6 + 2 + 6)
/* Alignment required for trampolines, in bits. */
#define TRAMPOLINE_ALIGNMENT 16
/* A C statement to initialize the variable parts of a trampoline. ADDR is an
RTX for the address of the trampoline; FNADDR is an RTX for the address of
the nested function; STATIC_CHAIN is an RTX for the static chain value that
should be passed to the function when it is called. */
#define INITIALIZE_TRAMPOLINE(ADDR, FNADDR, STATIC_CHAIN) \
do \
{ \
emit_move_insn (gen_rtx_MEM (SImode, \
plus_constant (ADDR, 4)), STATIC_CHAIN); \
emit_move_insn (gen_rtx_MEM (SImode, plus_constant (ADDR, 18)), FNADDR); \
} while (0);
/* A C statement to output, on the stream FILE, assembler code for a
block of data that contains the constant parts of a trampoline.
This code should not include a label--the label is taken care of
automatically. */
#define TRAMPOLINE_TEMPLATE(FILE) \
{ \
fprintf (FILE, "\tpush $sp, $r0\n"); \
fprintf (FILE, "\tldi.l $r0, 0x0\n"); \
fprintf (FILE, "\tsto.l 0x8($fp), $r0\n"); \
fprintf (FILE, "\tpop $sp, $r0\n"); \
fprintf (FILE, "\tjmpa 0x0\n"); \
}
/* An alias for the machine mode for pointers. */
#define Pmode SImode
/* An alias for the machine mode used for memory references to
functions being called, in `call' RTL expressions. */
#define FUNCTION_MODE QImode
/* The register number of the stack pointer register, which must also
be a fixed register according to `FIXED_REGISTERS'. */
#define STACK_POINTER_REGNUM 1
/* The register number of the frame pointer register, which is used to
access automatic variables in the stack frame. */
#define FRAME_POINTER_REGNUM MOXIE_QFP
/* The register number of the arg pointer register, which is used to
access the function's argument list. */
#define ARG_POINTER_REGNUM MOXIE_QAP
/* If the static chain is passed in memory, these macros provide rtx
giving 'mem' expressions that denote where they are stored.
'STATIC_CHAIN' and 'STATIC_CHAIN_INCOMING' give the locations as
seen by the calling and called functions, respectively. */
#define STATIC_CHAIN \
gen_rtx_MEM (Pmode, plus_constant (stack_pointer_rtx, -UNITS_PER_WORD))
#define STATIC_CHAIN_INCOMING \
gen_rtx_MEM (Pmode, plus_constant (arg_pointer_rtx, 2 * UNITS_PER_WORD))
#define HARD_FRAME_POINTER_REGNUM MOXIE_FP
#if 0
#define ELIMINABLE_REGS \
{{ FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
{ FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }, \
{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
{ ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }}
#else
#define ELIMINABLE_REGS \
{{ FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }, \
{ ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }}
#endif
/* A C expression that returns nonzero if the compiler is allowed to
try to replace register number FROM-REG with register number
TO-REG. This macro need only be defined if `ELIMINABLE_REGS' is
defined, and will usually be the constant 1, since most of the
cases preventing register elimination are things that the compiler
already knows about. */
#define CAN_ELIMINATE(FROM, TO) 1
/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'. It
specifies the initial difference between the specified pair of
registers. This macro must be defined if `ELIMINABLE_REGS' is
defined. */
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
do { \
(OFFSET) = moxie_initial_elimination_offset ((FROM), (TO)); \
} while (0)
/* A C expression that is nonzero if REGNO is the number of a hard
register in which function arguments are sometimes passed. */
#define FUNCTION_ARG_REGNO_P(r) (r == MOXIE_R0 || r == MOXIE_R1)
/* A C expression that is nonzero if REGNO is the number of a hard
register in which the values of called function may come back. */
#define FUNCTION_VALUE_REGNO_P(r) (r == MOXIE_R0)
/* A macro whose definition is the name of the class to which a valid
base register must belong. A base register is one used in an
address which is the register value plus a displacement. */
#define BASE_REG_CLASS GENERAL_REGS
#define INDEX_REG_CLASS NO_REGS
#define HARD_REGNO_OK_FOR_BASE_P(NUM) \
((NUM) >= 0 && (NUM) < FIRST_PSEUDO_REGISTER \
&& (REGNO_REG_CLASS(NUM) == GENERAL_REGS \
|| (NUM) == HARD_FRAME_POINTER_REGNUM))
/* A C expression which is nonzero if register number NUM is suitable
for use as a base register in operand addresses. */
#ifdef REG_OK_STRICT
#define REGNO_OK_FOR_BASE_P(NUM) \
(HARD_REGNO_OK_FOR_BASE_P(NUM) \
|| HARD_REGNO_OK_FOR_BASE_P(reg_renumber[(NUM)]))
#else
#define REGNO_OK_FOR_BASE_P(NUM) \
((NUM) >= FIRST_PSEUDO_REGISTER || HARD_REGNO_OK_FOR_BASE_P(NUM))
#endif
/* A C expression which is nonzero if register number NUM is suitable
for use as an index register in operand addresses. */
#define REGNO_OK_FOR_INDEX_P(NUM) MOXIE_FP
/* The maximum number of bytes that a single instruction can move
quickly between memory and registers or between two memory
locations. */
#define MOVE_MAX 4
#define TRULY_NOOP_TRUNCATION(op,ip) 1
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
/* A C expression that is nonzero if X is a legitimate constant for
an immediate operand on the target machine. */
#define LEGITIMATE_CONSTANT_P(X) 1
#define FRAME_POINTER_REQUIRED 1
/* A C expression that is 1 if the RTX X is a constant which is a
valid address. */
#define CONSTANT_ADDRESS_P(X) CONSTANT_P(X)
/* A number, the maximum number of registers that can appear in a
valid memory address. */
#define MAX_REGS_PER_ADDRESS 1
#define TRULY_NOOP_TRUNCATION(op,ip) 1
/* An alias for a machine mode name. This is the machine mode that
elements of a jump-table should have. */
#define CASE_VECTOR_MODE SImode
/* A C compound statement with a conditional `goto LABEL;' executed
if X (an RTX) is a legitimate memory address on the target machine
for a memory operand of mode MODE. */
#define GO_IF_LEGITIMATE_ADDRESS(MODE,X,LABEL) \
do { \
if (GET_CODE(X) == PLUS) \
{ \
rtx op1,op2; \
op1 = XEXP(X,0); \
op2 = XEXP(X,1); \
if (GET_CODE(op1) == REG \
&& CONSTANT_ADDRESS_P(op2) \
&& REGNO_OK_FOR_BASE_P(REGNO(op1))) \
goto LABEL; \
} \
if (REG_P (X) && REGNO_OK_FOR_BASE_P (REGNO (X))) \
goto LABEL; \
if (GET_CODE (X) == SYMBOL_REF \
|| GET_CODE (X) == LABEL_REF \
|| GET_CODE (X) == CONST) \
goto LABEL; \
} while (0)
/* Run-time Target Specification */
#define TARGET_CPU_CPP_BUILTINS() \
{ \
builtin_define_std ("moxie"); \
builtin_define_std ("MOXIE"); \
}
#endif /* GCC_MOXIE_H */

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gcc/config/moxie/moxie.md Normal file
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@ -0,0 +1,421 @@
;; Machine description 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/>.
;; -------------------------------------------------------------------------
;; Moxie specific constraints
;; -------------------------------------------------------------------------
(include "constraints.md")
(include "predicates.md")
;; -------------------------------------------------------------------------
;; nop instruction
;; -------------------------------------------------------------------------
(define_insn "nop"
[(const_int 0)]
""
"nop")
;; -------------------------------------------------------------------------
;; Arithmetic instructions
;; -------------------------------------------------------------------------
(define_insn "addsi3"
[(set (match_operand:SI 0 "register_operand" "=r,r,r")
(plus:SI
(match_operand:SI 1 "register_operand" "0,0,0")
(match_operand:SI 2 "moxie_add_operand" "I,N,r")))]
""
"@
inc %0, %2
dec %0, -%2
add.l %0, %2")
(define_insn "subsi3"
[(set (match_operand:SI 0 "register_operand" "=r,r")
(minus:SI
(match_operand:SI 1 "register_operand" "0,0")
(match_operand:SI 2 "moxie_sub_operand" "I,r")))]
""
"@
dec %0, %2
sub.l %0, %2")
(define_insn "mulsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(mult:SI
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
"mul.l %0, %2")
(define_insn "divsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(div:SI
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
"div.l %0, %2")
(define_insn "udivsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(udiv:SI
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
"udiv.l %0, %2")
(define_insn "modsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(mod:SI
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
"mod.l %0, %2")
(define_insn "umodsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(umod:SI
(match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
"umod.l %0, %2")
;; -------------------------------------------------------------------------
;; Unary arithmetic instructions
;; -------------------------------------------------------------------------
(define_insn "negsi2"
[(set (match_operand:SI 0 "register_operand" "=r")
(neg:SI (match_operand:SI 1 "register_operand" "r")))]
""
"neg %0, %1")
(define_insn "one_cmplsi2"
[(set (match_operand:SI 0 "register_operand" "=r")
(not:SI (match_operand:SI 1 "register_operand" "r")))]
""
"not %0, %1")
;; -------------------------------------------------------------------------
;; Logical operators
;; -------------------------------------------------------------------------
(define_insn "andsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(and:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
{
return "and %0, %2";
})
(define_insn "xorsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(xor:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
{
return "xor %0, %2";
})
(define_insn "iorsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(ior:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
{
return "or %0, %2";
})
;; -------------------------------------------------------------------------
;; Shifters
;; -------------------------------------------------------------------------
(define_insn "ashlsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(ashift:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
{
return "ashl %0, %2";
})
(define_insn "ashrsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(ashiftrt:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
{
return "ashr %0, %2";
})
(define_insn "lshrsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(lshiftrt:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:SI 2 "register_operand" "r")))]
""
{
return "lshr %0, %2";
})
;; -------------------------------------------------------------------------
;; Move instructions
;; -------------------------------------------------------------------------
;; SImode
;; Push a register onto the stack
(define_insn "movsi_push"
[(set:SI (mem:SI (pre_dec:SI (reg:SI 1)))
(match_operand:SI 0 "register_operand" "r"))]
""
"push $sp, %0")
;; Pop a register from the stack
(define_insn "movsi_pop"
[(set:SI (match_operand:SI 0 "register_operand" "=r")
(mem:SI (post_inc:SI (reg:SI 1))))]
""
"pop $sp, %0")
(define_expand "movsi"
[(set (match_operand:SI 0 "general_operand" "")
(match_operand:SI 1 "general_operand" ""))]
""
"
{
/* If this is a store, force the value into a register. */
if (! (reload_in_progress || reload_completed))
{
if (MEM_P (operands[0]))
{
operands[1] = force_reg (SImode, operands[1]);
if (MEM_P (XEXP (operands[0], 0)))
operands[0] = gen_rtx_MEM (SImode, force_reg (SImode, XEXP (operands[0], 0)));
}
else
if (MEM_P (operands[1])
&& MEM_P (XEXP (operands[1], 0)))
operands[1] = gen_rtx_MEM (SImode, force_reg (SImode, XEXP (operands[1], 0)));
}
}")
(define_insn "*movsi"
[(set (match_operand:SI 0 "general_operand" "=r,r,W,A,r,r,B,r")
(match_operand:SI 1 "moxie_general_movsrc_operand" "r,i,r,r,W,A,r,B"))]
"register_operand (operands[0], SImode)
|| register_operand (operands[1], SImode)"
"@
mov %0, %1
ldi.l %0, %1
st.l %0, %1
sta.l %0, %1
ld.l %0, %1
lda.l %0, %1
sto.l %0, %1
ldo.l %0, %1")
(define_expand "movqi"
[(set (match_operand:QI 0 "general_operand" "")
(match_operand:QI 1 "general_operand" ""))]
""
"
{
/* If this is a store, force the value into a register. */
if (MEM_P (operands[0]))
operands[1] = force_reg (QImode, operands[1]);
}")
(define_insn "*movqi"
[(set (match_operand:QI 0 "general_operand" "=r,r,W,A,r,r,B,r")
(match_operand:QI 1 "moxie_general_movsrc_operand" "r,i,r,r,W,A,r,B"))]
"register_operand (operands[0], QImode)
|| register_operand (operands[1], QImode)"
"@
mov %0, %1
ldi.b %0, %1
st.b %0, %1
sta.b %0, %1
ld.b %0, %1
lda.b %0, %1
sto.b %0, %1
ldo.b %0, %1")
(define_expand "movhi"
[(set (match_operand:HI 0 "general_operand" "")
(match_operand:HI 1 "general_operand" ""))]
""
"
{
/* If this is a store, force the value into a register. */
if (MEM_P (operands[0]))
operands[1] = force_reg (HImode, operands[1]);
}")
(define_insn "*movhi"
[(set (match_operand:HI 0 "general_operand" "=r,r,W,A,r,r,B,r")
(match_operand:HI 1 "moxie_general_movsrc_operand" "r,i,r,r,W,A,r,B"))]
"(register_operand (operands[0], HImode)
|| register_operand (operands[1], HImode))"
"@
mov %0, %1
ldi.s %0, %1
st.s %0, %1
sta.s %0, %1
ld.s %0, %1
lda.s %0, %1
sto.s %0, %1
ldo.s %0, %1")
;; -------------------------------------------------------------------------
;; Compare instructions
;; -------------------------------------------------------------------------
(define_constants
[(CC_REG 11)])
(define_expand "cbranchsi4"
[(set (reg:CC CC_REG)
(compare:CC
(match_operand:SI 1 "register_operand" "")
(match_operand:SI 2 "register_operand" "")))
(set (pc)
(if_then_else (match_operator:CC 0 "comparison_operator"
[(reg:CC CC_REG) (const_int 0)])
(label_ref (match_operand 3 "" ""))
(pc)))]
""
"")
(define_insn "*cmpsi"
[(set (reg:CC CC_REG)
(compare
(match_operand:SI 0 "register_operand" "r")
(match_operand:SI 1 "register_operand" "r")))]
""
"cmp %0, %1")
;; -------------------------------------------------------------------------
;; Branch instructions
;; -------------------------------------------------------------------------
(define_code_iterator cond [ne eq lt ltu gt gtu ge le geu leu])
(define_code_attr CC [(ne "ne") (eq "eq") (lt "lt") (ltu "ltu")
(gt "gt") (gtu "gtu") (ge "ge") (le "le")
(geu "geu") (leu "leu") ])
(define_insn "*b<cond:code>"
[(set (pc)
(if_then_else (cond (reg:CC CC_REG)
(const_int 0))
(label_ref (match_operand 0 "" ""))
(pc)))]
""
"b<CC> %l0")
;; -------------------------------------------------------------------------
;; Call and Jump instructions
;; -------------------------------------------------------------------------
(define_expand "call"
[(call (match_operand:QI 0 "memory_operand" "")
(match_operand 1 "general_operand" ""))]
""
{
gcc_assert (MEM_P (operands[0]));
})
(define_insn "*call"
[(call (mem:QI (match_operand:SI
0 "nonmemory_operand" "i,r"))
(match_operand 1 "" ""))]
""
"@
jsra %0
jsr %0")
(define_expand "call_value"
[(set (match_operand 0 "" "")
(call (match_operand:QI 1 "memory_operand" "")
(match_operand 2 "" "")))]
""
{
gcc_assert (MEM_P (operands[1]));
})
(define_insn "*call_value"
[(set (match_operand 0 "register_operand" "=r")
(call (mem:QI (match_operand:SI
1 "immediate_operand" "i"))
(match_operand 2 "" "")))]
""
"jsra %1")
(define_insn "*call_value_indirect"
[(set (match_operand 0 "register_operand" "=r")
(call (mem:QI (match_operand:SI
1 "register_operand" "r"))
(match_operand 2 "" "")))]
""
"jsr %1")
(define_insn "indirect_jump"
[(set (pc) (match_operand:SI 0 "nonimmediate_operand" "r"))]
""
"jmp %0")
(define_insn "jump"
[(set (pc)
(label_ref (match_operand 0 "" "")))]
""
"jmpa %l0")
;; -------------------------------------------------------------------------
;; Prologue & Epilogue
;; -------------------------------------------------------------------------
(define_expand "prologue"
[(clobber (const_int 0))]
""
"
{
moxie_expand_prologue ();
DONE;
}
")
(define_expand "epilogue"
[(return)]
""
"
{
moxie_expand_epilogue ();
DONE;
}
")
(define_insn "returner"
[(return)]
"reload_completed"
"ret")

55
gcc/config/moxie/predicates.md Normal file
View File

@ -0,0 +1,55 @@
;; 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)"))))

52
gcc/config/moxie/sfp-machine.h Normal file
View File

@ -0,0 +1,52 @@
#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)));

20
gcc/config/moxie/t-moxie Normal file
View File

@ -0,0 +1,20 @@
# 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/>.

9
gcc/config/moxie/t-moxie-softfp Normal file
View File

@ -0,0 +1,9 @@
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

3
gcc/doc/contrib.texi
View File

@ -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.

7
gcc/doc/install.texi
View File

@ -3759,6 +3759,13 @@ and in order to build GCC for such targets you need to configure with
See @uref{http://freeware.sgi.com/} for more
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

19
gcc/doc/md.texi
View File

@ -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

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
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.

1
gcc/testsuite/lib/target-supports.exp
View File

@ -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*]

5
libgcc/ChangeLog
View File

@ -1,3 +1,8 @@
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

6
libgcc/config.host
View File

@ -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-*-*)