bfin-modes.def: New file.
* config/bfin/bfin-modes.def: New file. * config/bfin/bfin-protos.h: New file. * config/bfin/bfin.c: New file. * config/bfin/bfin.h: New file. * config/bfin/bfin.md: New file. * config/bfin/bfin.opt: New file. * config/bfin/crti.s: New file. * config/bfin/crtn.s: New file. * config/bfin/elf.h: New file. * config/bfin/lib1funcs.asm: New file. * config/bfin/predicates.md: New file. * config/bfin/t-bfin: New file. * config/bfin/t-bfin-elf: New file. * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler): Document new attributes. (interrupt, interrupt_handler, saveall): Update documentation for these attributes. * doc/install.texi (Specific): Add entry for the Blackfin. * doc/invoke.texi (Blackfin Options): New section. * doc/md.texi (Blackfin family): New section to document constraints. * config.gcc: Add bfin*-* and bfin*-elf configurations. From-SVN: r97622
This commit is contained in:
Bernd Schmidt
Bernd Schmidt
parent
fcec20a758
commit
0d4a78eb9e
19 changed files with 6602 additions and 9 deletions
|
|
@ -1,3 +1,27 @@
|
|||
2005-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
|
||||
|
||||
* config/bfin/bfin-modes.def: New file.
|
||||
* config/bfin/bfin-protos.h: New file.
|
||||
* config/bfin/bfin.c: New file.
|
||||
* config/bfin/bfin.h: New file.
|
||||
* config/bfin/bfin.md: New file.
|
||||
* config/bfin/bfin.opt: New file.
|
||||
* config/bfin/crti.s: New file.
|
||||
* config/bfin/crtn.s: New file.
|
||||
* config/bfin/elf.h: New file.
|
||||
* config/bfin/lib1funcs.asm: New file.
|
||||
* config/bfin/predicates.md: New file.
|
||||
* config/bfin/t-bfin: New file.
|
||||
* config/bfin/t-bfin-elf: New file.
|
||||
* doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
|
||||
Document new attributes.
|
||||
(interrupt, interrupt_handler, saveall): Update documentation for
|
||||
these attributes.
|
||||
* doc/install.texi (Specific): Add entry for the Blackfin.
|
||||
* doc/invoke.texi (Blackfin Options): New section.
|
||||
* doc/md.texi (Blackfin family): New section to document constraints.
|
||||
* config.gcc: Add bfin*-* and bfin*-elf configurations.
|
||||
|
||||
2005-04-05 Olivier Hainque <hainque@adacore.com>
|
||||
|
||||
* config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
|
||||
|
|
|
|||
|
|
@ -248,6 +248,9 @@ arm*-*-*)
|
|||
cpu_type=arm
|
||||
extra_headers="mmintrin.h"
|
||||
;;
|
||||
bfin*-*)
|
||||
cpu_type=bfin
|
||||
;;
|
||||
ep9312*-*-*)
|
||||
cpu_type=arm
|
||||
;;
|
||||
|
|
@ -727,6 +730,16 @@ avr-*-*)
|
|||
tm_file="avr/avr.h dbxelf.h"
|
||||
use_fixproto=yes
|
||||
;;
|
||||
bfin*-elf*)
|
||||
tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h"
|
||||
tmake_file=bfin/t-bfin-elf
|
||||
use_collect2=no
|
||||
;;
|
||||
bfin*-*)
|
||||
tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h"
|
||||
tmake_file=bfin/t-bfin
|
||||
use_collect2=no
|
||||
;;
|
||||
c4x-*-rtems* | tic4x-*-rtems*)
|
||||
tmake_file="c4x/t-c4x t-rtems c4x/t-rtems"
|
||||
tm_file="c4x/c4x.h c4x/rtems.h rtems.h"
|
||||
|
|
|
|||
25
gcc/config/bfin/bfin-modes.def
Normal file
25
gcc/config/bfin/bfin-modes.def
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
/* Definitions of target machine for GNU compiler, for Blackfin.
|
||||
Copyright (C) 2005 Free Software Foundation, Inc.
|
||||
Contributed by Analog Devices.
|
||||
|
||||
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 2, 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 COPYING. If not, write to the
|
||||
Free Software Foundation, 59 Temple Place - Suite 330, Boston,
|
||||
MA 02111-1307, USA. */
|
||||
|
||||
/* PDImode for the 40 bit accumulators. */
|
||||
PARTIAL_INT_MODE (DI);
|
||||
|
||||
VECTOR_MODE (INT, HI, 2); /* V2HI */
|
||||
88
gcc/config/bfin/bfin-protos.h
Normal file
88
gcc/config/bfin/bfin-protos.h
Normal file
|
|
@ -0,0 +1,88 @@
|
|||
/* Prototypes for Blackfin functions used in the md file & elsewhere.
|
||||
Copyright (C) 2005 Free Software Foundation, Inc.
|
||||
|
||||
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. */
|
||||
|
||||
/* Function prototypes that cannot exist in bfin.h due to dependency
|
||||
complications. */
|
||||
#ifndef GCC_BFIN_PROTOS_H
|
||||
#define GCC_BFIN_PROTOS_H
|
||||
|
||||
#define Mmode enum machine_mode
|
||||
|
||||
extern rtx function_arg (CUMULATIVE_ARGS *, Mmode, tree, int);
|
||||
extern void function_arg_advance (CUMULATIVE_ARGS *, Mmode, tree, int);
|
||||
extern bool function_arg_regno_p (int);
|
||||
|
||||
extern const char *output_load_immediate (rtx *);
|
||||
extern const char *output_casesi_internal (rtx *);
|
||||
extern char *bfin_asm_long (void);
|
||||
extern char *bfin_asm_short (void);
|
||||
extern int log2constp (unsigned HOST_WIDE_INT);
|
||||
|
||||
extern rtx legitimize_address (rtx, rtx, Mmode);
|
||||
extern int hard_regno_mode_ok (int, Mmode);
|
||||
extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
|
||||
extern int bfin_frame_pointer_required (void);
|
||||
extern HOST_WIDE_INT bfin_initial_elimination_offset (int, int);
|
||||
|
||||
extern int effective_address_32bit_p (rtx, Mmode);
|
||||
extern int symbolic_reference_mentioned_p (rtx);
|
||||
extern rtx bfin_gen_compare (rtx, Mmode);
|
||||
extern void expand_move (rtx *, Mmode);
|
||||
extern void bfin_expand_call (rtx, rtx, rtx, int);
|
||||
extern bool bfin_expand_strmov (rtx, rtx, rtx, rtx);
|
||||
|
||||
extern void conditional_register_usage (void);
|
||||
extern int bfin_register_move_cost (enum machine_mode, enum reg_class,
|
||||
enum reg_class);
|
||||
extern int bfin_memory_move_cost (enum machine_mode, enum reg_class, int in);
|
||||
extern enum reg_class secondary_input_reload_class (enum reg_class, Mmode,
|
||||
rtx);
|
||||
extern enum reg_class secondary_output_reload_class (enum reg_class, Mmode,
|
||||
rtx);
|
||||
extern char *section_asm_op_1 (SECT_ENUM_T);
|
||||
extern char *section_asm_op (SECT_ENUM_T);
|
||||
extern void override_options (void);
|
||||
extern void print_operand (FILE *, rtx, char);
|
||||
extern void print_address_operand (FILE *, rtx);
|
||||
extern void split_di (rtx [], int, rtx [], rtx []);
|
||||
extern int split_load_immediate (rtx []);
|
||||
extern rtx legitimize_pic_address (rtx, rtx);
|
||||
extern void emit_pic_move (rtx *, Mmode);
|
||||
extern void override_options (void);
|
||||
extern void asm_conditional_branch (rtx, rtx *, int, int);
|
||||
extern rtx bfin_gen_compare (rtx, Mmode);
|
||||
|
||||
extern int bfin_return_in_memory (tree);
|
||||
extern void initialize_trampoline (rtx, rtx, rtx);
|
||||
extern bool bfin_legitimate_address_p (Mmode, rtx, int);
|
||||
extern rtx bfin_va_arg (tree, tree);
|
||||
|
||||
extern void bfin_expand_prologue (void);
|
||||
extern void bfin_expand_epilogue (int, int);
|
||||
extern int push_multiple_operation (rtx, Mmode);
|
||||
extern int pop_multiple_operation (rtx, Mmode);
|
||||
extern void output_push_multiple (rtx, rtx *);
|
||||
extern void output_pop_multiple (rtx, rtx *);
|
||||
extern int bfin_hard_regno_rename_ok (unsigned int, unsigned int);
|
||||
extern rtx bfin_return_addr_rtx (int);
|
||||
#undef Mmode
|
||||
|
||||
#endif
|
||||
|
||||
2728
gcc/config/bfin/bfin.c
Normal file
2728
gcc/config/bfin/bfin.c
Normal file
File diff suppressed because it is too large
Load diff
1168
gcc/config/bfin/bfin.h
Normal file
1168
gcc/config/bfin/bfin.h
Normal file
File diff suppressed because it is too large
Load diff
1902
gcc/config/bfin/bfin.md
Normal file
1902
gcc/config/bfin/bfin.md
Normal file
File diff suppressed because it is too large
Load diff
36
gcc/config/bfin/bfin.opt
Normal file
36
gcc/config/bfin/bfin.opt
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
; Options for the Blackfin port of the compiler
|
||||
;
|
||||
; Copyright (C) 2005 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 2, 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 COPYING. If not, write to the Free
|
||||
; Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
||||
; 02111-1307, USA.
|
||||
|
||||
momit-leaf-frame-pointer
|
||||
Target Report Mask(OMIT_LEAF_FRAME_POINTER)
|
||||
Omit frame pointer for leaf functions
|
||||
|
||||
mlow64k
|
||||
Target Report Mask(LOW_64K)
|
||||
Program is entirely located in low 64k of memory.
|
||||
|
||||
mcsync
|
||||
Target Report Mask(CSYNC)
|
||||
Avoid speculative loads by inserting CSYNC or equivalent
|
||||
|
||||
mid-shared-library
|
||||
Target Report Mask(ID_SHARED_LIBRARY)
|
||||
Enabled ID based shared library
|
||||
47
gcc/config/bfin/crti.s
Normal file
47
gcc/config/bfin/crti.s
Normal file
|
|
@ -0,0 +1,47 @@
|
|||
/* Specialized code needed to support construction and destruction of
|
||||
file-scope objects in C++ and Java code, and to support exception handling.
|
||||
Copyright (C) 2005 Free Software Foundation, Inc.
|
||||
Contributed by Analog Devices.
|
||||
|
||||
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 2, 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 COPYING. If not, write to
|
||||
the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* As a special exception, if you link this library with files
|
||||
compiled with GCC to produce an executable, this does not cause
|
||||
the resulting executable to be covered by the GNU General Public License.
|
||||
This exception does not however invalidate any other reasons why
|
||||
the executable file might be covered by the GNU General Public License. */
|
||||
|
||||
/*
|
||||
* This file just supplies function prologues for the .init and .fini
|
||||
* sections. It is linked in before crtbegin.o.
|
||||
*/
|
||||
|
||||
.file "crti.o"
|
||||
.ident "GNU C crti.o"
|
||||
|
||||
.section .init
|
||||
.globl _init
|
||||
.type _init,@function
|
||||
_init:
|
||||
LINK 0;
|
||||
|
||||
.section .fini
|
||||
.globl _fini
|
||||
.type _fini,@function
|
||||
_fini:
|
||||
LINK 0;
|
||||
43
gcc/config/bfin/crtn.s
Normal file
43
gcc/config/bfin/crtn.s
Normal file
|
|
@ -0,0 +1,43 @@
|
|||
/* Specialized code needed to support construction and destruction of
|
||||
file-scope objects in C++ and Java code, and to support exception handling.
|
||||
Copyright (C) 2005 Free Software Foundation, Inc.
|
||||
Contributed by Analog Devices.
|
||||
|
||||
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 2, 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 COPYING. If not, write to
|
||||
the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* As a special exception, if you link this library with files
|
||||
compiled with GCC to produce an executable, this does not cause
|
||||
the resulting executable to be covered by the GNU General Public License.
|
||||
This exception does not however invalidate any other reasons why
|
||||
the executable file might be covered by the GNU General Public License. */
|
||||
|
||||
/*
|
||||
* This file supplies function epilogues for the .init and .fini sections.
|
||||
* It is linked in after all other files.
|
||||
*/
|
||||
|
||||
.file "crtn.o"
|
||||
.ident "GNU C crtn.o"
|
||||
|
||||
.section .init
|
||||
unlink;
|
||||
rts;
|
||||
|
||||
.section .fini
|
||||
unlink;
|
||||
rts;
|
||||
16
gcc/config/bfin/elf.h
Normal file
16
gcc/config/bfin/elf.h
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
#define OBJECT_FORMAT_ELF
|
||||
|
||||
#define LOCAL_LABEL_PREFIX "L$"
|
||||
|
||||
#undef ASM_GENERATE_INTERNAL_LABEL
|
||||
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
|
||||
sprintf (LABEL, "*%s%s$%d", LOCAL_LABEL_PREFIX, PREFIX, (int) NUM)
|
||||
|
||||
#undef STARTFILE_SPEC
|
||||
#define STARTFILE_SPEC "crt0%O%s crti%O%s crtbegin%O%s"
|
||||
|
||||
#undef ENDFILE_SPEC
|
||||
#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
|
||||
|
||||
#undef USER_LABEL_PREFIX
|
||||
#define USER_LABEL_PREFIX "_"
|
||||
120
gcc/config/bfin/lib1funcs.asm
Normal file
120
gcc/config/bfin/lib1funcs.asm
Normal file
|
|
@ -0,0 +1,120 @@
|
|||
/* libgcc functions for Blackfin.
|
||||
Copyright (C) 2005 Free Software Foundation, Inc.
|
||||
Contributed by Analog Devices.
|
||||
|
||||
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 2, 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 COPYING. If not, write to
|
||||
the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* As a special exception, if you link this library with files
|
||||
compiled with GCC to produce an executable, this does not cause
|
||||
the resulting executable to be covered by the GNU General Public License.
|
||||
This exception does not however invalidate any other reasons why
|
||||
the executable file might be covered by the GNU General Public License. */
|
||||
|
||||
|
||||
#ifdef L_divsi3
|
||||
.text
|
||||
.align 2
|
||||
.global ___divsi3;
|
||||
.type ___divsi3, STT_FUNC;
|
||||
|
||||
___divsi3:
|
||||
[--SP]= RETS;
|
||||
[--SP] = R7;
|
||||
|
||||
R2 = -R0;
|
||||
CC = R0 < 0;
|
||||
IF CC R0 = R2;
|
||||
R7 = CC;
|
||||
|
||||
R2 = -R1;
|
||||
CC = R1 < 0;
|
||||
IF CC R1 = R2;
|
||||
R2 = CC;
|
||||
R7 = R7 ^ R2;
|
||||
|
||||
CALL ___udivsi3;
|
||||
|
||||
CC = R7;
|
||||
R1 = -R0;
|
||||
IF CC R0 = R1;
|
||||
|
||||
R7 = [SP++];
|
||||
RETS = [SP++];
|
||||
RTS;
|
||||
#endif
|
||||
|
||||
#ifdef L_modsi3
|
||||
.align 2
|
||||
.global ___modsi3;
|
||||
.type ___modsi3, STT_FUNC;
|
||||
|
||||
___modsi3:
|
||||
[--SP] = RETS;
|
||||
/* P1 and P2 are preserved by divsi3 and udivsi3. */
|
||||
P1 = R0;
|
||||
P2 = R1;
|
||||
CALL ___divsi3;
|
||||
R1 = P1;
|
||||
R2 = P2;
|
||||
R2 *= R0;
|
||||
R0 = R1 - R2;
|
||||
RETS = [SP++];
|
||||
RTS;
|
||||
#endif
|
||||
|
||||
#ifdef L_udivsi3
|
||||
.align 2
|
||||
.global ___udivsi3;
|
||||
.type ___udivsi3, STT_FUNC;
|
||||
|
||||
___udivsi3:
|
||||
P0 = 32;
|
||||
LSETUP (0f, 1f) LC0 = P0;
|
||||
/* upper half of dividend */
|
||||
R3 = 0;
|
||||
0:
|
||||
/* The first time round in the loop we shift in garbage, but since we
|
||||
perform 33 shifts, it doesn't matter. */
|
||||
R0 = ROT R0 BY 1;
|
||||
R3 = ROT R3 BY 1;
|
||||
R2 = R3 - R1;
|
||||
CC = R3 < R1 (IU);
|
||||
1:
|
||||
/* Last instruction of the loop. */
|
||||
IF ! CC R3 = R2;
|
||||
|
||||
/* Shift in the last bit. */
|
||||
R0 = ROT R0 BY 1;
|
||||
/* R0 is the result, R3 contains the remainder. */
|
||||
R0 = ~ R0;
|
||||
RTS;
|
||||
#endif
|
||||
|
||||
#ifdef L_umodsi3
|
||||
.align 2
|
||||
.global ___umodsi3;
|
||||
.type ___umodsi3, STT_FUNC;
|
||||
|
||||
___umodsi3:
|
||||
P1 = RETS;
|
||||
CALL ___udivsi3;
|
||||
R0 = R3;
|
||||
RETS = P1;
|
||||
RTS;
|
||||
#endif
|
||||
|
||||
127
gcc/config/bfin/predicates.md
Normal file
127
gcc/config/bfin/predicates.md
Normal file
|
|
@ -0,0 +1,127 @@
|
|||
;; Predicate definitions for the Blackfin.
|
||||
;;
|
||||
;; 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 2, 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 COPYING. If not, write to
|
||||
;; the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
;; Boston, MA 02111-1307, USA.
|
||||
|
||||
;; Return nonzero iff OP is one of the integer constants 1 or 2.
|
||||
(define_predicate "pos_scale_operand"
|
||||
(and (match_code "const_int")
|
||||
(match_test "INTVAL (op) == 1 || INTVAL (op) == 2")))
|
||||
|
||||
;; Return nonzero iff OP is one of the integer constants 2 or 4.
|
||||
(define_predicate "scale_by_operand"
|
||||
(and (match_code "const_int")
|
||||
(match_test "INTVAL (op) == 2 || INTVAL (op) == 4")))
|
||||
|
||||
;; Return nonzero if OP is a constant that consists of two parts; lower
|
||||
;; bits all zero and upper bits all ones. In this case, we can perform
|
||||
;; an AND operation with a sequence of two shifts. Don't return nonzero
|
||||
;; if the constant would be cheap to load.
|
||||
(define_predicate "highbits_operand"
|
||||
(and (match_code "const_int")
|
||||
(match_test "log2constp (-INTVAL (op)) && !CONST_7BIT_IMM_P (INTVAL (op))")))
|
||||
|
||||
;; Return nonzero if OP is suitable as a right-hand side operand for an
|
||||
;; andsi3 operation.
|
||||
(define_predicate "rhs_andsi3_operand"
|
||||
(ior (match_operand 0 "register_operand")
|
||||
(and (match_code "const_int")
|
||||
(match_test "log2constp (~INTVAL (op)) || INTVAL (op) == 255 || INTVAL (op) == 65535"))))
|
||||
|
||||
;; Return nonzero if OP is a register or a constant with exactly one bit
|
||||
;; set.
|
||||
(define_predicate "regorlog2_operand"
|
||||
(ior (match_operand 0 "register_operand")
|
||||
(and (match_code "const_int")
|
||||
(match_test "log2constp (INTVAL (op))"))))
|
||||
|
||||
;; Like register_operand, but make sure that hard regs have a valid mode.
|
||||
(define_predicate "valid_reg_operand"
|
||||
(match_operand 0 "register_operand")
|
||||
{
|
||||
if (GET_CODE (op) == SUBREG)
|
||||
op = SUBREG_REG (op);
|
||||
if (REGNO (op) < FIRST_PSEUDO_REGISTER)
|
||||
return HARD_REGNO_MODE_OK (REGNO (op), mode);
|
||||
return 1;
|
||||
})
|
||||
|
||||
;; Return nonzero if OP is the CC register.
|
||||
(define_predicate "cc_operand"
|
||||
(and (match_code "reg")
|
||||
(match_test "REGNO (op) == REG_CC && GET_MODE (op) == BImode")))
|
||||
|
||||
;; Return nonzero if OP is a register or a 7 bit signed constant.
|
||||
(define_predicate "reg_or_7bit_operand"
|
||||
(ior (match_operand 0 "register_operand")
|
||||
(and (match_code "const_int")
|
||||
(match_test "CONST_7BIT_IMM_P (INTVAL (op))"))))
|
||||
|
||||
;; Used for secondary reloads, this function returns 1 if OP is of the
|
||||
;; form (plus (fp) (const_int)).
|
||||
(define_predicate "fp_plus_const_operand"
|
||||
(match_code "plus")
|
||||
{
|
||||
rtx op1, op2;
|
||||
|
||||
op1 = XEXP (op, 0);
|
||||
op2 = XEXP (op, 1);
|
||||
return (REG_P (op1)
|
||||
&& (REGNO (op1) == FRAME_POINTER_REGNUM
|
||||
|| REGNO (op1) == STACK_POINTER_REGNUM)
|
||||
&& GET_CODE (op2) == CONST_INT);
|
||||
})
|
||||
|
||||
;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref,
|
||||
;; possibly with an offset.
|
||||
(define_predicate "symbolic_operand"
|
||||
(ior (match_code "symbol_ref,label_ref")
|
||||
(and (match_code "const")
|
||||
(match_test "GET_CODE (XEXP (op,0)) == PLUS
|
||||
&& (GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF
|
||||
|| GET_CODE (XEXP (XEXP (op, 0), 0)) == LABEL_REF)
|
||||
&& GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT"))))
|
||||
|
||||
;; Returns 1 if OP is a plain constant or matched by symbolic_operand.
|
||||
(define_predicate "symbolic_or_const_operand"
|
||||
(ior (match_code "const_int,const_double")
|
||||
(match_operand 0 "symbolic_operand")))
|
||||
|
||||
;; True for any non-virtual or eliminable register. Used in places where
|
||||
;; instantiation of such a register may cause the pattern to not be recognized.
|
||||
(define_predicate "register_no_elim_operand"
|
||||
(match_operand 0 "register_operand")
|
||||
{
|
||||
if (GET_CODE (op) == SUBREG)
|
||||
op = SUBREG_REG (op);
|
||||
return !(op == arg_pointer_rtx
|
||||
|| op == frame_pointer_rtx
|
||||
|| (REGNO (op) >= FIRST_PSEUDO_REGISTER
|
||||
&& REGNO (op) <= LAST_VIRTUAL_REGISTER));
|
||||
})
|
||||
|
||||
;; Test for a valid operand for a call instruction. Don't allow the
|
||||
;; arg pointer register or virtual regs since they may decay into
|
||||
;; reg + const, which the patterns can't handle.
|
||||
;; We only allow SYMBOL_REF if !flag_pic.
|
||||
(define_predicate "call_insn_operand"
|
||||
(ior (and (match_test "!flag_pic") (match_code "symbol_ref"))
|
||||
(match_operand 0 "register_no_elim_operand")))
|
||||
|
||||
;; Test for an operator valid in a conditional branch
|
||||
(define_predicate "bfin_cbranch_operator"
|
||||
(match_code "eq,ne"))
|
||||
29
gcc/config/bfin/t-bfin
Normal file
29
gcc/config/bfin/t-bfin
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
## Target part of the Makefile
|
||||
|
||||
LIB1ASMSRC = bfin/lib1funcs.asm
|
||||
LIB1ASMFUNCS = _divsi3 _udivsi3 _umodsi3 _modsi3
|
||||
|
||||
EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
|
||||
|
||||
FPBIT = fp-bit.c
|
||||
DPBIT = dp-bit.c
|
||||
|
||||
dp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c > dp-bit.c
|
||||
|
||||
fp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
echo '#define FLOAT' > fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
|
||||
|
||||
# This shouldn't be needed here. I added it to the specs file for now, until
|
||||
# it is fixed in binutils (if it is necessary).
|
||||
GCC_CFLAGS += -N
|
||||
|
||||
# Assemble startup files.
|
||||
$(T)crti.o: $(srcdir)/config/bfin/crti.s $(GCC_PASSES)
|
||||
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
|
||||
-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/bfin/crti.s
|
||||
|
||||
$(T)crtn.o: $(srcdir)/config/bfin/crtn.s $(GCC_PASSES)
|
||||
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
|
||||
-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/bfin/crtn.s
|
||||
29
gcc/config/bfin/t-bfin-elf
Normal file
29
gcc/config/bfin/t-bfin-elf
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
## Target part of the Makefile
|
||||
|
||||
LIB1ASMSRC = bfin/lib1funcs.asm
|
||||
LIB1ASMFUNCS = _divsi3 _udivsi3 _umodsi3 _modsi3
|
||||
|
||||
EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
|
||||
|
||||
FPBIT = fp-bit.c
|
||||
DPBIT = dp-bit.c
|
||||
|
||||
dp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c > dp-bit.c
|
||||
|
||||
fp-bit.c: $(srcdir)/config/fp-bit.c
|
||||
echo '#define FLOAT' > fp-bit.c
|
||||
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
|
||||
|
||||
# This shouldn't be needed here. I added it to the specs file for now, until
|
||||
# it is fixed in binutils (if it is necessary).
|
||||
GCC_CFLAGS += -N
|
||||
|
||||
# Assemble startup files.
|
||||
$(T)crti.o: $(srcdir)/config/bfin/crti.s $(GCC_PASSES)
|
||||
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
|
||||
-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/bfin/crti.s
|
||||
|
||||
$(T)crtn.o: $(srcdir)/config/bfin/crtn.s $(GCC_PASSES)
|
||||
$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
|
||||
-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/bfin/crtn.s
|
||||
|
|
@ -1724,6 +1724,13 @@ on data in the eight bit data area. Note the eight bit data area is limited to
|
|||
You must use GAS and GLD from GNU binutils version 2.7 or later for
|
||||
this attribute to work correctly.
|
||||
|
||||
@item exception_handler
|
||||
@cindex exception handler functions on the Blackfin processor
|
||||
Use this attribute on the Blackfin to indicate that the specified function
|
||||
is an exception handler. The compiler will generate function entry and
|
||||
exit sequences suitable for use in an exception handler when this
|
||||
attribute is present.
|
||||
|
||||
@item far
|
||||
@cindex functions which handle memory bank switching
|
||||
On 68HC11 and 68HC12 the @code{far} attribute causes the compiler to
|
||||
|
|
@ -1872,8 +1879,8 @@ that the specified function is an interrupt handler. The compiler will
|
|||
generate function entry and exit sequences suitable for use in an
|
||||
interrupt handler when this attribute is present.
|
||||
|
||||
Note, interrupt handlers for the m68k, H8/300, H8/300H, H8S, and SH processors
|
||||
can be specified via the @code{interrupt_handler} attribute.
|
||||
Note, interrupt handlers for the Blackfin, m68k, H8/300, H8/300H, H8S, and
|
||||
SH processors can be specified via the @code{interrupt_handler} attribute.
|
||||
|
||||
Note, on the AVR, interrupts will be enabled inside the function.
|
||||
|
||||
|
|
@ -1887,11 +1894,17 @@ void f () __attribute__ ((interrupt ("IRQ")));
|
|||
Permissible values for this parameter are: IRQ, FIQ, SWI, ABORT and UNDEF@.
|
||||
|
||||
@item interrupt_handler
|
||||
@cindex interrupt handler functions on the m68k, H8/300 and SH processors
|
||||
Use this attribute on the m68k, H8/300, H8/300H, H8S, and SH to indicate that
|
||||
the specified function is an interrupt handler. The compiler will generate
|
||||
function entry and exit sequences suitable for use in an interrupt
|
||||
handler when this attribute is present.
|
||||
@cindex interrupt handler functions on the Blackfin, m68k, H8/300 and SH processors
|
||||
Use this attribute on the Blackfin, m68k, H8/300, H8/300H, H8S, and SH to
|
||||
indicate that the specified function is an interrupt handler. The compiler
|
||||
will generate function entry and exit sequences suitable for use in an
|
||||
interrupt handler when this attribute is present.
|
||||
|
||||
@item kspisusp
|
||||
@cindex User stack pointer in interrupts on the Blackfin
|
||||
When used together with @code{interrupt_handler}, @code{exception_handler}
|
||||
or @code{nmi_handler}, code will be generated to load the stack pointer
|
||||
from the USP register in the function prologue.
|
||||
|
||||
@item long_call/short_call
|
||||
@cindex indirect calls on ARM
|
||||
|
|
@ -1971,6 +1984,19 @@ use the normal calling convention based on @code{jsr} and @code{rts}.
|
|||
This attribute can be used to cancel the effect of the @option{-mlong-calls}
|
||||
option.
|
||||
|
||||
@item nesting
|
||||
@cindex Allow nesting in an interrupt handler on the Blackfin processor.
|
||||
Use this attribute together with @code{interrupt_handler},
|
||||
@code{exception_handler} or @code{nmi_handler} to indicate that the function
|
||||
entry code should enable nested interrupts or exceptions.
|
||||
|
||||
@item nmi_handler
|
||||
@cindex NMI handler functions on the Blackfin processor
|
||||
Use this attribute on the Blackfin to indicate that the specified function
|
||||
is an NMI handler. The compiler will generate function entry and
|
||||
exit sequences suitable for use in an NMI handler when this
|
||||
attribute is present.
|
||||
|
||||
@item no_instrument_function
|
||||
@cindex @code{no_instrument_function} function attribute
|
||||
@opindex finstrument-functions
|
||||
|
|
@ -2125,8 +2151,8 @@ The @code{longjmp}-like counterpart of such function, if any, might need
|
|||
to be marked with the @code{noreturn} attribute.
|
||||
|
||||
@item saveall
|
||||
@cindex save all registers on the H8/300, H8/300H, and H8S
|
||||
Use this attribute on the H8/300, H8/300H, and H8S to indicate that
|
||||
@cindex save all registers on the Blackfin, H8/300, H8/300H, and H8S
|
||||
Use this attribute on the Blackfin, H8/300, H8/300H, and H8S to indicate that
|
||||
all registers except the stack pointer should be saved in the prologue
|
||||
regardless of whether they are used or not.
|
||||
|
||||
|
|
|
|||
|
|
@ -2176,6 +2176,8 @@ GNU Compiler Collection on your machine.
|
|||
@item
|
||||
@uref{#avr,,avr}
|
||||
@item
|
||||
@uref{#bfin,,Blackfin}
|
||||
@item
|
||||
@uref{#c4x,,c4x}
|
||||
@item
|
||||
@uref{#dos,,DOS}
|
||||
|
|
@ -2487,6 +2489,23 @@ The following error:
|
|||
|
||||
indicates that you should upgrade to a newer version of the binutils.
|
||||
|
||||
@html
|
||||
<hr />
|
||||
@end html
|
||||
@heading @anchor{bfin}Blackfin
|
||||
|
||||
The Blackfin processor, an Analog Devices DSP.
|
||||
@ifnothtml
|
||||
@xref{Blackfin Options,, Blackfin Options, gcc, Using and Porting the GNU
|
||||
Compiler Collection (GCC)},
|
||||
@end ifnothtml
|
||||
@ifhtml
|
||||
See ``Blackfin Options'' in the main manual
|
||||
@end ifhtml
|
||||
|
||||
More information, and a version of binutils with support for this processor,
|
||||
is available at @uref{http://blackfin.uclinux.org}
|
||||
|
||||
@html
|
||||
<hr />
|
||||
@end html
|
||||
|
|
|
|||
|
|
@ -401,6 +401,11 @@ Objective-C and Objective-C++ Dialects}.
|
|||
@gccoptlist{-mmcu=@var{mcu} -msize -minit-stack=@var{n} -mno-interrupts @gol
|
||||
-mcall-prologues -mno-tablejump -mtiny-stack -mint8}
|
||||
|
||||
@emph{Blackfin Options}
|
||||
@gccoptlist{-momit-leaf-frame-pointer -mno-omit-leaf-frame-pointer -mcsync @gol
|
||||
-mno-csync -mlow-64k -mno-low64k -mid-shared-library @gol
|
||||
-mno-id-shared-library -mshared-library-id=@var{n} @gol}
|
||||
|
||||
@emph{CRIS Options}
|
||||
@gccoptlist{-mcpu=@var{cpu} -march=@var{cpu} -mtune=@var{cpu} @gol
|
||||
-mmax-stack-frame=@var{n} -melinux-stacksize=@var{n} @gol
|
||||
|
|
@ -6730,6 +6735,7 @@ that macro, which enables you to change the defaults.
|
|||
* ARC Options::
|
||||
* ARM Options::
|
||||
* AVR Options::
|
||||
* Blackfin Options::
|
||||
* CRIS Options::
|
||||
* Darwin Options::
|
||||
* DEC Alpha Options::
|
||||
|
|
@ -7181,6 +7187,57 @@ comply to the C standards, but it will provide you with smaller code
|
|||
size.
|
||||
@end table
|
||||
|
||||
@node Blackfin Options
|
||||
@subsection Blackfin Options
|
||||
@cindex Blackfin Options
|
||||
|
||||
@table @gcctabopt
|
||||
@item -momit-leaf-frame-pointer
|
||||
@opindex momit-leaf-frame-pointer
|
||||
Don't keep the frame pointer in a register for leaf functions. This
|
||||
avoids the instructions to save, set up and restore frame pointers and
|
||||
makes an extra register available in leaf functions. The option
|
||||
@option{-fomit-frame-pointer} removes the frame pointer for all functions
|
||||
which might make debugging harder.
|
||||
|
||||
@item -mcsync
|
||||
@opindex mcsync
|
||||
When enabled, the compiler will ensure that the generated code does not
|
||||
contain speculative loads after jump instructions. This option is enabled
|
||||
by default.
|
||||
|
||||
@item -mno-csync
|
||||
@opindex mno-csync
|
||||
Don't generate extra code to prevent speculative loads from occurring.
|
||||
|
||||
@item -mlow-64k
|
||||
@opindex
|
||||
When enabled, the compiler is free to take advantage of the knowledge that
|
||||
the entire program fits into the low 64k of memory.
|
||||
|
||||
@item -mno-low-64k
|
||||
@opindex mno-low-64k
|
||||
Assume that the program is arbitrarily large. This is the default.
|
||||
|
||||
@item -mid-shared-library
|
||||
@opindex mid-shared-library
|
||||
Generate code that supports shared libraries via the library ID method.
|
||||
This allows for execute in place and shared libraries in an environment
|
||||
without virtual memory management. This option implies @option{-fPIC}.
|
||||
|
||||
@item -mno-id-shared-library
|
||||
@opindex mno-id-shared-library
|
||||
Generate code that doesn't assume ID based shared libraries are being used.
|
||||
This is the default.
|
||||
|
||||
@item -mshared-library-id=n
|
||||
@opindex mshared-library-id
|
||||
Specified the identification number of the ID based shared library being
|
||||
compiled. Specifying a value of 0 will generate more compact code, specifying
|
||||
other values will force the allocation of that number to the current
|
||||
library but is no more space or time efficient than omitting this option.
|
||||
@end table
|
||||
|
||||
@node CRIS Options
|
||||
@subsection CRIS Options
|
||||
@cindex CRIS Options
|
||||
|
|
|
|||
|
|
@ -2069,6 +2069,102 @@ range of 1 to 2047.
|
|||
|
||||
@end table
|
||||
|
||||
@item Blackfin family---@file{bfin.h}
|
||||
@table @code
|
||||
@item a
|
||||
P register
|
||||
|
||||
@item d
|
||||
D register
|
||||
|
||||
@item z
|
||||
A call clobbered P register.
|
||||
|
||||
@item D
|
||||
Even-numbered D register
|
||||
|
||||
@item W
|
||||
Odd-numbered D register
|
||||
|
||||
@item e
|
||||
Accumulator register.
|
||||
|
||||
@item A
|
||||
Even-numbered accumulator register.
|
||||
|
||||
@item B
|
||||
Odd-numbered accumulator register.
|
||||
|
||||
@item b
|
||||
I register
|
||||
|
||||
@item B
|
||||
B register
|
||||
|
||||
@item f
|
||||
M register
|
||||
|
||||
@item c
|
||||
Registers used for circular buffering, i.e. I, B, or L registers.
|
||||
|
||||
@item C
|
||||
The CC register.
|
||||
|
||||
@item x
|
||||
Any D, P, B, M, I or L register.
|
||||
|
||||
@item y
|
||||
Additional registers typically used only in prologues and epilogues: RETS,
|
||||
RETN, RETI, RETX, RETE, ASTAT, SEQSTAT and USP.
|
||||
|
||||
@item w
|
||||
Any register except accumulators or CC.
|
||||
|
||||
@item Ksh
|
||||
Signed 16 bit integer (in the range -32768 to 32767)
|
||||
|
||||
@item Kuh
|
||||
Unsigned 16 bit integer (in the range 0 to 65535)
|
||||
|
||||
@item Ks7
|
||||
Signed 7 bit integer (in the range -64 to 63)
|
||||
|
||||
@item Ku7
|
||||
Unsigned 7 bit integer (in the range 0 to 127)
|
||||
|
||||
@item Ku5
|
||||
Unsigned 5 bit integer (in the range 0 to 31)
|
||||
|
||||
@item Ks4
|
||||
Signed 4 bit integer (in the range -8 to 7)
|
||||
|
||||
@item Ks3
|
||||
Signed 3 bit integer (in the range -3 to 4)
|
||||
|
||||
@item Ku3
|
||||
Unsigned 3 bit integer (in the range 0 to 7)
|
||||
|
||||
@item P@var{n}
|
||||
Constant @var{n}, where @var{n} is a single-digit constant in the range 0 to 4.
|
||||
|
||||
@item M1
|
||||
Constant 255.
|
||||
|
||||
@item M2
|
||||
Constant 65535.
|
||||
|
||||
@item J
|
||||
An integer constant with exactly a single bit set.
|
||||
|
||||
@item L
|
||||
An integer constant with all bits set except exactly one.
|
||||
|
||||
@item H
|
||||
|
||||
@item Q
|
||||
Any SYMBOL_REF.
|
||||
@end table
|
||||
|
||||
@item IP2K---@file{ip2k.h}
|
||||
@table @code
|
||||
@item a
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue