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* config/rx-defs.h: Add macros for RX100, RX200, RX600, and

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RX610.
        * config/rx-parse.y: (rx_check_float_support): Add function to
	check floating point operation support for target RX100 and
	RX200.
        * config/tc-rx.c: Add CPU options RX100, RX200, RX600, and RX610.
        * doc/c-rx.texi: Add -mcpu option to recognize macros for RX100,
        RX200, RX600, and RX610
This commit is contained in:
Nick Clifton 2013-07-18 12:15:15 +00:00
parent 39f2162499
commit f0c0028234
5 changed files with 66 additions and 14 deletions
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11
gas/ChangeLog
View file

@ -1,3 +1,14 @@
2013-07-18 Sandeep Kumar Singh <Sandeep.Singh2@kpitcummins.com>
* config/rx-defs.h: Add macros for RX100, RX200, RX600, and
RX610.
* config/rx-parse.y: (rx_check_float_support): Add function to
check floating point operation support for target RX100 and
RX200.
* config/tc-rx.c: Add CPU options RX100, RX200, RX600, and RX610.
* doc/c-rx.texi: Add -mcpu option to recognize macros for RX100,
RX200, RX600, and RX610
2013-07-18 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
* config/tc-avr.c (md_show_usage): Add avrxmega2 to help text

17
gas/config/rx-defs.h
View file

@ -1,6 +1,5 @@
/* rx-defs.h Renesas RX internal definitions
Copyright 2008, 2009
Free Software Foundation, Inc.
Copyright 2008-2013 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -20,7 +19,7 @@
02110-1301, USA. */
#ifndef RX_DEFS_H
#define RX_DEFS_H
#define RX_DEFS_H
/* Third operand to rx_op. */
#define RXREL_SIGNED 0
@ -34,8 +33,17 @@
#define RX_RELAX_IMM 2
#define RX_RELAX_DISP 3
enum rx_cpu_types
{
RX600,
RX610,
RX200,
RX100
};
extern int rx_pid_register;
extern int rx_gp_register;
extern enum rx_cpu_types rx_cpu;
extern int rx_error (const char *);
extern void rx_lex_init (char *, char *);
@ -57,4 +65,5 @@ extern int rx_wrap (void);
extern char * rx_lex_start;
extern char * rx_lex_end;
#endif
#endif /* RX_DEFS_H */

18
gas/config/rx-parse.y
View file

@ -1,6 +1,5 @@
/* rx-parse.y Renesas RX parser
Copyright 2008, 2009
Free Software Foundation, Inc.
Copyright 2008-2013 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -104,6 +103,7 @@ static int sizemap[] = { BSIZE, WSIZE, LSIZE, WSIZE };
#define id24(a,b2,b3) B3 (0xfb+a, b2, b3)
static void rx_check_float_support (void);
static int rx_intop (expressionS, int, int);
static int rx_uintop (expressionS, int);
static int rx_disp3op (expressionS);
@ -881,17 +881,16 @@ op_shift
;
float2_op
: '#' EXPR ',' REG
{ id24 (2, 0x72, sub_op << 4); F ($4, 20, 4); O4 ($2); }
{ rx_check_float_support (); id24 (2, 0x72, sub_op << 4); F ($4, 20, 4); O4 ($2); }
| float2_op_ni
;
float2_op_ni
: REG ',' REG
{ id24 (1, 0x83 + (sub_op << 2), 0); F ($1, 16, 4); F ($3, 20, 4); }
{ rx_check_float_support (); id24 (1, 0x83 + (sub_op << 2), 0); F ($1, 16, 4); F ($3, 20, 4); }
| disp '[' REG ']' opt_l ',' REG
{ id24 (1, 0x80 + (sub_op << 2), 0); F ($3, 16, 4); F ($7, 20, 4); DSP ($1, 14, LSIZE); }
{ rx_check_float_support (); id24 (1, 0x80 + (sub_op << 2), 0); F ($3, 16, 4); F ($7, 20, 4); DSP ($1, 14, LSIZE); }
;
/* ====================================================================== */
@ -1629,3 +1628,10 @@ rx_range (expressionS exp, int minv, int maxv)
if (val < minv || val > maxv)
as_warn (_("Value %d out of range %d..%d"), val, minv, maxv);
}
static void
rx_check_float_support (void)
{
if (rx_cpu == RX100 || rx_cpu == RX200)
rx_error (_("target CPU type does not support floating point instructions"));
}

24
gas/config/tc-rx.c
View file

@ -1,6 +1,5 @@
/* tc-rx.c -- Assembler for the Renesas RX
Copyright 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Copyright 2008-2013 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -56,6 +55,8 @@ static int rx_num_int_regs = 0;
int rx_pid_register;
int rx_gp_register;
enum rx_cpu_types rx_cpu = RX600;
static void rx_fetchalign (int ignore ATTRIBUTE_UNUSED);
enum options
@ -72,6 +73,7 @@ enum options
OPTION_INT_REGS,
OPTION_USES_GCC_ABI,
OPTION_USES_RX_ABI,
OPTION_CPU,
};
#define RX_SHORTOPTS ""
@ -98,6 +100,7 @@ struct option md_longopts[] =
{"mint-register", required_argument, NULL, OPTION_INT_REGS},
{"mgcc-abi", no_argument, NULL, OPTION_USES_GCC_ABI},
{"mrx-abi", no_argument, NULL, OPTION_USES_RX_ABI},
{"mcpu",required_argument,NULL,OPTION_CPU},
{NULL, no_argument, NULL, 0}
};
size_t md_longopts_size = sizeof (md_longopts);
@ -155,6 +158,22 @@ md_parse_option (int c ATTRIBUTE_UNUSED, char * arg ATTRIBUTE_UNUSED)
case OPTION_USES_RX_ABI:
elf_flags |= E_FLAG_RX_ABI;
return 1;
case OPTION_CPU:
if (strcasecmp (arg, "rx100") == 0)
rx_cpu = RX100;
else if (strcasecmp (arg, "rx200") == 0)
rx_cpu = RX200;
else if (strcasecmp (arg, "rx600") == 0)
rx_cpu = RX600;
else if (strcasecmp (arg, "rx610") == 0)
rx_cpu = RX610;
else
{
as_warn (_("unrecognised RX CPU type %s"), arg);
break;
}
return 1;
}
return 0;
}
@ -173,6 +192,7 @@ md_show_usage (FILE * stream)
fprintf (stream, _(" --mrelax\n"));
fprintf (stream, _(" --mpid\n"));
fprintf (stream, _(" --mint-register=<value>\n"));
fprintf (stream, _(" --mcpu=<rx100|rx200|rx600|rx610>\n"));
}
static void

10
gas/doc/c-rx.texi
View file

@ -1,5 +1,4 @@
@c Copyright 2008, 2009, 2011
@c Free Software Foundation, Inc.
@c Copyright 2008-2013 Free Software Foundation, Inc.
@c This is part of the GAS manual.
@c For copying conditions, see the file as.texinfo.
@ifset GENERIC
@ -106,6 +105,13 @@ by the assembled code. With this version of the ABI function
arguments that are passed on the stack are aligned to their natural
alignments. This option is the default.
@cindex @samp{-mcpu=}
@item -mcpu=@var{name}
This option tells the assembler the target CPU type. Currently the
@code{rx200}, @code{rx600} and @code{rx610} are recognised as valid
cpu names. Attempting to assemble an instruction not supported by the
indicated cpu type will result in an error message being generated.
@end table
@node RX-Modifiers