Commit 4af06170 by Richard Sandiford Committed by Richard Sandiford

config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.

	* config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
	* config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
	(MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
	(TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
	(MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
	(TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
	(MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
	(MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
	(MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
	(TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
	(TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
	(TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
	(MASK_COLDFIRE): Formatting fixes.
	(TARGET_COLDFIRE): Turn into a boolean value for consistency.
	* config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
	* config/m68k/m68k.c (m68k_library_id_string): Initialize to
	"_current_shared_library_a5_offset_".
	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
	(MASK_ALL_CPU_BITS): New macro.
	(m68k_handle_option): New function.
	(override_options): Remove handling of m68k_library_id_string.
	* config/m68k/m68k.opt: New file.
	* config/m68k/ieee.opt: New file.

From-SVN: r98017
parent 0b026622
2005-04-12 Richard Sandiford <rsandifo@redhat.com>
* config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
* config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
(MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
(TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
(MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
(TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
(MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
(MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
(MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
(TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
(TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
(TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
(MASK_COLDFIRE): Formatting fixes.
(TARGET_COLDFIRE): Turn into a boolean value for consistency.
* config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
* config/m68k/m68k.c (m68k_library_id_string): Initialize to
"_current_shared_library_a5_offset_".
(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
(MASK_ALL_CPU_BITS): New macro.
(m68k_handle_option): New function.
(override_options): Remove handling of m68k_library_id_string.
* config/m68k/m68k.opt: New file.
* config/m68k/ieee.opt: New file.
2005-04-11 Mark Mitchell <mark@codesourcery.com>
* target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
......
......@@ -1359,6 +1359,7 @@ m68k-*-linux*) # Motorola m68k's running GNU/Linux
# with ELF format using glibc 2
# aka the GNU/Linux C library 6.
tm_file="m68k/m68k.h dbxelf.h elfos.h svr4.h linux.h m68k/linux.h"
extra_options="${extra_options} m68k/ieee.opt"
tm_defines="MOTOROLA USE_GAS"
# if not configured with --enable-sjlj-exceptions, bump the
# libgcc version number
......
; Extra IEEE options for the Motorola 68000 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.
; This option is ignored by gcc
mieee-fp
Target RejectNegative
Use IEEE math for fp comparisons
......@@ -37,10 +37,6 @@ Boston, MA 02111-1307, USA. */
#undef STRICT_ALIGNMENT
#define STRICT_ALIGNMENT 0
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES {"ieee-fp", 0, \
N_("Use IEEE math for fp comparisons")},
/* Here are four prefixes that are used by asm_fprintf to
facilitate customization for alternate assembler syntaxes.
Machines with no likelihood of an alternate syntax need not
......
......@@ -103,6 +103,7 @@ struct m68k_frame
/* Current frame information calculated by m68k_compute_frame_layout(). */
static struct m68k_frame current_frame;
static bool m68k_handle_option (size_t, const char *, int);
static rtx find_addr_reg (rtx);
static const char *singlemove_string (rtx *);
static void m68k_output_function_prologue (FILE *, HOST_WIDE_INT);
......@@ -124,7 +125,7 @@ static bool m68k_rtx_costs (rtx, int, int, int *);
/* Specify the identification number of the library being built */
const char *m68k_library_id_string;
const char *m68k_library_id_string = "_current_shared_library_a5_offset_";
/* Nonzero if the last compare/test insn had FP operands. The
sCC expanders peek at this to determine what to do for the
......@@ -174,6 +175,11 @@ int m68k_last_compare_had_fp_operands;
#undef TARGET_ASM_FILE_START_APP_OFF
#define TARGET_ASM_FILE_START_APP_OFF true
#undef TARGET_DEFAULT_TARGET_FLAGS
#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | MASK_STRICT_ALIGNMENT)
#undef TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION m68k_handle_option
#undef TARGET_RTX_COSTS
#define TARGET_RTX_COSTS m68k_rtx_costs
......@@ -195,6 +201,107 @@ static const struct attribute_spec m68k_attribute_table[] =
struct gcc_target targetm = TARGET_INITIALIZER;
/* These bits are controlled by all CPU selection options. Many options
also control MASK_68881, but some (notably -m68020) leave it alone. */
#define MASK_ALL_CPU_BITS \
(MASK_COLDFIRE | MASK_CF_HWDIV | MASK_68060 | MASK_68040 \
| MASK_68040_ONLY | MASK_68030 | MASK_68020 | MASK_BITFIELD)
/* Implement TARGET_HANDLE_OPTION. */
static bool
m68k_handle_option (size_t code, const char *arg, int value)
{
switch (code)
{
case OPT_m5200:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
target_flags |= MASK_5200;
return true;
case OPT_m5206e:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
target_flags |= MASK_5200 | MASK_CF_HWDIV;
return true;
case OPT_m528x:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
target_flags |= MASK_528x | MASK_CF_HWDIV;
return true;
case OPT_m5307:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
target_flags |= MASK_CFV3 | MASK_CF_HWDIV;
return true;
case OPT_m5407:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
target_flags |= MASK_CFV4 | MASK_CF_HWDIV;
return true;
case OPT_m68000:
case OPT_mc68000:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
return true;
case OPT_m68020:
case OPT_mc68020:
target_flags &= ~MASK_ALL_CPU_BITS;
target_flags |= MASK_68020 | MASK_BITFIELD;
return true;
case OPT_m68020_40:
target_flags &= ~MASK_ALL_CPU_BITS;
target_flags |= MASK_BITFIELD | MASK_68881 | MASK_68020 | MASK_68040;
return true;
case OPT_m68020_60:
target_flags &= ~MASK_ALL_CPU_BITS;
target_flags |= (MASK_BITFIELD | MASK_68881 | MASK_68020
| MASK_68040 | MASK_68060);
return true;
case OPT_m68030:
target_flags &= ~MASK_ALL_CPU_BITS;
target_flags |= MASK_68020 | MASK_68030 | MASK_BITFIELD;
return true;
case OPT_m68040:
target_flags &= ~MASK_ALL_CPU_BITS;
target_flags |= (MASK_68020 | MASK_68881 | MASK_BITFIELD
| MASK_68040_ONLY | MASK_68040);
return true;
case OPT_m68060:
target_flags &= ~MASK_ALL_CPU_BITS;
target_flags |= (MASK_68020 | MASK_68881 | MASK_BITFIELD
| MASK_68040_ONLY | MASK_68060);
return true;
case OPT_m68302:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
return true;
case OPT_m68332:
case OPT_mcpu32:
target_flags &= ~(MASK_ALL_CPU_BITS | MASK_68881);
target_flags |= MASK_68020;
return true;
case OPT_mshared_library_id_:
if (value > MAX_LIBRARY_ID)
error ("-mshared-library-id=%s is not between 0 and %d",
arg, MAX_LIBRARY_ID);
else
asprintf ((char **) &m68k_library_id_string, "%d", (value * -4) - 4);
return true;
default:
return true;
}
}
/* Sometimes certain combinations of command options do not make
sense on a particular target machine. You can define a macro
`OVERRIDE_OPTIONS' to take account of this. This macro, if
......@@ -207,25 +314,6 @@ struct gcc_target targetm = TARGET_INITIALIZER;
void
override_options (void)
{
/* Library identification */
if (m68k_library_id_string)
{
int id;
if (! TARGET_ID_SHARED_LIBRARY)
error ("-mshared-library-id= specified without -mid-shared-library");
id = atoi (m68k_library_id_string);
if (id < 0 || id > MAX_LIBRARY_ID)
error ("-mshared-library-id=%d is not between 0 and %d", id, MAX_LIBRARY_ID);
/* From now on, m68k_library_id_string will contain the library offset. */
asprintf ((char **)&m68k_library_id_string, "%d", (id * -4) - 4);
}
else
/* If TARGET_ID_SHARED_LIBRARY is enabled, this will point to the
current library. */
m68k_library_id_string = "_current_shared_library_a5_offset_";
/* Sanity check to ensure that msep-data and mid-sahred-library are not
* both specified together. Doing so simply doesn't make sense.
*/
......
; Options for the Motorola 68000 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.
m5200
Target RejectNegative Mask(5200)
Generate code for a 520X
m5206e
Target RejectNegative Mask(CF_HWDIV)
Generate code for a 5206e
m528x
Target RejectNegative Mask(528x)
Generate code for a 528x
m5307
Target RejectNegative Mask(CFV3)
Generate code for a 5307
m5407
Target RejectNegative Mask(CFV4)
Generate code for a 5407
m68000
Target RejectNegative
Generate code for a 68000
m68020
Target RejectNegative Mask(68020)
Generate code for a 68020
m68020-40
Target RejectNegative Mask(68040)
Generate code for a 68040, without any new instructions
m68020-60
Target RejectNegative Mask(68060)
Generate code for a 68060, without any new instructions
m68030
Target RejectNegative Mask(68030)
Generate code for a 68030
m68040
Target RejectNegative Mask(68040_ONLY)
Generate code for a 68040
m68060
Target RejectNegative
Generate code for a 68060
m68302
Target RejectNegative
Generate code for a 68302
m68332
Target RejectNegative
Generate code for a 68332
; Has no effect on gcc
m68851
Target
Generate code for a 68851
m68881
Target RejectNegative Mask(68881)
Generate code that uses 68881 floating-point instructions
malign-int
Target Report Mask(ALIGN_INT)
Align variables on a 32-bit boundary
mbitfield
Target Report RejectNegative Mask(BITFIELD)
Use the bit-field instructions
mc68000
Target RejectNegative
Generate code for a 68000
mc68020
Target RejectNegative
Generate code for a 68020
mcpu32
Target RejectNegative
Generate code for a cpu32
mid-shared-library
Target Report Mask(ID_SHARED_LIBRARY)
Enable ID based shared library
mnobitfield
Target RejectNegative InverseMask(BITFIELD)
Do not use the bit-field instructions
mnortd
Target RejectNegative InverseMask(RTD)
Use normal calling convention
mnoshort
Target RejectNegative InverseMask(SHORT)
Consider type 'int' to be 32 bits wide
mpcrel
Target Report Mask(PCREL)
Generate pc-relative code
mrtd
Target Report RejectNegative Mask(RTD)
Use different calling convention using 'rtd'
msep-data
Target Report Mask(SEP_DATA)
Enable separate data segment
mshared-library-id=
Target RejectNegative Joined UInteger
ID of shared library to build
mshort
Target Report RejectNegative Mask(SHORT)
Consider type 'int' to be 16 bits wide
msoft-float
Target RejectNegative InverseMask(68881)
Generate code with library calls for floating point
mstrict-align
Target Report Mask(STRICT_ALIGNMENT)
Do not use unaligned memory references
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