2005-03-30 Richard Sandiford <rsandifo@redhat.com>
+ * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
+ (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
+ (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
+ (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
+ (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
+ (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
+ than target_flags & 0.
+ * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
+ (iq2000_arch, iq2000_parse_cpu): Delete.
+ (TARGET_HANDLE_OPTION): Override default.
+ (iq2000_handle_option): New function.
+ (override_options): Remove -march= and -mcpu= handling.
+ * config/iq2000/iq2000.opt: New file.
+
+2005-03-30 Richard Sandiford <rsandifo@redhat.com>
+
* config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
* config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
(RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
/* What type of branch to use. */
enum cmp_type branch_type;
-/* Strings to hold which cpu and instruction set architecture to use. */
-const char * iq2000_cpu_string; /* For -mcpu=<xxx>. */
-const char * iq2000_arch_string; /* For -march=<xxx>. */
-
-
/* Local variables. */
/* The next branch instruction is a branch likely, not branch normal. */
static rtx iq2000_load_reg3;
static rtx iq2000_load_reg4;
-/* The target cpu for code generation. */
-static enum processor_type iq2000_arch;
-
/* Mode used for saving/restoring general purpose registers. */
static enum machine_mode gpr_mode;
\f
/* Initialize the GCC target structure. */
static struct machine_function* iq2000_init_machine_status (void);
+static bool iq2000_handle_option (size_t, const char *, int);
static void iq2000_select_rtx_section (enum machine_mode, rtx, unsigned HOST_WIDE_INT);
static void iq2000_init_builtins (void);
static rtx iq2000_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
#define TARGET_EXPAND_BUILTIN iq2000_expand_builtin
#undef TARGET_ASM_SELECT_RTX_SECTION
#define TARGET_ASM_SELECT_RTX_SECTION iq2000_select_rtx_section
+#undef TARGET_HANDLE_OPTION
+#define TARGET_HANDLE_OPTION iq2000_handle_option
#undef TARGET_RTX_COSTS
#define TARGET_RTX_COSTS iq2000_rtx_costs
#undef TARGET_ADDRESS_COST
return f;
}
-static enum processor_type
-iq2000_parse_cpu (const char * cpu_string)
-{
- const char *p = cpu_string;
- enum processor_type cpu;
+/* Implement TARGET_HANDLE_OPTION. */
- cpu = PROCESSOR_DEFAULT;
- switch (p[2])
+static bool
+iq2000_handle_option (size_t code, const char *arg, int value ATTRIBUTE_UNUSED)
+{
+ switch (code)
{
- case '1':
- if (!strcmp (p, "iq10"))
- cpu = PROCESSOR_IQ10;
- break;
- case '2':
- if (!strcmp (p, "iq2000"))
- cpu = PROCESSOR_IQ2000;
- break;
- }
+ case OPT_mcpu_:
+ if (strcmp (arg, "iq10") == 0)
+ iq2000_tune = PROCESSOR_IQ10;
+ else if (strcmp (arg, "iq2000") == 0)
+ iq2000_tune = PROCESSOR_IQ2000;
+ else
+ return false;
+ return true;
- return cpu;
+ case OPT_march_:
+ /* This option has no effect at the moment. */
+ return (strcmp (arg, "default") == 0
+ || strcmp (arg, "DEFAULT") == 0
+ || strcmp (arg, "iq2000") == 0);
+
+ default:
+ return true;
+ }
}
/* Detect any conflicts in the switches. */
void
override_options (void)
{
- enum processor_type iq2000_cpu;
-
target_flags &= ~MASK_GPOPT;
iq2000_isa = IQ2000_ISA_DEFAULT;
/* Identify the processor type. */
- if (iq2000_cpu_string != 0)
- {
- iq2000_cpu = iq2000_parse_cpu (iq2000_cpu_string);
- if (iq2000_cpu == PROCESSOR_DEFAULT)
- {
- error ("bad value (%s) for -mcpu= switch", iq2000_arch_string);
- iq2000_cpu_string = "default";
- }
- iq2000_arch = iq2000_cpu;
- iq2000_tune = iq2000_cpu;
- }
-
- if (iq2000_arch_string == 0
- || ! strcmp (iq2000_arch_string, "default")
- || ! strcmp (iq2000_arch_string, "DEFAULT"))
- {
- switch (iq2000_isa)
- {
- default:
- iq2000_arch_string = "iq2000";
- iq2000_arch = PROCESSOR_IQ2000;
- break;
- }
- }
- else
- {
- iq2000_arch = iq2000_parse_cpu (iq2000_arch_string);
- if (iq2000_arch == PROCESSOR_DEFAULT)
- {
- error ("bad value (%s) for -march= switch", iq2000_arch_string);
- iq2000_arch_string = "default";
- }
- if (iq2000_arch == PROCESSOR_IQ10)
- {
- error ("The compiler does not support -march=%s.", iq2000_arch_string);
- iq2000_arch_string = "default";
- }
- }
-
iq2000_print_operand_punct['?'] = 1;
iq2000_print_operand_punct['#'] = 1;
iq2000_print_operand_punct['&'] = 1;
} \
while (0)
-extern int target_flags;
-
-#define MASK_GPOPT 0x00000008 /* Optimize for global pointer. */
-#define MASK_EMBEDDED_DATA 0x00008000 /* Reduce RAM usage, not fast code. */
-#define MASK_UNINIT_CONST_IN_RODATA \
- 0x00800000 /* Store uninitialized
- consts in rodata. */
-
/* Macros used in the machine description to test the flags. */
#define TARGET_STATS 0
-/* For embedded systems, optimize for reduced RAM space instead of for
- fastest code. */
-#define TARGET_EMBEDDED_DATA (target_flags & MASK_EMBEDDED_DATA)
-
-#define TARGET_DEBUG_MODE (target_flags & 0)
-#define TARGET_DEBUG_A_MODE (target_flags & 0)
-#define TARGET_DEBUG_B_MODE (target_flags & 0)
-#define TARGET_DEBUG_C_MODE (target_flags & 0)
-#define TARGET_DEBUG_D_MODE (target_flags & 0)
-
-#define TARGET_SWITCHES \
-{ \
- {"no-crt0", 0, \
- N_("No default crt0.o") }, \
- {"gpopt", MASK_GPOPT, \
- N_("Use GP relative sdata/sbss sections")}, \
- {"no-gpopt", -MASK_GPOPT, \
- N_("Don't use GP relative sdata/sbss sections")}, \
- {"embedded-data", MASK_EMBEDDED_DATA, \
- N_("Use ROM instead of RAM")}, \
- {"no-embedded-data", -MASK_EMBEDDED_DATA, \
- N_("Don't use ROM instead of RAM")}, \
- {"uninit-const-in-rodata", MASK_UNINIT_CONST_IN_RODATA, \
- N_("Put uninitialized constants in ROM (needs -membedded-data)")}, \
- {"no-uninit-const-in-rodata", -MASK_UNINIT_CONST_IN_RODATA, \
- N_("Don't put uninitialized constants in ROM")}, \
- {"", (TARGET_DEFAULT \
- | TARGET_CPU_DEFAULT), \
- NULL}, \
-}
-
-/* Default target_flags if no switches are specified. */
-
-#define TARGET_DEFAULT 0
-
-#ifndef TARGET_CPU_DEFAULT
-#define TARGET_CPU_DEFAULT 0
-#endif
+#define TARGET_DEBUG_MODE 0
+#define TARGET_DEBUG_A_MODE 0
+#define TARGET_DEBUG_B_MODE 0
+#define TARGET_DEBUG_C_MODE 0
+#define TARGET_DEBUG_D_MODE 0
#ifndef IQ2000_ISA_DEFAULT
#define IQ2000_ISA_DEFAULT 1
#endif
-#define TARGET_OPTIONS \
-{ \
- SUBTARGET_TARGET_OPTIONS \
- { "cpu=", & iq2000_cpu_string, \
- N_("Specify CPU for scheduling purposes")}, \
- { "arch=", & iq2000_arch_string, \
- N_("Specify CPU for code generation purposes")}, \
-}
-
-/* This is meant to be redefined in the host dependent files. */
-#define SUBTARGET_TARGET_OPTIONS
-
#define IQ2000_VERSION "[1.0]"
#ifndef MACHINE_TYPE
/* What type of branch to use. */
extern enum cmp_type branch_type;
-/* Strings to hold which cpu and instruction set architecture to use. */
-extern const char * iq2000_cpu_string; /* For -mcpu=<xxx>. */
-extern const char * iq2000_arch_string; /* For -march=<xxx>. */
-
-
-
enum iq2000_builtins
{
IQ2000_BUILTIN_ADO16,
--- /dev/null
+; Options for the Vitesse IQ2000 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.
+
+march=
+Target RejectNegative Joined
+Specify CPU for code generation purposes
+
+mcpu=
+Target RejectNegative Joined
+Specify CPU for scheduling purposes
+
+membedded-data
+Target Mask(EMBEDDED_DATA)
+Use ROM instead of RAM
+
+mgpopt
+Target Mask(GPOPT)
+Use GP relative sdata/sbss sections
+
+; Not used by the compiler proper.
+mno-crt0
+Target RejectNegative
+No default crt0.o
+
+muninit-const-in-rodata
+Target Mask(UNINIT_CONST_IN_RODATA)
+Put uninitialized constants in ROM (needs -membedded-data)
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