{
register const char *retval = NULL;
int i = 0;
- const char *cpu;
- char *a = NULL;
int broken = 0;
- int mips_isa_from_cpu;
- int target_cpu_had_mips16 = 0;
- const struct mips_cpu_info *ci;
-
- /* GP relative stuff not working for PE */
- if (strncmp (TARGET_OS, "pe", 2) == 0
- && g_switch_value != 0)
- {
- if (g_switch_seen)
- as_bad (_("-G not supported in this configuration."));
- g_switch_value = 0;
- }
-
- cpu = TARGET_CPU;
- if (strcmp (cpu + (sizeof TARGET_CPU) - 3, "el") == 0)
- {
- a = xmalloc (sizeof TARGET_CPU);
- strcpy (a, TARGET_CPU);
- a[(sizeof TARGET_CPU) - 3] = '\0';
- cpu = a;
- }
-
- if (strncmp (cpu, "mips16", sizeof "mips16" - 1) == 0)
- {
- target_cpu_had_mips16 = 1;
- cpu += sizeof "mips16" - 1;
- }
-
- if (mips_opts.mips16 < 0)
- mips_opts.mips16 = target_cpu_had_mips16;
-
- /* Backward compatibility for historic -mcpu= option. Check for
- incompatible options, warn if -mcpu is used. */
- if (mips_cpu != CPU_UNKNOWN
- && mips_arch != CPU_UNKNOWN
- && mips_cpu != mips_arch)
- {
- as_fatal (_("The -mcpu option can't be used together with -march. "
- "Use -mtune instead of -mcpu."));
- }
-
- if (mips_cpu != CPU_UNKNOWN
- && mips_tune != CPU_UNKNOWN
- && mips_cpu != mips_tune)
- {
- as_fatal (_("The -mcpu option can't be used together with -mtune. "
- "Use -march instead of -mcpu."));
- }
-
-#if 1
- /* For backward compatibility, let -mipsN set various defaults. */
- /* This code should go away, to be replaced with something rather more
- draconian. Until GCC 3.1 has been released for some reasonable
- amount of time, however, we need to support this. */
- if (mips_opts.isa != ISA_UNKNOWN)
- {
- /* Translate -mipsN to the appropriate settings of file_mips_gp32
- and file_mips_fp32. Tag binaries as using the mipsN ISA. */
- if (file_mips_gp32 < 0)
- {
- if (ISA_HAS_64BIT_REGS (mips_opts.isa))
- file_mips_gp32 = 0;
- else
- file_mips_gp32 = 1;
- }
- if (file_mips_fp32 < 0)
- {
- if (ISA_HAS_64BIT_REGS (mips_opts.isa))
- file_mips_fp32 = 0;
- else
- file_mips_fp32 = 1;
- }
-
- ci = mips_cpu_info_from_isa (mips_opts.isa);
- assert (ci != NULL);
- /* -mipsN has higher priority than -mcpu but lower than -march. */
- if (mips_arch == CPU_UNKNOWN)
- mips_arch = ci->cpu;
-
- /* Default mips_abi. */
- if (mips_opts.abi == NO_ABI)
- {
- if (mips_opts.isa == ISA_MIPS1 || mips_opts.isa == ISA_MIPS2)
- mips_opts.abi = O32_ABI;
- else if (mips_opts.isa == ISA_MIPS3 || mips_opts.isa == ISA_MIPS4)
- mips_opts.abi = O64_ABI;
- }
- }
-
- if (mips_arch == CPU_UNKNOWN && mips_cpu != CPU_UNKNOWN)
- {
- ci = mips_cpu_info_from_cpu (mips_cpu);
- assert (ci != NULL);
- mips_arch = ci->cpu;
- as_warn (_("The -mcpu option is deprecated. Please use -march and "
- "-mtune instead."));
- }
-
- /* Set tune from -mcpu, not from -mipsN. */
- if (mips_tune == CPU_UNKNOWN && mips_cpu != CPU_UNKNOWN)
- {
- ci = mips_cpu_info_from_cpu (mips_cpu);
- assert (ci != NULL);
- mips_tune = ci->cpu;
- }
-
- /* At this point, mips_arch will either be CPU_UNKNOWN if no ARCH was
- specified on the command line, or some other value if one was.
- Similarly, mips_opts.isa will be ISA_UNKNOWN if not specified on
- the command line, or will be set otherwise if one was. */
-
- if (mips_arch != CPU_UNKNOWN && mips_opts.isa != ISA_UNKNOWN)
- /* Handled above. */;
-#else
- if (mips_arch == CPU_UNKNOWN && mips_cpu != CPU_UNKNOWN)
- {
- ci = mips_cpu_info_from_cpu (mips_cpu);
- assert (ci != NULL);
- mips_arch = ci->cpu;
- as_warn (_("The -mcpu option is deprecated. Please use -march and "
- "-mtune instead."));
- }
-
- /* At this point, mips_arch will either be CPU_UNKNOWN if no ARCH was
- specified on the command line, or some other value if one was.
- Similarly, mips_opts.isa will be ISA_UNKNOWN if not specified on
- the command line, or will be set otherwise if one was. */
-
- if (mips_arch != CPU_UNKNOWN && mips_opts.isa != ISA_UNKNOWN)
- {
- /* We have to check if the isa is the default isa of arch. Otherwise
- we'll get invalid object file headers. */
- ci = mips_cpu_info_from_cpu (mips_arch);
- assert (ci != NULL);
- if (mips_opts.isa != ci->isa)
- {
- /* This really should be an error instead of a warning, but old
- compilers only have -mcpu which sets both arch and tune. For
- now, we discard arch and preserve tune. */
- as_warn (_("The -march option is incompatible to -mipsN and "
- "therefore ignored."));
- if (mips_tune == CPU_UNKNOWN)
- mips_tune = mips_arch;
- ci = mips_cpu_info_from_isa (mips_opts.isa);
- assert (ci != NULL);
- mips_arch = ci->cpu;
- }
- }
-#endif
- else if (mips_arch != CPU_UNKNOWN && mips_opts.isa == ISA_UNKNOWN)
- {
- /* We have ARCH, we need ISA. */
- ci = mips_cpu_info_from_cpu (mips_arch);
- assert (ci != NULL);
- mips_opts.isa = ci->isa;
- }
- else if (mips_arch == CPU_UNKNOWN && mips_opts.isa != ISA_UNKNOWN)
- {
- /* We have ISA, we need default ARCH. */
- ci = mips_cpu_info_from_isa (mips_opts.isa);
- assert (ci != NULL);
- mips_arch = ci->cpu;
- }
- else
- {
- /* We need to set both ISA and ARCH from target cpu. */
- ci = mips_cpu_info_from_name (cpu);
- if (ci == NULL)
- ci = mips_cpu_info_from_cpu (CPU_R3000);
- assert (ci != NULL);
- mips_opts.isa = ci->isa;
- mips_arch = ci->cpu;
- }
-
- if (mips_tune == CPU_UNKNOWN)
- mips_tune = mips_arch;
-
- ci = mips_cpu_info_from_cpu (mips_arch);
- assert (ci != NULL);
- mips_isa_from_cpu = ci->isa;
-
- /* End of TARGET_CPU processing, get rid of malloced memory
- if necessary. */
- cpu = NULL;
- if (a != NULL)
- {
- free (a);
- a = NULL;
- }
-
- if (mips_opts.isa == ISA_MIPS1 && mips_trap)
- as_bad (_("trap exception not supported at ISA 1"));
-
- /* Set the EABI kind based on the ISA before the user gets
- to change the ISA with directives. This isn't really
- the best, but then neither is basing the abi on the isa. */
- if (ISA_HAS_64BIT_REGS (mips_opts.isa)
- && mips_opts.abi == EABI_ABI)
- mips_eabi64 = 1;
-
- /* If they asked for mips1 or mips2 and a cpu that is
- mips3 or greater, then mark the object file 32BITMODE. */
- if (mips_isa_from_cpu != ISA_UNKNOWN
- && ! ISA_HAS_64BIT_REGS (mips_opts.isa)
- && ISA_HAS_64BIT_REGS (mips_isa_from_cpu))
- mips_32bitmode = 1;
-
- /* If the selected architecture includes support for ASEs, enable
- generation of code for them. */
- if (mips_opts.ase_mips3d == -1 && CPU_HAS_MIPS3D (mips_arch))
- mips_opts.ase_mips3d = 1;
- if (mips_opts.ase_mdmx == -1 && CPU_HAS_MDMX (mips_arch))
- mips_opts.ase_mdmx = 1;
if (! bfd_set_arch_mach (stdoutput, bfd_arch_mips, mips_arch))
as_warn (_("Could not set architecture and machine"));
- if (file_mips_gp32 < 0)
- file_mips_gp32 = 0;
- if (file_mips_fp32 < 0)
- file_mips_fp32 = 0;
-
- file_mips_isa = mips_opts.isa;
- file_mips_abi = mips_opts.abi;
- file_ase_mips3d = mips_opts.ase_mips3d;
- file_ase_mdmx = mips_opts.ase_mdmx;
- mips_opts.gp32 = file_mips_gp32;
- mips_opts.fp32 = file_mips_fp32;
-
- if (HAVE_NEWABI)
- mips_big_got = 1;
-
op_hash = hash_new ();
for (i = 0; i < NUMOPCODES;)
}
\f
void
+mips_after_parse_args ()
+{
+ const char *cpu;
+ char *a = NULL;
+ int mips_isa_from_cpu;
+ int target_cpu_had_mips16 = 0;
+ const struct mips_cpu_info *ci;
+
+ /* GP relative stuff not working for PE */
+ if (strncmp (TARGET_OS, "pe", 2) == 0
+ && g_switch_value != 0)
+ {
+ if (g_switch_seen)
+ as_bad (_("-G not supported in this configuration."));
+ g_switch_value = 0;
+ }
+
+ cpu = TARGET_CPU;
+ if (strcmp (cpu + (sizeof TARGET_CPU) - 3, "el") == 0)
+ {
+ a = xmalloc (sizeof TARGET_CPU);
+ strcpy (a, TARGET_CPU);
+ a[(sizeof TARGET_CPU) - 3] = '\0';
+ cpu = a;
+ }
+
+ if (strncmp (cpu, "mips16", sizeof "mips16" - 1) == 0)
+ {
+ target_cpu_had_mips16 = 1;
+ cpu += sizeof "mips16" - 1;
+ }
+
+ if (mips_opts.mips16 < 0)
+ mips_opts.mips16 = target_cpu_had_mips16;
+
+ /* Backward compatibility for historic -mcpu= option. Check for
+ incompatible options, warn if -mcpu is used. */
+ if (mips_cpu != CPU_UNKNOWN
+ && mips_arch != CPU_UNKNOWN
+ && mips_cpu != mips_arch)
+ {
+ as_fatal (_("The -mcpu option can't be used together with -march. "
+ "Use -mtune instead of -mcpu."));
+ }
+
+ if (mips_cpu != CPU_UNKNOWN
+ && mips_tune != CPU_UNKNOWN
+ && mips_cpu != mips_tune)
+ {
+ as_fatal (_("The -mcpu option can't be used together with -mtune. "
+ "Use -march instead of -mcpu."));
+ }
+
+#if 1
+ /* For backward compatibility, let -mipsN set various defaults. */
+ /* This code should go away, to be replaced with something rather more
+ draconian. Until GCC 3.1 has been released for some reasonable
+ amount of time, however, we need to support this. */
+ if (mips_opts.isa != ISA_UNKNOWN)
+ {
+ /* Translate -mipsN to the appropriate settings of file_mips_gp32
+ and file_mips_fp32. Tag binaries as using the mipsN ISA. */
+ if (file_mips_gp32 < 0)
+ {
+ if (ISA_HAS_64BIT_REGS (mips_opts.isa))
+ file_mips_gp32 = 0;
+ else
+ file_mips_gp32 = 1;
+ }
+ if (file_mips_fp32 < 0)
+ {
+ if (ISA_HAS_64BIT_REGS (mips_opts.isa))
+ file_mips_fp32 = 0;
+ else
+ file_mips_fp32 = 1;
+ }
+
+ ci = mips_cpu_info_from_isa (mips_opts.isa);
+ assert (ci != NULL);
+ /* -mipsN has higher priority than -mcpu but lower than -march. */
+ if (mips_arch == CPU_UNKNOWN)
+ mips_arch = ci->cpu;
+
+ /* Default mips_abi. */
+ if (mips_opts.abi == NO_ABI)
+ {
+ if (mips_opts.isa == ISA_MIPS1 || mips_opts.isa == ISA_MIPS2)
+ mips_opts.abi = O32_ABI;
+ else if (mips_opts.isa == ISA_MIPS3 || mips_opts.isa == ISA_MIPS4)
+ mips_opts.abi = O64_ABI;
+ }
+ }
+
+ if (mips_arch == CPU_UNKNOWN && mips_cpu != CPU_UNKNOWN)
+ {
+ ci = mips_cpu_info_from_cpu (mips_cpu);
+ assert (ci != NULL);
+ mips_arch = ci->cpu;
+ as_warn (_("The -mcpu option is deprecated. Please use -march and "
+ "-mtune instead."));
+ }
+
+ /* Set tune from -mcpu, not from -mipsN. */
+ if (mips_tune == CPU_UNKNOWN && mips_cpu != CPU_UNKNOWN)
+ {
+ ci = mips_cpu_info_from_cpu (mips_cpu);
+ assert (ci != NULL);
+ mips_tune = ci->cpu;
+ }
+
+ /* At this point, mips_arch will either be CPU_UNKNOWN if no ARCH was
+ specified on the command line, or some other value if one was.
+ Similarly, mips_opts.isa will be ISA_UNKNOWN if not specified on
+ the command line, or will be set otherwise if one was. */
+
+ if (mips_arch != CPU_UNKNOWN && mips_opts.isa != ISA_UNKNOWN)
+ /* Handled above. */;
+#else
+ if (mips_arch == CPU_UNKNOWN && mips_cpu != CPU_UNKNOWN)
+ {
+ ci = mips_cpu_info_from_cpu (mips_cpu);
+ assert (ci != NULL);
+ mips_arch = ci->cpu;
+ as_warn (_("The -mcpu option is deprecated. Please use -march and "
+ "-mtune instead."));
+ }
+
+ /* At this point, mips_arch will either be CPU_UNKNOWN if no ARCH was
+ specified on the command line, or some other value if one was.
+ Similarly, mips_opts.isa will be ISA_UNKNOWN if not specified on
+ the command line, or will be set otherwise if one was. */
+
+ if (mips_arch != CPU_UNKNOWN && mips_opts.isa != ISA_UNKNOWN)
+ {
+ /* We have to check if the isa is the default isa of arch. Otherwise
+ we'll get invalid object file headers. */
+ ci = mips_cpu_info_from_cpu (mips_arch);
+ assert (ci != NULL);
+ if (mips_opts.isa != ci->isa)
+ {
+ /* This really should be an error instead of a warning, but old
+ compilers only have -mcpu which sets both arch and tune. For
+ now, we discard arch and preserve tune. */
+ as_warn (_("The -march option is incompatible to -mipsN and "
+ "therefore ignored."));
+ if (mips_tune == CPU_UNKNOWN)
+ mips_tune = mips_arch;
+ ci = mips_cpu_info_from_isa (mips_opts.isa);
+ assert (ci != NULL);
+ mips_arch = ci->cpu;
+ }
+ }
+#endif
+ else if (mips_arch != CPU_UNKNOWN && mips_opts.isa == ISA_UNKNOWN)
+ {
+ /* We have ARCH, we need ISA. */
+ ci = mips_cpu_info_from_cpu (mips_arch);
+ assert (ci != NULL);
+ mips_opts.isa = ci->isa;
+ }
+ else if (mips_arch == CPU_UNKNOWN && mips_opts.isa != ISA_UNKNOWN)
+ {
+ /* We have ISA, we need default ARCH. */
+ ci = mips_cpu_info_from_isa (mips_opts.isa);
+ assert (ci != NULL);
+ mips_arch = ci->cpu;
+ }
+ else
+ {
+ /* We need to set both ISA and ARCH from target cpu. */
+ ci = mips_cpu_info_from_name (cpu);
+ if (ci == NULL)
+ ci = mips_cpu_info_from_cpu (CPU_R3000);
+ assert (ci != NULL);
+ mips_opts.isa = ci->isa;
+ mips_arch = ci->cpu;
+ }
+
+ if (mips_tune == CPU_UNKNOWN)
+ mips_tune = mips_arch;
+
+ ci = mips_cpu_info_from_cpu (mips_arch);
+ assert (ci != NULL);
+ mips_isa_from_cpu = ci->isa;
+
+ /* End of TARGET_CPU processing, get rid of malloced memory
+ if necessary. */
+ cpu = NULL;
+ if (a != NULL)
+ {
+ free (a);
+ a = NULL;
+ }
+
+ if (mips_opts.isa == ISA_MIPS1 && mips_trap)
+ as_bad (_("trap exception not supported at ISA 1"));
+
+ /* Set the EABI kind based on the ISA before the user gets
+ to change the ISA with directives. This isn't really
+ the best, but then neither is basing the abi on the isa. */
+ if (ISA_HAS_64BIT_REGS (mips_opts.isa)
+ && mips_opts.abi == EABI_ABI)
+ mips_eabi64 = 1;
+
+ /* If they asked for mips1 or mips2 and a cpu that is
+ mips3 or greater, then mark the object file 32BITMODE. */
+ if (mips_isa_from_cpu != ISA_UNKNOWN
+ && ! ISA_HAS_64BIT_REGS (mips_opts.isa)
+ && ISA_HAS_64BIT_REGS (mips_isa_from_cpu))
+ mips_32bitmode = 1;
+
+ /* If the selected architecture includes support for ASEs, enable
+ generation of code for them. */
+ if (mips_opts.ase_mips3d == -1 && CPU_HAS_MIPS3D (mips_arch))
+ mips_opts.ase_mips3d = 1;
+ if (mips_opts.ase_mdmx == -1 && CPU_HAS_MDMX (mips_arch))
+ mips_opts.ase_mdmx = 1;
+
+ if (file_mips_gp32 < 0)
+ file_mips_gp32 = 0;
+ if (file_mips_fp32 < 0)
+ file_mips_fp32 = 0;
+
+ file_mips_isa = mips_opts.isa;
+ file_mips_abi = mips_opts.abi;
+ file_ase_mips3d = mips_opts.ase_mips3d;
+ file_ase_mdmx = mips_opts.ase_mdmx;
+ mips_opts.gp32 = file_mips_gp32;
+ mips_opts.fp32 = file_mips_fp32;
+
+ if (HAVE_NEWABI)
+ mips_big_got = 1;
+}
+\f
+void
mips_init_after_args ()
{
/* initialize opcodes */
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