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* config/tc-mn10300.c (set_arch_mach): New function.

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(md_pseudo_table): Add pseudo-ops to set the current machine type.
        (md_begin): Default to mn10300 mode.
        (md_assemble): Only accept instructions for the core mn10300
        chip and the active machine type.
This commit is contained in:
Jeff Law 1998-06-26 17:24:34 +00:00
parent 5760b825aa
commit 3be26805cc
2 changed files with 40 additions and 1 deletions
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8
gas/ChangeLog
View File

@ -1,3 +1,11 @@
Fri Jun 26 11:21:11 1998 Jeffrey A Law (law@cygnus.com)
* config/tc-mn10300.c (set_arch_mach): New function.
(md_pseudo_table): Add pseudo-ops to set the current machine type.
(md_begin): Default to mn10300 mode.
(md_assemble): Only accept instructions for the core mn10300
chip and the active machine type.
Wed Jun 24 19:06:04 1998 Ian Lance Taylor <ian@cygnus.com>
* subsegs.h (segment_info_type): Give the struct a name.

33
gas/config/tc-mn10300.c
View File

@ -91,7 +91,9 @@ static int reg_name_search PARAMS ((const struct reg_name *, int, const char *))
static boolean data_register_name PARAMS ((expressionS *expressionP));
static boolean address_register_name PARAMS ((expressionS *expressionP));
static boolean other_register_name PARAMS ((expressionS *expressionP));
static void set_arch_mach PARAMS ((int));
static int current_machine;
/* fixups */
#define MAX_INSN_FIXUPS (5)
@ -113,7 +115,12 @@ size_t md_longopts_size = sizeof(md_longopts);
/* The target specific pseudo-ops which we support. */
const pseudo_typeS md_pseudo_table[] =
{
{ NULL, NULL, 0 }
{ "am30", set_arch_mach, 300 },
/* start-sanitize-am33 */
{ "am33", set_arch_mach, 330 },
/* end-sanitize-am33 */
{ "mn10300", set_arch_mach, 300 },
{NULL, 0, 0}
};
/* Opcode hash table. */
@ -867,6 +874,12 @@ md_begin ()
and support for future optimizations (branch shortening and similar
stuff in the linker. */
linkrelax = 1;
/* Set the default machine type. */
if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, 300))
as_warn (_("could not set architecture and machine"));
current_machine = 300;
}
void
@ -910,12 +923,20 @@ md_assemble (str)
char *hold;
int extra_shift = 0;
relaxable = 0;
fc = 0;
match = 0;
next_opindex = 0;
insn = opcode->opcode;
extension = 0;
/* If the instruction is not available on the current machine
then it can not possibly match. */
if (opcode->machine
&& (opcode->machine != current_machine))
goto error;
for (op_idx = 1, opindex_ptr = opcode->operands;
*opindex_ptr != 0;
opindex_ptr++, op_idx++)
@ -1930,3 +1951,13 @@ check_operand (insn, operand, val)
}
return 1;
}
static void
set_arch_mach (mach)
int mach;
{
if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, mach))
as_warn (_("could not set architecture and machine"));
current_machine = mach;
}