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* config/tc-v850.c (CC_NAME_CNT): Define.

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(cc_name): New function.
        (md_assemble): Handle V850_OPERAND_CC correctly.
setf stuff
This commit is contained in:
Jeff Law 1996-08-23 19:01:37 +00:00
parent 6c1fc4d3fa
commit c9f1b2d9c7
2 changed files with 66 additions and 0 deletions
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4
gas/ChangeLog
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@ -7,6 +7,10 @@ end-sanitize-d10v
start-sanitize-v850
Fri Aug 23 10:41:32 1996 Jeffrey A Law (law@cygnus.com)
* config/tc-v850.c (CC_NAME_CNT): Define.
(cc_name): New function.
(md_assemble): Handle V850_OPERAND_CC correctly.
* config/tc-v850.c (md_assemble): Don't forget to initialize
"insn"!

62
gas/config/tc-v850.c
View file

@ -59,6 +59,7 @@ static unsigned long v850_insert_operand
static int reg_name_search PARAMS ((char *name, const struct reg_name *, int));
static boolean register_name PARAMS ((expressionS *expressionP));
static boolean system_register_name PARAMS ((expressionS *expressionP));
static boolean cc_name PARAMS ((expressionS *expressionP));
static int postfix PARAMS ((char *p));
static bfd_reloc_code_real_type get_reloc PARAMS ((struct v850_operand *op));
static unsigned long build_insn PARAMS ((struct v850_opcode *opcode, expressionS *opers));
@ -178,6 +179,7 @@ static const struct reg_name cc_names[] =
{ "v", 0x0 },
{ "z", 0x2 },
};
#define CC_NAME_CNT (sizeof(cc_names) / sizeof(struct reg_name))
/* reg_name_search does a binary search of the given register table
to see if "name" is a valid regiter name. Returns the register
@ -301,6 +303,52 @@ system_register_name (expressionP)
}
}
/* Summary of cc_name().
*
* in: Input_line_pointer points to 1st char of operand.
*
* out: A expressionS.
* The operand may have been a register: in this case, X_op == O_register,
* X_add_number is set to the register number, and truth is returned.
* Input_line_pointer->(next non-blank) char after operand, or is in
* its original state.
*/
static boolean
cc_name (expressionP)
expressionS *expressionP;
{
int reg_number;
char *name;
char *start;
char c;
/* Find the spelling of the operand */
start = name = input_line_pointer;
c = get_symbol_end ();
reg_number = reg_name_search (name, cc_names, CC_NAME_CNT - 1);
/* look to see if it's in the register table */
if (reg_number >= 0)
{
expressionP->X_op = O_constant;
expressionP->X_add_number = reg_number;
/* make the rest nice */
expressionP->X_add_symbol = NULL;
expressionP->X_op_symbol = NULL;
*input_line_pointer = c; /* put back the delimiting char */
return true;
}
else
{
/* reset the line as if we had not done anything */
*input_line_pointer = c; /* put back the delimiting char */
input_line_pointer = start; /* reset input_line pointer */
return false;
}
}
void
md_show_usage (stream)
FILE *stream;
@ -509,6 +557,14 @@ md_assemble (str)
goto error;
}
}
else if ((operand->flags & V850_OPERAND_CC) != 0)
{
if (!cc_name(&ex))
{
errmsg = "invalid condition code name";
goto error;
}
}
else if (strncmp(input_line_pointer, "lo(", 3) == 0)
{
input_line_pointer += 3;
@ -569,6 +625,12 @@ md_assemble (str)
errmsg = "syntax error: system register not expected";
goto error;
}
else if (cc_name (&ex)
&& (operand->flags & V850_OPERAND_CC) == 0)
{
errmsg = "syntax error: condition code not expected";
goto error;
}
else
{
expression(&ex);