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Add code to handle even-numbered only register operands

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This commit is contained in:
Nick Clifton
2003-06-05 16:04:20 +00:00
parent e5379b03cf
commit 36c3ae2457
12 changed files with 696 additions and 366 deletions
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31
opcodes/frv-asm.c
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@@ -64,6 +64,8 @@ static const char * parse_s12
PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
static const char * parse_u12
PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
static const char * parse_even_register
PARAMS ((CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *));
static const char *
parse_ulo16 (cd, strp, opindex, valuep)
@@ -346,6 +348,26 @@ parse_u12 (cd, strp, opindex, valuep)
}
}
static const char *
parse_even_register (cd, strP, tableP, valueP)
CGEN_CPU_DESC cd;
const char ** strP;
CGEN_KEYWORD * tableP;
long * valueP;
{
const char * errmsg;
const char * saved_star_strP = * strP;
errmsg = cgen_parse_keyword (cd, strP, tableP, valueP);
if (errmsg == NULL && ((* valueP) & 1))
{
errmsg = _("register number must be even");
* strP = saved_star_strP;
}
return errmsg;
}
/* -- */
const char * frv_cgen_parse_operand
@@ -455,12 +477,21 @@ frv_cgen_parse_operand (cd, opindex, strp, fields)
case FRV_OPERAND_FRINTI :
errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
break;
case FRV_OPERAND_FRINTIEVEN :
errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
break;
case FRV_OPERAND_FRINTJ :
errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
break;
case FRV_OPERAND_FRINTJEVEN :
errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
break;
case FRV_OPERAND_FRINTK :
errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
break;
case FRV_OPERAND_FRINTKEVEN :
errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
break;
case FRV_OPERAND_FRJ :
errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
break;