diff options
Diffstat (limited to 'cpu/m32c.opc')
| -rw-r--r-- | cpu/m32c.opc | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/cpu/m32c.opc b/cpu/m32c.opc index f664e9a..6b9ef11 100644 --- a/cpu/m32c.opc +++ b/cpu/m32c.opc @@ -608,13 +608,14 @@ parse_Bitno16R (CGEN_CPU_DESC cd, const char **strp, static const char * parse_unsigned_bitbase (CGEN_CPU_DESC cd, const char **strp, int opindex, unsigned long *valuep, - unsigned bits) + unsigned bits, int allow_syms) { const char *errmsg = 0; unsigned long bit; unsigned long base; const char *newp = *strp; unsigned long long bitbase; + long have_zero = 0; errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & bit); if (errmsg) @@ -624,6 +625,11 @@ parse_unsigned_bitbase (CGEN_CPU_DESC cd, const char **strp, return "Missing base for bit,base:8"; ++newp; + + if (strncmp (newp, "0x0", 3) == 0 + || (newp[0] == '0' && newp[1] != 'x')) + have_zero = 1; + errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & base); if (errmsg) return errmsg; @@ -633,6 +639,21 @@ parse_unsigned_bitbase (CGEN_CPU_DESC cd, const char **strp, if (bitbase >= (1ull << bits)) return _("bit,base is out of range"); + /* If this field may require a relocation then use larger displacement. */ + if (! have_zero && base == 0) + { + switch (allow_syms) { + case 0: + return _("bit,base out of range for symbol"); + case 1: + break; + case 2: + if (strncmp (newp, "[sb]", 4) != 0) + return _("bit,base out of range for symbol"); + break; + } + } + *valuep = bitbase; *strp = newp; return 0; @@ -641,7 +662,7 @@ parse_unsigned_bitbase (CGEN_CPU_DESC cd, const char **strp, static const char * parse_signed_bitbase (CGEN_CPU_DESC cd, const char **strp, int opindex, signed long *valuep, - unsigned bits) + unsigned bits, int allow_syms) { const char *errmsg = 0; unsigned long bit; @@ -649,6 +670,7 @@ parse_signed_bitbase (CGEN_CPU_DESC cd, const char **strp, const char *newp = *strp; long long bitbase; long long limit; + long have_zero = 0; errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & bit); if (errmsg) @@ -658,6 +680,11 @@ parse_signed_bitbase (CGEN_CPU_DESC cd, const char **strp, return "Missing base for bit,base:8"; ++newp; + + if (strncmp (newp, "0x0", 3) == 0 + || (newp[0] == '0' && newp[1] != 'x')) + have_zero = 1; + errmsg = cgen_parse_signed_integer (cd, & newp, opindex, & base); if (errmsg) return errmsg; @@ -668,6 +695,10 @@ parse_signed_bitbase (CGEN_CPU_DESC cd, const char **strp, if (bitbase < -limit || bitbase >= limit) return _("bit,base is out of range"); + /* If this field may require a relocation then use larger displacement. */ + if (! have_zero && base == 0 && ! allow_syms) + return _("bit,base out of range for symbol"); + *valuep = bitbase; *strp = newp; return 0; @@ -677,56 +708,56 @@ static const char * parse_unsigned_bitbase8 (CGEN_CPU_DESC cd, const char **strp, int opindex, unsigned long *valuep) { - return parse_unsigned_bitbase (cd, strp, opindex, valuep, 8); + return parse_unsigned_bitbase (cd, strp, opindex, valuep, 8, 0); } static const char * parse_unsigned_bitbase11 (CGEN_CPU_DESC cd, const char **strp, int opindex, unsigned long *valuep) { - return parse_unsigned_bitbase (cd, strp, opindex, valuep, 11); + return parse_unsigned_bitbase (cd, strp, opindex, valuep, 11, 0); } static const char * parse_unsigned_bitbase16 (CGEN_CPU_DESC cd, const char **strp, int opindex, unsigned long *valuep) { - return parse_unsigned_bitbase (cd, strp, opindex, valuep, 16); + return parse_unsigned_bitbase (cd, strp, opindex, valuep, 16, 1); } static const char * parse_unsigned_bitbase19 (CGEN_CPU_DESC cd, const char **strp, int opindex, unsigned long *valuep) { - return parse_unsigned_bitbase (cd, strp, opindex, valuep, 19); + return parse_unsigned_bitbase (cd, strp, opindex, valuep, 19, 2); } static const char * parse_unsigned_bitbase27 (CGEN_CPU_DESC cd, const char **strp, int opindex, unsigned long *valuep) { - return parse_unsigned_bitbase (cd, strp, opindex, valuep, 27); + return parse_unsigned_bitbase (cd, strp, opindex, valuep, 27, 1); } static const char * parse_signed_bitbase8 (CGEN_CPU_DESC cd, const char **strp, int opindex, signed long *valuep) { - return parse_signed_bitbase (cd, strp, opindex, valuep, 8); + return parse_signed_bitbase (cd, strp, opindex, valuep, 8, 1); } static const char * parse_signed_bitbase11 (CGEN_CPU_DESC cd, const char **strp, int opindex, signed long *valuep) { - return parse_signed_bitbase (cd, strp, opindex, valuep, 11); + return parse_signed_bitbase (cd, strp, opindex, valuep, 11, 0); } static const char * parse_signed_bitbase19 (CGEN_CPU_DESC cd, const char **strp, int opindex, signed long *valuep) { - return parse_signed_bitbase (cd, strp, opindex, valuep, 19); + return parse_signed_bitbase (cd, strp, opindex, valuep, 19, 1); } /* Parse the suffix as :<char> or as nothing followed by a whitespace. */ |