diff options
Diffstat (limited to 'opcodes/m32c-asm.c')
| -rw-r--r-- | opcodes/m32c-asm.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/opcodes/m32c-asm.c b/opcodes/m32c-asm.c index 235b0b7..02475ea 100644 --- a/opcodes/m32c-asm.c +++ b/opcodes/m32c-asm.c @@ -192,6 +192,31 @@ parse_signed4 (CGEN_CPU_DESC cd, const char **strp, } static const char * +parse_signed4n (CGEN_CPU_DESC cd, const char **strp, + int opindex, signed long *valuep) +{ + const char *errmsg = 0; + signed long value; + long have_zero = 0; + + if (strncmp (*strp, "0x0", 3) == 0 + || (**strp == '0' && *(*strp + 1) != 'x')) + have_zero = 1; + + PARSE_SIGNED; + + if (value < -7 || value > 8) + return _("Immediate is out of range -7 to 8"); + + /* If this field may require a relocation then use larger dsp16. */ + if (! have_zero && value == 0) + return _("Immediate is out of range -7 to 8"); + + *valuep = -value; + return 0; +} + +static const char * parse_signed8 (CGEN_CPU_DESC cd, const char **strp, int opindex, signed long *valuep) { @@ -1172,6 +1197,9 @@ m32c_cgen_parse_operand (CGEN_CPU_DESC cd, case M32C_OPERAND_IMM_12_S4 : errmsg = parse_signed4 (cd, strp, M32C_OPERAND_IMM_12_S4, (long *) (& fields->f_imm_12_s4)); break; + case M32C_OPERAND_IMM_12_S4N : + errmsg = parse_signed4n (cd, strp, M32C_OPERAND_IMM_12_S4N, (long *) (& fields->f_imm_12_s4)); + break; case M32C_OPERAND_IMM_13_U3 : errmsg = parse_signed4 (cd, strp, M32C_OPERAND_IMM_13_U3, (long *) (& fields->f_imm_13_u3)); break; @@ -1241,6 +1269,9 @@ m32c_cgen_parse_operand (CGEN_CPU_DESC cd, case M32C_OPERAND_IMM_8_S4 : errmsg = parse_signed4 (cd, strp, M32C_OPERAND_IMM_8_S4, (long *) (& fields->f_imm_8_s4)); break; + case M32C_OPERAND_IMM_8_S4N : + errmsg = parse_signed4n (cd, strp, M32C_OPERAND_IMM_8_S4N, (long *) (& fields->f_imm_8_s4)); + break; case M32C_OPERAND_IMM_SH_12_S4 : errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_shimm, & fields->f_imm_12_s4); break; |