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-rw-r--r--opcodes/m32c-asm.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/opcodes/m32c-asm.c b/opcodes/m32c-asm.c
index 235b0b7ad9..02475eadfc 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;