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-rw-r--r--opcodes/m32c-asm.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/opcodes/m32c-asm.c b/opcodes/m32c-asm.c
index 1bfa926efd..235b0b7ad9 100644
--- a/opcodes/m32c-asm.c
+++ b/opcodes/m32c-asm.c
@@ -407,6 +407,26 @@ parse_unsigned24 (CGEN_CPU_DESC cd, const char **strp,
return 0;
}
+/* This should only be used for #imm->reg. */
+static const char *
+parse_signed24 (CGEN_CPU_DESC cd, const char **strp,
+ int opindex, signed long *valuep)
+{
+ const char *errmsg = 0;
+ signed long value;
+
+ PARSE_SIGNED;
+
+ if (value <= 0xffffff && value > 0x7fffff)
+ value -= 0x1000000;
+
+ if (value > 0xffffff)
+ return _("dsp:24 immediate is out of range");
+
+ *valuep = value;
+ return 0;
+}
+
static const char *
parse_signed32 (CGEN_CPU_DESC cd, const char **strp,
int opindex, signed long *valuep)
@@ -1038,6 +1058,9 @@ m32c_cgen_parse_operand (CGEN_CPU_DESC cd,
case M32C_OPERAND_DSP_48_U8 :
errmsg = parse_unsigned8 (cd, strp, M32C_OPERAND_DSP_48_U8, (unsigned long *) (& fields->f_dsp_48_u8));
break;
+ case M32C_OPERAND_DSP_8_S24 :
+ errmsg = parse_signed24 (cd, strp, M32C_OPERAND_DSP_8_S24, (long *) (& fields->f_dsp_8_s24));
+ break;
case M32C_OPERAND_DSP_8_S8 :
errmsg = parse_signed8 (cd, strp, M32C_OPERAND_DSP_8_S8, (long *) (& fields->f_dsp_8_s8));
break;