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Diffstat (limited to 'opcodes/m32r-ibld.c')
-rw-r--r--opcodes/m32r-ibld.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/opcodes/m32r-ibld.c b/opcodes/m32r-ibld.c
index f999bcd..447f014 100644
--- a/opcodes/m32r-ibld.c
+++ b/opcodes/m32r-ibld.c
@@ -145,7 +145,22 @@ insert_normal (cd, value, attrs, word_offset, start, length, word_length,
}
/* Ensure VALUE will fit. */
- if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
+ if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
+ {
+ long minval = - (1L << (length - 1));
+ unsigned long maxval = mask;
+
+ if ((value > 0 && (unsigned long) value > maxval)
+ || value < minval)
+ {
+ /* xgettext:c-format */
+ sprintf (errbuf,
+ _("operand out of range (%ld not between %ld and %lu)"),
+ value, minval, maxval);
+ return errbuf;
+ }
+ }
+ else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
{
unsigned long maxval = mask;
@@ -400,7 +415,7 @@ extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length,
#endif
long *valuep;
{
- CGEN_INSN_INT value, mask;
+ long value, mask;
/* If LENGTH is zero, this operand doesn't contribute to the value
so give it a standard value of zero. */
@@ -428,9 +443,9 @@ extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length,
word_length = total_length;
}
- /* Does the value reside in INSN_VALUE? */
+ /* Does the value reside in INSN_VALUE, and at the right alignment? */
- if (CGEN_INT_INSN_P || word_offset == 0)
+ if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
{
if (CGEN_INSN_LSB0_P)
value = insn_value >> ((word_offset + start + 1) - length);