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* cgen-ibld.in (insert_normal): Cope with attempts to insert a signed 32-bit

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value into an unsigned 32-bit field when the host is a 64-bit machine.
This commit is contained in:
Nick Clifton
2006-03-05 08:38:53 +00:00
parent 3c568553f1
commit ed963e2de8
12 changed files with 158 additions and 70 deletions
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16
opcodes/xc16x-ibld.c
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@ -168,13 +168,21 @@ insert_normal (CGEN_CPU_DESC cd,
else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
{
unsigned long maxval = mask;
if ((unsigned long) value > maxval)
unsigned long val = (unsigned long) value;
/* For hosts with a word size > 32 check to see if value has been sign
extended beyond 32 bits. If so then ignore these higher sign bits
as the user is attempting to store a 32-bit signed value into an
unsigned 32-bit field which is allowed. */
if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
val &= 0xFFFFFFFF;
if (val > maxval)
{
/* xgettext:c-format */
sprintf (errbuf,
_("operand out of range (%lu not between 0 and %lu)"),
value, maxval);
_("operand out of range (0x%lx not between 0 and 0x%lx)"),
val, maxval);
return errbuf;
}
}