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* gen.c (format_name_cmp): New function. 

(insn_list_insert): Use the instruction field name as an
additional key.  Different field names indicate different
semantics.
This commit is contained in:
Andrew Cagney 2002-03-24 00:43:28 +00:00
parent 18a642a148
commit e7b564aa85
2 changed files with 31 additions and 1 deletions
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7
sim/igen/ChangeLog
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@ -1,3 +1,10 @@
2002-03-23 Andrew Cagney <ac131313@redhat.com>
* gen.c (format_name_cmp): New function.
(insn_list_insert): Use the instruction field name as an
additional key. Different field names indicate different
semantics.
2002-03-07 Chris Demetriou <cgd@broadcom.com>
* igen.c (print_itrace_format): Add support for a new "%#lx" format.

25
sim/igen/gen.c
View File

@ -308,7 +308,18 @@ new_opcode_bits (opcode_bits *old_bits,
}
}
/* Same as strcmp(). */
static int
format_name_cmp (const char *l, const char *r)
{
if (l == NULL && r == NULL)
return 0;
if (l != NULL && r == NULL)
return -1;
if (l == NULL && r != NULL)
return +1;
return strcmp (l, r);
}
typedef enum {
@ -351,6 +362,18 @@ insn_list_insert (insn_list **cur_insn_ptr,
else if (cmp > 0)
continue;
/* key#4 sort according to the format-name. If two apparently
identical instructions have unique format-names, then the
instructions are different. This is because the
format-name's use is overloaded, it not only indicates the
format name but also provides a unique semantic name for the
function. */
cmp = format_name_cmp (insn->format_name, (*cur_insn_ptr)->insn->format_name);
if (cmp < 0)
break;
else if (cmp > 0)
continue;
/* duplicate keys, report problem */
switch (duplicate_action)
{