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Add note about limitations of insn_field_cmp().

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This commit is contained in:
Andrew Cagney 1998-07-28 08:58:23 +00:00
parent 07c2bd1455
commit f6b7bfcfa0
1 changed files with 6 additions and 3 deletions
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9
sim/igen/gen.c
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@ -355,12 +355,15 @@ insn_list_insert (insn_list **cur_insn_ptr,
switch (duplicate_action)
{
case report_duplicate_insns:
/* two instructions with the same constant field
values across all words and bits */
/* It would appear that we have two instructions with the
same constant field values across all words and bits.
This error can also occure when insn_field_cmp() is
failing to differentiate between two instructions that
differ only in their conditional fields. */
warning (insn->line,
"Two instructions with identical constant fields\n");
error ((*cur_insn_ptr)->insn->line,
"Location of second (duplicated?) instruction\n");
"Location of duplicate instruction\n");
case merge_duplicate_insns:
/* Add the opcode path to the instructions list */
if (opcodes != NULL)