return false;
}
+/* Return true if one of the definitions in INSN has MODE_CC. Otherwise
+ return false. */
+static bool
+def_has_ccmode_p (rtx insn)
+{
+ df_ref *def;
+
+ for (def = DF_INSN_DEFS (insn); *def; def++)
+ {
+ enum machine_mode mode = GET_MODE (DF_REF_REG (*def));
+
+ if (GET_MODE_CLASS (mode) == MODE_CC)
+ return true;
+ }
+
+ return false;
+}
+
/* Computes the dependence parameters (latency, distance etc.), creates
a ddg_edge and adds it to the given DDG. */
static void
whose register has multiple defs in the loop. */
if (flag_modulo_sched_allow_regmoves
&& (t == ANTI_DEP && dt == REG_DEP)
+ && !def_has_ccmode_p (dest_node->insn)
&& !autoinc_var_is_used_p (dest_node->insn, src_node->insn))
{
rtx set;
if (DF_REF_ID (last_def) != DF_REF_ID (first_def)
|| !flag_modulo_sched_allow_regmoves
|| JUMP_P (use_node->insn)
- || autoinc_var_is_used_p (DF_REF_INSN (last_def), use_insn))
+ || autoinc_var_is_used_p (DF_REF_INSN (last_def), use_insn)
+ || def_has_ccmode_p (DF_REF_INSN (last_def)))
create_ddg_dep_no_link (g, use_node, first_def_node, ANTI_DEP,
REG_DEP, 1);