* cfgrtl.c (emit_insn_at_entry): New function.
* rtl.h (emit_insn_at_entry): Declare it.
* integrate.c (emit_initial_value_sets): Use it.
From-SVN: r116968
expanding the number of iterations.
* config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
+ * cfgrtl.c (emit_insn_at_entry): New function.
+ * rtl.h (emit_insn_at_entry): Declare it.
+ * integrate.c (emit_initial_value_sets): Use it.
+
2006-09-15 Kazu Hirata <kazu@codesourcery.com>
* doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
BB_HEAD (ENTRY_BLOCK_PTR->next_bb) : get_insns ());
}
+/* Emit INSN at the entry point of the function, ensuring that it is only
+ executed once per function. */
+void
+emit_insn_at_entry (rtx insn)
+{
+ edge_iterator ei = ei_start (ENTRY_BLOCK_PTR->succs);
+ edge e = ei_safe_edge (ei);
+ if (!(e->flags & EDGE_FALLTHRU))
+ abort ();
+
+ insert_insn_on_edge (insn, e);
+ commit_edge_insertions ();
+}
+
/* Update insns block within BB. */
void
seq = get_insns ();
end_sequence ();
- emit_insn_after (seq, entry_of_function ());
+ emit_insn_at_entry (seq);
return 0;
}
extern void renumber_insns (void);
extern rtx delete_insn (rtx);
extern rtx entry_of_function (void);
+extern void emit_insn_at_entry (rtx);
extern void delete_insn_chain (rtx, rtx);
extern rtx unlink_insn_chain (rtx, rtx);
extern rtx delete_insn_and_edges (rtx);