update_reg_last_use (b, before_insn);
update_reg_last_use (m, before_insn);
- loop_insn_emit_before (loop, before_bb, before_insn, seq);
-
/* It is possible that the expansion created lots of new registers.
- Iterate over the sequence we just created and record them all. */
+ Iterate over the sequence we just created and record them all. We
+ must do this before inserting the sequence. */
loop_regs_update (loop, seq);
+
+ loop_insn_emit_before (loop, before_bb, before_insn, seq);
}
update_reg_last_use (b, loop->sink);
update_reg_last_use (m, loop->sink);
- loop_insn_sink (loop, seq);
-
/* It is possible that the expansion created lots of new registers.
- Iterate over the sequence we just created and record them all. */
+ Iterate over the sequence we just created and record them all. We
+ must do this before inserting the sequence. */
loop_regs_update (loop, seq);
+
+ loop_insn_sink (loop, seq);
}
/* Use copy_rtx to prevent unexpected sharing of these rtx. */
seq = gen_add_mult (copy_rtx (b), copy_rtx (m), copy_rtx (a), reg);
- loop_insn_hoist (loop, seq);
-
/* It is possible that the expansion created lots of new registers.
- Iterate over the sequence we just created and record them all. */
+ Iterate over the sequence we just created and record them all. We
+ must do this before inserting the sequence. */
loop_regs_update (loop, seq);
+
+ loop_insn_hoist (loop, seq);
}