* lra-remat.c (cand_transf_func): Process regno for
rematerialization too.
* lra.c (lra): Switch on rematerialization pass.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217624
138bc75d-0d04-0410-961f-
82ee72b054a4
2014-11-15 Vladimir Makarov <vmakarov@redhat.com>
+ * lra-remat.c (cand_transf_func): Process regno for
+ rematerialization too.
+ * lra.c (lra): Switch on rematerialization pass.
+
+2014-11-15 Vladimir Makarov <vmakarov@redhat.com>
+
* lra.c (lra): Switch off rematerialization pass.
2014-11-15 Marc Glisse <marc.glisse@inria.fr>
bitmap_set_bit (&temp_bitmap, cid);
break;
}
+ /* Check regno for rematerialization. */
+ if (bitmap_bit_p (bb_changed_regs, cand->regno)
+ || bitmap_bit_p (bb_dead_regs, cand->regno))
+ bitmap_set_bit (&temp_bitmap, cid);
}
return bitmap_ior_and_compl (bb_out,
&bb_info->gen_cands, bb_in, &temp_bitmap);
break;
/* Now we know what pseudos should be spilled. Try to
rematerialize them first. */
- if (0&&lra_remat ())
+ if (lra_remat ())
{
/* We need full live info -- see the comment above. */
lra_create_live_ranges (lra_reg_spill_p, true);