* config/mips/iris5.h (UNALIGNED_INT_ASM_OP,

[pf3gnuchains/gcc-fork.git] / gcc / unroll.c

diff --git a/gcc/unroll.c b/gcc/unroll.c
index 94c58cd..9a09f5d 100644 (file)
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -167,6 +167,7 @@ enum unroll_types
 #include "toplev.h"
 #include "hard-reg-set.h"
 #include "basic-block.h"
+#include "predict.h"
 
 /* This controls which loops are unrolled, and by how much we unroll
    them.  */
@@ -962,6 +963,7 @@ unroll_loop (loop, insn_count, strength_reduce_p)
              emit_cmp_and_jump_insns (initial_value, final_value,
                                       neg_inc ? LE : GE,
                                       NULL_RTX, mode, 0, 0, labels[1]);
+             predict_insn_def (get_last_insn (), PRED_LOOP_CONDITION, NOT_TAKEN);
              JUMP_LABEL (get_last_insn ()) = labels[1];
              LABEL_NUSES (labels[1])++;
            }
@@ -1007,6 +1009,8 @@ unroll_loop (loop, insn_count, strength_reduce_p)
                                       labels[i]);
              JUMP_LABEL (get_last_insn ()) = labels[i];
              LABEL_NUSES (labels[i])++;
+             predict_insn (get_last_insn (), PRED_LOOP_PRECONDITIONING,
+                           REG_BR_PROB_BASE / (unroll_number - i));
            }
 
          /* If the increment is greater than one, then we need another branch,