diff options
Diffstat (limited to 'gcc/loop.c')
-rw-r--r-- | gcc/loop.c | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -5225,13 +5225,13 @@ strength_reduce (loop, flags) /* In case number of iterations is known, drop branch prediction note in the branch. Do that only in second loop pass, as loop unrolling may change the number of iterations performed. */ - if ((flags & LOOP_BCT) - && loop_info->n_iterations / loop_info->unroll_number > 1) + if (flags & LOOP_BCT) { - int n = loop_info->n_iterations / loop_info->unroll_number; - predict_insn (PREV_INSN (loop->end), - PRED_LOOP_ITERATIONS, - REG_BR_PROB_BASE - REG_BR_PROB_BASE / n); + unsigned HOST_WIDE_INT n + = loop_info->n_iterations / loop_info->unroll_number; + if (n > 1) + predict_insn (PREV_INSN (loop->end), PRED_LOOP_ITERATIONS, + REG_BR_PROB_BASE - REG_BR_PROB_BASE / n); } if (loop_dump_stream) |