diff options
Diffstat (limited to 'gcc/value-prof.c')
| -rw-r--r-- | gcc/value-prof.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/gcc/value-prof.c b/gcc/value-prof.c index 0d5f0411e1d..b03e6777ae8 100644 --- a/gcc/value-prof.c +++ b/gcc/value-prof.c @@ -1434,12 +1434,17 @@ stringop_block_profile (tree stmt, unsigned int *expected_align, histogram = gimple_histogram_value_of_type (cfun, stmt, HIST_TYPE_AVERAGE); if (!histogram) *expected_size = -1; + else if (!histogram->hvalue.counters[1]) + { + *expected_size = -1; + gimple_remove_histogram_value (cfun, stmt, histogram); + } else { gcov_type size; size = ((histogram->hvalue.counters[0] - + histogram->hvalue.counters[0] / 2) - / histogram->hvalue.counters[0]); + + histogram->hvalue.counters[1] / 2) + / histogram->hvalue.counters[1]); /* Even if we can hold bigger value in SIZE, INT_MAX is safe "infinity" for code generation strategies. */ if (size > INT_MAX) @@ -1450,6 +1455,11 @@ stringop_block_profile (tree stmt, unsigned int *expected_align, histogram = gimple_histogram_value_of_type (cfun, stmt, HIST_TYPE_IOR); if (!histogram) *expected_align = 0; + else if (!histogram->hvalue.counters[0]) + { + gimple_remove_histogram_value (cfun, stmt, histogram); + *expected_align = 0; + } else { gcov_type count; @@ -1661,11 +1671,11 @@ tree_find_values_to_profile (histogram_values *values) break; case HIST_TYPE_AVERAGE: - hist->n_counters = 3; + hist->n_counters = 2; break; case HIST_TYPE_IOR: - hist->n_counters = 3; + hist->n_counters = 1; break; default: |
