aboutsummaryrefslogtreecommitdiff
path: root/gcc/value-prof.c
diff options
context:
space:
mode:
authorGiuliano Belinassi <giuliano.belinassi@usp.br>2020-08-22 17:43:43 -0300
committerGiuliano Belinassi <giuliano.belinassi@usp.br>2020-08-22 17:43:43 -0300
commita926878ddbd5a98b272c22171ce58663fc04c3e0 (patch)
tree86af256e5d9a9c06263c00adc90e5fe348008c43 /gcc/value-prof.c
parent542730f087133690b47e036dfd43eb0db8a650ce (diff)
parent07cbaed8ba7d1b6e4ab3a9f44175502a4e1ecdb1 (diff)
downloadgcc-devel/autopar_devel.zip
gcc-devel/autopar_devel.tar.gz
gcc-devel/autopar_devel.tar.bz2
Merge branch 'autopar_rebase2' into autopar_develdevel/autopar_devel
Quickly commit changes in the rebase branch.
Diffstat (limited to 'gcc/value-prof.c')
-rw-r--r--gcc/value-prof.c59
1 files changed, 39 insertions, 20 deletions
diff --git a/gcc/value-prof.c b/gcc/value-prof.c
index 45677be..ea1b1a8 100644
--- a/gcc/value-prof.c
+++ b/gcc/value-prof.c
@@ -265,16 +265,15 @@ dump_histogram_value (FILE *dump_file, histogram_value hist)
? "Top N value counter" : "Indirect call counter"));
if (hist->hvalue.counters)
{
- fprintf (dump_file, " all: %" PRId64 "%s, values: ",
- (int64_t) abs_hwi (hist->hvalue.counters[0]),
- hist->hvalue.counters[0] < 0
- ? " (values missing)": "");
- for (unsigned i = 0; i < GCOV_TOPN_VALUES; i++)
+ unsigned count = hist->hvalue.counters[1];
+ fprintf (dump_file, " all: %" PRId64 ", %" PRId64 " values: ",
+ (int64_t) hist->hvalue.counters[0], (int64_t) count);
+ for (unsigned i = 0; i < count; i++)
{
fprintf (dump_file, "[%" PRId64 ":%" PRId64 "]",
- (int64_t) hist->hvalue.counters[2 * i + 1],
- (int64_t) hist->hvalue.counters[2 * i + 2]);
- if (i != GCOV_TOPN_VALUES - 1)
+ (int64_t) hist->hvalue.counters[2 * i + 2],
+ (int64_t) hist->hvalue.counters[2 * i + 3]);
+ if (i != count - 1)
fprintf (dump_file, ", ");
}
fprintf (dump_file, ".\n");
@@ -377,7 +376,6 @@ stream_in_histogram_value (class lto_input_block *ib, gimple *stmt)
case HIST_TYPE_TOPN_VALUES:
case HIST_TYPE_INDIR_CALL:
- ncounters = GCOV_TOPN_VALUES_COUNTERS;
break;
case HIST_TYPE_IOR:
@@ -388,12 +386,31 @@ stream_in_histogram_value (class lto_input_block *ib, gimple *stmt)
default:
gcc_unreachable ();
}
- new_val->hvalue.counters = XNEWVAR (gcov_type,
- sizeof (*new_val->hvalue.counters)
- * ncounters);
- new_val->n_counters = ncounters;
- for (i = 0; i < ncounters; i++)
- new_val->hvalue.counters[i] = streamer_read_gcov_count (ib);
+
+ /* TOP N counters have variable number of counters. */
+ if (type == HIST_TYPE_INDIR_CALL || type == HIST_TYPE_TOPN_VALUES)
+ {
+ gcov_type total = streamer_read_gcov_count (ib);
+ gcov_type ncounters = streamer_read_gcov_count (ib);
+ new_val->hvalue.counters = XNEWVAR (gcov_type,
+ sizeof (*new_val->hvalue.counters)
+ * (2 + 2 * ncounters));
+ new_val->hvalue.counters[0] = total;
+ new_val->hvalue.counters[1] = ncounters;
+ new_val->n_counters = 2 + 2 * ncounters;
+ for (i = 0; i < 2 * ncounters; i++)
+ new_val->hvalue.counters[2 + i] = streamer_read_gcov_count (ib);
+ }
+ else
+ {
+ new_val->hvalue.counters = XNEWVAR (gcov_type,
+ sizeof (*new_val->hvalue.counters)
+ * ncounters);
+ new_val->n_counters = ncounters;
+ for (i = 0; i < ncounters; i++)
+ new_val->hvalue.counters[i] = streamer_read_gcov_count (ib);
+ }
+
if (!next_p)
gimple_add_histogram_value (cfun, stmt, new_val);
else
@@ -738,15 +755,17 @@ get_nth_most_common_value (gimple *stmt, const char *counter_type,
histogram_value hist, gcov_type *value,
gcov_type *count, gcov_type *all, unsigned n)
{
- gcc_assert (n < GCOV_TOPN_VALUES);
+ unsigned counters = hist->hvalue.counters[1];
+ if (n >= counters)
+ return false;
*count = 0;
*value = 0;
gcov_type read_all = abs_hwi (hist->hvalue.counters[0]);
- gcov_type v = hist->hvalue.counters[2 * n + 1];
- gcov_type c = hist->hvalue.counters[2 * n + 2];
+ gcov_type v = hist->hvalue.counters[2 * n + 2];
+ gcov_type c = hist->hvalue.counters[2 * n + 3];
if (hist->hvalue.counters[0] < 0
&& (flag_profile_reproducible == PROFILE_REPRODUCIBILITY_PARALLEL_RUNS
@@ -1433,7 +1452,7 @@ dump_ic_profile (gimple_stmt_iterator *gsi)
count = 0;
all = histogram->hvalue.counters[0];
- for (unsigned j = 0; j < GCOV_TOPN_VALUES; j++)
+ for (unsigned j = 0; j < GCOV_TOPN_MAXIMUM_TRACKED_VALUES; j++)
{
if (!get_nth_most_common_value (NULL, "indirect call", histogram, &val,
&count, &all, j))
@@ -1902,7 +1921,7 @@ gimple_find_values_to_profile (histogram_values *values)
case HIST_TYPE_TOPN_VALUES:
case HIST_TYPE_INDIR_CALL:
- hist->n_counters = GCOV_TOPN_VALUES_COUNTERS;
+ hist->n_counters = GCOV_TOPN_MEM_COUNTERS;
break;
case HIST_TYPE_TIME_PROFILE: