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Fix noreorder symbol partitioning reversion.

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* lto-partition.c (lto_balanced_map): Remember
	best_noreorder_pos and then restore to it
	when we revert.
This commit is contained in:
Martin Liska 2020-01-16 20:44:27 +01:00
parent 98d56ea890
commit f48c601413
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2 changed files with 9 additions and 0 deletions
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6
gcc/lto/ChangeLog
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@ -1,3 +1,9 @@
2020-01-16 Martin Liska <mliska@suse.cz>
* lto-partition.c (lto_balanced_map): Remember
best_noreorder_pos and then restore to it
when we revert.
2020-01-08 Martin Liska <mliska@suse.cz>
* lto-partition.c (add_symbol_to_partition_1): Use ::dump_name or

3
gcc/lto/lto-partition.c
View File

@ -471,6 +471,7 @@ void
lto_balanced_map (int n_lto_partitions, int max_partition_size)
{
int n_varpool_nodes = 0, varpool_pos = 0, best_varpool_pos = 0;
int best_noreorder_pos = 0;
auto_vec <cgraph_node *> order (symtab->cgraph_count);
auto_vec<cgraph_node *> noreorder;
auto_vec<varpool_node *> varpool_order;
@ -732,6 +733,7 @@ lto_balanced_map (int n_lto_partitions, int max_partition_size)
best_i = i;
best_n_nodes = lto_symtab_encoder_size (partition->encoder);
best_varpool_pos = varpool_pos;
best_noreorder_pos = noreorder_pos;
}
if (dump_file)
fprintf (dump_file, "Step %i: added %s, size %i, "
@ -752,6 +754,7 @@ lto_balanced_map (int n_lto_partitions, int max_partition_size)
i - best_i, best_i);
undo_partition (partition, best_n_nodes);
varpool_pos = best_varpool_pos;
noreorder_pos = best_noreorder_pos;
}
gcc_assert (best_size == partition->insns);
i = best_i;