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ira-color.c (setup_left_conflict_sizes_p): Do not process node itself when computing left conflict subnode size.

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* ira-color.c (setup_left_conflict_sizes_p): Do not process
        node itself when computing left conflict subnode size.

From-SVN: r222157
This commit is contained in:
Zhouyi Zhou 2015-04-16 20:02:01 +00:00 committed by Jeff Law
parent 8c292b10e8
commit 6e3957da31
2 changed files with 8 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-04-16 Zhouyi Zhou <yizhouzhou@ict.ac.cn>
* ira-color.c (setup_left_conflict_sizes_p): Do not process
node itself when computing left conflict subnode size.
2015-04-16 Uros Bizjak <ubizjak@gmail.com>
* config/i386/predicates.md (register_mixssei387nonimm_operand): New.

8
gcc/ira-color.c
View File

@ -938,7 +938,7 @@ setup_left_conflict_sizes_p (ira_allocno_t a)
subnodes[i].left_conflict_subnodes_size = 0;
}
start = node_preorder_num * allocno_hard_regs_nodes_num;
for (i = data->hard_regs_subnodes_num - 1; i >= 0; i--)
for (i = data->hard_regs_subnodes_num - 1; i > 0; i--)
{
int size, parent_i;
allocno_hard_regs_node_t parent;
@ -948,12 +948,10 @@ setup_left_conflict_sizes_p (ira_allocno_t a)
- subnodes[i].left_conflict_subnodes_size,
subnodes[i].left_conflict_size));
parent = allocno_hard_regs_nodes[i + node_preorder_num]->parent;
if (parent == NULL)
continue;
gcc_checking_assert(parent);
parent_i
= allocno_hard_regs_subnode_index[start + parent->preorder_num];
if (parent_i < 0)
continue;
gcc_checking_assert(parent_i >= 0);
subnodes[parent_i].left_conflict_subnodes_size += size;
}
left_conflict_subnodes_size = subnodes[0].left_conflict_subnodes_size;