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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-14 20:05:48 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-14 20:05:48 +0000 |
| commit | edf453a8bb4dfd38204b0adcdc22a610304081af (patch) | |
| tree | 150a2e887208245b695f1a1a1a7b62d90ddff90c /gcc/tree-outof-ssa.c | |
| parent | 52f14b2c8c8f499152413584724589eb9c86bb20 (diff) | |
| download | gcc-edf453a8bb4dfd38204b0adcdc22a610304081af.tar.gz | |
* tree-outof-ssa.c (coalesce_abnormal_edges): Pass the correct target
partition to conflict_graph_merge_regs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92157 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-outof-ssa.c')
| -rw-r--r-- | gcc/tree-outof-ssa.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/tree-outof-ssa.c b/gcc/tree-outof-ssa.c index 621366b85ae..d61acbd0b1d 100644 --- a/gcc/tree-outof-ssa.c +++ b/gcc/tree-outof-ssa.c @@ -569,7 +569,7 @@ coalesce_abnormal_edges (var_map map, conflict_graph graph, root_var_p rv) basic_block bb; edge e; tree phi, var, tmp; - int x, y; + int x, y, z; edge_iterator ei; /* Code cannot be inserted on abnormal edges. Look for all abnormal @@ -641,8 +641,9 @@ coalesce_abnormal_edges (var_map map, conflict_graph graph, root_var_p rv) "ABNORMAL: Coalescing ", var, " and ", tmp); } + z = var_union (map, var, tmp); #ifdef ENABLE_CHECKING - if (var_union (map, var, tmp) == NO_PARTITION) + if (z == NO_PARTITION) { print_exprs_edge (stderr, e, "\nUnable to coalesce", partition_to_var (map, x), " and ", @@ -650,9 +651,13 @@ coalesce_abnormal_edges (var_map map, conflict_graph graph, root_var_p rv) internal_error ("SSA corruption"); } #else - gcc_assert (var_union (map, var, tmp) != NO_PARTITION); + gcc_assert (z != NO_PARTITION); #endif - conflict_graph_merge_regs (graph, x, y); + gcc_assert (z == x || z == y); + if (z == x) + conflict_graph_merge_regs (graph, x, y); + else + conflict_graph_merge_regs (graph, y, x); } } } |