diff options
Diffstat (limited to 'gcc/tree-ssa-reassoc.c')
| -rw-r--r-- | gcc/tree-ssa-reassoc.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c index e4e7db6..bfe909d 100644 --- a/gcc/tree-ssa-reassoc.c +++ b/gcc/tree-ssa-reassoc.c @@ -859,8 +859,20 @@ build_and_add_sum (tree tmpvar, tree op1, tree op2, enum tree_code opcode) } else { - gsi = gsi_for_stmt (op2def); - gsi_insert_after (&gsi, sum, GSI_NEW_STMT); + if (!stmt_ends_bb_p (op2def)) + { + gsi = gsi_for_stmt (op2def); + gsi_insert_after (&gsi, sum, GSI_NEW_STMT); + } + else + { + edge e; + edge_iterator ei; + + FOR_EACH_EDGE (e, ei, gimple_bb (op2def)->succs) + if (e->flags & EDGE_FALLTHRU) + gsi_insert_on_edge_immediate (e, sum); + } } } else @@ -872,8 +884,20 @@ build_and_add_sum (tree tmpvar, tree op1, tree op2, enum tree_code opcode) } else { - gsi = gsi_for_stmt (op1def); - gsi_insert_after (&gsi, sum, GSI_NEW_STMT); + if (!stmt_ends_bb_p (op1def)) + { + gsi = gsi_for_stmt (op1def); + gsi_insert_after (&gsi, sum, GSI_NEW_STMT); + } + else + { + edge e; + edge_iterator ei; + + FOR_EACH_EDGE (e, ei, gimple_bb (op1def)->succs) + if (e->flags & EDGE_FALLTHRU) + gsi_insert_on_edge_immediate (e, sum); + } } } update_stmt (sum); |