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Diffstat (limited to 'gcc/tree-ssa-reassoc.c')
| -rw-r--r-- | gcc/tree-ssa-reassoc.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c index 9daf28f..7145559 100644 --- a/gcc/tree-ssa-reassoc.c +++ b/gcc/tree-ssa-reassoc.c @@ -2935,9 +2935,15 @@ maybe_optimize_range_tests (gimple stmt) tree new_lhs = make_ssa_name (TREE_TYPE (lhs), NULL); enum tree_code rhs_code = gimple_assign_rhs_code (cast_stmt); - gimple g - = gimple_build_assign_with_ops (rhs_code, new_lhs, - new_op, NULL_TREE); + gimple g; + if (is_gimple_min_invariant (new_op)) + { + new_op = fold_convert (TREE_TYPE (lhs), new_op); + g = gimple_build_assign (new_lhs, new_op); + } + else + g = gimple_build_assign_with_ops (rhs_code, new_lhs, + new_op, NULL_TREE); gimple_stmt_iterator gsi = gsi_for_stmt (cast_stmt); gimple_set_uid (g, gimple_uid (cast_stmt)); gimple_set_visited (g, true); |