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-rw-r--r--gcc/tree-ssa-reassoc.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index 2e8337c8e6f..4714a389eb3 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -2250,8 +2250,13 @@ optimize_range_tests_diff (enum tree_code opcode, tree type,
if (tree_log2 (tem1) < 0)
return false;
+ type = unsigned_type_for (type);
+ tem1 = fold_convert (type, tem1);
+ tem2 = fold_convert (type, tem2);
+ lowi = fold_convert (type, lowi);
mask = fold_build1 (BIT_NOT_EXPR, type, tem1);
- tem1 = fold_binary (MINUS_EXPR, type, rangei->exp, lowi);
+ tem1 = fold_binary (MINUS_EXPR, type,
+ fold_convert (type, rangei->exp), lowi);
tem1 = fold_build2 (BIT_AND_EXPR, type, tem1, mask);
lowj = build_int_cst (type, 0);
if (update_range_test (rangei, rangej, 1, opcode, ops, tem1,