diff options
| -rw-r--r-- | gcc/gimple-range-fold.cc | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr104604.c | 34 |
2 files changed, 38 insertions, 2 deletions
diff --git a/gcc/gimple-range-fold.cc b/gcc/gimple-range-fold.cc index 2fc8376..dfacf6f 100644 --- a/gcc/gimple-range-fold.cc +++ b/gcc/gimple-range-fold.cc @@ -397,7 +397,8 @@ adjust_imagpart_expr (irange &res, const gimple *stmt) } return; } - if (is_gimple_assign (def_stmt)) + if (is_gimple_assign (def_stmt) + && gimple_assign_rhs_code (def_stmt) == COMPLEX_CST) { tree cst = gimple_assign_rhs1 (def_stmt); if (TREE_CODE (cst) == COMPLEX_CST) @@ -422,7 +423,8 @@ adjust_realpart_expr (irange &res, const gimple *stmt) if (!SSA_NAME_DEF_STMT (name)) return; - if (is_gimple_assign (def_stmt)) + if (is_gimple_assign (def_stmt) + && gimple_assign_rhs_code (def_stmt) == COMPLEX_CST) { tree cst = gimple_assign_rhs1 (def_stmt); if (TREE_CODE (cst) == COMPLEX_CST) diff --git a/gcc/testsuite/gcc.c-torture/execute/pr104604.c b/gcc/testsuite/gcc.c-torture/execute/pr104604.c new file mode 100644 index 0000000..c937e17 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr104604.c @@ -0,0 +1,34 @@ +/* PR tree-optimization/104604 */ + +unsigned char g; + +__attribute__((noipa)) +unsigned char +foo (_Complex unsigned c) +{ + unsigned char v = g; + _Complex unsigned t = 3; + t /= c; + return v + t; +} + +__attribute__((noipa)) +unsigned char +bar (_Complex unsigned c) +{ + unsigned char v = g; + _Complex unsigned t = 42; + t /= c; + return v + t; +} + +int +main () +{ + unsigned char x = foo (7); + if (x) + __builtin_abort (); + if (bar (7) != 6) + __builtin_abort (); + return 0; +} |