diff options
Diffstat (limited to 'gcc/tree-ssa-reassoc.cc')
| -rw-r--r-- | gcc/tree-ssa-reassoc.cc | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/gcc/tree-ssa-reassoc.cc b/gcc/tree-ssa-reassoc.cc index 4017eea..3c38f3d 100644 --- a/gcc/tree-ssa-reassoc.cc +++ b/gcc/tree-ssa-reassoc.cc @@ -2925,30 +2925,22 @@ update_range_test (struct range_entry *range, struct range_entry *otherrange, !gsi_end_p (gsi); gsi_next (&gsi)) { gimple *stmt = gsi_stmt (gsi); - if (is_gimple_assign (stmt)) - if (tree lhs = gimple_assign_lhs (stmt)) - if ((INTEGRAL_TYPE_P (TREE_TYPE (lhs)) - || POINTER_TYPE_P (TREE_TYPE (lhs))) - && TYPE_OVERFLOW_UNDEFINED (TREE_TYPE (lhs))) - { - enum tree_code code = gimple_assign_rhs_code (stmt); - if (arith_code_with_undefined_signed_overflow (code)) - { - gimple_stmt_iterator gsip = gsi; - gimple_stmt_iterator gsin = gsi; - gsi_prev (&gsip); - gsi_next (&gsin); - rewrite_to_defined_overflow (&gsi); - unsigned uid = gimple_uid (stmt); - if (gsi_end_p (gsip)) - gsip = gsi_after_labels (bb); - else - gsi_next (&gsip); - for (; gsi_stmt (gsip) != gsi_stmt (gsin); - gsi_next (&gsip)) - gimple_set_uid (gsi_stmt (gsip), uid); - } - } + if (gimple_needing_rewrite_undefined (stmt)) + { + gimple_stmt_iterator gsip = gsi; + gimple_stmt_iterator gsin = gsi; + gsi_prev (&gsip); + gsi_next (&gsin); + rewrite_to_defined_unconditional (&gsi); + unsigned uid = gimple_uid (stmt); + if (gsi_end_p (gsip)) + gsip = gsi_after_labels (bb); + else + gsi_next (&gsip); + for (; gsi_stmt (gsip) != gsi_stmt (gsin); + gsi_next (&gsip)) + gimple_set_uid (gsi_stmt (gsip), uid); + } } if (opcode == BIT_IOR_EXPR |