diff options
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 2e2b0e8..d8ff2ce6 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4900,6 +4900,9 @@ find_func_aliases (struct function *fn, gimple *origt) if (code == POINTER_PLUS_EXPR) get_constraint_for_ptr_offset (gimple_assign_rhs1 (t), gimple_assign_rhs2 (t), &rhsc); + else if (code == POINTER_DIFF_EXPR) + /* The result is not a pointer (part). */ + ; else if (code == BIT_AND_EXPR && TREE_CODE (gimple_assign_rhs2 (t)) == INTEGER_CST) { @@ -4908,6 +4911,17 @@ find_func_aliases (struct function *fn, gimple *origt) get_constraint_for_ptr_offset (gimple_assign_rhs1 (t), NULL_TREE, &rhsc); } + else if (code == TRUNC_DIV_EXPR + || code == CEIL_DIV_EXPR + || code == FLOOR_DIV_EXPR + || code == ROUND_DIV_EXPR + || code == EXACT_DIV_EXPR + || code == TRUNC_MOD_EXPR + || code == CEIL_MOD_EXPR + || code == FLOOR_MOD_EXPR + || code == ROUND_MOD_EXPR) + /* Division and modulo transfer the pointer from the LHS. */ + get_constraint_for_rhs (gimple_assign_rhs1 (t), &rhsc); else if ((CONVERT_EXPR_CODE_P (code) && !(POINTER_TYPE_P (gimple_expr_type (t)) && !POINTER_TYPE_P (TREE_TYPE (rhsop)))) |