diff options
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 0ce134d..402b3d1 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -3982,7 +3982,7 @@ handle_lhs_call (gimple stmt, tree lhs, int flags, vec<ce_s> rhsc, struct constraint_expr tmpc; rhsc.create (0); vi = make_heapvar ("HEAP"); - /* We marking allocated storage local, we deal with it becoming + /* We are marking allocated storage local, we deal with it becoming global by escaping and setting of vars_contains_escaped_heap. */ DECL_EXTERNAL (vi->decl) = 0; vi->is_global_var = 0; @@ -4231,6 +4231,26 @@ find_func_aliases_for_builtin_call (gimple t) lhsc.release (); return true; } + case BUILT_IN_POSIX_MEMALIGN: + { + tree ptrptr = gimple_call_arg (t, 0); + get_constraint_for (ptrptr, &lhsc); + do_deref (&lhsc); + varinfo_t vi = make_heapvar ("HEAP"); + /* We are marking allocated storage local, we deal with it becoming + global by escaping and setting of vars_contains_escaped_heap. */ + DECL_EXTERNAL (vi->decl) = 0; + vi->is_global_var = 0; + struct constraint_expr tmpc; + tmpc.var = vi->id; + tmpc.offset = 0; + tmpc.type = ADDRESSOF; + rhsc.safe_push (tmpc); + process_all_all_constraints (lhsc, rhsc); + lhsc.release (); + rhsc.release (); + return true; + } case BUILT_IN_ASSUME_ALIGNED: { tree res = gimple_call_lhs (t); @@ -4960,6 +4980,7 @@ find_func_clobbers (gimple origt) its argument. */ case BUILT_IN_MEMSET: case BUILT_IN_MEMSET_CHK: + case BUILT_IN_POSIX_MEMALIGN: { tree dest = gimple_call_arg (t, 0); unsigned i; |