diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 9b7c50674ad..497359e0e2a 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -554,6 +554,11 @@ static int flag_gcse; static int flag_rerun_cse_after_loop; +/* Nonzero means to assume that a structure or an array reference at + a varying address cannot alias a scalar at a fixed address. */ + +int flag_structure_noalias = 0; + /* Nonzero means to run loop optimizations twice. */ int flag_rerun_loop_opt; @@ -840,6 +845,8 @@ lang_independent_options f_options[] = "Perform the global common subexpression elimination" }, {"rerun-cse-after-loop", &flag_rerun_cse_after_loop, 1, "Run CSE pass after loop optimisations"}, + {"structure-noalias", &flag_structure_noalias, 1, + "Assume structure / array reference and fixed scalar cannot alias"}, {"rerun-loop-opt", &flag_rerun_loop_opt, 1, "Run the loop optimiser twice"}, {"pretend-float", &flag_pretend_float, 1, |