diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 7cfb29e..f2c352f 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -977,8 +977,12 @@ typedef struct } lang_independent_options; +/* Nonzero if signed arithmetic overflow should trap. */ int flag_trapv = 0; +/* Nonzero if signed arithmetic overflow should wrap around. */ +int flag_wrapv = 0; + /* Add or remove a leading underscore from user symbols. */ int flag_leading_underscore = -1; @@ -1220,6 +1224,8 @@ static const lang_independent_options f_options[] = N_("Report on permanent memory allocation at end of run") }, { "trapv", &flag_trapv, 1, N_("Trap for signed overflow in addition / subtraction / multiplication") }, + { "wrapv", &flag_wrapv, 1, + N_("Assume signed arithmetic overflow wraps around") }, { "new-ra", &flag_new_regalloc, 1, N_("Use graph coloring register allocation.") }, }; |