"Joseph S. Myers" writes:
> See PR 48580 for discussion of possible approaches for representing
> overflow detection and handling (and, in particular, making -ftrapv work
> properly and making -fwrapv and -ftrapv affect the IR generated by front
> ends instead of being global flags), both in G
See PR 48580 for discussion of possible approaches for representing
overflow detection and handling (and, in particular, making -ftrapv work
properly and making -fwrapv and -ftrapv affect the IR generated by front
ends instead of being global flags), both in GIMPLE and at the C source
level.
-
Hi,
I was wondering whether there is an easy way for a front end to detect
whether an integer overflow had occurred? Currently the GNU Modula-2
front end will detect cardinal number and integer subrange out of bound
(during assignment, INC and DEC). However it does not detect overflows
for thes
