https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81752
Thomas Schwinge <tschwinge at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|nvptx |
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-08-08
Component|libgomp |other
Summary|num_gangs(65536) converted |Sanity-check OMP clause
|to 0 |arguments, command-line
| |flags, and environment
| |variables
Ever confirmed|0 |1
--- Comment #1 from Thomas Schwinge <tschwinge at gcc dot gnu.org> ---
We're often using "unsigned short" to store dimension clauses, and sometimes
"int" or "unsigned int". I'd say that "unsigned short" is an OK limitation,
but we should add compile-time overflow checks whenever we evaluate constant
clause arguments' values, and compile-time type-size checks for non-constant
arguments (actually, the latter check would work for both cases?),
corresponding checks for "-fopenacc-dim" parsing, and run-time checks in
libgomp for the "GOMP_OPENACC_DIM" environment variable.
And then, the same issue no doubt applies to other OMP clause arguments,
command-line flags, and environment variables, too. (Thus adjusting the
"Summary".)
