intel: compiler: prevent integer overflow

CID: 1399477, 1399478 (Integer handling issues)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Lionel Landwerlin
2017-05-08 18:55:06 +01:00
parent 85182e490c
commit 32f14332f5

View File

@@ -621,7 +621,7 @@ general_restrictions_on_region_parameters(const struct gen_device_info *devinfo,
/* VertStride must be used to cross GRF register boundaries. This rule
* implies that elements within a 'Width' cannot cross GRF boundaries.
*/
const uint64_t mask = (1 << element_size) - 1;
const uint64_t mask = (1ULL << element_size) - 1;
unsigned rowbase = subreg;
for (int y = 0; y < exec_size / width; y++) {
@@ -674,7 +674,7 @@ align1_access_mask(uint64_t access_mask[static 32],
unsigned exec_size, unsigned element_size, unsigned subreg,
unsigned vstride, unsigned width, unsigned hstride)
{
const uint64_t mask = (1 << element_size) - 1;
const uint64_t mask = (1ULL << element_size) - 1;
unsigned rowbase = subreg;
unsigned element = 0;