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intel: compiler: prevent integer overflow

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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
1 changed files with 2 additions and 2 deletions
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4
src/intel/compiler/brw_eu_validate.c
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@@ -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 /* VertStride must be used to cross GRF register boundaries. This rule
* implies that elements within a 'Width' cannot cross GRF boundaries. * 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; unsigned rowbase = subreg;
for (int y = 0; y < exec_size / width; y++) { 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 exec_size, unsigned element_size, unsigned subreg,
unsigned vstride, unsigned width, unsigned hstride) 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 rowbase = subreg;
unsigned element = 0; unsigned element = 0;