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gpu: nvgpu: unit: fix the ffs test

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The LSB position is 1 in ffs, fix the ffs test parameters accordingly.

Jira NVGPU-2149

Change-Id: Ic67199b43b36e0ff98671ada301b71be85037ac9
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2107277
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
ajesh
2019-04-26 22:26:54 +05:30
committed by mobile promotions
parent ff4de9c9c1
commit 8f24fc351e
1 changed files with 11 additions and 11 deletions
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22
userspace/units/posix/bitops/posix-bitops.c
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@@ -68,16 +68,16 @@ static int test_ffs(struct unit_module *m, struct gk20a *g, void *args)
unsigned long i;
CHECK_FFS_WORD(single_ulong_maps[0], BITS_PER_LONG - 1UL);
CHECK_FFS_WORD(single_ulong_maps[1], 0UL);
CHECK_FFS_WORD(single_ulong_maps[2], 8UL);
CHECK_FFS_WORD(single_ulong_maps[3], 0UL);
CHECK_FFS_WORD(single_ulong_maps[4], 0UL);
CHECK_FFS_WORD(single_ulong_maps[5], 0UL);
CHECK_FFS_WORD(single_ulong_maps[6], 16UL);
CHECK_FFS_WORD(single_ulong_maps[7], 0UL);
CHECK_FFS_WORD(single_ulong_maps[8], 31UL);
CHECK_FFS_WORD(single_ulong_maps[9], 16UL);
CHECK_FFS_WORD(single_ulong_maps[0], 0UL);
CHECK_FFS_WORD(single_ulong_maps[1], 1UL);
CHECK_FFS_WORD(single_ulong_maps[2], 9UL);
CHECK_FFS_WORD(single_ulong_maps[3], 1UL);
CHECK_FFS_WORD(single_ulong_maps[4], 1UL);
CHECK_FFS_WORD(single_ulong_maps[5], 1UL);
CHECK_FFS_WORD(single_ulong_maps[6], 17UL);
CHECK_FFS_WORD(single_ulong_maps[7], 1UL);
CHECK_FFS_WORD(single_ulong_maps[8], 32UL);
CHECK_FFS_WORD(single_ulong_maps[9], 17UL);
#undef CHECK_FFS_WORD
@@ -86,7 +86,7 @@ static int test_ffs(struct unit_module *m, struct gk20a *g, void *args)
* possible return values of the function.
*/
for (i = 0; i < BITS_PER_LONG; i++) {
if (ffs(BIT(i)) != i)
if (ffs(BIT(i)) != (i + 1))
unit_return_fail(m, "ffs(1 << %lu) != %lu [%lu]!\n",
i, i, ffs(BIT(i)));
}