diff options
| author |   Dmitry Valter <d-valter@yandex-team.ru> | 2021-11-14 17:05:44 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2021-11-15 12:57:26 +0000 |
| commit | 923325f0ef7c4042decfbf25628a56fca5c79253 (patch) | |
| tree | 0f2ae60580bd74524e572f2ea9ae902f6fd51aca /src/vppinfra/vector/test | |
| parent | 23ff4ce21e71b697fb059ea82857413d993db9d0 (diff) | |
vppinfra: fix masks in AVX512 clib_count_equal_*
Mask result of uAxB_is_equal_mask when buffer is masked. Otherwise it
return vector length B as a result for zeroed words.
This bug caused crashes in error_drop in tests on Ice Lake.
Type: fix
Fixes: 7459be1b3626b608e60df574343a1432a068ebce
Change-Id: I56183e77f8a8ab6c530e79b465067958de84dceb
Signed-off-by: Dmitry Valter <d-valter@yandex-team.ru>
Diffstat (limited to 'src/vppinfra/vector/test')
| -rw-r--r-- | src/vppinfra/vector/test/count_equal.c | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/src/vppinfra/vector/test/count_equal.c b/src/vppinfra/vector/test/count_equal.c index cd1c8a5c4d1..1ca9735af4b 100644 --- a/src/vppinfra/vector/test/count_equal.c +++ b/src/vppinfra/vector/test/count_equal.c @@ -35,37 +35,42 @@ \ mprotect (data, 1ULL < ps, PROT_NONE); \ \ - for (int i = 1; i <= (1 << ps) / sizeof (data[0]); i++) \ - data[-i] = 7; \ - \ - for (int i = 0; i < ARRAY_LEN (lengths); i++) \ + for (u8 d = 0; d < 255; d++) \ { \ - uword rv, len = lengths[i]; \ - \ - if ((rv = wfn_##type (data - len, len)) != len) \ + for (int i = 1; i <= (1 << ps) / sizeof (data[0]); i++) \ + data[-i] = d; \ + for (int i = 0; i < ARRAY_LEN (lengths); i++) \ { \ - err = clib_error_return ( \ - err, "testcase 1 failed for len %u (rv %u)", len, rv); \ - goto done; \ - } \ + uword rv, len = lengths[i]; \ \ - data[-1] = 8; \ - if (len > 1 && ((rv = wfn_##type (data - len, len)) != len - 1)) \ - { \ - err = clib_error_return ( \ - err, "testcase 2 failed for len %u (rv %u)", len, rv); \ - goto done; \ - } \ - data[-1] = 7; \ + if ((rv = wfn_##type (data - len, len)) != len) \ + { \ + err = clib_error_return ( \ + err, "testcase 1 failed for len %u data %u(rv %u)", len, d, \ + rv); \ + goto done; \ + } \ \ - data[-2] = 8; \ - if (len > 2 && ((rv = wfn_##type (data - len, len)) != len - 2)) \ - { \ - err = clib_error_return ( \ - err, "testcase 3 failed for len %u (rv %u)", len, rv); \ - goto done; \ + data[-1] = d + 1; \ + if (len > 1 && ((rv = wfn_##type (data - len, len)) != len - 1)) \ + { \ + err = clib_error_return ( \ + err, "testcase 2 failed for len %u data %u (rv %u)", len, \ + d, rv); \ + goto done; \ + } \ + data[-1] = d; \ + \ + data[-2] = d + 1; \ + if (len > 2 && ((rv = wfn_##type (data - len, len)) != len - 2)) \ + { \ + err = clib_error_return ( \ + err, "testcase 3 failed for len %u data %u (rv %u)", len, \ + d, rv); \ + goto done; \ + } \ + data[-2] = d; \ } \ - data[-2] = 7; \ } \ \ done: \ |