diff options
Diffstat (limited to 'lib/librte_lpm/rte_lpm_sse.h')
| -rw-r--r-- | lib/librte_lpm/rte_lpm_sse.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/librte_lpm/rte_lpm_sse.h b/lib/librte_lpm/rte_lpm_sse.h index ef33c6a1..5f2c4d4a 100644 --- a/lib/librte_lpm/rte_lpm_sse.h +++ b/lib/librte_lpm/rte_lpm_sse.h @@ -78,7 +78,8 @@ rte_lpm_lookupx4(const struct rte_lpm *lpm, xmm_t ip, uint32_t hop[4], /* extract values from tbl24[] */ idx = _mm_cvtsi128_si64(i24); - i24 = _mm_srli_si128(i24, sizeof(uint64_t)); + /* With -O0 option, gcc 4.8 - 5.4 fails to fold sizeof() into a constant */ + i24 = _mm_srli_si128(i24, /* sizeof(uint64_t) */ 8); ptbl = (const uint32_t *)&lpm->tbl24[(uint32_t)idx]; tbl[0] = *ptbl; |