[PATCH] eal: fix undeclared function error on old CPUs

[Andre Muezerie]

Error reported:
../lib/net/net_crc_sse.c:49:17: error: call to undeclared function
'_mm_clmulepi64_si128'; ISO C99 and later do not support implicit
function declarations [-Wimplicit-function-declaration]

The fix is to remove the unnecessary ifdef around the inclusion of
header file immintrin.h. This header also contains functions that do
not require AVX instructions, so should not be included only when AVX
is available.

Bugzilla ID: 1595
Fixes: da826b7135a4 ("eal: introduce ymm type for AVX 256-bit")
Cc: stable at dpdk.org

Signed-off-by: Andre Muezerie <andremue at linux.microsoft.com>
---
 lib/eal/x86/include/rte_vect.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/eal/x86/include/rte_vect.h b/lib/eal/x86/include/rte_vect.h
index 5ac3ccfd82..5fdcd632ac 100644
--- a/lib/eal/x86/include/rte_vect.h
+++ b/lib/eal/x86/include/rte_vect.h
@@ -19,9 +19,7 @@
 
 #if defined(__ICC) || defined(_WIN64)
 #include <smmintrin.h> /* SSE4 */
-#if defined(__AVX__)
 #include <immintrin.h>
-#endif
 #else
 #include <x86intrin.h>
 #endif
-- 
2.47.0.vfs.0.3