[PATCH rdma-core 2/3] util/mmio.c: Fix compilation errors when __SSE__ is not set on 32 bit

[Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

From: Alaa Hleihel <alaa-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

When building for 32 bit, the compilation may fail with the following
errors in case that __SSE__ is not set:

In file included from ../util/mmio.c:37:0:
/usr/lib/gcc/x86_64-linux-gnu/4.8/include/xmmintrin.h:31:3: error: #error "SSE instruction set not enabled"

Signed-off-by: Alaa Hleihel <alaa-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Signed-off-by: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
 util/mmio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/util/mmio.c b/util/mmio.c
index b362a65e..cea4a727 100644
--- a/util/mmio.c
+++ b/util/mmio.c
@@ -33,7 +33,7 @@ static void pthread_mmio_write64_be(void *addr, __be64 val)
 	mmio_wc_spinunlock(&mmio_spinlock);
 }
 
-#if defined(__i386__)
+#if defined(__i386__) && defined(__SSE__)
 #include <xmmintrin.h>
 #include <cpuid.h>
 
@@ -73,7 +73,7 @@ write64_fn_t resolve_mmio_write64_be(void) __asm__("mmio_write64_be");
 
 write64_fn_t resolve_mmio_write64_be(void)
 {
-#if defined(__i386__)
+#if defined(__i386__) && defined(__SSE__)
 	if (have_sse())
 		return &sse_mmio_write64_be;
 #endif
-- 
2.15.0

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