[PATCH i-g-t] tests: Fix compilation when some gcc configurations

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Depending how the gcc was compiled it may be necessary to enable SSE4
instructions explicitly. Otherwise:

  CC       gem_gtt_speed.o
In file included from gem_gtt_speed.c:54:0:
/usr/lib/gcc/x86_64-linux-gnu/4.8/include/smmintrin.h:31:3: error: #error "SSE4.1 instruction set not enabled"
 # error "SSE4.1 instruction set not enabled"
   ^
gem_gtt_speed.c: In function ‘streaming_load’:
gem_gtt_speed.c:59:2: error: unknown type name ‘__m128i’
  __m128i tmp, *s = src;
  ^
gem_gtt_speed.c:65:3: error: implicit declaration of function ‘_mm_stream_load_si128’ [-Werror=implicit-function-declaration]
   tmp += _mm_stream_load_si128(s++);
   ^
gem_gtt_speed.c:65:3: warning: nested extern declaration of ‘_mm_stream_load_si128’ [-Wnested-externs]
gem_gtt_speed.c:70:2: error: unknown type name ‘__m128i’
  *(volatile __m128i *)src = tmp;
  ^

CC: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
---
 tests/Makefile.am | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 102b8a6..8c6b0a3 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -76,6 +76,7 @@ gem_ctx_basic_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 gem_ctx_basic_LDADD = $(LDADD) -lpthread
 gem_ctx_thrash_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 gem_ctx_thrash_LDADD = $(LDADD) -lpthread
+gem_exec_flush_CFLAGS = $(AM_CFLAGS) -msse4
 gem_exec_parallel_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 gem_exec_parallel_LDADD = $(LDADD) -lpthread
 gem_fence_thrash_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
@@ -84,6 +85,7 @@ gem_fence_upload_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 gem_fence_upload_LDADD = $(LDADD) -lpthread
 gem_flink_race_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 gem_flink_race_LDADD = $(LDADD) -lpthread
+gem_gtt_speed_CFLAGS = $(AM_CFLAGS) -msse4
 gem_mmap_gtt_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 gem_mmap_gtt_LDADD = $(LDADD) -lpthread
 gem_mmap_wc_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
-- 
2.5.0

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