diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index adc582b9581..7eb3d207415 100644 --- a/configure.ac +++ b/configure.ac @@ -383,10 +383,11 @@ save_CFLAGS="$CFLAGS" CFLAGS="$SSE41_CFLAGS $CFLAGS" AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ #include <smmintrin.h> +int param; int main () { - __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c; + __m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c; c = _mm_max_epu32(a, b); - return 0; + return _mm_cvtsi128_si32(c); }]])], SSE41_SUPPORTED=1) CFLAGS="$save_CFLAGS" if test "x$SSE41_SUPPORTED" = x1; then |