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__builtin_shuffle appeared in gcc-4.7 

__builtin_shufflevector was already in clang-3.1, and CGAL only supports
6+, so at least that is safe.
This commit is contained in:
Marc Glisse 2019-01-11 23:11:33 +01:00
parent 5f3912d2db
commit 76abbe694e
1 changed files with 2 additions and 1 deletions
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3
Number_types/include/CGAL/FPU.h
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@ -276,7 +276,8 @@ inline __m128d IA_opacify128_weak(__m128d x)
inline __m128d swap_m128d(__m128d x){
# ifdef __llvm__
return __builtin_shufflevector(x, x, 1, 0);
# elif defined __GNUC__ && !defined __INTEL_COMPILER
# elif defined __GNUC__ && !defined __INTEL_COMPILER \
&& __GNUC__ * 100 + __GNUC_MINOR__ >= 407
return __builtin_shuffle(x, (__m128i){ 1, 0 });
# else
return _mm_shuffle_pd(x, x, 1);