================
@@ -4742,6 +4742,125 @@ static __inline__ __m128d __DEFAULT_FN_ATTRS
_mm_castsi128_pd(__m128i __a) {
return (__m128d)__a;
}
+/// Compares each of the corresponding double-precision values of two
+/// 128-bit vectors of [2 x double], using the operation specified by the
+/// immediate integer operand.
+///
+/// Returns a [2 x double] vector consisting of two doubles corresponding to
+/// the two comparison results: zero if the comparison is false, and all 1's
+/// if the comparison is true.
+///
+/// \headerfile <x86intrin.h>
+///
+/// \code
+/// __m128d _mm_cmp_pd(__m128d a, __m128d b, const int c);
+/// \endcode
+///
+/// This intrinsic corresponds to the <c> VCMPPD </c> instruction.
+///
+/// \param a
+/// A 128-bit vector of [2 x double].
+/// \param b
+/// A 128-bit vector of [2 x double].
+/// \param c
+/// An immediate integer operand, with bits [4:0] specifying which
comparison
----------------
FreddyLeaf wrote:
> How about add sema check for SSE case? Users need to remind they may get
> unexpected result due to not enable AVX feature.
Good idea, addressed in 85d84aa16d142f3541390307184cd95cdf548813
https://github.com/llvm/llvm-project/pull/67410
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