sse2: add NEON implementation of simde_mm_castpd_si128
@@ -1432,6 +1432,8 @@ simde__m128i
simde_mm_castpd_si128 (simde__m128d a) {
#if defined(SIMDE_X86_SSE2_NATIVE)
return _mm_castpd_si128(a);
+ #elif defined(SIMDE_ARM_NEON_A64V8_NATIVE)
+ return vreinterpretq_s64_f64(a);
#else
simde__m128i r;
simde_memcpy(&r, &a, sizeof(a));
