/* { dg-do assemble { target { avx512bw && { avx512vl && { ! ia32 } } } } } */ /* { dg-options "-O2 -mavx512bw -mavx512vl" } */ #include void f1 (__m128i x, __m128i y) { register __m128i a __asm ("xmm16"), b __asm ("xmm17"); a = x; b = y; asm volatile ("" : "+v" (a), "+v" (b)); a = _mm_madd_epi16 (a, b); asm volatile ("" : "+v" (a)); } void f2 (__m256i x, __m256i y) { register __m256i a __asm ("xmm16"), b __asm ("xmm17"); a = x; b = y; asm volatile ("" : "+v" (a), "+v" (b)); a = _mm256_madd_epi16 (a, b); asm volatile ("" : "+v" (a)); }