+; SSE: movapd %xmm4, %xmm8
+; SSE-NEXT: maxpd %xmm0, %xmm8
+; SSE-NEXT: cmpunordpd %xmm0, %xmm0
+; SSE-NEXT: andpd %xmm0, %xmm4
+; SSE-NEXT: andnpd %xmm8, %xmm0
+; SSE-NEXT: orpd %xmm4, %xmm0
+; SSE-NEXT: movapd %xmm5, %xmm4
+; SSE-NEXT: maxpd %xmm1, %xmm4
+; SSE-NEXT: cmpunordpd %xmm1, %xmm1
+; SSE-NEXT: andpd %xmm1, %xmm5
+; SSE-NEXT: andnpd %xmm4, %xmm1
+; SSE-NEXT: orpd %xmm5, %xmm1
+; SSE-NEXT: movapd %xmm6, %xmm4
+; SSE-NEXT: maxpd %xmm2, %xmm4
+; SSE-NEXT: cmpunordpd %xmm2, %xmm2
+; SSE-NEXT: andpd %xmm2, %xmm6
+; SSE-NEXT: andnpd %xmm4, %xmm2
+; SSE-NEXT: orpd %xmm6, %xmm2
+; SSE-NEXT: movapd %xmm7, %xmm4
+; SSE-NEXT: maxpd %xmm3, %xmm4
+; SSE-NEXT: cmpunordpd %xmm3, %xmm3
+; SSE-NEXT: andpd %xmm3, %xmm7
+; SSE-NEXT: andnpd %xmm4, %xmm3
+; SSE-NEXT: orpd %xmm7, %xmm3
+; SSE-NEXT: retq
+;
+; AVX: vmaxpd %ymm0, %ymm2, %ymm4
+; AVX-NEXT: vcmpunordpd %ymm0, %ymm0, %ymm0
+; AVX-NEXT: vblendvpd %ymm0, %ymm2, %ymm4, %ymm0
+; AVX-NEXT: vmaxpd %ymm1, %ymm3, %ymm2
+; AVX-NEXT: vcmpunordpd %ymm1, %ymm1, %ymm1
+; AVX-NEXT: vblendvpd %ymm1, %ymm3, %ymm2, %ymm1
+; AVX-NEXT: retq