diff -ruN -x CVS pkgsrc-2017Q2/lang/python36/distinfo pkgsrc/lang/python36/distinfo
--- pkgsrc-2017Q2/lang/python36/distinfo	2017-05-30 15:57:16.000000000 +0200
+++ pkgsrc/lang/python36/distinfo	2017-08-04 13:06:51.775100776 +0200
@@ -19,3 +19,4 @@
 SHA1 (patch-configure) = 4ff8db02b5919f2e297e91411aa64806f2fca3c1
 SHA1 (patch-pyconfig.h.in) = 58e2c03489f9b6e4d88f144d8c09773f92eacd61
 SHA1 (patch-setup.py) = 1e14b84fc5cb21b3fa61755bf574021ba9b2ab81
+SHA1 (patch-blake2s-load-xop.h) = f9f11cae9dfa0510f1841199bcdbb6899b38ee4d 
diff -ruN -x CVS pkgsrc-2017Q2/lang/python36/patches/patch-blake2s-load-xop.h pkgsrc/lang/python36/patches/patch-blake2s-load-xop.h
--- pkgsrc-2017Q2/lang/python36/patches/patch-blake2s-load-xop.h	1970-01-01 01:00:00.000000000 +0100
+++ pkgsrc/lang/python36/patches/patch-blake2s-load-xop.h	2017-08-04 13:01:02.806124872 +0200
@@ -0,0 +1,23 @@
+--- Modules/_blake2/impl/blake2s-load-xop.h.orig	2017-08-04 12:59:48.596470093 +0200
++++ Modules/_blake2/impl/blake2s-load-xop.h	2017-08-04 13:00:28.807199287 +0200
+@@ -18,8 +18,9 @@
+ 
+ #define TOB(x) ((x)*4*0x01010101 + 0x03020100) /* ..or not TOB */
+ 
++#if 0
+ /* Basic VPPERM emulation, for testing purposes */
+-/*static __m128i _mm_perm_epi8(const __m128i src1, const __m128i src2, const __m128i sel)
++static __m128i _mm_perm_epi8(const __m128i src1, const __m128i src2, const __m128i sel)
+ {
+    const __m128i sixteen = _mm_set1_epi8(16);
+    const __m128i t0 = _mm_shuffle_epi8(src1, sel);
+@@ -27,7 +28,8 @@
+    const __m128i mask = _mm_or_si128(_mm_cmpeq_epi8(sel, sixteen),
+                                      _mm_cmpgt_epi8(sel, sixteen)); /* (>=16) = 0xff : 00 */
+    return _mm_blendv_epi8(t0, s1, mask);
+-}*/
++}
++#endif
+ 
+ #define LOAD_MSG_0_1(buf) \
+ buf = _mm_perm_epi8(m0, m1, _mm_set_epi32(TOB(6),TOB(4),TOB(2),TOB(0)) );