commit f051e43b22af014364e231c36489e6745993ea34
author Christian Heimes <christian@python.org> Tue Sep 13 20:22:02 2016 +0200
committer Christian Heimes <christian@python.org> Tue Sep 13 20:22:02 2016 +0200
tree 7a35470d92a6a5146bfa321bda6f9024e90adc7d
parent a4d9b17b1fd0f3432c72d686c7668169e39e7119

Issue #28126: Replace Py_MEMCPY with memcpy(). Visual Studio can properly optimize memcpy().

Python/marshal.c

diff --git a/Python/marshal.c b/Python/marshal.c
index 627a842..87a4b24 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -130,7 +130,7 @@
     m = p->end - p->ptr;
     if (p->fp != NULL) {
         if (n <= m) {
-            Py_MEMCPY(p->ptr, s, n);
+            memcpy(p->ptr, s, n);
             p->ptr += n;
         }
         else {
@@ -140,7 +140,7 @@
     }
     else {
         if (n <= m || w_reserve(p, n - m)) {
-            Py_MEMCPY(p->ptr, s, n);
+            memcpy(p->ptr, s, n);
             p->ptr += n;
         }
     }

Python/pyhash.c

diff --git a/Python/pyhash.c b/Python/pyhash.c
index 9080d25..57a2da7 100644
--- a/Python/pyhash.c
+++ b/Python/pyhash.c
@@ -396,7 +396,7 @@
         case 7: pt[6] = m[6];
         case 6: pt[5] = m[5];
         case 5: pt[4] = m[4];
-        case 4: Py_MEMCPY(pt, m, sizeof(uint32_t)); break;
+        case 4: memcpy(pt, m, sizeof(uint32_t)); break;
         case 3: pt[2] = m[2];
         case 2: pt[1] = m[1];
         case 1: pt[0] = m[0];