Author: Christian Tismer <[email protected]>
Branch: win64-stage1
Changeset: r49680:b181f2e7e428
Date: 2011-11-23 03:16 +0100
http://bitbucket.org/pypy/pypy/changeset/b181f2e7e428/
Log: Added a bit to commondefs.h about the work in progress. A document
about the migration should be added, too.
diff --git a/pypy/translator/c/src/commondefs.h
b/pypy/translator/c/src/commondefs.h
--- a/pypy/translator/c/src/commondefs.h
+++ b/pypy/translator/c/src/commondefs.h
@@ -11,6 +11,21 @@
In particular, Win64 is not supported because it has sizeof(long) == 4.
To fix this, find and review all the places that cast a pointer to a long.
+
+ Update:
+ We are trying to lift this restriction for Win64:
+
+ Win64 int long long long void*
+ --64-bit-- 32 32 64 64
+
+ The migration to this platform is complicated and tedious, because
+ PyPy assumes that a void* fits into a long. Therefore, the created PyPy
+ will (first) have a 64 bit int type. The dependency of sys.maxint must
+ be removed in very many places, and the distinction between Python int
+ and long must be changed in explicit range checks.
+
+ This is work in progress with first successes.
+
*/
#include <limits.h>
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