Author: fijal
Branch: jit-leaner-frontend
Changeset: r83349:3fe35633374e
Date: 2016-03-25 13:47 +0200
http://bitbucket.org/pypy/pypy/changeset/3fe35633374e/
Log: improve casts
diff --git a/rpython/jit/metainterp/opencoder.py
b/rpython/jit/metainterp/opencoder.py
--- a/rpython/jit/metainterp/opencoder.py
+++ b/rpython/jit/metainterp/opencoder.py
@@ -26,6 +26,11 @@
MIN_SHORT = 0
MAX_SHORT = 2**16 - 1
+def expand_sizes_to_signed():
+ """ This function will make sure we can use sizes all the
+ way up to lltype.Signed for indexes everywhere
+ """
+
class FrontendTagOverflow(Exception):
pass
@@ -464,7 +469,7 @@
def tag(kind, pos):
#if not SMALL_INT_START <= pos < SMALL_INT_STOP:
# raise some error
- return (pos << TAGSHIFT) | kind
+ return rffi.cast(STORAGE_TP, (pos << TAGSHIFT) | kind)
def untag(tagged):
return intmask(tagged) & TAGMASK, intmask(tagged) >> TAGSHIFT
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