Author: Armin Rigo <[email protected]>
Branch:
Changeset: r45551:c7482c194d60
Date: 2011-07-13 15:23 +0200
http://bitbucket.org/pypy/pypy/changeset/c7482c194d60/
Log: Support the no-op force_cast(Float) -> Float. Complain when seeing
any other usage of Float in force_cast.
diff --git a/pypy/jit/codewriter/jtransform.py
b/pypy/jit/codewriter/jtransform.py
--- a/pypy/jit/codewriter/jtransform.py
+++ b/pypy/jit/codewriter/jtransform.py
@@ -809,8 +809,15 @@
return self.force_cast_without_longlong(op.args[0], op.result)
def force_cast_without_longlong(self, v_arg, v_result):
- from pypy.rpython.lltypesystem.rffi import size_and_sign, sizeof
+ from pypy.rpython.lltypesystem.rffi import size_and_sign, sizeof, FLOAT
from pypy.rlib.rarithmetic import intmask
+ #
+ if (v_result.concretetype in (FLOAT, lltype.Float) or
+ v_arg.concretetype in (FLOAT, lltype.Float)):
+ assert (v_result.concretetype == lltype.Float and
+ v_arg.concretetype == lltype.Float), "xxx unsupported cast"
+ return
+ #
size2, unsigned2 = size_and_sign(v_result.concretetype)
assert size2 <= sizeof(lltype.Signed)
if size2 == sizeof(lltype.Signed):
diff --git a/pypy/jit/codewriter/test/test_flatten.py
b/pypy/jit/codewriter/test/test_flatten.py
--- a/pypy/jit/codewriter/test/test_flatten.py
+++ b/pypy/jit/codewriter/test/test_flatten.py
@@ -854,6 +854,14 @@
int_return %i0
""", transform=True)
+ def test_force_cast_float(self):
+ from pypy.rpython.lltypesystem import rffi
+ def f(n):
+ return rffi.cast(lltype.Float, n)
+ self.encoding_test(f, [12.456], """
+ float_return %f0
+ """, transform=True)
+
def test_direct_ptradd(self):
from pypy.rpython.lltypesystem import rffi
def f(p, n):
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