Author: Armin Rigo <ar...@tunes.org>
Branch: remove-raisingops
Changeset: r84734:3e61de65d2dc
Date: 2016-05-27 20:32 +0200
http://bitbucket.org/pypy/pypy/changeset/3e61de65d2dc/
Log: (untested) check the call(div) => uint_mul_high replacement
diff --git a/pypy/module/pypyjit/test_pypy_c/test_shift.py
b/pypy/module/pypyjit/test_pypy_c/test_shift.py
--- a/pypy/module/pypyjit/test_pypy_c/test_shift.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_shift.py
@@ -49,7 +49,8 @@
while a < 300:
res1 = a/b # ID: div
res2 = a/2 # ID: shift
- res += res1 + res2
+ res3 = a/11 # ID: mul
+ res += res1 + res2 + res3
a += 1
return res
#
@@ -65,6 +66,17 @@
assert loop.match_by_id('shift', """
i1 = int_rshift(i2, 1)
""")
+ if sys.maxint > 2**32:
+ args = (63, -5030930201920786804, 3)
+ else:
+ args = (31, -1171354717, 3)
+ assert loop.match_by_id('mul', """
+ i2 = int_rshift(i1, %d)
+ i3 = int_xor(i1, i2)
+ i4 = uint_mul_high(i3, %d)
+ i5 = uint_rshift(i4, %d)
+ i6 = int_xor(i5, i2)
+ """ % args)
def test_division_to_rshift_allcases(self):
"""
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