[pypy-commit] pypy ppc-backend-2: Use negation of EQ bit instead of UNORDERED for FLOAT_NE and INT_NE.

[edelsohn]

Author: edelsohn
Branch: ppc-backend-2
Changeset: r55467:8f2c4f273410
Date: 2012-06-07 10:36 -0400
http://bitbucket.org/pypy/pypy/changeset/8f2c4f273410/

Log:    Use negation of EQ bit instead of UNORDERED for FLOAT_NE and INT_NE.

diff --git a/pypy/jit/backend/ppc/helper/assembler.py 
b/pypy/jit/backend/ppc/helper/assembler.py
--- a/pypy/jit/backend/ppc/helper/assembler.py
+++ b/pypy/jit/backend/ppc/helper/assembler.py
@@ -28,9 +28,7 @@
         elif condition == c.GT or condition == c.U_GT:
             self.mc.cror(0, 1, 1)
         elif condition == c.NE:
-            self.mc.cror(0, 0, 1)
-            if fp:
-                self.mc.cror(0, 0, 3)
+            self.mc.crnor(0, 2, 2)
         else:
             assert 0, "condition not known"
 
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