Hi,

     Could a gatekeeper please review the attached patch which fixes bug 971?

Fix:

The operands of instruction "pandn" are not commutative. Currently this opcode 
is placed in the "commutative" group which is the cause of defect. This opcode 
is removed from commutative group.

Regards,
Shivaram


Index: common/targ_info/isa/x8664/isa_properties.cxx
===================================================================
--- common/targ_info/isa/x8664/isa_properties.cxx       (revision 3921)
+++ common/targ_info/isa/x8664/isa_properties.cxx       (working copy)
@@ -11489,7 +11489,6 @@
                     TOP_pavgw128,
                     TOP_psadbw128,
                     TOP_pand,
-                    TOP_pandn,
                     TOP_por,
                     TOP_pxor,
                      TOP_vfaddsd,
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