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diff --git a/sim/testsuite/sim/arm/iwmmxt/wzero.cgs b/sim/testsuite/sim/arm/iwmmxt/wzero.cgs
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+# Intel(r) Wireless MMX(tm) technology testcase for WZERO
+# mach: xscale
+# as: -mcpu=xscale+iwmmxt
+
+ .include "testutils.inc"
+
+ start
+
+ .global wzero
+wzero:
+ # Enable access to CoProcessors 0 & 1 before
+ # we attempt these instructions.
+
+ mvi_h_gr r1, 3
+ mcr p15, 0, r1, cr15, cr1, 0
+
+ mvi_h_gr r0, 0x12345678
+ mvi_h_gr r1, 0x9abcdef0
+
+ tmcrr wr0, r0, r1
+
+ wzero wr0
+
+ tmrrc r0, r1, wr0
+
+ test_h_gr r0, 0x00000000
+ test_h_gr r1, 0x00000000
+
+ pass