Initial txvu support.

gas/testsuite/gas/txvu/.Sanitize

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+# Sanitize.in for devo/gas/testsuite/gas/txvu.
+
+# Each directory to survive it's way into a release will need a file
+# like this one called "./.Sanitize".  All keyword lines must exist,
+# and must exist in the order specified by this file.  Each directory
+# in the tree will be processed, top down, in the following order.
+
+# Hash started lines like this one are comments and will be deleted
+# before anything else is done.  Blank lines will also be squashed
+# out.
+
+# The lines between the "Do-first:" line and the "Things-to-keep:"
+# line are executed as a /bin/sh shell script before anything else is
+# done in this 
+
+Do-first:
+
+# All files listed between the "Things-to-keep:" line and the
+# "Files-to-sed:" line will be kept.  All other files will be removed.
+# Directories listed in this section will have their own Sanitize
+# called.  Directories not listed will be removed in their entirety
+# with rm -rf.
+
+Things-to-keep:
+
+txvu.exp
+basic.d
+basic.s
+
+Things-to-lose:
+
+Do-last:
+
+for i in * ; do
+	if test ! -d $i && (grep sanitize $i > /dev/null) ; then
+		echo '***' Some mentions of Sanitize are still left in $i! 1>&2
+	fi
+done
+
+# End of file.

gas/testsuite/gas/txvu/basic-1.d

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+#as:
+#objdump: -dr
+#name: basic-1
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0* <foo>:
+ *0:	fd a1 ca 01 	abs.xyz vf10,vf20 || waitp
+ *4:	bf 07 00 80 
+ *8:	a8 a2 fe 01 	add.xyzw vf10,vf20,vf30 || waitq
+ *c:	bf 03 00 80 

gas/testsuite/gas/txvu/basic-1.s

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+; Simple testsuite, to get something going.
+
+foo:
+	abs.xyz vf10,vf20       | waitp
+	add.xyzw vf10,vf20,vf30 | waitq

gas/testsuite/gas/txvu/txvu.exp

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+# TXVU testcases
+
+if [istarget txvu-*-*] {
+    run_dump_test "basic-1"
+}