Fix bug in value_bits_valid.

http://sourceware.org/ml/gdb-patches/2013-07/msg00174.html

	* value.c (value_bits_valid): If the value is not lval_computed
	or has no check validity handler then the answer is the
	optimized_out flag, otherwise defer to the handler.
Add $gdb_prompt to test regexp.

http://sourceware.org/ml/gdb-patches/2013-07/msg00173.html

	* gdb.python/py-explore.exp: Add $gdb_prompt to test regexp.
2013-07-08  Andreas Arnez  <arnez@linux.vnet.ibm.com>

	* gdb.threads/wp-replication.exp: Stop counting available hardware
	watchpoints after NR_THREADS iterations.
2013-07-08  Tristan Gingold  <gingold@adacore.com>

	* ia64.h (STB_VMS_WEAK, STB_VMS_SYSTEM): Add.
Replace Xmmword with Qword on cvttps2pi

gas/testsuite/

	PR gas/13572
	* gas/i386/simd.s: Add a test for cvttps2pi.
	* gas/i386/simd-intel.d: Updated.
	* gas/i386/simd.d: Likewise.

opcodes/

	PR gas/13572
	* i386-opc.tbl: Replace Xmmword with Qword on cvttps2pi.
	* i386-tbl.h: Regenerated.