octeon-exts-7.c (bar): Make sure the extraction of b requires a 64-bit...

octeon-exts-7.c (bar): Make sure the extraction of b requires a 64-bit operation followed by a truncation.

gcc/testsuite/
	* gcc.target/mips/octeon-exts-7.c (bar): Make sure the extraction of
	b requires a 64-bit operation followed by a truncation.

From-SVN: r193118