gcc/
2012-02-02  Jia Liu  <proljc@gmail.com>

	* config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
	than operand 2.

gcc/testsuite/
	* gcc.target/mips/mips-prepend-1.c: New test.

From-SVN: r183841