2015-02-17  Sandra Loosemore  <sandra@codesourcery.com>

	libgcc/
	* config/arm/bpabi.S (test_div_by_zero): Make label names
	consistent between thumb2 and arm mode cases.  Separate the
	signed comparison on the high word of the numerator from the
	unsigned comparison on the low word.
	* config/arm/bpabi-v6m.S (test_div_by_zero): Similarly separate
	signed comparison.

	gcc/testsuite/
	* gcc.target/arm/divzero.c: New test case.

From-SVN: r220765