tree-ssa-math-opts.c (convert_plusminus_to_widen): Permit a single conversion stateme...

tree-ssa-math-opts.c (convert_plusminus_to_widen): Permit a single conversion statement separating multiply-and-accumulate.

2011-08-19  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* tree-ssa-math-opts.c (convert_plusminus_to_widen): Permit a single
	conversion statement separating multiply-and-accumulate.

	gcc/testsuite/
	* gcc.target/arm/wmul-5.c: New file.
	* gcc.target/arm/no-wmla-1.c: New file.

From-SVN: r177904