[PATCH, v5] ARM: Add Cortex-A15 optimized NEON and VFP memcpy routines, with IFUNC.

[Joseph S. Myers]

On Tue, 30 Apr 2013, Will Newton wrote:

> 	* sysdeps/arm/configure.in: Require binutils 2.21 to build
> 	for armv7.

	* sysdeps/arm/configure: Regenerated.

> +# If we are configuring for armv7 we need binutils 2.21 to ensure that
> +# NEON alignments are assembled correctly.
> +if test $machine = arm/armv7; then
> +   AC_CHECK_PROG_VER(AS, $AS, --version,
> +		  [GNU assembler.* \([0-9]*\.[0-9.]*\)],
> +		  [2.1[0-9][0-9]*|2.[2-9][1-9]*|[3-9].*|[1-9][0-9]*], AS=: critic_missing="$critic_missing as")

That looks like it would reject versions 2.30, 2.40, ... - and does this 
run early enough for the critic_missing setting to be effective?

-- 
Joseph S. Myers
joseph@codesourcery.com