vfp.md (arm_movdi_vfp): Enable only when not tuning for Cortex-A8.

vfp.md (arm_movdi_vfp): Enable only when not tuning for Cortex-A8.

2011-03-25  Bernd Schmidt  <bernds@codesourcery.com>
	    Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/arm/vfp.md (arm_movdi_vfp): Enable only when not tuning
	for Cortex-A8.
	(arm_movdi_vfp_cortexa8): New pattern.
	* config/arm/neon.md (adddi3_neon, subdi3_neon, anddi3_neon,
	iordi3_neon, xordi3_neon): Add alternatives to discourage Neon
	instructions when tuning for Cortex-A8.  Set attribute "arch".
	* config/arm/arm.md: Move include arm-tune.md up a bit.
	(define_attr "arch"): Add "onlya8" and "nota8" values.
	(define_attr "arch_enabled"): Handle "onlya8" and "nota8".

Co-Authored-By: Andrew Stubbs <ams@codesourcery.com>
From-SVN: r171449