arm.c (arm_emit_coreregs_64bit_shift): Fix comment.

arm.c (arm_emit_coreregs_64bit_shift): Fix comment.

2012-11-13  Andrew Stubbs  <ams@codesourcery.com>
            Ulrich Weigand  <ulrich.weigand@linaro.org>

	* config/arm/arm.c (arm_emit_coreregs_64bit_shift): Fix comment.
	* config/arm/arm.md (opt, opt_enabled): New attributes.
	(enabled): Use opt_enabled.
	(ashldi3, ashrdi3, lshrdi3): Add TARGET_NEON case.
	(ashldi3): Allow general operands for TARGET_NEON case.
	* config/arm/iterators.md (rshifts): New code iterator.
	(shift, shifttype): New code attributes.
	* config/arm/neon.md (UNSPEC_LOAD_COUNT): New unspec type.
	(neon_load_count, ashldi3_neon_noclobber, ashldi3_neon,
	signed_shift_di3_neon, unsigned_shift_di3_neon,
	ashrdi3_neon_imm_noclobber, lshrdi3_neon_imm_noclobber,
	<shift>di3_neon): New patterns.

Co-Authored-By: Ulrich Weigand <ulrich.weigand@linaro.org>
From-SVN: r193476