On Tue, 06 Dec 2011 17:59:44 +0000
Andrew Stubbs <a...@codesourcery.com> wrote:
> This patch adds a one's complement pattern for doing DImode 'not' in
> NEON registers.
>
> There are already patterns for doing one's complement of vectors, and
> even though it boils down to the same instruction, the DImode case
> was missing.
>
> The patch needs to be a little more complicated than using a mode
> iterator that includes DI because it needs to coexist with the
> non-neon one_cmpldi2 (renamed by this patch to "one_cmpldi2_core").
>
> OK for when stage 1 opens again?
>
> Andrew
+(define_insn "*one_cmpldi2_neon"
+ [(set (match_operand:DI 0 "s_register_operand" "=w,?&r,?&r,?w")
+ (not:DI (match_operand:DI 1 "s_register_operand" " w, 0, r, w")))]
+ "TARGET_NEON"
+ "@
+ vmvn\t%P0, %P1
+ #
+ #
+ vmvn\t%P0, %P1"
+ [(set_attr "neon_type" "neon_int_1,*,*,neon_int_1")
+ (set_attr "length" "*,8,8,*")
+ (set_attr "arch" "nota8,*,*,onlya8")]
+)
Don't you need to specify an element type on those instructions? (".s64"
maybe)?
Julian
