Re: [Patch, AArch64] Implement framework for Tree/Gimple Implementation of NEON intrinsics.

[Marcus Shawcroft <marcus dot shawcroft at arm dot com>]

On 14/03/13 12:49, Tejas Belagod wrote:
> Hi,
>
> Attached is a patch that implements the framework necessary for implementing
> NEON Intrinsics' builtins in Tree/Gimple rather than RTL. For this it uses the
> target hook TARGET_FOLD_BUILTIN and folds all the builtins for NEON Intrinsics
> into equivalent trees. This framework is accompanied by an example
> implementation of vaddv<q>_f<32, 64> intrinsics using the framework.
>
> Regression tested on aarch64-none-elf. OK for trunk?
>
> Thanks,
> Tejas Belagod
> ARM.
>
> Changelog:
>
> 2013-03-14  Tejas Belagod  <tejas.belagod@arm.com>
>
> gcc/
> 	* config/aarch64/aarch64-builtins.c (aarch64_fold_builtin): New.
> 	* config/aarch64/aarch64-protos.h (aarch64_fold_builtin): Declare.
> 	* config/aarch64/aarch64-simd-builtins.def: New entry for reduc_splus.
> 	* config/aarch64/aarch64.c (TARGET_FOLD_BUILTIN): Define.
> 	* config/aarch64/arm_neon.h (vaddv_f32, vaddvq_f32, vaddvq_f64): New.
>
> testsuite/
> 	* gcc.target/aarch64/vaddv-intrinsic-compile.c: New.
> 	* gcc.target/aarch64/vaddv-intrinsic.c: New.

I think we need to wait for a resolution to this thread:
http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00505.html
before we can take this patch.

/Marcus