This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH AArch64 1/2] Improve codegen of vector compares inc. tst instruction
- From: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- To: Alan Lawrence <alan dot lawrence at arm dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 2 Sep 2014 16:17:43 +0100
- Subject: Re: [PATCH AArch64 1/2] Improve codegen of vector compares inc. tst instruction
- Authentication-results: sourceware.org; auth=none
- References: <53F32A86 dot 4060109 at arm dot com>
On 19 August 2014 11:44, Alan Lawrence <alan.lawrence@arm.com> wrote:
> gcc/ChangeLog:
>
> * config/aarch64/aarch64-builtins.c (aarch64_types_cmtst_qualifiers,
> TYPES_TST): Define.
> (aarch64_fold_builtin): Update pattern for cmtst.
>
> * config/aarch64/aarch64-protos.h
> (aarch64_const_vec_all_same_int_p):
> Declare.
>
> * config/aarch64/aarch64-simd-builtins.def (cmtst): Update
> qualifiers.
>
> * config/aarch64/aarch64-simd.md
> (aarch64_vcond_internal<mode><mode>):
> Switch operands, separate out more cases, refactor.
>
> (aarch64_cmtst<mode>): Rewrite pattern to match (plus ... -1).
>
> * config/aarch64.c (aarch64_const_vec_all_same_int_p): Take single
> argument; rename old version to...
> (aarch64_const_vec_all_same_in_range_p): ...this.
> (aarch64_print_operand, aarch64_simd_shift_imm_p): Follow renaming.
>
> * config/aarch64/predicates.md (aarch64_simd_imm_minus_one): Define.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/aarch64/simd/int_comparisons.x: New file.
> * gcc.target/aarch64/simd/int_comparisons_1.c: New test.
> * gcc.target/aarch64/simd/int_comparisons_2.c: Ditto.
OK /Marcus