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From: Richard Biener <rguenther@suse.de>
To: "Andre Vieira (lists)" <andre.simoesdiasvieira@arm.com>
Cc: gcc-patches@gcc.gnu.org,
	Richard Sandiford <richard.sandiford@arm.com>,
	 "jakub@redhat.com" <jakub@redhat.com>
Subject: Re: [Patch 3/8] vect: Fix vect_get_smallest_scalar_type for simd clones
Date: Wed, 30 Aug 2023 12:54:10 +0000 (UTC)	[thread overview]
Message-ID: <nycvar.YFH.7.77.849.2308301253320.22006@jbgna.fhfr.qr> (raw)
In-Reply-To: <6adafeff-e026-aec9-2b1a-8a5f736f813d@arm.com>

On Wed, 30 Aug 2023, Andre Vieira (lists) wrote:

> The vect_get_smallest_scalar_type helper function was using any argument to a
> simd clone call when trying to determine the smallest scalar type that would
> be vectorized.  This included the function pointer type in a MASK_CALL for
> instance, and would result in the wrong type being selected.  Instead this
> patch special cases simd_clone_call's and uses only scalar types of the
> original function that get transformed into vector types.

Looks sensible.

+bool
+simd_clone_call_p (gimple *stmt, cgraph_node **out_node)

you could return the cgraph_node * or NULL here.  Are you going to
use the function elsewhere?  Otherwise put it in the same TU as
the only use please and avoid exporting it.

Richard.

> gcc/ChangeLog:
> 
> 	* tree-vect-data-refs.cci (vect_get_smallest_scalar_type): Special
> 	case
> 	simd clone calls and only use types that are mapped to vectors.
> 	* tree-vect-stmts.cc (simd_clone_call_p): New helper function.
> 	* tree-vectorizer.h (simd_clone_call_p): Declare new function.
> 
> gcc/testsuite/ChangeLog:
> 
> 	* gcc.dg/vect/vect-simd-clone-16f.c: Remove unnecessary differentation
> 	between targets with different pointer sizes.
> 	* gcc.dg/vect/vect-simd-clone-17f.c: Likewise.
> 	* gcc.dg/vect/vect-simd-clone-18f.c: Likewise.
> 

-- 
Richard Biener <rguenther@suse.de>
SUSE Software Solutions Germany GmbH,
Frankenstrasse 146, 90461 Nuernberg, Germany;
GF: Ivo Totev, Andrew McDonald, Werner Knoblich; (HRB 36809, AG Nuernberg)

  reply	other threads:[~2023-08-30 12:54 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-30  8:49 aarch64, vect, omp: Add SVE support for simd clones [PR 96342] Andre Vieira (lists)
2023-08-30  9:06 ` [PATCH 1/8] parloops: Copy target and optimizations when creating a function clone Andre Vieira (lists)
2023-08-30 12:31   ` Richard Biener
2023-10-18 14:40     ` Andre Vieira (lists)
2023-08-30  9:08 ` [Patch 2/8] parloops: Allow poly nit and bound Andre Vieira (lists)
2023-08-30 12:32   ` Richard Biener
2023-10-18 14:40     ` Andre Vieira (lists)
2023-08-30  9:10 ` [Patch 3/8] vect: Fix vect_get_smallest_scalar_type for simd clones Andre Vieira (lists)
2023-08-30 12:54   ` Richard Biener [this message]
2023-10-18 14:40     ` Andre Vieira (lists)
2023-10-19 12:07       ` Richard Biener
2023-08-30  9:11 ` [PATCH 4/8] vect: don't allow fully masked loops with non-masked simd clones [PR 110485] Andre Vieira (lists)
2023-08-30 12:54   ` Richard Biener
2023-10-18 14:40     ` Andre Vieira (lists)
2023-10-19 12:06       ` Richard Biener
2023-08-30  9:13 ` [PATCH 5/8] vect: Use inbranch simdclones in masked loops Andre Vieira (lists)
2023-10-18 14:41   ` Andre Vieira (lists)
2023-10-19 12:17     ` Richard Biener
2023-08-30  9:14 ` [PATCH 6/8] vect: Add vector_mode paramater to simd_clone_usable Andre Vieira (lists)
2023-08-30  9:17   ` Andre Vieira (lists)
2023-08-30 13:01   ` Richard Biener
2023-08-30 15:02     ` Andre Vieira (lists)
2023-08-31  6:39       ` Richard Biener
2023-09-28 15:57         ` Andre Vieira (lists)
2023-08-30  9:17 ` [PATCH7/8] vect: Add TARGET_SIMD_CLONE_ADJUST_RET_OR_PARAM Andre Vieira (lists)
2023-08-30 13:04   ` Richard Biener
2023-10-04 10:32     ` Andre Vieira (lists)
2023-10-04 10:41       ` Richard Biener
2023-10-04 12:40         ` Andre Vieira (lists)
2023-10-18 14:41           ` [PATCH6/8] omp: Reorder call for TARGET_SIMD_CLONE_ADJUST (was Re: [PATCH7/8] vect: Add TARGET_SIMD_CLONE_ADJUST_RET_OR_PARAM) Andre Vieira (lists)
2023-10-30 18:34             ` Andre Vieira (lists)
2023-10-31  7:59             ` Richard Biener
2023-12-08 10:35               ` Jakub Jelinek
2023-08-30  9:19 ` [PATCH 8/8] aarch64: Add SVE support for simd clones [PR 96342] Andre Vieira (lists)
2023-10-18 14:41   ` Andre Vieira (lists)
2023-11-29 17:01     ` Richard Sandiford
2023-12-01 16:39       ` Andre Vieira (lists)
2023-10-18 14:40 ` aarch64, vect, omp: " Andre Vieira (lists)
2023-10-18 14:41 ` [PATCH 0/8] omp: Replace simd_clone_subparts with TYPE_VECTOR_SUBPARTS Andre Vieira (lists)
2023-10-19  7:10   ` Richard Biener

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