From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id CDDA93858C2C; Fri,  1 Dec 2023 22:01:33 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CDDA93858C2C
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1701468093;
	bh=cKaWJ9Lc44FGIvlzcpvZbjJQOZoE1Pk6yrKg6M2zU+g=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=awykdhY/ipzypru6DwZjkK8kYtpeRtoEPvMOiRuRheUp3qquxxtAdFwu4cx0EsWjl
	 CYCrGwUHJrN4dq13NZQtWn++AK9O9Y00QWjuAwuzIiIi6YQXDODgGKPuIlDUC52eO5
	 kMcVVY7OwdALl7djoO43QXUzTspPl5mpWmsTCOqE=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112817] RISC-V: RVV: provide a preprocessor macro for
 VLS codegen
Date: Fri, 01 Dec 2023 22:01:33 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: enhancement
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-112817-4-rcfDbP4VGE@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-112817-4@http.gcc.gnu.org/bugzilla/>
References: <bug-112817-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112817

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Vineet Gupta from comment #3)
> I agree, but what xsimd does is not under our control. Whoever wants to u=
se
> xsimd for whatever reasons, we can allow gcc to be used similarly to llvm
> and certainly not for lack of a trivial define.

What I am trying to say is almost all of these "SIMD" libraries were done to
wrap x86_64 SIMD and is almost done in a bad form in general. I noticed that
when working on AARCH64 (even before SVE). they push the idea of a low level
wrapper just because "it is easier" rather than higher level concepts. xsim=
d,
even the whole C++ SIMD library seems to push low level wrappers rather than
high level concepts that could be optimized.=