From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 52ED9388200C; Thu, 18 May 2023 10:44:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 52ED9388200C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1684406684; bh=FImAtEqvqxoFHBUXkYjcWoxVYccTcSWk1j9aoODGH7E=; h=From:To:Subject:Date:In-Reply-To:References:From; b=bS7CoKV7Vvt3/kzvVh/VMgy2JdvhN9lC45dNrtzQsp+v7IZWHmXDWrjdLZpIqW3RN cKnKU0vlgxGeVAtDqpIUxz4rxqn4umCYSNjxkSSQc6yhsl+BDahAqJ9WkLShWxFTtU KLeNgR9V+hb26kgBeBSofTovyhE5O135t22GcM8k= From: "cvs-commit at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/109697] arm: lack of MVE instruction costing causing worse codegen on a vec_duplicate Date: Thu, 18 May 2023 10:44:44 +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: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: cvs-commit 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: In-Reply-To: References: 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: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109697 --- Comment #3 from CVS Commits --- The releases/gcc-12 branch has been updated by Stam Markianos-Wright : https://gcc.gnu.org/g:8ed701b52847e49d63634f03ec8800ff92b76dea commit r12-9621-g8ed701b52847e49d63634f03ec8800ff92b76dea Author: Stam Markianos-Wright Date: Thu Apr 27 15:54:16 2023 +0100 arm testsuite: XFAIL or relax registers in some tests [PR109697] Hi all, This is a simple testsuite tidy-up patch, addressing to types of errors: * The vcmp vector-scalar tests failing due to the compiler's preference of vector-vector comparisons, over vector-scalar comparisons. This is due to the lack of cost model for MVE and the compiler not knowing that the RTL vec_duplicate is free in those instructions. For now, we simply XFAIL these checks. * The tests for pr108177 had strict usage of q0 and r0 registers, meaning that they would FAIL with -mfloat-abi=3Dsoftf. The register che= cks have now been relaxed. A couple of these run-tests also had incosistent use of integer MVE with floating point vectors, so I've now changed these to use FP MVE. gcc/testsuite/ChangeLog: PR target/109697 * gcc.target/arm/mve/intrinsics/vcmpcsq_n_u16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpcsq_n_u32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpcsq_n_u8.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpeqq_n_f16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpeqq_n_f32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpeqq_n_u16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpeqq_n_u32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpeqq_n_u8.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpgeq_n_f16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpgeq_n_f32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpgtq_n_f16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpgtq_n_f32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmphiq_n_u16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmphiq_n_u32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmphiq_n_u8.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpleq_n_f16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpleq_n_f32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpltq_n_f16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpltq_n_f32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpneq_n_f16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpneq_n_f32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpneq_n_u16.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpneq_n_u32.c: XFAIL check. * gcc.target/arm/mve/intrinsics/vcmpneq_n_u8.c: XFAIL check. * gcc.target/arm/mve/pr108177-1.c: Relax registers. * gcc.target/arm/mve/pr108177-10.c: Relax registers. * gcc.target/arm/mve/pr108177-11.c: Relax registers. * gcc.target/arm/mve/pr108177-12.c: Relax registers. * gcc.target/arm/mve/pr108177-13.c: Relax registers. * gcc.target/arm/mve/pr108177-13-run.c: use mve_fp * gcc.target/arm/mve/pr108177-14.c: Relax registers. * gcc.target/arm/mve/pr108177-14-run.c: use mve_fp * gcc.target/arm/mve/pr108177-2.c: Relax registers. * gcc.target/arm/mve/pr108177-3.c: Relax registers. * gcc.target/arm/mve/pr108177-4.c: Relax registers. * gcc.target/arm/mve/pr108177-5.c: Relax registers. * gcc.target/arm/mve/pr108177-6.c: Relax registers. * gcc.target/arm/mve/pr108177-7.c: Relax registers. * gcc.target/arm/mve/pr108177-8.c: Relax registers. * gcc.target/arm/mve/pr108177-9.c: Relax registers.=