From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 103142] R600g+sb: optimizer apparently stuck in an endless loop Date: Wed, 07 Feb 2018 17:28:54 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1072722552==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 5DEBB6E13D for ; Wed, 7 Feb 2018 17:28:54 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1072722552== Content-Type: multipart/alternative; boundary="15180245340.42aFaeCF1.6710" Content-Transfer-Encoding: 7bit --15180245340.42aFaeCF1.6710 Date: Wed, 7 Feb 2018 17:28:54 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D103142 --- Comment #7 from Gert Wollny --- It seems sb is trying to create an operation that tries to use two distinct relative indices within the same instruction, this is forbidden and the scheduler gets stuck.=20 from the post scheduler dump:=20 # 0.y =3D> t175||FP@R0.y # 0.z =3D> t194||FP@R0.z new current_AR assigned: R13.x.235@R0.w current_AR is R13.x.235@R0.w trying to use R15.x.126@R1.x current_AR is R13.x.235@R0.w trying to use R15.x.126@R1.x !!!!!! interf slot: 0 :=20 ADD t80@R1.x, A26.y[R13.x.235@R0.w]_608F@R5.y, \ A26.y[R15.x.126@R1.x]_609F@R5.y --=20 You are receiving this mail because: You are the assignee for the bug.= --15180245340.42aFaeCF1.6710 Date: Wed, 7 Feb 2018 17:28:54 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 7 on bug 10314= 2 from Gert Wollny 
It seems sb is trying to create an operation that tries to use=
 two distinct
relative indices within the same instruction, this is forbidden and the
scheduler gets stuck.=20

from the post scheduler dump:=20

 # 0.y =3D> t175||FP@R0.y
  # 0.z =3D> t194||FP@R0.z
  new current_AR assigned: R13.x.235&=
#64;R0.w
  current_AR is R13.x.235@R0.w  trying to use R15.x.126@R1.x
  current_AR is R13.x.235@R0.w  trying to use R15.x.126@R1.x
!!!!!! interf slot: 0  :=20
  ADD     t80@R1.x,    A26.y[R13.x.235@R0.w]_608F@R5.y,  \
                       A26.y[R15.x.12=
6@R1.x]_609F@R5.y

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