From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 101442] Piglit shaders@ssa@fs-if-def-else-break fails with sb but passes with R600_DEBUG=nosb Date: Thu, 15 Jun 2017 09:07:31 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1048946095==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 065956E6D5 for ; Thu, 15 Jun 2017 09:07:31 +0000 (UTC) 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 --===============1048946095== Content-Type: multipart/alternative; boundary="14975176500.Dc7a45EA9.19786"; charset="UTF-8" --14975176500.Dc7a45EA9.19786 Date: Thu, 15 Jun 2017 09:07:30 +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=3D101442 Bug ID: 101442 Summary: Piglit shaders@ssa@fs-if-def-else-break fails with sb but passes with R600_DEBUG=3Dnosb Product: Mesa Version: git Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: Drivers/Gallium/r600 Assignee: dri-devel@lists.freedesktop.org Reporter: gw.fossdev@gmail.com QA Contact: dri-devel@lists.freedesktop.org The piglit test=20 shaders@ssa@fs-if-def-else-break fails with only with sb enabled but passes without it. The relevant parts of the failing shader before and after optimization look like this:=20 =3D=3D=3D=3D=3D SHADER #12 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D PS/BARTS= /EVERGREEN =3D=3D=3D=3D=3D =3D=3D=3D=3D=3D 90 dw =3D=3D=3D=3D=3D 9 gprs =3D=3D=3D=3D=3D 2 stack =3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D [...] 0060 801f00fe 0100229c 6 MP x: PRED_SETNE_INT R8.x, PV.x, 0 0018 0000000b 82800000 JUMP @22 0020 0000001f a00c0000 ALU 4 @62 0062 000000f8 00200c90 7 x: MOV R1.x, 0 <--= -- 0064 000004f9 20200c90 y: MOV R1.y, 1.0 <--= -- 0066 000000f8 40200c90 z: MOV R1.z, 0 0068 800004f9 60200c90 w: MOV R1.w, 1.0 0022 0000000d 83400001 ELSE @26 POP:1 0024 00000023 a80c0000 ALU_POP_AFTER 4 @70 0070 000004f9 00200c90 8 x: MOV R1.x, 1.0 <--= -- 0072 000000f8 20200c90 y: MOV R1.y, 0 <--= -- 0074 000000f8 40200c90 z: MOV R1.z, 0 0076 800004f9 60200c90 w: MOV R1.w, 1.0 0026 40000027 a4040000 ALU_PUSH_BEFORE 2 @78 KC0[CB0:0-15] 0078 80000081 00801990 9 x: NOT_INT R4.x, KC0[1].x 0080 801f00fe 0100229c 10 MP x: PRED_SETNE_INT R8.x, PV.x, 0 0028 00000011 82800001 JUMP @34 POP:1 0030 00000011 82400000 LOOP_BREAK @34 0032 00000011 83800001 POP @34 POP:1 0034 00000002 81400000 LOOP_END @4 0036 00000029 a00c0000 ALU 4 @82 0082 00000001 00000c90 11 x: MOV R0.x, R1.x 0084 00000401 20000c90 y: MOV R0.y, R1.y 0086 00000801 40000c90 z: MOV R0.z, R1.z 0088 80000c01 60000c90 w: MOV R0.w, R1.w 0038 c0000000 95200688 EXPORT_DONE PIXEL 0 R0.xyzw EOP =3D=3D=3D=3D=3D SHADER_END =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D SHADER #12 OPT =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D PS/BARTS/EVERG= REEN =3D=3D=3D=3D=3D =3D=3D=3D=3D=3D 50 dw =3D=3D=3D=3D=3D 1 gprs =3D=3D=3D=3D=3D 2 stack =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [...] 0040 801f0800 00002284 3 M x: PRED_SETNE_INT __.x, R0.z, 0 0018 0000000d 82800001 JUMP @26 POP:1 0020 00000015 a0040000 ALU 2 @42 0042 000000f9 00000c90 4 x: MOV R0.x, 1.0 <---= -- 0044 800000f8 20000c90 y: MOV R0.y, 0 <---= -- 0022 0000000e 82400000 LOOP_BREAK @28 0024 0000000d 83800001 POP @26 POP:1 0026 00000017 a0040000 ALU 2 @46 0046 000000f9 00000c90 5 x: MOV R0.x, 1.0 <---= -- 0048 800000f8 20000c90 y: MOV R0.y, 0 <---= -- 0028 00000002 81400000 LOOP_END @4 0030 c0000000 95200a44 EXPORT_DONE PIXEL 0 R0.0xy1 EOP =3D=3D=3D=3D=3D SHADER_END =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D In short after the optimization R0.xy get the same values assigned in both decision paths.=20 Best,=20 Gert --=20 You are receiving this mail because: You are the assignee for the bug.= --14975176500.Dc7a45EA9.19786 Date: Thu, 15 Jun 2017 09:07:30 +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
Bug ID 101442
Summary Piglit shaders@ssa@fs-if-def-else-break fails with sb= but passes with R600_DEBUG=3Dnosb
Product Mesa
Version git
Hardware Other
OS All
Status NEW
Severity normal
Priority medium
Component Drivers/Gallium/r600
Assignee dri-devel@lists.freedesktop.org
Reporter gw.fossdev@gmail.com
QA Contact dri-devel@lists.freedesktop.org 

The  piglit test=20

  shaders@ssa@fs-if-def-else-break

fails with only with sb enabled but passes without it.

The relevant parts of the failing shader before and after optimization look
like this:=20

=3D=3D=3D=3D=3D SHADER #12 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D PS/BARTS=
/EVERGREEN
=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D 90 dw =3D=3D=3D=3D=3D 9 gprs =3D=3D=3D=3D=3D 2 stack =3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D
[...]
0060  801f00fe 0100229c     6 MP   x: PRED_SETNE_INT     R8.x,  PV.x, 0
0018  0000000b 82800000 JUMP @22
0020  0000001f a00c0000 ALU 4 @62
 0062  000000f8 00200c90     7      x: MOV                R1.x,  0      <=
;----
 0064  000004f9 20200c90            y: MOV                R1.y,  1.0    <=
;----
 0066  000000f8 40200c90            z: MOV                R1.z,  0
 0068  800004f9 60200c90            w: MOV                R1.w,  1.0
0022  0000000d 83400001 ELSE @26 POP:1
0024  00000023 a80c0000 ALU_POP_AFTER 4 @70
 0070  000004f9 00200c90     8      x: MOV                R1.x,  1.0    <=
;----
 0072  000000f8 20200c90            y: MOV                R1.y,  0      <=
;----
 0074  000000f8 40200c90            z: MOV                R1.z,  0
 0076  800004f9 60200c90            w: MOV                R1.w,  1.0
0026  40000027 a4040000 ALU_PUSH_BEFORE 2 @78 KC0[CB0:0-15]
 0078  80000081 00801990     9      x: NOT_INT            R4.x,  KC0[1].x

 0080  801f00fe 0100229c    10 MP   x: PRED_SETNE_INT     R8.x,  PV.x, 0
0028  00000011 82800001 JUMP @34 POP:1
0030  00000011 82400000 LOOP_BREAK @34
0032  00000011 83800001 POP @34 POP:1
0034  00000002 81400000 LOOP_END @4
0036  00000029 a00c0000 ALU 4 @82
 0082  00000001 00000c90    11      x: MOV                R0.x,  R1.x
 0084  00000401 20000c90            y: MOV                R0.y,  R1.y
 0086  00000801 40000c90            z: MOV                R0.z,  R1.z
 0088  80000c01 60000c90            w: MOV                R0.w,  R1.w
0038  c0000000 95200688 EXPORT_DONE        PIXEL 0     R0.xyzw  EOP
=3D=3D=3D=3D=3D SHADER_END
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D



=3D=3D=3D=3D=3D SHADER #12 OPT =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D PS/BARTS/EVERG=
REEN
=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D 50 dw =3D=3D=3D=3D=3D 1 gprs =3D=3D=3D=3D=3D 2 stack
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
[...]

 0040  801f0800 00002284     3 M    x: PRED_SETNE_INT     __.x,  R0.z, 0
0018  0000000d 82800001 JUMP @26 POP:1
0020  00000015 a0040000 ALU 2 @42
 0042  000000f9 00000c90     4      x: MOV                R0.x,  1.0   <=
-----
 0044  800000f8 20000c90            y: MOV                R0.y,  0     <=
-----
0022  0000000e 82400000 LOOP_BREAK @28
0024  0000000d 83800001 POP @26 POP:1
0026  00000017 a0040000 ALU 2 @46
 0046  000000f9 00000c90     5      x: MOV                R0.x,  1.0   <=
-----
 0048  800000f8 20000c90            y: MOV                R0.y,  0     <=
-----
0028  00000002 81400000 LOOP_END @4
0030  c0000000 95200a44 EXPORT_DONE        PIXEL 0     R0.0xy1  EOP
=3D=3D=3D=3D=3D SHADER_END
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

In short after the optimization R0.xy get the same values assigned in both
decision paths.=20

Best,=20
Gert

You are receiving this mail because:
  • You are the assignee for the bug.
= --14975176500.Dc7a45EA9.19786-- --===============1048946095== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============1048946095==--