[Bug 67046] New: [radeonsi] pixmark_piano benchmark from geeks3D gputest fail with a llvm error output

[Bug 67046] New: [radeonsi] pixmark_piano benchmark from geeks3D gputest fail with a llvm error output

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=67046

          Priority: medium
            Bug ID: 67046
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [radeonsi] pixmark_piano benchmark from geeks3D
                    gputest fail with a llvm error output
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: lordheavym@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

gputest is available here:
http://www.geeks3d.com/gputest/download/

* Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn XT [Radeon HD 7870 GHz
Edition]
* Mesa 9.2.0-devel (git-e4fdf1b)
* llvm-3.4svn rev 186383
* kernel 3.10.0

[lordh@archMain GpuTest_Linux_x64_0.5.0]$
./start_pixmark_piano_windowed_1024x640.sh
LLVM ERROR: Cannot select: 0x7ff8111889c0: ch = store 0x7ff811188ac0,
0x7ff81115d980, 0x7ff811178f20, 0x7ff81115d680<ST4[%580]> [ORD=661] [ID=580]
  0x7ff81115d980: i32 = Constant<0> [ID=11]
  0x7ff811178f20: i64 = add 0x7ff81115f5a0, 0x7ff811178d10 [ORD=405] [ID=84]
    0x7ff81115f5a0: i64 = FrameIndex<0> [ID=20]
    0x7ff811178d10: i64 = Constant<96> [ID=51]
  0x7ff81115d680: i64 = undef [ID=9]
In function: main

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[Bug 67046] [radeonsi] pixmark_piano benchmark from geeks3D gputest fail with a llvm error output

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https://bugs.freedesktop.org/show_bug.cgi?id=67046

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
                   |.org                        |org
          Component|Drivers/Gallium/radeonsi    |Mesa core

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
AFAICT the real problem is this, visible with a debugging build of Mesa:

../../../../src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c:2190:lp_emit_declaration_soa:
Assertion `idx < 256' failed.

This can be avoided by bumping LP_MAX_TGSI_TEMPS, but it looks like the app
and/or glsl-to-tgsi aren't paying attention to the maximum number of
temporaries advertised by the driver.

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