[Bug 85696] New: [regression] r600g+nine: Bioshock shader failure after recent changes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85696

            Bug ID: 85696
           Summary: [regression] r600g+nine: Bioshock shader failure after
                    recent changes
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: david at ixit.cz

HW: HD6550D

I tested Bioshock against mesa-git (+nine) about 10 days ago (I'd say maybe 6
days, but 10 for sure). It worked.

Now after gallium-nine rebase I get this error. I did research, tested old
kernel (3.16.2, now I'm with 3.16.6), tried older wine (1.7.28, now I'm at
1.7.29), but no change. Nine shader code should be also untouched.

I got report, that Bioshock on radeonsi (HD7950 I think) works with Nine
correctly.

Does anyone has idea, what can cause this issue?

error at : VFETCH     __, __, __, t153||FP at R5.w,       R20.x||@R5.y, __, __, __
  : operand value R20.x||@R5.y was not previously written to its gpr
error at : VFETCH     t150||FP at R6.x, t151||FP at R6.y, t152||FP at R6.z, __,      
R20.x||@R5.y, __, __, __
  : operand value R20.x||@R5.y was not previously written to its gpr
error at : VFETCH     __, __, __, t144||FP at R2.z,       R20.x||@R5.y, __, __, __
  : operand value R20.x||@R5.y was not previously written to its gpr
error at : VFETCH     __, __, __, t117||FP at R0.w,       R20.x||@R5.y, __, __, __
  : operand value R20.x||@R5.y was not previously written to its gpr
sb/sb_ra_checker.cpp:46:run: Assertion `sh.errors.empty()' failed.

Thank you

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