[Bug 1988561] Re: valgrind cannot correctly handle `vmovaps` instruction

Pjfloyd 1988561 at bugs.launchpad.net
Sat Aug 17 09:55:57 UTC 2024


You are wasting your time filing a bug here. See
https://bugs.kde.org/show_bug.cgi?id=383010 and keep waiting.

** Bug watch added: KDE Bug Tracking System #383010
   https://bugs.kde.org/show_bug.cgi?id=383010

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Title:
  valgrind cannot correctly handle `vmovaps` instruction

Status in valgrind package in Ubuntu:
  New

Bug description:
  For valgrind, the instruction `vmovaps` cannot be recognised. Maybe
  need to add the logic to process this kind of instruction.

  vex amd64->IR: unhandled instruction bytes: 0x62 0xF1 0x7C 0x48 0x28 0x5 0xA5 0x3D 0x2 0x0
  vex amd64->IR:   REX=0 REX.W=0 REX.R=0 REX.X=0 REX.B=0
  vex amd64->IR:   VEX=0 VEX.L=0 VEX.nVVVV=0x0 ESC=NONE
  vex amd64->IR:   PFX.66=0 PFX.F2=0 PFX.F3=0
  ==137388== valgrind: Unrecognised instruction at address 0x402291.
  ==137388==    at 0x402291: SetupPrecalculatedData() (bitboard.cpp:175)
  ==137388==    by 0x41FE15: main (sjeng.cpp:53)

  
  => 0x402291 <SetupPrecalculatedData()+17>:	vmovaps zmm0,ZMMWORD PTR [rip+0x23da5]        # 0x426040
     0x40229b <SetupPrecalculatedData()+27>:	vmovaps ZMMWORD PTR [rip+0x2ec9b],zmm0        # 0x430f40 <Mask>
     0x4022a5 <SetupPrecalculatedData()+37>:	mov    eax,0x430f40
     0x4022aa <SetupPrecalculatedData()+42>:	vmovaps zmm0,ZMMWORD PTR [rip+0x23dcc]        # 0x426080
     0x4022b4 <SetupPrecalculatedData()+52>:	vmovaps ZMMWORD PTR [rip+0x2ee82],zmm0        # 0x431140 <InvMask>

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