https://bugs.kde.org/show_bug.cgi?id=523566
Bug ID: 523566
Summary: amd64: unhandled instruction: vmovdqu8
Classification: Developer tools
Product: valgrind
Version First 3.27 GIT
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: vex
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
On system startup I receive this error:
==482202==
vex amd64->IR: unhandled instruction bytes: 0x62 0xF1 0x7F 0x48 0x7F 0x84 0x24
0x30 0x0 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
==482202== valgrind: Unrecognised instruction at address 0x402f1b8.
==482202== at 0x402F1B8: _dl_start (in /usr/lib64/ld-linux-x86-64.so.2)
This translates to (objdump -d):
201b8: 62 f1 7f 48 7f 84 24 vmovdqu8 %zmm0,0x30(%rsp)
201bf: 30 00 00 00
which is part of the AVX512 instruction family (Move Unaligned Packed Integer
Values).
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