https://llvm.org/bugs/show_bug.cgi?id=30808
Bug ID: 30808
Summary: [mc][gfx8] s_load_dword to support offsets up to 20
bits width
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Backend: AMDGPU
Assignee: unassignedb...@nondot.org
Reporter: artem.tama...@amd.com
CC: andrey.kasau...@gmail.com, artem.tama...@amd.com,
i.am.permi...@gmail.com, llvm-bugs@lists.llvm.org,
nikolay.haus...@amd.com, sam.kol...@amd.com,
valery.pykh...@gmail.com
Classification: Unclassified
Example of failing instruction:
> s_load_dword s[0], s[0:1], 256
With 255 assembles OK. GCN3 doc says that there are 20-bits in the instruction
for immediate unsigned byte offset. The bug if gfx8-specific.
Tested with r285055 (git# 797783e).
None lit tests available on hand.
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