https://bugs.llvm.org/show_bug.cgi?id=39086
Bug ID: 39086
Summary: [AMDGPU][MC] Need flag to designate instructions that
only have extended encoding
Product: new-bugs
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: alexander.timof...@amd.com
CC: llvm-bugs@lists.llvm.org
Normally mnemonics of the short and extended encoding differ by the suffix -
"_e32" and "_e64" respectively.
Some of VOP2/VOP3 instructions only have extended encoding.
In current implementation AMDGPUInstrPrinter appends "_e64" suffix to the
mnemonic if instruction description has SIInstrFlags::VOP3 flag set.
So we have a bunch of hacks around to suppress printing the "_e64" suffix for
the instructions that only have extended from.
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