Shows disassembly to source relations and dims unused source lines.
This extension is based on Compiler Explorer (especially AsmParser class from it) and https://github.com/dseight/vscode-disasexpl (provider.ts and decorator.ts).
Run compilerexplorer.disassOutput
from Command palette.
Disassembly will be shown in a new column.
Run compilerexplorer.disassOutputWithExtraArgs
from Command palette to use add extra compile options.
compilerexplorer.compilationDirectory
must point to location of build directory containing compile commands.