This PR migrates all but two test cases to use HLASM syntax. It also
flips the default for the command line option, making HLASM output the
default.
The missing test cases requires some more support in the HLASM streamer,
which I will add separately.
Now that the GNU and HLASM `InstPrinter` paths are separated in
https://github.com/llvm/llvm-project/pull/112975, differentiate between
them in `SystemZInstrFormats.td`.
The main difference are:
- Tabs converted to space
- Remove space after comma for instruction operands
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Co-authored-by: Tony Tao <tonytao@ca.ibm.com>
The LIT test cases were migrated with the script provided by
Nikita Popov.
No manual changes were made. Committed without review since
no functional changes, after consultation with uweigand.
