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Tool to determine what GCC flags -march=native would resolve into

Project description


resolve-march-native is a small command line tool to resolve -march=native into explicit GCC flags.


$ resolve-march-native --vertical
--param l1-cache-line-size=64
--param l1-cache-size=24


$ resolve-march-native --help
usage: resolve-march-native [-h] [--debug] [--gcc COMMAND] [--vertical]
                            [--keep-identical-mtune] [--keep-mno-flags]
                            [--keep-default-params] [--add-recommended]

optional arguments:
  -h, --help            show this help message and exit
  --debug               enable debugging (default: disabled)
  --gcc COMMAND         gcc command (default: gcc)
  --vertical            produce vertical output (default: horizontal output)
                        keep implied -mtune=... despite architecture identical
                        to -march=... (default: stripped away)
  --keep-mno-flags      keep -mno-* parameters (default: (superfluous ones)
                        stripped away)
                        keep --param ... with values matching defaults
                        (default: stripped away)
  --add-recommended, -a
                        add recommended flags (default: not added)
  --version             show program's version number and exit

resolve-march-native is software libre licensed under GPL v2 or later,
written by Sebastian Pipping.  Please report bugs to  Thanks!

Project details

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