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3.19.50 VAX Options

These -m options are defined for the VAX:

-munix

Do not output certain jump instructions (aobleq and so on) that the Unix assembler for the VAX cannot handle across long ranges.
-mgnu

Do output those jump instructions, on the assumption that the GNU assembler is being used.
-mg

Output code for G-format floating-point numbers instead of D-format.
-mlra
-mno-lra

Enable Local Register Allocation. This is still experimental for the VAX, so by default the compiler uses standard reload.