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- .\" $Header$
- .TH EM_NCG 6ACK
- .ad
- .SH NAME
- em_ncg \- EM to assembly code translator
- .SH SYNOPSIS
- ~em/lib/\fBmach\fP/cg [-d\fIn\fP] [-p\fIn\fP] [-w\fIn\fP] [-u\fIfile\fP] [ infile [ outfile ] ]
- .SH DESCRIPTION
- Em_cg reads a compact EM-program, argument or standard input,
- and produces an assembly program on argument or standard output
- for the machine that is in its name.
- Flags recognized are:
- .IP -d\fIn\fP
- Run in debugging mode, debugging level \fIn\fP,
- only possible when the translator is compiled in the right way.
- .IP -p\fIn\fP
- Set the ply to \fIn\fP, default 1.
- The ply is the maximum lookahead depth the code generator may take.
- Effects of this flag are machine dependent.
- .IP -w\fIn\fP
- Set the weight percentage for size to \fIn\fP %, default is 50.
- This sets the size/time tradeoff in the codegenerator.
- Effects are again machine dependent.
- .IP -u\fIfile\fP
- Take the \fIfile\fP as a bitmap giving 1 bits for untested code rules
- and write the \fIfile\fP at end of code generation,
- substituting zero bits for rules used.
- Give a list of untested rules on standard error, unless the -u
- was given as -U.
- Only possible if the -d flag was given to ncgg(6).
- .SH FILES
- code If the -c flag was given to ncgg(6)
- .SH "SEE ALSO"
- ack(1),
- ncgg(6)
- .PD 0
- .IP [1]
- A.S. Tanenbaum, Hans van Staveren, Ed Keizer and Johan
- Stevenson "Description of a machine architecture for use with
- block structured languages" Informatica report IR-81.
- .SH AUTHOR
- Hans van Staveren, Vrije Universiteit
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