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man/em_ncg.6 Normal file
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.\" $Header$
.TH EM_CG VI
.ad
.SH NAME
em_cg \- EM to assembly code translator
.SH SYNOPSIS
em_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 cgg(VI).
.SH FILES
code If the -c flag was given to cgg(VI)
.SH "SEE ALSO"
ack(I)
.br
cgg(VI)
.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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util/ncgg/ncgg.6 Normal file
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.\" $Header$
.TH CGG VI
.ad
.SH NAME
cgg \- Code table translating utility
.SH SYNOPSIS
cgg [-c] [-d] [-v] table
.SH DESCRIPTION
cgg translates a machine description table into the internal
structures needed by em_cg.
Flags recognized are:
.IP -c
Write one of the largest arrays in binary form on the file code.
The resulting code generator must be run in the same directory,
but compile time of the code generator will be less.
Useful during table debugging.
.IP -d
Generate pseudo code for table debugging.
This gives better information when the resulting code generator
is run with the debug flag on.
It also generates the file lineset that can be used as the
bittable described under the -u option of em_cg(VI).
.IP -v
Give statistics about table usage at end of program.
Normally only the tables that have been used more than 75%
are reported.
.SH FILES
tables.H, tables.c
.br
code If the -c flag was given
.br
lineset If the -d flag was given
.SH "SEE ALSO"
ack(I)
.br
em_cg(VI)
.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.
.IP [2]
Hans van Staveren "The table driven code generator from the
Amsterdam Compiler Kit, Second revised edition"
.SH AUTHOR
Hans van Staveren, Vrije Universiteit