12-12-2003
Hi Neo,
I have seen, in this forum, that developers have used advanaced gcc optimization options for benchmarking.
I just want to compare the performance of gcc and Intel compiler and thats why trying to use best available optimization options for Intel compiler i.e -ipo (PGO can also be used).
If this doesnt answer your question than please let me know why one should not be allowed to use whatever options available with a compiler for these benchmarks?
Regards,
CP
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FAUCC(1) FAUCC(1)
NAME
faucc - C compiler generating Intel code for 16 bit/32 bit CPUs.
SYNOPSIS
faucc [ -B path ] [ -D MACRO [=def]] [ -E ] [ -I path ] [ -L path ] [ -MD ] [-MF file ] [ -MP ] [ -MT target ] [ -O level ] [ -S ]
[ -T script ] [ -U macro ] [ -Wl,arg ] [ -Xlinker arg ] [ -b arch ] [ -c ] [ -f arg ] [ -m arch ] [ -nostdlib ] [ -o output ]
[ -print-lib-faucc-file-name ] [ --freestanding ] [ --no-stack-protector ] { file ...}
DESCRIPTION
faucc is a C compiler, that can generate Intel 16 bit or 32 bit Code.
OPTIONS
faucc tries to mimic the options of gcc. A number of options will be passed to the C preprocessor cpp or to the linker (done via a call to
the c-compiler gcc) in unmodified form.
-B path
Override the directory prefix where cc1 is looked up with path.
-D MACRO, -D MACRO=def
Define MACRO with the optional initial definition def. If def is omitted, it defaults to 1.
-E
Only perform preprocessing, but do not run the compiler.
-I path
Add path to the include path in which header files are searched.
-L path
Add path to the library search path, in which the linker will look for libraries.
-MD
Output dependency information while preprocessing.
-MF, file
Output dependency information while preprocessing to file.
-MP,
When the preprocessor should output dependency information, it will generate PHONY targets for each dependency.
-MT target
When the preprocessor should output dependency information, use target as the dependency rule target.
-O level
Currently ignored.
-S
Output assembly code.
-T script
Use script as linker script.
-U macro
Undefine a previously defined macro.
-Wl,arg, -Xlinker arg
Pass arg to the linker.
-b arch
Generate code for arch (either i286 or i386)
-c
Perform compilation, but do not link.
-f arg
Pass code generation argument arg to the compiler. See the cc1 man page for possible arguments.
-m arch
Currently ignored.
-nostdlib
With this option, the linker will only search for libraries that are passed as command line arguments.
-o file
Write output to file.
-print-libfaucc-file-name
Print the full path of the internal compiler library libfaucc.a.
-static
Perform static linking.
--freestanding, --no-stack-protector
Currently ignored.
EXAMPLES
faucc -c hello-world.c -o hello-world.o
Compile the program hello-world.c and output the object as hello-wolrd.o.
faucc -S -b i286 -o test.s test.c
Compile the program test.c to 16 bit code and output the assembly listing to test.s, but do not assemble or link the result yet.
SEE ALSO
cc1(1) , cpp(1) , gcc(1) , ld(1)
CONTACT
Please report all bugs to FAUcc Team <info@faumachine.org>. FAUcc Homepage [1].
AUTHOR
FAUcc Team
COPYRIGHT
Copyright (C) 2009 FAUcc Team. Developed at Friedrich Alexander University Erlangen-Nuremberg.
FAUcc comes with ABSOLUTELY NO WARRANTY. FAUcc is free software; you can redistribute it and/or modify it under the terms of the GNU
General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
version. See COPYING for details.
NOTES
1. FAUcc Homepage
http://www.faumachine.org
FAUcc Team 03/08/2009 FAUCC(1)