obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 162 insertions, 0 deletions

diff --git a/gcc/config/mep/mep.opt b/gcc/config/mep/mep.opt
new file mode 100644
index 000000000..9670d3b4f
--- /dev/null
+++ b/gcc/config/mep/mep.opt
@@ -0,0 +1,162 @@
+; Target specific command line options for the MEP port of the compiler.
+; Copyright (C) 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
+; Contributed by Red Hat Inc.
+;
+; GCC 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 3, or (at your option) any later
+; version.
+; 
+; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+; WARRANTY; without even the implied warranty of MERCHANTABILITY or
+; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+; for more details.
+; 
+; You should have received a copy of the GNU General Public License
+; along with GCC; see the file COPYING3.  If not see
+; <http://www.gnu.org/licenses/>.  */
+
+mabsdiff
+Target Mask(OPT_ABSDIFF)
+Enable absolute difference instructions
+
+mall-opts
+Target RejectNegative
+Enable all optional instructions
+
+maverage
+Target Mask(OPT_AVERAGE)
+Enable average instructions
+
+mbased=
+Target Joined Var(mep_based_cutoff) RejectNegative UInteger Init(0)
+Variables this size and smaller go in the based section. (default 0)
+
+mbitops
+Target Mask(OPT_BITOPS)
+Enable bit manipulation instructions
+
+mc=
+Target Joined Var(mep_const_section) RejectNegative
+Section to put all const variables in (tiny, near, far) (no default)
+
+mclip
+Target Mask(OPT_CLIP)
+Enable clip instructions
+
+mconfig=
+Target Joined Var(mep_config_string) RejectNegative
+Configuration name
+
+mcop
+Target Mask(COP)
+Enable MeP Coprocessor
+
+mcop32
+Target Mask(COP) MaskExists RejectNegative
+Enable MeP Coprocessor with 32-bit registers
+
+mcop64
+Target Mask(64BIT_CR_REGS) RejectNegative
+Enable MeP Coprocessor with 64-bit registers
+
+mivc2
+Target Mask(IVC2) RejectNegative
+Enable IVC2 scheduling
+
+mdc
+Target Mask(DC) RejectNegative
+Const variables default to the near section
+
+mdebug
+Target Disabled Undocumented
+
+mdiv
+Target Mask(OPT_DIV)
+Enable 32-bit divide instructions
+
+meb
+Target InverseMask(LITTLE_ENDIAN) RejectNegative
+Use big-endian byte order
+
+mel
+Target Mask(LITTLE_ENDIAN) RejectNegative
+Use little-endian byte order
+
+mfar
+Driver RejectNegative
+
+mio-volatile
+Target Mask(IO_VOLATILE) 
+__io vars are volatile by default
+
+ml
+Target Mask(L) RejectNegative
+All variables default to the far section
+
+mleadz
+Target Mask(OPT_LEADZ)
+Enable leading zero instructions
+
+mlibrary
+Target Mask(LIBRARY) RejectNegative Undocumented
+
+mm
+Target Mask(M) RejectNegative
+All variables default to the near section
+
+mminmax
+Target Mask(OPT_MINMAX)
+Enable min/max instructions
+
+mmult
+Target Mask(OPT_MULT)
+Enable 32-bit multiply instructions
+
+mno-opts
+Target RejectNegative
+Disable all optional instructions
+
+mrand-tpgp
+Target Mask(RAND_TPGP) RejectNegative Undocumented
+
+mrepeat
+Target Mask(OPT_REPEAT)
+Allow gcc to use the repeat/erepeat instructions
+
+ms
+Target Mask(S) RejectNegative
+All variables default to the tiny section
+
+msatur
+Target Mask(OPT_SATUR)
+Enable saturation instructions
+
+msdram
+Target 
+Use sdram version of runtime
+
+msim
+Target RejectNegative
+Use simulator runtime
+
+msimnovec
+Target RejectNegative
+Use simulator runtime without vectors
+
+mtf
+Target Mask(TF) RejectNegative
+All functions default to the far section
+
+mtiny=
+Target Joined Var(mep_tiny_cutoff) RejectNegative UInteger Init(4)
+Variables this size and smaller go in the tiny section. (default 4)
+
+mvl32
+Target InverseMask(OPT_VL64) Undocumented RejectNegative
+
+mvl64
+Target Mask(OPT_VL64) Undocumented RejectNegative
+
+mvliw
+Target Mask(VLIW) Undocumented