updates & cleanups (tcc-doc/Changelog/TODO ...)

- tcc-doc.texi: commandline option info update
- Changelog/TODO: update
- tests/tcctest.py: removed
- tests/Makefile: weaktest fixed
- tests/tests2: some files renamed and/or converted to unix LF
- configure/Makefile: --enable-static option (no dll on win32)
- win32/build-tcc.bat: msvc support
- win32/tcc-win32.txt: build info update
- win32/vs2015/: VS solution removed
- win32/include/tcc/tcc_libm.h: #include statement fixed
- tcc.c: -include <file> option help info
- .gitignore: cleanup

tcc-doc.texi

@@ -176,29 +176,15 @@ In a script, it gives the following header:
 #!/usr/local/bin/tcc -run -L/usr/X11R6/lib -lX11
 @end example
 
-@item -mms-bitfields
-Use an algorithm for bitfield alignment consistent with MSVC. Default is
-gcc's algorithm.
-
-@item -mfloat-abi (ARM only)
-Select the float ABI. Possible values: @code{softfp} and @code{hard}
-
-@item -dumpversion
-Print only the compiler version and nothing else.
-
 @item -v
 Display TCC version.
 
 @item -vv
-Show included files.  As sole argument, print search dirs (as below).
+Show included files.  As sole argument, print search dirs.  -vvv shows tries too.
 
 @item -bench
 Display compilation statistics.
 
-@item -print-search-dirs
-Print the configured installation directory and a list of library
-and include directories tcc will search.
-
 @end table
 
 Preprocessor options:
@@ -220,6 +206,10 @@ also be defined: @option{-DF(a)=a+1}
 
 @item -Usym
 Undefine preprocessor symbol @samp{sym}.
+
+@item -E
+Preprocess only, to stdout or file (with -o).
+
 @end table
 
 Compilation flags:
@@ -337,6 +327,9 @@ Modify executable layout.
 @item -Wl,-Bsymbolic
 Set DT_SYMBOLIC tag.
 
+@item -Wl,-(no-)whole-archive
+Turn on/off linking of all objects in archives.
+
 @end table
 
 Debugger options:
@@ -370,6 +363,31 @@ Generate makefile fragment with dependencies.
 @item -MF depfile
 Use @file{depfile} as output for -MD.
 
+@item -print-search-dirs
+Print the configured installation directory and a list of library
+and include directories tcc will search.
+
+@item -dumpversion
+Print version.
+
+@end table
+
+Target specific options:
+
+@table @option
+@item -mms-bitfields
+Use an algorithm for bitfield alignment consistent with MSVC. Default is
+gcc's algorithm.
+
+@item -mfloat-abi (ARM only)
+Select the float ABI. Possible values: @code{softfp} and @code{hard}
+
+@item -mno-sse
+Do not use sse registers on x86-64
+
+@item -m32, -m64
+Pass command line to the i386/x86-64 cross compiler.
+
 @end table
 
 Note: GCC options @option{-Ox}, @option{-fx} and @option{-mx} are