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The new design simply lets you specify hex or not in tarval_snprintf.
This is way simpler than the previous machinery and enough for all users in
libfirm.

The backends which support rotl now match for or(shl,shr) patterns.

Just state the copyright and the project the files belong to. You can
then find the COPYING file for the whole project.

Now every bit in the public API is documented so we can enable doxygen
warnings for undocumented members.

- Put things into logical groups
- Add cross references from node overview to API docu

The main change here is splitting new_ir_mode into new_int_mode,
new_reference_mode and new_float_mode. You can now specify
mantissa+exponent size in new_float_mode. This also changes:

- x86 80bit-FP mode is NOT a ieee754 don't put "ieee754" into functions
  names that can also handle x86 80bit fps
- Move ieee_descriptor_t from tarval module into ir_mode struct
  (and rename to float_descriptor_t)
- Introduce mode_Q which represents binary128 from ieee754
- You can ask float modes for mantissa/exponent sizes now
- Fix endianess when emitting big float values in begnuas
- A bunch of long double fixes in ia32: the mode there has 10bytes
  (80bit) but the variables typically are 12 or 16 byte big
- This fixes some problems of sparc binary128 handling

[r28346]

create new_tarval_from_long_double function and change argument of new_tarval_from_double to double - so bindings can get away with C89 types only

[r28167]

[r28062]

[r27924]

libFirm can now be build as static and as dynamic library.
Two defines control it:
FIRM_BUILD must be set when libFirm is build.
FIRM_DLL must be set if libFirm is build as a dynamic library.

The old FIRM_DLL macro is now renamed to FIRM_API.

Additionally

- FIRM_API is added to the ADT headers, this is at least needed for edgfe.
- some more missing FIRM_API's added ...
- add a resource file to show libFirm's version under windows

[r27575]

properly mark symbols in the public API to be exported. This allows us to use -fvisibility=hidden on ELF systems and dllexport on windows

[r27564]

[r27291]

cleanups and bugfixes in the tarval module and a new lower-level tarval interface 'new_integer_tarval_from_str'

[r27211]

[r27036]

[r26970]

[r26803]

[r26419]

[r26407]

[r24520]

[r21772]

  mode_ref - mode_ref = mode_int operations
- more doxygen docu added
- allow reference mode arithmetic

[r20888]

- add explicit mode_X tarval_unreachable and tarval_reachable tarvals needed for combo
- fixed a doxygen comment

[r20702]

[r20664]

[r20459]

[r20010]