2 ifdef'ed all uses of gmp in tv.c away. Optimizations for
3 mode_Z no more supported, as well as constants of that mode.
6 Dokumentation in ir_dump
7 Habe Routinen fuer einzelne Knoten/Kanten aus header entfernt:
8 Benutzen globale Variable die nicht oeffentlich zugaenglich ist.
11 We need an entity for the array elements for the Sel nodes. This
12 entity should be stored in the array type. Changed constructor
13 parameters: include array element type. Entity for elements is built
18 Faulty use of va_arg, became visible with new, stricter gcc 2.96.
21 Added list of member entites to union. unioned_types and delimiters
22 are superfluous now -- removed.
23 Rationale: we want to express selection of a union member as a Sel
24 node. for this we need to have entities. The entities contain the
25 unioned type and have as name the delimiters...
28 Changed Makefile/MakeTargets to install headers and libraries
32 Changed Makefile and Configure scripts to produce a proper tar file
33 for distribution (libfirm-VERSION.tar)
34 Use 'make distrib' instead of 'make dist'
37 Changed implementation of tr module. With this I also changed the
38 interface!! Type casts are unnecessary now, but some access funcions
42 ======================================================================
43 ==================== New version: 0.3.0 ==============================
44 ======================================================================
50 added creation of a tar archive for distribution
51 replaced ir/.dummy.in by ir/Makefile.in
54 Changed equivalent_node() and copy_preds() so that the end block
55 is not optimized away if it has no real predecessors. This fixes
56 the problem with the while examples.
57 Added while_example in Makefile
60 Fooled around with if_while_example: Why does cse make it abort?
61 Cse removes path to End node, Bad remains as pred of Endblock.
62 The block walker can't deal with this.
63 Made new example with only loop: while_example.
66 added auto documentation in Makefiles, configure, etc
67 example in ir/ir/ircons.c - much must be added
68 creation of documentation by 'make autodoc' in architecture directory
71 added lots of #ifdef HAVE_CONFIG_G #include "config.h" #endif
72 replaced some C++ style comments (//) by standard C comments /**/
75 - configure (with some features, see --help for more)
76 - make [depend | tags | install]
77 - make [run] in testprograms
79 - compilation on SunOS
81 - automatic call of autoconf if required
84 More colours in vcg output.
85 Fixed bug: cse found that start block equals it's
86 first successor as both have the Start block as predecessor.
87 This only happens for local_optimize_graph() as during construction
88 the Start block is not entered in the value table.
89 Changed implementation: irgmod: local_optimize_graph() did not
90 empty the hash table with the irnodes for cse. This might cause that
91 cse turns up with a node that seems better but was removed from the
92 graph in an earlier optimization phase.
93 Removed old #if 1 from ircons.c
94 Commented in call of optimization for Block nodes in irgopt.c, copy_preds():
95 Optimizes blocks that had bad predecessors.
100 Moved struct from irprog.h to irprog_t.h, same for irmode.h.
101 Added a module deb_info in debug.h. Adapted makefile. Added example
103 Removed use of debug.h in ident.c. Now debug.c|h can be moved to
105 Removed inabled code for dead node elimination in irgopt.h.
106 Renamed some missnamed access routines (_of_). Macros with old names
107 are in old_fctnames.h.
108 Edited makefiles to remove #* and *.flc.
111 Some minor bugfixes...
114 After compacting of in arrays in dead_node_elimination
115 merge blocks and remove Phis with one pred.
118 Freeing of obstack in dead_node_elimination commented in.
119 Compacting in arrays of Block and Phi nodes in dead_node_
124 added set/get_SymConst_type_or_id in irnode.h
125 added field offset to entity in entity.h
126 added field size to type_class in type.h
127 include "gmp.h" in tv.h with "" instead <>
130 Some changes to make the lib better portable
133 Initialize max_node_nr in irprog.
136 Now outputs warning if faulty type in irdump, dump_type_info.
137 Explicit string termination in irdump, vcg_open.
140 Added external to declaration of irp.
141 Added typedef before pns and pnc_number.
142 irmode.c, init_mode(): We need to memset all new modes as
143 tarval_vrfy reads fields before they are initialized: It
144 compares to min/max when tarvals for min/max are allocated!
147 Changed parameter of Methods in type.h and type.c from
148 class to clss. Class is a C++ keyword.
151 Changed some testprograms to accomodate Uebprakt.
154 Finished implementation of dump_all_types.
155 Added new testprogram inheritance_example.
158 Added seven access routines in type.[hc]:
159 get_class_n_member, get_class_n_subtype, get_class_n_supertype,
160 get_strct_n_member, add_strct_member, get_strct_member and set_strct_member.
161 Fixed the type_walk_2 for those seven routines.
164 Added irdump routine dump_all_types.
165 Did changes to irprog, type, typewalk to achieve this.
166 typewalk needs to walk along members, sub and supertypes, this
167 is still missing! irdump then needs to output these edges.
169 ======================================================================
170 ==================== New version: 0.2.5 ==============================
171 ======================================================================
174 Made new Version: 0.2.5
176 15.8.2000 Goetz until 3.9.00
177 Separated irnode.h and many others into two files: one public
179 Added funcionality to extract headers for lib.
182 type_dump also dumps irg->ent
183 if_example: corrected nr of locals
186 irgopt: Correct copy of self pointer in start block.
187 irgopt: Correct treatment of loops: pre function in walker
188 breaks all possible loops in Phi and Block nodes.
189 irr_loop_example: wrong Return statement
190 Now I fixed all but one error: in memory_example.
191 This error showed a conceptual problem, so I wrote
192 a slightly different algorithm. This now runs for
194 dead_node_example: cse is buggy!! merges start and the
198 looking at bug in dead_node_elimination.
200 irnode: all get_..._arr functions changed
201 ircons: new_r_Block: set matured flag.
202 ircons: new_r_SymConst: needs mode_p for linkage_ptr_info.
203 adapted call_str_example to new concepts.
206 Implemented simpler Phi construction algorithm that constructs
207 correct code for three_cfpred_example in ircons. This algorithm
208 generates more Id nodes than the original algorithm and therefore
210 Also made some changes to optimizations of Not.
213 Fixed a bug, caused by the recursive use in type.h and entity.h.
214 Deleted the _TYPE_TYPEDEF_ and inserted the _ENTITY_TYPEDEF_ instead.
215 Fixed a problem in if_while testprogram, so it now works.
218 Fixed bug in optimize(). Returned Null instead n if
219 get_optimize() == false.
222 Added some access routines in type.[hc]. Solved a recursive definition
223 of type_class struct, entity struct and type union.
226 Separated entity header into pure functional header and header
230 ... a bunch small changes not documented
233 Changed output of oo_prog_example: now uses the internal list
234 of all irgs. Had to implement some of the access routines for
235 that. Also fixed a bug in irdump. Main routines did not use
236 current_ir_graph properly.
239 Implemented some missing parts in irgopt.
240 Added field irg to entity. Only valid if entity is a method.
241 Had to resove a cyclic de[endency between irgraph.h and entity.h
243 Added fields sub and super to type_class for inheritance.
244 Added field main_irg to irprog.
247 Fixed some bugs in irgopt.c
248 Added some missing 'get_new_node' methods, so the new obstack contains
252 Renamed ir_vrfy to irn_vrfy and vrfy_graphg to irg_vrfy.
253 Solved some copy'n'paste problems. Deleted most debug-code!
254 Added comments to several files.
257 Fixed bug in _r_ constructors for all four Div operations.
258 Fixed bug in turn_into_tuple: didn't remember the block.
259 Tested transform_node.
262 Fixed some testprograms to new semantics of firm.
263 Added testprogram global_var_example.
264 Fixed a bug in irop: Size of Sel node was (entity *) instead of
265 sel_attr. Therefor array_heap_example aborted.
266 Also found a missing break in typewalk, case iro_Alloc.
267 Added a construct that unifies all things constructed by the lib
268 and needed to represent a program: irprog.ch
269 This contains a list of all types as well as a list of all ir graphs.
270 I added calls to initialization and constructors so that this is constructed
271 automatically. I changed firm.c, type.c, irgraph.c and ev. more.
272 Removed strange block struct and constructor from ircons.c.
273 Moved routines for automatic Phi construction from irgmod to ircons.
274 Sorted functions in ircons to reflect the different interfaces.
275 Renamed dataseg to globals to be conformant with documentation.
276 Added conservation of current_ir_graph to irgopt.c.
277 Corrected bug in Makefiles: wrong path to directory ./inlude.
280 Commented a whole bunch of stuff, e.g. in ircons.h (Procedure to construct)
281 We should change the naming of the Block constructor.
282 Removed acces routines to attr. "closed" of Block.
283 Removed second implementation of new_ir_node from ircons and some comments
284 concerned with the now resolved cyclic dependency.
285 Fixed some bugs in irgopt so that the compilation goes through.
288 Changed the irnode attribut 'visit' into 'visited'.
289 Added some access functions, like get/set_irn_visit etc.
292 Renamed some access funtion in irgraph.*.
293 Deleted two global flags (ir_visited and block_visited) from irgraph.*.
294 Added two attributes to the irgraph struct. The visited flags belongs
295 to a ir graph, not to a whole program.
298 A new optimization has been finished. The dead-node-elimination copies
299 the existing ir graph from one opstack to another. While walking the
300 graph, only the reachable nodes will be copied, so the "dead-nodes"
301 (unreachable in the controlflow) are removed.
304 Solved some problems in the 'copy_node' function. The in array was not
305 as easy as it seamed.
308 Wrote a new 'post' funtion, for future use in 'dead-node-elimination'
309 optimization, which is needed in the paramter list of 'irg_walk'.
312 Moved 'optimze_in_place_wrapper' from iropt.* tothe new files irgopt.*.
313 New functions 'local_optimze_graph' and 'dead_node_elimination' are added,
317 Removed some files from the archive, after dependencies and usage are
319 - 'ir/common/strerror.c'
321 - 'ir/ident/xx_ident.h'
322 an empty file, only included by 'ident.c', but never used;
323 - 'ir/tv/label.c' and
325 contained a numeric counter;
326 The files were included in 'tv.h' and implemented in 'tarval.c'. The two
327 functions 'tarval_label' and 'tarval_forall_labeled' were also never used.
328 In the old fiasco compiler, the label thing is used in the backend.
329 Search for 'babil' to see the usage.
330 Also removed the two attributes 'lab' and 'used' in the tarval struct.
333 Moved the 'new_ir_node' constructor from ircons.* to irnode.* and fixed
334 afterwards some recursive includes, so libfirm works again.
337 Did a lot of changes, which I never commented until now (4.7.00).
339 * Added new result to Start node: Pointer to global data segment.
340 * Extended Semantics of SymConst node to represent information for the
342 * Added arithmeitc nodes (Shrs, Minus ...)
344 Rearranged the directory structure and adjusted the makefiles.
345 The directories contain:
346 ir: everything for the intermediate representation (better: src?)
347 /ir: the ir itself, and standard optimizations.
348 /tv: the target value module
349 /tr: the type and entity representation
350 /adt: abstract data types
351 /common: stuff needed by all other dirs
352 /debug: debugging Unterstuetzung
354 include: external files needen as includes
355 testprograms: examples to test the lib.
357 The makefiles generate files with extension .d that contain the dependencies
361 Added access routine to attribute link of irnode in irnode.ch.
362 Added get_negated_pnc to irnode.ch.
365 Added an iterator in iropt that calls the optimization for all nodes.
366 Copied optimize's code to optimize_in_place and removed deallocations.
367 Made set_irn_n in irnode.c public.
368 Added Bad as possible cfg predecessor in is_cfg_node in irnode. Bads
369 are allowded as cfgpredecessors to represent dead "incoming" control
371 Added call to optimize_in_place in mature_block. Is this useful?
374 Changed tests from comparing enums to comparing pointers. This is more
375 efficient (is it?) and reads better. e.g., instead get_irn_opcode == irm_And
376 now get_irn_op == op_And
379 Compared equivalent_value to the one in the original fiasco.
380 Added a test in case iro_And.
381 Changed implementation of iro_Div. Added routines turn_into_tuple
382 and set_irn_op() in irgmod/irnode.
383 Changed implementation of irn_Minus (although commented out).
384 Now all features are ported or documented for this function.
387 Compared computed_value to the one in the original fiasco.
388 Added one further optimization in case iro_Proj.
389 Now all features are ported for this function.
392 Updated comments in ircons.h.
395 Changed possible attribute of SymConst from type_class to type.
396 SymConst size could be the size of a union, array, ...
399 Implemented two dumpers that dump type information and a graph with
403 Implemented a walker that walks over the type informatin that can
404 be reached from an ir node.
405 Added routine get_kind(firm_thing) in common.h, Added file common.c.
406 Added files typewalk.ch and routines to irdump.
407 Added visited flags and initialization to entity and all types.
408 Implemented some of the missing access routines in type.c, entity.c
411 Implemented constructor for ShrA.
413 Added routine that iterates the graph and verifies all nodes.
414 Added Phi_in stack to irgraph. This allows to build several
415 graphs at once with respect to the Phi building algorithm.
418 Implemented dumper for control flow graphs. Changed irr_* and dead_*
419 examples to dump cfg.
422 Implemeted explicit stack for the Phi node generation. See ircons.c.
425 added include string.h in xoprintf.c to get rid of warning:
426 implicit declaration of function `bcopy'
430 Added more cases to equivalent_node.
431 Portet gigo, identify, identify_remember.
432 The set/pset library can not handle several hash tables. At least,
433 compiling several procedures causes a segmentation fault during access
434 to the tables (oo_program_example). Need to work on this.
435 transform_node still needs to be ported.
436 some cases in equivalent_node are still missing.
438 To get it running I had to remove the call to optimize in the
439 new_Block constructor. It can only be called when the Block is
443 Introduced a walker that walks only over blocks. The asserts
444 might be too strict for general graphs, but so far it works.
445 For the walker I introduced an additional flag in the attribute
446 of Blocks, an a global block_visited variable (in irgraph.h).
447 Furhter I modularized dump_ir_node, implemented dump_ir_graph
448 with the existing walker, and added new routines to output a
450 Changed the examples to call the new dump routine.
453 Added auxiliary routines to ir_node:
454 skip_Proj, skip_Nop, is_Bad ...
455 Changed access routines to use get_irn_n instead of explicit array
456 accesses. Changed get_irn_n to call skip_Id, so that the access routines
457 never will return Id nodes.
460 Repaired Phi computation, changed new_r_Phi_in. Added test program to
461 test irregular controlflow.
464 Updated optimizations computed_value and equivalent_node to new
465 Syntax of FIRM nodes and to use access routines.
466 Added routine skip_Proj in irnode.
468 2.2.2000 Boris Boesler
469 Added files irgwalk.c and irgwalk.h. They include a simple function to
470 traverse an ir graph and execute pre and post functions to current node.
473 Added arrays with parameters and result types to the type informtion
474 of a procedure. This is needed for the code generation. Also added
475 the corresponding access routines.
476 Adapted the testprograms.
479 Found a bug / complication: the call order
480 get_value (makes Phi0, put's it into graph_arr)
481 set_value (overwrites Phi0 in graph_arr)
482 mature_block (upgrades Phi0, puts it again into graph_arr, overwriting
484 fails. Added test wether graph_arr is already set in phi_merge.
486 Added tons of comments to explain Phi generation -- the stack hack.
490 irdump now outputs the pnc_number for projs of Cmp nodes.
491 Added routine to access the pnc_string.
494 Added result "dataseg" to Start node, with all it's consequences.
495 We need this for the compiler lab to translate global variables.
496 Now they can be selected from the data segment, and the start
497 node supplies the pointer to this segment.
498 These changes are guarded by preprocessor variable UEBPRAKT in
500 Changed files: common.h, irgraph.ch, irnode.h
504 removed array_example, added array-heap_example and
505 array-stack_example and adapted makefile.
507 Entity now also allows type_method as owner. This is to model
508 the stack, Sel nodes that select a variable (array) from the
509 stack need an entity that describes what they select. This
510 entity gets the type of the enclosing procedure as owner.
513 Added future access routines in `irmode.[ch]' as comments,
514 that all attributes in the ir_mode struct can be user-defined.
515 Added access routines in `irgraph.[ch]', for all attributes.
518 Moved verify routines from `irgraph.[ch]' to own files `irvrfy.[ch]'.
519 Added `irvrfy.[ch]' to MAKEFILE
520 Added "inline" before access routines in `irnode.h', that no warnings
521 will appear furthermore.
522 Added three more access routines in `irmode.[ch]':
523 struct tarval *get_min_of_mode (ir_mode *mode);
524 struct tarval *get_max_of_mode (ir_mode *mode);
525 struct tarval *get_null_of_mode (ir_mode *mode);
528 Adaption of Alloc, Sel and Entity to new types:
529 Changed array_example to use type instead of type_class.
530 Changed entity to allow all types as owner instead of
531 only type_class. Added routine "assert_legal_owner_of_ent(type* type)".
532 Changed alloc to allow allocating variables of any type instead of
534 Adapted all testprograms to avoid warnings.
536 removed dtest ... from Makefile, replaced by test.
539 Added "run" to makefile, added array_example to makefile of testprograms.
540 Corrected testprogram array
541 Changed assert in irvrfy -- Conv.
projects / libfirm / blob