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PR c++/25010
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
2
3         PR c++/25010
4         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
5         DECL_EXTERNAL functions have no bodies.  Tidy.
6
7 2005-12-10  Andreas Schwab  <schwab@suse.de>
8
9         * except.c (switch_to_exception_section): Only define if
10         TARGET_UNWIND_INFO is not defined.
11
12 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
13
14         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
15         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
16
17 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
18
19         * output.h (init_section, fini_section): Delete.
20         * varasm.c (init_section, fini_section): Delete.
21         (init_varasm_once): Don't initialize them.
22         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
23         there are no corresponding varasm.c variables.
24
25 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
26
27         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
28         of EH_FRAME_SECTION_NAME into...
29         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
30         if it is still null.
31         * except.c (default_exception_section): Delete, moving most
32         of the code to...
33         (switch_to_exception_section): ...this new function.  Set
34         exception_section if it is still null, then switch to it.
35         (output_function_exception_table): Use switch_to_exception_section.
36         * varasm.c (exception_section, eh_frame_section): Update comments.
37         (get_section): Hoist use of SECTION_NAMED.
38         (init_varasm_once): Don't set exception_section and eh_frame_section.
39         * output.h (default_exception_section): Delete.
40         (default_eh_frame_section): Delete.
41
42 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
43
44         * config/bfin/bfin.c: Include "cgraph.h".
45         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
46         Return the reg that holds the pointer to the GOT.
47         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
48         doing stack checking.
49
50 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
51
52         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
53         recompute_tree_invarant_for_addr_expr.
54         Update uses everywhere.
55
56 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
57
58         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
59         (MULTILIB_DIRNAMES): Define.
60
61 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
62
63         PR target/25311
64         * config/s390/s390.c (struct s390_address): New field literal_pool.
65         (s390_decompose_address): Compute literal_pool field.  Do not 
66         assume register %r13 is always (and solely) used as pool base.
67         (s390_extra_constraint_str): Use literal_pool field.
68
69 2005-12-09  Thiemo Seufer  <ths@networkno.de>
70
71         * config/mips/mips.c (override_options): Don't allow too small
72         integers in FP registers.
73
74 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
75
76         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
77         targetm.binds_local_p to check for local function calls.
78
79 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
80
81         PR debug/24908
82         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
83         call_used_regs can't be used to save reg in another reg.
84
85 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
86             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
87
88         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
89         abort.
90         * except.c (output_ttype): Likewise.
91         * tree-object-size.c (collect_object_sizes_for): Likewise.
92         (check_for_plus_in_loops_1): Likewise.
93         (check_for_plus_in_loops): Likewise.
94         (compute_object_sizes): Use gcc_unreachable instead of abort.
95
96 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
97
98         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
99         (loop_end, loop_init, doloop_end): New insns.
100         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
101         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
102         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
103         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
104         * config/ms1/ms1.c: #include basic-block.h
105         (struct machine_function): Add has_loops field.
106         (ms1_add_loop): New.
107         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
108         (struct loop_info, struct loop_work): New.
109         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
110         (ms1_reorg_loops): New loop optimization.
111         (ms1_machine_reorg): Call it.
112         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
113
114 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
115
116         PR tree-optimization/25248
117         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
118         evolution_of_loop from the failed attempt.  Remove handling
119         of MULT_EXPR.
120
121 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
122
123         * tree.h (DECL_EXTERNAL): Clarify documentation.
124
125 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
126             Jakub Jelinek  <jakub@redhat.com>
127
128         PR target/25268
129         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
130         argument.  Don't drop outer ANDs.
131         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
132         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
133         prototype.
134         * config/s390/predicates.md (setmem_operand): Remove.
135         (shift_count_operand): Rename to...
136         (shift_count_or_setmem_operand): ... this.  Adjust
137         s390_decompose_shift_count caller.
138         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
139         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
140         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
141         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
142         rotl<mode>3_and, setmem_long_and): New insns.
143         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
144         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
145         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
146         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
147         of shift_count_operand.
148         (setmem_long): Use shift_count_or_setmem_operand instead of
149         setmem_operand.
150
151 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
152             Andreas Tobler  <a.tobler@schweiz.ch>
153
154         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
155         tr expression.
156
157 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
158
159         * expr.c (force_operand): Use convert_to_mode for conversions.
160
161 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
162
163         * reload.h (reg_equiv_invariant): Declare.
164         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
165         register also when reg_equiv_invariant[R] is set.
166
167 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
168             Andreas Tobler  <a.tobler@schweiz.ch>
169
170         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
171
172 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
173
174         * tree-ssa-pre.c (bitmap_set_and): New function.
175         (bitmap_set_and_compl): New function.
176         (bitmap_set_empty_p): New function.
177         (insert_extra_phis): New function.
178         (compute_avail): Use insert_extra_phis.
179
180 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
181
182         * config/s390/s390.c (s390_expand_atomic): New function.
183         Adjust comment of helper functions.
184         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
185         * config/s390/s390.md ("ATOMIC"): New code macro.
186         ("atomic"): Corresponding new code attribute.
187         ("sync_lock_test_and_set[hq]i", 
188         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
189
190 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
191
192         * config/s390/s390.c (s390_expand_mask_and_shift, 
193         struct alignment_context, init_alignment_context, 
194         s390_expand_cs_hqi): New.
195         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
196         * config/s390/s390.md ("sync_compare_and_swaphi",
197         "sync_compare_and_swapqi"): New pattern.
198
199 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
200
201         Fix PR tree-optimization/25291
202         * tree-ssa-operands.c (add_call_clobber_ops): Remove
203         redundant and crashing check.
204
205 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
206
207         PR target/25212
208         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
209         tests further when !strict && reload_in_progress.
210         (print_operand): Check that both operands of indexed address are regs.
211         (print_operand_address): Likewise.
212         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
213         (INT_REG_OK_FOR_BASE_P): Correct.
214
215 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
216
217         Preparation for PR rtl-optimization/20070 / part1
218         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
219         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
220         outgoing_edges_match.
221         (outgoing_edges_match): Use condjump_equiv_p.
222         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
223         into..
224         * struct-equiv.c: New file.
225         (death_notes_match_p) New function, broken out of insns_match_p.
226         * Makefile.in (OBJS-common): Add struct-equiv.o.
227         (struct-equiv.o): New target.
228
229 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
230
231         * coretypes.h: Revert previous change.
232         * config/darwin.h: Revert previous reversion.
233         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
234
235 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
236
237         * coretypes.h (section): Provide dummy definition for target files.
238         * config/darwin.h: Revert previous change.
239
240 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
241
242         * doc/sourcebuild.texi (all.build, install-normal): Remove.
243         * configure.ac: Remove all.build and install-normal from target_list
244         * configure: Regenerate.
245         * Makefile.in (install): Don't depend on install-normal.
246
247 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
248
249         * Makefile.in: Document the use of stamps.
250
251 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
252
253         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
254         * Makefile.in: Add code to compute some dependencies on s-gtype
255         automatically.  Remove the declaration of those dependencies.
256
257 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
258
259         * gcc/reload.c (push_secondary_reload): Fix typo:
260         s/insn_constraint/scratch_constraint/.
261
262 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
263
264         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
265
266 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
267
268         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
269         (alpha_elf_select_rtx_section): Return the selected section rather
270         than emitting assembly code.
271         (alpha_write_linkage): Emit a ".link" directive directly and then
272         set in_section to NULL.
273         (vms_asm_out_constructor): Use switch_to_section.
274         (vms_asm_out_destructor): Likewise.
275         (unicosmk_output_common): Set in_section to NULL instead of calling
276         the dummy common_section function.
277         (unicosmk_text_section): Delete in favor of...
278         (unicosmk_output_text_section_asm_op): ...this new function.
279         (unicosmk_data_section): Delete in favor of...
280         (unicosmk_output_data_section_asm_op): ...this new function.
281         (unicosmk_init_sections): New function.
282         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
283         (unicosmk_output_ssib): Set in_section to NULL instead of calling
284         the dummy ssib_section function.
285         (unicosmk_section_buf): Delete.
286         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
287         (unicosmk_data_section): Delete.
288         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
289         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
290         (SECTION_FUNCTION_TEMPLATE): Delete.
291         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
292         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
293         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
294         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
295         (TARGET_ASM_INIT_SECTIONS): Define.
296         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
297         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
298         (link_section, literals_section): Delete.
299         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
300         set in_section to NULL.
301
302         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
303         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
304         (COMMON_SECTION): Delete.
305         (TARGET_ASM_INIT_SECTIONS): Define.
306         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
307         the dummy common_section function.
308         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
309         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
310         between readonly_data_section and text_section to check whether
311         read-only data is being put in the text section.
312         (arm_output_function_epilogue): Use switch_to_section.
313         (arm_elf_asm_constructor): Likewise.
314         (thumb_call_via_reg): Replace call to in_text_section with
315         a comparison between in_section and text_section.
316         (arm_file_end): Use switch_to_section.
317         (aof_text_section): Delete in favor of...
318         (aof_output_text_section_asm_op): ...this new function.
319         (aof_data_section): Delete in favor of...
320         (aof_output_data_section_asm_op): ...this new function.
321         (aof_asm_init_sections): New function.
322         (zero_init_section): Moved from config/arm/aof.h.
323         (aof_dump_imports, aof_file_start): Use switch_to_section.
324         * config/arm/arm.h (thumb_call_via_label): Update comment.
325         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
326         (common_section): Delete.
327         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
328         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
329         global switch_to_section function instead of the old port-local one.
330         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
331         (SWITCH_TO_SECTION_FUNCTION): Delete.
332         (drectve_section): Redefine as a macro.
333         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
334         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
335         switch_to_section.
336
337         * config/avr/avr.c (progmem_section): New variable.
338         (avr_output_progmem_section_asm_op): New function.
339         (avr_asm_init_sections): New function.
340         (avr_output_addr_vec_elt): Use switch_to_section.
341         * config/avr/avr.h (progmem_section): Declare.
342         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
343         (READONLY_DATA_SECTION): Delete.
344         (TARGET_ASM_INIT_SECTIONS): Define.
345         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
346         * config/avr/avr-protos.h (progmem_section): Delete.
347
348         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
349
350         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
351         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
352
353         * config/darwin-sections.def: New file.
354         * config/darwin.c: Define all sections in darwin-sections.def.
355         (output_objc_section_asm_op, darwin_init_sections): New functions.
356         (machopic_output_indirection): Use switch_to_section.
357         (machopic_select_section): Return the selected section rather than
358         emitting assembly code.  Replace the static function table with
359         inline conditional expressions.  Update the tests of last_text_section
360         and move them into the FUNCTION_DECL block.
361         (machopic_select_rtx_section): Return the selected section rather than
362         emitting assembly code.
363         (machopic_asm_out_constructor, machopic_asm_out_destructor)
364         (darwin_file_end): Use switch_to_section.
365         * config/darwin.h: Use darwin-sections.def to declare sections.
366         (INIT_SECTION_ASM_OP): Remove empty definition.
367         (HAS_INIT_SECTION): Define this instead.
368         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
369         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
370         (TARGET_ASM_EH_FRAME_SECTION): Delete.
371         (TARGET_ASM_INIT_SECTIONS): Define.
372         * config/darwin-protos.h (darwin_init_sections): Declare.
373         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
374         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
375         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
376         (constructor_section, destructor_section, mod_init_section): Delete.
377         (mod_term_section): Delete.
378         (darwin_exception_section, darwin_eh_frame_section): Delete.
379         (machopic_select_section): Return a section.
380         (machopic_select_rtx_section): Likewise.
381         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
382         (const_section, const_coal_section, const_data_section): Delete.
383         (const_data_coal_section, data_coal_section, cstring_section): Delete.
384         (literal4_section, literal8_section, constructor_section): Delete.
385         (mod_init_section, mod_term_section, destructor_section): Delete.
386         (objc_class_section, objc_meta_class_section, objc_category_section)
387         (objc_class_vars_section, objc_instance_vars_section): Delete.
388         (objc_cls_meth_section, objc_inst_meth_section): Delete.
389         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
390         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
391         (objc_symbols_section, objc_module_info_section): Delete.
392         (objc_image_info_section, objc_protocol_section): Delete.
393         (objc_string_object_section, objc_constant_string_object_section)
394         (objc_class_names_section, objc_meth_var_names_section): Delete.
395         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
396         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
397         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
398         (darwin_exception_section, darwin_eh_frame_section): Delete.
399         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
400
401         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
402         (frv_asm_out_destructor): Likewise.
403         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
404         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
405         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
406         get_named_section.
407         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
408         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
409         (data_section): Delete.
410
411         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
412         (DRECTVE_SECTION_FUNCTION): Delete.
413         (drectve_section): Redefine as a macro that sets in_section after
414         emitting the directive.
415         (SWITCH_TO_SECTION_FUNCTION): Delete.
416         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
417         in_text_section with comparison between in_section and text_section.
418         * config/i386/i386.c (x86_64_elf_select_section): Return the section
419         rather than emitting assembly code.  Use get_named_section.
420         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
421         get_named_section.
422         (machopic_output_stub): Use switch_to_section.
423         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
424         (nwld_named_section_asm_out_destructor): Use get_section and
425         switch_to_section.
426
427         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
428         rather than emitting assembly code.
429         (ia64_rwreloc_select_section): Likewise.
430         (ia64_rwreloc_select_rtx_section): Likewise.
431         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
432         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
433         switch_to_section.
434         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
435         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
436
437         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
438         section rather than emitting assembly code.
439         (iq2000_select_section): Likewise.
440         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
441         (sbss_section): Delete.
442
443         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
444         and get_named_section.
445         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
446
447         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
448         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
449         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
450         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
451         in_section to NULL.
452         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
453         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
454         global switch_to_section function instead of the old port-local one.
455         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
456         (SWITCH_SECTION_FUNCTION): Delete.
457         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
458         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
459         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
460         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
461         in_section to NULL.
462         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
463         global switch_to_section function instead of the old port-local one.
464         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
465
466         * config/mips/mips.c (mips_file_start): Update comment.
467         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
468         (mips_output_aligned_decl_common): Use switch_to_section.
469         (mips_select_rtx_section): Return the section rather than emitting
470         assembly code.  Use get_named_section.
471         (mips_function_rodata_section: Likewise get_section.
472         (build_mips16_function_stub): Use switch_to_section.
473         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
474         (SDATA_SECTION_ASM_OP): Delete.
475         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
476         (EXTRA_SECTION_FUNCTIONS): Delete.
477
478         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
479         (mmix_asm_output_aligned_local): Use switch_to_section.
480
481         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
482         (som_one_only_readonly_data_section): New variables.
483         (pa_output_function_epilogue): Set in_section to NULL instead of
484         calling forget_section.
485         (output_deferred_plabels): Use select_section.
486         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
487         of calling forget_section.
488         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
489         (pa_asm_output_aligned_local): Use select_section.
490         (som_text_section_asm_op): Delete in favor of...
491         (som_output_text_section_asm_op): ...this new function.
492         (pa_som_asm_init_sections): New function.
493         (pa_select_section): Return the section rather than emitting
494         assembly code.
495         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
496         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
497         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
498         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
499         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
500         (som_readonly_data_section, som_one_only_readonly_data_section)
501         (som_one_only_data_section, forget_section): Delete.
502         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
503         (TARGET_ASM_INIT_SECTIONS): Define.
504         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
505
506         * config/rs6000/rs6000.c (read_only_data_section): New variable.
507         (private_data_section, read_only_private_data_section): New variables.
508         (sdata2_section, toc_section): New variables.
509         (rs6000_file_start): Use switch_to_section.
510         (rs6000_assemble_integer): Use comparisons against in_section
511         instead of calling in_toc_section and in_text_section.  Use
512         unlikely_text_section_p.
513         (rs6000_elf_output_toc_section_asm_op): New function, derived
514         from the old rs6000/sysv4.h toc_section function.
515         (rs6000_elf_asm_init_sections): New function.
516         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
517         the section rather than emitting assembly code.
518         (machopic_output_stub): Use switch_to_section.
519         (toc_section): Delete dummy function.
520         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
521         switch_to_section and get_section.
522         (rs6000_xcoff_output_readonly_section_asm_op): New function.
523         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
524         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
525         the old rs6000/xcoff.h toc_section function.
526         (rs6000_xcoff_asm_init_sections): New function.
527         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
528         the section rather than emitting assembly code.
529         (rs6000_xcoff_file_start): Use switch_to_section.
530         (rs6000_xcoff_file_end): Likewise.
531         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
532         (sdata2_section, sbss_section, private_data_section): Delete.
533         (read_only_data_section, read_only_private_data_section): Delete.
534         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
535         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
536         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
537         (FINI_SECTION_FUNCTION): Delete.
538         (TARGET_ASM_INIT_SECTIONS): Define.
539         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
540         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
541         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
542         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
543         (READONLY_DATA_SECTION): Delete.
544         (TARGET_ASM_INIT_SECTIONS): Define.
545         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
546         to NULL rather than no_section.
547         (TARGET_ASM_EXCEPTION_SECTION): Delete.
548
549         * config/sh/sh.c (sh_file_start): Use switch_to_section.
550
551         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
552         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
553         from call to current_function_section.
554
555         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
556         (bss100_section): New variable.
557         (xstormy16_asm_output_aligned_common): Use switch_to_section.
558         (xstormy16_asm_init_sections): New function.
559         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
560         switch_to_section and get_section.
561         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
562         from calls to current_function_section.
563         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
564         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
565         (TARGET_ASM_INIT_SECTIONS): Define.
566         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
567
568         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
569         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
570         (FINI_SECTION_FUNCTION): Delete.
571
572         * config/v850/v850.c: Include gt-v850.h.
573         (rosdata_section, rozdata_section, tdata_section, zdata_section)
574         (zbss_section): New variables.
575         (v850_output_aligned_bss): Use switch_to_section.
576         (v850_asm_init_sections): New function.
577         (v850_select_section): Return the section rather than emitting
578         assembly code.
579         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
580         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
581         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
582         (TARGET_ASM_INIT_SECTIONS): Define.
583         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
584         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
585         (zbss_section): Delete.
586
587         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
588
589         * config/vx-common.h (vxworks_exception_section): Delete.
590         (TARGET_ASM_EXCEPTION_SECTION): Delete.
591
592         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
593         section rather than emitting assembly code.
594         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
595         switch_to_section.
596
597         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
598         * coretypes.h (section): New union and typedef.
599         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
600         from call to current_function_section.
601         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
602         (dbxout_symbol_location): Use switch_to_section.
603         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
604         most of the code into...
605         (default_eh_frame_section): ...here.  Return a section.
606         (collect2_eh_frame_section): Delete, moving most of the code into..
607         (switch_to_eh_frame_section): ...this new function.
608         (debug_info_section, debug_abbrev_section, debug_aranges_section)
609         (debug_macinfo_section, debug_line_section, debug_loc_section)
610         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
611         variables.
612         (output_call_frame_info): Call switch_to_eh_frame_section instead of
613         eh_frame_section.  Use switch_to_section and get_section.
614         (dwarf2out_begin_prologue): Use switch_to_section.
615         (AT_string_form): Check the flags in debug_str_section instead of
616         DEBUG_STR_SECTION_FLAGS.
617         (output_comp_unit): Use switch_to_section, get_section, and
618         debug_info_section.
619         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
620         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
621         from call to current_function_section.
622         (dwarf2out_var_location): Use unlikely_text_section_p.
623         (dwarf2out_source_line): Use switch_to_section.  Remove argument
624         from call to current_function_section.
625         (dwarf2out_start_source_file, dwarf2out_end_source_file)
626         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
627         debug_macinfo_section.
628         (dwarf2out_init): Initialize the new section variables.  Use them
629         instead of calls to named_section_flags.  Use switch_to_section.
630         (output_indirect_string): Use switch_to_section and debug_str_section.
631         (dwarf2out_finish): Use switch_to_section and the new section
632         variables.
633         * except.c (default_exception_section): Return the section instead
634         of emitting assembly code.
635         (output_function_exception_table): Use the global exception_section
636         variable instead of the target hook.  Use switch_to_section.  Remove
637         argument from call to current_function_section.
638         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
639         (shorten_branches): Use pointer comparisons to detect whether the
640         text section is the same as readonly_data_section.
641         (profile_function): Use switch_to_section.  Remove argument from
642         call to current_function_section.
643         (final_scan_insn): Likewise.  Update use of last_text_section.
644         * gengtype.c (open_base_files): Add an include of output.h.
645         * output.h (text_section, data_section, readonly_data_section)
646         (ctors_section, dtors_section, bss_section, init_section)
647         (fini_section, sdata_section): Turn into section pointers.
648         (in_text_section, in_unlikely_text_section, exports_section)
649         (drectve_section, named_section, mergeable_string_section)
650         (last_text_section_name): Delete.
651         (default_exception_section, default_eh_frame_section): Return sections.
652         (SECTION_DECLARED, SECTION_NAMED): New macros.
653         (SECTION_MACH_DEP): Bump value.
654         (section_common, named_section, unnamed_section): New structures.
655         (unnamed_section_callback): New typedef.
656         (section): New union.
657         (sbss_section, exception_section, eh_frame_section): New variables.
658         (in_section, last_text_section): Turn into section pointers.
659         (get_unnamed_section, get_section, get_named_section): New functions.
660         (mergeable_constant_section, function_section): Return a section.
661         (unlikely_text_section): Likewise.
662         (current_function_section): Likewise.  Remove the decl argument.
663         (unlikely_text_section_p, switch_to_section): New functions.
664         (output_section_asm_op): New function.
665         (set_named_section_flags, named_section_flags, named_section_real)
666         (named_section_first_declaration): Delete.
667         (default_select_section, default_elf_select_section): Return a section.
668         (default_elf_select_section_1, default_function_rodata_section)
669         (default_no_function_rodata_section, default_select_rtx_section)
670         (default_elf_select_rtx_section): Likewise.
671         * rtl.h (in_data_section): Delete.
672         * sdbout.c (sdbout_one_type): Use switch_to_section.
673         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
674         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
675         (TARGET_ASM_EH_FRAME_SECTION): Poison.
676         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
677         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
678         (TARGET_ASM_OUT): Update after above changes.
679         * target.h (init_sections): New hook.
680         (exception_section, eh_frame_section): Delete.
681         (select_section, select_rtx_section, function_rodata_section): Return
682         a section rather than emitting assembly code.
683         * varasm.c (text_section, data_section, readonly_data_section)
684         (ctors_section, dtors_section, bss_section, init_section)
685         (fini_section): Turn into section pointers.
686         (sdata_section, sbss_section, exception_section): New variables.
687         (eh_frame_section): New variable.
688         (in_section): Make global and turn into a section pointer.
689         (last_text_section): Turn into a section pointer.
690         (unnamed_sections): New variable.
691         (in_named_name, last_text_section_name): Delete.
692         (EXTRA_SECTION_FUNCTIONS): Delete.
693         (in_named_entry): Delete.
694         (section_htab): New variable, replacing...
695         (in_named_htab): ...this deleted variable.
696         (section_entry_eq, section_entry_hash): New functions, based on...
697         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
698         (get_unnamed_section, get_section): New functions.
699         (unlikely_text_section): Return a section instead of emitting
700         assembly code.
701         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
702         (get_named_section_flags, named_section_first_declaration): Delete.
703         (unlikely_text_section_p): New function.
704         (named_section_real, named_section): Delete.
705         (get_named_section): New function.
706         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
707         (function_section): Return a section rather than emitting
708         assembly code.
709         (current_function_section): Likewise.  Remove argument.  Use
710         last_text_section if nonnull, otherwise use function_section.
711         (default_function_rodata_section): Return a section rather than
712         emitting assembly code.  Use get_section.
713         (default_no_function_rodata_section): Return a section rather than
714         emitting assembly code.
715         (variable_section): Use switch_to_section and get_named_section.
716         (mergeable_string_section): Return a section rather than emitting
717         assembly code.  Use get_section.  Make static.  Don't take special
718         countermeasures for empty strings.
719         (mergeable_constant_section): Return a section rather than emitting
720         assembly code.  Use get_section.
721         (default_named_section_asm_out_destructor): Use switch_to_section
722         and get_section.
723         (default_dtor_section_asm_out_destructor): Use switch_to_section.
724         (default_named_section_asm_out_constructor): Use switch_to_section
725         and get_section.
726         (default_ctor_section_asm_out_constructor): Use switch_to_section.
727         (assemble_start_function): Likewise.  Set last_text_section to
728         NULL rather than no_section.  Change the type of save_section.
729         (assemble_zeros, assemble_variable): Use the section flags to detect
730         whether or not a section is text.
731         (assemble_static_space): Use switch_to_section.
732         (assemble_trampoline_template): Likewise.
733         (output_constant_def_contents): Use switch_to_section and
734         get_named_section.
735         (output_constant_pool_1): Use switch_to_section.  Use the section
736         flags to see whether sections contain mergeable data.
737         (init_varasm_once): Initialize section_htab instead of in_named_htab.
738         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
739         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
740         whether a section has already been declared.
741         (default_select_section, default_elf_select_section): Return a
742         section rather than emitting assembly code.
743         (default_elf_select_section_1): Likewise.  Use bss_section for
744         SECCAT_BSS if nonnull.  Use get_named_section.
745         (default_select_rtx_section): Return a section rather than
746         emitting assembly code.
747         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
748         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
749         (output_section_asm_op, switch_to_section): New functions.
750         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
751         get_named_section.
752
753         * doc/tm.texi: Expand the introduction to the sections documentation.
754         (TRAMPOLINE_SECTION): Document new interface.
755         (SDATA_SECTION_ASM_OP): Document new macro.
756         (READONLY_DATA_SECTION): Delete.
757         (SDATA_SECTION_ASM_OP): Document new macro.
758         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
759         (TARGET_ASM_INIT_SECTIONS): Document new hook.
760         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
761         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
762         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
763
764 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
765
766         * gcc.c (init_gcc_specs): Match braces inside conditionally
767         compiled strings.
768
769 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
770
771         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
772
773 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
774
775         PR C++/24138
776         * tree.c (integer_all_onesp): Always return true if all bits on.
777
778         * testsuite/g++.dg/init/array0.C: New.
779
780 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
781
782         * doc/md.texi: Adapt to implementation.
783
784 2005-12-06  Andreas Schwab  <schwab@suse.de>
785
786         * opts.c (decode_options): Fix typo in message.
787
788 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
789
790         PR other/13873
791         * longlong.h: Merge PPC tests from upstream.
792
793 2005-12-06  Richard Guenther  <rguenther@suse.de>
794
795         * fold-const.c (fold_convert): Do not build and fold
796         CONVERT_EXPR, but always use NOP_EXPR.
797
798 2005-12-06  Jan Beulich  <jbeulich@novell.com>
799
800         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
801         __builtin_ia32_paddq and __builtin_ia32_subq.
802         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
803         __builtin_ia32_pshufw.
804         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
805
806 2005-12-05  James E Wilson  <wilson@specifix.com>
807
808         PR target/24934
809         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
810         is set.
811
812 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
813         
814         * print-tree.c (print_node): Ditto.
815         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
816         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
817         before accessing DECL_ARTIFICIAL. 
818         Handle new tag tree codes.
819         * tree-flow-inline.h (clear_call_clobbered): Update for tag
820         changes.
821         (unmodifiable_var_p): Ditto.
822         * tree-flow.h (mem_tag_kind): Remove.
823         (struct var_ann_d): Remove mem_tag_kind member.
824         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
825         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
826         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
827         (group_aliases): Ditto.
828         (setup_pointers_and_addressables): Ditto.
829         (is_escape_site): Ditto.                                          
830         (may_alias_p): Ditto.
831         (create_tag_raw): New function.
832         (create_memory_tag): Use it.
833         (dump_alias_info): Update for tags.
834         (may_be_aliased): Ditto.
835         (add_type_alias): Ditto.
836         (new_type_alias): Ditto.
837         (create_sft): Ditto.
838         (create_structure_vars): Ditto.
839         * tree-ssa-ccp.c (get_default_value): Ditto.
840         * tree-ssa-operands.c (get_expr_operands): Ditto.
841         (add_stmt_operand): Ditto.
842         (add_call_clobber_ops): Remove duplicated condition.
843         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
844         tags.
845         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
846         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
847         * tree.c (init_ttree): Update structures for new tree codes.
848         (tree_code_size): Update sizes for new tree codes.
849         (make_node_stat): Don't try to set common things on minimal
850         structures.
851         (tree_node_structure): Update for tags.
852         (is_global_var): Ditto.
853         * tree.def: Add new tree codes.
854         * tree.h (MTAG_P): New macro.
855         (TREE_MEMORY_TAG_CHECK): Ditto.
856         (SSA_VAR_P): Update for tags.
857         (struct tree_memory_tag): New structure.
858         (MTAG_GLOBAL): New macro.
859         (union tree_node): Add memory tag member.
860         * treestruct.def (TS_MEMORY_TAG): New.
861         
862 2005-12-05  Dale Johannesen  <dalej@apple.com>
863
864         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
865         what was approved (PR 24323).
866
867 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
868
869         * doc/c-tree.texi (Function Bodies): Remove description of
870         RETURN_INIT.
871
872 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
873
874         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
875         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
876         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
877         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
878         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
879         __divxc3): Document.
880
881 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
882
883         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
884         previous behaviour.
885         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
886         hook_bool_void_false.
887         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
888         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
889
890         * config/darwin.c (machopic_select_section): It's not defined
891         as weak if it's only marked as weak_import.
892         
893         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
894         Prototype.
895
896         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
897         A hidden weak object does bind locally.  Strong linkonce data
898         counts like any other strong symbol for binding.
899         (weak_finish_1): Don't specially handle weakrefs, they no longer
900         arrive here.
901         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
902         * c-common.c (handle_alias_attribute): Allow static aliases
903         of variables.
904         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
905         * gthr-dce.h: Make weakrefs static.
906         * gthr-tpf.h: Likewise.
907         * gthr-solaris.h: Likewise.
908         * gthr-posix.h: Likewise.
909         * gthr-posix95.h: Likewise.
910         * config/darwin.c (darwin_encode_section_info): static weakref
911         variables are not necessarily defined in this translation unit.
912         * doc/extend.texi (Function Attributes): Mention that an alias
913         attribute creates a definition for the thing it's attached to.
914         Change the documentation for weakref to say that the thing
915         it's attached to must be static.
916
917         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
918         we don't go into an infinite loop.
919
920 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
921
922         * config/rs6000/predicates.md (logical_const_operand): Split
923         out of logical_operand.
924         (logical_operand): Use it.
925         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
926         logical_const_operand.
927
928 2005-12-05  Jan Beulich  <jbeulich@novell.com>
929
930         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
931         and IX86_BUILTIN_CMPNESS.
932         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
933         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
934         * config/i386/i386.md (movti_internal): Correct type attribute.
935         Simplify mode attribute.
936         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
937         Correct type attribute.
938         (absxf2): Correct operator.
939         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
940         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
941         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
942         mode attribute.
943         (sse2_vmsqrtv2df2): Correct mode attribute.
944
945 2005-12-05  Jan Beulich  <jbeulich@novell.com>
946
947         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
948         16 bits. Provide insn pattern for this case.
949
950 2005-12-05  Jan Beulich  <jbeulich@novell.com>
951
952         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
953         result.
954         (__popcountDI2): Likewise.
955
956 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
957
958         PR target/25166
959         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
960         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
961         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
962         functions.
963
964 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
965
966         * c-typeck.c (null_pointer_constant_p): New function.
967         (build_conditional_expr, build_c_cast, convert_for_assignment,
968         build_binary_op): Use it.
969
970 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
971
972         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
973         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
974         CONVERT_EXPR.
975         (check_function_arguments_recurse): Allow both NOP_EXPR and
976         CONVERT_EXPR but check conversions preserve precision.
977         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
978         but check conversions preserve precision.
979         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
980         default case.
981
982 2005-12-04  Roger Sayle  <roger@eyesopen.com>
983
984         PR c/7776
985         * common.opt (Wstring-literal-comparison): New command line option.
986         * c-opts.c (c_common_handle_option): Set it with -Wall.
987         * c-typeck.c (parser_build_binary_op): Issue warning if either
988         operand of a comparison operator is a string literal, except for
989         testing equality or inequality against NULL.
990
991         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
992
993 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
994
995         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
996         of building a NOP_EXPR.
997         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
998         NOP_EXPR.
999         * c-convert.c (convert): Use fold_convert instead of building
1000         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1001         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1002         #if 0 code.
1003         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1004         NOP_EXPR the same as CONVERT_EXPR.
1005         * c-typeck.c (build_function_call): Use fold_convert instead of
1006         building a NOP_EXPR directly.
1007         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1008
1009 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1010
1011         PR rtl-optimization/25197
1012         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1013         have a reg.
1014
1015 2005-12-02  Stuart Hastings  <stuart@apple.com>
1016
1017         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1018         warning.
1019
1020 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1021
1022         * c-typeck.c (default_function_array_conversion,
1023         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1024         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1025         orig_op2.  Don't check them for NOP_EXPR.
1026         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1027         around integer zero.
1028
1029 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1030
1031         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1032         toc_save_offset, toc_size, lr_size.
1033         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1034         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1035         Adjust for removal of unused rs6000_stack_t fields.
1036         (debug_stack_info): Adjust.
1037         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1038         first, and don't bother checking for set/inc of lr on sibcalls.
1039         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1040
1041 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1042
1043         PR target/25199
1044         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1045         5 if operand 1 is not aligned.  Undo previous constraint change.
1046         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1047
1048 2005-12-02  Richard Guenther  <rguenther@suse.de>
1049
1050         * tree.h (build): Remove prototype.
1051         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1052         * tree.c (build): Remove.
1053         (build0_stat): Update comment.
1054
1055 2005-12-02  Richard Guenther  <rguenther@suse.de>
1056
1057         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1058         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1059         Likewise.
1060         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1061         maybe_fold_offset_to_component_ref): Likewise.
1062         * tree-ssa-dom.c (thread_across_edge,
1063         simplify_rhs_and_lookup_avail_expr,
1064         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1065         Likewise.
1066         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1067         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1068         lower_try_finally_switch): Likewise.
1069         * tree-if-conv.c (add_to_dst_predicate_list,
1070         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1071         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1072         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1073         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1074         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1075         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1076         gimplify_init_ctor_eval, gimplify_init_constructor,
1077         gimplify_variable_sized_compare, gimplify_boolean_expr,
1078         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1079         gimplify_expr, gimplify_body, gimplify_function_tree,
1080         force_gimple_operand): Likewise.
1081         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1082         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1083         mx_register_decls): Likewise.
1084         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1085         get_frame_field, finalize_nesting_tree_1): Likewise.
1086         * tree-inline.c (setup_one_parameter): Likewise.
1087         * tree-vect-transform.c (vectorizable_condition): Likewise.
1088         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1089         Likewise.
1090         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1091         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1092         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1093         * tree-chrec.h (build_polynomial_chrec): Likewise.
1094
1095 2005-12-02  Richard Guenther  <rguenther@suse.de>
1096
1097         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1098         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1099         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1100         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1101         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1102         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1103         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1104         Likewise.
1105         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1106         sh_adjust_unroll_max): Likewise.
1107         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1108         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1109         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1110         Likewise.
1111         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1112         Likewise.
1113         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1114         Likewise.
1115
1116 2005-12-02  Richard Guenther  <rguenther@suse.de>
1117
1118         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1119         simplify_cond_using_ranges): Use buildN instead of build.
1120         * tree-tailcall.c (adjust_accumulator_values,
1121         adjust_return_value): Likewise.
1122         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1123         generate_element_copy, generate_element_zero,
1124         generate_one_element_init): Likewise.
1125         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1126         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1127         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1128         perfect_nestify): Likewise.
1129
1130 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1131
1132         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1133
1134 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1135
1136         * ggc.h (GGC_RESIZEVEC): New.
1137
1138 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1139
1140         * gcc.c (execute): Improve readability.
1141
1142 2005-12-02  Richard Guenther  <rguenther@suse.de>
1143
1144         * tree-cfg.c (mark_used_vars): New function.
1145         (dump_function_to_file): Dump only used VAR_DECLs.
1146
1147 2005-12-02  Richard Guenther  <rguenther@suse.de>
1148
1149         * convert.c (convert_to_integer): Fix compare for nonpositive
1150         constant to use tree_int_cst_sgn <= 0.
1151
1152 2005-12-02  Richard Guenther  <rguenther@suse.de>
1153
1154         * convert.c (convert_to_integer): Use fold_convert instead
1155         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1156         instead of comparing against 0.  Use build_int_cst instead
1157         of converting integer_zero_node.
1158
1159 2005-12-02  Richard Guenther  <rguenther@suse.de>
1160
1161         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1162         and RROTATE_EXPR.
1163  
1164 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1165
1166         PR target/21017
1167         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1168         rotates.
1169
1170 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1171
1172         PR middle-end/25176
1173         * function.c (expand_function_end): Emit blockage for unwinder
1174         after return label.
1175
1176 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1177
1178         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1179         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1180         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1181         integer constant comparisons.
1182
1183 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1184             Janis Johnson  <janis187@us.ibm.com>
1185             David Edelsohn  <dje@watson.ibm.com>
1186             Ben Elliston  <bje@au.ibm.com>
1187
1188         * dfp.h, dfp.c: New files.
1189         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1190         (DECNUM_H): Likewise.
1191         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1192         (INCLUDES): Append $(DECNUMINC).
1193         (OBJS-common): Add dfp.o.
1194         (dfp.o): New rule.
1195         * real.h (EXP_BITS): Pinch one bit to ..
1196         (struct real_value): Add decimal field.
1197         (real_format): Change table size, update documentation.
1198         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1199         (real_from_string3): Declare.
1200         (decimal_single_format): Declare.
1201         (decimal_double_format): Declare.
1202         (decimal_quad_format): Declare.
1203         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1204         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1205         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1206         * real.c: Include dfp.h.
1207         (normalize): Early return for decimal floats.
1208         (do_add): Zero decimal field.
1209         (do_compare): Call do_decimal_compare for decimal floats.
1210         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1211         (real_arithmetic): Call decimal_real_arithmetic for decimal
1212         floating point operands.
1213         (real_identical): If a and b are of differing radix, return false.
1214         (real_to_integer): Call decimal_real_to_integer if the value is a
1215         decimal float.
1216         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1217         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1218         (real_to_hexadecimal): Place "N/A" in the return string for
1219         decimal float.
1220         (real_from_string3): New variant, given a mode.
1221         (real_maxval): Use decimal_real_maxval for decimal floats.
1222         (round_for_format): Use decimal_round_for_format for decimals.
1223         (real_convert): Use decimal_real_convert where appropriate.
1224         (significand_size): Handle base 10.
1225         (encode_decimal_single, decode_decimal_single,
1226         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1227         decode_decimal_quad): New functions.
1228         (decimal_single_format): New.
1229         (decimal_double_format): New.
1230         (decimal_quad_format): New.
1231         * machmode.def: Add SD, DD and TD decimal floating point modes.
1232         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1233         Include MODE_DECIMAL_FLOAT.
1234         (DECIMAL_FLOAT_MODE_P): New.
1235         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1236         * genmodes.c (struct mode_data): Add counter field.
1237         (struct mode_data): Update comment for format.
1238         (blank_mode): Initialise counter field.
1239         (new_mode): Increment counter field for each mode defined.
1240         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1241         using a format.
1242         (make_complex_modes): Handle modes containing `D'.
1243         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1244         (make_decimal_float_mode): New.
1245         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1246         (cmp_modes): Compare counter field if other characteristics
1247         similar.
1248         (emit_real_format_for_mode): Support formats for decimal floats.
1249         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1250         Document MODE_DECIMAL_FLOAT.
1251
1252 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1253
1254         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1255         Delete dead code.
1256
1257 2005-12-01  Richard Henderson  <rth@redhat.com>
1258
1259         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1260
1261 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1262
1263         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1264
1265         * config/pa/pa.c (pa_init_builtins): If we detect
1266         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1267         putc_unlocked.
1268
1269 2005-12-01  Richard Guenther  <rguenther@suse.de>
1270
1271         * fold-const.c (fold_binary): Use fold_build2, not
1272         fold (build (...)).
1273
1274 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1275
1276         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1277
1278         * vec.h (VEC_block_remove): New.
1279
1280 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1281
1282         PR c/13384
1283         * c-common.c (lvalue_error): Fix wording.
1284
1285 2005-12-01  Richard Guenther  <rguenther@suse.de>
1286
1287         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1288         thinko in last patch.
1289
1290 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1291
1292         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1293         than -flat_namespace.
1294
1295 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1296
1297         * mklibgcc.in: Parameterise the script to build soft float
1298         functions by iterating over each type, rather than cloning the
1299         code for each type.
1300
1301 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1302
1303         PR middle-end/25158
1304         * builtins.c (fold_builtin_fputs): Defer check for missing
1305         replacement functions.
1306
1307 2005-11-30  Kean Johnston  <jkj@sco.com>
1308
1309         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1310         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1311
1312 2005-11-30  Richard Guenther  <rguenther@suse.de>
1313
1314         PR tree-optimization/22501
1315         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1316         function split out from ...
1317         (forward_propagate_addr_expr): ... here.  Use it to propagate
1318         ADDR_EXPRs to all uses.
1319
1320 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1321
1322         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1323         * builtins.c (expand_builtin_mathfn): Use them.
1324         (expand_builtin_mathfn_2): Likewise.
1325         (expand_builtin_mathfn_3): Likewise.
1326         (expand_builtin_int_roundingfn): Likewise.
1327         (expand_builtin): Likewise.
1328         (integer_valued_real_p): Likewise.
1329         (fold_builtin_int_roundingfn): Likewise.
1330         (fold_builtin_bitop): Likewise.
1331         (fold_builtin_logarithm): Likewise.
1332         (fold_builtin_1): Likewise.
1333         * convert.c (convert_to_integer): Likewise.
1334         * fold-const.c (negate_mathfn_p): Likewise.
1335         (tree_expr_nonnegative_p): Likewise.
1336
1337 2005-11-30  Dale Johannesen  <dalej@apple.com>
1338             Andrew Pinski  <pinskia@physics.uc.edu>
1339
1340         * combine.c (find_split_point):  Sign extend bitmask
1341         when changing bitfield assignment to IOR of AND.
1342
1343 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1344
1345         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1346         clobber to scratch reg.
1347         (*decrement_and_branch_until_zero_no_clobber): Remove.
1348         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1349         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1350         * config/ms1/ms1.opt (mmul): Remove.
1351         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1352         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1353
1354 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1355             Bernd Schmidt  <bernd.schmidt@analog.com>
1356
1357         * pa/predicates.md (symbolic_operand): Add comment.
1358         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1359         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1360         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1361         (pa_secondary_reload_class): Delete.
1362         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1363         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1364         copy of symbolic operand.
1365         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1366
1367 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1368
1369         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1370         jump.
1371
1372 2005-11-30  Jeff Law  <law@redhat.com>
1373
1374         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1375         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1376
1377 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1378
1379         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1380         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1381         (ia64_expand_move): Adjust caller.
1382
1383         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1384         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1385         negate VAL.
1386
1387 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1388
1389         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1390         Always produce an output if we can remove NEGs or canonicalize
1391         (minus (minus ...)) expressions.  Provide a fast path for the
1392         two-operand case.
1393         (simplify_gen_binary): Do not call simplify_plus_minus.
1394         (simplify_binary_operation_1): Reassociate at the end of the
1395         function.
1396
1397 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1398
1399         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1400         moves and unpack to speed up.
1401
1402 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1403
1404         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1405         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1406         (gen_v9_scc): Update callers.
1407         * config/sparc/sparc.md: Likewise.
1408         * config/sparc/sparc-protos.h: Update extern declaration.
1409
1410         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1411
1412 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1413
1414         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1415         the if.
1416
1417 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1418
1419         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1420         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1421         (negate_expr): Here.
1422
1423 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1424
1425         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1426         Fix typo in comment.
1427
1428 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1429
1430         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1431         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1432
1433 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1434
1435         PR middle-end/20109
1436         PR middle-end/25120
1437         * builtins.c (init_target_chars): New.
1438         (expand_builtin_printf, expand_builtin_fprintf,
1439         expand_builtin_sprintf, fold_builtin_sprintf,
1440         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1441         fold_builtin_snprintf_chk, fold_builtin_printf,
1442         fold_builtin_fprintf): Check for matching format strings using
1443         the target charset.
1444
1445 2005-11-29  Paul Brook  <paul@codesourcery.com>
1446
1447         * config.gcc: Do not use fixproto on m68k-elf.
1448
1449 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1450
1451         * expmed.c (div_cost): Replace with...
1452         (sdiv_cost, udiv_cost): New.
1453         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1454         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1455         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1456         (expand_divmod): Replace use of div_cost with either sdiv_cost
1457         or udiv_cost depending upon the signedness of the operation.
1458
1459 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1460
1461         PR libfortran/24991
1462         * config/darwin.c (machopic_indirection_name,
1463         machopic_output_indirection): Follow transparent alias chain.
1464
1465 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1466
1467         * varasm.c (ultimate_transparent_alias_target): Add comment.
1468
1469 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1470
1471         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1472         SET_SRC instead of XEXP where appropriate.
1473
1474 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1475
1476         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1477         __builtin_expect.
1478
1479 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1480
1481         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1482         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1483         bit at a time.
1484
1485 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1486
1487         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1488         secondary_input_reload_class, made static.  Adapt to new
1489         infrastructure.
1490         (secondary_output_reload_class): Delete.
1491         (TARGET_SECONDARY_RELOAD): New macro.
1492         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1493         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1494
1495 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1496
1497         PR c++/21166
1498         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1499         when its natural alignment is > BITS_PER_UNIT.
1500         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1501         * c-common.c (handle_packed_attribute): Ignore packing on a field
1502         whose type is naturally char aligned.
1503
1504 2005-11-28  Richard Guenther  <rguenther@suse.de>
1505
1506         * c-common.c (strict_aliasing_warning): Handle all
1507         component-ref like accesses.
1508
1509 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1510             Uros Bizjak  <uros@kss-loka.si>
1511
1512         PR middle-end/20219
1513         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1514         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1515         when flag_unsafe_math_optimizations is set and
1516         we don't care about NaNs or Infinities.
1517
1518         Move x/expN(y) and x/pow(y,z) transformation into common
1519         flag_unsafe_math_optimizations section.
1520
1521 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1522
1523         * gcc.c (main): Change type of argv to "char **".
1524
1525 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1526
1527         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1528         small data sections.
1529         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1530         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1531         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1532         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1533         output locals to sbss if !rs6000_elf_in_small_data_p.
1534         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1535
1536 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1537
1538         PR target/24997
1539         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1540         generated by reload.
1541         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1542         indexed_or_indirect_address.
1543         (indexed_or_indirect_address): Don't test for base reg.  Call
1544         address_operand last.  Make it a special predicate.
1545
1546 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1547
1548         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1549
1550 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1551
1552         PR middle-end/24575
1553         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1554         is undefined.
1555         (negate_expr): Likewise.
1556
1557 2005-11-27  Andreas Schwab  <schwab@suse.de>
1558
1559         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1560         redundant parens.
1561
1562 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1563
1564         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1565         has EH predecessor edges.
1566
1567 2005-11-26  Eric Christopher  <echristo@apple.com>
1568
1569         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1570         register stalls by zero extending to the full register.
1571
1572 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1573
1574         * config/floatunsisf.c, config/floatunsidf.c,
1575         config/floatunsixf.c, config/floatunsitf.c: New files.
1576         * config/ia64/t-hpux: Add floatunsitf.c.
1577         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1578         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1579
1580 2005-11-26  Richard Henderson  <rth@redhat.com>
1581
1582         * c-lex.c (pragma_lex): Rename from c_lex.
1583         * c-pch.c: Update for pragma_lex rename.
1584         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1585         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1586         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1587         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1588         * doc/tm.texi: Likewise.
1589
1590 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1591
1592         PR middle-end/23669
1593         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1594         when overflow is undefined.
1595
1596 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1597
1598         * doc/md.texi (Insn Canonicalizations): Refer to the
1599         function commutative_operand_precedence for further rules.
1600
1601 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1602
1603         PR middle-end/21309
1604         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1605         is less than zero.  Limit mult_cost to a reasonable upper bound for
1606         the synthetic multiplication sequence.
1607
1608 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1609
1610         PR middle-end/25022
1611         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1612         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1613         Lookup the explicit replacement functions for any unlocked
1614         stdio builtin transformations.
1615
1616 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1617
1618         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1619         earlyclobber.
1620         * targhooks.c (default_secondary_reload): Don't require operand 2
1621         for an input reload to be earlyclobber.
1622
1623 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1624
1625         * fold-const.c (negate_mathfn_p): Fix comment and add support
1626         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1627         BUILT_IN_ATANH.
1628
1629 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1630
1631         PR middle-end/24998
1632         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1633         _Q_ulltoq for unsigned conversions from SImode and DImode to
1634         TFmode.
1635
1636 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1637
1638         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1639         (__floatundidf, __floatundisf): Likewise.
1640
1641 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1642
1643         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1644         (rs6000_override_options): Remove initialization of
1645         rs6000_sr_alias_set.
1646         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1647         (rs6000_emit_stack_tie): Same.
1648         (emit_frame_save): Same.
1649         (gen_frame_mem_offset): Same.
1650         (rs6000_emit_prologue): Same.
1651         (rs6000_emit_epilogue): Same.
1652
1653 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1654
1655         PR middle-end/24989
1656         * fold-const.c (fold_build): Convert bool_var != 1 and
1657         bool_var == 0 to !bool_var.
1658
1659 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1660
1661         PR middle-end/24990
1662         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1663         for C being INTEGER_CST.  Likewise for !=.
1664
1665 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1666
1667         PR middle-end/24998
1668         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1669         unsigned conversions from SImode to TFmode.
1670
1671 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1672
1673         * expr.c (expand_expr_real_1): Fix error in last change.
1674
1675 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1676
1677         * caller-save.c: (this_insn_sets): Move into:
1678         (save_call_clobbered_regs).
1679         (mark_set_regs): Get this_insn_sets from data.
1680
1681         (save_call_clobbered_regs): Take sets of the return value by
1682         sibcalls into account.
1683
1684 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1685         PR target/21623:
1686
1687         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1688         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1689         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1690         (memory_move_secondary_cost, init_reg_autoinc): Remove
1691         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1692         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1693         secondary_reload_class call.
1694         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1695         callers.
1696         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1697         (push_secondary_reload): Use secondary_reload target hook.
1698         (secondary_reload_class, scratch_reload_class): New functions.
1699         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1700         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1701         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1702         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1703         (secondary_reload_class, scratch_reload_class): Declare.
1704         * reload1.c: Include target.h.
1705         (reload_adjust_reg_for_temp): New function.
1706         (reload_adjust_reg_for_icode): Likewise.
1707         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1708         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1709         call.
1710         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1711         for inheritance.  Support case when both secondary & tertiary reloads
1712         are for intermediate registers.
1713         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1714         with secondary_reload_class call.  Support case when both secondary
1715         & tertiary reloads are for intermediate registers.
1716         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1717         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1718         * target.h (secondary_reload_info): New struct / typedef.
1719         (struct gcc_target): New member secondary_reload.
1720         * targhooks.c Include reload.h, optabs.h and recog.h.
1721         (default_secondary_reload): New function.
1722         * targhooks.h (default_secondary_reload): Declare.
1723         * doc/tm.texi: Document secondary_reload target hook.  Update
1724         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1725         * doc/md.texi: Likewise.
1726
1727         * sh-protos.h (sh_secondary_reload): Declare.
1728         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1729         (sh_secondary_reload): New function.
1730         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1731         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1732         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1733         (HAVE_SECONDARY_RELOADS): Define.
1734         * sh.md (reload_indf): Rename to:
1735         (reload_indf__frn).
1736         (reload_outdf): Rename to:
1737         (reload_outdf__RnFRm).
1738         (reload_insf): Rename to:
1739         (reload_insf__frn).
1740         (reload_insi): Rename to:
1741         (reload_insi__i_fpul).
1742
1743 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1744
1745         * configure.ac: Require at least texinfo 4.4.
1746         * configure: Regenerate.
1747
1748         * doc/install.texi (Tools/packages necessary for building GCC):
1749         Update required version of texinfo to at least 4.4.
1750         (Installing GCC: Building): Update required version of texinfo
1751         to at least 4.4.
1752         (Installing GCC: Final installation): Update required version
1753         of texi2dvi to at least 4.4.
1754         (Host/target specific installation notes for GCC): Update required
1755         version of texinfo to at least 4.4.
1756
1757 2005-11-24  Richard Guenther  <rguenther@suse.de>
1758         Dirk Mueller <dmueller@suse.de>
1759
1760         PR c++/14024
1761         * c-common.h (strict_aliasing_warning): Declare.
1762         * c-common.c (strict_aliasing_warning): New function,
1763         split out from ...
1764         * c-typeck.c (build_c_cast): ... here.
1765
1766 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1767
1768         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1769         to order operands.
1770         (swap_commutative_operands_with_target): New.
1771
1772 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1773
1774         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1775         also when doing PRE, rather than only for global CPROP.
1776
1777 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1778
1779         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1780         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1781         formatting.
1782         (expand_twoval_unop): Likewise.
1783         (widen_clz): Likewise.
1784         (expand_parity): Likewise.
1785         (expand_unop): Likewise.
1786         (emit_cmp_and_jmp_insn_1): Likewise.
1787         (prepare_float_lib_cmp): Likewise.
1788
1789 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1790
1791         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1792         Remove unused `class' variable.
1793
1794 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1795
1796         PR c++/21667
1797         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1798         C/C++ diagnostic function warn_array_subscript_with_type_char.
1799         * c-common.h (warn_array_subscript_with_type_char): Declare.
1800         * c-common.c (warn_array_subscript_with_type_char): Define.
1801
1802 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1803
1804         PR c/21668
1805         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1806         compiling at the intersection of C and C++.
1807
1808 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1809
1810         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1811         List @file in the option summary.  Include the libiberty
1812         documentation for @file.
1813         * gcc.c (main): Call expandargv.
1814         * Makefile.in (gcc-vers.texi): Define srcdir.
1815
1816 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1817
1818         * passes.c (init_optimization_passes): Document
1819         sequencing of passes.
1820
1821 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1822
1823         * config/m68k/predicates.md (pcrel_address, extend_operator,
1824         post_inc_operand, pre_dec_operand): Remove redundant
1825         conditionals.
1826         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1827         instead of abort.
1828         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1829
1830 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1831
1832         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1833
1834 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1835
1836         Preparatory work for PR target/21623:
1837         * alpha.c (secondary_reload_class): Rename to:
1838         (alpha_secondary_reload_class).
1839         * alpha.h, alpha-protos.h: Likewise.
1840         * mn10300.c (secondary_reload_class): Rename to:
1841         (mn10300_secondary_reload_class).
1842         * mn10300.h, mn10300-protos.h: Likewise.
1843         * pa.c (secondary_reload_class): Rename to:
1844         (pa_secondary_reload_class).
1845         * pa.h, pa-protos.h: Likewise.
1846         * rs6000.c (secondary_reload_class): Rename to:
1847         rs6000_secondary_reload_class.
1848         * rs6000.h, rs6000-protos.h: Likewise.
1849
1850 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1851
1852         PR middle-end/22561
1853         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1854
1855 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1856
1857         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1858         a mode_class.
1859         (prepare_cmp_insn): Likewise.
1860
1861 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1862
1863         PR target/23435
1864         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1865         if both operands[0] and operands[1] are memory.
1866
1867 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1868
1869         PR middle-end/23606
1870         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1871         COMPARISON_CLASS_P and an integral types create create a new
1872         expression with the new type and fold that.
1873
1874 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1875
1876         PR target/24988
1877         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1878         to SUBTARGET_OS_CPP_BUILTINS.
1879
1880 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1881
1882         * arm.c (emit_set_insn): New function.
1883         (arm_split_constant): Call it.
1884         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1885         (arm_legitimize_address): Likewise.  Use plus_constant.
1886         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1887         (thumb_expand_prologue): Likewise.
1888         (arm_gen_load_multiple): Use VOIDmode in SET.
1889         (arm_gen_store_multiple): Likewise.
1890         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1891         (emit_multi_reg_push): Likewise.
1892         (emit_sfm): Use plus_constant.
1893
1894 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1895
1896         PR target/24954
1897         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1898         typo last change.
1899
1900 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1901
1902         PR middle-end/24950
1903         * expmed.c (store_bit_field): Don't attempt to insv a field
1904         larger than the reg.
1905
1906 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1907
1908         PR target/24954
1909         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1910         explicit sign extension, not a (char) cast.
1911
1912 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1913
1914         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1915         GET_MODE_CLASS (x) == MODE_FLOAT.
1916         * config/i386/i386.c: Likewise.
1917         * config/rs6000/xcoff.h: Likewise.
1918         * config/rs6000/linux64.h: Likewise.
1919         * config/rs6000/rs6000.c: Likewise.
1920         * config/rs6000/rs6000.h: Likewise.
1921         * config/rs6000/predicates.md: Likewise.
1922         * config/rs6000/sysv4.h: Likewise.
1923
1924 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1925
1926         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1927         flag_pic is set.
1928
1929         * config/alpha/freebsd.h, config/alpha/linux.h,
1930         config/arm/linux-elf.h, config/bfin/bfin.h,
1931         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1932         config/i386/beos-elf.h, config/i386/gnu.h,
1933         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1934         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1935         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1936         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1937         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1938         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1939         config/sparc/linux.h, config/sparc/linux64.h,
1940         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1941
1942         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1943         are both defined when either flag -fpic or -fPIC are used.
1944
1945 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1946
1947         * config/fp-bit.c (clzusi): New function.
1948         (si_to_float, usi_to_float): Use it to compute proper shift.
1949         (usi_to_float): Preserve guard bits when shifting right.
1950         * libgcc-std.ver (GCC_4.2.0): New version.
1951         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1952         __floatundisf): New functions.
1953         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1954         __floatundisf): Declare.
1955         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1956         _floatundixf, and _floatunditf.
1957         * optabs.c (expand_float): If target does not define a pattern for
1958         signed or unsigned conversion, use an unsigned libcall instead of
1959         a signed one.
1960         (init_optabs): Initialize ufloat_optab.
1961
1962 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1963
1964         * config/rs6000/rs6000.opt (mmulhw): New option.
1965         * doc/invoke.texi (-mmulhw): Document.
1966         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1967         for 405 and 440.
1968         * config/rs6000/rs6000.md: Add half-word multiply and
1969         multiply-accumulate instructions for 405 and 440.
1970
1971 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1972
1973         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1974         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1975         default now includes a linker group which makes the RTEMS one nest.
1976
1977 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1978
1979         * cse.c (fold_rtx): Typo fix.
1980         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1981
1982 2005-11-21  Richard Henderson  <rth@redhat.com>
1983
1984         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1985         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1986
1987         * c-tree.h (lookup_name): Move declaration ...
1988         * c-common.h (lookup_name): ... here.
1989         * config/darwin-c.c: Include c-common.h.
1990         * config/t-darwin: Update dependencies.
1991
1992 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1993
1994         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1995         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1996         * genopinit.c (gen_insn): Likewise.
1997         * reload.c (find_equiv_reg): Likewise.
1998         * loop.c (load_mems): Likewise.
1999         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2000         * cse.c (find_comparison_args, fold_rtx): Likewise.
2001         * dwarf2out.c (add_const_value_attribute): Likewise.
2002         * expr.c (convert_move): Likewise.
2003         * recog.c (general_operand, register_operand): Likewise.
2004         * reg-stack.c (replace_reg): Likewise.
2005         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2006         * c-common.c (handle_vector_size_attribute): Likewise.
2007         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2008         (simplify_binary_operation_1): Likewise.
2009         (simplify_const_binary_operation): Likewise.
2010         (simplify_relational_operation): Likewise.
2011         (simplify_const_relational_operation): Likewise.
2012         (simplify_immed_subreg): Likewise.
2013         * emit-rtl.c (gen_lowpart_common): Likewise.
2014         * expmed.c (expand_mult): Likewise.
2015         * stor-layout.c (layout_type): Likewise.
2016
2017 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2018
2019         PR target/24951
2020         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2021         cst2 only for SPE vectors.
2022
2023 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2024
2025         PR target/24953
2026         * config/rs6000/predicates.md (vrsave_operation): Check
2027         UNSPEC_VOLATILE value.
2028
2029 2005-11-21  Jan Hubicka  <jh@suse.cz>
2030
2031         PR tree-optimization/24653
2032         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2033
2034 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2035
2036         * config/i386/predicates.md (ax_reg_operand): New predicate.
2037         (memory_displacement_only_operand): New predicate.
2038         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2039         operand is AX register and the other operand is memory operand
2040         with displacement only.
2041
2042 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2043
2044         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2045         if we don't care about NaNs or Infinities.
2046
2047 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2048
2049         PR rtl-optimization/24883
2050         * combine.c (combinable_i3pat): When checking whether the
2051         destination of i3 is used in i3, consider paradoxical subregs.
2052
2053 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2054
2055         PR middle-end/20583
2056         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2057
2058 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2059
2060         * combine.c (try_combine): Do not run subst on i1src and i2src in
2061         the case of generating a PARALLEL for a comparison.
2062
2063 2005-11-20  Richard Henderson  <rth@redhat.com>
2064
2065         PR 24931
2066         * tree-sra.c (struct sra_elt): Add all_no_warning.
2067         (struct sra_walk_fns) <use>: Add use_all argument.
2068         (sra_walk_expr): Pass it.
2069         (sra_walk_modify_expr): Likewise.
2070         (scalarize_ldst): Likewise.
2071         (scan_use): Update for new argument.
2072         (mark_no_warning): New.
2073         (scalarize_use): Use it.
2074
2075 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2076
2077         * expr.c (expand_expr_real): Use usmul_optab for widening
2078         signed * unsigned multiplies.
2079         * genopinit.c (optabs): Add usmul_widen_optab.
2080         * optabs.c (init_optabs): Likewise.
2081         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2082         (usmul_widen_optab): Define.
2083         * config/bfin/bfin.md (usmulhisi3): New pattern.
2084
2085         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2086
2087 2005-11-20  Graham Stott <btinternet.com>
2088
2089         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2090
2091 2005-11-20  Andreas Schwab  <schwab@suse.de>
2092
2093         PR target/24757
2094         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2095         insn.
2096
2097 2005-11-19  Richard Henderson  <rth@redhat.com>
2098
2099         PR tree-opt/24665
2100         * tree-gimple.c (is_gimple_id): Export.
2101         * tree-gimple.h (is_gimple_id): Declare.
2102         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2103         (get_default_value): Use it.
2104         (maybe_fold_stmt_indirect): Likewise.
2105
2106 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2107
2108         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2109         than VR1 or vice-versa.
2110
2111 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2112
2113         PR middle-end/24912
2114         PR middle-end/24750
2115         * reload.c (find_reloads_address_1): Mention dependency on
2116         gen_reload.
2117         * reload1.c (gen_reload): For IN with an unary operation, try
2118         moving inner expression to OUT if trivial SET is not valid.
2119         Confirm that the result is valid.  Move common code block into...
2120         (emit_insn_if_valid_for_reload): New function.
2121
2122 2005-11-19  Richard Guenther  <rguenther@suse.de>
2123
2124         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2125         ARRAY_REFs of constant strings.
2126
2127 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2128
2129         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2130         fatal format string.
2131
2132 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2133
2134         * combine.c (make_compound_operation): Swap operands of
2135         commutative operation if necessary before returning.
2136
2137 2005-11-19  Richard Guenther  <rguenther@suse.de>
2138
2139         PR middle-end/23294
2140         * fold-const.c (fold_plusminus_mult_expr): New function.
2141         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2142         cases, remove now unnecessary code.
2143
2144 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2145
2146         * gensupport.c (old_preds): Rename to std_preds, add special field.
2147         (struct old_pred_table): Rename to struct std_pred_table, add special
2148         field.
2149         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2150         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2151         (init_predicate_table): Adjust, and set along the way whether a
2152         predicate is special.
2153
2154 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2155
2156         * BASE-VER: Change to 4.2.0.
2157
2158 2005-11-18  James E Wilson  <wilson@specifix.com>
2159
2160         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2161         returning it.
2162
2163 2005-11-18  Mike Stump  <mrs@apple.com>
2164
2165         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2166         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2167         * c-decl.c (lookup_name_two) Remove.
2168         * c-tree.h (lookup_name_two): Remove.
2169         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2170         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2171         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2172         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2173
2174 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2175
2176         PR target/24914
2177         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2178         when not generating code to use that co-processor.
2179
2180 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2181
2182         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2183         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2184         these functions are now in tree-phinodes.c.
2185
2186 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2187
2188         * config/bfin/bfin.md (trap): New pattern.
2189
2190 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2191
2192         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2193         on types.
2194
2195         * expr.c (expand_expr_real): Don't call record_block_change unless
2196         ib_boundaries_block is non-null
2197
2198         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2199
2200         * fold-const.c (build_range_check): Use proper type for subtraction
2201         when merging lower bound.
2202
2203 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2204
2205         PR rtl-optimization/24497
2206         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2207         the copied insn.
2208
2209 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2210
2211         * tree-scalar-evolution.c (expression_expensive_p): New function.
2212         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2213
2214 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2215
2216         * config/bfin/crtlibid.s: New file.
2217
2218 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2219
2220         PR target/24348
2221         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2222         when not using sjlj exceptions.
2223         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2224         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2225         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2226         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2227         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2228         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2229         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2230         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2231         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2232         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2233         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2234         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2235         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2236         defines.
2237         * config/pa/hpux-unwind.h: New file.
2238
2239 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2240
2241         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2242         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2243         * varasm.c (do_assemble_alias): Adjust call.
2244         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2245         is defined.
2246         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2247
2248 2005-11-17  James E Wilson  <wilson@specifix.com>
2249
2250         * tree.def (FUNCTION_DECL): Correct typo in comment.
2251
2252 2005-11-17  Richard Henderson  <rth@redhat.com>
2253
2254         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2255         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2256         and DW_CFA_def_cfa_sf.
2257         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2258         (dbx_reg_number): Don't assert particular registers here.
2259         (based_loc_descr): ... do it here instead.  Fold in ...
2260         (eliminate_reg_to_offset): ... this function.
2261         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2262         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2263         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2264         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2265         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2266         (instantiate_virtual_regs): Likewise.
2267         * var-tracking.c (adjust_stack_reference): Likewise.
2268         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2269
2270 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2271
2272         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2273         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2274         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2275         crtlibid.o.
2276         ($(T)crtlibid.o): New rule.
2277
2278 2005-11-16  Richard Guenther  <rguenther@suse.de>
2279
2280         PR middle-end/24851
2281         * fold-const.c (extract_array_ref): Return byte offset
2282         in all cases.
2283         (fold_binary): Fold &x[a] CMP &x[b] to
2284         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2285         behavior.
2286
2287 2005-11-16  Richard Henderson  <rth@redhat.com>
2288
2289         PR middle-end/23497
2290         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2291         parts of an SSA_NAME.
2292
2293 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2294
2295         PR target/24861
2296         * arm.md (split for movsf with immediate): Restrict split to insns
2297         that set a general register.
2298
2299 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2300
2301         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2302         uw_update_context.
2303         * unwind-dw2.c (uw_advance_context): Likewise.
2304         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2305         _Unwind_SjLj_Unregister.
2306         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2307
2308 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2309
2310         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2311
2312 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2313
2314         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2315         langhook to get a DImode integer type.
2316
2317 2005-11-16  Richard Henderson  <rth@redhat.com>
2318             J"orn Rennecke <joern.rennecke@st.com>
2319             Ulrich Weigand  <uweigand@de.ibm.com>
2320
2321         PR rtl-opt/24160
2322         PR target/24621
2323         * reload1.c (reg_equiv_invariant): New.
2324         (reload): Allocate, initialize, and free it.
2325         (calculate_needs_all_insns): Check it when skipping equivalence
2326         setting insns.
2327         (alter_reg): Likewise.
2328         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2329         may_use_invariant argument; only use reg_equiv_invariant when true.
2330         (eliminate_regs): New.
2331         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2332         a context for which may_use_invariant may be true.
2333
2334 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2335
2336         * fold-const.c (const_binop): Don't constant fold the operation
2337         if the result has overflowed and flag_trapping_math.
2338         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2339
2340 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2341
2342         * config/arm/unwind-arm.c (abort): Add prototype here.
2343         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2344         (struct phase1_vrs): Add prev_sp.
2345         (unwind_phase2_forced): Save the original core registers instead of
2346         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2347         and set action flags accordingly.  Always set _US_END_OF_STACK when
2348         get_eit_entry fails.  Unwind before calling the stop function.
2349         (_Unwind_GetCFA): New function.
2350         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2351         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2352         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2353         just call unwind_phase2_forced.
2354         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2355         * config/arm/unwind-arm.h (abort): Remove prototype.
2356         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2357         prototypes.
2358         (_Unwind_GetCFA): New prototype.
2359         * config/arm/pr-support.c (abort): Add prototype here.
2360         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2361         forced unwinding.
2362         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2363         not schedule the prologue with non-call exceptions and EABI.
2364
2365 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2366
2367         * config/arm/unwind-arm.h: Reorder interface function declarations.
2368         (_URC_END_OF_STACK): New enumeration value.
2369         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2370         (struct _Unwind_Control_Block): Document reserved field use.
2371         (_Unwind_Stop_Fn): New typedef.
2372         (_Unwind_ForcedUnwind): Declare.
2373         (_Unwind_Resume_or_Rethrow): Declare.
2374         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2375         argument.  Adjust.
2376         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2377         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2378         (UCB_FORCED_STOP_ARG): New.
2379         (search_EIT_table): Update boundary condition checks.
2380         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2381         (unwind_phase2): Replace for with do..while.
2382         (unwind_phase2_forced): New.
2383         (__gnu_Unwind_RaiseException): Replace for with do..while.
2384         (__gnu_Unwind_ForcedUnwind): New.
2385         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2386         Use appropriate phase2 unwinder.
2387         (__gnu_Unwind_Resume_or_Rethrow): New.
2388         (__gnu_unwind_pr_common): Cope with forced unwinding.
2389
2390 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2391
2392         PR target/24772
2393         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2394
2395         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2396         roundsf2): Remove "s" from mnemonic.
2397
2398 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2399
2400         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2401         __PIC__ is defined.
2402         * config/bfin/crtn.s: Change epilogues to match.
2403         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2404         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2405         __PIC__ and __pic__.
2406
2407 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2408
2409         PR 24357
2410         * doc/invoke.texi: Distinguish between free and fixed form instead of
2411         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2412         languages.
2413         * gcc.c (default_compilers): Remove double entries, add entries for
2414         suffixes '.F90' and '.F95'.
2415
2416 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2417
2418         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2419         in the stack probing loop.
2420
2421 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2422
2423         * configure.ac: Use .machine power5 not power5x.
2424         * configure: Regenerate.
2425
2426 2005-11-15  Mike Stump  <mrs@apple.com>
2427
2428         * c-decl.c (lookup_name_two): Add.
2429         * c-tree.h (lookup_name_two): Likewise.
2430         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2431         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2432
2433 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2434
2435         PR rtl-optimization/23392
2436         * regrename.c (enum scan_actions) Add mark_access.
2437         (scan_actions_name): Ditto.
2438         (scan_rtx_reg): Handle mark_access.
2439         (scan_rtx_address): Do nothing for mark_access.
2440         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2441         and regs in REG_INC notes before closing chains for dead regs.
2442         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2443         opening chains for new writes.
2444
2445 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2446
2447         * c.opt (ffixed-line-length-none): New.
2448
2449 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2450
2451         * mklibgcc.in: Change contents of eh_dummy.c.
2452
2453 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2454
2455         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2456
2457 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2458
2459         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2460         of making syscalls.
2461         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2462
2463 2005-11-15  Jan Hubicka  <jh@suse.cz>
2464
2465         * invoke.texi (large-unit-insns): Document.
2466         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2467         * params.def (large-unit-insns): New param.
2468
2469 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2470
2471         PR target/24869
2472         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2473         special register for operand 3.  Reindent constraints to align
2474         them vertically.
2475
2476 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2477
2478         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2479         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2480         * configure.ac: Add test for FP rounding instructions.
2481         * configure: Regenerate.
2482         * config.in: Regenerate.
2483         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2484         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2485         features enabled.
2486         * config/rs6000/rs6000.opt (mfprnd): New.
2487         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2488         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2489         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2490         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2491         (TARGET_FPRND): New.
2492         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2493         UNSPEC_FRIZ): New.
2494         (btrunc<mode>2): New.
2495         (ceil<mode>2): New.
2496         (floor<mode>2): New.
2497         (round<mode>2): New.
2498
2499 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2500
2501         * gcc.c (version_compare_spec_function): Use fatal() rather than
2502         abort().
2503
2504         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2505         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2506         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2507         as empty.
2508         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2509         link in crt2.o.
2510
2511         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2512         on -mmacosx-version-min setting.
2513
2514 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2515
2516         PR 24840
2517         * tree-vrp.c (infer_value_range): Return false if STMT is a
2518         block terminator and its basic block has no successors.
2519
2520 2005-11-14  Mike Stump  <mrs@apple.com>
2521
2522         * config/i386/i386.c (override_options): -masm=intel isn't
2523         supported on darwin.
2524         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2525
2526 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2527
2528         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2529         vfork after including auto-host.h.
2530
2531 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2532
2533         PR rtl-optimization/22002
2534         * combine.c (distribute_notes): Detect cases where a reg dies
2535         two or more times in a bb, including on the insn we are combining,
2536         and place the death note on the correct range.
2537
2538 2005-11-14  Dale Johannesen  <dalej@apple.com>
2539
2540         * expmed.c (store_bit_field):  Add offset unconditionally for
2541         memory targets.
2542         (extract_bit_field):  Don't force extzv or extv operand into
2543         a register if field is too big.
2544
2545 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2546
2547         * config/arm/arm.c (pic_labelno): New.
2548         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2549         LABEL_REF.  Pass only the labelno to PIC insns.
2550         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2551         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2552         * arm.md (UNSPEC_PIC_LABEL): New constant.
2553         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2554         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2555         Use the correct label prefix.
2556
2557 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2558
2559         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2560         REQ_EQUIV note.
2561
2562 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2563
2564         * loop-invariant.c: Include tm_p.h.
2565         * Makefile.in: Updated.
2566
2567 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2568
2569         * pa.c (store_reg): Revise generation of frame notes in large frames.
2570         (set_reg_plus_d): Likewise.
2571
2572 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2573
2574         PR tree-optimization/24709
2575         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2576         loop check.
2577
2578 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2579
2580         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2581         and duplicate declaration of pthread_self.
2582
2583 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2584             Ian Lance Taylor  <ian@airs.com>
2585
2586         PR middle-end/24003
2587         * calls.c (expand_call): If TARGET is a MEM and some part of the
2588         argument area has been saved, force TARGET to a register.
2589
2590 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2591
2592         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2593         checking.
2594
2595 2005-11-13  Jason Merrill  <jason@redhat.com>
2596
2597         PR c++/22489
2598         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2599         lazily declared methods.
2600         (force_decl_die): Stop if forcing out the context already make a
2601         DIE for the decl.
2602         (force_type_die): Likewise.
2603
2604 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2605
2606         PR middle-end/24820
2607         * builtins.c (integer_valued_real_p): Add break in
2608         REAL_CST having TREE_OVERFLOW set.
2609
2610 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2611
2612         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2613         addressing modes during calculation of costs.
2614
2615 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2616
2617         * function.c (assign_stack_local_1): Restrict sanity check
2618         on frame size overflow to 32-bit and above platforms.
2619
2620 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2621
2622         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2623         * config/cris/cris.c: Include reload.h.
2624         (cris_initial_elimination_offset): New function.
2625         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2626         Prototype.
2627
2628 2005-11-12  Richard Guenther  <rguenther@suse.de>
2629
2630         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2631
2632 2005-11-12  Jan Hubicka  <jh@suse.cz>
2633
2634         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2635         to compare against 0 when possible.
2636
2637 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2638
2639         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2640         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2641         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2642         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2643         in the new order.
2644
2645 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2646
2647         * recog.c (constrain_operands) <case 'g'>: For a match, require
2648         that a non-register matches general_operand when strict >= 0.
2649
2650 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2651
2652         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2653         previous checkin.
2654
2655 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2656
2657         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2658         (memory_address_same): New.
2659         (dse_optimize_stmt): Call memory_address_same.
2660
2661 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2662
2663         PR middle-end/24750
2664         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2665         ZERO_EXTEND>: New cases.
2666
2667 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2668
2669         * longlong.h (__clz_tab): Always provide.
2670
2671 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2672
2673         PR 24265
2674         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2675         can be assigned to.
2676         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2677         before check_maybe_invariant.
2678         (move_invariant_reg): Use gen_move_insn instead of replacing
2679         SET_DEST with the temporary for the invariant.
2680         (move_loop_invariants): If checking is enabled, do internal
2681         consistency checks after completing the pass.
2682
2683 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2684
2685         PR 24644
2686         * common.opt (Wvolatile-register-var): New.
2687         * varasm.c (make_decl_rtl): Only emit warning when option
2688         specified.  Clarify warning message.
2689         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2690
2691         * doc/md.texi (copysign): Document standard named pattern.
2692
2693 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2694
2695         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2696         bytes when align is 2.
2697         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2698         by the first instruction of the loop.
2699
2700 2005-11-11  Jason Merrill  <jason@redhat.com>
2701
2702         PR c++/24686
2703         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2704         the cleanup list.
2705
2706 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2707
2708         PR rtl-optimization/22509
2709         * local-alloc.c (memref_used_between_p): Check whether a function call
2710         could not reference the memref.
2711
2712 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2713
2714         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2715         algorithm so as to choose the best, not the worst, alternative.
2716         Reset accumulated register class before processing next alternative.
2717
2718 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2719
2720         PR target/24445
2721         * calls.c (expand_call): Copy a return value to a plain register
2722         if needed.
2723
2724 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2725
2726         PR target/24778
2727         * varasm.c (assemble_name): Recompute name only for transparent
2728         aliases.
2729
2730 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2731
2732         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2733
2734 2005-11-04  Jeff Law  <law@redhat.com>
2735
2736         PR middle-end/23181
2737         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2738         perform reassociation if the parent statement will not die as
2739         a result of the optimization.
2740
2741 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2742
2743         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2744         delete_old_heap_vars.
2745         * tree-dfa.c (referenced_var_remove): Remove function.
2746         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2747         (delete_tree_ssa): Remove call to delete_old_heapvars.
2748         Add call to delete_alias_heapvars.
2749         * tree-flow.h (referenced_var_remove): Remove prototype
2750         (init_alias_heapvars): New prototype.
2751         (delete_alias_heapvars): Ditto.
2752         * Makefile.in (tree-ssa-structalias.o): Add
2753         gt-tree-ssa-structalias.o
2754         (GTFILES): Add tree-ssa-structalias.h and
2755         tree-ssa-structalias.c.
2756         (s-gtype): Add gt-tree-ssa-structalias.h.
2757         * tree-ssa-structalias.c (heapvars): Remove.
2758         (oldheapvars): Remove.
2759         (heapvar_for_stmt): New variable.
2760         (heapvar_lookup): New function.
2761         (heapvar_insert): Ditto.
2762         (get_constraint_for): See if we have an old heapvar
2763         to reuse.
2764         (init_alias_heapvars): New function.
2765         (delete_alias_heapvars): Ditto.
2766         Add include of gt-tree-ssa-structalias.h.
2767
2768 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2769
2770         PR middle-end/22127
2771         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2772
2773 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2774
2775         * tree.c (int_fits_type_p): Only look at the base type
2776         if it has the same precision as the original type.
2777
2778 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2779
2780         PR other/4372
2781         * varasm.c (assemble_alias): Use %q+D in the error
2782         message instead of %J and %qD.
2783
2784 2005-11-10  Richard Guenther  <rguenther@suse.de>
2785
2786         * gcse.c (free_ldst_entry): Only free hashtable if
2787         it exists.
2788
2789 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2790
2791         * function.c (assign_stack_local_1): Issue an error message if
2792         the frame size overflows in the signed target arithmetics.
2793
2794 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2795
2796         * tree.c (build_qualified_type): Chain the new type to the original
2797         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2798         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2799         (build_pointer_type_for_mode): Only return unqualified types.
2800         (build_reference_type_for_mode): Likewise.
2801
2802 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2803
2804         * Makefile.in (gnucompare): Do comparison of all files using one of
2805         the chosen methods and only afterwards decide if just warning should
2806         be issued or comparison failure raised.
2807
2808 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2809
2810         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2811         (noce_try_abs): Negate if the comparison is reversed.
2812         Look only one instruction backwards for a REG_EQUAL note.
2813
2814 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2815
2816         PR other/4372
2817         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2818         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2819         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2820         and prefix all uses with __ghtrw.
2821
2822 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2823
2824         PR other/4372
2825         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2826         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2827         * c-common.c (handle_weakref_attribute): New.
2828         (c_common_attribute_table): Add weakref.
2829         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2830         in the assembler.
2831         * configure, config.in: Rebuilt.
2832         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2833         * doc/extend.texi: Document weakref attribute.
2834         * varasm.c (ultimate_transparent_alias_target): New
2835         (assemble_name): Use it.
2836         (weak_finish_1): Split out of...
2837         (weak_finish): ... and deal with weakrefs in...
2838         (weakref_targets): ... new list.
2839         (globalize_decl): Clean up weakref_targets.
2840         (do_assemble_alias): Handle weakrefs.
2841         (finish_aliases_1): Do not reject weakrefs to external symbols.
2842         (assemble_alias): Handle weakrefs.
2843
2844 2005-11-09  Richard Guenther  <rguenther@suse.de>
2845
2846         PR tree-optimization/24716
2847         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2848         t_bool to track results from follow_ssa_edge.
2849
2850 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2851
2852         * final.c (force_source_line): New global variable.
2853         (final_scan_insn): Set it to true instead of clearing last_filename.
2854         (notice_source_line): Return true if force_source_line is true,
2855         unless source info is absent.
2856
2857 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2858
2859         PR c/24644
2860         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2861         a linkage name for a variable if it a register variable.
2862         * c-decl.c (grokdeclarator): Global register variables
2863         should be set as PUBLIC.
2864
2865 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2866
2867         PR 24624
2868         * config/s390/s390.c (struct s390_frame_layout): New fields
2869         first_save_gpr_slot and last_save_gpr_slot.
2870         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2871         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2872         first_save_gpr and last_save_gpr with the _slot variants.
2873         (s390_register_info): Calculate first_save_gpr_slot and
2874         last_save_gpr_slot using regs_ever_live.
2875
2876 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2877
2878         PR 24623
2879         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2880         for a function containing a landing pad.
2881
2882 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2883
2884         PR 24034
2885         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2886         is live afterwards.
2887
2888 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2889
2890         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2891         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2892
2893 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2894
2895         Add ms2 support
2896         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2897         constants.
2898         (call,load,store): New insn types.
2899         (mem_access, branch_access): Adjust reservation conditions.
2900         (define_delay): Adjust condition.
2901         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2902         type.
2903         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2904         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2905         insn type.
2906         (call_internal, call_value_internal, return_internal,
2907         return_interrupt_internal, eh_return_internal, indirect_jump,
2908         tablejump): Set call insn type.
2909         (blockage, ei, di): Use appropriate unspec const.
2910         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2911         (ms1_get_attr_type): Adjust to give load & store types.
2912         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2913         backwards past a barrier.
2914         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2915         branch scheduling.
2916         (struct branch_info, struct label_info): New.
2917         (ms1_labels): New.
2918         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2919         (ms1_machine_reorg): New.
2920         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2921         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2922         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2923         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2924         (TARGET_MS2): New.
2925
2926 2005-11-09  Per Bothner  <per@bothner.com>
2927             Uros Bizjak  <uros@kss-loka.si>
2928
2929         PR c/24101
2930         * toplev.c (process_options): Initialize debug_hooks early
2931         in case lang_hooks.post_options ends up calling a debug_hook.
2932
2933 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2934
2935         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2936         DBX_REGISTER_NUMBER being contiguous.
2937
2938 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2939             Diego Novillo  <dnovillo@redhat.com>
2940
2941         PR 23046
2942         * tree-vrp.c (register_edge_assert_for): Do not register
2943         always-false predicates.
2944
2945 2005-11-08  Devang Patel <dpatel@apple.com>
2946
2947         PR tree-optimization/23115
2948         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2949         relation.
2950
2951 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2952
2953         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2954         -mcpu=440.
2955
2956 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2957
2958         Fix PR tree-optimization/23382
2959
2960         * tree-ssa-alias.c (compute_may_aliases): Call
2961         delete_old_heap_vars.
2962         * tree-dfa.c (referenced_var_remove): New function.
2963         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2964         * tree-flow.h (referenced_var_remove): Add prototype.
2965         (delete_old_heap_vars): Ditto.
2966         * tree-ssa-structalias.c (heapvars): New variable.
2967         (oldheapvars): Ditto.
2968         (get_constraint_for): Put heap vars on heapvars list.
2969         (delete_old_heap_vars): New function.
2970
2971 2005-11-08  Jason Merrill  <jason@redhat.com>
2972
2973         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2974
2975 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2976
2977         PR target/19340
2978         * reg-stack.c (reg_to_stack): Update register liveness also
2979         for flag_sched2_use_traces.
2980
2981 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2982
2983         PR target/23704
2984         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2985         override prior explicit -mno-powerpc-gfxopt.
2986
2987 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2988
2989         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2990         if the bitsize is zero.
2991         * doc/md.texi (Standard Pattern Names): Document it.
2992
2993         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2994         (TARGET_PASS_BY_REFERENCE): Likewise.
2995
2996 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2997
2998         PR rtl-optimization/24683
2999         * config/i386/i386.c (legitimize_pic_address): If constant operand
3000         to PLUS is too large, put it in a register.
3001
3002 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3003
3004         * configure.ac: Enable checking assembler dwarf2 support for bfin
3005         target.
3006         * configure: Regenerate.
3007
3008 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3009
3010         PR target/24230
3011
3012         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3013         gen_easy_vector_constant_add_self): Delete.
3014         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3015         New.
3016         (output_vec_const_move): Use gen_easy_altivec_constant.
3017         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3018         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3019         (easy_vector_constant_add_self): Rewritten.
3020         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3021         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3022         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3023         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3024         Macroize and adjust for the other changes.
3025
3026 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3027
3028         PR c/24599
3029
3030         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3031         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3032
3033 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3034
3035         PR rtl-optimization/23567
3036         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3037         (noce_process_if_block): Don't do any optimizations except
3038         if (cond) x = x; if !set_b and write into orig_x may trap
3039         or fault.  Remove the MEM_READONLY_P check.
3040
3041 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3042
3043         PR 24670
3044         * tree-vrp.c (fix_equivalence_set): New.
3045         (extract_range_from_assert): Call it.
3046
3047 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3048
3049         PR target/22432
3050         * combine.c (apply_distributive_law): Don't distribute across a
3051         vector mode subreg.
3052
3053 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3054
3055         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3056         config/ms1/ms1.h, config/rs6000/predicates.md,
3057         config/s390/s390.c, params.def, postreload-gcse.c,
3058         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3059         tree-vrp.c, tree.c: Fix comment typos.
3060         * doc/invoke.texi: Fix typos.
3061
3062 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3063
3064         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3065         for testing whether the data_dependence_relation contains distance
3066         vectors.  Iterate over all distance vectors of the ddr.
3067         * lambda.h: Define a vec of lambda_vector pointers.
3068         * tree-data-ref.c (dump_data_dependence_relation,
3069         dump_data_dependence_direction): Iterate over all distance and
3070         direction vectors of the ddr.
3071         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3072         DDR_DIST_VECTS.
3073         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3074         of distance/direction vectors instead of a single one.
3075         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3076         lambda_vectors with a vec of lambda_vectors.
3077         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3078         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3079         DDR_NUM_DIST_VECTS): New.
3080         * tree-loop-linear.c (gather_interchange_stats): Test for the
3081         existence of distance vectors only after having checked that there
3082         is a dependence.  Iterate over all distance vectors of the ddr.
3083         (linear_transform_loops): Use dump_data_dependence_relation.
3084         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3085         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3086         distance vectors of the ddr.
3087
3088 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3089
3090         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3091         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3092         IS_INTHANDLER; all callers changed.
3093         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3094         account.
3095         (do_link, do_unlink): New argument ALL; all callers changed.
3096         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3097         If function isn't leaf, save and restore all registers.
3098         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3099         exception handler.
3100
3101 2005-11-05  Jan Hubicka  <jh@suse.cz>
3102
3103         PR rtl-optimization/23490
3104         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3105         max-flow-memory-location): Document.
3106         * flow.c: Include params.h
3107         (MAX_MEM_SET_LIST_LEN): Kill.
3108         (add_to_mem_set_list): Use new param.
3109         * cse.c (cse_basic_block): Replace 1000 by new param.
3110         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3111         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3112         * predict.c (predict_loops): Use new param.
3113         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3114
3115         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3116         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3117         Do not hold memory returned by cgraph_node_name across other call.
3118
3119 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3120
3121         PR target/23424
3122         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3123         Disable.
3124
3125 2005-11-04  Jeff Law  <law@redhat.com>
3126
3127         PR/21883
3128         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3129         * tree-ssa-dom.c: Include params.h.
3130         (thread_across_edge): If there are too many statements in the
3131         target block, then do not thread through it.
3132         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3133         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3134
3135 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3136
3137         PR 24627
3138         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3139         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3140
3141 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3142
3143         PR/18595
3144         * tree-scalar-evolution.c (instantiate_parameters_1,
3145         instantiate_parameters, resolve_mixers): Compute the size of an
3146         expression to be instantiated and give up the instantiation if the
3147         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3148
3149 2005-11-04  Richard Guenther  <rguenther@suse.de>
3150
3151         * tree-flow.h (ref_contains_indirect_ref): Rename to
3152         array_ref_contains_indirect_ref.
3153         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3154         (array_ref_contains_indirect_ref): Make comment match the code
3155         and vice-versa.
3156         (ref_contains_array_ref): Likewise.
3157         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3158         ref_contains_indirect_ref.
3159         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3160         Rename calls to ref_contains_indirect_ref.
3161
3162 2005-11-04 Paul Brook  <paul@codesourcery.com>
3163
3164         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3165         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3166         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3167         * config/arm/arm.md: Use match_operand in peephole input templates
3168         and match_dup in peephole output templates.
3169
3170 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3171
3172         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3173         __aeabi_uidiv.
3174
3175 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3176             Daniel Jacobowitz  <dan@codesourcery.com>
3177
3178         * longlong.h (add_ssaaaa): Clobber condition code register
3179         in ARM version.
3180         (sub_ddmmss): Likewise.
3181         (umul_ppmm): Likewise.
3182
3183 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3184             Paul Brook  <paul@codesourcery.com>
3185             Phil Blundell  <pb@reciva.com>
3186
3187         * configure.ac: Add test for ARM TLS support.
3188         * configure: Regenerated.
3189         * config/arm/arm-protos.h (legitimize_tls_address)
3190         (arm_tls_referenced_p, tls_mentioned_p)
3191         (arm_output_addr_const_extra): New prototypes.
3192         (thumb_legitimize_pic_address): Delete.
3193         * config/arm/arm.c: Include "gt-arm.h".
3194         (enum tls_reloc): New.
3195         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3196         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3197         (arm_call_tls_get_addr, legitimize_tls_address)
3198         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3199         (arm_init_tls_builtins, arm_emit_tls_decoration)
3200         (arm_output_addr_const_extra): New functions.
3201         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3202         (TARGET_HAVE_TLS): Define.
3203         (target_thread_pointer): New.
3204         (arm_override_options): Handle -mtp=.
3205         (legitimize_pic_address): Ignore UNSPECs.
3206         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3207         relative symbols.
3208         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3209         (tls_get_addr_libfunc): New variable.
3210         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3211         (arm_init_builtins): Call arm_init_tls_builtins.
3212         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3213         (arm_encode_section_info): Call default_encode_section_info.
3214         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3215         (enum arm_tp_type): New.
3216         (target_thread_pointer): Add declaration.
3217         (LEGITIMATE_CONSTANT_P): Handle TLS.
3218         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3219         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3220         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3221         * config/arm/arm.md: Add UNSPEC_TLS.
3222         (movsi): Handle TLS.
3223         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3224         non-PIC.
3225         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3226         (load_tp_hard, load_tp_soft): New insns.
3227         * arm.opt: Add -mtp=.
3228         * doc/invoke.texi (ARM Options): Document -mtp.
3229
3230 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3231
3232         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3233         * config/arm/libunwind.S: Include "lib1funcs.asm".
3234         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3235         (LIB2ADDEH): Add libunwind.S.
3236         (LIB2ADDEHDEP): Add lib1funcs.asm.
3237         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3238
3239 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3240
3241         PR fortran/18452
3242         * gcc/c.opt: Add a -lang-fortran option.
3243         * gcc/c-opts.c: Add a lang_fortran flag.
3244         (c_common_init_options): Handling the -lang-fortran option.
3245         (c_common_handle_option): Add a case for Fortran options in
3246         preprocessing. Remove cases for -ffixed-form and
3247         -ffixed-line-length. Add a case for -lang-fortran.
3248
3249 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3250
3251         * config/rs6000/rs6000.c: Include params.h
3252         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3253         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3254         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3255         (UNSPEC_VPKUWSS): Delete.
3256         (altivec_vpkuhss): Delete.
3257         (altivec_vpkuwss): Delete.
3258         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3259         final condition.
3260         (neg_eq0<mode>): Remove final condition.
3261         (neg_eq<mode>): Remove condition and split-condition.
3262
3263 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3264
3265         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3266         Use associated print macros.
3267
3268 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3269
3270         PR c++/17964
3271         * diagnostic.c (diagnostic_set_info_translated): New function.
3272         (diagnostic_set_info): Use it.  Add comment.
3273         * diagnostic.h (diagnostic_set_info_translated): Declare.
3274
3275 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3276
3277         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3278         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3279         reference only if 'public' is true.
3280         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3281         emit the .hidden directive only if the indirect reference is public.
3282         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3283         Pass it to dw2_force_const_mem.
3284         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3285         * dwarf2out.c (output_cfi): Adjust calls to above function.
3286         (output_call_frame_info): Likewise.
3287         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3288         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3289
3290 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3291
3292         PR tree-optimization/24483
3293         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3294         field to elts if possible.
3295
3296 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3297
3298         PR middle-end/23155
3299         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3300         CONSTRUCTOR.
3301
3302 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3303
3304         Fix PR tree-optimization/24351
3305
3306         * tree-ssa-structalias.c (struct variable_info): Add
3307         collapsed_into.
3308         (get_varinfo_fc): New function to follow collapsing.
3309         (new_var_info): Set collapsed_to to NULL.
3310         (dump_constraint): Follow collapsing.
3311         (build_constraint_graph): Handle collapsing.
3312         (do_simple_structure_copy): Return false if something bad
3313         happened.
3314         (collapse_rest_of_var): New function.
3315         (do_structure_copy): Collapse if do_simple_structure_copy returns
3316         false.
3317
3318 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3319
3320         PR middle-end/24589
3321         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3322         expressions to a statement list instead of gimplifying them.
3323
3324 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3325
3326         PR rtl-optimization/23585
3327         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3328         that can't trap plus a constant integer, if the mode has zero size.
3329
3330 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3331
3332         PR target/24620
3333         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3334         as operand 2.
3335         ("*insv<mode>_reg_extimm"): Likewise.
3336
3337 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3338
3339         PR c/24329
3340         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3341         c_common_type_for_mode returns an unnamed type.
3342
3343 2005-11-02  Richard Henderson  <rth@redhat.com>
3344
3345         PR target/9350
3346         PR target/24374
3347         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3348         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3349         * function.c (assign_parms): Use calls.internal_arg_pointer.
3350         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3351         code.
3352         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3353         (TARGET_CALLS): Add it.
3354         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3355         * targhooks.c (default_internal_arg_pointer): New.
3356         * targhooks.h (default_internal_arg_pointer): Declare.
3357         * tree.h (dwarf2out_reg_save_reg): Declare.
3358         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3359         * config/i386/i386.c (dbx_register_map): Add return column.
3360         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3361         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3362         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3363         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3364         (ix86_save_reg): Save force_align_arg_pointer.
3365         (ix86_emit_save_regs): Make regno unsigned.
3366         (ix86_emit_save_regs_using_mov): Likewise.
3367         (ix86_expand_prologue): Handle force_align_arg_pointer.
3368         (ix86_expand_epilogue): Likewise.
3369         * config/i386/i386.h: (dbx_register_map): Update.
3370         (dbx64_register_map, svr4_dbx_register_map): Update.
3371         (struct machine_function): Add force_align_arg_pointer.
3372         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3373         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3374         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3375
3376 2005-11-02  Jan Hubicka  <jh@suse.cz>
3377
3378         PR target/23303
3379         * i386.md: Add peep2 for simplyfing array accesses.
3380
3381 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3382
3383         PR target/24615
3384         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3385         * config/s390/s390.c (s390_decompose_shift_count): New function.
3386         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3387         (print_shift_count_operand): Use s390_decompose_shift_count.
3388         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3389         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3390
3391 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3392
3393         PR target/24600
3394         * loop.c (loop_givs_rescan): Use force_operand to expand
3395         complex GIVs.
3396
3397 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3398
3399         PR 22429
3400         * fold-const.c (build_range_check): Use unsigned when signed
3401         overflow is undefined also.  If etype is subtype, make sure that
3402         the subtraction is in the supertype.
3403
3404 2005-11-02  Richard Henderson  <rth@redhat.com>
3405
3406         PR target/24178
3407         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3408         by MEM_ALIGN.
3409
3410 2005-11-01  Richard Henderson  <rth@redhat.com>
3411
3412         PR 21518
3413         * loop.c (scan_loop): Do not propagate computations to a hard
3414         register destination with SMALL_REGISTER_CLASSES.
3415
3416 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3417
3418         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3419         costs for MULT inside PLUS or MINUS.
3420
3421 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3422
3423         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3424         (TRAMPOLINE_SIZE): Round up to 60.
3425         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3426
3427 2005-10-31  James E. Wilson  <wilson@specifix.com>
3428
3429         PR debug/24444
3430         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3431         ifdef.  Put ifdefs around call in gen_subprogram_die.
3432         (compute_frame_pointer_to_cfa_displacement): Likewise.
3433         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3434         not defined.
3435
3436         PR rtl-optimization/17356
3437         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3438         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3439
3440 2005-10-31  Jan Hubicka  <jh@suse.cz>
3441
3442         PR middle-end/24093
3443         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3444
3445         PR target/20928
3446         * i386.c (legitimize_pic_address): Deal with large immediates.
3447
3448         PR profile/20815
3449         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3450         from symbol names while computing checkup.
3451
3452         PR profile/24487
3453         * predict.c (predict_loops): Do not estimate more than
3454         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3455         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3456
3457 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3458
3459         PR tree-optimization/19097
3460         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3461
3462 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3463
3464         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3465
3466 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3467
3468         PR middle-end/23492
3469         * tree-inline.c (setup_one_parameter): If the init_stmt
3470         is NULL, don't insert the statement.
3471
3472 2005-10-30  Jan Hubicka  <jh@suse.cz>
3473
3474         PR tree-optimization/24172
3475         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3476
3477 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3478
3479         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3480         constants for hosts with long != 32 bits.
3481
3482 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3483
3484         PR middle-end/24093
3485         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3486
3487 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3488
3489         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3490         (TARGET_MS1_16_002): New.
3491         (TARGET_MS1_16_003): New.
3492
3493         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3494         ("*decrement_and_branch_until_zero_no_clobber"): New.
3495         Add corresponding splitter for decrement_and_branch_until_zero
3496         instruction.
3497         Key all decrement_and_branch_until_zero patterns off of
3498         TARGET_MS1_16_003.
3499
3500 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3501
3502         PR middle-end/24362
3503         * tree-complex.c (extract_component): Treat RESULT_DECL
3504         like the rest of the decls.
3505
3506 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3507
3508         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3509         indirect call to _mcount if the function needs a static chain.
3510
3511 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3512             Caroline Tice  <ctice@apple.com>
3513
3514         PR rtl-optimization/24460
3515         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3516         (dwarf2out_switch_text_section): Set it to true instead of
3517         incrementing separate_line_info_table_in_use.
3518         (output_loc_list): Additionally test have_switched_text_sections.
3519         (output_ranges): Likewise.
3520         (dwarf2out_finish): Likewise.
3521         * varasm.c (assemble_start_function): Do not call
3522         insert_section_boundary_note.
3523         (assemble_end_function): If flag_reorder_blocks_and_partition,
3524         switch to the function's section before emitting the .size directive.
3525         * bb-reorder.c (insert_section_boundary_note): Staticify.
3526         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3527         * output.h (insert_section_boundary_note): Delete.
3528
3529 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3530
3531         PR c/23103
3532         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3533         instead of pointer equality when comparing types.
3534
3535 2005-10-24  James E. Wilson  <wilson@specifix.com>
3536
3537         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3538         add_dependence_list_and_free calls.
3539
3540 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3541
3542         * contrib.texi: Add the names of the LLNL folks who donated
3543         Cray pointer support for gfortran.
3544
3545 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3546
3547         PR tree-optimization/24225
3548         * profile.c (branch_prob): Look from end to start through a
3549         basic block when looking for a locus.
3550
3551 2005-10-24  Richard Henderson  <rth@redhat.com>
3552
3553         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3554         parallel.
3555         (hppa_expand_prologue): Likewise.
3556
3557 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3558
3559         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3560         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3561         * pa.h (NO_PROFILE_COUNTERS): Define.
3562         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3563         (funcdef_nos): New vector to hold label numbers of deferred profile
3564         counters.
3565         (output_deferred_profile_counters): New function.
3566         (hppa_profile_hook): Push label number onto funcdef_nos.
3567         (pa_hpux_file_end): Call output_deferred_profile_counters if
3568         NO_DEFERRED_PROFILE_COUNTERS is false.
3569
3570         * pa-protos.h (get_deferred_plabel): New prototype.
3571         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3572         Make global.
3573         (output_call): Adjust calls.
3574
3575 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3576
3577         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3578         peculiarity of GOT/TOC section usage.
3579
3580 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3581
3582         PR objc/24435
3583          * c-common.c (constant_string_class_name): Add documentation.
3584
3585 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3586
3587         PR target/23832
3588         * recog.c (peephole2_optimize): Increment peep2_current_count
3589         only when the slot is empty.
3590
3591 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3592
3593         PR ada/23957
3594         * except.c (output_function_exception_table): Call
3595         assemble_external_libcall if we need a personality function.
3596
3597 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3598
3599         PR rtl-optimization/24460
3600         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3601         set the basic block for barriers.
3602
3603 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3604
3605         * var-tracking.c (vt_initialize): Initialize post.
3606
3607 2005-10-21  Devang Patel  <dpatel@apple.com>
3608
3609         PR/24220
3610         * c-common.c (vector_types_convertible_p): Check vector element type.
3611
3612 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3613
3614         * config/sh/sh.c (prepare_move_operands): Handle the address
3615         constant which is a tls symbolic address plus a constant.
3616
3617 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3618
3619         PR driver/24473
3620         * gcc.c (main): Use the correct counter for erroring out
3621         about mulitple files.
3622
3623 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3624
3625         PR target/24465
3626         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3627         use r2 for 64-bit tls .got access.
3628
3629 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3630
3631         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3632         TRUTH_OR_EXPR.
3633
3634 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3635
3636         PR tree-optimization/24307
3637         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3638
3639 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3640
3641         PR middle-end/24295
3642         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3643         alias targets.
3644         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3645         is ready, stop marking functions, but still mark variables.
3646
3647 2005-10-20  Richard Guenther  <rguenther@suse.de>
3648
3649         PR c++/24439
3650         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3651         void type operands.
3652
3653 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3654
3655         PR rtl-optimization/23585
3656         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3657         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3658         (may_trap_p_1): New predicate extracted from...
3659         (may_trap_p): ... here.  Invoke may_trap_p_1.
3660         (may_trap_or_fault_p): New predicate.
3661         * rtl.h (may_trap_or_fault_p): Declare it.
3662         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3663         instead of may_trap_p.
3664         (steal_delay_list_from_fallthrough): Likewise.
3665         (fill_simple_delay_slots): Likewise.
3666         (fill_slots_from_thread): Likewise.
3667         * function.c (pad_to_arg_alignment): Rework comment about
3668         SPARC_STACK_BOUNDARY_HACK.
3669         * config/sparc/sparc.h: Likewise.
3670
3671 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3672
3673         * config/s390/s390.c (s390_expand_insv): New.
3674         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3675         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3676         ("icm_hi"): Remove mode attribute.
3677         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3678         Adjust all uses.
3679         ("*extracthi", "*extractqi"): Remove.
3680         (extv<mode>", "*extzv<mode>"): New.
3681         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3682         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3683
3684 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3685
3686         * cfgexpand.c (discover_nonconstant_array_refs_r,
3687         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3688         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3689         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3690         discover_nonconstant_array_refs.
3691
3692 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3693
3694         PR c/23228
3695         * c-decl.c (pop_scope): Don't warn about an unused variable
3696         if it is marked with TREE_NO_WARNING.
3697         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3698         somenow mismatch and olddecl is to be replaced.
3699
3700 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3701
3702         PR middle-end/23199
3703         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3704         whether registers live on the edge can be saved/restored.
3705
3706 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3707
3708         * config/sh/sh.c (fixup_mova): Skip notes.
3709
3710 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3711
3712         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3713         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3714         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3715         (s390_initial_elimination_offset): Likewise.
3716         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3717         register on TARGET_ZARCH targets.
3718         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3719         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3720         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3721         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3722
3723 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3724
3725         * config/s390/s390.md: Comment describing output modifiers updated.
3726         * config/s390/s390.c (print_operand): Likewise.
3727
3728 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3729
3730         * config/s390/s390.c (override_options): Added check for -mstack-size
3731         64k limitation.
3732         * doc/invoke.texi: Mention that limit in the documenation.
3733
3734 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3735
3736         PR #19672
3737         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3738
3739 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3740
3741         Fix PR tree-optimization/24231
3742
3743         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3744         (compute_avail): Ditto.
3745
3746 2005-10-18  Richard Henderson  <rth@redhat.com>
3747
3748         PR target/24428
3749         * config/i386/i386.c (legitimate_constant_p): Check
3750         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3751         if LABEL_REF.
3752         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3753         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3754         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3755         directly.
3756         (print_operand_address): Likewise.
3757         * config/i386/predicates.md (x86_64_immediate_operand): Test
3758         SYMBOL_REF_TLS_MODEL properly inside CONST.
3759         (x86_64_zext_immediate_operand): Likewise.
3760         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3761         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3762         * config/i386/i386-protos.h: Remove predicates.md entries.
3763
3764 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3765
3766         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3767         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3768
3769 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3770             Ian Lance Taylor <ian@airs.com>
3771
3772         PR middle-end/23522
3773         * fold-const.c (fold_widened_comparison): Do not allow range based
3774         constant folding when right operand cannot be unwidened.
3775
3776 2005-10-17  Richard Henderson  <rth@redhat.com>
3777
3778         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3779         with a memory clobber.
3780
3781 2005-10-17  James E Wilson  <wilson@specifix.com>
3782
3783         PR rtl-optimization/17356
3784         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3785         checking for EDGE_EH.
3786
3787 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3788
3789         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3790         the slot on an even boundary for any type with 16-byte alignment.
3791
3792 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3793
3794         PR target/23424
3795         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3796         after register allocation.
3797
3798 2005-10-17  DJ Delorie  <dj@redhat.com>
3799
3800         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3801         as frame related.
3802
3803 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3804
3805         PR c++/22551
3806         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3807         overflow flags.
3808
3809 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3810
3811         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3812         to 2 if it's already non-zero.
3813         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3814         is set and warn about it if flag_schedule_insns is 1.
3815
3816 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3817
3818         * config/crx/crx.md: Compare-and-branch instructions need to
3819         invalidate CC.
3820
3821 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3822
3823         PR target/24315
3824         * config/i386/i386.md (*pushdi2_rex64 splitter)
3825         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3826         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3827         flow2 pass only when (optimize > 0 && flag_peephole2).
3828
3829 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3830
3831         PR driver/22544
3832         * gcc.c (have_c): New static variable.
3833         (have_o): Likewise.
3834         (process_command): Remove declation of have_c.
3835         Set have_o to 1 when handling -o.
3836         (main): Add a fatel error if there are multiple
3837         files specified and -o and -c/-S is passed witout
3838         -combine or multiple languages.
3839
3840 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3841
3842         Fix PR tree-optimization/22444
3843         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3844         Assert that we don't hit something with subvars.
3845         (setup_pointers_and_addressables): Don't add things with subvars,
3846         because we'll already process the subvars for aliasing purposes.
3847
3848 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3849
3850         PR target/23424
3851         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3852         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3853         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3854         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3855         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3856         swapped, alternatives for the R constraint.
3857
3858         PR middle-end/24341
3859         * builtins.c (get_builtin_sync_mode): Make unlimited
3860         mode_for_size request.
3861
3862 2005-10-15  Richard Henderson  <rth@redhat.com>
3863
3864         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3865         (gimplify_expr): ... here.
3866         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3867         fb_lvalue in base expression.
3868
3869 2005-10-15  Richard Henderson  <rth@redhat.com>
3870
3871         PR 23714
3872         * builtins.c (expand_builtin_trap): Export.
3873         * expr.h (expand_builtin_trap): Declare.
3874         * expr.c (expand_assignment): Emit a trap for integral offsets
3875         from registers that weren't reduced to bitpos.
3876
3877         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3878         (mark_array_ref_addressable): Remove.
3879         * tree-flow.h (mark_array_ref_addressable): Remove.
3880         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3881
3882 2005-10-15  James E Wilson  <wilson@specifix.com>
3883
3884         PR target/24232
3885         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3886         (add_dependence_list_and_free): Likewise.
3887         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3888         call.
3889
3890 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3891
3892         PR 23141
3893         PR 23142
3894         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3895         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3896         anti-range.
3897         (vrp_visit_phi_node): Only prevent infinite iterations when
3898         the previous result and the new result are both VR_RANGEs.
3899
3900 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3901
3902         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3903         function comment.
3904
3905 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3906
3907         PR c/23439
3908         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3909         to initialize loc.
3910
3911 2005-10-14  Per Bothner  <per@bothner.com>
3912
3913         PR preprocessor/21250
3914         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3915
3916 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3917
3918         PR c++/22551
3919         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3920         overflow flags.  Refactor some conditionals.
3921
3922 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3923
3924         PR tree-opt/21304
3925         * tree-dfa.c (add_referenced_var): Only look at decls which
3926         have TREE_CONSTANT or TREE_READONLY set instead of if
3927         !TREE_PUBLIC or !TREE_CONSTANT.
3928
3929 2005-10-13  James E Wilson  <wilson@specifix.com>
3930
3931         * doc/invoke.texi: For -x, add f95-cpp-input.
3932         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3933
3934 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3935
3936         PR tree-optimization/24262
3937         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3938         in loop all the time.
3939
3940 2005-10-12  Richard Henderson  <rth@redhat.com>
3941
3942         PR c/24255
3943         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3944         * function.c (assign_parm_find_data_types): Don't support it.
3945         * print-tree.c (print_node): Likewise.
3946         * c-common.c (handle_transparent_union_attribute): Likewise.
3947         Use build_duplicate_type.
3948         * tree-inline.c (remap_type_1): Split out of remap_type;
3949         properly remap aggregate fields.
3950         (build_duplicate_type): New.
3951         * doc/extend.texi (Variable Attributes): Remove documentation
3952         for transparent_union.
3953
3954 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3955
3956         PR target/24284
3957         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3958         (gen_stack_pointer_dec): Likewise.
3959
3960 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3961
3962         PR middle-end/21275
3963         PR middle-end/21766
3964         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3965         target hook.
3966         (struct cxx): Add adjust_class_at_definition target hook.
3967         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3968         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3969         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3970         hook_void_tree. Add to TARGET_CXX.
3971         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3972         dllimport_flag.
3973         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3974         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3975         instead of attribute. Check for dllexport override.  Warn if
3976         inconsistent dll linkage. Don't lose old dllimport if decl has
3977         had address referenced.   Tweak lookup of dllimport atribute.
3978         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3979         for target specific rules.  Don't add dllimport attribute if
3980         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3981         dllimport attribute.
3982         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3983         * varasm.c (initializer_constant_valid_p): Replace
3984         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3985
3986         PR target/21801
3987         PR target/23589
3988         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3989         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3990         (i[34567]86-*-mingw32*): Likewise.
3991
3992         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3993         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3994
3995         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3996         C++-specific code. Change return value to bool.
3997         (i386_pe_dllimport_p): Likewise.
3998         (associated_type): Simplify and make language-independent
3999         (i386_pe_encode_section_info): Replace override of ambiguous
4000         dllimport symbol refs with a gcc_assert.
4001         (i386_pe_valid_dllimport_attribute_p): Define.
4002         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4003         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4004         i386_pe_adjust_class_at_definition.
4005         * config/i386/winnt-stubs.c: New file. Define stub versions of
4006         lang-specific functions.
4007         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4008         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4009         i386_pe_adjust_class_at_definition.
4010         (i386_pe_valid_dllimport_attribute_p): Declare.
4011         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4012         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4013         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4014
4015         PR target/19704
4016         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4017         dllimport attribute with test of DECL_DLLIMPORT_P.
4018
4019 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4020
4021         * combine.c (make_extraction): Correct offset computation.
4022
4023 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4024
4025         * config/cris/t-linux (LIMITS_H_TEST): Define.
4026
4027 2005-10-12  Richard Henderson  <rth@redhat.com>
4028
4029         PR rtl-opt/23324
4030         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4031
4032 2005-10-12  Richard Guenther  <rguenther@suse.de>
4033
4034         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4035
4036 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4037
4038         PR c++/19964
4039         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4040         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4041         type.
4042
4043 2005-10-12  Richard Guenther  <rguenther@suse.de>
4044
4045         PR c++/23799
4046         * varasm.c (output_constant): Correct typo from previous
4047         patch by DJ.
4048
4049 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4050
4051         PR rtl-optimization/13931
4052         * combine.c: Revert patch of 2003-05-14, and:
4053         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4054         completely killed in the appropriate insn.
4055         (distribute_notes): Don't skip multiple hard register test for
4056         elim_i1 and elim_i2.
4057
4058 2005-10-11  Richard Henderson  <rth@redhat.com>
4059
4060         PR c/24255
4061         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4062         to initialize a transparent union instead of a nop_expr.
4063
4064 2005-10-11  Richard Henderson  <rth@redhat.com>
4065
4066         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4067         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4068         (tree_ssa_dce_loop): Call scev_reset.
4069
4070         PR tree-opt/24300
4071         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4072         * tree-ssa-dce.c: Include cfgloop.h.
4073         (tree_ssa_dce_loop, pass_dce_loop): New.
4074         * tree-pass.h (pass_dce_loop): Declare it.
4075         * passes.c (init_optimization_passes): Use it.
4076
4077 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4078
4079         PR middle-end/24263
4080         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4081         Only apply the optimization for rounding builtins if the inner
4082         cast is also an extension.
4083
4084 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4085
4086         PR tree-opt/23946
4087         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4088         mark_new_vars_to_rename instead of update_stmt.
4089
4090 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4091
4092         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4093
4094 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4095
4096         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4097         for setting MMX register to 0 rather than mmx.
4098
4099 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4100
4101         PR target/12098
4102         * configure.ac: Move gas check from mips specific case to common case.
4103         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4104         * configure: Regenerate
4105         * doc/install.texi: Update.
4106
4107 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4108
4109         PR target/24284
4110         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4111
4112 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4113
4114         * gcc.c (do_spec_1): Accept numeric characters in file name
4115         suffixes.
4116
4117 2005-10-10  Nick Clifton  <nickc@redhat.com>
4118
4119         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4120         describing the deleted arm_gen_rotated_half_load function.
4121
4122 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4123
4124         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4125         __fpscr_values.
4126
4127 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4128
4129         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4130         gnu_ld assignments.
4131         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4132         (EXTRA_MULTILIB_PARTS): Define.
4133         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4134         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4135         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4136         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4137         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4138         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4139
4140 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4141
4142         PR tree-optimization/24226
4143         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4144         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4145         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4146         Export.
4147
4148 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4149
4150         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4151
4152 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4153
4154         PR target/24136
4155         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4156         Rewrite for no need for the early clobber.
4157
4158 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4159
4160         Merge from csl-arm-branch:
4161         2005-09-07  Paul Brook  <paul@codesourcery.com>
4162         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4163         space to string.
4164
4165         2005-04-30  Paul Brook  <paul@codesourcery.com>
4166         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4167         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4168
4169         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4170         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4171         (arm_override_options): Use TARGET_AAPCS_BASED.
4172         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4173         (PTRDIFF_TYPE): Use int for AAPCS.
4174         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4175         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4176         (DEFAULT_SHORT_ENUMS): Delete.
4177         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4178
4179         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4180         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4181         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4182         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4183
4184         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4185         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4186
4187         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4188         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4189
4190         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4191         * config.gcc (arm*-*-linux-gnueabi): Add it.
4192         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4193         redefining it.
4194         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4195         * config/arm/linux-eabi.h: New file.
4196         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4197         (LINUX_TARET_LINK_SPEC): Likewise.
4198         (LINK_SPEC): Use it.
4199         * config/arm/t-linux-eabi: New file.
4200
4201 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4202
4203         PR other/22202
4204         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4205         spaces.
4206         (PARAM_SMS_DFA_HISTORY): Likewise.
4207
4208 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4209
4210         PR middle-end/23150
4211         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4212         (load_register_parameters): Call it.
4213         (check_sibcall_argument_overlap_1): Likewise.
4214         (store_one_arg): Likewise.
4215
4216 2005-10-07  James E. Wilson  <wilson@specifix.com>
4217
4218         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4219         DImode not VECINT24 for operand 2.
4220
4221         PR target/23644
4222         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4223         -mtune-arch.
4224
4225         PR target/24193
4226         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4227         fr_spill): Use destination_operand for operand 0.
4228
4229 2005-10-07  DJ Delorie  <dj@redhat.com>
4230
4231         * varasm.c (output_constant): Limit error to expanding
4232         conversions.
4233
4234 2005-10-07  Richard Guenther  <rguenther@suse.de>
4235
4236         PR middle-end/24227
4237         * fold-const.c (fold_binary): Fix operand types during folding
4238         of X op (A, Y).  Evaluation order of the side-effects of
4239         X and A are frontend-defined, so ensure we honour that even for
4240         tcc_comparison class operands; eased by removing duplicate code.
4241
4242 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4243
4244         * stor-layout.c (layout_type): Do not allow alignment of array
4245         elements to be greater than their size.
4246
4247 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4248
4249         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4250         host_xmake_file.
4251         (hppa*-*-linux*): Ditto.
4252         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4253         * config/host-hpux.c: New.
4254         * config/x-hpux: New.
4255         * config/pa/x-hpux: Remove.
4256         * config/pa/x-linux: Remove.
4257         * config/pa/pa-host.c: Remove.
4258
4259 2005-10-07  Jeff Law  <law@redhat.com>
4260
4261         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4262         determine whether or not to try and thread outgoing edges.
4263
4264 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4265
4266         * config/rs6000/rs6000.md (eqsi_power): New.
4267         (neg_eq0si): Add TARGET_POWER to final condition.
4268         (neg_eqsi): Same.
4269
4270 2005-10-06  Richard Henderson  <rth@redhat.com>
4271
4272         * config/rs6000/rs6000.c: Revert last change.
4273
4274 2005-10-06  Richard Henderson  <rth@redhat.com>
4275
4276         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4277         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4278
4279 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4280
4281         PR middle-end/22216
4282         PR middle-end/23651
4283         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4284         out return_label and naked_return_label.
4285
4286 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4287
4288         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4289         change.
4290
4291 2005-10-06  Richard Henderson  <rth@redhat.com>
4292
4293         PR tree-opt/22237
4294         * tree-inline.c (declare_return_variable): Handle modify_dest not
4295         being a DECL.
4296
4297 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4298
4299         Fix PR tree-optimization/22488
4300         * tree-ssa-structalias.c (check_for_overlaps): New function.
4301         (create_variable_info_for): Use it.
4302
4303 2005-10-06  Richard Henderson  <rth@redhat.com>
4304
4305         PR debug/24070
4306         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4307         (dwarf2out_start_source_file): Print it.
4308
4309 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4310
4311         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4312
4313 2005-10-06  Richard Henderson  <rth@redhat.com>
4314
4315         PR 23706
4316         * mode-switching.c (optimize_mode_switching): Clear transp bit
4317         for block with incomming abnormal edges.
4318
4319         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4320         (fpscr_set_from_mem): Use them.
4321         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4322         (fpscr postinc splitters): Rewrite as peephole2+split.
4323
4324 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4325
4326         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4327         (eq<mode>_compare): Same.
4328
4329 2005-10-06  Richard Guenther  <rguenther@suse.de>
4330
4331         PR tree-optimization/24238
4332         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4333
4334 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4335
4336         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4337         here.  Use AC_PATH_PROG for environment variables instead of
4338         test -x.
4339         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4340         objdump also.
4341         * configure: Regenerated.
4342
4343 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4344
4345         PR target/23783
4346         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4347         then force it into a register.
4348         (call_value): Likewise.
4349
4350 2005-10-06  Richard Henderson  <rth@redhat.com>
4351
4352         PR 24049
4353         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4354         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4355         under pass_vectorize.
4356
4357 2005-10-05  Devang Patel  <dpatel@apple.com>
4358
4359         PR Debug/23205
4360         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4361         handling constants. Check NAMESPACE_DECL context for constants.
4362
4363 2005-10-05  Eric Christopher  <echristo@apple.com>
4364
4365         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4366
4367 2005-10-05  Richard Henderson  <rth@redhat.com>
4368
4369         PR 23714
4370         * tree-cfg.c (mark_array_ref_addressable_1): New.
4371         (mark_array_ref_addressable): New.
4372         * tree-flow.h (mark_array_ref_addressable): Declare.
4373         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4374
4375 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4376
4377         PR middle-end/20606
4378         PR middle-end/24069
4379         * reload.c (subst_reloads): When adding a REG_LABEL to a
4380         jump instruction, also update JUMP_LABEL.
4381
4382 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4383
4384         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4385         * bb-reorder.c (copy_bb_p): Use it.
4386         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4387
4388 2005-10-05  Richard Henderson  <rth@redhat.com>
4389
4390         PR target/23602
4391         * toplev.c (process_options): Warn about unsupported combinations
4392         of unwind tables and omit-frame-pointer.
4393         * config/i386/i386.c (override_options): Similarly.  Enable
4394         accumulate-outgoing-args if not explicitly disabled.
4395
4396 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4397
4398         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4399         Handle big endian vs. small endian.
4400         (vec_initv2sf): Handle big endian vs. small endian.
4401         (*vec_extractv2sf_1): Ditto.
4402
4403 2005-10-05  Dale Johannesen  <dalej@apple.com>
4404
4405         * convert.c (convert_to_real):  Don't convert
4406         (float)floor(double d) to floorf((float)d).
4407
4408 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4409
4410         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4411
4412 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4413
4414         PR tree-optimization/18587
4415         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4416         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4417         build_vuses): Change to VEC type.
4418         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4419         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4420         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4421         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4422         (get_name_decl): New.  Return DECL_UID of base variable.
4423         (operand_build_cmp): New.  qsort comparison routine.
4424         (operand_build_sort_virtual): New.  Sort virtual build vector.
4425         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4426         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4427         (FINALIZE_BASE): Use get_name_decl.
4428         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4429         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4430         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4431         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4432         direct VEC_* manipulations.
4433         (build_ssa_operands): Call operand_build_sort_virtual.
4434         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4435         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4436         with direct VEC_* manipulations.
4437         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4438         with direct VEC manipulations.
4439
4440 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4441
4442         PR tree-optimization/21419
4443         PR tree-optimization/24146
4444         PR tree-optimization/24151
4445
4446         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4447         (build_asm_expr): Call it if outputs are read-only.
4448         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4449
4450 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4451             Paolo Bonzini  <bonzini@gnu.org>
4452
4453         PR target/23809
4454
4455         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4456         enable the instructions and not just the built-ins.
4457         * doc/invoke.texi (x86 Options): Likewise.
4458
4459 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4460
4461         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4462
4463         * doc/invoke.texi (Option Summary): Correct spelling
4464         of -mmacosx-version-min.
4465
4466 2005-10-04  Devang Patel  <dpatel@apple.com>
4467
4468         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4469         real types.
4470
4471 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4472
4473         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4474         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4475
4476 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4477
4478         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4479         ("TE","tg"): New mode attributes.
4480         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4481         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4482         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4483         dword_mode and one for GPRmode.
4484
4485 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4486
4487         PR preprocessor/13726
4488         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4489         any comments passed in.
4490
4491 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4492
4493         * tree.c (annotate_with_file_line): Fix typo.
4494
4495 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4496
4497         PR ada/19382
4498         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4499         type used to access data in the inlined length == 1 case, use
4500         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4501         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4502
4503 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4504
4505         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4506         TARGET_SSE3 and only for TARGET_80387.
4507         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4508         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4509         Do not depend on TARGET_80387.
4510
4511 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4512
4513         * tree.c (last_annotated_node): Change type to location_t*.
4514         (annotate_with_file_line): Reflect the change of
4515         last_annotated_node type.
4516
4517 2005-10-04  Richard Guenther  <rguenther@suse.de>
4518
4519         PR c/23576
4520         * c-decl.c (grokdeclarator): Don't write to fields
4521         of error_mark_node.
4522
4523 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4524
4525         PR middle-end/23125
4526         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4527         register variables.
4528         * varasm.c (make_decl_rtl): If a register variable does not
4529         have a set user assmbler name, error out.
4530         Decode the asmspec is now name+1 bypassing '*'.
4531
4532 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4533
4534         PR tree-optimization/23049
4535         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4536         of a COND_EXPR is folded before calling fold on the whole rhs of a
4537         conditional assignment.
4538         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4539         document that a COND_EXPR may appear there.
4540
4541 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4542
4543         PR 23445
4544         * tree-vrp.c (extract_range_from_assert): If the new numeric
4545         range created out of the assertion contradicts the existing
4546         numeric range of the ASSERT_EXPR variable, make the new range
4547         varying.
4548
4549 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4550
4551         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4552         from T_REGS to FP register class.
4553
4554 2005-10-03  Richard Henderson  <rth@redhat.com>
4555
4556         PR 24135
4557         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4558         before creating a new one.
4559
4560 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4561
4562         * config/rs6000/t-aix43 (LDFLAGS): New.
4563         * config/rs6000/t-aix52 (LDFLAGS): New.
4564
4565 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4566
4567         * gimplify.c (find_single_pointer_decl_1): New static function.
4568         (find_single_pointer_decl): New static function.
4569         (internal_get_tmp_var): For a formal variable, set restrict base
4570         information if appropriate.
4571         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4572         return it.
4573         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4574         (DECL_GET_RESTRICT_BASE): Define.
4575         (SET_DECL_RESTRICT_BASE): Define.
4576         (decl_restrict_base_lookup): Declare.
4577         (decl_restrict_base_insert): Declare.
4578         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4579         * tree.c (restrict_base_for_decl): New static variable.
4580         (init_ttree): Initialize restrict_base_for_decl.
4581         (copy_node_stat): Copy restrict base information.
4582         (decl_restrict_base_lookup): New function.
4583         (decl_restrict_base_insert): New function.
4584         (print_restrict_base_statistics): New static function.
4585         (dump_tree_statistics): Call print_restrict_base_statistics.
4586
4587 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4588
4589         PR 24142
4590         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4591         case of anti-ranges.
4592
4593 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4594
4595         PR c/18851
4596         * c-typeck.c (tagged_tu_seen): Rename to ...
4597         (tagged_tu_seen_cache): this and add val field.
4598         (comptypes): Move functional to comptypes_internal
4599         and free tagged_tu_seen.
4600         (comptypes_internal): New function and call comptypes_internal
4601         instead of comptypes. Speed up by sibcalling
4602         tagged_types_tu_compatible_p.
4603         (alloc_tagged_tu_seen): New function
4604         (free_all_tagged_tu_seen_up_to): New function.
4605         (tagged_types_tu_compatible_p): Return the val of the seen two
4606         types.
4607         Add that the two types are the same to tagged_tu_seen_base
4608         if they are and call comptypes_internal instead of comptypes.
4609         <case UNION_TYPE>: Speed up common type where the fields are
4610         in the same order.
4611         (function_types_compatible_p): Call comptypes_internal instead of
4612         comptypes.
4613         (type_lists_compatible_p): Likewise.
4614         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4615
4616 2005-10-02  Matthias Klose  <doko@debian.org>
4617
4618         * doc/invoke.texi: Fix typo and speling error.
4619
4620 2005-10-01  Richard Henderson  <rth@redhat.com>
4621
4622         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4623
4624 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4625
4626         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4627         using --start-group and --end-group.
4628
4629 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4630
4631         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4632         FIXME note regarding quirky semantics.
4633
4634 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4635
4636         PR 24141
4637         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4638         non-null range as a last resort.
4639
4640 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4641             Diego Novillo  <dnovillo@redhat.com>
4642
4643         PR 23604
4644         * tree-vrp.c (extract_range_from_assert): For !=
4645         assertions, only build an anti-range if LIMIT is a
4646         single-valued range.
4647
4648 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4649
4650         * arm.md (movqi): On thumb when optimizing, handle loading from
4651         memory by describing this as taking a subreg of a zero-extended load
4652         into an SImode register.
4653         (movhi): Likewise.
4654
4655 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4656
4657         * reload1.c (merge_assigned_reloads): Do not change any
4658         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4659
4660 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4661
4662         * Makefile.in (LIPO_FOR_TARGET): Define.
4663         (STRIP_FOR_TARGET): Define.
4664
4665         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4666         before creating new ones.  Do symlinks before creating the actual
4667         targets.
4668
4669         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4670         to work out which multilibs are actually being built.
4671
4672 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4673
4674         * tree-vect-transform.c, config/ms1/ms1.md,
4675         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4676         Follow spelling conventions.
4677         * doc/invoke.texi, doc/md.texi: Fix typos.
4678
4679 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4680
4681         PR tree-optimization/21430
4682         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4683         use operands, and set stmt pointer if need be.
4684         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4685         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4686         present.
4687
4688 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4689
4690         PR middle-end/24053
4691         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4692
4693 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4694
4695         * optabs.c (expand_binop): Initialize first_pass_p.
4696
4697 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4698
4699         PR middle-end/24109
4700         * c-decl.c (c_write_global_declarations_1): If any
4701         wrapup_global_declaration_2 call returned true, restart the loop.
4702
4703 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4704
4705         Fix PR tree-optimization/24117
4706         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4707         before considering whether to use anyoffset.
4708
4709 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4710
4711         Revert this patch:
4712
4713         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4714
4715         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4716         to order operands.
4717         (swap_commutative_operands_with_target): New.
4718
4719 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4720
4721         PR c/21419
4722         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4723         read-only.
4724
4725 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4726
4727         PR tree-optimization/23911
4728         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4729         and IMAGPART_EXPR too.
4730
4731 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4732
4733         PR 17886
4734         * expmed.c (expand_shift): Move logic to reverse rotation
4735         direction when  rotating by constants ...
4736         * optabs.c (expand_binop): ... here.
4737         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4738         (ix86_rotrdi3): New pattern.
4739         (rotldi3): Handle 32-bit mode.
4740         (ix86_rotldi3): New pattern.
4741
4742 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4743
4744         PR target/24102
4745         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4746         check for numbers that need no bit twiddle.
4747
4748 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4749
4750         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4751         multilib to be built.
4752
4753         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4754         (stage1-start): Delete old libgcc and libunwind before moving
4755         anything into the stage directory.
4756         (stage2-start): Likewise.
4757         (stage3-start): Likewise.
4758         (stage4-start): Likewise.
4759         (stageprofile-start): Likewise.
4760         (stagefeedback-start): Likewise.
4761         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4762         header in tm_file and CPU-specific t-darwin in tmake_file.
4763         (i[34567]86-*-darwin*): Don't change tm_file.
4764         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4765         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4766         shared library stub for target OS version.
4767         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4768         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4769         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4770         (libgcc_s.%.dylib): New.
4771         (LIBGCC): Define.
4772         (install-darwin-libgcc-stubs): New.
4773         (INSTALL_LIBGCC): New append.
4774         * config/i386/darwin-libgcc.10.4.ver: New.
4775         * config/i386/darwin-libgcc.10.5.ver: New.
4776         * config/i386/t-darwin: New.
4777         * config/rs6000/darwin-libgcc.10.4.ver: New.
4778         * config/rs6000/darwin-libgcc.10.5.ver: New.
4779         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4780         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4781
4782 2005-09-28  Paul Brook  <paul@codesourcery.com>
4783
4784         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4785         denormals.
4786
4787 2005-09-28  Richard Guenther  <rguenther@suse.de>
4788
4789         PR tree-optimization/23853
4790         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4791         host_integerp to verify misalignment value.
4792
4793 2005-09-28  Richard Henderson  <rth@redhat.com>
4794
4795         * builtins.c (get_builtin_sync_mode): New.
4796         (expand_builtin_sync_operation): Pass in mode argument.
4797         (expand_builtin_compare_and_swap): Likewise.
4798         (expand_builtin_lock_test_and_set): Likewise.
4799         (expand_builtin_lock_release): Likewise.
4800         (expand_builtin): Update to match.
4801
4802 2005-09-28  Nick Clifton  <nickc@redhat.com>
4803
4804         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4805         formatting.  Add check to PLUS case to ensure that the offset is
4806         within an acceptable range.
4807
4808         * config/v850/v850.md (casesi): Disable the generation of the
4809         switch pattern as it is not being handled properly at the moment.
4810
4811         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4812         for when the high words are identical.
4813
4814 2005-09-27  Richard Henderson  <rth@redhat.com>
4815
4816         * pretty-print.c (pp_base_format): Fix typo for %>.
4817
4818 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4819             Devang Patel  <dpatel@apple.com>
4820
4821         PR tree-optimization/23625
4822         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4823         LABEL_EXPR, assertion check.
4824
4825 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4826
4827         * optabs.c (no_conflict_move_test): Check if a result of a
4828         to-be-moved insn would be clobbered by an originally
4829         preceding insn.
4830
4831 2005-09-27  Jeff Law  <law@redhat.com>
4832
4833         * passes.c (init_optimization_passes): Replace copy propagation
4834         passes immediately after DOM with phi-only copy propagation
4835         pases.  Add phi-only copy propagation pass after first DOM pass.
4836         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4837         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4838         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4839         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4840         to init_copy_prop.  Callers updated.
4841         (do_phi_only_copy_prop): New function.
4842         (pass_phi_only_copy_prop): New pass descriptor.
4843
4844 2005-09-27  Nick Clifton  <nickc@redhat.com>
4845
4846         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4847
4848 2005-09-26  Jason Merrill  <jason@redhat.com>
4849
4850         PR c++/13764
4851         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4852
4853         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4854
4855 2005-09-26  James E Wilson  <wilson@specifix.com>
4856
4857         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4858         copyright.  Add gcc copyright plus libgcc exception.
4859         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4860         copyright.
4861         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4862
4863 2005-09-26  Jeff Law  <law@redhat.com>
4864
4865         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4866         about when to iterate.
4867
4868 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4869
4870         PR target/23847
4871         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4872         for __complex__ double in -mcpu=G5 mode.
4873
4874 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4875
4876         PR tree-optimization/23942
4877         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4878         * tree-scalar-evolution.c: Include params.h.
4879         (t_bool): New enum.
4880         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4881         follow_ssa_edge_in_condition_phi_branch,
4882         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4883         Change return type to t_bool.  Use a parameter to limit the size of
4884         trees that are walked before stopping
4885         (analyze_evolution_in_loop): Initialize the limit to 0.
4886         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4887         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4888
4889 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4890
4891         PR middle-end/23831
4892         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4893         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4894
4895 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4896
4897         * combine.c (make_extraction): Check for valid use of subreg.
4898
4899 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4900
4901         PR target/24055
4902         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4903         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4904         ("fist<mode>2_with_temp"): Use only register operands.
4905
4906 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4907
4908         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4909         CALL_INSN_FUNCTION_USAGE.
4910
4911 2005-09-26  Richard Guenther  <rguenther@suse.de>
4912
4913         PR middle-end/15855
4914         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4915         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4916         (ldst_entry): Use the hashtable instead of list-walking.
4917         (find_rtx_in_ldst): Likewise.
4918         (free_ldst_entry): Free the hashtable.
4919         (compute_ld_motion_mems): Create the hashtable.
4920         (trim_ld_motion_mems): Remove entry from hashtable if
4921         removing it from list.
4922         (compute_store_table): Likewise^2.
4923         (store_motion): Free hashtable in case we did not see
4924         any stores.
4925
4926 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4927
4928         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4929         and arg1 if we are passing them to fold_build2.
4930
4931 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4932
4933         PR 23828
4934         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4935         a nested function.
4936
4937 2005-09-25  Richard Henderson  <rth@redhat.com>
4938
4939         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4940         SYMBOL_REF_TLS_MODEL to be correct.
4941
4942 2005-09-24  Richard Henderson  <rth@redhat.com>
4943
4944         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4945         end of function.  Reindent.
4946
4947 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4948
4949         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4950         NEGATE_EXPR/BIT_NOT_EXPR case.
4951
4952 2005-09-24  Richard Henderson  <rth@redhat.com>
4953
4954         * c-common.c (handle_mode_attribute): When not modifying in place,
4955         create subtypes for enumerations.
4956         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4957         * gimplify.c (create_tmp_from_val): Likewise.
4958
4959 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4960
4961         * config/i386/i386.md (*tls_global_dynamic_64,
4962         *tls_local_dynamic_base_64): Add missing mode to call.
4963         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4964
4965 2005-09-24  Jan Hubicka  <jh@suse.cz>
4966
4967         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4968         (cgraph_clone_node): Likewise.
4969         * cgraph.h (cgraph_clone_edge): Update prototype.
4970         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4971         duplicated prototypes; add updating argument.
4972         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4973         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4974         updating profile.
4975         (cgraph_mark_inline_edge): Likewise.
4976         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4977         (cgraph_flatten_node): Likewise.
4978         (cgraph_decide_recursive_inlining): Likewise.
4979         (cgraph_decide_inlining_of_small_function): Likewise.
4980         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4981
4982 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4983             Pete Steinmetz <steinmtz@us.ibm.com>
4984
4985         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4986         (rldic.): Set type to "compare".
4987         (rldicr.): Same.
4988         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4989         mfjmpr for MFCTR/MFLR.
4990         (movdf_hardfloat64): Same.
4991         (movdf_softfloat64): Same.  Correct order of store and move types.
4992         (movti_string): Set type to store_ux/load_ux.
4993         (load_multiple): Set type to load_ux.
4994         (store_multiple): Set type to store_ux.
4995         (movmemsi): Set type to store_ux.
4996         (output_cbranch direct_return): Set type to jmpreg.
4997         (stmw): Set type to store_ux.
4998         (lmw): Set type to load_ux.
4999         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5000         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5001         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5002         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5003         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5004         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5005         (rios1-fpstore): Increase latency to 3.
5006         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5007         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5008
5009 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5010             Andrew Pinski  <pinskia@physics.uc.edu>
5011
5012         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5013         operand2 constraint to "b".
5014         (sync_<fetchop_name>di_internal): Same.
5015         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5016         to "b".
5017         (sync_old_<fetchop_name>di_internal): Same.
5018         (sync_new_<fetchop_name>si_internal): Same.
5019         (sync_new_<fetchop_name>di_internal): Same.
5020
5021 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5022
5023         PR middle-end/23991
5024         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5025         case, define as macros.
5026
5027         PR rtl-optimization/23837
5028         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5029         clobber / clobber match between dest and p->first.
5030
5031         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5032         (no_conflict_move_test): Update comments.
5033
5034 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5035
5036         * doc/install.texi: Update URL for Jacks.
5037         * doc/sourcebuild.texi: Likewise.
5038
5039 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5040
5041         PR target/24007
5042         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5043         registers when choosing register preferences.
5044         (movdf_hardfloat64): Same.
5045
5046 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5047
5048         * expmed.c (expand_shift): Don't use the target of the rotate as
5049         target for the first expanded shift insn.
5050         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5051
5052 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5053
5054         PR tree-optimization/22438
5055         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5056         preserved iv rhs rewriting specially.
5057
5058 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5059
5060         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5061         estimate_only  is true.
5062         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5063         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5064         tree-ssa-structalias.c
5065         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5066         ref_contains_indirect_ref.
5067         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5068
5069 2005-09-21  DJ Delorie  <dj@redhat.com>
5070
5071         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5072         MASK_PTR_A0D0.
5073         (mn10300_return_in_memory): Support variable size types also.
5074         (mn10300_pass_by_reference): Likewise.
5075         (mn10300_function_value): New.
5076         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5077         (FUNCTION_OUTGOING_VALUE): Likewise.
5078         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5079         * doc/invoke.texi: Document it.
5080
5081 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5082
5083         PR target/22585
5084         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5085         force integer op1 into register for XFmode compares.
5086
5087 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5088
5089         PR middle-end/23971
5090         * expmed.c (alg_code): Add alg_impossible.
5091         (alg_hash_entry): Add cost.
5092         (synth_mult): Record alg_impossible in the hash table if
5093         multiplication by a given integer is impossble within the
5094         limit.  Speed up using alg_impossible.
5095
5096 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5097
5098         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5099         argument.  Allow and set any offset if needs_anyoffset is passed
5100         in.
5101         (get_constraint_for): Add argument here too.
5102         Pass it down.
5103         (do_structure_copy): Pass NULL to get_constraint_for.
5104         (handle_ptr_arith): Ditto.
5105         (find_func_aliases): Ditto.
5106
5107 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5108
5109         PR rtl-optimization/23898
5110         * output.h (get_attr_min_length): Declare.
5111         * final.c (get_attr_length_1): New function, broken out of:
5112         (get_attr_length).
5113         (get_attr_min_length): New function.
5114         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5115         (duplicate_computed_gotos): Likewise.
5116         * genattr.c (insn_min_length): Generate declaration.
5117         * genattrtab.c (min_fn, min_attr_value): New functions.
5118         (make_length_attrs): Generate insn_min_length.
5119
5120 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5121
5122         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5123
5124 2005-09-20  Richard Henderson  <rth@redhat.com>
5125
5126         PR tree-optimization/24059
5127         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5128         EXPAND_STACK_PARM.
5129
5130 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5131
5132         * c.opt (fextended-identifiers): New.
5133         * c-opts.c (c_common_handle_option): Handle
5134         -fextended-identifiers.
5135         * doc/cpp.texi: Update documentation of extended identifiers.
5136         * doc/cppopts.texi (-fextended-identifiers): Document.
5137
5138 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5139
5140         PR tree-optimization/23929
5141         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5142         if expr is NULL.
5143
5144         PR tree-optimization/23818
5145         * tree-stdarg.c (execute_optimize_stdarg): Call
5146         calculate_dominance_info.
5147
5148 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5149
5150         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5151         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5152         (compute_overlap_steps_for_affine_1_2): Use
5153         get_number_of_iters_for_loop.
5154         (analyze_subscript_affine_affine): Check whether difference is
5155         zero first.
5156         Use get_number_of_iters_for_loop.
5157         Check whether overlap occurs outside of bounds.
5158         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5159
5160 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5161
5162         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5163         base register if possible.
5164
5165 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5166
5167         PR tree-optimization/18463
5168         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5169         converting it directly is not possible.
5170         (chrec_convert_aggressive): New function.
5171         * tree-chrec.h (chrec_convert_aggressive): Declare.
5172         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5173         Fold chrec conversions aggressively if asked to.
5174         (instantiate_parameters): Modified because of changes in
5175         instantiate_parameters_1.
5176
5177 2005-09-19  Richard Henderson  <rth@redhat.com>
5178
5179         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5180         (reduc_splus_v2df): New.
5181
5182 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5183
5184         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5185         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5186
5187 2005-09-19  Richard Henderson  <rth@redhat.com>
5188
5189         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5190         vcondu<SSEMODE12>.
5191
5192 2005-09-19  Richard Henderson  <rth@redhat.com>
5193
5194         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5195         (ia64_expand_dot_prod_v8qi): New.
5196         * config/ia64/ia64-protos.h: Update.
5197         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5198         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5199         sdot_prodv8qi, sdot_prodv4hi): New.
5200         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5201
5202 2005-09-19  Richard Henderson  <rth@redhat.com>
5203
5204         PR 23941
5205         * real.c (exact_real_truncate): Return false if the format cannot
5206         represent the number as a normal.
5207
5208         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5209         for a memory source.
5210
5211 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5212
5213         * tree-ssa-operands.c (swap_tree_operands): Export.
5214         * tree.h (swap_tree_operands): Declare.
5215         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5216         Call swap_tree_operands.
5217
5218 2005-09-19  Richard Henderson  <rth@redhat.com>
5219
5220         * tree-flow.h (merge_alias_info): Declare.
5221         * tree-ssa-copy.c (merge_alias_info): Export.
5222         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5223         (vect_create_data_ref_ptr): Use create_iv directly.
5224         (vectorizable_load): Use correct types for integer constants.
5225         (vect_generate_tmps_on_preheader): Likewise.
5226         (vect_gen_niters_for_prolog_loop): Likewise.
5227
5228 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5229
5230         PR rtl-optimization/23943
5231         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5232
5233 2005-09-18  Jan Hubicka  <jh@suse.cz>
5234
5235         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5236
5237 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5238
5239         * varasm.c (output_constant): Do not abort on conversions to union
5240         types between different sizes.
5241
5242 2005-09-18  Richard Guenther  <rguenther@suse.de>
5243
5244         PR middle-end/23944
5245         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5246         fallback.
5247
5248 2005-09-18  Paul Brook  <paul@codesourcery.com>
5249
5250         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5251
5252 2005-09-17  Richard Henderson  <rth@redhat.com>
5253
5254         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5255         * tree-ssa-loop.c (pass_vect_dce): Remove.
5256         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5257         of pass_vectorize.
5258
5259 2005-09-17  Richard Henderson  <rth@redhat.com>
5260
5261         * tree-pass.h (pass_vect_dce): Declare.
5262         * passes.c (init_optimization_passes): Add it.
5263         * tree-flow.h (tree_ssa_dce): Declare.
5264         * tree-ssa-dce.c (tree_ssa_dce): Export.
5265         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5266         (gate_tree_vectorize): ... here.
5267         (pass_vect_dce): New.
5268
5269 2005-09-17  Jan Hubicka  <jh@suse.cz>
5270
5271         * except.c (struct eh_status): Turn region_array into vec.
5272         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5273         convert_from_eh_region_ranges, find_exception_handler_labels,
5274         current_function_has_exception_handlers, assign_filter_values,
5275         build_post_landing_pads, dw2_build_landing_pads,
5276         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5277         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5278         foreach_reachable_handler, can_throw_internal_1,
5279         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5280         region_array.
5281         (duplicate_eh_region_1): Update region_array.
5282         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5283
5284 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5285
5286         PR middle-end/22067
5287         * expmed.c (expand_mult): Substitute simple register for op0 when
5288         computing max_cost.
5289
5290 2005-09-17  Richard Henderson  <rth@redhat.com>
5291
5292         * expr.c (emit_move_via_integer): Add force argument, pass it on
5293         to emit_move_change_mode.  Update callers.
5294         (emit_move_complex): Pass true to new force argument.
5295         * function.c (expand_function_end): Move expand_eh_return call
5296         earlier.  Merge sub-word complex values into a pseudo before
5297         copying to the return hard register.
5298
5299 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5300
5301         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5302         between different sizes.
5303
5304 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5305
5306         PR 23903
5307
5308         * passes.c (init_optimization_passes): Register dump files for
5309         IPA passes first.
5310
5311 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5312
5313         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5314         * config/s390/s390.c (s390_overlap_p): New function.
5315         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5316         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5317         condition.
5318
5319 2005-09-16  Richard Guenther  <rguenther@suse.de>
5320
5321         * ipa-pure-const.c (static_execute): Free auxiliar information.
5322         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5323         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5324
5325 2005-09-15  DJ Delorie  <dj@redhat.com>
5326
5327         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5328
5329 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5330
5331         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5332         to order operands.
5333         (swap_commutative_operands_with_target): New.
5334
5335 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5336
5337         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5338         parameter.
5339         Update callers.
5340         (estimate_iters_using_array): New function.
5341         * tree-data-ref.h (estimate_iters_using_array): Prototype
5342         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5343         Use estimate_iters_using_array instead of analyze_array.
5344
5345 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5346
5347         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5348         as addressable.
5349
5350 2005-09-15  Michael Matz  <matz@suse.de>
5351
5352         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5353
5354 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5355
5356         PR tree-optimization/23835
5357         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5358         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5359
5360 2005-09-14  Richard Henderson  <rth@redhat.com>
5361
5362         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5363         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5364
5365 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5366
5367         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5368         in the ARRAY_TYPE case.
5369
5370 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5371
5372         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5373
5374 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5375
5376         PR middle-end/22480
5377         * tree-vect-transform.c (vectorizable_operation): Return false for
5378         scalar shift operations and for vector shift operations with
5379         non-invariant shift arguments.  Use scalar tree operand op1 as
5380         a shift operand when vector shift insn pattern uses scalar shift
5381         operand.
5382         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5383
5384 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5385
5386         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5387         value if it has side-effects.
5388
5389 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5390
5391         PR target/22068
5392         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5393
5394 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5395
5396         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5397         passed as NAME as if it were label at start of function code.
5398
5399 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5400
5401         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5402         the constraints.
5403
5404 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5405
5406         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5407         as early clobber.  Rewrite so the PIC register is not implicitly used.
5408
5409 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5410
5411         * tree.c (annotate_with_file_line): Compare line numbers before
5412         file names.
5413
5414 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5415
5416         PR target/23816
5417         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5418         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5419
5420 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5421
5422         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5423         than a HOST_WIDEST_INT to gen_doloop_begin.
5424
5425 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5426
5427         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5428
5429 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5430
5431         PR tree-optimize/23817
5432         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5433
5434 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5435
5436         PR target/23774
5437         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5438         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5439         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5440         (restore_stack_nonlocal): Likewise.
5441         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5442
5443 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5444
5445         PR g++/7874
5446         * c.opt (ffriend-injection): New C++ option.
5447         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5448         (C++ Dialect Options): Document -ffriend-injection.
5449
5450 2005-09-12  Josh Conner  <jconner@apple.com>
5451
5452         PR middle-end/23237
5453         * ipa-reference.c (static_execute): Don't mark variables in
5454         named sections TREE_READONLY.
5455
5456 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5457
5458         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5459         stack_tie.
5460
5461 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5462
5463         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5464         V_MUST_DEF instead of just the first_use_p.
5465         Don't mark the virtual variables for renaming on the statement which
5466         is being removed.
5467         (pass_dse): Remove TODO_update_ssa.
5468
5469 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5470
5471         PR middle-end/23290
5472         * stor-layout.c (compute_record_mode): For records with a single
5473         field, actually check the field's mode size against the type size.
5474
5475         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5476         registers for TARGET_SHMEDIA.
5477         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5478         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5479         of GENERAL_REGS and FP_REGS.
5480
5481 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5482
5483         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5484
5485 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5486
5487         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5488         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5489         are omitted.  Exclude stack_tie insn too.
5490
5491 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5492
5493         PR rtl-optimization/23098
5494         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5495         0.0f is easy.
5496         * config/rs6000/rs6000.md (movdf splitter): Use
5497         const_double_operand predicate for TARGET_POWERPC64.
5498         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5499         SYMBOL_REF method to ABI_V4.
5500
5501         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5502         replace_equiv_address.
5503         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5504         rs6000_sr_alias_set and MEM_NOTRAP.
5505         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5506
5507 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5508
5509         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5510         handle CALL_EXPR again.
5511
5512 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5513
5514         * arm/predicates.md (alignable_memory_operand): Delete.
5515
5516 2005-09-10  Richard Henderson  <rth@redhat.com>
5517
5518         PR debug/23806
5519         * dbxout.c (dbxout_expand_expr): New.
5520         (dbxout_symbol): Use it.
5521
5522 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5523
5524         * arm.c (arm_gen_rotated_half_load): Delete.
5525         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5526         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5527         (thumb_set_return_address): Likewise.
5528         (thumb_load_double_from_address): Use adjust_address.
5529         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5530         (extendhsisi2_mem, movhi_bytes): Use change_address.
5531         (movhi): Use widen_memory_access.
5532         (reload_out_df): Use replace_equiv_address.
5533         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5534
5535 2005-09-09  Richard Henderson  <rth@redhat.com>
5536
5537         PR debug/20998
5538         * dbxout.c: Include expr.h.
5539         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5540         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5541         * Makefile.in (dbxout.o): Add EXPR_H.
5542
5543 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5544
5545         PR tree-optimization/23509
5546         * tree-cfg.c (replace_uses_by): Use replace_exp.
5547         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5548         pointers have name_mem_tag or type_mem_tag set.
5549
5550 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5551
5552         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5553         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5554         of wrongly accessing operands.
5555
5556 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5557
5558         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5559         * tree-chrec.c: Include tree-scalar-evolution.h.
5560         (chrec_convert): Instantiate the base and step before calling
5561         scev_probably_wraps_p that would fail on parametric evolutions.
5562         Collect all the fails into a single section failed_to_convert,
5563         print a diagnostic, and return chrec_dont_know instead of calling
5564         fold_convert.
5565         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5566         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5567         phi nodes.
5568         (scev_const_prop): Don't replace the definition of a loop closed ssa
5569         phi node by itself, or by another loop closed ssa phi node.
5570         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5571         that base and step are defined.
5572
5573 2005-09-09  Richard Guenther  <rguenther@suse.de>
5574
5575         PR c++/23624
5576         * fold-const.c (fold_ternary): Check truth_value_p before
5577         calling invert_truthvalue.
5578
5579 2005-09-09  Nick Clifton  <nickc@redhat.com>
5580
5581         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5582         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5583         dimension of these arrays.
5584         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5585         these arrays.
5586         * longlong.h: Only provide a prototype for the __clz_tab[] array
5587         if this header has not been included from libgcc2.h.
5588         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5589         defining own types.
5590         Provide prototypes for exported functions.
5591         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5592         libgcc2.c.
5593
5594 2005-09-08  Josh Conner  <jconner@apple.com>
5595
5596         PR c++/21135
5597         PR c++/23180
5598         * expr.c (expand_expr_addr_expr_1): Don't invoke
5599         expand_simple_binop for EXPAND_INITIALIZER.
5600
5601 2005-09-08  Richard Henderson  <rth@redhat.com>
5602
5603         PR debug/23190
5604         * toplev.c (wrapup_global_declaration_1): Split out ...
5605         (wrapup_global_declaration_2): ... from ...
5606         (wrapup_global_declarations): ... here.  Return bool.
5607         (check_global_declaration_1): Split out ...
5608         (check_global_declarations): from here.
5609         (emit_debug_global_declarations): New.
5610         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5611         check_global_declaration_1, emit_debug_global_declarations): Declare.
5612         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5613         of decls.  Call wrapup_global_declaration_1,
5614         wrapup_global_declaration_2, check_global_declaration_1 directly.
5615         (c_write_global_declarations_2): New.
5616         (ext_block): New.
5617         (c_write_global_declarations): Call c_write_global_declarations_2.
5618         * langhooks.c (write_global_declarations): Call
5619         emit_debug_global_declarations.
5620
5621         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5622         remove decls that have DECL_RTL_SET_P.
5623         * passes.c (rest_of_decl_compilation): Invoke
5624         cgraph_varpool_finalize_decl for all but functions.
5625
5626 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5627
5628         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5629         the result of a conversion if the new min and max cannot be compared.
5630
5631 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5632
5633         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5634         (override_options): Setting s390_sr_alias_set removed.
5635         (save_fpr, save_gprs): Set alias set to vararg or frame.
5636         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5637         s390_sr_alias_set with get_frame_alias_set ().
5638         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5639         get_varargs_alias_set ().
5640
5641 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5642
5643         PR objc/20574
5644         PR objc/19324
5645         * c-parser.c (c_parser_objc_method_definition): If the next
5646         token is not "{", error out and don't start the function.
5647
5648 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5649
5650         * tree-vrp.c (extract_range_from_expr): Move the check for non
5651         nullness after the check for gimple invariant.
5652
5653 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5654
5655         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5656
5657 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5658
5659         PR target/23747
5660         * config/m32r.md (movmemsi_internal): Canonicalize order of
5661         operands in PLUS component of template.
5662
5663 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5664
5665         * reload1.c (fixup_eh_region_note): Remove assertion.
5666         (fixup_abnormal_edges): Reverted removal of call to
5667         find_many_sub_basic_blocks made on 2005-08-31.
5668
5669 2005-09-07  Richard Henderson  <rth@redhat.com>
5670
5671         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5672         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5673         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5674         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5675         rearrange for better packing.
5676         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5677         (lookup_cfa_1): Remove inline marker.
5678         (cfa_equal_p): Split out of ...
5679         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5680         (build_cfa_loc): Handle !cfa->indirect.
5681         (frame_pointer_cfa_offset): New.
5682         (dbx_reg_number): Assert register elimination performed; do
5683         leaf register remapping.
5684         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5685         (eliminate_reg_to_offset): New.
5686         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5687         for verifiably local stack frame addresses; re-base to CFA.
5688         (mem_loc_descriptor): Remove can_use_fbreg argument.
5689         (concat_loc_descriptor, loc_descriptor): Likewise.
5690         (containing_function_has_frame_base): Remove.
5691         (rtl_for_decl_location): Don't do register elimination or
5692         leaf register remapping here.
5693         (secname_for_decl): Split out from ..
5694         (add_location_or_const_value_attribute): ... here.
5695         (convert_cfa_to_loc_list): New.
5696         (compute_frame_pointer_to_cfa_displacement): New.
5697         (gen_subprogram_die): Use them.
5698         * tree.h (frame_base_decl): Remove.
5699         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5700         (prologue_stack_adjust): Remove.
5701         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5702         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5703         (set_frame_base_location): Remove.
5704         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5705         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5706         (vt_add_function_parameters): Don't eliminate_regs.
5707         (vt_initialize): Don't create frame_base_decl.
5708
5709 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5710
5711         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5712         version of GNU binutils for 4.x and later.
5713
5714 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5715
5716         * ggc-page.c (ggc_push_context): Remove.
5717         (ggc_pop_context): Likewise.
5718         * ggc.h (ggc_push_context): Remove.
5719         (ggc_pop_context): Likewise.
5720
5721 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5722
5723         PR target/8973
5724         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5725         returning from an interrupt handler.
5726
5727 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5728
5729         PR target/8972
5730         * config/arc/arc.c (output_shift): Add check for loop count when
5731         optimizing.
5732
5733 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5734
5735         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5736         form manually.
5737         (abs_replacement): Likewise.
5738         (pass_phiopt): Remove TODO_update_ssa.
5739
5740 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5741
5742         PR c/23075
5743         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5744         if "return with no value, in function returning non-void" warning
5745         has been issued.
5746         * tree-cfg.c (execute_warn_function_return): Don't look at
5747         RETURN_EXPRs with TREE_NO_WARNING set.
5748
5749         PR target/22362
5750         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5751         for internal functions doesn't use registers used by global registers
5752         variables.  Use fewer register parameters if there are global register
5753         variables.
5754
5755 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5756             Eric Botcazou  <ebotcazou@adacore.com>
5757
5758         PR middle-end/14997
5759         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5760         when we would be extracting outside its bit span (bitpos+bitsize
5761         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5762         Ada unchecked conversions.
5763
5764 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5765
5766         * tree-ssa-pre.c (try_look_through_load): New function.
5767         (compute_avail): Use it to try to look through loads for some
5768         more useful expressions.
5769
5770 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5771
5772         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5773         condition for detecting cases like (a&a) and (a^a).
5774
5775 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5776
5777         * common.opt: Add option ftree-vect-loop-version.
5778         * params.def: Add --param vect-max-version-checks.
5779         * doc/invoke.texi: Document ftree-vect-loop-version and
5780         --param vect-max-version-checks.
5781         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5782         may_misalign_stmts and defines for accessors.
5783         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5784         LOOP_VINFO_MAY_MISALIGN_STMTS.
5785         (destroy_loop_vec_info): VEC_free for
5786         LOOP_VINFO_MAY_MISALIGN_STMTS.
5787         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5788         Update documentation.
5789         (vect_update_misalignment_for_peel): New.
5790         (vect_enhance_data_refs_alignment): Update to choose loop
5791         peeling or loop versioning if appropriate for the (potentially)
5792         unaligned data references in the loop.
5793         (vect_analyze_data_refs_alignment): Remove call to
5794         vect_enhance_data_refs_alignment so the checks can be done
5795         earlier.
5796         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5797         and move up call to vect_analyze_data_refs_alignment.
5798         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5799         (vect_transform_loop): Add call to loop_version.
5800
5801 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5802
5803         PR rtl-optimization/23098
5804         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5805         * simplify-rtx.c (constant_pool_reference_p): New function.
5806         * rtl.h (constant_pool_reference_p): New prototype.
5807         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5808         constant_pool_reference_p in condition and
5809         avoid_constant_pool_reference in preparation statements.
5810
5811 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5812
5813         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5814         STRICT_LOW_PART SETs.
5815
5816 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5817
5818         PR middle-end/21460
5819         * except.c (sjlj_emit_function_enter): Find the function begin
5820         note even when it's not in first basic block.
5821
5822 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5823
5824         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5825         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5826         * aclocal.m4: Regenerate.
5827
5828 2005-09-05  DJ Delorie  <dj@redhat.com>
5829
5830         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5831         of macro.
5832
5833 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5834
5835         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5836         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5837         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5838         Follow spelling conventions.
5839         * doc/invoke.texi: Follow spelling conventions.
5840
5841 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5842
5843         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5844         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5845         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5846
5847 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5848
5849         PR target/23683
5850         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5851         (output_stack_adjust): Use gen_tmp_stack_mem.
5852         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5853         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5854         (sh_get_pr_initial_val): Likewise.
5855         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5856         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5857         * sh.md (divsi_inv_m0): Use gen_const_mem.
5858         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5859         (movdf_i4+1): Use gen_tmp_stack_mem.
5860         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5861         (fpu_switch+2): Likewise.
5862         (movv4sf_i, movv16sf_i): Use adjust_address.
5863         (symGOT_load): Set MEM_NOTRAP_P bit.
5864
5865 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5866
5867         PR target/23721
5868         * pa.c (emit_move_sequence): Fix typo in last change.
5869
5870 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5871
5872         PR rtl-optimization/23454
5873         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5874         is true.
5875
5876 2005-09-03  Richard Henderson  <rth@redhat.com>
5877             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5878
5879         PR middle-end/23671
5880         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5881         gen_rtx_MEM.
5882
5883 2005-09-02  Nicolas Pitre <nico@cam.org>
5884
5885         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5886         to bit_count to 32 bits.
5887
5888 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5889
5890         PR c++/23167
5891         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5892         generating synthetic loads from volatile lvalues.
5893
5894 005-09-02  Nick Clifton  <nickc@redhat.com>
5895
5896         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5897         __ctzhi2, __clzhi2): New functions.
5898
5899 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5900
5901         PR middle-end/23547
5902         * tree-nested.c (struct var_map_elt): Mark with GTY.
5903         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5904         var_map_elt.
5905         (lookup_field_for_decl): Allocate new element in GC memory.
5906         (lookup_tramp_for_decl): Likewise.
5907         (convert_nl_goto_reference): Likewise
5908         (create_nesting_tree): Allocate info in GC memory. Likewise for
5909         info->var_map.
5910         (free_nesting_tree): Free with ggc_free instead of free.
5911         (root): New static variable.
5912         (lower_nested_functions): Remove root as local variable.  And zero out
5913         root at the end of the function.
5914
5915 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5916
5917         PR rtl-optimization/20365
5918         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5919         to short.  New member ix.
5920         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5921         (simplify_plus_minus): Initialize ix members before calling qsort.
5922
5923 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5924
5925         PR tree-optimization/23626
5926         * tree-cfg.c (replace_uses_by): Clean up eh info.
5927
5928 2005-09-01  DJ Delorie  <dj@redhat.com>
5929
5930         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5931         fprintf.
5932
5933 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5934
5935         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5936         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5937         gen_rtx_MEM.
5938
5939 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5940
5941         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5942         do not issue warning for a variable definition following
5943         a declaration.
5944
5945 2005-09-01  Richard Henderson  <rth@redhat.com>
5946
5947         PR 23668
5948         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5949         conversion to CONST_VECTOR.
5950
5951 2005-09-01  Richard Henderson  <rth@redhat.com>
5952
5953         PR 23676
5954         * reload1.c (reload_as_needed): Check !CALL_P before calling
5955         fixup_eh_region_note.
5956         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5957
5958 2005-09-01  DJ Delorie  <dj@redhat.com>
5959
5960         * varasm.c (output_constant): Let the target resolve
5961         conversions of addresses to non-default pointer sizes.
5962
5963 2005-09-01  Nicolas Pitre <nico@cam.org>
5964
5965         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5966         to alow matching ARM pre-indexed addressing mode.
5967         (arm_override_options): Remove now irrelevant comment.
5968
5969 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5970
5971         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5972         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5973         * config/i386/vxworks.h:  Likewise.
5974         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5975         * config/i386/vxworksae.h:  Likewise.
5976
5977 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5978
5979         PR tree-optimization/23410
5980         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5981         sequence is not wrapping during the first step.
5982
5983 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5984
5985         PR debug/7241
5986         * dwarf2out.c (base_type_die): Compare char_type_node with
5987         TYPE_MAIN_VARIANT (type), not type.
5988
5989 2005-09-01  Richard Guenther  <rguenther@suse.de>
5990
5991         PR tree-optimization/15366
5992         * common.opt: Add -finline-functions-called-once.
5993         Put -fearly-inlining in alphabetically ordered place.
5994         * doc/invoke.texi: Document new option.
5995         * ipa-inline.c (cgraph_decide_inlining): Honour
5996         flag_inline_functions_called_once.
5997
5998 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5999
6000         PR rtl-optimization/23478
6001         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6002         (alloc_qty): Initialize it.
6003         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6004         (combine_regs): Combine also n_throwing_calls_crossed fields.
6005         (find_free_reg): Don't attempt to caller-save pseudos crossing
6006         calls that might throw.
6007         * global.c (struct allocno): Add throwing_calls_crossed field.
6008         (global_alloc): Revert 2005-08-22 change.  Initialize
6009         throwing_calls_crossed.
6010         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6011         might throw.
6012
6013 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6014
6015         PR target/23649
6016         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6017         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6018         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6019         (and64_2_operand): Tweak to use predicate.
6020         (and_operand): Adjust for mask_operand changes.
6021         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6022         (print_operand): Likewise.
6023         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6024         (mask64_1or2_operand): Delete.
6025         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6026         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6027         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6028         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6029         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6030         (rotldi3_internal4): Likewise.
6031         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6032         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6033         (ashldi3_internal7): Likewise.
6034         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6035         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6036         (anddi3 split): Don't match mask64_operand.
6037         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6038         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6039         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6040         't' splitter predicate.
6041         (movdi_internal64 + 2): Revert 2005-06-11 change.
6042
6043 2005-08-31  DJ Delorie  <dj@redhat.com>
6044
6045         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6046         (m32c_asm_integer): Add support for 32 bit pointers.
6047
6048 2005-08-31  Richard Henderson  <rth@redhat.com>
6049
6050         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6051         component-like references for setting MEM_NOTRAP_P.
6052
6053         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6054         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6055
6056 2005-08-31  Richard Henderson  <rth@redhat.com>
6057
6058         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6059         into a pseudo before applying gen_lowpart.
6060
6061 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6062
6063         * doc/install.texi (Specific): Update cctools version required
6064         for full functionality.
6065         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6066         linkers as -macosx_version_min.
6067
6068 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6069
6070         PR target/21255
6071         * sh.c (print_operand, %R and %S): Add handling of floating point
6072         registers, memory, constants and invalid operands.
6073
6074 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6075
6076         * ipa-pure-const.c: Change dump name.
6077
6078 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6079
6080         PR target/23570
6081         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6082         to "reg_or_0_operand".
6083         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6084
6085 2005-08-31  Dale Johannesen  <dalej@apple.com>
6086
6087         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6088         loops that count down.
6089
6090 2005-08-31  Richard Henderson  <rth@redhat.com>
6091
6092         PR rtl-opt/23601
6093         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6094         (fixup_eh_region_note): New.
6095         (reload_as_needed): Call it.
6096         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6097         don't call find_many_sub_basic_blocks; call verify_flow_info.
6098         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6099         (keep_stack_depressed): Likewise.
6100         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6101
6102 2005-08-31  Richard Henderson  <rth@redhat.com>
6103
6104         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6105         fp return matching.
6106
6107 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6108
6109         * expr.c (expand_expr_real_1): Compare size of address
6110         mode to target's address mode size in deciding expansion of
6111         the constant address.
6112
6113 2005-08-31  Richard Guenther  <rguenther@suse.de>
6114
6115         PR middle-end/23477
6116         * expr.c (all_zeros_p): New function.
6117         (expand_expr_real_1): Handle the case of an all-zero
6118         non-addressable constructor separately.
6119
6120 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6121
6122         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6123         arguments, adjust all callers.
6124         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6125
6126 2005-08-30  Richard Henderson  <rth@redhat.com>
6127
6128         PR target/23630
6129         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6130         whenever the mode sizes match.
6131
6132 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6133
6134         * calls.c (load_register_parameters): Fix comment typo.
6135         * expr.c (emit_push_insn): Comment formatting.
6136
6137 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6138
6139         * config/i386/x-cygwin (host-cygwin): Change dependency from
6140         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6141
6142 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6143
6144         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6145         parts of 'vals'.
6146
6147 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6148
6149         PR middle-end/23408
6150         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6151         call to ggc_collect.
6152
6153 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6154
6155         PR bootstrap/21268
6156         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6157         beginning.  Remove $(INCLUDES) from all the rules, if following
6158         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6159
6160 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6161
6162         PR middle-end/23484
6163         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6164         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6165         not constant, but maxlen is, don't set len to maxlen, rather
6166         set maxlen to len if len is a constant.
6167
6168 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6169
6170         PR tree-optimization/23475
6171         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6172         and counts.
6173
6174 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6175
6176         Fix PR middle-end/22455
6177
6178         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6179         Checksum only the parts of the tree that exist for the tree code.
6180
6181 2005-08-28  Dale Johannesen  <dalej@apple.com>
6182
6183         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6184
6185 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6186
6187         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6188
6189 2005-08-28  Richard Henderson  <rth@redhat.com>
6190
6191         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6192         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6193         of char_type_node.
6194
6195 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6196
6197         PR ada/23593
6198         * builtins.c (get_memory_rtx): Don't strip nops
6199         in between COMPONENT_REFs.
6200
6201 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6202
6203         PR middle-end/23463
6204         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6205         types.
6206         (gimplify_modify_expr): Check for zero sized types and gimplify the
6207         rhs and lhs as statements.
6208
6209 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6210
6211         PR libgcj/23508
6212         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6213         state for return address column of signal frames.
6214
6215 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6216
6217         PR target/23539
6218         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6219         bytes >= 2 not bytes == 2.
6220         (expand_block_move): Same.
6221
6222 2005-08-27  Richard Guenther  <rguenther@suse.de>
6223
6224         PR target/23575
6225         * config/i386/sse.md (sse2_movsd): Add missing closing
6226         braces.
6227
6228 2005-08-27  Paul Brook  <paul@codesourcery.com>
6229
6230         * genrecog.c (enum decision_type): Add DT_num_insns.
6231         (struct decision_test): Add u.num_insns.
6232         (add_to_sequence): Add DT_num_insns test.
6233         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6234         (write_cond, debug_decision_2): Ditto.
6235         (change_state): Assume peep2_next_insn never fails.
6236         Remove "afterward" argument.
6237         (write afterward, write_tree): Update to match.
6238         * recog.c (peep2_current_count): New variable.
6239         (peep2_next_insn): Check it.
6240         (peephole2_optimize): Set peep2_current_count.
6241         * recog.h (peep2_current_count): Declare.
6242
6243 2005-08-26  Josh Conner  <jconner@apple.com>
6244
6245         PR middle-end/23584
6246         * ipa-pure-const.c (check_tree): Check for volatile-ness
6247         when considering a dereference.
6248
6249 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6250
6251         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6252
6253 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6254
6255         PR rtl-optimization/23561
6256         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6257         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6258         at most LEN bytes long memory fits into the field.
6259         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6260         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6261         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6262
6263 2005-08-26  Richard Henderson  <rth@redhat.com>
6264
6265         PR rtl-opt/23560
6266         * loop.c (biased_biv_may_wrap_p): New.
6267         (maybe_eliminate_biv_1): Use it to suppress non-equality
6268         comparison transformations.  Delete disabled code.
6269
6270 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6271
6272         * combine.c (make_extraction): Avoid reference outside object.
6273
6274 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6275
6276         * stor-layout.c (finalize_type_size): Restore behaviour for
6277         non-aggregate types to the status quo ante of the patch for
6278         pr 23467.  Document why it matters.
6279
6280 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6281
6282         PR c/23506
6283         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6284         array by one element, initialize the BT_LAST element with NULL.
6285
6286 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6287
6288         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6289         optimizing for size.
6290         (plus_eqsi): Same.
6291         (compare_plus_eqsi): Same.
6292         (plus_eqsi_compare): Same.
6293         (neg_eq0<mode>): Same.
6294         (neg_eq<mode>): Same.
6295
6296         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6297         PROCESSOR_POWER4.
6298
6299 2005-08-26  Nick Clifton  <nickc@redhat.com>
6300
6301         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6302         TARGET_EP is not defined.
6303         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6304         TARGET_EP is enabled.
6305         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6306         * config/v850/v850.md (save_all_interrupt): Only use the EP
6307         register if TARGET_EP is defined.
6308         (restore_all_interrupt): Likewise.
6309         * config/v850/lib1funcs.asm: Update functions so that the EP
6310         register is only used if __EP__ is defined.
6311
6312 2005-08-26  David Ung  <davidu@mips.com>
6313
6314         * config/mips/mips.c (mips_expand_prologue): Handle case when
6315         generating for MIPS16 and the outgoing argument area is more than
6316         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6317         add instruction.
6318
6319 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6320
6321         * config/crx/crx.md: Make doloop_end pattern usage controllable
6322         via mloop-nesting=<max-nesting> command line switch. Make sure
6323         the combiner cannot use doloop_end_<mode> in an illegal way.
6324         * config/crx/crx.c: Use regs up to r6 for argument passing.
6325         Refine crx_address_cost (non cst4 displacements are expensive).
6326         * config/crx/crx.opt: Add switch for mloop-nesting=.
6327
6328 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6329
6330         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6331         (UNSPEC_MVST): New constant.
6332
6333 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6334
6335         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6336         Reject operands containing eliminable registers.
6337         * testsuite/gcc.dg/20050825-1.c: New testcase.
6338
6339 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6340             Jan Hubicka  <jh@suse.cz>
6341
6342         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6343
6344 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6345
6346         PR tree-optimization/23546
6347         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6348         and REAL_CST nodes.
6349
6350 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6351
6352         * params.def (PARAM_MIN_SPEC_PROB): New.
6353         * sched-rgn.c (MIN_PROBABILITY): Delete.
6354         (compute_trg_info): Convert to PARAM_VALUE.
6355         * doc/invoke.texi (param): Document min-spec-prob.
6356
6357 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6358
6359         * config/darwin.h: define __PIC__
6360         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6361         TARGET_OS_CPP_BUILTINS macro.
6362
6363 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6364
6365         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6366         yesterday.
6367
6368 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6369
6370         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6371         to duplicate_block.
6372         * cfghooks.c (duplicate_block): Added position where to place
6373         new block as argument.
6374         * cfghooks.h (duplicate_block): Declaration changed.
6375         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6376         duplicate_block.
6377         * cfglayout.h (copy_bbs): Declaration changed.
6378         * cfgloop.h (loop_version): Declaration changed.
6379         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6380         position to copy_bbs.
6381         (loop_version): Pass position to duplicate_loop_to_header_edge.
6382         Add place_after argument and position new blocks according to
6383         it.
6384         * modulo-sched.c (sms_schedule): Pass place_after argument
6385         to loop_version.
6386         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6387         * tree-cfg.c (split_edge_bb_loc): New function.
6388         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6389         to determine position of new blocks.
6390         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6391         to loop_version.
6392         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6393         argument to duplicate_block.
6394         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6395         Pass position to copy_bbs.
6396
6397 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6398
6399         * fold-const.c (ptr_difference_const): Use
6400         cst_and_fits_in_hwi instead of host_integerp.
6401
6402 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6403
6404         * config/darwin.c (gen_pic_offset): New.
6405         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6406         Use it.
6407
6408 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6409
6410         PR tree-optimization/23486
6411         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6412
6413 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6414
6415         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6416         remove use_collect2.
6417         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6418
6419         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6420         configuration files to override the default value.
6421
6422         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6423         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6424         * config/vx-common.h:  New file, split out from...
6425         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6426         * config/vxworksae.h:  New file, for VxWorks AE.
6427         * config/vxworks.opt:  New file.
6428         * config/vxlib.c:  Update for VxWorks 6.
6429
6430         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6431         other MULTILIB_* variables appropriately.
6432         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6433         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6434         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6435         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6436
6437 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6438
6439         PR target/20799
6440         * config/darwin.c (machopic_select_section): Remove the hack to
6441         mark "::operator new" and "::operator delete" for coalescing
6442         even though they are not weak.
6443
6444 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6445
6446         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6447         * configure: Regenerate.
6448
6449 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6450
6451         PR middle-end/23517
6452         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6453         between vectors.
6454         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6455         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6456         Likewise.
6457
6458 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6459
6460         * config/rs6000/predicates.md (equality_operator): New.
6461         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6462         comparison with a large constant.
6463
6464 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6465
6466         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6467
6468 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6469
6470         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6471         registers is even, and we have a hardware double precision fp,
6472         align the buffer.
6473         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6474         size of current argument when checking if argument was passed in
6475         registers.
6476
6477         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6478
6479         PR middle-end/23467
6480         * stor-layout.c (finalize_type_size): Dont override
6481         existing alignment with a smaller alignment from the mode.
6482
6483 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6484
6485         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6486         * lambda.h (lambda_vector_lexico_pos): ... here.
6487         * tree-data-ref.c (build_classic_dist_vector): Return false when
6488         the distance vector is lexicographically negative.
6489
6490 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6491
6492         PR tree-optimization/23511
6493         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6494         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6495
6496 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6497
6498         PR tree-optimization/22043
6499         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6500         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6501         If ALLOW_FLEXARR, handle types ending with flexible array member.
6502         Pass false as second argument to recursive count_type_elements calls.
6503         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6504         argument to count_type_elements call.
6505         * tree-sra.c (decide_block_copy): Likewise.
6506         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6507         for a constant-sized object, set cleared as well.  Pass true as
6508         second argument to count_type_elements call.
6509
6510 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6511
6512         PR target/21571
6513         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6514         from legitimate_small_data_p, and make global.  Update use.
6515         Remove forward declaration.
6516         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6517         Declare.
6518         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6519
6520 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6521
6522         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6523         of scratch intermediates.
6524         (eq<mode>_compare): Same.
6525         (neg_eq0<mode>): New.
6526         (neg_eq<mode>): Convert to define_insn_and_split.
6527
6528 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6529
6530         PR target/23070
6531         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6532         stdarg functions, set/clear the fp marker even when no variable
6533         args are passed.
6534         * config/rs6000/sysv4.opt (mprototype): Describe.
6535
6536 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6537
6538         PR rtl-optimization/23478
6539         * regs.h (reg_info): Add throw_calls_crossed.
6540         (REG_N_THROWING_CALLS_CROSSED): Define.
6541         * flow.c (allocate_reg_life_data): Initialize
6542         REG_N_THROWING_CALLS_CROSSED.
6543         (propagate_one_insn, attempt_auto_inc): Update
6544         REG_N_THROWING_CALLS_CROSSED.
6545         * global.c (global_alloc): Don't allocate pseudos across
6546         calls that may throw.
6547
6548 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6549
6550         PR c/18715
6551         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6552         value is inbetween the range if we did not find an exact match.
6553
6554 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6555
6556         * doc/invoke.texi (Option Summary): Add ms1 options.
6557         * doc/extend.texi: Document interrupt handler attribute for ms1.
6558         * doc/md.texi: Document ms1 constraints.
6559         * config.gcc: Add ms1-*-elf.
6560         * config/ms1/ms1.h: New.
6561         * config/ms1/ms1.c: New.
6562         * config/ms1/ms1.md: New.
6563         * config/ms1/ms1-protos.h: New.
6564         * config/ms1/ABI.txt: New.
6565         * config/ms1/crti.asm: New.
6566         * config/ms1/crtn.asm: New.
6567         * config/ms1/lib2extra-funcs.c: New.
6568         * config/ms1/t-ms1: New.
6569         * config/ms1/ms1.opt: New.
6570
6571 2005-08-22 Ira Rosen <irar@il.ibm.com>
6572
6573         * config/rs6000/altivec.md (xorv4sf3): New.
6574         (negv4sf2, neg<mode>2): Likewise.
6575
6576 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6577
6578         PR target/23485
6579         * config/ia64/ia64.md (divsi3): Check divide by zero.
6580         (udivsi3): Likewise.
6581         (divdi3): Likewise.
6582         (udivdi3): Likewise.
6583
6584 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6585
6586         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6587         up to elem_bitsize bits, not max_bitsize.
6588
6589 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6590
6591         PR tree-optimization/23433
6592         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6593         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6594
6595 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6596
6597         PR tree-optimization/23434
6598         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6599         the iteration bound is not an INTEGER_CST.
6600
6601 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6602
6603         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6604         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6605         NULL if need_epilog_adjust is false.
6606         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6607         Case 3 always peels first itration, not just for PLUS case, and no need
6608         to use scalar_initial_def here. Create an epilog adjustment only if
6609         scalar_initial_def is not NULL.
6610
6611         (vectorizable_reduction): Remove assert.
6612
6613 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6614
6615         PR target/23485
6616         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6617         (__moddi3): Likewise.
6618         (__udivdi3): Likewise.
6619         (__umoddi3): Likewise.
6620         (__divsi3): Likewise.
6621         (__modsi3): Likewise.
6622         (__udivsi3): Likewise.
6623         (__umodsi3): Likewise.
6624
6625 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6626
6627         * tree-pass.h (TDF_GRAPH): Define.
6628         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6629         * passes.c (finish_optimization_passes): Only call
6630         finish_graph_dump_file if TDF_GRAPH is set.
6631         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6632         NULL.  Set TDF_GRAPH bit.
6633         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6634
6635 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6636
6637         * arm.h (arm_stack_offsets): Add locals_base field.
6638         * arm.c (arm_get_frame_offsets): Compute it.
6639         (thumb_compute_initial_elimination offset): Make the Thumb frame
6640         pointer point to the base of the local variables.
6641         (thumb_expand_prologue): Update accordingly.
6642         (thumb_expand_epilogue): Likewise.
6643
6644         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6645         mode of clobbered scratch to DImode.  Handle a case that's known to
6646         need this.
6647
6648 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6649
6650         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6651         (gt0<mode>_compare): Delete.
6652         (neg_gt0<mode>): Delete.
6653
6654 2005-08-19  Eric Christopher  <echristo@apple.com>
6655
6656         * optabs.h: Change CTI_ to COI_.
6657         * optabs.c: Ditto.
6658
6659 2005-08-19  James E Wilson  <wilson@specifix.com>
6660
6661         * builtins.c (expand_builtin_return_addr): Set
6662         current_function_accesses_prior_frames when count != 0.  Use
6663         frame_pointer_rtx when count == 0.
6664         * function.h (struct function): Add accesses_prior_frames field.
6665         (current_function_accesses_prior_frames): Define.
6666         * reload1.c (init_elim_table): Check
6667         current_function_accesses_prior_frames.
6668         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6669
6670 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6671
6672         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6673         indicator.  Return true if the flowgraph changed during
6674         cleanup.
6675
6676 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6677
6678         PR 23476
6679         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6680         conditional expression before testing its value.
6681
6682 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6683
6684         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6685
6686 2005-08-19  Devang Patel  <dpatel@apple.com>
6687
6688         PR tree-optimization/23048
6689         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6690         third parameter. Check whether latch is dominated by exit
6691         block or not.
6692         (if_convertible_loop_p): Supply exit block itself to
6693         if_convertible_bb_p.
6694
6695 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6696
6697         PR target/23473
6698         * arm.md (arm_load_pic_register): Change argument to the mask of
6699         saved registers.  Call thumb_find_work_register if we need a
6700         scratch register on Thumb.
6701         (arm_expand_prologue): Pass empty register set to
6702         arm_load_pic_register.
6703         (thumb_expand_prologue): Pass live_regs_mask directly to
6704         arm_load_pic_register.
6705         * arm-protos.h (arm_load_pic_register): Update prototype.
6706
6707 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6708
6709         * sh.c (find_sole_member): New function.
6710         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6711         if the record's alignment is larger than the size of its only member.
6712
6713 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6714
6715         PR target/23436
6716         * arm.c (thumb_legitimize_reload_address): New function.
6717         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6718         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6719
6720 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6721
6722         * config/crx/crx.c: Implement crx_decompose_address. Reject
6723         symbolic displacements since CRX register relative adressing
6724         mode can't handle unsigned 32-bit values as displacements.
6725         * config/crx/crx.h: Simplify definitions, remove redundant
6726         parenthesis and obsolete macros.
6727         * config/crx/crx.opt: Add new switch for debugging addresses.
6728         * config/crx/crx-protos.h: Add new declarations for above.
6729
6730 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6731
6732         PR middle-end/20624
6733         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6734         looking past it.
6735
6736 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6737
6738         * collect2.c (dup2): Delete.
6739         * configure.ac: Don't check for dup2.
6740
6741         * config.in, configure: Regenerate.
6742
6743 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6744
6745         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6746         record with the type of its only member.
6747
6748 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6749
6750         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6751         define_insn_and_split.
6752         (plus_ltu<mode>_compare): Same.
6753         (gtu<mode>_compare): Same.
6754         (plus_gtu<mode>_compare): Same.
6755
6756 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6757
6758         PR tree-optimization/22228
6759         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6760         todo_flags_start.
6761         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6762         are recorded in vect_vnames_to_rename for renaming.
6763         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6764         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6765         in vect_vnames_to_rename.
6766         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6767         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6768
6769 2005-08-18  Jan Hubicka  <jh@suse.cz>
6770
6771         PR c++/22034
6772         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6773         info only for local statics, not for member variables.
6774
6775 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6776
6777         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6778
6779 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6780
6781         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6782
6783 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6784
6785         PR middle-end/16045
6786         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6787
6788 2005-08-17  James E Wilson  <wilson@specifix.com>
6789
6790         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6791         array size check.
6792
6793 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6794
6795         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6796         (leu<mode>_compare): Same.
6797         (plus_leu<mode>): Same.
6798         (neg_leu<mode>): Same.
6799         (and_neg_leu<mode): Same.
6800         (ltu<mode>_compare): Same.
6801         (plus_ltu<mode>): Same.
6802         (geu<mode>): Same.
6803         (geu<mode>_compare): Same.
6804         (plus_geu<mode>): Same.
6805         (neg_geu<mode>): Same.
6806         (and_neg_geu<mode>): Same.
6807         (plus_gt<mode>): Same.
6808         (gtu<mode>_compare): Same.
6809         (plus_gtu<mode>): Same.
6810
6811 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6812
6813         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6814         Move call_table_data to end.  Delete spurious .text.
6815         (callt_save_all_interrupt): Fix comment typo.
6816
6817 2005-08-17  James E Wilson  <wilson@specifix.com>
6818             Kevin Winchester  <winchester@amirix.com>
6819
6820         PR target/21684
6821         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6822
6823 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6824
6825         PR target/23268
6826         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6827         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6828
6829 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6830
6831         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6832         record with the type of its only member if the modes don't match.
6833
6834         * varasm.c (decode_reg_name): Skip empty additional register names.
6835
6836 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6837
6838         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6839         lsm_tmp_name_length): New.
6840         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6841         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6842
6843 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6844             Andreas Krebbel  <krebbel1@de.ibm.com>
6845
6846         * config.gcc: Added z9-109 switch.
6847         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6848         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6849         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6850         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6851         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6852         for "z9_109" cpu attribute.
6853         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6854         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6855         (s390_handle_arch_option): Added z9-109 switch.
6856         (override_options): Set respective cost function for z9-109.
6857         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6858         (legitimate_reload_constant_p): Accept extended immediates.
6859         (print_operand): Three new output modifiers added: k, m and o.
6860         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6861         (s390_output_mi_thunk): Use extended immediate when possible.
6862         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6863         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6864         (CONSTRAINT_LEN): Added length of O constraint.
6865         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6866         * config/s390/s390.md ("cpu"): New value z9_109 added.
6867         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6868         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6869         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6870         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6871         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6872         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6873         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6874         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6875         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6876         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6877         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6878         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6879         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6880         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6881         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6882         immediates.
6883         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6884         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6885         insns for TARGET_EXTIMM.
6886
6887 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6888
6889         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6890
6891 2005-08-17  Nick Clifton  <nickc@redhat.com>
6892
6893         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6894         Call default_encode_section_info.
6895
6896 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6897
6898         PR tree-optimization/21574
6899         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6900         constant, return CONSTANT.
6901         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6902         (ccp_fold, visit_assignment): Likewise.
6903         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6904
6905 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6906
6907         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6908         fold_buildN instead of buildN then fold_initializer or fold.
6909         (build_unary_op): Likewise.
6910         (build_binary_op): Likewise.
6911         * fold-const.c (fold_initializer): Remove.
6912         (fold_build1_initializer): New function.
6913         (fold_build2_initializer): New function.
6914         (fold_build3_initializer): New function.
6915         * tree.h (fold_initializer): Remove.
6916         (fold_build1_initializer): New function.
6917         (fold_build2_initializer): New function.
6918         (fold_build3_initializer): New function.
6919
6920 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6921
6922         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6923         (try_move_mult_to_index): Call fold_build2 instead of build2.
6924         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6925         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6926         fold_binary_to_constant.
6927         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6928         fold (build.
6929         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6930         check if A == gcd (A, B).  Remove TYPE argument.
6931         (analyze_offset) Use fold_build2 instead of fold (build.
6932         (create_data_ref): Likewise.
6933         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6934         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6935         then fold.
6936
6937 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6938
6939         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6940         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6941
6942 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6943
6944         PR tree-opt/23402
6945         * gimplify.c (zero_sized_type): New function.
6946         (gimplify_modify_expr_rhs): If we have a zero sized type,
6947         replace the statement with an empty statement.
6948
6949 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6950
6951         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6952         fxsave.
6953
6954 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6955
6956         * doc/tm.texi (Label Output): Correct typo.
6957
6958 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6959
6960         PR target/23376
6961         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6962         force_operand will work later on using have_insn_for.
6963
6964 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6965
6966         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6967
6968 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6969
6970         PR c++/23337
6971         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6972         vector type, don't try to construct it element by element.  Add an
6973         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6974
6975 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6976
6977         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6978
6979 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6980
6981         * doc/invoke.texi (Precompiled Headers): Document some more options
6982         which are known to be safe.
6983
6984 2005-08-16  James E Wilson  <wilson@specifix.com>
6985
6986         PR tree-optimization/21105
6987         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6988         TREE_OVERFLOW check.
6989
6990 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6991
6992         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6993         (neg_ltu<mode>): Same.
6994         (gtu<mode>): Same.
6995         (neg_gtu<mode>): Same.
6996
6997 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6998
6999         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7000         (fold_builtin_isdigit): Use fold_buildN.
7001         (build_function_call_expr): Likewise.
7002         * c-typeck.c (c_finish_loop): Likewise.
7003
7004 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7005             Richard Shann <rshann@superh.com>
7006
7007         PR middle-end/20396:
7008         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7009
7010 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7011
7012         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7013
7014 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7015
7016         PR target/23355
7017         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7018         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7019         must be saved.
7020
7021 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7022
7023         PR middle-end/23369
7024         * fold-const.c (build_range_check): Disable optimization for function
7025         pointer expressions on targets that require function pointer
7026         canonicalization.
7027
7028 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7029
7030         * simplify-rtx.c (simplify_const_relational_operation): When
7031         extracting arguments of a COMPARE, recompute the mode as well.
7032
7033 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7034
7035         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7036
7037 2005-08-15  DJ Delorie  <dj@redhat.com>
7038
7039         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7040         the stack.
7041         (movsi_splittable): Allow, but split, moves to the stack.
7042         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7043         stack.
7044
7045 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7046
7047         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7048         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7049         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7050
7051         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7052         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7053         Delete HOST_PTR_PRINTF.
7054
7055         * configure, config.in: Regenerate.
7056
7057 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7058
7059         * config/rs6000/rs6000.md (QHSI): New mode macro.
7060         (wd): Extend mode attr for QImode and HImode
7061         (dbits): New mode attr.
7062         (zero_extend<mode>di2): Convert to mode macro.
7063
7064 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7065
7066         PR target/21841
7067         * doc/invoke.texi (-mgnu-ld): Update description.
7068         (-mhp-ld): Ditto.
7069
7070 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7071
7072         PR 23391
7073         * Makefile.in (tree-chrec.o): Depends on real.h.
7074         * tree-chrec.c: Include real.h.
7075         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7076         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7077         * tree-scalar-evolution.c (add_to_evolution_1,
7078         interpret_rhs_modify_expr): Ditto.
7079
7080 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7081
7082         PR 23386
7083         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7084         step is negative compute the estimation from init downwards to zero.
7085
7086 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7087
7088         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7089
7090 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7091
7092         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7093         constraint.
7094         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7095         Accept double-word constants that can be split.
7096         * config/s390/s390.md ("movti"): Use 'P' constraint.
7097         ("*movdi_31", "*movdf_31"): Likewise.
7098
7099 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7100
7101         Fix PR tree-optimization/22615
7102
7103         * tree-ssa-structalias.c (solution_set_add): Handle
7104         first_vi_for_offset returning NULL.
7105         (do_da_constraint): Ditto.
7106         (do_sd_constraint): Ditto.
7107         (do_ds_constraint): Ditto
7108         (find_func_aliases): Ditto.
7109         (build_constraint_graph): RHS is allowed be ANYTHING.
7110         (first_vi_for_offset): Return NULL if we couldn't find anything at
7111         the offset.
7112
7113 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7114
7115         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7116         over memory as first operand.
7117
7118 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7119
7120         PR target/23360
7121         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7122         available for setting it.
7123
7124 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7125
7126         PR tree-optimization/23320
7127         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7128         data-refs' types instead of base object nullness. Add check for
7129         pointer type data-refs before first location comparison. Remove
7130         assert.
7131
7132 2005-08-14  Andreas Schwab  <schwab@suse.de>
7133
7134         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7135
7136 2005-08-13  James E Wilson  <wilson@specifix.com>
7137
7138         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7139         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7140         -fstack-protector-all, --param ssp-buffer-size): Document.
7141         (-Wvariadic-macros): Alphabetize.
7142         (-fsched-stalled-insns-dep): Add missing 'f'.
7143
7144         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7145         macros.
7146
7147 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7148
7149         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7150         or indirect address operand.
7151         (EXTRA_ADDRESS_CONSTRAINT): New.
7152         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7153
7154 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7155
7156         PR tree-optimization/22236
7157         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7158         successors and predecessors.
7159         * tree-chrec.c (chrec_convert): Before converting, check that
7160         sequences don't wrap.
7161         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7162         (analyze_array): Extern.
7163         (find_data_references_in_loop): Remove call to
7164         compute_estimated_nb_iterations.
7165         * tree-data-ref.h (analyze_array): Declared.
7166         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7167         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7168         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7169         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7170         condition.
7171         * tree-ssa-loop-ivcanon.c: Fix documentation.
7172         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7173         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7174         (infer_loop_bounds_from_undefined): New.
7175         (estimate_numbers_of_iterations_loop): Use
7176         infer_loop_bounds_from_undefined.
7177         (used_in_pointer_arithmetic_p): New.
7178         (scev_probably_wraps_p): Pass an extra parameter.  Call
7179         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7180         (convert_step): Fix documentation.
7181         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7182         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7183         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7184         scev_probably_wraps_p.
7185
7186 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7187
7188         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7189         (s390_register_info): Ignore clobbered_regs information for fixed
7190         registers, and only fixed registers.
7191         (s390_init_frame_layout): Remove redundant call.
7192
7193 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7194
7195         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7196         description of -Wold-style-casts.
7197
7198 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7199             Jakub Jelinek  <jakub@redhat.com>
7200
7201         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7202         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7203         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7204         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7205         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7206         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7207         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7208         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7209         ("stack_protect_set", "stack_protect_test"): New expanders.
7210         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7211         "stack_protect_testdi"): New insn definitions.
7212
7213 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7214
7215         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7216
7217 2005-08-12  Paul Brook  <paul@codesourcery.com>
7218
7219         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7220
7221 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7222
7223         * config/s390/predicates.md (setmem_operand): New predicate.
7224         (shift_count_operand): Accept ANDs with special constants as
7225         operand.
7226         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7227         with special constants.
7228         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7229         shift_count_operand with setmem_operand.
7230
7231 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7232
7233         * config/s390/s390.c (s390_extract_part, s390_single_part):
7234         Type cast added.
7235         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7236         (s390_output_mi_thunk): Don't use lg on 31 bit.
7237         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7238         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7239
7240 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7241
7242         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7243         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7244         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7245         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7246         with one of the new macros.
7247
7248 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7249
7250         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7251         Don't set save_return_addr_p.
7252         (s390_register_info): Make clobbered_regs not depending on
7253         save_return_addr_p.
7254
7255 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7256
7257         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7258         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7259
7260 2005-08-11  James E. Wilson  <wilson@specifix.com>
7261
7262         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7263
7264 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7265
7266         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7267         locations gathered by var-tracking in single entry loc_list
7268         over loc_descriptor_from_tree.
7269
7270         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7271         pass it down to loc_descriptor.
7272         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7273         (containing_function_has_frame_base): Move earlier in the file.
7274         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7275         instead of always assuming fbreg can't be used.
7276
7277 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7278
7279         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7280         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7281         Accept address wrapped in AND for Altivec.
7282         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7283         Strip AND wrapping offset address for Altivec.
7284
7285 2005-08-11  Richard Henderson  <rth@redhat.com>
7286
7287         PR middle-end/23312
7288         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7289         before using TYPE_IS_SIZETYPE.
7290
7291 2005-08-11  Richard Henderson  <rth@redhat.com>
7292
7293         PR target/22225
7294         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7295         insn types not present on ev4.
7296         (alphaev5_insn_pipe): Similarly.
7297
7298 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7299
7300         PR target/23250
7301         * arm.c (arm_override_options): If the user has selected callee-super-
7302         interworking, then enable normal interworking.
7303
7304 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7305
7306         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7307         redefinition.
7308
7309 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7310
7311         * doc/rtl.texi: Fix two typos.
7312
7313 2005-08-11  Richard Guenther  <rguenther@suse.de>
7314
7315         PR target/23289
7316         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7317         cases where we call to/from functions returning void.
7318
7319 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7320
7321         PR c++/23225
7322         * tree.c (build_pointer_type_for_mode): Robustify.
7323
7324 2005-08-10  James E Wilson  <wilson@specifix.com>
7325
7326         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7327         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7328
7329         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7330         "cum->".
7331
7332 2005-08-10  Eric Christopher  <echristo@apple.com>
7333
7334         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7335         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7336         V2DFmode.
7337
7338 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7339
7340         PR target/21887
7341         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7342         for the high part when generating dynamic-no-pic code.
7343
7344 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7345
7346         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7347         (x86_64-*-linux*): Likewise.
7348
7349         * config/i386/crtfastmath.c: New file.
7350         * config/i386/t-crtfm: Likewise.
7351
7352         * config/i386/linux.h (ENDFILE_SPEC): New.
7353         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7354
7355         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7356         crtfastmath.o.
7357
7358 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7359
7360         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7361         (vec_shl, vec_shr): Document new operations.
7362         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7363
7364 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7365
7366         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7367         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7368         change predicate to indexed_or_indirect_address.
7369
7370 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7371
7372         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7373         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7374         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7375         and __aeabi_uwrite8.
7376         * config/arm/unaligned-funcs.c: New file.
7377         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7378
7379 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7380
7381         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7382         Add dump.
7383         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7384         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7385         Add dump.
7386         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7387         * final.c (pass_shorten_branches): Add dump.
7388         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7389         (pass_life): Rename dump.
7390         (rest_of_handle_flow2): Remove initial verify_flow_info.
7391         * function.c (pass_instantiate_virtual_regs): Add dump.
7392         * integrate.c (pass_initial_value_sets): Add dump.
7393         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7394         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7395         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7396         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7397         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7398         gate_rtl_unrool_and_peel_loops): New.
7399         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7400         rtl_doloop): Do not look at flags.
7401         * mode-switching.c (pass_mode_switching): Add dump.
7402         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7403         pass_split_before_regstack): Add dump.
7404         * regmove.c (pass_stack_adjustments): Add dump.
7405         * tree-optimize.c (pass_fixup_cfg): Add dump.
7406
7407 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7408
7409         PR 23309
7410         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7411         deciding which instruction sequence to use.
7412
7413 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7414
7415         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7416         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7417
7418 2005-08-09  Richard Guenther  <rguenther@suse.de>
7419
7420         * c-common.c (builtin_function_2): Remove.
7421         (def_builtin_1): New function.
7422         (c_common_nodes_and_builtins): Use def_builtin_1 to
7423         build builtin functions.
7424
7425 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7426
7427         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7428         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7429         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7430         Visual DSP.
7431
7432 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7433
7434         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7435         fold_binary instead of fold_build2 since we don't care about the
7436         resulting tree.
7437         (loop_niter_by_eval): Likewise.
7438         (compare_trees): Likewise.
7439         (proved_non_wrapping_p): Likewise.
7440
7441 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7442
7443         PR c/23161
7444         PR c/23165
7445         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7446         if the if is really empty.
7447
7448 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7449
7450         PR tree-optimization/23234
7451         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7452         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7453         argument of the new enum.
7454         (execute_cse_reciprocals): Add reciprocals for function arguments
7455         on the unique successor edge of the entry block.  Update other calls
7456         to execute_cse_reciprocals_1.
7457
7458 2005-08-08  Richard Henderson  <rth@redhat.com>
7459
7460         PR 22439
7461         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7462
7463 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7464
7465         * expr.c (write_complex_part): Return after handling MEM.
7466
7467 2005-08-08  Josh Conner  <jconner@apple.com>
7468
7469         PR rtl-optimization/23241
7470         * combine.c (simplify_comparison): Fix error in determining
7471         whether to lift a subreg from comparison.
7472
7473 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7474
7475         PR target/18506
7476         * config/rs6000/altivec.md (vec_init<mode>): New.
7477         (vec_set<mode>): New.
7478         (vec_extract<mode>): New.
7479         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7480         (rs6000_expand_vector_set): New.
7481         (rs6000_expand_vector_extract): New.
7482         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7483         for Altivec modes before reload.
7484         (altivec_expand_vec_init_builtin): New.
7485         (get_element_number): New.
7486         (altivec_expand_vec_set_builtin): New.
7487         (altivec_expand_vec_ext_builtin): New.
7488         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7489         builtins.
7490         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7491         builtins.
7492         * config/rs6000/rs6000.h (rs6000_builtins): Add
7493         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7494         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7495         * config/rs6000/rs6000-protos.h: Declare new functions.
7496
7497 2005-08-08  Jan Hubicka  <jh@suse.cz>
7498
7499         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7500         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7501         * i386.md (movdi*): Use pic_32bit_operand.
7502         * predicates.md (pic_32bit_operand): New.
7503
7504 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7505
7506         PR c++/21166
7507         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7508
7509 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7510
7511         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7512         (test_for_singularity): Use fold_build2.
7513
7514 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7515
7516         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7517
7518 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7519
7520         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7521         (COMMON_ASM_OP) Define.
7522         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7523         (ix86_encode_section_info): Likewise.
7524         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7525         SUBTARGET_ENCODE_SECTION_INFO.
7526
7527 2005-08-06  Richard Henderson  <rth@redhat.com>
7528
7529         PR 21894
7530         * tree-nested.c (convert_local_reference): Save and restore val_only
7531         around component_ref and friends.  Clear walk_subtrees by default.
7532
7533 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7534
7535         PR 21366
7536         * gcc.c (process_command): Check the argument to -b has a dash.
7537         * doc/invoke.texi: Update -b and -V docs.
7538
7539 2005-08-06  James E Wilson  <wilson@specifix.com>
7540
7541         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7542
7543 2005-08-06  Michael Matz  <matz@suse.de>
7544
7545         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7546         member only if only one insn is associated with the value.
7547
7548 2005-08-06  Nick Clifton  <nickc@redhat.com>
7549
7550         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7551         New define.
7552         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7553         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7554         Check symbol flags instead of symbol name mangling.
7555         (xstormy16_asm_output_aligned_common): Likewise.  Also
7556         simplify code since the bss100_section cass is the only case
7557         where the below100 code will be triggered.
7558         (xstormy16_encode_section_info): Encode below100 attribute
7559         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7560         the name.
7561         (xstormy16_strip_name_encoding): Delete - this function is no
7562         longer needed.
7563         (TARGET_STRIP_NAME_ENCODING): Undefine.
7564         * config/stormy16/stormy16-protos.h: Delete prototype for
7565         xstormy16_strip_name_encoding.
7566
7567 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7568
7569         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7570         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7571         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7572         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7573         config/alpha/predicates.md, config/arc/arc.h,
7574         config/arm/arm.h, config/arm/ieee754-df.S,
7575         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7576         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7577         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7578         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7579         config/m68hc11/m68hc11.h, config/mips/mips.c,
7580         config/mips/mips.h, config/mips/openbsd.h,
7581         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7582         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7583         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7584         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7585         config/sparc/linux.h, config/sparc/linux64.h,
7586         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7587         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7588         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7589         typos.  Follow spelling conventions.
7590
7591 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7592
7593         PR c/23113
7594         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7595         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7596         specially.  Check for side effects only for COND_EXPR.
7597         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7598         return with TREE_NO_WARNING.
7599
7600 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7601
7602         PR rtl-optimization/23233
7603         * loop.c (combine_movables): Require the modes to be the same.
7604         (move_movables): Remove handling of cases where the replacement
7605         had a different mode to the original.
7606
7607 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7608
7609         PR tree-optimization/23128
7610         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7611         subtraction wrap, and set TREE_OVERFLOW if they do.
7612
7613 2005-08-05  Richard Henderson  <rth@redhat.com>
7614
7615         PR 21728
7616         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7617         FORCED_LABEL labels.
7618
7619 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7620
7621         PR middle-end/23135
7622         * reload.c (find_reloads_subreg_address): Pass down TYPE
7623         unchanged.  Change all callers except find_reloads_toplev.
7624
7625 2005-08-05  Michael Matz  <matz@suse.de>
7626
7627         * genattrtab.c (current_alternative_string): Remove.
7628         (SIMPLIFY_ALTERNATIVE): Ditto.
7629         (attr_alt_bit_p): Ditto.
7630         (alternative_name): Make const char *.
7631         (evaluate_eq_attr): Remove use of above things.
7632         (simplify_test_exp): Ditto.
7633         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7634         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7635
7636 2005-08-04  James E Wilson  <wilson@specifix.com>
7637
7638         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7639         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7640         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7641         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7642         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7643
7644 2005-08-04  Richard Henderson  <rth@redhat.com>
7645
7646         PR 21529
7647         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7648         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7649         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7650         if we'd have to instantiate too many members.
7651
7652 2005-08-04  Richard Henderson  <rth@redhat.com>
7653
7654         PR 21291
7655         * tree-outof-ssa.c (coalesce_asm_operands): New.
7656         (coalesce_ssa_name): Use it.  Split out ...
7657         (coalesce_phi_operands, coalesce_result_decls): ... these.
7658
7659 2005-08-04  Paul Brook  <paul@codesourcery.com>
7660
7661         * read-rtl.c (read_quoted_string): Break if EOF.
7662
7663 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7664
7665         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7666         (fold_build2): Likewise.
7667         (fold_build3): Likewise.
7668         (fold_build1_stat): New function prototype.
7669         (fold_build2_stat): Likewise.
7670         (fold_build3_stat): Likewise.
7671         * fold-const.c (fold_build1): Rename to ..
7672         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7673         through to build1_stat.
7674         (fold_build2): Rename to ..
7675         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7676         through to build2_stat.
7677         (fold_build3): Rename to ..
7678         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7679         through to build3_stat.
7680
7681 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7682             Ian Lance Taylor  <ian@airs.com>
7683
7684         * function.c (assign_stack_local_1): Do not correct stack slot
7685         address if allocation size is smaller than mode size.
7686
7687 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7688
7689         PR 22037
7690         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7691         (tree_merge_blocks): Propagate anything allowed by
7692         may_propagate_copy.
7693         Clarify documentation.
7694         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7695         SSA form, schedule an update if necessary.
7696
7697 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7698
7699         * doc/install.texi (Binaries): Remove broken link to
7700         Sinix/Reliant Unix binaries.
7701
7702 2005-08-03  Richard Henderson  <rth@redhat.com>
7703
7704         PR 23221
7705         * function.c (stack_protect_epilogue): Export.
7706         * tree.h (stack_protect_epilogue): Declare.
7707         * calls.c (expand_call): Call it.
7708
7709 2005-08-03  Eric Christopher  <echristo@apple.com>
7710
7711         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7712         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7713         spec.
7714
7715 2005-08-04  Jan Hubicka  <jh@suse.cz>
7716
7717         * profile.c (branch_prob): Split edges with goto locus on them
7718         to get proper line counts.
7719         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7720
7721 2005-08-03  Paul Brook  <paul@codesourcery.com>
7722
7723         * function.c (assign_parms): Round current_function_args_size
7724         to PARM_BOUNDARY, not STACK_BOUNDARY.
7725
7726 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7727
7728         * config/i386/i386.c (x86_elf_aligned_common)
7729         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7730
7731 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7732
7733         PR tree-optimization/23157
7734         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7735         before emitting them.
7736
7737 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7738
7739         PR tree-optimization/19899
7740         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7741         * tree-scalar-evolution.c: Include real.h.
7742         (add_to_evolution): Build constant -1 of correct type.
7743
7744 2005-08-03  Jan Hubicka  <jh@suse.cz>
7745
7746         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7747         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7748         profile updating for complette unrolling.
7749         * loop-unroll.c (peel_loop_completely): Use it.
7750         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7751         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7752         loops.
7753
7754 2005-08-03  Paul Brook  <paul@codesourcery.com>
7755
7756         * combine.c (can_change_dest_mode): New function.
7757         (try_combine, simplify_set): Use it.
7758
7759 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7760
7761         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7762         TFmode to BLKmode.
7763
7764 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7765
7766         * doc/install.texi (Specific): Adjust link to openavr.org.
7767         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7768         (Binaries): Adjust HP-UX Porting Center link.
7769         (Binaries): Adjust Free Software Foundation ordering link.
7770
7771 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7772
7773         * convert.c (convert_to_integer): Use fold_build1 instead of
7774         build1 when converting an integer to an integer.
7775
7776 2005-08-02  Richard Henderson  <rth@redhat.com>
7777
7778         * combine.c (combine_instructions): Don't use reg_equal/equiv
7779         results if the mode doesn't match.
7780
7781 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7782
7783         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7784         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7785
7786 2005-08-02  Richard Henderson  <rth@redhat.com>
7787
7788         PR 23196
7789         * explow.c (memory_address): Remove special-case for
7790         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7791
7792 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7793
7794         PR 23164
7795         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7796         number of calls to cleanup_tree_cfg_1.
7797
7798 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7799
7800         * doc/invoke.texi: document file extensions .F90 and .F95
7801
7802 2005-08-02  Richard Guenther  <rguenther@suse.de>
7803
7804         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7805         positive if its first argument is positive.
7806
7807 2005-08-02  Richard Guenther  <rguenther@suse.de>
7808
7809         PR tree-optimization/23177
7810         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7811         on TMR_TAG.
7812
7813 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7814
7815         PR tree-optimization/23129
7816         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7817         varying for divisions with anti-ranges.
7818
7819 2005-08-02  Jan Hubicka  <jh@suse.cz>
7820
7821         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7822         * tree-ssa-threadupdate.c (thread_block): Add it here.
7823
7824 2005-08-01  James E Wilson  <wilson@specifix.com>
7825
7826         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7827         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7828         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7829         New.
7830         * config/mips/predicates.md (const_call_insn_operand): Add check for
7831         SYMBOL_REF_LONG_CALL_P.
7832         * doc/extend.texi (long_call): Document the new attribute.
7833
7834 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7835             Richard Henderson  <rth@redhat.com>
7836
7837         * Makefile.in (RTL_BASE_H): Add real.h.
7838         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7839         instead of memcpy.
7840         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7841         directly.
7842         * rtl.c (rtl_check_failed_code_mode): New.
7843         * rtl.h (struct rtx_def): Add u.rv.
7844         (XCMWINT, XCNMPRV): New.
7845         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7846         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7847
7848 2005-08-01  Richard Henderson  <rth@redhat.com>
7849
7850         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7851         with auto-inc codes.
7852
7853         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7854
7855 2005-08-01  Jan Hubicka  <jh@suse.cz>
7856
7857         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7858         * i386.c: Include dwarf2.h
7859         (asm_preferred_eh_data_format): New.
7860         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7861
7862 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7863
7864         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7865         randomize_va_space for virtual address randomization control.
7866
7867 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7868
7869         * common.opt (flag_ipa_cp): Put in right place to maintain
7870         alphabetic sort.
7871
7872 2005-08-01  Jan Hubicka  <jh@suse.cz>
7873
7874         * profile.c (compute_value_histograms): Fix thinko.
7875         * value-prof.c: Include toplev.h
7876         (check_counter): New function.
7877         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7878         tree_mod_subtract_transform): Add sanity check.
7879
7880 2005-08-01  Richard Guenther  <rguenther@suse.de>
7881
7882         PR tree-optimization/23133
7883         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7884         current functions parameter decls to find defs to cse
7885         reciprocals of.
7886
7887 2005-08-01  Richard Guenther  <rguenther@suse.de>
7888
7889         PR tree-optimization/23109
7890         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7891         If trapping math is in effect, use post-dominator information
7892         to check if we'd in any case reach a trapping point before
7893         doing the reciprocal insertion.
7894         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7895         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7896         expressions are invariant only if trapping math is not in effect.
7897
7898 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7899
7900         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7901         cgraph_function_versioning): New declarations.
7902         * cgraphunit.c: Add include to ipa-prop.h.
7903         (update_call_expr, cgraph_copy_node_for_versioning,
7904         cgraph_function_versioning): New functions.
7905         * integrate.c (copy_decl_for_inlining): Remove.
7906         * ipa-prop.h (ipa_replace_map): New struct.
7907         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7908         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7909         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7910         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7911         ipcp_iterate_stage, ipcp_method_scale_print,
7912         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7913         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7914         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7915         ipcp_update_bb_counts, ipcp_update_profiling,
7916         ipcp_update_edges_counts): New functions.
7917         (ipcp_method_cval_init): Remove restriction regarding local methods.
7918         (ipcp_init_stage): Add ipcp_method_compute_scale.
7919         (ipcp_insert_stage): Add versioning.
7920         (ipcp_structures_print): Add ipcp_method_scale_print.
7921         (ipcp_driver): Dump profiling info.
7922         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7923         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7924         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7925         (struct inline_data): Add versioning_p, ipa_info, new fields.
7926         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7927         declare_return_variable): Replace calls to copy_decl_for_inlining with
7928         copy_decl_for_dup.
7929         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7930         versioning support.
7931         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7932         Add argument VERSIONING.
7933         (copy_arguments_for_versioning, copy_static_chain,
7934         function_versionable_p, tree_versionable_function_p,
7935         tree_function_versioning, replace_ref_tree): New functions.
7936         * tree-inline.h: Include varray.h.
7937         (tree_versionable_function_p,  tree_function_versioning,
7938         tree copy_decl_for_dup): New declarations.
7939
7940 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7941
7942         * ipa-cp.c: New file. Contains IPCP specific functionality.
7943         * ipa-prop.h: New file. Contains structures/definitions that can be
7944         used by several interprocedural data flow optimizations (and also IPCP).
7945         * ipa-prop.c: New file.
7946         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7947         * common.opt: Add ipa-cp flag.
7948         * timevar.def: Add IPCP optimization.
7949         * tree-optimize.c (init_tree_optimization_passes): Schedule
7950         pass_ipa_cp.
7951         * tree-pass.h (pass_ipa_cp): Declare.
7952
7953 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7954
7955         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7956         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7957         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7958         config/i386/i386.c, config/mips/mips.h,
7959         config/rs6000/rs6000.h, config/sh/sh.c,
7960         config/stormy16/stormy16.c: Fix comment typos.
7961
7962 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7963
7964         PR c/22311
7965         * c-typeck.c (build_binary_op): Use common_type wrapper on
7966         shortened types.
7967         (common_type): Update comment.
7968
7969 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7970
7971         PR target/23095
7972         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7973         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7974         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7975
7976 2005-07-31  Jan Hubicka  <jh@suse.cz>
7977
7978         * pretty-print.h (pp_widest_integer): New macro.
7979         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7980         counts.
7981
7982 2005-07-31  Jan Hubicka  <jh@suse.cz>
7983
7984         * output.h (enum section_category): Export from varasm.c
7985         (categorize_decl_for_section): Likewise.
7986         * varasm.c (enum section_category): Kill.
7987         (categorize_decl_for_section): Make global.
7988         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7989         Declare.
7990         * i386.c (ix86_section_threshold): New static variable.
7991         (ix86_in_large_data_p, ix86_encode_section_info,
7992         x86_64_elf_unique_section,
7993         x86_64_elf_select_section): New functions.
7994         (TARGET_ENCODE_SECTION_INFO): Define
7995         (override_options): Enable medium model for PIC.
7996         (ix86_expand_prologue): Expand gen_set_got_rex64.
7997         (legitimate_constant_p): Handle new UNSPECs.
7998         (legitimate_pic_address_disp_p): Likewise.
7999         (legitimize_pic_address): Lower MEDIUM model addressing.
8000         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8001         (enum cmodel): Add MEDIUM_PIC.
8002         (SYMBOL_REF_FAR_ADDR_P): New macro.
8003         (SYMBOL_FLAG_FAR_ADDR): New flag.
8004         * i386.md (movdi): Support medium model.
8005         (set_got_rex64): New pattern.
8006         * i386.opt (mlarge-data-threshold): New flag.
8007         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8008         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8009         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8010         TARGET_ASM_UNIQUE_SECTION): New.
8011
8012         * invoke.texi (-mlarge_data_threshold): Document
8013
8014 2005-07-31  Jan Hubicka  <jh@suse.cz>
8015
8016         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8017         (coalesce_vars): Likewise.
8018         * tree-ssa-live.c (coalesce_cost): New.
8019         (build_tree_conflict_graph): Use coalesce_cost.
8020         * tree-ssa-live.h (coalesce_cost): Declare.
8021
8022 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8023
8024         * arm.md (all peepholes for post-increment operations): Delete.
8025         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8026         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8027         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8028         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8029         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8030
8031 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8032
8033         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8034         non-integral types.
8035
8036 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8037
8038         PR target/22582
8039         * doc/invoke.texi: Document -rdynamic.
8040
8041 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8042
8043         PR c/23143
8044         * c-parser.c (c_parser_parms_list_declarator): Call
8045         mark_forward_parm_decls.
8046         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8047         decls with visibility structure.
8048
8049 2005-07-30  Paul Brook  <paul@codesourcery.com>
8050
8051         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8052
8053 2005-07-30  Paul Brook  <paul@codesourcery.com>
8054
8055         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8056         prototype.
8057         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8058         value for mode.
8059         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8060
8061 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8062
8063         PR c/529
8064         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8065         nested function declarators.
8066         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8067         (grokparms): Call warn_if_shadowing for parameters used within the
8068         parameter list.
8069         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8070         not used within the parameter list.
8071         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8072
8073 2005-07-30  Jan Hubicka  <jh@suse.cz>
8074
8075         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8076         * i386.c (ix86_fixup_binary_operands): Likewise.
8077         (ix86_expand_unary_operator): Likewise.
8078         (ix86_expand_fp_absneg_operator): Likewise.
8079         * optabs.c (expand_vec_cond_expr): Validate dest.
8080
8081 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8082
8083         PR c/21720
8084         * real.c (real_from_string): Also set last bit if there is a
8085         nonzero hex digit beyond GCC's internal precision after ".".
8086
8087 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8088
8089         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8090         define_constants.  Change duplicate values to unassigned numbers.
8091         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8092         (*altivec_vspltsf): New.
8093         (altivec_vperm_v4sf): Delete.
8094         (altivec_vperm_<mode>): Use mode macro V.
8095         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8096         (altivec_predicate_v4sf): Delete.
8097         (altivec_predicate_<mode>): Use mode macro V.
8098         (*altivec_lvesfx): New.
8099         (*altivec_stvesfx): New.
8100         (vec_realign_load_v4sf): Delete.
8101         (vec_realign_load_<mode>): Use mode macro V.
8102         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8103         UNSPECV_SET_VRSAVE.
8104
8105 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8106
8107         PR bootstrap/23131
8108         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8109         string.
8110         * configure: Regenerated.
8111
8112 2005-07-29  Paul Brook  <paul@codesourcery.com>
8113
8114         * doc/install.texi: Add link to GFortran binaries wiki page.
8115
8116 2005-07-29  David Ung  <davidu@mips.com>
8117
8118         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8119         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8120         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8121         * config/mips/mips.md (cpu): Add 5kf name.
8122         (includes): Includes 5k.md.
8123         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8124         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8125         -march flag.
8126
8127 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8128
8129         PR 22550
8130         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8131         (cleanup_tree_cfg): ... here.
8132         Call cleanup_tree_cfg_1 until there are no more cleanups to
8133         do.
8134
8135 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8136
8137         * tree-vrp.c (compare_range_with_value): Return true or false
8138         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8139         EQ_EXPR respectively.
8140
8141 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8142
8143         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8144         Fix comment typos.
8145
8146 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8147
8148         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8149         (tree_ssa_dominator_optimize): Increment it.
8150         (dump_dominator_optimization_stats): Print it.
8151
8152 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8153             Steven Bosscher  <stevenb@suse.de>
8154
8155         PR rtl-optimization/23117
8156         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8157         when head == tail.  Tidy comment.
8158
8159 2005-07-28  Richard Henderson  <rth@redhat.com>
8160
8161         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8162         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8163         * jump.c (rtx_renumbered_equal_p): Likewise.
8164         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8165         CONST_INT and CONST_DOUBLE.
8166         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8167         * reload.c (operands_match_p): Special case CONST_INT and
8168         CONST_DOUBLE; check mode earlier.
8169
8170 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8171
8172         PR c/22240
8173         * c-typeck.c (convert_for_assignment): Do not check
8174         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8175
8176 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8177
8178         PR c/22192
8179         * c-typeck.c (composite_type): Prefer constant size arrays to
8180         VLAs.
8181
8182 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8183
8184         PR c/21720
8185         * real.c (real_from_string): Set last bit if there is a nonzero
8186         hex digit beyond GCC's internal precision.
8187
8188 2005-07-28  Richard Henderson  <rth@redhat.com>
8189
8190         PR rtl-opt/22619
8191         * cfgcleanup.c (try_forward_edges): Watch out for end of
8192         insn chain.
8193
8194 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8195
8196         PR c/23106
8197         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8198
8199 2005-07-28  Jan Hubicka  <jh@suse.cz>
8200
8201         * Makefile.in (rtl-profile.o): Kill all traces of it.
8202         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8203         * coverage.h (rtl_coverage_counter_ref): Kill.
8204         * opts.c (flag_speculative_prefetching_set): Kill.
8205         (flag_loop_optimize_set): New.
8206         (common_handle_option): Disable loop optimizer when profiling;
8207         do not handle speculative prefetching.
8208         * passes.c (init_optimization_passes): Replace pass_profiling combo
8209         by branch_prob pass.
8210         * profile.c (compute_value_histograms): Update for simplified value
8211         profiles.
8212         (rtl_register_profile_hooks): Kill.
8213         (pass_profiling): Kill.
8214         (rest_of_handle_branch_prob): Do not profile.
8215         * toplev.c (process_options): Remove speculative prefetching.
8216         * toplev.h (flag_tree_based_profiling): Kill.
8217         * tree-profile.c (prepare_instrumented_value,
8218         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8219         tree_gen_one_value_profiler, do_tree_profiling): Update for
8220         simplified datastructures.
8221         * value-prof.c: Add comment that speculative prefetching was dropped;
8222         update rest of file for simplified datastructures.
8223         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8224         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8225         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8226         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8227         rtl_mod_subtract, gen_speculative_prefetch,
8228         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8229         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8230         (gate_handle_value_profile_transformations,
8231         rest_of_handle_value_profile_transformations,
8232         pass_value_profile_transformations): Kill.
8233         * value-prof.h (histogram_value_t): Remove IL based unions.
8234         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8235         rtl_profile_hooks): Remove hooks.
8236
8237         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8238
8239         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8240         (cgraph_clone_node): Likewise.
8241         * cgraph.h (cgraph_clone_edge): Update prototype.
8242         (cgraph_clone_node): Likewise.
8243         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8244         cgraph_clone_node.
8245         (lookup_recursive_calls): Consider profile.
8246         (cgraph_decide_recursive_inlining): Fix updating; use new
8247         probability argument; use profile.
8248         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8249         * tree-inline.c (copy_bb): Update clal of clone_edge.
8250         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8251
8252         * invoke.texi (min-inline-recursive-probability): Document.
8253
8254 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8255
8256         * doc/install.texi (Configuration): Update Valgrind homepage.
8257
8258 2005-07-28  Richard Henderson  <rth@redhat.com>
8259
8260         PR middle-end/21362
8261         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8262         labels we want to delete.
8263         (cfg_layout_merge_blocks): Likewise.
8264
8265 2005-07-28  Richard Henderson  <rth@redhat.com>
8266
8267         PR target/17692
8268         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8269         when expanding to nothing.
8270
8271 2005-07-28  Josh Conner  <jconner@apple.com>
8272
8273         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8274         (cgraph_decide_inlining_of_small_functions): Likewise.
8275
8276 2005-07-28  Josh Conner  <jconner@apple.com>
8277
8278         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8279         direction of badness if negative.
8280         (cgraph_default_inline_p): Add reason to parameters, and assign it
8281         a value.
8282         (cgraph_decide_inlining_of_small_functions): New parameter in call
8283         to cgraph_default_inline_p.
8284         (cgraph_decide_inlining_incrementally): Likewise.
8285         * cgraphunit.c (decide_is_function_needed): Likewise.
8286         * cgraph.h (cgraph_default_inline_p): Likewise.
8287
8288 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8289
8290         * builtins.c: Fix comment typo(s).
8291         * genautomata.c: Likewise.
8292         * gimplify.c: Likewise.
8293         * tree-dfa.c: Likewise.
8294         * tree-flow-inline.h: Likewise.
8295         * tree-into-ssa.c: Likewise.
8296         * tree-ssa-alias.c: Likewise.
8297         * tree-ssa-ccp.c: Likewise.
8298         * tree-ssa-copy.c: Likewise.
8299         * tree-ssa-dce.c: Likewise.
8300         * tree-ssa-dom.c: Likewise.
8301         * tree-ssa-operands.c: Likewise.
8302         * tree-tailcall.c: Likewise.
8303         * tree-vectorizer.c: Likewise.
8304         * tree-vrp.c: Likewise.
8305         * tree.c: Likewise.
8306
8307 2005-07-28  Jeff Law  <law@redhat.com>
8308
8309         * tree-vrp.c (test_for_singularity): Extracted from  ...
8310         (simplify_cond_using_ranges): Attempt to simplify a relational
8311         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8312
8313 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8314
8315         PR tree-optimization/22506
8316         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8317         phis whose argument is constant.
8318
8319 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8320
8321         PR rtl-optimization/18992
8322         Back out this patch:
8323           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8324           PR optimization/12142
8325           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8326           uses of the register in the SET_SRC.  Remove unnecessary argument.
8327
8328         Replace it with this:
8329         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8330         if flag_non_call_exceptions is set and the insn may trap, pass
8331         pc_rtx as dest for recursion.
8332         In SET_SRC part of SET case, if dest is already set, pass it down
8333         unchanged.
8334
8335 2005-07-28  Jan Hubicka  <jh@suse.cz>
8336
8337         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8338         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8339         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8340         roundoff errors.
8341         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8342         profile when available.
8343
8344 2005-07-28  Jan Beulich <jbeulich@novell.com>
8345
8346         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8347         (ia64_print_operand): Describe and handle 'X'.
8348         (ia64_register_move_cost): Also handle FP_REGS.
8349         (ia64_preferred_reload_class): Likewise.
8350         (ia64_secondary_reload_class): Likewise.
8351         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8352         it. Also check for ITANIUM_CLASS_FLDP.
8353         * config/ia64/ia64.h (FP_REGNO_P): New.
8354         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8355         (reg_class): Add FP_REGS.
8356         (REG_CLASS_NAMES): Adjust for it.
8357         (REG_CLASS_CONTENTS): Likewise.
8358         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8359         (REG_CLASS_FROM_LETTER): Handle 'x'.
8360         (CLASS_MAX_NREGS): Handle FP_REGS.
8361         (MEMORY_MOVE_COST): Likewise.
8362         * config/ia64/ia64.md (itanium_class): Add fldp.
8363         (type): Handle fldp.
8364         (movti_internal): More allowable operand combinations. Use ldfp8 when
8365         splitting unnecessary. Remove predicable attribute. Adjust
8366         itanium_class attribute.
8367         (smuldi3_highpart): Remove outdated comment.
8368         (mulditi3, umulditi3, rotlti3): New expanders.
8369         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8370         (absti2): Disabled new insn for future reference.
8371         Respective new splitters.
8372         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8373         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8374         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8375
8376 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8377
8378         PR rtl-optimization/23047
8379         * simplify-rtx.c (simplify_const_relational_operation): Respect
8380         flag_wrapv for comparisons with ABS.
8381
8382 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8383
8384         PR tree-optimization/22493
8385         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8386         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8387
8388 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8389
8390         * config/frv/frv.opt (moptimize-membar): New.
8391
8392         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8393
8394         * config/frv/frv.h: Remove machine_function definition.
8395
8396         * config/frv/frv.c (struct frv_io): New.
8397         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8398         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8399         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8400         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8401         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8402         (frv_reorg): Call frv_optimize_membar when appropriate.
8403         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8404         (frv_expand_builtin): Adjust calls accordingly.
8405         (frv_io_address_cookie): New function.
8406         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8407         load or store rather than a special insn.  Add ccnstant address and
8408         io-type operands to the membar.
8409         (frv_ifcvt_modify_tests): Unsign regno.
8410         (frv_ifcvt_modify_tests): Same.
8411
8412         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8413         UNSPEC_OPTIONAL_MEMBAR constant.
8414         (builtin_read_<mode>): Delete.
8415         (builtin_write_<mode>): Delete.
8416         ("optional_membar_<mode>"): Add operand.
8417
8418         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8419         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8420         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8421         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8422         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8423         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8424         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8425         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8426         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8427
8428 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8429
8430         * df.c (df_uses_record): Handle SCRATCH.
8431
8432 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8433
8434         PR debug/20161
8435         * passes.c (rest_of_decl_compilation): If decl is a type and
8436         we have encountered errors, don't emit debug information.
8437
8438 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8439
8440         * params.def: Fixed comment.
8441
8442 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8443
8444         PR target/19885
8445         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8446         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8447         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8448
8449 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8450
8451         PR c++/22003
8452         * varasm.c (assemble_start_function): Don't do anything that may
8453         require a CFG if the current function is a thunk.
8454
8455 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8456
8457         * doc/install.texi (Prerequisites): Mention that perl is needed
8458         to do export control in libstdc++ targetting Darwin.
8459
8460 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8461
8462         PR rtl-optimization/17808
8463         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8464         (sched_insns_conditions_mutex_p): Split out from...
8465         (add_dependence): ...here.  But don't call it from here.
8466         (add_dependence_list): Check sched_insns_conditions_mutex_p
8467         before calling add_dependence.
8468         (add_dependence_list_and_free): Likewise.
8469         (fixup_sched_groups): Likewise.
8470         (sched_analyze_1): Likewise.
8471         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8472         (sched_analyze): Likewise.
8473         (sched_analyze_insn): Likewise.
8474         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8475         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8476         dependencies on all COND_EXEC insns to jumps ending basic blocks
8477         when doing intrablock scheduling.
8478         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8479
8480 2005-07-27  Jeff Law  <law@redhat.com>
8481
8482         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8483         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8484         equivalency sets, correctly handle the case were vr0 has an
8485         equivalency set, but vr1 does not.
8486
8487 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8488
8489         PR tree-optimization/23073
8490         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8491         vect_print_dump_info before fprintf.
8492
8493 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8494
8495         PR tree-optimize/22348
8496         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8497         Fold the partial computation.
8498
8499 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8500
8501         PR tree-optimization/22325
8502         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8503         Declare.
8504         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8505         value replacement.
8506         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8507         (force_var_cost): ... this function.
8508         (compute_phi_arg_on_exit): Export.
8509
8510 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8511
8512         PR tree-optimization/20773
8513         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8514         edge.
8515
8516 2005-07-27  Richard Guenther  <rguenther@suse.de>
8517
8518         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8519         Avoid pushing again if current struct contains only
8520         fields we decomposed.
8521
8522 2005-07-27  Jan Hubicka  <jh@suse.cz>
8523
8524         PR tree-optimization/22574
8525         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8526         not available.
8527
8528         * tree-tailcall.c (decrease_profile): New function.
8529         (eliminate_tail_call): Use it.
8530
8531         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8532         visibility flags correctly in whole program mode.
8533
8534 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8535
8536         PR rtl-optimization/22472
8537         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8538
8539 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8540
8541         PR tree-optimization/22504
8542         * tree-complex.c (expand_complex_addition): Use 'code' instead
8543         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8544
8545 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8546
8547         * config.gcc (cpu_type): Add frv case.
8548         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8549         (supported_defaults): Add fr550 case.
8550
8551 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8552
8553         PR 22591
8554         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8555         whether a pointer of type T * may point to objects of type T *.
8556
8557 2005-07-26  DJ Delorie  <dj@redhat.com>
8558
8559         * configure: Regenerate.
8560
8561 2005-07-26  Dale Johannesen  <dalej@apple.com>
8562
8563         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8564
8565 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8566
8567         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8568         Clarify use of "build" in name.
8569
8570 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8571
8572         * doc/extend.texi (Raw read/write Functions): New section.
8573         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8574         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8575         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8576         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8577         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8578         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8579         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8580         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8581         * config/frv/frv.c: Add bdesc_loads global.
8582         Add bdesc_stores global.
8583         (frv_init_builtins): Add support for __builtin_{read/write}*.
8584         (frv_volatile_memref): New.
8585         (frv_expand_load_builtin): New.
8586         (frv_expand_store_builtin): New.
8587         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8588         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8589         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8590         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8591         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8592         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8593         (builtin_read_<mode>): New.
8594         (builtin_write_<mode>): New.
8595         (builtin_write64): New.
8596         (optional_membar_<mode>): New.
8597
8598 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8599
8600         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8601         (rather than units) against HOST_BITS_PER_WIDE_INT.
8602
8603 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8604
8605         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8606         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8607         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8608         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8609         FSF address.
8610
8611         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8612         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8613         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8614         comment typos.
8615         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8616
8617 2005-07-26  Richard Guenther  <rguenther@suse.de>
8618
8619         PR tree-optimization/22486
8620         * fold-const.c (fold_unary): Fold away useless component
8621         references of the form (T *)&T.x, if the address
8622         doesn't change.
8623
8624 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8625
8626         * dwarf2out.c (add_call_src_coords_attributes): New.
8627         (gen_inlined_subroutine_die): Call it.
8628         (maybe_emit_file, init_file_table): Add comments.
8629         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8630         maybe_emit_file.
8631         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8632         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8633         * tree.h (BLOCK_SOURCE_LOCATION): New.
8634         (struct tree_block): New field locus.
8635
8636 2005-07-26  Andreas Schwab  <schwab@suse.de>
8637
8638         PR rtl-optimization/23043
8639         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8640         when allocating a struct unoccr.
8641
8642 2005-07-25  Richard Henderson  <rth@redhat.com>
8643
8644         PR 22626
8645         * tree-complex.c (gate_no_optimization): True if errors.
8646         * Makefile.in (tree-complex.o): Update dependencies.
8647
8648 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8649
8650         * config/frv/predicates.md (integer_register_operand): Use
8651         GPR_AP_OR_PSEUDO_P.
8652
8653 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8654
8655         PR tree-opt/22484
8656         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8657         after fold.
8658         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8659
8660 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8661
8662         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8663         types when flag_unsafe_math_optimizations is true.
8664
8665 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8666
8667         * gcc.c (option_map): Add --sysroot.
8668         (process_command): Handle --sysroot.
8669         (display_help): Document it.
8670         * doc/cppopts.tex (-isysroot): Document.
8671         * doc/invoke.texi (--sysroot): Document.
8672         * doc/install.texi (--with-build-sysroot): Document.
8673
8674         * Makefile.in (inhibit_libc): New variable.
8675         (INHIBIT_LIBC_CFLAGS): Likewise.
8676         (LIBGCC2_CFLAGS): Include
8677         $(INHIBIT_LIBC_CFLAGS).
8678         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8679         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8680         ($(T)crtend.o): Likewise.
8681         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8682         ($(T)crtendS.o): Likewise.
8683         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8684         ($(T)crtendT.o): Likewise.
8685         (stmp-fixinc): Do not complain about missing headers if
8686         inhibit_libc.
8687         * configure.ac (inhibit_libc): Set it to true/false.
8688         (--with-build-sysroot): New option.  Use it to set
8689         SYSTEM_HEADER_DIR.
8690         * configure: Regenerated.
8691
8692 2005-07-25  Manfred Hollstein  <mh@suse.com>
8693
8694         * calls.c (store_one_arg): Fix unsigned comparison warning.
8695
8696 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8697
8698         PR other/22337
8699         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8700         (ggc_print_statistics): Initialize variable before use.
8701
8702 2005-07-25  Richard Guenther  <rguenther@suse.de>
8703
8704         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8705         calling with a PHI_NODE argument.
8706
8707         * tree-flow-inline.h (overlap_subvar): Protect against
8708         possible overflow.
8709
8710 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8711
8712         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8713         * configure: Regenerate.
8714
8715 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8716
8717         * expr.c (highest_pow2_factor): Make extern.
8718         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8719         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8720         record_array_differ_p, array_ptr_differ_p): Likewise.
8721         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8722         additional cases. Call the above functions.
8723         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8724         base_object_differ_p when there are two base objects. Otherwise, compare
8725         base address and offset. Call may_alias_p.
8726         (dump_data_reference): Use a correct field name.
8727         (analyze_array): Make static. Initialize new data-ref fields.
8728         (analyze_indirect_ref): New function.
8729         (init_data_ref): Initialize new data-ref fields.
8730         (strip_conversion): Moved from tree-vect-analyze.c.
8731         (analyze_offset_expr, get_ptr_offset, address_analysis,
8732         object_analysis): Likewise.
8733         (analyze_offset): New function.
8734         (create_data_ref): Likewise.
8735         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8736         dimensions for ARRAY_REFs only.
8737         (build_classic_dist_vector): Make static.
8738         (access_functions_are_affine_or_constant_p): Call macro to get the
8739         address of access functions.
8740         (compute_all_dependences): Add new parameter
8741         compute_self_and_read_read_dependences. Compute self and read-read
8742         dependences if it is true.
8743         (find_data_references_in_loop): Call create_data_ref. Initialize new
8744         data-ref fields.
8745         (compute_data_dependences_for_loop): Add new parameter
8746         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8747         compute nb_loops. Call compute_all_dependences,
8748         build_classic_dist_vector and build_classic_dir_vector with correct
8749         parameters.
8750         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8751         with correct parameters. Compare dimensions for ARRAY_REFs only.
8752         (free_data_refs): Call macro to free access functions.
8753         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8754         fields from stmt_vinfo.
8755         (struct base_object_info): New structure.
8756         (struct data_reference): Move fields to base_object_info. Add fields
8757         first_location and object_info for above structures. Move fields from
8758         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8759         aligned_to.  Add macros to access the new fields.
8760         Update functions declarations.
8761         * tree-flow.h (is_aliased_with): Declare.
8762         * tree-loop-linear.c (linear_transform_loops): Call
8763         compute_data_dependences_for_loop with correct parameters.
8764         * tree-ssa-alias.c (is_aliased_with): New function.
8765         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8766         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8767         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8768         vect_base_addr_differ_p, compute_subscript_distance and
8769         build_classic_dist_vector. Add printings. Check absolute value of
8770         distance.
8771         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8772         data-refs.
8773         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8774         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8775         to bytes. Add printing.
8776         (vect_compute_data_refs_alignment): Go through loads and stores in one
8777         loop.
8778         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8779         vect_analyze_data_ref_access): Likewise.
8780         (vect_analyze_pointer_ref_access): Remove.
8781         (vect_address_analysis, vect_object_analysis): Likewise.
8782         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8783         and analyze data-refs in the loop.
8784         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8785         fields of data-ref instead of stmt. Add init to the offset from the
8786         base.
8787         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8788         (vect_update_init_of_dr): Likewise.
8789         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8790         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8791         removed fields.
8792         (new_loop_vec_info): Initialize new fields.
8793         (destroy_loop_vec_info): Free new fields.
8794         (vect_strip_conversion): Remove.
8795         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8796         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8797         datarefs. Add new field ddrs.
8798         Add macros for the new fields access.
8799         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8800         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8801         Remove their macros.
8802         * tree.h (highest_pow2_factor): Declare.
8803
8804 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8805
8806         * calls.c (store_one_arg): Check for sibling call MEM arguments
8807         from already clobbered incoming argument area.
8808
8809 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8810
8811         * c-common.c (check_missing_format_attribute): New.
8812         * c-common.h (check_missing_format_attribute): Likewise.
8813         * c-typeck.c (convert_for_assignment): Use it.
8814
8815 2005-07-24  Andreas Schwab  <schwab@suse.de>
8816
8817         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8818         register use a word move.  Correct operand of ext.w in 68000 code.
8819
8820 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8821
8822         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8823         variables as declarations, rather than definitions.
8824
8825 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8826
8827         PR tree-optimization/22526
8828         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8829         of the zero node.
8830
8831 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8832
8833         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8834         that C99 reserve for future use. Use it to define clog10,
8835         clog10f and clog10l.
8836
8837 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8838
8839         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8840         * configure.ac: Check for -Wmissing-format-attribute.
8841
8842         * configure: Regenerate.
8843
8844 2005-07-23  Richard Henderson  <rth@redhat.com>
8845
8846         PR tree-optimization/22623
8847         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8848
8849 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8850
8851         PR target/22577
8852         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8853
8854 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8855
8856         * Makefile.in (C_TREE_H): Update dependencies.
8857         * c-tree.h: Include toplev.h.
8858         * diagnostic.h (diagnostic_set_info): Add format attribute.
8859         * rtl-error.c (diagnostic_for_asm): Likewise.
8860
8861 2005-07-23  Chao-ying Fu  <fu@mips.com>
8862
8863         * config/mips/mips-dsp.md: New file.
8864         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8865         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8866         functions.
8867         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8868         MIPS_BUILTIN_BPOSGE32.
8869         (mips_expand_builtin_direct): Add one parameter to indicate that
8870         builtin functions need to return a value.
8871         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8872         functions.
8873         (mips_regno_to_class): Add classes for 12 new DSP registers.
8874         (mips_subword): Change to check four HI registers.
8875         (mips_output_move): Output move to and from 6 new DSP accumulators.
8876         (override_options): Make sure -mdsp and -mips16 are not used together.
8877         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8878         for machine modes.
8879         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8880         when !TARGET_DSP.
8881         (print_operand): Add 'q' for printing DSP accumulators.
8882         (mips_cannot_change_mode_class): Check ACC_REGS.
8883         (mips_secondary_reload_class): Check ACC_REGS.
8884         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8885         (mips_register_move_cost): Check ACC_REGS.
8886         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8887         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8888         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8889         (dsp_bdesc): New array.
8890         (bdesc_arrays): Add DSP builtin function table.
8891         (mips_prepare_builtin_arg): Check predicate again after
8892         copy_to_mode_reg.
8893         (mips_expand_builtin): Add one more parameter to
8894         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8895         MIPS_BUILTIN_BPOSGE32.
8896         (mips_init_builtins): Initialize new function types.
8897         (mips_expand_builtin_direct): Check if builtin functions need to
8898         return a value and pass operands properly.
8899         (mips_expand_builtin_bposge): New function.
8900         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8901         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8902         (FIRST_PSEUDO_REGISTER): Increase to 188.
8903         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8904         Update for 12 new DSP registers.
8905         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8906         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8907         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8908         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8909         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8910         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8911         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8912         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8913         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8914         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8915         (REGISTER_NAMES): Add names for 12 new DSP registers.
8916         * config/mips/mips.md: Include mips-dsp.md.
8917         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8918         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8919         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8920         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8921         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8922         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8923         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8924         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8925         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8926         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8927         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8928         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8929         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8930         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8931         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8932         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8933         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8934         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8935         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8936         (UNSPEC_RDDSP): New constants.
8937         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8938         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8939         A<-d alternative.
8940         * config/mips/mips.opt (-mdsp): New option.
8941         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8942         (reg_imm10_operand): New predicates.
8943         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8944         * doc/invoke.texi (-mdsp): Document new option.
8945
8946 2005-07-22  DJ Delorie  <dj@redhat.com>
8947
8948         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8949         to warning calls.
8950         * tree-inline.c (inlinable_function_p): Likewise.
8951
8952 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8953
8954         PR debug/21828
8955         * toplev.c (check_global_declarations): Do not mark undefined
8956         variables as DECL_IGNORED_P.
8957         * varasm.c (first_global_object_name): GTY it.
8958         (weak_global_object_name): Likewise.
8959         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8960         a string to go into {weak,first}_global_object_name.
8961
8962 2005-07-22  DJ Delorie  <dj@redhat.com>
8963
8964         * c-format.c (check_function_format): Change warning control
8965         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8966
8967 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8968
8969         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8970         &PTR->FLD a dereference of PTR.
8971         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8972         a potential dereference of PTR.
8973
8974 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8975
8976         PR rtl-optimization/20370
8977         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8978         call allocate_reg_info if necessary.
8979
8980         PR rtl-optimization/21848
8981         * calls.c (emit_library_call_value_1): For const functions, add
8982         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8983
8984         PR rtl-optimization/22445
8985         * cselib.c (target.h): Include.
8986         (rtx_equal_for_cselib_p): Allow commutative matches.
8987         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8988         Remove MODE parameter.  Changed all callers.
8989
8990         PR rtl-optimization/22258
8991         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8992         New functions.
8993         (try_combine): Use likely_spilled_retval_p.
8994
8995 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8996
8997         * config.gcc: Add crx-elf support.
8998
8999         * doc/contrib.texi: Mention crx.
9000         * doc/extend.texi: Document crx extensions.
9001         * doc/install.texi: Document crx install.
9002         * doc/invoke.texi: Document crx options.
9003         * doc/md.texi: Document crx constraints.
9004
9005         * config/crx/crx-protos.h: New file.
9006         * config/crx/crx.c: New file.
9007         * config/crx/crx.h: New file.
9008         * config/crx/crx.md: New file.
9009         * config/crx/crx.opt: New file.
9010         * config/crx/t-crx: New file.
9011
9012 2005-07-22  Manfred Hollstein  <mh@suse.com>
9013
9014         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9015         warnings.
9016         (int_add_graph_edge): Likewise.
9017         (collapse_nodes): Likewise.
9018         (process_unification_queue): Likewise.
9019
9020 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9021             Laurent GUERBY  <laurent@guerby.net>
9022
9023         PR tree-optimization/22336
9024         * function.c (record_block_change): Check for
9025         cfun->ib_boundaries_block.
9026
9027 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9028
9029         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9030         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9031
9032 2005-07-21  DJ Delorie  <dj@redhat.com>
9033
9034         * toplev.c (warn_deprecated_use): Add warning control to warning
9035         call.
9036         * c-typeck.c (parser_build_binary_op): Likewise.
9037         (c_finish_if_stmt): Likewise.
9038         * c-common.c (check_function_sentinel): Likewise.
9039         (check_nonnull_arg): Likewise.
9040
9041 2005-07-21  Richard Henderson  <rth@redhat.com>
9042
9043         PR tree-opt/22504
9044         * tree-complex.c (complex_ssa_name_components): New.
9045         (cvc_lookup): Allow entry not found.
9046         (create_components): Remove.
9047         (create_one_component_var, get_component_var): New.
9048         (get_component_ssa_name, set_component_ssa_name): New.
9049         (extract_component): Use get_component_ssa_name.
9050         (update_complex_components): Use set_component_ssa_name.
9051         (update_complex_components_on_edge): Likewise.
9052         (update_phi_components): Create new PHI nodes directly, instead
9053         of adding insns to edges.
9054         (tree_lower_complex): Allocate and free complex_variable_components
9055         and complex_ssa_name_components here.
9056
9057 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9058
9059         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9060         revert to returning false.
9061
9062 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9063
9064         PR target/21149
9065         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9066
9067 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9068
9069         PR target/22576
9070         * config/i386/i386.md (cmpxf): Change operand constraints
9071         to "nonmemory_operand".
9072
9073 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9074
9075         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9076
9077 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9078
9079         PR middle-end/21180
9080         * fold-const.c (fold_build1): Add checksum for the operands.
9081         (fold_build2): Likewise.
9082         (fold_build3): Likewise.
9083
9084 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9085
9086         PR middle-end/19055
9087         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9088
9089 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9090
9091         * common.opt (-fforward-propagate): Committed by mistake,
9092         removed.
9093
9094 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9095
9096         * reg-stack.c: Fix comment typo(s).
9097         * tree-ssa-operands.c: Likewise.
9098         * tree-vectorizer: Likewise.
9099
9100 2005-07-21  Nick Clifton  <nickc@redhat.com>
9101
9102         * config/sh/symbian.c: Replace C++ style line comments with C
9103         style line comments.
9104         (symbian_add_attribute): Do not use a ? operator on the LHS of
9105         an assignment.
9106         (sh_symbian_handle_dll_attribute): Change the type of the
9107         method vector to "VEC(tree,gc)*" and use vector accessor
9108         macros to walk over the elements.
9109         (symbian_export_vtable_and_rtti_p): Likewise.
9110         (symbian_class_needs_attribute_p): Likewise.
9111
9112 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9113
9114         PR target/22085
9115         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9116         initialize targetm.resolve_overloaded_builtin here.
9117         (altivec_expand_overloaded_builtin): Make it non-static.
9118         * config/rs6000/rs6000-protos.h
9119         (altivec_expand_overloaded_builtin): New prototype.
9120         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9121         targetm.resolve_overloaded_builtin here.
9122         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9123
9124 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9125             Zdenek Dvorak  <dvorakz@suse.cz>
9126
9127         PR tree-optimization/19210
9128         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9129         New.
9130         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9131         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9132         rely on unproven assumptions.
9133         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9134         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9135         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9136         to number_of_iterations_exit.
9137         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9138         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9139         * tree-ssa-loop-niter.c (find_loop_niter,
9140         estimate_numbers_of_iterations_loop): Likewise.
9141         (number_of_iterations_exit): Honor the new options.
9142         * doc/invoke.texi (Wunsafe-loop-optimizations,
9143         funsafe-loop-optimizations): Document them.
9144
9145 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9146
9147         PR rtl-optimization/22167
9148         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9149
9150 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9151
9152         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9153         __do_global_dtors_aux longcall.
9154
9155 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9156
9157         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9158         (old_special_pred_table): Don't reference
9159         SPECIAL_MODE_PREDICATES.
9160         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9161         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9162         * config/sh/predicates.h: Don't mention
9163         SPECIAL_MODE_PREDICATES.
9164         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9165         Remove.
9166
9167 2005-07-20  DJ Delorie  <dj@redhat.com>
9168
9169         * config.gcc: Add m32c-elf support.
9170
9171         * doc/contrib.texi: Mention m32c.
9172         * doc/extend.texi: Document m32c extensions.
9173         * doc/install.texi: Mention m32c.
9174         * doc/invoke.texi: Document m32c options.
9175         * doc/md.texi: Document m32c constraints.
9176
9177         * config/m32c/addsub.md: New file.
9178         * config/m32c/bitops.md: New file.
9179         * config/m32c/cond.md: New file.
9180         * config/m32c/jump.md: New file.
9181         * config/m32c/m32c-lib1.S: New file.
9182         * config/m32c/m32c-lib2.c: New file.
9183         * config/m32c/m32c-modes.def: New file.
9184         * config/m32c/m32c-pragma.c: New file.
9185         * config/m32c/m32c-protos.h: New file.
9186         * config/m32c/m32c.abi: New file.
9187         * config/m32c/m32c.c: New file.
9188         * config/m32c/m32c.h: New file.
9189         * config/m32c/m32c.md: New file.
9190         * config/m32c/m32c.opt: New file.
9191         * config/m32c/minmax.md: New file.
9192         * config/m32c/mov.md: New file.
9193         * config/m32c/muldiv.md: New file.
9194         * config/m32c/predicates.md: New file.
9195         * config/m32c/prologue.md: New file.
9196         * config/m32c/shift.md: New file.
9197         * config/m32c/t-m32c: New file.
9198
9199 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9200
9201         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9202         (stack_protect_set, stack_protect_test): New expanders.
9203         (stack_protect_set_si, stack_protect_set_si_media,
9204         stack_protect_set_di_media, stack_protect_test_si,
9205         stack_protect_test_si_media, stack_protect_test_di_media):
9206         New insns.
9207
9208 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9209
9210         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9211
9212 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9213
9214         * tree.h (tree_expr_nonzero_p): Export.
9215         * fold-const.c (tree_expr_nonzero_p): Likewise.
9216         Return true for CALL_EXPRs that are alloca calls.
9217         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9218         against zero.
9219         * tree-flow.h (expr_computes_nonzero): Remove.
9220         * tree-vrp.c (expr_computes_nonzero): Remove.
9221         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9222         (extract_range_from_unary_expr): Likewise.
9223         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9224         tree_expr_nonzero_p.
9225
9226 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9227
9228         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9229         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9230         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9231         All callers changed.
9232         (frame_related_constant_load): New arg "related" which controls
9233         setting of RTX_FRAME_RELATED_P.  All callers changed.
9234         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9235         (bfin_expand_prologue): Add stack limit checking.
9236         * config/bfin/bfin.md (trapifcc): New pattern.
9237
9238         * config/bfin/bfin.c: Include "langhooks.h".
9239         (def_builtin): Go through lang_hooks to call builtin_function.
9240
9241         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9242         * config/bfin/predicates.md (symbol_ref_operand): New.
9243         (call_insn_operand): Delete.  All callers changed to use
9244         register_no_elim_operand.
9245         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9246         call_cookie field.
9247         (function_arg): Use it to generate the call's operand 2.
9248         (bfin_longcall_p): New function.
9249         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9250         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9251         determine if the address needs to be in a REG.
9252         (bfin_handle_longcall_attribute): New function.
9253         (bfin_attribute_table): Add "longcall" and "shortcall".
9254         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9255         (CUMULATIVE_ARGS): New member call_cookie.
9256         (PREDICATE_CODES): Add symbol_ref_operand.
9257         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9258         extra USE to the pattern.
9259         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9260         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9261         sibcall_value_insn; now the new patterns handle direct calls and the
9262         old ones indirect calls.
9263         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9264
9265 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9266
9267         * doc/trouble.texi: Update section on handling of empty loops.
9268
9269 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9270
9271         * config.gcc: Remove support for sparc-*-openbsd*,
9272         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9273         ns32k-*-netbsd*.
9274         * config.host: Remove support for i860-*-sysv4* as a host.
9275         * config/i860/*, config/ip2k/*, config/ns32k/*,
9276         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9277         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9278         mention obsolete ports.
9279
9280 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9281
9282         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9283         soft frame pointer.
9284         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9285         of frame_pointer_rtx.
9286         (sh_expand_epilogue): Likewise.
9287         (sh_set_return_address): Likewise.
9288         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9289         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9290         offsets from FRAME_POINTER_REGNUM.
9291         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9292         (sh_register_names): Add initializer for sfp.
9293         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9294         (VALID_REGISTER_P): Likewise.
9295         (FIRST_PSEUDO_REGISTER): Update.
9296         (DWARF_FRAME_REGISTERS): Define.
9297         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9298         (HARD_FRAME_POINTER_REGNUM): Define.
9299         (FRAME_POINTER_REGNUM): Redefine.
9300         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9301         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9302         from FRAME_POINTER_REGNUM.
9303         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9304         FRAME_POINTER_REGNUM.
9305         (REG_CLASS_CONTENTS): Add sfp.
9306         (REG_ALLOC_ORDER): Likewise.
9307         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9308         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9309         of frame_pointer_rtx.
9310         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9311
9312 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9313
9314         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9315         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9316         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9317         of an ABS_EXPR.
9318         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9319         ABS_EXPR<x>.
9320
9321 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9322
9323         Make CONSTRUCTOR use VEC to store initializers.
9324         * c-common.c (complete_array_type): Update to cope with VEC in
9325         CONSTRUCTOR_ELTS.
9326         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9327         (pp_c_constructor_elts): New function.
9328         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9329         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9330         struct constructor_stack, struct initializer_stack,
9331         constructor_elements, push_init_level, pop_init_level,
9332         add_pending_init, find_init_member, output_init_element): Update to
9333         cope with VEC in CONSTRUCTOR_ELTS.
9334         * coverage.c (build_fn_info_value, build_ctr_info_value,
9335         build_gcov_info): Likewise.
9336         * expr.c (categorize_ctor_elements_1, store_constructor,
9337         expand_expr_real_1): Likewise.
9338         * fold-const.c (fold_ternary): Likewise.
9339         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9340         gimplify_init_constructor, gimplify_expr): Likewise.
9341         * tree-dump.c (dequeue_and_dump): Likewise.
9342         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9343         node.
9344         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9345         CONSTRUCTOR_ELTS.
9346         * tree-sra.c (generate_element_init_1): Likewise.
9347         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9348         * tree-ssa-operands.c (get_expr_operands): Likewise.
9349         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9350         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9351         (get_initial_def_for_reduction): Likewise.
9352         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9353         value handle in annotations.
9354         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9355         tree_node_structure): Add support for constr_kind.
9356         (build_vector_from_ctor, build_constructor_single,
9357         build_constructor_from_list): New functions.
9358         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9359         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9360         Update to cope with VEC in CONSTRUCTOR_ELTS.
9361         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9362         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9363         CONSTRUCTOR_APPEND_ELT): New macros.
9364         (struct constructor_elt, struct tree_constructor): New data types.
9365         (union tree_node): Add tree_constructor field.
9366         * treestruct.def: Define TS_CONSTRUCTOR.
9367         * varasm.c (const_hash_1, compare_constant, copy_constant,
9368         compute_reloc_for_constant, output_addressed_constants,
9369         initializer_constant_valid_p, output_constant,
9370         array_size_for_constructor, output_constructor): Update to cope with
9371         VEC in CONSTRUCTOR_ELTS.
9372         * vec.h (VEC_empty, VEC_copy): New macros.
9373
9374 2005-07-19  Devang Patel  <dpatel@apple.com>
9375
9376         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9377
9378 2005-07-19  Richard Henderson  <rth@redhat.com>
9379
9380         PR tree-opt/22278
9381         * gimplify.c (gimplify_expr): Use main variant type for the temp
9382         destination for a discarded volatile read.
9383         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9384         casts between non-void types that change volatility.
9385
9386 2005-07-15  DJ Delorie  <dj@redhat.com>
9387
9388         * toplev.h: Add comment about the first parameter for warning().
9389         * errors.h: Likewise.
9390
9391         * c.opt (Wpragmas): New.
9392         * doc/invoke.texi: Document it.
9393
9394         * function.c (do_warn_unused_parameter): Add warning control to
9395         warning call.
9396         * c-decl.c (warn_if_shadowing): Likewise.
9397         * c-lex.c (cb_def_pragma): Likewise.
9398         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9399         (pop_alignment): Likewise.
9400         (handle_pragma_pack): Likewise.
9401         (apply_pragma_weak): Likewise.
9402         (handle_pragma_weak): Likewise.
9403         (handle_pragma_redefine_extname): Likewise.
9404         (add_to_renaming_pragma_list): Likewise.
9405         (handle_pragma_extern_prefix): Likewise.
9406         (maybe_apply_renaming_pragma): Likewise.
9407         (handle_pragma_visibility): Likewise.
9408
9409         * config/c4x/c4x-c.c (BAD): Likewise.
9410         (c4x_parse_pragma): Likewise.
9411         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9412         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9413         (rs6000_pragma_longcall): Likewise.
9414         * config/v850/v850-c.c (pop_data_area): Likewise.
9415         (ghs_pragma_section): Likewise.
9416         (ghs_pragma_section): Likewise.
9417         (ghs_pragma_interrupt): Likewise.
9418         (ghs_pragma_starttda): Likewise.
9419         (ghs_pragma_startsda): Likewise.
9420         (ghs_pragma_startzda): Likewise.
9421         (ghs_pragma_endtda): Likewise.
9422         (ghs_pragma_endsda): Likewise.
9423         (ghs_pragma_endzda): Likewise.
9424
9425 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9426             Kenneth Zadeck <zadeck@naturalbridge.com>
9427
9428         * Makefile.in: Removed tree-promote-statics.c
9429         * tree-promote-statics.c: Removed.
9430         * common.opt: Removed flag-promote-statics.
9431         * opts.c: Ditto.
9432         * passes.c: Removed tree-promote-statics pass.
9433         * tree-pass.h: Ditto.
9434         * timevar.def: Removed TV_PROMOTE_STATICS.
9435
9436
9437 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9438
9439         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9440         and *-*-freebsd9.
9441         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9442
9443 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9444
9445         PR c/22476
9446         * c-common.c (check_function_arguments): Call
9447         'check_function_format' if either -Wformat or
9448         -Wmissing-format-attribute are specified.
9449         * c-format.c (check_function_format): Check -Wformat before
9450         calling 'check_format_info'.
9451         * c-opts.c (c_common_post_options): Don't warn for
9452         -Wmissing-format-attribute without -Wformat.
9453         * c-typeck.c (convert_for_assignment): Detect additional cases for
9454         -Wmissing-format-attribute.
9455         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9456         behavior.
9457
9458 2005-07-19  Richard Guenther  <rguenther@suse.de>
9459
9460         * config/i386/i386.md (lrint<mode>2): Use temporary
9461         instead of clobbering non-existent memory.
9462
9463 2005-07-19  Nick Clifton  <nickc@redhat.com>
9464
9465         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9466         statement to avoid displaying ASCII control characters.
9467
9468 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9469
9470         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9471         * cfganal.c (find_edge_index): Ditto.
9472         * combine.c (combine_instructions): Ditto.
9473         * ddg.c (create_scc): Ditto.
9474         (find_successors): Ditto.
9475         (find_predecessors): Ditto.
9476         (find_nodes_on_paths): Ditto.
9477         (longest_simple_path): Ditto.
9478         * flow.c (update_life_info): Ditto.
9479         (count_or_remove_death_notes): Ditto.
9480         (clear_log_links): Ditto.
9481         * modulo-sched.c (generate_reg_moves): Ditto.
9482         (find_max_asap): Ditto.
9483         (find_max_hv_min_mob): Ditto.
9484         (find_max_dv_min_mob): Ditto.
9485         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9486         * sched-rgn.c (extract_edgelst): Ditto.
9487         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9488         (dump_update_ssa): Ditto.
9489         (ssa_names_to_replace) Ditto.
9490         (switch_virtuals_to_full_rewrite): Ditto.
9491         (update_ssa): Ditto.
9492         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9493
9494 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9495
9496         Fix PR tree-optimization/22483
9497
9498         * tree-complex.c (create_components): Use
9499         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9500         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9501         * tree-flow.h (safe_referenced_var_iterator): New structure.
9502         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9503         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9504         safe_referenced_var iterator.
9505         (add_type_alias): Ditto.
9506
9507 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9508
9509         * loop-init.c (rest_of_handle_loop2): Remove.
9510         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9511         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9512         (pass_rtl_loop_init, pass_rtl_loop_done,
9513         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9514         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9515         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9516         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9517         pass_tree_loop_done, and pass_tree_unswitch.
9518         (gate_loop): Rename to gate_tree_loop.
9519         * passes.c (init_optimization_passes): Update for renamed tree
9520         loop passes.  Add the new loop2 passes as subpasses of loop2.
9521         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9522         Update for the renamed tree loop passes.
9523
9524 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9525
9526         PR middle-end/22057
9527         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9528         blocks when optimizing.
9529
9530 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9531
9532         * common.opt (frename-registers): Initialize to 2.
9533         (fweb): Ditto.
9534         (fgcse-after-reload): Ditto.
9535         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9536         (process_options): Only change flag_web, flag_rename_registers,
9537         and flag_rerun_cse_after_loop if not explicitly set by user.
9538
9539 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9540
9541         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9542         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9543         in 64-bit mode the same as DImode in 32-bit mode.
9544         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9545         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9546         mode. Add new mode parameter.
9547         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9548         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9549         x86_64_shift_adj): New expanders.
9550         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9551         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9552         insns.
9553         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9554         DImode shift splitters.
9555         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9556         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9557         mode parameter.
9558
9559 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9560
9561         * i386.md (movdi_extzv_1): New.
9562         (zero_extendhidi2): Combine alternatives and never force use of
9563         REX64 prefix.
9564         (zero_extendqidi2): Likewise. Don't restrict input selection.
9565
9566 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9567
9568         Fix PR tree-optimization/22531
9569         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9570          moment.
9571
9572 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9573
9574         * tree-promote-statics.c (pass_promote_statics): Change dump file
9575          name.
9576
9577 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9578
9579         * tree-optimize.c (init_tree_optimization_passes): Add
9580         pass_eliminate_useless_stores pass.
9581         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9582         * tree-ssa-pre.c (is_copy_stmt): New function.
9583         (follow_copies_till_vuse): Ditto.
9584         (do_eustores): Ditto.
9585         (gate_eustores): Ditto.
9586
9587 2005-07-16  Richard Henderson  <rth@redhat.com>
9588
9589         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9590
9591 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9592            Kenneth Zadeck <zadeck@naturalbridge.com>
9593
9594         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9595         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9596         ipa-type-escape.h, tree-promote-statics.c
9597         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9598         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9599         tree-promote-statics.c: new files.
9600         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9601         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9602         int nonlocal_set_p, mark_constant_function): Deleted.
9603         (rest_of_handle_cfg): Removed call to mark_constant_function.
9604         (nonoverlapping_component_refs_p): Added calls to support
9605         type based aliasing.
9606         * tree-ssa-alias.c (may_alias_p,
9607         compute_flow_insensitive_aliasing): Ditto.
9608         * calls.c (flags_from_decl_or_type): Removed reference to
9609         cgraph_rtl_info.
9610         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9611         too many arguments.  This is necessary for Spec 2000.
9612         * cgraph.h (const_function, pure_function): Removed.
9613         * common.opt: Added "fipa-pure-const", "fipa-reference",
9614         "fipa-type-escape", and "ftree-promote-static".
9615         * opts.c: Ditto.
9616         * passes.c: Added ipa and tree-promote-statics passes.
9617         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9618         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9619         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9620         * tree-flow.h: Added exposed sra calls and addition of
9621         reference_vars_info field for FUNCTION_DECLS.
9622         * tree-pass.h: Added passes.
9623         * tree-sra.c: (sra_init_cache): New function.
9624         (sra_insert_before, sra_insert_after) Made public.
9625         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9626         and made public.
9627         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9628         aliasing. (may_alias_p): Added code to use type escape analysis to
9629         improve alias sets.
9630         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9631         code to prune clobbers of static variables based on information
9632         produced in ipa-reference pass.  Changed call clobbering so that
9633         statics are not marked as clobbered if the call does not clobber
9634         them.
9635
9636 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9637
9638         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9639         too.
9640
9641 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9642
9643         * doc/install.texi (*-*-solaris2*): Document recommended version
9644         of GNU binutils and mention GNU linker problem on Solaris 10.
9645
9646 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9647
9648         PR c/22421
9649         * c-decl.c (c_build_bitfield_integer_type): New function.
9650         (finish_struct): Call it.
9651         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9652
9653 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9654
9655         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9656         before returning.
9657
9658 2005-07-16  Jan Hubicka  <jh@suse.cz>
9659
9660         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9661         (scale_bbs_frequencies_int): Watch roundoff errors.
9662         * predict.c (return_prediction): Initialize return_stmt.
9663
9664 2005-07-16  Jan Hubicka  <jh@suse.cz>
9665
9666         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9667         after RTL profiling.
9668
9669 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9670
9671         PR middle-end/22398
9672         * fold-const.c (build_range_check): Convert high/low to etype
9673         if we are only comparing against exp.
9674
9675 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9676
9677         Fix PR tree-optimization/22376
9678         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9679         special var here.
9680         (need_to_solve): New function.
9681         (compute_points_to_sets): Use it.
9682
9683 2005-07-15  Jan Hubicka  <jh@suse.cz>
9684
9685         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9686         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9687
9688 2005-07-15  Richard Guenther  <rguenther@suse.de>
9689
9690         * c-common.c (handle_flatten_attribute): New function.
9691         Add flatten function attribute.
9692         * doc/extend.texi: Document flatten function attribute.
9693         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9694         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9695         New functions.
9696         (cgraph_decide_inlining): Handle functions with flatten
9697         attribute.
9698
9699 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9700
9701         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9702         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9703         UNSPEC_XCHG, UNSPEC_AND): New.
9704         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9705         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9706         * config/rs6000/sync.md (FETCHOP): New code macro.
9707         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9708         New code attrs.
9709         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9710         (sync_compare_and_swap<mode>): Same.
9711         (sync_lock_test_and_set<mode>): Same.
9712         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9713         for QImode and HImode, and not PPC405.
9714         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9715         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9716         (sync_<fetchop>{si,di}_internal): New.
9717         (sync_nand{si,di}_internal): New.
9718         (sync_old_<fetchop>{si,di}_internal): New.
9719         (sync_old_nand{si,di}_internal): New
9720         (sync_new_<fetchop>{si,di}_internal): New.
9721         (sync_new_nand{si,di}_internal): New.
9722         (atomic_and{si,di}): New.
9723         (sync_new_nand{si,di}_internal): New.
9724         (atomic_and{si,di}): New.
9725         (sync_add<mode>_internal): Delete.
9726         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9727         (sync_sub<mode>_internal): Delte.
9728         (sync_subshort_internal): New.
9729         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9730         (sync_anddi_internal): Delete.
9731         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9732         (sync_booldi_internal): Delete.
9733         (sync_boolc<mode>_internal): Delete.
9734         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9735         (sync_boolc<mode>_internal2): Delete.
9736         (sync_boolcc<mode>_internal): Delete.
9737         (isync, lwsync): Use unspec instead of unspec_volatile.
9738         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9739         Revert UNSPEC_VOLATILE.
9740         (rs6000_split_atomic_op): New.
9741         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9742
9743 2005-07-14  Eric Christopher  <echristo@redhat.com>
9744
9745         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9746         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9747
9748 2005-07-14  Eric Christopher  <echristo@redhat.com>
9749
9750         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9751
9752 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9753
9754         PR tree-optimization/22230
9755         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9756         the computation of the four cross productions for "range op range".
9757
9758 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9759             Ulrich Weigand  <uweigand@de.ibm.com>
9760
9761         PR target/20126
9762         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9763         in some insn.
9764
9765 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9766
9767         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9768
9769 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9770
9771         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9772
9773 2005-07-14  Richard Guenther  <rguenther@suse.de>
9774
9775         PR middle-end/22347
9776         * config/i386/i386-protos.h (ix86_function_value): Change
9777         prototype to match new target hook.
9778         * config/i386/i386.c (ix86_value_regno): Change prototype
9779         to take extra type argument.
9780         (TARGET_FUNCTION_VALUE): Define.
9781         (ix86_function_ok_for_sibcall): Pass extra argument to
9782         ix86_value_regno, check return slot rtx for exact match.
9783         (ix86_function_value): Take extra parameter.  Dispatch to
9784         ix86_value_regno with fndecl/fntype as provided.
9785         (ix86_value_regno): Handle extra type argument.
9786         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9787
9788         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9789         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9790         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9791         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9792         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9793
9794 2005-07-14  Richard Guenther  <rguenther@suse.de>
9795
9796         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9797         * calls.c (expand_call): Pass fntype to hard_function_value.
9798         (emit_library_call_value_1): Likewise.
9799         * explow.c: Include target.h.
9800         (hard_function_value): Take extra argument, the fntype.
9801         Use new target hook for function_value.
9802         * expr.h (hard_function_value): Change prototype.
9803         * function.c (aggregate_value_p): Pass 0 as fntype to
9804         hard_function_value.
9805         (assign_parms): Use new target hook for function_value.
9806         Pass 0 as fntype to hard_function_value.
9807         (expand_function_end): Likewise.
9808         * reg-stack.c: Include target.h.
9809         (stack_result): Use new target hook for function_value.
9810         * target-def.h: New target hook function_value.
9811         * target.h: Likewise.
9812         * targhooks.c (default_function_value): New function.
9813         * targhooks.h (default_function_value): Declare.
9814
9815 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9816
9817         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9818
9819 2005-07-14  Jan Hubicka  <jh@suse.cz>
9820
9821         * tree-dfa.c (dump_variable): Use default_def function.
9822         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9823         * tree-ssa.c (verify_use): Likewise.
9824         * tree-ssanames.c (release_ssa_name): Likewise.
9825         * tree-tailcall.c (eliminate_tail_call): Likewise.
9826         (tree_optimize_tail_calls_1): Likewise.
9827         * tree-vrp.c (get_value_range): Likewise.
9828
9829 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9830
9831         * gcc.c (main): Compare language[0] with '*' when iterating over
9832         the infiles.
9833
9834 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9835
9836         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9837         "s390_emit_compare".  Add handling of CCZ1mode.
9838         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9839         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9840         checking.
9841         (s390_branch_condition_mask): Add CCZ1mode handling.
9842         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9843         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9844         Use CCZ1mode instead of CCZmode.
9845         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9846
9847 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9848
9849         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9850         pattern.
9851         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9852
9853 2005-07-13  Eric Christopher  <echristo@redhat.com>
9854
9855         * config/mips/mips.c (mips_canonicalize_comparison): New.
9856         (mips_emit_int_relational): Use.
9857
9858 2005-07-13  Eric Christopher  <echristo@redhat.com>
9859
9860         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9861         static extra parts.
9862         * config/s390/s390.md: Include tpf.md. Move tpf specific
9863         patterns...
9864         * config/s390/tpf.md: To here.
9865         * config/s390/s390.opt: Move tpf specific options...
9866         * config/s390/tpf.opt: to here. Add mmain option.
9867         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9868         * config/s390/tpf.h: Rewrite.
9869
9870 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9871
9872         * doc/tm.texi: Remove @xref{Cross-profiling}.
9873
9874 2005-07-13  Jeff Law  <law@redhat.com>
9875
9876         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9877         expressions, test their _DECL operands for pointer equality rather
9878         than using operand_equal_p.
9879
9880 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9881
9882         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9883         (TARGET_POSIX_IO): This.
9884         * config/darwin.h: Likewise.
9885         * config/freebsd.h: Likewise.
9886         * config/linux.h: Likewise.
9887         * config/lynx.h: Likewise.
9888         * config/netbsd.h: Likewise.
9889         * config/rs6000/linux64.h: Likewise.
9890         * config/rs6000/linux.h: Likewise.
9891         * config/s390/tpf.h: Likewise.
9892         * config/sh/embed-elf.h: Likewise.
9893         * config/sparc/linux64.h: Likewise.
9894         * config/sparc/linux.h: Likewise.
9895         * config/svr4.h: Likewise.
9896         * gcov-io.h: Likewise.
9897
9898         * doc/tm.texi: Updated.
9899
9900         * libgcov.c (create_file_directory): Defined only if
9901         TARGET_POSIX_IO is defined.
9902         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9903         is defined.
9904
9905 2005-07-13  Jan Hubicka  <jh@suse.cz>
9906
9907         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9908
9909 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9910
9911         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9912         structure as argument.
9913
9914 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9915
9916         PR tree-optimization/21921
9917         * tree-iterator.c (tsi_link_before): Support the case when
9918         tsi_end_p (tsi) == true.
9919
9920 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9921
9922         PR tree-optimization/22442
9923         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9924         correctly.
9925
9926 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9927
9928         PR rtl-optimization/20376
9929         * toplev.c (process_options): Enable -fweb and -frename-registers when
9930         unrolling.
9931         * doc/invoke.texi: Update the information about when -fweb and
9932         -frename-registers are enabled.
9933
9934 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9935
9936         PR tree-opt/21840
9937         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9938         if *rhs_p is not a SSA_NAME.
9939
9940 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9941
9942         Fix PR tree-optimization/22422
9943         * tree-ssa-structalias.c (struct variable_info): Add flag for
9944         special vars.
9945         (get_varinfo): Now a static function.
9946         (new_varinfo): init has_union and is_special_var to false.
9947         (solution_set_add): Check has_union.
9948         (do_da_constraint): Move temporary variable so it gets reset
9949         properly.
9950         Also check for special variable.
9951         (do_ds_constraint): Ditto.
9952         (do_sd_constraint): Ditto.
9953         (do_structure_copy): Check for special variable.
9954         (find_func_aliases): Ditto.
9955         (init_base_vars): Set special vars properly.
9956
9957 2005-07-13  Jan Hubicka  <jh@suse.cz>
9958
9959         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9960         do unit-at-a-time.
9961
9962         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9963         (get_expr_operands): Fix thinko wrt flags and subvars.
9964
9965         PR tree-optimize/22379
9966         * tree-inline.c (expand_call_inline): Do not output sorry in early
9967         inlining.
9968
9969 2005-07-12  Dale Johannesen  <dalej@apple.com>
9970
9971         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9972
9973 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9974
9975         PR bootstrap/21704
9976         * host-linux.h: Include limits.h.
9977
9978 2005-07-12  Dale Johannesen  <dalej@apple.com>
9979
9980         * expr.c (compress_float_constant):  Add cost check.
9981         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9982
9983 2005-07-12  Dale Johannesen  <dalej@apple.com>
9984
9985         * gcc.target/i386/compress-float-sse.c:  New.
9986         * gcc.target/i386/compress-float-sse-pic.c:  New.
9987         * gcc.target/i386/compress-float-387.c:  New.
9988         * gcc.target/i386/compress-float-387-pic.c:  New.
9989         * gcc.dg/compress-float-ppc.c:  New.
9990         * gcc.dg/compress-float-ppc-pic.c:  New.
9991
9992 2005-07-12  Eric Christopher  <echristo@redhat.com>
9993
9994         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9995         static extra parts.
9996         * config/s390/s390.md: Include tpf.md. Move tpf specific
9997         patterns...
9998         * config/s390/tpf.md: To here.
9999         * config/s390/s390.opt: Move tpf specific options...
10000         * config/s390/tpf.opt: to here. Add mmain option.
10001         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10002         * config/s390/tpf.h: Rewrite.
10003
10004 2005-07-12  Eric Christopher  <echristo@redhat.com>
10005
10006         * gcc.c (struct infile): Update comment for language.
10007         (main): Rewrite input file resetting code.
10008
10009 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10010
10011         PR tree-opt/22335
10012         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10013         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10014         (lookup_avail_expr): Use constant_boolean_node instead
10015         of boolean_false_node/boolean_true_node.
10016
10017 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10018
10019         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10020         and use it when printing num_edges.
10021
10022 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10023
10024         * doc/extend.texi (Blackfin Built-in Functions): New section.
10025         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10026         @opindex.
10027
10028 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10029
10030         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10031         s/cmpstrsi/cmpstrnsi
10032         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10033         'cmpstrnsi'.
10034         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10035         (init_optabs): Initialize cmpstrn_optab.
10036         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10037         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10038         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10039         * config/i386/i386.md: s/cmpstr/cmpstrn
10040         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10041         * doc/md.texi: Update documentation.
10042
10043 2005-07-11  Richard Henderson  <rth@redhat.com>
10044
10045         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10046         build_va_arg_indirect_ref.
10047         (alpha_gimplify_va_arg): Likewise.
10048         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10049         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10050         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10051         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10052         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10053         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10054         Likewise.
10055         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10056
10057 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10058
10059         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10060         * passes.c (init_optimization_passes): Add pass_empty_loop.
10061         * tree-pass.h (pass_empty_loop): Declare.
10062         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10063         try_remove_empty_loop, remove_empty_loops): New functions.
10064         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10065         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10066
10067 2005-07-12  Peter Barada  <peter@the-baradas.com>
10068
10069         PR middle-end/16719
10070         PR middle-end/18421
10071         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10072         in address registers.
10073         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10074         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10075         alternative of addsi3_5200.
10076
10077 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10078
10079         * config/mips/mips.md (ffs<mode>2): Remove.
10080
10081 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10082
10083         * doc/tree-ssa.texi (Cleanups): Improve description of
10084         TRY_FINALLY_EXPR.
10085         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10086
10087 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10088
10089         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10090         * tree.h (DECL_ARGUMENT_FLD): New macro.
10091
10092 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10093
10094         Fix PR tree-optimization/22404
10095
10096         * tree-ssa-structalias.c (create_variable_info_for): Use
10097         correct offset.
10098
10099 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10100
10101         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10102         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10103         for second comparison operand.
10104         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10105
10106         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10107         (define_insn_reservation "alu"): Likewise.
10108         (csync, ssync): Now of type sync.
10109         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10110         -mcsync-anomaly -mspecld-anomaly.
10111         * config/bfin/bfin.opt (mcsync): Remove.
10112         (mcsync-anomaly, mspecld-anomaly): Add.
10113         * config/bfin/bfin.c: Include "insn-codes.h".
10114         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10115         (TARGET_DEFAULT_TARGET_FLAGS): New.
10116         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10117
10118 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10119
10120         * basic-block.h: Give the BB flags enum a name, bb_flags.
10121         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10122         * cfgcleanup.c (enum bb_flags): Remove here.
10123         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10124         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10125         (update_forwarder_flag): Likewise.
10126         (thread_jump): Likewise.
10127         (try_forward_edges): Likewise.
10128         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10129         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10130         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10131
10132 2005-07-11  Richard Guenther  <rguenther@suse.de>
10133
10134         * config/i386/i386.opt: New target option -msseregparm.
10135         * config/i386/i386.c (override_options): Error out for
10136         -msseregparm but no SSE support.
10137         (ix86_function_sseregparm): Check for global sseregparm.
10138         * doc/invoke.texi: Document -msseregparm.
10139
10140 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10141
10142         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10143         (m32rle-*-linux*): Ditto.
10144
10145 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10146
10147         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10148         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10149         bytes.
10150
10151 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10152
10153         PR middle-end/22239
10154         PR target/20126
10155         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10156         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10157
10158 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10159
10160         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10161         (varmap): Heapify varmap.
10162         (constraints): Heapify constraints.
10163         (struct constraint_graph): Heapify succs and preds.
10164         (constraint_vec_find): Update for heapification.
10165         (constraint_set_union): Ditto.
10166         (insert_into_complex): Ditto.
10167         (constraint_edge_vec_find): Ditto.
10168         (erase_graph_self_edge): Ditto.
10169         (add_graph_edge): Ditto.
10170         (get_graph_weights): Ditto.
10171         (merge_graph_nodes): Ditto.
10172         (build_constraint_graph): Ditto.
10173         (topo_visit): Ditto.
10174         (solve_graph): Ditto.
10175         (create_variable_info_for): Ditto.
10176         (init_base_vars): Ditto.
10177         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10178         (condese_varmap_nodes): Free complex vector.
10179         (clear_edges_for_node): Clear succs and preds vector.
10180
10181 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10182
10183         * tree-ssa-structalias.c (update_alias_info): Change counting of
10184         references to not include vdefs.
10185
10186 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10187
10188         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10189         (up_insert): Ditto.
10190
10191 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10192
10193         * pa.c (pa_commutative_p): Make PLUS commutative when
10194         TARGET_NO_SPACE_REGS is true.
10195
10196 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10197
10198         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10199         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10200         * tree-dfa.c (dump_subvars_for): New.
10201         (debug_subvars_for): New.
10202         (dump_variable): Show subvariables if VAR has them.
10203         * tree-flow-inline.h (get_subvar_at): New.
10204         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10205         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10206         Update all users.
10207         (struct subvar): Change fields offset and size to unsigned
10208         HOST_WIDE_INT.
10209         (dump_subvars_for): Declare.
10210         (debug_subvars_for): Declare.
10211         (get_subvar_at): Declare.
10212         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10213         to unsigned HOST_WIDE_INT *.
10214         (overlap_subvar): Likewise.
10215         * tree-gimple.c (is_gimple_reg): Always return false for
10216         SFTs and memory tags.
10217         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10218         Update all callers.
10219         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10220         (compute_may_aliases): Call compute_points_to_sets.
10221         (collect_points_to_info_for): Remove.
10222         (compute_points_to_and_addr_escape): Remove.
10223         (delete_alias_info): Call delete_points_to_sets.
10224         (compute_flow_sensitive_aliasing): If the call to
10225         find_what_p_points_to returns false, call set_pt_anything.
10226         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10227         (set_pt_anything): Clear pi->pt_vars.
10228         (set_pt_malloc): Remove.
10229         (merge_pointed_to_info): Remove.
10230         (add_pointed_to_expr): Remove.
10231         (add_pointed_to_var): Remove.
10232         (collect_points_to_info_r): Remove.
10233         (is_escape_site): Make extern.
10234         (create_sft): New.
10235         (create_overlap_variables_for): Call it.
10236         * tree-ssa-copy.c (merge_alias_info): Never merge
10237         flow-sensitive alias information.
10238         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10239         offset and size to be unsigned HOST_WIDE_INT.
10240         (add_to_addressable_set): Rename from note_addressable.
10241         Set TREE_ADDRESSABLE as the variables are added to the set.
10242         Update all users.
10243         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10244         operands into VUSEs when adding V_MAY_DEFs for members in an
10245         alias set.
10246         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10247         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10248         (struct variable_info): Add bitfield is_heap_var.
10249         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10250         (new_var_info): Initialize is_heap_var.
10251         (get_constraint_for): Add HEAP variables to the symbol table.
10252         Mark them with is_heap_var.
10253         (update_alias_info): New.  Taken mostly from the old
10254         compute_points_to_and_addr_escape.
10255         (handle_ptr_arith): New.
10256         (find_func_aliases): Call update_alias_info.
10257         Call handle_ptr_info for tcc_binary expressions.
10258         Call mark_stmt_modified.
10259         (create_variable_info_for): If DECL has subvars, do not create
10260         variables for its subvars.  Always add all the fields.
10261         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10262         SFTs, then add all the SFTs of the structure.
10263         If VI->DECL is an aggregate with subvariables, add the SFT at
10264         VI->OFFSET.
10265         (find_what_p_points_to): If VI is an artificial variable,
10266         translate to bitfields in SSA_NAME_PTR_INFO.
10267         If the solution is empty, set pi->pt_vars to NULL
10268         (init_base_vars): Create ANYOFFSET.
10269         (compute_points_to_sets): Rename from create_alias_vars.
10270         Make extern.
10271         (pass_build_pta): Remove.
10272         (delete_points_to_sets): Rename from delete_alias_vars.
10273         (pass_del_pta): Remove.
10274         * tree-ssa-structalias.h (struct alias_info): Move from
10275         tree-ssa-alias.h.
10276         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10277         NUM_REFERENCES_SET): Likewise.
10278         (compute_points_to_sets, delete_points_to_sets): Declare.
10279
10280 2005-07-09  Richard Henderson  <rth@redhat.com>
10281
10282         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10283         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10284         alpha_split_lock_test_and_set_12): New functions.
10285         * config/alpha/alpha-protos.h: Update.
10286         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10287         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10288         * config/alpha/sync.md (I12MODE): New.
10289         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10290         (sync_<fetchop_name><I48MODE>): Likewise.
10291         (sync_nand<I48MODE>): Likewise.
10292         (sync_old_<fetchop_name><I48MODE>): Likewise.
10293         (sync_new_<fetchop_name><I48MODE>): Likewise.
10294         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10295         (sync_compare_and_swap<I48MODE>): Likewise.
10296         (sync_lock_test_and_set<I48MODE>): Likewise.
10297         (sync_compare_and_swap<I12MODE>): New.
10298         (sync_compare_and_swap<I12MODE>_1): New.
10299         (sync_lock_test_and_set<I12MODE>): New.
10300         (sync_lock_test_and_set<I12MODE>_1): New.
10301
10302 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10303
10304         PR 21356
10305         PR 22332
10306         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10307
10308 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10309
10310         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10311         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10312
10313 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10314
10315         PR target/21656
10316         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10317
10318 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10319
10320         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10321         memory_operand constraint.
10322         (store_conditional_<mode>): Same.
10323         (sync_compare_and_swap<mode>): Same.
10324         (sync_lock_test_and_set<mode>): Same.
10325
10326 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10327
10328         Rewrite PIC support to more closely model actual instructions.
10329         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10330         (cris_symbol): Remove prototypes for removed functions.
10331         (cris_pic_symbol_type_of, cris_valid_pic_const)
10332         (cris_expand_pic_call_address): Prototypes for new functions.
10333         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10334         variable.
10335         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10336         modifiers.
10337         <case ':'>: Add case for new punctuation character.
10338         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10339         emitting (extra) PIC modifier.
10340         <case UNSPEC>: Do not assert for PLT.
10341         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10342         (cris_expand_prologue, cris_expand_epilogue): Check
10343         for pic_offset_table_rtx usage instead of taking
10344         current_function_uses_pic_offset_table as the final word.
10345         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10346         Remove flag_pic difference.
10347         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10348         the moral equivalents of...
10349         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10350         functions.
10351         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10352         (cris_handle_option): Mark ARG as unused.
10353         (cris_expand_pic_call_address): New worker function for "call",
10354         "call_value".
10355         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10356         output PIC constructs here.
10357         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10358         as symbol-specific modifers, not whole or part of operands.
10359         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10360         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10361         constants and flag_pic.
10362         (CONSTANT_INDEX_P): Adjust for new functions.
10363         (enum cris_pic_symbol_type): New helper type.
10364         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10365         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10366         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10367         define_constants.
10368         ("movsi"): Emit actual instructions for GOT and relative access.
10369         ("*movsi_got_load"): New pattern to set up the register holding
10370         the GOT pointer.
10371         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10372         Adjust FIXME for 'S'.
10373         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10374         Use "movs" for -fpic cases.
10375         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10376         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10377         ("call", "call_value"): Just call cris_expand_pic_call_address for
10378         PIC addresses.
10379         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10380         Remove special pattern.
10381         ("*expanded_call_side", "*expanded_call_value_side"): New
10382         patterns.
10383         (gotplt-to-plt, gotplt-to-plt-side-call)
10384         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10385         peephole2:s.
10386         * config/cris/cris/predicates.md
10387         ("cris_general_operand_or_gotless_symbol"): Remove unused
10388         predicate.
10389         ("cris_general_operand_or_symbol"): Adjust for new functions.
10390
10391 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10392
10393         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10394
10395 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10396
10397         * Makefile.in (TREE_H): Add treestruct.def.
10398         (c-decl.o): Add pointer-set.h
10399         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10400         visibility on regular DECL's.
10401         (merge_decls): Fix the copying of decl nodes of various types for
10402         the new structures.  Don't update RTL, section name, weak status,
10403         etc, on DECL's without RTL.
10404         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10405         Don't check volatile on non-variable types.
10406         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10407         to check whether we have seen arguments.
10408         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10409         flag is checked before field (flag is common, field is not).
10410         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10411         TS_DECL_COMMON could have an origin.
10412         (add_location_or_const_value_attribute): Don't check section name
10413         on non-var/function decls.
10414         (dwarf2out_var_location): Reverse order of tests.
10415         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10416         with DECL_WRTL_CHECK.
10417         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10418         * fold-const.c (fold_binary): Don't check weakness on
10419         non-var/function decls.
10420         (tree_expr_nonzero_p): Ditto.
10421         (fold_checksum_tree): Use tree_decl_extra as sizeof
10422         buffer.
10423         * ggc-page.c (extra_order_size_table): Add sizes for
10424         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10425         tree_field_decl.
10426         * gimplify.c (gimplify_bind_expr): Only set
10427         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10428         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10429         without RTL.
10430         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10431         * langhooks.h (init_ts). New langhook.
10432         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10433         * print-tree.c (print_node): Update to only print fields that
10434         exist in the structures the passed decl has.
10435         * toplev.c (wrapup_global_declarations): Don't reset
10436         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10437         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10438         * tree-inline.c (remap_decl): Ditto.
10439         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10440         * tree-pretty-print.c (print_declaration): Don't print
10441         DECL_REGISTER on things that don't contain it.
10442         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10443         non-var/function decls.
10444         * tree.c (tree_contains_struct): New structure.
10445         (init_priority_for_decl): New hashtable.
10446         (tree_int_map): New structure.
10447         (tree_int_map_eq): New function.
10448         (tree_int_map_marked_p): Ditto.
10449         (tree_int_map_hash): Ditto.
10450         (tree_map): Move to tree.h.
10451         (tree_map_eq): Externalize.
10452         (tree_map_hash): Ditto.
10453         (tree_map_marked_p): Ditto.
10454         (init_ttree): Set up tree_contains_struct and call langhook.
10455         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10456         (tree_code_size): Update for new structures.
10457         (tree_node_structure): Update for new structures.
10458         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10459         without the field.
10460         (copy_node_stat):  Copy init priority.
10461         (build_decl_stat): Ditto for visibility.
10462         (ts_enum_names): New.
10463         (tree_contains_struct_check_failed): New function.
10464         (decl_init_priority_lookup): Ditto.
10465         (decl_init_priority_insert): Ditto.
10466         * treestruct.def: New file.
10467         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10468         (CONTAINS_STRUCT_CHECK): Ditto.
10469         (tree_contains_struct_check_failed): New prototype.
10470         (DECL_CHECK): Removed.
10471         (DECL_MINIMAL_CHECK): New.
10472         (DECL_COMMON_CHECK): Ditto.
10473         (DECL_WRTL_CHECK): Ditto.
10474         (DECL_NON_COMMON_CHECK): Ditto.
10475         (DECL_WITH_VIS_CHECK): Ditto.
10476         (VAR_OR_FUNCTION_DECL_P): Ditto
10477         (struct tree_decl_minimal): New structure.
10478         (struct tree_decl_common): Ditto.
10479         (struct tree_decl_with_rtl): Ditto.
10480         (struct tree_decl_with_vis): Ditto.
10481         (struct tree_decl_non_common): Ditto.
10482         (struct tree_field_decl): Ditto.
10483         (struct tree_parm_decl): Ditto.
10484         (struct tree_var_decl): Ditto.
10485         (struct tree_function_decl): Ditto.
10486         (struct tree_const_decl): Ditto.
10487         (struct tree_result_decl): Ditto.
10488         (union tree_node): Add new structures.
10489         * var-tracking.c (track_expr_p): Reverse order of tests.
10490
10491         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10492
10493 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10494
10495         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10496         * system.h: Poison FINALIZE_PIC.
10497         * doc/tm.texi (FINALIZE_PIC): Remove.
10498
10499 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10500
10501         PR tree-opt/22329
10502         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10503         to the correct type if we have a MODIFY_EXPR.
10504
10505 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10506
10507         PR tree-optimization/22360
10508         * tree.c (upper_bound_in_type): Fix calculations for casting
10509         to a non-wider signed type and casting a signed value to a
10510         wider unsigned type.
10511         (lower_bound_in_type): Fix calculations for casting to a
10512         non-wider signed type.
10513
10514         PR tree-optimization/20139
10515         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10516         release_defs.
10517         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10518         fold_cond_expr_cond.
10519         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10520         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10521
10522 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10523
10524         PR tree-opt/22356
10525         * tree-complex.c (expand_complex_libcall): Produce
10526         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10527
10528 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10529
10530         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10531         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10532         b" assert and inserted fastpath code for this case.
10533         (bitmap_ior): Removed "a != b" assert.
10534
10535 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10536
10537         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10538         (ENDFILE_SPEC): Likewise.
10539         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10540
10541         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10542         a large stack frame at epilogue.
10543
10544 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10545
10546         * final.c: Include sdbout.h when required.
10547
10548 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10549
10550         * config.gcc (*-*-darwin*): Only one target-specific header file
10551         for generic darwin.
10552         (powerpc-*-darwin*): Add version-specific header files.
10553         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10554         * config.in: Regenerate.
10555         * configure: Regenerate.
10556         * gcc.c: Include xregex.h.
10557         (version_compare_spec_function): New.
10558         (spec_function): Add version-compare.
10559         (replace_outfile_spec_function): Reformat comment.
10560         (compare_version_strings): New.
10561         * config/darwin-c.c (version_as_macro): New.
10562         (builtin_define): New.
10563         (darwin_cpp_builtins): New.
10564         * config/darwin-protos.h (darwin_cpp_builtins): New.
10565         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10566         (LIB_SPEC): Make unconditional, update comment.
10567         (TARGET_C99_FUNCTIONS): Define.
10568         * config/darwin.opt: Sort.
10569         (mmacosx-version-min=): New.
10570         * config/darwin7.h: Delete.
10571         * config/darwin8.h: Delete.
10572         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10573         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10574         (TARGET_C99_FUNCTIONS): Define.
10575         * config/rs6000/darwin7.h: New.
10576         * config/rs6000/darwin8.h: New.
10577         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10578         (-mmacosx-version-min): Document.
10579
10580 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10581
10582         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10583
10584 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10585
10586         PR middle-end/22239
10587         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10588
10589 2005-07-07  Khem Raj  <kraj@mvista.com>
10590
10591         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10592         in bytes, not words.
10593
10594 2005-07-07  Paul Brook  <paul@codesourcery.com>
10595
10596         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10597         DEFAULT_FUNCTION_ARG_PADDING to upward.
10598
10599 2005-07-07  Richard Henderson  <rth@redhat.com>
10600
10601         * function.c (locate_and_pad_parm): Record parameter alignment in
10602         stack_alignment_needed.
10603
10604 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10605
10606         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10607         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10608         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10609         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10610         (define_attr "type"): Add isync, sync, load_l, store_c.
10611         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10612         Create scratch volatile MEM.
10613         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10614         sync.
10615         (load_locked_<mode>): New.
10616         (store_conditional_<mode>): New.
10617         (sync_compare_and_swap<mode>): Replace with splitter.
10618         (sync_lock_test_and_set<mode>): Replace with splitter.
10619         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10620         and UNSPECV_ISYNC.
10621         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10622         is ics.  Attribute isync.
10623         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10624         lwsync.
10625         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10626         and UNSPECV_SYNC_OP.
10627         (emit_unlikely_jump): New.
10628         (emit_load_locked): New.
10629         (emit_store_conditional): New.
10630         (rs6000_split_compare_and_swap): New.
10631         (rs6000_split_lock_test_and_set): New.
10632         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10633         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10634         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10635         rs6000_split_lock_test_and_set): Declare.
10636         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10637         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10638         store_c, isync, sync.
10639
10640 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10641
10642         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10643         filenames to gtyp-gen.h.
10644         (s-typ-gen): Use it in place of for loops.
10645
10646 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10647
10648         * hooks.c (hook_bool_rtx_int_false): New function.
10649         * hooks.h (hook_bool_rtx_int_false): Declare.
10650         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10651         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10652         * target.h (struct gcc_target): Add commutative_p member.
10653         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10654         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10655         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10656         (pa_commutative_p): New function.
10657         * jump.c (target.h): Include.
10658         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10659         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10660
10661 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10662
10663         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10664         (s390_expand_setmem): New.
10665         * config/s390/s390.c: Likewise.
10666         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10667         Adapt comments.
10668         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10669         general_operand.  Call new function "s390_expand_setmem".
10670         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10671         ("setmem_long", "*setmem_long"): ... this.
10672
10673 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10674
10675         * config/s390/s390.c: (optimization_options): Enable
10676         TARGET_MVCLE at -Os.
10677         * doc/invoke.texi: Document changes in default behaviour.
10678         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10679
10680 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10681
10682         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10683         defined by back-end.
10684
10685 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10686
10687         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10688         all sets in the pattern.
10689         * config/rs6000/rs6000.md (stack_protect_testsi,
10690         stack_protect_testdi): Likewise.
10691
10692 2005-07-06  Jeff Law  <law@redhat.com>
10693
10694         * tree-vrp.c (simplify_using_ranges): Kill.
10695         (vrp_finalize): Remove call to simplify_using_ranges.
10696         (simplify_stmt_using_ranges): New function extracted from
10697         simplify_using_ranges.
10698         (simplify_div_or_mod_using_ranges): Likewise.
10699         (simplify_abs_using_ranges): Likewise.
10700         (simplify_cond_using_ranges): New function.
10701         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10702         * tree-ssa-propagate.c (substitute_and_fold): Call
10703         simplify_stmt_using_ranges if we have range information.
10704
10705 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10706
10707         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10708         ia64_flag_schedule_isns2.
10709
10710         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10711         reading/writing general registers.
10712         (ia64_function_arg): Revert 2005-06-18 change.
10713
10714 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10715
10716         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10717         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10718
10719 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10720
10721         * function.c (expand_function_end): Revert part of 2005-06-27
10722         patch.  Do sjlj_emit_function_exit_after after return_label.
10723
10724 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10725
10726         * doc/install.texi (--disable-libssp): New.
10727
10728 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10729
10730         * doc/invoke.texi: Update -fforce-mem documentation.
10731         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10732         code for -fforce-mem.
10733         * expmed.c: (store_bit_field,store_fixed_bit_field,
10734         extract_bit_field): Ditto.
10735         * expr.c: (convert_move): Ditto.
10736         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10737         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10738         emit_conditional_add,expand_float,expand_fix): Ditto.
10739         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10740         (common_handle_option): Issue warning when -fforce-mem specified.
10741
10742 2005-07-06  Paul Brook  <paul@codesourcery.com>
10743
10744         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10745         argument is empty.
10746         * configure: Regenerate.
10747
10748 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10749
10750         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10751
10752 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10753
10754         Fix PR tree-optimization/22319
10755         Fix PR tree-optimization/22140
10756         Fix PR tree-optimization/22310
10757
10758         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10759         variable sized types.
10760         Use correct type for intermediate structure on *a = *b structure
10761         copies.
10762
10763 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10764
10765         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10766         Remove.
10767         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10768         (machine_function): Move typedef to...
10769         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10770         varargs_save_offset field.
10771         (rs6000_stack_t): Remove varargs_size field.
10772         (setup_incoming_varargs): Allocate varargs save area using
10773         assign_stack_local, try to make it as small as possible.
10774         Save offset from virtual_stack_vars_rtx to the save area
10775         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10776         instead of magic 8 when fp word byte size is used.
10777         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10778         instead of -RS6000_VARARGS_SIZE.
10779         (rs6000_stack_info, debug_stack_info,
10780         rs6000_initial_elimination_offset): Remove all traces of
10781         varargs_size.
10782         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10783         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10784         RS6000_VARARGS_AREA.
10785
10786 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10787
10788         PR tree-optimization/21963
10789         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10790         constant_multiple_of in the same way get_computation_cost_at does.
10791
10792 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10793
10794         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10795         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10796         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10797         and return its previous value.
10798         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10799         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10800         constants.
10801         (stack_protect_set, stack_protect_test): New expanders.
10802         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10803         stack_protect_testdi): New insns.
10804         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10805         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10806
10807 2005-07-06  Jeff Law  <law@redhat.com>
10808
10809         * tree-ssa-dce.c (cfg_altered): New global.
10810         (tree_dce_init): Initialize cfg_altered.
10811         (remove_dead_stmt): If we remove an edge in the CFG, then set
10812         CFG_ALTERED.
10813         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10814         the dominators.
10815
10816 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10817
10818         * Makefile.in (stamp-collect-ld): Use
10819         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10820         ./collect-ld if it already exists.
10821         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10822         Don't remove ./nm if it already exists.
10823
10824 2005-07-05  Devang Patel  <dpatel@apple.com>
10825
10826         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10827         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10828         * tree-vectorizer.c (vect_loop_location): New.
10829         (vect_print_dump_info): Use vect_loop_location.
10830         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10831         (vectorize_loops): Set vect_loop_location.
10832         * tree-vect-analyze.c (vect_analyze_offset_expr,
10833         vect_determin_vectorization_factor, vect_analyze_operations,
10834         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10835         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10836         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10837         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10838         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10839         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10840         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10841         vect_analyze_loop): Adjust vect_print_dump_info API.
10842         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10843         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10844         vect_finish_stmt_generation, vectorizable_assignment,
10845         vectorizable_operation, vectorizable_store, vectorizable_load,
10846         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10847         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10848         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10849         vect_transform_loop): Same.
10850         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10851         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10852         Same.
10853
10854 2005-07-05  Randolph Chung  <tausq@debian.org>
10855
10856         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10857         * configure: Regenerate.
10858         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10859         (pa_tls_referenced_p): Declare.
10860         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10861         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10862         (legitimize_tls_address): New.
10863         (hppa_legitimize_address): Handle TLS addresses.
10864         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10865         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10866         (emit_move_sequence): Handle TLS addresses.
10867         (pa_encode_section_info): Call default handler to handle common
10868         sections.
10869         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10870         (CONSTANT_ADDRESS_P): Reject TLS operands.
10871         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10872         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10873         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10874         (UNSPEC_TLSLE): Define new constants.
10875         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10876         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10877         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10878         (tie_symbolic_operand, tle_symbolic_operand): New
10879
10880 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10881
10882         * aclocal.m4: Update macros for autoconf 2.59 style.
10883         * configure.ac: Likewise.
10884
10885 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10886
10887         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10888         (function_arg): Pass small aggregates in general registers on 32-bit
10889         targets.
10890         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10891
10892 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10893
10894         * Makefile.in (final.o): Fix dependencies.
10895
10896 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10897
10898         PR c/22013
10899         PR c/22098
10900         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10901         * langhooks.c (lhd_expr_to_decl): New.
10902         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10903         New.
10904         (LANG_HOOKS_INITIALIZER): Update.
10905         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10906         expr_to_decl langhook.
10907         * c-tree.h (c_expr_to_decl): Declare.
10908         * c-typeck.c (c_expr_to_decl): New.
10909         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10910         specially.
10911         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10912
10913 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10914
10915         PR c/22308
10916         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10917         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10918
10919 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10920
10921         * Makefile.in: Adjust dependencies.
10922         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10923         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10924         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10925         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10926         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10927         rest_of_compilation.
10928
10929         * bb-reorder.c (gate_duplicate_computed_gotos,
10930         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10931         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10932         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10933         pass_partition_blocks): New.
10934         * bt-load.c (gate_handle_branch_target_load_optimize,
10935         rest_of_handle_branch_target_load_optimize,
10936         pass_branch_target_load_optimize): New.
10937         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10938         pass_jump2): New.
10939         * cfglayout.c (pass_insn_locators_initialize): New.
10940         * cfgrtl.c (pass_free_cfg): New.
10941         * combine.c (gate_handle_combine, rest_of_handle_combine,
10942         pass_combine): New.
10943         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10944         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10945         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10946         * except.c (pass_set_nothrow_function_flags,
10947         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10948         pass_rtl_eh): New.
10949         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10950         rest_of_handle_shorten_branches, pass_shorten_branches,
10951         rest_of_clean_state, pass_clean_state): New.
10952         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10953         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10954         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10955         pass_flow2): New.
10956         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10957         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10958         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10959         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10960         pass_gcse): New.
10961         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10962         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10963         pass_rtl_ifcvt, gate_handle_if_after_combine,
10964         rest_of_handle_if_after_combine, pass_if_after_combine,
10965         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10966         pass_if_after_reload): New.
10967         * integrate.c (pass_initial_value_sets): New.
10968         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10969         pass_purge_lineno_notes): New.
10970         * mode-switching.c (rest_of_handle_mode_switching,
10971         pass_mode_switching): New.
10972         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10973         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10974         pass_loop2): New.
10975         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10976         pass_loop_optimize): New.
10977         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10978         pass_sms): New.
10979         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10980         pass_gcse2): New.
10981         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10982         pass_postreload_cse): New.
10983         * profile.c (gate_handle_profiling, pass_profiling,
10984         rest_of_handle_branch_prob, pass_branch_prob): New.
10985         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10986         pass_split_before_regstack, gate_handle_split_before_regstack,
10987         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10988         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10989         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10990         pass_stack_regs): New.
10991         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10992         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10993         pass_stack_adjustments): New.
10994         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10995         pass_regrename): New.
10996         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10997         pass_delay_slots, gate_handle_machine_reorg,
10998         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10999         * rtl.h (extern void purge_line_number_notes): New.
11000         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11001         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11002         pass_sched2): New.
11003         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11004         pass_tracer): New.
11005         * value-prof.c (gate_handle_value_profile_transformations,
11006         rest_of_handle_value_profile_transformations,
11007         pass_value_profile_transformations): New.
11008         * var-tracking.c (gate_handle_var_tracking,
11009         pass_variable_tracking): New.
11010         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11011
11012         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11013         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11014         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11015         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11016         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11017         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11018         rest_of_handle_gcse2, rest_of_handle_regmove,
11019         rest_of_handle_tracer, rest_of_handle_if_conversion,
11020         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11021         rest_of_handle_web, rest_of_handle_branch_prob,
11022         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11023         rest_of_handle_jump_bypass, rest_of_handle_combine,
11024         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11025         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11026         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11027         rest_of_handle_mode_switching, rest_of_handle_jump,
11028         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11029         rest_of_handle_flow2, rest_of_handle_jump2,
11030         rest_of_handle_peephole2, rest_of_handle_postreload,
11031         rest_of_handle_shorten_branches, rest_of_clean_state,
11032         rest_of_compilation): Remove.
11033
11034         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11035         * passes.c (dump_flags, in_gimple_form, all_passes,
11036         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11037         register_dump_files, next_pass_1, last_verified, execute_todo,
11038         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11039         from tree-optimize.c.
11040         (init_optimization_passes): Moved from tree-optimize.c,
11041         adding the RTL optimizations.
11042         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11043         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11044         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11045         register_dump_files, next_pass_1, last_verified, execute_todo,
11046         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11047         init_tree_optimization_passes, ipa_passes): Delete.
11048         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11049         the RTL dumps.
11050         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11051         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11052         from tree.h.
11053         (ipa_passes): Remove.
11054         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11055         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11056         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11057         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11058         (dump_info_p, dump_flag): Moved to tree-dump.h.
11059
11060         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11061         cgraph.c, opts.c.
11062         * passes.c (finish_optimization_passes): Use dump_begin
11063         and dump_end, TDI_end.
11064         (gate_rest_of_compilation): New.
11065         (pass_rest_of_compilation): Use it.
11066         (gate_postreload, pass_postreload): New.
11067         * toplev.c (general_init): Rename init_tree_optimization_passes.
11068         * toplev.h (init_tree_optimization_passes): Rename to
11069         init_optimizations_passes.
11070         * tree-dump.c (dump_flag): Make static.
11071         (dump_files): Remove RTL dumps.
11072         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11073         pass_cleanup_cfg, pass_free_cfg_annotations,
11074         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11075         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11076         * tree-pretty-print.c: Include tree-pass.h.
11077         * cgraph.c: Include tree-dump.h.
11078
11079 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11080
11081         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11082         Only fall back to saying it points to readonly memory if
11083         we can't do better.
11084
11085 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11086
11087         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11088         * config/m32r/m32r.c (m32r_compute_frame_size,
11089         m32r_expand_prologue): Take current_function_profile into
11090         account whenever we reference
11091         current_function_uses_pic_offset_table.
11092         (m32r_finalize_pic): Remove.
11093         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11094
11095 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11096
11097         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11098         instead of $<.  Don't remove ./as if it already exists.
11099
11100 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11101
11102         PR target/21723
11103         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11104         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11105         for complex modes when generating code for PA 1.0.
11106         (VALID_FP_MODE_P): New macro.
11107         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11108         sets for all general and floating point modes.  Align wide floating
11109         point modes to even register boundaries to comply with architectural
11110         requirements.
11111         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11112         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11113         (VALID_FP_MODE_P): New macro.
11114         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11115         sets for all general and floating point modes.  Align wide floating
11116         point modes to even register boundaries to comply with architectural
11117         requirements.
11118
11119 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11120
11121         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11122         to 0.
11123
11124 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11125
11126         * tree-ssa-structalias.c: Don't include expr.h.
11127
11128 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11129
11130         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11131         comments.
11132
11133 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11134
11135         Fix PR tree-optimization/22279
11136
11137         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11138         correct operator.
11139
11140 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11141
11142         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11143
11144 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11145
11146         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11147         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11148         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11149         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11150         config/stormy16/stormy16.c, config/v850/v850.c,
11151         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11152         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11153         Avoid "." or "\n" at end of diagnostics and capital letters at
11154         start of diagnostics.
11155         * combine.c, cse.c: Don't translate dump file output.
11156         * toplev.c (print_version): Only translate output if going to
11157         stderr.
11158
11159 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11160
11161         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11162         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11163         typos.
11164
11165 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11166
11167         * pa.c (fix_range): Fix typo in comment.
11168
11169 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11170
11171         * tree-vrp.c (extract_range_from_assert): Replace
11172         fold (build (...)) with fold_build2.
11173
11174 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11175
11176         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11177         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11178         (format_types_orig, handle_format_attribute): Add support for
11179         format "gcc_gfc".
11180
11181 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11182
11183         * varasm.c (assemble_variable): Fix format specifier thinko.
11184
11185 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11186
11187         PR tree-optimization/22029 (and 22135)
11188         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11189         a phi node before calling dump_vops.
11190
11191 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11192
11193         * tree-dump.h (dump_string_field): Declare.
11194         * tree-dump.c: Use it instead of dump_string.
11195         (dump_string_field): Make non-static.
11196
11197 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11198
11199         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11200         up the minimal CFG stuff always when optimize > 0.  Call
11201         split_all_insns_noflow in PIC case if needed.
11202
11203 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11204             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11205
11206         PR c++/18279
11207         * c-decl.c (c_write_global_declarations): Dump contents of
11208         external scope to.
11209         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11210         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11211         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11212         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11213         is enabled.
11214
11215 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11216
11217         * c-common.h (GCC_DIAG_STYLE): Define.
11218         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11219         version for format checking to 4.1.
11220         * c-format.c: Include toplev.h after c-common.h.
11221         (enum format_type): Add gcc_tdiag_format_type.
11222         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11223         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11224         (format_types_orig): Add gcc_tdiag.
11225         (init_dynamic_diag_info): Support gcc_tdiag formats.
11226         (handle_format_attribute): Likewise.
11227         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11228         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11229         version for format checking to 4.1.
11230         (warning0, warning, error, pedwarn, sorry): Use
11231         ATTRIBUTE_GCC_DIAG.
11232         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11233         (finish_aliases_1): Do not use %qE.
11234         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11235         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11236         Correct format bugs.
11237         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11238         parameter to unsigned HOST_WIDE_INT.
11239         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11240
11241 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11242
11243         PR middle-end/21742
11244         * expr.c (write_complex_part): Use adjust_address for MEM.
11245         (read_complex_part): Same.
11246
11247 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11248
11249         Fix PR tree-optimization/22280
11250
11251         * tree-sra.c (generate_element_init): Remove useless loop.
11252
11253 2005-07-02  Richard Henderson  <rth@redhat.com>
11254
11255         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11256         TLS_MODEL_NONE.
11257         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11258
11259 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11260
11261         PR middle-end/14490
11262         * fold-const.c (fold_binary): Handle the return value of
11263         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11264         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11265
11266 2005-07-02  Jeff Law  <law@redhat.com>
11267
11268         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11269         a eliminate type conversion which feeds an equality comparison
11270         if the original type or either operand in the comparison is a
11271         function pointer.
11272
11273 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11274
11275         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11276         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11277         texts.
11278         * config/avr/avr.c: Do not use '`' as left quote.
11279         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11280         Remove "." from end of diagnostics.  Make diagnostics start with
11281         lowercase letter.
11282
11283 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11284             Joseph S. Myers  <joseph@codesourcery.com>
11285
11286         * toplev.c (default_tree_printer): Handle setting location with
11287         '+' flag.
11288         * c-objc.common.c (c_tree_printer): Likewise.
11289         * c-format.c (gcc_diag_flag_specs): Add '+'.
11290         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11291         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11292         formats.
11293         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11294         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11295         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11296         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11297         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11298         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11299         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11300         format arguments where %J is used without %D.
11301
11302 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11303
11304         * gcc.c (LINK_SSP_SPEC): Define.
11305         (link_ssp_spec): New variable.
11306         (LINK_COMMAND_SPEC): Add %(link_ssp).
11307         (static_specs): Add link_ssp_spec.
11308         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11309         * configure: Rebuilt.
11310         * config.in: Rebuilt.
11311
11312         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11313         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11314         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11315         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11316         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11317         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11318         -0x7008(2) instead of reading __stack_chk_guard variable.
11319         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11320         number.
11321         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11322         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11323         if TARGET_THREAD_SSP_OFFSET is defined.
11324         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11325         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11326
11327         Revert:
11328         2005-06-27  Richard Henderson  <rth@redhat.com>
11329         * libgcc-std.ver (GCC_4.1.0): New.
11330         * libgcc.h (__stack_chk_guard): Declare.
11331         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11332         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11333         * mklibgcc.in (lib2funcs): Add them.
11334
11335 2005-07-01  Richard Henderson  <rth@redhat.com>
11336
11337         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11338         void * before struct sigcontext *.
11339         (x86_fallback_frame_state): Likewise.
11340
11341 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11342
11343         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11344
11345 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11346
11347         PR tree-opt/22269
11348         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11349         we check for SSA_NAME for.
11350
11351 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11352
11353         Fix PR tree-optimization/22071
11354
11355         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11356         function.
11357         (get_constraint_for_component_ref): Use it.
11358
11359 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11360
11361         PR other/22264
11362         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11363         print out the last new line.
11364
11365 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11366
11367         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11368         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11369         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11370         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11371         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11372         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11373         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11374         (enum reg_class): New member CC0_REGS.
11375         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11376         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11377         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11378         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11379         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11380         Adjust for register now described.
11381
11382 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11383
11384         PR target/22262
11385         * config/i386/i386.md (stack_protect_test_si,
11386         stack_protect_test_di): Add earlyclobber for scratch 3.
11387         * config/rs6000/rs6000.md (stack_protect_testsi,
11388         stack_protect_testdi): Add earlyclobber for scratch 3,
11389         remove earlyclobber from scratch 4.
11390
11391 Older entries for 2005 can be found in ChangeLog-2005.