darwin.h (HAS_INIT_SECTION): Remove definition.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
2
3         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
4         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
5
6 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
7
8         * output.h (init_section, fini_section): Delete.
9         * varasm.c (init_section, fini_section): Delete.
10         (init_varasm_once): Don't initialize them.
11         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
12         there are no corresponding varasm.c variables.
13
14 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
15
16         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
17         of EH_FRAME_SECTION_NAME into...
18         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
19         if it is still null.
20         * except.c (default_exception_section): Delete, moving most
21         of the code to...
22         (switch_to_exception_section): ...this new function.  Set
23         exception_section if it is still null, then switch to it.
24         (output_function_exception_table): Use switch_to_exception_section.
25         * varasm.c (exception_section, eh_frame_section): Update comments.
26         (get_section): Hoist use of SECTION_NAMED.
27         (init_varasm_once): Don't set exception_section and eh_frame_section.
28         * output.h (default_exception_section): Delete.
29         (default_eh_frame_section): Delete.
30
31 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
32
33         * config/bfin/bfin.c: Include "cgraph.h".
34         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
35         Return the reg that holds the pointer to the GOT.
36         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
37         doing stack checking.
38
39 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
40
41         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
42         recompute_tree_invarant_for_addr_expr.
43         Update uses everywhere.
44
45 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
46
47         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
48         (MULTILIB_DIRNAMES): Define.
49
50 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
51
52         PR target/25311
53         * config/s390/s390.c (struct s390_address): New field literal_pool.
54         (s390_decompose_address): Compute literal_pool field.  Do not 
55         assume register %r13 is always (and solely) used as pool base.
56         (s390_extra_constraint_str): Use literal_pool field.
57
58 2005-12-09  Thiemo Seufer  <ths@networkno.de>
59
60         * config/mips/mips.c (override_options): Don't allow too small
61         integers in FP registers.
62
63 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
64
65         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
66         targetm.binds_local_p to check for local function calls.
67
68 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
69
70         PR debug/24908
71         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
72         call_used_regs can't be used to save reg in another reg.
73
74 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
75             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
76
77         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
78         abort.
79         * except.c (output_ttype): Likewise.
80         * tree-object-size.c (collect_object_sizes_for): Likewise.
81         (check_for_plus_in_loops_1): Likewise.
82         (check_for_plus_in_loops): Likewise.
83         (compute_object_sizes): Use gcc_unreachable instead of abort.
84
85 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
86
87         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
88         (loop_end, loop_init, doloop_end): New insns.
89         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
90         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
91         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
92         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
93         * config/ms1/ms1.c: #include basic-block.h
94         (struct machine_function): Add has_loops field.
95         (ms1_add_loop): New.
96         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
97         (struct loop_info, struct loop_work): New.
98         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
99         (ms1_reorg_loops): New loop optimization.
100         (ms1_machine_reorg): Call it.
101         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
102
103 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
104
105         PR tree-optimization/25248
106         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
107         evolution_of_loop from the failed attempt.  Remove handling
108         of MULT_EXPR.
109
110 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
111
112         * tree.h (DECL_EXTERNAL): Clarify documentation.
113
114 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
115             Jakub Jelinek  <jakub@redhat.com>
116
117         PR target/25268
118         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
119         argument.  Don't drop outer ANDs.
120         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
121         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
122         prototype.
123         * config/s390/predicates.md (setmem_operand): Remove.
124         (shift_count_operand): Rename to...
125         (shift_count_or_setmem_operand): ... this.  Adjust
126         s390_decompose_shift_count caller.
127         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
128         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
129         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
130         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
131         rotl<mode>3_and, setmem_long_and): New insns.
132         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
133         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
134         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
135         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
136         of shift_count_operand.
137         (setmem_long): Use shift_count_or_setmem_operand instead of
138         setmem_operand.
139
140 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
141             Andreas Tobler  <a.tobler@schweiz.ch>
142
143         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
144         tr expression.
145
146 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
147
148         * expr.c (force_operand): Use convert_to_mode for conversions.
149
150 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
151
152         * reload.h (reg_equiv_invariant): Declare.
153         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
154         register also when reg_equiv_invariant[R] is set.
155
156 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
157             Andreas Tobler  <a.tobler@schweiz.ch>
158
159         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
160
161 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
162
163         * tree-ssa-pre.c (bitmap_set_and): New function.
164         (bitmap_set_and_compl): New function.
165         (bitmap_set_empty_p): New function.
166         (insert_extra_phis): New function.
167         (compute_avail): Use insert_extra_phis.
168
169 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
170
171         * config/s390/s390.c (s390_expand_atomic): New function.
172         Adjust comment of helper functions.
173         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
174         * config/s390/s390.md ("ATOMIC"): New code macro.
175         ("atomic"): Corresponding new code attribute.
176         ("sync_lock_test_and_set[hq]i", 
177         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
178
179 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
180
181         * config/s390/s390.c (s390_expand_mask_and_shift, 
182         struct alignment_context, init_alignment_context, 
183         s390_expand_cs_hqi): New.
184         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
185         * config/s390/s390.md ("sync_compare_and_swaphi",
186         "sync_compare_and_swapqi"): New pattern.
187
188 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
189
190         Fix PR tree-optimization/25291
191         * tree-ssa-operands.c (add_call_clobber_ops): Remove
192         redundant and crashing check.
193
194 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
195
196         PR target/25212
197         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
198         tests further when !strict && reload_in_progress.
199         (print_operand): Check that both operands of indexed address are regs.
200         (print_operand_address): Likewise.
201         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
202         (INT_REG_OK_FOR_BASE_P): Correct.
203
204 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
205
206         Preparation for PR rtl-optimization/20070 / part1
207         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
208         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
209         outgoing_edges_match.
210         (outgoing_edges_match): Use condjump_equiv_p.
211         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
212         into..
213         * struct-equiv.c: New file.
214         (death_notes_match_p) New function, broken out of insns_match_p.
215         * Makefile.in (OBJS-common): Add struct-equiv.o.
216         (struct-equiv.o): New target.
217
218 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
219
220         * coretypes.h: Revert previous change.
221         * config/darwin.h: Revert previous reversion.
222         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
223
224 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
225
226         * coretypes.h (section): Provide dummy definition for target files.
227         * config/darwin.h: Revert previous change.
228
229 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
230
231         * doc/sourcebuild.texi (all.build, install-normal): Remove.
232         * configure.ac: Remove all.build and install-normal from target_list
233         * configure: Regenerate.
234         * Makefile.in (install): Don't depend on install-normal.
235
236 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
237
238         * Makefile.in: Document the use of stamps.
239
240 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
241
242         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
243         * Makefile.in: Add code to compute some dependencies on s-gtype
244         automatically.  Remove the declaration of those dependencies.
245
246 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
247
248         * gcc/reload.c (push_secondary_reload): Fix typo:
249         s/insn_constraint/scratch_constraint/.
250
251 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
252
253         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
254
255 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
256
257         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
258         (alpha_elf_select_rtx_section): Return the selected section rather
259         than emitting assembly code.
260         (alpha_write_linkage): Emit a ".link" directive directly and then
261         set in_section to NULL.
262         (vms_asm_out_constructor): Use switch_to_section.
263         (vms_asm_out_destructor): Likewise.
264         (unicosmk_output_common): Set in_section to NULL instead of calling
265         the dummy common_section function.
266         (unicosmk_text_section): Delete in favor of...
267         (unicosmk_output_text_section_asm_op): ...this new function.
268         (unicosmk_data_section): Delete in favor of...
269         (unicosmk_output_data_section_asm_op): ...this new function.
270         (unicosmk_init_sections): New function.
271         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
272         (unicosmk_output_ssib): Set in_section to NULL instead of calling
273         the dummy ssib_section function.
274         (unicosmk_section_buf): Delete.
275         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
276         (unicosmk_data_section): Delete.
277         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
278         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
279         (SECTION_FUNCTION_TEMPLATE): Delete.
280         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
281         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
282         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
283         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
284         (TARGET_ASM_INIT_SECTIONS): Define.
285         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
286         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
287         (link_section, literals_section): Delete.
288         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
289         set in_section to NULL.
290
291         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
292         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
293         (COMMON_SECTION): Delete.
294         (TARGET_ASM_INIT_SECTIONS): Define.
295         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
296         the dummy common_section function.
297         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
298         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
299         between readonly_data_section and text_section to check whether
300         read-only data is being put in the text section.
301         (arm_output_function_epilogue): Use switch_to_section.
302         (arm_elf_asm_constructor): Likewise.
303         (thumb_call_via_reg): Replace call to in_text_section with
304         a comparison between in_section and text_section.
305         (arm_file_end): Use switch_to_section.
306         (aof_text_section): Delete in favor of...
307         (aof_output_text_section_asm_op): ...this new function.
308         (aof_data_section): Delete in favor of...
309         (aof_output_data_section_asm_op): ...this new function.
310         (aof_asm_init_sections): New function.
311         (zero_init_section): Moved from config/arm/aof.h.
312         (aof_dump_imports, aof_file_start): Use switch_to_section.
313         * config/arm/arm.h (thumb_call_via_label): Update comment.
314         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
315         (common_section): Delete.
316         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
317         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
318         global switch_to_section function instead of the old port-local one.
319         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
320         (SWITCH_TO_SECTION_FUNCTION): Delete.
321         (drectve_section): Redefine as a macro.
322         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
323         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
324         switch_to_section.
325
326         * config/avr/avr.c (progmem_section): New variable.
327         (avr_output_progmem_section_asm_op): New function.
328         (avr_asm_init_sections): New function.
329         (avr_output_addr_vec_elt): Use switch_to_section.
330         * config/avr/avr.h (progmem_section): Declare.
331         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
332         (READONLY_DATA_SECTION): Delete.
333         (TARGET_ASM_INIT_SECTIONS): Define.
334         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
335         * config/avr/avr-protos.h (progmem_section): Delete.
336
337         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
338
339         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
340         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
341
342         * config/darwin-sections.def: New file.
343         * config/darwin.c: Define all sections in darwin-sections.def.
344         (output_objc_section_asm_op, darwin_init_sections): New functions.
345         (machopic_output_indirection): Use switch_to_section.
346         (machopic_select_section): Return the selected section rather than
347         emitting assembly code.  Replace the static function table with
348         inline conditional expressions.  Update the tests of last_text_section
349         and move them into the FUNCTION_DECL block.
350         (machopic_select_rtx_section): Return the selected section rather than
351         emitting assembly code.
352         (machopic_asm_out_constructor, machopic_asm_out_destructor)
353         (darwin_file_end): Use switch_to_section.
354         * config/darwin.h: Use darwin-sections.def to declare sections.
355         (INIT_SECTION_ASM_OP): Remove empty definition.
356         (HAS_INIT_SECTION): Define this instead.
357         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
358         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
359         (TARGET_ASM_EH_FRAME_SECTION): Delete.
360         (TARGET_ASM_INIT_SECTIONS): Define.
361         * config/darwin-protos.h (darwin_init_sections): Declare.
362         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
363         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
364         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
365         (constructor_section, destructor_section, mod_init_section): Delete.
366         (mod_term_section): Delete.
367         (darwin_exception_section, darwin_eh_frame_section): Delete.
368         (machopic_select_section): Return a section.
369         (machopic_select_rtx_section): Likewise.
370         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
371         (const_section, const_coal_section, const_data_section): Delete.
372         (const_data_coal_section, data_coal_section, cstring_section): Delete.
373         (literal4_section, literal8_section, constructor_section): Delete.
374         (mod_init_section, mod_term_section, destructor_section): Delete.
375         (objc_class_section, objc_meta_class_section, objc_category_section)
376         (objc_class_vars_section, objc_instance_vars_section): Delete.
377         (objc_cls_meth_section, objc_inst_meth_section): Delete.
378         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
379         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
380         (objc_symbols_section, objc_module_info_section): Delete.
381         (objc_image_info_section, objc_protocol_section): Delete.
382         (objc_string_object_section, objc_constant_string_object_section)
383         (objc_class_names_section, objc_meth_var_names_section): Delete.
384         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
385         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
386         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
387         (darwin_exception_section, darwin_eh_frame_section): Delete.
388         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
389
390         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
391         (frv_asm_out_destructor): Likewise.
392         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
393         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
394         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
395         get_named_section.
396         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
397         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
398         (data_section): Delete.
399
400         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
401         (DRECTVE_SECTION_FUNCTION): Delete.
402         (drectve_section): Redefine as a macro that sets in_section after
403         emitting the directive.
404         (SWITCH_TO_SECTION_FUNCTION): Delete.
405         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
406         in_text_section with comparison between in_section and text_section.
407         * config/i386/i386.c (x86_64_elf_select_section): Return the section
408         rather than emitting assembly code.  Use get_named_section.
409         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
410         get_named_section.
411         (machopic_output_stub): Use switch_to_section.
412         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
413         (nwld_named_section_asm_out_destructor): Use get_section and
414         switch_to_section.
415
416         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
417         rather than emitting assembly code.
418         (ia64_rwreloc_select_section): Likewise.
419         (ia64_rwreloc_select_rtx_section): Likewise.
420         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
421         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
422         switch_to_section.
423         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
424         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
425
426         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
427         section rather than emitting assembly code.
428         (iq2000_select_section): Likewise.
429         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
430         (sbss_section): Delete.
431
432         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
433         and get_named_section.
434         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
435
436         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
437         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
438         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
439         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
440         in_section to NULL.
441         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
442         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
443         global switch_to_section function instead of the old port-local one.
444         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
445         (SWITCH_SECTION_FUNCTION): Delete.
446         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
447         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
448         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
449         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
450         in_section to NULL.
451         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
452         global switch_to_section function instead of the old port-local one.
453         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
454
455         * config/mips/mips.c (mips_file_start): Update comment.
456         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
457         (mips_output_aligned_decl_common): Use switch_to_section.
458         (mips_select_rtx_section): Return the section rather than emitting
459         assembly code.  Use get_named_section.
460         (mips_function_rodata_section: Likewise get_section.
461         (build_mips16_function_stub): Use switch_to_section.
462         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
463         (SDATA_SECTION_ASM_OP): Delete.
464         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
465         (EXTRA_SECTION_FUNCTIONS): Delete.
466
467         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
468         (mmix_asm_output_aligned_local): Use switch_to_section.
469
470         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
471         (som_one_only_readonly_data_section): New variables.
472         (pa_output_function_epilogue): Set in_section to NULL instead of
473         calling forget_section.
474         (output_deferred_plabels): Use select_section.
475         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
476         of calling forget_section.
477         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
478         (pa_asm_output_aligned_local): Use select_section.
479         (som_text_section_asm_op): Delete in favor of...
480         (som_output_text_section_asm_op): ...this new function.
481         (pa_som_asm_init_sections): New function.
482         (pa_select_section): Return the section rather than emitting
483         assembly code.
484         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
485         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
486         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
487         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
488         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
489         (som_readonly_data_section, som_one_only_readonly_data_section)
490         (som_one_only_data_section, forget_section): Delete.
491         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
492         (TARGET_ASM_INIT_SECTIONS): Define.
493         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
494
495         * config/rs6000/rs6000.c (read_only_data_section): New variable.
496         (private_data_section, read_only_private_data_section): New variables.
497         (sdata2_section, toc_section): New variables.
498         (rs6000_file_start): Use switch_to_section.
499         (rs6000_assemble_integer): Use comparisons against in_section
500         instead of calling in_toc_section and in_text_section.  Use
501         unlikely_text_section_p.
502         (rs6000_elf_output_toc_section_asm_op): New function, derived
503         from the old rs6000/sysv4.h toc_section function.
504         (rs6000_elf_asm_init_sections): New function.
505         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
506         the section rather than emitting assembly code.
507         (machopic_output_stub): Use switch_to_section.
508         (toc_section): Delete dummy function.
509         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
510         switch_to_section and get_section.
511         (rs6000_xcoff_output_readonly_section_asm_op): New function.
512         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
513         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
514         the old rs6000/xcoff.h toc_section function.
515         (rs6000_xcoff_asm_init_sections): New function.
516         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
517         the section rather than emitting assembly code.
518         (rs6000_xcoff_file_start): Use switch_to_section.
519         (rs6000_xcoff_file_end): Likewise.
520         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
521         (sdata2_section, sbss_section, private_data_section): Delete.
522         (read_only_data_section, read_only_private_data_section): Delete.
523         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
524         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
525         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
526         (FINI_SECTION_FUNCTION): Delete.
527         (TARGET_ASM_INIT_SECTIONS): Define.
528         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
529         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
530         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
531         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
532         (READONLY_DATA_SECTION): Delete.
533         (TARGET_ASM_INIT_SECTIONS): Define.
534         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
535         to NULL rather than no_section.
536         (TARGET_ASM_EXCEPTION_SECTION): Delete.
537
538         * config/sh/sh.c (sh_file_start): Use switch_to_section.
539
540         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
541         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
542         from call to current_function_section.
543
544         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
545         (bss100_section): New variable.
546         (xstormy16_asm_output_aligned_common): Use switch_to_section.
547         (xstormy16_asm_init_sections): New function.
548         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
549         switch_to_section and get_section.
550         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
551         from calls to current_function_section.
552         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
553         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
554         (TARGET_ASM_INIT_SECTIONS): Define.
555         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
556
557         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
558         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
559         (FINI_SECTION_FUNCTION): Delete.
560
561         * config/v850/v850.c: Include gt-v850.h.
562         (rosdata_section, rozdata_section, tdata_section, zdata_section)
563         (zbss_section): New variables.
564         (v850_output_aligned_bss): Use switch_to_section.
565         (v850_asm_init_sections): New function.
566         (v850_select_section): Return the section rather than emitting
567         assembly code.
568         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
569         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
570         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
571         (TARGET_ASM_INIT_SECTIONS): Define.
572         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
573         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
574         (zbss_section): Delete.
575
576         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
577
578         * config/vx-common.h (vxworks_exception_section): Delete.
579         (TARGET_ASM_EXCEPTION_SECTION): Delete.
580
581         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
582         section rather than emitting assembly code.
583         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
584         switch_to_section.
585
586         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
587         * coretypes.h (section): New union and typedef.
588         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
589         from call to current_function_section.
590         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
591         (dbxout_symbol_location): Use switch_to_section.
592         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
593         most of the code into...
594         (default_eh_frame_section): ...here.  Return a section.
595         (collect2_eh_frame_section): Delete, moving most of the code into..
596         (switch_to_eh_frame_section): ...this new function.
597         (debug_info_section, debug_abbrev_section, debug_aranges_section)
598         (debug_macinfo_section, debug_line_section, debug_loc_section)
599         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
600         variables.
601         (output_call_frame_info): Call switch_to_eh_frame_section instead of
602         eh_frame_section.  Use switch_to_section and get_section.
603         (dwarf2out_begin_prologue): Use switch_to_section.
604         (AT_string_form): Check the flags in debug_str_section instead of
605         DEBUG_STR_SECTION_FLAGS.
606         (output_comp_unit): Use switch_to_section, get_section, and
607         debug_info_section.
608         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
609         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
610         from call to current_function_section.
611         (dwarf2out_var_location): Use unlikely_text_section_p.
612         (dwarf2out_source_line): Use switch_to_section.  Remove argument
613         from call to current_function_section.
614         (dwarf2out_start_source_file, dwarf2out_end_source_file)
615         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
616         debug_macinfo_section.
617         (dwarf2out_init): Initialize the new section variables.  Use them
618         instead of calls to named_section_flags.  Use switch_to_section.
619         (output_indirect_string): Use switch_to_section and debug_str_section.
620         (dwarf2out_finish): Use switch_to_section and the new section
621         variables.
622         * except.c (default_exception_section): Return the section instead
623         of emitting assembly code.
624         (output_function_exception_table): Use the global exception_section
625         variable instead of the target hook.  Use switch_to_section.  Remove
626         argument from call to current_function_section.
627         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
628         (shorten_branches): Use pointer comparisons to detect whether the
629         text section is the same as readonly_data_section.
630         (profile_function): Use switch_to_section.  Remove argument from
631         call to current_function_section.
632         (final_scan_insn): Likewise.  Update use of last_text_section.
633         * gengtype.c (open_base_files): Add an include of output.h.
634         * output.h (text_section, data_section, readonly_data_section)
635         (ctors_section, dtors_section, bss_section, init_section)
636         (fini_section, sdata_section): Turn into section pointers.
637         (in_text_section, in_unlikely_text_section, exports_section)
638         (drectve_section, named_section, mergeable_string_section)
639         (last_text_section_name): Delete.
640         (default_exception_section, default_eh_frame_section): Return sections.
641         (SECTION_DECLARED, SECTION_NAMED): New macros.
642         (SECTION_MACH_DEP): Bump value.
643         (section_common, named_section, unnamed_section): New structures.
644         (unnamed_section_callback): New typedef.
645         (section): New union.
646         (sbss_section, exception_section, eh_frame_section): New variables.
647         (in_section, last_text_section): Turn into section pointers.
648         (get_unnamed_section, get_section, get_named_section): New functions.
649         (mergeable_constant_section, function_section): Return a section.
650         (unlikely_text_section): Likewise.
651         (current_function_section): Likewise.  Remove the decl argument.
652         (unlikely_text_section_p, switch_to_section): New functions.
653         (output_section_asm_op): New function.
654         (set_named_section_flags, named_section_flags, named_section_real)
655         (named_section_first_declaration): Delete.
656         (default_select_section, default_elf_select_section): Return a section.
657         (default_elf_select_section_1, default_function_rodata_section)
658         (default_no_function_rodata_section, default_select_rtx_section)
659         (default_elf_select_rtx_section): Likewise.
660         * rtl.h (in_data_section): Delete.
661         * sdbout.c (sdbout_one_type): Use switch_to_section.
662         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
663         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
664         (TARGET_ASM_EH_FRAME_SECTION): Poison.
665         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
666         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
667         (TARGET_ASM_OUT): Update after above changes.
668         * target.h (init_sections): New hook.
669         (exception_section, eh_frame_section): Delete.
670         (select_section, select_rtx_section, function_rodata_section): Return
671         a section rather than emitting assembly code.
672         * varasm.c (text_section, data_section, readonly_data_section)
673         (ctors_section, dtors_section, bss_section, init_section)
674         (fini_section): Turn into section pointers.
675         (sdata_section, sbss_section, exception_section): New variables.
676         (eh_frame_section): New variable.
677         (in_section): Make global and turn into a section pointer.
678         (last_text_section): Turn into a section pointer.
679         (unnamed_sections): New variable.
680         (in_named_name, last_text_section_name): Delete.
681         (EXTRA_SECTION_FUNCTIONS): Delete.
682         (in_named_entry): Delete.
683         (section_htab): New variable, replacing...
684         (in_named_htab): ...this deleted variable.
685         (section_entry_eq, section_entry_hash): New functions, based on...
686         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
687         (get_unnamed_section, get_section): New functions.
688         (unlikely_text_section): Return a section instead of emitting
689         assembly code.
690         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
691         (get_named_section_flags, named_section_first_declaration): Delete.
692         (unlikely_text_section_p): New function.
693         (named_section_real, named_section): Delete.
694         (get_named_section): New function.
695         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
696         (function_section): Return a section rather than emitting
697         assembly code.
698         (current_function_section): Likewise.  Remove argument.  Use
699         last_text_section if nonnull, otherwise use function_section.
700         (default_function_rodata_section): Return a section rather than
701         emitting assembly code.  Use get_section.
702         (default_no_function_rodata_section): Return a section rather than
703         emitting assembly code.
704         (variable_section): Use switch_to_section and get_named_section.
705         (mergeable_string_section): Return a section rather than emitting
706         assembly code.  Use get_section.  Make static.  Don't take special
707         countermeasures for empty strings.
708         (mergeable_constant_section): Return a section rather than emitting
709         assembly code.  Use get_section.
710         (default_named_section_asm_out_destructor): Use switch_to_section
711         and get_section.
712         (default_dtor_section_asm_out_destructor): Use switch_to_section.
713         (default_named_section_asm_out_constructor): Use switch_to_section
714         and get_section.
715         (default_ctor_section_asm_out_constructor): Use switch_to_section.
716         (assemble_start_function): Likewise.  Set last_text_section to
717         NULL rather than no_section.  Change the type of save_section.
718         (assemble_zeros, assemble_variable): Use the section flags to detect
719         whether or not a section is text.
720         (assemble_static_space): Use switch_to_section.
721         (assemble_trampoline_template): Likewise.
722         (output_constant_def_contents): Use switch_to_section and
723         get_named_section.
724         (output_constant_pool_1): Use switch_to_section.  Use the section
725         flags to see whether sections contain mergeable data.
726         (init_varasm_once): Initialize section_htab instead of in_named_htab.
727         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
728         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
729         whether a section has already been declared.
730         (default_select_section, default_elf_select_section): Return a
731         section rather than emitting assembly code.
732         (default_elf_select_section_1): Likewise.  Use bss_section for
733         SECCAT_BSS if nonnull.  Use get_named_section.
734         (default_select_rtx_section): Return a section rather than
735         emitting assembly code.
736         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
737         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
738         (output_section_asm_op, switch_to_section): New functions.
739         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
740         get_named_section.
741
742         * doc/tm.texi: Expand the introduction to the sections documentation.
743         (TRAMPOLINE_SECTION): Document new interface.
744         (SDATA_SECTION_ASM_OP): Document new macro.
745         (READONLY_DATA_SECTION): Delete.
746         (SDATA_SECTION_ASM_OP): Document new macro.
747         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
748         (TARGET_ASM_INIT_SECTIONS): Document new hook.
749         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
750         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
751         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
752
753 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
754
755         * gcc.c (init_gcc_specs): Match braces inside conditionally
756         compiled strings.
757
758 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
759
760         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
761
762 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
763
764         PR C++/24138
765         * tree.c (integer_all_onesp): Always return true if all bits on.
766
767         * testsuite/g++.dg/init/array0.C: New.
768
769 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
770
771         * doc/md.texi: Adapt to implementation.
772
773 2005-12-06  Andreas Schwab  <schwab@suse.de>
774
775         * opts.c (decode_options): Fix typo in message.
776
777 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
778
779         PR other/13873
780         * longlong.h: Merge PPC tests from upstream.
781
782 2005-12-06  Richard Guenther  <rguenther@suse.de>
783
784         * fold-const.c (fold_convert): Do not build and fold
785         CONVERT_EXPR, but always use NOP_EXPR.
786
787 2005-12-06  Jan Beulich  <jbeulich@novell.com>
788
789         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
790         __builtin_ia32_paddq and __builtin_ia32_subq.
791         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
792         __builtin_ia32_pshufw.
793         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
794
795 2005-12-05  James E Wilson  <wilson@specifix.com>
796
797         PR target/24934
798         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
799         is set.
800
801 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
802         
803         * print-tree.c (print_node): Ditto.
804         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
805         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
806         before accessing DECL_ARTIFICIAL. 
807         Handle new tag tree codes.
808         * tree-flow-inline.h (clear_call_clobbered): Update for tag
809         changes.
810         (unmodifiable_var_p): Ditto.
811         * tree-flow.h (mem_tag_kind): Remove.
812         (struct var_ann_d): Remove mem_tag_kind member.
813         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
814         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
815         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
816         (group_aliases): Ditto.
817         (setup_pointers_and_addressables): Ditto.
818         (is_escape_site): Ditto.                                          
819         (may_alias_p): Ditto.
820         (create_tag_raw): New function.
821         (create_memory_tag): Use it.
822         (dump_alias_info): Update for tags.
823         (may_be_aliased): Ditto.
824         (add_type_alias): Ditto.
825         (new_type_alias): Ditto.
826         (create_sft): Ditto.
827         (create_structure_vars): Ditto.
828         * tree-ssa-ccp.c (get_default_value): Ditto.
829         * tree-ssa-operands.c (get_expr_operands): Ditto.
830         (add_stmt_operand): Ditto.
831         (add_call_clobber_ops): Remove duplicated condition.
832         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
833         tags.
834         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
835         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
836         * tree.c (init_ttree): Update structures for new tree codes.
837         (tree_code_size): Update sizes for new tree codes.
838         (make_node_stat): Don't try to set common things on minimal
839         structures.
840         (tree_node_structure): Update for tags.
841         (is_global_var): Ditto.
842         * tree.def: Add new tree codes.
843         * tree.h (MTAG_P): New macro.
844         (TREE_MEMORY_TAG_CHECK): Ditto.
845         (SSA_VAR_P): Update for tags.
846         (struct tree_memory_tag): New structure.
847         (MTAG_GLOBAL): New macro.
848         (union tree_node): Add memory tag member.
849         * treestruct.def (TS_MEMORY_TAG): New.
850         
851 2005-12-05  Dale Johannesen  <dalej@apple.com>
852
853         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
854         what was approved (PR 24323).
855
856 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
857
858         * doc/c-tree.texi (Function Bodies): Remove description of
859         RETURN_INIT.
860
861 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
862
863         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
864         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
865         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
866         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
867         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
868         __divxc3): Document.
869
870 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
871
872         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
873         previous behaviour.
874         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
875         hook_bool_void_false.
876         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
877         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
878
879         * config/darwin.c (machopic_select_section): It's not defined
880         as weak if it's only marked as weak_import.
881         
882         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
883         Prototype.
884
885         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
886         A hidden weak object does bind locally.  Strong linkonce data
887         counts like any other strong symbol for binding.
888         (weak_finish_1): Don't specially handle weakrefs, they no longer
889         arrive here.
890         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
891         * c-common.c (handle_alias_attribute): Allow static aliases
892         of variables.
893         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
894         * gthr-dce.h: Make weakrefs static.
895         * gthr-tpf.h: Likewise.
896         * gthr-solaris.h: Likewise.
897         * gthr-posix.h: Likewise.
898         * gthr-posix95.h: Likewise.
899         * config/darwin.c (darwin_encode_section_info): static weakref
900         variables are not necessarily defined in this translation unit.
901         * doc/extend.texi (Function Attributes): Mention that an alias
902         attribute creates a definition for the thing it's attached to.
903         Change the documentation for weakref to say that the thing
904         it's attached to must be static.
905
906         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
907         we don't go into an infinite loop.
908
909 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
910
911         * config/rs6000/predicates.md (logical_const_operand): Split
912         out of logical_operand.
913         (logical_operand): Use it.
914         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
915         logical_const_operand.
916
917 2005-12-05  Jan Beulich  <jbeulich@novell.com>
918
919         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
920         and IX86_BUILTIN_CMPNESS.
921         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
922         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
923         * config/i386/i386.md (movti_internal): Correct type attribute.
924         Simplify mode attribute.
925         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
926         Correct type attribute.
927         (absxf2): Correct operator.
928         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
929         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
930         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
931         mode attribute.
932         (sse2_vmsqrtv2df2): Correct mode attribute.
933
934 2005-12-05  Jan Beulich  <jbeulich@novell.com>
935
936         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
937         16 bits. Provide insn pattern for this case.
938
939 2005-12-05  Jan Beulich  <jbeulich@novell.com>
940
941         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
942         result.
943         (__popcountDI2): Likewise.
944
945 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
946
947         PR target/25166
948         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
949         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
950         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
951         functions.
952
953 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
954
955         * c-typeck.c (null_pointer_constant_p): New function.
956         (build_conditional_expr, build_c_cast, convert_for_assignment,
957         build_binary_op): Use it.
958
959 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
960
961         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
962         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
963         CONVERT_EXPR.
964         (check_function_arguments_recurse): Allow both NOP_EXPR and
965         CONVERT_EXPR but check conversions preserve precision.
966         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
967         but check conversions preserve precision.
968         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
969         default case.
970
971 2005-12-04  Roger Sayle  <roger@eyesopen.com>
972
973         PR c/7776
974         * common.opt (Wstring-literal-comparison): New command line option.
975         * c-opts.c (c_common_handle_option): Set it with -Wall.
976         * c-typeck.c (parser_build_binary_op): Issue warning if either
977         operand of a comparison operator is a string literal, except for
978         testing equality or inequality against NULL.
979
980         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
981
982 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
983
984         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
985         of building a NOP_EXPR.
986         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
987         NOP_EXPR.
988         * c-convert.c (convert): Use fold_convert instead of building
989         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
990         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
991         #if 0 code.
992         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
993         NOP_EXPR the same as CONVERT_EXPR.
994         * c-typeck.c (build_function_call): Use fold_convert instead of
995         building a NOP_EXPR directly.
996         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
997
998 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
999
1000         PR rtl-optimization/25197
1001         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1002         have a reg.
1003
1004 2005-12-02  Stuart Hastings  <stuart@apple.com>
1005
1006         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1007         warning.
1008
1009 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1010
1011         * c-typeck.c (default_function_array_conversion,
1012         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1013         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1014         orig_op2.  Don't check them for NOP_EXPR.
1015         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1016         around integer zero.
1017
1018 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1019
1020         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1021         toc_save_offset, toc_size, lr_size.
1022         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1023         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1024         Adjust for removal of unused rs6000_stack_t fields.
1025         (debug_stack_info): Adjust.
1026         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1027         first, and don't bother checking for set/inc of lr on sibcalls.
1028         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1029
1030 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1031
1032         PR target/25199
1033         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1034         5 if operand 1 is not aligned.  Undo previous constraint change.
1035         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1036
1037 2005-12-02  Richard Guenther  <rguenther@suse.de>
1038
1039         * tree.h (build): Remove prototype.
1040         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1041         * tree.c (build): Remove.
1042         (build0_stat): Update comment.
1043
1044 2005-12-02  Richard Guenther  <rguenther@suse.de>
1045
1046         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1047         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1048         Likewise.
1049         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1050         maybe_fold_offset_to_component_ref): Likewise.
1051         * tree-ssa-dom.c (thread_across_edge,
1052         simplify_rhs_and_lookup_avail_expr,
1053         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1054         Likewise.
1055         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1056         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1057         lower_try_finally_switch): Likewise.
1058         * tree-if-conv.c (add_to_dst_predicate_list,
1059         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1060         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1061         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1062         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1063         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1064         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1065         gimplify_init_ctor_eval, gimplify_init_constructor,
1066         gimplify_variable_sized_compare, gimplify_boolean_expr,
1067         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1068         gimplify_expr, gimplify_body, gimplify_function_tree,
1069         force_gimple_operand): Likewise.
1070         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1071         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1072         mx_register_decls): Likewise.
1073         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1074         get_frame_field, finalize_nesting_tree_1): Likewise.
1075         * tree-inline.c (setup_one_parameter): Likewise.
1076         * tree-vect-transform.c (vectorizable_condition): Likewise.
1077         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1078         Likewise.
1079         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1080         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1081         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1082         * tree-chrec.h (build_polynomial_chrec): Likewise.
1083
1084 2005-12-02  Richard Guenther  <rguenther@suse.de>
1085
1086         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1087         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1088         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1089         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1090         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1091         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1092         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1093         Likewise.
1094         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1095         sh_adjust_unroll_max): Likewise.
1096         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1097         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1098         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1099         Likewise.
1100         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1101         Likewise.
1102         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1103         Likewise.
1104
1105 2005-12-02  Richard Guenther  <rguenther@suse.de>
1106
1107         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1108         simplify_cond_using_ranges): Use buildN instead of build.
1109         * tree-tailcall.c (adjust_accumulator_values,
1110         adjust_return_value): Likewise.
1111         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1112         generate_element_copy, generate_element_zero,
1113         generate_one_element_init): Likewise.
1114         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1115         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1116         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1117         perfect_nestify): Likewise.
1118
1119 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1120
1121         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1122
1123 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1124
1125         * ggc.h (GGC_RESIZEVEC): New.
1126
1127 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1128
1129         * gcc.c (execute): Improve readability.
1130
1131 2005-12-02  Richard Guenther  <rguenther@suse.de>
1132
1133         * tree-cfg.c (mark_used_vars): New function.
1134         (dump_function_to_file): Dump only used VAR_DECLs.
1135
1136 2005-12-02  Richard Guenther  <rguenther@suse.de>
1137
1138         * convert.c (convert_to_integer): Fix compare for nonpositive
1139         constant to use tree_int_cst_sgn <= 0.
1140
1141 2005-12-02  Richard Guenther  <rguenther@suse.de>
1142
1143         * convert.c (convert_to_integer): Use fold_convert instead
1144         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1145         instead of comparing against 0.  Use build_int_cst instead
1146         of converting integer_zero_node.
1147
1148 2005-12-02  Richard Guenther  <rguenther@suse.de>
1149
1150         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1151         and RROTATE_EXPR.
1152  
1153 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1154
1155         PR target/21017
1156         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1157         rotates.
1158
1159 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1160
1161         PR middle-end/25176
1162         * function.c (expand_function_end): Emit blockage for unwinder
1163         after return label.
1164
1165 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1166
1167         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1168         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1169         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1170         integer constant comparisons.
1171
1172 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1173             Janis Johnson  <janis187@us.ibm.com>
1174             David Edelsohn  <dje@watson.ibm.com>
1175             Ben Elliston  <bje@au.ibm.com>
1176
1177         * dfp.h, dfp.c: New files.
1178         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1179         (DECNUM_H): Likewise.
1180         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1181         (INCLUDES): Append $(DECNUMINC).
1182         (OBJS-common): Add dfp.o.
1183         (dfp.o): New rule.
1184         * real.h (EXP_BITS): Pinch one bit to ..
1185         (struct real_value): Add decimal field.
1186         (real_format): Change table size, update documentation.
1187         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1188         (real_from_string3): Declare.
1189         (decimal_single_format): Declare.
1190         (decimal_double_format): Declare.
1191         (decimal_quad_format): Declare.
1192         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1193         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1194         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1195         * real.c: Include dfp.h.
1196         (normalize): Early return for decimal floats.
1197         (do_add): Zero decimal field.
1198         (do_compare): Call do_decimal_compare for decimal floats.
1199         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1200         (real_arithmetic): Call decimal_real_arithmetic for decimal
1201         floating point operands.
1202         (real_identical): If a and b are of differing radix, return false.
1203         (real_to_integer): Call decimal_real_to_integer if the value is a
1204         decimal float.
1205         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1206         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1207         (real_to_hexadecimal): Place "N/A" in the return string for
1208         decimal float.
1209         (real_from_string3): New variant, given a mode.
1210         (real_maxval): Use decimal_real_maxval for decimal floats.
1211         (round_for_format): Use decimal_round_for_format for decimals.
1212         (real_convert): Use decimal_real_convert where appropriate.
1213         (significand_size): Handle base 10.
1214         (encode_decimal_single, decode_decimal_single,
1215         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1216         decode_decimal_quad): New functions.
1217         (decimal_single_format): New.
1218         (decimal_double_format): New.
1219         (decimal_quad_format): New.
1220         * machmode.def: Add SD, DD and TD decimal floating point modes.
1221         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1222         Include MODE_DECIMAL_FLOAT.
1223         (DECIMAL_FLOAT_MODE_P): New.
1224         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1225         * genmodes.c (struct mode_data): Add counter field.
1226         (struct mode_data): Update comment for format.
1227         (blank_mode): Initialise counter field.
1228         (new_mode): Increment counter field for each mode defined.
1229         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1230         using a format.
1231         (make_complex_modes): Handle modes containing `D'.
1232         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1233         (make_decimal_float_mode): New.
1234         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1235         (cmp_modes): Compare counter field if other characteristics
1236         similar.
1237         (emit_real_format_for_mode): Support formats for decimal floats.
1238         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1239         Document MODE_DECIMAL_FLOAT.
1240
1241 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1242
1243         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1244         Delete dead code.
1245
1246 2005-12-01  Richard Henderson  <rth@redhat.com>
1247
1248         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1249
1250 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1251
1252         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1253
1254         * config/pa/pa.c (pa_init_builtins): If we detect
1255         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1256         putc_unlocked.
1257
1258 2005-12-01  Richard Guenther  <rguenther@suse.de>
1259
1260         * fold-const.c (fold_binary): Use fold_build2, not
1261         fold (build (...)).
1262
1263 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1264
1265         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1266
1267         * vec.h (VEC_block_remove): New.
1268
1269 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1270
1271         PR c/13384
1272         * c-common.c (lvalue_error): Fix wording.
1273
1274 2005-12-01  Richard Guenther  <rguenther@suse.de>
1275
1276         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1277         thinko in last patch.
1278
1279 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1280
1281         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1282         than -flat_namespace.
1283
1284 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1285
1286         * mklibgcc.in: Parameterise the script to build soft float
1287         functions by iterating over each type, rather than cloning the
1288         code for each type.
1289
1290 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1291
1292         PR middle-end/25158
1293         * builtins.c (fold_builtin_fputs): Defer check for missing
1294         replacement functions.
1295
1296 2005-11-30  Kean Johnston  <jkj@sco.com>
1297
1298         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1299         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1300
1301 2005-11-30  Richard Guenther  <rguenther@suse.de>
1302
1303         PR tree-optimization/22501
1304         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1305         function split out from ...
1306         (forward_propagate_addr_expr): ... here.  Use it to propagate
1307         ADDR_EXPRs to all uses.
1308
1309 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1310
1311         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1312         * builtins.c (expand_builtin_mathfn): Use them.
1313         (expand_builtin_mathfn_2): Likewise.
1314         (expand_builtin_mathfn_3): Likewise.
1315         (expand_builtin_int_roundingfn): Likewise.
1316         (expand_builtin): Likewise.
1317         (integer_valued_real_p): Likewise.
1318         (fold_builtin_int_roundingfn): Likewise.
1319         (fold_builtin_bitop): Likewise.
1320         (fold_builtin_logarithm): Likewise.
1321         (fold_builtin_1): Likewise.
1322         * convert.c (convert_to_integer): Likewise.
1323         * fold-const.c (negate_mathfn_p): Likewise.
1324         (tree_expr_nonnegative_p): Likewise.
1325
1326 2005-11-30  Dale Johannesen  <dalej@apple.com>
1327             Andrew Pinski  <pinskia@physics.uc.edu>
1328
1329         * combine.c (find_split_point):  Sign extend bitmask
1330         when changing bitfield assignment to IOR of AND.
1331
1332 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1333
1334         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1335         clobber to scratch reg.
1336         (*decrement_and_branch_until_zero_no_clobber): Remove.
1337         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1338         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1339         * config/ms1/ms1.opt (mmul): Remove.
1340         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1341         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1342
1343 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1344             Bernd Schmidt  <bernd.schmidt@analog.com>
1345
1346         * pa/predicates.md (symbolic_operand): Add comment.
1347         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1348         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1349         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1350         (pa_secondary_reload_class): Delete.
1351         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1352         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1353         copy of symbolic operand.
1354         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1355
1356 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1357
1358         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1359         jump.
1360
1361 2005-11-30  Jeff Law  <law@redhat.com>
1362
1363         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1364         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1365
1366 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1367
1368         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1369         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1370         (ia64_expand_move): Adjust caller.
1371
1372         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1373         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1374         negate VAL.
1375
1376 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1377
1378         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1379         Always produce an output if we can remove NEGs or canonicalize
1380         (minus (minus ...)) expressions.  Provide a fast path for the
1381         two-operand case.
1382         (simplify_gen_binary): Do not call simplify_plus_minus.
1383         (simplify_binary_operation_1): Reassociate at the end of the
1384         function.
1385
1386 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1387
1388         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1389         moves and unpack to speed up.
1390
1391 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1392
1393         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1394         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1395         (gen_v9_scc): Update callers.
1396         * config/sparc/sparc.md: Likewise.
1397         * config/sparc/sparc-protos.h: Update extern declaration.
1398
1399         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1400
1401 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1402
1403         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1404         the if.
1405
1406 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1407
1408         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1409         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1410         (negate_expr): Here.
1411
1412 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1413
1414         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1415         Fix typo in comment.
1416
1417 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1418
1419         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1420         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1421
1422 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1423
1424         PR middle-end/20109
1425         PR middle-end/25120
1426         * builtins.c (init_target_chars): New.
1427         (expand_builtin_printf, expand_builtin_fprintf,
1428         expand_builtin_sprintf, fold_builtin_sprintf,
1429         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1430         fold_builtin_snprintf_chk, fold_builtin_printf,
1431         fold_builtin_fprintf): Check for matching format strings using
1432         the target charset.
1433
1434 2005-11-29  Paul Brook  <paul@codesourcery.com>
1435
1436         * config.gcc: Do not use fixproto on m68k-elf.
1437
1438 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1439
1440         * expmed.c (div_cost): Replace with...
1441         (sdiv_cost, udiv_cost): New.
1442         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1443         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1444         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1445         (expand_divmod): Replace use of div_cost with either sdiv_cost
1446         or udiv_cost depending upon the signedness of the operation.
1447
1448 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1449
1450         PR libfortran/24991
1451         * config/darwin.c (machopic_indirection_name,
1452         machopic_output_indirection): Follow transparent alias chain.
1453
1454 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1455
1456         * varasm.c (ultimate_transparent_alias_target): Add comment.
1457
1458 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1459
1460         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1461         SET_SRC instead of XEXP where appropriate.
1462
1463 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1464
1465         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1466         __builtin_expect.
1467
1468 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1469
1470         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1471         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1472         bit at a time.
1473
1474 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1475
1476         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1477         secondary_input_reload_class, made static.  Adapt to new
1478         infrastructure.
1479         (secondary_output_reload_class): Delete.
1480         (TARGET_SECONDARY_RELOAD): New macro.
1481         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1482         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1483
1484 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1485
1486         PR c++/21166
1487         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1488         when its natural alignment is > BITS_PER_UNIT.
1489         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1490         * c-common.c (handle_packed_attribute): Ignore packing on a field
1491         whose type is naturally char aligned.
1492
1493 2005-11-28  Richard Guenther  <rguenther@suse.de>
1494
1495         * c-common.c (strict_aliasing_warning): Handle all
1496         component-ref like accesses.
1497
1498 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1499             Uros Bizjak  <uros@kss-loka.si>
1500
1501         PR middle-end/20219
1502         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1503         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1504         when flag_unsafe_math_optimizations is set and
1505         we don't care about NaNs or Infinities.
1506
1507         Move x/expN(y) and x/pow(y,z) transformation into common
1508         flag_unsafe_math_optimizations section.
1509
1510 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1511
1512         * gcc.c (main): Change type of argv to "char **".
1513
1514 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1515
1516         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1517         small data sections.
1518         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1519         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1520         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1521         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1522         output locals to sbss if !rs6000_elf_in_small_data_p.
1523         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1524
1525 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1526
1527         PR target/24997
1528         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1529         generated by reload.
1530         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1531         indexed_or_indirect_address.
1532         (indexed_or_indirect_address): Don't test for base reg.  Call
1533         address_operand last.  Make it a special predicate.
1534
1535 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1536
1537         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1538
1539 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1540
1541         PR middle-end/24575
1542         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1543         is undefined.
1544         (negate_expr): Likewise.
1545
1546 2005-11-27  Andreas Schwab  <schwab@suse.de>
1547
1548         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1549         redundant parens.
1550
1551 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1552
1553         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1554         has EH predecessor edges.
1555
1556 2005-11-26  Eric Christopher  <echristo@apple.com>
1557
1558         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1559         register stalls by zero extending to the full register.
1560
1561 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1562
1563         * config/floatunsisf.c, config/floatunsidf.c,
1564         config/floatunsixf.c, config/floatunsitf.c: New files.
1565         * config/ia64/t-hpux: Add floatunsitf.c.
1566         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1567         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1568
1569 2005-11-26  Richard Henderson  <rth@redhat.com>
1570
1571         * c-lex.c (pragma_lex): Rename from c_lex.
1572         * c-pch.c: Update for pragma_lex rename.
1573         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1574         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1575         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1576         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1577         * doc/tm.texi: Likewise.
1578
1579 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1580
1581         PR middle-end/23669
1582         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1583         when overflow is undefined.
1584
1585 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1586
1587         * doc/md.texi (Insn Canonicalizations): Refer to the
1588         function commutative_operand_precedence for further rules.
1589
1590 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1591
1592         PR middle-end/21309
1593         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1594         is less than zero.  Limit mult_cost to a reasonable upper bound for
1595         the synthetic multiplication sequence.
1596
1597 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1598
1599         PR middle-end/25022
1600         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1601         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1602         Lookup the explicit replacement functions for any unlocked
1603         stdio builtin transformations.
1604
1605 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1606
1607         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1608         earlyclobber.
1609         * targhooks.c (default_secondary_reload): Don't require operand 2
1610         for an input reload to be earlyclobber.
1611
1612 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1613
1614         * fold-const.c (negate_mathfn_p): Fix comment and add support
1615         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1616         BUILT_IN_ATANH.
1617
1618 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1619
1620         PR middle-end/24998
1621         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1622         _Q_ulltoq for unsigned conversions from SImode and DImode to
1623         TFmode.
1624
1625 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1626
1627         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1628         (__floatundidf, __floatundisf): Likewise.
1629
1630 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1631
1632         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1633         (rs6000_override_options): Remove initialization of
1634         rs6000_sr_alias_set.
1635         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1636         (rs6000_emit_stack_tie): Same.
1637         (emit_frame_save): Same.
1638         (gen_frame_mem_offset): Same.
1639         (rs6000_emit_prologue): Same.
1640         (rs6000_emit_epilogue): Same.
1641
1642 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1643
1644         PR middle-end/24989
1645         * fold-const.c (fold_build): Convert bool_var != 1 and
1646         bool_var == 0 to !bool_var.
1647
1648 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1649
1650         PR middle-end/24990
1651         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1652         for C being INTEGER_CST.  Likewise for !=.
1653
1654 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1655
1656         PR middle-end/24998
1657         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1658         unsigned conversions from SImode to TFmode.
1659
1660 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1661
1662         * expr.c (expand_expr_real_1): Fix error in last change.
1663
1664 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1665
1666         * caller-save.c: (this_insn_sets): Move into:
1667         (save_call_clobbered_regs).
1668         (mark_set_regs): Get this_insn_sets from data.
1669
1670         (save_call_clobbered_regs): Take sets of the return value by
1671         sibcalls into account.
1672
1673 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1674         PR target/21623:
1675
1676         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1677         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1678         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1679         (memory_move_secondary_cost, init_reg_autoinc): Remove
1680         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1681         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1682         secondary_reload_class call.
1683         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1684         callers.
1685         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1686         (push_secondary_reload): Use secondary_reload target hook.
1687         (secondary_reload_class, scratch_reload_class): New functions.
1688         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1689         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1690         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1691         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1692         (secondary_reload_class, scratch_reload_class): Declare.
1693         * reload1.c: Include target.h.
1694         (reload_adjust_reg_for_temp): New function.
1695         (reload_adjust_reg_for_icode): Likewise.
1696         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1697         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1698         call.
1699         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1700         for inheritance.  Support case when both secondary & tertiary reloads
1701         are for intermediate registers.
1702         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1703         with secondary_reload_class call.  Support case when both secondary
1704         & tertiary reloads are for intermediate registers.
1705         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1706         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1707         * target.h (secondary_reload_info): New struct / typedef.
1708         (struct gcc_target): New member secondary_reload.
1709         * targhooks.c Include reload.h, optabs.h and recog.h.
1710         (default_secondary_reload): New function.
1711         * targhooks.h (default_secondary_reload): Declare.
1712         * doc/tm.texi: Document secondary_reload target hook.  Update
1713         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1714         * doc/md.texi: Likewise.
1715
1716         * sh-protos.h (sh_secondary_reload): Declare.
1717         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1718         (sh_secondary_reload): New function.
1719         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1720         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1721         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1722         (HAVE_SECONDARY_RELOADS): Define.
1723         * sh.md (reload_indf): Rename to:
1724         (reload_indf__frn).
1725         (reload_outdf): Rename to:
1726         (reload_outdf__RnFRm).
1727         (reload_insf): Rename to:
1728         (reload_insf__frn).
1729         (reload_insi): Rename to:
1730         (reload_insi__i_fpul).
1731
1732 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1733
1734         * configure.ac: Require at least texinfo 4.4.
1735         * configure: Regenerate.
1736
1737         * doc/install.texi (Tools/packages necessary for building GCC):
1738         Update required version of texinfo to at least 4.4.
1739         (Installing GCC: Building): Update required version of texinfo
1740         to at least 4.4.
1741         (Installing GCC: Final installation): Update required version
1742         of texi2dvi to at least 4.4.
1743         (Host/target specific installation notes for GCC): Update required
1744         version of texinfo to at least 4.4.
1745
1746 2005-11-24  Richard Guenther  <rguenther@suse.de>
1747         Dirk Mueller <dmueller@suse.de>
1748
1749         PR c++/14024
1750         * c-common.h (strict_aliasing_warning): Declare.
1751         * c-common.c (strict_aliasing_warning): New function,
1752         split out from ...
1753         * c-typeck.c (build_c_cast): ... here.
1754
1755 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1756
1757         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1758         to order operands.
1759         (swap_commutative_operands_with_target): New.
1760
1761 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1762
1763         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1764         also when doing PRE, rather than only for global CPROP.
1765
1766 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1767
1768         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1769         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1770         formatting.
1771         (expand_twoval_unop): Likewise.
1772         (widen_clz): Likewise.
1773         (expand_parity): Likewise.
1774         (expand_unop): Likewise.
1775         (emit_cmp_and_jmp_insn_1): Likewise.
1776         (prepare_float_lib_cmp): Likewise.
1777
1778 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1779
1780         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1781         Remove unused `class' variable.
1782
1783 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1784
1785         PR c++/21667
1786         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1787         C/C++ diagnostic function warn_array_subscript_with_type_char.
1788         * c-common.h (warn_array_subscript_with_type_char): Declare.
1789         * c-common.c (warn_array_subscript_with_type_char): Define.
1790
1791 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1792
1793         PR c/21668
1794         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1795         compiling at the intersection of C and C++.
1796
1797 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1798
1799         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1800         List @file in the option summary.  Include the libiberty
1801         documentation for @file.
1802         * gcc.c (main): Call expandargv.
1803         * Makefile.in (gcc-vers.texi): Define srcdir.
1804
1805 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1806
1807         * passes.c (init_optimization_passes): Document
1808         sequencing of passes.
1809
1810 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1811
1812         * config/m68k/predicates.md (pcrel_address, extend_operator,
1813         post_inc_operand, pre_dec_operand): Remove redundant
1814         conditionals.
1815         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1816         instead of abort.
1817         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1818
1819 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1820
1821         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1822
1823 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1824
1825         Preparatory work for PR target/21623:
1826         * alpha.c (secondary_reload_class): Rename to:
1827         (alpha_secondary_reload_class).
1828         * alpha.h, alpha-protos.h: Likewise.
1829         * mn10300.c (secondary_reload_class): Rename to:
1830         (mn10300_secondary_reload_class).
1831         * mn10300.h, mn10300-protos.h: Likewise.
1832         * pa.c (secondary_reload_class): Rename to:
1833         (pa_secondary_reload_class).
1834         * pa.h, pa-protos.h: Likewise.
1835         * rs6000.c (secondary_reload_class): Rename to:
1836         rs6000_secondary_reload_class.
1837         * rs6000.h, rs6000-protos.h: Likewise.
1838
1839 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1840
1841         PR middle-end/22561
1842         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1843
1844 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1845
1846         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1847         a mode_class.
1848         (prepare_cmp_insn): Likewise.
1849
1850 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1851
1852         PR target/23435
1853         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1854         if both operands[0] and operands[1] are memory.
1855
1856 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1857
1858         PR middle-end/23606
1859         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1860         COMPARISON_CLASS_P and an integral types create create a new
1861         expression with the new type and fold that.
1862
1863 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1864
1865         PR target/24988
1866         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1867         to SUBTARGET_OS_CPP_BUILTINS.
1868
1869 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1870
1871         * arm.c (emit_set_insn): New function.
1872         (arm_split_constant): Call it.
1873         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1874         (arm_legitimize_address): Likewise.  Use plus_constant.
1875         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1876         (thumb_expand_prologue): Likewise.
1877         (arm_gen_load_multiple): Use VOIDmode in SET.
1878         (arm_gen_store_multiple): Likewise.
1879         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1880         (emit_multi_reg_push): Likewise.
1881         (emit_sfm): Use plus_constant.
1882
1883 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1884
1885         PR target/24954
1886         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1887         typo last change.
1888
1889 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1890
1891         PR middle-end/24950
1892         * expmed.c (store_bit_field): Don't attempt to insv a field
1893         larger than the reg.
1894
1895 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1896
1897         PR target/24954
1898         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1899         explicit sign extension, not a (char) cast.
1900
1901 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1902
1903         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1904         GET_MODE_CLASS (x) == MODE_FLOAT.
1905         * config/i386/i386.c: Likewise.
1906         * config/rs6000/xcoff.h: Likewise.
1907         * config/rs6000/linux64.h: Likewise.
1908         * config/rs6000/rs6000.c: Likewise.
1909         * config/rs6000/rs6000.h: Likewise.
1910         * config/rs6000/predicates.md: Likewise.
1911         * config/rs6000/sysv4.h: Likewise.
1912
1913 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1914
1915         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1916         flag_pic is set.
1917
1918         * config/alpha/freebsd.h, config/alpha/linux.h,
1919         config/arm/linux-elf.h, config/bfin/bfin.h,
1920         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1921         config/i386/beos-elf.h, config/i386/gnu.h,
1922         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1923         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1924         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1925         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1926         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1927         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1928         config/sparc/linux.h, config/sparc/linux64.h,
1929         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1930
1931         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1932         are both defined when either flag -fpic or -fPIC are used.
1933
1934 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1935
1936         * config/fp-bit.c (clzusi): New function.
1937         (si_to_float, usi_to_float): Use it to compute proper shift.
1938         (usi_to_float): Preserve guard bits when shifting right.
1939         * libgcc-std.ver (GCC_4.2.0): New version.
1940         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1941         __floatundisf): New functions.
1942         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1943         __floatundisf): Declare.
1944         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1945         _floatundixf, and _floatunditf.
1946         * optabs.c (expand_float): If target does not define a pattern for
1947         signed or unsigned conversion, use an unsigned libcall instead of
1948         a signed one.
1949         (init_optabs): Initialize ufloat_optab.
1950
1951 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1952
1953         * config/rs6000/rs6000.opt (mmulhw): New option.
1954         * doc/invoke.texi (-mmulhw): Document.
1955         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1956         for 405 and 440.
1957         * config/rs6000/rs6000.md: Add half-word multiply and
1958         multiply-accumulate instructions for 405 and 440.
1959
1960 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1961
1962         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1963         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1964         default now includes a linker group which makes the RTEMS one nest.
1965
1966 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1967
1968         * cse.c (fold_rtx): Typo fix.
1969         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1970
1971 2005-11-21  Richard Henderson  <rth@redhat.com>
1972
1973         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1974         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1975
1976         * c-tree.h (lookup_name): Move declaration ...
1977         * c-common.h (lookup_name): ... here.
1978         * config/darwin-c.c: Include c-common.h.
1979         * config/t-darwin: Update dependencies.
1980
1981 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1982
1983         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1984         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1985         * genopinit.c (gen_insn): Likewise.
1986         * reload.c (find_equiv_reg): Likewise.
1987         * loop.c (load_mems): Likewise.
1988         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1989         * cse.c (find_comparison_args, fold_rtx): Likewise.
1990         * dwarf2out.c (add_const_value_attribute): Likewise.
1991         * expr.c (convert_move): Likewise.
1992         * recog.c (general_operand, register_operand): Likewise.
1993         * reg-stack.c (replace_reg): Likewise.
1994         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1995         * c-common.c (handle_vector_size_attribute): Likewise.
1996         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1997         (simplify_binary_operation_1): Likewise.
1998         (simplify_const_binary_operation): Likewise.
1999         (simplify_relational_operation): Likewise.
2000         (simplify_const_relational_operation): Likewise.
2001         (simplify_immed_subreg): Likewise.
2002         * emit-rtl.c (gen_lowpart_common): Likewise.
2003         * expmed.c (expand_mult): Likewise.
2004         * stor-layout.c (layout_type): Likewise.
2005
2006 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2007
2008         PR target/24951
2009         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2010         cst2 only for SPE vectors.
2011
2012 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2013
2014         PR target/24953
2015         * config/rs6000/predicates.md (vrsave_operation): Check
2016         UNSPEC_VOLATILE value.
2017
2018 2005-11-21  Jan Hubicka  <jh@suse.cz>
2019
2020         PR tree-optimization/24653
2021         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2022
2023 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2024
2025         * config/i386/predicates.md (ax_reg_operand): New predicate.
2026         (memory_displacement_only_operand): New predicate.
2027         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2028         operand is AX register and the other operand is memory operand
2029         with displacement only.
2030
2031 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2032
2033         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2034         if we don't care about NaNs or Infinities.
2035
2036 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2037
2038         PR rtl-optimization/24883
2039         * combine.c (combinable_i3pat): When checking whether the
2040         destination of i3 is used in i3, consider paradoxical subregs.
2041
2042 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2043
2044         PR middle-end/20583
2045         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2046
2047 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2048
2049         * combine.c (try_combine): Do not run subst on i1src and i2src in
2050         the case of generating a PARALLEL for a comparison.
2051
2052 2005-11-20  Richard Henderson  <rth@redhat.com>
2053
2054         PR 24931
2055         * tree-sra.c (struct sra_elt): Add all_no_warning.
2056         (struct sra_walk_fns) <use>: Add use_all argument.
2057         (sra_walk_expr): Pass it.
2058         (sra_walk_modify_expr): Likewise.
2059         (scalarize_ldst): Likewise.
2060         (scan_use): Update for new argument.
2061         (mark_no_warning): New.
2062         (scalarize_use): Use it.
2063
2064 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2065
2066         * expr.c (expand_expr_real): Use usmul_optab for widening
2067         signed * unsigned multiplies.
2068         * genopinit.c (optabs): Add usmul_widen_optab.
2069         * optabs.c (init_optabs): Likewise.
2070         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2071         (usmul_widen_optab): Define.
2072         * config/bfin/bfin.md (usmulhisi3): New pattern.
2073
2074         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2075
2076 2005-11-20  Graham Stott <btinternet.com>
2077
2078         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2079
2080 2005-11-20  Andreas Schwab  <schwab@suse.de>
2081
2082         PR target/24757
2083         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2084         insn.
2085
2086 2005-11-19  Richard Henderson  <rth@redhat.com>
2087
2088         PR tree-opt/24665
2089         * tree-gimple.c (is_gimple_id): Export.
2090         * tree-gimple.h (is_gimple_id): Declare.
2091         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2092         (get_default_value): Use it.
2093         (maybe_fold_stmt_indirect): Likewise.
2094
2095 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2096
2097         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2098         than VR1 or vice-versa.
2099
2100 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2101
2102         PR middle-end/24912
2103         PR middle-end/24750
2104         * reload.c (find_reloads_address_1): Mention dependency on
2105         gen_reload.
2106         * reload1.c (gen_reload): For IN with an unary operation, try
2107         moving inner expression to OUT if trivial SET is not valid.
2108         Confirm that the result is valid.  Move common code block into...
2109         (emit_insn_if_valid_for_reload): New function.
2110
2111 2005-11-19  Richard Guenther  <rguenther@suse.de>
2112
2113         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2114         ARRAY_REFs of constant strings.
2115
2116 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2117
2118         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2119         fatal format string.
2120
2121 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2122
2123         * combine.c (make_compound_operation): Swap operands of
2124         commutative operation if necessary before returning.
2125
2126 2005-11-19  Richard Guenther  <rguenther@suse.de>
2127
2128         PR middle-end/23294
2129         * fold-const.c (fold_plusminus_mult_expr): New function.
2130         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2131         cases, remove now unnecessary code.
2132
2133 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2134
2135         * gensupport.c (old_preds): Rename to std_preds, add special field.
2136         (struct old_pred_table): Rename to struct std_pred_table, add special
2137         field.
2138         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2139         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2140         (init_predicate_table): Adjust, and set along the way whether a
2141         predicate is special.
2142
2143 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2144
2145         * BASE-VER: Change to 4.2.0.
2146
2147 2005-11-18  James E Wilson  <wilson@specifix.com>
2148
2149         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2150         returning it.
2151
2152 2005-11-18  Mike Stump  <mrs@apple.com>
2153
2154         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2155         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2156         * c-decl.c (lookup_name_two) Remove.
2157         * c-tree.h (lookup_name_two): Remove.
2158         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2159         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2160         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2161         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2162
2163 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2164
2165         PR target/24914
2166         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2167         when not generating code to use that co-processor.
2168
2169 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2170
2171         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2172         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2173         these functions are now in tree-phinodes.c.
2174
2175 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2176
2177         * config/bfin/bfin.md (trap): New pattern.
2178
2179 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2180
2181         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2182         on types.
2183
2184         * expr.c (expand_expr_real): Don't call record_block_change unless
2185         ib_boundaries_block is non-null
2186
2187         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2188
2189         * fold-const.c (build_range_check): Use proper type for subtraction
2190         when merging lower bound.
2191
2192 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2193
2194         PR rtl-optimization/24497
2195         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2196         the copied insn.
2197
2198 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2199
2200         * tree-scalar-evolution.c (expression_expensive_p): New function.
2201         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2202
2203 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2204
2205         * config/bfin/crtlibid.s: New file.
2206
2207 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2208
2209         PR target/24348
2210         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2211         when not using sjlj exceptions.
2212         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2213         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2214         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2215         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2216         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2217         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2218         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2219         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2220         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2221         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2222         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2223         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2224         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2225         defines.
2226         * config/pa/hpux-unwind.h: New file.
2227
2228 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2229
2230         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2231         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2232         * varasm.c (do_assemble_alias): Adjust call.
2233         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2234         is defined.
2235         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2236
2237 2005-11-17  James E Wilson  <wilson@specifix.com>
2238
2239         * tree.def (FUNCTION_DECL): Correct typo in comment.
2240
2241 2005-11-17  Richard Henderson  <rth@redhat.com>
2242
2243         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2244         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2245         and DW_CFA_def_cfa_sf.
2246         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2247         (dbx_reg_number): Don't assert particular registers here.
2248         (based_loc_descr): ... do it here instead.  Fold in ...
2249         (eliminate_reg_to_offset): ... this function.
2250         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2251         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2252         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2253         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2254         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2255         (instantiate_virtual_regs): Likewise.
2256         * var-tracking.c (adjust_stack_reference): Likewise.
2257         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2258
2259 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2260
2261         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2262         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2263         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2264         crtlibid.o.
2265         ($(T)crtlibid.o): New rule.
2266
2267 2005-11-16  Richard Guenther  <rguenther@suse.de>
2268
2269         PR middle-end/24851
2270         * fold-const.c (extract_array_ref): Return byte offset
2271         in all cases.
2272         (fold_binary): Fold &x[a] CMP &x[b] to
2273         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2274         behavior.
2275
2276 2005-11-16  Richard Henderson  <rth@redhat.com>
2277
2278         PR middle-end/23497
2279         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2280         parts of an SSA_NAME.
2281
2282 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2283
2284         PR target/24861
2285         * arm.md (split for movsf with immediate): Restrict split to insns
2286         that set a general register.
2287
2288 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2289
2290         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2291         uw_update_context.
2292         * unwind-dw2.c (uw_advance_context): Likewise.
2293         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2294         _Unwind_SjLj_Unregister.
2295         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2296
2297 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2298
2299         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2300
2301 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2302
2303         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2304         langhook to get a DImode integer type.
2305
2306 2005-11-16  Richard Henderson  <rth@redhat.com>
2307             J"orn Rennecke <joern.rennecke@st.com>
2308             Ulrich Weigand  <uweigand@de.ibm.com>
2309
2310         PR rtl-opt/24160
2311         PR target/24621
2312         * reload1.c (reg_equiv_invariant): New.
2313         (reload): Allocate, initialize, and free it.
2314         (calculate_needs_all_insns): Check it when skipping equivalence
2315         setting insns.
2316         (alter_reg): Likewise.
2317         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2318         may_use_invariant argument; only use reg_equiv_invariant when true.
2319         (eliminate_regs): New.
2320         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2321         a context for which may_use_invariant may be true.
2322
2323 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2324
2325         * fold-const.c (const_binop): Don't constant fold the operation
2326         if the result has overflowed and flag_trapping_math.
2327         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2328
2329 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2330
2331         * config/arm/unwind-arm.c (abort): Add prototype here.
2332         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2333         (struct phase1_vrs): Add prev_sp.
2334         (unwind_phase2_forced): Save the original core registers instead of
2335         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2336         and set action flags accordingly.  Always set _US_END_OF_STACK when
2337         get_eit_entry fails.  Unwind before calling the stop function.
2338         (_Unwind_GetCFA): New function.
2339         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2340         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2341         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2342         just call unwind_phase2_forced.
2343         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2344         * config/arm/unwind-arm.h (abort): Remove prototype.
2345         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2346         prototypes.
2347         (_Unwind_GetCFA): New prototype.
2348         * config/arm/pr-support.c (abort): Add prototype here.
2349         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2350         forced unwinding.
2351         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2352         not schedule the prologue with non-call exceptions and EABI.
2353
2354 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2355
2356         * config/arm/unwind-arm.h: Reorder interface function declarations.
2357         (_URC_END_OF_STACK): New enumeration value.
2358         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2359         (struct _Unwind_Control_Block): Document reserved field use.
2360         (_Unwind_Stop_Fn): New typedef.
2361         (_Unwind_ForcedUnwind): Declare.
2362         (_Unwind_Resume_or_Rethrow): Declare.
2363         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2364         argument.  Adjust.
2365         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2366         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2367         (UCB_FORCED_STOP_ARG): New.
2368         (search_EIT_table): Update boundary condition checks.
2369         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2370         (unwind_phase2): Replace for with do..while.
2371         (unwind_phase2_forced): New.
2372         (__gnu_Unwind_RaiseException): Replace for with do..while.
2373         (__gnu_Unwind_ForcedUnwind): New.
2374         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2375         Use appropriate phase2 unwinder.
2376         (__gnu_Unwind_Resume_or_Rethrow): New.
2377         (__gnu_unwind_pr_common): Cope with forced unwinding.
2378
2379 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2380
2381         PR target/24772
2382         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2383
2384         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2385         roundsf2): Remove "s" from mnemonic.
2386
2387 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2388
2389         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2390         __PIC__ is defined.
2391         * config/bfin/crtn.s: Change epilogues to match.
2392         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2393         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2394         __PIC__ and __pic__.
2395
2396 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2397
2398         PR 24357
2399         * doc/invoke.texi: Distinguish between free and fixed form instead of
2400         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2401         languages.
2402         * gcc.c (default_compilers): Remove double entries, add entries for
2403         suffixes '.F90' and '.F95'.
2404
2405 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2406
2407         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2408         in the stack probing loop.
2409
2410 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2411
2412         * configure.ac: Use .machine power5 not power5x.
2413         * configure: Regenerate.
2414
2415 2005-11-15  Mike Stump  <mrs@apple.com>
2416
2417         * c-decl.c (lookup_name_two): Add.
2418         * c-tree.h (lookup_name_two): Likewise.
2419         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2420         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2421
2422 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2423
2424         PR rtl-optimization/23392
2425         * regrename.c (enum scan_actions) Add mark_access.
2426         (scan_actions_name): Ditto.
2427         (scan_rtx_reg): Handle mark_access.
2428         (scan_rtx_address): Do nothing for mark_access.
2429         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2430         and regs in REG_INC notes before closing chains for dead regs.
2431         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2432         opening chains for new writes.
2433
2434 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2435
2436         * c.opt (ffixed-line-length-none): New.
2437
2438 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2439
2440         * mklibgcc.in: Change contents of eh_dummy.c.
2441
2442 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2443
2444         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2445
2446 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2447
2448         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2449         of making syscalls.
2450         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2451
2452 2005-11-15  Jan Hubicka  <jh@suse.cz>
2453
2454         * invoke.texi (large-unit-insns): Document.
2455         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2456         * params.def (large-unit-insns): New param.
2457
2458 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2459
2460         PR target/24869
2461         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2462         special register for operand 3.  Reindent constraints to align
2463         them vertically.
2464
2465 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2466
2467         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2468         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2469         * configure.ac: Add test for FP rounding instructions.
2470         * configure: Regenerate.
2471         * config.in: Regenerate.
2472         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2473         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2474         features enabled.
2475         * config/rs6000/rs6000.opt (mfprnd): New.
2476         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2477         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2478         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2479         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2480         (TARGET_FPRND): New.
2481         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2482         UNSPEC_FRIZ): New.
2483         (btrunc<mode>2): New.
2484         (ceil<mode>2): New.
2485         (floor<mode>2): New.
2486         (round<mode>2): New.
2487
2488 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2489
2490         * gcc.c (version_compare_spec_function): Use fatal() rather than
2491         abort().
2492
2493         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2494         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2495         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2496         as empty.
2497         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2498         link in crt2.o.
2499
2500         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2501         on -mmacosx-version-min setting.
2502
2503 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2504
2505         PR 24840
2506         * tree-vrp.c (infer_value_range): Return false if STMT is a
2507         block terminator and its basic block has no successors.
2508
2509 2005-11-14  Mike Stump  <mrs@apple.com>
2510
2511         * config/i386/i386.c (override_options): -masm=intel isn't
2512         supported on darwin.
2513         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2514
2515 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2516
2517         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2518         vfork after including auto-host.h.
2519
2520 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2521
2522         PR rtl-optimization/22002
2523         * combine.c (distribute_notes): Detect cases where a reg dies
2524         two or more times in a bb, including on the insn we are combining,
2525         and place the death note on the correct range.
2526
2527 2005-11-14  Dale Johannesen  <dalej@apple.com>
2528
2529         * expmed.c (store_bit_field):  Add offset unconditionally for
2530         memory targets.
2531         (extract_bit_field):  Don't force extzv or extv operand into
2532         a register if field is too big.
2533
2534 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2535
2536         * config/arm/arm.c (pic_labelno): New.
2537         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2538         LABEL_REF.  Pass only the labelno to PIC insns.
2539         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2540         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2541         * arm.md (UNSPEC_PIC_LABEL): New constant.
2542         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2543         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2544         Use the correct label prefix.
2545
2546 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2547
2548         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2549         REQ_EQUIV note.
2550
2551 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2552
2553         * loop-invariant.c: Include tm_p.h.
2554         * Makefile.in: Updated.
2555
2556 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2557
2558         * pa.c (store_reg): Revise generation of frame notes in large frames.
2559         (set_reg_plus_d): Likewise.
2560
2561 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2562
2563         PR tree-optimization/24709
2564         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2565         loop check.
2566
2567 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2568
2569         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2570         and duplicate declaration of pthread_self.
2571
2572 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2573             Ian Lance Taylor  <ian@airs.com>
2574
2575         PR middle-end/24003
2576         * calls.c (expand_call): If TARGET is a MEM and some part of the
2577         argument area has been saved, force TARGET to a register.
2578
2579 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2580
2581         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2582         checking.
2583
2584 2005-11-13  Jason Merrill  <jason@redhat.com>
2585
2586         PR c++/22489
2587         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2588         lazily declared methods.
2589         (force_decl_die): Stop if forcing out the context already make a
2590         DIE for the decl.
2591         (force_type_die): Likewise.
2592
2593 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2594
2595         PR middle-end/24820
2596         * builtins.c (integer_valued_real_p): Add break in
2597         REAL_CST having TREE_OVERFLOW set.
2598
2599 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2600
2601         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2602         addressing modes during calculation of costs.
2603
2604 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2605
2606         * function.c (assign_stack_local_1): Restrict sanity check
2607         on frame size overflow to 32-bit and above platforms.
2608
2609 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2610
2611         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2612         * config/cris/cris.c: Include reload.h.
2613         (cris_initial_elimination_offset): New function.
2614         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2615         Prototype.
2616
2617 2005-11-12  Richard Guenther  <rguenther@suse.de>
2618
2619         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2620
2621 2005-11-12  Jan Hubicka  <jh@suse.cz>
2622
2623         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2624         to compare against 0 when possible.
2625
2626 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2627
2628         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2629         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2630         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2631         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2632         in the new order.
2633
2634 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2635
2636         * recog.c (constrain_operands) <case 'g'>: For a match, require
2637         that a non-register matches general_operand when strict >= 0.
2638
2639 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2640
2641         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2642         previous checkin.
2643
2644 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2645
2646         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2647         (memory_address_same): New.
2648         (dse_optimize_stmt): Call memory_address_same.
2649
2650 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2651
2652         PR middle-end/24750
2653         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2654         ZERO_EXTEND>: New cases.
2655
2656 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2657
2658         * longlong.h (__clz_tab): Always provide.
2659
2660 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2661
2662         PR 24265
2663         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2664         can be assigned to.
2665         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2666         before check_maybe_invariant.
2667         (move_invariant_reg): Use gen_move_insn instead of replacing
2668         SET_DEST with the temporary for the invariant.
2669         (move_loop_invariants): If checking is enabled, do internal
2670         consistency checks after completing the pass.
2671
2672 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2673
2674         PR 24644
2675         * common.opt (Wvolatile-register-var): New.
2676         * varasm.c (make_decl_rtl): Only emit warning when option
2677         specified.  Clarify warning message.
2678         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2679
2680         * doc/md.texi (copysign): Document standard named pattern.
2681
2682 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2683
2684         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2685         bytes when align is 2.
2686         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2687         by the first instruction of the loop.
2688
2689 2005-11-11  Jason Merrill  <jason@redhat.com>
2690
2691         PR c++/24686
2692         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2693         the cleanup list.
2694
2695 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2696
2697         PR rtl-optimization/22509
2698         * local-alloc.c (memref_used_between_p): Check whether a function call
2699         could not reference the memref.
2700
2701 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2702
2703         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2704         algorithm so as to choose the best, not the worst, alternative.
2705         Reset accumulated register class before processing next alternative.
2706
2707 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2708
2709         PR target/24445
2710         * calls.c (expand_call): Copy a return value to a plain register
2711         if needed.
2712
2713 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2714
2715         PR target/24778
2716         * varasm.c (assemble_name): Recompute name only for transparent
2717         aliases.
2718
2719 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2720
2721         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2722
2723 2005-11-04  Jeff Law  <law@redhat.com>
2724
2725         PR middle-end/23181
2726         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2727         perform reassociation if the parent statement will not die as
2728         a result of the optimization.
2729
2730 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2731
2732         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2733         delete_old_heap_vars.
2734         * tree-dfa.c (referenced_var_remove): Remove function.
2735         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2736         (delete_tree_ssa): Remove call to delete_old_heapvars.
2737         Add call to delete_alias_heapvars.
2738         * tree-flow.h (referenced_var_remove): Remove prototype
2739         (init_alias_heapvars): New prototype.
2740         (delete_alias_heapvars): Ditto.
2741         * Makefile.in (tree-ssa-structalias.o): Add
2742         gt-tree-ssa-structalias.o
2743         (GTFILES): Add tree-ssa-structalias.h and
2744         tree-ssa-structalias.c.
2745         (s-gtype): Add gt-tree-ssa-structalias.h.
2746         * tree-ssa-structalias.c (heapvars): Remove.
2747         (oldheapvars): Remove.
2748         (heapvar_for_stmt): New variable.
2749         (heapvar_lookup): New function.
2750         (heapvar_insert): Ditto.
2751         (get_constraint_for): See if we have an old heapvar
2752         to reuse.
2753         (init_alias_heapvars): New function.
2754         (delete_alias_heapvars): Ditto.
2755         Add include of gt-tree-ssa-structalias.h.
2756
2757 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2758
2759         PR middle-end/22127
2760         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2761
2762 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2763
2764         * tree.c (int_fits_type_p): Only look at the base type
2765         if it has the same precision as the original type.
2766
2767 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR other/4372
2770         * varasm.c (assemble_alias): Use %q+D in the error
2771         message instead of %J and %qD.
2772
2773 2005-11-10  Richard Guenther  <rguenther@suse.de>
2774
2775         * gcse.c (free_ldst_entry): Only free hashtable if
2776         it exists.
2777
2778 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2779
2780         * function.c (assign_stack_local_1): Issue an error message if
2781         the frame size overflows in the signed target arithmetics.
2782
2783 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2784
2785         * tree.c (build_qualified_type): Chain the new type to the original
2786         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2787         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2788         (build_pointer_type_for_mode): Only return unqualified types.
2789         (build_reference_type_for_mode): Likewise.
2790
2791 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2792
2793         * Makefile.in (gnucompare): Do comparison of all files using one of
2794         the chosen methods and only afterwards decide if just warning should
2795         be issued or comparison failure raised.
2796
2797 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2798
2799         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2800         (noce_try_abs): Negate if the comparison is reversed.
2801         Look only one instruction backwards for a REG_EQUAL note.
2802
2803 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2804
2805         PR other/4372
2806         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2807         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2808         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2809         and prefix all uses with __ghtrw.
2810
2811 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2812
2813         PR other/4372
2814         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2815         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2816         * c-common.c (handle_weakref_attribute): New.
2817         (c_common_attribute_table): Add weakref.
2818         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2819         in the assembler.
2820         * configure, config.in: Rebuilt.
2821         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2822         * doc/extend.texi: Document weakref attribute.
2823         * varasm.c (ultimate_transparent_alias_target): New
2824         (assemble_name): Use it.
2825         (weak_finish_1): Split out of...
2826         (weak_finish): ... and deal with weakrefs in...
2827         (weakref_targets): ... new list.
2828         (globalize_decl): Clean up weakref_targets.
2829         (do_assemble_alias): Handle weakrefs.
2830         (finish_aliases_1): Do not reject weakrefs to external symbols.
2831         (assemble_alias): Handle weakrefs.
2832
2833 2005-11-09  Richard Guenther  <rguenther@suse.de>
2834
2835         PR tree-optimization/24716
2836         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2837         t_bool to track results from follow_ssa_edge.
2838
2839 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2840
2841         * final.c (force_source_line): New global variable.
2842         (final_scan_insn): Set it to true instead of clearing last_filename.
2843         (notice_source_line): Return true if force_source_line is true,
2844         unless source info is absent.
2845
2846 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2847
2848         PR c/24644
2849         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2850         a linkage name for a variable if it a register variable.
2851         * c-decl.c (grokdeclarator): Global register variables
2852         should be set as PUBLIC.
2853
2854 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2855
2856         PR 24624
2857         * config/s390/s390.c (struct s390_frame_layout): New fields
2858         first_save_gpr_slot and last_save_gpr_slot.
2859         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2860         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2861         first_save_gpr and last_save_gpr with the _slot variants.
2862         (s390_register_info): Calculate first_save_gpr_slot and
2863         last_save_gpr_slot using regs_ever_live.
2864
2865 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2866
2867         PR 24623
2868         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2869         for a function containing a landing pad.
2870
2871 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2872
2873         PR 24034
2874         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2875         is live afterwards.
2876
2877 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2878
2879         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2880         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2881
2882 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2883
2884         Add ms2 support
2885         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2886         constants.
2887         (call,load,store): New insn types.
2888         (mem_access, branch_access): Adjust reservation conditions.
2889         (define_delay): Adjust condition.
2890         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2891         type.
2892         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2893         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2894         insn type.
2895         (call_internal, call_value_internal, return_internal,
2896         return_interrupt_internal, eh_return_internal, indirect_jump,
2897         tablejump): Set call insn type.
2898         (blockage, ei, di): Use appropriate unspec const.
2899         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2900         (ms1_get_attr_type): Adjust to give load & store types.
2901         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2902         backwards past a barrier.
2903         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2904         branch scheduling.
2905         (struct branch_info, struct label_info): New.
2906         (ms1_labels): New.
2907         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2908         (ms1_machine_reorg): New.
2909         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2910         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2911         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2912         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2913         (TARGET_MS2): New.
2914
2915 2005-11-09  Per Bothner  <per@bothner.com>
2916             Uros Bizjak  <uros@kss-loka.si>
2917
2918         PR c/24101
2919         * toplev.c (process_options): Initialize debug_hooks early
2920         in case lang_hooks.post_options ends up calling a debug_hook.
2921
2922 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2923
2924         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2925         DBX_REGISTER_NUMBER being contiguous.
2926
2927 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2928             Diego Novillo  <dnovillo@redhat.com>
2929
2930         PR 23046
2931         * tree-vrp.c (register_edge_assert_for): Do not register
2932         always-false predicates.
2933
2934 2005-11-08  Devang Patel <dpatel@apple.com>
2935
2936         PR tree-optimization/23115
2937         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2938         relation.
2939
2940 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2941
2942         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2943         -mcpu=440.
2944
2945 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2946
2947         Fix PR tree-optimization/23382
2948
2949         * tree-ssa-alias.c (compute_may_aliases): Call
2950         delete_old_heap_vars.
2951         * tree-dfa.c (referenced_var_remove): New function.
2952         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2953         * tree-flow.h (referenced_var_remove): Add prototype.
2954         (delete_old_heap_vars): Ditto.
2955         * tree-ssa-structalias.c (heapvars): New variable.
2956         (oldheapvars): Ditto.
2957         (get_constraint_for): Put heap vars on heapvars list.
2958         (delete_old_heap_vars): New function.
2959
2960 2005-11-08  Jason Merrill  <jason@redhat.com>
2961
2962         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2963
2964 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2965
2966         PR target/19340
2967         * reg-stack.c (reg_to_stack): Update register liveness also
2968         for flag_sched2_use_traces.
2969
2970 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2971
2972         PR target/23704
2973         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2974         override prior explicit -mno-powerpc-gfxopt.
2975
2976 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2977
2978         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2979         if the bitsize is zero.
2980         * doc/md.texi (Standard Pattern Names): Document it.
2981
2982         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2983         (TARGET_PASS_BY_REFERENCE): Likewise.
2984
2985 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2986
2987         PR rtl-optimization/24683
2988         * config/i386/i386.c (legitimize_pic_address): If constant operand
2989         to PLUS is too large, put it in a register.
2990
2991 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2992
2993         * configure.ac: Enable checking assembler dwarf2 support for bfin
2994         target.
2995         * configure: Regenerate.
2996
2997 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2998
2999         PR target/24230
3000
3001         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3002         gen_easy_vector_constant_add_self): Delete.
3003         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3004         New.
3005         (output_vec_const_move): Use gen_easy_altivec_constant.
3006         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3007         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3008         (easy_vector_constant_add_self): Rewritten.
3009         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3010         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3011         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3012         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3013         Macroize and adjust for the other changes.
3014
3015 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3016
3017         PR c/24599
3018
3019         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3020         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3021
3022 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3023
3024         PR rtl-optimization/23567
3025         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3026         (noce_process_if_block): Don't do any optimizations except
3027         if (cond) x = x; if !set_b and write into orig_x may trap
3028         or fault.  Remove the MEM_READONLY_P check.
3029
3030 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3031
3032         PR 24670
3033         * tree-vrp.c (fix_equivalence_set): New.
3034         (extract_range_from_assert): Call it.
3035
3036 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3037
3038         PR target/22432
3039         * combine.c (apply_distributive_law): Don't distribute across a
3040         vector mode subreg.
3041
3042 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3043
3044         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3045         config/ms1/ms1.h, config/rs6000/predicates.md,
3046         config/s390/s390.c, params.def, postreload-gcse.c,
3047         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3048         tree-vrp.c, tree.c: Fix comment typos.
3049         * doc/invoke.texi: Fix typos.
3050
3051 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3052
3053         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3054         for testing whether the data_dependence_relation contains distance
3055         vectors.  Iterate over all distance vectors of the ddr.
3056         * lambda.h: Define a vec of lambda_vector pointers.
3057         * tree-data-ref.c (dump_data_dependence_relation,
3058         dump_data_dependence_direction): Iterate over all distance and
3059         direction vectors of the ddr.
3060         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3061         DDR_DIST_VECTS.
3062         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3063         of distance/direction vectors instead of a single one.
3064         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3065         lambda_vectors with a vec of lambda_vectors.
3066         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3067         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3068         DDR_NUM_DIST_VECTS): New.
3069         * tree-loop-linear.c (gather_interchange_stats): Test for the
3070         existence of distance vectors only after having checked that there
3071         is a dependence.  Iterate over all distance vectors of the ddr.
3072         (linear_transform_loops): Use dump_data_dependence_relation.
3073         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3074         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3075         distance vectors of the ddr.
3076
3077 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3078
3079         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3080         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3081         IS_INTHANDLER; all callers changed.
3082         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3083         account.
3084         (do_link, do_unlink): New argument ALL; all callers changed.
3085         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3086         If function isn't leaf, save and restore all registers.
3087         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3088         exception handler.
3089
3090 2005-11-05  Jan Hubicka  <jh@suse.cz>
3091
3092         PR rtl-optimization/23490
3093         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3094         max-flow-memory-location): Document.
3095         * flow.c: Include params.h
3096         (MAX_MEM_SET_LIST_LEN): Kill.
3097         (add_to_mem_set_list): Use new param.
3098         * cse.c (cse_basic_block): Replace 1000 by new param.
3099         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3100         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3101         * predict.c (predict_loops): Use new param.
3102         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3103
3104         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3105         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3106         Do not hold memory returned by cgraph_node_name across other call.
3107
3108 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3109
3110         PR target/23424
3111         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3112         Disable.
3113
3114 2005-11-04  Jeff Law  <law@redhat.com>
3115
3116         PR/21883
3117         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3118         * tree-ssa-dom.c: Include params.h.
3119         (thread_across_edge): If there are too many statements in the
3120         target block, then do not thread through it.
3121         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3122         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3123
3124 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3125
3126         PR 24627
3127         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3128         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3129
3130 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3131
3132         PR/18595
3133         * tree-scalar-evolution.c (instantiate_parameters_1,
3134         instantiate_parameters, resolve_mixers): Compute the size of an
3135         expression to be instantiated and give up the instantiation if the
3136         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3137
3138 2005-11-04  Richard Guenther  <rguenther@suse.de>
3139
3140         * tree-flow.h (ref_contains_indirect_ref): Rename to
3141         array_ref_contains_indirect_ref.
3142         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3143         (array_ref_contains_indirect_ref): Make comment match the code
3144         and vice-versa.
3145         (ref_contains_array_ref): Likewise.
3146         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3147         ref_contains_indirect_ref.
3148         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3149         Rename calls to ref_contains_indirect_ref.
3150
3151 2005-11-04 Paul Brook  <paul@codesourcery.com>
3152
3153         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3154         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3155         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3156         * config/arm/arm.md: Use match_operand in peephole input templates
3157         and match_dup in peephole output templates.
3158
3159 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3160
3161         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3162         __aeabi_uidiv.
3163
3164 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3165             Daniel Jacobowitz  <dan@codesourcery.com>
3166
3167         * longlong.h (add_ssaaaa): Clobber condition code register
3168         in ARM version.
3169         (sub_ddmmss): Likewise.
3170         (umul_ppmm): Likewise.
3171
3172 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3173             Paul Brook  <paul@codesourcery.com>
3174             Phil Blundell  <pb@reciva.com>
3175
3176         * configure.ac: Add test for ARM TLS support.
3177         * configure: Regenerated.
3178         * config/arm/arm-protos.h (legitimize_tls_address)
3179         (arm_tls_referenced_p, tls_mentioned_p)
3180         (arm_output_addr_const_extra): New prototypes.
3181         (thumb_legitimize_pic_address): Delete.
3182         * config/arm/arm.c: Include "gt-arm.h".
3183         (enum tls_reloc): New.
3184         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3185         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3186         (arm_call_tls_get_addr, legitimize_tls_address)
3187         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3188         (arm_init_tls_builtins, arm_emit_tls_decoration)
3189         (arm_output_addr_const_extra): New functions.
3190         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3191         (TARGET_HAVE_TLS): Define.
3192         (target_thread_pointer): New.
3193         (arm_override_options): Handle -mtp=.
3194         (legitimize_pic_address): Ignore UNSPECs.
3195         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3196         relative symbols.
3197         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3198         (tls_get_addr_libfunc): New variable.
3199         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3200         (arm_init_builtins): Call arm_init_tls_builtins.
3201         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3202         (arm_encode_section_info): Call default_encode_section_info.
3203         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3204         (enum arm_tp_type): New.
3205         (target_thread_pointer): Add declaration.
3206         (LEGITIMATE_CONSTANT_P): Handle TLS.
3207         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3208         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3209         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3210         * config/arm/arm.md: Add UNSPEC_TLS.
3211         (movsi): Handle TLS.
3212         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3213         non-PIC.
3214         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3215         (load_tp_hard, load_tp_soft): New insns.
3216         * arm.opt: Add -mtp=.
3217         * doc/invoke.texi (ARM Options): Document -mtp.
3218
3219 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3220
3221         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3222         * config/arm/libunwind.S: Include "lib1funcs.asm".
3223         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3224         (LIB2ADDEH): Add libunwind.S.
3225         (LIB2ADDEHDEP): Add lib1funcs.asm.
3226         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3227
3228 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3229
3230         PR fortran/18452
3231         * gcc/c.opt: Add a -lang-fortran option.
3232         * gcc/c-opts.c: Add a lang_fortran flag.
3233         (c_common_init_options): Handling the -lang-fortran option.
3234         (c_common_handle_option): Add a case for Fortran options in
3235         preprocessing. Remove cases for -ffixed-form and
3236         -ffixed-line-length. Add a case for -lang-fortran.
3237
3238 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3239
3240         * config/rs6000/rs6000.c: Include params.h
3241         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3242         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3243         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3244         (UNSPEC_VPKUWSS): Delete.
3245         (altivec_vpkuhss): Delete.
3246         (altivec_vpkuwss): Delete.
3247         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3248         final condition.
3249         (neg_eq0<mode>): Remove final condition.
3250         (neg_eq<mode>): Remove condition and split-condition.
3251
3252 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3253
3254         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3255         Use associated print macros.
3256
3257 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3258
3259         PR c++/17964
3260         * diagnostic.c (diagnostic_set_info_translated): New function.
3261         (diagnostic_set_info): Use it.  Add comment.
3262         * diagnostic.h (diagnostic_set_info_translated): Declare.
3263
3264 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3265
3266         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3267         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3268         reference only if 'public' is true.
3269         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3270         emit the .hidden directive only if the indirect reference is public.
3271         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3272         Pass it to dw2_force_const_mem.
3273         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3274         * dwarf2out.c (output_cfi): Adjust calls to above function.
3275         (output_call_frame_info): Likewise.
3276         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3277         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3278
3279 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3280
3281         PR tree-optimization/24483
3282         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3283         field to elts if possible.
3284
3285 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3286
3287         PR middle-end/23155
3288         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3289         CONSTRUCTOR.
3290
3291 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3292
3293         Fix PR tree-optimization/24351
3294
3295         * tree-ssa-structalias.c (struct variable_info): Add
3296         collapsed_into.
3297         (get_varinfo_fc): New function to follow collapsing.
3298         (new_var_info): Set collapsed_to to NULL.
3299         (dump_constraint): Follow collapsing.
3300         (build_constraint_graph): Handle collapsing.
3301         (do_simple_structure_copy): Return false if something bad
3302         happened.
3303         (collapse_rest_of_var): New function.
3304         (do_structure_copy): Collapse if do_simple_structure_copy returns
3305         false.
3306
3307 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3308
3309         PR middle-end/24589
3310         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3311         expressions to a statement list instead of gimplifying them.
3312
3313 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3314
3315         PR rtl-optimization/23585
3316         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3317         that can't trap plus a constant integer, if the mode has zero size.
3318
3319 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3320
3321         PR target/24620
3322         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3323         as operand 2.
3324         ("*insv<mode>_reg_extimm"): Likewise.
3325
3326 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3327
3328         PR c/24329
3329         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3330         c_common_type_for_mode returns an unnamed type.
3331
3332 2005-11-02  Richard Henderson  <rth@redhat.com>
3333
3334         PR target/9350
3335         PR target/24374
3336         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3337         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3338         * function.c (assign_parms): Use calls.internal_arg_pointer.
3339         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3340         code.
3341         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3342         (TARGET_CALLS): Add it.
3343         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3344         * targhooks.c (default_internal_arg_pointer): New.
3345         * targhooks.h (default_internal_arg_pointer): Declare.
3346         * tree.h (dwarf2out_reg_save_reg): Declare.
3347         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3348         * config/i386/i386.c (dbx_register_map): Add return column.
3349         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3350         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3351         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3352         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3353         (ix86_save_reg): Save force_align_arg_pointer.
3354         (ix86_emit_save_regs): Make regno unsigned.
3355         (ix86_emit_save_regs_using_mov): Likewise.
3356         (ix86_expand_prologue): Handle force_align_arg_pointer.
3357         (ix86_expand_epilogue): Likewise.
3358         * config/i386/i386.h: (dbx_register_map): Update.
3359         (dbx64_register_map, svr4_dbx_register_map): Update.
3360         (struct machine_function): Add force_align_arg_pointer.
3361         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3362         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3363         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3364
3365 2005-11-02  Jan Hubicka  <jh@suse.cz>
3366
3367         PR target/23303
3368         * i386.md: Add peep2 for simplyfing array accesses.
3369
3370 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3371
3372         PR target/24615
3373         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3374         * config/s390/s390.c (s390_decompose_shift_count): New function.
3375         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3376         (print_shift_count_operand): Use s390_decompose_shift_count.
3377         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3378         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3379
3380 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3381
3382         PR target/24600
3383         * loop.c (loop_givs_rescan): Use force_operand to expand
3384         complex GIVs.
3385
3386 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3387
3388         PR 22429
3389         * fold-const.c (build_range_check): Use unsigned when signed
3390         overflow is undefined also.  If etype is subtype, make sure that
3391         the subtraction is in the supertype.
3392
3393 2005-11-02  Richard Henderson  <rth@redhat.com>
3394
3395         PR target/24178
3396         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3397         by MEM_ALIGN.
3398
3399 2005-11-01  Richard Henderson  <rth@redhat.com>
3400
3401         PR 21518
3402         * loop.c (scan_loop): Do not propagate computations to a hard
3403         register destination with SMALL_REGISTER_CLASSES.
3404
3405 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3406
3407         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3408         costs for MULT inside PLUS or MINUS.
3409
3410 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3411
3412         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3413         (TRAMPOLINE_SIZE): Round up to 60.
3414         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3415
3416 2005-10-31  James E. Wilson  <wilson@specifix.com>
3417
3418         PR debug/24444
3419         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3420         ifdef.  Put ifdefs around call in gen_subprogram_die.
3421         (compute_frame_pointer_to_cfa_displacement): Likewise.
3422         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3423         not defined.
3424
3425         PR rtl-optimization/17356
3426         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3427         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3428
3429 2005-10-31  Jan Hubicka  <jh@suse.cz>
3430
3431         PR middle-end/24093
3432         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3433
3434         PR target/20928
3435         * i386.c (legitimize_pic_address): Deal with large immediates.
3436
3437         PR profile/20815
3438         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3439         from symbol names while computing checkup.
3440
3441         PR profile/24487
3442         * predict.c (predict_loops): Do not estimate more than
3443         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3444         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3445
3446 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3447
3448         PR tree-optimization/19097
3449         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3450
3451 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3452
3453         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3454
3455 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3456
3457         PR middle-end/23492
3458         * tree-inline.c (setup_one_parameter): If the init_stmt
3459         is NULL, don't insert the statement.
3460
3461 2005-10-30  Jan Hubicka  <jh@suse.cz>
3462
3463         PR tree-optimization/24172
3464         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3465
3466 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3467
3468         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3469         constants for hosts with long != 32 bits.
3470
3471 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3472
3473         PR middle-end/24093
3474         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3475
3476 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3477
3478         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3479         (TARGET_MS1_16_002): New.
3480         (TARGET_MS1_16_003): New.
3481
3482         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3483         ("*decrement_and_branch_until_zero_no_clobber"): New.
3484         Add corresponding splitter for decrement_and_branch_until_zero
3485         instruction.
3486         Key all decrement_and_branch_until_zero patterns off of
3487         TARGET_MS1_16_003.
3488
3489 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3490
3491         PR middle-end/24362
3492         * tree-complex.c (extract_component): Treat RESULT_DECL
3493         like the rest of the decls.
3494
3495 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3496
3497         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3498         indirect call to _mcount if the function needs a static chain.
3499
3500 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3501             Caroline Tice  <ctice@apple.com>
3502
3503         PR rtl-optimization/24460
3504         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3505         (dwarf2out_switch_text_section): Set it to true instead of
3506         incrementing separate_line_info_table_in_use.
3507         (output_loc_list): Additionally test have_switched_text_sections.
3508         (output_ranges): Likewise.
3509         (dwarf2out_finish): Likewise.
3510         * varasm.c (assemble_start_function): Do not call
3511         insert_section_boundary_note.
3512         (assemble_end_function): If flag_reorder_blocks_and_partition,
3513         switch to the function's section before emitting the .size directive.
3514         * bb-reorder.c (insert_section_boundary_note): Staticify.
3515         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3516         * output.h (insert_section_boundary_note): Delete.
3517
3518 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3519
3520         PR c/23103
3521         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3522         instead of pointer equality when comparing types.
3523
3524 2005-10-24  James E. Wilson  <wilson@specifix.com>
3525
3526         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3527         add_dependence_list_and_free calls.
3528
3529 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3530
3531         * contrib.texi: Add the names of the LLNL folks who donated
3532         Cray pointer support for gfortran.
3533
3534 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3535
3536         PR tree-optimization/24225
3537         * profile.c (branch_prob): Look from end to start through a
3538         basic block when looking for a locus.
3539
3540 2005-10-24  Richard Henderson  <rth@redhat.com>
3541
3542         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3543         parallel.
3544         (hppa_expand_prologue): Likewise.
3545
3546 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3547
3548         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3549         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3550         * pa.h (NO_PROFILE_COUNTERS): Define.
3551         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3552         (funcdef_nos): New vector to hold label numbers of deferred profile
3553         counters.
3554         (output_deferred_profile_counters): New function.
3555         (hppa_profile_hook): Push label number onto funcdef_nos.
3556         (pa_hpux_file_end): Call output_deferred_profile_counters if
3557         NO_DEFERRED_PROFILE_COUNTERS is false.
3558
3559         * pa-protos.h (get_deferred_plabel): New prototype.
3560         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3561         Make global.
3562         (output_call): Adjust calls.
3563
3564 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3565
3566         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3567         peculiarity of GOT/TOC section usage.
3568
3569 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3570
3571         PR objc/24435
3572          * c-common.c (constant_string_class_name): Add documentation.
3573
3574 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3575
3576         PR target/23832
3577         * recog.c (peephole2_optimize): Increment peep2_current_count
3578         only when the slot is empty.
3579
3580 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3581
3582         PR ada/23957
3583         * except.c (output_function_exception_table): Call
3584         assemble_external_libcall if we need a personality function.
3585
3586 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3587
3588         PR rtl-optimization/24460
3589         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3590         set the basic block for barriers.
3591
3592 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3593
3594         * var-tracking.c (vt_initialize): Initialize post.
3595
3596 2005-10-21  Devang Patel  <dpatel@apple.com>
3597
3598         PR/24220
3599         * c-common.c (vector_types_convertible_p): Check vector element type.
3600
3601 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3602
3603         * config/sh/sh.c (prepare_move_operands): Handle the address
3604         constant which is a tls symbolic address plus a constant.
3605
3606 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3607
3608         PR driver/24473
3609         * gcc.c (main): Use the correct counter for erroring out
3610         about mulitple files.
3611
3612 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3613
3614         PR target/24465
3615         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3616         use r2 for 64-bit tls .got access.
3617
3618 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3619
3620         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3621         TRUTH_OR_EXPR.
3622
3623 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3624
3625         PR tree-optimization/24307
3626         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3627
3628 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3629
3630         PR middle-end/24295
3631         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3632         alias targets.
3633         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3634         is ready, stop marking functions, but still mark variables.
3635
3636 2005-10-20  Richard Guenther  <rguenther@suse.de>
3637
3638         PR c++/24439
3639         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3640         void type operands.
3641
3642 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3643
3644         PR rtl-optimization/23585
3645         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3646         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3647         (may_trap_p_1): New predicate extracted from...
3648         (may_trap_p): ... here.  Invoke may_trap_p_1.
3649         (may_trap_or_fault_p): New predicate.
3650         * rtl.h (may_trap_or_fault_p): Declare it.
3651         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3652         instead of may_trap_p.
3653         (steal_delay_list_from_fallthrough): Likewise.
3654         (fill_simple_delay_slots): Likewise.
3655         (fill_slots_from_thread): Likewise.
3656         * function.c (pad_to_arg_alignment): Rework comment about
3657         SPARC_STACK_BOUNDARY_HACK.
3658         * config/sparc/sparc.h: Likewise.
3659
3660 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3661
3662         * config/s390/s390.c (s390_expand_insv): New.
3663         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3664         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3665         ("icm_hi"): Remove mode attribute.
3666         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3667         Adjust all uses.
3668         ("*extracthi", "*extractqi"): Remove.
3669         (extv<mode>", "*extzv<mode>"): New.
3670         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3671         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3672
3673 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3674
3675         * cfgexpand.c (discover_nonconstant_array_refs_r,
3676         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3677         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3678         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3679         discover_nonconstant_array_refs.
3680
3681 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3682
3683         PR c/23228
3684         * c-decl.c (pop_scope): Don't warn about an unused variable
3685         if it is marked with TREE_NO_WARNING.
3686         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3687         somenow mismatch and olddecl is to be replaced.
3688
3689 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3690
3691         PR middle-end/23199
3692         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3693         whether registers live on the edge can be saved/restored.
3694
3695 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3696
3697         * config/sh/sh.c (fixup_mova): Skip notes.
3698
3699 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3700
3701         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3702         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3703         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3704         (s390_initial_elimination_offset): Likewise.
3705         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3706         register on TARGET_ZARCH targets.
3707         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3708         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3709         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3710         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3711
3712 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3713
3714         * config/s390/s390.md: Comment describing output modifiers updated.
3715         * config/s390/s390.c (print_operand): Likewise.
3716
3717 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3718
3719         * config/s390/s390.c (override_options): Added check for -mstack-size
3720         64k limitation.
3721         * doc/invoke.texi: Mention that limit in the documenation.
3722
3723 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3724
3725         PR #19672
3726         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3727
3728 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3729
3730         Fix PR tree-optimization/24231
3731
3732         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3733         (compute_avail): Ditto.
3734
3735 2005-10-18  Richard Henderson  <rth@redhat.com>
3736
3737         PR target/24428
3738         * config/i386/i386.c (legitimate_constant_p): Check
3739         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3740         if LABEL_REF.
3741         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3742         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3743         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3744         directly.
3745         (print_operand_address): Likewise.
3746         * config/i386/predicates.md (x86_64_immediate_operand): Test
3747         SYMBOL_REF_TLS_MODEL properly inside CONST.
3748         (x86_64_zext_immediate_operand): Likewise.
3749         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3750         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3751         * config/i386/i386-protos.h: Remove predicates.md entries.
3752
3753 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3754
3755         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3756         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3757
3758 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3759             Ian Lance Taylor <ian@airs.com>
3760
3761         PR middle-end/23522
3762         * fold-const.c (fold_widened_comparison): Do not allow range based
3763         constant folding when right operand cannot be unwidened.
3764
3765 2005-10-17  Richard Henderson  <rth@redhat.com>
3766
3767         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3768         with a memory clobber.
3769
3770 2005-10-17  James E Wilson  <wilson@specifix.com>
3771
3772         PR rtl-optimization/17356
3773         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3774         checking for EDGE_EH.
3775
3776 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3777
3778         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3779         the slot on an even boundary for any type with 16-byte alignment.
3780
3781 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3782
3783         PR target/23424
3784         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3785         after register allocation.
3786
3787 2005-10-17  DJ Delorie  <dj@redhat.com>
3788
3789         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3790         as frame related.
3791
3792 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3793
3794         PR c++/22551
3795         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3796         overflow flags.
3797
3798 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3799
3800         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3801         to 2 if it's already non-zero.
3802         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3803         is set and warn about it if flag_schedule_insns is 1.
3804
3805 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3806
3807         * config/crx/crx.md: Compare-and-branch instructions need to
3808         invalidate CC.
3809
3810 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3811
3812         PR target/24315
3813         * config/i386/i386.md (*pushdi2_rex64 splitter)
3814         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3815         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3816         flow2 pass only when (optimize > 0 && flag_peephole2).
3817
3818 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3819
3820         PR driver/22544
3821         * gcc.c (have_c): New static variable.
3822         (have_o): Likewise.
3823         (process_command): Remove declation of have_c.
3824         Set have_o to 1 when handling -o.
3825         (main): Add a fatel error if there are multiple
3826         files specified and -o and -c/-S is passed witout
3827         -combine or multiple languages.
3828
3829 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3830
3831         Fix PR tree-optimization/22444
3832         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3833         Assert that we don't hit something with subvars.
3834         (setup_pointers_and_addressables): Don't add things with subvars,
3835         because we'll already process the subvars for aliasing purposes.
3836
3837 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3838
3839         PR target/23424
3840         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3841         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3842         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3843         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3844         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3845         swapped, alternatives for the R constraint.
3846
3847         PR middle-end/24341
3848         * builtins.c (get_builtin_sync_mode): Make unlimited
3849         mode_for_size request.
3850
3851 2005-10-15  Richard Henderson  <rth@redhat.com>
3852
3853         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3854         (gimplify_expr): ... here.
3855         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3856         fb_lvalue in base expression.
3857
3858 2005-10-15  Richard Henderson  <rth@redhat.com>
3859
3860         PR 23714
3861         * builtins.c (expand_builtin_trap): Export.
3862         * expr.h (expand_builtin_trap): Declare.
3863         * expr.c (expand_assignment): Emit a trap for integral offsets
3864         from registers that weren't reduced to bitpos.
3865
3866         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3867         (mark_array_ref_addressable): Remove.
3868         * tree-flow.h (mark_array_ref_addressable): Remove.
3869         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3870
3871 2005-10-15  James E Wilson  <wilson@specifix.com>
3872
3873         PR target/24232
3874         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3875         (add_dependence_list_and_free): Likewise.
3876         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3877         call.
3878
3879 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3880
3881         PR 23141
3882         PR 23142
3883         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3884         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3885         anti-range.
3886         (vrp_visit_phi_node): Only prevent infinite iterations when
3887         the previous result and the new result are both VR_RANGEs.
3888
3889 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3890
3891         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3892         function comment.
3893
3894 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3895
3896         PR c/23439
3897         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3898         to initialize loc.
3899
3900 2005-10-14  Per Bothner  <per@bothner.com>
3901
3902         PR preprocessor/21250
3903         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3904
3905 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3906
3907         PR c++/22551
3908         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3909         overflow flags.  Refactor some conditionals.
3910
3911 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3912
3913         PR tree-opt/21304
3914         * tree-dfa.c (add_referenced_var): Only look at decls which
3915         have TREE_CONSTANT or TREE_READONLY set instead of if
3916         !TREE_PUBLIC or !TREE_CONSTANT.
3917
3918 2005-10-13  James E Wilson  <wilson@specifix.com>
3919
3920         * doc/invoke.texi: For -x, add f95-cpp-input.
3921         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3922
3923 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3924
3925         PR tree-optimization/24262
3926         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3927         in loop all the time.
3928
3929 2005-10-12  Richard Henderson  <rth@redhat.com>
3930
3931         PR c/24255
3932         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3933         * function.c (assign_parm_find_data_types): Don't support it.
3934         * print-tree.c (print_node): Likewise.
3935         * c-common.c (handle_transparent_union_attribute): Likewise.
3936         Use build_duplicate_type.
3937         * tree-inline.c (remap_type_1): Split out of remap_type;
3938         properly remap aggregate fields.
3939         (build_duplicate_type): New.
3940         * doc/extend.texi (Variable Attributes): Remove documentation
3941         for transparent_union.
3942
3943 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3944
3945         PR target/24284
3946         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3947         (gen_stack_pointer_dec): Likewise.
3948
3949 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3950
3951         PR middle-end/21275
3952         PR middle-end/21766
3953         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3954         target hook.
3955         (struct cxx): Add adjust_class_at_definition target hook.
3956         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3957         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3958         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3959         hook_void_tree. Add to TARGET_CXX.
3960         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3961         dllimport_flag.
3962         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3963         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3964         instead of attribute. Check for dllexport override.  Warn if
3965         inconsistent dll linkage. Don't lose old dllimport if decl has
3966         had address referenced.   Tweak lookup of dllimport atribute.
3967         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3968         for target specific rules.  Don't add dllimport attribute if
3969         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3970         dllimport attribute.
3971         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3972         * varasm.c (initializer_constant_valid_p): Replace
3973         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3974
3975         PR target/21801
3976         PR target/23589
3977         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3978         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3979         (i[34567]86-*-mingw32*): Likewise.
3980
3981         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3982         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3983
3984         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3985         C++-specific code. Change return value to bool.
3986         (i386_pe_dllimport_p): Likewise.
3987         (associated_type): Simplify and make language-independent
3988         (i386_pe_encode_section_info): Replace override of ambiguous
3989         dllimport symbol refs with a gcc_assert.
3990         (i386_pe_valid_dllimport_attribute_p): Define.
3991         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3992         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3993         i386_pe_adjust_class_at_definition.
3994         * config/i386/winnt-stubs.c: New file. Define stub versions of
3995         lang-specific functions.
3996         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3997         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3998         i386_pe_adjust_class_at_definition.
3999         (i386_pe_valid_dllimport_attribute_p): Declare.
4000         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4001         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4002         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4003
4004         PR target/19704
4005         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4006         dllimport attribute with test of DECL_DLLIMPORT_P.
4007
4008 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4009
4010         * combine.c (make_extraction): Correct offset computation.
4011
4012 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4013
4014         * config/cris/t-linux (LIMITS_H_TEST): Define.
4015
4016 2005-10-12  Richard Henderson  <rth@redhat.com>
4017
4018         PR rtl-opt/23324
4019         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4020
4021 2005-10-12  Richard Guenther  <rguenther@suse.de>
4022
4023         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4024
4025 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4026
4027         PR c++/19964
4028         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4029         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4030         type.
4031
4032 2005-10-12  Richard Guenther  <rguenther@suse.de>
4033
4034         PR c++/23799
4035         * varasm.c (output_constant): Correct typo from previous
4036         patch by DJ.
4037
4038 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4039
4040         PR rtl-optimization/13931
4041         * combine.c: Revert patch of 2003-05-14, and:
4042         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4043         completely killed in the appropriate insn.
4044         (distribute_notes): Don't skip multiple hard register test for
4045         elim_i1 and elim_i2.
4046
4047 2005-10-11  Richard Henderson  <rth@redhat.com>
4048
4049         PR c/24255
4050         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4051         to initialize a transparent union instead of a nop_expr.
4052
4053 2005-10-11  Richard Henderson  <rth@redhat.com>
4054
4055         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4056         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4057         (tree_ssa_dce_loop): Call scev_reset.
4058
4059         PR tree-opt/24300
4060         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4061         * tree-ssa-dce.c: Include cfgloop.h.
4062         (tree_ssa_dce_loop, pass_dce_loop): New.
4063         * tree-pass.h (pass_dce_loop): Declare it.
4064         * passes.c (init_optimization_passes): Use it.
4065
4066 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4067
4068         PR middle-end/24263
4069         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4070         Only apply the optimization for rounding builtins if the inner
4071         cast is also an extension.
4072
4073 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4074
4075         PR tree-opt/23946
4076         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4077         mark_new_vars_to_rename instead of update_stmt.
4078
4079 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4080
4081         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4082
4083 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4084
4085         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4086         for setting MMX register to 0 rather than mmx.
4087
4088 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4089
4090         PR target/12098
4091         * configure.ac: Move gas check from mips specific case to common case.
4092         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4093         * configure: Regenerate
4094         * doc/install.texi: Update.
4095
4096 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4097
4098         PR target/24284
4099         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4100
4101 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4102
4103         * gcc.c (do_spec_1): Accept numeric characters in file name
4104         suffixes.
4105
4106 2005-10-10  Nick Clifton  <nickc@redhat.com>
4107
4108         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4109         describing the deleted arm_gen_rotated_half_load function.
4110
4111 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4112
4113         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4114         __fpscr_values.
4115
4116 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4117
4118         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4119         gnu_ld assignments.
4120         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4121         (EXTRA_MULTILIB_PARTS): Define.
4122         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4123         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4124         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4125         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4126         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4127         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4128
4129 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4130
4131         PR tree-optimization/24226
4132         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4133         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4134         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4135         Export.
4136
4137 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4138
4139         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4140
4141 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4142
4143         PR target/24136
4144         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4145         Rewrite for no need for the early clobber.
4146
4147 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4148
4149         Merge from csl-arm-branch:
4150         2005-09-07  Paul Brook  <paul@codesourcery.com>
4151         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4152         space to string.
4153
4154         2005-04-30  Paul Brook  <paul@codesourcery.com>
4155         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4156         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4157
4158         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4159         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4160         (arm_override_options): Use TARGET_AAPCS_BASED.
4161         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4162         (PTRDIFF_TYPE): Use int for AAPCS.
4163         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4164         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4165         (DEFAULT_SHORT_ENUMS): Delete.
4166         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4167
4168         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4169         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4170         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4171         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4172
4173         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4174         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4175
4176         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4177         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4178
4179         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4180         * config.gcc (arm*-*-linux-gnueabi): Add it.
4181         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4182         redefining it.
4183         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4184         * config/arm/linux-eabi.h: New file.
4185         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4186         (LINUX_TARET_LINK_SPEC): Likewise.
4187         (LINK_SPEC): Use it.
4188         * config/arm/t-linux-eabi: New file.
4189
4190 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4191
4192         PR other/22202
4193         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4194         spaces.
4195         (PARAM_SMS_DFA_HISTORY): Likewise.
4196
4197 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4198
4199         PR middle-end/23150
4200         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4201         (load_register_parameters): Call it.
4202         (check_sibcall_argument_overlap_1): Likewise.
4203         (store_one_arg): Likewise.
4204
4205 2005-10-07  James E. Wilson  <wilson@specifix.com>
4206
4207         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4208         DImode not VECINT24 for operand 2.
4209
4210         PR target/23644
4211         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4212         -mtune-arch.
4213
4214         PR target/24193
4215         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4216         fr_spill): Use destination_operand for operand 0.
4217
4218 2005-10-07  DJ Delorie  <dj@redhat.com>
4219
4220         * varasm.c (output_constant): Limit error to expanding
4221         conversions.
4222
4223 2005-10-07  Richard Guenther  <rguenther@suse.de>
4224
4225         PR middle-end/24227
4226         * fold-const.c (fold_binary): Fix operand types during folding
4227         of X op (A, Y).  Evaluation order of the side-effects of
4228         X and A are frontend-defined, so ensure we honour that even for
4229         tcc_comparison class operands; eased by removing duplicate code.
4230
4231 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4232
4233         * stor-layout.c (layout_type): Do not allow alignment of array
4234         elements to be greater than their size.
4235
4236 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4237
4238         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4239         host_xmake_file.
4240         (hppa*-*-linux*): Ditto.
4241         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4242         * config/host-hpux.c: New.
4243         * config/x-hpux: New.
4244         * config/pa/x-hpux: Remove.
4245         * config/pa/x-linux: Remove.
4246         * config/pa/pa-host.c: Remove.
4247
4248 2005-10-07  Jeff Law  <law@redhat.com>
4249
4250         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4251         determine whether or not to try and thread outgoing edges.
4252
4253 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4254
4255         * config/rs6000/rs6000.md (eqsi_power): New.
4256         (neg_eq0si): Add TARGET_POWER to final condition.
4257         (neg_eqsi): Same.
4258
4259 2005-10-06  Richard Henderson  <rth@redhat.com>
4260
4261         * config/rs6000/rs6000.c: Revert last change.
4262
4263 2005-10-06  Richard Henderson  <rth@redhat.com>
4264
4265         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4266         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4267
4268 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4269
4270         PR middle-end/22216
4271         PR middle-end/23651
4272         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4273         out return_label and naked_return_label.
4274
4275 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4276
4277         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4278         change.
4279
4280 2005-10-06  Richard Henderson  <rth@redhat.com>
4281
4282         PR tree-opt/22237
4283         * tree-inline.c (declare_return_variable): Handle modify_dest not
4284         being a DECL.
4285
4286 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4287
4288         Fix PR tree-optimization/22488
4289         * tree-ssa-structalias.c (check_for_overlaps): New function.
4290         (create_variable_info_for): Use it.
4291
4292 2005-10-06  Richard Henderson  <rth@redhat.com>
4293
4294         PR debug/24070
4295         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4296         (dwarf2out_start_source_file): Print it.
4297
4298 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4299
4300         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4301
4302 2005-10-06  Richard Henderson  <rth@redhat.com>
4303
4304         PR 23706
4305         * mode-switching.c (optimize_mode_switching): Clear transp bit
4306         for block with incomming abnormal edges.
4307
4308         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4309         (fpscr_set_from_mem): Use them.
4310         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4311         (fpscr postinc splitters): Rewrite as peephole2+split.
4312
4313 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4314
4315         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4316         (eq<mode>_compare): Same.
4317
4318 2005-10-06  Richard Guenther  <rguenther@suse.de>
4319
4320         PR tree-optimization/24238
4321         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4322
4323 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4324
4325         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4326         here.  Use AC_PATH_PROG for environment variables instead of
4327         test -x.
4328         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4329         objdump also.
4330         * configure: Regenerated.
4331
4332 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4333
4334         PR target/23783
4335         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4336         then force it into a register.
4337         (call_value): Likewise.
4338
4339 2005-10-06  Richard Henderson  <rth@redhat.com>
4340
4341         PR 24049
4342         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4343         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4344         under pass_vectorize.
4345
4346 2005-10-05  Devang Patel  <dpatel@apple.com>
4347
4348         PR Debug/23205
4349         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4350         handling constants. Check NAMESPACE_DECL context for constants.
4351
4352 2005-10-05  Eric Christopher  <echristo@apple.com>
4353
4354         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4355
4356 2005-10-05  Richard Henderson  <rth@redhat.com>
4357
4358         PR 23714
4359         * tree-cfg.c (mark_array_ref_addressable_1): New.
4360         (mark_array_ref_addressable): New.
4361         * tree-flow.h (mark_array_ref_addressable): Declare.
4362         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4363
4364 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4365
4366         PR middle-end/20606
4367         PR middle-end/24069
4368         * reload.c (subst_reloads): When adding a REG_LABEL to a
4369         jump instruction, also update JUMP_LABEL.
4370
4371 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4372
4373         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4374         * bb-reorder.c (copy_bb_p): Use it.
4375         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4376
4377 2005-10-05  Richard Henderson  <rth@redhat.com>
4378
4379         PR target/23602
4380         * toplev.c (process_options): Warn about unsupported combinations
4381         of unwind tables and omit-frame-pointer.
4382         * config/i386/i386.c (override_options): Similarly.  Enable
4383         accumulate-outgoing-args if not explicitly disabled.
4384
4385 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4386
4387         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4388         Handle big endian vs. small endian.
4389         (vec_initv2sf): Handle big endian vs. small endian.
4390         (*vec_extractv2sf_1): Ditto.
4391
4392 2005-10-05  Dale Johannesen  <dalej@apple.com>
4393
4394         * convert.c (convert_to_real):  Don't convert
4395         (float)floor(double d) to floorf((float)d).
4396
4397 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4398
4399         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4400
4401 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4402
4403         PR tree-optimization/18587
4404         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4405         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4406         build_vuses): Change to VEC type.
4407         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4408         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4409         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4410         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4411         (get_name_decl): New.  Return DECL_UID of base variable.
4412         (operand_build_cmp): New.  qsort comparison routine.
4413         (operand_build_sort_virtual): New.  Sort virtual build vector.
4414         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4415         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4416         (FINALIZE_BASE): Use get_name_decl.
4417         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4418         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4419         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4420         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4421         direct VEC_* manipulations.
4422         (build_ssa_operands): Call operand_build_sort_virtual.
4423         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4424         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4425         with direct VEC_* manipulations.
4426         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4427         with direct VEC manipulations.
4428
4429 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4430
4431         PR tree-optimization/21419
4432         PR tree-optimization/24146
4433         PR tree-optimization/24151
4434
4435         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4436         (build_asm_expr): Call it if outputs are read-only.
4437         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4438
4439 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4440             Paolo Bonzini  <bonzini@gnu.org>
4441
4442         PR target/23809
4443
4444         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4445         enable the instructions and not just the built-ins.
4446         * doc/invoke.texi (x86 Options): Likewise.
4447
4448 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4449
4450         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4451
4452         * doc/invoke.texi (Option Summary): Correct spelling
4453         of -mmacosx-version-min.
4454
4455 2005-10-04  Devang Patel  <dpatel@apple.com>
4456
4457         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4458         real types.
4459
4460 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4461
4462         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4463         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4464
4465 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4466
4467         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4468         ("TE","tg"): New mode attributes.
4469         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4470         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4471         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4472         dword_mode and one for GPRmode.
4473
4474 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4475
4476         PR preprocessor/13726
4477         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4478         any comments passed in.
4479
4480 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4481
4482         * tree.c (annotate_with_file_line): Fix typo.
4483
4484 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4485
4486         PR ada/19382
4487         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4488         type used to access data in the inlined length == 1 case, use
4489         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4490         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4491
4492 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4493
4494         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4495         TARGET_SSE3 and only for TARGET_80387.
4496         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4497         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4498         Do not depend on TARGET_80387.
4499
4500 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4501
4502         * tree.c (last_annotated_node): Change type to location_t*.
4503         (annotate_with_file_line): Reflect the change of
4504         last_annotated_node type.
4505
4506 2005-10-04  Richard Guenther  <rguenther@suse.de>
4507
4508         PR c/23576
4509         * c-decl.c (grokdeclarator): Don't write to fields
4510         of error_mark_node.
4511
4512 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4513
4514         PR middle-end/23125
4515         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4516         register variables.
4517         * varasm.c (make_decl_rtl): If a register variable does not
4518         have a set user assmbler name, error out.
4519         Decode the asmspec is now name+1 bypassing '*'.
4520
4521 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4522
4523         PR tree-optimization/23049
4524         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4525         of a COND_EXPR is folded before calling fold on the whole rhs of a
4526         conditional assignment.
4527         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4528         document that a COND_EXPR may appear there.
4529
4530 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4531
4532         PR 23445
4533         * tree-vrp.c (extract_range_from_assert): If the new numeric
4534         range created out of the assertion contradicts the existing
4535         numeric range of the ASSERT_EXPR variable, make the new range
4536         varying.
4537
4538 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4539
4540         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4541         from T_REGS to FP register class.
4542
4543 2005-10-03  Richard Henderson  <rth@redhat.com>
4544
4545         PR 24135
4546         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4547         before creating a new one.
4548
4549 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4550
4551         * config/rs6000/t-aix43 (LDFLAGS): New.
4552         * config/rs6000/t-aix52 (LDFLAGS): New.
4553
4554 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4555
4556         * gimplify.c (find_single_pointer_decl_1): New static function.
4557         (find_single_pointer_decl): New static function.
4558         (internal_get_tmp_var): For a formal variable, set restrict base
4559         information if appropriate.
4560         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4561         return it.
4562         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4563         (DECL_GET_RESTRICT_BASE): Define.
4564         (SET_DECL_RESTRICT_BASE): Define.
4565         (decl_restrict_base_lookup): Declare.
4566         (decl_restrict_base_insert): Declare.
4567         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4568         * tree.c (restrict_base_for_decl): New static variable.
4569         (init_ttree): Initialize restrict_base_for_decl.
4570         (copy_node_stat): Copy restrict base information.
4571         (decl_restrict_base_lookup): New function.
4572         (decl_restrict_base_insert): New function.
4573         (print_restrict_base_statistics): New static function.
4574         (dump_tree_statistics): Call print_restrict_base_statistics.
4575
4576 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4577
4578         PR 24142
4579         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4580         case of anti-ranges.
4581
4582 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4583
4584         PR c/18851
4585         * c-typeck.c (tagged_tu_seen): Rename to ...
4586         (tagged_tu_seen_cache): this and add val field.
4587         (comptypes): Move functional to comptypes_internal
4588         and free tagged_tu_seen.
4589         (comptypes_internal): New function and call comptypes_internal
4590         instead of comptypes. Speed up by sibcalling
4591         tagged_types_tu_compatible_p.
4592         (alloc_tagged_tu_seen): New function
4593         (free_all_tagged_tu_seen_up_to): New function.
4594         (tagged_types_tu_compatible_p): Return the val of the seen two
4595         types.
4596         Add that the two types are the same to tagged_tu_seen_base
4597         if they are and call comptypes_internal instead of comptypes.
4598         <case UNION_TYPE>: Speed up common type where the fields are
4599         in the same order.
4600         (function_types_compatible_p): Call comptypes_internal instead of
4601         comptypes.
4602         (type_lists_compatible_p): Likewise.
4603         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4604
4605 2005-10-02  Matthias Klose  <doko@debian.org>
4606
4607         * doc/invoke.texi: Fix typo and speling error.
4608
4609 2005-10-01  Richard Henderson  <rth@redhat.com>
4610
4611         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4612
4613 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4614
4615         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4616         using --start-group and --end-group.
4617
4618 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4619
4620         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4621         FIXME note regarding quirky semantics.
4622
4623 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4624
4625         PR 24141
4626         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4627         non-null range as a last resort.
4628
4629 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4630             Diego Novillo  <dnovillo@redhat.com>
4631
4632         PR 23604
4633         * tree-vrp.c (extract_range_from_assert): For !=
4634         assertions, only build an anti-range if LIMIT is a
4635         single-valued range.
4636
4637 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4638
4639         * arm.md (movqi): On thumb when optimizing, handle loading from
4640         memory by describing this as taking a subreg of a zero-extended load
4641         into an SImode register.
4642         (movhi): Likewise.
4643
4644 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4645
4646         * reload1.c (merge_assigned_reloads): Do not change any
4647         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4648
4649 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4650
4651         * Makefile.in (LIPO_FOR_TARGET): Define.
4652         (STRIP_FOR_TARGET): Define.
4653
4654         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4655         before creating new ones.  Do symlinks before creating the actual
4656         targets.
4657
4658         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4659         to work out which multilibs are actually being built.
4660
4661 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4662
4663         * tree-vect-transform.c, config/ms1/ms1.md,
4664         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4665         Follow spelling conventions.
4666         * doc/invoke.texi, doc/md.texi: Fix typos.
4667
4668 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4669
4670         PR tree-optimization/21430
4671         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4672         use operands, and set stmt pointer if need be.
4673         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4674         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4675         present.
4676
4677 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4678
4679         PR middle-end/24053
4680         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4681
4682 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4683
4684         * optabs.c (expand_binop): Initialize first_pass_p.
4685
4686 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4687
4688         PR middle-end/24109
4689         * c-decl.c (c_write_global_declarations_1): If any
4690         wrapup_global_declaration_2 call returned true, restart the loop.
4691
4692 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4693
4694         Fix PR tree-optimization/24117
4695         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4696         before considering whether to use anyoffset.
4697
4698 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4699
4700         Revert this patch:
4701
4702         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4703
4704         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4705         to order operands.
4706         (swap_commutative_operands_with_target): New.
4707
4708 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4709
4710         PR c/21419
4711         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4712         read-only.
4713
4714 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4715
4716         PR tree-optimization/23911
4717         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4718         and IMAGPART_EXPR too.
4719
4720 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4721
4722         PR 17886
4723         * expmed.c (expand_shift): Move logic to reverse rotation
4724         direction when  rotating by constants ...
4725         * optabs.c (expand_binop): ... here.
4726         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4727         (ix86_rotrdi3): New pattern.
4728         (rotldi3): Handle 32-bit mode.
4729         (ix86_rotldi3): New pattern.
4730
4731 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4732
4733         PR target/24102
4734         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4735         check for numbers that need no bit twiddle.
4736
4737 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4738
4739         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4740         multilib to be built.
4741
4742         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4743         (stage1-start): Delete old libgcc and libunwind before moving
4744         anything into the stage directory.
4745         (stage2-start): Likewise.
4746         (stage3-start): Likewise.
4747         (stage4-start): Likewise.
4748         (stageprofile-start): Likewise.
4749         (stagefeedback-start): Likewise.
4750         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4751         header in tm_file and CPU-specific t-darwin in tmake_file.
4752         (i[34567]86-*-darwin*): Don't change tm_file.
4753         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4754         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4755         shared library stub for target OS version.
4756         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4757         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4758         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4759         (libgcc_s.%.dylib): New.
4760         (LIBGCC): Define.
4761         (install-darwin-libgcc-stubs): New.
4762         (INSTALL_LIBGCC): New append.
4763         * config/i386/darwin-libgcc.10.4.ver: New.
4764         * config/i386/darwin-libgcc.10.5.ver: New.
4765         * config/i386/t-darwin: New.
4766         * config/rs6000/darwin-libgcc.10.4.ver: New.
4767         * config/rs6000/darwin-libgcc.10.5.ver: New.
4768         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4769         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4770
4771 2005-09-28  Paul Brook  <paul@codesourcery.com>
4772
4773         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4774         denormals.
4775
4776 2005-09-28  Richard Guenther  <rguenther@suse.de>
4777
4778         PR tree-optimization/23853
4779         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4780         host_integerp to verify misalignment value.
4781
4782 2005-09-28  Richard Henderson  <rth@redhat.com>
4783
4784         * builtins.c (get_builtin_sync_mode): New.
4785         (expand_builtin_sync_operation): Pass in mode argument.
4786         (expand_builtin_compare_and_swap): Likewise.
4787         (expand_builtin_lock_test_and_set): Likewise.
4788         (expand_builtin_lock_release): Likewise.
4789         (expand_builtin): Update to match.
4790
4791 2005-09-28  Nick Clifton  <nickc@redhat.com>
4792
4793         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4794         formatting.  Add check to PLUS case to ensure that the offset is
4795         within an acceptable range.
4796
4797         * config/v850/v850.md (casesi): Disable the generation of the
4798         switch pattern as it is not being handled properly at the moment.
4799
4800         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4801         for when the high words are identical.
4802
4803 2005-09-27  Richard Henderson  <rth@redhat.com>
4804
4805         * pretty-print.c (pp_base_format): Fix typo for %>.
4806
4807 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4808             Devang Patel  <dpatel@apple.com>
4809
4810         PR tree-optimization/23625
4811         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4812         LABEL_EXPR, assertion check.
4813
4814 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4815
4816         * optabs.c (no_conflict_move_test): Check if a result of a
4817         to-be-moved insn would be clobbered by an originally
4818         preceding insn.
4819
4820 2005-09-27  Jeff Law  <law@redhat.com>
4821
4822         * passes.c (init_optimization_passes): Replace copy propagation
4823         passes immediately after DOM with phi-only copy propagation
4824         pases.  Add phi-only copy propagation pass after first DOM pass.
4825         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4826         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4827         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4828         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4829         to init_copy_prop.  Callers updated.
4830         (do_phi_only_copy_prop): New function.
4831         (pass_phi_only_copy_prop): New pass descriptor.
4832
4833 2005-09-27  Nick Clifton  <nickc@redhat.com>
4834
4835         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4836
4837 2005-09-26  Jason Merrill  <jason@redhat.com>
4838
4839         PR c++/13764
4840         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4841
4842         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4843
4844 2005-09-26  James E Wilson  <wilson@specifix.com>
4845
4846         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4847         copyright.  Add gcc copyright plus libgcc exception.
4848         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4849         copyright.
4850         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4851
4852 2005-09-26  Jeff Law  <law@redhat.com>
4853
4854         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4855         about when to iterate.
4856
4857 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4858
4859         PR target/23847
4860         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4861         for __complex__ double in -mcpu=G5 mode.
4862
4863 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4864
4865         PR tree-optimization/23942
4866         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4867         * tree-scalar-evolution.c: Include params.h.
4868         (t_bool): New enum.
4869         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4870         follow_ssa_edge_in_condition_phi_branch,
4871         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4872         Change return type to t_bool.  Use a parameter to limit the size of
4873         trees that are walked before stopping
4874         (analyze_evolution_in_loop): Initialize the limit to 0.
4875         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4876         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4877
4878 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4879
4880         PR middle-end/23831
4881         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4882         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4883
4884 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4885
4886         * combine.c (make_extraction): Check for valid use of subreg.
4887
4888 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4889
4890         PR target/24055
4891         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4892         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4893         ("fist<mode>2_with_temp"): Use only register operands.
4894
4895 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4896
4897         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4898         CALL_INSN_FUNCTION_USAGE.
4899
4900 2005-09-26  Richard Guenther  <rguenther@suse.de>
4901
4902         PR middle-end/15855
4903         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4904         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4905         (ldst_entry): Use the hashtable instead of list-walking.
4906         (find_rtx_in_ldst): Likewise.
4907         (free_ldst_entry): Free the hashtable.
4908         (compute_ld_motion_mems): Create the hashtable.
4909         (trim_ld_motion_mems): Remove entry from hashtable if
4910         removing it from list.
4911         (compute_store_table): Likewise^2.
4912         (store_motion): Free hashtable in case we did not see
4913         any stores.
4914
4915 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4916
4917         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4918         and arg1 if we are passing them to fold_build2.
4919
4920 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4921
4922         PR 23828
4923         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4924         a nested function.
4925
4926 2005-09-25  Richard Henderson  <rth@redhat.com>
4927
4928         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4929         SYMBOL_REF_TLS_MODEL to be correct.
4930
4931 2005-09-24  Richard Henderson  <rth@redhat.com>
4932
4933         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4934         end of function.  Reindent.
4935
4936 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4937
4938         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4939         NEGATE_EXPR/BIT_NOT_EXPR case.
4940
4941 2005-09-24  Richard Henderson  <rth@redhat.com>
4942
4943         * c-common.c (handle_mode_attribute): When not modifying in place,
4944         create subtypes for enumerations.
4945         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4946         * gimplify.c (create_tmp_from_val): Likewise.
4947
4948 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4949
4950         * config/i386/i386.md (*tls_global_dynamic_64,
4951         *tls_local_dynamic_base_64): Add missing mode to call.
4952         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4953
4954 2005-09-24  Jan Hubicka  <jh@suse.cz>
4955
4956         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4957         (cgraph_clone_node): Likewise.
4958         * cgraph.h (cgraph_clone_edge): Update prototype.
4959         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4960         duplicated prototypes; add updating argument.
4961         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4962         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4963         updating profile.
4964         (cgraph_mark_inline_edge): Likewise.
4965         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4966         (cgraph_flatten_node): Likewise.
4967         (cgraph_decide_recursive_inlining): Likewise.
4968         (cgraph_decide_inlining_of_small_function): Likewise.
4969         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4970
4971 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4972             Pete Steinmetz <steinmtz@us.ibm.com>
4973
4974         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4975         (rldic.): Set type to "compare".
4976         (rldicr.): Same.
4977         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4978         mfjmpr for MFCTR/MFLR.
4979         (movdf_hardfloat64): Same.
4980         (movdf_softfloat64): Same.  Correct order of store and move types.
4981         (movti_string): Set type to store_ux/load_ux.
4982         (load_multiple): Set type to load_ux.
4983         (store_multiple): Set type to store_ux.
4984         (movmemsi): Set type to store_ux.
4985         (output_cbranch direct_return): Set type to jmpreg.
4986         (stmw): Set type to store_ux.
4987         (lmw): Set type to load_ux.
4988         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4989         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4990         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4991         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4992         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4993         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4994         (rios1-fpstore): Increase latency to 3.
4995         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4996         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4997
4998 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4999             Andrew Pinski  <pinskia@physics.uc.edu>
5000
5001         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5002         operand2 constraint to "b".
5003         (sync_<fetchop_name>di_internal): Same.
5004         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5005         to "b".
5006         (sync_old_<fetchop_name>di_internal): Same.
5007         (sync_new_<fetchop_name>si_internal): Same.
5008         (sync_new_<fetchop_name>di_internal): Same.
5009
5010 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5011
5012         PR middle-end/23991
5013         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5014         case, define as macros.
5015
5016         PR rtl-optimization/23837
5017         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5018         clobber / clobber match between dest and p->first.
5019
5020         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5021         (no_conflict_move_test): Update comments.
5022
5023 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5024
5025         * doc/install.texi: Update URL for Jacks.
5026         * doc/sourcebuild.texi: Likewise.
5027
5028 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5029
5030         PR target/24007
5031         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5032         registers when choosing register preferences.
5033         (movdf_hardfloat64): Same.
5034
5035 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5036
5037         * expmed.c (expand_shift): Don't use the target of the rotate as
5038         target for the first expanded shift insn.
5039         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5040
5041 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5042
5043         PR tree-optimization/22438
5044         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5045         preserved iv rhs rewriting specially.
5046
5047 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5048
5049         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5050         estimate_only  is true.
5051         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5052         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5053         tree-ssa-structalias.c
5054         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5055         ref_contains_indirect_ref.
5056         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5057
5058 2005-09-21  DJ Delorie  <dj@redhat.com>
5059
5060         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5061         MASK_PTR_A0D0.
5062         (mn10300_return_in_memory): Support variable size types also.
5063         (mn10300_pass_by_reference): Likewise.
5064         (mn10300_function_value): New.
5065         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5066         (FUNCTION_OUTGOING_VALUE): Likewise.
5067         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5068         * doc/invoke.texi: Document it.
5069
5070 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5071
5072         PR target/22585
5073         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5074         force integer op1 into register for XFmode compares.
5075
5076 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5077
5078         PR middle-end/23971
5079         * expmed.c (alg_code): Add alg_impossible.
5080         (alg_hash_entry): Add cost.
5081         (synth_mult): Record alg_impossible in the hash table if
5082         multiplication by a given integer is impossble within the
5083         limit.  Speed up using alg_impossible.
5084
5085 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5086
5087         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5088         argument.  Allow and set any offset if needs_anyoffset is passed
5089         in.
5090         (get_constraint_for): Add argument here too.
5091         Pass it down.
5092         (do_structure_copy): Pass NULL to get_constraint_for.
5093         (handle_ptr_arith): Ditto.
5094         (find_func_aliases): Ditto.
5095
5096 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5097
5098         PR rtl-optimization/23898
5099         * output.h (get_attr_min_length): Declare.
5100         * final.c (get_attr_length_1): New function, broken out of:
5101         (get_attr_length).
5102         (get_attr_min_length): New function.
5103         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5104         (duplicate_computed_gotos): Likewise.
5105         * genattr.c (insn_min_length): Generate declaration.
5106         * genattrtab.c (min_fn, min_attr_value): New functions.
5107         (make_length_attrs): Generate insn_min_length.
5108
5109 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5110
5111         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5112
5113 2005-09-20  Richard Henderson  <rth@redhat.com>
5114
5115         PR tree-optimization/24059
5116         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5117         EXPAND_STACK_PARM.
5118
5119 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5120
5121         * c.opt (fextended-identifiers): New.
5122         * c-opts.c (c_common_handle_option): Handle
5123         -fextended-identifiers.
5124         * doc/cpp.texi: Update documentation of extended identifiers.
5125         * doc/cppopts.texi (-fextended-identifiers): Document.
5126
5127 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5128
5129         PR tree-optimization/23929
5130         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5131         if expr is NULL.
5132
5133         PR tree-optimization/23818
5134         * tree-stdarg.c (execute_optimize_stdarg): Call
5135         calculate_dominance_info.
5136
5137 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5138
5139         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5140         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5141         (compute_overlap_steps_for_affine_1_2): Use
5142         get_number_of_iters_for_loop.
5143         (analyze_subscript_affine_affine): Check whether difference is
5144         zero first.
5145         Use get_number_of_iters_for_loop.
5146         Check whether overlap occurs outside of bounds.
5147         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5148
5149 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5150
5151         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5152         base register if possible.
5153
5154 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5155
5156         PR tree-optimization/18463
5157         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5158         converting it directly is not possible.
5159         (chrec_convert_aggressive): New function.
5160         * tree-chrec.h (chrec_convert_aggressive): Declare.
5161         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5162         Fold chrec conversions aggressively if asked to.
5163         (instantiate_parameters): Modified because of changes in
5164         instantiate_parameters_1.
5165
5166 2005-09-19  Richard Henderson  <rth@redhat.com>
5167
5168         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5169         (reduc_splus_v2df): New.
5170
5171 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5172
5173         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5174         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5175
5176 2005-09-19  Richard Henderson  <rth@redhat.com>
5177
5178         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5179         vcondu<SSEMODE12>.
5180
5181 2005-09-19  Richard Henderson  <rth@redhat.com>
5182
5183         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5184         (ia64_expand_dot_prod_v8qi): New.
5185         * config/ia64/ia64-protos.h: Update.
5186         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5187         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5188         sdot_prodv8qi, sdot_prodv4hi): New.
5189         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5190
5191 2005-09-19  Richard Henderson  <rth@redhat.com>
5192
5193         PR 23941
5194         * real.c (exact_real_truncate): Return false if the format cannot
5195         represent the number as a normal.
5196
5197         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5198         for a memory source.
5199
5200 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5201
5202         * tree-ssa-operands.c (swap_tree_operands): Export.
5203         * tree.h (swap_tree_operands): Declare.
5204         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5205         Call swap_tree_operands.
5206
5207 2005-09-19  Richard Henderson  <rth@redhat.com>
5208
5209         * tree-flow.h (merge_alias_info): Declare.
5210         * tree-ssa-copy.c (merge_alias_info): Export.
5211         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5212         (vect_create_data_ref_ptr): Use create_iv directly.
5213         (vectorizable_load): Use correct types for integer constants.
5214         (vect_generate_tmps_on_preheader): Likewise.
5215         (vect_gen_niters_for_prolog_loop): Likewise.
5216
5217 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5218
5219         PR rtl-optimization/23943
5220         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5221
5222 2005-09-18  Jan Hubicka  <jh@suse.cz>
5223
5224         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5225
5226 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5227
5228         * varasm.c (output_constant): Do not abort on conversions to union
5229         types between different sizes.
5230
5231 2005-09-18  Richard Guenther  <rguenther@suse.de>
5232
5233         PR middle-end/23944
5234         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5235         fallback.
5236
5237 2005-09-18  Paul Brook  <paul@codesourcery.com>
5238
5239         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5240
5241 2005-09-17  Richard Henderson  <rth@redhat.com>
5242
5243         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5244         * tree-ssa-loop.c (pass_vect_dce): Remove.
5245         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5246         of pass_vectorize.
5247
5248 2005-09-17  Richard Henderson  <rth@redhat.com>
5249
5250         * tree-pass.h (pass_vect_dce): Declare.
5251         * passes.c (init_optimization_passes): Add it.
5252         * tree-flow.h (tree_ssa_dce): Declare.
5253         * tree-ssa-dce.c (tree_ssa_dce): Export.
5254         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5255         (gate_tree_vectorize): ... here.
5256         (pass_vect_dce): New.
5257
5258 2005-09-17  Jan Hubicka  <jh@suse.cz>
5259
5260         * except.c (struct eh_status): Turn region_array into vec.
5261         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5262         convert_from_eh_region_ranges, find_exception_handler_labels,
5263         current_function_has_exception_handlers, assign_filter_values,
5264         build_post_landing_pads, dw2_build_landing_pads,
5265         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5266         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5267         foreach_reachable_handler, can_throw_internal_1,
5268         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5269         region_array.
5270         (duplicate_eh_region_1): Update region_array.
5271         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5272
5273 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5274
5275         PR middle-end/22067
5276         * expmed.c (expand_mult): Substitute simple register for op0 when
5277         computing max_cost.
5278
5279 2005-09-17  Richard Henderson  <rth@redhat.com>
5280
5281         * expr.c (emit_move_via_integer): Add force argument, pass it on
5282         to emit_move_change_mode.  Update callers.
5283         (emit_move_complex): Pass true to new force argument.
5284         * function.c (expand_function_end): Move expand_eh_return call
5285         earlier.  Merge sub-word complex values into a pseudo before
5286         copying to the return hard register.
5287
5288 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5289
5290         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5291         between different sizes.
5292
5293 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5294
5295         PR 23903
5296
5297         * passes.c (init_optimization_passes): Register dump files for
5298         IPA passes first.
5299
5300 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5301
5302         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5303         * config/s390/s390.c (s390_overlap_p): New function.
5304         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5305         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5306         condition.
5307
5308 2005-09-16  Richard Guenther  <rguenther@suse.de>
5309
5310         * ipa-pure-const.c (static_execute): Free auxiliar information.
5311         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5312         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5313
5314 2005-09-15  DJ Delorie  <dj@redhat.com>
5315
5316         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5317
5318 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5319
5320         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5321         to order operands.
5322         (swap_commutative_operands_with_target): New.
5323
5324 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5325
5326         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5327         parameter.
5328         Update callers.
5329         (estimate_iters_using_array): New function.
5330         * tree-data-ref.h (estimate_iters_using_array): Prototype
5331         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5332         Use estimate_iters_using_array instead of analyze_array.
5333
5334 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5335
5336         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5337         as addressable.
5338
5339 2005-09-15  Michael Matz  <matz@suse.de>
5340
5341         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5342
5343 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5344
5345         PR tree-optimization/23835
5346         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5347         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5348
5349 2005-09-14  Richard Henderson  <rth@redhat.com>
5350
5351         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5352         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5353
5354 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5355
5356         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5357         in the ARRAY_TYPE case.
5358
5359 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5360
5361         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5362
5363 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5364
5365         PR middle-end/22480
5366         * tree-vect-transform.c (vectorizable_operation): Return false for
5367         scalar shift operations and for vector shift operations with
5368         non-invariant shift arguments.  Use scalar tree operand op1 as
5369         a shift operand when vector shift insn pattern uses scalar shift
5370         operand.
5371         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5372
5373 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5374
5375         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5376         value if it has side-effects.
5377
5378 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5379
5380         PR target/22068
5381         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5382
5383 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5384
5385         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5386         passed as NAME as if it were label at start of function code.
5387
5388 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5389
5390         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5391         the constraints.
5392
5393 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5394
5395         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5396         as early clobber.  Rewrite so the PIC register is not implicitly used.
5397
5398 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5399
5400         * tree.c (annotate_with_file_line): Compare line numbers before
5401         file names.
5402
5403 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5404
5405         PR target/23816
5406         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5407         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5408
5409 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5410
5411         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5412         than a HOST_WIDEST_INT to gen_doloop_begin.
5413
5414 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5415
5416         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5417
5418 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5419
5420         PR tree-optimize/23817
5421         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5422
5423 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5424
5425         PR target/23774
5426         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5427         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5428         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5429         (restore_stack_nonlocal): Likewise.
5430         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5431
5432 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5433
5434         PR g++/7874
5435         * c.opt (ffriend-injection): New C++ option.
5436         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5437         (C++ Dialect Options): Document -ffriend-injection.
5438
5439 2005-09-12  Josh Conner  <jconner@apple.com>
5440
5441         PR middle-end/23237
5442         * ipa-reference.c (static_execute): Don't mark variables in
5443         named sections TREE_READONLY.
5444
5445 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5446
5447         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5448         stack_tie.
5449
5450 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5451
5452         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5453         V_MUST_DEF instead of just the first_use_p.
5454         Don't mark the virtual variables for renaming on the statement which
5455         is being removed.
5456         (pass_dse): Remove TODO_update_ssa.
5457
5458 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5459
5460         PR middle-end/23290
5461         * stor-layout.c (compute_record_mode): For records with a single
5462         field, actually check the field's mode size against the type size.
5463
5464         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5465         registers for TARGET_SHMEDIA.
5466         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5467         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5468         of GENERAL_REGS and FP_REGS.
5469
5470 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5471
5472         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5473
5474 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5475
5476         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5477         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5478         are omitted.  Exclude stack_tie insn too.
5479
5480 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5481
5482         PR rtl-optimization/23098
5483         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5484         0.0f is easy.
5485         * config/rs6000/rs6000.md (movdf splitter): Use
5486         const_double_operand predicate for TARGET_POWERPC64.
5487         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5488         SYMBOL_REF method to ABI_V4.
5489
5490         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5491         replace_equiv_address.
5492         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5493         rs6000_sr_alias_set and MEM_NOTRAP.
5494         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5495
5496 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5497
5498         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5499         handle CALL_EXPR again.
5500
5501 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5502
5503         * arm/predicates.md (alignable_memory_operand): Delete.
5504
5505 2005-09-10  Richard Henderson  <rth@redhat.com>
5506
5507         PR debug/23806
5508         * dbxout.c (dbxout_expand_expr): New.
5509         (dbxout_symbol): Use it.
5510
5511 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5512
5513         * arm.c (arm_gen_rotated_half_load): Delete.
5514         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5515         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5516         (thumb_set_return_address): Likewise.
5517         (thumb_load_double_from_address): Use adjust_address.
5518         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5519         (extendhsisi2_mem, movhi_bytes): Use change_address.
5520         (movhi): Use widen_memory_access.
5521         (reload_out_df): Use replace_equiv_address.
5522         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5523
5524 2005-09-09  Richard Henderson  <rth@redhat.com>
5525
5526         PR debug/20998
5527         * dbxout.c: Include expr.h.
5528         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5529         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5530         * Makefile.in (dbxout.o): Add EXPR_H.
5531
5532 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5533
5534         PR tree-optimization/23509
5535         * tree-cfg.c (replace_uses_by): Use replace_exp.
5536         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5537         pointers have name_mem_tag or type_mem_tag set.
5538
5539 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5540
5541         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5542         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5543         of wrongly accessing operands.
5544
5545 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5546
5547         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5548         * tree-chrec.c: Include tree-scalar-evolution.h.
5549         (chrec_convert): Instantiate the base and step before calling
5550         scev_probably_wraps_p that would fail on parametric evolutions.
5551         Collect all the fails into a single section failed_to_convert,
5552         print a diagnostic, and return chrec_dont_know instead of calling
5553         fold_convert.
5554         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5555         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5556         phi nodes.
5557         (scev_const_prop): Don't replace the definition of a loop closed ssa
5558         phi node by itself, or by another loop closed ssa phi node.
5559         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5560         that base and step are defined.
5561
5562 2005-09-09  Richard Guenther  <rguenther@suse.de>
5563
5564         PR c++/23624
5565         * fold-const.c (fold_ternary): Check truth_value_p before
5566         calling invert_truthvalue.
5567
5568 2005-09-09  Nick Clifton  <nickc@redhat.com>
5569
5570         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5571         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5572         dimension of these arrays.
5573         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5574         these arrays.
5575         * longlong.h: Only provide a prototype for the __clz_tab[] array
5576         if this header has not been included from libgcc2.h.
5577         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5578         defining own types.
5579         Provide prototypes for exported functions.
5580         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5581         libgcc2.c.
5582
5583 2005-09-08  Josh Conner  <jconner@apple.com>
5584
5585         PR c++/21135
5586         PR c++/23180
5587         * expr.c (expand_expr_addr_expr_1): Don't invoke
5588         expand_simple_binop for EXPAND_INITIALIZER.
5589
5590 2005-09-08  Richard Henderson  <rth@redhat.com>
5591
5592         PR debug/23190
5593         * toplev.c (wrapup_global_declaration_1): Split out ...
5594         (wrapup_global_declaration_2): ... from ...
5595         (wrapup_global_declarations): ... here.  Return bool.
5596         (check_global_declaration_1): Split out ...
5597         (check_global_declarations): from here.
5598         (emit_debug_global_declarations): New.
5599         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5600         check_global_declaration_1, emit_debug_global_declarations): Declare.
5601         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5602         of decls.  Call wrapup_global_declaration_1,
5603         wrapup_global_declaration_2, check_global_declaration_1 directly.
5604         (c_write_global_declarations_2): New.
5605         (ext_block): New.
5606         (c_write_global_declarations): Call c_write_global_declarations_2.
5607         * langhooks.c (write_global_declarations): Call
5608         emit_debug_global_declarations.
5609
5610         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5611         remove decls that have DECL_RTL_SET_P.
5612         * passes.c (rest_of_decl_compilation): Invoke
5613         cgraph_varpool_finalize_decl for all but functions.
5614
5615 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5616
5617         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5618         the result of a conversion if the new min and max cannot be compared.
5619
5620 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5621
5622         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5623         (override_options): Setting s390_sr_alias_set removed.
5624         (save_fpr, save_gprs): Set alias set to vararg or frame.
5625         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5626         s390_sr_alias_set with get_frame_alias_set ().
5627         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5628         get_varargs_alias_set ().
5629
5630 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5631
5632         PR objc/20574
5633         PR objc/19324
5634         * c-parser.c (c_parser_objc_method_definition): If the next
5635         token is not "{", error out and don't start the function.
5636
5637 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5638
5639         * tree-vrp.c (extract_range_from_expr): Move the check for non
5640         nullness after the check for gimple invariant.
5641
5642 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5643
5644         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5645
5646 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5647
5648         PR target/23747
5649         * config/m32r.md (movmemsi_internal): Canonicalize order of
5650         operands in PLUS component of template.
5651
5652 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5653
5654         * reload1.c (fixup_eh_region_note): Remove assertion.
5655         (fixup_abnormal_edges): Reverted removal of call to
5656         find_many_sub_basic_blocks made on 2005-08-31.
5657
5658 2005-09-07  Richard Henderson  <rth@redhat.com>
5659
5660         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5661         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5662         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5663         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5664         rearrange for better packing.
5665         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5666         (lookup_cfa_1): Remove inline marker.
5667         (cfa_equal_p): Split out of ...
5668         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5669         (build_cfa_loc): Handle !cfa->indirect.
5670         (frame_pointer_cfa_offset): New.
5671         (dbx_reg_number): Assert register elimination performed; do
5672         leaf register remapping.
5673         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5674         (eliminate_reg_to_offset): New.
5675         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5676         for verifiably local stack frame addresses; re-base to CFA.
5677         (mem_loc_descriptor): Remove can_use_fbreg argument.
5678         (concat_loc_descriptor, loc_descriptor): Likewise.
5679         (containing_function_has_frame_base): Remove.
5680         (rtl_for_decl_location): Don't do register elimination or
5681         leaf register remapping here.
5682         (secname_for_decl): Split out from ..
5683         (add_location_or_const_value_attribute): ... here.
5684         (convert_cfa_to_loc_list): New.
5685         (compute_frame_pointer_to_cfa_displacement): New.
5686         (gen_subprogram_die): Use them.
5687         * tree.h (frame_base_decl): Remove.
5688         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5689         (prologue_stack_adjust): Remove.
5690         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5691         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5692         (set_frame_base_location): Remove.
5693         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5694         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5695         (vt_add_function_parameters): Don't eliminate_regs.
5696         (vt_initialize): Don't create frame_base_decl.
5697
5698 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5699
5700         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5701         version of GNU binutils for 4.x and later.
5702
5703 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5704
5705         * ggc-page.c (ggc_push_context): Remove.
5706         (ggc_pop_context): Likewise.
5707         * ggc.h (ggc_push_context): Remove.
5708         (ggc_pop_context): Likewise.
5709
5710 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5711
5712         PR target/8973
5713         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5714         returning from an interrupt handler.
5715
5716 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5717
5718         PR target/8972
5719         * config/arc/arc.c (output_shift): Add check for loop count when
5720         optimizing.
5721
5722 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5723
5724         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5725         form manually.
5726         (abs_replacement): Likewise.
5727         (pass_phiopt): Remove TODO_update_ssa.
5728
5729 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5730
5731         PR c/23075
5732         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5733         if "return with no value, in function returning non-void" warning
5734         has been issued.
5735         * tree-cfg.c (execute_warn_function_return): Don't look at
5736         RETURN_EXPRs with TREE_NO_WARNING set.
5737
5738         PR target/22362
5739         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5740         for internal functions doesn't use registers used by global registers
5741         variables.  Use fewer register parameters if there are global register
5742         variables.
5743
5744 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5745             Eric Botcazou  <ebotcazou@adacore.com>
5746
5747         PR middle-end/14997
5748         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5749         when we would be extracting outside its bit span (bitpos+bitsize
5750         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5751         Ada unchecked conversions.
5752
5753 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5754
5755         * tree-ssa-pre.c (try_look_through_load): New function.
5756         (compute_avail): Use it to try to look through loads for some
5757         more useful expressions.
5758
5759 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5760
5761         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5762         condition for detecting cases like (a&a) and (a^a).
5763
5764 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5765
5766         * common.opt: Add option ftree-vect-loop-version.
5767         * params.def: Add --param vect-max-version-checks.
5768         * doc/invoke.texi: Document ftree-vect-loop-version and
5769         --param vect-max-version-checks.
5770         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5771         may_misalign_stmts and defines for accessors.
5772         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5773         LOOP_VINFO_MAY_MISALIGN_STMTS.
5774         (destroy_loop_vec_info): VEC_free for
5775         LOOP_VINFO_MAY_MISALIGN_STMTS.
5776         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5777         Update documentation.
5778         (vect_update_misalignment_for_peel): New.
5779         (vect_enhance_data_refs_alignment): Update to choose loop
5780         peeling or loop versioning if appropriate for the (potentially)
5781         unaligned data references in the loop.
5782         (vect_analyze_data_refs_alignment): Remove call to
5783         vect_enhance_data_refs_alignment so the checks can be done
5784         earlier.
5785         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5786         and move up call to vect_analyze_data_refs_alignment.
5787         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5788         (vect_transform_loop): Add call to loop_version.
5789
5790 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5791
5792         PR rtl-optimization/23098
5793         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5794         * simplify-rtx.c (constant_pool_reference_p): New function.
5795         * rtl.h (constant_pool_reference_p): New prototype.
5796         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5797         constant_pool_reference_p in condition and
5798         avoid_constant_pool_reference in preparation statements.
5799
5800 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5801
5802         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5803         STRICT_LOW_PART SETs.
5804
5805 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5806
5807         PR middle-end/21460
5808         * except.c (sjlj_emit_function_enter): Find the function begin
5809         note even when it's not in first basic block.
5810
5811 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5812
5813         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5814         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5815         * aclocal.m4: Regenerate.
5816
5817 2005-09-05  DJ Delorie  <dj@redhat.com>
5818
5819         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5820         of macro.
5821
5822 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5823
5824         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5825         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5826         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5827         Follow spelling conventions.
5828         * doc/invoke.texi: Follow spelling conventions.
5829
5830 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5831
5832         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5833         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5834         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5835
5836 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5837
5838         PR target/23683
5839         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5840         (output_stack_adjust): Use gen_tmp_stack_mem.
5841         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5842         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5843         (sh_get_pr_initial_val): Likewise.
5844         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5845         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5846         * sh.md (divsi_inv_m0): Use gen_const_mem.
5847         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5848         (movdf_i4+1): Use gen_tmp_stack_mem.
5849         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5850         (fpu_switch+2): Likewise.
5851         (movv4sf_i, movv16sf_i): Use adjust_address.
5852         (symGOT_load): Set MEM_NOTRAP_P bit.
5853
5854 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5855
5856         PR target/23721
5857         * pa.c (emit_move_sequence): Fix typo in last change.
5858
5859 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5860
5861         PR rtl-optimization/23454
5862         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5863         is true.
5864
5865 2005-09-03  Richard Henderson  <rth@redhat.com>
5866             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5867
5868         PR middle-end/23671
5869         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5870         gen_rtx_MEM.
5871
5872 2005-09-02  Nicolas Pitre <nico@cam.org>
5873
5874         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5875         to bit_count to 32 bits.
5876
5877 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5878
5879         PR c++/23167
5880         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5881         generating synthetic loads from volatile lvalues.
5882
5883 005-09-02  Nick Clifton  <nickc@redhat.com>
5884
5885         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5886         __ctzhi2, __clzhi2): New functions.
5887
5888 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5889
5890         PR middle-end/23547
5891         * tree-nested.c (struct var_map_elt): Mark with GTY.
5892         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5893         var_map_elt.
5894         (lookup_field_for_decl): Allocate new element in GC memory.
5895         (lookup_tramp_for_decl): Likewise.
5896         (convert_nl_goto_reference): Likewise
5897         (create_nesting_tree): Allocate info in GC memory. Likewise for
5898         info->var_map.
5899         (free_nesting_tree): Free with ggc_free instead of free.
5900         (root): New static variable.
5901         (lower_nested_functions): Remove root as local variable.  And zero out
5902         root at the end of the function.
5903
5904 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5905
5906         PR rtl-optimization/20365
5907         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5908         to short.  New member ix.
5909         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5910         (simplify_plus_minus): Initialize ix members before calling qsort.
5911
5912 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5913
5914         PR tree-optimization/23626
5915         * tree-cfg.c (replace_uses_by): Clean up eh info.
5916
5917 2005-09-01  DJ Delorie  <dj@redhat.com>
5918
5919         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5920         fprintf.
5921
5922 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5923
5924         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5925         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5926         gen_rtx_MEM.
5927
5928 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5929
5930         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5931         do not issue warning for a variable definition following
5932         a declaration.
5933
5934 2005-09-01  Richard Henderson  <rth@redhat.com>
5935
5936         PR 23668
5937         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5938         conversion to CONST_VECTOR.
5939
5940 2005-09-01  Richard Henderson  <rth@redhat.com>
5941
5942         PR 23676
5943         * reload1.c (reload_as_needed): Check !CALL_P before calling
5944         fixup_eh_region_note.
5945         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5946
5947 2005-09-01  DJ Delorie  <dj@redhat.com>
5948
5949         * varasm.c (output_constant): Let the target resolve
5950         conversions of addresses to non-default pointer sizes.
5951
5952 2005-09-01  Nicolas Pitre <nico@cam.org>
5953
5954         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5955         to alow matching ARM pre-indexed addressing mode.
5956         (arm_override_options): Remove now irrelevant comment.
5957
5958 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5959
5960         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5961         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5962         * config/i386/vxworks.h:  Likewise.
5963         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5964         * config/i386/vxworksae.h:  Likewise.
5965
5966 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5967
5968         PR tree-optimization/23410
5969         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5970         sequence is not wrapping during the first step.
5971
5972 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5973
5974         PR debug/7241
5975         * dwarf2out.c (base_type_die): Compare char_type_node with
5976         TYPE_MAIN_VARIANT (type), not type.
5977
5978 2005-09-01  Richard Guenther  <rguenther@suse.de>
5979
5980         PR tree-optimization/15366
5981         * common.opt: Add -finline-functions-called-once.
5982         Put -fearly-inlining in alphabetically ordered place.
5983         * doc/invoke.texi: Document new option.
5984         * ipa-inline.c (cgraph_decide_inlining): Honour
5985         flag_inline_functions_called_once.
5986
5987 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5988
5989         PR rtl-optimization/23478
5990         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5991         (alloc_qty): Initialize it.
5992         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5993         (combine_regs): Combine also n_throwing_calls_crossed fields.
5994         (find_free_reg): Don't attempt to caller-save pseudos crossing
5995         calls that might throw.
5996         * global.c (struct allocno): Add throwing_calls_crossed field.
5997         (global_alloc): Revert 2005-08-22 change.  Initialize
5998         throwing_calls_crossed.
5999         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6000         might throw.
6001
6002 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6003
6004         PR target/23649
6005         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6006         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6007         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6008         (and64_2_operand): Tweak to use predicate.
6009         (and_operand): Adjust for mask_operand changes.
6010         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6011         (print_operand): Likewise.
6012         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6013         (mask64_1or2_operand): Delete.
6014         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6015         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6016         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6017         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6018         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6019         (rotldi3_internal4): Likewise.
6020         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6021         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6022         (ashldi3_internal7): Likewise.
6023         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6024         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6025         (anddi3 split): Don't match mask64_operand.
6026         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6027         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6028         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6029         't' splitter predicate.
6030         (movdi_internal64 + 2): Revert 2005-06-11 change.
6031
6032 2005-08-31  DJ Delorie  <dj@redhat.com>
6033
6034         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6035         (m32c_asm_integer): Add support for 32 bit pointers.
6036
6037 2005-08-31  Richard Henderson  <rth@redhat.com>
6038
6039         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6040         component-like references for setting MEM_NOTRAP_P.
6041
6042         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6043         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6044
6045 2005-08-31  Richard Henderson  <rth@redhat.com>
6046
6047         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6048         into a pseudo before applying gen_lowpart.
6049
6050 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6051
6052         * doc/install.texi (Specific): Update cctools version required
6053         for full functionality.
6054         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6055         linkers as -macosx_version_min.
6056
6057 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6058
6059         PR target/21255
6060         * sh.c (print_operand, %R and %S): Add handling of floating point
6061         registers, memory, constants and invalid operands.
6062
6063 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6064
6065         * ipa-pure-const.c: Change dump name.
6066
6067 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6068
6069         PR target/23570
6070         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6071         to "reg_or_0_operand".
6072         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6073
6074 2005-08-31  Dale Johannesen  <dalej@apple.com>
6075
6076         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6077         loops that count down.
6078
6079 2005-08-31  Richard Henderson  <rth@redhat.com>
6080
6081         PR rtl-opt/23601
6082         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6083         (fixup_eh_region_note): New.
6084         (reload_as_needed): Call it.
6085         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6086         don't call find_many_sub_basic_blocks; call verify_flow_info.
6087         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6088         (keep_stack_depressed): Likewise.
6089         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6090
6091 2005-08-31  Richard Henderson  <rth@redhat.com>
6092
6093         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6094         fp return matching.
6095
6096 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6097
6098         * expr.c (expand_expr_real_1): Compare size of address
6099         mode to target's address mode size in deciding expansion of
6100         the constant address.
6101
6102 2005-08-31  Richard Guenther  <rguenther@suse.de>
6103
6104         PR middle-end/23477
6105         * expr.c (all_zeros_p): New function.
6106         (expand_expr_real_1): Handle the case of an all-zero
6107         non-addressable constructor separately.
6108
6109 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6110
6111         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6112         arguments, adjust all callers.
6113         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6114
6115 2005-08-30  Richard Henderson  <rth@redhat.com>
6116
6117         PR target/23630
6118         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6119         whenever the mode sizes match.
6120
6121 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6122
6123         * calls.c (load_register_parameters): Fix comment typo.
6124         * expr.c (emit_push_insn): Comment formatting.
6125
6126 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6127
6128         * config/i386/x-cygwin (host-cygwin): Change dependency from
6129         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6130
6131 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6132
6133         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6134         parts of 'vals'.
6135
6136 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6137
6138         PR middle-end/23408
6139         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6140         call to ggc_collect.
6141
6142 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6143
6144         PR bootstrap/21268
6145         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6146         beginning.  Remove $(INCLUDES) from all the rules, if following
6147         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6148
6149 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6150
6151         PR middle-end/23484
6152         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6153         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6154         not constant, but maxlen is, don't set len to maxlen, rather
6155         set maxlen to len if len is a constant.
6156
6157 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6158
6159         PR tree-optimization/23475
6160         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6161         and counts.
6162
6163 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6164
6165         Fix PR middle-end/22455
6166
6167         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6168         Checksum only the parts of the tree that exist for the tree code.
6169
6170 2005-08-28  Dale Johannesen  <dalej@apple.com>
6171
6172         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6173
6174 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6175
6176         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6177
6178 2005-08-28  Richard Henderson  <rth@redhat.com>
6179
6180         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6181         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6182         of char_type_node.
6183
6184 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6185
6186         PR ada/23593
6187         * builtins.c (get_memory_rtx): Don't strip nops
6188         in between COMPONENT_REFs.
6189
6190 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6191
6192         PR middle-end/23463
6193         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6194         types.
6195         (gimplify_modify_expr): Check for zero sized types and gimplify the
6196         rhs and lhs as statements.
6197
6198 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6199
6200         PR libgcj/23508
6201         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6202         state for return address column of signal frames.
6203
6204 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6205
6206         PR target/23539
6207         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6208         bytes >= 2 not bytes == 2.
6209         (expand_block_move): Same.
6210
6211 2005-08-27  Richard Guenther  <rguenther@suse.de>
6212
6213         PR target/23575
6214         * config/i386/sse.md (sse2_movsd): Add missing closing
6215         braces.
6216
6217 2005-08-27  Paul Brook  <paul@codesourcery.com>
6218
6219         * genrecog.c (enum decision_type): Add DT_num_insns.
6220         (struct decision_test): Add u.num_insns.
6221         (add_to_sequence): Add DT_num_insns test.
6222         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6223         (write_cond, debug_decision_2): Ditto.
6224         (change_state): Assume peep2_next_insn never fails.
6225         Remove "afterward" argument.
6226         (write afterward, write_tree): Update to match.
6227         * recog.c (peep2_current_count): New variable.
6228         (peep2_next_insn): Check it.
6229         (peephole2_optimize): Set peep2_current_count.
6230         * recog.h (peep2_current_count): Declare.
6231
6232 2005-08-26  Josh Conner  <jconner@apple.com>
6233
6234         PR middle-end/23584
6235         * ipa-pure-const.c (check_tree): Check for volatile-ness
6236         when considering a dereference.
6237
6238 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6239
6240         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6241
6242 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6243
6244         PR rtl-optimization/23561
6245         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6246         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6247         at most LEN bytes long memory fits into the field.
6248         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6249         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6250         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6251
6252 2005-08-26  Richard Henderson  <rth@redhat.com>
6253
6254         PR rtl-opt/23560
6255         * loop.c (biased_biv_may_wrap_p): New.
6256         (maybe_eliminate_biv_1): Use it to suppress non-equality
6257         comparison transformations.  Delete disabled code.
6258
6259 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6260
6261         * combine.c (make_extraction): Avoid reference outside object.
6262
6263 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6264
6265         * stor-layout.c (finalize_type_size): Restore behaviour for
6266         non-aggregate types to the status quo ante of the patch for
6267         pr 23467.  Document why it matters.
6268
6269 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6270
6271         PR c/23506
6272         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6273         array by one element, initialize the BT_LAST element with NULL.
6274
6275 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6276
6277         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6278         optimizing for size.
6279         (plus_eqsi): Same.
6280         (compare_plus_eqsi): Same.
6281         (plus_eqsi_compare): Same.
6282         (neg_eq0<mode>): Same.
6283         (neg_eq<mode>): Same.
6284
6285         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6286         PROCESSOR_POWER4.
6287
6288 2005-08-26  Nick Clifton  <nickc@redhat.com>
6289
6290         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6291         TARGET_EP is not defined.
6292         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6293         TARGET_EP is enabled.
6294         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6295         * config/v850/v850.md (save_all_interrupt): Only use the EP
6296         register if TARGET_EP is defined.
6297         (restore_all_interrupt): Likewise.
6298         * config/v850/lib1funcs.asm: Update functions so that the EP
6299         register is only used if __EP__ is defined.
6300
6301 2005-08-26  David Ung  <davidu@mips.com>
6302
6303         * config/mips/mips.c (mips_expand_prologue): Handle case when
6304         generating for MIPS16 and the outgoing argument area is more than
6305         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6306         add instruction.
6307
6308 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6309
6310         * config/crx/crx.md: Make doloop_end pattern usage controllable
6311         via mloop-nesting=<max-nesting> command line switch. Make sure
6312         the combiner cannot use doloop_end_<mode> in an illegal way.
6313         * config/crx/crx.c: Use regs up to r6 for argument passing.
6314         Refine crx_address_cost (non cst4 displacements are expensive).
6315         * config/crx/crx.opt: Add switch for mloop-nesting=.
6316
6317 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6318
6319         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6320         (UNSPEC_MVST): New constant.
6321
6322 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6323
6324         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6325         Reject operands containing eliminable registers.
6326         * testsuite/gcc.dg/20050825-1.c: New testcase.
6327
6328 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6329             Jan Hubicka  <jh@suse.cz>
6330
6331         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6332
6333 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6334
6335         PR tree-optimization/23546
6336         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6337         and REAL_CST nodes.
6338
6339 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6340
6341         * params.def (PARAM_MIN_SPEC_PROB): New.
6342         * sched-rgn.c (MIN_PROBABILITY): Delete.
6343         (compute_trg_info): Convert to PARAM_VALUE.
6344         * doc/invoke.texi (param): Document min-spec-prob.
6345
6346 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6347
6348         * config/darwin.h: define __PIC__
6349         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6350         TARGET_OS_CPP_BUILTINS macro.
6351
6352 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6353
6354         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6355         yesterday.
6356
6357 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6358
6359         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6360         to duplicate_block.
6361         * cfghooks.c (duplicate_block): Added position where to place
6362         new block as argument.
6363         * cfghooks.h (duplicate_block): Declaration changed.
6364         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6365         duplicate_block.
6366         * cfglayout.h (copy_bbs): Declaration changed.
6367         * cfgloop.h (loop_version): Declaration changed.
6368         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6369         position to copy_bbs.
6370         (loop_version): Pass position to duplicate_loop_to_header_edge.
6371         Add place_after argument and position new blocks according to
6372         it.
6373         * modulo-sched.c (sms_schedule): Pass place_after argument
6374         to loop_version.
6375         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6376         * tree-cfg.c (split_edge_bb_loc): New function.
6377         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6378         to determine position of new blocks.
6379         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6380         to loop_version.
6381         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6382         argument to duplicate_block.
6383         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6384         Pass position to copy_bbs.
6385
6386 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6387
6388         * fold-const.c (ptr_difference_const): Use
6389         cst_and_fits_in_hwi instead of host_integerp.
6390
6391 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6392
6393         * config/darwin.c (gen_pic_offset): New.
6394         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6395         Use it.
6396
6397 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6398
6399         PR tree-optimization/23486
6400         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6401
6402 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6403
6404         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6405         remove use_collect2.
6406         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6407
6408         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6409         configuration files to override the default value.
6410
6411         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6412         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6413         * config/vx-common.h:  New file, split out from...
6414         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6415         * config/vxworksae.h:  New file, for VxWorks AE.
6416         * config/vxworks.opt:  New file.
6417         * config/vxlib.c:  Update for VxWorks 6.
6418
6419         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6420         other MULTILIB_* variables appropriately.
6421         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6422         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6423         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6424         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6425
6426 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6427
6428         PR target/20799
6429         * config/darwin.c (machopic_select_section): Remove the hack to
6430         mark "::operator new" and "::operator delete" for coalescing
6431         even though they are not weak.
6432
6433 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6434
6435         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6436         * configure: Regenerate.
6437
6438 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6439
6440         PR middle-end/23517
6441         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6442         between vectors.
6443         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6444         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6445         Likewise.
6446
6447 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6448
6449         * config/rs6000/predicates.md (equality_operator): New.
6450         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6451         comparison with a large constant.
6452
6453 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6454
6455         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6456
6457 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6458
6459         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6460         registers is even, and we have a hardware double precision fp,
6461         align the buffer.
6462         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6463         size of current argument when checking if argument was passed in
6464         registers.
6465
6466         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6467
6468         PR middle-end/23467
6469         * stor-layout.c (finalize_type_size): Dont override
6470         existing alignment with a smaller alignment from the mode.
6471
6472 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6473
6474         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6475         * lambda.h (lambda_vector_lexico_pos): ... here.
6476         * tree-data-ref.c (build_classic_dist_vector): Return false when
6477         the distance vector is lexicographically negative.
6478
6479 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6480
6481         PR tree-optimization/23511
6482         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6483         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6484
6485 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6486
6487         PR tree-optimization/22043
6488         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6489         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6490         If ALLOW_FLEXARR, handle types ending with flexible array member.
6491         Pass false as second argument to recursive count_type_elements calls.
6492         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6493         argument to count_type_elements call.
6494         * tree-sra.c (decide_block_copy): Likewise.
6495         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6496         for a constant-sized object, set cleared as well.  Pass true as
6497         second argument to count_type_elements call.
6498
6499 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6500
6501         PR target/21571
6502         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6503         from legitimate_small_data_p, and make global.  Update use.
6504         Remove forward declaration.
6505         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6506         Declare.
6507         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6508
6509 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6510
6511         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6512         of scratch intermediates.
6513         (eq<mode>_compare): Same.
6514         (neg_eq0<mode>): New.
6515         (neg_eq<mode>): Convert to define_insn_and_split.
6516
6517 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6518
6519         PR target/23070
6520         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6521         stdarg functions, set/clear the fp marker even when no variable
6522         args are passed.
6523         * config/rs6000/sysv4.opt (mprototype): Describe.
6524
6525 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6526
6527         PR rtl-optimization/23478
6528         * regs.h (reg_info): Add throw_calls_crossed.
6529         (REG_N_THROWING_CALLS_CROSSED): Define.
6530         * flow.c (allocate_reg_life_data): Initialize
6531         REG_N_THROWING_CALLS_CROSSED.
6532         (propagate_one_insn, attempt_auto_inc): Update
6533         REG_N_THROWING_CALLS_CROSSED.
6534         * global.c (global_alloc): Don't allocate pseudos across
6535         calls that may throw.
6536
6537 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6538
6539         PR c/18715
6540         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6541         value is inbetween the range if we did not find an exact match.
6542
6543 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6544
6545         * doc/invoke.texi (Option Summary): Add ms1 options.
6546         * doc/extend.texi: Document interrupt handler attribute for ms1.
6547         * doc/md.texi: Document ms1 constraints.
6548         * config.gcc: Add ms1-*-elf.
6549         * config/ms1/ms1.h: New.
6550         * config/ms1/ms1.c: New.
6551         * config/ms1/ms1.md: New.
6552         * config/ms1/ms1-protos.h: New.
6553         * config/ms1/ABI.txt: New.
6554         * config/ms1/crti.asm: New.
6555         * config/ms1/crtn.asm: New.
6556         * config/ms1/lib2extra-funcs.c: New.
6557         * config/ms1/t-ms1: New.
6558         * config/ms1/ms1.opt: New.
6559
6560 2005-08-22 Ira Rosen <irar@il.ibm.com>
6561
6562         * config/rs6000/altivec.md (xorv4sf3): New.
6563         (negv4sf2, neg<mode>2): Likewise.
6564
6565 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6566
6567         PR target/23485
6568         * config/ia64/ia64.md (divsi3): Check divide by zero.
6569         (udivsi3): Likewise.
6570         (divdi3): Likewise.
6571         (udivdi3): Likewise.
6572
6573 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6574
6575         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6576         up to elem_bitsize bits, not max_bitsize.
6577
6578 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6579
6580         PR tree-optimization/23433
6581         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6582         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6583
6584 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6585
6586         PR tree-optimization/23434
6587         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6588         the iteration bound is not an INTEGER_CST.
6589
6590 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6591
6592         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6593         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6594         NULL if need_epilog_adjust is false.
6595         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6596         Case 3 always peels first itration, not just for PLUS case, and no need
6597         to use scalar_initial_def here. Create an epilog adjustment only if
6598         scalar_initial_def is not NULL.
6599
6600         (vectorizable_reduction): Remove assert.
6601
6602 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6603
6604         PR target/23485
6605         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6606         (__moddi3): Likewise.
6607         (__udivdi3): Likewise.
6608         (__umoddi3): Likewise.
6609         (__divsi3): Likewise.
6610         (__modsi3): Likewise.
6611         (__udivsi3): Likewise.
6612         (__umodsi3): Likewise.
6613
6614 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6615
6616         * tree-pass.h (TDF_GRAPH): Define.
6617         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6618         * passes.c (finish_optimization_passes): Only call
6619         finish_graph_dump_file if TDF_GRAPH is set.
6620         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6621         NULL.  Set TDF_GRAPH bit.
6622         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6623
6624 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6625
6626         * arm.h (arm_stack_offsets): Add locals_base field.
6627         * arm.c (arm_get_frame_offsets): Compute it.
6628         (thumb_compute_initial_elimination offset): Make the Thumb frame
6629         pointer point to the base of the local variables.
6630         (thumb_expand_prologue): Update accordingly.
6631         (thumb_expand_epilogue): Likewise.
6632
6633         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6634         mode of clobbered scratch to DImode.  Handle a case that's known to
6635         need this.
6636
6637 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6638
6639         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6640         (gt0<mode>_compare): Delete.
6641         (neg_gt0<mode>): Delete.
6642
6643 2005-08-19  Eric Christopher  <echristo@apple.com>
6644
6645         * optabs.h: Change CTI_ to COI_.
6646         * optabs.c: Ditto.
6647
6648 2005-08-19  James E Wilson  <wilson@specifix.com>
6649
6650         * builtins.c (expand_builtin_return_addr): Set
6651         current_function_accesses_prior_frames when count != 0.  Use
6652         frame_pointer_rtx when count == 0.
6653         * function.h (struct function): Add accesses_prior_frames field.
6654         (current_function_accesses_prior_frames): Define.
6655         * reload1.c (init_elim_table): Check
6656         current_function_accesses_prior_frames.
6657         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6658
6659 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6660
6661         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6662         indicator.  Return true if the flowgraph changed during
6663         cleanup.
6664
6665 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6666
6667         PR 23476
6668         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6669         conditional expression before testing its value.
6670
6671 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6672
6673         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6674
6675 2005-08-19  Devang Patel  <dpatel@apple.com>
6676
6677         PR tree-optimization/23048
6678         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6679         third parameter. Check whether latch is dominated by exit
6680         block or not.
6681         (if_convertible_loop_p): Supply exit block itself to
6682         if_convertible_bb_p.
6683
6684 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6685
6686         PR target/23473
6687         * arm.md (arm_load_pic_register): Change argument to the mask of
6688         saved registers.  Call thumb_find_work_register if we need a
6689         scratch register on Thumb.
6690         (arm_expand_prologue): Pass empty register set to
6691         arm_load_pic_register.
6692         (thumb_expand_prologue): Pass live_regs_mask directly to
6693         arm_load_pic_register.
6694         * arm-protos.h (arm_load_pic_register): Update prototype.
6695
6696 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6697
6698         * sh.c (find_sole_member): New function.
6699         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6700         if the record's alignment is larger than the size of its only member.
6701
6702 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6703
6704         PR target/23436
6705         * arm.c (thumb_legitimize_reload_address): New function.
6706         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6707         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6708
6709 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6710
6711         * config/crx/crx.c: Implement crx_decompose_address. Reject
6712         symbolic displacements since CRX register relative adressing
6713         mode can't handle unsigned 32-bit values as displacements.
6714         * config/crx/crx.h: Simplify definitions, remove redundant
6715         parenthesis and obsolete macros.
6716         * config/crx/crx.opt: Add new switch for debugging addresses.
6717         * config/crx/crx-protos.h: Add new declarations for above.
6718
6719 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6720
6721         PR middle-end/20624
6722         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6723         looking past it.
6724
6725 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6726
6727         * collect2.c (dup2): Delete.
6728         * configure.ac: Don't check for dup2.
6729
6730         * config.in, configure: Regenerate.
6731
6732 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6733
6734         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6735         record with the type of its only member.
6736
6737 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6738
6739         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6740         define_insn_and_split.
6741         (plus_ltu<mode>_compare): Same.
6742         (gtu<mode>_compare): Same.
6743         (plus_gtu<mode>_compare): Same.
6744
6745 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6746
6747         PR tree-optimization/22228
6748         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6749         todo_flags_start.
6750         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6751         are recorded in vect_vnames_to_rename for renaming.
6752         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6753         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6754         in vect_vnames_to_rename.
6755         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6756         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6757
6758 2005-08-18  Jan Hubicka  <jh@suse.cz>
6759
6760         PR c++/22034
6761         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6762         info only for local statics, not for member variables.
6763
6764 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6765
6766         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6767
6768 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6769
6770         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6771
6772 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6773
6774         PR middle-end/16045
6775         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6776
6777 2005-08-17  James E Wilson  <wilson@specifix.com>
6778
6779         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6780         array size check.
6781
6782 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6783
6784         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6785         (leu<mode>_compare): Same.
6786         (plus_leu<mode>): Same.
6787         (neg_leu<mode>): Same.
6788         (and_neg_leu<mode): Same.
6789         (ltu<mode>_compare): Same.
6790         (plus_ltu<mode>): Same.
6791         (geu<mode>): Same.
6792         (geu<mode>_compare): Same.
6793         (plus_geu<mode>): Same.
6794         (neg_geu<mode>): Same.
6795         (and_neg_geu<mode>): Same.
6796         (plus_gt<mode>): Same.
6797         (gtu<mode>_compare): Same.
6798         (plus_gtu<mode>): Same.
6799
6800 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6801
6802         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6803         Move call_table_data to end.  Delete spurious .text.
6804         (callt_save_all_interrupt): Fix comment typo.
6805
6806 2005-08-17  James E Wilson  <wilson@specifix.com>
6807             Kevin Winchester  <winchester@amirix.com>
6808
6809         PR target/21684
6810         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6811
6812 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6813
6814         PR target/23268
6815         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6816         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6817
6818 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6819
6820         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6821         record with the type of its only member if the modes don't match.
6822
6823         * varasm.c (decode_reg_name): Skip empty additional register names.
6824
6825 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6826
6827         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6828         lsm_tmp_name_length): New.
6829         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6830         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6831
6832 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6833             Andreas Krebbel  <krebbel1@de.ibm.com>
6834
6835         * config.gcc: Added z9-109 switch.
6836         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6837         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6838         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6839         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6840         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6841         for "z9_109" cpu attribute.
6842         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6843         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6844         (s390_handle_arch_option): Added z9-109 switch.
6845         (override_options): Set respective cost function for z9-109.
6846         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6847         (legitimate_reload_constant_p): Accept extended immediates.
6848         (print_operand): Three new output modifiers added: k, m and o.
6849         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6850         (s390_output_mi_thunk): Use extended immediate when possible.
6851         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6852         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6853         (CONSTRAINT_LEN): Added length of O constraint.
6854         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6855         * config/s390/s390.md ("cpu"): New value z9_109 added.
6856         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6857         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6858         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6859         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6860         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6861         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6862         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6863         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6864         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6865         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6866         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6867         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6868         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6869         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6870         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6871         immediates.
6872         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6873         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6874         insns for TARGET_EXTIMM.
6875
6876 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6877
6878         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6879
6880 2005-08-17  Nick Clifton  <nickc@redhat.com>
6881
6882         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6883         Call default_encode_section_info.
6884
6885 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6886
6887         PR tree-optimization/21574
6888         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6889         constant, return CONSTANT.
6890         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6891         (ccp_fold, visit_assignment): Likewise.
6892         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6893
6894 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6895
6896         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6897         fold_buildN instead of buildN then fold_initializer or fold.
6898         (build_unary_op): Likewise.
6899         (build_binary_op): Likewise.
6900         * fold-const.c (fold_initializer): Remove.
6901         (fold_build1_initializer): New function.
6902         (fold_build2_initializer): New function.
6903         (fold_build3_initializer): New function.
6904         * tree.h (fold_initializer): Remove.
6905         (fold_build1_initializer): New function.
6906         (fold_build2_initializer): New function.
6907         (fold_build3_initializer): New function.
6908
6909 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6910
6911         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6912         (try_move_mult_to_index): Call fold_build2 instead of build2.
6913         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6914         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6915         fold_binary_to_constant.
6916         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6917         fold (build.
6918         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6919         check if A == gcd (A, B).  Remove TYPE argument.
6920         (analyze_offset) Use fold_build2 instead of fold (build.
6921         (create_data_ref): Likewise.
6922         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6923         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6924         then fold.
6925
6926 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6927
6928         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6929         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6930
6931 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6932
6933         PR tree-opt/23402
6934         * gimplify.c (zero_sized_type): New function.
6935         (gimplify_modify_expr_rhs): If we have a zero sized type,
6936         replace the statement with an empty statement.
6937
6938 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6939
6940         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6941         fxsave.
6942
6943 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6944
6945         * doc/tm.texi (Label Output): Correct typo.
6946
6947 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6948
6949         PR target/23376
6950         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6951         force_operand will work later on using have_insn_for.
6952
6953 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6954
6955         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6956
6957 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6958
6959         PR c++/23337
6960         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6961         vector type, don't try to construct it element by element.  Add an
6962         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6963
6964 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6965
6966         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6967
6968 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6969
6970         * doc/invoke.texi (Precompiled Headers): Document some more options
6971         which are known to be safe.
6972
6973 2005-08-16  James E Wilson  <wilson@specifix.com>
6974
6975         PR tree-optimization/21105
6976         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6977         TREE_OVERFLOW check.
6978
6979 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6980
6981         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6982         (neg_ltu<mode>): Same.
6983         (gtu<mode>): Same.
6984         (neg_gtu<mode>): Same.
6985
6986 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6987
6988         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6989         (fold_builtin_isdigit): Use fold_buildN.
6990         (build_function_call_expr): Likewise.
6991         * c-typeck.c (c_finish_loop): Likewise.
6992
6993 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6994             Richard Shann <rshann@superh.com>
6995
6996         PR middle-end/20396:
6997         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6998
6999 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7000
7001         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7002
7003 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7004
7005         PR target/23355
7006         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7007         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7008         must be saved.
7009
7010 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7011
7012         PR middle-end/23369
7013         * fold-const.c (build_range_check): Disable optimization for function
7014         pointer expressions on targets that require function pointer
7015         canonicalization.
7016
7017 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7018
7019         * simplify-rtx.c (simplify_const_relational_operation): When
7020         extracting arguments of a COMPARE, recompute the mode as well.
7021
7022 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7023
7024         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7025
7026 2005-08-15  DJ Delorie  <dj@redhat.com>
7027
7028         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7029         the stack.
7030         (movsi_splittable): Allow, but split, moves to the stack.
7031         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7032         stack.
7033
7034 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7035
7036         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7037         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7038         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7039
7040         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7041         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7042         Delete HOST_PTR_PRINTF.
7043
7044         * configure, config.in: Regenerate.
7045
7046 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7047
7048         * config/rs6000/rs6000.md (QHSI): New mode macro.
7049         (wd): Extend mode attr for QImode and HImode
7050         (dbits): New mode attr.
7051         (zero_extend<mode>di2): Convert to mode macro.
7052
7053 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7054
7055         PR target/21841
7056         * doc/invoke.texi (-mgnu-ld): Update description.
7057         (-mhp-ld): Ditto.
7058
7059 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7060
7061         PR 23391
7062         * Makefile.in (tree-chrec.o): Depends on real.h.
7063         * tree-chrec.c: Include real.h.
7064         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7065         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7066         * tree-scalar-evolution.c (add_to_evolution_1,
7067         interpret_rhs_modify_expr): Ditto.
7068
7069 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7070
7071         PR 23386
7072         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7073         step is negative compute the estimation from init downwards to zero.
7074
7075 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7076
7077         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7078
7079 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7080
7081         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7082         constraint.
7083         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7084         Accept double-word constants that can be split.
7085         * config/s390/s390.md ("movti"): Use 'P' constraint.
7086         ("*movdi_31", "*movdf_31"): Likewise.
7087
7088 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7089
7090         Fix PR tree-optimization/22615
7091
7092         * tree-ssa-structalias.c (solution_set_add): Handle
7093         first_vi_for_offset returning NULL.
7094         (do_da_constraint): Ditto.
7095         (do_sd_constraint): Ditto.
7096         (do_ds_constraint): Ditto
7097         (find_func_aliases): Ditto.
7098         (build_constraint_graph): RHS is allowed be ANYTHING.
7099         (first_vi_for_offset): Return NULL if we couldn't find anything at
7100         the offset.
7101
7102 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7103
7104         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7105         over memory as first operand.
7106
7107 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7108
7109         PR target/23360
7110         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7111         available for setting it.
7112
7113 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7114
7115         PR tree-optimization/23320
7116         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7117         data-refs' types instead of base object nullness. Add check for
7118         pointer type data-refs before first location comparison. Remove
7119         assert.
7120
7121 2005-08-14  Andreas Schwab  <schwab@suse.de>
7122
7123         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7124
7125 2005-08-13  James E Wilson  <wilson@specifix.com>
7126
7127         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7128         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7129         -fstack-protector-all, --param ssp-buffer-size): Document.
7130         (-Wvariadic-macros): Alphabetize.
7131         (-fsched-stalled-insns-dep): Add missing 'f'.
7132
7133         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7134         macros.
7135
7136 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7137
7138         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7139         or indirect address operand.
7140         (EXTRA_ADDRESS_CONSTRAINT): New.
7141         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7142
7143 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7144
7145         PR tree-optimization/22236
7146         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7147         successors and predecessors.
7148         * tree-chrec.c (chrec_convert): Before converting, check that
7149         sequences don't wrap.
7150         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7151         (analyze_array): Extern.
7152         (find_data_references_in_loop): Remove call to
7153         compute_estimated_nb_iterations.
7154         * tree-data-ref.h (analyze_array): Declared.
7155         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7156         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7157         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7158         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7159         condition.
7160         * tree-ssa-loop-ivcanon.c: Fix documentation.
7161         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7162         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7163         (infer_loop_bounds_from_undefined): New.
7164         (estimate_numbers_of_iterations_loop): Use
7165         infer_loop_bounds_from_undefined.
7166         (used_in_pointer_arithmetic_p): New.
7167         (scev_probably_wraps_p): Pass an extra parameter.  Call
7168         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7169         (convert_step): Fix documentation.
7170         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7171         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7172         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7173         scev_probably_wraps_p.
7174
7175 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7176
7177         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7178         (s390_register_info): Ignore clobbered_regs information for fixed
7179         registers, and only fixed registers.
7180         (s390_init_frame_layout): Remove redundant call.
7181
7182 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7183
7184         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7185         description of -Wold-style-casts.
7186
7187 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7188             Jakub Jelinek  <jakub@redhat.com>
7189
7190         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7191         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7192         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7193         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7194         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7195         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7196         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7197         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7198         ("stack_protect_set", "stack_protect_test"): New expanders.
7199         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7200         "stack_protect_testdi"): New insn definitions.
7201
7202 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7203
7204         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7205
7206 2005-08-12  Paul Brook  <paul@codesourcery.com>
7207
7208         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7209
7210 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7211
7212         * config/s390/predicates.md (setmem_operand): New predicate.
7213         (shift_count_operand): Accept ANDs with special constants as
7214         operand.
7215         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7216         with special constants.
7217         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7218         shift_count_operand with setmem_operand.
7219
7220 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7221
7222         * config/s390/s390.c (s390_extract_part, s390_single_part):
7223         Type cast added.
7224         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7225         (s390_output_mi_thunk): Don't use lg on 31 bit.
7226         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7227         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7228
7229 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7230
7231         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7232         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7233         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7234         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7235         with one of the new macros.
7236
7237 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7238
7239         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7240         Don't set save_return_addr_p.
7241         (s390_register_info): Make clobbered_regs not depending on
7242         save_return_addr_p.
7243
7244 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7245
7246         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7247         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7248
7249 2005-08-11  James E. Wilson  <wilson@specifix.com>
7250
7251         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7252
7253 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7254
7255         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7256         locations gathered by var-tracking in single entry loc_list
7257         over loc_descriptor_from_tree.
7258
7259         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7260         pass it down to loc_descriptor.
7261         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7262         (containing_function_has_frame_base): Move earlier in the file.
7263         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7264         instead of always assuming fbreg can't be used.
7265
7266 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7267
7268         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7269         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7270         Accept address wrapped in AND for Altivec.
7271         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7272         Strip AND wrapping offset address for Altivec.
7273
7274 2005-08-11  Richard Henderson  <rth@redhat.com>
7275
7276         PR middle-end/23312
7277         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7278         before using TYPE_IS_SIZETYPE.
7279
7280 2005-08-11  Richard Henderson  <rth@redhat.com>
7281
7282         PR target/22225
7283         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7284         insn types not present on ev4.
7285         (alphaev5_insn_pipe): Similarly.
7286
7287 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7288
7289         PR target/23250
7290         * arm.c (arm_override_options): If the user has selected callee-super-
7291         interworking, then enable normal interworking.
7292
7293 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7294
7295         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7296         redefinition.
7297
7298 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7299
7300         * doc/rtl.texi: Fix two typos.
7301
7302 2005-08-11  Richard Guenther  <rguenther@suse.de>
7303
7304         PR target/23289
7305         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7306         cases where we call to/from functions returning void.
7307
7308 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7309
7310         PR c++/23225
7311         * tree.c (build_pointer_type_for_mode): Robustify.
7312
7313 2005-08-10  James E Wilson  <wilson@specifix.com>
7314
7315         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7316         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7317
7318         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7319         "cum->".
7320
7321 2005-08-10  Eric Christopher  <echristo@apple.com>
7322
7323         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7324         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7325         V2DFmode.
7326
7327 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7328
7329         PR target/21887
7330         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7331         for the high part when generating dynamic-no-pic code.
7332
7333 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7334
7335         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7336         (x86_64-*-linux*): Likewise.
7337
7338         * config/i386/crtfastmath.c: New file.
7339         * config/i386/t-crtfm: Likewise.
7340
7341         * config/i386/linux.h (ENDFILE_SPEC): New.
7342         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7343
7344         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7345         crtfastmath.o.
7346
7347 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7348
7349         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7350         (vec_shl, vec_shr): Document new operations.
7351         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7352
7353 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7354
7355         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7356         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7357         change predicate to indexed_or_indirect_address.
7358
7359 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7360
7361         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7362         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7363         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7364         and __aeabi_uwrite8.
7365         * config/arm/unaligned-funcs.c: New file.
7366         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7367
7368 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7369
7370         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7371         Add dump.
7372         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7373         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7374         Add dump.
7375         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7376         * final.c (pass_shorten_branches): Add dump.
7377         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7378         (pass_life): Rename dump.
7379         (rest_of_handle_flow2): Remove initial verify_flow_info.
7380         * function.c (pass_instantiate_virtual_regs): Add dump.
7381         * integrate.c (pass_initial_value_sets): Add dump.
7382         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7383         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7384         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7385         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7386         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7387         gate_rtl_unrool_and_peel_loops): New.
7388         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7389         rtl_doloop): Do not look at flags.
7390         * mode-switching.c (pass_mode_switching): Add dump.
7391         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7392         pass_split_before_regstack): Add dump.
7393         * regmove.c (pass_stack_adjustments): Add dump.
7394         * tree-optimize.c (pass_fixup_cfg): Add dump.
7395
7396 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7397
7398         PR 23309
7399         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7400         deciding which instruction sequence to use.
7401
7402 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7403
7404         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7405         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7406
7407 2005-08-09  Richard Guenther  <rguenther@suse.de>
7408
7409         * c-common.c (builtin_function_2): Remove.
7410         (def_builtin_1): New function.
7411         (c_common_nodes_and_builtins): Use def_builtin_1 to
7412         build builtin functions.
7413
7414 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7415
7416         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7417         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7418         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7419         Visual DSP.
7420
7421 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7422
7423         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7424         fold_binary instead of fold_build2 since we don't care about the
7425         resulting tree.
7426         (loop_niter_by_eval): Likewise.
7427         (compare_trees): Likewise.
7428         (proved_non_wrapping_p): Likewise.
7429
7430 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7431
7432         PR c/23161
7433         PR c/23165
7434         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7435         if the if is really empty.
7436
7437 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7438
7439         PR tree-optimization/23234
7440         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7441         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7442         argument of the new enum.
7443         (execute_cse_reciprocals): Add reciprocals for function arguments
7444         on the unique successor edge of the entry block.  Update other calls
7445         to execute_cse_reciprocals_1.
7446
7447 2005-08-08  Richard Henderson  <rth@redhat.com>
7448
7449         PR 22439
7450         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7451
7452 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7453
7454         * expr.c (write_complex_part): Return after handling MEM.
7455
7456 2005-08-08  Josh Conner  <jconner@apple.com>
7457
7458         PR rtl-optimization/23241
7459         * combine.c (simplify_comparison): Fix error in determining
7460         whether to lift a subreg from comparison.
7461
7462 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7463
7464         PR target/18506
7465         * config/rs6000/altivec.md (vec_init<mode>): New.
7466         (vec_set<mode>): New.
7467         (vec_extract<mode>): New.
7468         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7469         (rs6000_expand_vector_set): New.
7470         (rs6000_expand_vector_extract): New.
7471         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7472         for Altivec modes before reload.
7473         (altivec_expand_vec_init_builtin): New.
7474         (get_element_number): New.
7475         (altivec_expand_vec_set_builtin): New.
7476         (altivec_expand_vec_ext_builtin): New.
7477         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7478         builtins.
7479         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7480         builtins.
7481         * config/rs6000/rs6000.h (rs6000_builtins): Add
7482         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7483         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7484         * config/rs6000/rs6000-protos.h: Declare new functions.
7485
7486 2005-08-08  Jan Hubicka  <jh@suse.cz>
7487
7488         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7489         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7490         * i386.md (movdi*): Use pic_32bit_operand.
7491         * predicates.md (pic_32bit_operand): New.
7492
7493 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7494
7495         PR c++/21166
7496         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7497
7498 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7499
7500         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7501         (test_for_singularity): Use fold_build2.
7502
7503 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7504
7505         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7506
7507 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7508
7509         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7510         (COMMON_ASM_OP) Define.
7511         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7512         (ix86_encode_section_info): Likewise.
7513         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7514         SUBTARGET_ENCODE_SECTION_INFO.
7515
7516 2005-08-06  Richard Henderson  <rth@redhat.com>
7517
7518         PR 21894
7519         * tree-nested.c (convert_local_reference): Save and restore val_only
7520         around component_ref and friends.  Clear walk_subtrees by default.
7521
7522 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7523
7524         PR 21366
7525         * gcc.c (process_command): Check the argument to -b has a dash.
7526         * doc/invoke.texi: Update -b and -V docs.
7527
7528 2005-08-06  James E Wilson  <wilson@specifix.com>
7529
7530         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7531
7532 2005-08-06  Michael Matz  <matz@suse.de>
7533
7534         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7535         member only if only one insn is associated with the value.
7536
7537 2005-08-06  Nick Clifton  <nickc@redhat.com>
7538
7539         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7540         New define.
7541         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7542         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7543         Check symbol flags instead of symbol name mangling.
7544         (xstormy16_asm_output_aligned_common): Likewise.  Also
7545         simplify code since the bss100_section cass is the only case
7546         where the below100 code will be triggered.
7547         (xstormy16_encode_section_info): Encode below100 attribute
7548         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7549         the name.
7550         (xstormy16_strip_name_encoding): Delete - this function is no
7551         longer needed.
7552         (TARGET_STRIP_NAME_ENCODING): Undefine.
7553         * config/stormy16/stormy16-protos.h: Delete prototype for
7554         xstormy16_strip_name_encoding.
7555
7556 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7557
7558         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7559         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7560         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7561         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7562         config/alpha/predicates.md, config/arc/arc.h,
7563         config/arm/arm.h, config/arm/ieee754-df.S,
7564         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7565         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7566         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7567         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7568         config/m68hc11/m68hc11.h, config/mips/mips.c,
7569         config/mips/mips.h, config/mips/openbsd.h,
7570         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7571         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7572         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7573         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7574         config/sparc/linux.h, config/sparc/linux64.h,
7575         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7576         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7577         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7578         typos.  Follow spelling conventions.
7579
7580 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7581
7582         PR c/23113
7583         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7584         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7585         specially.  Check for side effects only for COND_EXPR.
7586         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7587         return with TREE_NO_WARNING.
7588
7589 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7590
7591         PR rtl-optimization/23233
7592         * loop.c (combine_movables): Require the modes to be the same.
7593         (move_movables): Remove handling of cases where the replacement
7594         had a different mode to the original.
7595
7596 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7597
7598         PR tree-optimization/23128
7599         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7600         subtraction wrap, and set TREE_OVERFLOW if they do.
7601
7602 2005-08-05  Richard Henderson  <rth@redhat.com>
7603
7604         PR 21728
7605         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7606         FORCED_LABEL labels.
7607
7608 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7609
7610         PR middle-end/23135
7611         * reload.c (find_reloads_subreg_address): Pass down TYPE
7612         unchanged.  Change all callers except find_reloads_toplev.
7613
7614 2005-08-05  Michael Matz  <matz@suse.de>
7615
7616         * genattrtab.c (current_alternative_string): Remove.
7617         (SIMPLIFY_ALTERNATIVE): Ditto.
7618         (attr_alt_bit_p): Ditto.
7619         (alternative_name): Make const char *.
7620         (evaluate_eq_attr): Remove use of above things.
7621         (simplify_test_exp): Ditto.
7622         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7623         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7624
7625 2005-08-04  James E Wilson  <wilson@specifix.com>
7626
7627         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7628         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7629         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7630         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7631         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7632
7633 2005-08-04  Richard Henderson  <rth@redhat.com>
7634
7635         PR 21529
7636         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7637         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7638         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7639         if we'd have to instantiate too many members.
7640
7641 2005-08-04  Richard Henderson  <rth@redhat.com>
7642
7643         PR 21291
7644         * tree-outof-ssa.c (coalesce_asm_operands): New.
7645         (coalesce_ssa_name): Use it.  Split out ...
7646         (coalesce_phi_operands, coalesce_result_decls): ... these.
7647
7648 2005-08-04  Paul Brook  <paul@codesourcery.com>
7649
7650         * read-rtl.c (read_quoted_string): Break if EOF.
7651
7652 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7653
7654         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7655         (fold_build2): Likewise.
7656         (fold_build3): Likewise.
7657         (fold_build1_stat): New function prototype.
7658         (fold_build2_stat): Likewise.
7659         (fold_build3_stat): Likewise.
7660         * fold-const.c (fold_build1): Rename to ..
7661         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7662         through to build1_stat.
7663         (fold_build2): Rename to ..
7664         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7665         through to build2_stat.
7666         (fold_build3): Rename to ..
7667         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7668         through to build3_stat.
7669
7670 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7671             Ian Lance Taylor  <ian@airs.com>
7672
7673         * function.c (assign_stack_local_1): Do not correct stack slot
7674         address if allocation size is smaller than mode size.
7675
7676 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7677
7678         PR 22037
7679         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7680         (tree_merge_blocks): Propagate anything allowed by
7681         may_propagate_copy.
7682         Clarify documentation.
7683         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7684         SSA form, schedule an update if necessary.
7685
7686 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7687
7688         * doc/install.texi (Binaries): Remove broken link to
7689         Sinix/Reliant Unix binaries.
7690
7691 2005-08-03  Richard Henderson  <rth@redhat.com>
7692
7693         PR 23221
7694         * function.c (stack_protect_epilogue): Export.
7695         * tree.h (stack_protect_epilogue): Declare.
7696         * calls.c (expand_call): Call it.
7697
7698 2005-08-03  Eric Christopher  <echristo@apple.com>
7699
7700         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7701         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7702         spec.
7703
7704 2005-08-04  Jan Hubicka  <jh@suse.cz>
7705
7706         * profile.c (branch_prob): Split edges with goto locus on them
7707         to get proper line counts.
7708         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7709
7710 2005-08-03  Paul Brook  <paul@codesourcery.com>
7711
7712         * function.c (assign_parms): Round current_function_args_size
7713         to PARM_BOUNDARY, not STACK_BOUNDARY.
7714
7715 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7716
7717         * config/i386/i386.c (x86_elf_aligned_common)
7718         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7719
7720 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7721
7722         PR tree-optimization/23157
7723         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7724         before emitting them.
7725
7726 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7727
7728         PR tree-optimization/19899
7729         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7730         * tree-scalar-evolution.c: Include real.h.
7731         (add_to_evolution): Build constant -1 of correct type.
7732
7733 2005-08-03  Jan Hubicka  <jh@suse.cz>
7734
7735         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7736         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7737         profile updating for complette unrolling.
7738         * loop-unroll.c (peel_loop_completely): Use it.
7739         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7740         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7741         loops.
7742
7743 2005-08-03  Paul Brook  <paul@codesourcery.com>
7744
7745         * combine.c (can_change_dest_mode): New function.
7746         (try_combine, simplify_set): Use it.
7747
7748 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7749
7750         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7751         TFmode to BLKmode.
7752
7753 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7754
7755         * doc/install.texi (Specific): Adjust link to openavr.org.
7756         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7757         (Binaries): Adjust HP-UX Porting Center link.
7758         (Binaries): Adjust Free Software Foundation ordering link.
7759
7760 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7761
7762         * convert.c (convert_to_integer): Use fold_build1 instead of
7763         build1 when converting an integer to an integer.
7764
7765 2005-08-02  Richard Henderson  <rth@redhat.com>
7766
7767         * combine.c (combine_instructions): Don't use reg_equal/equiv
7768         results if the mode doesn't match.
7769
7770 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7771
7772         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7773         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7774
7775 2005-08-02  Richard Henderson  <rth@redhat.com>
7776
7777         PR 23196
7778         * explow.c (memory_address): Remove special-case for
7779         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7780
7781 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7782
7783         PR 23164
7784         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7785         number of calls to cleanup_tree_cfg_1.
7786
7787 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7788
7789         * doc/invoke.texi: document file extensions .F90 and .F95
7790
7791 2005-08-02  Richard Guenther  <rguenther@suse.de>
7792
7793         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7794         positive if its first argument is positive.
7795
7796 2005-08-02  Richard Guenther  <rguenther@suse.de>
7797
7798         PR tree-optimization/23177
7799         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7800         on TMR_TAG.
7801
7802 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7803
7804         PR tree-optimization/23129
7805         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7806         varying for divisions with anti-ranges.
7807
7808 2005-08-02  Jan Hubicka  <jh@suse.cz>
7809
7810         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7811         * tree-ssa-threadupdate.c (thread_block): Add it here.
7812
7813 2005-08-01  James E Wilson  <wilson@specifix.com>
7814
7815         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7816         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7817         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7818         New.
7819         * config/mips/predicates.md (const_call_insn_operand): Add check for
7820         SYMBOL_REF_LONG_CALL_P.
7821         * doc/extend.texi (long_call): Document the new attribute.
7822
7823 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7824             Richard Henderson  <rth@redhat.com>
7825
7826         * Makefile.in (RTL_BASE_H): Add real.h.
7827         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7828         instead of memcpy.
7829         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7830         directly.
7831         * rtl.c (rtl_check_failed_code_mode): New.
7832         * rtl.h (struct rtx_def): Add u.rv.
7833         (XCMWINT, XCNMPRV): New.
7834         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7835         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7836
7837 2005-08-01  Richard Henderson  <rth@redhat.com>
7838
7839         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7840         with auto-inc codes.
7841
7842         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7843
7844 2005-08-01  Jan Hubicka  <jh@suse.cz>
7845
7846         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7847         * i386.c: Include dwarf2.h
7848         (asm_preferred_eh_data_format): New.
7849         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7850
7851 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7852
7853         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7854         randomize_va_space for virtual address randomization control.
7855
7856 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7857
7858         * common.opt (flag_ipa_cp): Put in right place to maintain
7859         alphabetic sort.
7860
7861 2005-08-01  Jan Hubicka  <jh@suse.cz>
7862
7863         * profile.c (compute_value_histograms): Fix thinko.
7864         * value-prof.c: Include toplev.h
7865         (check_counter): New function.
7866         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7867         tree_mod_subtract_transform): Add sanity check.
7868
7869 2005-08-01  Richard Guenther  <rguenther@suse.de>
7870
7871         PR tree-optimization/23133
7872         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7873         current functions parameter decls to find defs to cse
7874         reciprocals of.
7875
7876 2005-08-01  Richard Guenther  <rguenther@suse.de>
7877
7878         PR tree-optimization/23109
7879         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7880         If trapping math is in effect, use post-dominator information
7881         to check if we'd in any case reach a trapping point before
7882         doing the reciprocal insertion.
7883         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7884         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7885         expressions are invariant only if trapping math is not in effect.
7886
7887 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7888
7889         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7890         cgraph_function_versioning): New declarations.
7891         * cgraphunit.c: Add include to ipa-prop.h.
7892         (update_call_expr, cgraph_copy_node_for_versioning,
7893         cgraph_function_versioning): New functions.
7894         * integrate.c (copy_decl_for_inlining): Remove.
7895         * ipa-prop.h (ipa_replace_map): New struct.
7896         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7897         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7898         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7899         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7900         ipcp_iterate_stage, ipcp_method_scale_print,
7901         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7902         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7903         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7904         ipcp_update_bb_counts, ipcp_update_profiling,
7905         ipcp_update_edges_counts): New functions.
7906         (ipcp_method_cval_init): Remove restriction regarding local methods.
7907         (ipcp_init_stage): Add ipcp_method_compute_scale.
7908         (ipcp_insert_stage): Add versioning.
7909         (ipcp_structures_print): Add ipcp_method_scale_print.
7910         (ipcp_driver): Dump profiling info.
7911         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7912         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7913         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7914         (struct inline_data): Add versioning_p, ipa_info, new fields.
7915         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7916         declare_return_variable): Replace calls to copy_decl_for_inlining with
7917         copy_decl_for_dup.
7918         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7919         versioning support.
7920         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7921         Add argument VERSIONING.
7922         (copy_arguments_for_versioning, copy_static_chain,
7923         function_versionable_p, tree_versionable_function_p,
7924         tree_function_versioning, replace_ref_tree): New functions.
7925         * tree-inline.h: Include varray.h.
7926         (tree_versionable_function_p,  tree_function_versioning,
7927         tree copy_decl_for_dup): New declarations.
7928
7929 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7930
7931         * ipa-cp.c: New file. Contains IPCP specific functionality.
7932         * ipa-prop.h: New file. Contains structures/definitions that can be
7933         used by several interprocedural data flow optimizations (and also IPCP).
7934         * ipa-prop.c: New file.
7935         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7936         * common.opt: Add ipa-cp flag.
7937         * timevar.def: Add IPCP optimization.
7938         * tree-optimize.c (init_tree_optimization_passes): Schedule
7939         pass_ipa_cp.
7940         * tree-pass.h (pass_ipa_cp): Declare.
7941
7942 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7943
7944         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7945         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7946         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7947         config/i386/i386.c, config/mips/mips.h,
7948         config/rs6000/rs6000.h, config/sh/sh.c,
7949         config/stormy16/stormy16.c: Fix comment typos.
7950
7951 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7952
7953         PR c/22311
7954         * c-typeck.c (build_binary_op): Use common_type wrapper on
7955         shortened types.
7956         (common_type): Update comment.
7957
7958 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7959
7960         PR target/23095
7961         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7962         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7963         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7964
7965 2005-07-31  Jan Hubicka  <jh@suse.cz>
7966
7967         * pretty-print.h (pp_widest_integer): New macro.
7968         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7969         counts.
7970
7971 2005-07-31  Jan Hubicka  <jh@suse.cz>
7972
7973         * output.h (enum section_category): Export from varasm.c
7974         (categorize_decl_for_section): Likewise.
7975         * varasm.c (enum section_category): Kill.
7976         (categorize_decl_for_section): Make global.
7977         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7978         Declare.
7979         * i386.c (ix86_section_threshold): New static variable.
7980         (ix86_in_large_data_p, ix86_encode_section_info,
7981         x86_64_elf_unique_section,
7982         x86_64_elf_select_section): New functions.
7983         (TARGET_ENCODE_SECTION_INFO): Define
7984         (override_options): Enable medium model for PIC.
7985         (ix86_expand_prologue): Expand gen_set_got_rex64.
7986         (legitimate_constant_p): Handle new UNSPECs.
7987         (legitimate_pic_address_disp_p): Likewise.
7988         (legitimize_pic_address): Lower MEDIUM model addressing.
7989         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7990         (enum cmodel): Add MEDIUM_PIC.
7991         (SYMBOL_REF_FAR_ADDR_P): New macro.
7992         (SYMBOL_FLAG_FAR_ADDR): New flag.
7993         * i386.md (movdi): Support medium model.
7994         (set_got_rex64): New pattern.
7995         * i386.opt (mlarge-data-threshold): New flag.
7996         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7997         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7998         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7999         TARGET_ASM_UNIQUE_SECTION): New.
8000
8001         * invoke.texi (-mlarge_data_threshold): Document
8002
8003 2005-07-31  Jan Hubicka  <jh@suse.cz>
8004
8005         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8006         (coalesce_vars): Likewise.
8007         * tree-ssa-live.c (coalesce_cost): New.
8008         (build_tree_conflict_graph): Use coalesce_cost.
8009         * tree-ssa-live.h (coalesce_cost): Declare.
8010
8011 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8012
8013         * arm.md (all peepholes for post-increment operations): Delete.
8014         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8015         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8016         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8017         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8018         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8019
8020 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8021
8022         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8023         non-integral types.
8024
8025 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8026
8027         PR target/22582
8028         * doc/invoke.texi: Document -rdynamic.
8029
8030 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8031
8032         PR c/23143
8033         * c-parser.c (c_parser_parms_list_declarator): Call
8034         mark_forward_parm_decls.
8035         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8036         decls with visibility structure.
8037
8038 2005-07-30  Paul Brook  <paul@codesourcery.com>
8039
8040         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8041
8042 2005-07-30  Paul Brook  <paul@codesourcery.com>
8043
8044         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8045         prototype.
8046         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8047         value for mode.
8048         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8049
8050 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8051
8052         PR c/529
8053         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8054         nested function declarators.
8055         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8056         (grokparms): Call warn_if_shadowing for parameters used within the
8057         parameter list.
8058         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8059         not used within the parameter list.
8060         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8061
8062 2005-07-30  Jan Hubicka  <jh@suse.cz>
8063
8064         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8065         * i386.c (ix86_fixup_binary_operands): Likewise.
8066         (ix86_expand_unary_operator): Likewise.
8067         (ix86_expand_fp_absneg_operator): Likewise.
8068         * optabs.c (expand_vec_cond_expr): Validate dest.
8069
8070 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8071
8072         PR c/21720
8073         * real.c (real_from_string): Also set last bit if there is a
8074         nonzero hex digit beyond GCC's internal precision after ".".
8075
8076 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8077
8078         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8079         define_constants.  Change duplicate values to unassigned numbers.
8080         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8081         (*altivec_vspltsf): New.
8082         (altivec_vperm_v4sf): Delete.
8083         (altivec_vperm_<mode>): Use mode macro V.
8084         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8085         (altivec_predicate_v4sf): Delete.
8086         (altivec_predicate_<mode>): Use mode macro V.
8087         (*altivec_lvesfx): New.
8088         (*altivec_stvesfx): New.
8089         (vec_realign_load_v4sf): Delete.
8090         (vec_realign_load_<mode>): Use mode macro V.
8091         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8092         UNSPECV_SET_VRSAVE.
8093
8094 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8095
8096         PR bootstrap/23131
8097         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8098         string.
8099         * configure: Regenerated.
8100
8101 2005-07-29  Paul Brook  <paul@codesourcery.com>
8102
8103         * doc/install.texi: Add link to GFortran binaries wiki page.
8104
8105 2005-07-29  David Ung  <davidu@mips.com>
8106
8107         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8108         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8109         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8110         * config/mips/mips.md (cpu): Add 5kf name.
8111         (includes): Includes 5k.md.
8112         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8113         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8114         -march flag.
8115
8116 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8117
8118         PR 22550
8119         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8120         (cleanup_tree_cfg): ... here.
8121         Call cleanup_tree_cfg_1 until there are no more cleanups to
8122         do.
8123
8124 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8125
8126         * tree-vrp.c (compare_range_with_value): Return true or false
8127         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8128         EQ_EXPR respectively.
8129
8130 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8131
8132         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8133         Fix comment typos.
8134
8135 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8136
8137         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8138         (tree_ssa_dominator_optimize): Increment it.
8139         (dump_dominator_optimization_stats): Print it.
8140
8141 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8142             Steven Bosscher  <stevenb@suse.de>
8143
8144         PR rtl-optimization/23117
8145         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8146         when head == tail.  Tidy comment.
8147
8148 2005-07-28  Richard Henderson  <rth@redhat.com>
8149
8150         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8151         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8152         * jump.c (rtx_renumbered_equal_p): Likewise.
8153         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8154         CONST_INT and CONST_DOUBLE.
8155         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8156         * reload.c (operands_match_p): Special case CONST_INT and
8157         CONST_DOUBLE; check mode earlier.
8158
8159 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8160
8161         PR c/22240
8162         * c-typeck.c (convert_for_assignment): Do not check
8163         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8164
8165 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8166
8167         PR c/22192
8168         * c-typeck.c (composite_type): Prefer constant size arrays to
8169         VLAs.
8170
8171 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8172
8173         PR c/21720
8174         * real.c (real_from_string): Set last bit if there is a nonzero
8175         hex digit beyond GCC's internal precision.
8176
8177 2005-07-28  Richard Henderson  <rth@redhat.com>
8178
8179         PR rtl-opt/22619
8180         * cfgcleanup.c (try_forward_edges): Watch out for end of
8181         insn chain.
8182
8183 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8184
8185         PR c/23106
8186         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8187
8188 2005-07-28  Jan Hubicka  <jh@suse.cz>
8189
8190         * Makefile.in (rtl-profile.o): Kill all traces of it.
8191         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8192         * coverage.h (rtl_coverage_counter_ref): Kill.
8193         * opts.c (flag_speculative_prefetching_set): Kill.
8194         (flag_loop_optimize_set): New.
8195         (common_handle_option): Disable loop optimizer when profiling;
8196         do not handle speculative prefetching.
8197         * passes.c (init_optimization_passes): Replace pass_profiling combo
8198         by branch_prob pass.
8199         * profile.c (compute_value_histograms): Update for simplified value
8200         profiles.
8201         (rtl_register_profile_hooks): Kill.
8202         (pass_profiling): Kill.
8203         (rest_of_handle_branch_prob): Do not profile.
8204         * toplev.c (process_options): Remove speculative prefetching.
8205         * toplev.h (flag_tree_based_profiling): Kill.
8206         * tree-profile.c (prepare_instrumented_value,
8207         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8208         tree_gen_one_value_profiler, do_tree_profiling): Update for
8209         simplified datastructures.
8210         * value-prof.c: Add comment that speculative prefetching was dropped;
8211         update rest of file for simplified datastructures.
8212         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8213         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8214         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8215         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8216         rtl_mod_subtract, gen_speculative_prefetch,
8217         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8218         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8219         (gate_handle_value_profile_transformations,
8220         rest_of_handle_value_profile_transformations,
8221         pass_value_profile_transformations): Kill.
8222         * value-prof.h (histogram_value_t): Remove IL based unions.
8223         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8224         rtl_profile_hooks): Remove hooks.
8225
8226         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8227
8228         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8229         (cgraph_clone_node): Likewise.
8230         * cgraph.h (cgraph_clone_edge): Update prototype.
8231         (cgraph_clone_node): Likewise.
8232         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8233         cgraph_clone_node.
8234         (lookup_recursive_calls): Consider profile.
8235         (cgraph_decide_recursive_inlining): Fix updating; use new
8236         probability argument; use profile.
8237         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8238         * tree-inline.c (copy_bb): Update clal of clone_edge.
8239         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8240
8241         * invoke.texi (min-inline-recursive-probability): Document.
8242
8243 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8244
8245         * doc/install.texi (Configuration): Update Valgrind homepage.
8246
8247 2005-07-28  Richard Henderson  <rth@redhat.com>
8248
8249         PR middle-end/21362
8250         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8251         labels we want to delete.
8252         (cfg_layout_merge_blocks): Likewise.
8253
8254 2005-07-28  Richard Henderson  <rth@redhat.com>
8255
8256         PR target/17692
8257         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8258         when expanding to nothing.
8259
8260 2005-07-28  Josh Conner  <jconner@apple.com>
8261
8262         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8263         (cgraph_decide_inlining_of_small_functions): Likewise.
8264
8265 2005-07-28  Josh Conner  <jconner@apple.com>
8266
8267         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8268         direction of badness if negative.
8269         (cgraph_default_inline_p): Add reason to parameters, and assign it
8270         a value.
8271         (cgraph_decide_inlining_of_small_functions): New parameter in call
8272         to cgraph_default_inline_p.
8273         (cgraph_decide_inlining_incrementally): Likewise.
8274         * cgraphunit.c (decide_is_function_needed): Likewise.
8275         * cgraph.h (cgraph_default_inline_p): Likewise.
8276
8277 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8278
8279         * builtins.c: Fix comment typo(s).
8280         * genautomata.c: Likewise.
8281         * gimplify.c: Likewise.
8282         * tree-dfa.c: Likewise.
8283         * tree-flow-inline.h: Likewise.
8284         * tree-into-ssa.c: Likewise.
8285         * tree-ssa-alias.c: Likewise.
8286         * tree-ssa-ccp.c: Likewise.
8287         * tree-ssa-copy.c: Likewise.
8288         * tree-ssa-dce.c: Likewise.
8289         * tree-ssa-dom.c: Likewise.
8290         * tree-ssa-operands.c: Likewise.
8291         * tree-tailcall.c: Likewise.
8292         * tree-vectorizer.c: Likewise.
8293         * tree-vrp.c: Likewise.
8294         * tree.c: Likewise.
8295
8296 2005-07-28  Jeff Law  <law@redhat.com>
8297
8298         * tree-vrp.c (test_for_singularity): Extracted from  ...
8299         (simplify_cond_using_ranges): Attempt to simplify a relational
8300         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8301
8302 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8303
8304         PR tree-optimization/22506
8305         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8306         phis whose argument is constant.
8307
8308 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8309
8310         PR rtl-optimization/18992
8311         Back out this patch:
8312           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8313           PR optimization/12142
8314           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8315           uses of the register in the SET_SRC.  Remove unnecessary argument.
8316
8317         Replace it with this:
8318         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8319         if flag_non_call_exceptions is set and the insn may trap, pass
8320         pc_rtx as dest for recursion.
8321         In SET_SRC part of SET case, if dest is already set, pass it down
8322         unchanged.
8323
8324 2005-07-28  Jan Hubicka  <jh@suse.cz>
8325
8326         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8327         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8328         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8329         roundoff errors.
8330         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8331         profile when available.
8332
8333 2005-07-28  Jan Beulich <jbeulich@novell.com>
8334
8335         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8336         (ia64_print_operand): Describe and handle 'X'.
8337         (ia64_register_move_cost): Also handle FP_REGS.
8338         (ia64_preferred_reload_class): Likewise.
8339         (ia64_secondary_reload_class): Likewise.
8340         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8341         it. Also check for ITANIUM_CLASS_FLDP.
8342         * config/ia64/ia64.h (FP_REGNO_P): New.
8343         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8344         (reg_class): Add FP_REGS.
8345         (REG_CLASS_NAMES): Adjust for it.
8346         (REG_CLASS_CONTENTS): Likewise.
8347         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8348         (REG_CLASS_FROM_LETTER): Handle 'x'.
8349         (CLASS_MAX_NREGS): Handle FP_REGS.
8350         (MEMORY_MOVE_COST): Likewise.
8351         * config/ia64/ia64.md (itanium_class): Add fldp.
8352         (type): Handle fldp.
8353         (movti_internal): More allowable operand combinations. Use ldfp8 when
8354         splitting unnecessary. Remove predicable attribute. Adjust
8355         itanium_class attribute.
8356         (smuldi3_highpart): Remove outdated comment.
8357         (mulditi3, umulditi3, rotlti3): New expanders.
8358         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8359         (absti2): Disabled new insn for future reference.
8360         Respective new splitters.
8361         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8362         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8363         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8364
8365 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8366
8367         PR rtl-optimization/23047
8368         * simplify-rtx.c (simplify_const_relational_operation): Respect
8369         flag_wrapv for comparisons with ABS.
8370
8371 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8372
8373         PR tree-optimization/22493
8374         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8375         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8376
8377 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8378
8379         * config/frv/frv.opt (moptimize-membar): New.
8380
8381         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8382
8383         * config/frv/frv.h: Remove machine_function definition.
8384
8385         * config/frv/frv.c (struct frv_io): New.
8386         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8387         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8388         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8389         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8390         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8391         (frv_reorg): Call frv_optimize_membar when appropriate.
8392         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8393         (frv_expand_builtin): Adjust calls accordingly.
8394         (frv_io_address_cookie): New function.
8395         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8396         load or store rather than a special insn.  Add ccnstant address and
8397         io-type operands to the membar.
8398         (frv_ifcvt_modify_tests): Unsign regno.
8399         (frv_ifcvt_modify_tests): Same.
8400
8401         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8402         UNSPEC_OPTIONAL_MEMBAR constant.
8403         (builtin_read_<mode>): Delete.
8404         (builtin_write_<mode>): Delete.
8405         ("optional_membar_<mode>"): Add operand.
8406
8407         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8408         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8409         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8410         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8411         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8412         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8413         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8414         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8415         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8416
8417 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8418
8419         * df.c (df_uses_record): Handle SCRATCH.
8420
8421 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8422
8423         PR debug/20161
8424         * passes.c (rest_of_decl_compilation): If decl is a type and
8425         we have encountered errors, don't emit debug information.
8426
8427 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8428
8429         * params.def: Fixed comment.
8430
8431 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8432
8433         PR target/19885
8434         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8435         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8436         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8437
8438 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8439
8440         PR c++/22003
8441         * varasm.c (assemble_start_function): Don't do anything that may
8442         require a CFG if the current function is a thunk.
8443
8444 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8445
8446         * doc/install.texi (Prerequisites): Mention that perl is needed
8447         to do export control in libstdc++ targetting Darwin.
8448
8449 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8450
8451         PR rtl-optimization/17808
8452         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8453         (sched_insns_conditions_mutex_p): Split out from...
8454         (add_dependence): ...here.  But don't call it from here.
8455         (add_dependence_list): Check sched_insns_conditions_mutex_p
8456         before calling add_dependence.
8457         (add_dependence_list_and_free): Likewise.
8458         (fixup_sched_groups): Likewise.
8459         (sched_analyze_1): Likewise.
8460         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8461         (sched_analyze): Likewise.
8462         (sched_analyze_insn): Likewise.
8463         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8464         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8465         dependencies on all COND_EXEC insns to jumps ending basic blocks
8466         when doing intrablock scheduling.
8467         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8468
8469 2005-07-27  Jeff Law  <law@redhat.com>
8470
8471         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8472         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8473         equivalency sets, correctly handle the case were vr0 has an
8474         equivalency set, but vr1 does not.
8475
8476 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8477
8478         PR tree-optimization/23073
8479         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8480         vect_print_dump_info before fprintf.
8481
8482 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8483
8484         PR tree-optimize/22348
8485         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8486         Fold the partial computation.
8487
8488 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8489
8490         PR tree-optimization/22325
8491         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8492         Declare.
8493         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8494         value replacement.
8495         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8496         (force_var_cost): ... this function.
8497         (compute_phi_arg_on_exit): Export.
8498
8499 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8500
8501         PR tree-optimization/20773
8502         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8503         edge.
8504
8505 2005-07-27  Richard Guenther  <rguenther@suse.de>
8506
8507         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8508         Avoid pushing again if current struct contains only
8509         fields we decomposed.
8510
8511 2005-07-27  Jan Hubicka  <jh@suse.cz>
8512
8513         PR tree-optimization/22574
8514         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8515         not available.
8516
8517         * tree-tailcall.c (decrease_profile): New function.
8518         (eliminate_tail_call): Use it.
8519
8520         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8521         visibility flags correctly in whole program mode.
8522
8523 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8524
8525         PR rtl-optimization/22472
8526         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8527
8528 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8529
8530         PR tree-optimization/22504
8531         * tree-complex.c (expand_complex_addition): Use 'code' instead
8532         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8533
8534 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8535
8536         * config.gcc (cpu_type): Add frv case.
8537         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8538         (supported_defaults): Add fr550 case.
8539
8540 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8541
8542         PR 22591
8543         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8544         whether a pointer of type T * may point to objects of type T *.
8545
8546 2005-07-26  DJ Delorie  <dj@redhat.com>
8547
8548         * configure: Regenerate.
8549
8550 2005-07-26  Dale Johannesen  <dalej@apple.com>
8551
8552         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8553
8554 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8555
8556         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8557         Clarify use of "build" in name.
8558
8559 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8560
8561         * doc/extend.texi (Raw read/write Functions): New section.
8562         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8563         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8564         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8565         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8566         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8567         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8568         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8569         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8570         * config/frv/frv.c: Add bdesc_loads global.
8571         Add bdesc_stores global.
8572         (frv_init_builtins): Add support for __builtin_{read/write}*.
8573         (frv_volatile_memref): New.
8574         (frv_expand_load_builtin): New.
8575         (frv_expand_store_builtin): New.
8576         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8577         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8578         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8579         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8580         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8581         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8582         (builtin_read_<mode>): New.
8583         (builtin_write_<mode>): New.
8584         (builtin_write64): New.
8585         (optional_membar_<mode>): New.
8586
8587 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8588
8589         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8590         (rather than units) against HOST_BITS_PER_WIDE_INT.
8591
8592 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8593
8594         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8595         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8596         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8597         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8598         FSF address.
8599
8600         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8601         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8602         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8603         comment typos.
8604         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8605
8606 2005-07-26  Richard Guenther  <rguenther@suse.de>
8607
8608         PR tree-optimization/22486
8609         * fold-const.c (fold_unary): Fold away useless component
8610         references of the form (T *)&T.x, if the address
8611         doesn't change.
8612
8613 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8614
8615         * dwarf2out.c (add_call_src_coords_attributes): New.
8616         (gen_inlined_subroutine_die): Call it.
8617         (maybe_emit_file, init_file_table): Add comments.
8618         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8619         maybe_emit_file.
8620         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8621         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8622         * tree.h (BLOCK_SOURCE_LOCATION): New.
8623         (struct tree_block): New field locus.
8624
8625 2005-07-26  Andreas Schwab  <schwab@suse.de>
8626
8627         PR rtl-optimization/23043
8628         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8629         when allocating a struct unoccr.
8630
8631 2005-07-25  Richard Henderson  <rth@redhat.com>
8632
8633         PR 22626
8634         * tree-complex.c (gate_no_optimization): True if errors.
8635         * Makefile.in (tree-complex.o): Update dependencies.
8636
8637 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8638
8639         * config/frv/predicates.md (integer_register_operand): Use
8640         GPR_AP_OR_PSEUDO_P.
8641
8642 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8643
8644         PR tree-opt/22484
8645         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8646         after fold.
8647         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8648
8649 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8650
8651         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8652         types when flag_unsafe_math_optimizations is true.
8653
8654 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8655
8656         * gcc.c (option_map): Add --sysroot.
8657         (process_command): Handle --sysroot.
8658         (display_help): Document it.
8659         * doc/cppopts.tex (-isysroot): Document.
8660         * doc/invoke.texi (--sysroot): Document.
8661         * doc/install.texi (--with-build-sysroot): Document.
8662
8663         * Makefile.in (inhibit_libc): New variable.
8664         (INHIBIT_LIBC_CFLAGS): Likewise.
8665         (LIBGCC2_CFLAGS): Include
8666         $(INHIBIT_LIBC_CFLAGS).
8667         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8668         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8669         ($(T)crtend.o): Likewise.
8670         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8671         ($(T)crtendS.o): Likewise.
8672         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8673         ($(T)crtendT.o): Likewise.
8674         (stmp-fixinc): Do not complain about missing headers if
8675         inhibit_libc.
8676         * configure.ac (inhibit_libc): Set it to true/false.
8677         (--with-build-sysroot): New option.  Use it to set
8678         SYSTEM_HEADER_DIR.
8679         * configure: Regenerated.
8680
8681 2005-07-25  Manfred Hollstein  <mh@suse.com>
8682
8683         * calls.c (store_one_arg): Fix unsigned comparison warning.
8684
8685 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8686
8687         PR other/22337
8688         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8689         (ggc_print_statistics): Initialize variable before use.
8690
8691 2005-07-25  Richard Guenther  <rguenther@suse.de>
8692
8693         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8694         calling with a PHI_NODE argument.
8695
8696         * tree-flow-inline.h (overlap_subvar): Protect against
8697         possible overflow.
8698
8699 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8700
8701         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8702         * configure: Regenerate.
8703
8704 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8705
8706         * expr.c (highest_pow2_factor): Make extern.
8707         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8708         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8709         record_array_differ_p, array_ptr_differ_p): Likewise.
8710         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8711         additional cases. Call the above functions.
8712         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8713         base_object_differ_p when there are two base objects. Otherwise, compare
8714         base address and offset. Call may_alias_p.
8715         (dump_data_reference): Use a correct field name.
8716         (analyze_array): Make static. Initialize new data-ref fields.
8717         (analyze_indirect_ref): New function.
8718         (init_data_ref): Initialize new data-ref fields.
8719         (strip_conversion): Moved from tree-vect-analyze.c.
8720         (analyze_offset_expr, get_ptr_offset, address_analysis,
8721         object_analysis): Likewise.
8722         (analyze_offset): New function.
8723         (create_data_ref): Likewise.
8724         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8725         dimensions for ARRAY_REFs only.
8726         (build_classic_dist_vector): Make static.
8727         (access_functions_are_affine_or_constant_p): Call macro to get the
8728         address of access functions.
8729         (compute_all_dependences): Add new parameter
8730         compute_self_and_read_read_dependences. Compute self and read-read
8731         dependences if it is true.
8732         (find_data_references_in_loop): Call create_data_ref. Initialize new
8733         data-ref fields.
8734         (compute_data_dependences_for_loop): Add new parameter
8735         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8736         compute nb_loops. Call compute_all_dependences,
8737         build_classic_dist_vector and build_classic_dir_vector with correct
8738         parameters.
8739         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8740         with correct parameters. Compare dimensions for ARRAY_REFs only.
8741         (free_data_refs): Call macro to free access functions.
8742         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8743         fields from stmt_vinfo.
8744         (struct base_object_info): New structure.
8745         (struct data_reference): Move fields to base_object_info. Add fields
8746         first_location and object_info for above structures. Move fields from
8747         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8748         aligned_to.  Add macros to access the new fields.
8749         Update functions declarations.
8750         * tree-flow.h (is_aliased_with): Declare.
8751         * tree-loop-linear.c (linear_transform_loops): Call
8752         compute_data_dependences_for_loop with correct parameters.
8753         * tree-ssa-alias.c (is_aliased_with): New function.
8754         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8755         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8756         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8757         vect_base_addr_differ_p, compute_subscript_distance and
8758         build_classic_dist_vector. Add printings. Check absolute value of
8759         distance.
8760         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8761         data-refs.
8762         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8763         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8764         to bytes. Add printing.
8765         (vect_compute_data_refs_alignment): Go through loads and stores in one
8766         loop.
8767         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8768         vect_analyze_data_ref_access): Likewise.
8769         (vect_analyze_pointer_ref_access): Remove.
8770         (vect_address_analysis, vect_object_analysis): Likewise.
8771         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8772         and analyze data-refs in the loop.
8773         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8774         fields of data-ref instead of stmt. Add init to the offset from the
8775         base.
8776         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8777         (vect_update_init_of_dr): Likewise.
8778         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8779         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8780         removed fields.
8781         (new_loop_vec_info): Initialize new fields.
8782         (destroy_loop_vec_info): Free new fields.
8783         (vect_strip_conversion): Remove.
8784         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8785         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8786         datarefs. Add new field ddrs.
8787         Add macros for the new fields access.
8788         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8789         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8790         Remove their macros.
8791         * tree.h (highest_pow2_factor): Declare.
8792
8793 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8794
8795         * calls.c (store_one_arg): Check for sibling call MEM arguments
8796         from already clobbered incoming argument area.
8797
8798 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8799
8800         * c-common.c (check_missing_format_attribute): New.
8801         * c-common.h (check_missing_format_attribute): Likewise.
8802         * c-typeck.c (convert_for_assignment): Use it.
8803
8804 2005-07-24  Andreas Schwab  <schwab@suse.de>
8805
8806         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8807         register use a word move.  Correct operand of ext.w in 68000 code.
8808
8809 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8810
8811         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8812         variables as declarations, rather than definitions.
8813
8814 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8815
8816         PR tree-optimization/22526
8817         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8818         of the zero node.
8819
8820 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8821
8822         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8823         that C99 reserve for future use. Use it to define clog10,
8824         clog10f and clog10l.
8825
8826 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8827
8828         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8829         * configure.ac: Check for -Wmissing-format-attribute.
8830
8831         * configure: Regenerate.
8832
8833 2005-07-23  Richard Henderson  <rth@redhat.com>
8834
8835         PR tree-optimization/22623
8836         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8837
8838 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8839
8840         PR target/22577
8841         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8842
8843 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8844
8845         * Makefile.in (C_TREE_H): Update dependencies.
8846         * c-tree.h: Include toplev.h.
8847         * diagnostic.h (diagnostic_set_info): Add format attribute.
8848         * rtl-error.c (diagnostic_for_asm): Likewise.
8849
8850 2005-07-23  Chao-ying Fu  <fu@mips.com>
8851
8852         * config/mips/mips-dsp.md: New file.
8853         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8854         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8855         functions.
8856         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8857         MIPS_BUILTIN_BPOSGE32.
8858         (mips_expand_builtin_direct): Add one parameter to indicate that
8859         builtin functions need to return a value.
8860         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8861         functions.
8862         (mips_regno_to_class): Add classes for 12 new DSP registers.
8863         (mips_subword): Change to check four HI registers.
8864         (mips_output_move): Output move to and from 6 new DSP accumulators.
8865         (override_options): Make sure -mdsp and -mips16 are not used together.
8866         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8867         for machine modes.
8868         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8869         when !TARGET_DSP.
8870         (print_operand): Add 'q' for printing DSP accumulators.
8871         (mips_cannot_change_mode_class): Check ACC_REGS.
8872         (mips_secondary_reload_class): Check ACC_REGS.
8873         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8874         (mips_register_move_cost): Check ACC_REGS.
8875         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8876         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8877         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8878         (dsp_bdesc): New array.
8879         (bdesc_arrays): Add DSP builtin function table.
8880         (mips_prepare_builtin_arg): Check predicate again after
8881         copy_to_mode_reg.
8882         (mips_expand_builtin): Add one more parameter to
8883         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8884         MIPS_BUILTIN_BPOSGE32.
8885         (mips_init_builtins): Initialize new function types.
8886         (mips_expand_builtin_direct): Check if builtin functions need to
8887         return a value and pass operands properly.
8888         (mips_expand_builtin_bposge): New function.
8889         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8890         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8891         (FIRST_PSEUDO_REGISTER): Increase to 188.
8892         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8893         Update for 12 new DSP registers.
8894         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8895         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8896         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8897         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8898         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8899         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8900         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8901         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8902         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8903         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8904         (REGISTER_NAMES): Add names for 12 new DSP registers.
8905         * config/mips/mips.md: Include mips-dsp.md.
8906         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8907         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8908         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8909         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8910         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8911         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8912         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8913         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8914         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8915         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8916         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8917         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8918         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8919         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8920         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8921         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8922         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8923         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8924         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8925         (UNSPEC_RDDSP): New constants.
8926         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8927         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8928         A<-d alternative.
8929         * config/mips/mips.opt (-mdsp): New option.
8930         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8931         (reg_imm10_operand): New predicates.
8932         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8933         * doc/invoke.texi (-mdsp): Document new option.
8934
8935 2005-07-22  DJ Delorie  <dj@redhat.com>
8936
8937         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8938         to warning calls.
8939         * tree-inline.c (inlinable_function_p): Likewise.
8940
8941 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8942
8943         PR debug/21828
8944         * toplev.c (check_global_declarations): Do not mark undefined
8945         variables as DECL_IGNORED_P.
8946         * varasm.c (first_global_object_name): GTY it.
8947         (weak_global_object_name): Likewise.
8948         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8949         a string to go into {weak,first}_global_object_name.
8950
8951 2005-07-22  DJ Delorie  <dj@redhat.com>
8952
8953         * c-format.c (check_function_format): Change warning control
8954         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8955
8956 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8957
8958         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8959         &PTR->FLD a dereference of PTR.
8960         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8961         a potential dereference of PTR.
8962
8963 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8964
8965         PR rtl-optimization/20370
8966         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8967         call allocate_reg_info if necessary.
8968
8969         PR rtl-optimization/21848
8970         * calls.c (emit_library_call_value_1): For const functions, add
8971         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8972
8973         PR rtl-optimization/22445
8974         * cselib.c (target.h): Include.
8975         (rtx_equal_for_cselib_p): Allow commutative matches.
8976         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8977         Remove MODE parameter.  Changed all callers.
8978
8979         PR rtl-optimization/22258
8980         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8981         New functions.
8982         (try_combine): Use likely_spilled_retval_p.
8983
8984 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8985
8986         * config.gcc: Add crx-elf support.
8987
8988         * doc/contrib.texi: Mention crx.
8989         * doc/extend.texi: Document crx extensions.
8990         * doc/install.texi: Document crx install.
8991         * doc/invoke.texi: Document crx options.
8992         * doc/md.texi: Document crx constraints.
8993
8994         * config/crx/crx-protos.h: New file.
8995         * config/crx/crx.c: New file.
8996         * config/crx/crx.h: New file.
8997         * config/crx/crx.md: New file.
8998         * config/crx/crx.opt: New file.
8999         * config/crx/t-crx: New file.
9000
9001 2005-07-22  Manfred Hollstein  <mh@suse.com>
9002
9003         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9004         warnings.
9005         (int_add_graph_edge): Likewise.
9006         (collapse_nodes): Likewise.
9007         (process_unification_queue): Likewise.
9008
9009 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9010             Laurent GUERBY  <laurent@guerby.net>
9011
9012         PR tree-optimization/22336
9013         * function.c (record_block_change): Check for
9014         cfun->ib_boundaries_block.
9015
9016 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9017
9018         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9019         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9020
9021 2005-07-21  DJ Delorie  <dj@redhat.com>
9022
9023         * toplev.c (warn_deprecated_use): Add warning control to warning
9024         call.
9025         * c-typeck.c (parser_build_binary_op): Likewise.
9026         (c_finish_if_stmt): Likewise.
9027         * c-common.c (check_function_sentinel): Likewise.
9028         (check_nonnull_arg): Likewise.
9029
9030 2005-07-21  Richard Henderson  <rth@redhat.com>
9031
9032         PR tree-opt/22504
9033         * tree-complex.c (complex_ssa_name_components): New.
9034         (cvc_lookup): Allow entry not found.
9035         (create_components): Remove.
9036         (create_one_component_var, get_component_var): New.
9037         (get_component_ssa_name, set_component_ssa_name): New.
9038         (extract_component): Use get_component_ssa_name.
9039         (update_complex_components): Use set_component_ssa_name.
9040         (update_complex_components_on_edge): Likewise.
9041         (update_phi_components): Create new PHI nodes directly, instead
9042         of adding insns to edges.
9043         (tree_lower_complex): Allocate and free complex_variable_components
9044         and complex_ssa_name_components here.
9045
9046 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9047
9048         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9049         revert to returning false.
9050
9051 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9052
9053         PR target/21149
9054         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9055
9056 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9057
9058         PR target/22576
9059         * config/i386/i386.md (cmpxf): Change operand constraints
9060         to "nonmemory_operand".
9061
9062 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9063
9064         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9065
9066 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9067
9068         PR middle-end/21180
9069         * fold-const.c (fold_build1): Add checksum for the operands.
9070         (fold_build2): Likewise.
9071         (fold_build3): Likewise.
9072
9073 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9074
9075         PR middle-end/19055
9076         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9077
9078 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9079
9080         * common.opt (-fforward-propagate): Committed by mistake,
9081         removed.
9082
9083 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9084
9085         * reg-stack.c: Fix comment typo(s).
9086         * tree-ssa-operands.c: Likewise.
9087         * tree-vectorizer: Likewise.
9088
9089 2005-07-21  Nick Clifton  <nickc@redhat.com>
9090
9091         * config/sh/symbian.c: Replace C++ style line comments with C
9092         style line comments.
9093         (symbian_add_attribute): Do not use a ? operator on the LHS of
9094         an assignment.
9095         (sh_symbian_handle_dll_attribute): Change the type of the
9096         method vector to "VEC(tree,gc)*" and use vector accessor
9097         macros to walk over the elements.
9098         (symbian_export_vtable_and_rtti_p): Likewise.
9099         (symbian_class_needs_attribute_p): Likewise.
9100
9101 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9102
9103         PR target/22085
9104         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9105         initialize targetm.resolve_overloaded_builtin here.
9106         (altivec_expand_overloaded_builtin): Make it non-static.
9107         * config/rs6000/rs6000-protos.h
9108         (altivec_expand_overloaded_builtin): New prototype.
9109         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9110         targetm.resolve_overloaded_builtin here.
9111         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9112
9113 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9114             Zdenek Dvorak  <dvorakz@suse.cz>
9115
9116         PR tree-optimization/19210
9117         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9118         New.
9119         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9120         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9121         rely on unproven assumptions.
9122         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9123         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9124         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9125         to number_of_iterations_exit.
9126         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9127         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9128         * tree-ssa-loop-niter.c (find_loop_niter,
9129         estimate_numbers_of_iterations_loop): Likewise.
9130         (number_of_iterations_exit): Honor the new options.
9131         * doc/invoke.texi (Wunsafe-loop-optimizations,
9132         funsafe-loop-optimizations): Document them.
9133
9134 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9135
9136         PR rtl-optimization/22167
9137         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9138
9139 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9140
9141         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9142         __do_global_dtors_aux longcall.
9143
9144 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9145
9146         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9147         (old_special_pred_table): Don't reference
9148         SPECIAL_MODE_PREDICATES.
9149         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9150         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9151         * config/sh/predicates.h: Don't mention
9152         SPECIAL_MODE_PREDICATES.
9153         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9154         Remove.
9155
9156 2005-07-20  DJ Delorie  <dj@redhat.com>
9157
9158         * config.gcc: Add m32c-elf support.
9159
9160         * doc/contrib.texi: Mention m32c.
9161         * doc/extend.texi: Document m32c extensions.
9162         * doc/install.texi: Mention m32c.
9163         * doc/invoke.texi: Document m32c options.
9164         * doc/md.texi: Document m32c constraints.
9165
9166         * config/m32c/addsub.md: New file.
9167         * config/m32c/bitops.md: New file.
9168         * config/m32c/cond.md: New file.
9169         * config/m32c/jump.md: New file.
9170         * config/m32c/m32c-lib1.S: New file.
9171         * config/m32c/m32c-lib2.c: New file.
9172         * config/m32c/m32c-modes.def: New file.
9173         * config/m32c/m32c-pragma.c: New file.
9174         * config/m32c/m32c-protos.h: New file.
9175         * config/m32c/m32c.abi: New file.
9176         * config/m32c/m32c.c: New file.
9177         * config/m32c/m32c.h: New file.
9178         * config/m32c/m32c.md: New file.
9179         * config/m32c/m32c.opt: New file.
9180         * config/m32c/minmax.md: New file.
9181         * config/m32c/mov.md: New file.
9182         * config/m32c/muldiv.md: New file.
9183         * config/m32c/predicates.md: New file.
9184         * config/m32c/prologue.md: New file.
9185         * config/m32c/shift.md: New file.
9186         * config/m32c/t-m32c: New file.
9187
9188 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9189
9190         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9191         (stack_protect_set, stack_protect_test): New expanders.
9192         (stack_protect_set_si, stack_protect_set_si_media,
9193         stack_protect_set_di_media, stack_protect_test_si,
9194         stack_protect_test_si_media, stack_protect_test_di_media):
9195         New insns.
9196
9197 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9198
9199         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9200
9201 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9202
9203         * tree.h (tree_expr_nonzero_p): Export.
9204         * fold-const.c (tree_expr_nonzero_p): Likewise.
9205         Return true for CALL_EXPRs that are alloca calls.
9206         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9207         against zero.
9208         * tree-flow.h (expr_computes_nonzero): Remove.
9209         * tree-vrp.c (expr_computes_nonzero): Remove.
9210         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9211         (extract_range_from_unary_expr): Likewise.
9212         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9213         tree_expr_nonzero_p.
9214
9215 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9216
9217         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9218         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9219         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9220         All callers changed.
9221         (frame_related_constant_load): New arg "related" which controls
9222         setting of RTX_FRAME_RELATED_P.  All callers changed.
9223         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9224         (bfin_expand_prologue): Add stack limit checking.
9225         * config/bfin/bfin.md (trapifcc): New pattern.
9226
9227         * config/bfin/bfin.c: Include "langhooks.h".
9228         (def_builtin): Go through lang_hooks to call builtin_function.
9229
9230         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9231         * config/bfin/predicates.md (symbol_ref_operand): New.
9232         (call_insn_operand): Delete.  All callers changed to use
9233         register_no_elim_operand.
9234         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9235         call_cookie field.
9236         (function_arg): Use it to generate the call's operand 2.
9237         (bfin_longcall_p): New function.
9238         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9239         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9240         determine if the address needs to be in a REG.
9241         (bfin_handle_longcall_attribute): New function.
9242         (bfin_attribute_table): Add "longcall" and "shortcall".
9243         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9244         (CUMULATIVE_ARGS): New member call_cookie.
9245         (PREDICATE_CODES): Add symbol_ref_operand.
9246         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9247         extra USE to the pattern.
9248         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9249         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9250         sibcall_value_insn; now the new patterns handle direct calls and the
9251         old ones indirect calls.
9252         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9253
9254 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9255
9256         * doc/trouble.texi: Update section on handling of empty loops.
9257
9258 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9259
9260         * config.gcc: Remove support for sparc-*-openbsd*,
9261         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9262         ns32k-*-netbsd*.
9263         * config.host: Remove support for i860-*-sysv4* as a host.
9264         * config/i860/*, config/ip2k/*, config/ns32k/*,
9265         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9266         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9267         mention obsolete ports.
9268
9269 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9270
9271         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9272         soft frame pointer.
9273         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9274         of frame_pointer_rtx.
9275         (sh_expand_epilogue): Likewise.
9276         (sh_set_return_address): Likewise.
9277         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9278         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9279         offsets from FRAME_POINTER_REGNUM.
9280         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9281         (sh_register_names): Add initializer for sfp.
9282         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9283         (VALID_REGISTER_P): Likewise.
9284         (FIRST_PSEUDO_REGISTER): Update.
9285         (DWARF_FRAME_REGISTERS): Define.
9286         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9287         (HARD_FRAME_POINTER_REGNUM): Define.
9288         (FRAME_POINTER_REGNUM): Redefine.
9289         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9290         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9291         from FRAME_POINTER_REGNUM.
9292         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9293         FRAME_POINTER_REGNUM.
9294         (REG_CLASS_CONTENTS): Add sfp.
9295         (REG_ALLOC_ORDER): Likewise.
9296         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9297         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9298         of frame_pointer_rtx.
9299         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9300
9301 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9302
9303         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9304         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9305         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9306         of an ABS_EXPR.
9307         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9308         ABS_EXPR<x>.
9309
9310 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9311
9312         Make CONSTRUCTOR use VEC to store initializers.
9313         * c-common.c (complete_array_type): Update to cope with VEC in
9314         CONSTRUCTOR_ELTS.
9315         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9316         (pp_c_constructor_elts): New function.
9317         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9318         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9319         struct constructor_stack, struct initializer_stack,
9320         constructor_elements, push_init_level, pop_init_level,
9321         add_pending_init, find_init_member, output_init_element): Update to
9322         cope with VEC in CONSTRUCTOR_ELTS.
9323         * coverage.c (build_fn_info_value, build_ctr_info_value,
9324         build_gcov_info): Likewise.
9325         * expr.c (categorize_ctor_elements_1, store_constructor,
9326         expand_expr_real_1): Likewise.
9327         * fold-const.c (fold_ternary): Likewise.
9328         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9329         gimplify_init_constructor, gimplify_expr): Likewise.
9330         * tree-dump.c (dequeue_and_dump): Likewise.
9331         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9332         node.
9333         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9334         CONSTRUCTOR_ELTS.
9335         * tree-sra.c (generate_element_init_1): Likewise.
9336         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9337         * tree-ssa-operands.c (get_expr_operands): Likewise.
9338         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9339         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9340         (get_initial_def_for_reduction): Likewise.
9341         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9342         value handle in annotations.
9343         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9344         tree_node_structure): Add support for constr_kind.
9345         (build_vector_from_ctor, build_constructor_single,
9346         build_constructor_from_list): New functions.
9347         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9348         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9349         Update to cope with VEC in CONSTRUCTOR_ELTS.
9350         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9351         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9352         CONSTRUCTOR_APPEND_ELT): New macros.
9353         (struct constructor_elt, struct tree_constructor): New data types.
9354         (union tree_node): Add tree_constructor field.
9355         * treestruct.def: Define TS_CONSTRUCTOR.
9356         * varasm.c (const_hash_1, compare_constant, copy_constant,
9357         compute_reloc_for_constant, output_addressed_constants,
9358         initializer_constant_valid_p, output_constant,
9359         array_size_for_constructor, output_constructor): Update to cope with
9360         VEC in CONSTRUCTOR_ELTS.
9361         * vec.h (VEC_empty, VEC_copy): New macros.
9362
9363 2005-07-19  Devang Patel  <dpatel@apple.com>
9364
9365         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9366
9367 2005-07-19  Richard Henderson  <rth@redhat.com>
9368
9369         PR tree-opt/22278
9370         * gimplify.c (gimplify_expr): Use main variant type for the temp
9371         destination for a discarded volatile read.
9372         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9373         casts between non-void types that change volatility.
9374
9375 2005-07-15  DJ Delorie  <dj@redhat.com>
9376
9377         * toplev.h: Add comment about the first parameter for warning().
9378         * errors.h: Likewise.
9379
9380         * c.opt (Wpragmas): New.
9381         * doc/invoke.texi: Document it.
9382
9383         * function.c (do_warn_unused_parameter): Add warning control to
9384         warning call.
9385         * c-decl.c (warn_if_shadowing): Likewise.
9386         * c-lex.c (cb_def_pragma): Likewise.
9387         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9388         (pop_alignment): Likewise.
9389         (handle_pragma_pack): Likewise.
9390         (apply_pragma_weak): Likewise.
9391         (handle_pragma_weak): Likewise.
9392         (handle_pragma_redefine_extname): Likewise.
9393         (add_to_renaming_pragma_list): Likewise.
9394         (handle_pragma_extern_prefix): Likewise.
9395         (maybe_apply_renaming_pragma): Likewise.
9396         (handle_pragma_visibility): Likewise.
9397
9398         * config/c4x/c4x-c.c (BAD): Likewise.
9399         (c4x_parse_pragma): Likewise.
9400         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9401         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9402         (rs6000_pragma_longcall): Likewise.
9403         * config/v850/v850-c.c (pop_data_area): Likewise.
9404         (ghs_pragma_section): Likewise.
9405         (ghs_pragma_section): Likewise.
9406         (ghs_pragma_interrupt): Likewise.
9407         (ghs_pragma_starttda): Likewise.
9408         (ghs_pragma_startsda): Likewise.
9409         (ghs_pragma_startzda): Likewise.
9410         (ghs_pragma_endtda): Likewise.
9411         (ghs_pragma_endsda): Likewise.
9412         (ghs_pragma_endzda): Likewise.
9413
9414 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9415             Kenneth Zadeck <zadeck@naturalbridge.com>
9416
9417         * Makefile.in: Removed tree-promote-statics.c
9418         * tree-promote-statics.c: Removed.
9419         * common.opt: Removed flag-promote-statics.
9420         * opts.c: Ditto.
9421         * passes.c: Removed tree-promote-statics pass.
9422         * tree-pass.h: Ditto.
9423         * timevar.def: Removed TV_PROMOTE_STATICS.
9424
9425
9426 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9427
9428         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9429         and *-*-freebsd9.
9430         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9431
9432 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9433
9434         PR c/22476
9435         * c-common.c (check_function_arguments): Call
9436         'check_function_format' if either -Wformat or
9437         -Wmissing-format-attribute are specified.
9438         * c-format.c (check_function_format): Check -Wformat before
9439         calling 'check_format_info'.
9440         * c-opts.c (c_common_post_options): Don't warn for
9441         -Wmissing-format-attribute without -Wformat.
9442         * c-typeck.c (convert_for_assignment): Detect additional cases for
9443         -Wmissing-format-attribute.
9444         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9445         behavior.
9446
9447 2005-07-19  Richard Guenther  <rguenther@suse.de>
9448
9449         * config/i386/i386.md (lrint<mode>2): Use temporary
9450         instead of clobbering non-existent memory.
9451
9452 2005-07-19  Nick Clifton  <nickc@redhat.com>
9453
9454         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9455         statement to avoid displaying ASCII control characters.
9456
9457 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9458
9459         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9460         * cfganal.c (find_edge_index): Ditto.
9461         * combine.c (combine_instructions): Ditto.
9462         * ddg.c (create_scc): Ditto.
9463         (find_successors): Ditto.
9464         (find_predecessors): Ditto.
9465         (find_nodes_on_paths): Ditto.
9466         (longest_simple_path): Ditto.
9467         * flow.c (update_life_info): Ditto.
9468         (count_or_remove_death_notes): Ditto.
9469         (clear_log_links): Ditto.
9470         * modulo-sched.c (generate_reg_moves): Ditto.
9471         (find_max_asap): Ditto.
9472         (find_max_hv_min_mob): Ditto.
9473         (find_max_dv_min_mob): Ditto.
9474         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9475         * sched-rgn.c (extract_edgelst): Ditto.
9476         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9477         (dump_update_ssa): Ditto.
9478         (ssa_names_to_replace) Ditto.
9479         (switch_virtuals_to_full_rewrite): Ditto.
9480         (update_ssa): Ditto.
9481         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9482
9483 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9484
9485         Fix PR tree-optimization/22483
9486
9487         * tree-complex.c (create_components): Use
9488         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9489         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9490         * tree-flow.h (safe_referenced_var_iterator): New structure.
9491         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9492         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9493         safe_referenced_var iterator.
9494         (add_type_alias): Ditto.
9495
9496 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9497
9498         * loop-init.c (rest_of_handle_loop2): Remove.
9499         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9500         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9501         (pass_rtl_loop_init, pass_rtl_loop_done,
9502         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9503         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9504         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9505         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9506         pass_tree_loop_done, and pass_tree_unswitch.
9507         (gate_loop): Rename to gate_tree_loop.
9508         * passes.c (init_optimization_passes): Update for renamed tree
9509         loop passes.  Add the new loop2 passes as subpasses of loop2.
9510         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9511         Update for the renamed tree loop passes.
9512
9513 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9514
9515         PR middle-end/22057
9516         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9517         blocks when optimizing.
9518
9519 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9520
9521         * common.opt (frename-registers): Initialize to 2.
9522         (fweb): Ditto.
9523         (fgcse-after-reload): Ditto.
9524         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9525         (process_options): Only change flag_web, flag_rename_registers,
9526         and flag_rerun_cse_after_loop if not explicitly set by user.
9527
9528 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9529
9530         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9531         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9532         in 64-bit mode the same as DImode in 32-bit mode.
9533         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9534         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9535         mode. Add new mode parameter.
9536         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9537         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9538         x86_64_shift_adj): New expanders.
9539         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9540         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9541         insns.
9542         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9543         DImode shift splitters.
9544         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9545         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9546         mode parameter.
9547
9548 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9549
9550         * i386.md (movdi_extzv_1): New.
9551         (zero_extendhidi2): Combine alternatives and never force use of
9552         REX64 prefix.
9553         (zero_extendqidi2): Likewise. Don't restrict input selection.
9554
9555 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9556
9557         Fix PR tree-optimization/22531
9558         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9559          moment.
9560
9561 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9562
9563         * tree-promote-statics.c (pass_promote_statics): Change dump file
9564          name.
9565
9566 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9567
9568         * tree-optimize.c (init_tree_optimization_passes): Add
9569         pass_eliminate_useless_stores pass.
9570         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9571         * tree-ssa-pre.c (is_copy_stmt): New function.
9572         (follow_copies_till_vuse): Ditto.
9573         (do_eustores): Ditto.
9574         (gate_eustores): Ditto.
9575
9576 2005-07-16  Richard Henderson  <rth@redhat.com>
9577
9578         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9579
9580 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9581            Kenneth Zadeck <zadeck@naturalbridge.com>
9582
9583         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9584         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9585         ipa-type-escape.h, tree-promote-statics.c
9586         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9587         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9588         tree-promote-statics.c: new files.
9589         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9590         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9591         int nonlocal_set_p, mark_constant_function): Deleted.
9592         (rest_of_handle_cfg): Removed call to mark_constant_function.
9593         (nonoverlapping_component_refs_p): Added calls to support
9594         type based aliasing.
9595         * tree-ssa-alias.c (may_alias_p,
9596         compute_flow_insensitive_aliasing): Ditto.
9597         * calls.c (flags_from_decl_or_type): Removed reference to
9598         cgraph_rtl_info.
9599         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9600         too many arguments.  This is necessary for Spec 2000.
9601         * cgraph.h (const_function, pure_function): Removed.
9602         * common.opt: Added "fipa-pure-const", "fipa-reference",
9603         "fipa-type-escape", and "ftree-promote-static".
9604         * opts.c: Ditto.
9605         * passes.c: Added ipa and tree-promote-statics passes.
9606         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9607         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9608         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9609         * tree-flow.h: Added exposed sra calls and addition of
9610         reference_vars_info field for FUNCTION_DECLS.
9611         * tree-pass.h: Added passes.
9612         * tree-sra.c: (sra_init_cache): New function.
9613         (sra_insert_before, sra_insert_after) Made public.
9614         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9615         and made public.
9616         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9617         aliasing. (may_alias_p): Added code to use type escape analysis to
9618         improve alias sets.
9619         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9620         code to prune clobbers of static variables based on information
9621         produced in ipa-reference pass.  Changed call clobbering so that
9622         statics are not marked as clobbered if the call does not clobber
9623         them.
9624
9625 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9626
9627         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9628         too.
9629
9630 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9631
9632         * doc/install.texi (*-*-solaris2*): Document recommended version
9633         of GNU binutils and mention GNU linker problem on Solaris 10.
9634
9635 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9636
9637         PR c/22421
9638         * c-decl.c (c_build_bitfield_integer_type): New function.
9639         (finish_struct): Call it.
9640         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9641
9642 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9643
9644         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9645         before returning.
9646
9647 2005-07-16  Jan Hubicka  <jh@suse.cz>
9648
9649         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9650         (scale_bbs_frequencies_int): Watch roundoff errors.
9651         * predict.c (return_prediction): Initialize return_stmt.
9652
9653 2005-07-16  Jan Hubicka  <jh@suse.cz>
9654
9655         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9656         after RTL profiling.
9657
9658 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9659
9660         PR middle-end/22398
9661         * fold-const.c (build_range_check): Convert high/low to etype
9662         if we are only comparing against exp.
9663
9664 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9665
9666         Fix PR tree-optimization/22376
9667         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9668         special var here.
9669         (need_to_solve): New function.
9670         (compute_points_to_sets): Use it.
9671
9672 2005-07-15  Jan Hubicka  <jh@suse.cz>
9673
9674         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9675         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9676
9677 2005-07-15  Richard Guenther  <rguenther@suse.de>
9678
9679         * c-common.c (handle_flatten_attribute): New function.
9680         Add flatten function attribute.
9681         * doc/extend.texi: Document flatten function attribute.
9682         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9683         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9684         New functions.
9685         (cgraph_decide_inlining): Handle functions with flatten
9686         attribute.
9687
9688 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9689
9690         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9691         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9692         UNSPEC_XCHG, UNSPEC_AND): New.
9693         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9694         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9695         * config/rs6000/sync.md (FETCHOP): New code macro.
9696         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9697         New code attrs.
9698         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9699         (sync_compare_and_swap<mode>): Same.
9700         (sync_lock_test_and_set<mode>): Same.
9701         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9702         for QImode and HImode, and not PPC405.
9703         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9704         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9705         (sync_<fetchop>{si,di}_internal): New.
9706         (sync_nand{si,di}_internal): New.
9707         (sync_old_<fetchop>{si,di}_internal): New.
9708         (sync_old_nand{si,di}_internal): New
9709         (sync_new_<fetchop>{si,di}_internal): New.
9710         (sync_new_nand{si,di}_internal): New.
9711         (atomic_and{si,di}): New.
9712         (sync_new_nand{si,di}_internal): New.
9713         (atomic_and{si,di}): New.
9714         (sync_add<mode>_internal): Delete.
9715         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9716         (sync_sub<mode>_internal): Delte.
9717         (sync_subshort_internal): New.
9718         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9719         (sync_anddi_internal): Delete.
9720         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9721         (sync_booldi_internal): Delete.
9722         (sync_boolc<mode>_internal): Delete.
9723         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9724         (sync_boolc<mode>_internal2): Delete.
9725         (sync_boolcc<mode>_internal): Delete.
9726         (isync, lwsync): Use unspec instead of unspec_volatile.
9727         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9728         Revert UNSPEC_VOLATILE.
9729         (rs6000_split_atomic_op): New.
9730         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9731
9732 2005-07-14  Eric Christopher  <echristo@redhat.com>
9733
9734         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9735         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9736
9737 2005-07-14  Eric Christopher  <echristo@redhat.com>
9738
9739         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9740
9741 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9742
9743         PR tree-optimization/22230
9744         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9745         the computation of the four cross productions for "range op range".
9746
9747 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9748             Ulrich Weigand  <uweigand@de.ibm.com>
9749
9750         PR target/20126
9751         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9752         in some insn.
9753
9754 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9755
9756         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9757
9758 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9759
9760         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9761
9762 2005-07-14  Richard Guenther  <rguenther@suse.de>
9763
9764         PR middle-end/22347
9765         * config/i386/i386-protos.h (ix86_function_value): Change
9766         prototype to match new target hook.
9767         * config/i386/i386.c (ix86_value_regno): Change prototype
9768         to take extra type argument.
9769         (TARGET_FUNCTION_VALUE): Define.
9770         (ix86_function_ok_for_sibcall): Pass extra argument to
9771         ix86_value_regno, check return slot rtx for exact match.
9772         (ix86_function_value): Take extra parameter.  Dispatch to
9773         ix86_value_regno with fndecl/fntype as provided.
9774         (ix86_value_regno): Handle extra type argument.
9775         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9776
9777         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9778         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9779         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9780         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9781         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9782
9783 2005-07-14  Richard Guenther  <rguenther@suse.de>
9784
9785         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9786         * calls.c (expand_call): Pass fntype to hard_function_value.
9787         (emit_library_call_value_1): Likewise.
9788         * explow.c: Include target.h.
9789         (hard_function_value): Take extra argument, the fntype.
9790         Use new target hook for function_value.
9791         * expr.h (hard_function_value): Change prototype.
9792         * function.c (aggregate_value_p): Pass 0 as fntype to
9793         hard_function_value.
9794         (assign_parms): Use new target hook for function_value.
9795         Pass 0 as fntype to hard_function_value.
9796         (expand_function_end): Likewise.
9797         * reg-stack.c: Include target.h.
9798         (stack_result): Use new target hook for function_value.
9799         * target-def.h: New target hook function_value.
9800         * target.h: Likewise.
9801         * targhooks.c (default_function_value): New function.
9802         * targhooks.h (default_function_value): Declare.
9803
9804 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9805
9806         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9807
9808 2005-07-14  Jan Hubicka  <jh@suse.cz>
9809
9810         * tree-dfa.c (dump_variable): Use default_def function.
9811         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9812         * tree-ssa.c (verify_use): Likewise.
9813         * tree-ssanames.c (release_ssa_name): Likewise.
9814         * tree-tailcall.c (eliminate_tail_call): Likewise.
9815         (tree_optimize_tail_calls_1): Likewise.
9816         * tree-vrp.c (get_value_range): Likewise.
9817
9818 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9819
9820         * gcc.c (main): Compare language[0] with '*' when iterating over
9821         the infiles.
9822
9823 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9824
9825         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9826         "s390_emit_compare".  Add handling of CCZ1mode.
9827         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9828         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9829         checking.
9830         (s390_branch_condition_mask): Add CCZ1mode handling.
9831         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9832         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9833         Use CCZ1mode instead of CCZmode.
9834         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9835
9836 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9837
9838         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9839         pattern.
9840         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9841
9842 2005-07-13  Eric Christopher  <echristo@redhat.com>
9843
9844         * config/mips/mips.c (mips_canonicalize_comparison): New.
9845         (mips_emit_int_relational): Use.
9846
9847 2005-07-13  Eric Christopher  <echristo@redhat.com>
9848
9849         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9850         static extra parts.
9851         * config/s390/s390.md: Include tpf.md. Move tpf specific
9852         patterns...
9853         * config/s390/tpf.md: To here.
9854         * config/s390/s390.opt: Move tpf specific options...
9855         * config/s390/tpf.opt: to here. Add mmain option.
9856         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9857         * config/s390/tpf.h: Rewrite.
9858
9859 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9860
9861         * doc/tm.texi: Remove @xref{Cross-profiling}.
9862
9863 2005-07-13  Jeff Law  <law@redhat.com>
9864
9865         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9866         expressions, test their _DECL operands for pointer equality rather
9867         than using operand_equal_p.
9868
9869 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9870
9871         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9872         (TARGET_POSIX_IO): This.
9873         * config/darwin.h: Likewise.
9874         * config/freebsd.h: Likewise.
9875         * config/linux.h: Likewise.
9876         * config/lynx.h: Likewise.
9877         * config/netbsd.h: Likewise.
9878         * config/rs6000/linux64.h: Likewise.
9879         * config/rs6000/linux.h: Likewise.
9880         * config/s390/tpf.h: Likewise.
9881         * config/sh/embed-elf.h: Likewise.
9882         * config/sparc/linux64.h: Likewise.
9883         * config/sparc/linux.h: Likewise.
9884         * config/svr4.h: Likewise.
9885         * gcov-io.h: Likewise.
9886
9887         * doc/tm.texi: Updated.
9888
9889         * libgcov.c (create_file_directory): Defined only if
9890         TARGET_POSIX_IO is defined.
9891         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9892         is defined.
9893
9894 2005-07-13  Jan Hubicka  <jh@suse.cz>
9895
9896         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9897
9898 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9899
9900         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9901         structure as argument.
9902
9903 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9904
9905         PR tree-optimization/21921
9906         * tree-iterator.c (tsi_link_before): Support the case when
9907         tsi_end_p (tsi) == true.
9908
9909 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9910
9911         PR tree-optimization/22442
9912         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9913         correctly.
9914
9915 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9916
9917         PR rtl-optimization/20376
9918         * toplev.c (process_options): Enable -fweb and -frename-registers when
9919         unrolling.
9920         * doc/invoke.texi: Update the information about when -fweb and
9921         -frename-registers are enabled.
9922
9923 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9924
9925         PR tree-opt/21840
9926         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9927         if *rhs_p is not a SSA_NAME.
9928
9929 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9930
9931         Fix PR tree-optimization/22422
9932         * tree-ssa-structalias.c (struct variable_info): Add flag for
9933         special vars.
9934         (get_varinfo): Now a static function.
9935         (new_varinfo): init has_union and is_special_var to false.
9936         (solution_set_add): Check has_union.
9937         (do_da_constraint): Move temporary variable so it gets reset
9938         properly.
9939         Also check for special variable.
9940         (do_ds_constraint): Ditto.
9941         (do_sd_constraint): Ditto.
9942         (do_structure_copy): Check for special variable.
9943         (find_func_aliases): Ditto.
9944         (init_base_vars): Set special vars properly.
9945
9946 2005-07-13  Jan Hubicka  <jh@suse.cz>
9947
9948         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9949         do unit-at-a-time.
9950
9951         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9952         (get_expr_operands): Fix thinko wrt flags and subvars.
9953
9954         PR tree-optimize/22379
9955         * tree-inline.c (expand_call_inline): Do not output sorry in early
9956         inlining.
9957
9958 2005-07-12  Dale Johannesen  <dalej@apple.com>
9959
9960         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9961
9962 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9963
9964         PR bootstrap/21704
9965         * host-linux.h: Include limits.h.
9966
9967 2005-07-12  Dale Johannesen  <dalej@apple.com>
9968
9969         * expr.c (compress_float_constant):  Add cost check.
9970         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9971
9972 2005-07-12  Dale Johannesen  <dalej@apple.com>
9973
9974         * gcc.target/i386/compress-float-sse.c:  New.
9975         * gcc.target/i386/compress-float-sse-pic.c:  New.
9976         * gcc.target/i386/compress-float-387.c:  New.
9977         * gcc.target/i386/compress-float-387-pic.c:  New.
9978         * gcc.dg/compress-float-ppc.c:  New.
9979         * gcc.dg/compress-float-ppc-pic.c:  New.
9980
9981 2005-07-12  Eric Christopher  <echristo@redhat.com>
9982
9983         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9984         static extra parts.
9985         * config/s390/s390.md: Include tpf.md. Move tpf specific
9986         patterns...
9987         * config/s390/tpf.md: To here.
9988         * config/s390/s390.opt: Move tpf specific options...
9989         * config/s390/tpf.opt: to here. Add mmain option.
9990         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9991         * config/s390/tpf.h: Rewrite.
9992
9993 2005-07-12  Eric Christopher  <echristo@redhat.com>
9994
9995         * gcc.c (struct infile): Update comment for language.
9996         (main): Rewrite input file resetting code.
9997
9998 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9999
10000         PR tree-opt/22335
10001         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10002         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10003         (lookup_avail_expr): Use constant_boolean_node instead
10004         of boolean_false_node/boolean_true_node.
10005
10006 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10007
10008         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10009         and use it when printing num_edges.
10010
10011 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10012
10013         * doc/extend.texi (Blackfin Built-in Functions): New section.
10014         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10015         @opindex.
10016
10017 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10018
10019         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10020         s/cmpstrsi/cmpstrnsi
10021         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10022         'cmpstrnsi'.
10023         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10024         (init_optabs): Initialize cmpstrn_optab.
10025         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10026         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10027         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10028         * config/i386/i386.md: s/cmpstr/cmpstrn
10029         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10030         * doc/md.texi: Update documentation.
10031
10032 2005-07-11  Richard Henderson  <rth@redhat.com>
10033
10034         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10035         build_va_arg_indirect_ref.
10036         (alpha_gimplify_va_arg): Likewise.
10037         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10038         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10039         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10040         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10041         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10042         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10043         Likewise.
10044         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10045
10046 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10047
10048         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10049         * passes.c (init_optimization_passes): Add pass_empty_loop.
10050         * tree-pass.h (pass_empty_loop): Declare.
10051         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10052         try_remove_empty_loop, remove_empty_loops): New functions.
10053         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10054         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10055
10056 2005-07-12  Peter Barada  <peter@the-baradas.com>
10057
10058         PR middle-end/16719
10059         PR middle-end/18421
10060         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10061         in address registers.
10062         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10063         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10064         alternative of addsi3_5200.
10065
10066 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10067
10068         * config/mips/mips.md (ffs<mode>2): Remove.
10069
10070 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10071
10072         * doc/tree-ssa.texi (Cleanups): Improve description of
10073         TRY_FINALLY_EXPR.
10074         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10075
10076 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10077
10078         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10079         * tree.h (DECL_ARGUMENT_FLD): New macro.
10080
10081 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10082
10083         Fix PR tree-optimization/22404
10084
10085         * tree-ssa-structalias.c (create_variable_info_for): Use
10086         correct offset.
10087
10088 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10089
10090         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10091         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10092         for second comparison operand.
10093         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10094
10095         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10096         (define_insn_reservation "alu"): Likewise.
10097         (csync, ssync): Now of type sync.
10098         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10099         -mcsync-anomaly -mspecld-anomaly.
10100         * config/bfin/bfin.opt (mcsync): Remove.
10101         (mcsync-anomaly, mspecld-anomaly): Add.
10102         * config/bfin/bfin.c: Include "insn-codes.h".
10103         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10104         (TARGET_DEFAULT_TARGET_FLAGS): New.
10105         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10106
10107 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10108
10109         * basic-block.h: Give the BB flags enum a name, bb_flags.
10110         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10111         * cfgcleanup.c (enum bb_flags): Remove here.
10112         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10113         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10114         (update_forwarder_flag): Likewise.
10115         (thread_jump): Likewise.
10116         (try_forward_edges): Likewise.
10117         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10118         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10119         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10120
10121 2005-07-11  Richard Guenther  <rguenther@suse.de>
10122
10123         * config/i386/i386.opt: New target option -msseregparm.
10124         * config/i386/i386.c (override_options): Error out for
10125         -msseregparm but no SSE support.
10126         (ix86_function_sseregparm): Check for global sseregparm.
10127         * doc/invoke.texi: Document -msseregparm.
10128
10129 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10130
10131         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10132         (m32rle-*-linux*): Ditto.
10133
10134 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10135
10136         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10137         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10138         bytes.
10139
10140 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10141
10142         PR middle-end/22239
10143         PR target/20126
10144         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10145         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10146
10147 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10148
10149         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10150         (varmap): Heapify varmap.
10151         (constraints): Heapify constraints.
10152         (struct constraint_graph): Heapify succs and preds.
10153         (constraint_vec_find): Update for heapification.
10154         (constraint_set_union): Ditto.
10155         (insert_into_complex): Ditto.
10156         (constraint_edge_vec_find): Ditto.
10157         (erase_graph_self_edge): Ditto.
10158         (add_graph_edge): Ditto.
10159         (get_graph_weights): Ditto.
10160         (merge_graph_nodes): Ditto.
10161         (build_constraint_graph): Ditto.
10162         (topo_visit): Ditto.
10163         (solve_graph): Ditto.
10164         (create_variable_info_for): Ditto.
10165         (init_base_vars): Ditto.
10166         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10167         (condese_varmap_nodes): Free complex vector.
10168         (clear_edges_for_node): Clear succs and preds vector.
10169
10170 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10171
10172         * tree-ssa-structalias.c (update_alias_info): Change counting of
10173         references to not include vdefs.
10174
10175 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10176
10177         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10178         (up_insert): Ditto.
10179
10180 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10181
10182         * pa.c (pa_commutative_p): Make PLUS commutative when
10183         TARGET_NO_SPACE_REGS is true.
10184
10185 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10186
10187         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10188         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10189         * tree-dfa.c (dump_subvars_for): New.
10190         (debug_subvars_for): New.
10191         (dump_variable): Show subvariables if VAR has them.
10192         * tree-flow-inline.h (get_subvar_at): New.
10193         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10194         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10195         Update all users.
10196         (struct subvar): Change fields offset and size to unsigned
10197         HOST_WIDE_INT.
10198         (dump_subvars_for): Declare.
10199         (debug_subvars_for): Declare.
10200         (get_subvar_at): Declare.
10201         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10202         to unsigned HOST_WIDE_INT *.
10203         (overlap_subvar): Likewise.
10204         * tree-gimple.c (is_gimple_reg): Always return false for
10205         SFTs and memory tags.
10206         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10207         Update all callers.
10208         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10209         (compute_may_aliases): Call compute_points_to_sets.
10210         (collect_points_to_info_for): Remove.
10211         (compute_points_to_and_addr_escape): Remove.
10212         (delete_alias_info): Call delete_points_to_sets.
10213         (compute_flow_sensitive_aliasing): If the call to
10214         find_what_p_points_to returns false, call set_pt_anything.
10215         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10216         (set_pt_anything): Clear pi->pt_vars.
10217         (set_pt_malloc): Remove.
10218         (merge_pointed_to_info): Remove.
10219         (add_pointed_to_expr): Remove.
10220         (add_pointed_to_var): Remove.
10221         (collect_points_to_info_r): Remove.
10222         (is_escape_site): Make extern.
10223         (create_sft): New.
10224         (create_overlap_variables_for): Call it.
10225         * tree-ssa-copy.c (merge_alias_info): Never merge
10226         flow-sensitive alias information.
10227         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10228         offset and size to be unsigned HOST_WIDE_INT.
10229         (add_to_addressable_set): Rename from note_addressable.
10230         Set TREE_ADDRESSABLE as the variables are added to the set.
10231         Update all users.
10232         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10233         operands into VUSEs when adding V_MAY_DEFs for members in an
10234         alias set.
10235         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10236         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10237         (struct variable_info): Add bitfield is_heap_var.
10238         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10239         (new_var_info): Initialize is_heap_var.
10240         (get_constraint_for): Add HEAP variables to the symbol table.
10241         Mark them with is_heap_var.
10242         (update_alias_info): New.  Taken mostly from the old
10243         compute_points_to_and_addr_escape.
10244         (handle_ptr_arith): New.
10245         (find_func_aliases): Call update_alias_info.
10246         Call handle_ptr_info for tcc_binary expressions.
10247         Call mark_stmt_modified.
10248         (create_variable_info_for): If DECL has subvars, do not create
10249         variables for its subvars.  Always add all the fields.
10250         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10251         SFTs, then add all the SFTs of the structure.
10252         If VI->DECL is an aggregate with subvariables, add the SFT at
10253         VI->OFFSET.
10254         (find_what_p_points_to): If VI is an artificial variable,
10255         translate to bitfields in SSA_NAME_PTR_INFO.
10256         If the solution is empty, set pi->pt_vars to NULL
10257         (init_base_vars): Create ANYOFFSET.
10258         (compute_points_to_sets): Rename from create_alias_vars.
10259         Make extern.
10260         (pass_build_pta): Remove.
10261         (delete_points_to_sets): Rename from delete_alias_vars.
10262         (pass_del_pta): Remove.
10263         * tree-ssa-structalias.h (struct alias_info): Move from
10264         tree-ssa-alias.h.
10265         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10266         NUM_REFERENCES_SET): Likewise.
10267         (compute_points_to_sets, delete_points_to_sets): Declare.
10268
10269 2005-07-09  Richard Henderson  <rth@redhat.com>
10270
10271         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10272         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10273         alpha_split_lock_test_and_set_12): New functions.
10274         * config/alpha/alpha-protos.h: Update.
10275         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10276         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10277         * config/alpha/sync.md (I12MODE): New.
10278         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10279         (sync_<fetchop_name><I48MODE>): Likewise.
10280         (sync_nand<I48MODE>): Likewise.
10281         (sync_old_<fetchop_name><I48MODE>): Likewise.
10282         (sync_new_<fetchop_name><I48MODE>): Likewise.
10283         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10284         (sync_compare_and_swap<I48MODE>): Likewise.
10285         (sync_lock_test_and_set<I48MODE>): Likewise.
10286         (sync_compare_and_swap<I12MODE>): New.
10287         (sync_compare_and_swap<I12MODE>_1): New.
10288         (sync_lock_test_and_set<I12MODE>): New.
10289         (sync_lock_test_and_set<I12MODE>_1): New.
10290
10291 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10292
10293         PR 21356
10294         PR 22332
10295         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10296
10297 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10298
10299         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10300         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10301
10302 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10303
10304         PR target/21656
10305         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10306
10307 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10308
10309         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10310         memory_operand constraint.
10311         (store_conditional_<mode>): Same.
10312         (sync_compare_and_swap<mode>): Same.
10313         (sync_lock_test_and_set<mode>): Same.
10314
10315 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10316
10317         Rewrite PIC support to more closely model actual instructions.
10318         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10319         (cris_symbol): Remove prototypes for removed functions.
10320         (cris_pic_symbol_type_of, cris_valid_pic_const)
10321         (cris_expand_pic_call_address): Prototypes for new functions.
10322         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10323         variable.
10324         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10325         modifiers.
10326         <case ':'>: Add case for new punctuation character.
10327         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10328         emitting (extra) PIC modifier.
10329         <case UNSPEC>: Do not assert for PLT.
10330         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10331         (cris_expand_prologue, cris_expand_epilogue): Check
10332         for pic_offset_table_rtx usage instead of taking
10333         current_function_uses_pic_offset_table as the final word.
10334         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10335         Remove flag_pic difference.
10336         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10337         the moral equivalents of...
10338         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10339         functions.
10340         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10341         (cris_handle_option): Mark ARG as unused.
10342         (cris_expand_pic_call_address): New worker function for "call",
10343         "call_value".
10344         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10345         output PIC constructs here.
10346         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10347         as symbol-specific modifers, not whole or part of operands.
10348         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10349         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10350         constants and flag_pic.
10351         (CONSTANT_INDEX_P): Adjust for new functions.
10352         (enum cris_pic_symbol_type): New helper type.
10353         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10354         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10355         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10356         define_constants.
10357         ("movsi"): Emit actual instructions for GOT and relative access.
10358         ("*movsi_got_load"): New pattern to set up the register holding
10359         the GOT pointer.
10360         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10361         Adjust FIXME for 'S'.
10362         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10363         Use "movs" for -fpic cases.
10364         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10365         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10366         ("call", "call_value"): Just call cris_expand_pic_call_address for
10367         PIC addresses.
10368         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10369         Remove special pattern.
10370         ("*expanded_call_side", "*expanded_call_value_side"): New
10371         patterns.
10372         (gotplt-to-plt, gotplt-to-plt-side-call)
10373         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10374         peephole2:s.
10375         * config/cris/cris/predicates.md
10376         ("cris_general_operand_or_gotless_symbol"): Remove unused
10377         predicate.
10378         ("cris_general_operand_or_symbol"): Adjust for new functions.
10379
10380 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10381
10382         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10383
10384 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10385
10386         * Makefile.in (TREE_H): Add treestruct.def.
10387         (c-decl.o): Add pointer-set.h
10388         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10389         visibility on regular DECL's.
10390         (merge_decls): Fix the copying of decl nodes of various types for
10391         the new structures.  Don't update RTL, section name, weak status,
10392         etc, on DECL's without RTL.
10393         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10394         Don't check volatile on non-variable types.
10395         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10396         to check whether we have seen arguments.
10397         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10398         flag is checked before field (flag is common, field is not).
10399         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10400         TS_DECL_COMMON could have an origin.
10401         (add_location_or_const_value_attribute): Don't check section name
10402         on non-var/function decls.
10403         (dwarf2out_var_location): Reverse order of tests.
10404         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10405         with DECL_WRTL_CHECK.
10406         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10407         * fold-const.c (fold_binary): Don't check weakness on
10408         non-var/function decls.
10409         (tree_expr_nonzero_p): Ditto.
10410         (fold_checksum_tree): Use tree_decl_extra as sizeof
10411         buffer.
10412         * ggc-page.c (extra_order_size_table): Add sizes for
10413         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10414         tree_field_decl.
10415         * gimplify.c (gimplify_bind_expr): Only set
10416         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10417         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10418         without RTL.
10419         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10420         * langhooks.h (init_ts). New langhook.
10421         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10422         * print-tree.c (print_node): Update to only print fields that
10423         exist in the structures the passed decl has.
10424         * toplev.c (wrapup_global_declarations): Don't reset
10425         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10426         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10427         * tree-inline.c (remap_decl): Ditto.
10428         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10429         * tree-pretty-print.c (print_declaration): Don't print
10430         DECL_REGISTER on things that don't contain it.
10431         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10432         non-var/function decls.
10433         * tree.c (tree_contains_struct): New structure.
10434         (init_priority_for_decl): New hashtable.
10435         (tree_int_map): New structure.
10436         (tree_int_map_eq): New function.
10437         (tree_int_map_marked_p): Ditto.
10438         (tree_int_map_hash): Ditto.
10439         (tree_map): Move to tree.h.
10440         (tree_map_eq): Externalize.
10441         (tree_map_hash): Ditto.
10442         (tree_map_marked_p): Ditto.
10443         (init_ttree): Set up tree_contains_struct and call langhook.
10444         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10445         (tree_code_size): Update for new structures.
10446         (tree_node_structure): Update for new structures.
10447         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10448         without the field.
10449         (copy_node_stat):  Copy init priority.
10450         (build_decl_stat): Ditto for visibility.
10451         (ts_enum_names): New.
10452         (tree_contains_struct_check_failed): New function.
10453         (decl_init_priority_lookup): Ditto.
10454         (decl_init_priority_insert): Ditto.
10455         * treestruct.def: New file.
10456         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10457         (CONTAINS_STRUCT_CHECK): Ditto.
10458         (tree_contains_struct_check_failed): New prototype.
10459         (DECL_CHECK): Removed.
10460         (DECL_MINIMAL_CHECK): New.
10461         (DECL_COMMON_CHECK): Ditto.
10462         (DECL_WRTL_CHECK): Ditto.
10463         (DECL_NON_COMMON_CHECK): Ditto.
10464         (DECL_WITH_VIS_CHECK): Ditto.
10465         (VAR_OR_FUNCTION_DECL_P): Ditto
10466         (struct tree_decl_minimal): New structure.
10467         (struct tree_decl_common): Ditto.
10468         (struct tree_decl_with_rtl): Ditto.
10469         (struct tree_decl_with_vis): Ditto.
10470         (struct tree_decl_non_common): Ditto.
10471         (struct tree_field_decl): Ditto.
10472         (struct tree_parm_decl): Ditto.
10473         (struct tree_var_decl): Ditto.
10474         (struct tree_function_decl): Ditto.
10475         (struct tree_const_decl): Ditto.
10476         (struct tree_result_decl): Ditto.
10477         (union tree_node): Add new structures.
10478         * var-tracking.c (track_expr_p): Reverse order of tests.
10479
10480         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10481
10482 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10483
10484         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10485         * system.h: Poison FINALIZE_PIC.
10486         * doc/tm.texi (FINALIZE_PIC): Remove.
10487
10488 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10489
10490         PR tree-opt/22329
10491         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10492         to the correct type if we have a MODIFY_EXPR.
10493
10494 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10495
10496         PR tree-optimization/22360
10497         * tree.c (upper_bound_in_type): Fix calculations for casting
10498         to a non-wider signed type and casting a signed value to a
10499         wider unsigned type.
10500         (lower_bound_in_type): Fix calculations for casting to a
10501         non-wider signed type.
10502
10503         PR tree-optimization/20139
10504         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10505         release_defs.
10506         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10507         fold_cond_expr_cond.
10508         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10509         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10510
10511 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10512
10513         PR tree-opt/22356
10514         * tree-complex.c (expand_complex_libcall): Produce
10515         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10516
10517 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10518
10519         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10520         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10521         b" assert and inserted fastpath code for this case.
10522         (bitmap_ior): Removed "a != b" assert.
10523
10524 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10525
10526         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10527         (ENDFILE_SPEC): Likewise.
10528         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10529
10530         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10531         a large stack frame at epilogue.
10532
10533 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10534
10535         * final.c: Include sdbout.h when required.
10536
10537 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10538
10539         * config.gcc (*-*-darwin*): Only one target-specific header file
10540         for generic darwin.
10541         (powerpc-*-darwin*): Add version-specific header files.
10542         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10543         * config.in: Regenerate.
10544         * configure: Regenerate.
10545         * gcc.c: Include xregex.h.
10546         (version_compare_spec_function): New.
10547         (spec_function): Add version-compare.
10548         (replace_outfile_spec_function): Reformat comment.
10549         (compare_version_strings): New.
10550         * config/darwin-c.c (version_as_macro): New.
10551         (builtin_define): New.
10552         (darwin_cpp_builtins): New.
10553         * config/darwin-protos.h (darwin_cpp_builtins): New.
10554         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10555         (LIB_SPEC): Make unconditional, update comment.
10556         (TARGET_C99_FUNCTIONS): Define.
10557         * config/darwin.opt: Sort.
10558         (mmacosx-version-min=): New.
10559         * config/darwin7.h: Delete.
10560         * config/darwin8.h: Delete.
10561         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10562         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10563         (TARGET_C99_FUNCTIONS): Define.
10564         * config/rs6000/darwin7.h: New.
10565         * config/rs6000/darwin8.h: New.
10566         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10567         (-mmacosx-version-min): Document.
10568
10569 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10570
10571         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10572
10573 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10574
10575         PR middle-end/22239
10576         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10577
10578 2005-07-07  Khem Raj  <kraj@mvista.com>
10579
10580         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10581         in bytes, not words.
10582
10583 2005-07-07  Paul Brook  <paul@codesourcery.com>
10584
10585         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10586         DEFAULT_FUNCTION_ARG_PADDING to upward.
10587
10588 2005-07-07  Richard Henderson  <rth@redhat.com>
10589
10590         * function.c (locate_and_pad_parm): Record parameter alignment in
10591         stack_alignment_needed.
10592
10593 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10594
10595         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10596         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10597         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10598         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10599         (define_attr "type"): Add isync, sync, load_l, store_c.
10600         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10601         Create scratch volatile MEM.
10602         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10603         sync.
10604         (load_locked_<mode>): New.
10605         (store_conditional_<mode>): New.
10606         (sync_compare_and_swap<mode>): Replace with splitter.
10607         (sync_lock_test_and_set<mode>): Replace with splitter.
10608         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10609         and UNSPECV_ISYNC.
10610         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10611         is ics.  Attribute isync.
10612         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10613         lwsync.
10614         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10615         and UNSPECV_SYNC_OP.
10616         (emit_unlikely_jump): New.
10617         (emit_load_locked): New.
10618         (emit_store_conditional): New.
10619         (rs6000_split_compare_and_swap): New.
10620         (rs6000_split_lock_test_and_set): New.
10621         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10622         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10623         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10624         rs6000_split_lock_test_and_set): Declare.
10625         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10626         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10627         store_c, isync, sync.
10628
10629 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10630
10631         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10632         filenames to gtyp-gen.h.
10633         (s-typ-gen): Use it in place of for loops.
10634
10635 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10636
10637         * hooks.c (hook_bool_rtx_int_false): New function.
10638         * hooks.h (hook_bool_rtx_int_false): Declare.
10639         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10640         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10641         * target.h (struct gcc_target): Add commutative_p member.
10642         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10643         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10644         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10645         (pa_commutative_p): New function.
10646         * jump.c (target.h): Include.
10647         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10648         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10649
10650 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10651
10652         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10653         (s390_expand_setmem): New.
10654         * config/s390/s390.c: Likewise.
10655         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10656         Adapt comments.
10657         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10658         general_operand.  Call new function "s390_expand_setmem".
10659         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10660         ("setmem_long", "*setmem_long"): ... this.
10661
10662 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10663
10664         * config/s390/s390.c: (optimization_options): Enable
10665         TARGET_MVCLE at -Os.
10666         * doc/invoke.texi: Document changes in default behaviour.
10667         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10668
10669 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10670
10671         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10672         defined by back-end.
10673
10674 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10675
10676         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10677         all sets in the pattern.
10678         * config/rs6000/rs6000.md (stack_protect_testsi,
10679         stack_protect_testdi): Likewise.
10680
10681 2005-07-06  Jeff Law  <law@redhat.com>
10682
10683         * tree-vrp.c (simplify_using_ranges): Kill.
10684         (vrp_finalize): Remove call to simplify_using_ranges.
10685         (simplify_stmt_using_ranges): New function extracted from
10686         simplify_using_ranges.
10687         (simplify_div_or_mod_using_ranges): Likewise.
10688         (simplify_abs_using_ranges): Likewise.
10689         (simplify_cond_using_ranges): New function.
10690         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10691         * tree-ssa-propagate.c (substitute_and_fold): Call
10692         simplify_stmt_using_ranges if we have range information.
10693
10694 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10695
10696         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10697         ia64_flag_schedule_isns2.
10698
10699         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10700         reading/writing general registers.
10701         (ia64_function_arg): Revert 2005-06-18 change.
10702
10703 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10704
10705         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10706         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10707
10708 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10709
10710         * function.c (expand_function_end): Revert part of 2005-06-27
10711         patch.  Do sjlj_emit_function_exit_after after return_label.
10712
10713 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10714
10715         * doc/install.texi (--disable-libssp): New.
10716
10717 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10718
10719         * doc/invoke.texi: Update -fforce-mem documentation.
10720         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10721         code for -fforce-mem.
10722         * expmed.c: (store_bit_field,store_fixed_bit_field,
10723         extract_bit_field): Ditto.
10724         * expr.c: (convert_move): Ditto.
10725         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10726         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10727         emit_conditional_add,expand_float,expand_fix): Ditto.
10728         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10729         (common_handle_option): Issue warning when -fforce-mem specified.
10730
10731 2005-07-06  Paul Brook  <paul@codesourcery.com>
10732
10733         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10734         argument is empty.
10735         * configure: Regenerate.
10736
10737 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10738
10739         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10740
10741 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10742
10743         Fix PR tree-optimization/22319
10744         Fix PR tree-optimization/22140
10745         Fix PR tree-optimization/22310
10746
10747         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10748         variable sized types.
10749         Use correct type for intermediate structure on *a = *b structure
10750         copies.
10751
10752 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10753
10754         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10755         Remove.
10756         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10757         (machine_function): Move typedef to...
10758         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10759         varargs_save_offset field.
10760         (rs6000_stack_t): Remove varargs_size field.
10761         (setup_incoming_varargs): Allocate varargs save area using
10762         assign_stack_local, try to make it as small as possible.
10763         Save offset from virtual_stack_vars_rtx to the save area
10764         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10765         instead of magic 8 when fp word byte size is used.
10766         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10767         instead of -RS6000_VARARGS_SIZE.
10768         (rs6000_stack_info, debug_stack_info,
10769         rs6000_initial_elimination_offset): Remove all traces of
10770         varargs_size.
10771         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10772         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10773         RS6000_VARARGS_AREA.
10774
10775 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10776
10777         PR tree-optimization/21963
10778         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10779         constant_multiple_of in the same way get_computation_cost_at does.
10780
10781 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10782
10783         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10784         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10785         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10786         and return its previous value.
10787         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10788         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10789         constants.
10790         (stack_protect_set, stack_protect_test): New expanders.
10791         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10792         stack_protect_testdi): New insns.
10793         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10794         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10795
10796 2005-07-06  Jeff Law  <law@redhat.com>
10797
10798         * tree-ssa-dce.c (cfg_altered): New global.
10799         (tree_dce_init): Initialize cfg_altered.
10800         (remove_dead_stmt): If we remove an edge in the CFG, then set
10801         CFG_ALTERED.
10802         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10803         the dominators.
10804
10805 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10806
10807         * Makefile.in (stamp-collect-ld): Use
10808         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10809         ./collect-ld if it already exists.
10810         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10811         Don't remove ./nm if it already exists.
10812
10813 2005-07-05  Devang Patel  <dpatel@apple.com>
10814
10815         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10816         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10817         * tree-vectorizer.c (vect_loop_location): New.
10818         (vect_print_dump_info): Use vect_loop_location.
10819         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10820         (vectorize_loops): Set vect_loop_location.
10821         * tree-vect-analyze.c (vect_analyze_offset_expr,
10822         vect_determin_vectorization_factor, vect_analyze_operations,
10823         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10824         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10825         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10826         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10827         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10828         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10829         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10830         vect_analyze_loop): Adjust vect_print_dump_info API.
10831         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10832         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10833         vect_finish_stmt_generation, vectorizable_assignment,
10834         vectorizable_operation, vectorizable_store, vectorizable_load,
10835         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10836         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10837         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10838         vect_transform_loop): Same.
10839         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10840         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10841         Same.
10842
10843 2005-07-05  Randolph Chung  <tausq@debian.org>
10844
10845         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10846         * configure: Regenerate.
10847         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10848         (pa_tls_referenced_p): Declare.
10849         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10850         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10851         (legitimize_tls_address): New.
10852         (hppa_legitimize_address): Handle TLS addresses.
10853         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10854         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10855         (emit_move_sequence): Handle TLS addresses.
10856         (pa_encode_section_info): Call default handler to handle common
10857         sections.
10858         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10859         (CONSTANT_ADDRESS_P): Reject TLS operands.
10860         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10861         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10862         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10863         (UNSPEC_TLSLE): Define new constants.
10864         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10865         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10866         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10867         (tie_symbolic_operand, tle_symbolic_operand): New
10868
10869 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10870
10871         * aclocal.m4: Update macros for autoconf 2.59 style.
10872         * configure.ac: Likewise.
10873
10874 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10875
10876         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10877         (function_arg): Pass small aggregates in general registers on 32-bit
10878         targets.
10879         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10880
10881 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10882
10883         * Makefile.in (final.o): Fix dependencies.
10884
10885 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10886
10887         PR c/22013
10888         PR c/22098
10889         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10890         * langhooks.c (lhd_expr_to_decl): New.
10891         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10892         New.
10893         (LANG_HOOKS_INITIALIZER): Update.
10894         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10895         expr_to_decl langhook.
10896         * c-tree.h (c_expr_to_decl): Declare.
10897         * c-typeck.c (c_expr_to_decl): New.
10898         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10899         specially.
10900         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10901
10902 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10903
10904         PR c/22308
10905         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10906         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10907
10908 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10909
10910         * Makefile.in: Adjust dependencies.
10911         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10912         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10913         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10914         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10915         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10916         rest_of_compilation.
10917
10918         * bb-reorder.c (gate_duplicate_computed_gotos,
10919         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10920         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10921         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10922         pass_partition_blocks): New.
10923         * bt-load.c (gate_handle_branch_target_load_optimize,
10924         rest_of_handle_branch_target_load_optimize,
10925         pass_branch_target_load_optimize): New.
10926         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10927         pass_jump2): New.
10928         * cfglayout.c (pass_insn_locators_initialize): New.
10929         * cfgrtl.c (pass_free_cfg): New.
10930         * combine.c (gate_handle_combine, rest_of_handle_combine,
10931         pass_combine): New.
10932         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10933         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10934         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10935         * except.c (pass_set_nothrow_function_flags,
10936         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10937         pass_rtl_eh): New.
10938         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10939         rest_of_handle_shorten_branches, pass_shorten_branches,
10940         rest_of_clean_state, pass_clean_state): New.
10941         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10942         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10943         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10944         pass_flow2): New.
10945         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10946         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10947         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10948         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10949         pass_gcse): New.
10950         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10951         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10952         pass_rtl_ifcvt, gate_handle_if_after_combine,
10953         rest_of_handle_if_after_combine, pass_if_after_combine,
10954         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10955         pass_if_after_reload): New.
10956         * integrate.c (pass_initial_value_sets): New.
10957         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10958         pass_purge_lineno_notes): New.
10959         * mode-switching.c (rest_of_handle_mode_switching,
10960         pass_mode_switching): New.
10961         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10962         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10963         pass_loop2): New.
10964         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10965         pass_loop_optimize): New.
10966         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10967         pass_sms): New.
10968         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10969         pass_gcse2): New.
10970         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10971         pass_postreload_cse): New.
10972         * profile.c (gate_handle_profiling, pass_profiling,
10973         rest_of_handle_branch_prob, pass_branch_prob): New.
10974         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10975         pass_split_before_regstack, gate_handle_split_before_regstack,
10976         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10977         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10978         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10979         pass_stack_regs): New.
10980         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10981         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10982         pass_stack_adjustments): New.
10983         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10984         pass_regrename): New.
10985         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10986         pass_delay_slots, gate_handle_machine_reorg,
10987         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10988         * rtl.h (extern void purge_line_number_notes): New.
10989         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10990         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10991         pass_sched2): New.
10992         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10993         pass_tracer): New.
10994         * value-prof.c (gate_handle_value_profile_transformations,
10995         rest_of_handle_value_profile_transformations,
10996         pass_value_profile_transformations): New.
10997         * var-tracking.c (gate_handle_var_tracking,
10998         pass_variable_tracking): New.
10999         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11000
11001         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11002         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11003         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11004         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11005         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11006         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11007         rest_of_handle_gcse2, rest_of_handle_regmove,
11008         rest_of_handle_tracer, rest_of_handle_if_conversion,
11009         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11010         rest_of_handle_web, rest_of_handle_branch_prob,
11011         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11012         rest_of_handle_jump_bypass, rest_of_handle_combine,
11013         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11014         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11015         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11016         rest_of_handle_mode_switching, rest_of_handle_jump,
11017         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11018         rest_of_handle_flow2, rest_of_handle_jump2,
11019         rest_of_handle_peephole2, rest_of_handle_postreload,
11020         rest_of_handle_shorten_branches, rest_of_clean_state,
11021         rest_of_compilation): Remove.
11022
11023         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11024         * passes.c (dump_flags, in_gimple_form, all_passes,
11025         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11026         register_dump_files, next_pass_1, last_verified, execute_todo,
11027         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11028         from tree-optimize.c.
11029         (init_optimization_passes): Moved from tree-optimize.c,
11030         adding the RTL optimizations.
11031         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11032         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11033         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11034         register_dump_files, next_pass_1, last_verified, execute_todo,
11035         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11036         init_tree_optimization_passes, ipa_passes): Delete.
11037         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11038         the RTL dumps.
11039         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11040         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11041         from tree.h.
11042         (ipa_passes): Remove.
11043         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11044         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11045         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11046         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11047         (dump_info_p, dump_flag): Moved to tree-dump.h.
11048
11049         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11050         cgraph.c, opts.c.
11051         * passes.c (finish_optimization_passes): Use dump_begin
11052         and dump_end, TDI_end.
11053         (gate_rest_of_compilation): New.
11054         (pass_rest_of_compilation): Use it.
11055         (gate_postreload, pass_postreload): New.
11056         * toplev.c (general_init): Rename init_tree_optimization_passes.
11057         * toplev.h (init_tree_optimization_passes): Rename to
11058         init_optimizations_passes.
11059         * tree-dump.c (dump_flag): Make static.
11060         (dump_files): Remove RTL dumps.
11061         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11062         pass_cleanup_cfg, pass_free_cfg_annotations,
11063         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11064         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11065         * tree-pretty-print.c: Include tree-pass.h.
11066         * cgraph.c: Include tree-dump.h.
11067
11068 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11069
11070         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11071         Only fall back to saying it points to readonly memory if
11072         we can't do better.
11073
11074 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11075
11076         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11077         * config/m32r/m32r.c (m32r_compute_frame_size,
11078         m32r_expand_prologue): Take current_function_profile into
11079         account whenever we reference
11080         current_function_uses_pic_offset_table.
11081         (m32r_finalize_pic): Remove.
11082         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11083
11084 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11085
11086         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11087         instead of $<.  Don't remove ./as if it already exists.
11088
11089 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11090
11091         PR target/21723
11092         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11093         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11094         for complex modes when generating code for PA 1.0.
11095         (VALID_FP_MODE_P): New macro.
11096         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11097         sets for all general and floating point modes.  Align wide floating
11098         point modes to even register boundaries to comply with architectural
11099         requirements.
11100         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11101         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11102         (VALID_FP_MODE_P): New macro.
11103         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11104         sets for all general and floating point modes.  Align wide floating
11105         point modes to even register boundaries to comply with architectural
11106         requirements.
11107
11108 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11109
11110         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11111         to 0.
11112
11113 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11114
11115         * tree-ssa-structalias.c: Don't include expr.h.
11116
11117 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11118
11119         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11120         comments.
11121
11122 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11123
11124         Fix PR tree-optimization/22279
11125
11126         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11127         correct operator.
11128
11129 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11130
11131         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11132
11133 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11134
11135         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11136         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11137         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11138         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11139         config/stormy16/stormy16.c, config/v850/v850.c,
11140         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11141         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11142         Avoid "." or "\n" at end of diagnostics and capital letters at
11143         start of diagnostics.
11144         * combine.c, cse.c: Don't translate dump file output.
11145         * toplev.c (print_version): Only translate output if going to
11146         stderr.
11147
11148 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11149
11150         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11151         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11152         typos.
11153
11154 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11155
11156         * pa.c (fix_range): Fix typo in comment.
11157
11158 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11159
11160         * tree-vrp.c (extract_range_from_assert): Replace
11161         fold (build (...)) with fold_build2.
11162
11163 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11164
11165         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11166         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11167         (format_types_orig, handle_format_attribute): Add support for
11168         format "gcc_gfc".
11169
11170 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11171
11172         * varasm.c (assemble_variable): Fix format specifier thinko.
11173
11174 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11175
11176         PR tree-optimization/22029 (and 22135)
11177         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11178         a phi node before calling dump_vops.
11179
11180 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11181
11182         * tree-dump.h (dump_string_field): Declare.
11183         * tree-dump.c: Use it instead of dump_string.
11184         (dump_string_field): Make non-static.
11185
11186 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11187
11188         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11189         up the minimal CFG stuff always when optimize > 0.  Call
11190         split_all_insns_noflow in PIC case if needed.
11191
11192 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11193             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11194
11195         PR c++/18279
11196         * c-decl.c (c_write_global_declarations): Dump contents of
11197         external scope to.
11198         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11199         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11200         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11201         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11202         is enabled.
11203
11204 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11205
11206         * c-common.h (GCC_DIAG_STYLE): Define.
11207         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11208         version for format checking to 4.1.
11209         * c-format.c: Include toplev.h after c-common.h.
11210         (enum format_type): Add gcc_tdiag_format_type.
11211         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11212         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11213         (format_types_orig): Add gcc_tdiag.
11214         (init_dynamic_diag_info): Support gcc_tdiag formats.
11215         (handle_format_attribute): Likewise.
11216         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11217         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11218         version for format checking to 4.1.
11219         (warning0, warning, error, pedwarn, sorry): Use
11220         ATTRIBUTE_GCC_DIAG.
11221         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11222         (finish_aliases_1): Do not use %qE.
11223         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11224         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11225         Correct format bugs.
11226         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11227         parameter to unsigned HOST_WIDE_INT.
11228         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11229
11230 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11231
11232         PR middle-end/21742
11233         * expr.c (write_complex_part): Use adjust_address for MEM.
11234         (read_complex_part): Same.
11235
11236 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11237
11238         Fix PR tree-optimization/22280
11239
11240         * tree-sra.c (generate_element_init): Remove useless loop.
11241
11242 2005-07-02  Richard Henderson  <rth@redhat.com>
11243
11244         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11245         TLS_MODEL_NONE.
11246         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11247
11248 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11249
11250         PR middle-end/14490
11251         * fold-const.c (fold_binary): Handle the return value of
11252         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11253         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11254
11255 2005-07-02  Jeff Law  <law@redhat.com>
11256
11257         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11258         a eliminate type conversion which feeds an equality comparison
11259         if the original type or either operand in the comparison is a
11260         function pointer.
11261
11262 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11263
11264         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11265         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11266         texts.
11267         * config/avr/avr.c: Do not use '`' as left quote.
11268         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11269         Remove "." from end of diagnostics.  Make diagnostics start with
11270         lowercase letter.
11271
11272 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11273             Joseph S. Myers  <joseph@codesourcery.com>
11274
11275         * toplev.c (default_tree_printer): Handle setting location with
11276         '+' flag.
11277         * c-objc.common.c (c_tree_printer): Likewise.
11278         * c-format.c (gcc_diag_flag_specs): Add '+'.
11279         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11280         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11281         formats.
11282         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11283         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11284         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11285         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11286         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11287         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11288         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11289         format arguments where %J is used without %D.
11290
11291 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11292
11293         * gcc.c (LINK_SSP_SPEC): Define.
11294         (link_ssp_spec): New variable.
11295         (LINK_COMMAND_SPEC): Add %(link_ssp).
11296         (static_specs): Add link_ssp_spec.
11297         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11298         * configure: Rebuilt.
11299         * config.in: Rebuilt.
11300
11301         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11302         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11303         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11304         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11305         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11306         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11307         -0x7008(2) instead of reading __stack_chk_guard variable.
11308         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11309         number.
11310         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11311         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11312         if TARGET_THREAD_SSP_OFFSET is defined.
11313         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11314         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11315
11316         Revert:
11317         2005-06-27  Richard Henderson  <rth@redhat.com>
11318         * libgcc-std.ver (GCC_4.1.0): New.
11319         * libgcc.h (__stack_chk_guard): Declare.
11320         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11321         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11322         * mklibgcc.in (lib2funcs): Add them.
11323
11324 2005-07-01  Richard Henderson  <rth@redhat.com>
11325
11326         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11327         void * before struct sigcontext *.
11328         (x86_fallback_frame_state): Likewise.
11329
11330 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11331
11332         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11333
11334 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11335
11336         PR tree-opt/22269
11337         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11338         we check for SSA_NAME for.
11339
11340 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11341
11342         Fix PR tree-optimization/22071
11343
11344         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11345         function.
11346         (get_constraint_for_component_ref): Use it.
11347
11348 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11349
11350         PR other/22264
11351         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11352         print out the last new line.
11353
11354 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11355
11356         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11357         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11358         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11359         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11360         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11361         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11362         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11363         (enum reg_class): New member CC0_REGS.
11364         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11365         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11366         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11367         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11368         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11369         Adjust for register now described.
11370
11371 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11372
11373         PR target/22262
11374         * config/i386/i386.md (stack_protect_test_si,
11375         stack_protect_test_di): Add earlyclobber for scratch 3.
11376         * config/rs6000/rs6000.md (stack_protect_testsi,
11377         stack_protect_testdi): Add earlyclobber for scratch 3,
11378         remove earlyclobber from scratch 4.
11379
11380 Older entries for 2005 can be found in ChangeLog-2005.