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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-10  Andreas Schwab  <schwab@suse.de>
2
3         * except.c (switch_to_exception_section): Only define if
4         TARGET_UNWIND_INFO is not defined.
5
6 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
7
8         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
9         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
10
11 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
12
13         * output.h (init_section, fini_section): Delete.
14         * varasm.c (init_section, fini_section): Delete.
15         (init_varasm_once): Don't initialize them.
16         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
17         there are no corresponding varasm.c variables.
18
19 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
20
21         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
22         of EH_FRAME_SECTION_NAME into...
23         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
24         if it is still null.
25         * except.c (default_exception_section): Delete, moving most
26         of the code to...
27         (switch_to_exception_section): ...this new function.  Set
28         exception_section if it is still null, then switch to it.
29         (output_function_exception_table): Use switch_to_exception_section.
30         * varasm.c (exception_section, eh_frame_section): Update comments.
31         (get_section): Hoist use of SECTION_NAMED.
32         (init_varasm_once): Don't set exception_section and eh_frame_section.
33         * output.h (default_exception_section): Delete.
34         (default_eh_frame_section): Delete.
35
36 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
37
38         * config/bfin/bfin.c: Include "cgraph.h".
39         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
40         Return the reg that holds the pointer to the GOT.
41         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
42         doing stack checking.
43
44 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
45
46         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
47         recompute_tree_invarant_for_addr_expr.
48         Update uses everywhere.
49
50 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
51
52         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
53         (MULTILIB_DIRNAMES): Define.
54
55 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
56
57         PR target/25311
58         * config/s390/s390.c (struct s390_address): New field literal_pool.
59         (s390_decompose_address): Compute literal_pool field.  Do not 
60         assume register %r13 is always (and solely) used as pool base.
61         (s390_extra_constraint_str): Use literal_pool field.
62
63 2005-12-09  Thiemo Seufer  <ths@networkno.de>
64
65         * config/mips/mips.c (override_options): Don't allow too small
66         integers in FP registers.
67
68 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
69
70         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
71         targetm.binds_local_p to check for local function calls.
72
73 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
74
75         PR debug/24908
76         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
77         call_used_regs can't be used to save reg in another reg.
78
79 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
80             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
81
82         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
83         abort.
84         * except.c (output_ttype): Likewise.
85         * tree-object-size.c (collect_object_sizes_for): Likewise.
86         (check_for_plus_in_loops_1): Likewise.
87         (check_for_plus_in_loops): Likewise.
88         (compute_object_sizes): Use gcc_unreachable instead of abort.
89
90 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
91
92         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
93         (loop_end, loop_init, doloop_end): New insns.
94         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
95         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
96         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
97         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
98         * config/ms1/ms1.c: #include basic-block.h
99         (struct machine_function): Add has_loops field.
100         (ms1_add_loop): New.
101         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
102         (struct loop_info, struct loop_work): New.
103         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
104         (ms1_reorg_loops): New loop optimization.
105         (ms1_machine_reorg): Call it.
106         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
107
108 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
109
110         PR tree-optimization/25248
111         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
112         evolution_of_loop from the failed attempt.  Remove handling
113         of MULT_EXPR.
114
115 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
116
117         * tree.h (DECL_EXTERNAL): Clarify documentation.
118
119 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
120             Jakub Jelinek  <jakub@redhat.com>
121
122         PR target/25268
123         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
124         argument.  Don't drop outer ANDs.
125         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
126         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
127         prototype.
128         * config/s390/predicates.md (setmem_operand): Remove.
129         (shift_count_operand): Rename to...
130         (shift_count_or_setmem_operand): ... this.  Adjust
131         s390_decompose_shift_count caller.
132         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
133         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
134         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
135         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
136         rotl<mode>3_and, setmem_long_and): New insns.
137         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
138         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
139         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
140         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
141         of shift_count_operand.
142         (setmem_long): Use shift_count_or_setmem_operand instead of
143         setmem_operand.
144
145 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
146             Andreas Tobler  <a.tobler@schweiz.ch>
147
148         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
149         tr expression.
150
151 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
152
153         * expr.c (force_operand): Use convert_to_mode for conversions.
154
155 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
156
157         * reload.h (reg_equiv_invariant): Declare.
158         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
159         register also when reg_equiv_invariant[R] is set.
160
161 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
162             Andreas Tobler  <a.tobler@schweiz.ch>
163
164         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
165
166 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
167
168         * tree-ssa-pre.c (bitmap_set_and): New function.
169         (bitmap_set_and_compl): New function.
170         (bitmap_set_empty_p): New function.
171         (insert_extra_phis): New function.
172         (compute_avail): Use insert_extra_phis.
173
174 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
175
176         * config/s390/s390.c (s390_expand_atomic): New function.
177         Adjust comment of helper functions.
178         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
179         * config/s390/s390.md ("ATOMIC"): New code macro.
180         ("atomic"): Corresponding new code attribute.
181         ("sync_lock_test_and_set[hq]i", 
182         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
183
184 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
185
186         * config/s390/s390.c (s390_expand_mask_and_shift, 
187         struct alignment_context, init_alignment_context, 
188         s390_expand_cs_hqi): New.
189         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
190         * config/s390/s390.md ("sync_compare_and_swaphi",
191         "sync_compare_and_swapqi"): New pattern.
192
193 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
194
195         Fix PR tree-optimization/25291
196         * tree-ssa-operands.c (add_call_clobber_ops): Remove
197         redundant and crashing check.
198
199 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
200
201         PR target/25212
202         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
203         tests further when !strict && reload_in_progress.
204         (print_operand): Check that both operands of indexed address are regs.
205         (print_operand_address): Likewise.
206         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
207         (INT_REG_OK_FOR_BASE_P): Correct.
208
209 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
210
211         Preparation for PR rtl-optimization/20070 / part1
212         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
213         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
214         outgoing_edges_match.
215         (outgoing_edges_match): Use condjump_equiv_p.
216         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
217         into..
218         * struct-equiv.c: New file.
219         (death_notes_match_p) New function, broken out of insns_match_p.
220         * Makefile.in (OBJS-common): Add struct-equiv.o.
221         (struct-equiv.o): New target.
222
223 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
224
225         * coretypes.h: Revert previous change.
226         * config/darwin.h: Revert previous reversion.
227         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
228
229 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
230
231         * coretypes.h (section): Provide dummy definition for target files.
232         * config/darwin.h: Revert previous change.
233
234 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
235
236         * doc/sourcebuild.texi (all.build, install-normal): Remove.
237         * configure.ac: Remove all.build and install-normal from target_list
238         * configure: Regenerate.
239         * Makefile.in (install): Don't depend on install-normal.
240
241 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
242
243         * Makefile.in: Document the use of stamps.
244
245 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
246
247         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
248         * Makefile.in: Add code to compute some dependencies on s-gtype
249         automatically.  Remove the declaration of those dependencies.
250
251 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
252
253         * gcc/reload.c (push_secondary_reload): Fix typo:
254         s/insn_constraint/scratch_constraint/.
255
256 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
257
258         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
259
260 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
261
262         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
263         (alpha_elf_select_rtx_section): Return the selected section rather
264         than emitting assembly code.
265         (alpha_write_linkage): Emit a ".link" directive directly and then
266         set in_section to NULL.
267         (vms_asm_out_constructor): Use switch_to_section.
268         (vms_asm_out_destructor): Likewise.
269         (unicosmk_output_common): Set in_section to NULL instead of calling
270         the dummy common_section function.
271         (unicosmk_text_section): Delete in favor of...
272         (unicosmk_output_text_section_asm_op): ...this new function.
273         (unicosmk_data_section): Delete in favor of...
274         (unicosmk_output_data_section_asm_op): ...this new function.
275         (unicosmk_init_sections): New function.
276         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
277         (unicosmk_output_ssib): Set in_section to NULL instead of calling
278         the dummy ssib_section function.
279         (unicosmk_section_buf): Delete.
280         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
281         (unicosmk_data_section): Delete.
282         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
283         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
284         (SECTION_FUNCTION_TEMPLATE): Delete.
285         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
286         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
287         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
288         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
289         (TARGET_ASM_INIT_SECTIONS): Define.
290         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
291         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
292         (link_section, literals_section): Delete.
293         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
294         set in_section to NULL.
295
296         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
297         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
298         (COMMON_SECTION): Delete.
299         (TARGET_ASM_INIT_SECTIONS): Define.
300         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
301         the dummy common_section function.
302         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
303         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
304         between readonly_data_section and text_section to check whether
305         read-only data is being put in the text section.
306         (arm_output_function_epilogue): Use switch_to_section.
307         (arm_elf_asm_constructor): Likewise.
308         (thumb_call_via_reg): Replace call to in_text_section with
309         a comparison between in_section and text_section.
310         (arm_file_end): Use switch_to_section.
311         (aof_text_section): Delete in favor of...
312         (aof_output_text_section_asm_op): ...this new function.
313         (aof_data_section): Delete in favor of...
314         (aof_output_data_section_asm_op): ...this new function.
315         (aof_asm_init_sections): New function.
316         (zero_init_section): Moved from config/arm/aof.h.
317         (aof_dump_imports, aof_file_start): Use switch_to_section.
318         * config/arm/arm.h (thumb_call_via_label): Update comment.
319         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
320         (common_section): Delete.
321         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
322         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
323         global switch_to_section function instead of the old port-local one.
324         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
325         (SWITCH_TO_SECTION_FUNCTION): Delete.
326         (drectve_section): Redefine as a macro.
327         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
328         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
329         switch_to_section.
330
331         * config/avr/avr.c (progmem_section): New variable.
332         (avr_output_progmem_section_asm_op): New function.
333         (avr_asm_init_sections): New function.
334         (avr_output_addr_vec_elt): Use switch_to_section.
335         * config/avr/avr.h (progmem_section): Declare.
336         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
337         (READONLY_DATA_SECTION): Delete.
338         (TARGET_ASM_INIT_SECTIONS): Define.
339         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
340         * config/avr/avr-protos.h (progmem_section): Delete.
341
342         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
343
344         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
345         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
346
347         * config/darwin-sections.def: New file.
348         * config/darwin.c: Define all sections in darwin-sections.def.
349         (output_objc_section_asm_op, darwin_init_sections): New functions.
350         (machopic_output_indirection): Use switch_to_section.
351         (machopic_select_section): Return the selected section rather than
352         emitting assembly code.  Replace the static function table with
353         inline conditional expressions.  Update the tests of last_text_section
354         and move them into the FUNCTION_DECL block.
355         (machopic_select_rtx_section): Return the selected section rather than
356         emitting assembly code.
357         (machopic_asm_out_constructor, machopic_asm_out_destructor)
358         (darwin_file_end): Use switch_to_section.
359         * config/darwin.h: Use darwin-sections.def to declare sections.
360         (INIT_SECTION_ASM_OP): Remove empty definition.
361         (HAS_INIT_SECTION): Define this instead.
362         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
363         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
364         (TARGET_ASM_EH_FRAME_SECTION): Delete.
365         (TARGET_ASM_INIT_SECTIONS): Define.
366         * config/darwin-protos.h (darwin_init_sections): Declare.
367         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
368         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
369         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
370         (constructor_section, destructor_section, mod_init_section): Delete.
371         (mod_term_section): Delete.
372         (darwin_exception_section, darwin_eh_frame_section): Delete.
373         (machopic_select_section): Return a section.
374         (machopic_select_rtx_section): Likewise.
375         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
376         (const_section, const_coal_section, const_data_section): Delete.
377         (const_data_coal_section, data_coal_section, cstring_section): Delete.
378         (literal4_section, literal8_section, constructor_section): Delete.
379         (mod_init_section, mod_term_section, destructor_section): Delete.
380         (objc_class_section, objc_meta_class_section, objc_category_section)
381         (objc_class_vars_section, objc_instance_vars_section): Delete.
382         (objc_cls_meth_section, objc_inst_meth_section): Delete.
383         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
384         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
385         (objc_symbols_section, objc_module_info_section): Delete.
386         (objc_image_info_section, objc_protocol_section): Delete.
387         (objc_string_object_section, objc_constant_string_object_section)
388         (objc_class_names_section, objc_meth_var_names_section): Delete.
389         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
390         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
391         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
392         (darwin_exception_section, darwin_eh_frame_section): Delete.
393         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
394
395         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
396         (frv_asm_out_destructor): Likewise.
397         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
398         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
399         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
400         get_named_section.
401         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
402         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
403         (data_section): Delete.
404
405         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
406         (DRECTVE_SECTION_FUNCTION): Delete.
407         (drectve_section): Redefine as a macro that sets in_section after
408         emitting the directive.
409         (SWITCH_TO_SECTION_FUNCTION): Delete.
410         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
411         in_text_section with comparison between in_section and text_section.
412         * config/i386/i386.c (x86_64_elf_select_section): Return the section
413         rather than emitting assembly code.  Use get_named_section.
414         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
415         get_named_section.
416         (machopic_output_stub): Use switch_to_section.
417         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
418         (nwld_named_section_asm_out_destructor): Use get_section and
419         switch_to_section.
420
421         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
422         rather than emitting assembly code.
423         (ia64_rwreloc_select_section): Likewise.
424         (ia64_rwreloc_select_rtx_section): Likewise.
425         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
426         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
427         switch_to_section.
428         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
429         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
430
431         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
432         section rather than emitting assembly code.
433         (iq2000_select_section): Likewise.
434         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
435         (sbss_section): Delete.
436
437         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
438         and get_named_section.
439         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
440
441         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
442         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
443         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
444         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
445         in_section to NULL.
446         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
447         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
448         global switch_to_section function instead of the old port-local one.
449         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
450         (SWITCH_SECTION_FUNCTION): Delete.
451         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
452         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
453         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
454         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
455         in_section to NULL.
456         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
457         global switch_to_section function instead of the old port-local one.
458         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
459
460         * config/mips/mips.c (mips_file_start): Update comment.
461         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
462         (mips_output_aligned_decl_common): Use switch_to_section.
463         (mips_select_rtx_section): Return the section rather than emitting
464         assembly code.  Use get_named_section.
465         (mips_function_rodata_section: Likewise get_section.
466         (build_mips16_function_stub): Use switch_to_section.
467         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
468         (SDATA_SECTION_ASM_OP): Delete.
469         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
470         (EXTRA_SECTION_FUNCTIONS): Delete.
471
472         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
473         (mmix_asm_output_aligned_local): Use switch_to_section.
474
475         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
476         (som_one_only_readonly_data_section): New variables.
477         (pa_output_function_epilogue): Set in_section to NULL instead of
478         calling forget_section.
479         (output_deferred_plabels): Use select_section.
480         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
481         of calling forget_section.
482         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
483         (pa_asm_output_aligned_local): Use select_section.
484         (som_text_section_asm_op): Delete in favor of...
485         (som_output_text_section_asm_op): ...this new function.
486         (pa_som_asm_init_sections): New function.
487         (pa_select_section): Return the section rather than emitting
488         assembly code.
489         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
490         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
491         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
492         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
493         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
494         (som_readonly_data_section, som_one_only_readonly_data_section)
495         (som_one_only_data_section, forget_section): Delete.
496         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
497         (TARGET_ASM_INIT_SECTIONS): Define.
498         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
499
500         * config/rs6000/rs6000.c (read_only_data_section): New variable.
501         (private_data_section, read_only_private_data_section): New variables.
502         (sdata2_section, toc_section): New variables.
503         (rs6000_file_start): Use switch_to_section.
504         (rs6000_assemble_integer): Use comparisons against in_section
505         instead of calling in_toc_section and in_text_section.  Use
506         unlikely_text_section_p.
507         (rs6000_elf_output_toc_section_asm_op): New function, derived
508         from the old rs6000/sysv4.h toc_section function.
509         (rs6000_elf_asm_init_sections): New function.
510         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
511         the section rather than emitting assembly code.
512         (machopic_output_stub): Use switch_to_section.
513         (toc_section): Delete dummy function.
514         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
515         switch_to_section and get_section.
516         (rs6000_xcoff_output_readonly_section_asm_op): New function.
517         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
518         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
519         the old rs6000/xcoff.h toc_section function.
520         (rs6000_xcoff_asm_init_sections): New function.
521         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
522         the section rather than emitting assembly code.
523         (rs6000_xcoff_file_start): Use switch_to_section.
524         (rs6000_xcoff_file_end): Likewise.
525         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
526         (sdata2_section, sbss_section, private_data_section): Delete.
527         (read_only_data_section, read_only_private_data_section): Delete.
528         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
529         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
530         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
531         (FINI_SECTION_FUNCTION): Delete.
532         (TARGET_ASM_INIT_SECTIONS): Define.
533         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
534         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
535         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
536         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
537         (READONLY_DATA_SECTION): Delete.
538         (TARGET_ASM_INIT_SECTIONS): Define.
539         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
540         to NULL rather than no_section.
541         (TARGET_ASM_EXCEPTION_SECTION): Delete.
542
543         * config/sh/sh.c (sh_file_start): Use switch_to_section.
544
545         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
546         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
547         from call to current_function_section.
548
549         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
550         (bss100_section): New variable.
551         (xstormy16_asm_output_aligned_common): Use switch_to_section.
552         (xstormy16_asm_init_sections): New function.
553         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
554         switch_to_section and get_section.
555         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
556         from calls to current_function_section.
557         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
558         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
559         (TARGET_ASM_INIT_SECTIONS): Define.
560         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
561
562         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
563         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
564         (FINI_SECTION_FUNCTION): Delete.
565
566         * config/v850/v850.c: Include gt-v850.h.
567         (rosdata_section, rozdata_section, tdata_section, zdata_section)
568         (zbss_section): New variables.
569         (v850_output_aligned_bss): Use switch_to_section.
570         (v850_asm_init_sections): New function.
571         (v850_select_section): Return the section rather than emitting
572         assembly code.
573         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
574         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
575         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
576         (TARGET_ASM_INIT_SECTIONS): Define.
577         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
578         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
579         (zbss_section): Delete.
580
581         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
582
583         * config/vx-common.h (vxworks_exception_section): Delete.
584         (TARGET_ASM_EXCEPTION_SECTION): Delete.
585
586         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
587         section rather than emitting assembly code.
588         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
589         switch_to_section.
590
591         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
592         * coretypes.h (section): New union and typedef.
593         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
594         from call to current_function_section.
595         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
596         (dbxout_symbol_location): Use switch_to_section.
597         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
598         most of the code into...
599         (default_eh_frame_section): ...here.  Return a section.
600         (collect2_eh_frame_section): Delete, moving most of the code into..
601         (switch_to_eh_frame_section): ...this new function.
602         (debug_info_section, debug_abbrev_section, debug_aranges_section)
603         (debug_macinfo_section, debug_line_section, debug_loc_section)
604         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
605         variables.
606         (output_call_frame_info): Call switch_to_eh_frame_section instead of
607         eh_frame_section.  Use switch_to_section and get_section.
608         (dwarf2out_begin_prologue): Use switch_to_section.
609         (AT_string_form): Check the flags in debug_str_section instead of
610         DEBUG_STR_SECTION_FLAGS.
611         (output_comp_unit): Use switch_to_section, get_section, and
612         debug_info_section.
613         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
614         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
615         from call to current_function_section.
616         (dwarf2out_var_location): Use unlikely_text_section_p.
617         (dwarf2out_source_line): Use switch_to_section.  Remove argument
618         from call to current_function_section.
619         (dwarf2out_start_source_file, dwarf2out_end_source_file)
620         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
621         debug_macinfo_section.
622         (dwarf2out_init): Initialize the new section variables.  Use them
623         instead of calls to named_section_flags.  Use switch_to_section.
624         (output_indirect_string): Use switch_to_section and debug_str_section.
625         (dwarf2out_finish): Use switch_to_section and the new section
626         variables.
627         * except.c (default_exception_section): Return the section instead
628         of emitting assembly code.
629         (output_function_exception_table): Use the global exception_section
630         variable instead of the target hook.  Use switch_to_section.  Remove
631         argument from call to current_function_section.
632         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
633         (shorten_branches): Use pointer comparisons to detect whether the
634         text section is the same as readonly_data_section.
635         (profile_function): Use switch_to_section.  Remove argument from
636         call to current_function_section.
637         (final_scan_insn): Likewise.  Update use of last_text_section.
638         * gengtype.c (open_base_files): Add an include of output.h.
639         * output.h (text_section, data_section, readonly_data_section)
640         (ctors_section, dtors_section, bss_section, init_section)
641         (fini_section, sdata_section): Turn into section pointers.
642         (in_text_section, in_unlikely_text_section, exports_section)
643         (drectve_section, named_section, mergeable_string_section)
644         (last_text_section_name): Delete.
645         (default_exception_section, default_eh_frame_section): Return sections.
646         (SECTION_DECLARED, SECTION_NAMED): New macros.
647         (SECTION_MACH_DEP): Bump value.
648         (section_common, named_section, unnamed_section): New structures.
649         (unnamed_section_callback): New typedef.
650         (section): New union.
651         (sbss_section, exception_section, eh_frame_section): New variables.
652         (in_section, last_text_section): Turn into section pointers.
653         (get_unnamed_section, get_section, get_named_section): New functions.
654         (mergeable_constant_section, function_section): Return a section.
655         (unlikely_text_section): Likewise.
656         (current_function_section): Likewise.  Remove the decl argument.
657         (unlikely_text_section_p, switch_to_section): New functions.
658         (output_section_asm_op): New function.
659         (set_named_section_flags, named_section_flags, named_section_real)
660         (named_section_first_declaration): Delete.
661         (default_select_section, default_elf_select_section): Return a section.
662         (default_elf_select_section_1, default_function_rodata_section)
663         (default_no_function_rodata_section, default_select_rtx_section)
664         (default_elf_select_rtx_section): Likewise.
665         * rtl.h (in_data_section): Delete.
666         * sdbout.c (sdbout_one_type): Use switch_to_section.
667         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
668         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
669         (TARGET_ASM_EH_FRAME_SECTION): Poison.
670         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
671         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
672         (TARGET_ASM_OUT): Update after above changes.
673         * target.h (init_sections): New hook.
674         (exception_section, eh_frame_section): Delete.
675         (select_section, select_rtx_section, function_rodata_section): Return
676         a section rather than emitting assembly code.
677         * varasm.c (text_section, data_section, readonly_data_section)
678         (ctors_section, dtors_section, bss_section, init_section)
679         (fini_section): Turn into section pointers.
680         (sdata_section, sbss_section, exception_section): New variables.
681         (eh_frame_section): New variable.
682         (in_section): Make global and turn into a section pointer.
683         (last_text_section): Turn into a section pointer.
684         (unnamed_sections): New variable.
685         (in_named_name, last_text_section_name): Delete.
686         (EXTRA_SECTION_FUNCTIONS): Delete.
687         (in_named_entry): Delete.
688         (section_htab): New variable, replacing...
689         (in_named_htab): ...this deleted variable.
690         (section_entry_eq, section_entry_hash): New functions, based on...
691         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
692         (get_unnamed_section, get_section): New functions.
693         (unlikely_text_section): Return a section instead of emitting
694         assembly code.
695         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
696         (get_named_section_flags, named_section_first_declaration): Delete.
697         (unlikely_text_section_p): New function.
698         (named_section_real, named_section): Delete.
699         (get_named_section): New function.
700         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
701         (function_section): Return a section rather than emitting
702         assembly code.
703         (current_function_section): Likewise.  Remove argument.  Use
704         last_text_section if nonnull, otherwise use function_section.
705         (default_function_rodata_section): Return a section rather than
706         emitting assembly code.  Use get_section.
707         (default_no_function_rodata_section): Return a section rather than
708         emitting assembly code.
709         (variable_section): Use switch_to_section and get_named_section.
710         (mergeable_string_section): Return a section rather than emitting
711         assembly code.  Use get_section.  Make static.  Don't take special
712         countermeasures for empty strings.
713         (mergeable_constant_section): Return a section rather than emitting
714         assembly code.  Use get_section.
715         (default_named_section_asm_out_destructor): Use switch_to_section
716         and get_section.
717         (default_dtor_section_asm_out_destructor): Use switch_to_section.
718         (default_named_section_asm_out_constructor): Use switch_to_section
719         and get_section.
720         (default_ctor_section_asm_out_constructor): Use switch_to_section.
721         (assemble_start_function): Likewise.  Set last_text_section to
722         NULL rather than no_section.  Change the type of save_section.
723         (assemble_zeros, assemble_variable): Use the section flags to detect
724         whether or not a section is text.
725         (assemble_static_space): Use switch_to_section.
726         (assemble_trampoline_template): Likewise.
727         (output_constant_def_contents): Use switch_to_section and
728         get_named_section.
729         (output_constant_pool_1): Use switch_to_section.  Use the section
730         flags to see whether sections contain mergeable data.
731         (init_varasm_once): Initialize section_htab instead of in_named_htab.
732         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
733         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
734         whether a section has already been declared.
735         (default_select_section, default_elf_select_section): Return a
736         section rather than emitting assembly code.
737         (default_elf_select_section_1): Likewise.  Use bss_section for
738         SECCAT_BSS if nonnull.  Use get_named_section.
739         (default_select_rtx_section): Return a section rather than
740         emitting assembly code.
741         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
742         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
743         (output_section_asm_op, switch_to_section): New functions.
744         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
745         get_named_section.
746
747         * doc/tm.texi: Expand the introduction to the sections documentation.
748         (TRAMPOLINE_SECTION): Document new interface.
749         (SDATA_SECTION_ASM_OP): Document new macro.
750         (READONLY_DATA_SECTION): Delete.
751         (SDATA_SECTION_ASM_OP): Document new macro.
752         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
753         (TARGET_ASM_INIT_SECTIONS): Document new hook.
754         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
755         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
756         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
757
758 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
759
760         * gcc.c (init_gcc_specs): Match braces inside conditionally
761         compiled strings.
762
763 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
764
765         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
766
767 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
768
769         PR C++/24138
770         * tree.c (integer_all_onesp): Always return true if all bits on.
771
772         * testsuite/g++.dg/init/array0.C: New.
773
774 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
775
776         * doc/md.texi: Adapt to implementation.
777
778 2005-12-06  Andreas Schwab  <schwab@suse.de>
779
780         * opts.c (decode_options): Fix typo in message.
781
782 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
783
784         PR other/13873
785         * longlong.h: Merge PPC tests from upstream.
786
787 2005-12-06  Richard Guenther  <rguenther@suse.de>
788
789         * fold-const.c (fold_convert): Do not build and fold
790         CONVERT_EXPR, but always use NOP_EXPR.
791
792 2005-12-06  Jan Beulich  <jbeulich@novell.com>
793
794         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
795         __builtin_ia32_paddq and __builtin_ia32_subq.
796         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
797         __builtin_ia32_pshufw.
798         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
799
800 2005-12-05  James E Wilson  <wilson@specifix.com>
801
802         PR target/24934
803         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
804         is set.
805
806 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
807         
808         * print-tree.c (print_node): Ditto.
809         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
810         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
811         before accessing DECL_ARTIFICIAL. 
812         Handle new tag tree codes.
813         * tree-flow-inline.h (clear_call_clobbered): Update for tag
814         changes.
815         (unmodifiable_var_p): Ditto.
816         * tree-flow.h (mem_tag_kind): Remove.
817         (struct var_ann_d): Remove mem_tag_kind member.
818         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
819         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
820         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
821         (group_aliases): Ditto.
822         (setup_pointers_and_addressables): Ditto.
823         (is_escape_site): Ditto.                                          
824         (may_alias_p): Ditto.
825         (create_tag_raw): New function.
826         (create_memory_tag): Use it.
827         (dump_alias_info): Update for tags.
828         (may_be_aliased): Ditto.
829         (add_type_alias): Ditto.
830         (new_type_alias): Ditto.
831         (create_sft): Ditto.
832         (create_structure_vars): Ditto.
833         * tree-ssa-ccp.c (get_default_value): Ditto.
834         * tree-ssa-operands.c (get_expr_operands): Ditto.
835         (add_stmt_operand): Ditto.
836         (add_call_clobber_ops): Remove duplicated condition.
837         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
838         tags.
839         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
840         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
841         * tree.c (init_ttree): Update structures for new tree codes.
842         (tree_code_size): Update sizes for new tree codes.
843         (make_node_stat): Don't try to set common things on minimal
844         structures.
845         (tree_node_structure): Update for tags.
846         (is_global_var): Ditto.
847         * tree.def: Add new tree codes.
848         * tree.h (MTAG_P): New macro.
849         (TREE_MEMORY_TAG_CHECK): Ditto.
850         (SSA_VAR_P): Update for tags.
851         (struct tree_memory_tag): New structure.
852         (MTAG_GLOBAL): New macro.
853         (union tree_node): Add memory tag member.
854         * treestruct.def (TS_MEMORY_TAG): New.
855         
856 2005-12-05  Dale Johannesen  <dalej@apple.com>
857
858         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
859         what was approved (PR 24323).
860
861 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
862
863         * doc/c-tree.texi (Function Bodies): Remove description of
864         RETURN_INIT.
865
866 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
867
868         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
869         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
870         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
871         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
872         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
873         __divxc3): Document.
874
875 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
876
877         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
878         previous behaviour.
879         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
880         hook_bool_void_false.
881         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
882         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
883
884         * config/darwin.c (machopic_select_section): It's not defined
885         as weak if it's only marked as weak_import.
886         
887         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
888         Prototype.
889
890         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
891         A hidden weak object does bind locally.  Strong linkonce data
892         counts like any other strong symbol for binding.
893         (weak_finish_1): Don't specially handle weakrefs, they no longer
894         arrive here.
895         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
896         * c-common.c (handle_alias_attribute): Allow static aliases
897         of variables.
898         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
899         * gthr-dce.h: Make weakrefs static.
900         * gthr-tpf.h: Likewise.
901         * gthr-solaris.h: Likewise.
902         * gthr-posix.h: Likewise.
903         * gthr-posix95.h: Likewise.
904         * config/darwin.c (darwin_encode_section_info): static weakref
905         variables are not necessarily defined in this translation unit.
906         * doc/extend.texi (Function Attributes): Mention that an alias
907         attribute creates a definition for the thing it's attached to.
908         Change the documentation for weakref to say that the thing
909         it's attached to must be static.
910
911         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
912         we don't go into an infinite loop.
913
914 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
915
916         * config/rs6000/predicates.md (logical_const_operand): Split
917         out of logical_operand.
918         (logical_operand): Use it.
919         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
920         logical_const_operand.
921
922 2005-12-05  Jan Beulich  <jbeulich@novell.com>
923
924         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
925         and IX86_BUILTIN_CMPNESS.
926         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
927         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
928         * config/i386/i386.md (movti_internal): Correct type attribute.
929         Simplify mode attribute.
930         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
931         Correct type attribute.
932         (absxf2): Correct operator.
933         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
934         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
935         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
936         mode attribute.
937         (sse2_vmsqrtv2df2): Correct mode attribute.
938
939 2005-12-05  Jan Beulich  <jbeulich@novell.com>
940
941         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
942         16 bits. Provide insn pattern for this case.
943
944 2005-12-05  Jan Beulich  <jbeulich@novell.com>
945
946         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
947         result.
948         (__popcountDI2): Likewise.
949
950 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
951
952         PR target/25166
953         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
954         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
955         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
956         functions.
957
958 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
959
960         * c-typeck.c (null_pointer_constant_p): New function.
961         (build_conditional_expr, build_c_cast, convert_for_assignment,
962         build_binary_op): Use it.
963
964 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
965
966         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
967         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
968         CONVERT_EXPR.
969         (check_function_arguments_recurse): Allow both NOP_EXPR and
970         CONVERT_EXPR but check conversions preserve precision.
971         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
972         but check conversions preserve precision.
973         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
974         default case.
975
976 2005-12-04  Roger Sayle  <roger@eyesopen.com>
977
978         PR c/7776
979         * common.opt (Wstring-literal-comparison): New command line option.
980         * c-opts.c (c_common_handle_option): Set it with -Wall.
981         * c-typeck.c (parser_build_binary_op): Issue warning if either
982         operand of a comparison operator is a string literal, except for
983         testing equality or inequality against NULL.
984
985         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
986
987 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
988
989         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
990         of building a NOP_EXPR.
991         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
992         NOP_EXPR.
993         * c-convert.c (convert): Use fold_convert instead of building
994         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
995         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
996         #if 0 code.
997         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
998         NOP_EXPR the same as CONVERT_EXPR.
999         * c-typeck.c (build_function_call): Use fold_convert instead of
1000         building a NOP_EXPR directly.
1001         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1002
1003 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1004
1005         PR rtl-optimization/25197
1006         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1007         have a reg.
1008
1009 2005-12-02  Stuart Hastings  <stuart@apple.com>
1010
1011         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1012         warning.
1013
1014 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1015
1016         * c-typeck.c (default_function_array_conversion,
1017         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1018         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1019         orig_op2.  Don't check them for NOP_EXPR.
1020         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1021         around integer zero.
1022
1023 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1024
1025         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1026         toc_save_offset, toc_size, lr_size.
1027         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1028         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1029         Adjust for removal of unused rs6000_stack_t fields.
1030         (debug_stack_info): Adjust.
1031         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1032         first, and don't bother checking for set/inc of lr on sibcalls.
1033         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1034
1035 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1036
1037         PR target/25199
1038         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1039         5 if operand 1 is not aligned.  Undo previous constraint change.
1040         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1041
1042 2005-12-02  Richard Guenther  <rguenther@suse.de>
1043
1044         * tree.h (build): Remove prototype.
1045         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1046         * tree.c (build): Remove.
1047         (build0_stat): Update comment.
1048
1049 2005-12-02  Richard Guenther  <rguenther@suse.de>
1050
1051         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1052         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1053         Likewise.
1054         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1055         maybe_fold_offset_to_component_ref): Likewise.
1056         * tree-ssa-dom.c (thread_across_edge,
1057         simplify_rhs_and_lookup_avail_expr,
1058         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1059         Likewise.
1060         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1061         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1062         lower_try_finally_switch): Likewise.
1063         * tree-if-conv.c (add_to_dst_predicate_list,
1064         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1065         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1066         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1067         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1068         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1069         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1070         gimplify_init_ctor_eval, gimplify_init_constructor,
1071         gimplify_variable_sized_compare, gimplify_boolean_expr,
1072         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1073         gimplify_expr, gimplify_body, gimplify_function_tree,
1074         force_gimple_operand): Likewise.
1075         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1076         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1077         mx_register_decls): Likewise.
1078         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1079         get_frame_field, finalize_nesting_tree_1): Likewise.
1080         * tree-inline.c (setup_one_parameter): Likewise.
1081         * tree-vect-transform.c (vectorizable_condition): Likewise.
1082         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1083         Likewise.
1084         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1085         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1086         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1087         * tree-chrec.h (build_polynomial_chrec): Likewise.
1088
1089 2005-12-02  Richard Guenther  <rguenther@suse.de>
1090
1091         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1092         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1093         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1094         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1095         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1096         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1097         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1098         Likewise.
1099         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1100         sh_adjust_unroll_max): Likewise.
1101         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1102         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1103         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1104         Likewise.
1105         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1106         Likewise.
1107         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1108         Likewise.
1109
1110 2005-12-02  Richard Guenther  <rguenther@suse.de>
1111
1112         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1113         simplify_cond_using_ranges): Use buildN instead of build.
1114         * tree-tailcall.c (adjust_accumulator_values,
1115         adjust_return_value): Likewise.
1116         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1117         generate_element_copy, generate_element_zero,
1118         generate_one_element_init): Likewise.
1119         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1120         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1121         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1122         perfect_nestify): Likewise.
1123
1124 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1125
1126         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1127
1128 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1129
1130         * ggc.h (GGC_RESIZEVEC): New.
1131
1132 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1133
1134         * gcc.c (execute): Improve readability.
1135
1136 2005-12-02  Richard Guenther  <rguenther@suse.de>
1137
1138         * tree-cfg.c (mark_used_vars): New function.
1139         (dump_function_to_file): Dump only used VAR_DECLs.
1140
1141 2005-12-02  Richard Guenther  <rguenther@suse.de>
1142
1143         * convert.c (convert_to_integer): Fix compare for nonpositive
1144         constant to use tree_int_cst_sgn <= 0.
1145
1146 2005-12-02  Richard Guenther  <rguenther@suse.de>
1147
1148         * convert.c (convert_to_integer): Use fold_convert instead
1149         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1150         instead of comparing against 0.  Use build_int_cst instead
1151         of converting integer_zero_node.
1152
1153 2005-12-02  Richard Guenther  <rguenther@suse.de>
1154
1155         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1156         and RROTATE_EXPR.
1157  
1158 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1159
1160         PR target/21017
1161         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1162         rotates.
1163
1164 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1165
1166         PR middle-end/25176
1167         * function.c (expand_function_end): Emit blockage for unwinder
1168         after return label.
1169
1170 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1171
1172         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1173         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1174         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1175         integer constant comparisons.
1176
1177 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1178             Janis Johnson  <janis187@us.ibm.com>
1179             David Edelsohn  <dje@watson.ibm.com>
1180             Ben Elliston  <bje@au.ibm.com>
1181
1182         * dfp.h, dfp.c: New files.
1183         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1184         (DECNUM_H): Likewise.
1185         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1186         (INCLUDES): Append $(DECNUMINC).
1187         (OBJS-common): Add dfp.o.
1188         (dfp.o): New rule.
1189         * real.h (EXP_BITS): Pinch one bit to ..
1190         (struct real_value): Add decimal field.
1191         (real_format): Change table size, update documentation.
1192         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1193         (real_from_string3): Declare.
1194         (decimal_single_format): Declare.
1195         (decimal_double_format): Declare.
1196         (decimal_quad_format): Declare.
1197         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1198         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1199         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1200         * real.c: Include dfp.h.
1201         (normalize): Early return for decimal floats.
1202         (do_add): Zero decimal field.
1203         (do_compare): Call do_decimal_compare for decimal floats.
1204         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1205         (real_arithmetic): Call decimal_real_arithmetic for decimal
1206         floating point operands.
1207         (real_identical): If a and b are of differing radix, return false.
1208         (real_to_integer): Call decimal_real_to_integer if the value is a
1209         decimal float.
1210         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1211         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1212         (real_to_hexadecimal): Place "N/A" in the return string for
1213         decimal float.
1214         (real_from_string3): New variant, given a mode.
1215         (real_maxval): Use decimal_real_maxval for decimal floats.
1216         (round_for_format): Use decimal_round_for_format for decimals.
1217         (real_convert): Use decimal_real_convert where appropriate.
1218         (significand_size): Handle base 10.
1219         (encode_decimal_single, decode_decimal_single,
1220         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1221         decode_decimal_quad): New functions.
1222         (decimal_single_format): New.
1223         (decimal_double_format): New.
1224         (decimal_quad_format): New.
1225         * machmode.def: Add SD, DD and TD decimal floating point modes.
1226         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1227         Include MODE_DECIMAL_FLOAT.
1228         (DECIMAL_FLOAT_MODE_P): New.
1229         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1230         * genmodes.c (struct mode_data): Add counter field.
1231         (struct mode_data): Update comment for format.
1232         (blank_mode): Initialise counter field.
1233         (new_mode): Increment counter field for each mode defined.
1234         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1235         using a format.
1236         (make_complex_modes): Handle modes containing `D'.
1237         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1238         (make_decimal_float_mode): New.
1239         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1240         (cmp_modes): Compare counter field if other characteristics
1241         similar.
1242         (emit_real_format_for_mode): Support formats for decimal floats.
1243         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1244         Document MODE_DECIMAL_FLOAT.
1245
1246 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1247
1248         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1249         Delete dead code.
1250
1251 2005-12-01  Richard Henderson  <rth@redhat.com>
1252
1253         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1254
1255 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1256
1257         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1258
1259         * config/pa/pa.c (pa_init_builtins): If we detect
1260         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1261         putc_unlocked.
1262
1263 2005-12-01  Richard Guenther  <rguenther@suse.de>
1264
1265         * fold-const.c (fold_binary): Use fold_build2, not
1266         fold (build (...)).
1267
1268 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1269
1270         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1271
1272         * vec.h (VEC_block_remove): New.
1273
1274 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1275
1276         PR c/13384
1277         * c-common.c (lvalue_error): Fix wording.
1278
1279 2005-12-01  Richard Guenther  <rguenther@suse.de>
1280
1281         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1282         thinko in last patch.
1283
1284 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1285
1286         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1287         than -flat_namespace.
1288
1289 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1290
1291         * mklibgcc.in: Parameterise the script to build soft float
1292         functions by iterating over each type, rather than cloning the
1293         code for each type.
1294
1295 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1296
1297         PR middle-end/25158
1298         * builtins.c (fold_builtin_fputs): Defer check for missing
1299         replacement functions.
1300
1301 2005-11-30  Kean Johnston  <jkj@sco.com>
1302
1303         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1304         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1305
1306 2005-11-30  Richard Guenther  <rguenther@suse.de>
1307
1308         PR tree-optimization/22501
1309         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1310         function split out from ...
1311         (forward_propagate_addr_expr): ... here.  Use it to propagate
1312         ADDR_EXPRs to all uses.
1313
1314 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1315
1316         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1317         * builtins.c (expand_builtin_mathfn): Use them.
1318         (expand_builtin_mathfn_2): Likewise.
1319         (expand_builtin_mathfn_3): Likewise.
1320         (expand_builtin_int_roundingfn): Likewise.
1321         (expand_builtin): Likewise.
1322         (integer_valued_real_p): Likewise.
1323         (fold_builtin_int_roundingfn): Likewise.
1324         (fold_builtin_bitop): Likewise.
1325         (fold_builtin_logarithm): Likewise.
1326         (fold_builtin_1): Likewise.
1327         * convert.c (convert_to_integer): Likewise.
1328         * fold-const.c (negate_mathfn_p): Likewise.
1329         (tree_expr_nonnegative_p): Likewise.
1330
1331 2005-11-30  Dale Johannesen  <dalej@apple.com>
1332             Andrew Pinski  <pinskia@physics.uc.edu>
1333
1334         * combine.c (find_split_point):  Sign extend bitmask
1335         when changing bitfield assignment to IOR of AND.
1336
1337 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1338
1339         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1340         clobber to scratch reg.
1341         (*decrement_and_branch_until_zero_no_clobber): Remove.
1342         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1343         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1344         * config/ms1/ms1.opt (mmul): Remove.
1345         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1346         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1347
1348 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1349             Bernd Schmidt  <bernd.schmidt@analog.com>
1350
1351         * pa/predicates.md (symbolic_operand): Add comment.
1352         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1353         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1354         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1355         (pa_secondary_reload_class): Delete.
1356         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1357         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1358         copy of symbolic operand.
1359         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1360
1361 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1362
1363         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1364         jump.
1365
1366 2005-11-30  Jeff Law  <law@redhat.com>
1367
1368         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1369         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1370
1371 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1372
1373         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1374         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1375         (ia64_expand_move): Adjust caller.
1376
1377         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1378         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1379         negate VAL.
1380
1381 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1382
1383         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1384         Always produce an output if we can remove NEGs or canonicalize
1385         (minus (minus ...)) expressions.  Provide a fast path for the
1386         two-operand case.
1387         (simplify_gen_binary): Do not call simplify_plus_minus.
1388         (simplify_binary_operation_1): Reassociate at the end of the
1389         function.
1390
1391 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1392
1393         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1394         moves and unpack to speed up.
1395
1396 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1397
1398         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1399         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1400         (gen_v9_scc): Update callers.
1401         * config/sparc/sparc.md: Likewise.
1402         * config/sparc/sparc-protos.h: Update extern declaration.
1403
1404         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1405
1406 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1407
1408         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1409         the if.
1410
1411 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1412
1413         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1414         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1415         (negate_expr): Here.
1416
1417 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1418
1419         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1420         Fix typo in comment.
1421
1422 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1423
1424         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1425         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1426
1427 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1428
1429         PR middle-end/20109
1430         PR middle-end/25120
1431         * builtins.c (init_target_chars): New.
1432         (expand_builtin_printf, expand_builtin_fprintf,
1433         expand_builtin_sprintf, fold_builtin_sprintf,
1434         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1435         fold_builtin_snprintf_chk, fold_builtin_printf,
1436         fold_builtin_fprintf): Check for matching format strings using
1437         the target charset.
1438
1439 2005-11-29  Paul Brook  <paul@codesourcery.com>
1440
1441         * config.gcc: Do not use fixproto on m68k-elf.
1442
1443 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1444
1445         * expmed.c (div_cost): Replace with...
1446         (sdiv_cost, udiv_cost): New.
1447         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1448         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1449         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1450         (expand_divmod): Replace use of div_cost with either sdiv_cost
1451         or udiv_cost depending upon the signedness of the operation.
1452
1453 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1454
1455         PR libfortran/24991
1456         * config/darwin.c (machopic_indirection_name,
1457         machopic_output_indirection): Follow transparent alias chain.
1458
1459 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1460
1461         * varasm.c (ultimate_transparent_alias_target): Add comment.
1462
1463 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1464
1465         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1466         SET_SRC instead of XEXP where appropriate.
1467
1468 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1469
1470         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1471         __builtin_expect.
1472
1473 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1474
1475         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1476         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1477         bit at a time.
1478
1479 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1480
1481         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1482         secondary_input_reload_class, made static.  Adapt to new
1483         infrastructure.
1484         (secondary_output_reload_class): Delete.
1485         (TARGET_SECONDARY_RELOAD): New macro.
1486         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1487         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1488
1489 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1490
1491         PR c++/21166
1492         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1493         when its natural alignment is > BITS_PER_UNIT.
1494         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1495         * c-common.c (handle_packed_attribute): Ignore packing on a field
1496         whose type is naturally char aligned.
1497
1498 2005-11-28  Richard Guenther  <rguenther@suse.de>
1499
1500         * c-common.c (strict_aliasing_warning): Handle all
1501         component-ref like accesses.
1502
1503 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1504             Uros Bizjak  <uros@kss-loka.si>
1505
1506         PR middle-end/20219
1507         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1508         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1509         when flag_unsafe_math_optimizations is set and
1510         we don't care about NaNs or Infinities.
1511
1512         Move x/expN(y) and x/pow(y,z) transformation into common
1513         flag_unsafe_math_optimizations section.
1514
1515 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1516
1517         * gcc.c (main): Change type of argv to "char **".
1518
1519 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1520
1521         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1522         small data sections.
1523         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1524         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1525         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1526         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1527         output locals to sbss if !rs6000_elf_in_small_data_p.
1528         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1529
1530 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1531
1532         PR target/24997
1533         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1534         generated by reload.
1535         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1536         indexed_or_indirect_address.
1537         (indexed_or_indirect_address): Don't test for base reg.  Call
1538         address_operand last.  Make it a special predicate.
1539
1540 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1541
1542         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1543
1544 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1545
1546         PR middle-end/24575
1547         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1548         is undefined.
1549         (negate_expr): Likewise.
1550
1551 2005-11-27  Andreas Schwab  <schwab@suse.de>
1552
1553         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1554         redundant parens.
1555
1556 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1557
1558         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1559         has EH predecessor edges.
1560
1561 2005-11-26  Eric Christopher  <echristo@apple.com>
1562
1563         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1564         register stalls by zero extending to the full register.
1565
1566 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1567
1568         * config/floatunsisf.c, config/floatunsidf.c,
1569         config/floatunsixf.c, config/floatunsitf.c: New files.
1570         * config/ia64/t-hpux: Add floatunsitf.c.
1571         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1572         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1573
1574 2005-11-26  Richard Henderson  <rth@redhat.com>
1575
1576         * c-lex.c (pragma_lex): Rename from c_lex.
1577         * c-pch.c: Update for pragma_lex rename.
1578         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1579         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1580         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1581         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1582         * doc/tm.texi: Likewise.
1583
1584 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1585
1586         PR middle-end/23669
1587         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1588         when overflow is undefined.
1589
1590 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1591
1592         * doc/md.texi (Insn Canonicalizations): Refer to the
1593         function commutative_operand_precedence for further rules.
1594
1595 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1596
1597         PR middle-end/21309
1598         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1599         is less than zero.  Limit mult_cost to a reasonable upper bound for
1600         the synthetic multiplication sequence.
1601
1602 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1603
1604         PR middle-end/25022
1605         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1606         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1607         Lookup the explicit replacement functions for any unlocked
1608         stdio builtin transformations.
1609
1610 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1611
1612         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1613         earlyclobber.
1614         * targhooks.c (default_secondary_reload): Don't require operand 2
1615         for an input reload to be earlyclobber.
1616
1617 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1618
1619         * fold-const.c (negate_mathfn_p): Fix comment and add support
1620         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1621         BUILT_IN_ATANH.
1622
1623 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1624
1625         PR middle-end/24998
1626         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1627         _Q_ulltoq for unsigned conversions from SImode and DImode to
1628         TFmode.
1629
1630 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1631
1632         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1633         (__floatundidf, __floatundisf): Likewise.
1634
1635 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1636
1637         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1638         (rs6000_override_options): Remove initialization of
1639         rs6000_sr_alias_set.
1640         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1641         (rs6000_emit_stack_tie): Same.
1642         (emit_frame_save): Same.
1643         (gen_frame_mem_offset): Same.
1644         (rs6000_emit_prologue): Same.
1645         (rs6000_emit_epilogue): Same.
1646
1647 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1648
1649         PR middle-end/24989
1650         * fold-const.c (fold_build): Convert bool_var != 1 and
1651         bool_var == 0 to !bool_var.
1652
1653 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1654
1655         PR middle-end/24990
1656         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1657         for C being INTEGER_CST.  Likewise for !=.
1658
1659 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1660
1661         PR middle-end/24998
1662         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1663         unsigned conversions from SImode to TFmode.
1664
1665 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1666
1667         * expr.c (expand_expr_real_1): Fix error in last change.
1668
1669 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1670
1671         * caller-save.c: (this_insn_sets): Move into:
1672         (save_call_clobbered_regs).
1673         (mark_set_regs): Get this_insn_sets from data.
1674
1675         (save_call_clobbered_regs): Take sets of the return value by
1676         sibcalls into account.
1677
1678 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1679         PR target/21623:
1680
1681         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1682         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1683         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1684         (memory_move_secondary_cost, init_reg_autoinc): Remove
1685         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1686         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1687         secondary_reload_class call.
1688         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1689         callers.
1690         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1691         (push_secondary_reload): Use secondary_reload target hook.
1692         (secondary_reload_class, scratch_reload_class): New functions.
1693         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1694         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1695         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1696         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1697         (secondary_reload_class, scratch_reload_class): Declare.
1698         * reload1.c: Include target.h.
1699         (reload_adjust_reg_for_temp): New function.
1700         (reload_adjust_reg_for_icode): Likewise.
1701         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1702         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1703         call.
1704         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1705         for inheritance.  Support case when both secondary & tertiary reloads
1706         are for intermediate registers.
1707         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1708         with secondary_reload_class call.  Support case when both secondary
1709         & tertiary reloads are for intermediate registers.
1710         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1711         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1712         * target.h (secondary_reload_info): New struct / typedef.
1713         (struct gcc_target): New member secondary_reload.
1714         * targhooks.c Include reload.h, optabs.h and recog.h.
1715         (default_secondary_reload): New function.
1716         * targhooks.h (default_secondary_reload): Declare.
1717         * doc/tm.texi: Document secondary_reload target hook.  Update
1718         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1719         * doc/md.texi: Likewise.
1720
1721         * sh-protos.h (sh_secondary_reload): Declare.
1722         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1723         (sh_secondary_reload): New function.
1724         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1725         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1726         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1727         (HAVE_SECONDARY_RELOADS): Define.
1728         * sh.md (reload_indf): Rename to:
1729         (reload_indf__frn).
1730         (reload_outdf): Rename to:
1731         (reload_outdf__RnFRm).
1732         (reload_insf): Rename to:
1733         (reload_insf__frn).
1734         (reload_insi): Rename to:
1735         (reload_insi__i_fpul).
1736
1737 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1738
1739         * configure.ac: Require at least texinfo 4.4.
1740         * configure: Regenerate.
1741
1742         * doc/install.texi (Tools/packages necessary for building GCC):
1743         Update required version of texinfo to at least 4.4.
1744         (Installing GCC: Building): Update required version of texinfo
1745         to at least 4.4.
1746         (Installing GCC: Final installation): Update required version
1747         of texi2dvi to at least 4.4.
1748         (Host/target specific installation notes for GCC): Update required
1749         version of texinfo to at least 4.4.
1750
1751 2005-11-24  Richard Guenther  <rguenther@suse.de>
1752         Dirk Mueller <dmueller@suse.de>
1753
1754         PR c++/14024
1755         * c-common.h (strict_aliasing_warning): Declare.
1756         * c-common.c (strict_aliasing_warning): New function,
1757         split out from ...
1758         * c-typeck.c (build_c_cast): ... here.
1759
1760 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1761
1762         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1763         to order operands.
1764         (swap_commutative_operands_with_target): New.
1765
1766 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1767
1768         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1769         also when doing PRE, rather than only for global CPROP.
1770
1771 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1772
1773         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1774         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1775         formatting.
1776         (expand_twoval_unop): Likewise.
1777         (widen_clz): Likewise.
1778         (expand_parity): Likewise.
1779         (expand_unop): Likewise.
1780         (emit_cmp_and_jmp_insn_1): Likewise.
1781         (prepare_float_lib_cmp): Likewise.
1782
1783 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1784
1785         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1786         Remove unused `class' variable.
1787
1788 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1789
1790         PR c++/21667
1791         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1792         C/C++ diagnostic function warn_array_subscript_with_type_char.
1793         * c-common.h (warn_array_subscript_with_type_char): Declare.
1794         * c-common.c (warn_array_subscript_with_type_char): Define.
1795
1796 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1797
1798         PR c/21668
1799         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1800         compiling at the intersection of C and C++.
1801
1802 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1803
1804         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1805         List @file in the option summary.  Include the libiberty
1806         documentation for @file.
1807         * gcc.c (main): Call expandargv.
1808         * Makefile.in (gcc-vers.texi): Define srcdir.
1809
1810 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1811
1812         * passes.c (init_optimization_passes): Document
1813         sequencing of passes.
1814
1815 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1816
1817         * config/m68k/predicates.md (pcrel_address, extend_operator,
1818         post_inc_operand, pre_dec_operand): Remove redundant
1819         conditionals.
1820         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1821         instead of abort.
1822         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1823
1824 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1825
1826         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1827
1828 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1829
1830         Preparatory work for PR target/21623:
1831         * alpha.c (secondary_reload_class): Rename to:
1832         (alpha_secondary_reload_class).
1833         * alpha.h, alpha-protos.h: Likewise.
1834         * mn10300.c (secondary_reload_class): Rename to:
1835         (mn10300_secondary_reload_class).
1836         * mn10300.h, mn10300-protos.h: Likewise.
1837         * pa.c (secondary_reload_class): Rename to:
1838         (pa_secondary_reload_class).
1839         * pa.h, pa-protos.h: Likewise.
1840         * rs6000.c (secondary_reload_class): Rename to:
1841         rs6000_secondary_reload_class.
1842         * rs6000.h, rs6000-protos.h: Likewise.
1843
1844 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1845
1846         PR middle-end/22561
1847         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1848
1849 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1850
1851         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1852         a mode_class.
1853         (prepare_cmp_insn): Likewise.
1854
1855 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1856
1857         PR target/23435
1858         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1859         if both operands[0] and operands[1] are memory.
1860
1861 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1862
1863         PR middle-end/23606
1864         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1865         COMPARISON_CLASS_P and an integral types create create a new
1866         expression with the new type and fold that.
1867
1868 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1869
1870         PR target/24988
1871         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1872         to SUBTARGET_OS_CPP_BUILTINS.
1873
1874 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1875
1876         * arm.c (emit_set_insn): New function.
1877         (arm_split_constant): Call it.
1878         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1879         (arm_legitimize_address): Likewise.  Use plus_constant.
1880         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1881         (thumb_expand_prologue): Likewise.
1882         (arm_gen_load_multiple): Use VOIDmode in SET.
1883         (arm_gen_store_multiple): Likewise.
1884         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1885         (emit_multi_reg_push): Likewise.
1886         (emit_sfm): Use plus_constant.
1887
1888 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1889
1890         PR target/24954
1891         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1892         typo last change.
1893
1894 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1895
1896         PR middle-end/24950
1897         * expmed.c (store_bit_field): Don't attempt to insv a field
1898         larger than the reg.
1899
1900 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1901
1902         PR target/24954
1903         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1904         explicit sign extension, not a (char) cast.
1905
1906 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1907
1908         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1909         GET_MODE_CLASS (x) == MODE_FLOAT.
1910         * config/i386/i386.c: Likewise.
1911         * config/rs6000/xcoff.h: Likewise.
1912         * config/rs6000/linux64.h: Likewise.
1913         * config/rs6000/rs6000.c: Likewise.
1914         * config/rs6000/rs6000.h: Likewise.
1915         * config/rs6000/predicates.md: Likewise.
1916         * config/rs6000/sysv4.h: Likewise.
1917
1918 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1919
1920         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1921         flag_pic is set.
1922
1923         * config/alpha/freebsd.h, config/alpha/linux.h,
1924         config/arm/linux-elf.h, config/bfin/bfin.h,
1925         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1926         config/i386/beos-elf.h, config/i386/gnu.h,
1927         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1928         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1929         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1930         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1931         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1932         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1933         config/sparc/linux.h, config/sparc/linux64.h,
1934         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1935
1936         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1937         are both defined when either flag -fpic or -fPIC are used.
1938
1939 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1940
1941         * config/fp-bit.c (clzusi): New function.
1942         (si_to_float, usi_to_float): Use it to compute proper shift.
1943         (usi_to_float): Preserve guard bits when shifting right.
1944         * libgcc-std.ver (GCC_4.2.0): New version.
1945         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1946         __floatundisf): New functions.
1947         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1948         __floatundisf): Declare.
1949         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1950         _floatundixf, and _floatunditf.
1951         * optabs.c (expand_float): If target does not define a pattern for
1952         signed or unsigned conversion, use an unsigned libcall instead of
1953         a signed one.
1954         (init_optabs): Initialize ufloat_optab.
1955
1956 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1957
1958         * config/rs6000/rs6000.opt (mmulhw): New option.
1959         * doc/invoke.texi (-mmulhw): Document.
1960         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1961         for 405 and 440.
1962         * config/rs6000/rs6000.md: Add half-word multiply and
1963         multiply-accumulate instructions for 405 and 440.
1964
1965 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1966
1967         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1968         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1969         default now includes a linker group which makes the RTEMS one nest.
1970
1971 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1972
1973         * cse.c (fold_rtx): Typo fix.
1974         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1975
1976 2005-11-21  Richard Henderson  <rth@redhat.com>
1977
1978         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1979         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1980
1981         * c-tree.h (lookup_name): Move declaration ...
1982         * c-common.h (lookup_name): ... here.
1983         * config/darwin-c.c: Include c-common.h.
1984         * config/t-darwin: Update dependencies.
1985
1986 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1987
1988         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1989         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1990         * genopinit.c (gen_insn): Likewise.
1991         * reload.c (find_equiv_reg): Likewise.
1992         * loop.c (load_mems): Likewise.
1993         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1994         * cse.c (find_comparison_args, fold_rtx): Likewise.
1995         * dwarf2out.c (add_const_value_attribute): Likewise.
1996         * expr.c (convert_move): Likewise.
1997         * recog.c (general_operand, register_operand): Likewise.
1998         * reg-stack.c (replace_reg): Likewise.
1999         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2000         * c-common.c (handle_vector_size_attribute): Likewise.
2001         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2002         (simplify_binary_operation_1): Likewise.
2003         (simplify_const_binary_operation): Likewise.
2004         (simplify_relational_operation): Likewise.
2005         (simplify_const_relational_operation): Likewise.
2006         (simplify_immed_subreg): Likewise.
2007         * emit-rtl.c (gen_lowpart_common): Likewise.
2008         * expmed.c (expand_mult): Likewise.
2009         * stor-layout.c (layout_type): Likewise.
2010
2011 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2012
2013         PR target/24951
2014         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2015         cst2 only for SPE vectors.
2016
2017 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2018
2019         PR target/24953
2020         * config/rs6000/predicates.md (vrsave_operation): Check
2021         UNSPEC_VOLATILE value.
2022
2023 2005-11-21  Jan Hubicka  <jh@suse.cz>
2024
2025         PR tree-optimization/24653
2026         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2027
2028 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2029
2030         * config/i386/predicates.md (ax_reg_operand): New predicate.
2031         (memory_displacement_only_operand): New predicate.
2032         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2033         operand is AX register and the other operand is memory operand
2034         with displacement only.
2035
2036 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2037
2038         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2039         if we don't care about NaNs or Infinities.
2040
2041 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2042
2043         PR rtl-optimization/24883
2044         * combine.c (combinable_i3pat): When checking whether the
2045         destination of i3 is used in i3, consider paradoxical subregs.
2046
2047 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2048
2049         PR middle-end/20583
2050         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2051
2052 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2053
2054         * combine.c (try_combine): Do not run subst on i1src and i2src in
2055         the case of generating a PARALLEL for a comparison.
2056
2057 2005-11-20  Richard Henderson  <rth@redhat.com>
2058
2059         PR 24931
2060         * tree-sra.c (struct sra_elt): Add all_no_warning.
2061         (struct sra_walk_fns) <use>: Add use_all argument.
2062         (sra_walk_expr): Pass it.
2063         (sra_walk_modify_expr): Likewise.
2064         (scalarize_ldst): Likewise.
2065         (scan_use): Update for new argument.
2066         (mark_no_warning): New.
2067         (scalarize_use): Use it.
2068
2069 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2070
2071         * expr.c (expand_expr_real): Use usmul_optab for widening
2072         signed * unsigned multiplies.
2073         * genopinit.c (optabs): Add usmul_widen_optab.
2074         * optabs.c (init_optabs): Likewise.
2075         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2076         (usmul_widen_optab): Define.
2077         * config/bfin/bfin.md (usmulhisi3): New pattern.
2078
2079         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2080
2081 2005-11-20  Graham Stott <btinternet.com>
2082
2083         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2084
2085 2005-11-20  Andreas Schwab  <schwab@suse.de>
2086
2087         PR target/24757
2088         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2089         insn.
2090
2091 2005-11-19  Richard Henderson  <rth@redhat.com>
2092
2093         PR tree-opt/24665
2094         * tree-gimple.c (is_gimple_id): Export.
2095         * tree-gimple.h (is_gimple_id): Declare.
2096         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2097         (get_default_value): Use it.
2098         (maybe_fold_stmt_indirect): Likewise.
2099
2100 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2101
2102         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2103         than VR1 or vice-versa.
2104
2105 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2106
2107         PR middle-end/24912
2108         PR middle-end/24750
2109         * reload.c (find_reloads_address_1): Mention dependency on
2110         gen_reload.
2111         * reload1.c (gen_reload): For IN with an unary operation, try
2112         moving inner expression to OUT if trivial SET is not valid.
2113         Confirm that the result is valid.  Move common code block into...
2114         (emit_insn_if_valid_for_reload): New function.
2115
2116 2005-11-19  Richard Guenther  <rguenther@suse.de>
2117
2118         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2119         ARRAY_REFs of constant strings.
2120
2121 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2122
2123         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2124         fatal format string.
2125
2126 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2127
2128         * combine.c (make_compound_operation): Swap operands of
2129         commutative operation if necessary before returning.
2130
2131 2005-11-19  Richard Guenther  <rguenther@suse.de>
2132
2133         PR middle-end/23294
2134         * fold-const.c (fold_plusminus_mult_expr): New function.
2135         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2136         cases, remove now unnecessary code.
2137
2138 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2139
2140         * gensupport.c (old_preds): Rename to std_preds, add special field.
2141         (struct old_pred_table): Rename to struct std_pred_table, add special
2142         field.
2143         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2144         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2145         (init_predicate_table): Adjust, and set along the way whether a
2146         predicate is special.
2147
2148 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2149
2150         * BASE-VER: Change to 4.2.0.
2151
2152 2005-11-18  James E Wilson  <wilson@specifix.com>
2153
2154         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2155         returning it.
2156
2157 2005-11-18  Mike Stump  <mrs@apple.com>
2158
2159         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2160         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2161         * c-decl.c (lookup_name_two) Remove.
2162         * c-tree.h (lookup_name_two): Remove.
2163         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2164         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2165         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2166         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2167
2168 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2169
2170         PR target/24914
2171         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2172         when not generating code to use that co-processor.
2173
2174 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2175
2176         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2177         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2178         these functions are now in tree-phinodes.c.
2179
2180 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2181
2182         * config/bfin/bfin.md (trap): New pattern.
2183
2184 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2185
2186         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2187         on types.
2188
2189         * expr.c (expand_expr_real): Don't call record_block_change unless
2190         ib_boundaries_block is non-null
2191
2192         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2193
2194         * fold-const.c (build_range_check): Use proper type for subtraction
2195         when merging lower bound.
2196
2197 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2198
2199         PR rtl-optimization/24497
2200         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2201         the copied insn.
2202
2203 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2204
2205         * tree-scalar-evolution.c (expression_expensive_p): New function.
2206         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2207
2208 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2209
2210         * config/bfin/crtlibid.s: New file.
2211
2212 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2213
2214         PR target/24348
2215         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2216         when not using sjlj exceptions.
2217         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2218         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2219         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2220         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2221         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2222         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2223         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2224         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2225         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2226         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2227         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2228         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2229         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2230         defines.
2231         * config/pa/hpux-unwind.h: New file.
2232
2233 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2234
2235         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2236         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2237         * varasm.c (do_assemble_alias): Adjust call.
2238         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2239         is defined.
2240         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2241
2242 2005-11-17  James E Wilson  <wilson@specifix.com>
2243
2244         * tree.def (FUNCTION_DECL): Correct typo in comment.
2245
2246 2005-11-17  Richard Henderson  <rth@redhat.com>
2247
2248         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2249         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2250         and DW_CFA_def_cfa_sf.
2251         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2252         (dbx_reg_number): Don't assert particular registers here.
2253         (based_loc_descr): ... do it here instead.  Fold in ...
2254         (eliminate_reg_to_offset): ... this function.
2255         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2256         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2257         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2258         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2259         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2260         (instantiate_virtual_regs): Likewise.
2261         * var-tracking.c (adjust_stack_reference): Likewise.
2262         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2263
2264 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2265
2266         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2267         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2268         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2269         crtlibid.o.
2270         ($(T)crtlibid.o): New rule.
2271
2272 2005-11-16  Richard Guenther  <rguenther@suse.de>
2273
2274         PR middle-end/24851
2275         * fold-const.c (extract_array_ref): Return byte offset
2276         in all cases.
2277         (fold_binary): Fold &x[a] CMP &x[b] to
2278         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2279         behavior.
2280
2281 2005-11-16  Richard Henderson  <rth@redhat.com>
2282
2283         PR middle-end/23497
2284         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2285         parts of an SSA_NAME.
2286
2287 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2288
2289         PR target/24861
2290         * arm.md (split for movsf with immediate): Restrict split to insns
2291         that set a general register.
2292
2293 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2294
2295         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2296         uw_update_context.
2297         * unwind-dw2.c (uw_advance_context): Likewise.
2298         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2299         _Unwind_SjLj_Unregister.
2300         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2301
2302 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2303
2304         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2305
2306 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2307
2308         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2309         langhook to get a DImode integer type.
2310
2311 2005-11-16  Richard Henderson  <rth@redhat.com>
2312             J"orn Rennecke <joern.rennecke@st.com>
2313             Ulrich Weigand  <uweigand@de.ibm.com>
2314
2315         PR rtl-opt/24160
2316         PR target/24621
2317         * reload1.c (reg_equiv_invariant): New.
2318         (reload): Allocate, initialize, and free it.
2319         (calculate_needs_all_insns): Check it when skipping equivalence
2320         setting insns.
2321         (alter_reg): Likewise.
2322         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2323         may_use_invariant argument; only use reg_equiv_invariant when true.
2324         (eliminate_regs): New.
2325         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2326         a context for which may_use_invariant may be true.
2327
2328 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2329
2330         * fold-const.c (const_binop): Don't constant fold the operation
2331         if the result has overflowed and flag_trapping_math.
2332         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2333
2334 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2335
2336         * config/arm/unwind-arm.c (abort): Add prototype here.
2337         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2338         (struct phase1_vrs): Add prev_sp.
2339         (unwind_phase2_forced): Save the original core registers instead of
2340         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2341         and set action flags accordingly.  Always set _US_END_OF_STACK when
2342         get_eit_entry fails.  Unwind before calling the stop function.
2343         (_Unwind_GetCFA): New function.
2344         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2345         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2346         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2347         just call unwind_phase2_forced.
2348         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2349         * config/arm/unwind-arm.h (abort): Remove prototype.
2350         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2351         prototypes.
2352         (_Unwind_GetCFA): New prototype.
2353         * config/arm/pr-support.c (abort): Add prototype here.
2354         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2355         forced unwinding.
2356         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2357         not schedule the prologue with non-call exceptions and EABI.
2358
2359 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2360
2361         * config/arm/unwind-arm.h: Reorder interface function declarations.
2362         (_URC_END_OF_STACK): New enumeration value.
2363         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2364         (struct _Unwind_Control_Block): Document reserved field use.
2365         (_Unwind_Stop_Fn): New typedef.
2366         (_Unwind_ForcedUnwind): Declare.
2367         (_Unwind_Resume_or_Rethrow): Declare.
2368         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2369         argument.  Adjust.
2370         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2371         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2372         (UCB_FORCED_STOP_ARG): New.
2373         (search_EIT_table): Update boundary condition checks.
2374         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2375         (unwind_phase2): Replace for with do..while.
2376         (unwind_phase2_forced): New.
2377         (__gnu_Unwind_RaiseException): Replace for with do..while.
2378         (__gnu_Unwind_ForcedUnwind): New.
2379         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2380         Use appropriate phase2 unwinder.
2381         (__gnu_Unwind_Resume_or_Rethrow): New.
2382         (__gnu_unwind_pr_common): Cope with forced unwinding.
2383
2384 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2385
2386         PR target/24772
2387         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2388
2389         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2390         roundsf2): Remove "s" from mnemonic.
2391
2392 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2393
2394         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2395         __PIC__ is defined.
2396         * config/bfin/crtn.s: Change epilogues to match.
2397         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2398         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2399         __PIC__ and __pic__.
2400
2401 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2402
2403         PR 24357
2404         * doc/invoke.texi: Distinguish between free and fixed form instead of
2405         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2406         languages.
2407         * gcc.c (default_compilers): Remove double entries, add entries for
2408         suffixes '.F90' and '.F95'.
2409
2410 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2411
2412         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2413         in the stack probing loop.
2414
2415 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2416
2417         * configure.ac: Use .machine power5 not power5x.
2418         * configure: Regenerate.
2419
2420 2005-11-15  Mike Stump  <mrs@apple.com>
2421
2422         * c-decl.c (lookup_name_two): Add.
2423         * c-tree.h (lookup_name_two): Likewise.
2424         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2425         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2426
2427 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2428
2429         PR rtl-optimization/23392
2430         * regrename.c (enum scan_actions) Add mark_access.
2431         (scan_actions_name): Ditto.
2432         (scan_rtx_reg): Handle mark_access.
2433         (scan_rtx_address): Do nothing for mark_access.
2434         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2435         and regs in REG_INC notes before closing chains for dead regs.
2436         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2437         opening chains for new writes.
2438
2439 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2440
2441         * c.opt (ffixed-line-length-none): New.
2442
2443 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2444
2445         * mklibgcc.in: Change contents of eh_dummy.c.
2446
2447 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2448
2449         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2450
2451 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2452
2453         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2454         of making syscalls.
2455         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2456
2457 2005-11-15  Jan Hubicka  <jh@suse.cz>
2458
2459         * invoke.texi (large-unit-insns): Document.
2460         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2461         * params.def (large-unit-insns): New param.
2462
2463 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2464
2465         PR target/24869
2466         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2467         special register for operand 3.  Reindent constraints to align
2468         them vertically.
2469
2470 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2471
2472         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2473         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2474         * configure.ac: Add test for FP rounding instructions.
2475         * configure: Regenerate.
2476         * config.in: Regenerate.
2477         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2478         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2479         features enabled.
2480         * config/rs6000/rs6000.opt (mfprnd): New.
2481         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2482         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2483         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2484         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2485         (TARGET_FPRND): New.
2486         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2487         UNSPEC_FRIZ): New.
2488         (btrunc<mode>2): New.
2489         (ceil<mode>2): New.
2490         (floor<mode>2): New.
2491         (round<mode>2): New.
2492
2493 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2494
2495         * gcc.c (version_compare_spec_function): Use fatal() rather than
2496         abort().
2497
2498         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2499         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2500         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2501         as empty.
2502         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2503         link in crt2.o.
2504
2505         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2506         on -mmacosx-version-min setting.
2507
2508 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2509
2510         PR 24840
2511         * tree-vrp.c (infer_value_range): Return false if STMT is a
2512         block terminator and its basic block has no successors.
2513
2514 2005-11-14  Mike Stump  <mrs@apple.com>
2515
2516         * config/i386/i386.c (override_options): -masm=intel isn't
2517         supported on darwin.
2518         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2519
2520 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2521
2522         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2523         vfork after including auto-host.h.
2524
2525 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2526
2527         PR rtl-optimization/22002
2528         * combine.c (distribute_notes): Detect cases where a reg dies
2529         two or more times in a bb, including on the insn we are combining,
2530         and place the death note on the correct range.
2531
2532 2005-11-14  Dale Johannesen  <dalej@apple.com>
2533
2534         * expmed.c (store_bit_field):  Add offset unconditionally for
2535         memory targets.
2536         (extract_bit_field):  Don't force extzv or extv operand into
2537         a register if field is too big.
2538
2539 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2540
2541         * config/arm/arm.c (pic_labelno): New.
2542         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2543         LABEL_REF.  Pass only the labelno to PIC insns.
2544         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2545         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2546         * arm.md (UNSPEC_PIC_LABEL): New constant.
2547         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2548         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2549         Use the correct label prefix.
2550
2551 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2552
2553         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2554         REQ_EQUIV note.
2555
2556 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2557
2558         * loop-invariant.c: Include tm_p.h.
2559         * Makefile.in: Updated.
2560
2561 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2562
2563         * pa.c (store_reg): Revise generation of frame notes in large frames.
2564         (set_reg_plus_d): Likewise.
2565
2566 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2567
2568         PR tree-optimization/24709
2569         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2570         loop check.
2571
2572 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2573
2574         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2575         and duplicate declaration of pthread_self.
2576
2577 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2578             Ian Lance Taylor  <ian@airs.com>
2579
2580         PR middle-end/24003
2581         * calls.c (expand_call): If TARGET is a MEM and some part of the
2582         argument area has been saved, force TARGET to a register.
2583
2584 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2585
2586         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2587         checking.
2588
2589 2005-11-13  Jason Merrill  <jason@redhat.com>
2590
2591         PR c++/22489
2592         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2593         lazily declared methods.
2594         (force_decl_die): Stop if forcing out the context already make a
2595         DIE for the decl.
2596         (force_type_die): Likewise.
2597
2598 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2599
2600         PR middle-end/24820
2601         * builtins.c (integer_valued_real_p): Add break in
2602         REAL_CST having TREE_OVERFLOW set.
2603
2604 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2605
2606         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2607         addressing modes during calculation of costs.
2608
2609 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2610
2611         * function.c (assign_stack_local_1): Restrict sanity check
2612         on frame size overflow to 32-bit and above platforms.
2613
2614 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2615
2616         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2617         * config/cris/cris.c: Include reload.h.
2618         (cris_initial_elimination_offset): New function.
2619         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2620         Prototype.
2621
2622 2005-11-12  Richard Guenther  <rguenther@suse.de>
2623
2624         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2625
2626 2005-11-12  Jan Hubicka  <jh@suse.cz>
2627
2628         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2629         to compare against 0 when possible.
2630
2631 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2632
2633         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2634         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2635         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2636         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2637         in the new order.
2638
2639 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2640
2641         * recog.c (constrain_operands) <case 'g'>: For a match, require
2642         that a non-register matches general_operand when strict >= 0.
2643
2644 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2645
2646         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2647         previous checkin.
2648
2649 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2650
2651         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2652         (memory_address_same): New.
2653         (dse_optimize_stmt): Call memory_address_same.
2654
2655 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2656
2657         PR middle-end/24750
2658         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2659         ZERO_EXTEND>: New cases.
2660
2661 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2662
2663         * longlong.h (__clz_tab): Always provide.
2664
2665 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2666
2667         PR 24265
2668         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2669         can be assigned to.
2670         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2671         before check_maybe_invariant.
2672         (move_invariant_reg): Use gen_move_insn instead of replacing
2673         SET_DEST with the temporary for the invariant.
2674         (move_loop_invariants): If checking is enabled, do internal
2675         consistency checks after completing the pass.
2676
2677 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2678
2679         PR 24644
2680         * common.opt (Wvolatile-register-var): New.
2681         * varasm.c (make_decl_rtl): Only emit warning when option
2682         specified.  Clarify warning message.
2683         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2684
2685         * doc/md.texi (copysign): Document standard named pattern.
2686
2687 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2688
2689         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2690         bytes when align is 2.
2691         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2692         by the first instruction of the loop.
2693
2694 2005-11-11  Jason Merrill  <jason@redhat.com>
2695
2696         PR c++/24686
2697         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2698         the cleanup list.
2699
2700 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2701
2702         PR rtl-optimization/22509
2703         * local-alloc.c (memref_used_between_p): Check whether a function call
2704         could not reference the memref.
2705
2706 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2707
2708         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2709         algorithm so as to choose the best, not the worst, alternative.
2710         Reset accumulated register class before processing next alternative.
2711
2712 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2713
2714         PR target/24445
2715         * calls.c (expand_call): Copy a return value to a plain register
2716         if needed.
2717
2718 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2719
2720         PR target/24778
2721         * varasm.c (assemble_name): Recompute name only for transparent
2722         aliases.
2723
2724 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2725
2726         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2727
2728 2005-11-04  Jeff Law  <law@redhat.com>
2729
2730         PR middle-end/23181
2731         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2732         perform reassociation if the parent statement will not die as
2733         a result of the optimization.
2734
2735 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2736
2737         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2738         delete_old_heap_vars.
2739         * tree-dfa.c (referenced_var_remove): Remove function.
2740         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2741         (delete_tree_ssa): Remove call to delete_old_heapvars.
2742         Add call to delete_alias_heapvars.
2743         * tree-flow.h (referenced_var_remove): Remove prototype
2744         (init_alias_heapvars): New prototype.
2745         (delete_alias_heapvars): Ditto.
2746         * Makefile.in (tree-ssa-structalias.o): Add
2747         gt-tree-ssa-structalias.o
2748         (GTFILES): Add tree-ssa-structalias.h and
2749         tree-ssa-structalias.c.
2750         (s-gtype): Add gt-tree-ssa-structalias.h.
2751         * tree-ssa-structalias.c (heapvars): Remove.
2752         (oldheapvars): Remove.
2753         (heapvar_for_stmt): New variable.
2754         (heapvar_lookup): New function.
2755         (heapvar_insert): Ditto.
2756         (get_constraint_for): See if we have an old heapvar
2757         to reuse.
2758         (init_alias_heapvars): New function.
2759         (delete_alias_heapvars): Ditto.
2760         Add include of gt-tree-ssa-structalias.h.
2761
2762 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2763
2764         PR middle-end/22127
2765         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2766
2767 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2768
2769         * tree.c (int_fits_type_p): Only look at the base type
2770         if it has the same precision as the original type.
2771
2772 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2773
2774         PR other/4372
2775         * varasm.c (assemble_alias): Use %q+D in the error
2776         message instead of %J and %qD.
2777
2778 2005-11-10  Richard Guenther  <rguenther@suse.de>
2779
2780         * gcse.c (free_ldst_entry): Only free hashtable if
2781         it exists.
2782
2783 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2784
2785         * function.c (assign_stack_local_1): Issue an error message if
2786         the frame size overflows in the signed target arithmetics.
2787
2788 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2789
2790         * tree.c (build_qualified_type): Chain the new type to the original
2791         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2792         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2793         (build_pointer_type_for_mode): Only return unqualified types.
2794         (build_reference_type_for_mode): Likewise.
2795
2796 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2797
2798         * Makefile.in (gnucompare): Do comparison of all files using one of
2799         the chosen methods and only afterwards decide if just warning should
2800         be issued or comparison failure raised.
2801
2802 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2803
2804         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2805         (noce_try_abs): Negate if the comparison is reversed.
2806         Look only one instruction backwards for a REG_EQUAL note.
2807
2808 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2809
2810         PR other/4372
2811         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2812         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2813         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2814         and prefix all uses with __ghtrw.
2815
2816 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2817
2818         PR other/4372
2819         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2820         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2821         * c-common.c (handle_weakref_attribute): New.
2822         (c_common_attribute_table): Add weakref.
2823         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2824         in the assembler.
2825         * configure, config.in: Rebuilt.
2826         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2827         * doc/extend.texi: Document weakref attribute.
2828         * varasm.c (ultimate_transparent_alias_target): New
2829         (assemble_name): Use it.
2830         (weak_finish_1): Split out of...
2831         (weak_finish): ... and deal with weakrefs in...
2832         (weakref_targets): ... new list.
2833         (globalize_decl): Clean up weakref_targets.
2834         (do_assemble_alias): Handle weakrefs.
2835         (finish_aliases_1): Do not reject weakrefs to external symbols.
2836         (assemble_alias): Handle weakrefs.
2837
2838 2005-11-09  Richard Guenther  <rguenther@suse.de>
2839
2840         PR tree-optimization/24716
2841         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2842         t_bool to track results from follow_ssa_edge.
2843
2844 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2845
2846         * final.c (force_source_line): New global variable.
2847         (final_scan_insn): Set it to true instead of clearing last_filename.
2848         (notice_source_line): Return true if force_source_line is true,
2849         unless source info is absent.
2850
2851 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2852
2853         PR c/24644
2854         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2855         a linkage name for a variable if it a register variable.
2856         * c-decl.c (grokdeclarator): Global register variables
2857         should be set as PUBLIC.
2858
2859 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2860
2861         PR 24624
2862         * config/s390/s390.c (struct s390_frame_layout): New fields
2863         first_save_gpr_slot and last_save_gpr_slot.
2864         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2865         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2866         first_save_gpr and last_save_gpr with the _slot variants.
2867         (s390_register_info): Calculate first_save_gpr_slot and
2868         last_save_gpr_slot using regs_ever_live.
2869
2870 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2871
2872         PR 24623
2873         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2874         for a function containing a landing pad.
2875
2876 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2877
2878         PR 24034
2879         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2880         is live afterwards.
2881
2882 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2883
2884         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2885         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2886
2887 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2888
2889         Add ms2 support
2890         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2891         constants.
2892         (call,load,store): New insn types.
2893         (mem_access, branch_access): Adjust reservation conditions.
2894         (define_delay): Adjust condition.
2895         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2896         type.
2897         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2898         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2899         insn type.
2900         (call_internal, call_value_internal, return_internal,
2901         return_interrupt_internal, eh_return_internal, indirect_jump,
2902         tablejump): Set call insn type.
2903         (blockage, ei, di): Use appropriate unspec const.
2904         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2905         (ms1_get_attr_type): Adjust to give load & store types.
2906         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2907         backwards past a barrier.
2908         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2909         branch scheduling.
2910         (struct branch_info, struct label_info): New.
2911         (ms1_labels): New.
2912         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2913         (ms1_machine_reorg): New.
2914         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2915         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2916         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2917         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2918         (TARGET_MS2): New.
2919
2920 2005-11-09  Per Bothner  <per@bothner.com>
2921             Uros Bizjak  <uros@kss-loka.si>
2922
2923         PR c/24101
2924         * toplev.c (process_options): Initialize debug_hooks early
2925         in case lang_hooks.post_options ends up calling a debug_hook.
2926
2927 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2928
2929         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2930         DBX_REGISTER_NUMBER being contiguous.
2931
2932 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2933             Diego Novillo  <dnovillo@redhat.com>
2934
2935         PR 23046
2936         * tree-vrp.c (register_edge_assert_for): Do not register
2937         always-false predicates.
2938
2939 2005-11-08  Devang Patel <dpatel@apple.com>
2940
2941         PR tree-optimization/23115
2942         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2943         relation.
2944
2945 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2946
2947         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2948         -mcpu=440.
2949
2950 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2951
2952         Fix PR tree-optimization/23382
2953
2954         * tree-ssa-alias.c (compute_may_aliases): Call
2955         delete_old_heap_vars.
2956         * tree-dfa.c (referenced_var_remove): New function.
2957         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2958         * tree-flow.h (referenced_var_remove): Add prototype.
2959         (delete_old_heap_vars): Ditto.
2960         * tree-ssa-structalias.c (heapvars): New variable.
2961         (oldheapvars): Ditto.
2962         (get_constraint_for): Put heap vars on heapvars list.
2963         (delete_old_heap_vars): New function.
2964
2965 2005-11-08  Jason Merrill  <jason@redhat.com>
2966
2967         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2968
2969 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2970
2971         PR target/19340
2972         * reg-stack.c (reg_to_stack): Update register liveness also
2973         for flag_sched2_use_traces.
2974
2975 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2976
2977         PR target/23704
2978         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2979         override prior explicit -mno-powerpc-gfxopt.
2980
2981 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2982
2983         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2984         if the bitsize is zero.
2985         * doc/md.texi (Standard Pattern Names): Document it.
2986
2987         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2988         (TARGET_PASS_BY_REFERENCE): Likewise.
2989
2990 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2991
2992         PR rtl-optimization/24683
2993         * config/i386/i386.c (legitimize_pic_address): If constant operand
2994         to PLUS is too large, put it in a register.
2995
2996 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2997
2998         * configure.ac: Enable checking assembler dwarf2 support for bfin
2999         target.
3000         * configure: Regenerate.
3001
3002 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3003
3004         PR target/24230
3005
3006         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3007         gen_easy_vector_constant_add_self): Delete.
3008         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3009         New.
3010         (output_vec_const_move): Use gen_easy_altivec_constant.
3011         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3012         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3013         (easy_vector_constant_add_self): Rewritten.
3014         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3015         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3016         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3017         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3018         Macroize and adjust for the other changes.
3019
3020 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3021
3022         PR c/24599
3023
3024         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3025         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3026
3027 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3028
3029         PR rtl-optimization/23567
3030         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3031         (noce_process_if_block): Don't do any optimizations except
3032         if (cond) x = x; if !set_b and write into orig_x may trap
3033         or fault.  Remove the MEM_READONLY_P check.
3034
3035 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3036
3037         PR 24670
3038         * tree-vrp.c (fix_equivalence_set): New.
3039         (extract_range_from_assert): Call it.
3040
3041 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3042
3043         PR target/22432
3044         * combine.c (apply_distributive_law): Don't distribute across a
3045         vector mode subreg.
3046
3047 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3048
3049         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3050         config/ms1/ms1.h, config/rs6000/predicates.md,
3051         config/s390/s390.c, params.def, postreload-gcse.c,
3052         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3053         tree-vrp.c, tree.c: Fix comment typos.
3054         * doc/invoke.texi: Fix typos.
3055
3056 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3057
3058         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3059         for testing whether the data_dependence_relation contains distance
3060         vectors.  Iterate over all distance vectors of the ddr.
3061         * lambda.h: Define a vec of lambda_vector pointers.
3062         * tree-data-ref.c (dump_data_dependence_relation,
3063         dump_data_dependence_direction): Iterate over all distance and
3064         direction vectors of the ddr.
3065         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3066         DDR_DIST_VECTS.
3067         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3068         of distance/direction vectors instead of a single one.
3069         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3070         lambda_vectors with a vec of lambda_vectors.
3071         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3072         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3073         DDR_NUM_DIST_VECTS): New.
3074         * tree-loop-linear.c (gather_interchange_stats): Test for the
3075         existence of distance vectors only after having checked that there
3076         is a dependence.  Iterate over all distance vectors of the ddr.
3077         (linear_transform_loops): Use dump_data_dependence_relation.
3078         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3079         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3080         distance vectors of the ddr.
3081
3082 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3083
3084         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3085         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3086         IS_INTHANDLER; all callers changed.
3087         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3088         account.
3089         (do_link, do_unlink): New argument ALL; all callers changed.
3090         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3091         If function isn't leaf, save and restore all registers.
3092         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3093         exception handler.
3094
3095 2005-11-05  Jan Hubicka  <jh@suse.cz>
3096
3097         PR rtl-optimization/23490
3098         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3099         max-flow-memory-location): Document.
3100         * flow.c: Include params.h
3101         (MAX_MEM_SET_LIST_LEN): Kill.
3102         (add_to_mem_set_list): Use new param.
3103         * cse.c (cse_basic_block): Replace 1000 by new param.
3104         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3105         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3106         * predict.c (predict_loops): Use new param.
3107         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3108
3109         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3110         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3111         Do not hold memory returned by cgraph_node_name across other call.
3112
3113 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3114
3115         PR target/23424
3116         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3117         Disable.
3118
3119 2005-11-04  Jeff Law  <law@redhat.com>
3120
3121         PR/21883
3122         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3123         * tree-ssa-dom.c: Include params.h.
3124         (thread_across_edge): If there are too many statements in the
3125         target block, then do not thread through it.
3126         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3127         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3128
3129 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3130
3131         PR 24627
3132         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3133         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3134
3135 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3136
3137         PR/18595
3138         * tree-scalar-evolution.c (instantiate_parameters_1,
3139         instantiate_parameters, resolve_mixers): Compute the size of an
3140         expression to be instantiated and give up the instantiation if the
3141         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3142
3143 2005-11-04  Richard Guenther  <rguenther@suse.de>
3144
3145         * tree-flow.h (ref_contains_indirect_ref): Rename to
3146         array_ref_contains_indirect_ref.
3147         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3148         (array_ref_contains_indirect_ref): Make comment match the code
3149         and vice-versa.
3150         (ref_contains_array_ref): Likewise.
3151         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3152         ref_contains_indirect_ref.
3153         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3154         Rename calls to ref_contains_indirect_ref.
3155
3156 2005-11-04 Paul Brook  <paul@codesourcery.com>
3157
3158         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3159         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3160         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3161         * config/arm/arm.md: Use match_operand in peephole input templates
3162         and match_dup in peephole output templates.
3163
3164 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3165
3166         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3167         __aeabi_uidiv.
3168
3169 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3170             Daniel Jacobowitz  <dan@codesourcery.com>
3171
3172         * longlong.h (add_ssaaaa): Clobber condition code register
3173         in ARM version.
3174         (sub_ddmmss): Likewise.
3175         (umul_ppmm): Likewise.
3176
3177 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3178             Paul Brook  <paul@codesourcery.com>
3179             Phil Blundell  <pb@reciva.com>
3180
3181         * configure.ac: Add test for ARM TLS support.
3182         * configure: Regenerated.
3183         * config/arm/arm-protos.h (legitimize_tls_address)
3184         (arm_tls_referenced_p, tls_mentioned_p)
3185         (arm_output_addr_const_extra): New prototypes.
3186         (thumb_legitimize_pic_address): Delete.
3187         * config/arm/arm.c: Include "gt-arm.h".
3188         (enum tls_reloc): New.
3189         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3190         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3191         (arm_call_tls_get_addr, legitimize_tls_address)
3192         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3193         (arm_init_tls_builtins, arm_emit_tls_decoration)
3194         (arm_output_addr_const_extra): New functions.
3195         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3196         (TARGET_HAVE_TLS): Define.
3197         (target_thread_pointer): New.
3198         (arm_override_options): Handle -mtp=.
3199         (legitimize_pic_address): Ignore UNSPECs.
3200         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3201         relative symbols.
3202         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3203         (tls_get_addr_libfunc): New variable.
3204         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3205         (arm_init_builtins): Call arm_init_tls_builtins.
3206         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3207         (arm_encode_section_info): Call default_encode_section_info.
3208         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3209         (enum arm_tp_type): New.
3210         (target_thread_pointer): Add declaration.
3211         (LEGITIMATE_CONSTANT_P): Handle TLS.
3212         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3213         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3214         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3215         * config/arm/arm.md: Add UNSPEC_TLS.
3216         (movsi): Handle TLS.
3217         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3218         non-PIC.
3219         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3220         (load_tp_hard, load_tp_soft): New insns.
3221         * arm.opt: Add -mtp=.
3222         * doc/invoke.texi (ARM Options): Document -mtp.
3223
3224 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3225
3226         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3227         * config/arm/libunwind.S: Include "lib1funcs.asm".
3228         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3229         (LIB2ADDEH): Add libunwind.S.
3230         (LIB2ADDEHDEP): Add lib1funcs.asm.
3231         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3232
3233 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3234
3235         PR fortran/18452
3236         * gcc/c.opt: Add a -lang-fortran option.
3237         * gcc/c-opts.c: Add a lang_fortran flag.
3238         (c_common_init_options): Handling the -lang-fortran option.
3239         (c_common_handle_option): Add a case for Fortran options in
3240         preprocessing. Remove cases for -ffixed-form and
3241         -ffixed-line-length. Add a case for -lang-fortran.
3242
3243 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3244
3245         * config/rs6000/rs6000.c: Include params.h
3246         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3247         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3248         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3249         (UNSPEC_VPKUWSS): Delete.
3250         (altivec_vpkuhss): Delete.
3251         (altivec_vpkuwss): Delete.
3252         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3253         final condition.
3254         (neg_eq0<mode>): Remove final condition.
3255         (neg_eq<mode>): Remove condition and split-condition.
3256
3257 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3258
3259         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3260         Use associated print macros.
3261
3262 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3263
3264         PR c++/17964
3265         * diagnostic.c (diagnostic_set_info_translated): New function.
3266         (diagnostic_set_info): Use it.  Add comment.
3267         * diagnostic.h (diagnostic_set_info_translated): Declare.
3268
3269 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3270
3271         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3272         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3273         reference only if 'public' is true.
3274         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3275         emit the .hidden directive only if the indirect reference is public.
3276         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3277         Pass it to dw2_force_const_mem.
3278         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3279         * dwarf2out.c (output_cfi): Adjust calls to above function.
3280         (output_call_frame_info): Likewise.
3281         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3282         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3283
3284 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3285
3286         PR tree-optimization/24483
3287         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3288         field to elts if possible.
3289
3290 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3291
3292         PR middle-end/23155
3293         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3294         CONSTRUCTOR.
3295
3296 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3297
3298         Fix PR tree-optimization/24351
3299
3300         * tree-ssa-structalias.c (struct variable_info): Add
3301         collapsed_into.
3302         (get_varinfo_fc): New function to follow collapsing.
3303         (new_var_info): Set collapsed_to to NULL.
3304         (dump_constraint): Follow collapsing.
3305         (build_constraint_graph): Handle collapsing.
3306         (do_simple_structure_copy): Return false if something bad
3307         happened.
3308         (collapse_rest_of_var): New function.
3309         (do_structure_copy): Collapse if do_simple_structure_copy returns
3310         false.
3311
3312 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3313
3314         PR middle-end/24589
3315         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3316         expressions to a statement list instead of gimplifying them.
3317
3318 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3319
3320         PR rtl-optimization/23585
3321         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3322         that can't trap plus a constant integer, if the mode has zero size.
3323
3324 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3325
3326         PR target/24620
3327         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3328         as operand 2.
3329         ("*insv<mode>_reg_extimm"): Likewise.
3330
3331 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3332
3333         PR c/24329
3334         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3335         c_common_type_for_mode returns an unnamed type.
3336
3337 2005-11-02  Richard Henderson  <rth@redhat.com>
3338
3339         PR target/9350
3340         PR target/24374
3341         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3342         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3343         * function.c (assign_parms): Use calls.internal_arg_pointer.
3344         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3345         code.
3346         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3347         (TARGET_CALLS): Add it.
3348         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3349         * targhooks.c (default_internal_arg_pointer): New.
3350         * targhooks.h (default_internal_arg_pointer): Declare.
3351         * tree.h (dwarf2out_reg_save_reg): Declare.
3352         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3353         * config/i386/i386.c (dbx_register_map): Add return column.
3354         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3355         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3356         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3357         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3358         (ix86_save_reg): Save force_align_arg_pointer.
3359         (ix86_emit_save_regs): Make regno unsigned.
3360         (ix86_emit_save_regs_using_mov): Likewise.
3361         (ix86_expand_prologue): Handle force_align_arg_pointer.
3362         (ix86_expand_epilogue): Likewise.
3363         * config/i386/i386.h: (dbx_register_map): Update.
3364         (dbx64_register_map, svr4_dbx_register_map): Update.
3365         (struct machine_function): Add force_align_arg_pointer.
3366         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3367         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3368         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3369
3370 2005-11-02  Jan Hubicka  <jh@suse.cz>
3371
3372         PR target/23303
3373         * i386.md: Add peep2 for simplyfing array accesses.
3374
3375 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3376
3377         PR target/24615
3378         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3379         * config/s390/s390.c (s390_decompose_shift_count): New function.
3380         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3381         (print_shift_count_operand): Use s390_decompose_shift_count.
3382         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3383         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3384
3385 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3386
3387         PR target/24600
3388         * loop.c (loop_givs_rescan): Use force_operand to expand
3389         complex GIVs.
3390
3391 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3392
3393         PR 22429
3394         * fold-const.c (build_range_check): Use unsigned when signed
3395         overflow is undefined also.  If etype is subtype, make sure that
3396         the subtraction is in the supertype.
3397
3398 2005-11-02  Richard Henderson  <rth@redhat.com>
3399
3400         PR target/24178
3401         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3402         by MEM_ALIGN.
3403
3404 2005-11-01  Richard Henderson  <rth@redhat.com>
3405
3406         PR 21518
3407         * loop.c (scan_loop): Do not propagate computations to a hard
3408         register destination with SMALL_REGISTER_CLASSES.
3409
3410 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3411
3412         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3413         costs for MULT inside PLUS or MINUS.
3414
3415 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3416
3417         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3418         (TRAMPOLINE_SIZE): Round up to 60.
3419         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3420
3421 2005-10-31  James E. Wilson  <wilson@specifix.com>
3422
3423         PR debug/24444
3424         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3425         ifdef.  Put ifdefs around call in gen_subprogram_die.
3426         (compute_frame_pointer_to_cfa_displacement): Likewise.
3427         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3428         not defined.
3429
3430         PR rtl-optimization/17356
3431         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3432         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3433
3434 2005-10-31  Jan Hubicka  <jh@suse.cz>
3435
3436         PR middle-end/24093
3437         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3438
3439         PR target/20928
3440         * i386.c (legitimize_pic_address): Deal with large immediates.
3441
3442         PR profile/20815
3443         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3444         from symbol names while computing checkup.
3445
3446         PR profile/24487
3447         * predict.c (predict_loops): Do not estimate more than
3448         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3449         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3450
3451 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3452
3453         PR tree-optimization/19097
3454         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3455
3456 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3457
3458         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3459
3460 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3461
3462         PR middle-end/23492
3463         * tree-inline.c (setup_one_parameter): If the init_stmt
3464         is NULL, don't insert the statement.
3465
3466 2005-10-30  Jan Hubicka  <jh@suse.cz>
3467
3468         PR tree-optimization/24172
3469         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3470
3471 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3472
3473         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3474         constants for hosts with long != 32 bits.
3475
3476 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3477
3478         PR middle-end/24093
3479         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3480
3481 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3482
3483         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3484         (TARGET_MS1_16_002): New.
3485         (TARGET_MS1_16_003): New.
3486
3487         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3488         ("*decrement_and_branch_until_zero_no_clobber"): New.
3489         Add corresponding splitter for decrement_and_branch_until_zero
3490         instruction.
3491         Key all decrement_and_branch_until_zero patterns off of
3492         TARGET_MS1_16_003.
3493
3494 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3495
3496         PR middle-end/24362
3497         * tree-complex.c (extract_component): Treat RESULT_DECL
3498         like the rest of the decls.
3499
3500 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3501
3502         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3503         indirect call to _mcount if the function needs a static chain.
3504
3505 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3506             Caroline Tice  <ctice@apple.com>
3507
3508         PR rtl-optimization/24460
3509         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3510         (dwarf2out_switch_text_section): Set it to true instead of
3511         incrementing separate_line_info_table_in_use.
3512         (output_loc_list): Additionally test have_switched_text_sections.
3513         (output_ranges): Likewise.
3514         (dwarf2out_finish): Likewise.
3515         * varasm.c (assemble_start_function): Do not call
3516         insert_section_boundary_note.
3517         (assemble_end_function): If flag_reorder_blocks_and_partition,
3518         switch to the function's section before emitting the .size directive.
3519         * bb-reorder.c (insert_section_boundary_note): Staticify.
3520         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3521         * output.h (insert_section_boundary_note): Delete.
3522
3523 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3524
3525         PR c/23103
3526         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3527         instead of pointer equality when comparing types.
3528
3529 2005-10-24  James E. Wilson  <wilson@specifix.com>
3530
3531         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3532         add_dependence_list_and_free calls.
3533
3534 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3535
3536         * contrib.texi: Add the names of the LLNL folks who donated
3537         Cray pointer support for gfortran.
3538
3539 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3540
3541         PR tree-optimization/24225
3542         * profile.c (branch_prob): Look from end to start through a
3543         basic block when looking for a locus.
3544
3545 2005-10-24  Richard Henderson  <rth@redhat.com>
3546
3547         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3548         parallel.
3549         (hppa_expand_prologue): Likewise.
3550
3551 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3552
3553         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3554         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3555         * pa.h (NO_PROFILE_COUNTERS): Define.
3556         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3557         (funcdef_nos): New vector to hold label numbers of deferred profile
3558         counters.
3559         (output_deferred_profile_counters): New function.
3560         (hppa_profile_hook): Push label number onto funcdef_nos.
3561         (pa_hpux_file_end): Call output_deferred_profile_counters if
3562         NO_DEFERRED_PROFILE_COUNTERS is false.
3563
3564         * pa-protos.h (get_deferred_plabel): New prototype.
3565         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3566         Make global.
3567         (output_call): Adjust calls.
3568
3569 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3570
3571         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3572         peculiarity of GOT/TOC section usage.
3573
3574 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3575
3576         PR objc/24435
3577          * c-common.c (constant_string_class_name): Add documentation.
3578
3579 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3580
3581         PR target/23832
3582         * recog.c (peephole2_optimize): Increment peep2_current_count
3583         only when the slot is empty.
3584
3585 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3586
3587         PR ada/23957
3588         * except.c (output_function_exception_table): Call
3589         assemble_external_libcall if we need a personality function.
3590
3591 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3592
3593         PR rtl-optimization/24460
3594         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3595         set the basic block for barriers.
3596
3597 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3598
3599         * var-tracking.c (vt_initialize): Initialize post.
3600
3601 2005-10-21  Devang Patel  <dpatel@apple.com>
3602
3603         PR/24220
3604         * c-common.c (vector_types_convertible_p): Check vector element type.
3605
3606 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3607
3608         * config/sh/sh.c (prepare_move_operands): Handle the address
3609         constant which is a tls symbolic address plus a constant.
3610
3611 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3612
3613         PR driver/24473
3614         * gcc.c (main): Use the correct counter for erroring out
3615         about mulitple files.
3616
3617 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3618
3619         PR target/24465
3620         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3621         use r2 for 64-bit tls .got access.
3622
3623 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3624
3625         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3626         TRUTH_OR_EXPR.
3627
3628 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3629
3630         PR tree-optimization/24307
3631         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3632
3633 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3634
3635         PR middle-end/24295
3636         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3637         alias targets.
3638         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3639         is ready, stop marking functions, but still mark variables.
3640
3641 2005-10-20  Richard Guenther  <rguenther@suse.de>
3642
3643         PR c++/24439
3644         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3645         void type operands.
3646
3647 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3648
3649         PR rtl-optimization/23585
3650         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3651         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3652         (may_trap_p_1): New predicate extracted from...
3653         (may_trap_p): ... here.  Invoke may_trap_p_1.
3654         (may_trap_or_fault_p): New predicate.
3655         * rtl.h (may_trap_or_fault_p): Declare it.
3656         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3657         instead of may_trap_p.
3658         (steal_delay_list_from_fallthrough): Likewise.
3659         (fill_simple_delay_slots): Likewise.
3660         (fill_slots_from_thread): Likewise.
3661         * function.c (pad_to_arg_alignment): Rework comment about
3662         SPARC_STACK_BOUNDARY_HACK.
3663         * config/sparc/sparc.h: Likewise.
3664
3665 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3666
3667         * config/s390/s390.c (s390_expand_insv): New.
3668         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3669         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3670         ("icm_hi"): Remove mode attribute.
3671         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3672         Adjust all uses.
3673         ("*extracthi", "*extractqi"): Remove.
3674         (extv<mode>", "*extzv<mode>"): New.
3675         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3676         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3677
3678 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3679
3680         * cfgexpand.c (discover_nonconstant_array_refs_r,
3681         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3682         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3683         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3684         discover_nonconstant_array_refs.
3685
3686 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3687
3688         PR c/23228
3689         * c-decl.c (pop_scope): Don't warn about an unused variable
3690         if it is marked with TREE_NO_WARNING.
3691         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3692         somenow mismatch and olddecl is to be replaced.
3693
3694 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3695
3696         PR middle-end/23199
3697         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3698         whether registers live on the edge can be saved/restored.
3699
3700 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3701
3702         * config/sh/sh.c (fixup_mova): Skip notes.
3703
3704 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3705
3706         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3707         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3708         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3709         (s390_initial_elimination_offset): Likewise.
3710         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3711         register on TARGET_ZARCH targets.
3712         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3713         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3714         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3715         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3716
3717 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3718
3719         * config/s390/s390.md: Comment describing output modifiers updated.
3720         * config/s390/s390.c (print_operand): Likewise.
3721
3722 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3723
3724         * config/s390/s390.c (override_options): Added check for -mstack-size
3725         64k limitation.
3726         * doc/invoke.texi: Mention that limit in the documenation.
3727
3728 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3729
3730         PR #19672
3731         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3732
3733 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3734
3735         Fix PR tree-optimization/24231
3736
3737         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3738         (compute_avail): Ditto.
3739
3740 2005-10-18  Richard Henderson  <rth@redhat.com>
3741
3742         PR target/24428
3743         * config/i386/i386.c (legitimate_constant_p): Check
3744         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3745         if LABEL_REF.
3746         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3747         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3748         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3749         directly.
3750         (print_operand_address): Likewise.
3751         * config/i386/predicates.md (x86_64_immediate_operand): Test
3752         SYMBOL_REF_TLS_MODEL properly inside CONST.
3753         (x86_64_zext_immediate_operand): Likewise.
3754         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3755         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3756         * config/i386/i386-protos.h: Remove predicates.md entries.
3757
3758 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3759
3760         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3761         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3762
3763 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3764             Ian Lance Taylor <ian@airs.com>
3765
3766         PR middle-end/23522
3767         * fold-const.c (fold_widened_comparison): Do not allow range based
3768         constant folding when right operand cannot be unwidened.
3769
3770 2005-10-17  Richard Henderson  <rth@redhat.com>
3771
3772         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3773         with a memory clobber.
3774
3775 2005-10-17  James E Wilson  <wilson@specifix.com>
3776
3777         PR rtl-optimization/17356
3778         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3779         checking for EDGE_EH.
3780
3781 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3782
3783         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3784         the slot on an even boundary for any type with 16-byte alignment.
3785
3786 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3787
3788         PR target/23424
3789         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3790         after register allocation.
3791
3792 2005-10-17  DJ Delorie  <dj@redhat.com>
3793
3794         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3795         as frame related.
3796
3797 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3798
3799         PR c++/22551
3800         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3801         overflow flags.
3802
3803 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3804
3805         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3806         to 2 if it's already non-zero.
3807         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3808         is set and warn about it if flag_schedule_insns is 1.
3809
3810 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3811
3812         * config/crx/crx.md: Compare-and-branch instructions need to
3813         invalidate CC.
3814
3815 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3816
3817         PR target/24315
3818         * config/i386/i386.md (*pushdi2_rex64 splitter)
3819         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3820         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3821         flow2 pass only when (optimize > 0 && flag_peephole2).
3822
3823 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3824
3825         PR driver/22544
3826         * gcc.c (have_c): New static variable.
3827         (have_o): Likewise.
3828         (process_command): Remove declation of have_c.
3829         Set have_o to 1 when handling -o.
3830         (main): Add a fatel error if there are multiple
3831         files specified and -o and -c/-S is passed witout
3832         -combine or multiple languages.
3833
3834 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3835
3836         Fix PR tree-optimization/22444
3837         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3838         Assert that we don't hit something with subvars.
3839         (setup_pointers_and_addressables): Don't add things with subvars,
3840         because we'll already process the subvars for aliasing purposes.
3841
3842 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3843
3844         PR target/23424
3845         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3846         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3847         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3848         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3849         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3850         swapped, alternatives for the R constraint.
3851
3852         PR middle-end/24341
3853         * builtins.c (get_builtin_sync_mode): Make unlimited
3854         mode_for_size request.
3855
3856 2005-10-15  Richard Henderson  <rth@redhat.com>
3857
3858         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3859         (gimplify_expr): ... here.
3860         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3861         fb_lvalue in base expression.
3862
3863 2005-10-15  Richard Henderson  <rth@redhat.com>
3864
3865         PR 23714
3866         * builtins.c (expand_builtin_trap): Export.
3867         * expr.h (expand_builtin_trap): Declare.
3868         * expr.c (expand_assignment): Emit a trap for integral offsets
3869         from registers that weren't reduced to bitpos.
3870
3871         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3872         (mark_array_ref_addressable): Remove.
3873         * tree-flow.h (mark_array_ref_addressable): Remove.
3874         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3875
3876 2005-10-15  James E Wilson  <wilson@specifix.com>
3877
3878         PR target/24232
3879         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3880         (add_dependence_list_and_free): Likewise.
3881         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3882         call.
3883
3884 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3885
3886         PR 23141
3887         PR 23142
3888         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3889         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3890         anti-range.
3891         (vrp_visit_phi_node): Only prevent infinite iterations when
3892         the previous result and the new result are both VR_RANGEs.
3893
3894 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3895
3896         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3897         function comment.
3898
3899 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3900
3901         PR c/23439
3902         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3903         to initialize loc.
3904
3905 2005-10-14  Per Bothner  <per@bothner.com>
3906
3907         PR preprocessor/21250
3908         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3909
3910 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3911
3912         PR c++/22551
3913         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3914         overflow flags.  Refactor some conditionals.
3915
3916 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3917
3918         PR tree-opt/21304
3919         * tree-dfa.c (add_referenced_var): Only look at decls which
3920         have TREE_CONSTANT or TREE_READONLY set instead of if
3921         !TREE_PUBLIC or !TREE_CONSTANT.
3922
3923 2005-10-13  James E Wilson  <wilson@specifix.com>
3924
3925         * doc/invoke.texi: For -x, add f95-cpp-input.
3926         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3927
3928 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3929
3930         PR tree-optimization/24262
3931         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3932         in loop all the time.
3933
3934 2005-10-12  Richard Henderson  <rth@redhat.com>
3935
3936         PR c/24255
3937         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3938         * function.c (assign_parm_find_data_types): Don't support it.
3939         * print-tree.c (print_node): Likewise.
3940         * c-common.c (handle_transparent_union_attribute): Likewise.
3941         Use build_duplicate_type.
3942         * tree-inline.c (remap_type_1): Split out of remap_type;
3943         properly remap aggregate fields.
3944         (build_duplicate_type): New.
3945         * doc/extend.texi (Variable Attributes): Remove documentation
3946         for transparent_union.
3947
3948 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3949
3950         PR target/24284
3951         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3952         (gen_stack_pointer_dec): Likewise.
3953
3954 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3955
3956         PR middle-end/21275
3957         PR middle-end/21766
3958         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3959         target hook.
3960         (struct cxx): Add adjust_class_at_definition target hook.
3961         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3962         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3963         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3964         hook_void_tree. Add to TARGET_CXX.
3965         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3966         dllimport_flag.
3967         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3968         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3969         instead of attribute. Check for dllexport override.  Warn if
3970         inconsistent dll linkage. Don't lose old dllimport if decl has
3971         had address referenced.   Tweak lookup of dllimport atribute.
3972         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3973         for target specific rules.  Don't add dllimport attribute if
3974         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3975         dllimport attribute.
3976         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3977         * varasm.c (initializer_constant_valid_p): Replace
3978         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3979
3980         PR target/21801
3981         PR target/23589
3982         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3983         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3984         (i[34567]86-*-mingw32*): Likewise.
3985
3986         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3987         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3988
3989         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3990         C++-specific code. Change return value to bool.
3991         (i386_pe_dllimport_p): Likewise.
3992         (associated_type): Simplify and make language-independent
3993         (i386_pe_encode_section_info): Replace override of ambiguous
3994         dllimport symbol refs with a gcc_assert.
3995         (i386_pe_valid_dllimport_attribute_p): Define.
3996         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3997         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3998         i386_pe_adjust_class_at_definition.
3999         * config/i386/winnt-stubs.c: New file. Define stub versions of
4000         lang-specific functions.
4001         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4002         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4003         i386_pe_adjust_class_at_definition.
4004         (i386_pe_valid_dllimport_attribute_p): Declare.
4005         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4006         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4007         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4008
4009         PR target/19704
4010         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4011         dllimport attribute with test of DECL_DLLIMPORT_P.
4012
4013 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4014
4015         * combine.c (make_extraction): Correct offset computation.
4016
4017 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4018
4019         * config/cris/t-linux (LIMITS_H_TEST): Define.
4020
4021 2005-10-12  Richard Henderson  <rth@redhat.com>
4022
4023         PR rtl-opt/23324
4024         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4025
4026 2005-10-12  Richard Guenther  <rguenther@suse.de>
4027
4028         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4029
4030 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4031
4032         PR c++/19964
4033         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4034         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4035         type.
4036
4037 2005-10-12  Richard Guenther  <rguenther@suse.de>
4038
4039         PR c++/23799
4040         * varasm.c (output_constant): Correct typo from previous
4041         patch by DJ.
4042
4043 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4044
4045         PR rtl-optimization/13931
4046         * combine.c: Revert patch of 2003-05-14, and:
4047         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4048         completely killed in the appropriate insn.
4049         (distribute_notes): Don't skip multiple hard register test for
4050         elim_i1 and elim_i2.
4051
4052 2005-10-11  Richard Henderson  <rth@redhat.com>
4053
4054         PR c/24255
4055         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4056         to initialize a transparent union instead of a nop_expr.
4057
4058 2005-10-11  Richard Henderson  <rth@redhat.com>
4059
4060         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4061         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4062         (tree_ssa_dce_loop): Call scev_reset.
4063
4064         PR tree-opt/24300
4065         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4066         * tree-ssa-dce.c: Include cfgloop.h.
4067         (tree_ssa_dce_loop, pass_dce_loop): New.
4068         * tree-pass.h (pass_dce_loop): Declare it.
4069         * passes.c (init_optimization_passes): Use it.
4070
4071 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4072
4073         PR middle-end/24263
4074         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4075         Only apply the optimization for rounding builtins if the inner
4076         cast is also an extension.
4077
4078 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4079
4080         PR tree-opt/23946
4081         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4082         mark_new_vars_to_rename instead of update_stmt.
4083
4084 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4085
4086         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4087
4088 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4089
4090         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4091         for setting MMX register to 0 rather than mmx.
4092
4093 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4094
4095         PR target/12098
4096         * configure.ac: Move gas check from mips specific case to common case.
4097         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4098         * configure: Regenerate
4099         * doc/install.texi: Update.
4100
4101 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4102
4103         PR target/24284
4104         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4105
4106 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4107
4108         * gcc.c (do_spec_1): Accept numeric characters in file name
4109         suffixes.
4110
4111 2005-10-10  Nick Clifton  <nickc@redhat.com>
4112
4113         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4114         describing the deleted arm_gen_rotated_half_load function.
4115
4116 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4117
4118         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4119         __fpscr_values.
4120
4121 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4122
4123         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4124         gnu_ld assignments.
4125         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4126         (EXTRA_MULTILIB_PARTS): Define.
4127         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4128         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4129         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4130         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4131         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4132         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4133
4134 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4135
4136         PR tree-optimization/24226
4137         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4138         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4139         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4140         Export.
4141
4142 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4143
4144         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4145
4146 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4147
4148         PR target/24136
4149         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4150         Rewrite for no need for the early clobber.
4151
4152 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4153
4154         Merge from csl-arm-branch:
4155         2005-09-07  Paul Brook  <paul@codesourcery.com>
4156         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4157         space to string.
4158
4159         2005-04-30  Paul Brook  <paul@codesourcery.com>
4160         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4161         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4162
4163         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4164         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4165         (arm_override_options): Use TARGET_AAPCS_BASED.
4166         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4167         (PTRDIFF_TYPE): Use int for AAPCS.
4168         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4169         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4170         (DEFAULT_SHORT_ENUMS): Delete.
4171         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4172
4173         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4174         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4175         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4176         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4177
4178         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4179         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4180
4181         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4182         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4183
4184         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4185         * config.gcc (arm*-*-linux-gnueabi): Add it.
4186         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4187         redefining it.
4188         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4189         * config/arm/linux-eabi.h: New file.
4190         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4191         (LINUX_TARET_LINK_SPEC): Likewise.
4192         (LINK_SPEC): Use it.
4193         * config/arm/t-linux-eabi: New file.
4194
4195 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4196
4197         PR other/22202
4198         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4199         spaces.
4200         (PARAM_SMS_DFA_HISTORY): Likewise.
4201
4202 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4203
4204         PR middle-end/23150
4205         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4206         (load_register_parameters): Call it.
4207         (check_sibcall_argument_overlap_1): Likewise.
4208         (store_one_arg): Likewise.
4209
4210 2005-10-07  James E. Wilson  <wilson@specifix.com>
4211
4212         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4213         DImode not VECINT24 for operand 2.
4214
4215         PR target/23644
4216         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4217         -mtune-arch.
4218
4219         PR target/24193
4220         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4221         fr_spill): Use destination_operand for operand 0.
4222
4223 2005-10-07  DJ Delorie  <dj@redhat.com>
4224
4225         * varasm.c (output_constant): Limit error to expanding
4226         conversions.
4227
4228 2005-10-07  Richard Guenther  <rguenther@suse.de>
4229
4230         PR middle-end/24227
4231         * fold-const.c (fold_binary): Fix operand types during folding
4232         of X op (A, Y).  Evaluation order of the side-effects of
4233         X and A are frontend-defined, so ensure we honour that even for
4234         tcc_comparison class operands; eased by removing duplicate code.
4235
4236 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4237
4238         * stor-layout.c (layout_type): Do not allow alignment of array
4239         elements to be greater than their size.
4240
4241 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4242
4243         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4244         host_xmake_file.
4245         (hppa*-*-linux*): Ditto.
4246         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4247         * config/host-hpux.c: New.
4248         * config/x-hpux: New.
4249         * config/pa/x-hpux: Remove.
4250         * config/pa/x-linux: Remove.
4251         * config/pa/pa-host.c: Remove.
4252
4253 2005-10-07  Jeff Law  <law@redhat.com>
4254
4255         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4256         determine whether or not to try and thread outgoing edges.
4257
4258 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4259
4260         * config/rs6000/rs6000.md (eqsi_power): New.
4261         (neg_eq0si): Add TARGET_POWER to final condition.
4262         (neg_eqsi): Same.
4263
4264 2005-10-06  Richard Henderson  <rth@redhat.com>
4265
4266         * config/rs6000/rs6000.c: Revert last change.
4267
4268 2005-10-06  Richard Henderson  <rth@redhat.com>
4269
4270         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4271         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4272
4273 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4274
4275         PR middle-end/22216
4276         PR middle-end/23651
4277         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4278         out return_label and naked_return_label.
4279
4280 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4281
4282         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4283         change.
4284
4285 2005-10-06  Richard Henderson  <rth@redhat.com>
4286
4287         PR tree-opt/22237
4288         * tree-inline.c (declare_return_variable): Handle modify_dest not
4289         being a DECL.
4290
4291 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4292
4293         Fix PR tree-optimization/22488
4294         * tree-ssa-structalias.c (check_for_overlaps): New function.
4295         (create_variable_info_for): Use it.
4296
4297 2005-10-06  Richard Henderson  <rth@redhat.com>
4298
4299         PR debug/24070
4300         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4301         (dwarf2out_start_source_file): Print it.
4302
4303 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4304
4305         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4306
4307 2005-10-06  Richard Henderson  <rth@redhat.com>
4308
4309         PR 23706
4310         * mode-switching.c (optimize_mode_switching): Clear transp bit
4311         for block with incomming abnormal edges.
4312
4313         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4314         (fpscr_set_from_mem): Use them.
4315         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4316         (fpscr postinc splitters): Rewrite as peephole2+split.
4317
4318 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4319
4320         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4321         (eq<mode>_compare): Same.
4322
4323 2005-10-06  Richard Guenther  <rguenther@suse.de>
4324
4325         PR tree-optimization/24238
4326         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4327
4328 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4329
4330         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4331         here.  Use AC_PATH_PROG for environment variables instead of
4332         test -x.
4333         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4334         objdump also.
4335         * configure: Regenerated.
4336
4337 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4338
4339         PR target/23783
4340         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4341         then force it into a register.
4342         (call_value): Likewise.
4343
4344 2005-10-06  Richard Henderson  <rth@redhat.com>
4345
4346         PR 24049
4347         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4348         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4349         under pass_vectorize.
4350
4351 2005-10-05  Devang Patel  <dpatel@apple.com>
4352
4353         PR Debug/23205
4354         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4355         handling constants. Check NAMESPACE_DECL context for constants.
4356
4357 2005-10-05  Eric Christopher  <echristo@apple.com>
4358
4359         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4360
4361 2005-10-05  Richard Henderson  <rth@redhat.com>
4362
4363         PR 23714
4364         * tree-cfg.c (mark_array_ref_addressable_1): New.
4365         (mark_array_ref_addressable): New.
4366         * tree-flow.h (mark_array_ref_addressable): Declare.
4367         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4368
4369 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4370
4371         PR middle-end/20606
4372         PR middle-end/24069
4373         * reload.c (subst_reloads): When adding a REG_LABEL to a
4374         jump instruction, also update JUMP_LABEL.
4375
4376 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4377
4378         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4379         * bb-reorder.c (copy_bb_p): Use it.
4380         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4381
4382 2005-10-05  Richard Henderson  <rth@redhat.com>
4383
4384         PR target/23602
4385         * toplev.c (process_options): Warn about unsupported combinations
4386         of unwind tables and omit-frame-pointer.
4387         * config/i386/i386.c (override_options): Similarly.  Enable
4388         accumulate-outgoing-args if not explicitly disabled.
4389
4390 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4391
4392         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4393         Handle big endian vs. small endian.
4394         (vec_initv2sf): Handle big endian vs. small endian.
4395         (*vec_extractv2sf_1): Ditto.
4396
4397 2005-10-05  Dale Johannesen  <dalej@apple.com>
4398
4399         * convert.c (convert_to_real):  Don't convert
4400         (float)floor(double d) to floorf((float)d).
4401
4402 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4403
4404         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4405
4406 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4407
4408         PR tree-optimization/18587
4409         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4410         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4411         build_vuses): Change to VEC type.
4412         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4413         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4414         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4415         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4416         (get_name_decl): New.  Return DECL_UID of base variable.
4417         (operand_build_cmp): New.  qsort comparison routine.
4418         (operand_build_sort_virtual): New.  Sort virtual build vector.
4419         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4420         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4421         (FINALIZE_BASE): Use get_name_decl.
4422         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4423         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4424         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4425         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4426         direct VEC_* manipulations.
4427         (build_ssa_operands): Call operand_build_sort_virtual.
4428         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4429         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4430         with direct VEC_* manipulations.
4431         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4432         with direct VEC manipulations.
4433
4434 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4435
4436         PR tree-optimization/21419
4437         PR tree-optimization/24146
4438         PR tree-optimization/24151
4439
4440         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4441         (build_asm_expr): Call it if outputs are read-only.
4442         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4443
4444 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4445             Paolo Bonzini  <bonzini@gnu.org>
4446
4447         PR target/23809
4448
4449         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4450         enable the instructions and not just the built-ins.
4451         * doc/invoke.texi (x86 Options): Likewise.
4452
4453 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4454
4455         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4456
4457         * doc/invoke.texi (Option Summary): Correct spelling
4458         of -mmacosx-version-min.
4459
4460 2005-10-04  Devang Patel  <dpatel@apple.com>
4461
4462         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4463         real types.
4464
4465 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4466
4467         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4468         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4469
4470 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4471
4472         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4473         ("TE","tg"): New mode attributes.
4474         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4475         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4476         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4477         dword_mode and one for GPRmode.
4478
4479 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4480
4481         PR preprocessor/13726
4482         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4483         any comments passed in.
4484
4485 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4486
4487         * tree.c (annotate_with_file_line): Fix typo.
4488
4489 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4490
4491         PR ada/19382
4492         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4493         type used to access data in the inlined length == 1 case, use
4494         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4495         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4496
4497 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4498
4499         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4500         TARGET_SSE3 and only for TARGET_80387.
4501         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4502         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4503         Do not depend on TARGET_80387.
4504
4505 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4506
4507         * tree.c (last_annotated_node): Change type to location_t*.
4508         (annotate_with_file_line): Reflect the change of
4509         last_annotated_node type.
4510
4511 2005-10-04  Richard Guenther  <rguenther@suse.de>
4512
4513         PR c/23576
4514         * c-decl.c (grokdeclarator): Don't write to fields
4515         of error_mark_node.
4516
4517 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4518
4519         PR middle-end/23125
4520         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4521         register variables.
4522         * varasm.c (make_decl_rtl): If a register variable does not
4523         have a set user assmbler name, error out.
4524         Decode the asmspec is now name+1 bypassing '*'.
4525
4526 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4527
4528         PR tree-optimization/23049
4529         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4530         of a COND_EXPR is folded before calling fold on the whole rhs of a
4531         conditional assignment.
4532         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4533         document that a COND_EXPR may appear there.
4534
4535 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4536
4537         PR 23445
4538         * tree-vrp.c (extract_range_from_assert): If the new numeric
4539         range created out of the assertion contradicts the existing
4540         numeric range of the ASSERT_EXPR variable, make the new range
4541         varying.
4542
4543 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4544
4545         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4546         from T_REGS to FP register class.
4547
4548 2005-10-03  Richard Henderson  <rth@redhat.com>
4549
4550         PR 24135
4551         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4552         before creating a new one.
4553
4554 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4555
4556         * config/rs6000/t-aix43 (LDFLAGS): New.
4557         * config/rs6000/t-aix52 (LDFLAGS): New.
4558
4559 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4560
4561         * gimplify.c (find_single_pointer_decl_1): New static function.
4562         (find_single_pointer_decl): New static function.
4563         (internal_get_tmp_var): For a formal variable, set restrict base
4564         information if appropriate.
4565         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4566         return it.
4567         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4568         (DECL_GET_RESTRICT_BASE): Define.
4569         (SET_DECL_RESTRICT_BASE): Define.
4570         (decl_restrict_base_lookup): Declare.
4571         (decl_restrict_base_insert): Declare.
4572         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4573         * tree.c (restrict_base_for_decl): New static variable.
4574         (init_ttree): Initialize restrict_base_for_decl.
4575         (copy_node_stat): Copy restrict base information.
4576         (decl_restrict_base_lookup): New function.
4577         (decl_restrict_base_insert): New function.
4578         (print_restrict_base_statistics): New static function.
4579         (dump_tree_statistics): Call print_restrict_base_statistics.
4580
4581 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4582
4583         PR 24142
4584         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4585         case of anti-ranges.
4586
4587 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4588
4589         PR c/18851
4590         * c-typeck.c (tagged_tu_seen): Rename to ...
4591         (tagged_tu_seen_cache): this and add val field.
4592         (comptypes): Move functional to comptypes_internal
4593         and free tagged_tu_seen.
4594         (comptypes_internal): New function and call comptypes_internal
4595         instead of comptypes. Speed up by sibcalling
4596         tagged_types_tu_compatible_p.
4597         (alloc_tagged_tu_seen): New function
4598         (free_all_tagged_tu_seen_up_to): New function.
4599         (tagged_types_tu_compatible_p): Return the val of the seen two
4600         types.
4601         Add that the two types are the same to tagged_tu_seen_base
4602         if they are and call comptypes_internal instead of comptypes.
4603         <case UNION_TYPE>: Speed up common type where the fields are
4604         in the same order.
4605         (function_types_compatible_p): Call comptypes_internal instead of
4606         comptypes.
4607         (type_lists_compatible_p): Likewise.
4608         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4609
4610 2005-10-02  Matthias Klose  <doko@debian.org>
4611
4612         * doc/invoke.texi: Fix typo and speling error.
4613
4614 2005-10-01  Richard Henderson  <rth@redhat.com>
4615
4616         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4617
4618 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4619
4620         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4621         using --start-group and --end-group.
4622
4623 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4624
4625         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4626         FIXME note regarding quirky semantics.
4627
4628 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4629
4630         PR 24141
4631         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4632         non-null range as a last resort.
4633
4634 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4635             Diego Novillo  <dnovillo@redhat.com>
4636
4637         PR 23604
4638         * tree-vrp.c (extract_range_from_assert): For !=
4639         assertions, only build an anti-range if LIMIT is a
4640         single-valued range.
4641
4642 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4643
4644         * arm.md (movqi): On thumb when optimizing, handle loading from
4645         memory by describing this as taking a subreg of a zero-extended load
4646         into an SImode register.
4647         (movhi): Likewise.
4648
4649 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4650
4651         * reload1.c (merge_assigned_reloads): Do not change any
4652         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4653
4654 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4655
4656         * Makefile.in (LIPO_FOR_TARGET): Define.
4657         (STRIP_FOR_TARGET): Define.
4658
4659         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4660         before creating new ones.  Do symlinks before creating the actual
4661         targets.
4662
4663         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4664         to work out which multilibs are actually being built.
4665
4666 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4667
4668         * tree-vect-transform.c, config/ms1/ms1.md,
4669         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4670         Follow spelling conventions.
4671         * doc/invoke.texi, doc/md.texi: Fix typos.
4672
4673 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4674
4675         PR tree-optimization/21430
4676         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4677         use operands, and set stmt pointer if need be.
4678         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4679         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4680         present.
4681
4682 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4683
4684         PR middle-end/24053
4685         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4686
4687 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4688
4689         * optabs.c (expand_binop): Initialize first_pass_p.
4690
4691 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4692
4693         PR middle-end/24109
4694         * c-decl.c (c_write_global_declarations_1): If any
4695         wrapup_global_declaration_2 call returned true, restart the loop.
4696
4697 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4698
4699         Fix PR tree-optimization/24117
4700         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4701         before considering whether to use anyoffset.
4702
4703 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4704
4705         Revert this patch:
4706
4707         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4708
4709         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4710         to order operands.
4711         (swap_commutative_operands_with_target): New.
4712
4713 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4714
4715         PR c/21419
4716         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4717         read-only.
4718
4719 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4720
4721         PR tree-optimization/23911
4722         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4723         and IMAGPART_EXPR too.
4724
4725 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4726
4727         PR 17886
4728         * expmed.c (expand_shift): Move logic to reverse rotation
4729         direction when  rotating by constants ...
4730         * optabs.c (expand_binop): ... here.
4731         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4732         (ix86_rotrdi3): New pattern.
4733         (rotldi3): Handle 32-bit mode.
4734         (ix86_rotldi3): New pattern.
4735
4736 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4737
4738         PR target/24102
4739         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4740         check for numbers that need no bit twiddle.
4741
4742 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4743
4744         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4745         multilib to be built.
4746
4747         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4748         (stage1-start): Delete old libgcc and libunwind before moving
4749         anything into the stage directory.
4750         (stage2-start): Likewise.
4751         (stage3-start): Likewise.
4752         (stage4-start): Likewise.
4753         (stageprofile-start): Likewise.
4754         (stagefeedback-start): Likewise.
4755         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4756         header in tm_file and CPU-specific t-darwin in tmake_file.
4757         (i[34567]86-*-darwin*): Don't change tm_file.
4758         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4759         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4760         shared library stub for target OS version.
4761         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4762         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4763         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4764         (libgcc_s.%.dylib): New.
4765         (LIBGCC): Define.
4766         (install-darwin-libgcc-stubs): New.
4767         (INSTALL_LIBGCC): New append.
4768         * config/i386/darwin-libgcc.10.4.ver: New.
4769         * config/i386/darwin-libgcc.10.5.ver: New.
4770         * config/i386/t-darwin: New.
4771         * config/rs6000/darwin-libgcc.10.4.ver: New.
4772         * config/rs6000/darwin-libgcc.10.5.ver: New.
4773         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4774         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4775
4776 2005-09-28  Paul Brook  <paul@codesourcery.com>
4777
4778         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4779         denormals.
4780
4781 2005-09-28  Richard Guenther  <rguenther@suse.de>
4782
4783         PR tree-optimization/23853
4784         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4785         host_integerp to verify misalignment value.
4786
4787 2005-09-28  Richard Henderson  <rth@redhat.com>
4788
4789         * builtins.c (get_builtin_sync_mode): New.
4790         (expand_builtin_sync_operation): Pass in mode argument.
4791         (expand_builtin_compare_and_swap): Likewise.
4792         (expand_builtin_lock_test_and_set): Likewise.
4793         (expand_builtin_lock_release): Likewise.
4794         (expand_builtin): Update to match.
4795
4796 2005-09-28  Nick Clifton  <nickc@redhat.com>
4797
4798         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4799         formatting.  Add check to PLUS case to ensure that the offset is
4800         within an acceptable range.
4801
4802         * config/v850/v850.md (casesi): Disable the generation of the
4803         switch pattern as it is not being handled properly at the moment.
4804
4805         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4806         for when the high words are identical.
4807
4808 2005-09-27  Richard Henderson  <rth@redhat.com>
4809
4810         * pretty-print.c (pp_base_format): Fix typo for %>.
4811
4812 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4813             Devang Patel  <dpatel@apple.com>
4814
4815         PR tree-optimization/23625
4816         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4817         LABEL_EXPR, assertion check.
4818
4819 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4820
4821         * optabs.c (no_conflict_move_test): Check if a result of a
4822         to-be-moved insn would be clobbered by an originally
4823         preceding insn.
4824
4825 2005-09-27  Jeff Law  <law@redhat.com>
4826
4827         * passes.c (init_optimization_passes): Replace copy propagation
4828         passes immediately after DOM with phi-only copy propagation
4829         pases.  Add phi-only copy propagation pass after first DOM pass.
4830         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4831         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4832         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4833         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4834         to init_copy_prop.  Callers updated.
4835         (do_phi_only_copy_prop): New function.
4836         (pass_phi_only_copy_prop): New pass descriptor.
4837
4838 2005-09-27  Nick Clifton  <nickc@redhat.com>
4839
4840         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4841
4842 2005-09-26  Jason Merrill  <jason@redhat.com>
4843
4844         PR c++/13764
4845         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4846
4847         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4848
4849 2005-09-26  James E Wilson  <wilson@specifix.com>
4850
4851         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4852         copyright.  Add gcc copyright plus libgcc exception.
4853         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4854         copyright.
4855         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4856
4857 2005-09-26  Jeff Law  <law@redhat.com>
4858
4859         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4860         about when to iterate.
4861
4862 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4863
4864         PR target/23847
4865         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4866         for __complex__ double in -mcpu=G5 mode.
4867
4868 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4869
4870         PR tree-optimization/23942
4871         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4872         * tree-scalar-evolution.c: Include params.h.
4873         (t_bool): New enum.
4874         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4875         follow_ssa_edge_in_condition_phi_branch,
4876         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4877         Change return type to t_bool.  Use a parameter to limit the size of
4878         trees that are walked before stopping
4879         (analyze_evolution_in_loop): Initialize the limit to 0.
4880         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4881         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4882
4883 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4884
4885         PR middle-end/23831
4886         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4887         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4888
4889 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4890
4891         * combine.c (make_extraction): Check for valid use of subreg.
4892
4893 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4894
4895         PR target/24055
4896         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4897         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4898         ("fist<mode>2_with_temp"): Use only register operands.
4899
4900 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4901
4902         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4903         CALL_INSN_FUNCTION_USAGE.
4904
4905 2005-09-26  Richard Guenther  <rguenther@suse.de>
4906
4907         PR middle-end/15855
4908         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4909         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4910         (ldst_entry): Use the hashtable instead of list-walking.
4911         (find_rtx_in_ldst): Likewise.
4912         (free_ldst_entry): Free the hashtable.
4913         (compute_ld_motion_mems): Create the hashtable.
4914         (trim_ld_motion_mems): Remove entry from hashtable if
4915         removing it from list.
4916         (compute_store_table): Likewise^2.
4917         (store_motion): Free hashtable in case we did not see
4918         any stores.
4919
4920 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4921
4922         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4923         and arg1 if we are passing them to fold_build2.
4924
4925 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4926
4927         PR 23828
4928         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4929         a nested function.
4930
4931 2005-09-25  Richard Henderson  <rth@redhat.com>
4932
4933         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4934         SYMBOL_REF_TLS_MODEL to be correct.
4935
4936 2005-09-24  Richard Henderson  <rth@redhat.com>
4937
4938         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4939         end of function.  Reindent.
4940
4941 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4942
4943         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4944         NEGATE_EXPR/BIT_NOT_EXPR case.
4945
4946 2005-09-24  Richard Henderson  <rth@redhat.com>
4947
4948         * c-common.c (handle_mode_attribute): When not modifying in place,
4949         create subtypes for enumerations.
4950         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4951         * gimplify.c (create_tmp_from_val): Likewise.
4952
4953 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4954
4955         * config/i386/i386.md (*tls_global_dynamic_64,
4956         *tls_local_dynamic_base_64): Add missing mode to call.
4957         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4958
4959 2005-09-24  Jan Hubicka  <jh@suse.cz>
4960
4961         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4962         (cgraph_clone_node): Likewise.
4963         * cgraph.h (cgraph_clone_edge): Update prototype.
4964         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4965         duplicated prototypes; add updating argument.
4966         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4967         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4968         updating profile.
4969         (cgraph_mark_inline_edge): Likewise.
4970         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4971         (cgraph_flatten_node): Likewise.
4972         (cgraph_decide_recursive_inlining): Likewise.
4973         (cgraph_decide_inlining_of_small_function): Likewise.
4974         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4975
4976 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4977             Pete Steinmetz <steinmtz@us.ibm.com>
4978
4979         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4980         (rldic.): Set type to "compare".
4981         (rldicr.): Same.
4982         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4983         mfjmpr for MFCTR/MFLR.
4984         (movdf_hardfloat64): Same.
4985         (movdf_softfloat64): Same.  Correct order of store and move types.
4986         (movti_string): Set type to store_ux/load_ux.
4987         (load_multiple): Set type to load_ux.
4988         (store_multiple): Set type to store_ux.
4989         (movmemsi): Set type to store_ux.
4990         (output_cbranch direct_return): Set type to jmpreg.
4991         (stmw): Set type to store_ux.
4992         (lmw): Set type to load_ux.
4993         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4994         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4995         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4996         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4997         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4998         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4999         (rios1-fpstore): Increase latency to 3.
5000         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5001         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5002
5003 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5004             Andrew Pinski  <pinskia@physics.uc.edu>
5005
5006         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5007         operand2 constraint to "b".
5008         (sync_<fetchop_name>di_internal): Same.
5009         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5010         to "b".
5011         (sync_old_<fetchop_name>di_internal): Same.
5012         (sync_new_<fetchop_name>si_internal): Same.
5013         (sync_new_<fetchop_name>di_internal): Same.
5014
5015 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5016
5017         PR middle-end/23991
5018         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5019         case, define as macros.
5020
5021         PR rtl-optimization/23837
5022         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5023         clobber / clobber match between dest and p->first.
5024
5025         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5026         (no_conflict_move_test): Update comments.
5027
5028 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5029
5030         * doc/install.texi: Update URL for Jacks.
5031         * doc/sourcebuild.texi: Likewise.
5032
5033 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5034
5035         PR target/24007
5036         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5037         registers when choosing register preferences.
5038         (movdf_hardfloat64): Same.
5039
5040 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5041
5042         * expmed.c (expand_shift): Don't use the target of the rotate as
5043         target for the first expanded shift insn.
5044         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5045
5046 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5047
5048         PR tree-optimization/22438
5049         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5050         preserved iv rhs rewriting specially.
5051
5052 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5053
5054         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5055         estimate_only  is true.
5056         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5057         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5058         tree-ssa-structalias.c
5059         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5060         ref_contains_indirect_ref.
5061         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5062
5063 2005-09-21  DJ Delorie  <dj@redhat.com>
5064
5065         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5066         MASK_PTR_A0D0.
5067         (mn10300_return_in_memory): Support variable size types also.
5068         (mn10300_pass_by_reference): Likewise.
5069         (mn10300_function_value): New.
5070         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5071         (FUNCTION_OUTGOING_VALUE): Likewise.
5072         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5073         * doc/invoke.texi: Document it.
5074
5075 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5076
5077         PR target/22585
5078         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5079         force integer op1 into register for XFmode compares.
5080
5081 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5082
5083         PR middle-end/23971
5084         * expmed.c (alg_code): Add alg_impossible.
5085         (alg_hash_entry): Add cost.
5086         (synth_mult): Record alg_impossible in the hash table if
5087         multiplication by a given integer is impossble within the
5088         limit.  Speed up using alg_impossible.
5089
5090 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5091
5092         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5093         argument.  Allow and set any offset if needs_anyoffset is passed
5094         in.
5095         (get_constraint_for): Add argument here too.
5096         Pass it down.
5097         (do_structure_copy): Pass NULL to get_constraint_for.
5098         (handle_ptr_arith): Ditto.
5099         (find_func_aliases): Ditto.
5100
5101 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5102
5103         PR rtl-optimization/23898
5104         * output.h (get_attr_min_length): Declare.
5105         * final.c (get_attr_length_1): New function, broken out of:
5106         (get_attr_length).
5107         (get_attr_min_length): New function.
5108         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5109         (duplicate_computed_gotos): Likewise.
5110         * genattr.c (insn_min_length): Generate declaration.
5111         * genattrtab.c (min_fn, min_attr_value): New functions.
5112         (make_length_attrs): Generate insn_min_length.
5113
5114 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5115
5116         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5117
5118 2005-09-20  Richard Henderson  <rth@redhat.com>
5119
5120         PR tree-optimization/24059
5121         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5122         EXPAND_STACK_PARM.
5123
5124 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5125
5126         * c.opt (fextended-identifiers): New.
5127         * c-opts.c (c_common_handle_option): Handle
5128         -fextended-identifiers.
5129         * doc/cpp.texi: Update documentation of extended identifiers.
5130         * doc/cppopts.texi (-fextended-identifiers): Document.
5131
5132 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5133
5134         PR tree-optimization/23929
5135         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5136         if expr is NULL.
5137
5138         PR tree-optimization/23818
5139         * tree-stdarg.c (execute_optimize_stdarg): Call
5140         calculate_dominance_info.
5141
5142 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5143
5144         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5145         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5146         (compute_overlap_steps_for_affine_1_2): Use
5147         get_number_of_iters_for_loop.
5148         (analyze_subscript_affine_affine): Check whether difference is
5149         zero first.
5150         Use get_number_of_iters_for_loop.
5151         Check whether overlap occurs outside of bounds.
5152         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5153
5154 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5155
5156         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5157         base register if possible.
5158
5159 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5160
5161         PR tree-optimization/18463
5162         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5163         converting it directly is not possible.
5164         (chrec_convert_aggressive): New function.
5165         * tree-chrec.h (chrec_convert_aggressive): Declare.
5166         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5167         Fold chrec conversions aggressively if asked to.
5168         (instantiate_parameters): Modified because of changes in
5169         instantiate_parameters_1.
5170
5171 2005-09-19  Richard Henderson  <rth@redhat.com>
5172
5173         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5174         (reduc_splus_v2df): New.
5175
5176 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5177
5178         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5179         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5180
5181 2005-09-19  Richard Henderson  <rth@redhat.com>
5182
5183         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5184         vcondu<SSEMODE12>.
5185
5186 2005-09-19  Richard Henderson  <rth@redhat.com>
5187
5188         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5189         (ia64_expand_dot_prod_v8qi): New.
5190         * config/ia64/ia64-protos.h: Update.
5191         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5192         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5193         sdot_prodv8qi, sdot_prodv4hi): New.
5194         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5195
5196 2005-09-19  Richard Henderson  <rth@redhat.com>
5197
5198         PR 23941
5199         * real.c (exact_real_truncate): Return false if the format cannot
5200         represent the number as a normal.
5201
5202         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5203         for a memory source.
5204
5205 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5206
5207         * tree-ssa-operands.c (swap_tree_operands): Export.
5208         * tree.h (swap_tree_operands): Declare.
5209         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5210         Call swap_tree_operands.
5211
5212 2005-09-19  Richard Henderson  <rth@redhat.com>
5213
5214         * tree-flow.h (merge_alias_info): Declare.
5215         * tree-ssa-copy.c (merge_alias_info): Export.
5216         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5217         (vect_create_data_ref_ptr): Use create_iv directly.
5218         (vectorizable_load): Use correct types for integer constants.
5219         (vect_generate_tmps_on_preheader): Likewise.
5220         (vect_gen_niters_for_prolog_loop): Likewise.
5221
5222 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5223
5224         PR rtl-optimization/23943
5225         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5226
5227 2005-09-18  Jan Hubicka  <jh@suse.cz>
5228
5229         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5230
5231 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5232
5233         * varasm.c (output_constant): Do not abort on conversions to union
5234         types between different sizes.
5235
5236 2005-09-18  Richard Guenther  <rguenther@suse.de>
5237
5238         PR middle-end/23944
5239         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5240         fallback.
5241
5242 2005-09-18  Paul Brook  <paul@codesourcery.com>
5243
5244         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5245
5246 2005-09-17  Richard Henderson  <rth@redhat.com>
5247
5248         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5249         * tree-ssa-loop.c (pass_vect_dce): Remove.
5250         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5251         of pass_vectorize.
5252
5253 2005-09-17  Richard Henderson  <rth@redhat.com>
5254
5255         * tree-pass.h (pass_vect_dce): Declare.
5256         * passes.c (init_optimization_passes): Add it.
5257         * tree-flow.h (tree_ssa_dce): Declare.
5258         * tree-ssa-dce.c (tree_ssa_dce): Export.
5259         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5260         (gate_tree_vectorize): ... here.
5261         (pass_vect_dce): New.
5262
5263 2005-09-17  Jan Hubicka  <jh@suse.cz>
5264
5265         * except.c (struct eh_status): Turn region_array into vec.
5266         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5267         convert_from_eh_region_ranges, find_exception_handler_labels,
5268         current_function_has_exception_handlers, assign_filter_values,
5269         build_post_landing_pads, dw2_build_landing_pads,
5270         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5271         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5272         foreach_reachable_handler, can_throw_internal_1,
5273         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5274         region_array.
5275         (duplicate_eh_region_1): Update region_array.
5276         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5277
5278 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5279
5280         PR middle-end/22067
5281         * expmed.c (expand_mult): Substitute simple register for op0 when
5282         computing max_cost.
5283
5284 2005-09-17  Richard Henderson  <rth@redhat.com>
5285
5286         * expr.c (emit_move_via_integer): Add force argument, pass it on
5287         to emit_move_change_mode.  Update callers.
5288         (emit_move_complex): Pass true to new force argument.
5289         * function.c (expand_function_end): Move expand_eh_return call
5290         earlier.  Merge sub-word complex values into a pseudo before
5291         copying to the return hard register.
5292
5293 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5294
5295         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5296         between different sizes.
5297
5298 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5299
5300         PR 23903
5301
5302         * passes.c (init_optimization_passes): Register dump files for
5303         IPA passes first.
5304
5305 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5306
5307         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5308         * config/s390/s390.c (s390_overlap_p): New function.
5309         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5310         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5311         condition.
5312
5313 2005-09-16  Richard Guenther  <rguenther@suse.de>
5314
5315         * ipa-pure-const.c (static_execute): Free auxiliar information.
5316         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5317         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5318
5319 2005-09-15  DJ Delorie  <dj@redhat.com>
5320
5321         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5322
5323 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5324
5325         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5326         to order operands.
5327         (swap_commutative_operands_with_target): New.
5328
5329 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5330
5331         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5332         parameter.
5333         Update callers.
5334         (estimate_iters_using_array): New function.
5335         * tree-data-ref.h (estimate_iters_using_array): Prototype
5336         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5337         Use estimate_iters_using_array instead of analyze_array.
5338
5339 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5340
5341         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5342         as addressable.
5343
5344 2005-09-15  Michael Matz  <matz@suse.de>
5345
5346         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5347
5348 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5349
5350         PR tree-optimization/23835
5351         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5352         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5353
5354 2005-09-14  Richard Henderson  <rth@redhat.com>
5355
5356         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5357         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5358
5359 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5360
5361         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5362         in the ARRAY_TYPE case.
5363
5364 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5365
5366         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5367
5368 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5369
5370         PR middle-end/22480
5371         * tree-vect-transform.c (vectorizable_operation): Return false for
5372         scalar shift operations and for vector shift operations with
5373         non-invariant shift arguments.  Use scalar tree operand op1 as
5374         a shift operand when vector shift insn pattern uses scalar shift
5375         operand.
5376         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5377
5378 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5379
5380         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5381         value if it has side-effects.
5382
5383 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5384
5385         PR target/22068
5386         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5387
5388 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5389
5390         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5391         passed as NAME as if it were label at start of function code.
5392
5393 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5394
5395         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5396         the constraints.
5397
5398 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5399
5400         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5401         as early clobber.  Rewrite so the PIC register is not implicitly used.
5402
5403 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5404
5405         * tree.c (annotate_with_file_line): Compare line numbers before
5406         file names.
5407
5408 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5409
5410         PR target/23816
5411         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5412         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5413
5414 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5415
5416         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5417         than a HOST_WIDEST_INT to gen_doloop_begin.
5418
5419 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5420
5421         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5422
5423 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5424
5425         PR tree-optimize/23817
5426         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5427
5428 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5429
5430         PR target/23774
5431         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5432         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5433         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5434         (restore_stack_nonlocal): Likewise.
5435         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5436
5437 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5438
5439         PR g++/7874
5440         * c.opt (ffriend-injection): New C++ option.
5441         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5442         (C++ Dialect Options): Document -ffriend-injection.
5443
5444 2005-09-12  Josh Conner  <jconner@apple.com>
5445
5446         PR middle-end/23237
5447         * ipa-reference.c (static_execute): Don't mark variables in
5448         named sections TREE_READONLY.
5449
5450 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5451
5452         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5453         stack_tie.
5454
5455 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5456
5457         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5458         V_MUST_DEF instead of just the first_use_p.
5459         Don't mark the virtual variables for renaming on the statement which
5460         is being removed.
5461         (pass_dse): Remove TODO_update_ssa.
5462
5463 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5464
5465         PR middle-end/23290
5466         * stor-layout.c (compute_record_mode): For records with a single
5467         field, actually check the field's mode size against the type size.
5468
5469         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5470         registers for TARGET_SHMEDIA.
5471         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5472         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5473         of GENERAL_REGS and FP_REGS.
5474
5475 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5476
5477         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5478
5479 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5480
5481         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5482         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5483         are omitted.  Exclude stack_tie insn too.
5484
5485 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5486
5487         PR rtl-optimization/23098
5488         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5489         0.0f is easy.
5490         * config/rs6000/rs6000.md (movdf splitter): Use
5491         const_double_operand predicate for TARGET_POWERPC64.
5492         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5493         SYMBOL_REF method to ABI_V4.
5494
5495         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5496         replace_equiv_address.
5497         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5498         rs6000_sr_alias_set and MEM_NOTRAP.
5499         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5500
5501 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5502
5503         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5504         handle CALL_EXPR again.
5505
5506 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5507
5508         * arm/predicates.md (alignable_memory_operand): Delete.
5509
5510 2005-09-10  Richard Henderson  <rth@redhat.com>
5511
5512         PR debug/23806
5513         * dbxout.c (dbxout_expand_expr): New.
5514         (dbxout_symbol): Use it.
5515
5516 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5517
5518         * arm.c (arm_gen_rotated_half_load): Delete.
5519         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5520         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5521         (thumb_set_return_address): Likewise.
5522         (thumb_load_double_from_address): Use adjust_address.
5523         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5524         (extendhsisi2_mem, movhi_bytes): Use change_address.
5525         (movhi): Use widen_memory_access.
5526         (reload_out_df): Use replace_equiv_address.
5527         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5528
5529 2005-09-09  Richard Henderson  <rth@redhat.com>
5530
5531         PR debug/20998
5532         * dbxout.c: Include expr.h.
5533         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5534         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5535         * Makefile.in (dbxout.o): Add EXPR_H.
5536
5537 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5538
5539         PR tree-optimization/23509
5540         * tree-cfg.c (replace_uses_by): Use replace_exp.
5541         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5542         pointers have name_mem_tag or type_mem_tag set.
5543
5544 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5545
5546         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5547         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5548         of wrongly accessing operands.
5549
5550 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5551
5552         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5553         * tree-chrec.c: Include tree-scalar-evolution.h.
5554         (chrec_convert): Instantiate the base and step before calling
5555         scev_probably_wraps_p that would fail on parametric evolutions.
5556         Collect all the fails into a single section failed_to_convert,
5557         print a diagnostic, and return chrec_dont_know instead of calling
5558         fold_convert.
5559         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5560         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5561         phi nodes.
5562         (scev_const_prop): Don't replace the definition of a loop closed ssa
5563         phi node by itself, or by another loop closed ssa phi node.
5564         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5565         that base and step are defined.
5566
5567 2005-09-09  Richard Guenther  <rguenther@suse.de>
5568
5569         PR c++/23624
5570         * fold-const.c (fold_ternary): Check truth_value_p before
5571         calling invert_truthvalue.
5572
5573 2005-09-09  Nick Clifton  <nickc@redhat.com>
5574
5575         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5576         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5577         dimension of these arrays.
5578         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5579         these arrays.
5580         * longlong.h: Only provide a prototype for the __clz_tab[] array
5581         if this header has not been included from libgcc2.h.
5582         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5583         defining own types.
5584         Provide prototypes for exported functions.
5585         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5586         libgcc2.c.
5587
5588 2005-09-08  Josh Conner  <jconner@apple.com>
5589
5590         PR c++/21135
5591         PR c++/23180
5592         * expr.c (expand_expr_addr_expr_1): Don't invoke
5593         expand_simple_binop for EXPAND_INITIALIZER.
5594
5595 2005-09-08  Richard Henderson  <rth@redhat.com>
5596
5597         PR debug/23190
5598         * toplev.c (wrapup_global_declaration_1): Split out ...
5599         (wrapup_global_declaration_2): ... from ...
5600         (wrapup_global_declarations): ... here.  Return bool.
5601         (check_global_declaration_1): Split out ...
5602         (check_global_declarations): from here.
5603         (emit_debug_global_declarations): New.
5604         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5605         check_global_declaration_1, emit_debug_global_declarations): Declare.
5606         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5607         of decls.  Call wrapup_global_declaration_1,
5608         wrapup_global_declaration_2, check_global_declaration_1 directly.
5609         (c_write_global_declarations_2): New.
5610         (ext_block): New.
5611         (c_write_global_declarations): Call c_write_global_declarations_2.
5612         * langhooks.c (write_global_declarations): Call
5613         emit_debug_global_declarations.
5614
5615         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5616         remove decls that have DECL_RTL_SET_P.
5617         * passes.c (rest_of_decl_compilation): Invoke
5618         cgraph_varpool_finalize_decl for all but functions.
5619
5620 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5621
5622         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5623         the result of a conversion if the new min and max cannot be compared.
5624
5625 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5626
5627         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5628         (override_options): Setting s390_sr_alias_set removed.
5629         (save_fpr, save_gprs): Set alias set to vararg or frame.
5630         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5631         s390_sr_alias_set with get_frame_alias_set ().
5632         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5633         get_varargs_alias_set ().
5634
5635 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5636
5637         PR objc/20574
5638         PR objc/19324
5639         * c-parser.c (c_parser_objc_method_definition): If the next
5640         token is not "{", error out and don't start the function.
5641
5642 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5643
5644         * tree-vrp.c (extract_range_from_expr): Move the check for non
5645         nullness after the check for gimple invariant.
5646
5647 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5648
5649         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5650
5651 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5652
5653         PR target/23747
5654         * config/m32r.md (movmemsi_internal): Canonicalize order of
5655         operands in PLUS component of template.
5656
5657 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5658
5659         * reload1.c (fixup_eh_region_note): Remove assertion.
5660         (fixup_abnormal_edges): Reverted removal of call to
5661         find_many_sub_basic_blocks made on 2005-08-31.
5662
5663 2005-09-07  Richard Henderson  <rth@redhat.com>
5664
5665         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5666         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5667         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5668         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5669         rearrange for better packing.
5670         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5671         (lookup_cfa_1): Remove inline marker.
5672         (cfa_equal_p): Split out of ...
5673         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5674         (build_cfa_loc): Handle !cfa->indirect.
5675         (frame_pointer_cfa_offset): New.
5676         (dbx_reg_number): Assert register elimination performed; do
5677         leaf register remapping.
5678         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5679         (eliminate_reg_to_offset): New.
5680         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5681         for verifiably local stack frame addresses; re-base to CFA.
5682         (mem_loc_descriptor): Remove can_use_fbreg argument.
5683         (concat_loc_descriptor, loc_descriptor): Likewise.
5684         (containing_function_has_frame_base): Remove.
5685         (rtl_for_decl_location): Don't do register elimination or
5686         leaf register remapping here.
5687         (secname_for_decl): Split out from ..
5688         (add_location_or_const_value_attribute): ... here.
5689         (convert_cfa_to_loc_list): New.
5690         (compute_frame_pointer_to_cfa_displacement): New.
5691         (gen_subprogram_die): Use them.
5692         * tree.h (frame_base_decl): Remove.
5693         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5694         (prologue_stack_adjust): Remove.
5695         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5696         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5697         (set_frame_base_location): Remove.
5698         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5699         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5700         (vt_add_function_parameters): Don't eliminate_regs.
5701         (vt_initialize): Don't create frame_base_decl.
5702
5703 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5704
5705         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5706         version of GNU binutils for 4.x and later.
5707
5708 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5709
5710         * ggc-page.c (ggc_push_context): Remove.
5711         (ggc_pop_context): Likewise.
5712         * ggc.h (ggc_push_context): Remove.
5713         (ggc_pop_context): Likewise.
5714
5715 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5716
5717         PR target/8973
5718         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5719         returning from an interrupt handler.
5720
5721 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5722
5723         PR target/8972
5724         * config/arc/arc.c (output_shift): Add check for loop count when
5725         optimizing.
5726
5727 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5728
5729         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5730         form manually.
5731         (abs_replacement): Likewise.
5732         (pass_phiopt): Remove TODO_update_ssa.
5733
5734 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5735
5736         PR c/23075
5737         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5738         if "return with no value, in function returning non-void" warning
5739         has been issued.
5740         * tree-cfg.c (execute_warn_function_return): Don't look at
5741         RETURN_EXPRs with TREE_NO_WARNING set.
5742
5743         PR target/22362
5744         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5745         for internal functions doesn't use registers used by global registers
5746         variables.  Use fewer register parameters if there are global register
5747         variables.
5748
5749 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5750             Eric Botcazou  <ebotcazou@adacore.com>
5751
5752         PR middle-end/14997
5753         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5754         when we would be extracting outside its bit span (bitpos+bitsize
5755         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5756         Ada unchecked conversions.
5757
5758 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5759
5760         * tree-ssa-pre.c (try_look_through_load): New function.
5761         (compute_avail): Use it to try to look through loads for some
5762         more useful expressions.
5763
5764 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5765
5766         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5767         condition for detecting cases like (a&a) and (a^a).
5768
5769 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5770
5771         * common.opt: Add option ftree-vect-loop-version.
5772         * params.def: Add --param vect-max-version-checks.
5773         * doc/invoke.texi: Document ftree-vect-loop-version and
5774         --param vect-max-version-checks.
5775         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5776         may_misalign_stmts and defines for accessors.
5777         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5778         LOOP_VINFO_MAY_MISALIGN_STMTS.
5779         (destroy_loop_vec_info): VEC_free for
5780         LOOP_VINFO_MAY_MISALIGN_STMTS.
5781         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5782         Update documentation.
5783         (vect_update_misalignment_for_peel): New.
5784         (vect_enhance_data_refs_alignment): Update to choose loop
5785         peeling or loop versioning if appropriate for the (potentially)
5786         unaligned data references in the loop.
5787         (vect_analyze_data_refs_alignment): Remove call to
5788         vect_enhance_data_refs_alignment so the checks can be done
5789         earlier.
5790         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5791         and move up call to vect_analyze_data_refs_alignment.
5792         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5793         (vect_transform_loop): Add call to loop_version.
5794
5795 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5796
5797         PR rtl-optimization/23098
5798         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5799         * simplify-rtx.c (constant_pool_reference_p): New function.
5800         * rtl.h (constant_pool_reference_p): New prototype.
5801         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5802         constant_pool_reference_p in condition and
5803         avoid_constant_pool_reference in preparation statements.
5804
5805 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5806
5807         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5808         STRICT_LOW_PART SETs.
5809
5810 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5811
5812         PR middle-end/21460
5813         * except.c (sjlj_emit_function_enter): Find the function begin
5814         note even when it's not in first basic block.
5815
5816 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5817
5818         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5819         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5820         * aclocal.m4: Regenerate.
5821
5822 2005-09-05  DJ Delorie  <dj@redhat.com>
5823
5824         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5825         of macro.
5826
5827 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5828
5829         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5830         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5831         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5832         Follow spelling conventions.
5833         * doc/invoke.texi: Follow spelling conventions.
5834
5835 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5836
5837         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5838         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5839         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5840
5841 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5842
5843         PR target/23683
5844         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5845         (output_stack_adjust): Use gen_tmp_stack_mem.
5846         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5847         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5848         (sh_get_pr_initial_val): Likewise.
5849         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5850         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5851         * sh.md (divsi_inv_m0): Use gen_const_mem.
5852         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5853         (movdf_i4+1): Use gen_tmp_stack_mem.
5854         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5855         (fpu_switch+2): Likewise.
5856         (movv4sf_i, movv16sf_i): Use adjust_address.
5857         (symGOT_load): Set MEM_NOTRAP_P bit.
5858
5859 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5860
5861         PR target/23721
5862         * pa.c (emit_move_sequence): Fix typo in last change.
5863
5864 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5865
5866         PR rtl-optimization/23454
5867         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5868         is true.
5869
5870 2005-09-03  Richard Henderson  <rth@redhat.com>
5871             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5872
5873         PR middle-end/23671
5874         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5875         gen_rtx_MEM.
5876
5877 2005-09-02  Nicolas Pitre <nico@cam.org>
5878
5879         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5880         to bit_count to 32 bits.
5881
5882 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5883
5884         PR c++/23167
5885         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5886         generating synthetic loads from volatile lvalues.
5887
5888 005-09-02  Nick Clifton  <nickc@redhat.com>
5889
5890         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5891         __ctzhi2, __clzhi2): New functions.
5892
5893 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5894
5895         PR middle-end/23547
5896         * tree-nested.c (struct var_map_elt): Mark with GTY.
5897         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5898         var_map_elt.
5899         (lookup_field_for_decl): Allocate new element in GC memory.
5900         (lookup_tramp_for_decl): Likewise.
5901         (convert_nl_goto_reference): Likewise
5902         (create_nesting_tree): Allocate info in GC memory. Likewise for
5903         info->var_map.
5904         (free_nesting_tree): Free with ggc_free instead of free.
5905         (root): New static variable.
5906         (lower_nested_functions): Remove root as local variable.  And zero out
5907         root at the end of the function.
5908
5909 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5910
5911         PR rtl-optimization/20365
5912         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5913         to short.  New member ix.
5914         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5915         (simplify_plus_minus): Initialize ix members before calling qsort.
5916
5917 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5918
5919         PR tree-optimization/23626
5920         * tree-cfg.c (replace_uses_by): Clean up eh info.
5921
5922 2005-09-01  DJ Delorie  <dj@redhat.com>
5923
5924         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5925         fprintf.
5926
5927 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5928
5929         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5930         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5931         gen_rtx_MEM.
5932
5933 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5934
5935         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5936         do not issue warning for a variable definition following
5937         a declaration.
5938
5939 2005-09-01  Richard Henderson  <rth@redhat.com>
5940
5941         PR 23668
5942         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5943         conversion to CONST_VECTOR.
5944
5945 2005-09-01  Richard Henderson  <rth@redhat.com>
5946
5947         PR 23676
5948         * reload1.c (reload_as_needed): Check !CALL_P before calling
5949         fixup_eh_region_note.
5950         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5951
5952 2005-09-01  DJ Delorie  <dj@redhat.com>
5953
5954         * varasm.c (output_constant): Let the target resolve
5955         conversions of addresses to non-default pointer sizes.
5956
5957 2005-09-01  Nicolas Pitre <nico@cam.org>
5958
5959         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5960         to alow matching ARM pre-indexed addressing mode.
5961         (arm_override_options): Remove now irrelevant comment.
5962
5963 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5964
5965         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5966         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5967         * config/i386/vxworks.h:  Likewise.
5968         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5969         * config/i386/vxworksae.h:  Likewise.
5970
5971 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5972
5973         PR tree-optimization/23410
5974         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5975         sequence is not wrapping during the first step.
5976
5977 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5978
5979         PR debug/7241
5980         * dwarf2out.c (base_type_die): Compare char_type_node with
5981         TYPE_MAIN_VARIANT (type), not type.
5982
5983 2005-09-01  Richard Guenther  <rguenther@suse.de>
5984
5985         PR tree-optimization/15366
5986         * common.opt: Add -finline-functions-called-once.
5987         Put -fearly-inlining in alphabetically ordered place.
5988         * doc/invoke.texi: Document new option.
5989         * ipa-inline.c (cgraph_decide_inlining): Honour
5990         flag_inline_functions_called_once.
5991
5992 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5993
5994         PR rtl-optimization/23478
5995         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5996         (alloc_qty): Initialize it.
5997         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5998         (combine_regs): Combine also n_throwing_calls_crossed fields.
5999         (find_free_reg): Don't attempt to caller-save pseudos crossing
6000         calls that might throw.
6001         * global.c (struct allocno): Add throwing_calls_crossed field.
6002         (global_alloc): Revert 2005-08-22 change.  Initialize
6003         throwing_calls_crossed.
6004         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6005         might throw.
6006
6007 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6008
6009         PR target/23649
6010         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6011         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6012         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6013         (and64_2_operand): Tweak to use predicate.
6014         (and_operand): Adjust for mask_operand changes.
6015         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6016         (print_operand): Likewise.
6017         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6018         (mask64_1or2_operand): Delete.
6019         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6020         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6021         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6022         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6023         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6024         (rotldi3_internal4): Likewise.
6025         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6026         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6027         (ashldi3_internal7): Likewise.
6028         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6029         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6030         (anddi3 split): Don't match mask64_operand.
6031         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6032         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6033         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6034         't' splitter predicate.
6035         (movdi_internal64 + 2): Revert 2005-06-11 change.
6036
6037 2005-08-31  DJ Delorie  <dj@redhat.com>
6038
6039         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6040         (m32c_asm_integer): Add support for 32 bit pointers.
6041
6042 2005-08-31  Richard Henderson  <rth@redhat.com>
6043
6044         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6045         component-like references for setting MEM_NOTRAP_P.
6046
6047         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6048         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6049
6050 2005-08-31  Richard Henderson  <rth@redhat.com>
6051
6052         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6053         into a pseudo before applying gen_lowpart.
6054
6055 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6056
6057         * doc/install.texi (Specific): Update cctools version required
6058         for full functionality.
6059         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6060         linkers as -macosx_version_min.
6061
6062 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6063
6064         PR target/21255
6065         * sh.c (print_operand, %R and %S): Add handling of floating point
6066         registers, memory, constants and invalid operands.
6067
6068 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6069
6070         * ipa-pure-const.c: Change dump name.
6071
6072 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6073
6074         PR target/23570
6075         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6076         to "reg_or_0_operand".
6077         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6078
6079 2005-08-31  Dale Johannesen  <dalej@apple.com>
6080
6081         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6082         loops that count down.
6083
6084 2005-08-31  Richard Henderson  <rth@redhat.com>
6085
6086         PR rtl-opt/23601
6087         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6088         (fixup_eh_region_note): New.
6089         (reload_as_needed): Call it.
6090         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6091         don't call find_many_sub_basic_blocks; call verify_flow_info.
6092         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6093         (keep_stack_depressed): Likewise.
6094         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6095
6096 2005-08-31  Richard Henderson  <rth@redhat.com>
6097
6098         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6099         fp return matching.
6100
6101 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6102
6103         * expr.c (expand_expr_real_1): Compare size of address
6104         mode to target's address mode size in deciding expansion of
6105         the constant address.
6106
6107 2005-08-31  Richard Guenther  <rguenther@suse.de>
6108
6109         PR middle-end/23477
6110         * expr.c (all_zeros_p): New function.
6111         (expand_expr_real_1): Handle the case of an all-zero
6112         non-addressable constructor separately.
6113
6114 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6115
6116         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6117         arguments, adjust all callers.
6118         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6119
6120 2005-08-30  Richard Henderson  <rth@redhat.com>
6121
6122         PR target/23630
6123         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6124         whenever the mode sizes match.
6125
6126 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6127
6128         * calls.c (load_register_parameters): Fix comment typo.
6129         * expr.c (emit_push_insn): Comment formatting.
6130
6131 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6132
6133         * config/i386/x-cygwin (host-cygwin): Change dependency from
6134         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6135
6136 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6137
6138         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6139         parts of 'vals'.
6140
6141 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6142
6143         PR middle-end/23408
6144         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6145         call to ggc_collect.
6146
6147 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6148
6149         PR bootstrap/21268
6150         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6151         beginning.  Remove $(INCLUDES) from all the rules, if following
6152         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6153
6154 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6155
6156         PR middle-end/23484
6157         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6158         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6159         not constant, but maxlen is, don't set len to maxlen, rather
6160         set maxlen to len if len is a constant.
6161
6162 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6163
6164         PR tree-optimization/23475
6165         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6166         and counts.
6167
6168 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6169
6170         Fix PR middle-end/22455
6171
6172         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6173         Checksum only the parts of the tree that exist for the tree code.
6174
6175 2005-08-28  Dale Johannesen  <dalej@apple.com>
6176
6177         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6178
6179 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6180
6181         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6182
6183 2005-08-28  Richard Henderson  <rth@redhat.com>
6184
6185         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6186         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6187         of char_type_node.
6188
6189 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6190
6191         PR ada/23593
6192         * builtins.c (get_memory_rtx): Don't strip nops
6193         in between COMPONENT_REFs.
6194
6195 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6196
6197         PR middle-end/23463
6198         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6199         types.
6200         (gimplify_modify_expr): Check for zero sized types and gimplify the
6201         rhs and lhs as statements.
6202
6203 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6204
6205         PR libgcj/23508
6206         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6207         state for return address column of signal frames.
6208
6209 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6210
6211         PR target/23539
6212         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6213         bytes >= 2 not bytes == 2.
6214         (expand_block_move): Same.
6215
6216 2005-08-27  Richard Guenther  <rguenther@suse.de>
6217
6218         PR target/23575
6219         * config/i386/sse.md (sse2_movsd): Add missing closing
6220         braces.
6221
6222 2005-08-27  Paul Brook  <paul@codesourcery.com>
6223
6224         * genrecog.c (enum decision_type): Add DT_num_insns.
6225         (struct decision_test): Add u.num_insns.
6226         (add_to_sequence): Add DT_num_insns test.
6227         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6228         (write_cond, debug_decision_2): Ditto.
6229         (change_state): Assume peep2_next_insn never fails.
6230         Remove "afterward" argument.
6231         (write afterward, write_tree): Update to match.
6232         * recog.c (peep2_current_count): New variable.
6233         (peep2_next_insn): Check it.
6234         (peephole2_optimize): Set peep2_current_count.
6235         * recog.h (peep2_current_count): Declare.
6236
6237 2005-08-26  Josh Conner  <jconner@apple.com>
6238
6239         PR middle-end/23584
6240         * ipa-pure-const.c (check_tree): Check for volatile-ness
6241         when considering a dereference.
6242
6243 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6244
6245         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6246
6247 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6248
6249         PR rtl-optimization/23561
6250         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6251         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6252         at most LEN bytes long memory fits into the field.
6253         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6254         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6255         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6256
6257 2005-08-26  Richard Henderson  <rth@redhat.com>
6258
6259         PR rtl-opt/23560
6260         * loop.c (biased_biv_may_wrap_p): New.
6261         (maybe_eliminate_biv_1): Use it to suppress non-equality
6262         comparison transformations.  Delete disabled code.
6263
6264 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6265
6266         * combine.c (make_extraction): Avoid reference outside object.
6267
6268 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6269
6270         * stor-layout.c (finalize_type_size): Restore behaviour for
6271         non-aggregate types to the status quo ante of the patch for
6272         pr 23467.  Document why it matters.
6273
6274 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6275
6276         PR c/23506
6277         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6278         array by one element, initialize the BT_LAST element with NULL.
6279
6280 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6281
6282         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6283         optimizing for size.
6284         (plus_eqsi): Same.
6285         (compare_plus_eqsi): Same.
6286         (plus_eqsi_compare): Same.
6287         (neg_eq0<mode>): Same.
6288         (neg_eq<mode>): Same.
6289
6290         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6291         PROCESSOR_POWER4.
6292
6293 2005-08-26  Nick Clifton  <nickc@redhat.com>
6294
6295         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6296         TARGET_EP is not defined.
6297         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6298         TARGET_EP is enabled.
6299         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6300         * config/v850/v850.md (save_all_interrupt): Only use the EP
6301         register if TARGET_EP is defined.
6302         (restore_all_interrupt): Likewise.
6303         * config/v850/lib1funcs.asm: Update functions so that the EP
6304         register is only used if __EP__ is defined.
6305
6306 2005-08-26  David Ung  <davidu@mips.com>
6307
6308         * config/mips/mips.c (mips_expand_prologue): Handle case when
6309         generating for MIPS16 and the outgoing argument area is more than
6310         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6311         add instruction.
6312
6313 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6314
6315         * config/crx/crx.md: Make doloop_end pattern usage controllable
6316         via mloop-nesting=<max-nesting> command line switch. Make sure
6317         the combiner cannot use doloop_end_<mode> in an illegal way.
6318         * config/crx/crx.c: Use regs up to r6 for argument passing.
6319         Refine crx_address_cost (non cst4 displacements are expensive).
6320         * config/crx/crx.opt: Add switch for mloop-nesting=.
6321
6322 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6323
6324         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6325         (UNSPEC_MVST): New constant.
6326
6327 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6328
6329         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6330         Reject operands containing eliminable registers.
6331         * testsuite/gcc.dg/20050825-1.c: New testcase.
6332
6333 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6334             Jan Hubicka  <jh@suse.cz>
6335
6336         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6337
6338 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6339
6340         PR tree-optimization/23546
6341         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6342         and REAL_CST nodes.
6343
6344 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6345
6346         * params.def (PARAM_MIN_SPEC_PROB): New.
6347         * sched-rgn.c (MIN_PROBABILITY): Delete.
6348         (compute_trg_info): Convert to PARAM_VALUE.
6349         * doc/invoke.texi (param): Document min-spec-prob.
6350
6351 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6352
6353         * config/darwin.h: define __PIC__
6354         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6355         TARGET_OS_CPP_BUILTINS macro.
6356
6357 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6358
6359         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6360         yesterday.
6361
6362 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6363
6364         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6365         to duplicate_block.
6366         * cfghooks.c (duplicate_block): Added position where to place
6367         new block as argument.
6368         * cfghooks.h (duplicate_block): Declaration changed.
6369         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6370         duplicate_block.
6371         * cfglayout.h (copy_bbs): Declaration changed.
6372         * cfgloop.h (loop_version): Declaration changed.
6373         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6374         position to copy_bbs.
6375         (loop_version): Pass position to duplicate_loop_to_header_edge.
6376         Add place_after argument and position new blocks according to
6377         it.
6378         * modulo-sched.c (sms_schedule): Pass place_after argument
6379         to loop_version.
6380         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6381         * tree-cfg.c (split_edge_bb_loc): New function.
6382         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6383         to determine position of new blocks.
6384         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6385         to loop_version.
6386         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6387         argument to duplicate_block.
6388         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6389         Pass position to copy_bbs.
6390
6391 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6392
6393         * fold-const.c (ptr_difference_const): Use
6394         cst_and_fits_in_hwi instead of host_integerp.
6395
6396 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6397
6398         * config/darwin.c (gen_pic_offset): New.
6399         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6400         Use it.
6401
6402 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6403
6404         PR tree-optimization/23486
6405         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6406
6407 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6408
6409         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6410         remove use_collect2.
6411         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6412
6413         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6414         configuration files to override the default value.
6415
6416         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6417         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6418         * config/vx-common.h:  New file, split out from...
6419         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6420         * config/vxworksae.h:  New file, for VxWorks AE.
6421         * config/vxworks.opt:  New file.
6422         * config/vxlib.c:  Update for VxWorks 6.
6423
6424         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6425         other MULTILIB_* variables appropriately.
6426         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6427         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6428         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6429         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6430
6431 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6432
6433         PR target/20799
6434         * config/darwin.c (machopic_select_section): Remove the hack to
6435         mark "::operator new" and "::operator delete" for coalescing
6436         even though they are not weak.
6437
6438 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6439
6440         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6441         * configure: Regenerate.
6442
6443 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6444
6445         PR middle-end/23517
6446         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6447         between vectors.
6448         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6449         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6450         Likewise.
6451
6452 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6453
6454         * config/rs6000/predicates.md (equality_operator): New.
6455         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6456         comparison with a large constant.
6457
6458 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6459
6460         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6461
6462 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6463
6464         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6465         registers is even, and we have a hardware double precision fp,
6466         align the buffer.
6467         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6468         size of current argument when checking if argument was passed in
6469         registers.
6470
6471         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6472
6473         PR middle-end/23467
6474         * stor-layout.c (finalize_type_size): Dont override
6475         existing alignment with a smaller alignment from the mode.
6476
6477 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6478
6479         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6480         * lambda.h (lambda_vector_lexico_pos): ... here.
6481         * tree-data-ref.c (build_classic_dist_vector): Return false when
6482         the distance vector is lexicographically negative.
6483
6484 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6485
6486         PR tree-optimization/23511
6487         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6488         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6489
6490 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6491
6492         PR tree-optimization/22043
6493         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6494         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6495         If ALLOW_FLEXARR, handle types ending with flexible array member.
6496         Pass false as second argument to recursive count_type_elements calls.
6497         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6498         argument to count_type_elements call.
6499         * tree-sra.c (decide_block_copy): Likewise.
6500         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6501         for a constant-sized object, set cleared as well.  Pass true as
6502         second argument to count_type_elements call.
6503
6504 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6505
6506         PR target/21571
6507         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6508         from legitimate_small_data_p, and make global.  Update use.
6509         Remove forward declaration.
6510         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6511         Declare.
6512         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6513
6514 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6515
6516         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6517         of scratch intermediates.
6518         (eq<mode>_compare): Same.
6519         (neg_eq0<mode>): New.
6520         (neg_eq<mode>): Convert to define_insn_and_split.
6521
6522 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6523
6524         PR target/23070
6525         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6526         stdarg functions, set/clear the fp marker even when no variable
6527         args are passed.
6528         * config/rs6000/sysv4.opt (mprototype): Describe.
6529
6530 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6531
6532         PR rtl-optimization/23478
6533         * regs.h (reg_info): Add throw_calls_crossed.
6534         (REG_N_THROWING_CALLS_CROSSED): Define.
6535         * flow.c (allocate_reg_life_data): Initialize
6536         REG_N_THROWING_CALLS_CROSSED.
6537         (propagate_one_insn, attempt_auto_inc): Update
6538         REG_N_THROWING_CALLS_CROSSED.
6539         * global.c (global_alloc): Don't allocate pseudos across
6540         calls that may throw.
6541
6542 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6543
6544         PR c/18715
6545         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6546         value is inbetween the range if we did not find an exact match.
6547
6548 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6549
6550         * doc/invoke.texi (Option Summary): Add ms1 options.
6551         * doc/extend.texi: Document interrupt handler attribute for ms1.
6552         * doc/md.texi: Document ms1 constraints.
6553         * config.gcc: Add ms1-*-elf.
6554         * config/ms1/ms1.h: New.
6555         * config/ms1/ms1.c: New.
6556         * config/ms1/ms1.md: New.
6557         * config/ms1/ms1-protos.h: New.
6558         * config/ms1/ABI.txt: New.
6559         * config/ms1/crti.asm: New.
6560         * config/ms1/crtn.asm: New.
6561         * config/ms1/lib2extra-funcs.c: New.
6562         * config/ms1/t-ms1: New.
6563         * config/ms1/ms1.opt: New.
6564
6565 2005-08-22 Ira Rosen <irar@il.ibm.com>
6566
6567         * config/rs6000/altivec.md (xorv4sf3): New.
6568         (negv4sf2, neg<mode>2): Likewise.
6569
6570 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6571
6572         PR target/23485
6573         * config/ia64/ia64.md (divsi3): Check divide by zero.
6574         (udivsi3): Likewise.
6575         (divdi3): Likewise.
6576         (udivdi3): Likewise.
6577
6578 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6579
6580         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6581         up to elem_bitsize bits, not max_bitsize.
6582
6583 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6584
6585         PR tree-optimization/23433
6586         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6587         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6588
6589 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6590
6591         PR tree-optimization/23434
6592         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6593         the iteration bound is not an INTEGER_CST.
6594
6595 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6596
6597         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6598         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6599         NULL if need_epilog_adjust is false.
6600         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6601         Case 3 always peels first itration, not just for PLUS case, and no need
6602         to use scalar_initial_def here. Create an epilog adjustment only if
6603         scalar_initial_def is not NULL.
6604
6605         (vectorizable_reduction): Remove assert.
6606
6607 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6608
6609         PR target/23485
6610         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6611         (__moddi3): Likewise.
6612         (__udivdi3): Likewise.
6613         (__umoddi3): Likewise.
6614         (__divsi3): Likewise.
6615         (__modsi3): Likewise.
6616         (__udivsi3): Likewise.
6617         (__umodsi3): Likewise.
6618
6619 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6620
6621         * tree-pass.h (TDF_GRAPH): Define.
6622         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6623         * passes.c (finish_optimization_passes): Only call
6624         finish_graph_dump_file if TDF_GRAPH is set.
6625         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6626         NULL.  Set TDF_GRAPH bit.
6627         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6628
6629 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6630
6631         * arm.h (arm_stack_offsets): Add locals_base field.
6632         * arm.c (arm_get_frame_offsets): Compute it.
6633         (thumb_compute_initial_elimination offset): Make the Thumb frame
6634         pointer point to the base of the local variables.
6635         (thumb_expand_prologue): Update accordingly.
6636         (thumb_expand_epilogue): Likewise.
6637
6638         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6639         mode of clobbered scratch to DImode.  Handle a case that's known to
6640         need this.
6641
6642 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6643
6644         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6645         (gt0<mode>_compare): Delete.
6646         (neg_gt0<mode>): Delete.
6647
6648 2005-08-19  Eric Christopher  <echristo@apple.com>
6649
6650         * optabs.h: Change CTI_ to COI_.
6651         * optabs.c: Ditto.
6652
6653 2005-08-19  James E Wilson  <wilson@specifix.com>
6654
6655         * builtins.c (expand_builtin_return_addr): Set
6656         current_function_accesses_prior_frames when count != 0.  Use
6657         frame_pointer_rtx when count == 0.
6658         * function.h (struct function): Add accesses_prior_frames field.
6659         (current_function_accesses_prior_frames): Define.
6660         * reload1.c (init_elim_table): Check
6661         current_function_accesses_prior_frames.
6662         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6663
6664 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6665
6666         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6667         indicator.  Return true if the flowgraph changed during
6668         cleanup.
6669
6670 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6671
6672         PR 23476
6673         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6674         conditional expression before testing its value.
6675
6676 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6677
6678         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6679
6680 2005-08-19  Devang Patel  <dpatel@apple.com>
6681
6682         PR tree-optimization/23048
6683         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6684         third parameter. Check whether latch is dominated by exit
6685         block or not.
6686         (if_convertible_loop_p): Supply exit block itself to
6687         if_convertible_bb_p.
6688
6689 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6690
6691         PR target/23473
6692         * arm.md (arm_load_pic_register): Change argument to the mask of
6693         saved registers.  Call thumb_find_work_register if we need a
6694         scratch register on Thumb.
6695         (arm_expand_prologue): Pass empty register set to
6696         arm_load_pic_register.
6697         (thumb_expand_prologue): Pass live_regs_mask directly to
6698         arm_load_pic_register.
6699         * arm-protos.h (arm_load_pic_register): Update prototype.
6700
6701 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6702
6703         * sh.c (find_sole_member): New function.
6704         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6705         if the record's alignment is larger than the size of its only member.
6706
6707 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6708
6709         PR target/23436
6710         * arm.c (thumb_legitimize_reload_address): New function.
6711         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6712         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6713
6714 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6715
6716         * config/crx/crx.c: Implement crx_decompose_address. Reject
6717         symbolic displacements since CRX register relative adressing
6718         mode can't handle unsigned 32-bit values as displacements.
6719         * config/crx/crx.h: Simplify definitions, remove redundant
6720         parenthesis and obsolete macros.
6721         * config/crx/crx.opt: Add new switch for debugging addresses.
6722         * config/crx/crx-protos.h: Add new declarations for above.
6723
6724 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6725
6726         PR middle-end/20624
6727         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6728         looking past it.
6729
6730 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6731
6732         * collect2.c (dup2): Delete.
6733         * configure.ac: Don't check for dup2.
6734
6735         * config.in, configure: Regenerate.
6736
6737 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6738
6739         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6740         record with the type of its only member.
6741
6742 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6743
6744         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6745         define_insn_and_split.
6746         (plus_ltu<mode>_compare): Same.
6747         (gtu<mode>_compare): Same.
6748         (plus_gtu<mode>_compare): Same.
6749
6750 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6751
6752         PR tree-optimization/22228
6753         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6754         todo_flags_start.
6755         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6756         are recorded in vect_vnames_to_rename for renaming.
6757         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6758         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6759         in vect_vnames_to_rename.
6760         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6761         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6762
6763 2005-08-18  Jan Hubicka  <jh@suse.cz>
6764
6765         PR c++/22034
6766         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6767         info only for local statics, not for member variables.
6768
6769 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6770
6771         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6772
6773 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6774
6775         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6776
6777 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6778
6779         PR middle-end/16045
6780         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6781
6782 2005-08-17  James E Wilson  <wilson@specifix.com>
6783
6784         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6785         array size check.
6786
6787 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6788
6789         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6790         (leu<mode>_compare): Same.
6791         (plus_leu<mode>): Same.
6792         (neg_leu<mode>): Same.
6793         (and_neg_leu<mode): Same.
6794         (ltu<mode>_compare): Same.
6795         (plus_ltu<mode>): Same.
6796         (geu<mode>): Same.
6797         (geu<mode>_compare): Same.
6798         (plus_geu<mode>): Same.
6799         (neg_geu<mode>): Same.
6800         (and_neg_geu<mode>): Same.
6801         (plus_gt<mode>): Same.
6802         (gtu<mode>_compare): Same.
6803         (plus_gtu<mode>): Same.
6804
6805 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6806
6807         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6808         Move call_table_data to end.  Delete spurious .text.
6809         (callt_save_all_interrupt): Fix comment typo.
6810
6811 2005-08-17  James E Wilson  <wilson@specifix.com>
6812             Kevin Winchester  <winchester@amirix.com>
6813
6814         PR target/21684
6815         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6816
6817 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6818
6819         PR target/23268
6820         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6821         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6822
6823 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6824
6825         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6826         record with the type of its only member if the modes don't match.
6827
6828         * varasm.c (decode_reg_name): Skip empty additional register names.
6829
6830 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6831
6832         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6833         lsm_tmp_name_length): New.
6834         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6835         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6836
6837 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6838             Andreas Krebbel  <krebbel1@de.ibm.com>
6839
6840         * config.gcc: Added z9-109 switch.
6841         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6842         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6843         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6844         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6845         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6846         for "z9_109" cpu attribute.
6847         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6848         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6849         (s390_handle_arch_option): Added z9-109 switch.
6850         (override_options): Set respective cost function for z9-109.
6851         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6852         (legitimate_reload_constant_p): Accept extended immediates.
6853         (print_operand): Three new output modifiers added: k, m and o.
6854         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6855         (s390_output_mi_thunk): Use extended immediate when possible.
6856         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6857         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6858         (CONSTRAINT_LEN): Added length of O constraint.
6859         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6860         * config/s390/s390.md ("cpu"): New value z9_109 added.
6861         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6862         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6863         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6864         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6865         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6866         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6867         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6868         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6869         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6870         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6871         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6872         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6873         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6874         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6875         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6876         immediates.
6877         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6878         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6879         insns for TARGET_EXTIMM.
6880
6881 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6882
6883         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6884
6885 2005-08-17  Nick Clifton  <nickc@redhat.com>
6886
6887         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6888         Call default_encode_section_info.
6889
6890 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6891
6892         PR tree-optimization/21574
6893         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6894         constant, return CONSTANT.
6895         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6896         (ccp_fold, visit_assignment): Likewise.
6897         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6898
6899 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6900
6901         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6902         fold_buildN instead of buildN then fold_initializer or fold.
6903         (build_unary_op): Likewise.
6904         (build_binary_op): Likewise.
6905         * fold-const.c (fold_initializer): Remove.
6906         (fold_build1_initializer): New function.
6907         (fold_build2_initializer): New function.
6908         (fold_build3_initializer): New function.
6909         * tree.h (fold_initializer): Remove.
6910         (fold_build1_initializer): New function.
6911         (fold_build2_initializer): New function.
6912         (fold_build3_initializer): New function.
6913
6914 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6915
6916         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6917         (try_move_mult_to_index): Call fold_build2 instead of build2.
6918         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6919         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6920         fold_binary_to_constant.
6921         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6922         fold (build.
6923         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6924         check if A == gcd (A, B).  Remove TYPE argument.
6925         (analyze_offset) Use fold_build2 instead of fold (build.
6926         (create_data_ref): Likewise.
6927         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6928         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6929         then fold.
6930
6931 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6932
6933         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6934         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6935
6936 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6937
6938         PR tree-opt/23402
6939         * gimplify.c (zero_sized_type): New function.
6940         (gimplify_modify_expr_rhs): If we have a zero sized type,
6941         replace the statement with an empty statement.
6942
6943 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6944
6945         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6946         fxsave.
6947
6948 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6949
6950         * doc/tm.texi (Label Output): Correct typo.
6951
6952 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6953
6954         PR target/23376
6955         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6956         force_operand will work later on using have_insn_for.
6957
6958 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6959
6960         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6961
6962 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6963
6964         PR c++/23337
6965         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6966         vector type, don't try to construct it element by element.  Add an
6967         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6968
6969 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6970
6971         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6972
6973 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6974
6975         * doc/invoke.texi (Precompiled Headers): Document some more options
6976         which are known to be safe.
6977
6978 2005-08-16  James E Wilson  <wilson@specifix.com>
6979
6980         PR tree-optimization/21105
6981         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6982         TREE_OVERFLOW check.
6983
6984 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6985
6986         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6987         (neg_ltu<mode>): Same.
6988         (gtu<mode>): Same.
6989         (neg_gtu<mode>): Same.
6990
6991 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6992
6993         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6994         (fold_builtin_isdigit): Use fold_buildN.
6995         (build_function_call_expr): Likewise.
6996         * c-typeck.c (c_finish_loop): Likewise.
6997
6998 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6999             Richard Shann <rshann@superh.com>
7000
7001         PR middle-end/20396:
7002         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7003
7004 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7005
7006         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7007
7008 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7009
7010         PR target/23355
7011         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7012         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7013         must be saved.
7014
7015 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7016
7017         PR middle-end/23369
7018         * fold-const.c (build_range_check): Disable optimization for function
7019         pointer expressions on targets that require function pointer
7020         canonicalization.
7021
7022 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7023
7024         * simplify-rtx.c (simplify_const_relational_operation): When
7025         extracting arguments of a COMPARE, recompute the mode as well.
7026
7027 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7028
7029         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7030
7031 2005-08-15  DJ Delorie  <dj@redhat.com>
7032
7033         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7034         the stack.
7035         (movsi_splittable): Allow, but split, moves to the stack.
7036         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7037         stack.
7038
7039 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7040
7041         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7042         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7043         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7044
7045         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7046         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7047         Delete HOST_PTR_PRINTF.
7048
7049         * configure, config.in: Regenerate.
7050
7051 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7052
7053         * config/rs6000/rs6000.md (QHSI): New mode macro.
7054         (wd): Extend mode attr for QImode and HImode
7055         (dbits): New mode attr.
7056         (zero_extend<mode>di2): Convert to mode macro.
7057
7058 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7059
7060         PR target/21841
7061         * doc/invoke.texi (-mgnu-ld): Update description.
7062         (-mhp-ld): Ditto.
7063
7064 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7065
7066         PR 23391
7067         * Makefile.in (tree-chrec.o): Depends on real.h.
7068         * tree-chrec.c: Include real.h.
7069         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7070         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7071         * tree-scalar-evolution.c (add_to_evolution_1,
7072         interpret_rhs_modify_expr): Ditto.
7073
7074 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7075
7076         PR 23386
7077         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7078         step is negative compute the estimation from init downwards to zero.
7079
7080 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7081
7082         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7083
7084 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7085
7086         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7087         constraint.
7088         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7089         Accept double-word constants that can be split.
7090         * config/s390/s390.md ("movti"): Use 'P' constraint.
7091         ("*movdi_31", "*movdf_31"): Likewise.
7092
7093 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7094
7095         Fix PR tree-optimization/22615
7096
7097         * tree-ssa-structalias.c (solution_set_add): Handle
7098         first_vi_for_offset returning NULL.
7099         (do_da_constraint): Ditto.
7100         (do_sd_constraint): Ditto.
7101         (do_ds_constraint): Ditto
7102         (find_func_aliases): Ditto.
7103         (build_constraint_graph): RHS is allowed be ANYTHING.
7104         (first_vi_for_offset): Return NULL if we couldn't find anything at
7105         the offset.
7106
7107 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7108
7109         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7110         over memory as first operand.
7111
7112 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7113
7114         PR target/23360
7115         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7116         available for setting it.
7117
7118 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7119
7120         PR tree-optimization/23320
7121         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7122         data-refs' types instead of base object nullness. Add check for
7123         pointer type data-refs before first location comparison. Remove
7124         assert.
7125
7126 2005-08-14  Andreas Schwab  <schwab@suse.de>
7127
7128         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7129
7130 2005-08-13  James E Wilson  <wilson@specifix.com>
7131
7132         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7133         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7134         -fstack-protector-all, --param ssp-buffer-size): Document.
7135         (-Wvariadic-macros): Alphabetize.
7136         (-fsched-stalled-insns-dep): Add missing 'f'.
7137
7138         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7139         macros.
7140
7141 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7142
7143         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7144         or indirect address operand.
7145         (EXTRA_ADDRESS_CONSTRAINT): New.
7146         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7147
7148 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7149
7150         PR tree-optimization/22236
7151         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7152         successors and predecessors.
7153         * tree-chrec.c (chrec_convert): Before converting, check that
7154         sequences don't wrap.
7155         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7156         (analyze_array): Extern.
7157         (find_data_references_in_loop): Remove call to
7158         compute_estimated_nb_iterations.
7159         * tree-data-ref.h (analyze_array): Declared.
7160         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7161         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7162         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7163         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7164         condition.
7165         * tree-ssa-loop-ivcanon.c: Fix documentation.
7166         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7167         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7168         (infer_loop_bounds_from_undefined): New.
7169         (estimate_numbers_of_iterations_loop): Use
7170         infer_loop_bounds_from_undefined.
7171         (used_in_pointer_arithmetic_p): New.
7172         (scev_probably_wraps_p): Pass an extra parameter.  Call
7173         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7174         (convert_step): Fix documentation.
7175         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7176         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7177         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7178         scev_probably_wraps_p.
7179
7180 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7181
7182         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7183         (s390_register_info): Ignore clobbered_regs information for fixed
7184         registers, and only fixed registers.
7185         (s390_init_frame_layout): Remove redundant call.
7186
7187 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7188
7189         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7190         description of -Wold-style-casts.
7191
7192 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7193             Jakub Jelinek  <jakub@redhat.com>
7194
7195         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7196         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7197         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7198         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7199         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7200         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7201         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7202         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7203         ("stack_protect_set", "stack_protect_test"): New expanders.
7204         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7205         "stack_protect_testdi"): New insn definitions.
7206
7207 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7208
7209         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7210
7211 2005-08-12  Paul Brook  <paul@codesourcery.com>
7212
7213         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7214
7215 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7216
7217         * config/s390/predicates.md (setmem_operand): New predicate.
7218         (shift_count_operand): Accept ANDs with special constants as
7219         operand.
7220         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7221         with special constants.
7222         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7223         shift_count_operand with setmem_operand.
7224
7225 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7226
7227         * config/s390/s390.c (s390_extract_part, s390_single_part):
7228         Type cast added.
7229         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7230         (s390_output_mi_thunk): Don't use lg on 31 bit.
7231         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7232         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7233
7234 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7235
7236         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7237         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7238         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7239         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7240         with one of the new macros.
7241
7242 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7243
7244         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7245         Don't set save_return_addr_p.
7246         (s390_register_info): Make clobbered_regs not depending on
7247         save_return_addr_p.
7248
7249 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7250
7251         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7252         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7253
7254 2005-08-11  James E. Wilson  <wilson@specifix.com>
7255
7256         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7257
7258 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7259
7260         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7261         locations gathered by var-tracking in single entry loc_list
7262         over loc_descriptor_from_tree.
7263
7264         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7265         pass it down to loc_descriptor.
7266         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7267         (containing_function_has_frame_base): Move earlier in the file.
7268         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7269         instead of always assuming fbreg can't be used.
7270
7271 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7272
7273         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7274         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7275         Accept address wrapped in AND for Altivec.
7276         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7277         Strip AND wrapping offset address for Altivec.
7278
7279 2005-08-11  Richard Henderson  <rth@redhat.com>
7280
7281         PR middle-end/23312
7282         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7283         before using TYPE_IS_SIZETYPE.
7284
7285 2005-08-11  Richard Henderson  <rth@redhat.com>
7286
7287         PR target/22225
7288         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7289         insn types not present on ev4.
7290         (alphaev5_insn_pipe): Similarly.
7291
7292 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7293
7294         PR target/23250
7295         * arm.c (arm_override_options): If the user has selected callee-super-
7296         interworking, then enable normal interworking.
7297
7298 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7299
7300         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7301         redefinition.
7302
7303 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7304
7305         * doc/rtl.texi: Fix two typos.
7306
7307 2005-08-11  Richard Guenther  <rguenther@suse.de>
7308
7309         PR target/23289
7310         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7311         cases where we call to/from functions returning void.
7312
7313 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7314
7315         PR c++/23225
7316         * tree.c (build_pointer_type_for_mode): Robustify.
7317
7318 2005-08-10  James E Wilson  <wilson@specifix.com>
7319
7320         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7321         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7322
7323         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7324         "cum->".
7325
7326 2005-08-10  Eric Christopher  <echristo@apple.com>
7327
7328         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7329         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7330         V2DFmode.
7331
7332 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7333
7334         PR target/21887
7335         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7336         for the high part when generating dynamic-no-pic code.
7337
7338 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7339
7340         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7341         (x86_64-*-linux*): Likewise.
7342
7343         * config/i386/crtfastmath.c: New file.
7344         * config/i386/t-crtfm: Likewise.
7345
7346         * config/i386/linux.h (ENDFILE_SPEC): New.
7347         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7348
7349         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7350         crtfastmath.o.
7351
7352 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7353
7354         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7355         (vec_shl, vec_shr): Document new operations.
7356         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7357
7358 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7359
7360         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7361         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7362         change predicate to indexed_or_indirect_address.
7363
7364 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7365
7366         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7367         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7368         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7369         and __aeabi_uwrite8.
7370         * config/arm/unaligned-funcs.c: New file.
7371         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7372
7373 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7374
7375         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7376         Add dump.
7377         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7378         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7379         Add dump.
7380         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7381         * final.c (pass_shorten_branches): Add dump.
7382         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7383         (pass_life): Rename dump.
7384         (rest_of_handle_flow2): Remove initial verify_flow_info.
7385         * function.c (pass_instantiate_virtual_regs): Add dump.
7386         * integrate.c (pass_initial_value_sets): Add dump.
7387         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7388         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7389         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7390         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7391         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7392         gate_rtl_unrool_and_peel_loops): New.
7393         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7394         rtl_doloop): Do not look at flags.
7395         * mode-switching.c (pass_mode_switching): Add dump.
7396         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7397         pass_split_before_regstack): Add dump.
7398         * regmove.c (pass_stack_adjustments): Add dump.
7399         * tree-optimize.c (pass_fixup_cfg): Add dump.
7400
7401 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7402
7403         PR 23309
7404         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7405         deciding which instruction sequence to use.
7406
7407 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7408
7409         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7410         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7411
7412 2005-08-09  Richard Guenther  <rguenther@suse.de>
7413
7414         * c-common.c (builtin_function_2): Remove.
7415         (def_builtin_1): New function.
7416         (c_common_nodes_and_builtins): Use def_builtin_1 to
7417         build builtin functions.
7418
7419 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7420
7421         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7422         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7423         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7424         Visual DSP.
7425
7426 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7427
7428         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7429         fold_binary instead of fold_build2 since we don't care about the
7430         resulting tree.
7431         (loop_niter_by_eval): Likewise.
7432         (compare_trees): Likewise.
7433         (proved_non_wrapping_p): Likewise.
7434
7435 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7436
7437         PR c/23161
7438         PR c/23165
7439         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7440         if the if is really empty.
7441
7442 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7443
7444         PR tree-optimization/23234
7445         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7446         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7447         argument of the new enum.
7448         (execute_cse_reciprocals): Add reciprocals for function arguments
7449         on the unique successor edge of the entry block.  Update other calls
7450         to execute_cse_reciprocals_1.
7451
7452 2005-08-08  Richard Henderson  <rth@redhat.com>
7453
7454         PR 22439
7455         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7456
7457 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7458
7459         * expr.c (write_complex_part): Return after handling MEM.
7460
7461 2005-08-08  Josh Conner  <jconner@apple.com>
7462
7463         PR rtl-optimization/23241
7464         * combine.c (simplify_comparison): Fix error in determining
7465         whether to lift a subreg from comparison.
7466
7467 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7468
7469         PR target/18506
7470         * config/rs6000/altivec.md (vec_init<mode>): New.
7471         (vec_set<mode>): New.
7472         (vec_extract<mode>): New.
7473         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7474         (rs6000_expand_vector_set): New.
7475         (rs6000_expand_vector_extract): New.
7476         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7477         for Altivec modes before reload.
7478         (altivec_expand_vec_init_builtin): New.
7479         (get_element_number): New.
7480         (altivec_expand_vec_set_builtin): New.
7481         (altivec_expand_vec_ext_builtin): New.
7482         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7483         builtins.
7484         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7485         builtins.
7486         * config/rs6000/rs6000.h (rs6000_builtins): Add
7487         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7488         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7489         * config/rs6000/rs6000-protos.h: Declare new functions.
7490
7491 2005-08-08  Jan Hubicka  <jh@suse.cz>
7492
7493         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7494         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7495         * i386.md (movdi*): Use pic_32bit_operand.
7496         * predicates.md (pic_32bit_operand): New.
7497
7498 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7499
7500         PR c++/21166
7501         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7502
7503 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7504
7505         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7506         (test_for_singularity): Use fold_build2.
7507
7508 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7509
7510         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7511
7512 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7513
7514         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7515         (COMMON_ASM_OP) Define.
7516         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7517         (ix86_encode_section_info): Likewise.
7518         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7519         SUBTARGET_ENCODE_SECTION_INFO.
7520
7521 2005-08-06  Richard Henderson  <rth@redhat.com>
7522
7523         PR 21894
7524         * tree-nested.c (convert_local_reference): Save and restore val_only
7525         around component_ref and friends.  Clear walk_subtrees by default.
7526
7527 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7528
7529         PR 21366
7530         * gcc.c (process_command): Check the argument to -b has a dash.
7531         * doc/invoke.texi: Update -b and -V docs.
7532
7533 2005-08-06  James E Wilson  <wilson@specifix.com>
7534
7535         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7536
7537 2005-08-06  Michael Matz  <matz@suse.de>
7538
7539         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7540         member only if only one insn is associated with the value.
7541
7542 2005-08-06  Nick Clifton  <nickc@redhat.com>
7543
7544         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7545         New define.
7546         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7547         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7548         Check symbol flags instead of symbol name mangling.
7549         (xstormy16_asm_output_aligned_common): Likewise.  Also
7550         simplify code since the bss100_section cass is the only case
7551         where the below100 code will be triggered.
7552         (xstormy16_encode_section_info): Encode below100 attribute
7553         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7554         the name.
7555         (xstormy16_strip_name_encoding): Delete - this function is no
7556         longer needed.
7557         (TARGET_STRIP_NAME_ENCODING): Undefine.
7558         * config/stormy16/stormy16-protos.h: Delete prototype for
7559         xstormy16_strip_name_encoding.
7560
7561 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7562
7563         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7564         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7565         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7566         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7567         config/alpha/predicates.md, config/arc/arc.h,
7568         config/arm/arm.h, config/arm/ieee754-df.S,
7569         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7570         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7571         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7572         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7573         config/m68hc11/m68hc11.h, config/mips/mips.c,
7574         config/mips/mips.h, config/mips/openbsd.h,
7575         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7576         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7577         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7578         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7579         config/sparc/linux.h, config/sparc/linux64.h,
7580         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7581         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7582         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7583         typos.  Follow spelling conventions.
7584
7585 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7586
7587         PR c/23113
7588         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7589         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7590         specially.  Check for side effects only for COND_EXPR.
7591         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7592         return with TREE_NO_WARNING.
7593
7594 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7595
7596         PR rtl-optimization/23233
7597         * loop.c (combine_movables): Require the modes to be the same.
7598         (move_movables): Remove handling of cases where the replacement
7599         had a different mode to the original.
7600
7601 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7602
7603         PR tree-optimization/23128
7604         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7605         subtraction wrap, and set TREE_OVERFLOW if they do.
7606
7607 2005-08-05  Richard Henderson  <rth@redhat.com>
7608
7609         PR 21728
7610         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7611         FORCED_LABEL labels.
7612
7613 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7614
7615         PR middle-end/23135
7616         * reload.c (find_reloads_subreg_address): Pass down TYPE
7617         unchanged.  Change all callers except find_reloads_toplev.
7618
7619 2005-08-05  Michael Matz  <matz@suse.de>
7620
7621         * genattrtab.c (current_alternative_string): Remove.
7622         (SIMPLIFY_ALTERNATIVE): Ditto.
7623         (attr_alt_bit_p): Ditto.
7624         (alternative_name): Make const char *.
7625         (evaluate_eq_attr): Remove use of above things.
7626         (simplify_test_exp): Ditto.
7627         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7628         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7629
7630 2005-08-04  James E Wilson  <wilson@specifix.com>
7631
7632         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7633         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7634         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7635         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7636         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7637
7638 2005-08-04  Richard Henderson  <rth@redhat.com>
7639
7640         PR 21529
7641         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7642         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7643         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7644         if we'd have to instantiate too many members.
7645
7646 2005-08-04  Richard Henderson  <rth@redhat.com>
7647
7648         PR 21291
7649         * tree-outof-ssa.c (coalesce_asm_operands): New.
7650         (coalesce_ssa_name): Use it.  Split out ...
7651         (coalesce_phi_operands, coalesce_result_decls): ... these.
7652
7653 2005-08-04  Paul Brook  <paul@codesourcery.com>
7654
7655         * read-rtl.c (read_quoted_string): Break if EOF.
7656
7657 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7658
7659         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7660         (fold_build2): Likewise.
7661         (fold_build3): Likewise.
7662         (fold_build1_stat): New function prototype.
7663         (fold_build2_stat): Likewise.
7664         (fold_build3_stat): Likewise.
7665         * fold-const.c (fold_build1): Rename to ..
7666         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7667         through to build1_stat.
7668         (fold_build2): Rename to ..
7669         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7670         through to build2_stat.
7671         (fold_build3): Rename to ..
7672         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7673         through to build3_stat.
7674
7675 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7676             Ian Lance Taylor  <ian@airs.com>
7677
7678         * function.c (assign_stack_local_1): Do not correct stack slot
7679         address if allocation size is smaller than mode size.
7680
7681 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7682
7683         PR 22037
7684         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7685         (tree_merge_blocks): Propagate anything allowed by
7686         may_propagate_copy.
7687         Clarify documentation.
7688         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7689         SSA form, schedule an update if necessary.
7690
7691 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7692
7693         * doc/install.texi (Binaries): Remove broken link to
7694         Sinix/Reliant Unix binaries.
7695
7696 2005-08-03  Richard Henderson  <rth@redhat.com>
7697
7698         PR 23221
7699         * function.c (stack_protect_epilogue): Export.
7700         * tree.h (stack_protect_epilogue): Declare.
7701         * calls.c (expand_call): Call it.
7702
7703 2005-08-03  Eric Christopher  <echristo@apple.com>
7704
7705         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7706         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7707         spec.
7708
7709 2005-08-04  Jan Hubicka  <jh@suse.cz>
7710
7711         * profile.c (branch_prob): Split edges with goto locus on them
7712         to get proper line counts.
7713         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7714
7715 2005-08-03  Paul Brook  <paul@codesourcery.com>
7716
7717         * function.c (assign_parms): Round current_function_args_size
7718         to PARM_BOUNDARY, not STACK_BOUNDARY.
7719
7720 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7721
7722         * config/i386/i386.c (x86_elf_aligned_common)
7723         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7724
7725 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7726
7727         PR tree-optimization/23157
7728         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7729         before emitting them.
7730
7731 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7732
7733         PR tree-optimization/19899
7734         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7735         * tree-scalar-evolution.c: Include real.h.
7736         (add_to_evolution): Build constant -1 of correct type.
7737
7738 2005-08-03  Jan Hubicka  <jh@suse.cz>
7739
7740         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7741         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7742         profile updating for complette unrolling.
7743         * loop-unroll.c (peel_loop_completely): Use it.
7744         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7745         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7746         loops.
7747
7748 2005-08-03  Paul Brook  <paul@codesourcery.com>
7749
7750         * combine.c (can_change_dest_mode): New function.
7751         (try_combine, simplify_set): Use it.
7752
7753 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7754
7755         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7756         TFmode to BLKmode.
7757
7758 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7759
7760         * doc/install.texi (Specific): Adjust link to openavr.org.
7761         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7762         (Binaries): Adjust HP-UX Porting Center link.
7763         (Binaries): Adjust Free Software Foundation ordering link.
7764
7765 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7766
7767         * convert.c (convert_to_integer): Use fold_build1 instead of
7768         build1 when converting an integer to an integer.
7769
7770 2005-08-02  Richard Henderson  <rth@redhat.com>
7771
7772         * combine.c (combine_instructions): Don't use reg_equal/equiv
7773         results if the mode doesn't match.
7774
7775 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7776
7777         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7778         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7779
7780 2005-08-02  Richard Henderson  <rth@redhat.com>
7781
7782         PR 23196
7783         * explow.c (memory_address): Remove special-case for
7784         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7785
7786 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7787
7788         PR 23164
7789         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7790         number of calls to cleanup_tree_cfg_1.
7791
7792 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7793
7794         * doc/invoke.texi: document file extensions .F90 and .F95
7795
7796 2005-08-02  Richard Guenther  <rguenther@suse.de>
7797
7798         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7799         positive if its first argument is positive.
7800
7801 2005-08-02  Richard Guenther  <rguenther@suse.de>
7802
7803         PR tree-optimization/23177
7804         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7805         on TMR_TAG.
7806
7807 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7808
7809         PR tree-optimization/23129
7810         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7811         varying for divisions with anti-ranges.
7812
7813 2005-08-02  Jan Hubicka  <jh@suse.cz>
7814
7815         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7816         * tree-ssa-threadupdate.c (thread_block): Add it here.
7817
7818 2005-08-01  James E Wilson  <wilson@specifix.com>
7819
7820         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7821         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7822         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7823         New.
7824         * config/mips/predicates.md (const_call_insn_operand): Add check for
7825         SYMBOL_REF_LONG_CALL_P.
7826         * doc/extend.texi (long_call): Document the new attribute.
7827
7828 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7829             Richard Henderson  <rth@redhat.com>
7830
7831         * Makefile.in (RTL_BASE_H): Add real.h.
7832         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7833         instead of memcpy.
7834         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7835         directly.
7836         * rtl.c (rtl_check_failed_code_mode): New.
7837         * rtl.h (struct rtx_def): Add u.rv.
7838         (XCMWINT, XCNMPRV): New.
7839         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7840         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7841
7842 2005-08-01  Richard Henderson  <rth@redhat.com>
7843
7844         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7845         with auto-inc codes.
7846
7847         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7848
7849 2005-08-01  Jan Hubicka  <jh@suse.cz>
7850
7851         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7852         * i386.c: Include dwarf2.h
7853         (asm_preferred_eh_data_format): New.
7854         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7855
7856 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7857
7858         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7859         randomize_va_space for virtual address randomization control.
7860
7861 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7862
7863         * common.opt (flag_ipa_cp): Put in right place to maintain
7864         alphabetic sort.
7865
7866 2005-08-01  Jan Hubicka  <jh@suse.cz>
7867
7868         * profile.c (compute_value_histograms): Fix thinko.
7869         * value-prof.c: Include toplev.h
7870         (check_counter): New function.
7871         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7872         tree_mod_subtract_transform): Add sanity check.
7873
7874 2005-08-01  Richard Guenther  <rguenther@suse.de>
7875
7876         PR tree-optimization/23133
7877         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7878         current functions parameter decls to find defs to cse
7879         reciprocals of.
7880
7881 2005-08-01  Richard Guenther  <rguenther@suse.de>
7882
7883         PR tree-optimization/23109
7884         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7885         If trapping math is in effect, use post-dominator information
7886         to check if we'd in any case reach a trapping point before
7887         doing the reciprocal insertion.
7888         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7889         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7890         expressions are invariant only if trapping math is not in effect.
7891
7892 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7893
7894         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7895         cgraph_function_versioning): New declarations.
7896         * cgraphunit.c: Add include to ipa-prop.h.
7897         (update_call_expr, cgraph_copy_node_for_versioning,
7898         cgraph_function_versioning): New functions.
7899         * integrate.c (copy_decl_for_inlining): Remove.
7900         * ipa-prop.h (ipa_replace_map): New struct.
7901         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7902         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7903         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7904         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7905         ipcp_iterate_stage, ipcp_method_scale_print,
7906         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7907         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7908         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7909         ipcp_update_bb_counts, ipcp_update_profiling,
7910         ipcp_update_edges_counts): New functions.
7911         (ipcp_method_cval_init): Remove restriction regarding local methods.
7912         (ipcp_init_stage): Add ipcp_method_compute_scale.
7913         (ipcp_insert_stage): Add versioning.
7914         (ipcp_structures_print): Add ipcp_method_scale_print.
7915         (ipcp_driver): Dump profiling info.
7916         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7917         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7918         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7919         (struct inline_data): Add versioning_p, ipa_info, new fields.
7920         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7921         declare_return_variable): Replace calls to copy_decl_for_inlining with
7922         copy_decl_for_dup.
7923         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7924         versioning support.
7925         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7926         Add argument VERSIONING.
7927         (copy_arguments_for_versioning, copy_static_chain,
7928         function_versionable_p, tree_versionable_function_p,
7929         tree_function_versioning, replace_ref_tree): New functions.
7930         * tree-inline.h: Include varray.h.
7931         (tree_versionable_function_p,  tree_function_versioning,
7932         tree copy_decl_for_dup): New declarations.
7933
7934 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7935
7936         * ipa-cp.c: New file. Contains IPCP specific functionality.
7937         * ipa-prop.h: New file. Contains structures/definitions that can be
7938         used by several interprocedural data flow optimizations (and also IPCP).
7939         * ipa-prop.c: New file.
7940         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7941         * common.opt: Add ipa-cp flag.
7942         * timevar.def: Add IPCP optimization.
7943         * tree-optimize.c (init_tree_optimization_passes): Schedule
7944         pass_ipa_cp.
7945         * tree-pass.h (pass_ipa_cp): Declare.
7946
7947 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7948
7949         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7950         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7951         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7952         config/i386/i386.c, config/mips/mips.h,
7953         config/rs6000/rs6000.h, config/sh/sh.c,
7954         config/stormy16/stormy16.c: Fix comment typos.
7955
7956 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7957
7958         PR c/22311
7959         * c-typeck.c (build_binary_op): Use common_type wrapper on
7960         shortened types.
7961         (common_type): Update comment.
7962
7963 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7964
7965         PR target/23095
7966         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7967         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7968         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7969
7970 2005-07-31  Jan Hubicka  <jh@suse.cz>
7971
7972         * pretty-print.h (pp_widest_integer): New macro.
7973         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7974         counts.
7975
7976 2005-07-31  Jan Hubicka  <jh@suse.cz>
7977
7978         * output.h (enum section_category): Export from varasm.c
7979         (categorize_decl_for_section): Likewise.
7980         * varasm.c (enum section_category): Kill.
7981         (categorize_decl_for_section): Make global.
7982         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7983         Declare.
7984         * i386.c (ix86_section_threshold): New static variable.
7985         (ix86_in_large_data_p, ix86_encode_section_info,
7986         x86_64_elf_unique_section,
7987         x86_64_elf_select_section): New functions.
7988         (TARGET_ENCODE_SECTION_INFO): Define
7989         (override_options): Enable medium model for PIC.
7990         (ix86_expand_prologue): Expand gen_set_got_rex64.
7991         (legitimate_constant_p): Handle new UNSPECs.
7992         (legitimate_pic_address_disp_p): Likewise.
7993         (legitimize_pic_address): Lower MEDIUM model addressing.
7994         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7995         (enum cmodel): Add MEDIUM_PIC.
7996         (SYMBOL_REF_FAR_ADDR_P): New macro.
7997         (SYMBOL_FLAG_FAR_ADDR): New flag.
7998         * i386.md (movdi): Support medium model.
7999         (set_got_rex64): New pattern.
8000         * i386.opt (mlarge-data-threshold): New flag.
8001         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8002         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8003         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8004         TARGET_ASM_UNIQUE_SECTION): New.
8005
8006         * invoke.texi (-mlarge_data_threshold): Document
8007
8008 2005-07-31  Jan Hubicka  <jh@suse.cz>
8009
8010         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8011         (coalesce_vars): Likewise.
8012         * tree-ssa-live.c (coalesce_cost): New.
8013         (build_tree_conflict_graph): Use coalesce_cost.
8014         * tree-ssa-live.h (coalesce_cost): Declare.
8015
8016 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8017
8018         * arm.md (all peepholes for post-increment operations): Delete.
8019         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8020         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8021         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8022         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8023         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8024
8025 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8026
8027         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8028         non-integral types.
8029
8030 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8031
8032         PR target/22582
8033         * doc/invoke.texi: Document -rdynamic.
8034
8035 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8036
8037         PR c/23143
8038         * c-parser.c (c_parser_parms_list_declarator): Call
8039         mark_forward_parm_decls.
8040         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8041         decls with visibility structure.
8042
8043 2005-07-30  Paul Brook  <paul@codesourcery.com>
8044
8045         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8046
8047 2005-07-30  Paul Brook  <paul@codesourcery.com>
8048
8049         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8050         prototype.
8051         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8052         value for mode.
8053         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8054
8055 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8056
8057         PR c/529
8058         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8059         nested function declarators.
8060         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8061         (grokparms): Call warn_if_shadowing for parameters used within the
8062         parameter list.
8063         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8064         not used within the parameter list.
8065         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8066
8067 2005-07-30  Jan Hubicka  <jh@suse.cz>
8068
8069         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8070         * i386.c (ix86_fixup_binary_operands): Likewise.
8071         (ix86_expand_unary_operator): Likewise.
8072         (ix86_expand_fp_absneg_operator): Likewise.
8073         * optabs.c (expand_vec_cond_expr): Validate dest.
8074
8075 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8076
8077         PR c/21720
8078         * real.c (real_from_string): Also set last bit if there is a
8079         nonzero hex digit beyond GCC's internal precision after ".".
8080
8081 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8082
8083         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8084         define_constants.  Change duplicate values to unassigned numbers.
8085         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8086         (*altivec_vspltsf): New.
8087         (altivec_vperm_v4sf): Delete.
8088         (altivec_vperm_<mode>): Use mode macro V.
8089         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8090         (altivec_predicate_v4sf): Delete.
8091         (altivec_predicate_<mode>): Use mode macro V.
8092         (*altivec_lvesfx): New.
8093         (*altivec_stvesfx): New.
8094         (vec_realign_load_v4sf): Delete.
8095         (vec_realign_load_<mode>): Use mode macro V.
8096         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8097         UNSPECV_SET_VRSAVE.
8098
8099 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8100
8101         PR bootstrap/23131
8102         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8103         string.
8104         * configure: Regenerated.
8105
8106 2005-07-29  Paul Brook  <paul@codesourcery.com>
8107
8108         * doc/install.texi: Add link to GFortran binaries wiki page.
8109
8110 2005-07-29  David Ung  <davidu@mips.com>
8111
8112         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8113         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8114         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8115         * config/mips/mips.md (cpu): Add 5kf name.
8116         (includes): Includes 5k.md.
8117         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8118         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8119         -march flag.
8120
8121 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8122
8123         PR 22550
8124         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8125         (cleanup_tree_cfg): ... here.
8126         Call cleanup_tree_cfg_1 until there are no more cleanups to
8127         do.
8128
8129 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8130
8131         * tree-vrp.c (compare_range_with_value): Return true or false
8132         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8133         EQ_EXPR respectively.
8134
8135 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8136
8137         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8138         Fix comment typos.
8139
8140 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8141
8142         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8143         (tree_ssa_dominator_optimize): Increment it.
8144         (dump_dominator_optimization_stats): Print it.
8145
8146 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8147             Steven Bosscher  <stevenb@suse.de>
8148
8149         PR rtl-optimization/23117
8150         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8151         when head == tail.  Tidy comment.
8152
8153 2005-07-28  Richard Henderson  <rth@redhat.com>
8154
8155         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8156         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8157         * jump.c (rtx_renumbered_equal_p): Likewise.
8158         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8159         CONST_INT and CONST_DOUBLE.
8160         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8161         * reload.c (operands_match_p): Special case CONST_INT and
8162         CONST_DOUBLE; check mode earlier.
8163
8164 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8165
8166         PR c/22240
8167         * c-typeck.c (convert_for_assignment): Do not check
8168         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8169
8170 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8171
8172         PR c/22192
8173         * c-typeck.c (composite_type): Prefer constant size arrays to
8174         VLAs.
8175
8176 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8177
8178         PR c/21720
8179         * real.c (real_from_string): Set last bit if there is a nonzero
8180         hex digit beyond GCC's internal precision.
8181
8182 2005-07-28  Richard Henderson  <rth@redhat.com>
8183
8184         PR rtl-opt/22619
8185         * cfgcleanup.c (try_forward_edges): Watch out for end of
8186         insn chain.
8187
8188 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8189
8190         PR c/23106
8191         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8192
8193 2005-07-28  Jan Hubicka  <jh@suse.cz>
8194
8195         * Makefile.in (rtl-profile.o): Kill all traces of it.
8196         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8197         * coverage.h (rtl_coverage_counter_ref): Kill.
8198         * opts.c (flag_speculative_prefetching_set): Kill.
8199         (flag_loop_optimize_set): New.
8200         (common_handle_option): Disable loop optimizer when profiling;
8201         do not handle speculative prefetching.
8202         * passes.c (init_optimization_passes): Replace pass_profiling combo
8203         by branch_prob pass.
8204         * profile.c (compute_value_histograms): Update for simplified value
8205         profiles.
8206         (rtl_register_profile_hooks): Kill.
8207         (pass_profiling): Kill.
8208         (rest_of_handle_branch_prob): Do not profile.
8209         * toplev.c (process_options): Remove speculative prefetching.
8210         * toplev.h (flag_tree_based_profiling): Kill.
8211         * tree-profile.c (prepare_instrumented_value,
8212         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8213         tree_gen_one_value_profiler, do_tree_profiling): Update for
8214         simplified datastructures.
8215         * value-prof.c: Add comment that speculative prefetching was dropped;
8216         update rest of file for simplified datastructures.
8217         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8218         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8219         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8220         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8221         rtl_mod_subtract, gen_speculative_prefetch,
8222         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8223         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8224         (gate_handle_value_profile_transformations,
8225         rest_of_handle_value_profile_transformations,
8226         pass_value_profile_transformations): Kill.
8227         * value-prof.h (histogram_value_t): Remove IL based unions.
8228         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8229         rtl_profile_hooks): Remove hooks.
8230
8231         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8232
8233         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8234         (cgraph_clone_node): Likewise.
8235         * cgraph.h (cgraph_clone_edge): Update prototype.
8236         (cgraph_clone_node): Likewise.
8237         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8238         cgraph_clone_node.
8239         (lookup_recursive_calls): Consider profile.
8240         (cgraph_decide_recursive_inlining): Fix updating; use new
8241         probability argument; use profile.
8242         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8243         * tree-inline.c (copy_bb): Update clal of clone_edge.
8244         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8245
8246         * invoke.texi (min-inline-recursive-probability): Document.
8247
8248 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8249
8250         * doc/install.texi (Configuration): Update Valgrind homepage.
8251
8252 2005-07-28  Richard Henderson  <rth@redhat.com>
8253
8254         PR middle-end/21362
8255         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8256         labels we want to delete.
8257         (cfg_layout_merge_blocks): Likewise.
8258
8259 2005-07-28  Richard Henderson  <rth@redhat.com>
8260
8261         PR target/17692
8262         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8263         when expanding to nothing.
8264
8265 2005-07-28  Josh Conner  <jconner@apple.com>
8266
8267         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8268         (cgraph_decide_inlining_of_small_functions): Likewise.
8269
8270 2005-07-28  Josh Conner  <jconner@apple.com>
8271
8272         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8273         direction of badness if negative.
8274         (cgraph_default_inline_p): Add reason to parameters, and assign it
8275         a value.
8276         (cgraph_decide_inlining_of_small_functions): New parameter in call
8277         to cgraph_default_inline_p.
8278         (cgraph_decide_inlining_incrementally): Likewise.
8279         * cgraphunit.c (decide_is_function_needed): Likewise.
8280         * cgraph.h (cgraph_default_inline_p): Likewise.
8281
8282 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8283
8284         * builtins.c: Fix comment typo(s).
8285         * genautomata.c: Likewise.
8286         * gimplify.c: Likewise.
8287         * tree-dfa.c: Likewise.
8288         * tree-flow-inline.h: Likewise.
8289         * tree-into-ssa.c: Likewise.
8290         * tree-ssa-alias.c: Likewise.
8291         * tree-ssa-ccp.c: Likewise.
8292         * tree-ssa-copy.c: Likewise.
8293         * tree-ssa-dce.c: Likewise.
8294         * tree-ssa-dom.c: Likewise.
8295         * tree-ssa-operands.c: Likewise.
8296         * tree-tailcall.c: Likewise.
8297         * tree-vectorizer.c: Likewise.
8298         * tree-vrp.c: Likewise.
8299         * tree.c: Likewise.
8300
8301 2005-07-28  Jeff Law  <law@redhat.com>
8302
8303         * tree-vrp.c (test_for_singularity): Extracted from  ...
8304         (simplify_cond_using_ranges): Attempt to simplify a relational
8305         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8306
8307 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8308
8309         PR tree-optimization/22506
8310         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8311         phis whose argument is constant.
8312
8313 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8314
8315         PR rtl-optimization/18992
8316         Back out this patch:
8317           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8318           PR optimization/12142
8319           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8320           uses of the register in the SET_SRC.  Remove unnecessary argument.
8321
8322         Replace it with this:
8323         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8324         if flag_non_call_exceptions is set and the insn may trap, pass
8325         pc_rtx as dest for recursion.
8326         In SET_SRC part of SET case, if dest is already set, pass it down
8327         unchanged.
8328
8329 2005-07-28  Jan Hubicka  <jh@suse.cz>
8330
8331         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8332         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8333         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8334         roundoff errors.
8335         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8336         profile when available.
8337
8338 2005-07-28  Jan Beulich <jbeulich@novell.com>
8339
8340         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8341         (ia64_print_operand): Describe and handle 'X'.
8342         (ia64_register_move_cost): Also handle FP_REGS.
8343         (ia64_preferred_reload_class): Likewise.
8344         (ia64_secondary_reload_class): Likewise.
8345         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8346         it. Also check for ITANIUM_CLASS_FLDP.
8347         * config/ia64/ia64.h (FP_REGNO_P): New.
8348         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8349         (reg_class): Add FP_REGS.
8350         (REG_CLASS_NAMES): Adjust for it.
8351         (REG_CLASS_CONTENTS): Likewise.
8352         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8353         (REG_CLASS_FROM_LETTER): Handle 'x'.
8354         (CLASS_MAX_NREGS): Handle FP_REGS.
8355         (MEMORY_MOVE_COST): Likewise.
8356         * config/ia64/ia64.md (itanium_class): Add fldp.
8357         (type): Handle fldp.
8358         (movti_internal): More allowable operand combinations. Use ldfp8 when
8359         splitting unnecessary. Remove predicable attribute. Adjust
8360         itanium_class attribute.
8361         (smuldi3_highpart): Remove outdated comment.
8362         (mulditi3, umulditi3, rotlti3): New expanders.
8363         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8364         (absti2): Disabled new insn for future reference.
8365         Respective new splitters.
8366         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8367         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8368         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8369
8370 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8371
8372         PR rtl-optimization/23047
8373         * simplify-rtx.c (simplify_const_relational_operation): Respect
8374         flag_wrapv for comparisons with ABS.
8375
8376 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8377
8378         PR tree-optimization/22493
8379         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8380         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8381
8382 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8383
8384         * config/frv/frv.opt (moptimize-membar): New.
8385
8386         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8387
8388         * config/frv/frv.h: Remove machine_function definition.
8389
8390         * config/frv/frv.c (struct frv_io): New.
8391         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8392         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8393         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8394         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8395         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8396         (frv_reorg): Call frv_optimize_membar when appropriate.
8397         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8398         (frv_expand_builtin): Adjust calls accordingly.
8399         (frv_io_address_cookie): New function.
8400         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8401         load or store rather than a special insn.  Add ccnstant address and
8402         io-type operands to the membar.
8403         (frv_ifcvt_modify_tests): Unsign regno.
8404         (frv_ifcvt_modify_tests): Same.
8405
8406         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8407         UNSPEC_OPTIONAL_MEMBAR constant.
8408         (builtin_read_<mode>): Delete.
8409         (builtin_write_<mode>): Delete.
8410         ("optional_membar_<mode>"): Add operand.
8411
8412         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8413         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8414         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8415         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8416         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8417         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8418         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8419         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8420         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8421
8422 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8423
8424         * df.c (df_uses_record): Handle SCRATCH.
8425
8426 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8427
8428         PR debug/20161
8429         * passes.c (rest_of_decl_compilation): If decl is a type and
8430         we have encountered errors, don't emit debug information.
8431
8432 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8433
8434         * params.def: Fixed comment.
8435
8436 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8437
8438         PR target/19885
8439         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8440         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8441         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8442
8443 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8444
8445         PR c++/22003
8446         * varasm.c (assemble_start_function): Don't do anything that may
8447         require a CFG if the current function is a thunk.
8448
8449 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8450
8451         * doc/install.texi (Prerequisites): Mention that perl is needed
8452         to do export control in libstdc++ targetting Darwin.
8453
8454 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8455
8456         PR rtl-optimization/17808
8457         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8458         (sched_insns_conditions_mutex_p): Split out from...
8459         (add_dependence): ...here.  But don't call it from here.
8460         (add_dependence_list): Check sched_insns_conditions_mutex_p
8461         before calling add_dependence.
8462         (add_dependence_list_and_free): Likewise.
8463         (fixup_sched_groups): Likewise.
8464         (sched_analyze_1): Likewise.
8465         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8466         (sched_analyze): Likewise.
8467         (sched_analyze_insn): Likewise.
8468         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8469         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8470         dependencies on all COND_EXEC insns to jumps ending basic blocks
8471         when doing intrablock scheduling.
8472         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8473
8474 2005-07-27  Jeff Law  <law@redhat.com>
8475
8476         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8477         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8478         equivalency sets, correctly handle the case were vr0 has an
8479         equivalency set, but vr1 does not.
8480
8481 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8482
8483         PR tree-optimization/23073
8484         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8485         vect_print_dump_info before fprintf.
8486
8487 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8488
8489         PR tree-optimize/22348
8490         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8491         Fold the partial computation.
8492
8493 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8494
8495         PR tree-optimization/22325
8496         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8497         Declare.
8498         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8499         value replacement.
8500         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8501         (force_var_cost): ... this function.
8502         (compute_phi_arg_on_exit): Export.
8503
8504 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8505
8506         PR tree-optimization/20773
8507         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8508         edge.
8509
8510 2005-07-27  Richard Guenther  <rguenther@suse.de>
8511
8512         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8513         Avoid pushing again if current struct contains only
8514         fields we decomposed.
8515
8516 2005-07-27  Jan Hubicka  <jh@suse.cz>
8517
8518         PR tree-optimization/22574
8519         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8520         not available.
8521
8522         * tree-tailcall.c (decrease_profile): New function.
8523         (eliminate_tail_call): Use it.
8524
8525         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8526         visibility flags correctly in whole program mode.
8527
8528 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8529
8530         PR rtl-optimization/22472
8531         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8532
8533 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8534
8535         PR tree-optimization/22504
8536         * tree-complex.c (expand_complex_addition): Use 'code' instead
8537         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8538
8539 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8540
8541         * config.gcc (cpu_type): Add frv case.
8542         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8543         (supported_defaults): Add fr550 case.
8544
8545 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8546
8547         PR 22591
8548         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8549         whether a pointer of type T * may point to objects of type T *.
8550
8551 2005-07-26  DJ Delorie  <dj@redhat.com>
8552
8553         * configure: Regenerate.
8554
8555 2005-07-26  Dale Johannesen  <dalej@apple.com>
8556
8557         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8558
8559 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8560
8561         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8562         Clarify use of "build" in name.
8563
8564 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8565
8566         * doc/extend.texi (Raw read/write Functions): New section.
8567         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8568         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8569         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8570         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8571         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8572         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8573         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8574         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8575         * config/frv/frv.c: Add bdesc_loads global.
8576         Add bdesc_stores global.
8577         (frv_init_builtins): Add support for __builtin_{read/write}*.
8578         (frv_volatile_memref): New.
8579         (frv_expand_load_builtin): New.
8580         (frv_expand_store_builtin): New.
8581         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8582         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8583         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8584         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8585         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8586         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8587         (builtin_read_<mode>): New.
8588         (builtin_write_<mode>): New.
8589         (builtin_write64): New.
8590         (optional_membar_<mode>): New.
8591
8592 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8593
8594         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8595         (rather than units) against HOST_BITS_PER_WIDE_INT.
8596
8597 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8598
8599         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8600         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8601         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8602         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8603         FSF address.
8604
8605         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8606         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8607         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8608         comment typos.
8609         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8610
8611 2005-07-26  Richard Guenther  <rguenther@suse.de>
8612
8613         PR tree-optimization/22486
8614         * fold-const.c (fold_unary): Fold away useless component
8615         references of the form (T *)&T.x, if the address
8616         doesn't change.
8617
8618 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8619
8620         * dwarf2out.c (add_call_src_coords_attributes): New.
8621         (gen_inlined_subroutine_die): Call it.
8622         (maybe_emit_file, init_file_table): Add comments.
8623         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8624         maybe_emit_file.
8625         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8626         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8627         * tree.h (BLOCK_SOURCE_LOCATION): New.
8628         (struct tree_block): New field locus.
8629
8630 2005-07-26  Andreas Schwab  <schwab@suse.de>
8631
8632         PR rtl-optimization/23043
8633         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8634         when allocating a struct unoccr.
8635
8636 2005-07-25  Richard Henderson  <rth@redhat.com>
8637
8638         PR 22626
8639         * tree-complex.c (gate_no_optimization): True if errors.
8640         * Makefile.in (tree-complex.o): Update dependencies.
8641
8642 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8643
8644         * config/frv/predicates.md (integer_register_operand): Use
8645         GPR_AP_OR_PSEUDO_P.
8646
8647 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8648
8649         PR tree-opt/22484
8650         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8651         after fold.
8652         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8653
8654 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8655
8656         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8657         types when flag_unsafe_math_optimizations is true.
8658
8659 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8660
8661         * gcc.c (option_map): Add --sysroot.
8662         (process_command): Handle --sysroot.
8663         (display_help): Document it.
8664         * doc/cppopts.tex (-isysroot): Document.
8665         * doc/invoke.texi (--sysroot): Document.
8666         * doc/install.texi (--with-build-sysroot): Document.
8667
8668         * Makefile.in (inhibit_libc): New variable.
8669         (INHIBIT_LIBC_CFLAGS): Likewise.
8670         (LIBGCC2_CFLAGS): Include
8671         $(INHIBIT_LIBC_CFLAGS).
8672         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8673         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8674         ($(T)crtend.o): Likewise.
8675         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8676         ($(T)crtendS.o): Likewise.
8677         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8678         ($(T)crtendT.o): Likewise.
8679         (stmp-fixinc): Do not complain about missing headers if
8680         inhibit_libc.
8681         * configure.ac (inhibit_libc): Set it to true/false.
8682         (--with-build-sysroot): New option.  Use it to set
8683         SYSTEM_HEADER_DIR.
8684         * configure: Regenerated.
8685
8686 2005-07-25  Manfred Hollstein  <mh@suse.com>
8687
8688         * calls.c (store_one_arg): Fix unsigned comparison warning.
8689
8690 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8691
8692         PR other/22337
8693         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8694         (ggc_print_statistics): Initialize variable before use.
8695
8696 2005-07-25  Richard Guenther  <rguenther@suse.de>
8697
8698         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8699         calling with a PHI_NODE argument.
8700
8701         * tree-flow-inline.h (overlap_subvar): Protect against
8702         possible overflow.
8703
8704 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8705
8706         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8707         * configure: Regenerate.
8708
8709 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8710
8711         * expr.c (highest_pow2_factor): Make extern.
8712         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8713         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8714         record_array_differ_p, array_ptr_differ_p): Likewise.
8715         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8716         additional cases. Call the above functions.
8717         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8718         base_object_differ_p when there are two base objects. Otherwise, compare
8719         base address and offset. Call may_alias_p.
8720         (dump_data_reference): Use a correct field name.
8721         (analyze_array): Make static. Initialize new data-ref fields.
8722         (analyze_indirect_ref): New function.
8723         (init_data_ref): Initialize new data-ref fields.
8724         (strip_conversion): Moved from tree-vect-analyze.c.
8725         (analyze_offset_expr, get_ptr_offset, address_analysis,
8726         object_analysis): Likewise.
8727         (analyze_offset): New function.
8728         (create_data_ref): Likewise.
8729         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8730         dimensions for ARRAY_REFs only.
8731         (build_classic_dist_vector): Make static.
8732         (access_functions_are_affine_or_constant_p): Call macro to get the
8733         address of access functions.
8734         (compute_all_dependences): Add new parameter
8735         compute_self_and_read_read_dependences. Compute self and read-read
8736         dependences if it is true.
8737         (find_data_references_in_loop): Call create_data_ref. Initialize new
8738         data-ref fields.
8739         (compute_data_dependences_for_loop): Add new parameter
8740         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8741         compute nb_loops. Call compute_all_dependences,
8742         build_classic_dist_vector and build_classic_dir_vector with correct
8743         parameters.
8744         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8745         with correct parameters. Compare dimensions for ARRAY_REFs only.
8746         (free_data_refs): Call macro to free access functions.
8747         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8748         fields from stmt_vinfo.
8749         (struct base_object_info): New structure.
8750         (struct data_reference): Move fields to base_object_info. Add fields
8751         first_location and object_info for above structures. Move fields from
8752         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8753         aligned_to.  Add macros to access the new fields.
8754         Update functions declarations.
8755         * tree-flow.h (is_aliased_with): Declare.
8756         * tree-loop-linear.c (linear_transform_loops): Call
8757         compute_data_dependences_for_loop with correct parameters.
8758         * tree-ssa-alias.c (is_aliased_with): New function.
8759         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8760         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8761         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8762         vect_base_addr_differ_p, compute_subscript_distance and
8763         build_classic_dist_vector. Add printings. Check absolute value of
8764         distance.
8765         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8766         data-refs.
8767         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8768         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8769         to bytes. Add printing.
8770         (vect_compute_data_refs_alignment): Go through loads and stores in one
8771         loop.
8772         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8773         vect_analyze_data_ref_access): Likewise.
8774         (vect_analyze_pointer_ref_access): Remove.
8775         (vect_address_analysis, vect_object_analysis): Likewise.
8776         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8777         and analyze data-refs in the loop.
8778         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8779         fields of data-ref instead of stmt. Add init to the offset from the
8780         base.
8781         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8782         (vect_update_init_of_dr): Likewise.
8783         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8784         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8785         removed fields.
8786         (new_loop_vec_info): Initialize new fields.
8787         (destroy_loop_vec_info): Free new fields.
8788         (vect_strip_conversion): Remove.
8789         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8790         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8791         datarefs. Add new field ddrs.
8792         Add macros for the new fields access.
8793         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8794         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8795         Remove their macros.
8796         * tree.h (highest_pow2_factor): Declare.
8797
8798 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8799
8800         * calls.c (store_one_arg): Check for sibling call MEM arguments
8801         from already clobbered incoming argument area.
8802
8803 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8804
8805         * c-common.c (check_missing_format_attribute): New.
8806         * c-common.h (check_missing_format_attribute): Likewise.
8807         * c-typeck.c (convert_for_assignment): Use it.
8808
8809 2005-07-24  Andreas Schwab  <schwab@suse.de>
8810
8811         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8812         register use a word move.  Correct operand of ext.w in 68000 code.
8813
8814 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8815
8816         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8817         variables as declarations, rather than definitions.
8818
8819 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8820
8821         PR tree-optimization/22526
8822         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8823         of the zero node.
8824
8825 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8826
8827         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8828         that C99 reserve for future use. Use it to define clog10,
8829         clog10f and clog10l.
8830
8831 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8832
8833         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8834         * configure.ac: Check for -Wmissing-format-attribute.
8835
8836         * configure: Regenerate.
8837
8838 2005-07-23  Richard Henderson  <rth@redhat.com>
8839
8840         PR tree-optimization/22623
8841         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8842
8843 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8844
8845         PR target/22577
8846         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8847
8848 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8849
8850         * Makefile.in (C_TREE_H): Update dependencies.
8851         * c-tree.h: Include toplev.h.
8852         * diagnostic.h (diagnostic_set_info): Add format attribute.
8853         * rtl-error.c (diagnostic_for_asm): Likewise.
8854
8855 2005-07-23  Chao-ying Fu  <fu@mips.com>
8856
8857         * config/mips/mips-dsp.md: New file.
8858         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8859         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8860         functions.
8861         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8862         MIPS_BUILTIN_BPOSGE32.
8863         (mips_expand_builtin_direct): Add one parameter to indicate that
8864         builtin functions need to return a value.
8865         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8866         functions.
8867         (mips_regno_to_class): Add classes for 12 new DSP registers.
8868         (mips_subword): Change to check four HI registers.
8869         (mips_output_move): Output move to and from 6 new DSP accumulators.
8870         (override_options): Make sure -mdsp and -mips16 are not used together.
8871         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8872         for machine modes.
8873         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8874         when !TARGET_DSP.
8875         (print_operand): Add 'q' for printing DSP accumulators.
8876         (mips_cannot_change_mode_class): Check ACC_REGS.
8877         (mips_secondary_reload_class): Check ACC_REGS.
8878         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8879         (mips_register_move_cost): Check ACC_REGS.
8880         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8881         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8882         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8883         (dsp_bdesc): New array.
8884         (bdesc_arrays): Add DSP builtin function table.
8885         (mips_prepare_builtin_arg): Check predicate again after
8886         copy_to_mode_reg.
8887         (mips_expand_builtin): Add one more parameter to
8888         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8889         MIPS_BUILTIN_BPOSGE32.
8890         (mips_init_builtins): Initialize new function types.
8891         (mips_expand_builtin_direct): Check if builtin functions need to
8892         return a value and pass operands properly.
8893         (mips_expand_builtin_bposge): New function.
8894         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8895         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8896         (FIRST_PSEUDO_REGISTER): Increase to 188.
8897         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8898         Update for 12 new DSP registers.
8899         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8900         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8901         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8902         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8903         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8904         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8905         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8906         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8907         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8908         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8909         (REGISTER_NAMES): Add names for 12 new DSP registers.
8910         * config/mips/mips.md: Include mips-dsp.md.
8911         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8912         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8913         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8914         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8915         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8916         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8917         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8918         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8919         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8920         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8921         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8922         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8923         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8924         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8925         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8926         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8927         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8928         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8929         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8930         (UNSPEC_RDDSP): New constants.
8931         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8932         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8933         A<-d alternative.
8934         * config/mips/mips.opt (-mdsp): New option.
8935         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8936         (reg_imm10_operand): New predicates.
8937         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8938         * doc/invoke.texi (-mdsp): Document new option.
8939
8940 2005-07-22  DJ Delorie  <dj@redhat.com>
8941
8942         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8943         to warning calls.
8944         * tree-inline.c (inlinable_function_p): Likewise.
8945
8946 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8947
8948         PR debug/21828
8949         * toplev.c (check_global_declarations): Do not mark undefined
8950         variables as DECL_IGNORED_P.
8951         * varasm.c (first_global_object_name): GTY it.
8952         (weak_global_object_name): Likewise.
8953         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8954         a string to go into {weak,first}_global_object_name.
8955
8956 2005-07-22  DJ Delorie  <dj@redhat.com>
8957
8958         * c-format.c (check_function_format): Change warning control
8959         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8960
8961 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8962
8963         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8964         &PTR->FLD a dereference of PTR.
8965         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8966         a potential dereference of PTR.
8967
8968 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8969
8970         PR rtl-optimization/20370
8971         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8972         call allocate_reg_info if necessary.
8973
8974         PR rtl-optimization/21848
8975         * calls.c (emit_library_call_value_1): For const functions, add
8976         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8977
8978         PR rtl-optimization/22445
8979         * cselib.c (target.h): Include.
8980         (rtx_equal_for_cselib_p): Allow commutative matches.
8981         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8982         Remove MODE parameter.  Changed all callers.
8983
8984         PR rtl-optimization/22258
8985         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8986         New functions.
8987         (try_combine): Use likely_spilled_retval_p.
8988
8989 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8990
8991         * config.gcc: Add crx-elf support.
8992
8993         * doc/contrib.texi: Mention crx.
8994         * doc/extend.texi: Document crx extensions.
8995         * doc/install.texi: Document crx install.
8996         * doc/invoke.texi: Document crx options.
8997         * doc/md.texi: Document crx constraints.
8998
8999         * config/crx/crx-protos.h: New file.
9000         * config/crx/crx.c: New file.
9001         * config/crx/crx.h: New file.
9002         * config/crx/crx.md: New file.
9003         * config/crx/crx.opt: New file.
9004         * config/crx/t-crx: New file.
9005
9006 2005-07-22  Manfred Hollstein  <mh@suse.com>
9007
9008         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9009         warnings.
9010         (int_add_graph_edge): Likewise.
9011         (collapse_nodes): Likewise.
9012         (process_unification_queue): Likewise.
9013
9014 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9015             Laurent GUERBY  <laurent@guerby.net>
9016
9017         PR tree-optimization/22336
9018         * function.c (record_block_change): Check for
9019         cfun->ib_boundaries_block.
9020
9021 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9022
9023         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9024         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9025
9026 2005-07-21  DJ Delorie  <dj@redhat.com>
9027
9028         * toplev.c (warn_deprecated_use): Add warning control to warning
9029         call.
9030         * c-typeck.c (parser_build_binary_op): Likewise.
9031         (c_finish_if_stmt): Likewise.
9032         * c-common.c (check_function_sentinel): Likewise.
9033         (check_nonnull_arg): Likewise.
9034
9035 2005-07-21  Richard Henderson  <rth@redhat.com>
9036
9037         PR tree-opt/22504
9038         * tree-complex.c (complex_ssa_name_components): New.
9039         (cvc_lookup): Allow entry not found.
9040         (create_components): Remove.
9041         (create_one_component_var, get_component_var): New.
9042         (get_component_ssa_name, set_component_ssa_name): New.
9043         (extract_component): Use get_component_ssa_name.
9044         (update_complex_components): Use set_component_ssa_name.
9045         (update_complex_components_on_edge): Likewise.
9046         (update_phi_components): Create new PHI nodes directly, instead
9047         of adding insns to edges.
9048         (tree_lower_complex): Allocate and free complex_variable_components
9049         and complex_ssa_name_components here.
9050
9051 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9052
9053         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9054         revert to returning false.
9055
9056 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9057
9058         PR target/21149
9059         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9060
9061 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9062
9063         PR target/22576
9064         * config/i386/i386.md (cmpxf): Change operand constraints
9065         to "nonmemory_operand".
9066
9067 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9068
9069         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9070
9071 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9072
9073         PR middle-end/21180
9074         * fold-const.c (fold_build1): Add checksum for the operands.
9075         (fold_build2): Likewise.
9076         (fold_build3): Likewise.
9077
9078 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9079
9080         PR middle-end/19055
9081         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9082
9083 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9084
9085         * common.opt (-fforward-propagate): Committed by mistake,
9086         removed.
9087
9088 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9089
9090         * reg-stack.c: Fix comment typo(s).
9091         * tree-ssa-operands.c: Likewise.
9092         * tree-vectorizer: Likewise.
9093
9094 2005-07-21  Nick Clifton  <nickc@redhat.com>
9095
9096         * config/sh/symbian.c: Replace C++ style line comments with C
9097         style line comments.
9098         (symbian_add_attribute): Do not use a ? operator on the LHS of
9099         an assignment.
9100         (sh_symbian_handle_dll_attribute): Change the type of the
9101         method vector to "VEC(tree,gc)*" and use vector accessor
9102         macros to walk over the elements.
9103         (symbian_export_vtable_and_rtti_p): Likewise.
9104         (symbian_class_needs_attribute_p): Likewise.
9105
9106 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9107
9108         PR target/22085
9109         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9110         initialize targetm.resolve_overloaded_builtin here.
9111         (altivec_expand_overloaded_builtin): Make it non-static.
9112         * config/rs6000/rs6000-protos.h
9113         (altivec_expand_overloaded_builtin): New prototype.
9114         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9115         targetm.resolve_overloaded_builtin here.
9116         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9117
9118 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9119             Zdenek Dvorak  <dvorakz@suse.cz>
9120
9121         PR tree-optimization/19210
9122         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9123         New.
9124         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9125         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9126         rely on unproven assumptions.
9127         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9128         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9129         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9130         to number_of_iterations_exit.
9131         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9132         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9133         * tree-ssa-loop-niter.c (find_loop_niter,
9134         estimate_numbers_of_iterations_loop): Likewise.
9135         (number_of_iterations_exit): Honor the new options.
9136         * doc/invoke.texi (Wunsafe-loop-optimizations,
9137         funsafe-loop-optimizations): Document them.
9138
9139 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9140
9141         PR rtl-optimization/22167
9142         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9143
9144 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9145
9146         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9147         __do_global_dtors_aux longcall.
9148
9149 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9150
9151         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9152         (old_special_pred_table): Don't reference
9153         SPECIAL_MODE_PREDICATES.
9154         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9155         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9156         * config/sh/predicates.h: Don't mention
9157         SPECIAL_MODE_PREDICATES.
9158         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9159         Remove.
9160
9161 2005-07-20  DJ Delorie  <dj@redhat.com>
9162
9163         * config.gcc: Add m32c-elf support.
9164
9165         * doc/contrib.texi: Mention m32c.
9166         * doc/extend.texi: Document m32c extensions.
9167         * doc/install.texi: Mention m32c.
9168         * doc/invoke.texi: Document m32c options.
9169         * doc/md.texi: Document m32c constraints.
9170
9171         * config/m32c/addsub.md: New file.
9172         * config/m32c/bitops.md: New file.
9173         * config/m32c/cond.md: New file.
9174         * config/m32c/jump.md: New file.
9175         * config/m32c/m32c-lib1.S: New file.
9176         * config/m32c/m32c-lib2.c: New file.
9177         * config/m32c/m32c-modes.def: New file.
9178         * config/m32c/m32c-pragma.c: New file.
9179         * config/m32c/m32c-protos.h: New file.
9180         * config/m32c/m32c.abi: New file.
9181         * config/m32c/m32c.c: New file.
9182         * config/m32c/m32c.h: New file.
9183         * config/m32c/m32c.md: New file.
9184         * config/m32c/m32c.opt: New file.
9185         * config/m32c/minmax.md: New file.
9186         * config/m32c/mov.md: New file.
9187         * config/m32c/muldiv.md: New file.
9188         * config/m32c/predicates.md: New file.
9189         * config/m32c/prologue.md: New file.
9190         * config/m32c/shift.md: New file.
9191         * config/m32c/t-m32c: New file.
9192
9193 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9194
9195         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9196         (stack_protect_set, stack_protect_test): New expanders.
9197         (stack_protect_set_si, stack_protect_set_si_media,
9198         stack_protect_set_di_media, stack_protect_test_si,
9199         stack_protect_test_si_media, stack_protect_test_di_media):
9200         New insns.
9201
9202 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9203
9204         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9205
9206 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9207
9208         * tree.h (tree_expr_nonzero_p): Export.
9209         * fold-const.c (tree_expr_nonzero_p): Likewise.
9210         Return true for CALL_EXPRs that are alloca calls.
9211         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9212         against zero.
9213         * tree-flow.h (expr_computes_nonzero): Remove.
9214         * tree-vrp.c (expr_computes_nonzero): Remove.
9215         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9216         (extract_range_from_unary_expr): Likewise.
9217         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9218         tree_expr_nonzero_p.
9219
9220 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9221
9222         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9223         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9224         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9225         All callers changed.
9226         (frame_related_constant_load): New arg "related" which controls
9227         setting of RTX_FRAME_RELATED_P.  All callers changed.
9228         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9229         (bfin_expand_prologue): Add stack limit checking.
9230         * config/bfin/bfin.md (trapifcc): New pattern.
9231
9232         * config/bfin/bfin.c: Include "langhooks.h".
9233         (def_builtin): Go through lang_hooks to call builtin_function.
9234
9235         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9236         * config/bfin/predicates.md (symbol_ref_operand): New.
9237         (call_insn_operand): Delete.  All callers changed to use
9238         register_no_elim_operand.
9239         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9240         call_cookie field.
9241         (function_arg): Use it to generate the call's operand 2.
9242         (bfin_longcall_p): New function.
9243         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9244         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9245         determine if the address needs to be in a REG.
9246         (bfin_handle_longcall_attribute): New function.
9247         (bfin_attribute_table): Add "longcall" and "shortcall".
9248         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9249         (CUMULATIVE_ARGS): New member call_cookie.
9250         (PREDICATE_CODES): Add symbol_ref_operand.
9251         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9252         extra USE to the pattern.
9253         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9254         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9255         sibcall_value_insn; now the new patterns handle direct calls and the
9256         old ones indirect calls.
9257         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9258
9259 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9260
9261         * doc/trouble.texi: Update section on handling of empty loops.
9262
9263 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9264
9265         * config.gcc: Remove support for sparc-*-openbsd*,
9266         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9267         ns32k-*-netbsd*.
9268         * config.host: Remove support for i860-*-sysv4* as a host.
9269         * config/i860/*, config/ip2k/*, config/ns32k/*,
9270         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9271         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9272         mention obsolete ports.
9273
9274 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9275
9276         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9277         soft frame pointer.
9278         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9279         of frame_pointer_rtx.
9280         (sh_expand_epilogue): Likewise.
9281         (sh_set_return_address): Likewise.
9282         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9283         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9284         offsets from FRAME_POINTER_REGNUM.
9285         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9286         (sh_register_names): Add initializer for sfp.
9287         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9288         (VALID_REGISTER_P): Likewise.
9289         (FIRST_PSEUDO_REGISTER): Update.
9290         (DWARF_FRAME_REGISTERS): Define.
9291         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9292         (HARD_FRAME_POINTER_REGNUM): Define.
9293         (FRAME_POINTER_REGNUM): Redefine.
9294         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9295         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9296         from FRAME_POINTER_REGNUM.
9297         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9298         FRAME_POINTER_REGNUM.
9299         (REG_CLASS_CONTENTS): Add sfp.
9300         (REG_ALLOC_ORDER): Likewise.
9301         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9302         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9303         of frame_pointer_rtx.
9304         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9305
9306 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9307
9308         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9309         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9310         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9311         of an ABS_EXPR.
9312         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9313         ABS_EXPR<x>.
9314
9315 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9316
9317         Make CONSTRUCTOR use VEC to store initializers.
9318         * c-common.c (complete_array_type): Update to cope with VEC in
9319         CONSTRUCTOR_ELTS.
9320         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9321         (pp_c_constructor_elts): New function.
9322         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9323         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9324         struct constructor_stack, struct initializer_stack,
9325         constructor_elements, push_init_level, pop_init_level,
9326         add_pending_init, find_init_member, output_init_element): Update to
9327         cope with VEC in CONSTRUCTOR_ELTS.
9328         * coverage.c (build_fn_info_value, build_ctr_info_value,
9329         build_gcov_info): Likewise.
9330         * expr.c (categorize_ctor_elements_1, store_constructor,
9331         expand_expr_real_1): Likewise.
9332         * fold-const.c (fold_ternary): Likewise.
9333         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9334         gimplify_init_constructor, gimplify_expr): Likewise.
9335         * tree-dump.c (dequeue_and_dump): Likewise.
9336         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9337         node.
9338         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9339         CONSTRUCTOR_ELTS.
9340         * tree-sra.c (generate_element_init_1): Likewise.
9341         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9342         * tree-ssa-operands.c (get_expr_operands): Likewise.
9343         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9344         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9345         (get_initial_def_for_reduction): Likewise.
9346         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9347         value handle in annotations.
9348         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9349         tree_node_structure): Add support for constr_kind.
9350         (build_vector_from_ctor, build_constructor_single,
9351         build_constructor_from_list): New functions.
9352         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9353         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9354         Update to cope with VEC in CONSTRUCTOR_ELTS.
9355         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9356         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9357         CONSTRUCTOR_APPEND_ELT): New macros.
9358         (struct constructor_elt, struct tree_constructor): New data types.
9359         (union tree_node): Add tree_constructor field.
9360         * treestruct.def: Define TS_CONSTRUCTOR.
9361         * varasm.c (const_hash_1, compare_constant, copy_constant,
9362         compute_reloc_for_constant, output_addressed_constants,
9363         initializer_constant_valid_p, output_constant,
9364         array_size_for_constructor, output_constructor): Update to cope with
9365         VEC in CONSTRUCTOR_ELTS.
9366         * vec.h (VEC_empty, VEC_copy): New macros.
9367
9368 2005-07-19  Devang Patel  <dpatel@apple.com>
9369
9370         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9371
9372 2005-07-19  Richard Henderson  <rth@redhat.com>
9373
9374         PR tree-opt/22278
9375         * gimplify.c (gimplify_expr): Use main variant type for the temp
9376         destination for a discarded volatile read.
9377         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9378         casts between non-void types that change volatility.
9379
9380 2005-07-15  DJ Delorie  <dj@redhat.com>
9381
9382         * toplev.h: Add comment about the first parameter for warning().
9383         * errors.h: Likewise.
9384
9385         * c.opt (Wpragmas): New.
9386         * doc/invoke.texi: Document it.
9387
9388         * function.c (do_warn_unused_parameter): Add warning control to
9389         warning call.
9390         * c-decl.c (warn_if_shadowing): Likewise.
9391         * c-lex.c (cb_def_pragma): Likewise.
9392         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9393         (pop_alignment): Likewise.
9394         (handle_pragma_pack): Likewise.
9395         (apply_pragma_weak): Likewise.
9396         (handle_pragma_weak): Likewise.
9397         (handle_pragma_redefine_extname): Likewise.
9398         (add_to_renaming_pragma_list): Likewise.
9399         (handle_pragma_extern_prefix): Likewise.
9400         (maybe_apply_renaming_pragma): Likewise.
9401         (handle_pragma_visibility): Likewise.
9402
9403         * config/c4x/c4x-c.c (BAD): Likewise.
9404         (c4x_parse_pragma): Likewise.
9405         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9406         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9407         (rs6000_pragma_longcall): Likewise.
9408         * config/v850/v850-c.c (pop_data_area): Likewise.
9409         (ghs_pragma_section): Likewise.
9410         (ghs_pragma_section): Likewise.
9411         (ghs_pragma_interrupt): Likewise.
9412         (ghs_pragma_starttda): Likewise.
9413         (ghs_pragma_startsda): Likewise.
9414         (ghs_pragma_startzda): Likewise.
9415         (ghs_pragma_endtda): Likewise.
9416         (ghs_pragma_endsda): Likewise.
9417         (ghs_pragma_endzda): Likewise.
9418
9419 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9420             Kenneth Zadeck <zadeck@naturalbridge.com>
9421
9422         * Makefile.in: Removed tree-promote-statics.c
9423         * tree-promote-statics.c: Removed.
9424         * common.opt: Removed flag-promote-statics.
9425         * opts.c: Ditto.
9426         * passes.c: Removed tree-promote-statics pass.
9427         * tree-pass.h: Ditto.
9428         * timevar.def: Removed TV_PROMOTE_STATICS.
9429
9430
9431 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9432
9433         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9434         and *-*-freebsd9.
9435         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9436
9437 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9438
9439         PR c/22476
9440         * c-common.c (check_function_arguments): Call
9441         'check_function_format' if either -Wformat or
9442         -Wmissing-format-attribute are specified.
9443         * c-format.c (check_function_format): Check -Wformat before
9444         calling 'check_format_info'.
9445         * c-opts.c (c_common_post_options): Don't warn for
9446         -Wmissing-format-attribute without -Wformat.
9447         * c-typeck.c (convert_for_assignment): Detect additional cases for
9448         -Wmissing-format-attribute.
9449         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9450         behavior.
9451
9452 2005-07-19  Richard Guenther  <rguenther@suse.de>
9453
9454         * config/i386/i386.md (lrint<mode>2): Use temporary
9455         instead of clobbering non-existent memory.
9456
9457 2005-07-19  Nick Clifton  <nickc@redhat.com>
9458
9459         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9460         statement to avoid displaying ASCII control characters.
9461
9462 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9463
9464         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9465         * cfganal.c (find_edge_index): Ditto.
9466         * combine.c (combine_instructions): Ditto.
9467         * ddg.c (create_scc): Ditto.
9468         (find_successors): Ditto.
9469         (find_predecessors): Ditto.
9470         (find_nodes_on_paths): Ditto.
9471         (longest_simple_path): Ditto.
9472         * flow.c (update_life_info): Ditto.
9473         (count_or_remove_death_notes): Ditto.
9474         (clear_log_links): Ditto.
9475         * modulo-sched.c (generate_reg_moves): Ditto.
9476         (find_max_asap): Ditto.
9477         (find_max_hv_min_mob): Ditto.
9478         (find_max_dv_min_mob): Ditto.
9479         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9480         * sched-rgn.c (extract_edgelst): Ditto.
9481         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9482         (dump_update_ssa): Ditto.
9483         (ssa_names_to_replace) Ditto.
9484         (switch_virtuals_to_full_rewrite): Ditto.
9485         (update_ssa): Ditto.
9486         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9487
9488 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9489
9490         Fix PR tree-optimization/22483
9491
9492         * tree-complex.c (create_components): Use
9493         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9494         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9495         * tree-flow.h (safe_referenced_var_iterator): New structure.
9496         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9497         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9498         safe_referenced_var iterator.
9499         (add_type_alias): Ditto.
9500
9501 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9502
9503         * loop-init.c (rest_of_handle_loop2): Remove.
9504         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9505         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9506         (pass_rtl_loop_init, pass_rtl_loop_done,
9507         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9508         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9509         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9510         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9511         pass_tree_loop_done, and pass_tree_unswitch.
9512         (gate_loop): Rename to gate_tree_loop.
9513         * passes.c (init_optimization_passes): Update for renamed tree
9514         loop passes.  Add the new loop2 passes as subpasses of loop2.
9515         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9516         Update for the renamed tree loop passes.
9517
9518 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9519
9520         PR middle-end/22057
9521         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9522         blocks when optimizing.
9523
9524 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9525
9526         * common.opt (frename-registers): Initialize to 2.
9527         (fweb): Ditto.
9528         (fgcse-after-reload): Ditto.
9529         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9530         (process_options): Only change flag_web, flag_rename_registers,
9531         and flag_rerun_cse_after_loop if not explicitly set by user.
9532
9533 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9534
9535         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9536         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9537         in 64-bit mode the same as DImode in 32-bit mode.
9538         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9539         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9540         mode. Add new mode parameter.
9541         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9542         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9543         x86_64_shift_adj): New expanders.
9544         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9545         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9546         insns.
9547         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9548         DImode shift splitters.
9549         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9550         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9551         mode parameter.
9552
9553 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9554
9555         * i386.md (movdi_extzv_1): New.
9556         (zero_extendhidi2): Combine alternatives and never force use of
9557         REX64 prefix.
9558         (zero_extendqidi2): Likewise. Don't restrict input selection.
9559
9560 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9561
9562         Fix PR tree-optimization/22531
9563         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9564          moment.
9565
9566 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9567
9568         * tree-promote-statics.c (pass_promote_statics): Change dump file
9569          name.
9570
9571 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9572
9573         * tree-optimize.c (init_tree_optimization_passes): Add
9574         pass_eliminate_useless_stores pass.
9575         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9576         * tree-ssa-pre.c (is_copy_stmt): New function.
9577         (follow_copies_till_vuse): Ditto.
9578         (do_eustores): Ditto.
9579         (gate_eustores): Ditto.
9580
9581 2005-07-16  Richard Henderson  <rth@redhat.com>
9582
9583         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9584
9585 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9586            Kenneth Zadeck <zadeck@naturalbridge.com>
9587
9588         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9589         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9590         ipa-type-escape.h, tree-promote-statics.c
9591         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9592         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9593         tree-promote-statics.c: new files.
9594         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9595         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9596         int nonlocal_set_p, mark_constant_function): Deleted.
9597         (rest_of_handle_cfg): Removed call to mark_constant_function.
9598         (nonoverlapping_component_refs_p): Added calls to support
9599         type based aliasing.
9600         * tree-ssa-alias.c (may_alias_p,
9601         compute_flow_insensitive_aliasing): Ditto.
9602         * calls.c (flags_from_decl_or_type): Removed reference to
9603         cgraph_rtl_info.
9604         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9605         too many arguments.  This is necessary for Spec 2000.
9606         * cgraph.h (const_function, pure_function): Removed.
9607         * common.opt: Added "fipa-pure-const", "fipa-reference",
9608         "fipa-type-escape", and "ftree-promote-static".
9609         * opts.c: Ditto.
9610         * passes.c: Added ipa and tree-promote-statics passes.
9611         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9612         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9613         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9614         * tree-flow.h: Added exposed sra calls and addition of
9615         reference_vars_info field for FUNCTION_DECLS.
9616         * tree-pass.h: Added passes.
9617         * tree-sra.c: (sra_init_cache): New function.
9618         (sra_insert_before, sra_insert_after) Made public.
9619         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9620         and made public.
9621         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9622         aliasing. (may_alias_p): Added code to use type escape analysis to
9623         improve alias sets.
9624         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9625         code to prune clobbers of static variables based on information
9626         produced in ipa-reference pass.  Changed call clobbering so that
9627         statics are not marked as clobbered if the call does not clobber
9628         them.
9629
9630 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9631
9632         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9633         too.
9634
9635 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9636
9637         * doc/install.texi (*-*-solaris2*): Document recommended version
9638         of GNU binutils and mention GNU linker problem on Solaris 10.
9639
9640 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9641
9642         PR c/22421
9643         * c-decl.c (c_build_bitfield_integer_type): New function.
9644         (finish_struct): Call it.
9645         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9646
9647 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9648
9649         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9650         before returning.
9651
9652 2005-07-16  Jan Hubicka  <jh@suse.cz>
9653
9654         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9655         (scale_bbs_frequencies_int): Watch roundoff errors.
9656         * predict.c (return_prediction): Initialize return_stmt.
9657
9658 2005-07-16  Jan Hubicka  <jh@suse.cz>
9659
9660         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9661         after RTL profiling.
9662
9663 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9664
9665         PR middle-end/22398
9666         * fold-const.c (build_range_check): Convert high/low to etype
9667         if we are only comparing against exp.
9668
9669 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9670
9671         Fix PR tree-optimization/22376
9672         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9673         special var here.
9674         (need_to_solve): New function.
9675         (compute_points_to_sets): Use it.
9676
9677 2005-07-15  Jan Hubicka  <jh@suse.cz>
9678
9679         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9680         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9681
9682 2005-07-15  Richard Guenther  <rguenther@suse.de>
9683
9684         * c-common.c (handle_flatten_attribute): New function.
9685         Add flatten function attribute.
9686         * doc/extend.texi: Document flatten function attribute.
9687         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9688         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9689         New functions.
9690         (cgraph_decide_inlining): Handle functions with flatten
9691         attribute.
9692
9693 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9694
9695         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9696         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9697         UNSPEC_XCHG, UNSPEC_AND): New.
9698         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9699         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9700         * config/rs6000/sync.md (FETCHOP): New code macro.
9701         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9702         New code attrs.
9703         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9704         (sync_compare_and_swap<mode>): Same.
9705         (sync_lock_test_and_set<mode>): Same.
9706         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9707         for QImode and HImode, and not PPC405.
9708         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9709         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9710         (sync_<fetchop>{si,di}_internal): New.
9711         (sync_nand{si,di}_internal): New.
9712         (sync_old_<fetchop>{si,di}_internal): New.
9713         (sync_old_nand{si,di}_internal): New
9714         (sync_new_<fetchop>{si,di}_internal): New.
9715         (sync_new_nand{si,di}_internal): New.
9716         (atomic_and{si,di}): New.
9717         (sync_new_nand{si,di}_internal): New.
9718         (atomic_and{si,di}): New.
9719         (sync_add<mode>_internal): Delete.
9720         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9721         (sync_sub<mode>_internal): Delte.
9722         (sync_subshort_internal): New.
9723         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9724         (sync_anddi_internal): Delete.
9725         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9726         (sync_booldi_internal): Delete.
9727         (sync_boolc<mode>_internal): Delete.
9728         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9729         (sync_boolc<mode>_internal2): Delete.
9730         (sync_boolcc<mode>_internal): Delete.
9731         (isync, lwsync): Use unspec instead of unspec_volatile.
9732         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9733         Revert UNSPEC_VOLATILE.
9734         (rs6000_split_atomic_op): New.
9735         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9736
9737 2005-07-14  Eric Christopher  <echristo@redhat.com>
9738
9739         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9740         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9741
9742 2005-07-14  Eric Christopher  <echristo@redhat.com>
9743
9744         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9745
9746 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9747
9748         PR tree-optimization/22230
9749         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9750         the computation of the four cross productions for "range op range".
9751
9752 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9753             Ulrich Weigand  <uweigand@de.ibm.com>
9754
9755         PR target/20126
9756         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9757         in some insn.
9758
9759 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9760
9761         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9762
9763 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9764
9765         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9766
9767 2005-07-14  Richard Guenther  <rguenther@suse.de>
9768
9769         PR middle-end/22347
9770         * config/i386/i386-protos.h (ix86_function_value): Change
9771         prototype to match new target hook.
9772         * config/i386/i386.c (ix86_value_regno): Change prototype
9773         to take extra type argument.
9774         (TARGET_FUNCTION_VALUE): Define.
9775         (ix86_function_ok_for_sibcall): Pass extra argument to
9776         ix86_value_regno, check return slot rtx for exact match.
9777         (ix86_function_value): Take extra parameter.  Dispatch to
9778         ix86_value_regno with fndecl/fntype as provided.
9779         (ix86_value_regno): Handle extra type argument.
9780         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9781
9782         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9783         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9784         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9785         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9786         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9787
9788 2005-07-14  Richard Guenther  <rguenther@suse.de>
9789
9790         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9791         * calls.c (expand_call): Pass fntype to hard_function_value.
9792         (emit_library_call_value_1): Likewise.
9793         * explow.c: Include target.h.
9794         (hard_function_value): Take extra argument, the fntype.
9795         Use new target hook for function_value.
9796         * expr.h (hard_function_value): Change prototype.
9797         * function.c (aggregate_value_p): Pass 0 as fntype to
9798         hard_function_value.
9799         (assign_parms): Use new target hook for function_value.
9800         Pass 0 as fntype to hard_function_value.
9801         (expand_function_end): Likewise.
9802         * reg-stack.c: Include target.h.
9803         (stack_result): Use new target hook for function_value.
9804         * target-def.h: New target hook function_value.
9805         * target.h: Likewise.
9806         * targhooks.c (default_function_value): New function.
9807         * targhooks.h (default_function_value): Declare.
9808
9809 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9810
9811         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9812
9813 2005-07-14  Jan Hubicka  <jh@suse.cz>
9814
9815         * tree-dfa.c (dump_variable): Use default_def function.
9816         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9817         * tree-ssa.c (verify_use): Likewise.
9818         * tree-ssanames.c (release_ssa_name): Likewise.
9819         * tree-tailcall.c (eliminate_tail_call): Likewise.
9820         (tree_optimize_tail_calls_1): Likewise.
9821         * tree-vrp.c (get_value_range): Likewise.
9822
9823 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9824
9825         * gcc.c (main): Compare language[0] with '*' when iterating over
9826         the infiles.
9827
9828 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9829
9830         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9831         "s390_emit_compare".  Add handling of CCZ1mode.
9832         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9833         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9834         checking.
9835         (s390_branch_condition_mask): Add CCZ1mode handling.
9836         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9837         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9838         Use CCZ1mode instead of CCZmode.
9839         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9840
9841 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9842
9843         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9844         pattern.
9845         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9846
9847 2005-07-13  Eric Christopher  <echristo@redhat.com>
9848
9849         * config/mips/mips.c (mips_canonicalize_comparison): New.
9850         (mips_emit_int_relational): Use.
9851
9852 2005-07-13  Eric Christopher  <echristo@redhat.com>
9853
9854         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9855         static extra parts.
9856         * config/s390/s390.md: Include tpf.md. Move tpf specific
9857         patterns...
9858         * config/s390/tpf.md: To here.
9859         * config/s390/s390.opt: Move tpf specific options...
9860         * config/s390/tpf.opt: to here. Add mmain option.
9861         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9862         * config/s390/tpf.h: Rewrite.
9863
9864 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9865
9866         * doc/tm.texi: Remove @xref{Cross-profiling}.
9867
9868 2005-07-13  Jeff Law  <law@redhat.com>
9869
9870         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9871         expressions, test their _DECL operands for pointer equality rather
9872         than using operand_equal_p.
9873
9874 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9875
9876         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9877         (TARGET_POSIX_IO): This.
9878         * config/darwin.h: Likewise.
9879         * config/freebsd.h: Likewise.
9880         * config/linux.h: Likewise.
9881         * config/lynx.h: Likewise.
9882         * config/netbsd.h: Likewise.
9883         * config/rs6000/linux64.h: Likewise.
9884         * config/rs6000/linux.h: Likewise.
9885         * config/s390/tpf.h: Likewise.
9886         * config/sh/embed-elf.h: Likewise.
9887         * config/sparc/linux64.h: Likewise.
9888         * config/sparc/linux.h: Likewise.
9889         * config/svr4.h: Likewise.
9890         * gcov-io.h: Likewise.
9891
9892         * doc/tm.texi: Updated.
9893
9894         * libgcov.c (create_file_directory): Defined only if
9895         TARGET_POSIX_IO is defined.
9896         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9897         is defined.
9898
9899 2005-07-13  Jan Hubicka  <jh@suse.cz>
9900
9901         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9902
9903 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9904
9905         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9906         structure as argument.
9907
9908 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9909
9910         PR tree-optimization/21921
9911         * tree-iterator.c (tsi_link_before): Support the case when
9912         tsi_end_p (tsi) == true.
9913
9914 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9915
9916         PR tree-optimization/22442
9917         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9918         correctly.
9919
9920 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9921
9922         PR rtl-optimization/20376
9923         * toplev.c (process_options): Enable -fweb and -frename-registers when
9924         unrolling.
9925         * doc/invoke.texi: Update the information about when -fweb and
9926         -frename-registers are enabled.
9927
9928 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9929
9930         PR tree-opt/21840
9931         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9932         if *rhs_p is not a SSA_NAME.
9933
9934 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9935
9936         Fix PR tree-optimization/22422
9937         * tree-ssa-structalias.c (struct variable_info): Add flag for
9938         special vars.
9939         (get_varinfo): Now a static function.
9940         (new_varinfo): init has_union and is_special_var to false.
9941         (solution_set_add): Check has_union.
9942         (do_da_constraint): Move temporary variable so it gets reset
9943         properly.
9944         Also check for special variable.
9945         (do_ds_constraint): Ditto.
9946         (do_sd_constraint): Ditto.
9947         (do_structure_copy): Check for special variable.
9948         (find_func_aliases): Ditto.
9949         (init_base_vars): Set special vars properly.
9950
9951 2005-07-13  Jan Hubicka  <jh@suse.cz>
9952
9953         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9954         do unit-at-a-time.
9955
9956         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9957         (get_expr_operands): Fix thinko wrt flags and subvars.
9958
9959         PR tree-optimize/22379
9960         * tree-inline.c (expand_call_inline): Do not output sorry in early
9961         inlining.
9962
9963 2005-07-12  Dale Johannesen  <dalej@apple.com>
9964
9965         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9966
9967 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9968
9969         PR bootstrap/21704
9970         * host-linux.h: Include limits.h.
9971
9972 2005-07-12  Dale Johannesen  <dalej@apple.com>
9973
9974         * expr.c (compress_float_constant):  Add cost check.
9975         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9976
9977 2005-07-12  Dale Johannesen  <dalej@apple.com>
9978
9979         * gcc.target/i386/compress-float-sse.c:  New.
9980         * gcc.target/i386/compress-float-sse-pic.c:  New.
9981         * gcc.target/i386/compress-float-387.c:  New.
9982         * gcc.target/i386/compress-float-387-pic.c:  New.
9983         * gcc.dg/compress-float-ppc.c:  New.
9984         * gcc.dg/compress-float-ppc-pic.c:  New.
9985
9986 2005-07-12  Eric Christopher  <echristo@redhat.com>
9987
9988         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9989         static extra parts.
9990         * config/s390/s390.md: Include tpf.md. Move tpf specific
9991         patterns...
9992         * config/s390/tpf.md: To here.
9993         * config/s390/s390.opt: Move tpf specific options...
9994         * config/s390/tpf.opt: to here. Add mmain option.
9995         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9996         * config/s390/tpf.h: Rewrite.
9997
9998 2005-07-12  Eric Christopher  <echristo@redhat.com>
9999
10000         * gcc.c (struct infile): Update comment for language.
10001         (main): Rewrite input file resetting code.
10002
10003 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10004
10005         PR tree-opt/22335
10006         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10007         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10008         (lookup_avail_expr): Use constant_boolean_node instead
10009         of boolean_false_node/boolean_true_node.
10010
10011 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10012
10013         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10014         and use it when printing num_edges.
10015
10016 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10017
10018         * doc/extend.texi (Blackfin Built-in Functions): New section.
10019         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10020         @opindex.
10021
10022 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10023
10024         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10025         s/cmpstrsi/cmpstrnsi
10026         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10027         'cmpstrnsi'.
10028         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10029         (init_optabs): Initialize cmpstrn_optab.
10030         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10031         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10032         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10033         * config/i386/i386.md: s/cmpstr/cmpstrn
10034         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10035         * doc/md.texi: Update documentation.
10036
10037 2005-07-11  Richard Henderson  <rth@redhat.com>
10038
10039         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10040         build_va_arg_indirect_ref.
10041         (alpha_gimplify_va_arg): Likewise.
10042         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10043         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10044         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10045         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10046         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10047         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10048         Likewise.
10049         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10050
10051 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10052
10053         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10054         * passes.c (init_optimization_passes): Add pass_empty_loop.
10055         * tree-pass.h (pass_empty_loop): Declare.
10056         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10057         try_remove_empty_loop, remove_empty_loops): New functions.
10058         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10059         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10060
10061 2005-07-12  Peter Barada  <peter@the-baradas.com>
10062
10063         PR middle-end/16719
10064         PR middle-end/18421
10065         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10066         in address registers.
10067         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10068         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10069         alternative of addsi3_5200.
10070
10071 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10072
10073         * config/mips/mips.md (ffs<mode>2): Remove.
10074
10075 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10076
10077         * doc/tree-ssa.texi (Cleanups): Improve description of
10078         TRY_FINALLY_EXPR.
10079         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10080
10081 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10082
10083         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10084         * tree.h (DECL_ARGUMENT_FLD): New macro.
10085
10086 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10087
10088         Fix PR tree-optimization/22404
10089
10090         * tree-ssa-structalias.c (create_variable_info_for): Use
10091         correct offset.
10092
10093 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10094
10095         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10096         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10097         for second comparison operand.
10098         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10099
10100         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10101         (define_insn_reservation "alu"): Likewise.
10102         (csync, ssync): Now of type sync.
10103         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10104         -mcsync-anomaly -mspecld-anomaly.
10105         * config/bfin/bfin.opt (mcsync): Remove.
10106         (mcsync-anomaly, mspecld-anomaly): Add.
10107         * config/bfin/bfin.c: Include "insn-codes.h".
10108         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10109         (TARGET_DEFAULT_TARGET_FLAGS): New.
10110         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10111
10112 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10113
10114         * basic-block.h: Give the BB flags enum a name, bb_flags.
10115         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10116         * cfgcleanup.c (enum bb_flags): Remove here.
10117         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10118         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10119         (update_forwarder_flag): Likewise.
10120         (thread_jump): Likewise.
10121         (try_forward_edges): Likewise.
10122         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10123         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10124         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10125
10126 2005-07-11  Richard Guenther  <rguenther@suse.de>
10127
10128         * config/i386/i386.opt: New target option -msseregparm.
10129         * config/i386/i386.c (override_options): Error out for
10130         -msseregparm but no SSE support.
10131         (ix86_function_sseregparm): Check for global sseregparm.
10132         * doc/invoke.texi: Document -msseregparm.
10133
10134 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10135
10136         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10137         (m32rle-*-linux*): Ditto.
10138
10139 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10140
10141         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10142         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10143         bytes.
10144
10145 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10146
10147         PR middle-end/22239
10148         PR target/20126
10149         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10150         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10151
10152 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10153
10154         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10155         (varmap): Heapify varmap.
10156         (constraints): Heapify constraints.
10157         (struct constraint_graph): Heapify succs and preds.
10158         (constraint_vec_find): Update for heapification.
10159         (constraint_set_union): Ditto.
10160         (insert_into_complex): Ditto.
10161         (constraint_edge_vec_find): Ditto.
10162         (erase_graph_self_edge): Ditto.
10163         (add_graph_edge): Ditto.
10164         (get_graph_weights): Ditto.
10165         (merge_graph_nodes): Ditto.
10166         (build_constraint_graph): Ditto.
10167         (topo_visit): Ditto.
10168         (solve_graph): Ditto.
10169         (create_variable_info_for): Ditto.
10170         (init_base_vars): Ditto.
10171         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10172         (condese_varmap_nodes): Free complex vector.
10173         (clear_edges_for_node): Clear succs and preds vector.
10174
10175 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10176
10177         * tree-ssa-structalias.c (update_alias_info): Change counting of
10178         references to not include vdefs.
10179
10180 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10181
10182         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10183         (up_insert): Ditto.
10184
10185 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10186
10187         * pa.c (pa_commutative_p): Make PLUS commutative when
10188         TARGET_NO_SPACE_REGS is true.
10189
10190 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10191
10192         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10193         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10194         * tree-dfa.c (dump_subvars_for): New.
10195         (debug_subvars_for): New.
10196         (dump_variable): Show subvariables if VAR has them.
10197         * tree-flow-inline.h (get_subvar_at): New.
10198         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10199         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10200         Update all users.
10201         (struct subvar): Change fields offset and size to unsigned
10202         HOST_WIDE_INT.
10203         (dump_subvars_for): Declare.
10204         (debug_subvars_for): Declare.
10205         (get_subvar_at): Declare.
10206         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10207         to unsigned HOST_WIDE_INT *.
10208         (overlap_subvar): Likewise.
10209         * tree-gimple.c (is_gimple_reg): Always return false for
10210         SFTs and memory tags.
10211         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10212         Update all callers.
10213         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10214         (compute_may_aliases): Call compute_points_to_sets.
10215         (collect_points_to_info_for): Remove.
10216         (compute_points_to_and_addr_escape): Remove.
10217         (delete_alias_info): Call delete_points_to_sets.
10218         (compute_flow_sensitive_aliasing): If the call to
10219         find_what_p_points_to returns false, call set_pt_anything.
10220         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10221         (set_pt_anything): Clear pi->pt_vars.
10222         (set_pt_malloc): Remove.
10223         (merge_pointed_to_info): Remove.
10224         (add_pointed_to_expr): Remove.
10225         (add_pointed_to_var): Remove.
10226         (collect_points_to_info_r): Remove.
10227         (is_escape_site): Make extern.
10228         (create_sft): New.
10229         (create_overlap_variables_for): Call it.
10230         * tree-ssa-copy.c (merge_alias_info): Never merge
10231         flow-sensitive alias information.
10232         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10233         offset and size to be unsigned HOST_WIDE_INT.
10234         (add_to_addressable_set): Rename from note_addressable.
10235         Set TREE_ADDRESSABLE as the variables are added to the set.
10236         Update all users.
10237         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10238         operands into VUSEs when adding V_MAY_DEFs for members in an
10239         alias set.
10240         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10241         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10242         (struct variable_info): Add bitfield is_heap_var.
10243         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10244         (new_var_info): Initialize is_heap_var.
10245         (get_constraint_for): Add HEAP variables to the symbol table.
10246         Mark them with is_heap_var.
10247         (update_alias_info): New.  Taken mostly from the old
10248         compute_points_to_and_addr_escape.
10249         (handle_ptr_arith): New.
10250         (find_func_aliases): Call update_alias_info.
10251         Call handle_ptr_info for tcc_binary expressions.
10252         Call mark_stmt_modified.
10253         (create_variable_info_for): If DECL has subvars, do not create
10254         variables for its subvars.  Always add all the fields.
10255         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10256         SFTs, then add all the SFTs of the structure.
10257         If VI->DECL is an aggregate with subvariables, add the SFT at
10258         VI->OFFSET.
10259         (find_what_p_points_to): If VI is an artificial variable,
10260         translate to bitfields in SSA_NAME_PTR_INFO.
10261         If the solution is empty, set pi->pt_vars to NULL
10262         (init_base_vars): Create ANYOFFSET.
10263         (compute_points_to_sets): Rename from create_alias_vars.
10264         Make extern.
10265         (pass_build_pta): Remove.
10266         (delete_points_to_sets): Rename from delete_alias_vars.
10267         (pass_del_pta): Remove.
10268         * tree-ssa-structalias.h (struct alias_info): Move from
10269         tree-ssa-alias.h.
10270         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10271         NUM_REFERENCES_SET): Likewise.
10272         (compute_points_to_sets, delete_points_to_sets): Declare.
10273
10274 2005-07-09  Richard Henderson  <rth@redhat.com>
10275
10276         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10277         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10278         alpha_split_lock_test_and_set_12): New functions.
10279         * config/alpha/alpha-protos.h: Update.
10280         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10281         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10282         * config/alpha/sync.md (I12MODE): New.
10283         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10284         (sync_<fetchop_name><I48MODE>): Likewise.
10285         (sync_nand<I48MODE>): Likewise.
10286         (sync_old_<fetchop_name><I48MODE>): Likewise.
10287         (sync_new_<fetchop_name><I48MODE>): Likewise.
10288         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10289         (sync_compare_and_swap<I48MODE>): Likewise.
10290         (sync_lock_test_and_set<I48MODE>): Likewise.
10291         (sync_compare_and_swap<I12MODE>): New.
10292         (sync_compare_and_swap<I12MODE>_1): New.
10293         (sync_lock_test_and_set<I12MODE>): New.
10294         (sync_lock_test_and_set<I12MODE>_1): New.
10295
10296 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10297
10298         PR 21356
10299         PR 22332
10300         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10301
10302 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10303
10304         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10305         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10306
10307 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10308
10309         PR target/21656
10310         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10311
10312 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10313
10314         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10315         memory_operand constraint.
10316         (store_conditional_<mode>): Same.
10317         (sync_compare_and_swap<mode>): Same.
10318         (sync_lock_test_and_set<mode>): Same.
10319
10320 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10321
10322         Rewrite PIC support to more closely model actual instructions.
10323         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10324         (cris_symbol): Remove prototypes for removed functions.
10325         (cris_pic_symbol_type_of, cris_valid_pic_const)
10326         (cris_expand_pic_call_address): Prototypes for new functions.
10327         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10328         variable.
10329         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10330         modifiers.
10331         <case ':'>: Add case for new punctuation character.
10332         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10333         emitting (extra) PIC modifier.
10334         <case UNSPEC>: Do not assert for PLT.
10335         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10336         (cris_expand_prologue, cris_expand_epilogue): Check
10337         for pic_offset_table_rtx usage instead of taking
10338         current_function_uses_pic_offset_table as the final word.
10339         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10340         Remove flag_pic difference.
10341         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10342         the moral equivalents of...
10343         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10344         functions.
10345         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10346         (cris_handle_option): Mark ARG as unused.
10347         (cris_expand_pic_call_address): New worker function for "call",
10348         "call_value".
10349         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10350         output PIC constructs here.
10351         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10352         as symbol-specific modifers, not whole or part of operands.
10353         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10354         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10355         constants and flag_pic.
10356         (CONSTANT_INDEX_P): Adjust for new functions.
10357         (enum cris_pic_symbol_type): New helper type.
10358         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10359         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10360         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10361         define_constants.
10362         ("movsi"): Emit actual instructions for GOT and relative access.
10363         ("*movsi_got_load"): New pattern to set up the register holding
10364         the GOT pointer.
10365         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10366         Adjust FIXME for 'S'.
10367         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10368         Use "movs" for -fpic cases.
10369         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10370         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10371         ("call", "call_value"): Just call cris_expand_pic_call_address for
10372         PIC addresses.
10373         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10374         Remove special pattern.
10375         ("*expanded_call_side", "*expanded_call_value_side"): New
10376         patterns.
10377         (gotplt-to-plt, gotplt-to-plt-side-call)
10378         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10379         peephole2:s.
10380         * config/cris/cris/predicates.md
10381         ("cris_general_operand_or_gotless_symbol"): Remove unused
10382         predicate.
10383         ("cris_general_operand_or_symbol"): Adjust for new functions.
10384
10385 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10386
10387         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10388
10389 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10390
10391         * Makefile.in (TREE_H): Add treestruct.def.
10392         (c-decl.o): Add pointer-set.h
10393         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10394         visibility on regular DECL's.
10395         (merge_decls): Fix the copying of decl nodes of various types for
10396         the new structures.  Don't update RTL, section name, weak status,
10397         etc, on DECL's without RTL.
10398         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10399         Don't check volatile on non-variable types.
10400         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10401         to check whether we have seen arguments.
10402         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10403         flag is checked before field (flag is common, field is not).
10404         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10405         TS_DECL_COMMON could have an origin.
10406         (add_location_or_const_value_attribute): Don't check section name
10407         on non-var/function decls.
10408         (dwarf2out_var_location): Reverse order of tests.
10409         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10410         with DECL_WRTL_CHECK.
10411         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10412         * fold-const.c (fold_binary): Don't check weakness on
10413         non-var/function decls.
10414         (tree_expr_nonzero_p): Ditto.
10415         (fold_checksum_tree): Use tree_decl_extra as sizeof
10416         buffer.
10417         * ggc-page.c (extra_order_size_table): Add sizes for
10418         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10419         tree_field_decl.
10420         * gimplify.c (gimplify_bind_expr): Only set
10421         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10422         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10423         without RTL.
10424         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10425         * langhooks.h (init_ts). New langhook.
10426         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10427         * print-tree.c (print_node): Update to only print fields that
10428         exist in the structures the passed decl has.
10429         * toplev.c (wrapup_global_declarations): Don't reset
10430         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10431         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10432         * tree-inline.c (remap_decl): Ditto.
10433         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10434         * tree-pretty-print.c (print_declaration): Don't print
10435         DECL_REGISTER on things that don't contain it.
10436         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10437         non-var/function decls.
10438         * tree.c (tree_contains_struct): New structure.
10439         (init_priority_for_decl): New hashtable.
10440         (tree_int_map): New structure.
10441         (tree_int_map_eq): New function.
10442         (tree_int_map_marked_p): Ditto.
10443         (tree_int_map_hash): Ditto.
10444         (tree_map): Move to tree.h.
10445         (tree_map_eq): Externalize.
10446         (tree_map_hash): Ditto.
10447         (tree_map_marked_p): Ditto.
10448         (init_ttree): Set up tree_contains_struct and call langhook.
10449         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10450         (tree_code_size): Update for new structures.
10451         (tree_node_structure): Update for new structures.
10452         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10453         without the field.
10454         (copy_node_stat):  Copy init priority.
10455         (build_decl_stat): Ditto for visibility.
10456         (ts_enum_names): New.
10457         (tree_contains_struct_check_failed): New function.
10458         (decl_init_priority_lookup): Ditto.
10459         (decl_init_priority_insert): Ditto.
10460         * treestruct.def: New file.
10461         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10462         (CONTAINS_STRUCT_CHECK): Ditto.
10463         (tree_contains_struct_check_failed): New prototype.
10464         (DECL_CHECK): Removed.
10465         (DECL_MINIMAL_CHECK): New.
10466         (DECL_COMMON_CHECK): Ditto.
10467         (DECL_WRTL_CHECK): Ditto.
10468         (DECL_NON_COMMON_CHECK): Ditto.
10469         (DECL_WITH_VIS_CHECK): Ditto.
10470         (VAR_OR_FUNCTION_DECL_P): Ditto
10471         (struct tree_decl_minimal): New structure.
10472         (struct tree_decl_common): Ditto.
10473         (struct tree_decl_with_rtl): Ditto.
10474         (struct tree_decl_with_vis): Ditto.
10475         (struct tree_decl_non_common): Ditto.
10476         (struct tree_field_decl): Ditto.
10477         (struct tree_parm_decl): Ditto.
10478         (struct tree_var_decl): Ditto.
10479         (struct tree_function_decl): Ditto.
10480         (struct tree_const_decl): Ditto.
10481         (struct tree_result_decl): Ditto.
10482         (union tree_node): Add new structures.
10483         * var-tracking.c (track_expr_p): Reverse order of tests.
10484
10485         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10486
10487 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10488
10489         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10490         * system.h: Poison FINALIZE_PIC.
10491         * doc/tm.texi (FINALIZE_PIC): Remove.
10492
10493 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10494
10495         PR tree-opt/22329
10496         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10497         to the correct type if we have a MODIFY_EXPR.
10498
10499 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10500
10501         PR tree-optimization/22360
10502         * tree.c (upper_bound_in_type): Fix calculations for casting
10503         to a non-wider signed type and casting a signed value to a
10504         wider unsigned type.
10505         (lower_bound_in_type): Fix calculations for casting to a
10506         non-wider signed type.
10507
10508         PR tree-optimization/20139
10509         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10510         release_defs.
10511         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10512         fold_cond_expr_cond.
10513         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10514         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10515
10516 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10517
10518         PR tree-opt/22356
10519         * tree-complex.c (expand_complex_libcall): Produce
10520         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10521
10522 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10523
10524         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10525         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10526         b" assert and inserted fastpath code for this case.
10527         (bitmap_ior): Removed "a != b" assert.
10528
10529 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10530
10531         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10532         (ENDFILE_SPEC): Likewise.
10533         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10534
10535         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10536         a large stack frame at epilogue.
10537
10538 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10539
10540         * final.c: Include sdbout.h when required.
10541
10542 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10543
10544         * config.gcc (*-*-darwin*): Only one target-specific header file
10545         for generic darwin.
10546         (powerpc-*-darwin*): Add version-specific header files.
10547         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10548         * config.in: Regenerate.
10549         * configure: Regenerate.
10550         * gcc.c: Include xregex.h.
10551         (version_compare_spec_function): New.
10552         (spec_function): Add version-compare.
10553         (replace_outfile_spec_function): Reformat comment.
10554         (compare_version_strings): New.
10555         * config/darwin-c.c (version_as_macro): New.
10556         (builtin_define): New.
10557         (darwin_cpp_builtins): New.
10558         * config/darwin-protos.h (darwin_cpp_builtins): New.
10559         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10560         (LIB_SPEC): Make unconditional, update comment.
10561         (TARGET_C99_FUNCTIONS): Define.
10562         * config/darwin.opt: Sort.
10563         (mmacosx-version-min=): New.
10564         * config/darwin7.h: Delete.
10565         * config/darwin8.h: Delete.
10566         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10567         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10568         (TARGET_C99_FUNCTIONS): Define.
10569         * config/rs6000/darwin7.h: New.
10570         * config/rs6000/darwin8.h: New.
10571         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10572         (-mmacosx-version-min): Document.
10573
10574 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10575
10576         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10577
10578 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10579
10580         PR middle-end/22239
10581         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10582
10583 2005-07-07  Khem Raj  <kraj@mvista.com>
10584
10585         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10586         in bytes, not words.
10587
10588 2005-07-07  Paul Brook  <paul@codesourcery.com>
10589
10590         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10591         DEFAULT_FUNCTION_ARG_PADDING to upward.
10592
10593 2005-07-07  Richard Henderson  <rth@redhat.com>
10594
10595         * function.c (locate_and_pad_parm): Record parameter alignment in
10596         stack_alignment_needed.
10597
10598 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10599
10600         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10601         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10602         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10603         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10604         (define_attr "type"): Add isync, sync, load_l, store_c.
10605         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10606         Create scratch volatile MEM.
10607         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10608         sync.
10609         (load_locked_<mode>): New.
10610         (store_conditional_<mode>): New.
10611         (sync_compare_and_swap<mode>): Replace with splitter.
10612         (sync_lock_test_and_set<mode>): Replace with splitter.
10613         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10614         and UNSPECV_ISYNC.
10615         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10616         is ics.  Attribute isync.
10617         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10618         lwsync.
10619         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10620         and UNSPECV_SYNC_OP.
10621         (emit_unlikely_jump): New.
10622         (emit_load_locked): New.
10623         (emit_store_conditional): New.
10624         (rs6000_split_compare_and_swap): New.
10625         (rs6000_split_lock_test_and_set): New.
10626         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10627         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10628         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10629         rs6000_split_lock_test_and_set): Declare.
10630         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10631         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10632         store_c, isync, sync.
10633
10634 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10635
10636         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10637         filenames to gtyp-gen.h.
10638         (s-typ-gen): Use it in place of for loops.
10639
10640 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10641
10642         * hooks.c (hook_bool_rtx_int_false): New function.
10643         * hooks.h (hook_bool_rtx_int_false): Declare.
10644         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10645         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10646         * target.h (struct gcc_target): Add commutative_p member.
10647         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10648         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10649         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10650         (pa_commutative_p): New function.
10651         * jump.c (target.h): Include.
10652         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10653         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10654
10655 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10656
10657         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10658         (s390_expand_setmem): New.
10659         * config/s390/s390.c: Likewise.
10660         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10661         Adapt comments.
10662         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10663         general_operand.  Call new function "s390_expand_setmem".
10664         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10665         ("setmem_long", "*setmem_long"): ... this.
10666
10667 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10668
10669         * config/s390/s390.c: (optimization_options): Enable
10670         TARGET_MVCLE at -Os.
10671         * doc/invoke.texi: Document changes in default behaviour.
10672         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10673
10674 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10675
10676         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10677         defined by back-end.
10678
10679 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10680
10681         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10682         all sets in the pattern.
10683         * config/rs6000/rs6000.md (stack_protect_testsi,
10684         stack_protect_testdi): Likewise.
10685
10686 2005-07-06  Jeff Law  <law@redhat.com>
10687
10688         * tree-vrp.c (simplify_using_ranges): Kill.
10689         (vrp_finalize): Remove call to simplify_using_ranges.
10690         (simplify_stmt_using_ranges): New function extracted from
10691         simplify_using_ranges.
10692         (simplify_div_or_mod_using_ranges): Likewise.
10693         (simplify_abs_using_ranges): Likewise.
10694         (simplify_cond_using_ranges): New function.
10695         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10696         * tree-ssa-propagate.c (substitute_and_fold): Call
10697         simplify_stmt_using_ranges if we have range information.
10698
10699 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10700
10701         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10702         ia64_flag_schedule_isns2.
10703
10704         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10705         reading/writing general registers.
10706         (ia64_function_arg): Revert 2005-06-18 change.
10707
10708 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10709
10710         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10711         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10712
10713 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10714
10715         * function.c (expand_function_end): Revert part of 2005-06-27
10716         patch.  Do sjlj_emit_function_exit_after after return_label.
10717
10718 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10719
10720         * doc/install.texi (--disable-libssp): New.
10721
10722 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10723
10724         * doc/invoke.texi: Update -fforce-mem documentation.
10725         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10726         code for -fforce-mem.
10727         * expmed.c: (store_bit_field,store_fixed_bit_field,
10728         extract_bit_field): Ditto.
10729         * expr.c: (convert_move): Ditto.
10730         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10731         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10732         emit_conditional_add,expand_float,expand_fix): Ditto.
10733         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10734         (common_handle_option): Issue warning when -fforce-mem specified.
10735
10736 2005-07-06  Paul Brook  <paul@codesourcery.com>
10737
10738         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10739         argument is empty.
10740         * configure: Regenerate.
10741
10742 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10743
10744         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10745
10746 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10747
10748         Fix PR tree-optimization/22319
10749         Fix PR tree-optimization/22140
10750         Fix PR tree-optimization/22310
10751
10752         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10753         variable sized types.
10754         Use correct type for intermediate structure on *a = *b structure
10755         copies.
10756
10757 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10758
10759         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10760         Remove.
10761         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10762         (machine_function): Move typedef to...
10763         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10764         varargs_save_offset field.
10765         (rs6000_stack_t): Remove varargs_size field.
10766         (setup_incoming_varargs): Allocate varargs save area using
10767         assign_stack_local, try to make it as small as possible.
10768         Save offset from virtual_stack_vars_rtx to the save area
10769         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10770         instead of magic 8 when fp word byte size is used.
10771         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10772         instead of -RS6000_VARARGS_SIZE.
10773         (rs6000_stack_info, debug_stack_info,
10774         rs6000_initial_elimination_offset): Remove all traces of
10775         varargs_size.
10776         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10777         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10778         RS6000_VARARGS_AREA.
10779
10780 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10781
10782         PR tree-optimization/21963
10783         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10784         constant_multiple_of in the same way get_computation_cost_at does.
10785
10786 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10787
10788         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10789         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10790         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10791         and return its previous value.
10792         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10793         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10794         constants.
10795         (stack_protect_set, stack_protect_test): New expanders.
10796         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10797         stack_protect_testdi): New insns.
10798         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10799         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10800
10801 2005-07-06  Jeff Law  <law@redhat.com>
10802
10803         * tree-ssa-dce.c (cfg_altered): New global.
10804         (tree_dce_init): Initialize cfg_altered.
10805         (remove_dead_stmt): If we remove an edge in the CFG, then set
10806         CFG_ALTERED.
10807         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10808         the dominators.
10809
10810 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10811
10812         * Makefile.in (stamp-collect-ld): Use
10813         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10814         ./collect-ld if it already exists.
10815         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10816         Don't remove ./nm if it already exists.
10817
10818 2005-07-05  Devang Patel  <dpatel@apple.com>
10819
10820         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10821         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10822         * tree-vectorizer.c (vect_loop_location): New.
10823         (vect_print_dump_info): Use vect_loop_location.
10824         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10825         (vectorize_loops): Set vect_loop_location.
10826         * tree-vect-analyze.c (vect_analyze_offset_expr,
10827         vect_determin_vectorization_factor, vect_analyze_operations,
10828         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10829         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10830         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10831         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10832         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10833         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10834         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10835         vect_analyze_loop): Adjust vect_print_dump_info API.
10836         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10837         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10838         vect_finish_stmt_generation, vectorizable_assignment,
10839         vectorizable_operation, vectorizable_store, vectorizable_load,
10840         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10841         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10842         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10843         vect_transform_loop): Same.
10844         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10845         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10846         Same.
10847
10848 2005-07-05  Randolph Chung  <tausq@debian.org>
10849
10850         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10851         * configure: Regenerate.
10852         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10853         (pa_tls_referenced_p): Declare.
10854         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10855         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10856         (legitimize_tls_address): New.
10857         (hppa_legitimize_address): Handle TLS addresses.
10858         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10859         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10860         (emit_move_sequence): Handle TLS addresses.
10861         (pa_encode_section_info): Call default handler to handle common
10862         sections.
10863         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10864         (CONSTANT_ADDRESS_P): Reject TLS operands.
10865         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10866         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10867         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10868         (UNSPEC_TLSLE): Define new constants.
10869         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10870         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10871         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10872         (tie_symbolic_operand, tle_symbolic_operand): New
10873
10874 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10875
10876         * aclocal.m4: Update macros for autoconf 2.59 style.
10877         * configure.ac: Likewise.
10878
10879 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10880
10881         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10882         (function_arg): Pass small aggregates in general registers on 32-bit
10883         targets.
10884         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10885
10886 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10887
10888         * Makefile.in (final.o): Fix dependencies.
10889
10890 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10891
10892         PR c/22013
10893         PR c/22098
10894         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10895         * langhooks.c (lhd_expr_to_decl): New.
10896         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10897         New.
10898         (LANG_HOOKS_INITIALIZER): Update.
10899         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10900         expr_to_decl langhook.
10901         * c-tree.h (c_expr_to_decl): Declare.
10902         * c-typeck.c (c_expr_to_decl): New.
10903         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10904         specially.
10905         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10906
10907 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10908
10909         PR c/22308
10910         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10911         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10912
10913 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10914
10915         * Makefile.in: Adjust dependencies.
10916         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10917         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10918         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10919         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10920         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10921         rest_of_compilation.
10922
10923         * bb-reorder.c (gate_duplicate_computed_gotos,
10924         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10925         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10926         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10927         pass_partition_blocks): New.
10928         * bt-load.c (gate_handle_branch_target_load_optimize,
10929         rest_of_handle_branch_target_load_optimize,
10930         pass_branch_target_load_optimize): New.
10931         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10932         pass_jump2): New.
10933         * cfglayout.c (pass_insn_locators_initialize): New.
10934         * cfgrtl.c (pass_free_cfg): New.
10935         * combine.c (gate_handle_combine, rest_of_handle_combine,
10936         pass_combine): New.
10937         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10938         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10939         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10940         * except.c (pass_set_nothrow_function_flags,
10941         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10942         pass_rtl_eh): New.
10943         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10944         rest_of_handle_shorten_branches, pass_shorten_branches,
10945         rest_of_clean_state, pass_clean_state): New.
10946         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10947         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10948         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10949         pass_flow2): New.
10950         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10951         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10952         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10953         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10954         pass_gcse): New.
10955         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10956         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10957         pass_rtl_ifcvt, gate_handle_if_after_combine,
10958         rest_of_handle_if_after_combine, pass_if_after_combine,
10959         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10960         pass_if_after_reload): New.
10961         * integrate.c (pass_initial_value_sets): New.
10962         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10963         pass_purge_lineno_notes): New.
10964         * mode-switching.c (rest_of_handle_mode_switching,
10965         pass_mode_switching): New.
10966         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10967         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10968         pass_loop2): New.
10969         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10970         pass_loop_optimize): New.
10971         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10972         pass_sms): New.
10973         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10974         pass_gcse2): New.
10975         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10976         pass_postreload_cse): New.
10977         * profile.c (gate_handle_profiling, pass_profiling,
10978         rest_of_handle_branch_prob, pass_branch_prob): New.
10979         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10980         pass_split_before_regstack, gate_handle_split_before_regstack,
10981         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10982         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10983         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10984         pass_stack_regs): New.
10985         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10986         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10987         pass_stack_adjustments): New.
10988         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10989         pass_regrename): New.
10990         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10991         pass_delay_slots, gate_handle_machine_reorg,
10992         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10993         * rtl.h (extern void purge_line_number_notes): New.
10994         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10995         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10996         pass_sched2): New.
10997         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10998         pass_tracer): New.
10999         * value-prof.c (gate_handle_value_profile_transformations,
11000         rest_of_handle_value_profile_transformations,
11001         pass_value_profile_transformations): New.
11002         * var-tracking.c (gate_handle_var_tracking,
11003         pass_variable_tracking): New.
11004         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11005
11006         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11007         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11008         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11009         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11010         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11011         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11012         rest_of_handle_gcse2, rest_of_handle_regmove,
11013         rest_of_handle_tracer, rest_of_handle_if_conversion,
11014         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11015         rest_of_handle_web, rest_of_handle_branch_prob,
11016         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11017         rest_of_handle_jump_bypass, rest_of_handle_combine,
11018         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11019         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11020         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11021         rest_of_handle_mode_switching, rest_of_handle_jump,
11022         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11023         rest_of_handle_flow2, rest_of_handle_jump2,
11024         rest_of_handle_peephole2, rest_of_handle_postreload,
11025         rest_of_handle_shorten_branches, rest_of_clean_state,
11026         rest_of_compilation): Remove.
11027
11028         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11029         * passes.c (dump_flags, in_gimple_form, all_passes,
11030         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11031         register_dump_files, next_pass_1, last_verified, execute_todo,
11032         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11033         from tree-optimize.c.
11034         (init_optimization_passes): Moved from tree-optimize.c,
11035         adding the RTL optimizations.
11036         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11037         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11038         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11039         register_dump_files, next_pass_1, last_verified, execute_todo,
11040         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11041         init_tree_optimization_passes, ipa_passes): Delete.
11042         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11043         the RTL dumps.
11044         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11045         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11046         from tree.h.
11047         (ipa_passes): Remove.
11048         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11049         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11050         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11051         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11052         (dump_info_p, dump_flag): Moved to tree-dump.h.
11053
11054         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11055         cgraph.c, opts.c.
11056         * passes.c (finish_optimization_passes): Use dump_begin
11057         and dump_end, TDI_end.
11058         (gate_rest_of_compilation): New.
11059         (pass_rest_of_compilation): Use it.
11060         (gate_postreload, pass_postreload): New.
11061         * toplev.c (general_init): Rename init_tree_optimization_passes.
11062         * toplev.h (init_tree_optimization_passes): Rename to
11063         init_optimizations_passes.
11064         * tree-dump.c (dump_flag): Make static.
11065         (dump_files): Remove RTL dumps.
11066         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11067         pass_cleanup_cfg, pass_free_cfg_annotations,
11068         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11069         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11070         * tree-pretty-print.c: Include tree-pass.h.
11071         * cgraph.c: Include tree-dump.h.
11072
11073 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11074
11075         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11076         Only fall back to saying it points to readonly memory if
11077         we can't do better.
11078
11079 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11080
11081         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11082         * config/m32r/m32r.c (m32r_compute_frame_size,
11083         m32r_expand_prologue): Take current_function_profile into
11084         account whenever we reference
11085         current_function_uses_pic_offset_table.
11086         (m32r_finalize_pic): Remove.
11087         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11088
11089 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11090
11091         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11092         instead of $<.  Don't remove ./as if it already exists.
11093
11094 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11095
11096         PR target/21723
11097         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11098         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11099         for complex modes when generating code for PA 1.0.
11100         (VALID_FP_MODE_P): New macro.
11101         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11102         sets for all general and floating point modes.  Align wide floating
11103         point modes to even register boundaries to comply with architectural
11104         requirements.
11105         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11106         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11107         (VALID_FP_MODE_P): New macro.
11108         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11109         sets for all general and floating point modes.  Align wide floating
11110         point modes to even register boundaries to comply with architectural
11111         requirements.
11112
11113 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11114
11115         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11116         to 0.
11117
11118 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11119
11120         * tree-ssa-structalias.c: Don't include expr.h.
11121
11122 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11123
11124         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11125         comments.
11126
11127 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11128
11129         Fix PR tree-optimization/22279
11130
11131         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11132         correct operator.
11133
11134 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11135
11136         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11137
11138 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11139
11140         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11141         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11142         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11143         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11144         config/stormy16/stormy16.c, config/v850/v850.c,
11145         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11146         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11147         Avoid "." or "\n" at end of diagnostics and capital letters at
11148         start of diagnostics.
11149         * combine.c, cse.c: Don't translate dump file output.
11150         * toplev.c (print_version): Only translate output if going to
11151         stderr.
11152
11153 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11154
11155         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11156         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11157         typos.
11158
11159 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11160
11161         * pa.c (fix_range): Fix typo in comment.
11162
11163 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11164
11165         * tree-vrp.c (extract_range_from_assert): Replace
11166         fold (build (...)) with fold_build2.
11167
11168 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11169
11170         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11171         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11172         (format_types_orig, handle_format_attribute): Add support for
11173         format "gcc_gfc".
11174
11175 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11176
11177         * varasm.c (assemble_variable): Fix format specifier thinko.
11178
11179 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11180
11181         PR tree-optimization/22029 (and 22135)
11182         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11183         a phi node before calling dump_vops.
11184
11185 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11186
11187         * tree-dump.h (dump_string_field): Declare.
11188         * tree-dump.c: Use it instead of dump_string.
11189         (dump_string_field): Make non-static.
11190
11191 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11192
11193         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11194         up the minimal CFG stuff always when optimize > 0.  Call
11195         split_all_insns_noflow in PIC case if needed.
11196
11197 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11198             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11199
11200         PR c++/18279
11201         * c-decl.c (c_write_global_declarations): Dump contents of
11202         external scope to.
11203         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11204         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11205         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11206         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11207         is enabled.
11208
11209 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11210
11211         * c-common.h (GCC_DIAG_STYLE): Define.
11212         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11213         version for format checking to 4.1.
11214         * c-format.c: Include toplev.h after c-common.h.
11215         (enum format_type): Add gcc_tdiag_format_type.
11216         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11217         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11218         (format_types_orig): Add gcc_tdiag.
11219         (init_dynamic_diag_info): Support gcc_tdiag formats.
11220         (handle_format_attribute): Likewise.
11221         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11222         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11223         version for format checking to 4.1.
11224         (warning0, warning, error, pedwarn, sorry): Use
11225         ATTRIBUTE_GCC_DIAG.
11226         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11227         (finish_aliases_1): Do not use %qE.
11228         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11229         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11230         Correct format bugs.
11231         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11232         parameter to unsigned HOST_WIDE_INT.
11233         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11234
11235 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11236
11237         PR middle-end/21742
11238         * expr.c (write_complex_part): Use adjust_address for MEM.
11239         (read_complex_part): Same.
11240
11241 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11242
11243         Fix PR tree-optimization/22280
11244
11245         * tree-sra.c (generate_element_init): Remove useless loop.
11246
11247 2005-07-02  Richard Henderson  <rth@redhat.com>
11248
11249         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11250         TLS_MODEL_NONE.
11251         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11252
11253 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11254
11255         PR middle-end/14490
11256         * fold-const.c (fold_binary): Handle the return value of
11257         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11258         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11259
11260 2005-07-02  Jeff Law  <law@redhat.com>
11261
11262         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11263         a eliminate type conversion which feeds an equality comparison
11264         if the original type or either operand in the comparison is a
11265         function pointer.
11266
11267 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11268
11269         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11270         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11271         texts.
11272         * config/avr/avr.c: Do not use '`' as left quote.
11273         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11274         Remove "." from end of diagnostics.  Make diagnostics start with
11275         lowercase letter.
11276
11277 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11278             Joseph S. Myers  <joseph@codesourcery.com>
11279
11280         * toplev.c (default_tree_printer): Handle setting location with
11281         '+' flag.
11282         * c-objc.common.c (c_tree_printer): Likewise.
11283         * c-format.c (gcc_diag_flag_specs): Add '+'.
11284         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11285         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11286         formats.
11287         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11288         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11289         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11290         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11291         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11292         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11293         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11294         format arguments where %J is used without %D.
11295
11296 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11297
11298         * gcc.c (LINK_SSP_SPEC): Define.
11299         (link_ssp_spec): New variable.
11300         (LINK_COMMAND_SPEC): Add %(link_ssp).
11301         (static_specs): Add link_ssp_spec.
11302         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11303         * configure: Rebuilt.
11304         * config.in: Rebuilt.
11305
11306         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11307         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11308         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11309         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11310         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11311         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11312         -0x7008(2) instead of reading __stack_chk_guard variable.
11313         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11314         number.
11315         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11316         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11317         if TARGET_THREAD_SSP_OFFSET is defined.
11318         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11319         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11320
11321         Revert:
11322         2005-06-27  Richard Henderson  <rth@redhat.com>
11323         * libgcc-std.ver (GCC_4.1.0): New.
11324         * libgcc.h (__stack_chk_guard): Declare.
11325         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11326         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11327         * mklibgcc.in (lib2funcs): Add them.
11328
11329 2005-07-01  Richard Henderson  <rth@redhat.com>
11330
11331         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11332         void * before struct sigcontext *.
11333         (x86_fallback_frame_state): Likewise.
11334
11335 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11336
11337         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11338
11339 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11340
11341         PR tree-opt/22269
11342         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11343         we check for SSA_NAME for.
11344
11345 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11346
11347         Fix PR tree-optimization/22071
11348
11349         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11350         function.
11351         (get_constraint_for_component_ref): Use it.
11352
11353 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11354
11355         PR other/22264
11356         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11357         print out the last new line.
11358
11359 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11360
11361         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11362         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11363         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11364         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11365         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11366         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11367         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11368         (enum reg_class): New member CC0_REGS.
11369         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11370         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11371         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11372         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11373         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11374         Adjust for register now described.
11375
11376 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11377
11378         PR target/22262
11379         * config/i386/i386.md (stack_protect_test_si,
11380         stack_protect_test_di): Add earlyclobber for scratch 3.
11381         * config/rs6000/rs6000.md (stack_protect_testsi,
11382         stack_protect_testdi): Add earlyclobber for scratch 3,
11383         remove earlyclobber from scratch 4.
11384
11385 Older entries for 2005 can be found in ChangeLog-2005.