dwarf2out.c (default_eh_frame_section): Delete, moving handling of EH_FRAME_SECTION_N...
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
2
3         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
4         of EH_FRAME_SECTION_NAME into...
5         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
6         if it is still null.
7         * except.c (default_exception_section): Delete, moving most
8         of the code to...
9         (switch_to_exception_section): ...this new function.  Set
10         exception_section if it is still null, then switch to it.
11         (output_function_exception_table): Use switch_to_exception_section.
12         * varasm.c (exception_section, eh_frame_section): Update comments.
13         (get_section): Hoist use of SECTION_NAMED.
14         (init_varasm_once): Don't set exception_section and eh_frame_section.
15         * output.h (default_exception_section): Delete.
16         (default_eh_frame_section): Delete.
17
18 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
19
20         * config/bfin/bfin.c: Include "cgraph.h".
21         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
22         Return the reg that holds the pointer to the GOT.
23         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
24         doing stack checking.
25
26 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
27
28         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
29         recompute_tree_invarant_for_addr_expr.
30         Update uses everywhere.
31
32 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
33
34         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
35         (MULTILIB_DIRNAMES): Define.
36
37 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
38
39         PR target/25311
40         * config/s390/s390.c (struct s390_address): New field literal_pool.
41         (s390_decompose_address): Compute literal_pool field.  Do not 
42         assume register %r13 is always (and solely) used as pool base.
43         (s390_extra_constraint_str): Use literal_pool field.
44
45 2005-12-09  Thiemo Seufer  <ths@networkno.de>
46
47         * config/mips/mips.c (override_options): Don't allow too small
48         integers in FP registers.
49
50 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
51
52         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
53         targetm.binds_local_p to check for local function calls.
54
55 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
56
57         PR debug/24908
58         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
59         call_used_regs can't be used to save reg in another reg.
60
61 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
62             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
63
64         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
65         abort.
66         * except.c (output_ttype): Likewise.
67         * tree-object-size.c (collect_object_sizes_for): Likewise.
68         (check_for_plus_in_loops_1): Likewise.
69         (check_for_plus_in_loops): Likewise.
70         (compute_object_sizes): Use gcc_unreachable instead of abort.
71
72 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
73
74         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
75         (loop_end, loop_init, doloop_end): New insns.
76         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
77         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
78         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
79         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
80         * config/ms1/ms1.c: #include basic-block.h
81         (struct machine_function): Add has_loops field.
82         (ms1_add_loop): New.
83         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
84         (struct loop_info, struct loop_work): New.
85         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
86         (ms1_reorg_loops): New loop optimization.
87         (ms1_machine_reorg): Call it.
88         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
89
90 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
91
92         PR tree-optimization/25248
93         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
94         evolution_of_loop from the failed attempt.  Remove handling
95         of MULT_EXPR.
96
97 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
98
99         * tree.h (DECL_EXTERNAL): Clarify documentation.
100
101 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
102             Jakub Jelinek  <jakub@redhat.com>
103
104         PR target/25268
105         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
106         argument.  Don't drop outer ANDs.
107         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
108         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
109         prototype.
110         * config/s390/predicates.md (setmem_operand): Remove.
111         (shift_count_operand): Rename to...
112         (shift_count_or_setmem_operand): ... this.  Adjust
113         s390_decompose_shift_count caller.
114         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
115         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
116         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
117         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
118         rotl<mode>3_and, setmem_long_and): New insns.
119         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
120         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
121         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
122         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
123         of shift_count_operand.
124         (setmem_long): Use shift_count_or_setmem_operand instead of
125         setmem_operand.
126
127 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
128             Andreas Tobler  <a.tobler@schweiz.ch>
129
130         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
131         tr expression.
132
133 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
134
135         * expr.c (force_operand): Use convert_to_mode for conversions.
136
137 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
138
139         * reload.h (reg_equiv_invariant): Declare.
140         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
141         register also when reg_equiv_invariant[R] is set.
142
143 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
144             Andreas Tobler  <a.tobler@schweiz.ch>
145
146         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
147
148 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
149
150         * tree-ssa-pre.c (bitmap_set_and): New function.
151         (bitmap_set_and_compl): New function.
152         (bitmap_set_empty_p): New function.
153         (insert_extra_phis): New function.
154         (compute_avail): Use insert_extra_phis.
155
156 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
157
158         * config/s390/s390.c (s390_expand_atomic): New function.
159         Adjust comment of helper functions.
160         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
161         * config/s390/s390.md ("ATOMIC"): New code macro.
162         ("atomic"): Corresponding new code attribute.
163         ("sync_lock_test_and_set[hq]i", 
164         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
165
166 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
167
168         * config/s390/s390.c (s390_expand_mask_and_shift, 
169         struct alignment_context, init_alignment_context, 
170         s390_expand_cs_hqi): New.
171         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
172         * config/s390/s390.md ("sync_compare_and_swaphi",
173         "sync_compare_and_swapqi"): New pattern.
174
175 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
176
177         Fix PR tree-optimization/25291
178         * tree-ssa-operands.c (add_call_clobber_ops): Remove
179         redundant and crashing check.
180
181 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
182
183         PR target/25212
184         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
185         tests further when !strict && reload_in_progress.
186         (print_operand): Check that both operands of indexed address are regs.
187         (print_operand_address): Likewise.
188         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
189         (INT_REG_OK_FOR_BASE_P): Correct.
190
191 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
192
193         Preparation for PR rtl-optimization/20070 / part1
194         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
195         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
196         outgoing_edges_match.
197         (outgoing_edges_match): Use condjump_equiv_p.
198         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
199         into..
200         * struct-equiv.c: New file.
201         (death_notes_match_p) New function, broken out of insns_match_p.
202         * Makefile.in (OBJS-common): Add struct-equiv.o.
203         (struct-equiv.o): New target.
204
205 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
206
207         * coretypes.h: Revert previous change.
208         * config/darwin.h: Revert previous reversion.
209         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
210
211 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
212
213         * coretypes.h (section): Provide dummy definition for target files.
214         * config/darwin.h: Revert previous change.
215
216 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
217
218         * doc/sourcebuild.texi (all.build, install-normal): Remove.
219         * configure.ac: Remove all.build and install-normal from target_list
220         * configure: Regenerate.
221         * Makefile.in (install): Don't depend on install-normal.
222
223 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
224
225         * Makefile.in: Document the use of stamps.
226
227 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
228
229         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
230         * Makefile.in: Add code to compute some dependencies on s-gtype
231         automatically.  Remove the declaration of those dependencies.
232
233 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
234
235         * gcc/reload.c (push_secondary_reload): Fix typo:
236         s/insn_constraint/scratch_constraint/.
237
238 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
239
240         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
241
242 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
243
244         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
245         (alpha_elf_select_rtx_section): Return the selected section rather
246         than emitting assembly code.
247         (alpha_write_linkage): Emit a ".link" directive directly and then
248         set in_section to NULL.
249         (vms_asm_out_constructor): Use switch_to_section.
250         (vms_asm_out_destructor): Likewise.
251         (unicosmk_output_common): Set in_section to NULL instead of calling
252         the dummy common_section function.
253         (unicosmk_text_section): Delete in favor of...
254         (unicosmk_output_text_section_asm_op): ...this new function.
255         (unicosmk_data_section): Delete in favor of...
256         (unicosmk_output_data_section_asm_op): ...this new function.
257         (unicosmk_init_sections): New function.
258         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
259         (unicosmk_output_ssib): Set in_section to NULL instead of calling
260         the dummy ssib_section function.
261         (unicosmk_section_buf): Delete.
262         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
263         (unicosmk_data_section): Delete.
264         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
265         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
266         (SECTION_FUNCTION_TEMPLATE): Delete.
267         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
268         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
269         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
270         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
271         (TARGET_ASM_INIT_SECTIONS): Define.
272         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
273         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
274         (link_section, literals_section): Delete.
275         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
276         set in_section to NULL.
277
278         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
279         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
280         (COMMON_SECTION): Delete.
281         (TARGET_ASM_INIT_SECTIONS): Define.
282         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
283         the dummy common_section function.
284         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
285         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
286         between readonly_data_section and text_section to check whether
287         read-only data is being put in the text section.
288         (arm_output_function_epilogue): Use switch_to_section.
289         (arm_elf_asm_constructor): Likewise.
290         (thumb_call_via_reg): Replace call to in_text_section with
291         a comparison between in_section and text_section.
292         (arm_file_end): Use switch_to_section.
293         (aof_text_section): Delete in favor of...
294         (aof_output_text_section_asm_op): ...this new function.
295         (aof_data_section): Delete in favor of...
296         (aof_output_data_section_asm_op): ...this new function.
297         (aof_asm_init_sections): New function.
298         (zero_init_section): Moved from config/arm/aof.h.
299         (aof_dump_imports, aof_file_start): Use switch_to_section.
300         * config/arm/arm.h (thumb_call_via_label): Update comment.
301         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
302         (common_section): Delete.
303         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
304         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
305         global switch_to_section function instead of the old port-local one.
306         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
307         (SWITCH_TO_SECTION_FUNCTION): Delete.
308         (drectve_section): Redefine as a macro.
309         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
310         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
311         switch_to_section.
312
313         * config/avr/avr.c (progmem_section): New variable.
314         (avr_output_progmem_section_asm_op): New function.
315         (avr_asm_init_sections): New function.
316         (avr_output_addr_vec_elt): Use switch_to_section.
317         * config/avr/avr.h (progmem_section): Declare.
318         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
319         (READONLY_DATA_SECTION): Delete.
320         (TARGET_ASM_INIT_SECTIONS): Define.
321         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
322         * config/avr/avr-protos.h (progmem_section): Delete.
323
324         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
325
326         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
327         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
328
329         * config/darwin-sections.def: New file.
330         * config/darwin.c: Define all sections in darwin-sections.def.
331         (output_objc_section_asm_op, darwin_init_sections): New functions.
332         (machopic_output_indirection): Use switch_to_section.
333         (machopic_select_section): Return the selected section rather than
334         emitting assembly code.  Replace the static function table with
335         inline conditional expressions.  Update the tests of last_text_section
336         and move them into the FUNCTION_DECL block.
337         (machopic_select_rtx_section): Return the selected section rather than
338         emitting assembly code.
339         (machopic_asm_out_constructor, machopic_asm_out_destructor)
340         (darwin_file_end): Use switch_to_section.
341         * config/darwin.h: Use darwin-sections.def to declare sections.
342         (INIT_SECTION_ASM_OP): Remove empty definition.
343         (HAS_INIT_SECTION): Define this instead.
344         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
345         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
346         (TARGET_ASM_EH_FRAME_SECTION): Delete.
347         (TARGET_ASM_INIT_SECTIONS): Define.
348         * config/darwin-protos.h (darwin_init_sections): Declare.
349         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
350         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
351         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
352         (constructor_section, destructor_section, mod_init_section): Delete.
353         (mod_term_section): Delete.
354         (darwin_exception_section, darwin_eh_frame_section): Delete.
355         (machopic_select_section): Return a section.
356         (machopic_select_rtx_section): Likewise.
357         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
358         (const_section, const_coal_section, const_data_section): Delete.
359         (const_data_coal_section, data_coal_section, cstring_section): Delete.
360         (literal4_section, literal8_section, constructor_section): Delete.
361         (mod_init_section, mod_term_section, destructor_section): Delete.
362         (objc_class_section, objc_meta_class_section, objc_category_section)
363         (objc_class_vars_section, objc_instance_vars_section): Delete.
364         (objc_cls_meth_section, objc_inst_meth_section): Delete.
365         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
366         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
367         (objc_symbols_section, objc_module_info_section): Delete.
368         (objc_image_info_section, objc_protocol_section): Delete.
369         (objc_string_object_section, objc_constant_string_object_section)
370         (objc_class_names_section, objc_meth_var_names_section): Delete.
371         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
372         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
373         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
374         (darwin_exception_section, darwin_eh_frame_section): Delete.
375         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
376
377         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
378         (frv_asm_out_destructor): Likewise.
379         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
380         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
381         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
382         get_named_section.
383         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
384         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
385         (data_section): Delete.
386
387         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
388         (DRECTVE_SECTION_FUNCTION): Delete.
389         (drectve_section): Redefine as a macro that sets in_section after
390         emitting the directive.
391         (SWITCH_TO_SECTION_FUNCTION): Delete.
392         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
393         in_text_section with comparison between in_section and text_section.
394         * config/i386/i386.c (x86_64_elf_select_section): Return the section
395         rather than emitting assembly code.  Use get_named_section.
396         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
397         get_named_section.
398         (machopic_output_stub): Use switch_to_section.
399         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
400         (nwld_named_section_asm_out_destructor): Use get_section and
401         switch_to_section.
402
403         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
404         rather than emitting assembly code.
405         (ia64_rwreloc_select_section): Likewise.
406         (ia64_rwreloc_select_rtx_section): Likewise.
407         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
408         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
409         switch_to_section.
410         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
411         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
412
413         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
414         section rather than emitting assembly code.
415         (iq2000_select_section): Likewise.
416         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
417         (sbss_section): Delete.
418
419         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
420         and get_named_section.
421         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
422
423         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
424         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
425         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
426         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
427         in_section to NULL.
428         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
429         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
430         global switch_to_section function instead of the old port-local one.
431         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
432         (SWITCH_SECTION_FUNCTION): Delete.
433         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
434         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
435         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
436         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
437         in_section to NULL.
438         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
439         global switch_to_section function instead of the old port-local one.
440         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
441
442         * config/mips/mips.c (mips_file_start): Update comment.
443         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
444         (mips_output_aligned_decl_common): Use switch_to_section.
445         (mips_select_rtx_section): Return the section rather than emitting
446         assembly code.  Use get_named_section.
447         (mips_function_rodata_section: Likewise get_section.
448         (build_mips16_function_stub): Use switch_to_section.
449         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
450         (SDATA_SECTION_ASM_OP): Delete.
451         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
452         (EXTRA_SECTION_FUNCTIONS): Delete.
453
454         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
455         (mmix_asm_output_aligned_local): Use switch_to_section.
456
457         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
458         (som_one_only_readonly_data_section): New variables.
459         (pa_output_function_epilogue): Set in_section to NULL instead of
460         calling forget_section.
461         (output_deferred_plabels): Use select_section.
462         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
463         of calling forget_section.
464         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
465         (pa_asm_output_aligned_local): Use select_section.
466         (som_text_section_asm_op): Delete in favor of...
467         (som_output_text_section_asm_op): ...this new function.
468         (pa_som_asm_init_sections): New function.
469         (pa_select_section): Return the section rather than emitting
470         assembly code.
471         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
472         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
473         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
474         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
475         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
476         (som_readonly_data_section, som_one_only_readonly_data_section)
477         (som_one_only_data_section, forget_section): Delete.
478         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
479         (TARGET_ASM_INIT_SECTIONS): Define.
480         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
481
482         * config/rs6000/rs6000.c (read_only_data_section): New variable.
483         (private_data_section, read_only_private_data_section): New variables.
484         (sdata2_section, toc_section): New variables.
485         (rs6000_file_start): Use switch_to_section.
486         (rs6000_assemble_integer): Use comparisons against in_section
487         instead of calling in_toc_section and in_text_section.  Use
488         unlikely_text_section_p.
489         (rs6000_elf_output_toc_section_asm_op): New function, derived
490         from the old rs6000/sysv4.h toc_section function.
491         (rs6000_elf_asm_init_sections): New function.
492         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
493         the section rather than emitting assembly code.
494         (machopic_output_stub): Use switch_to_section.
495         (toc_section): Delete dummy function.
496         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
497         switch_to_section and get_section.
498         (rs6000_xcoff_output_readonly_section_asm_op): New function.
499         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
500         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
501         the old rs6000/xcoff.h toc_section function.
502         (rs6000_xcoff_asm_init_sections): New function.
503         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
504         the section rather than emitting assembly code.
505         (rs6000_xcoff_file_start): Use switch_to_section.
506         (rs6000_xcoff_file_end): Likewise.
507         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
508         (sdata2_section, sbss_section, private_data_section): Delete.
509         (read_only_data_section, read_only_private_data_section): Delete.
510         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
511         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
512         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
513         (FINI_SECTION_FUNCTION): Delete.
514         (TARGET_ASM_INIT_SECTIONS): Define.
515         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
516         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
517         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
518         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
519         (READONLY_DATA_SECTION): Delete.
520         (TARGET_ASM_INIT_SECTIONS): Define.
521         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
522         to NULL rather than no_section.
523         (TARGET_ASM_EXCEPTION_SECTION): Delete.
524
525         * config/sh/sh.c (sh_file_start): Use switch_to_section.
526
527         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
528         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
529         from call to current_function_section.
530
531         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
532         (bss100_section): New variable.
533         (xstormy16_asm_output_aligned_common): Use switch_to_section.
534         (xstormy16_asm_init_sections): New function.
535         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
536         switch_to_section and get_section.
537         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
538         from calls to current_function_section.
539         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
540         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
541         (TARGET_ASM_INIT_SECTIONS): Define.
542         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
543
544         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
545         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
546         (FINI_SECTION_FUNCTION): Delete.
547
548         * config/v850/v850.c: Include gt-v850.h.
549         (rosdata_section, rozdata_section, tdata_section, zdata_section)
550         (zbss_section): New variables.
551         (v850_output_aligned_bss): Use switch_to_section.
552         (v850_asm_init_sections): New function.
553         (v850_select_section): Return the section rather than emitting
554         assembly code.
555         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
556         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
557         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
558         (TARGET_ASM_INIT_SECTIONS): Define.
559         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
560         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
561         (zbss_section): Delete.
562
563         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
564
565         * config/vx-common.h (vxworks_exception_section): Delete.
566         (TARGET_ASM_EXCEPTION_SECTION): Delete.
567
568         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
569         section rather than emitting assembly code.
570         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
571         switch_to_section.
572
573         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
574         * coretypes.h (section): New union and typedef.
575         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
576         from call to current_function_section.
577         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
578         (dbxout_symbol_location): Use switch_to_section.
579         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
580         most of the code into...
581         (default_eh_frame_section): ...here.  Return a section.
582         (collect2_eh_frame_section): Delete, moving most of the code into..
583         (switch_to_eh_frame_section): ...this new function.
584         (debug_info_section, debug_abbrev_section, debug_aranges_section)
585         (debug_macinfo_section, debug_line_section, debug_loc_section)
586         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
587         variables.
588         (output_call_frame_info): Call switch_to_eh_frame_section instead of
589         eh_frame_section.  Use switch_to_section and get_section.
590         (dwarf2out_begin_prologue): Use switch_to_section.
591         (AT_string_form): Check the flags in debug_str_section instead of
592         DEBUG_STR_SECTION_FLAGS.
593         (output_comp_unit): Use switch_to_section, get_section, and
594         debug_info_section.
595         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
596         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
597         from call to current_function_section.
598         (dwarf2out_var_location): Use unlikely_text_section_p.
599         (dwarf2out_source_line): Use switch_to_section.  Remove argument
600         from call to current_function_section.
601         (dwarf2out_start_source_file, dwarf2out_end_source_file)
602         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
603         debug_macinfo_section.
604         (dwarf2out_init): Initialize the new section variables.  Use them
605         instead of calls to named_section_flags.  Use switch_to_section.
606         (output_indirect_string): Use switch_to_section and debug_str_section.
607         (dwarf2out_finish): Use switch_to_section and the new section
608         variables.
609         * except.c (default_exception_section): Return the section instead
610         of emitting assembly code.
611         (output_function_exception_table): Use the global exception_section
612         variable instead of the target hook.  Use switch_to_section.  Remove
613         argument from call to current_function_section.
614         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
615         (shorten_branches): Use pointer comparisons to detect whether the
616         text section is the same as readonly_data_section.
617         (profile_function): Use switch_to_section.  Remove argument from
618         call to current_function_section.
619         (final_scan_insn): Likewise.  Update use of last_text_section.
620         * gengtype.c (open_base_files): Add an include of output.h.
621         * output.h (text_section, data_section, readonly_data_section)
622         (ctors_section, dtors_section, bss_section, init_section)
623         (fini_section, sdata_section): Turn into section pointers.
624         (in_text_section, in_unlikely_text_section, exports_section)
625         (drectve_section, named_section, mergeable_string_section)
626         (last_text_section_name): Delete.
627         (default_exception_section, default_eh_frame_section): Return sections.
628         (SECTION_DECLARED, SECTION_NAMED): New macros.
629         (SECTION_MACH_DEP): Bump value.
630         (section_common, named_section, unnamed_section): New structures.
631         (unnamed_section_callback): New typedef.
632         (section): New union.
633         (sbss_section, exception_section, eh_frame_section): New variables.
634         (in_section, last_text_section): Turn into section pointers.
635         (get_unnamed_section, get_section, get_named_section): New functions.
636         (mergeable_constant_section, function_section): Return a section.
637         (unlikely_text_section): Likewise.
638         (current_function_section): Likewise.  Remove the decl argument.
639         (unlikely_text_section_p, switch_to_section): New functions.
640         (output_section_asm_op): New function.
641         (set_named_section_flags, named_section_flags, named_section_real)
642         (named_section_first_declaration): Delete.
643         (default_select_section, default_elf_select_section): Return a section.
644         (default_elf_select_section_1, default_function_rodata_section)
645         (default_no_function_rodata_section, default_select_rtx_section)
646         (default_elf_select_rtx_section): Likewise.
647         * rtl.h (in_data_section): Delete.
648         * sdbout.c (sdbout_one_type): Use switch_to_section.
649         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
650         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
651         (TARGET_ASM_EH_FRAME_SECTION): Poison.
652         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
653         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
654         (TARGET_ASM_OUT): Update after above changes.
655         * target.h (init_sections): New hook.
656         (exception_section, eh_frame_section): Delete.
657         (select_section, select_rtx_section, function_rodata_section): Return
658         a section rather than emitting assembly code.
659         * varasm.c (text_section, data_section, readonly_data_section)
660         (ctors_section, dtors_section, bss_section, init_section)
661         (fini_section): Turn into section pointers.
662         (sdata_section, sbss_section, exception_section): New variables.
663         (eh_frame_section): New variable.
664         (in_section): Make global and turn into a section pointer.
665         (last_text_section): Turn into a section pointer.
666         (unnamed_sections): New variable.
667         (in_named_name, last_text_section_name): Delete.
668         (EXTRA_SECTION_FUNCTIONS): Delete.
669         (in_named_entry): Delete.
670         (section_htab): New variable, replacing...
671         (in_named_htab): ...this deleted variable.
672         (section_entry_eq, section_entry_hash): New functions, based on...
673         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
674         (get_unnamed_section, get_section): New functions.
675         (unlikely_text_section): Return a section instead of emitting
676         assembly code.
677         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
678         (get_named_section_flags, named_section_first_declaration): Delete.
679         (unlikely_text_section_p): New function.
680         (named_section_real, named_section): Delete.
681         (get_named_section): New function.
682         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
683         (function_section): Return a section rather than emitting
684         assembly code.
685         (current_function_section): Likewise.  Remove argument.  Use
686         last_text_section if nonnull, otherwise use function_section.
687         (default_function_rodata_section): Return a section rather than
688         emitting assembly code.  Use get_section.
689         (default_no_function_rodata_section): Return a section rather than
690         emitting assembly code.
691         (variable_section): Use switch_to_section and get_named_section.
692         (mergeable_string_section): Return a section rather than emitting
693         assembly code.  Use get_section.  Make static.  Don't take special
694         countermeasures for empty strings.
695         (mergeable_constant_section): Return a section rather than emitting
696         assembly code.  Use get_section.
697         (default_named_section_asm_out_destructor): Use switch_to_section
698         and get_section.
699         (default_dtor_section_asm_out_destructor): Use switch_to_section.
700         (default_named_section_asm_out_constructor): Use switch_to_section
701         and get_section.
702         (default_ctor_section_asm_out_constructor): Use switch_to_section.
703         (assemble_start_function): Likewise.  Set last_text_section to
704         NULL rather than no_section.  Change the type of save_section.
705         (assemble_zeros, assemble_variable): Use the section flags to detect
706         whether or not a section is text.
707         (assemble_static_space): Use switch_to_section.
708         (assemble_trampoline_template): Likewise.
709         (output_constant_def_contents): Use switch_to_section and
710         get_named_section.
711         (output_constant_pool_1): Use switch_to_section.  Use the section
712         flags to see whether sections contain mergeable data.
713         (init_varasm_once): Initialize section_htab instead of in_named_htab.
714         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
715         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
716         whether a section has already been declared.
717         (default_select_section, default_elf_select_section): Return a
718         section rather than emitting assembly code.
719         (default_elf_select_section_1): Likewise.  Use bss_section for
720         SECCAT_BSS if nonnull.  Use get_named_section.
721         (default_select_rtx_section): Return a section rather than
722         emitting assembly code.
723         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
724         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
725         (output_section_asm_op, switch_to_section): New functions.
726         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
727         get_named_section.
728
729         * doc/tm.texi: Expand the introduction to the sections documentation.
730         (TRAMPOLINE_SECTION): Document new interface.
731         (SDATA_SECTION_ASM_OP): Document new macro.
732         (READONLY_DATA_SECTION): Delete.
733         (SDATA_SECTION_ASM_OP): Document new macro.
734         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
735         (TARGET_ASM_INIT_SECTIONS): Document new hook.
736         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
737         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
738         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
739
740 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
741
742         * gcc.c (init_gcc_specs): Match braces inside conditionally
743         compiled strings.
744
745 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
746
747         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
748
749 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
750
751         PR C++/24138
752         * tree.c (integer_all_onesp): Always return true if all bits on.
753
754         * testsuite/g++.dg/init/array0.C: New.
755
756 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
757
758         * doc/md.texi: Adapt to implementation.
759
760 2005-12-06  Andreas Schwab  <schwab@suse.de>
761
762         * opts.c (decode_options): Fix typo in message.
763
764 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
765
766         PR other/13873
767         * longlong.h: Merge PPC tests from upstream.
768
769 2005-12-06  Richard Guenther  <rguenther@suse.de>
770
771         * fold-const.c (fold_convert): Do not build and fold
772         CONVERT_EXPR, but always use NOP_EXPR.
773
774 2005-12-06  Jan Beulich  <jbeulich@novell.com>
775
776         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
777         __builtin_ia32_paddq and __builtin_ia32_subq.
778         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
779         __builtin_ia32_pshufw.
780         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
781
782 2005-12-05  James E Wilson  <wilson@specifix.com>
783
784         PR target/24934
785         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
786         is set.
787
788 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
789         
790         * print-tree.c (print_node): Ditto.
791         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
792         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
793         before accessing DECL_ARTIFICIAL. 
794         Handle new tag tree codes.
795         * tree-flow-inline.h (clear_call_clobbered): Update for tag
796         changes.
797         (unmodifiable_var_p): Ditto.
798         * tree-flow.h (mem_tag_kind): Remove.
799         (struct var_ann_d): Remove mem_tag_kind member.
800         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
801         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
802         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
803         (group_aliases): Ditto.
804         (setup_pointers_and_addressables): Ditto.
805         (is_escape_site): Ditto.                                          
806         (may_alias_p): Ditto.
807         (create_tag_raw): New function.
808         (create_memory_tag): Use it.
809         (dump_alias_info): Update for tags.
810         (may_be_aliased): Ditto.
811         (add_type_alias): Ditto.
812         (new_type_alias): Ditto.
813         (create_sft): Ditto.
814         (create_structure_vars): Ditto.
815         * tree-ssa-ccp.c (get_default_value): Ditto.
816         * tree-ssa-operands.c (get_expr_operands): Ditto.
817         (add_stmt_operand): Ditto.
818         (add_call_clobber_ops): Remove duplicated condition.
819         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
820         tags.
821         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
822         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
823         * tree.c (init_ttree): Update structures for new tree codes.
824         (tree_code_size): Update sizes for new tree codes.
825         (make_node_stat): Don't try to set common things on minimal
826         structures.
827         (tree_node_structure): Update for tags.
828         (is_global_var): Ditto.
829         * tree.def: Add new tree codes.
830         * tree.h (MTAG_P): New macro.
831         (TREE_MEMORY_TAG_CHECK): Ditto.
832         (SSA_VAR_P): Update for tags.
833         (struct tree_memory_tag): New structure.
834         (MTAG_GLOBAL): New macro.
835         (union tree_node): Add memory tag member.
836         * treestruct.def (TS_MEMORY_TAG): New.
837         
838 2005-12-05  Dale Johannesen  <dalej@apple.com>
839
840         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
841         what was approved (PR 24323).
842
843 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
844
845         * doc/c-tree.texi (Function Bodies): Remove description of
846         RETURN_INIT.
847
848 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
849
850         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
851         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
852         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
853         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
854         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
855         __divxc3): Document.
856
857 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
858
859         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
860         previous behaviour.
861         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
862         hook_bool_void_false.
863         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
864         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
865
866         * config/darwin.c (machopic_select_section): It's not defined
867         as weak if it's only marked as weak_import.
868         
869         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
870         Prototype.
871
872         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
873         A hidden weak object does bind locally.  Strong linkonce data
874         counts like any other strong symbol for binding.
875         (weak_finish_1): Don't specially handle weakrefs, they no longer
876         arrive here.
877         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
878         * c-common.c (handle_alias_attribute): Allow static aliases
879         of variables.
880         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
881         * gthr-dce.h: Make weakrefs static.
882         * gthr-tpf.h: Likewise.
883         * gthr-solaris.h: Likewise.
884         * gthr-posix.h: Likewise.
885         * gthr-posix95.h: Likewise.
886         * config/darwin.c (darwin_encode_section_info): static weakref
887         variables are not necessarily defined in this translation unit.
888         * doc/extend.texi (Function Attributes): Mention that an alias
889         attribute creates a definition for the thing it's attached to.
890         Change the documentation for weakref to say that the thing
891         it's attached to must be static.
892
893         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
894         we don't go into an infinite loop.
895
896 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
897
898         * config/rs6000/predicates.md (logical_const_operand): Split
899         out of logical_operand.
900         (logical_operand): Use it.
901         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
902         logical_const_operand.
903
904 2005-12-05  Jan Beulich  <jbeulich@novell.com>
905
906         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
907         and IX86_BUILTIN_CMPNESS.
908         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
909         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
910         * config/i386/i386.md (movti_internal): Correct type attribute.
911         Simplify mode attribute.
912         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
913         Correct type attribute.
914         (absxf2): Correct operator.
915         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
916         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
917         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
918         mode attribute.
919         (sse2_vmsqrtv2df2): Correct mode attribute.
920
921 2005-12-05  Jan Beulich  <jbeulich@novell.com>
922
923         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
924         16 bits. Provide insn pattern for this case.
925
926 2005-12-05  Jan Beulich  <jbeulich@novell.com>
927
928         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
929         result.
930         (__popcountDI2): Likewise.
931
932 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
933
934         PR target/25166
935         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
936         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
937         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
938         functions.
939
940 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
941
942         * c-typeck.c (null_pointer_constant_p): New function.
943         (build_conditional_expr, build_c_cast, convert_for_assignment,
944         build_binary_op): Use it.
945
946 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
947
948         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
949         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
950         CONVERT_EXPR.
951         (check_function_arguments_recurse): Allow both NOP_EXPR and
952         CONVERT_EXPR but check conversions preserve precision.
953         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
954         but check conversions preserve precision.
955         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
956         default case.
957
958 2005-12-04  Roger Sayle  <roger@eyesopen.com>
959
960         PR c/7776
961         * common.opt (Wstring-literal-comparison): New command line option.
962         * c-opts.c (c_common_handle_option): Set it with -Wall.
963         * c-typeck.c (parser_build_binary_op): Issue warning if either
964         operand of a comparison operator is a string literal, except for
965         testing equality or inequality against NULL.
966
967         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
968
969 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
970
971         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
972         of building a NOP_EXPR.
973         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
974         NOP_EXPR.
975         * c-convert.c (convert): Use fold_convert instead of building
976         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
977         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
978         #if 0 code.
979         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
980         NOP_EXPR the same as CONVERT_EXPR.
981         * c-typeck.c (build_function_call): Use fold_convert instead of
982         building a NOP_EXPR directly.
983         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
984
985 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
986
987         PR rtl-optimization/25197
988         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
989         have a reg.
990
991 2005-12-02  Stuart Hastings  <stuart@apple.com>
992
993         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
994         warning.
995
996 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
997
998         * c-typeck.c (default_function_array_conversion,
999         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1000         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1001         orig_op2.  Don't check them for NOP_EXPR.
1002         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1003         around integer zero.
1004
1005 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1006
1007         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1008         toc_save_offset, toc_size, lr_size.
1009         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1010         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1011         Adjust for removal of unused rs6000_stack_t fields.
1012         (debug_stack_info): Adjust.
1013         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1014         first, and don't bother checking for set/inc of lr on sibcalls.
1015         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1016
1017 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1018
1019         PR target/25199
1020         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1021         5 if operand 1 is not aligned.  Undo previous constraint change.
1022         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1023
1024 2005-12-02  Richard Guenther  <rguenther@suse.de>
1025
1026         * tree.h (build): Remove prototype.
1027         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1028         * tree.c (build): Remove.
1029         (build0_stat): Update comment.
1030
1031 2005-12-02  Richard Guenther  <rguenther@suse.de>
1032
1033         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1034         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1035         Likewise.
1036         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1037         maybe_fold_offset_to_component_ref): Likewise.
1038         * tree-ssa-dom.c (thread_across_edge,
1039         simplify_rhs_and_lookup_avail_expr,
1040         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1041         Likewise.
1042         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1043         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1044         lower_try_finally_switch): Likewise.
1045         * tree-if-conv.c (add_to_dst_predicate_list,
1046         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1047         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1048         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1049         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1050         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1051         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1052         gimplify_init_ctor_eval, gimplify_init_constructor,
1053         gimplify_variable_sized_compare, gimplify_boolean_expr,
1054         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1055         gimplify_expr, gimplify_body, gimplify_function_tree,
1056         force_gimple_operand): Likewise.
1057         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1058         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1059         mx_register_decls): Likewise.
1060         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1061         get_frame_field, finalize_nesting_tree_1): Likewise.
1062         * tree-inline.c (setup_one_parameter): Likewise.
1063         * tree-vect-transform.c (vectorizable_condition): Likewise.
1064         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1065         Likewise.
1066         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1067         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1068         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1069         * tree-chrec.h (build_polynomial_chrec): Likewise.
1070
1071 2005-12-02  Richard Guenther  <rguenther@suse.de>
1072
1073         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1074         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1075         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1076         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1077         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1078         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1079         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1080         Likewise.
1081         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1082         sh_adjust_unroll_max): Likewise.
1083         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1084         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1085         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1086         Likewise.
1087         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1088         Likewise.
1089         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1090         Likewise.
1091
1092 2005-12-02  Richard Guenther  <rguenther@suse.de>
1093
1094         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1095         simplify_cond_using_ranges): Use buildN instead of build.
1096         * tree-tailcall.c (adjust_accumulator_values,
1097         adjust_return_value): Likewise.
1098         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1099         generate_element_copy, generate_element_zero,
1100         generate_one_element_init): Likewise.
1101         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1102         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1103         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1104         perfect_nestify): Likewise.
1105
1106 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1107
1108         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1109
1110 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1111
1112         * ggc.h (GGC_RESIZEVEC): New.
1113
1114 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1115
1116         * gcc.c (execute): Improve readability.
1117
1118 2005-12-02  Richard Guenther  <rguenther@suse.de>
1119
1120         * tree-cfg.c (mark_used_vars): New function.
1121         (dump_function_to_file): Dump only used VAR_DECLs.
1122
1123 2005-12-02  Richard Guenther  <rguenther@suse.de>
1124
1125         * convert.c (convert_to_integer): Fix compare for nonpositive
1126         constant to use tree_int_cst_sgn <= 0.
1127
1128 2005-12-02  Richard Guenther  <rguenther@suse.de>
1129
1130         * convert.c (convert_to_integer): Use fold_convert instead
1131         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1132         instead of comparing against 0.  Use build_int_cst instead
1133         of converting integer_zero_node.
1134
1135 2005-12-02  Richard Guenther  <rguenther@suse.de>
1136
1137         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1138         and RROTATE_EXPR.
1139  
1140 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1141
1142         PR target/21017
1143         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1144         rotates.
1145
1146 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1147
1148         PR middle-end/25176
1149         * function.c (expand_function_end): Emit blockage for unwinder
1150         after return label.
1151
1152 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1153
1154         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1155         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1156         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1157         integer constant comparisons.
1158
1159 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1160             Janis Johnson  <janis187@us.ibm.com>
1161             David Edelsohn  <dje@watson.ibm.com>
1162             Ben Elliston  <bje@au.ibm.com>
1163
1164         * dfp.h, dfp.c: New files.
1165         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1166         (DECNUM_H): Likewise.
1167         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1168         (INCLUDES): Append $(DECNUMINC).
1169         (OBJS-common): Add dfp.o.
1170         (dfp.o): New rule.
1171         * real.h (EXP_BITS): Pinch one bit to ..
1172         (struct real_value): Add decimal field.
1173         (real_format): Change table size, update documentation.
1174         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1175         (real_from_string3): Declare.
1176         (decimal_single_format): Declare.
1177         (decimal_double_format): Declare.
1178         (decimal_quad_format): Declare.
1179         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1180         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1181         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1182         * real.c: Include dfp.h.
1183         (normalize): Early return for decimal floats.
1184         (do_add): Zero decimal field.
1185         (do_compare): Call do_decimal_compare for decimal floats.
1186         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1187         (real_arithmetic): Call decimal_real_arithmetic for decimal
1188         floating point operands.
1189         (real_identical): If a and b are of differing radix, return false.
1190         (real_to_integer): Call decimal_real_to_integer if the value is a
1191         decimal float.
1192         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1193         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1194         (real_to_hexadecimal): Place "N/A" in the return string for
1195         decimal float.
1196         (real_from_string3): New variant, given a mode.
1197         (real_maxval): Use decimal_real_maxval for decimal floats.
1198         (round_for_format): Use decimal_round_for_format for decimals.
1199         (real_convert): Use decimal_real_convert where appropriate.
1200         (significand_size): Handle base 10.
1201         (encode_decimal_single, decode_decimal_single,
1202         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1203         decode_decimal_quad): New functions.
1204         (decimal_single_format): New.
1205         (decimal_double_format): New.
1206         (decimal_quad_format): New.
1207         * machmode.def: Add SD, DD and TD decimal floating point modes.
1208         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1209         Include MODE_DECIMAL_FLOAT.
1210         (DECIMAL_FLOAT_MODE_P): New.
1211         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1212         * genmodes.c (struct mode_data): Add counter field.
1213         (struct mode_data): Update comment for format.
1214         (blank_mode): Initialise counter field.
1215         (new_mode): Increment counter field for each mode defined.
1216         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1217         using a format.
1218         (make_complex_modes): Handle modes containing `D'.
1219         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1220         (make_decimal_float_mode): New.
1221         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1222         (cmp_modes): Compare counter field if other characteristics
1223         similar.
1224         (emit_real_format_for_mode): Support formats for decimal floats.
1225         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1226         Document MODE_DECIMAL_FLOAT.
1227
1228 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1229
1230         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1231         Delete dead code.
1232
1233 2005-12-01  Richard Henderson  <rth@redhat.com>
1234
1235         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1236
1237 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1238
1239         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1240
1241         * config/pa/pa.c (pa_init_builtins): If we detect
1242         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1243         putc_unlocked.
1244
1245 2005-12-01  Richard Guenther  <rguenther@suse.de>
1246
1247         * fold-const.c (fold_binary): Use fold_build2, not
1248         fold (build (...)).
1249
1250 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1251
1252         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1253
1254         * vec.h (VEC_block_remove): New.
1255
1256 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1257
1258         PR c/13384
1259         * c-common.c (lvalue_error): Fix wording.
1260
1261 2005-12-01  Richard Guenther  <rguenther@suse.de>
1262
1263         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1264         thinko in last patch.
1265
1266 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1267
1268         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1269         than -flat_namespace.
1270
1271 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1272
1273         * mklibgcc.in: Parameterise the script to build soft float
1274         functions by iterating over each type, rather than cloning the
1275         code for each type.
1276
1277 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1278
1279         PR middle-end/25158
1280         * builtins.c (fold_builtin_fputs): Defer check for missing
1281         replacement functions.
1282
1283 2005-11-30  Kean Johnston  <jkj@sco.com>
1284
1285         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1286         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1287
1288 2005-11-30  Richard Guenther  <rguenther@suse.de>
1289
1290         PR tree-optimization/22501
1291         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1292         function split out from ...
1293         (forward_propagate_addr_expr): ... here.  Use it to propagate
1294         ADDR_EXPRs to all uses.
1295
1296 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1297
1298         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1299         * builtins.c (expand_builtin_mathfn): Use them.
1300         (expand_builtin_mathfn_2): Likewise.
1301         (expand_builtin_mathfn_3): Likewise.
1302         (expand_builtin_int_roundingfn): Likewise.
1303         (expand_builtin): Likewise.
1304         (integer_valued_real_p): Likewise.
1305         (fold_builtin_int_roundingfn): Likewise.
1306         (fold_builtin_bitop): Likewise.
1307         (fold_builtin_logarithm): Likewise.
1308         (fold_builtin_1): Likewise.
1309         * convert.c (convert_to_integer): Likewise.
1310         * fold-const.c (negate_mathfn_p): Likewise.
1311         (tree_expr_nonnegative_p): Likewise.
1312
1313 2005-11-30  Dale Johannesen  <dalej@apple.com>
1314             Andrew Pinski  <pinskia@physics.uc.edu>
1315
1316         * combine.c (find_split_point):  Sign extend bitmask
1317         when changing bitfield assignment to IOR of AND.
1318
1319 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1320
1321         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1322         clobber to scratch reg.
1323         (*decrement_and_branch_until_zero_no_clobber): Remove.
1324         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1325         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1326         * config/ms1/ms1.opt (mmul): Remove.
1327         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1328         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1329
1330 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1331             Bernd Schmidt  <bernd.schmidt@analog.com>
1332
1333         * pa/predicates.md (symbolic_operand): Add comment.
1334         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1335         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1336         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1337         (pa_secondary_reload_class): Delete.
1338         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1339         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1340         copy of symbolic operand.
1341         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1342
1343 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1344
1345         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1346         jump.
1347
1348 2005-11-30  Jeff Law  <law@redhat.com>
1349
1350         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1351         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1352
1353 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1354
1355         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1356         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1357         (ia64_expand_move): Adjust caller.
1358
1359         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1360         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1361         negate VAL.
1362
1363 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1364
1365         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1366         Always produce an output if we can remove NEGs or canonicalize
1367         (minus (minus ...)) expressions.  Provide a fast path for the
1368         two-operand case.
1369         (simplify_gen_binary): Do not call simplify_plus_minus.
1370         (simplify_binary_operation_1): Reassociate at the end of the
1371         function.
1372
1373 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1374
1375         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1376         moves and unpack to speed up.
1377
1378 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1379
1380         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1381         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1382         (gen_v9_scc): Update callers.
1383         * config/sparc/sparc.md: Likewise.
1384         * config/sparc/sparc-protos.h: Update extern declaration.
1385
1386         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1387
1388 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1389
1390         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1391         the if.
1392
1393 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1394
1395         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1396         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1397         (negate_expr): Here.
1398
1399 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1400
1401         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1402         Fix typo in comment.
1403
1404 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1405
1406         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1407         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1408
1409 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1410
1411         PR middle-end/20109
1412         PR middle-end/25120
1413         * builtins.c (init_target_chars): New.
1414         (expand_builtin_printf, expand_builtin_fprintf,
1415         expand_builtin_sprintf, fold_builtin_sprintf,
1416         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1417         fold_builtin_snprintf_chk, fold_builtin_printf,
1418         fold_builtin_fprintf): Check for matching format strings using
1419         the target charset.
1420
1421 2005-11-29  Paul Brook  <paul@codesourcery.com>
1422
1423         * config.gcc: Do not use fixproto on m68k-elf.
1424
1425 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1426
1427         * expmed.c (div_cost): Replace with...
1428         (sdiv_cost, udiv_cost): New.
1429         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1430         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1431         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1432         (expand_divmod): Replace use of div_cost with either sdiv_cost
1433         or udiv_cost depending upon the signedness of the operation.
1434
1435 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1436
1437         PR libfortran/24991
1438         * config/darwin.c (machopic_indirection_name,
1439         machopic_output_indirection): Follow transparent alias chain.
1440
1441 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1442
1443         * varasm.c (ultimate_transparent_alias_target): Add comment.
1444
1445 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1446
1447         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1448         SET_SRC instead of XEXP where appropriate.
1449
1450 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1451
1452         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1453         __builtin_expect.
1454
1455 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1456
1457         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1458         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1459         bit at a time.
1460
1461 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1462
1463         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1464         secondary_input_reload_class, made static.  Adapt to new
1465         infrastructure.
1466         (secondary_output_reload_class): Delete.
1467         (TARGET_SECONDARY_RELOAD): New macro.
1468         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1469         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1470
1471 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1472
1473         PR c++/21166
1474         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1475         when its natural alignment is > BITS_PER_UNIT.
1476         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1477         * c-common.c (handle_packed_attribute): Ignore packing on a field
1478         whose type is naturally char aligned.
1479
1480 2005-11-28  Richard Guenther  <rguenther@suse.de>
1481
1482         * c-common.c (strict_aliasing_warning): Handle all
1483         component-ref like accesses.
1484
1485 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1486             Uros Bizjak  <uros@kss-loka.si>
1487
1488         PR middle-end/20219
1489         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1490         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1491         when flag_unsafe_math_optimizations is set and
1492         we don't care about NaNs or Infinities.
1493
1494         Move x/expN(y) and x/pow(y,z) transformation into common
1495         flag_unsafe_math_optimizations section.
1496
1497 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1498
1499         * gcc.c (main): Change type of argv to "char **".
1500
1501 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1502
1503         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1504         small data sections.
1505         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1506         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1507         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1508         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1509         output locals to sbss if !rs6000_elf_in_small_data_p.
1510         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1511
1512 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1513
1514         PR target/24997
1515         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1516         generated by reload.
1517         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1518         indexed_or_indirect_address.
1519         (indexed_or_indirect_address): Don't test for base reg.  Call
1520         address_operand last.  Make it a special predicate.
1521
1522 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1523
1524         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1525
1526 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1527
1528         PR middle-end/24575
1529         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1530         is undefined.
1531         (negate_expr): Likewise.
1532
1533 2005-11-27  Andreas Schwab  <schwab@suse.de>
1534
1535         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1536         redundant parens.
1537
1538 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1539
1540         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1541         has EH predecessor edges.
1542
1543 2005-11-26  Eric Christopher  <echristo@apple.com>
1544
1545         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1546         register stalls by zero extending to the full register.
1547
1548 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1549
1550         * config/floatunsisf.c, config/floatunsidf.c,
1551         config/floatunsixf.c, config/floatunsitf.c: New files.
1552         * config/ia64/t-hpux: Add floatunsitf.c.
1553         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1554         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1555
1556 2005-11-26  Richard Henderson  <rth@redhat.com>
1557
1558         * c-lex.c (pragma_lex): Rename from c_lex.
1559         * c-pch.c: Update for pragma_lex rename.
1560         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1561         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1562         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1563         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1564         * doc/tm.texi: Likewise.
1565
1566 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1567
1568         PR middle-end/23669
1569         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1570         when overflow is undefined.
1571
1572 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1573
1574         * doc/md.texi (Insn Canonicalizations): Refer to the
1575         function commutative_operand_precedence for further rules.
1576
1577 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1578
1579         PR middle-end/21309
1580         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1581         is less than zero.  Limit mult_cost to a reasonable upper bound for
1582         the synthetic multiplication sequence.
1583
1584 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1585
1586         PR middle-end/25022
1587         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1588         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1589         Lookup the explicit replacement functions for any unlocked
1590         stdio builtin transformations.
1591
1592 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1593
1594         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1595         earlyclobber.
1596         * targhooks.c (default_secondary_reload): Don't require operand 2
1597         for an input reload to be earlyclobber.
1598
1599 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1600
1601         * fold-const.c (negate_mathfn_p): Fix comment and add support
1602         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1603         BUILT_IN_ATANH.
1604
1605 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1606
1607         PR middle-end/24998
1608         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1609         _Q_ulltoq for unsigned conversions from SImode and DImode to
1610         TFmode.
1611
1612 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1613
1614         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1615         (__floatundidf, __floatundisf): Likewise.
1616
1617 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1618
1619         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1620         (rs6000_override_options): Remove initialization of
1621         rs6000_sr_alias_set.
1622         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1623         (rs6000_emit_stack_tie): Same.
1624         (emit_frame_save): Same.
1625         (gen_frame_mem_offset): Same.
1626         (rs6000_emit_prologue): Same.
1627         (rs6000_emit_epilogue): Same.
1628
1629 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1630
1631         PR middle-end/24989
1632         * fold-const.c (fold_build): Convert bool_var != 1 and
1633         bool_var == 0 to !bool_var.
1634
1635 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1636
1637         PR middle-end/24990
1638         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1639         for C being INTEGER_CST.  Likewise for !=.
1640
1641 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1642
1643         PR middle-end/24998
1644         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1645         unsigned conversions from SImode to TFmode.
1646
1647 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1648
1649         * expr.c (expand_expr_real_1): Fix error in last change.
1650
1651 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1652
1653         * caller-save.c: (this_insn_sets): Move into:
1654         (save_call_clobbered_regs).
1655         (mark_set_regs): Get this_insn_sets from data.
1656
1657         (save_call_clobbered_regs): Take sets of the return value by
1658         sibcalls into account.
1659
1660 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1661         PR target/21623:
1662
1663         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1664         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1665         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1666         (memory_move_secondary_cost, init_reg_autoinc): Remove
1667         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1668         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1669         secondary_reload_class call.
1670         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1671         callers.
1672         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1673         (push_secondary_reload): Use secondary_reload target hook.
1674         (secondary_reload_class, scratch_reload_class): New functions.
1675         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1676         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1677         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1678         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1679         (secondary_reload_class, scratch_reload_class): Declare.
1680         * reload1.c: Include target.h.
1681         (reload_adjust_reg_for_temp): New function.
1682         (reload_adjust_reg_for_icode): Likewise.
1683         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1684         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1685         call.
1686         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1687         for inheritance.  Support case when both secondary & tertiary reloads
1688         are for intermediate registers.
1689         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1690         with secondary_reload_class call.  Support case when both secondary
1691         & tertiary reloads are for intermediate registers.
1692         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1693         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1694         * target.h (secondary_reload_info): New struct / typedef.
1695         (struct gcc_target): New member secondary_reload.
1696         * targhooks.c Include reload.h, optabs.h and recog.h.
1697         (default_secondary_reload): New function.
1698         * targhooks.h (default_secondary_reload): Declare.
1699         * doc/tm.texi: Document secondary_reload target hook.  Update
1700         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1701         * doc/md.texi: Likewise.
1702
1703         * sh-protos.h (sh_secondary_reload): Declare.
1704         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1705         (sh_secondary_reload): New function.
1706         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1707         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1708         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1709         (HAVE_SECONDARY_RELOADS): Define.
1710         * sh.md (reload_indf): Rename to:
1711         (reload_indf__frn).
1712         (reload_outdf): Rename to:
1713         (reload_outdf__RnFRm).
1714         (reload_insf): Rename to:
1715         (reload_insf__frn).
1716         (reload_insi): Rename to:
1717         (reload_insi__i_fpul).
1718
1719 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1720
1721         * configure.ac: Require at least texinfo 4.4.
1722         * configure: Regenerate.
1723
1724         * doc/install.texi (Tools/packages necessary for building GCC):
1725         Update required version of texinfo to at least 4.4.
1726         (Installing GCC: Building): Update required version of texinfo
1727         to at least 4.4.
1728         (Installing GCC: Final installation): Update required version
1729         of texi2dvi to at least 4.4.
1730         (Host/target specific installation notes for GCC): Update required
1731         version of texinfo to at least 4.4.
1732
1733 2005-11-24  Richard Guenther  <rguenther@suse.de>
1734         Dirk Mueller <dmueller@suse.de>
1735
1736         PR c++/14024
1737         * c-common.h (strict_aliasing_warning): Declare.
1738         * c-common.c (strict_aliasing_warning): New function,
1739         split out from ...
1740         * c-typeck.c (build_c_cast): ... here.
1741
1742 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1743
1744         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1745         to order operands.
1746         (swap_commutative_operands_with_target): New.
1747
1748 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1749
1750         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1751         also when doing PRE, rather than only for global CPROP.
1752
1753 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1754
1755         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1756         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1757         formatting.
1758         (expand_twoval_unop): Likewise.
1759         (widen_clz): Likewise.
1760         (expand_parity): Likewise.
1761         (expand_unop): Likewise.
1762         (emit_cmp_and_jmp_insn_1): Likewise.
1763         (prepare_float_lib_cmp): Likewise.
1764
1765 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1766
1767         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1768         Remove unused `class' variable.
1769
1770 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1771
1772         PR c++/21667
1773         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1774         C/C++ diagnostic function warn_array_subscript_with_type_char.
1775         * c-common.h (warn_array_subscript_with_type_char): Declare.
1776         * c-common.c (warn_array_subscript_with_type_char): Define.
1777
1778 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1779
1780         PR c/21668
1781         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1782         compiling at the intersection of C and C++.
1783
1784 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1785
1786         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1787         List @file in the option summary.  Include the libiberty
1788         documentation for @file.
1789         * gcc.c (main): Call expandargv.
1790         * Makefile.in (gcc-vers.texi): Define srcdir.
1791
1792 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1793
1794         * passes.c (init_optimization_passes): Document
1795         sequencing of passes.
1796
1797 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1798
1799         * config/m68k/predicates.md (pcrel_address, extend_operator,
1800         post_inc_operand, pre_dec_operand): Remove redundant
1801         conditionals.
1802         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1803         instead of abort.
1804         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1805
1806 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1807
1808         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1809
1810 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1811
1812         Preparatory work for PR target/21623:
1813         * alpha.c (secondary_reload_class): Rename to:
1814         (alpha_secondary_reload_class).
1815         * alpha.h, alpha-protos.h: Likewise.
1816         * mn10300.c (secondary_reload_class): Rename to:
1817         (mn10300_secondary_reload_class).
1818         * mn10300.h, mn10300-protos.h: Likewise.
1819         * pa.c (secondary_reload_class): Rename to:
1820         (pa_secondary_reload_class).
1821         * pa.h, pa-protos.h: Likewise.
1822         * rs6000.c (secondary_reload_class): Rename to:
1823         rs6000_secondary_reload_class.
1824         * rs6000.h, rs6000-protos.h: Likewise.
1825
1826 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1827
1828         PR middle-end/22561
1829         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1830
1831 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1832
1833         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1834         a mode_class.
1835         (prepare_cmp_insn): Likewise.
1836
1837 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1838
1839         PR target/23435
1840         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1841         if both operands[0] and operands[1] are memory.
1842
1843 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1844
1845         PR middle-end/23606
1846         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1847         COMPARISON_CLASS_P and an integral types create create a new
1848         expression with the new type and fold that.
1849
1850 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1851
1852         PR target/24988
1853         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1854         to SUBTARGET_OS_CPP_BUILTINS.
1855
1856 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1857
1858         * arm.c (emit_set_insn): New function.
1859         (arm_split_constant): Call it.
1860         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1861         (arm_legitimize_address): Likewise.  Use plus_constant.
1862         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1863         (thumb_expand_prologue): Likewise.
1864         (arm_gen_load_multiple): Use VOIDmode in SET.
1865         (arm_gen_store_multiple): Likewise.
1866         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1867         (emit_multi_reg_push): Likewise.
1868         (emit_sfm): Use plus_constant.
1869
1870 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1871
1872         PR target/24954
1873         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1874         typo last change.
1875
1876 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1877
1878         PR middle-end/24950
1879         * expmed.c (store_bit_field): Don't attempt to insv a field
1880         larger than the reg.
1881
1882 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1883
1884         PR target/24954
1885         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1886         explicit sign extension, not a (char) cast.
1887
1888 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1889
1890         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1891         GET_MODE_CLASS (x) == MODE_FLOAT.
1892         * config/i386/i386.c: Likewise.
1893         * config/rs6000/xcoff.h: Likewise.
1894         * config/rs6000/linux64.h: Likewise.
1895         * config/rs6000/rs6000.c: Likewise.
1896         * config/rs6000/rs6000.h: Likewise.
1897         * config/rs6000/predicates.md: Likewise.
1898         * config/rs6000/sysv4.h: Likewise.
1899
1900 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1901
1902         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1903         flag_pic is set.
1904
1905         * config/alpha/freebsd.h, config/alpha/linux.h,
1906         config/arm/linux-elf.h, config/bfin/bfin.h,
1907         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1908         config/i386/beos-elf.h, config/i386/gnu.h,
1909         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1910         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1911         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1912         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1913         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1914         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1915         config/sparc/linux.h, config/sparc/linux64.h,
1916         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1917
1918         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1919         are both defined when either flag -fpic or -fPIC are used.
1920
1921 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1922
1923         * config/fp-bit.c (clzusi): New function.
1924         (si_to_float, usi_to_float): Use it to compute proper shift.
1925         (usi_to_float): Preserve guard bits when shifting right.
1926         * libgcc-std.ver (GCC_4.2.0): New version.
1927         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1928         __floatundisf): New functions.
1929         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1930         __floatundisf): Declare.
1931         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1932         _floatundixf, and _floatunditf.
1933         * optabs.c (expand_float): If target does not define a pattern for
1934         signed or unsigned conversion, use an unsigned libcall instead of
1935         a signed one.
1936         (init_optabs): Initialize ufloat_optab.
1937
1938 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1939
1940         * config/rs6000/rs6000.opt (mmulhw): New option.
1941         * doc/invoke.texi (-mmulhw): Document.
1942         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1943         for 405 and 440.
1944         * config/rs6000/rs6000.md: Add half-word multiply and
1945         multiply-accumulate instructions for 405 and 440.
1946
1947 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1948
1949         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1950         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1951         default now includes a linker group which makes the RTEMS one nest.
1952
1953 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1954
1955         * cse.c (fold_rtx): Typo fix.
1956         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1957
1958 2005-11-21  Richard Henderson  <rth@redhat.com>
1959
1960         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1961         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1962
1963         * c-tree.h (lookup_name): Move declaration ...
1964         * c-common.h (lookup_name): ... here.
1965         * config/darwin-c.c: Include c-common.h.
1966         * config/t-darwin: Update dependencies.
1967
1968 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1969
1970         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1971         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1972         * genopinit.c (gen_insn): Likewise.
1973         * reload.c (find_equiv_reg): Likewise.
1974         * loop.c (load_mems): Likewise.
1975         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1976         * cse.c (find_comparison_args, fold_rtx): Likewise.
1977         * dwarf2out.c (add_const_value_attribute): Likewise.
1978         * expr.c (convert_move): Likewise.
1979         * recog.c (general_operand, register_operand): Likewise.
1980         * reg-stack.c (replace_reg): Likewise.
1981         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1982         * c-common.c (handle_vector_size_attribute): Likewise.
1983         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1984         (simplify_binary_operation_1): Likewise.
1985         (simplify_const_binary_operation): Likewise.
1986         (simplify_relational_operation): Likewise.
1987         (simplify_const_relational_operation): Likewise.
1988         (simplify_immed_subreg): Likewise.
1989         * emit-rtl.c (gen_lowpart_common): Likewise.
1990         * expmed.c (expand_mult): Likewise.
1991         * stor-layout.c (layout_type): Likewise.
1992
1993 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1994
1995         PR target/24951
1996         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1997         cst2 only for SPE vectors.
1998
1999 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2000
2001         PR target/24953
2002         * config/rs6000/predicates.md (vrsave_operation): Check
2003         UNSPEC_VOLATILE value.
2004
2005 2005-11-21  Jan Hubicka  <jh@suse.cz>
2006
2007         PR tree-optimization/24653
2008         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2009
2010 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2011
2012         * config/i386/predicates.md (ax_reg_operand): New predicate.
2013         (memory_displacement_only_operand): New predicate.
2014         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2015         operand is AX register and the other operand is memory operand
2016         with displacement only.
2017
2018 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2019
2020         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2021         if we don't care about NaNs or Infinities.
2022
2023 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2024
2025         PR rtl-optimization/24883
2026         * combine.c (combinable_i3pat): When checking whether the
2027         destination of i3 is used in i3, consider paradoxical subregs.
2028
2029 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2030
2031         PR middle-end/20583
2032         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2033
2034 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2035
2036         * combine.c (try_combine): Do not run subst on i1src and i2src in
2037         the case of generating a PARALLEL for a comparison.
2038
2039 2005-11-20  Richard Henderson  <rth@redhat.com>
2040
2041         PR 24931
2042         * tree-sra.c (struct sra_elt): Add all_no_warning.
2043         (struct sra_walk_fns) <use>: Add use_all argument.
2044         (sra_walk_expr): Pass it.
2045         (sra_walk_modify_expr): Likewise.
2046         (scalarize_ldst): Likewise.
2047         (scan_use): Update for new argument.
2048         (mark_no_warning): New.
2049         (scalarize_use): Use it.
2050
2051 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2052
2053         * expr.c (expand_expr_real): Use usmul_optab for widening
2054         signed * unsigned multiplies.
2055         * genopinit.c (optabs): Add usmul_widen_optab.
2056         * optabs.c (init_optabs): Likewise.
2057         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2058         (usmul_widen_optab): Define.
2059         * config/bfin/bfin.md (usmulhisi3): New pattern.
2060
2061         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2062
2063 2005-11-20  Graham Stott <btinternet.com>
2064
2065         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2066
2067 2005-11-20  Andreas Schwab  <schwab@suse.de>
2068
2069         PR target/24757
2070         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2071         insn.
2072
2073 2005-11-19  Richard Henderson  <rth@redhat.com>
2074
2075         PR tree-opt/24665
2076         * tree-gimple.c (is_gimple_id): Export.
2077         * tree-gimple.h (is_gimple_id): Declare.
2078         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2079         (get_default_value): Use it.
2080         (maybe_fold_stmt_indirect): Likewise.
2081
2082 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2083
2084         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2085         than VR1 or vice-versa.
2086
2087 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2088
2089         PR middle-end/24912
2090         PR middle-end/24750
2091         * reload.c (find_reloads_address_1): Mention dependency on
2092         gen_reload.
2093         * reload1.c (gen_reload): For IN with an unary operation, try
2094         moving inner expression to OUT if trivial SET is not valid.
2095         Confirm that the result is valid.  Move common code block into...
2096         (emit_insn_if_valid_for_reload): New function.
2097
2098 2005-11-19  Richard Guenther  <rguenther@suse.de>
2099
2100         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2101         ARRAY_REFs of constant strings.
2102
2103 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2104
2105         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2106         fatal format string.
2107
2108 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2109
2110         * combine.c (make_compound_operation): Swap operands of
2111         commutative operation if necessary before returning.
2112
2113 2005-11-19  Richard Guenther  <rguenther@suse.de>
2114
2115         PR middle-end/23294
2116         * fold-const.c (fold_plusminus_mult_expr): New function.
2117         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2118         cases, remove now unnecessary code.
2119
2120 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2121
2122         * gensupport.c (old_preds): Rename to std_preds, add special field.
2123         (struct old_pred_table): Rename to struct std_pred_table, add special
2124         field.
2125         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2126         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2127         (init_predicate_table): Adjust, and set along the way whether a
2128         predicate is special.
2129
2130 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2131
2132         * BASE-VER: Change to 4.2.0.
2133
2134 2005-11-18  James E Wilson  <wilson@specifix.com>
2135
2136         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2137         returning it.
2138
2139 2005-11-18  Mike Stump  <mrs@apple.com>
2140
2141         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2142         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2143         * c-decl.c (lookup_name_two) Remove.
2144         * c-tree.h (lookup_name_two): Remove.
2145         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2146         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2147         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2148         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2149
2150 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2151
2152         PR target/24914
2153         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2154         when not generating code to use that co-processor.
2155
2156 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2157
2158         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2159         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2160         these functions are now in tree-phinodes.c.
2161
2162 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2163
2164         * config/bfin/bfin.md (trap): New pattern.
2165
2166 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2167
2168         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2169         on types.
2170
2171         * expr.c (expand_expr_real): Don't call record_block_change unless
2172         ib_boundaries_block is non-null
2173
2174         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2175
2176         * fold-const.c (build_range_check): Use proper type for subtraction
2177         when merging lower bound.
2178
2179 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2180
2181         PR rtl-optimization/24497
2182         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2183         the copied insn.
2184
2185 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2186
2187         * tree-scalar-evolution.c (expression_expensive_p): New function.
2188         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2189
2190 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2191
2192         * config/bfin/crtlibid.s: New file.
2193
2194 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2195
2196         PR target/24348
2197         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2198         when not using sjlj exceptions.
2199         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2200         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2201         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2202         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2203         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2204         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2205         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2206         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2207         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2208         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2209         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2210         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2211         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2212         defines.
2213         * config/pa/hpux-unwind.h: New file.
2214
2215 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2216
2217         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2218         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2219         * varasm.c (do_assemble_alias): Adjust call.
2220         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2221         is defined.
2222         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2223
2224 2005-11-17  James E Wilson  <wilson@specifix.com>
2225
2226         * tree.def (FUNCTION_DECL): Correct typo in comment.
2227
2228 2005-11-17  Richard Henderson  <rth@redhat.com>
2229
2230         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2231         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2232         and DW_CFA_def_cfa_sf.
2233         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2234         (dbx_reg_number): Don't assert particular registers here.
2235         (based_loc_descr): ... do it here instead.  Fold in ...
2236         (eliminate_reg_to_offset): ... this function.
2237         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2238         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2239         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2240         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2241         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2242         (instantiate_virtual_regs): Likewise.
2243         * var-tracking.c (adjust_stack_reference): Likewise.
2244         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2245
2246 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2247
2248         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2249         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2250         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2251         crtlibid.o.
2252         ($(T)crtlibid.o): New rule.
2253
2254 2005-11-16  Richard Guenther  <rguenther@suse.de>
2255
2256         PR middle-end/24851
2257         * fold-const.c (extract_array_ref): Return byte offset
2258         in all cases.
2259         (fold_binary): Fold &x[a] CMP &x[b] to
2260         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2261         behavior.
2262
2263 2005-11-16  Richard Henderson  <rth@redhat.com>
2264
2265         PR middle-end/23497
2266         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2267         parts of an SSA_NAME.
2268
2269 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2270
2271         PR target/24861
2272         * arm.md (split for movsf with immediate): Restrict split to insns
2273         that set a general register.
2274
2275 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2276
2277         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2278         uw_update_context.
2279         * unwind-dw2.c (uw_advance_context): Likewise.
2280         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2281         _Unwind_SjLj_Unregister.
2282         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2283
2284 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2285
2286         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2287
2288 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2289
2290         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2291         langhook to get a DImode integer type.
2292
2293 2005-11-16  Richard Henderson  <rth@redhat.com>
2294             J"orn Rennecke <joern.rennecke@st.com>
2295             Ulrich Weigand  <uweigand@de.ibm.com>
2296
2297         PR rtl-opt/24160
2298         PR target/24621
2299         * reload1.c (reg_equiv_invariant): New.
2300         (reload): Allocate, initialize, and free it.
2301         (calculate_needs_all_insns): Check it when skipping equivalence
2302         setting insns.
2303         (alter_reg): Likewise.
2304         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2305         may_use_invariant argument; only use reg_equiv_invariant when true.
2306         (eliminate_regs): New.
2307         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2308         a context for which may_use_invariant may be true.
2309
2310 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2311
2312         * fold-const.c (const_binop): Don't constant fold the operation
2313         if the result has overflowed and flag_trapping_math.
2314         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2315
2316 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2317
2318         * config/arm/unwind-arm.c (abort): Add prototype here.
2319         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2320         (struct phase1_vrs): Add prev_sp.
2321         (unwind_phase2_forced): Save the original core registers instead of
2322         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2323         and set action flags accordingly.  Always set _US_END_OF_STACK when
2324         get_eit_entry fails.  Unwind before calling the stop function.
2325         (_Unwind_GetCFA): New function.
2326         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2327         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2328         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2329         just call unwind_phase2_forced.
2330         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2331         * config/arm/unwind-arm.h (abort): Remove prototype.
2332         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2333         prototypes.
2334         (_Unwind_GetCFA): New prototype.
2335         * config/arm/pr-support.c (abort): Add prototype here.
2336         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2337         forced unwinding.
2338         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2339         not schedule the prologue with non-call exceptions and EABI.
2340
2341 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2342
2343         * config/arm/unwind-arm.h: Reorder interface function declarations.
2344         (_URC_END_OF_STACK): New enumeration value.
2345         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2346         (struct _Unwind_Control_Block): Document reserved field use.
2347         (_Unwind_Stop_Fn): New typedef.
2348         (_Unwind_ForcedUnwind): Declare.
2349         (_Unwind_Resume_or_Rethrow): Declare.
2350         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2351         argument.  Adjust.
2352         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2353         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2354         (UCB_FORCED_STOP_ARG): New.
2355         (search_EIT_table): Update boundary condition checks.
2356         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2357         (unwind_phase2): Replace for with do..while.
2358         (unwind_phase2_forced): New.
2359         (__gnu_Unwind_RaiseException): Replace for with do..while.
2360         (__gnu_Unwind_ForcedUnwind): New.
2361         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2362         Use appropriate phase2 unwinder.
2363         (__gnu_Unwind_Resume_or_Rethrow): New.
2364         (__gnu_unwind_pr_common): Cope with forced unwinding.
2365
2366 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2367
2368         PR target/24772
2369         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2370
2371         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2372         roundsf2): Remove "s" from mnemonic.
2373
2374 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2375
2376         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2377         __PIC__ is defined.
2378         * config/bfin/crtn.s: Change epilogues to match.
2379         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2380         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2381         __PIC__ and __pic__.
2382
2383 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2384
2385         PR 24357
2386         * doc/invoke.texi: Distinguish between free and fixed form instead of
2387         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2388         languages.
2389         * gcc.c (default_compilers): Remove double entries, add entries for
2390         suffixes '.F90' and '.F95'.
2391
2392 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2393
2394         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2395         in the stack probing loop.
2396
2397 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2398
2399         * configure.ac: Use .machine power5 not power5x.
2400         * configure: Regenerate.
2401
2402 2005-11-15  Mike Stump  <mrs@apple.com>
2403
2404         * c-decl.c (lookup_name_two): Add.
2405         * c-tree.h (lookup_name_two): Likewise.
2406         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2407         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2408
2409 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2410
2411         PR rtl-optimization/23392
2412         * regrename.c (enum scan_actions) Add mark_access.
2413         (scan_actions_name): Ditto.
2414         (scan_rtx_reg): Handle mark_access.
2415         (scan_rtx_address): Do nothing for mark_access.
2416         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2417         and regs in REG_INC notes before closing chains for dead regs.
2418         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2419         opening chains for new writes.
2420
2421 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2422
2423         * c.opt (ffixed-line-length-none): New.
2424
2425 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2426
2427         * mklibgcc.in: Change contents of eh_dummy.c.
2428
2429 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2430
2431         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2432
2433 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2434
2435         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2436         of making syscalls.
2437         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2438
2439 2005-11-15  Jan Hubicka  <jh@suse.cz>
2440
2441         * invoke.texi (large-unit-insns): Document.
2442         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2443         * params.def (large-unit-insns): New param.
2444
2445 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2446
2447         PR target/24869
2448         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2449         special register for operand 3.  Reindent constraints to align
2450         them vertically.
2451
2452 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2453
2454         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2455         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2456         * configure.ac: Add test for FP rounding instructions.
2457         * configure: Regenerate.
2458         * config.in: Regenerate.
2459         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2460         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2461         features enabled.
2462         * config/rs6000/rs6000.opt (mfprnd): New.
2463         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2464         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2465         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2466         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2467         (TARGET_FPRND): New.
2468         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2469         UNSPEC_FRIZ): New.
2470         (btrunc<mode>2): New.
2471         (ceil<mode>2): New.
2472         (floor<mode>2): New.
2473         (round<mode>2): New.
2474
2475 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2476
2477         * gcc.c (version_compare_spec_function): Use fatal() rather than
2478         abort().
2479
2480         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2481         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2482         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2483         as empty.
2484         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2485         link in crt2.o.
2486
2487         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2488         on -mmacosx-version-min setting.
2489
2490 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2491
2492         PR 24840
2493         * tree-vrp.c (infer_value_range): Return false if STMT is a
2494         block terminator and its basic block has no successors.
2495
2496 2005-11-14  Mike Stump  <mrs@apple.com>
2497
2498         * config/i386/i386.c (override_options): -masm=intel isn't
2499         supported on darwin.
2500         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2501
2502 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2503
2504         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2505         vfork after including auto-host.h.
2506
2507 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2508
2509         PR rtl-optimization/22002
2510         * combine.c (distribute_notes): Detect cases where a reg dies
2511         two or more times in a bb, including on the insn we are combining,
2512         and place the death note on the correct range.
2513
2514 2005-11-14  Dale Johannesen  <dalej@apple.com>
2515
2516         * expmed.c (store_bit_field):  Add offset unconditionally for
2517         memory targets.
2518         (extract_bit_field):  Don't force extzv or extv operand into
2519         a register if field is too big.
2520
2521 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2522
2523         * config/arm/arm.c (pic_labelno): New.
2524         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2525         LABEL_REF.  Pass only the labelno to PIC insns.
2526         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2527         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2528         * arm.md (UNSPEC_PIC_LABEL): New constant.
2529         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2530         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2531         Use the correct label prefix.
2532
2533 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2534
2535         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2536         REQ_EQUIV note.
2537
2538 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2539
2540         * loop-invariant.c: Include tm_p.h.
2541         * Makefile.in: Updated.
2542
2543 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2544
2545         * pa.c (store_reg): Revise generation of frame notes in large frames.
2546         (set_reg_plus_d): Likewise.
2547
2548 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2549
2550         PR tree-optimization/24709
2551         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2552         loop check.
2553
2554 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2555
2556         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2557         and duplicate declaration of pthread_self.
2558
2559 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2560             Ian Lance Taylor  <ian@airs.com>
2561
2562         PR middle-end/24003
2563         * calls.c (expand_call): If TARGET is a MEM and some part of the
2564         argument area has been saved, force TARGET to a register.
2565
2566 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2567
2568         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2569         checking.
2570
2571 2005-11-13  Jason Merrill  <jason@redhat.com>
2572
2573         PR c++/22489
2574         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2575         lazily declared methods.
2576         (force_decl_die): Stop if forcing out the context already make a
2577         DIE for the decl.
2578         (force_type_die): Likewise.
2579
2580 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2581
2582         PR middle-end/24820
2583         * builtins.c (integer_valued_real_p): Add break in
2584         REAL_CST having TREE_OVERFLOW set.
2585
2586 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2587
2588         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2589         addressing modes during calculation of costs.
2590
2591 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2592
2593         * function.c (assign_stack_local_1): Restrict sanity check
2594         on frame size overflow to 32-bit and above platforms.
2595
2596 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2597
2598         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2599         * config/cris/cris.c: Include reload.h.
2600         (cris_initial_elimination_offset): New function.
2601         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2602         Prototype.
2603
2604 2005-11-12  Richard Guenther  <rguenther@suse.de>
2605
2606         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2607
2608 2005-11-12  Jan Hubicka  <jh@suse.cz>
2609
2610         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2611         to compare against 0 when possible.
2612
2613 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2614
2615         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2616         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2617         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2618         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2619         in the new order.
2620
2621 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2622
2623         * recog.c (constrain_operands) <case 'g'>: For a match, require
2624         that a non-register matches general_operand when strict >= 0.
2625
2626 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2627
2628         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2629         previous checkin.
2630
2631 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2632
2633         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2634         (memory_address_same): New.
2635         (dse_optimize_stmt): Call memory_address_same.
2636
2637 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2638
2639         PR middle-end/24750
2640         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2641         ZERO_EXTEND>: New cases.
2642
2643 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2644
2645         * longlong.h (__clz_tab): Always provide.
2646
2647 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2648
2649         PR 24265
2650         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2651         can be assigned to.
2652         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2653         before check_maybe_invariant.
2654         (move_invariant_reg): Use gen_move_insn instead of replacing
2655         SET_DEST with the temporary for the invariant.
2656         (move_loop_invariants): If checking is enabled, do internal
2657         consistency checks after completing the pass.
2658
2659 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2660
2661         PR 24644
2662         * common.opt (Wvolatile-register-var): New.
2663         * varasm.c (make_decl_rtl): Only emit warning when option
2664         specified.  Clarify warning message.
2665         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2666
2667         * doc/md.texi (copysign): Document standard named pattern.
2668
2669 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2670
2671         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2672         bytes when align is 2.
2673         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2674         by the first instruction of the loop.
2675
2676 2005-11-11  Jason Merrill  <jason@redhat.com>
2677
2678         PR c++/24686
2679         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2680         the cleanup list.
2681
2682 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2683
2684         PR rtl-optimization/22509
2685         * local-alloc.c (memref_used_between_p): Check whether a function call
2686         could not reference the memref.
2687
2688 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2689
2690         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2691         algorithm so as to choose the best, not the worst, alternative.
2692         Reset accumulated register class before processing next alternative.
2693
2694 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2695
2696         PR target/24445
2697         * calls.c (expand_call): Copy a return value to a plain register
2698         if needed.
2699
2700 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2701
2702         PR target/24778
2703         * varasm.c (assemble_name): Recompute name only for transparent
2704         aliases.
2705
2706 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2707
2708         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2709
2710 2005-11-04  Jeff Law  <law@redhat.com>
2711
2712         PR middle-end/23181
2713         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2714         perform reassociation if the parent statement will not die as
2715         a result of the optimization.
2716
2717 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2718
2719         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2720         delete_old_heap_vars.
2721         * tree-dfa.c (referenced_var_remove): Remove function.
2722         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2723         (delete_tree_ssa): Remove call to delete_old_heapvars.
2724         Add call to delete_alias_heapvars.
2725         * tree-flow.h (referenced_var_remove): Remove prototype
2726         (init_alias_heapvars): New prototype.
2727         (delete_alias_heapvars): Ditto.
2728         * Makefile.in (tree-ssa-structalias.o): Add
2729         gt-tree-ssa-structalias.o
2730         (GTFILES): Add tree-ssa-structalias.h and
2731         tree-ssa-structalias.c.
2732         (s-gtype): Add gt-tree-ssa-structalias.h.
2733         * tree-ssa-structalias.c (heapvars): Remove.
2734         (oldheapvars): Remove.
2735         (heapvar_for_stmt): New variable.
2736         (heapvar_lookup): New function.
2737         (heapvar_insert): Ditto.
2738         (get_constraint_for): See if we have an old heapvar
2739         to reuse.
2740         (init_alias_heapvars): New function.
2741         (delete_alias_heapvars): Ditto.
2742         Add include of gt-tree-ssa-structalias.h.
2743
2744 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2745
2746         PR middle-end/22127
2747         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2748
2749 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2750
2751         * tree.c (int_fits_type_p): Only look at the base type
2752         if it has the same precision as the original type.
2753
2754 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2755
2756         PR other/4372
2757         * varasm.c (assemble_alias): Use %q+D in the error
2758         message instead of %J and %qD.
2759
2760 2005-11-10  Richard Guenther  <rguenther@suse.de>
2761
2762         * gcse.c (free_ldst_entry): Only free hashtable if
2763         it exists.
2764
2765 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2766
2767         * function.c (assign_stack_local_1): Issue an error message if
2768         the frame size overflows in the signed target arithmetics.
2769
2770 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2771
2772         * tree.c (build_qualified_type): Chain the new type to the original
2773         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2774         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2775         (build_pointer_type_for_mode): Only return unqualified types.
2776         (build_reference_type_for_mode): Likewise.
2777
2778 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2779
2780         * Makefile.in (gnucompare): Do comparison of all files using one of
2781         the chosen methods and only afterwards decide if just warning should
2782         be issued or comparison failure raised.
2783
2784 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2785
2786         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2787         (noce_try_abs): Negate if the comparison is reversed.
2788         Look only one instruction backwards for a REG_EQUAL note.
2789
2790 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2791
2792         PR other/4372
2793         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2794         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2795         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2796         and prefix all uses with __ghtrw.
2797
2798 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2799
2800         PR other/4372
2801         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2802         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2803         * c-common.c (handle_weakref_attribute): New.
2804         (c_common_attribute_table): Add weakref.
2805         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2806         in the assembler.
2807         * configure, config.in: Rebuilt.
2808         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2809         * doc/extend.texi: Document weakref attribute.
2810         * varasm.c (ultimate_transparent_alias_target): New
2811         (assemble_name): Use it.
2812         (weak_finish_1): Split out of...
2813         (weak_finish): ... and deal with weakrefs in...
2814         (weakref_targets): ... new list.
2815         (globalize_decl): Clean up weakref_targets.
2816         (do_assemble_alias): Handle weakrefs.
2817         (finish_aliases_1): Do not reject weakrefs to external symbols.
2818         (assemble_alias): Handle weakrefs.
2819
2820 2005-11-09  Richard Guenther  <rguenther@suse.de>
2821
2822         PR tree-optimization/24716
2823         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2824         t_bool to track results from follow_ssa_edge.
2825
2826 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2827
2828         * final.c (force_source_line): New global variable.
2829         (final_scan_insn): Set it to true instead of clearing last_filename.
2830         (notice_source_line): Return true if force_source_line is true,
2831         unless source info is absent.
2832
2833 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2834
2835         PR c/24644
2836         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2837         a linkage name for a variable if it a register variable.
2838         * c-decl.c (grokdeclarator): Global register variables
2839         should be set as PUBLIC.
2840
2841 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2842
2843         PR 24624
2844         * config/s390/s390.c (struct s390_frame_layout): New fields
2845         first_save_gpr_slot and last_save_gpr_slot.
2846         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2847         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2848         first_save_gpr and last_save_gpr with the _slot variants.
2849         (s390_register_info): Calculate first_save_gpr_slot and
2850         last_save_gpr_slot using regs_ever_live.
2851
2852 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2853
2854         PR 24623
2855         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2856         for a function containing a landing pad.
2857
2858 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2859
2860         PR 24034
2861         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2862         is live afterwards.
2863
2864 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2865
2866         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2867         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2868
2869 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2870
2871         Add ms2 support
2872         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2873         constants.
2874         (call,load,store): New insn types.
2875         (mem_access, branch_access): Adjust reservation conditions.
2876         (define_delay): Adjust condition.
2877         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2878         type.
2879         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2880         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2881         insn type.
2882         (call_internal, call_value_internal, return_internal,
2883         return_interrupt_internal, eh_return_internal, indirect_jump,
2884         tablejump): Set call insn type.
2885         (blockage, ei, di): Use appropriate unspec const.
2886         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2887         (ms1_get_attr_type): Adjust to give load & store types.
2888         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2889         backwards past a barrier.
2890         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2891         branch scheduling.
2892         (struct branch_info, struct label_info): New.
2893         (ms1_labels): New.
2894         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2895         (ms1_machine_reorg): New.
2896         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2897         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2898         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2899         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2900         (TARGET_MS2): New.
2901
2902 2005-11-09  Per Bothner  <per@bothner.com>
2903             Uros Bizjak  <uros@kss-loka.si>
2904
2905         PR c/24101
2906         * toplev.c (process_options): Initialize debug_hooks early
2907         in case lang_hooks.post_options ends up calling a debug_hook.
2908
2909 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2910
2911         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2912         DBX_REGISTER_NUMBER being contiguous.
2913
2914 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2915             Diego Novillo  <dnovillo@redhat.com>
2916
2917         PR 23046
2918         * tree-vrp.c (register_edge_assert_for): Do not register
2919         always-false predicates.
2920
2921 2005-11-08  Devang Patel <dpatel@apple.com>
2922
2923         PR tree-optimization/23115
2924         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2925         relation.
2926
2927 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2928
2929         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2930         -mcpu=440.
2931
2932 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2933
2934         Fix PR tree-optimization/23382
2935
2936         * tree-ssa-alias.c (compute_may_aliases): Call
2937         delete_old_heap_vars.
2938         * tree-dfa.c (referenced_var_remove): New function.
2939         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2940         * tree-flow.h (referenced_var_remove): Add prototype.
2941         (delete_old_heap_vars): Ditto.
2942         * tree-ssa-structalias.c (heapvars): New variable.
2943         (oldheapvars): Ditto.
2944         (get_constraint_for): Put heap vars on heapvars list.
2945         (delete_old_heap_vars): New function.
2946
2947 2005-11-08  Jason Merrill  <jason@redhat.com>
2948
2949         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2950
2951 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2952
2953         PR target/19340
2954         * reg-stack.c (reg_to_stack): Update register liveness also
2955         for flag_sched2_use_traces.
2956
2957 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2958
2959         PR target/23704
2960         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2961         override prior explicit -mno-powerpc-gfxopt.
2962
2963 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2964
2965         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2966         if the bitsize is zero.
2967         * doc/md.texi (Standard Pattern Names): Document it.
2968
2969         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2970         (TARGET_PASS_BY_REFERENCE): Likewise.
2971
2972 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2973
2974         PR rtl-optimization/24683
2975         * config/i386/i386.c (legitimize_pic_address): If constant operand
2976         to PLUS is too large, put it in a register.
2977
2978 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2979
2980         * configure.ac: Enable checking assembler dwarf2 support for bfin
2981         target.
2982         * configure: Regenerate.
2983
2984 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2985
2986         PR target/24230
2987
2988         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2989         gen_easy_vector_constant_add_self): Delete.
2990         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2991         New.
2992         (output_vec_const_move): Use gen_easy_altivec_constant.
2993         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2994         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2995         (easy_vector_constant_add_self): Rewritten.
2996         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2997         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2998         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2999         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3000         Macroize and adjust for the other changes.
3001
3002 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3003
3004         PR c/24599
3005
3006         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3007         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3008
3009 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3010
3011         PR rtl-optimization/23567
3012         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3013         (noce_process_if_block): Don't do any optimizations except
3014         if (cond) x = x; if !set_b and write into orig_x may trap
3015         or fault.  Remove the MEM_READONLY_P check.
3016
3017 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3018
3019         PR 24670
3020         * tree-vrp.c (fix_equivalence_set): New.
3021         (extract_range_from_assert): Call it.
3022
3023 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3024
3025         PR target/22432
3026         * combine.c (apply_distributive_law): Don't distribute across a
3027         vector mode subreg.
3028
3029 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3030
3031         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3032         config/ms1/ms1.h, config/rs6000/predicates.md,
3033         config/s390/s390.c, params.def, postreload-gcse.c,
3034         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3035         tree-vrp.c, tree.c: Fix comment typos.
3036         * doc/invoke.texi: Fix typos.
3037
3038 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3039
3040         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3041         for testing whether the data_dependence_relation contains distance
3042         vectors.  Iterate over all distance vectors of the ddr.
3043         * lambda.h: Define a vec of lambda_vector pointers.
3044         * tree-data-ref.c (dump_data_dependence_relation,
3045         dump_data_dependence_direction): Iterate over all distance and
3046         direction vectors of the ddr.
3047         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3048         DDR_DIST_VECTS.
3049         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3050         of distance/direction vectors instead of a single one.
3051         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3052         lambda_vectors with a vec of lambda_vectors.
3053         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3054         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3055         DDR_NUM_DIST_VECTS): New.
3056         * tree-loop-linear.c (gather_interchange_stats): Test for the
3057         existence of distance vectors only after having checked that there
3058         is a dependence.  Iterate over all distance vectors of the ddr.
3059         (linear_transform_loops): Use dump_data_dependence_relation.
3060         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3061         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3062         distance vectors of the ddr.
3063
3064 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3065
3066         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3067         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3068         IS_INTHANDLER; all callers changed.
3069         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3070         account.
3071         (do_link, do_unlink): New argument ALL; all callers changed.
3072         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3073         If function isn't leaf, save and restore all registers.
3074         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3075         exception handler.
3076
3077 2005-11-05  Jan Hubicka  <jh@suse.cz>
3078
3079         PR rtl-optimization/23490
3080         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3081         max-flow-memory-location): Document.
3082         * flow.c: Include params.h
3083         (MAX_MEM_SET_LIST_LEN): Kill.
3084         (add_to_mem_set_list): Use new param.
3085         * cse.c (cse_basic_block): Replace 1000 by new param.
3086         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3087         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3088         * predict.c (predict_loops): Use new param.
3089         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3090
3091         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3092         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3093         Do not hold memory returned by cgraph_node_name across other call.
3094
3095 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3096
3097         PR target/23424
3098         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3099         Disable.
3100
3101 2005-11-04  Jeff Law  <law@redhat.com>
3102
3103         PR/21883
3104         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3105         * tree-ssa-dom.c: Include params.h.
3106         (thread_across_edge): If there are too many statements in the
3107         target block, then do not thread through it.
3108         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3109         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3110
3111 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3112
3113         PR 24627
3114         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3115         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3116
3117 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3118
3119         PR/18595
3120         * tree-scalar-evolution.c (instantiate_parameters_1,
3121         instantiate_parameters, resolve_mixers): Compute the size of an
3122         expression to be instantiated and give up the instantiation if the
3123         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3124
3125 2005-11-04  Richard Guenther  <rguenther@suse.de>
3126
3127         * tree-flow.h (ref_contains_indirect_ref): Rename to
3128         array_ref_contains_indirect_ref.
3129         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3130         (array_ref_contains_indirect_ref): Make comment match the code
3131         and vice-versa.
3132         (ref_contains_array_ref): Likewise.
3133         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3134         ref_contains_indirect_ref.
3135         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3136         Rename calls to ref_contains_indirect_ref.
3137
3138 2005-11-04 Paul Brook  <paul@codesourcery.com>
3139
3140         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3141         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3142         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3143         * config/arm/arm.md: Use match_operand in peephole input templates
3144         and match_dup in peephole output templates.
3145
3146 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3147
3148         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3149         __aeabi_uidiv.
3150
3151 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3152             Daniel Jacobowitz  <dan@codesourcery.com>
3153
3154         * longlong.h (add_ssaaaa): Clobber condition code register
3155         in ARM version.
3156         (sub_ddmmss): Likewise.
3157         (umul_ppmm): Likewise.
3158
3159 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3160             Paul Brook  <paul@codesourcery.com>
3161             Phil Blundell  <pb@reciva.com>
3162
3163         * configure.ac: Add test for ARM TLS support.
3164         * configure: Regenerated.
3165         * config/arm/arm-protos.h (legitimize_tls_address)
3166         (arm_tls_referenced_p, tls_mentioned_p)
3167         (arm_output_addr_const_extra): New prototypes.
3168         (thumb_legitimize_pic_address): Delete.
3169         * config/arm/arm.c: Include "gt-arm.h".
3170         (enum tls_reloc): New.
3171         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3172         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3173         (arm_call_tls_get_addr, legitimize_tls_address)
3174         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3175         (arm_init_tls_builtins, arm_emit_tls_decoration)
3176         (arm_output_addr_const_extra): New functions.
3177         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3178         (TARGET_HAVE_TLS): Define.
3179         (target_thread_pointer): New.
3180         (arm_override_options): Handle -mtp=.
3181         (legitimize_pic_address): Ignore UNSPECs.
3182         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3183         relative symbols.
3184         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3185         (tls_get_addr_libfunc): New variable.
3186         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3187         (arm_init_builtins): Call arm_init_tls_builtins.
3188         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3189         (arm_encode_section_info): Call default_encode_section_info.
3190         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3191         (enum arm_tp_type): New.
3192         (target_thread_pointer): Add declaration.
3193         (LEGITIMATE_CONSTANT_P): Handle TLS.
3194         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3195         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3196         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3197         * config/arm/arm.md: Add UNSPEC_TLS.
3198         (movsi): Handle TLS.
3199         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3200         non-PIC.
3201         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3202         (load_tp_hard, load_tp_soft): New insns.
3203         * arm.opt: Add -mtp=.
3204         * doc/invoke.texi (ARM Options): Document -mtp.
3205
3206 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3207
3208         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3209         * config/arm/libunwind.S: Include "lib1funcs.asm".
3210         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3211         (LIB2ADDEH): Add libunwind.S.
3212         (LIB2ADDEHDEP): Add lib1funcs.asm.
3213         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3214
3215 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3216
3217         PR fortran/18452
3218         * gcc/c.opt: Add a -lang-fortran option.
3219         * gcc/c-opts.c: Add a lang_fortran flag.
3220         (c_common_init_options): Handling the -lang-fortran option.
3221         (c_common_handle_option): Add a case for Fortran options in
3222         preprocessing. Remove cases for -ffixed-form and
3223         -ffixed-line-length. Add a case for -lang-fortran.
3224
3225 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3226
3227         * config/rs6000/rs6000.c: Include params.h
3228         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3229         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3230         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3231         (UNSPEC_VPKUWSS): Delete.
3232         (altivec_vpkuhss): Delete.
3233         (altivec_vpkuwss): Delete.
3234         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3235         final condition.
3236         (neg_eq0<mode>): Remove final condition.
3237         (neg_eq<mode>): Remove condition and split-condition.
3238
3239 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3240
3241         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3242         Use associated print macros.
3243
3244 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3245
3246         PR c++/17964
3247         * diagnostic.c (diagnostic_set_info_translated): New function.
3248         (diagnostic_set_info): Use it.  Add comment.
3249         * diagnostic.h (diagnostic_set_info_translated): Declare.
3250
3251 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3252
3253         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3254         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3255         reference only if 'public' is true.
3256         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3257         emit the .hidden directive only if the indirect reference is public.
3258         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3259         Pass it to dw2_force_const_mem.
3260         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3261         * dwarf2out.c (output_cfi): Adjust calls to above function.
3262         (output_call_frame_info): Likewise.
3263         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3264         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3265
3266 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3267
3268         PR tree-optimization/24483
3269         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3270         field to elts if possible.
3271
3272 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3273
3274         PR middle-end/23155
3275         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3276         CONSTRUCTOR.
3277
3278 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3279
3280         Fix PR tree-optimization/24351
3281
3282         * tree-ssa-structalias.c (struct variable_info): Add
3283         collapsed_into.
3284         (get_varinfo_fc): New function to follow collapsing.
3285         (new_var_info): Set collapsed_to to NULL.
3286         (dump_constraint): Follow collapsing.
3287         (build_constraint_graph): Handle collapsing.
3288         (do_simple_structure_copy): Return false if something bad
3289         happened.
3290         (collapse_rest_of_var): New function.
3291         (do_structure_copy): Collapse if do_simple_structure_copy returns
3292         false.
3293
3294 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3295
3296         PR middle-end/24589
3297         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3298         expressions to a statement list instead of gimplifying them.
3299
3300 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3301
3302         PR rtl-optimization/23585
3303         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3304         that can't trap plus a constant integer, if the mode has zero size.
3305
3306 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3307
3308         PR target/24620
3309         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3310         as operand 2.
3311         ("*insv<mode>_reg_extimm"): Likewise.
3312
3313 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3314
3315         PR c/24329
3316         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3317         c_common_type_for_mode returns an unnamed type.
3318
3319 2005-11-02  Richard Henderson  <rth@redhat.com>
3320
3321         PR target/9350
3322         PR target/24374
3323         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3324         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3325         * function.c (assign_parms): Use calls.internal_arg_pointer.
3326         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3327         code.
3328         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3329         (TARGET_CALLS): Add it.
3330         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3331         * targhooks.c (default_internal_arg_pointer): New.
3332         * targhooks.h (default_internal_arg_pointer): Declare.
3333         * tree.h (dwarf2out_reg_save_reg): Declare.
3334         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3335         * config/i386/i386.c (dbx_register_map): Add return column.
3336         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3337         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3338         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3339         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3340         (ix86_save_reg): Save force_align_arg_pointer.
3341         (ix86_emit_save_regs): Make regno unsigned.
3342         (ix86_emit_save_regs_using_mov): Likewise.
3343         (ix86_expand_prologue): Handle force_align_arg_pointer.
3344         (ix86_expand_epilogue): Likewise.
3345         * config/i386/i386.h: (dbx_register_map): Update.
3346         (dbx64_register_map, svr4_dbx_register_map): Update.
3347         (struct machine_function): Add force_align_arg_pointer.
3348         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3349         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3350         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3351
3352 2005-11-02  Jan Hubicka  <jh@suse.cz>
3353
3354         PR target/23303
3355         * i386.md: Add peep2 for simplyfing array accesses.
3356
3357 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3358
3359         PR target/24615
3360         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3361         * config/s390/s390.c (s390_decompose_shift_count): New function.
3362         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3363         (print_shift_count_operand): Use s390_decompose_shift_count.
3364         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3365         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3366
3367 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3368
3369         PR target/24600
3370         * loop.c (loop_givs_rescan): Use force_operand to expand
3371         complex GIVs.
3372
3373 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3374
3375         PR 22429
3376         * fold-const.c (build_range_check): Use unsigned when signed
3377         overflow is undefined also.  If etype is subtype, make sure that
3378         the subtraction is in the supertype.
3379
3380 2005-11-02  Richard Henderson  <rth@redhat.com>
3381
3382         PR target/24178
3383         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3384         by MEM_ALIGN.
3385
3386 2005-11-01  Richard Henderson  <rth@redhat.com>
3387
3388         PR 21518
3389         * loop.c (scan_loop): Do not propagate computations to a hard
3390         register destination with SMALL_REGISTER_CLASSES.
3391
3392 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3393
3394         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3395         costs for MULT inside PLUS or MINUS.
3396
3397 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3398
3399         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3400         (TRAMPOLINE_SIZE): Round up to 60.
3401         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3402
3403 2005-10-31  James E. Wilson  <wilson@specifix.com>
3404
3405         PR debug/24444
3406         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3407         ifdef.  Put ifdefs around call in gen_subprogram_die.
3408         (compute_frame_pointer_to_cfa_displacement): Likewise.
3409         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3410         not defined.
3411
3412         PR rtl-optimization/17356
3413         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3414         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3415
3416 2005-10-31  Jan Hubicka  <jh@suse.cz>
3417
3418         PR middle-end/24093
3419         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3420
3421         PR target/20928
3422         * i386.c (legitimize_pic_address): Deal with large immediates.
3423
3424         PR profile/20815
3425         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3426         from symbol names while computing checkup.
3427
3428         PR profile/24487
3429         * predict.c (predict_loops): Do not estimate more than
3430         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3431         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3432
3433 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3434
3435         PR tree-optimization/19097
3436         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3437
3438 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3439
3440         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3441
3442 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3443
3444         PR middle-end/23492
3445         * tree-inline.c (setup_one_parameter): If the init_stmt
3446         is NULL, don't insert the statement.
3447
3448 2005-10-30  Jan Hubicka  <jh@suse.cz>
3449
3450         PR tree-optimization/24172
3451         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3452
3453 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3454
3455         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3456         constants for hosts with long != 32 bits.
3457
3458 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3459
3460         PR middle-end/24093
3461         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3462
3463 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3464
3465         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3466         (TARGET_MS1_16_002): New.
3467         (TARGET_MS1_16_003): New.
3468
3469         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3470         ("*decrement_and_branch_until_zero_no_clobber"): New.
3471         Add corresponding splitter for decrement_and_branch_until_zero
3472         instruction.
3473         Key all decrement_and_branch_until_zero patterns off of
3474         TARGET_MS1_16_003.
3475
3476 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3477
3478         PR middle-end/24362
3479         * tree-complex.c (extract_component): Treat RESULT_DECL
3480         like the rest of the decls.
3481
3482 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3483
3484         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3485         indirect call to _mcount if the function needs a static chain.
3486
3487 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3488             Caroline Tice  <ctice@apple.com>
3489
3490         PR rtl-optimization/24460
3491         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3492         (dwarf2out_switch_text_section): Set it to true instead of
3493         incrementing separate_line_info_table_in_use.
3494         (output_loc_list): Additionally test have_switched_text_sections.
3495         (output_ranges): Likewise.
3496         (dwarf2out_finish): Likewise.
3497         * varasm.c (assemble_start_function): Do not call
3498         insert_section_boundary_note.
3499         (assemble_end_function): If flag_reorder_blocks_and_partition,
3500         switch to the function's section before emitting the .size directive.
3501         * bb-reorder.c (insert_section_boundary_note): Staticify.
3502         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3503         * output.h (insert_section_boundary_note): Delete.
3504
3505 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3506
3507         PR c/23103
3508         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3509         instead of pointer equality when comparing types.
3510
3511 2005-10-24  James E. Wilson  <wilson@specifix.com>
3512
3513         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3514         add_dependence_list_and_free calls.
3515
3516 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3517
3518         * contrib.texi: Add the names of the LLNL folks who donated
3519         Cray pointer support for gfortran.
3520
3521 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3522
3523         PR tree-optimization/24225
3524         * profile.c (branch_prob): Look from end to start through a
3525         basic block when looking for a locus.
3526
3527 2005-10-24  Richard Henderson  <rth@redhat.com>
3528
3529         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3530         parallel.
3531         (hppa_expand_prologue): Likewise.
3532
3533 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3534
3535         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3536         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3537         * pa.h (NO_PROFILE_COUNTERS): Define.
3538         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3539         (funcdef_nos): New vector to hold label numbers of deferred profile
3540         counters.
3541         (output_deferred_profile_counters): New function.
3542         (hppa_profile_hook): Push label number onto funcdef_nos.
3543         (pa_hpux_file_end): Call output_deferred_profile_counters if
3544         NO_DEFERRED_PROFILE_COUNTERS is false.
3545
3546         * pa-protos.h (get_deferred_plabel): New prototype.
3547         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3548         Make global.
3549         (output_call): Adjust calls.
3550
3551 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3552
3553         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3554         peculiarity of GOT/TOC section usage.
3555
3556 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3557
3558         PR objc/24435
3559          * c-common.c (constant_string_class_name): Add documentation.
3560
3561 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3562
3563         PR target/23832
3564         * recog.c (peephole2_optimize): Increment peep2_current_count
3565         only when the slot is empty.
3566
3567 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3568
3569         PR ada/23957
3570         * except.c (output_function_exception_table): Call
3571         assemble_external_libcall if we need a personality function.
3572
3573 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3574
3575         PR rtl-optimization/24460
3576         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3577         set the basic block for barriers.
3578
3579 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3580
3581         * var-tracking.c (vt_initialize): Initialize post.
3582
3583 2005-10-21  Devang Patel  <dpatel@apple.com>
3584
3585         PR/24220
3586         * c-common.c (vector_types_convertible_p): Check vector element type.
3587
3588 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3589
3590         * config/sh/sh.c (prepare_move_operands): Handle the address
3591         constant which is a tls symbolic address plus a constant.
3592
3593 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3594
3595         PR driver/24473
3596         * gcc.c (main): Use the correct counter for erroring out
3597         about mulitple files.
3598
3599 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3600
3601         PR target/24465
3602         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3603         use r2 for 64-bit tls .got access.
3604
3605 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3606
3607         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3608         TRUTH_OR_EXPR.
3609
3610 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3611
3612         PR tree-optimization/24307
3613         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3614
3615 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3616
3617         PR middle-end/24295
3618         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3619         alias targets.
3620         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3621         is ready, stop marking functions, but still mark variables.
3622
3623 2005-10-20  Richard Guenther  <rguenther@suse.de>
3624
3625         PR c++/24439
3626         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3627         void type operands.
3628
3629 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3630
3631         PR rtl-optimization/23585
3632         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3633         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3634         (may_trap_p_1): New predicate extracted from...
3635         (may_trap_p): ... here.  Invoke may_trap_p_1.
3636         (may_trap_or_fault_p): New predicate.
3637         * rtl.h (may_trap_or_fault_p): Declare it.
3638         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3639         instead of may_trap_p.
3640         (steal_delay_list_from_fallthrough): Likewise.
3641         (fill_simple_delay_slots): Likewise.
3642         (fill_slots_from_thread): Likewise.
3643         * function.c (pad_to_arg_alignment): Rework comment about
3644         SPARC_STACK_BOUNDARY_HACK.
3645         * config/sparc/sparc.h: Likewise.
3646
3647 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3648
3649         * config/s390/s390.c (s390_expand_insv): New.
3650         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3651         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3652         ("icm_hi"): Remove mode attribute.
3653         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3654         Adjust all uses.
3655         ("*extracthi", "*extractqi"): Remove.
3656         (extv<mode>", "*extzv<mode>"): New.
3657         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3658         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3659
3660 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3661
3662         * cfgexpand.c (discover_nonconstant_array_refs_r,
3663         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3664         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3665         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3666         discover_nonconstant_array_refs.
3667
3668 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3669
3670         PR c/23228
3671         * c-decl.c (pop_scope): Don't warn about an unused variable
3672         if it is marked with TREE_NO_WARNING.
3673         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3674         somenow mismatch and olddecl is to be replaced.
3675
3676 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3677
3678         PR middle-end/23199
3679         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3680         whether registers live on the edge can be saved/restored.
3681
3682 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3683
3684         * config/sh/sh.c (fixup_mova): Skip notes.
3685
3686 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3687
3688         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3689         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3690         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3691         (s390_initial_elimination_offset): Likewise.
3692         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3693         register on TARGET_ZARCH targets.
3694         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3695         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3696         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3697         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3698
3699 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3700
3701         * config/s390/s390.md: Comment describing output modifiers updated.
3702         * config/s390/s390.c (print_operand): Likewise.
3703
3704 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3705
3706         * config/s390/s390.c (override_options): Added check for -mstack-size
3707         64k limitation.
3708         * doc/invoke.texi: Mention that limit in the documenation.
3709
3710 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3711
3712         PR #19672
3713         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3714
3715 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3716
3717         Fix PR tree-optimization/24231
3718
3719         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3720         (compute_avail): Ditto.
3721
3722 2005-10-18  Richard Henderson  <rth@redhat.com>
3723
3724         PR target/24428
3725         * config/i386/i386.c (legitimate_constant_p): Check
3726         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3727         if LABEL_REF.
3728         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3729         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3730         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3731         directly.
3732         (print_operand_address): Likewise.
3733         * config/i386/predicates.md (x86_64_immediate_operand): Test
3734         SYMBOL_REF_TLS_MODEL properly inside CONST.
3735         (x86_64_zext_immediate_operand): Likewise.
3736         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3737         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3738         * config/i386/i386-protos.h: Remove predicates.md entries.
3739
3740 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3741
3742         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3743         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3744
3745 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3746             Ian Lance Taylor <ian@airs.com>
3747
3748         PR middle-end/23522
3749         * fold-const.c (fold_widened_comparison): Do not allow range based
3750         constant folding when right operand cannot be unwidened.
3751
3752 2005-10-17  Richard Henderson  <rth@redhat.com>
3753
3754         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3755         with a memory clobber.
3756
3757 2005-10-17  James E Wilson  <wilson@specifix.com>
3758
3759         PR rtl-optimization/17356
3760         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3761         checking for EDGE_EH.
3762
3763 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3764
3765         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3766         the slot on an even boundary for any type with 16-byte alignment.
3767
3768 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3769
3770         PR target/23424
3771         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3772         after register allocation.
3773
3774 2005-10-17  DJ Delorie  <dj@redhat.com>
3775
3776         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3777         as frame related.
3778
3779 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3780
3781         PR c++/22551
3782         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3783         overflow flags.
3784
3785 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3786
3787         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3788         to 2 if it's already non-zero.
3789         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3790         is set and warn about it if flag_schedule_insns is 1.
3791
3792 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3793
3794         * config/crx/crx.md: Compare-and-branch instructions need to
3795         invalidate CC.
3796
3797 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3798
3799         PR target/24315
3800         * config/i386/i386.md (*pushdi2_rex64 splitter)
3801         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3802         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3803         flow2 pass only when (optimize > 0 && flag_peephole2).
3804
3805 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3806
3807         PR driver/22544
3808         * gcc.c (have_c): New static variable.
3809         (have_o): Likewise.
3810         (process_command): Remove declation of have_c.
3811         Set have_o to 1 when handling -o.
3812         (main): Add a fatel error if there are multiple
3813         files specified and -o and -c/-S is passed witout
3814         -combine or multiple languages.
3815
3816 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3817
3818         Fix PR tree-optimization/22444
3819         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3820         Assert that we don't hit something with subvars.
3821         (setup_pointers_and_addressables): Don't add things with subvars,
3822         because we'll already process the subvars for aliasing purposes.
3823
3824 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3825
3826         PR target/23424
3827         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3828         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3829         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3830         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3831         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3832         swapped, alternatives for the R constraint.
3833
3834         PR middle-end/24341
3835         * builtins.c (get_builtin_sync_mode): Make unlimited
3836         mode_for_size request.
3837
3838 2005-10-15  Richard Henderson  <rth@redhat.com>
3839
3840         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3841         (gimplify_expr): ... here.
3842         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3843         fb_lvalue in base expression.
3844
3845 2005-10-15  Richard Henderson  <rth@redhat.com>
3846
3847         PR 23714
3848         * builtins.c (expand_builtin_trap): Export.
3849         * expr.h (expand_builtin_trap): Declare.
3850         * expr.c (expand_assignment): Emit a trap for integral offsets
3851         from registers that weren't reduced to bitpos.
3852
3853         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3854         (mark_array_ref_addressable): Remove.
3855         * tree-flow.h (mark_array_ref_addressable): Remove.
3856         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3857
3858 2005-10-15  James E Wilson  <wilson@specifix.com>
3859
3860         PR target/24232
3861         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3862         (add_dependence_list_and_free): Likewise.
3863         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3864         call.
3865
3866 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3867
3868         PR 23141
3869         PR 23142
3870         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3871         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3872         anti-range.
3873         (vrp_visit_phi_node): Only prevent infinite iterations when
3874         the previous result and the new result are both VR_RANGEs.
3875
3876 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3877
3878         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3879         function comment.
3880
3881 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3882
3883         PR c/23439
3884         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3885         to initialize loc.
3886
3887 2005-10-14  Per Bothner  <per@bothner.com>
3888
3889         PR preprocessor/21250
3890         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3891
3892 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3893
3894         PR c++/22551
3895         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3896         overflow flags.  Refactor some conditionals.
3897
3898 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3899
3900         PR tree-opt/21304
3901         * tree-dfa.c (add_referenced_var): Only look at decls which
3902         have TREE_CONSTANT or TREE_READONLY set instead of if
3903         !TREE_PUBLIC or !TREE_CONSTANT.
3904
3905 2005-10-13  James E Wilson  <wilson@specifix.com>
3906
3907         * doc/invoke.texi: For -x, add f95-cpp-input.
3908         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3909
3910 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3911
3912         PR tree-optimization/24262
3913         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3914         in loop all the time.
3915
3916 2005-10-12  Richard Henderson  <rth@redhat.com>
3917
3918         PR c/24255
3919         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3920         * function.c (assign_parm_find_data_types): Don't support it.
3921         * print-tree.c (print_node): Likewise.
3922         * c-common.c (handle_transparent_union_attribute): Likewise.
3923         Use build_duplicate_type.
3924         * tree-inline.c (remap_type_1): Split out of remap_type;
3925         properly remap aggregate fields.
3926         (build_duplicate_type): New.
3927         * doc/extend.texi (Variable Attributes): Remove documentation
3928         for transparent_union.
3929
3930 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3931
3932         PR target/24284
3933         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3934         (gen_stack_pointer_dec): Likewise.
3935
3936 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3937
3938         PR middle-end/21275
3939         PR middle-end/21766
3940         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3941         target hook.
3942         (struct cxx): Add adjust_class_at_definition target hook.
3943         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3944         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3945         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3946         hook_void_tree. Add to TARGET_CXX.
3947         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3948         dllimport_flag.
3949         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3950         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3951         instead of attribute. Check for dllexport override.  Warn if
3952         inconsistent dll linkage. Don't lose old dllimport if decl has
3953         had address referenced.   Tweak lookup of dllimport atribute.
3954         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3955         for target specific rules.  Don't add dllimport attribute if
3956         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3957         dllimport attribute.
3958         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3959         * varasm.c (initializer_constant_valid_p): Replace
3960         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3961
3962         PR target/21801
3963         PR target/23589
3964         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3965         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3966         (i[34567]86-*-mingw32*): Likewise.
3967
3968         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3969         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3970
3971         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3972         C++-specific code. Change return value to bool.
3973         (i386_pe_dllimport_p): Likewise.
3974         (associated_type): Simplify and make language-independent
3975         (i386_pe_encode_section_info): Replace override of ambiguous
3976         dllimport symbol refs with a gcc_assert.
3977         (i386_pe_valid_dllimport_attribute_p): Define.
3978         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3979         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3980         i386_pe_adjust_class_at_definition.
3981         * config/i386/winnt-stubs.c: New file. Define stub versions of
3982         lang-specific functions.
3983         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3984         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3985         i386_pe_adjust_class_at_definition.
3986         (i386_pe_valid_dllimport_attribute_p): Declare.
3987         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3988         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3989         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3990
3991         PR target/19704
3992         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3993         dllimport attribute with test of DECL_DLLIMPORT_P.
3994
3995 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3996
3997         * combine.c (make_extraction): Correct offset computation.
3998
3999 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4000
4001         * config/cris/t-linux (LIMITS_H_TEST): Define.
4002
4003 2005-10-12  Richard Henderson  <rth@redhat.com>
4004
4005         PR rtl-opt/23324
4006         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4007
4008 2005-10-12  Richard Guenther  <rguenther@suse.de>
4009
4010         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4011
4012 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4013
4014         PR c++/19964
4015         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4016         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4017         type.
4018
4019 2005-10-12  Richard Guenther  <rguenther@suse.de>
4020
4021         PR c++/23799
4022         * varasm.c (output_constant): Correct typo from previous
4023         patch by DJ.
4024
4025 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4026
4027         PR rtl-optimization/13931
4028         * combine.c: Revert patch of 2003-05-14, and:
4029         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4030         completely killed in the appropriate insn.
4031         (distribute_notes): Don't skip multiple hard register test for
4032         elim_i1 and elim_i2.
4033
4034 2005-10-11  Richard Henderson  <rth@redhat.com>
4035
4036         PR c/24255
4037         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4038         to initialize a transparent union instead of a nop_expr.
4039
4040 2005-10-11  Richard Henderson  <rth@redhat.com>
4041
4042         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4043         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4044         (tree_ssa_dce_loop): Call scev_reset.
4045
4046         PR tree-opt/24300
4047         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4048         * tree-ssa-dce.c: Include cfgloop.h.
4049         (tree_ssa_dce_loop, pass_dce_loop): New.
4050         * tree-pass.h (pass_dce_loop): Declare it.
4051         * passes.c (init_optimization_passes): Use it.
4052
4053 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4054
4055         PR middle-end/24263
4056         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4057         Only apply the optimization for rounding builtins if the inner
4058         cast is also an extension.
4059
4060 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4061
4062         PR tree-opt/23946
4063         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4064         mark_new_vars_to_rename instead of update_stmt.
4065
4066 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4067
4068         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4069
4070 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4071
4072         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4073         for setting MMX register to 0 rather than mmx.
4074
4075 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4076
4077         PR target/12098
4078         * configure.ac: Move gas check from mips specific case to common case.
4079         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4080         * configure: Regenerate
4081         * doc/install.texi: Update.
4082
4083 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4084
4085         PR target/24284
4086         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4087
4088 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4089
4090         * gcc.c (do_spec_1): Accept numeric characters in file name
4091         suffixes.
4092
4093 2005-10-10  Nick Clifton  <nickc@redhat.com>
4094
4095         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4096         describing the deleted arm_gen_rotated_half_load function.
4097
4098 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4099
4100         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4101         __fpscr_values.
4102
4103 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4104
4105         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4106         gnu_ld assignments.
4107         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4108         (EXTRA_MULTILIB_PARTS): Define.
4109         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4110         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4111         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4112         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4113         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4114         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4115
4116 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4117
4118         PR tree-optimization/24226
4119         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4120         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4121         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4122         Export.
4123
4124 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4125
4126         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4127
4128 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4129
4130         PR target/24136
4131         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4132         Rewrite for no need for the early clobber.
4133
4134 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4135
4136         Merge from csl-arm-branch:
4137         2005-09-07  Paul Brook  <paul@codesourcery.com>
4138         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4139         space to string.
4140
4141         2005-04-30  Paul Brook  <paul@codesourcery.com>
4142         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4143         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4144
4145         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4146         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4147         (arm_override_options): Use TARGET_AAPCS_BASED.
4148         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4149         (PTRDIFF_TYPE): Use int for AAPCS.
4150         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4151         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4152         (DEFAULT_SHORT_ENUMS): Delete.
4153         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4154
4155         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4156         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4157         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4158         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4159
4160         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4161         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4162
4163         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4164         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4165
4166         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4167         * config.gcc (arm*-*-linux-gnueabi): Add it.
4168         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4169         redefining it.
4170         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4171         * config/arm/linux-eabi.h: New file.
4172         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4173         (LINUX_TARET_LINK_SPEC): Likewise.
4174         (LINK_SPEC): Use it.
4175         * config/arm/t-linux-eabi: New file.
4176
4177 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4178
4179         PR other/22202
4180         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4181         spaces.
4182         (PARAM_SMS_DFA_HISTORY): Likewise.
4183
4184 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4185
4186         PR middle-end/23150
4187         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4188         (load_register_parameters): Call it.
4189         (check_sibcall_argument_overlap_1): Likewise.
4190         (store_one_arg): Likewise.
4191
4192 2005-10-07  James E. Wilson  <wilson@specifix.com>
4193
4194         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4195         DImode not VECINT24 for operand 2.
4196
4197         PR target/23644
4198         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4199         -mtune-arch.
4200
4201         PR target/24193
4202         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4203         fr_spill): Use destination_operand for operand 0.
4204
4205 2005-10-07  DJ Delorie  <dj@redhat.com>
4206
4207         * varasm.c (output_constant): Limit error to expanding
4208         conversions.
4209
4210 2005-10-07  Richard Guenther  <rguenther@suse.de>
4211
4212         PR middle-end/24227
4213         * fold-const.c (fold_binary): Fix operand types during folding
4214         of X op (A, Y).  Evaluation order of the side-effects of
4215         X and A are frontend-defined, so ensure we honour that even for
4216         tcc_comparison class operands; eased by removing duplicate code.
4217
4218 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4219
4220         * stor-layout.c (layout_type): Do not allow alignment of array
4221         elements to be greater than their size.
4222
4223 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4224
4225         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4226         host_xmake_file.
4227         (hppa*-*-linux*): Ditto.
4228         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4229         * config/host-hpux.c: New.
4230         * config/x-hpux: New.
4231         * config/pa/x-hpux: Remove.
4232         * config/pa/x-linux: Remove.
4233         * config/pa/pa-host.c: Remove.
4234
4235 2005-10-07  Jeff Law  <law@redhat.com>
4236
4237         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4238         determine whether or not to try and thread outgoing edges.
4239
4240 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4241
4242         * config/rs6000/rs6000.md (eqsi_power): New.
4243         (neg_eq0si): Add TARGET_POWER to final condition.
4244         (neg_eqsi): Same.
4245
4246 2005-10-06  Richard Henderson  <rth@redhat.com>
4247
4248         * config/rs6000/rs6000.c: Revert last change.
4249
4250 2005-10-06  Richard Henderson  <rth@redhat.com>
4251
4252         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4253         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4254
4255 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4256
4257         PR middle-end/22216
4258         PR middle-end/23651
4259         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4260         out return_label and naked_return_label.
4261
4262 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4263
4264         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4265         change.
4266
4267 2005-10-06  Richard Henderson  <rth@redhat.com>
4268
4269         PR tree-opt/22237
4270         * tree-inline.c (declare_return_variable): Handle modify_dest not
4271         being a DECL.
4272
4273 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4274
4275         Fix PR tree-optimization/22488
4276         * tree-ssa-structalias.c (check_for_overlaps): New function.
4277         (create_variable_info_for): Use it.
4278
4279 2005-10-06  Richard Henderson  <rth@redhat.com>
4280
4281         PR debug/24070
4282         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4283         (dwarf2out_start_source_file): Print it.
4284
4285 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4286
4287         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4288
4289 2005-10-06  Richard Henderson  <rth@redhat.com>
4290
4291         PR 23706
4292         * mode-switching.c (optimize_mode_switching): Clear transp bit
4293         for block with incomming abnormal edges.
4294
4295         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4296         (fpscr_set_from_mem): Use them.
4297         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4298         (fpscr postinc splitters): Rewrite as peephole2+split.
4299
4300 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4301
4302         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4303         (eq<mode>_compare): Same.
4304
4305 2005-10-06  Richard Guenther  <rguenther@suse.de>
4306
4307         PR tree-optimization/24238
4308         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4309
4310 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4311
4312         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4313         here.  Use AC_PATH_PROG for environment variables instead of
4314         test -x.
4315         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4316         objdump also.
4317         * configure: Regenerated.
4318
4319 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4320
4321         PR target/23783
4322         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4323         then force it into a register.
4324         (call_value): Likewise.
4325
4326 2005-10-06  Richard Henderson  <rth@redhat.com>
4327
4328         PR 24049
4329         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4330         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4331         under pass_vectorize.
4332
4333 2005-10-05  Devang Patel  <dpatel@apple.com>
4334
4335         PR Debug/23205
4336         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4337         handling constants. Check NAMESPACE_DECL context for constants.
4338
4339 2005-10-05  Eric Christopher  <echristo@apple.com>
4340
4341         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4342
4343 2005-10-05  Richard Henderson  <rth@redhat.com>
4344
4345         PR 23714
4346         * tree-cfg.c (mark_array_ref_addressable_1): New.
4347         (mark_array_ref_addressable): New.
4348         * tree-flow.h (mark_array_ref_addressable): Declare.
4349         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4350
4351 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4352
4353         PR middle-end/20606
4354         PR middle-end/24069
4355         * reload.c (subst_reloads): When adding a REG_LABEL to a
4356         jump instruction, also update JUMP_LABEL.
4357
4358 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4359
4360         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4361         * bb-reorder.c (copy_bb_p): Use it.
4362         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4363
4364 2005-10-05  Richard Henderson  <rth@redhat.com>
4365
4366         PR target/23602
4367         * toplev.c (process_options): Warn about unsupported combinations
4368         of unwind tables and omit-frame-pointer.
4369         * config/i386/i386.c (override_options): Similarly.  Enable
4370         accumulate-outgoing-args if not explicitly disabled.
4371
4372 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4373
4374         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4375         Handle big endian vs. small endian.
4376         (vec_initv2sf): Handle big endian vs. small endian.
4377         (*vec_extractv2sf_1): Ditto.
4378
4379 2005-10-05  Dale Johannesen  <dalej@apple.com>
4380
4381         * convert.c (convert_to_real):  Don't convert
4382         (float)floor(double d) to floorf((float)d).
4383
4384 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4385
4386         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4387
4388 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4389
4390         PR tree-optimization/18587
4391         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4392         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4393         build_vuses): Change to VEC type.
4394         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4395         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4396         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4397         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4398         (get_name_decl): New.  Return DECL_UID of base variable.
4399         (operand_build_cmp): New.  qsort comparison routine.
4400         (operand_build_sort_virtual): New.  Sort virtual build vector.
4401         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4402         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4403         (FINALIZE_BASE): Use get_name_decl.
4404         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4405         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4406         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4407         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4408         direct VEC_* manipulations.
4409         (build_ssa_operands): Call operand_build_sort_virtual.
4410         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4411         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4412         with direct VEC_* manipulations.
4413         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4414         with direct VEC manipulations.
4415
4416 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4417
4418         PR tree-optimization/21419
4419         PR tree-optimization/24146
4420         PR tree-optimization/24151
4421
4422         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4423         (build_asm_expr): Call it if outputs are read-only.
4424         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4425
4426 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4427             Paolo Bonzini  <bonzini@gnu.org>
4428
4429         PR target/23809
4430
4431         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4432         enable the instructions and not just the built-ins.
4433         * doc/invoke.texi (x86 Options): Likewise.
4434
4435 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4436
4437         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4438
4439         * doc/invoke.texi (Option Summary): Correct spelling
4440         of -mmacosx-version-min.
4441
4442 2005-10-04  Devang Patel  <dpatel@apple.com>
4443
4444         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4445         real types.
4446
4447 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4448
4449         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4450         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4451
4452 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4453
4454         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4455         ("TE","tg"): New mode attributes.
4456         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4457         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4458         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4459         dword_mode and one for GPRmode.
4460
4461 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4462
4463         PR preprocessor/13726
4464         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4465         any comments passed in.
4466
4467 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4468
4469         * tree.c (annotate_with_file_line): Fix typo.
4470
4471 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4472
4473         PR ada/19382
4474         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4475         type used to access data in the inlined length == 1 case, use
4476         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4477         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4478
4479 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4480
4481         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4482         TARGET_SSE3 and only for TARGET_80387.
4483         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4484         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4485         Do not depend on TARGET_80387.
4486
4487 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4488
4489         * tree.c (last_annotated_node): Change type to location_t*.
4490         (annotate_with_file_line): Reflect the change of
4491         last_annotated_node type.
4492
4493 2005-10-04  Richard Guenther  <rguenther@suse.de>
4494
4495         PR c/23576
4496         * c-decl.c (grokdeclarator): Don't write to fields
4497         of error_mark_node.
4498
4499 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4500
4501         PR middle-end/23125
4502         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4503         register variables.
4504         * varasm.c (make_decl_rtl): If a register variable does not
4505         have a set user assmbler name, error out.
4506         Decode the asmspec is now name+1 bypassing '*'.
4507
4508 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4509
4510         PR tree-optimization/23049
4511         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4512         of a COND_EXPR is folded before calling fold on the whole rhs of a
4513         conditional assignment.
4514         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4515         document that a COND_EXPR may appear there.
4516
4517 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4518
4519         PR 23445
4520         * tree-vrp.c (extract_range_from_assert): If the new numeric
4521         range created out of the assertion contradicts the existing
4522         numeric range of the ASSERT_EXPR variable, make the new range
4523         varying.
4524
4525 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4526
4527         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4528         from T_REGS to FP register class.
4529
4530 2005-10-03  Richard Henderson  <rth@redhat.com>
4531
4532         PR 24135
4533         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4534         before creating a new one.
4535
4536 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4537
4538         * config/rs6000/t-aix43 (LDFLAGS): New.
4539         * config/rs6000/t-aix52 (LDFLAGS): New.
4540
4541 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4542
4543         * gimplify.c (find_single_pointer_decl_1): New static function.
4544         (find_single_pointer_decl): New static function.
4545         (internal_get_tmp_var): For a formal variable, set restrict base
4546         information if appropriate.
4547         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4548         return it.
4549         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4550         (DECL_GET_RESTRICT_BASE): Define.
4551         (SET_DECL_RESTRICT_BASE): Define.
4552         (decl_restrict_base_lookup): Declare.
4553         (decl_restrict_base_insert): Declare.
4554         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4555         * tree.c (restrict_base_for_decl): New static variable.
4556         (init_ttree): Initialize restrict_base_for_decl.
4557         (copy_node_stat): Copy restrict base information.
4558         (decl_restrict_base_lookup): New function.
4559         (decl_restrict_base_insert): New function.
4560         (print_restrict_base_statistics): New static function.
4561         (dump_tree_statistics): Call print_restrict_base_statistics.
4562
4563 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4564
4565         PR 24142
4566         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4567         case of anti-ranges.
4568
4569 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4570
4571         PR c/18851
4572         * c-typeck.c (tagged_tu_seen): Rename to ...
4573         (tagged_tu_seen_cache): this and add val field.
4574         (comptypes): Move functional to comptypes_internal
4575         and free tagged_tu_seen.
4576         (comptypes_internal): New function and call comptypes_internal
4577         instead of comptypes. Speed up by sibcalling
4578         tagged_types_tu_compatible_p.
4579         (alloc_tagged_tu_seen): New function
4580         (free_all_tagged_tu_seen_up_to): New function.
4581         (tagged_types_tu_compatible_p): Return the val of the seen two
4582         types.
4583         Add that the two types are the same to tagged_tu_seen_base
4584         if they are and call comptypes_internal instead of comptypes.
4585         <case UNION_TYPE>: Speed up common type where the fields are
4586         in the same order.
4587         (function_types_compatible_p): Call comptypes_internal instead of
4588         comptypes.
4589         (type_lists_compatible_p): Likewise.
4590         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4591
4592 2005-10-02  Matthias Klose  <doko@debian.org>
4593
4594         * doc/invoke.texi: Fix typo and speling error.
4595
4596 2005-10-01  Richard Henderson  <rth@redhat.com>
4597
4598         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4599
4600 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4601
4602         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4603         using --start-group and --end-group.
4604
4605 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4606
4607         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4608         FIXME note regarding quirky semantics.
4609
4610 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4611
4612         PR 24141
4613         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4614         non-null range as a last resort.
4615
4616 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4617             Diego Novillo  <dnovillo@redhat.com>
4618
4619         PR 23604
4620         * tree-vrp.c (extract_range_from_assert): For !=
4621         assertions, only build an anti-range if LIMIT is a
4622         single-valued range.
4623
4624 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4625
4626         * arm.md (movqi): On thumb when optimizing, handle loading from
4627         memory by describing this as taking a subreg of a zero-extended load
4628         into an SImode register.
4629         (movhi): Likewise.
4630
4631 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4632
4633         * reload1.c (merge_assigned_reloads): Do not change any
4634         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4635
4636 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4637
4638         * Makefile.in (LIPO_FOR_TARGET): Define.
4639         (STRIP_FOR_TARGET): Define.
4640
4641         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4642         before creating new ones.  Do symlinks before creating the actual
4643         targets.
4644
4645         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4646         to work out which multilibs are actually being built.
4647
4648 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4649
4650         * tree-vect-transform.c, config/ms1/ms1.md,
4651         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4652         Follow spelling conventions.
4653         * doc/invoke.texi, doc/md.texi: Fix typos.
4654
4655 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4656
4657         PR tree-optimization/21430
4658         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4659         use operands, and set stmt pointer if need be.
4660         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4661         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4662         present.
4663
4664 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4665
4666         PR middle-end/24053
4667         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4668
4669 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4670
4671         * optabs.c (expand_binop): Initialize first_pass_p.
4672
4673 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4674
4675         PR middle-end/24109
4676         * c-decl.c (c_write_global_declarations_1): If any
4677         wrapup_global_declaration_2 call returned true, restart the loop.
4678
4679 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4680
4681         Fix PR tree-optimization/24117
4682         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4683         before considering whether to use anyoffset.
4684
4685 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4686
4687         Revert this patch:
4688
4689         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4690
4691         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4692         to order operands.
4693         (swap_commutative_operands_with_target): New.
4694
4695 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4696
4697         PR c/21419
4698         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4699         read-only.
4700
4701 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4702
4703         PR tree-optimization/23911
4704         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4705         and IMAGPART_EXPR too.
4706
4707 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4708
4709         PR 17886
4710         * expmed.c (expand_shift): Move logic to reverse rotation
4711         direction when  rotating by constants ...
4712         * optabs.c (expand_binop): ... here.
4713         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4714         (ix86_rotrdi3): New pattern.
4715         (rotldi3): Handle 32-bit mode.
4716         (ix86_rotldi3): New pattern.
4717
4718 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4719
4720         PR target/24102
4721         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4722         check for numbers that need no bit twiddle.
4723
4724 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4725
4726         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4727         multilib to be built.
4728
4729         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4730         (stage1-start): Delete old libgcc and libunwind before moving
4731         anything into the stage directory.
4732         (stage2-start): Likewise.
4733         (stage3-start): Likewise.
4734         (stage4-start): Likewise.
4735         (stageprofile-start): Likewise.
4736         (stagefeedback-start): Likewise.
4737         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4738         header in tm_file and CPU-specific t-darwin in tmake_file.
4739         (i[34567]86-*-darwin*): Don't change tm_file.
4740         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4741         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4742         shared library stub for target OS version.
4743         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4744         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4745         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4746         (libgcc_s.%.dylib): New.
4747         (LIBGCC): Define.
4748         (install-darwin-libgcc-stubs): New.
4749         (INSTALL_LIBGCC): New append.
4750         * config/i386/darwin-libgcc.10.4.ver: New.
4751         * config/i386/darwin-libgcc.10.5.ver: New.
4752         * config/i386/t-darwin: New.
4753         * config/rs6000/darwin-libgcc.10.4.ver: New.
4754         * config/rs6000/darwin-libgcc.10.5.ver: New.
4755         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4756         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4757
4758 2005-09-28  Paul Brook  <paul@codesourcery.com>
4759
4760         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4761         denormals.
4762
4763 2005-09-28  Richard Guenther  <rguenther@suse.de>
4764
4765         PR tree-optimization/23853
4766         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4767         host_integerp to verify misalignment value.
4768
4769 2005-09-28  Richard Henderson  <rth@redhat.com>
4770
4771         * builtins.c (get_builtin_sync_mode): New.
4772         (expand_builtin_sync_operation): Pass in mode argument.
4773         (expand_builtin_compare_and_swap): Likewise.
4774         (expand_builtin_lock_test_and_set): Likewise.
4775         (expand_builtin_lock_release): Likewise.
4776         (expand_builtin): Update to match.
4777
4778 2005-09-28  Nick Clifton  <nickc@redhat.com>
4779
4780         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4781         formatting.  Add check to PLUS case to ensure that the offset is
4782         within an acceptable range.
4783
4784         * config/v850/v850.md (casesi): Disable the generation of the
4785         switch pattern as it is not being handled properly at the moment.
4786
4787         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4788         for when the high words are identical.
4789
4790 2005-09-27  Richard Henderson  <rth@redhat.com>
4791
4792         * pretty-print.c (pp_base_format): Fix typo for %>.
4793
4794 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4795             Devang Patel  <dpatel@apple.com>
4796
4797         PR tree-optimization/23625
4798         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4799         LABEL_EXPR, assertion check.
4800
4801 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4802
4803         * optabs.c (no_conflict_move_test): Check if a result of a
4804         to-be-moved insn would be clobbered by an originally
4805         preceding insn.
4806
4807 2005-09-27  Jeff Law  <law@redhat.com>
4808
4809         * passes.c (init_optimization_passes): Replace copy propagation
4810         passes immediately after DOM with phi-only copy propagation
4811         pases.  Add phi-only copy propagation pass after first DOM pass.
4812         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4813         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4814         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4815         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4816         to init_copy_prop.  Callers updated.
4817         (do_phi_only_copy_prop): New function.
4818         (pass_phi_only_copy_prop): New pass descriptor.
4819
4820 2005-09-27  Nick Clifton  <nickc@redhat.com>
4821
4822         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4823
4824 2005-09-26  Jason Merrill  <jason@redhat.com>
4825
4826         PR c++/13764
4827         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4828
4829         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4830
4831 2005-09-26  James E Wilson  <wilson@specifix.com>
4832
4833         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4834         copyright.  Add gcc copyright plus libgcc exception.
4835         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4836         copyright.
4837         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4838
4839 2005-09-26  Jeff Law  <law@redhat.com>
4840
4841         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4842         about when to iterate.
4843
4844 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4845
4846         PR target/23847
4847         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4848         for __complex__ double in -mcpu=G5 mode.
4849
4850 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4851
4852         PR tree-optimization/23942
4853         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4854         * tree-scalar-evolution.c: Include params.h.
4855         (t_bool): New enum.
4856         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4857         follow_ssa_edge_in_condition_phi_branch,
4858         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4859         Change return type to t_bool.  Use a parameter to limit the size of
4860         trees that are walked before stopping
4861         (analyze_evolution_in_loop): Initialize the limit to 0.
4862         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4863         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4864
4865 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4866
4867         PR middle-end/23831
4868         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4869         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4870
4871 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4872
4873         * combine.c (make_extraction): Check for valid use of subreg.
4874
4875 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4876
4877         PR target/24055
4878         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4879         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4880         ("fist<mode>2_with_temp"): Use only register operands.
4881
4882 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4883
4884         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4885         CALL_INSN_FUNCTION_USAGE.
4886
4887 2005-09-26  Richard Guenther  <rguenther@suse.de>
4888
4889         PR middle-end/15855
4890         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4891         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4892         (ldst_entry): Use the hashtable instead of list-walking.
4893         (find_rtx_in_ldst): Likewise.
4894         (free_ldst_entry): Free the hashtable.
4895         (compute_ld_motion_mems): Create the hashtable.
4896         (trim_ld_motion_mems): Remove entry from hashtable if
4897         removing it from list.
4898         (compute_store_table): Likewise^2.
4899         (store_motion): Free hashtable in case we did not see
4900         any stores.
4901
4902 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4903
4904         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4905         and arg1 if we are passing them to fold_build2.
4906
4907 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4908
4909         PR 23828
4910         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4911         a nested function.
4912
4913 2005-09-25  Richard Henderson  <rth@redhat.com>
4914
4915         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4916         SYMBOL_REF_TLS_MODEL to be correct.
4917
4918 2005-09-24  Richard Henderson  <rth@redhat.com>
4919
4920         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4921         end of function.  Reindent.
4922
4923 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4924
4925         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4926         NEGATE_EXPR/BIT_NOT_EXPR case.
4927
4928 2005-09-24  Richard Henderson  <rth@redhat.com>
4929
4930         * c-common.c (handle_mode_attribute): When not modifying in place,
4931         create subtypes for enumerations.
4932         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4933         * gimplify.c (create_tmp_from_val): Likewise.
4934
4935 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4936
4937         * config/i386/i386.md (*tls_global_dynamic_64,
4938         *tls_local_dynamic_base_64): Add missing mode to call.
4939         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4940
4941 2005-09-24  Jan Hubicka  <jh@suse.cz>
4942
4943         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4944         (cgraph_clone_node): Likewise.
4945         * cgraph.h (cgraph_clone_edge): Update prototype.
4946         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4947         duplicated prototypes; add updating argument.
4948         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4949         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4950         updating profile.
4951         (cgraph_mark_inline_edge): Likewise.
4952         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4953         (cgraph_flatten_node): Likewise.
4954         (cgraph_decide_recursive_inlining): Likewise.
4955         (cgraph_decide_inlining_of_small_function): Likewise.
4956         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4957
4958 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4959             Pete Steinmetz <steinmtz@us.ibm.com>
4960
4961         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4962         (rldic.): Set type to "compare".
4963         (rldicr.): Same.
4964         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4965         mfjmpr for MFCTR/MFLR.
4966         (movdf_hardfloat64): Same.
4967         (movdf_softfloat64): Same.  Correct order of store and move types.
4968         (movti_string): Set type to store_ux/load_ux.
4969         (load_multiple): Set type to load_ux.
4970         (store_multiple): Set type to store_ux.
4971         (movmemsi): Set type to store_ux.
4972         (output_cbranch direct_return): Set type to jmpreg.
4973         (stmw): Set type to store_ux.
4974         (lmw): Set type to load_ux.
4975         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4976         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4977         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4978         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4979         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4980         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4981         (rios1-fpstore): Increase latency to 3.
4982         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4983         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4984
4985 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4986             Andrew Pinski  <pinskia@physics.uc.edu>
4987
4988         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4989         operand2 constraint to "b".
4990         (sync_<fetchop_name>di_internal): Same.
4991         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4992         to "b".
4993         (sync_old_<fetchop_name>di_internal): Same.
4994         (sync_new_<fetchop_name>si_internal): Same.
4995         (sync_new_<fetchop_name>di_internal): Same.
4996
4997 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4998
4999         PR middle-end/23991
5000         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5001         case, define as macros.
5002
5003         PR rtl-optimization/23837
5004         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5005         clobber / clobber match between dest and p->first.
5006
5007         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5008         (no_conflict_move_test): Update comments.
5009
5010 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5011
5012         * doc/install.texi: Update URL for Jacks.
5013         * doc/sourcebuild.texi: Likewise.
5014
5015 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5016
5017         PR target/24007
5018         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5019         registers when choosing register preferences.
5020         (movdf_hardfloat64): Same.
5021
5022 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5023
5024         * expmed.c (expand_shift): Don't use the target of the rotate as
5025         target for the first expanded shift insn.
5026         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5027
5028 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5029
5030         PR tree-optimization/22438
5031         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5032         preserved iv rhs rewriting specially.
5033
5034 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5035
5036         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5037         estimate_only  is true.
5038         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5039         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5040         tree-ssa-structalias.c
5041         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5042         ref_contains_indirect_ref.
5043         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5044
5045 2005-09-21  DJ Delorie  <dj@redhat.com>
5046
5047         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5048         MASK_PTR_A0D0.
5049         (mn10300_return_in_memory): Support variable size types also.
5050         (mn10300_pass_by_reference): Likewise.
5051         (mn10300_function_value): New.
5052         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5053         (FUNCTION_OUTGOING_VALUE): Likewise.
5054         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5055         * doc/invoke.texi: Document it.
5056
5057 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5058
5059         PR target/22585
5060         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5061         force integer op1 into register for XFmode compares.
5062
5063 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5064
5065         PR middle-end/23971
5066         * expmed.c (alg_code): Add alg_impossible.
5067         (alg_hash_entry): Add cost.
5068         (synth_mult): Record alg_impossible in the hash table if
5069         multiplication by a given integer is impossble within the
5070         limit.  Speed up using alg_impossible.
5071
5072 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5073
5074         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5075         argument.  Allow and set any offset if needs_anyoffset is passed
5076         in.
5077         (get_constraint_for): Add argument here too.
5078         Pass it down.
5079         (do_structure_copy): Pass NULL to get_constraint_for.
5080         (handle_ptr_arith): Ditto.
5081         (find_func_aliases): Ditto.
5082
5083 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5084
5085         PR rtl-optimization/23898
5086         * output.h (get_attr_min_length): Declare.
5087         * final.c (get_attr_length_1): New function, broken out of:
5088         (get_attr_length).
5089         (get_attr_min_length): New function.
5090         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5091         (duplicate_computed_gotos): Likewise.
5092         * genattr.c (insn_min_length): Generate declaration.
5093         * genattrtab.c (min_fn, min_attr_value): New functions.
5094         (make_length_attrs): Generate insn_min_length.
5095
5096 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5097
5098         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5099
5100 2005-09-20  Richard Henderson  <rth@redhat.com>
5101
5102         PR tree-optimization/24059
5103         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5104         EXPAND_STACK_PARM.
5105
5106 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5107
5108         * c.opt (fextended-identifiers): New.
5109         * c-opts.c (c_common_handle_option): Handle
5110         -fextended-identifiers.
5111         * doc/cpp.texi: Update documentation of extended identifiers.
5112         * doc/cppopts.texi (-fextended-identifiers): Document.
5113
5114 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5115
5116         PR tree-optimization/23929
5117         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5118         if expr is NULL.
5119
5120         PR tree-optimization/23818
5121         * tree-stdarg.c (execute_optimize_stdarg): Call
5122         calculate_dominance_info.
5123
5124 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5125
5126         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5127         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5128         (compute_overlap_steps_for_affine_1_2): Use
5129         get_number_of_iters_for_loop.
5130         (analyze_subscript_affine_affine): Check whether difference is
5131         zero first.
5132         Use get_number_of_iters_for_loop.
5133         Check whether overlap occurs outside of bounds.
5134         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5135
5136 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5137
5138         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5139         base register if possible.
5140
5141 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5142
5143         PR tree-optimization/18463
5144         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5145         converting it directly is not possible.
5146         (chrec_convert_aggressive): New function.
5147         * tree-chrec.h (chrec_convert_aggressive): Declare.
5148         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5149         Fold chrec conversions aggressively if asked to.
5150         (instantiate_parameters): Modified because of changes in
5151         instantiate_parameters_1.
5152
5153 2005-09-19  Richard Henderson  <rth@redhat.com>
5154
5155         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5156         (reduc_splus_v2df): New.
5157
5158 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5159
5160         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5161         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5162
5163 2005-09-19  Richard Henderson  <rth@redhat.com>
5164
5165         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5166         vcondu<SSEMODE12>.
5167
5168 2005-09-19  Richard Henderson  <rth@redhat.com>
5169
5170         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5171         (ia64_expand_dot_prod_v8qi): New.
5172         * config/ia64/ia64-protos.h: Update.
5173         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5174         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5175         sdot_prodv8qi, sdot_prodv4hi): New.
5176         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5177
5178 2005-09-19  Richard Henderson  <rth@redhat.com>
5179
5180         PR 23941
5181         * real.c (exact_real_truncate): Return false if the format cannot
5182         represent the number as a normal.
5183
5184         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5185         for a memory source.
5186
5187 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5188
5189         * tree-ssa-operands.c (swap_tree_operands): Export.
5190         * tree.h (swap_tree_operands): Declare.
5191         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5192         Call swap_tree_operands.
5193
5194 2005-09-19  Richard Henderson  <rth@redhat.com>
5195
5196         * tree-flow.h (merge_alias_info): Declare.
5197         * tree-ssa-copy.c (merge_alias_info): Export.
5198         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5199         (vect_create_data_ref_ptr): Use create_iv directly.
5200         (vectorizable_load): Use correct types for integer constants.
5201         (vect_generate_tmps_on_preheader): Likewise.
5202         (vect_gen_niters_for_prolog_loop): Likewise.
5203
5204 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5205
5206         PR rtl-optimization/23943
5207         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5208
5209 2005-09-18  Jan Hubicka  <jh@suse.cz>
5210
5211         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5212
5213 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5214
5215         * varasm.c (output_constant): Do not abort on conversions to union
5216         types between different sizes.
5217
5218 2005-09-18  Richard Guenther  <rguenther@suse.de>
5219
5220         PR middle-end/23944
5221         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5222         fallback.
5223
5224 2005-09-18  Paul Brook  <paul@codesourcery.com>
5225
5226         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5227
5228 2005-09-17  Richard Henderson  <rth@redhat.com>
5229
5230         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5231         * tree-ssa-loop.c (pass_vect_dce): Remove.
5232         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5233         of pass_vectorize.
5234
5235 2005-09-17  Richard Henderson  <rth@redhat.com>
5236
5237         * tree-pass.h (pass_vect_dce): Declare.
5238         * passes.c (init_optimization_passes): Add it.
5239         * tree-flow.h (tree_ssa_dce): Declare.
5240         * tree-ssa-dce.c (tree_ssa_dce): Export.
5241         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5242         (gate_tree_vectorize): ... here.
5243         (pass_vect_dce): New.
5244
5245 2005-09-17  Jan Hubicka  <jh@suse.cz>
5246
5247         * except.c (struct eh_status): Turn region_array into vec.
5248         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5249         convert_from_eh_region_ranges, find_exception_handler_labels,
5250         current_function_has_exception_handlers, assign_filter_values,
5251         build_post_landing_pads, dw2_build_landing_pads,
5252         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5253         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5254         foreach_reachable_handler, can_throw_internal_1,
5255         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5256         region_array.
5257         (duplicate_eh_region_1): Update region_array.
5258         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5259
5260 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5261
5262         PR middle-end/22067
5263         * expmed.c (expand_mult): Substitute simple register for op0 when
5264         computing max_cost.
5265
5266 2005-09-17  Richard Henderson  <rth@redhat.com>
5267
5268         * expr.c (emit_move_via_integer): Add force argument, pass it on
5269         to emit_move_change_mode.  Update callers.
5270         (emit_move_complex): Pass true to new force argument.
5271         * function.c (expand_function_end): Move expand_eh_return call
5272         earlier.  Merge sub-word complex values into a pseudo before
5273         copying to the return hard register.
5274
5275 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5276
5277         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5278         between different sizes.
5279
5280 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5281
5282         PR 23903
5283
5284         * passes.c (init_optimization_passes): Register dump files for
5285         IPA passes first.
5286
5287 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5288
5289         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5290         * config/s390/s390.c (s390_overlap_p): New function.
5291         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5292         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5293         condition.
5294
5295 2005-09-16  Richard Guenther  <rguenther@suse.de>
5296
5297         * ipa-pure-const.c (static_execute): Free auxiliar information.
5298         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5299         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5300
5301 2005-09-15  DJ Delorie  <dj@redhat.com>
5302
5303         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5304
5305 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5306
5307         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5308         to order operands.
5309         (swap_commutative_operands_with_target): New.
5310
5311 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5312
5313         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5314         parameter.
5315         Update callers.
5316         (estimate_iters_using_array): New function.
5317         * tree-data-ref.h (estimate_iters_using_array): Prototype
5318         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5319         Use estimate_iters_using_array instead of analyze_array.
5320
5321 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5322
5323         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5324         as addressable.
5325
5326 2005-09-15  Michael Matz  <matz@suse.de>
5327
5328         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5329
5330 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5331
5332         PR tree-optimization/23835
5333         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5334         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5335
5336 2005-09-14  Richard Henderson  <rth@redhat.com>
5337
5338         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5339         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5340
5341 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5342
5343         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5344         in the ARRAY_TYPE case.
5345
5346 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5347
5348         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5349
5350 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5351
5352         PR middle-end/22480
5353         * tree-vect-transform.c (vectorizable_operation): Return false for
5354         scalar shift operations and for vector shift operations with
5355         non-invariant shift arguments.  Use scalar tree operand op1 as
5356         a shift operand when vector shift insn pattern uses scalar shift
5357         operand.
5358         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5359
5360 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5361
5362         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5363         value if it has side-effects.
5364
5365 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5366
5367         PR target/22068
5368         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5369
5370 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5371
5372         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5373         passed as NAME as if it were label at start of function code.
5374
5375 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5376
5377         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5378         the constraints.
5379
5380 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5381
5382         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5383         as early clobber.  Rewrite so the PIC register is not implicitly used.
5384
5385 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5386
5387         * tree.c (annotate_with_file_line): Compare line numbers before
5388         file names.
5389
5390 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5391
5392         PR target/23816
5393         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5394         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5395
5396 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5397
5398         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5399         than a HOST_WIDEST_INT to gen_doloop_begin.
5400
5401 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5402
5403         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5404
5405 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5406
5407         PR tree-optimize/23817
5408         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5409
5410 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5411
5412         PR target/23774
5413         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5414         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5415         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5416         (restore_stack_nonlocal): Likewise.
5417         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5418
5419 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5420
5421         PR g++/7874
5422         * c.opt (ffriend-injection): New C++ option.
5423         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5424         (C++ Dialect Options): Document -ffriend-injection.
5425
5426 2005-09-12  Josh Conner  <jconner@apple.com>
5427
5428         PR middle-end/23237
5429         * ipa-reference.c (static_execute): Don't mark variables in
5430         named sections TREE_READONLY.
5431
5432 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5433
5434         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5435         stack_tie.
5436
5437 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5438
5439         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5440         V_MUST_DEF instead of just the first_use_p.
5441         Don't mark the virtual variables for renaming on the statement which
5442         is being removed.
5443         (pass_dse): Remove TODO_update_ssa.
5444
5445 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5446
5447         PR middle-end/23290
5448         * stor-layout.c (compute_record_mode): For records with a single
5449         field, actually check the field's mode size against the type size.
5450
5451         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5452         registers for TARGET_SHMEDIA.
5453         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5454         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5455         of GENERAL_REGS and FP_REGS.
5456
5457 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5458
5459         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5460
5461 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5462
5463         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5464         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5465         are omitted.  Exclude stack_tie insn too.
5466
5467 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5468
5469         PR rtl-optimization/23098
5470         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5471         0.0f is easy.
5472         * config/rs6000/rs6000.md (movdf splitter): Use
5473         const_double_operand predicate for TARGET_POWERPC64.
5474         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5475         SYMBOL_REF method to ABI_V4.
5476
5477         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5478         replace_equiv_address.
5479         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5480         rs6000_sr_alias_set and MEM_NOTRAP.
5481         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5482
5483 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5484
5485         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5486         handle CALL_EXPR again.
5487
5488 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5489
5490         * arm/predicates.md (alignable_memory_operand): Delete.
5491
5492 2005-09-10  Richard Henderson  <rth@redhat.com>
5493
5494         PR debug/23806
5495         * dbxout.c (dbxout_expand_expr): New.
5496         (dbxout_symbol): Use it.
5497
5498 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5499
5500         * arm.c (arm_gen_rotated_half_load): Delete.
5501         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5502         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5503         (thumb_set_return_address): Likewise.
5504         (thumb_load_double_from_address): Use adjust_address.
5505         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5506         (extendhsisi2_mem, movhi_bytes): Use change_address.
5507         (movhi): Use widen_memory_access.
5508         (reload_out_df): Use replace_equiv_address.
5509         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5510
5511 2005-09-09  Richard Henderson  <rth@redhat.com>
5512
5513         PR debug/20998
5514         * dbxout.c: Include expr.h.
5515         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5516         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5517         * Makefile.in (dbxout.o): Add EXPR_H.
5518
5519 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5520
5521         PR tree-optimization/23509
5522         * tree-cfg.c (replace_uses_by): Use replace_exp.
5523         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5524         pointers have name_mem_tag or type_mem_tag set.
5525
5526 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5527
5528         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5529         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5530         of wrongly accessing operands.
5531
5532 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5533
5534         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5535         * tree-chrec.c: Include tree-scalar-evolution.h.
5536         (chrec_convert): Instantiate the base and step before calling
5537         scev_probably_wraps_p that would fail on parametric evolutions.
5538         Collect all the fails into a single section failed_to_convert,
5539         print a diagnostic, and return chrec_dont_know instead of calling
5540         fold_convert.
5541         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5542         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5543         phi nodes.
5544         (scev_const_prop): Don't replace the definition of a loop closed ssa
5545         phi node by itself, or by another loop closed ssa phi node.
5546         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5547         that base and step are defined.
5548
5549 2005-09-09  Richard Guenther  <rguenther@suse.de>
5550
5551         PR c++/23624
5552         * fold-const.c (fold_ternary): Check truth_value_p before
5553         calling invert_truthvalue.
5554
5555 2005-09-09  Nick Clifton  <nickc@redhat.com>
5556
5557         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5558         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5559         dimension of these arrays.
5560         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5561         these arrays.
5562         * longlong.h: Only provide a prototype for the __clz_tab[] array
5563         if this header has not been included from libgcc2.h.
5564         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5565         defining own types.
5566         Provide prototypes for exported functions.
5567         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5568         libgcc2.c.
5569
5570 2005-09-08  Josh Conner  <jconner@apple.com>
5571
5572         PR c++/21135
5573         PR c++/23180
5574         * expr.c (expand_expr_addr_expr_1): Don't invoke
5575         expand_simple_binop for EXPAND_INITIALIZER.
5576
5577 2005-09-08  Richard Henderson  <rth@redhat.com>
5578
5579         PR debug/23190
5580         * toplev.c (wrapup_global_declaration_1): Split out ...
5581         (wrapup_global_declaration_2): ... from ...
5582         (wrapup_global_declarations): ... here.  Return bool.
5583         (check_global_declaration_1): Split out ...
5584         (check_global_declarations): from here.
5585         (emit_debug_global_declarations): New.
5586         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5587         check_global_declaration_1, emit_debug_global_declarations): Declare.
5588         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5589         of decls.  Call wrapup_global_declaration_1,
5590         wrapup_global_declaration_2, check_global_declaration_1 directly.
5591         (c_write_global_declarations_2): New.
5592         (ext_block): New.
5593         (c_write_global_declarations): Call c_write_global_declarations_2.
5594         * langhooks.c (write_global_declarations): Call
5595         emit_debug_global_declarations.
5596
5597         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5598         remove decls that have DECL_RTL_SET_P.
5599         * passes.c (rest_of_decl_compilation): Invoke
5600         cgraph_varpool_finalize_decl for all but functions.
5601
5602 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5603
5604         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5605         the result of a conversion if the new min and max cannot be compared.
5606
5607 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5608
5609         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5610         (override_options): Setting s390_sr_alias_set removed.
5611         (save_fpr, save_gprs): Set alias set to vararg or frame.
5612         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5613         s390_sr_alias_set with get_frame_alias_set ().
5614         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5615         get_varargs_alias_set ().
5616
5617 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5618
5619         PR objc/20574
5620         PR objc/19324
5621         * c-parser.c (c_parser_objc_method_definition): If the next
5622         token is not "{", error out and don't start the function.
5623
5624 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5625
5626         * tree-vrp.c (extract_range_from_expr): Move the check for non
5627         nullness after the check for gimple invariant.
5628
5629 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5630
5631         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5632
5633 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5634
5635         PR target/23747
5636         * config/m32r.md (movmemsi_internal): Canonicalize order of
5637         operands in PLUS component of template.
5638
5639 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5640
5641         * reload1.c (fixup_eh_region_note): Remove assertion.
5642         (fixup_abnormal_edges): Reverted removal of call to
5643         find_many_sub_basic_blocks made on 2005-08-31.
5644
5645 2005-09-07  Richard Henderson  <rth@redhat.com>
5646
5647         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5648         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5649         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5650         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5651         rearrange for better packing.
5652         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5653         (lookup_cfa_1): Remove inline marker.
5654         (cfa_equal_p): Split out of ...
5655         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5656         (build_cfa_loc): Handle !cfa->indirect.
5657         (frame_pointer_cfa_offset): New.
5658         (dbx_reg_number): Assert register elimination performed; do
5659         leaf register remapping.
5660         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5661         (eliminate_reg_to_offset): New.
5662         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5663         for verifiably local stack frame addresses; re-base to CFA.
5664         (mem_loc_descriptor): Remove can_use_fbreg argument.
5665         (concat_loc_descriptor, loc_descriptor): Likewise.
5666         (containing_function_has_frame_base): Remove.
5667         (rtl_for_decl_location): Don't do register elimination or
5668         leaf register remapping here.
5669         (secname_for_decl): Split out from ..
5670         (add_location_or_const_value_attribute): ... here.
5671         (convert_cfa_to_loc_list): New.
5672         (compute_frame_pointer_to_cfa_displacement): New.
5673         (gen_subprogram_die): Use them.
5674         * tree.h (frame_base_decl): Remove.
5675         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5676         (prologue_stack_adjust): Remove.
5677         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5678         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5679         (set_frame_base_location): Remove.
5680         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5681         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5682         (vt_add_function_parameters): Don't eliminate_regs.
5683         (vt_initialize): Don't create frame_base_decl.
5684
5685 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5686
5687         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5688         version of GNU binutils for 4.x and later.
5689
5690 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5691
5692         * ggc-page.c (ggc_push_context): Remove.
5693         (ggc_pop_context): Likewise.
5694         * ggc.h (ggc_push_context): Remove.
5695         (ggc_pop_context): Likewise.
5696
5697 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5698
5699         PR target/8973
5700         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5701         returning from an interrupt handler.
5702
5703 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5704
5705         PR target/8972
5706         * config/arc/arc.c (output_shift): Add check for loop count when
5707         optimizing.
5708
5709 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5710
5711         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5712         form manually.
5713         (abs_replacement): Likewise.
5714         (pass_phiopt): Remove TODO_update_ssa.
5715
5716 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5717
5718         PR c/23075
5719         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5720         if "return with no value, in function returning non-void" warning
5721         has been issued.
5722         * tree-cfg.c (execute_warn_function_return): Don't look at
5723         RETURN_EXPRs with TREE_NO_WARNING set.
5724
5725         PR target/22362
5726         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5727         for internal functions doesn't use registers used by global registers
5728         variables.  Use fewer register parameters if there are global register
5729         variables.
5730
5731 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5732             Eric Botcazou  <ebotcazou@adacore.com>
5733
5734         PR middle-end/14997
5735         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5736         when we would be extracting outside its bit span (bitpos+bitsize
5737         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5738         Ada unchecked conversions.
5739
5740 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5741
5742         * tree-ssa-pre.c (try_look_through_load): New function.
5743         (compute_avail): Use it to try to look through loads for some
5744         more useful expressions.
5745
5746 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5747
5748         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5749         condition for detecting cases like (a&a) and (a^a).
5750
5751 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5752
5753         * common.opt: Add option ftree-vect-loop-version.
5754         * params.def: Add --param vect-max-version-checks.
5755         * doc/invoke.texi: Document ftree-vect-loop-version and
5756         --param vect-max-version-checks.
5757         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5758         may_misalign_stmts and defines for accessors.
5759         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5760         LOOP_VINFO_MAY_MISALIGN_STMTS.
5761         (destroy_loop_vec_info): VEC_free for
5762         LOOP_VINFO_MAY_MISALIGN_STMTS.
5763         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5764         Update documentation.
5765         (vect_update_misalignment_for_peel): New.
5766         (vect_enhance_data_refs_alignment): Update to choose loop
5767         peeling or loop versioning if appropriate for the (potentially)
5768         unaligned data references in the loop.
5769         (vect_analyze_data_refs_alignment): Remove call to
5770         vect_enhance_data_refs_alignment so the checks can be done
5771         earlier.
5772         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5773         and move up call to vect_analyze_data_refs_alignment.
5774         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5775         (vect_transform_loop): Add call to loop_version.
5776
5777 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5778
5779         PR rtl-optimization/23098
5780         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5781         * simplify-rtx.c (constant_pool_reference_p): New function.
5782         * rtl.h (constant_pool_reference_p): New prototype.
5783         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5784         constant_pool_reference_p in condition and
5785         avoid_constant_pool_reference in preparation statements.
5786
5787 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5788
5789         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5790         STRICT_LOW_PART SETs.
5791
5792 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5793
5794         PR middle-end/21460
5795         * except.c (sjlj_emit_function_enter): Find the function begin
5796         note even when it's not in first basic block.
5797
5798 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5799
5800         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5801         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5802         * aclocal.m4: Regenerate.
5803
5804 2005-09-05  DJ Delorie  <dj@redhat.com>
5805
5806         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5807         of macro.
5808
5809 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5810
5811         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5812         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5813         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5814         Follow spelling conventions.
5815         * doc/invoke.texi: Follow spelling conventions.
5816
5817 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5818
5819         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5820         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5821         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5822
5823 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5824
5825         PR target/23683
5826         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5827         (output_stack_adjust): Use gen_tmp_stack_mem.
5828         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5829         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5830         (sh_get_pr_initial_val): Likewise.
5831         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5832         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5833         * sh.md (divsi_inv_m0): Use gen_const_mem.
5834         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5835         (movdf_i4+1): Use gen_tmp_stack_mem.
5836         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5837         (fpu_switch+2): Likewise.
5838         (movv4sf_i, movv16sf_i): Use adjust_address.
5839         (symGOT_load): Set MEM_NOTRAP_P bit.
5840
5841 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5842
5843         PR target/23721
5844         * pa.c (emit_move_sequence): Fix typo in last change.
5845
5846 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5847
5848         PR rtl-optimization/23454
5849         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5850         is true.
5851
5852 2005-09-03  Richard Henderson  <rth@redhat.com>
5853             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5854
5855         PR middle-end/23671
5856         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5857         gen_rtx_MEM.
5858
5859 2005-09-02  Nicolas Pitre <nico@cam.org>
5860
5861         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5862         to bit_count to 32 bits.
5863
5864 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5865
5866         PR c++/23167
5867         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5868         generating synthetic loads from volatile lvalues.
5869
5870 005-09-02  Nick Clifton  <nickc@redhat.com>
5871
5872         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5873         __ctzhi2, __clzhi2): New functions.
5874
5875 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5876
5877         PR middle-end/23547
5878         * tree-nested.c (struct var_map_elt): Mark with GTY.
5879         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5880         var_map_elt.
5881         (lookup_field_for_decl): Allocate new element in GC memory.
5882         (lookup_tramp_for_decl): Likewise.
5883         (convert_nl_goto_reference): Likewise
5884         (create_nesting_tree): Allocate info in GC memory. Likewise for
5885         info->var_map.
5886         (free_nesting_tree): Free with ggc_free instead of free.
5887         (root): New static variable.
5888         (lower_nested_functions): Remove root as local variable.  And zero out
5889         root at the end of the function.
5890
5891 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5892
5893         PR rtl-optimization/20365
5894         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5895         to short.  New member ix.
5896         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5897         (simplify_plus_minus): Initialize ix members before calling qsort.
5898
5899 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5900
5901         PR tree-optimization/23626
5902         * tree-cfg.c (replace_uses_by): Clean up eh info.
5903
5904 2005-09-01  DJ Delorie  <dj@redhat.com>
5905
5906         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5907         fprintf.
5908
5909 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5910
5911         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5912         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5913         gen_rtx_MEM.
5914
5915 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5916
5917         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5918         do not issue warning for a variable definition following
5919         a declaration.
5920
5921 2005-09-01  Richard Henderson  <rth@redhat.com>
5922
5923         PR 23668
5924         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5925         conversion to CONST_VECTOR.
5926
5927 2005-09-01  Richard Henderson  <rth@redhat.com>
5928
5929         PR 23676
5930         * reload1.c (reload_as_needed): Check !CALL_P before calling
5931         fixup_eh_region_note.
5932         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5933
5934 2005-09-01  DJ Delorie  <dj@redhat.com>
5935
5936         * varasm.c (output_constant): Let the target resolve
5937         conversions of addresses to non-default pointer sizes.
5938
5939 2005-09-01  Nicolas Pitre <nico@cam.org>
5940
5941         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5942         to alow matching ARM pre-indexed addressing mode.
5943         (arm_override_options): Remove now irrelevant comment.
5944
5945 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5946
5947         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5948         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5949         * config/i386/vxworks.h:  Likewise.
5950         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5951         * config/i386/vxworksae.h:  Likewise.
5952
5953 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5954
5955         PR tree-optimization/23410
5956         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5957         sequence is not wrapping during the first step.
5958
5959 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5960
5961         PR debug/7241
5962         * dwarf2out.c (base_type_die): Compare char_type_node with
5963         TYPE_MAIN_VARIANT (type), not type.
5964
5965 2005-09-01  Richard Guenther  <rguenther@suse.de>
5966
5967         PR tree-optimization/15366
5968         * common.opt: Add -finline-functions-called-once.
5969         Put -fearly-inlining in alphabetically ordered place.
5970         * doc/invoke.texi: Document new option.
5971         * ipa-inline.c (cgraph_decide_inlining): Honour
5972         flag_inline_functions_called_once.
5973
5974 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5975
5976         PR rtl-optimization/23478
5977         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5978         (alloc_qty): Initialize it.
5979         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5980         (combine_regs): Combine also n_throwing_calls_crossed fields.
5981         (find_free_reg): Don't attempt to caller-save pseudos crossing
5982         calls that might throw.
5983         * global.c (struct allocno): Add throwing_calls_crossed field.
5984         (global_alloc): Revert 2005-08-22 change.  Initialize
5985         throwing_calls_crossed.
5986         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5987         might throw.
5988
5989 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5990
5991         PR target/23649
5992         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5993         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5994         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5995         (and64_2_operand): Tweak to use predicate.
5996         (and_operand): Adjust for mask_operand changes.
5997         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5998         (print_operand): Likewise.
5999         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6000         (mask64_1or2_operand): Delete.
6001         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6002         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6003         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6004         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6005         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6006         (rotldi3_internal4): Likewise.
6007         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6008         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6009         (ashldi3_internal7): Likewise.
6010         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6011         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6012         (anddi3 split): Don't match mask64_operand.
6013         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6014         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6015         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6016         't' splitter predicate.
6017         (movdi_internal64 + 2): Revert 2005-06-11 change.
6018
6019 2005-08-31  DJ Delorie  <dj@redhat.com>
6020
6021         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6022         (m32c_asm_integer): Add support for 32 bit pointers.
6023
6024 2005-08-31  Richard Henderson  <rth@redhat.com>
6025
6026         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6027         component-like references for setting MEM_NOTRAP_P.
6028
6029         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6030         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6031
6032 2005-08-31  Richard Henderson  <rth@redhat.com>
6033
6034         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6035         into a pseudo before applying gen_lowpart.
6036
6037 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6038
6039         * doc/install.texi (Specific): Update cctools version required
6040         for full functionality.
6041         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6042         linkers as -macosx_version_min.
6043
6044 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6045
6046         PR target/21255
6047         * sh.c (print_operand, %R and %S): Add handling of floating point
6048         registers, memory, constants and invalid operands.
6049
6050 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6051
6052         * ipa-pure-const.c: Change dump name.
6053
6054 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6055
6056         PR target/23570
6057         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6058         to "reg_or_0_operand".
6059         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6060
6061 2005-08-31  Dale Johannesen  <dalej@apple.com>
6062
6063         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6064         loops that count down.
6065
6066 2005-08-31  Richard Henderson  <rth@redhat.com>
6067
6068         PR rtl-opt/23601
6069         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6070         (fixup_eh_region_note): New.
6071         (reload_as_needed): Call it.
6072         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6073         don't call find_many_sub_basic_blocks; call verify_flow_info.
6074         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6075         (keep_stack_depressed): Likewise.
6076         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6077
6078 2005-08-31  Richard Henderson  <rth@redhat.com>
6079
6080         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6081         fp return matching.
6082
6083 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6084
6085         * expr.c (expand_expr_real_1): Compare size of address
6086         mode to target's address mode size in deciding expansion of
6087         the constant address.
6088
6089 2005-08-31  Richard Guenther  <rguenther@suse.de>
6090
6091         PR middle-end/23477
6092         * expr.c (all_zeros_p): New function.
6093         (expand_expr_real_1): Handle the case of an all-zero
6094         non-addressable constructor separately.
6095
6096 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6097
6098         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6099         arguments, adjust all callers.
6100         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6101
6102 2005-08-30  Richard Henderson  <rth@redhat.com>
6103
6104         PR target/23630
6105         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6106         whenever the mode sizes match.
6107
6108 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6109
6110         * calls.c (load_register_parameters): Fix comment typo.
6111         * expr.c (emit_push_insn): Comment formatting.
6112
6113 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6114
6115         * config/i386/x-cygwin (host-cygwin): Change dependency from
6116         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6117
6118 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6119
6120         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6121         parts of 'vals'.
6122
6123 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6124
6125         PR middle-end/23408
6126         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6127         call to ggc_collect.
6128
6129 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6130
6131         PR bootstrap/21268
6132         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6133         beginning.  Remove $(INCLUDES) from all the rules, if following
6134         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6135
6136 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6137
6138         PR middle-end/23484
6139         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6140         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6141         not constant, but maxlen is, don't set len to maxlen, rather
6142         set maxlen to len if len is a constant.
6143
6144 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6145
6146         PR tree-optimization/23475
6147         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6148         and counts.
6149
6150 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6151
6152         Fix PR middle-end/22455
6153
6154         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6155         Checksum only the parts of the tree that exist for the tree code.
6156
6157 2005-08-28  Dale Johannesen  <dalej@apple.com>
6158
6159         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6160
6161 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6162
6163         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6164
6165 2005-08-28  Richard Henderson  <rth@redhat.com>
6166
6167         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6168         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6169         of char_type_node.
6170
6171 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6172
6173         PR ada/23593
6174         * builtins.c (get_memory_rtx): Don't strip nops
6175         in between COMPONENT_REFs.
6176
6177 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6178
6179         PR middle-end/23463
6180         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6181         types.
6182         (gimplify_modify_expr): Check for zero sized types and gimplify the
6183         rhs and lhs as statements.
6184
6185 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6186
6187         PR libgcj/23508
6188         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6189         state for return address column of signal frames.
6190
6191 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6192
6193         PR target/23539
6194         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6195         bytes >= 2 not bytes == 2.
6196         (expand_block_move): Same.
6197
6198 2005-08-27  Richard Guenther  <rguenther@suse.de>
6199
6200         PR target/23575
6201         * config/i386/sse.md (sse2_movsd): Add missing closing
6202         braces.
6203
6204 2005-08-27  Paul Brook  <paul@codesourcery.com>
6205
6206         * genrecog.c (enum decision_type): Add DT_num_insns.
6207         (struct decision_test): Add u.num_insns.
6208         (add_to_sequence): Add DT_num_insns test.
6209         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6210         (write_cond, debug_decision_2): Ditto.
6211         (change_state): Assume peep2_next_insn never fails.
6212         Remove "afterward" argument.
6213         (write afterward, write_tree): Update to match.
6214         * recog.c (peep2_current_count): New variable.
6215         (peep2_next_insn): Check it.
6216         (peephole2_optimize): Set peep2_current_count.
6217         * recog.h (peep2_current_count): Declare.
6218
6219 2005-08-26  Josh Conner  <jconner@apple.com>
6220
6221         PR middle-end/23584
6222         * ipa-pure-const.c (check_tree): Check for volatile-ness
6223         when considering a dereference.
6224
6225 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6226
6227         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6228
6229 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6230
6231         PR rtl-optimization/23561
6232         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6233         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6234         at most LEN bytes long memory fits into the field.
6235         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6236         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6237         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6238
6239 2005-08-26  Richard Henderson  <rth@redhat.com>
6240
6241         PR rtl-opt/23560
6242         * loop.c (biased_biv_may_wrap_p): New.
6243         (maybe_eliminate_biv_1): Use it to suppress non-equality
6244         comparison transformations.  Delete disabled code.
6245
6246 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6247
6248         * combine.c (make_extraction): Avoid reference outside object.
6249
6250 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6251
6252         * stor-layout.c (finalize_type_size): Restore behaviour for
6253         non-aggregate types to the status quo ante of the patch for
6254         pr 23467.  Document why it matters.
6255
6256 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6257
6258         PR c/23506
6259         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6260         array by one element, initialize the BT_LAST element with NULL.
6261
6262 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6263
6264         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6265         optimizing for size.
6266         (plus_eqsi): Same.
6267         (compare_plus_eqsi): Same.
6268         (plus_eqsi_compare): Same.
6269         (neg_eq0<mode>): Same.
6270         (neg_eq<mode>): Same.
6271
6272         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6273         PROCESSOR_POWER4.
6274
6275 2005-08-26  Nick Clifton  <nickc@redhat.com>
6276
6277         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6278         TARGET_EP is not defined.
6279         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6280         TARGET_EP is enabled.
6281         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6282         * config/v850/v850.md (save_all_interrupt): Only use the EP
6283         register if TARGET_EP is defined.
6284         (restore_all_interrupt): Likewise.
6285         * config/v850/lib1funcs.asm: Update functions so that the EP
6286         register is only used if __EP__ is defined.
6287
6288 2005-08-26  David Ung  <davidu@mips.com>
6289
6290         * config/mips/mips.c (mips_expand_prologue): Handle case when
6291         generating for MIPS16 and the outgoing argument area is more than
6292         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6293         add instruction.
6294
6295 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6296
6297         * config/crx/crx.md: Make doloop_end pattern usage controllable
6298         via mloop-nesting=<max-nesting> command line switch. Make sure
6299         the combiner cannot use doloop_end_<mode> in an illegal way.
6300         * config/crx/crx.c: Use regs up to r6 for argument passing.
6301         Refine crx_address_cost (non cst4 displacements are expensive).
6302         * config/crx/crx.opt: Add switch for mloop-nesting=.
6303
6304 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6305
6306         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6307         (UNSPEC_MVST): New constant.
6308
6309 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6310
6311         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6312         Reject operands containing eliminable registers.
6313         * testsuite/gcc.dg/20050825-1.c: New testcase.
6314
6315 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6316             Jan Hubicka  <jh@suse.cz>
6317
6318         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6319
6320 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6321
6322         PR tree-optimization/23546
6323         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6324         and REAL_CST nodes.
6325
6326 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6327
6328         * params.def (PARAM_MIN_SPEC_PROB): New.
6329         * sched-rgn.c (MIN_PROBABILITY): Delete.
6330         (compute_trg_info): Convert to PARAM_VALUE.
6331         * doc/invoke.texi (param): Document min-spec-prob.
6332
6333 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6334
6335         * config/darwin.h: define __PIC__
6336         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6337         TARGET_OS_CPP_BUILTINS macro.
6338
6339 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6340
6341         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6342         yesterday.
6343
6344 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6345
6346         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6347         to duplicate_block.
6348         * cfghooks.c (duplicate_block): Added position where to place
6349         new block as argument.
6350         * cfghooks.h (duplicate_block): Declaration changed.
6351         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6352         duplicate_block.
6353         * cfglayout.h (copy_bbs): Declaration changed.
6354         * cfgloop.h (loop_version): Declaration changed.
6355         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6356         position to copy_bbs.
6357         (loop_version): Pass position to duplicate_loop_to_header_edge.
6358         Add place_after argument and position new blocks according to
6359         it.
6360         * modulo-sched.c (sms_schedule): Pass place_after argument
6361         to loop_version.
6362         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6363         * tree-cfg.c (split_edge_bb_loc): New function.
6364         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6365         to determine position of new blocks.
6366         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6367         to loop_version.
6368         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6369         argument to duplicate_block.
6370         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6371         Pass position to copy_bbs.
6372
6373 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6374
6375         * fold-const.c (ptr_difference_const): Use
6376         cst_and_fits_in_hwi instead of host_integerp.
6377
6378 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6379
6380         * config/darwin.c (gen_pic_offset): New.
6381         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6382         Use it.
6383
6384 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6385
6386         PR tree-optimization/23486
6387         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6388
6389 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6390
6391         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6392         remove use_collect2.
6393         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6394
6395         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6396         configuration files to override the default value.
6397
6398         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6399         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6400         * config/vx-common.h:  New file, split out from...
6401         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6402         * config/vxworksae.h:  New file, for VxWorks AE.
6403         * config/vxworks.opt:  New file.
6404         * config/vxlib.c:  Update for VxWorks 6.
6405
6406         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6407         other MULTILIB_* variables appropriately.
6408         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6409         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6410         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6411         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6412
6413 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6414
6415         PR target/20799
6416         * config/darwin.c (machopic_select_section): Remove the hack to
6417         mark "::operator new" and "::operator delete" for coalescing
6418         even though they are not weak.
6419
6420 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6421
6422         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6423         * configure: Regenerate.
6424
6425 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6426
6427         PR middle-end/23517
6428         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6429         between vectors.
6430         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6431         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6432         Likewise.
6433
6434 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6435
6436         * config/rs6000/predicates.md (equality_operator): New.
6437         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6438         comparison with a large constant.
6439
6440 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6441
6442         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6443
6444 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6445
6446         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6447         registers is even, and we have a hardware double precision fp,
6448         align the buffer.
6449         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6450         size of current argument when checking if argument was passed in
6451         registers.
6452
6453         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6454
6455         PR middle-end/23467
6456         * stor-layout.c (finalize_type_size): Dont override
6457         existing alignment with a smaller alignment from the mode.
6458
6459 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6460
6461         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6462         * lambda.h (lambda_vector_lexico_pos): ... here.
6463         * tree-data-ref.c (build_classic_dist_vector): Return false when
6464         the distance vector is lexicographically negative.
6465
6466 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6467
6468         PR tree-optimization/23511
6469         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6470         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6471
6472 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6473
6474         PR tree-optimization/22043
6475         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6476         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6477         If ALLOW_FLEXARR, handle types ending with flexible array member.
6478         Pass false as second argument to recursive count_type_elements calls.
6479         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6480         argument to count_type_elements call.
6481         * tree-sra.c (decide_block_copy): Likewise.
6482         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6483         for a constant-sized object, set cleared as well.  Pass true as
6484         second argument to count_type_elements call.
6485
6486 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6487
6488         PR target/21571
6489         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6490         from legitimate_small_data_p, and make global.  Update use.
6491         Remove forward declaration.
6492         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6493         Declare.
6494         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6495
6496 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6497
6498         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6499         of scratch intermediates.
6500         (eq<mode>_compare): Same.
6501         (neg_eq0<mode>): New.
6502         (neg_eq<mode>): Convert to define_insn_and_split.
6503
6504 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6505
6506         PR target/23070
6507         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6508         stdarg functions, set/clear the fp marker even when no variable
6509         args are passed.
6510         * config/rs6000/sysv4.opt (mprototype): Describe.
6511
6512 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6513
6514         PR rtl-optimization/23478
6515         * regs.h (reg_info): Add throw_calls_crossed.
6516         (REG_N_THROWING_CALLS_CROSSED): Define.
6517         * flow.c (allocate_reg_life_data): Initialize
6518         REG_N_THROWING_CALLS_CROSSED.
6519         (propagate_one_insn, attempt_auto_inc): Update
6520         REG_N_THROWING_CALLS_CROSSED.
6521         * global.c (global_alloc): Don't allocate pseudos across
6522         calls that may throw.
6523
6524 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6525
6526         PR c/18715
6527         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6528         value is inbetween the range if we did not find an exact match.
6529
6530 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6531
6532         * doc/invoke.texi (Option Summary): Add ms1 options.
6533         * doc/extend.texi: Document interrupt handler attribute for ms1.
6534         * doc/md.texi: Document ms1 constraints.
6535         * config.gcc: Add ms1-*-elf.
6536         * config/ms1/ms1.h: New.
6537         * config/ms1/ms1.c: New.
6538         * config/ms1/ms1.md: New.
6539         * config/ms1/ms1-protos.h: New.
6540         * config/ms1/ABI.txt: New.
6541         * config/ms1/crti.asm: New.
6542         * config/ms1/crtn.asm: New.
6543         * config/ms1/lib2extra-funcs.c: New.
6544         * config/ms1/t-ms1: New.
6545         * config/ms1/ms1.opt: New.
6546
6547 2005-08-22 Ira Rosen <irar@il.ibm.com>
6548
6549         * config/rs6000/altivec.md (xorv4sf3): New.
6550         (negv4sf2, neg<mode>2): Likewise.
6551
6552 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6553
6554         PR target/23485
6555         * config/ia64/ia64.md (divsi3): Check divide by zero.
6556         (udivsi3): Likewise.
6557         (divdi3): Likewise.
6558         (udivdi3): Likewise.
6559
6560 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6561
6562         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6563         up to elem_bitsize bits, not max_bitsize.
6564
6565 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6566
6567         PR tree-optimization/23433
6568         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6569         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6570
6571 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6572
6573         PR tree-optimization/23434
6574         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6575         the iteration bound is not an INTEGER_CST.
6576
6577 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6578
6579         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6580         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6581         NULL if need_epilog_adjust is false.
6582         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6583         Case 3 always peels first itration, not just for PLUS case, and no need
6584         to use scalar_initial_def here. Create an epilog adjustment only if
6585         scalar_initial_def is not NULL.
6586
6587         (vectorizable_reduction): Remove assert.
6588
6589 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6590
6591         PR target/23485
6592         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6593         (__moddi3): Likewise.
6594         (__udivdi3): Likewise.
6595         (__umoddi3): Likewise.
6596         (__divsi3): Likewise.
6597         (__modsi3): Likewise.
6598         (__udivsi3): Likewise.
6599         (__umodsi3): Likewise.
6600
6601 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6602
6603         * tree-pass.h (TDF_GRAPH): Define.
6604         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6605         * passes.c (finish_optimization_passes): Only call
6606         finish_graph_dump_file if TDF_GRAPH is set.
6607         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6608         NULL.  Set TDF_GRAPH bit.
6609         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6610
6611 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6612
6613         * arm.h (arm_stack_offsets): Add locals_base field.
6614         * arm.c (arm_get_frame_offsets): Compute it.
6615         (thumb_compute_initial_elimination offset): Make the Thumb frame
6616         pointer point to the base of the local variables.
6617         (thumb_expand_prologue): Update accordingly.
6618         (thumb_expand_epilogue): Likewise.
6619
6620         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6621         mode of clobbered scratch to DImode.  Handle a case that's known to
6622         need this.
6623
6624 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6625
6626         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6627         (gt0<mode>_compare): Delete.
6628         (neg_gt0<mode>): Delete.
6629
6630 2005-08-19  Eric Christopher  <echristo@apple.com>
6631
6632         * optabs.h: Change CTI_ to COI_.
6633         * optabs.c: Ditto.
6634
6635 2005-08-19  James E Wilson  <wilson@specifix.com>
6636
6637         * builtins.c (expand_builtin_return_addr): Set
6638         current_function_accesses_prior_frames when count != 0.  Use
6639         frame_pointer_rtx when count == 0.
6640         * function.h (struct function): Add accesses_prior_frames field.
6641         (current_function_accesses_prior_frames): Define.
6642         * reload1.c (init_elim_table): Check
6643         current_function_accesses_prior_frames.
6644         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6645
6646 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6647
6648         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6649         indicator.  Return true if the flowgraph changed during
6650         cleanup.
6651
6652 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6653
6654         PR 23476
6655         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6656         conditional expression before testing its value.
6657
6658 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6659
6660         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6661
6662 2005-08-19  Devang Patel  <dpatel@apple.com>
6663
6664         PR tree-optimization/23048
6665         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6666         third parameter. Check whether latch is dominated by exit
6667         block or not.
6668         (if_convertible_loop_p): Supply exit block itself to
6669         if_convertible_bb_p.
6670
6671 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6672
6673         PR target/23473
6674         * arm.md (arm_load_pic_register): Change argument to the mask of
6675         saved registers.  Call thumb_find_work_register if we need a
6676         scratch register on Thumb.
6677         (arm_expand_prologue): Pass empty register set to
6678         arm_load_pic_register.
6679         (thumb_expand_prologue): Pass live_regs_mask directly to
6680         arm_load_pic_register.
6681         * arm-protos.h (arm_load_pic_register): Update prototype.
6682
6683 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6684
6685         * sh.c (find_sole_member): New function.
6686         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6687         if the record's alignment is larger than the size of its only member.
6688
6689 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6690
6691         PR target/23436
6692         * arm.c (thumb_legitimize_reload_address): New function.
6693         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6694         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6695
6696 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6697
6698         * config/crx/crx.c: Implement crx_decompose_address. Reject
6699         symbolic displacements since CRX register relative adressing
6700         mode can't handle unsigned 32-bit values as displacements.
6701         * config/crx/crx.h: Simplify definitions, remove redundant
6702         parenthesis and obsolete macros.
6703         * config/crx/crx.opt: Add new switch for debugging addresses.
6704         * config/crx/crx-protos.h: Add new declarations for above.
6705
6706 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6707
6708         PR middle-end/20624
6709         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6710         looking past it.
6711
6712 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6713
6714         * collect2.c (dup2): Delete.
6715         * configure.ac: Don't check for dup2.
6716
6717         * config.in, configure: Regenerate.
6718
6719 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6720
6721         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6722         record with the type of its only member.
6723
6724 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6725
6726         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6727         define_insn_and_split.
6728         (plus_ltu<mode>_compare): Same.
6729         (gtu<mode>_compare): Same.
6730         (plus_gtu<mode>_compare): Same.
6731
6732 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6733
6734         PR tree-optimization/22228
6735         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6736         todo_flags_start.
6737         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6738         are recorded in vect_vnames_to_rename for renaming.
6739         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6740         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6741         in vect_vnames_to_rename.
6742         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6743         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6744
6745 2005-08-18  Jan Hubicka  <jh@suse.cz>
6746
6747         PR c++/22034
6748         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6749         info only for local statics, not for member variables.
6750
6751 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6752
6753         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6754
6755 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6756
6757         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6758
6759 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6760
6761         PR middle-end/16045
6762         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6763
6764 2005-08-17  James E Wilson  <wilson@specifix.com>
6765
6766         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6767         array size check.
6768
6769 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6770
6771         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6772         (leu<mode>_compare): Same.
6773         (plus_leu<mode>): Same.
6774         (neg_leu<mode>): Same.
6775         (and_neg_leu<mode): Same.
6776         (ltu<mode>_compare): Same.
6777         (plus_ltu<mode>): Same.
6778         (geu<mode>): Same.
6779         (geu<mode>_compare): Same.
6780         (plus_geu<mode>): Same.
6781         (neg_geu<mode>): Same.
6782         (and_neg_geu<mode>): Same.
6783         (plus_gt<mode>): Same.
6784         (gtu<mode>_compare): Same.
6785         (plus_gtu<mode>): Same.
6786
6787 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6788
6789         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6790         Move call_table_data to end.  Delete spurious .text.
6791         (callt_save_all_interrupt): Fix comment typo.
6792
6793 2005-08-17  James E Wilson  <wilson@specifix.com>
6794             Kevin Winchester  <winchester@amirix.com>
6795
6796         PR target/21684
6797         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6798
6799 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6800
6801         PR target/23268
6802         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6803         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6804
6805 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6806
6807         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6808         record with the type of its only member if the modes don't match.
6809
6810         * varasm.c (decode_reg_name): Skip empty additional register names.
6811
6812 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6813
6814         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6815         lsm_tmp_name_length): New.
6816         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6817         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6818
6819 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6820             Andreas Krebbel  <krebbel1@de.ibm.com>
6821
6822         * config.gcc: Added z9-109 switch.
6823         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6824         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6825         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6826         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6827         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6828         for "z9_109" cpu attribute.
6829         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6830         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6831         (s390_handle_arch_option): Added z9-109 switch.
6832         (override_options): Set respective cost function for z9-109.
6833         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6834         (legitimate_reload_constant_p): Accept extended immediates.
6835         (print_operand): Three new output modifiers added: k, m and o.
6836         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6837         (s390_output_mi_thunk): Use extended immediate when possible.
6838         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6839         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6840         (CONSTRAINT_LEN): Added length of O constraint.
6841         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6842         * config/s390/s390.md ("cpu"): New value z9_109 added.
6843         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6844         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6845         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6846         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6847         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6848         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6849         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6850         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6851         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6852         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6853         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6854         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6855         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6856         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6857         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6858         immediates.
6859         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6860         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6861         insns for TARGET_EXTIMM.
6862
6863 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6864
6865         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6866
6867 2005-08-17  Nick Clifton  <nickc@redhat.com>
6868
6869         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6870         Call default_encode_section_info.
6871
6872 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6873
6874         PR tree-optimization/21574
6875         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6876         constant, return CONSTANT.
6877         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6878         (ccp_fold, visit_assignment): Likewise.
6879         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6880
6881 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6882
6883         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6884         fold_buildN instead of buildN then fold_initializer or fold.
6885         (build_unary_op): Likewise.
6886         (build_binary_op): Likewise.
6887         * fold-const.c (fold_initializer): Remove.
6888         (fold_build1_initializer): New function.
6889         (fold_build2_initializer): New function.
6890         (fold_build3_initializer): New function.
6891         * tree.h (fold_initializer): Remove.
6892         (fold_build1_initializer): New function.
6893         (fold_build2_initializer): New function.
6894         (fold_build3_initializer): New function.
6895
6896 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6897
6898         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6899         (try_move_mult_to_index): Call fold_build2 instead of build2.
6900         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6901         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6902         fold_binary_to_constant.
6903         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6904         fold (build.
6905         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6906         check if A == gcd (A, B).  Remove TYPE argument.
6907         (analyze_offset) Use fold_build2 instead of fold (build.
6908         (create_data_ref): Likewise.
6909         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6910         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6911         then fold.
6912
6913 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6914
6915         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6916         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6917
6918 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6919
6920         PR tree-opt/23402
6921         * gimplify.c (zero_sized_type): New function.
6922         (gimplify_modify_expr_rhs): If we have a zero sized type,
6923         replace the statement with an empty statement.
6924
6925 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6926
6927         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6928         fxsave.
6929
6930 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6931
6932         * doc/tm.texi (Label Output): Correct typo.
6933
6934 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6935
6936         PR target/23376
6937         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6938         force_operand will work later on using have_insn_for.
6939
6940 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6941
6942         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6943
6944 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6945
6946         PR c++/23337
6947         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6948         vector type, don't try to construct it element by element.  Add an
6949         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6950
6951 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6952
6953         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6954
6955 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6956
6957         * doc/invoke.texi (Precompiled Headers): Document some more options
6958         which are known to be safe.
6959
6960 2005-08-16  James E Wilson  <wilson@specifix.com>
6961
6962         PR tree-optimization/21105
6963         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6964         TREE_OVERFLOW check.
6965
6966 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6967
6968         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6969         (neg_ltu<mode>): Same.
6970         (gtu<mode>): Same.
6971         (neg_gtu<mode>): Same.
6972
6973 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6974
6975         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6976         (fold_builtin_isdigit): Use fold_buildN.
6977         (build_function_call_expr): Likewise.
6978         * c-typeck.c (c_finish_loop): Likewise.
6979
6980 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6981             Richard Shann <rshann@superh.com>
6982
6983         PR middle-end/20396:
6984         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6985
6986 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6987
6988         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6989
6990 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6991
6992         PR target/23355
6993         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6994         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6995         must be saved.
6996
6997 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6998
6999         PR middle-end/23369
7000         * fold-const.c (build_range_check): Disable optimization for function
7001         pointer expressions on targets that require function pointer
7002         canonicalization.
7003
7004 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7005
7006         * simplify-rtx.c (simplify_const_relational_operation): When
7007         extracting arguments of a COMPARE, recompute the mode as well.
7008
7009 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7010
7011         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7012
7013 2005-08-15  DJ Delorie  <dj@redhat.com>
7014
7015         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7016         the stack.
7017         (movsi_splittable): Allow, but split, moves to the stack.
7018         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7019         stack.
7020
7021 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7022
7023         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7024         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7025         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7026
7027         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7028         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7029         Delete HOST_PTR_PRINTF.
7030
7031         * configure, config.in: Regenerate.
7032
7033 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7034
7035         * config/rs6000/rs6000.md (QHSI): New mode macro.
7036         (wd): Extend mode attr for QImode and HImode
7037         (dbits): New mode attr.
7038         (zero_extend<mode>di2): Convert to mode macro.
7039
7040 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7041
7042         PR target/21841
7043         * doc/invoke.texi (-mgnu-ld): Update description.
7044         (-mhp-ld): Ditto.
7045
7046 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7047
7048         PR 23391
7049         * Makefile.in (tree-chrec.o): Depends on real.h.
7050         * tree-chrec.c: Include real.h.
7051         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7052         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7053         * tree-scalar-evolution.c (add_to_evolution_1,
7054         interpret_rhs_modify_expr): Ditto.
7055
7056 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7057
7058         PR 23386
7059         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7060         step is negative compute the estimation from init downwards to zero.
7061
7062 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7063
7064         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7065
7066 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7067
7068         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7069         constraint.
7070         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7071         Accept double-word constants that can be split.
7072         * config/s390/s390.md ("movti"): Use 'P' constraint.
7073         ("*movdi_31", "*movdf_31"): Likewise.
7074
7075 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7076
7077         Fix PR tree-optimization/22615
7078
7079         * tree-ssa-structalias.c (solution_set_add): Handle
7080         first_vi_for_offset returning NULL.
7081         (do_da_constraint): Ditto.
7082         (do_sd_constraint): Ditto.
7083         (do_ds_constraint): Ditto
7084         (find_func_aliases): Ditto.
7085         (build_constraint_graph): RHS is allowed be ANYTHING.
7086         (first_vi_for_offset): Return NULL if we couldn't find anything at
7087         the offset.
7088
7089 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7090
7091         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7092         over memory as first operand.
7093
7094 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7095
7096         PR target/23360
7097         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7098         available for setting it.
7099
7100 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7101
7102         PR tree-optimization/23320
7103         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7104         data-refs' types instead of base object nullness. Add check for
7105         pointer type data-refs before first location comparison. Remove
7106         assert.
7107
7108 2005-08-14  Andreas Schwab  <schwab@suse.de>
7109
7110         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7111
7112 2005-08-13  James E Wilson  <wilson@specifix.com>
7113
7114         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7115         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7116         -fstack-protector-all, --param ssp-buffer-size): Document.
7117         (-Wvariadic-macros): Alphabetize.
7118         (-fsched-stalled-insns-dep): Add missing 'f'.
7119
7120         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7121         macros.
7122
7123 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7124
7125         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7126         or indirect address operand.
7127         (EXTRA_ADDRESS_CONSTRAINT): New.
7128         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7129
7130 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7131
7132         PR tree-optimization/22236
7133         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7134         successors and predecessors.
7135         * tree-chrec.c (chrec_convert): Before converting, check that
7136         sequences don't wrap.
7137         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7138         (analyze_array): Extern.
7139         (find_data_references_in_loop): Remove call to
7140         compute_estimated_nb_iterations.
7141         * tree-data-ref.h (analyze_array): Declared.
7142         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7143         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7144         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7145         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7146         condition.
7147         * tree-ssa-loop-ivcanon.c: Fix documentation.
7148         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7149         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7150         (infer_loop_bounds_from_undefined): New.
7151         (estimate_numbers_of_iterations_loop): Use
7152         infer_loop_bounds_from_undefined.
7153         (used_in_pointer_arithmetic_p): New.
7154         (scev_probably_wraps_p): Pass an extra parameter.  Call
7155         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7156         (convert_step): Fix documentation.
7157         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7158         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7159         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7160         scev_probably_wraps_p.
7161
7162 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7163
7164         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7165         (s390_register_info): Ignore clobbered_regs information for fixed
7166         registers, and only fixed registers.
7167         (s390_init_frame_layout): Remove redundant call.
7168
7169 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7170
7171         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7172         description of -Wold-style-casts.
7173
7174 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7175             Jakub Jelinek  <jakub@redhat.com>
7176
7177         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7178         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7179         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7180         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7181         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7182         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7183         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7184         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7185         ("stack_protect_set", "stack_protect_test"): New expanders.
7186         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7187         "stack_protect_testdi"): New insn definitions.
7188
7189 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7190
7191         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7192
7193 2005-08-12  Paul Brook  <paul@codesourcery.com>
7194
7195         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7196
7197 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7198
7199         * config/s390/predicates.md (setmem_operand): New predicate.
7200         (shift_count_operand): Accept ANDs with special constants as
7201         operand.
7202         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7203         with special constants.
7204         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7205         shift_count_operand with setmem_operand.
7206
7207 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7208
7209         * config/s390/s390.c (s390_extract_part, s390_single_part):
7210         Type cast added.
7211         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7212         (s390_output_mi_thunk): Don't use lg on 31 bit.
7213         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7214         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7215
7216 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7217
7218         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7219         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7220         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7221         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7222         with one of the new macros.
7223
7224 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7225
7226         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7227         Don't set save_return_addr_p.
7228         (s390_register_info): Make clobbered_regs not depending on
7229         save_return_addr_p.
7230
7231 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7232
7233         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7234         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7235
7236 2005-08-11  James E. Wilson  <wilson@specifix.com>
7237
7238         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7239
7240 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7241
7242         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7243         locations gathered by var-tracking in single entry loc_list
7244         over loc_descriptor_from_tree.
7245
7246         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7247         pass it down to loc_descriptor.
7248         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7249         (containing_function_has_frame_base): Move earlier in the file.
7250         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7251         instead of always assuming fbreg can't be used.
7252
7253 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7254
7255         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7256         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7257         Accept address wrapped in AND for Altivec.
7258         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7259         Strip AND wrapping offset address for Altivec.
7260
7261 2005-08-11  Richard Henderson  <rth@redhat.com>
7262
7263         PR middle-end/23312
7264         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7265         before using TYPE_IS_SIZETYPE.
7266
7267 2005-08-11  Richard Henderson  <rth@redhat.com>
7268
7269         PR target/22225
7270         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7271         insn types not present on ev4.
7272         (alphaev5_insn_pipe): Similarly.
7273
7274 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7275
7276         PR target/23250
7277         * arm.c (arm_override_options): If the user has selected callee-super-
7278         interworking, then enable normal interworking.
7279
7280 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7281
7282         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7283         redefinition.
7284
7285 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7286
7287         * doc/rtl.texi: Fix two typos.
7288
7289 2005-08-11  Richard Guenther  <rguenther@suse.de>
7290
7291         PR target/23289
7292         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7293         cases where we call to/from functions returning void.
7294
7295 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7296
7297         PR c++/23225
7298         * tree.c (build_pointer_type_for_mode): Robustify.
7299
7300 2005-08-10  James E Wilson  <wilson@specifix.com>
7301
7302         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7303         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7304
7305         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7306         "cum->".
7307
7308 2005-08-10  Eric Christopher  <echristo@apple.com>
7309
7310         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7311         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7312         V2DFmode.
7313
7314 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7315
7316         PR target/21887
7317         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7318         for the high part when generating dynamic-no-pic code.
7319
7320 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7321
7322         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7323         (x86_64-*-linux*): Likewise.
7324
7325         * config/i386/crtfastmath.c: New file.
7326         * config/i386/t-crtfm: Likewise.
7327
7328         * config/i386/linux.h (ENDFILE_SPEC): New.
7329         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7330
7331         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7332         crtfastmath.o.
7333
7334 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7335
7336         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7337         (vec_shl, vec_shr): Document new operations.
7338         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7339
7340 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7341
7342         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7343         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7344         change predicate to indexed_or_indirect_address.
7345
7346 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7347
7348         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7349         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7350         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7351         and __aeabi_uwrite8.
7352         * config/arm/unaligned-funcs.c: New file.
7353         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7354
7355 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7356
7357         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7358         Add dump.
7359         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7360         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7361         Add dump.
7362         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7363         * final.c (pass_shorten_branches): Add dump.
7364         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7365         (pass_life): Rename dump.
7366         (rest_of_handle_flow2): Remove initial verify_flow_info.
7367         * function.c (pass_instantiate_virtual_regs): Add dump.
7368         * integrate.c (pass_initial_value_sets): Add dump.
7369         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7370         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7371         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7372         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7373         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7374         gate_rtl_unrool_and_peel_loops): New.
7375         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7376         rtl_doloop): Do not look at flags.
7377         * mode-switching.c (pass_mode_switching): Add dump.
7378         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7379         pass_split_before_regstack): Add dump.
7380         * regmove.c (pass_stack_adjustments): Add dump.
7381         * tree-optimize.c (pass_fixup_cfg): Add dump.
7382
7383 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7384
7385         PR 23309
7386         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7387         deciding which instruction sequence to use.
7388
7389 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7390
7391         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7392         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7393
7394 2005-08-09  Richard Guenther  <rguenther@suse.de>
7395
7396         * c-common.c (builtin_function_2): Remove.
7397         (def_builtin_1): New function.
7398         (c_common_nodes_and_builtins): Use def_builtin_1 to
7399         build builtin functions.
7400
7401 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7402
7403         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7404         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7405         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7406         Visual DSP.
7407
7408 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7409
7410         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7411         fold_binary instead of fold_build2 since we don't care about the
7412         resulting tree.
7413         (loop_niter_by_eval): Likewise.
7414         (compare_trees): Likewise.
7415         (proved_non_wrapping_p): Likewise.
7416
7417 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7418
7419         PR c/23161
7420         PR c/23165
7421         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7422         if the if is really empty.
7423
7424 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7425
7426         PR tree-optimization/23234
7427         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7428         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7429         argument of the new enum.
7430         (execute_cse_reciprocals): Add reciprocals for function arguments
7431         on the unique successor edge of the entry block.  Update other calls
7432         to execute_cse_reciprocals_1.
7433
7434 2005-08-08  Richard Henderson  <rth@redhat.com>
7435
7436         PR 22439
7437         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7438
7439 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7440
7441         * expr.c (write_complex_part): Return after handling MEM.
7442
7443 2005-08-08  Josh Conner  <jconner@apple.com>
7444
7445         PR rtl-optimization/23241
7446         * combine.c (simplify_comparison): Fix error in determining
7447         whether to lift a subreg from comparison.
7448
7449 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7450
7451         PR target/18506
7452         * config/rs6000/altivec.md (vec_init<mode>): New.
7453         (vec_set<mode>): New.
7454         (vec_extract<mode>): New.
7455         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7456         (rs6000_expand_vector_set): New.
7457         (rs6000_expand_vector_extract): New.
7458         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7459         for Altivec modes before reload.
7460         (altivec_expand_vec_init_builtin): New.
7461         (get_element_number): New.
7462         (altivec_expand_vec_set_builtin): New.
7463         (altivec_expand_vec_ext_builtin): New.
7464         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7465         builtins.
7466         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7467         builtins.
7468         * config/rs6000/rs6000.h (rs6000_builtins): Add
7469         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7470         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7471         * config/rs6000/rs6000-protos.h: Declare new functions.
7472
7473 2005-08-08  Jan Hubicka  <jh@suse.cz>
7474
7475         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7476         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7477         * i386.md (movdi*): Use pic_32bit_operand.
7478         * predicates.md (pic_32bit_operand): New.
7479
7480 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7481
7482         PR c++/21166
7483         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7484
7485 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7486
7487         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7488         (test_for_singularity): Use fold_build2.
7489
7490 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7491
7492         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7493
7494 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7495
7496         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7497         (COMMON_ASM_OP) Define.
7498         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7499         (ix86_encode_section_info): Likewise.
7500         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7501         SUBTARGET_ENCODE_SECTION_INFO.
7502
7503 2005-08-06  Richard Henderson  <rth@redhat.com>
7504
7505         PR 21894
7506         * tree-nested.c (convert_local_reference): Save and restore val_only
7507         around component_ref and friends.  Clear walk_subtrees by default.
7508
7509 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7510
7511         PR 21366
7512         * gcc.c (process_command): Check the argument to -b has a dash.
7513         * doc/invoke.texi: Update -b and -V docs.
7514
7515 2005-08-06  James E Wilson  <wilson@specifix.com>
7516
7517         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7518
7519 2005-08-06  Michael Matz  <matz@suse.de>
7520
7521         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7522         member only if only one insn is associated with the value.
7523
7524 2005-08-06  Nick Clifton  <nickc@redhat.com>
7525
7526         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7527         New define.
7528         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7529         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7530         Check symbol flags instead of symbol name mangling.
7531         (xstormy16_asm_output_aligned_common): Likewise.  Also
7532         simplify code since the bss100_section cass is the only case
7533         where the below100 code will be triggered.
7534         (xstormy16_encode_section_info): Encode below100 attribute
7535         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7536         the name.
7537         (xstormy16_strip_name_encoding): Delete - this function is no
7538         longer needed.
7539         (TARGET_STRIP_NAME_ENCODING): Undefine.
7540         * config/stormy16/stormy16-protos.h: Delete prototype for
7541         xstormy16_strip_name_encoding.
7542
7543 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7544
7545         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7546         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7547         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7548         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7549         config/alpha/predicates.md, config/arc/arc.h,
7550         config/arm/arm.h, config/arm/ieee754-df.S,
7551         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7552         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7553         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7554         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7555         config/m68hc11/m68hc11.h, config/mips/mips.c,
7556         config/mips/mips.h, config/mips/openbsd.h,
7557         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7558         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7559         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7560         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7561         config/sparc/linux.h, config/sparc/linux64.h,
7562         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7563         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7564         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7565         typos.  Follow spelling conventions.
7566
7567 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7568
7569         PR c/23113
7570         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7571         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7572         specially.  Check for side effects only for COND_EXPR.
7573         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7574         return with TREE_NO_WARNING.
7575
7576 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7577
7578         PR rtl-optimization/23233
7579         * loop.c (combine_movables): Require the modes to be the same.
7580         (move_movables): Remove handling of cases where the replacement
7581         had a different mode to the original.
7582
7583 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7584
7585         PR tree-optimization/23128
7586         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7587         subtraction wrap, and set TREE_OVERFLOW if they do.
7588
7589 2005-08-05  Richard Henderson  <rth@redhat.com>
7590
7591         PR 21728
7592         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7593         FORCED_LABEL labels.
7594
7595 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7596
7597         PR middle-end/23135
7598         * reload.c (find_reloads_subreg_address): Pass down TYPE
7599         unchanged.  Change all callers except find_reloads_toplev.
7600
7601 2005-08-05  Michael Matz  <matz@suse.de>
7602
7603         * genattrtab.c (current_alternative_string): Remove.
7604         (SIMPLIFY_ALTERNATIVE): Ditto.
7605         (attr_alt_bit_p): Ditto.
7606         (alternative_name): Make const char *.
7607         (evaluate_eq_attr): Remove use of above things.
7608         (simplify_test_exp): Ditto.
7609         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7610         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7611
7612 2005-08-04  James E Wilson  <wilson@specifix.com>
7613
7614         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7615         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7616         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7617         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7618         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7619
7620 2005-08-04  Richard Henderson  <rth@redhat.com>
7621
7622         PR 21529
7623         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7624         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7625         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7626         if we'd have to instantiate too many members.
7627
7628 2005-08-04  Richard Henderson  <rth@redhat.com>
7629
7630         PR 21291
7631         * tree-outof-ssa.c (coalesce_asm_operands): New.
7632         (coalesce_ssa_name): Use it.  Split out ...
7633         (coalesce_phi_operands, coalesce_result_decls): ... these.
7634
7635 2005-08-04  Paul Brook  <paul@codesourcery.com>
7636
7637         * read-rtl.c (read_quoted_string): Break if EOF.
7638
7639 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7640
7641         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7642         (fold_build2): Likewise.
7643         (fold_build3): Likewise.
7644         (fold_build1_stat): New function prototype.
7645         (fold_build2_stat): Likewise.
7646         (fold_build3_stat): Likewise.
7647         * fold-const.c (fold_build1): Rename to ..
7648         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7649         through to build1_stat.
7650         (fold_build2): Rename to ..
7651         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7652         through to build2_stat.
7653         (fold_build3): Rename to ..
7654         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7655         through to build3_stat.
7656
7657 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7658             Ian Lance Taylor  <ian@airs.com>
7659
7660         * function.c (assign_stack_local_1): Do not correct stack slot
7661         address if allocation size is smaller than mode size.
7662
7663 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7664
7665         PR 22037
7666         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7667         (tree_merge_blocks): Propagate anything allowed by
7668         may_propagate_copy.
7669         Clarify documentation.
7670         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7671         SSA form, schedule an update if necessary.
7672
7673 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7674
7675         * doc/install.texi (Binaries): Remove broken link to
7676         Sinix/Reliant Unix binaries.
7677
7678 2005-08-03  Richard Henderson  <rth@redhat.com>
7679
7680         PR 23221
7681         * function.c (stack_protect_epilogue): Export.
7682         * tree.h (stack_protect_epilogue): Declare.
7683         * calls.c (expand_call): Call it.
7684
7685 2005-08-03  Eric Christopher  <echristo@apple.com>
7686
7687         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7688         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7689         spec.
7690
7691 2005-08-04  Jan Hubicka  <jh@suse.cz>
7692
7693         * profile.c (branch_prob): Split edges with goto locus on them
7694         to get proper line counts.
7695         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7696
7697 2005-08-03  Paul Brook  <paul@codesourcery.com>
7698
7699         * function.c (assign_parms): Round current_function_args_size
7700         to PARM_BOUNDARY, not STACK_BOUNDARY.
7701
7702 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7703
7704         * config/i386/i386.c (x86_elf_aligned_common)
7705         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7706
7707 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7708
7709         PR tree-optimization/23157
7710         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7711         before emitting them.
7712
7713 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7714
7715         PR tree-optimization/19899
7716         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7717         * tree-scalar-evolution.c: Include real.h.
7718         (add_to_evolution): Build constant -1 of correct type.
7719
7720 2005-08-03  Jan Hubicka  <jh@suse.cz>
7721
7722         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7723         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7724         profile updating for complette unrolling.
7725         * loop-unroll.c (peel_loop_completely): Use it.
7726         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7727         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7728         loops.
7729
7730 2005-08-03  Paul Brook  <paul@codesourcery.com>
7731
7732         * combine.c (can_change_dest_mode): New function.
7733         (try_combine, simplify_set): Use it.
7734
7735 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7736
7737         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7738         TFmode to BLKmode.
7739
7740 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7741
7742         * doc/install.texi (Specific): Adjust link to openavr.org.
7743         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7744         (Binaries): Adjust HP-UX Porting Center link.
7745         (Binaries): Adjust Free Software Foundation ordering link.
7746
7747 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7748
7749         * convert.c (convert_to_integer): Use fold_build1 instead of
7750         build1 when converting an integer to an integer.
7751
7752 2005-08-02  Richard Henderson  <rth@redhat.com>
7753
7754         * combine.c (combine_instructions): Don't use reg_equal/equiv
7755         results if the mode doesn't match.
7756
7757 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7758
7759         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7760         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7761
7762 2005-08-02  Richard Henderson  <rth@redhat.com>
7763
7764         PR 23196
7765         * explow.c (memory_address): Remove special-case for
7766         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7767
7768 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7769
7770         PR 23164
7771         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7772         number of calls to cleanup_tree_cfg_1.
7773
7774 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7775
7776         * doc/invoke.texi: document file extensions .F90 and .F95
7777
7778 2005-08-02  Richard Guenther  <rguenther@suse.de>
7779
7780         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7781         positive if its first argument is positive.
7782
7783 2005-08-02  Richard Guenther  <rguenther@suse.de>
7784
7785         PR tree-optimization/23177
7786         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7787         on TMR_TAG.
7788
7789 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7790
7791         PR tree-optimization/23129
7792         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7793         varying for divisions with anti-ranges.
7794
7795 2005-08-02  Jan Hubicka  <jh@suse.cz>
7796
7797         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7798         * tree-ssa-threadupdate.c (thread_block): Add it here.
7799
7800 2005-08-01  James E Wilson  <wilson@specifix.com>
7801
7802         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7803         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7804         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7805         New.
7806         * config/mips/predicates.md (const_call_insn_operand): Add check for
7807         SYMBOL_REF_LONG_CALL_P.
7808         * doc/extend.texi (long_call): Document the new attribute.
7809
7810 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7811             Richard Henderson  <rth@redhat.com>
7812
7813         * Makefile.in (RTL_BASE_H): Add real.h.
7814         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7815         instead of memcpy.
7816         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7817         directly.
7818         * rtl.c (rtl_check_failed_code_mode): New.
7819         * rtl.h (struct rtx_def): Add u.rv.
7820         (XCMWINT, XCNMPRV): New.
7821         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7822         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7823
7824 2005-08-01  Richard Henderson  <rth@redhat.com>
7825
7826         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7827         with auto-inc codes.
7828
7829         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7830
7831 2005-08-01  Jan Hubicka  <jh@suse.cz>
7832
7833         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7834         * i386.c: Include dwarf2.h
7835         (asm_preferred_eh_data_format): New.
7836         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7837
7838 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7839
7840         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7841         randomize_va_space for virtual address randomization control.
7842
7843 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7844
7845         * common.opt (flag_ipa_cp): Put in right place to maintain
7846         alphabetic sort.
7847
7848 2005-08-01  Jan Hubicka  <jh@suse.cz>
7849
7850         * profile.c (compute_value_histograms): Fix thinko.
7851         * value-prof.c: Include toplev.h
7852         (check_counter): New function.
7853         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7854         tree_mod_subtract_transform): Add sanity check.
7855
7856 2005-08-01  Richard Guenther  <rguenther@suse.de>
7857
7858         PR tree-optimization/23133
7859         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7860         current functions parameter decls to find defs to cse
7861         reciprocals of.
7862
7863 2005-08-01  Richard Guenther  <rguenther@suse.de>
7864
7865         PR tree-optimization/23109
7866         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7867         If trapping math is in effect, use post-dominator information
7868         to check if we'd in any case reach a trapping point before
7869         doing the reciprocal insertion.
7870         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7871         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7872         expressions are invariant only if trapping math is not in effect.
7873
7874 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7875
7876         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7877         cgraph_function_versioning): New declarations.
7878         * cgraphunit.c: Add include to ipa-prop.h.
7879         (update_call_expr, cgraph_copy_node_for_versioning,
7880         cgraph_function_versioning): New functions.
7881         * integrate.c (copy_decl_for_inlining): Remove.
7882         * ipa-prop.h (ipa_replace_map): New struct.
7883         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7884         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7885         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7886         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7887         ipcp_iterate_stage, ipcp_method_scale_print,
7888         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7889         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7890         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7891         ipcp_update_bb_counts, ipcp_update_profiling,
7892         ipcp_update_edges_counts): New functions.
7893         (ipcp_method_cval_init): Remove restriction regarding local methods.
7894         (ipcp_init_stage): Add ipcp_method_compute_scale.
7895         (ipcp_insert_stage): Add versioning.
7896         (ipcp_structures_print): Add ipcp_method_scale_print.
7897         (ipcp_driver): Dump profiling info.
7898         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7899         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7900         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7901         (struct inline_data): Add versioning_p, ipa_info, new fields.
7902         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7903         declare_return_variable): Replace calls to copy_decl_for_inlining with
7904         copy_decl_for_dup.
7905         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7906         versioning support.
7907         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7908         Add argument VERSIONING.
7909         (copy_arguments_for_versioning, copy_static_chain,
7910         function_versionable_p, tree_versionable_function_p,
7911         tree_function_versioning, replace_ref_tree): New functions.
7912         * tree-inline.h: Include varray.h.
7913         (tree_versionable_function_p,  tree_function_versioning,
7914         tree copy_decl_for_dup): New declarations.
7915
7916 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7917
7918         * ipa-cp.c: New file. Contains IPCP specific functionality.
7919         * ipa-prop.h: New file. Contains structures/definitions that can be
7920         used by several interprocedural data flow optimizations (and also IPCP).
7921         * ipa-prop.c: New file.
7922         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7923         * common.opt: Add ipa-cp flag.
7924         * timevar.def: Add IPCP optimization.
7925         * tree-optimize.c (init_tree_optimization_passes): Schedule
7926         pass_ipa_cp.
7927         * tree-pass.h (pass_ipa_cp): Declare.
7928
7929 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7930
7931         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7932         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7933         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7934         config/i386/i386.c, config/mips/mips.h,
7935         config/rs6000/rs6000.h, config/sh/sh.c,
7936         config/stormy16/stormy16.c: Fix comment typos.
7937
7938 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7939
7940         PR c/22311
7941         * c-typeck.c (build_binary_op): Use common_type wrapper on
7942         shortened types.
7943         (common_type): Update comment.
7944
7945 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7946
7947         PR target/23095
7948         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7949         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7950         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7951
7952 2005-07-31  Jan Hubicka  <jh@suse.cz>
7953
7954         * pretty-print.h (pp_widest_integer): New macro.
7955         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7956         counts.
7957
7958 2005-07-31  Jan Hubicka  <jh@suse.cz>
7959
7960         * output.h (enum section_category): Export from varasm.c
7961         (categorize_decl_for_section): Likewise.
7962         * varasm.c (enum section_category): Kill.
7963         (categorize_decl_for_section): Make global.
7964         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7965         Declare.
7966         * i386.c (ix86_section_threshold): New static variable.
7967         (ix86_in_large_data_p, ix86_encode_section_info,
7968         x86_64_elf_unique_section,
7969         x86_64_elf_select_section): New functions.
7970         (TARGET_ENCODE_SECTION_INFO): Define
7971         (override_options): Enable medium model for PIC.
7972         (ix86_expand_prologue): Expand gen_set_got_rex64.
7973         (legitimate_constant_p): Handle new UNSPECs.
7974         (legitimate_pic_address_disp_p): Likewise.
7975         (legitimize_pic_address): Lower MEDIUM model addressing.
7976         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7977         (enum cmodel): Add MEDIUM_PIC.
7978         (SYMBOL_REF_FAR_ADDR_P): New macro.
7979         (SYMBOL_FLAG_FAR_ADDR): New flag.
7980         * i386.md (movdi): Support medium model.
7981         (set_got_rex64): New pattern.
7982         * i386.opt (mlarge-data-threshold): New flag.
7983         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7984         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7985         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7986         TARGET_ASM_UNIQUE_SECTION): New.
7987
7988         * invoke.texi (-mlarge_data_threshold): Document
7989
7990 2005-07-31  Jan Hubicka  <jh@suse.cz>
7991
7992         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7993         (coalesce_vars): Likewise.
7994         * tree-ssa-live.c (coalesce_cost): New.
7995         (build_tree_conflict_graph): Use coalesce_cost.
7996         * tree-ssa-live.h (coalesce_cost): Declare.
7997
7998 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7999
8000         * arm.md (all peepholes for post-increment operations): Delete.
8001         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8002         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8003         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8004         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8005         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8006
8007 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8008
8009         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8010         non-integral types.
8011
8012 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8013
8014         PR target/22582
8015         * doc/invoke.texi: Document -rdynamic.
8016
8017 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8018
8019         PR c/23143
8020         * c-parser.c (c_parser_parms_list_declarator): Call
8021         mark_forward_parm_decls.
8022         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8023         decls with visibility structure.
8024
8025 2005-07-30  Paul Brook  <paul@codesourcery.com>
8026
8027         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8028
8029 2005-07-30  Paul Brook  <paul@codesourcery.com>
8030
8031         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8032         prototype.
8033         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8034         value for mode.
8035         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8036
8037 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8038
8039         PR c/529
8040         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8041         nested function declarators.
8042         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8043         (grokparms): Call warn_if_shadowing for parameters used within the
8044         parameter list.
8045         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8046         not used within the parameter list.
8047         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8048
8049 2005-07-30  Jan Hubicka  <jh@suse.cz>
8050
8051         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8052         * i386.c (ix86_fixup_binary_operands): Likewise.
8053         (ix86_expand_unary_operator): Likewise.
8054         (ix86_expand_fp_absneg_operator): Likewise.
8055         * optabs.c (expand_vec_cond_expr): Validate dest.
8056
8057 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8058
8059         PR c/21720
8060         * real.c (real_from_string): Also set last bit if there is a
8061         nonzero hex digit beyond GCC's internal precision after ".".
8062
8063 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8064
8065         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8066         define_constants.  Change duplicate values to unassigned numbers.
8067         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8068         (*altivec_vspltsf): New.
8069         (altivec_vperm_v4sf): Delete.
8070         (altivec_vperm_<mode>): Use mode macro V.
8071         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8072         (altivec_predicate_v4sf): Delete.
8073         (altivec_predicate_<mode>): Use mode macro V.
8074         (*altivec_lvesfx): New.
8075         (*altivec_stvesfx): New.
8076         (vec_realign_load_v4sf): Delete.
8077         (vec_realign_load_<mode>): Use mode macro V.
8078         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8079         UNSPECV_SET_VRSAVE.
8080
8081 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8082
8083         PR bootstrap/23131
8084         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8085         string.
8086         * configure: Regenerated.
8087
8088 2005-07-29  Paul Brook  <paul@codesourcery.com>
8089
8090         * doc/install.texi: Add link to GFortran binaries wiki page.
8091
8092 2005-07-29  David Ung  <davidu@mips.com>
8093
8094         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8095         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8096         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8097         * config/mips/mips.md (cpu): Add 5kf name.
8098         (includes): Includes 5k.md.
8099         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8100         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8101         -march flag.
8102
8103 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8104
8105         PR 22550
8106         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8107         (cleanup_tree_cfg): ... here.
8108         Call cleanup_tree_cfg_1 until there are no more cleanups to
8109         do.
8110
8111 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8112
8113         * tree-vrp.c (compare_range_with_value): Return true or false
8114         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8115         EQ_EXPR respectively.
8116
8117 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8118
8119         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8120         Fix comment typos.
8121
8122 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8123
8124         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8125         (tree_ssa_dominator_optimize): Increment it.
8126         (dump_dominator_optimization_stats): Print it.
8127
8128 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8129             Steven Bosscher  <stevenb@suse.de>
8130
8131         PR rtl-optimization/23117
8132         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8133         when head == tail.  Tidy comment.
8134
8135 2005-07-28  Richard Henderson  <rth@redhat.com>
8136
8137         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8138         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8139         * jump.c (rtx_renumbered_equal_p): Likewise.
8140         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8141         CONST_INT and CONST_DOUBLE.
8142         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8143         * reload.c (operands_match_p): Special case CONST_INT and
8144         CONST_DOUBLE; check mode earlier.
8145
8146 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8147
8148         PR c/22240
8149         * c-typeck.c (convert_for_assignment): Do not check
8150         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8151
8152 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8153
8154         PR c/22192
8155         * c-typeck.c (composite_type): Prefer constant size arrays to
8156         VLAs.
8157
8158 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8159
8160         PR c/21720
8161         * real.c (real_from_string): Set last bit if there is a nonzero
8162         hex digit beyond GCC's internal precision.
8163
8164 2005-07-28  Richard Henderson  <rth@redhat.com>
8165
8166         PR rtl-opt/22619
8167         * cfgcleanup.c (try_forward_edges): Watch out for end of
8168         insn chain.
8169
8170 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8171
8172         PR c/23106
8173         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8174
8175 2005-07-28  Jan Hubicka  <jh@suse.cz>
8176
8177         * Makefile.in (rtl-profile.o): Kill all traces of it.
8178         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8179         * coverage.h (rtl_coverage_counter_ref): Kill.
8180         * opts.c (flag_speculative_prefetching_set): Kill.
8181         (flag_loop_optimize_set): New.
8182         (common_handle_option): Disable loop optimizer when profiling;
8183         do not handle speculative prefetching.
8184         * passes.c (init_optimization_passes): Replace pass_profiling combo
8185         by branch_prob pass.
8186         * profile.c (compute_value_histograms): Update for simplified value
8187         profiles.
8188         (rtl_register_profile_hooks): Kill.
8189         (pass_profiling): Kill.
8190         (rest_of_handle_branch_prob): Do not profile.
8191         * toplev.c (process_options): Remove speculative prefetching.
8192         * toplev.h (flag_tree_based_profiling): Kill.
8193         * tree-profile.c (prepare_instrumented_value,
8194         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8195         tree_gen_one_value_profiler, do_tree_profiling): Update for
8196         simplified datastructures.
8197         * value-prof.c: Add comment that speculative prefetching was dropped;
8198         update rest of file for simplified datastructures.
8199         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8200         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8201         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8202         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8203         rtl_mod_subtract, gen_speculative_prefetch,
8204         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8205         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8206         (gate_handle_value_profile_transformations,
8207         rest_of_handle_value_profile_transformations,
8208         pass_value_profile_transformations): Kill.
8209         * value-prof.h (histogram_value_t): Remove IL based unions.
8210         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8211         rtl_profile_hooks): Remove hooks.
8212
8213         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8214
8215         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8216         (cgraph_clone_node): Likewise.
8217         * cgraph.h (cgraph_clone_edge): Update prototype.
8218         (cgraph_clone_node): Likewise.
8219         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8220         cgraph_clone_node.
8221         (lookup_recursive_calls): Consider profile.
8222         (cgraph_decide_recursive_inlining): Fix updating; use new
8223         probability argument; use profile.
8224         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8225         * tree-inline.c (copy_bb): Update clal of clone_edge.
8226         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8227
8228         * invoke.texi (min-inline-recursive-probability): Document.
8229
8230 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8231
8232         * doc/install.texi (Configuration): Update Valgrind homepage.
8233
8234 2005-07-28  Richard Henderson  <rth@redhat.com>
8235
8236         PR middle-end/21362
8237         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8238         labels we want to delete.
8239         (cfg_layout_merge_blocks): Likewise.
8240
8241 2005-07-28  Richard Henderson  <rth@redhat.com>
8242
8243         PR target/17692
8244         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8245         when expanding to nothing.
8246
8247 2005-07-28  Josh Conner  <jconner@apple.com>
8248
8249         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8250         (cgraph_decide_inlining_of_small_functions): Likewise.
8251
8252 2005-07-28  Josh Conner  <jconner@apple.com>
8253
8254         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8255         direction of badness if negative.
8256         (cgraph_default_inline_p): Add reason to parameters, and assign it
8257         a value.
8258         (cgraph_decide_inlining_of_small_functions): New parameter in call
8259         to cgraph_default_inline_p.
8260         (cgraph_decide_inlining_incrementally): Likewise.
8261         * cgraphunit.c (decide_is_function_needed): Likewise.
8262         * cgraph.h (cgraph_default_inline_p): Likewise.
8263
8264 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8265
8266         * builtins.c: Fix comment typo(s).
8267         * genautomata.c: Likewise.
8268         * gimplify.c: Likewise.
8269         * tree-dfa.c: Likewise.
8270         * tree-flow-inline.h: Likewise.
8271         * tree-into-ssa.c: Likewise.
8272         * tree-ssa-alias.c: Likewise.
8273         * tree-ssa-ccp.c: Likewise.
8274         * tree-ssa-copy.c: Likewise.
8275         * tree-ssa-dce.c: Likewise.
8276         * tree-ssa-dom.c: Likewise.
8277         * tree-ssa-operands.c: Likewise.
8278         * tree-tailcall.c: Likewise.
8279         * tree-vectorizer.c: Likewise.
8280         * tree-vrp.c: Likewise.
8281         * tree.c: Likewise.
8282
8283 2005-07-28  Jeff Law  <law@redhat.com>
8284
8285         * tree-vrp.c (test_for_singularity): Extracted from  ...
8286         (simplify_cond_using_ranges): Attempt to simplify a relational
8287         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8288
8289 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8290
8291         PR tree-optimization/22506
8292         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8293         phis whose argument is constant.
8294
8295 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8296
8297         PR rtl-optimization/18992
8298         Back out this patch:
8299           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8300           PR optimization/12142
8301           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8302           uses of the register in the SET_SRC.  Remove unnecessary argument.
8303
8304         Replace it with this:
8305         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8306         if flag_non_call_exceptions is set and the insn may trap, pass
8307         pc_rtx as dest for recursion.
8308         In SET_SRC part of SET case, if dest is already set, pass it down
8309         unchanged.
8310
8311 2005-07-28  Jan Hubicka  <jh@suse.cz>
8312
8313         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8314         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8315         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8316         roundoff errors.
8317         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8318         profile when available.
8319
8320 2005-07-28  Jan Beulich <jbeulich@novell.com>
8321
8322         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8323         (ia64_print_operand): Describe and handle 'X'.
8324         (ia64_register_move_cost): Also handle FP_REGS.
8325         (ia64_preferred_reload_class): Likewise.
8326         (ia64_secondary_reload_class): Likewise.
8327         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8328         it. Also check for ITANIUM_CLASS_FLDP.
8329         * config/ia64/ia64.h (FP_REGNO_P): New.
8330         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8331         (reg_class): Add FP_REGS.
8332         (REG_CLASS_NAMES): Adjust for it.
8333         (REG_CLASS_CONTENTS): Likewise.
8334         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8335         (REG_CLASS_FROM_LETTER): Handle 'x'.
8336         (CLASS_MAX_NREGS): Handle FP_REGS.
8337         (MEMORY_MOVE_COST): Likewise.
8338         * config/ia64/ia64.md (itanium_class): Add fldp.
8339         (type): Handle fldp.
8340         (movti_internal): More allowable operand combinations. Use ldfp8 when
8341         splitting unnecessary. Remove predicable attribute. Adjust
8342         itanium_class attribute.
8343         (smuldi3_highpart): Remove outdated comment.
8344         (mulditi3, umulditi3, rotlti3): New expanders.
8345         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8346         (absti2): Disabled new insn for future reference.
8347         Respective new splitters.
8348         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8349         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8350         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8351
8352 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8353
8354         PR rtl-optimization/23047
8355         * simplify-rtx.c (simplify_const_relational_operation): Respect
8356         flag_wrapv for comparisons with ABS.
8357
8358 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8359
8360         PR tree-optimization/22493
8361         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8362         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8363
8364 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8365
8366         * config/frv/frv.opt (moptimize-membar): New.
8367
8368         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8369
8370         * config/frv/frv.h: Remove machine_function definition.
8371
8372         * config/frv/frv.c (struct frv_io): New.
8373         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8374         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8375         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8376         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8377         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8378         (frv_reorg): Call frv_optimize_membar when appropriate.
8379         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8380         (frv_expand_builtin): Adjust calls accordingly.
8381         (frv_io_address_cookie): New function.
8382         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8383         load or store rather than a special insn.  Add ccnstant address and
8384         io-type operands to the membar.
8385         (frv_ifcvt_modify_tests): Unsign regno.
8386         (frv_ifcvt_modify_tests): Same.
8387
8388         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8389         UNSPEC_OPTIONAL_MEMBAR constant.
8390         (builtin_read_<mode>): Delete.
8391         (builtin_write_<mode>): Delete.
8392         ("optional_membar_<mode>"): Add operand.
8393
8394         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8395         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8396         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8397         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8398         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8399         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8400         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8401         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8402         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8403
8404 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8405
8406         * df.c (df_uses_record): Handle SCRATCH.
8407
8408 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8409
8410         PR debug/20161
8411         * passes.c (rest_of_decl_compilation): If decl is a type and
8412         we have encountered errors, don't emit debug information.
8413
8414 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8415
8416         * params.def: Fixed comment.
8417
8418 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8419
8420         PR target/19885
8421         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8422         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8423         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8424
8425 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8426
8427         PR c++/22003
8428         * varasm.c (assemble_start_function): Don't do anything that may
8429         require a CFG if the current function is a thunk.
8430
8431 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8432
8433         * doc/install.texi (Prerequisites): Mention that perl is needed
8434         to do export control in libstdc++ targetting Darwin.
8435
8436 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8437
8438         PR rtl-optimization/17808
8439         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8440         (sched_insns_conditions_mutex_p): Split out from...
8441         (add_dependence): ...here.  But don't call it from here.
8442         (add_dependence_list): Check sched_insns_conditions_mutex_p
8443         before calling add_dependence.
8444         (add_dependence_list_and_free): Likewise.
8445         (fixup_sched_groups): Likewise.
8446         (sched_analyze_1): Likewise.
8447         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8448         (sched_analyze): Likewise.
8449         (sched_analyze_insn): Likewise.
8450         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8451         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8452         dependencies on all COND_EXEC insns to jumps ending basic blocks
8453         when doing intrablock scheduling.
8454         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8455
8456 2005-07-27  Jeff Law  <law@redhat.com>
8457
8458         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8459         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8460         equivalency sets, correctly handle the case were vr0 has an
8461         equivalency set, but vr1 does not.
8462
8463 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8464
8465         PR tree-optimization/23073
8466         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8467         vect_print_dump_info before fprintf.
8468
8469 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8470
8471         PR tree-optimize/22348
8472         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8473         Fold the partial computation.
8474
8475 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8476
8477         PR tree-optimization/22325
8478         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8479         Declare.
8480         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8481         value replacement.
8482         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8483         (force_var_cost): ... this function.
8484         (compute_phi_arg_on_exit): Export.
8485
8486 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8487
8488         PR tree-optimization/20773
8489         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8490         edge.
8491
8492 2005-07-27  Richard Guenther  <rguenther@suse.de>
8493
8494         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8495         Avoid pushing again if current struct contains only
8496         fields we decomposed.
8497
8498 2005-07-27  Jan Hubicka  <jh@suse.cz>
8499
8500         PR tree-optimization/22574
8501         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8502         not available.
8503
8504         * tree-tailcall.c (decrease_profile): New function.
8505         (eliminate_tail_call): Use it.
8506
8507         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8508         visibility flags correctly in whole program mode.
8509
8510 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8511
8512         PR rtl-optimization/22472
8513         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8514
8515 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8516
8517         PR tree-optimization/22504
8518         * tree-complex.c (expand_complex_addition): Use 'code' instead
8519         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8520
8521 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8522
8523         * config.gcc (cpu_type): Add frv case.
8524         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8525         (supported_defaults): Add fr550 case.
8526
8527 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8528
8529         PR 22591
8530         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8531         whether a pointer of type T * may point to objects of type T *.
8532
8533 2005-07-26  DJ Delorie  <dj@redhat.com>
8534
8535         * configure: Regenerate.
8536
8537 2005-07-26  Dale Johannesen  <dalej@apple.com>
8538
8539         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8540
8541 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8542
8543         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8544         Clarify use of "build" in name.
8545
8546 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8547
8548         * doc/extend.texi (Raw read/write Functions): New section.
8549         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8550         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8551         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8552         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8553         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8554         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8555         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8556         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8557         * config/frv/frv.c: Add bdesc_loads global.
8558         Add bdesc_stores global.
8559         (frv_init_builtins): Add support for __builtin_{read/write}*.
8560         (frv_volatile_memref): New.
8561         (frv_expand_load_builtin): New.
8562         (frv_expand_store_builtin): New.
8563         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8564         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8565         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8566         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8567         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8568         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8569         (builtin_read_<mode>): New.
8570         (builtin_write_<mode>): New.
8571         (builtin_write64): New.
8572         (optional_membar_<mode>): New.
8573
8574 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8575
8576         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8577         (rather than units) against HOST_BITS_PER_WIDE_INT.
8578
8579 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8580
8581         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8582         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8583         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8584         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8585         FSF address.
8586
8587         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8588         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8589         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8590         comment typos.
8591         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8592
8593 2005-07-26  Richard Guenther  <rguenther@suse.de>
8594
8595         PR tree-optimization/22486
8596         * fold-const.c (fold_unary): Fold away useless component
8597         references of the form (T *)&T.x, if the address
8598         doesn't change.
8599
8600 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8601
8602         * dwarf2out.c (add_call_src_coords_attributes): New.
8603         (gen_inlined_subroutine_die): Call it.
8604         (maybe_emit_file, init_file_table): Add comments.
8605         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8606         maybe_emit_file.
8607         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8608         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8609         * tree.h (BLOCK_SOURCE_LOCATION): New.
8610         (struct tree_block): New field locus.
8611
8612 2005-07-26  Andreas Schwab  <schwab@suse.de>
8613
8614         PR rtl-optimization/23043
8615         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8616         when allocating a struct unoccr.
8617
8618 2005-07-25  Richard Henderson  <rth@redhat.com>
8619
8620         PR 22626
8621         * tree-complex.c (gate_no_optimization): True if errors.
8622         * Makefile.in (tree-complex.o): Update dependencies.
8623
8624 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8625
8626         * config/frv/predicates.md (integer_register_operand): Use
8627         GPR_AP_OR_PSEUDO_P.
8628
8629 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8630
8631         PR tree-opt/22484
8632         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8633         after fold.
8634         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8635
8636 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8637
8638         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8639         types when flag_unsafe_math_optimizations is true.
8640
8641 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8642
8643         * gcc.c (option_map): Add --sysroot.
8644         (process_command): Handle --sysroot.
8645         (display_help): Document it.
8646         * doc/cppopts.tex (-isysroot): Document.
8647         * doc/invoke.texi (--sysroot): Document.
8648         * doc/install.texi (--with-build-sysroot): Document.
8649
8650         * Makefile.in (inhibit_libc): New variable.
8651         (INHIBIT_LIBC_CFLAGS): Likewise.
8652         (LIBGCC2_CFLAGS): Include
8653         $(INHIBIT_LIBC_CFLAGS).
8654         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8655         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8656         ($(T)crtend.o): Likewise.
8657         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8658         ($(T)crtendS.o): Likewise.
8659         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8660         ($(T)crtendT.o): Likewise.
8661         (stmp-fixinc): Do not complain about missing headers if
8662         inhibit_libc.
8663         * configure.ac (inhibit_libc): Set it to true/false.
8664         (--with-build-sysroot): New option.  Use it to set
8665         SYSTEM_HEADER_DIR.
8666         * configure: Regenerated.
8667
8668 2005-07-25  Manfred Hollstein  <mh@suse.com>
8669
8670         * calls.c (store_one_arg): Fix unsigned comparison warning.
8671
8672 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8673
8674         PR other/22337
8675         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8676         (ggc_print_statistics): Initialize variable before use.
8677
8678 2005-07-25  Richard Guenther  <rguenther@suse.de>
8679
8680         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8681         calling with a PHI_NODE argument.
8682
8683         * tree-flow-inline.h (overlap_subvar): Protect against
8684         possible overflow.
8685
8686 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8687
8688         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8689         * configure: Regenerate.
8690
8691 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8692
8693         * expr.c (highest_pow2_factor): Make extern.
8694         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8695         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8696         record_array_differ_p, array_ptr_differ_p): Likewise.
8697         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8698         additional cases. Call the above functions.
8699         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8700         base_object_differ_p when there are two base objects. Otherwise, compare
8701         base address and offset. Call may_alias_p.
8702         (dump_data_reference): Use a correct field name.
8703         (analyze_array): Make static. Initialize new data-ref fields.
8704         (analyze_indirect_ref): New function.
8705         (init_data_ref): Initialize new data-ref fields.
8706         (strip_conversion): Moved from tree-vect-analyze.c.
8707         (analyze_offset_expr, get_ptr_offset, address_analysis,
8708         object_analysis): Likewise.
8709         (analyze_offset): New function.
8710         (create_data_ref): Likewise.
8711         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8712         dimensions for ARRAY_REFs only.
8713         (build_classic_dist_vector): Make static.
8714         (access_functions_are_affine_or_constant_p): Call macro to get the
8715         address of access functions.
8716         (compute_all_dependences): Add new parameter
8717         compute_self_and_read_read_dependences. Compute self and read-read
8718         dependences if it is true.
8719         (find_data_references_in_loop): Call create_data_ref. Initialize new
8720         data-ref fields.
8721         (compute_data_dependences_for_loop): Add new parameter
8722         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8723         compute nb_loops. Call compute_all_dependences,
8724         build_classic_dist_vector and build_classic_dir_vector with correct
8725         parameters.
8726         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8727         with correct parameters. Compare dimensions for ARRAY_REFs only.
8728         (free_data_refs): Call macro to free access functions.
8729         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8730         fields from stmt_vinfo.
8731         (struct base_object_info): New structure.
8732         (struct data_reference): Move fields to base_object_info. Add fields
8733         first_location and object_info for above structures. Move fields from
8734         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8735         aligned_to.  Add macros to access the new fields.
8736         Update functions declarations.
8737         * tree-flow.h (is_aliased_with): Declare.
8738         * tree-loop-linear.c (linear_transform_loops): Call
8739         compute_data_dependences_for_loop with correct parameters.
8740         * tree-ssa-alias.c (is_aliased_with): New function.
8741         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8742         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8743         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8744         vect_base_addr_differ_p, compute_subscript_distance and
8745         build_classic_dist_vector. Add printings. Check absolute value of
8746         distance.
8747         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8748         data-refs.
8749         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8750         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8751         to bytes. Add printing.
8752         (vect_compute_data_refs_alignment): Go through loads and stores in one
8753         loop.
8754         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8755         vect_analyze_data_ref_access): Likewise.
8756         (vect_analyze_pointer_ref_access): Remove.
8757         (vect_address_analysis, vect_object_analysis): Likewise.
8758         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8759         and analyze data-refs in the loop.
8760         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8761         fields of data-ref instead of stmt. Add init to the offset from the
8762         base.
8763         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8764         (vect_update_init_of_dr): Likewise.
8765         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8766         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8767         removed fields.
8768         (new_loop_vec_info): Initialize new fields.
8769         (destroy_loop_vec_info): Free new fields.
8770         (vect_strip_conversion): Remove.
8771         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8772         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8773         datarefs. Add new field ddrs.
8774         Add macros for the new fields access.
8775         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8776         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8777         Remove their macros.
8778         * tree.h (highest_pow2_factor): Declare.
8779
8780 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8781
8782         * calls.c (store_one_arg): Check for sibling call MEM arguments
8783         from already clobbered incoming argument area.
8784
8785 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8786
8787         * c-common.c (check_missing_format_attribute): New.
8788         * c-common.h (check_missing_format_attribute): Likewise.
8789         * c-typeck.c (convert_for_assignment): Use it.
8790
8791 2005-07-24  Andreas Schwab  <schwab@suse.de>
8792
8793         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8794         register use a word move.  Correct operand of ext.w in 68000 code.
8795
8796 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8797
8798         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8799         variables as declarations, rather than definitions.
8800
8801 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8802
8803         PR tree-optimization/22526
8804         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8805         of the zero node.
8806
8807 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8808
8809         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8810         that C99 reserve for future use. Use it to define clog10,
8811         clog10f and clog10l.
8812
8813 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8814
8815         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8816         * configure.ac: Check for -Wmissing-format-attribute.
8817
8818         * configure: Regenerate.
8819
8820 2005-07-23  Richard Henderson  <rth@redhat.com>
8821
8822         PR tree-optimization/22623
8823         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8824
8825 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8826
8827         PR target/22577
8828         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8829
8830 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8831
8832         * Makefile.in (C_TREE_H): Update dependencies.
8833         * c-tree.h: Include toplev.h.
8834         * diagnostic.h (diagnostic_set_info): Add format attribute.
8835         * rtl-error.c (diagnostic_for_asm): Likewise.
8836
8837 2005-07-23  Chao-ying Fu  <fu@mips.com>
8838
8839         * config/mips/mips-dsp.md: New file.
8840         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8841         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8842         functions.
8843         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8844         MIPS_BUILTIN_BPOSGE32.
8845         (mips_expand_builtin_direct): Add one parameter to indicate that
8846         builtin functions need to return a value.
8847         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8848         functions.
8849         (mips_regno_to_class): Add classes for 12 new DSP registers.
8850         (mips_subword): Change to check four HI registers.
8851         (mips_output_move): Output move to and from 6 new DSP accumulators.
8852         (override_options): Make sure -mdsp and -mips16 are not used together.
8853         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8854         for machine modes.
8855         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8856         when !TARGET_DSP.
8857         (print_operand): Add 'q' for printing DSP accumulators.
8858         (mips_cannot_change_mode_class): Check ACC_REGS.
8859         (mips_secondary_reload_class): Check ACC_REGS.
8860         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8861         (mips_register_move_cost): Check ACC_REGS.
8862         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8863         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8864         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8865         (dsp_bdesc): New array.
8866         (bdesc_arrays): Add DSP builtin function table.
8867         (mips_prepare_builtin_arg): Check predicate again after
8868         copy_to_mode_reg.
8869         (mips_expand_builtin): Add one more parameter to
8870         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8871         MIPS_BUILTIN_BPOSGE32.
8872         (mips_init_builtins): Initialize new function types.
8873         (mips_expand_builtin_direct): Check if builtin functions need to
8874         return a value and pass operands properly.
8875         (mips_expand_builtin_bposge): New function.
8876         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8877         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8878         (FIRST_PSEUDO_REGISTER): Increase to 188.
8879         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8880         Update for 12 new DSP registers.
8881         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8882         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8883         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8884         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8885         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8886         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8887         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8888         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8889         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8890         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8891         (REGISTER_NAMES): Add names for 12 new DSP registers.
8892         * config/mips/mips.md: Include mips-dsp.md.
8893         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8894         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8895         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8896         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8897         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8898         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8899         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8900         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8901         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8902         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8903         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8904         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8905         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8906         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8907         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8908         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8909         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8910         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8911         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8912         (UNSPEC_RDDSP): New constants.
8913         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8914         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8915         A<-d alternative.
8916         * config/mips/mips.opt (-mdsp): New option.
8917         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8918         (reg_imm10_operand): New predicates.
8919         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8920         * doc/invoke.texi (-mdsp): Document new option.
8921
8922 2005-07-22  DJ Delorie  <dj@redhat.com>
8923
8924         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8925         to warning calls.
8926         * tree-inline.c (inlinable_function_p): Likewise.
8927
8928 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8929
8930         PR debug/21828
8931         * toplev.c (check_global_declarations): Do not mark undefined
8932         variables as DECL_IGNORED_P.
8933         * varasm.c (first_global_object_name): GTY it.
8934         (weak_global_object_name): Likewise.
8935         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8936         a string to go into {weak,first}_global_object_name.
8937
8938 2005-07-22  DJ Delorie  <dj@redhat.com>
8939
8940         * c-format.c (check_function_format): Change warning control
8941         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8942
8943 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8944
8945         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8946         &PTR->FLD a dereference of PTR.
8947         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8948         a potential dereference of PTR.
8949
8950 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8951
8952         PR rtl-optimization/20370
8953         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8954         call allocate_reg_info if necessary.
8955
8956         PR rtl-optimization/21848
8957         * calls.c (emit_library_call_value_1): For const functions, add
8958         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8959
8960         PR rtl-optimization/22445
8961         * cselib.c (target.h): Include.
8962         (rtx_equal_for_cselib_p): Allow commutative matches.
8963         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8964         Remove MODE parameter.  Changed all callers.
8965
8966         PR rtl-optimization/22258
8967         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8968         New functions.
8969         (try_combine): Use likely_spilled_retval_p.
8970
8971 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8972
8973         * config.gcc: Add crx-elf support.
8974
8975         * doc/contrib.texi: Mention crx.
8976         * doc/extend.texi: Document crx extensions.
8977         * doc/install.texi: Document crx install.
8978         * doc/invoke.texi: Document crx options.
8979         * doc/md.texi: Document crx constraints.
8980
8981         * config/crx/crx-protos.h: New file.
8982         * config/crx/crx.c: New file.
8983         * config/crx/crx.h: New file.
8984         * config/crx/crx.md: New file.
8985         * config/crx/crx.opt: New file.
8986         * config/crx/t-crx: New file.
8987
8988 2005-07-22  Manfred Hollstein  <mh@suse.com>
8989
8990         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8991         warnings.
8992         (int_add_graph_edge): Likewise.
8993         (collapse_nodes): Likewise.
8994         (process_unification_queue): Likewise.
8995
8996 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8997             Laurent GUERBY  <laurent@guerby.net>
8998
8999         PR tree-optimization/22336
9000         * function.c (record_block_change): Check for
9001         cfun->ib_boundaries_block.
9002
9003 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9004
9005         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9006         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9007
9008 2005-07-21  DJ Delorie  <dj@redhat.com>
9009
9010         * toplev.c (warn_deprecated_use): Add warning control to warning
9011         call.
9012         * c-typeck.c (parser_build_binary_op): Likewise.
9013         (c_finish_if_stmt): Likewise.
9014         * c-common.c (check_function_sentinel): Likewise.
9015         (check_nonnull_arg): Likewise.
9016
9017 2005-07-21  Richard Henderson  <rth@redhat.com>
9018
9019         PR tree-opt/22504
9020         * tree-complex.c (complex_ssa_name_components): New.
9021         (cvc_lookup): Allow entry not found.
9022         (create_components): Remove.
9023         (create_one_component_var, get_component_var): New.
9024         (get_component_ssa_name, set_component_ssa_name): New.
9025         (extract_component): Use get_component_ssa_name.
9026         (update_complex_components): Use set_component_ssa_name.
9027         (update_complex_components_on_edge): Likewise.
9028         (update_phi_components): Create new PHI nodes directly, instead
9029         of adding insns to edges.
9030         (tree_lower_complex): Allocate and free complex_variable_components
9031         and complex_ssa_name_components here.
9032
9033 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9034
9035         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9036         revert to returning false.
9037
9038 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9039
9040         PR target/21149
9041         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9042
9043 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9044
9045         PR target/22576
9046         * config/i386/i386.md (cmpxf): Change operand constraints
9047         to "nonmemory_operand".
9048
9049 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9050
9051         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9052
9053 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9054
9055         PR middle-end/21180
9056         * fold-const.c (fold_build1): Add checksum for the operands.
9057         (fold_build2): Likewise.
9058         (fold_build3): Likewise.
9059
9060 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9061
9062         PR middle-end/19055
9063         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9064
9065 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9066
9067         * common.opt (-fforward-propagate): Committed by mistake,
9068         removed.
9069
9070 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9071
9072         * reg-stack.c: Fix comment typo(s).
9073         * tree-ssa-operands.c: Likewise.
9074         * tree-vectorizer: Likewise.
9075
9076 2005-07-21  Nick Clifton  <nickc@redhat.com>
9077
9078         * config/sh/symbian.c: Replace C++ style line comments with C
9079         style line comments.
9080         (symbian_add_attribute): Do not use a ? operator on the LHS of
9081         an assignment.
9082         (sh_symbian_handle_dll_attribute): Change the type of the
9083         method vector to "VEC(tree,gc)*" and use vector accessor
9084         macros to walk over the elements.
9085         (symbian_export_vtable_and_rtti_p): Likewise.
9086         (symbian_class_needs_attribute_p): Likewise.
9087
9088 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9089
9090         PR target/22085
9091         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9092         initialize targetm.resolve_overloaded_builtin here.
9093         (altivec_expand_overloaded_builtin): Make it non-static.
9094         * config/rs6000/rs6000-protos.h
9095         (altivec_expand_overloaded_builtin): New prototype.
9096         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9097         targetm.resolve_overloaded_builtin here.
9098         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9099
9100 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9101             Zdenek Dvorak  <dvorakz@suse.cz>
9102
9103         PR tree-optimization/19210
9104         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9105         New.
9106         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9107         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9108         rely on unproven assumptions.
9109         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9110         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9111         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9112         to number_of_iterations_exit.
9113         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9114         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9115         * tree-ssa-loop-niter.c (find_loop_niter,
9116         estimate_numbers_of_iterations_loop): Likewise.
9117         (number_of_iterations_exit): Honor the new options.
9118         * doc/invoke.texi (Wunsafe-loop-optimizations,
9119         funsafe-loop-optimizations): Document them.
9120
9121 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9122
9123         PR rtl-optimization/22167
9124         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9125
9126 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9127
9128         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9129         __do_global_dtors_aux longcall.
9130
9131 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9132
9133         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9134         (old_special_pred_table): Don't reference
9135         SPECIAL_MODE_PREDICATES.
9136         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9137         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9138         * config/sh/predicates.h: Don't mention
9139         SPECIAL_MODE_PREDICATES.
9140         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9141         Remove.
9142
9143 2005-07-20  DJ Delorie  <dj@redhat.com>
9144
9145         * config.gcc: Add m32c-elf support.
9146
9147         * doc/contrib.texi: Mention m32c.
9148         * doc/extend.texi: Document m32c extensions.
9149         * doc/install.texi: Mention m32c.
9150         * doc/invoke.texi: Document m32c options.
9151         * doc/md.texi: Document m32c constraints.
9152
9153         * config/m32c/addsub.md: New file.
9154         * config/m32c/bitops.md: New file.
9155         * config/m32c/cond.md: New file.
9156         * config/m32c/jump.md: New file.
9157         * config/m32c/m32c-lib1.S: New file.
9158         * config/m32c/m32c-lib2.c: New file.
9159         * config/m32c/m32c-modes.def: New file.
9160         * config/m32c/m32c-pragma.c: New file.
9161         * config/m32c/m32c-protos.h: New file.
9162         * config/m32c/m32c.abi: New file.
9163         * config/m32c/m32c.c: New file.
9164         * config/m32c/m32c.h: New file.
9165         * config/m32c/m32c.md: New file.
9166         * config/m32c/m32c.opt: New file.
9167         * config/m32c/minmax.md: New file.
9168         * config/m32c/mov.md: New file.
9169         * config/m32c/muldiv.md: New file.
9170         * config/m32c/predicates.md: New file.
9171         * config/m32c/prologue.md: New file.
9172         * config/m32c/shift.md: New file.
9173         * config/m32c/t-m32c: New file.
9174
9175 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9176
9177         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9178         (stack_protect_set, stack_protect_test): New expanders.
9179         (stack_protect_set_si, stack_protect_set_si_media,
9180         stack_protect_set_di_media, stack_protect_test_si,
9181         stack_protect_test_si_media, stack_protect_test_di_media):
9182         New insns.
9183
9184 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9185
9186         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9187
9188 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9189
9190         * tree.h (tree_expr_nonzero_p): Export.
9191         * fold-const.c (tree_expr_nonzero_p): Likewise.
9192         Return true for CALL_EXPRs that are alloca calls.
9193         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9194         against zero.
9195         * tree-flow.h (expr_computes_nonzero): Remove.
9196         * tree-vrp.c (expr_computes_nonzero): Remove.
9197         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9198         (extract_range_from_unary_expr): Likewise.
9199         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9200         tree_expr_nonzero_p.
9201
9202 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9203
9204         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9205         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9206         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9207         All callers changed.
9208         (frame_related_constant_load): New arg "related" which controls
9209         setting of RTX_FRAME_RELATED_P.  All callers changed.
9210         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9211         (bfin_expand_prologue): Add stack limit checking.
9212         * config/bfin/bfin.md (trapifcc): New pattern.
9213
9214         * config/bfin/bfin.c: Include "langhooks.h".
9215         (def_builtin): Go through lang_hooks to call builtin_function.
9216
9217         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9218         * config/bfin/predicates.md (symbol_ref_operand): New.
9219         (call_insn_operand): Delete.  All callers changed to use
9220         register_no_elim_operand.
9221         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9222         call_cookie field.
9223         (function_arg): Use it to generate the call's operand 2.
9224         (bfin_longcall_p): New function.
9225         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9226         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9227         determine if the address needs to be in a REG.
9228         (bfin_handle_longcall_attribute): New function.
9229         (bfin_attribute_table): Add "longcall" and "shortcall".
9230         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9231         (CUMULATIVE_ARGS): New member call_cookie.
9232         (PREDICATE_CODES): Add symbol_ref_operand.
9233         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9234         extra USE to the pattern.
9235         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9236         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9237         sibcall_value_insn; now the new patterns handle direct calls and the
9238         old ones indirect calls.
9239         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9240
9241 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9242
9243         * doc/trouble.texi: Update section on handling of empty loops.
9244
9245 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9246
9247         * config.gcc: Remove support for sparc-*-openbsd*,
9248         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9249         ns32k-*-netbsd*.
9250         * config.host: Remove support for i860-*-sysv4* as a host.
9251         * config/i860/*, config/ip2k/*, config/ns32k/*,
9252         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9253         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9254         mention obsolete ports.
9255
9256 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9257
9258         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9259         soft frame pointer.
9260         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9261         of frame_pointer_rtx.
9262         (sh_expand_epilogue): Likewise.
9263         (sh_set_return_address): Likewise.
9264         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9265         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9266         offsets from FRAME_POINTER_REGNUM.
9267         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9268         (sh_register_names): Add initializer for sfp.
9269         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9270         (VALID_REGISTER_P): Likewise.
9271         (FIRST_PSEUDO_REGISTER): Update.
9272         (DWARF_FRAME_REGISTERS): Define.
9273         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9274         (HARD_FRAME_POINTER_REGNUM): Define.
9275         (FRAME_POINTER_REGNUM): Redefine.
9276         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9277         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9278         from FRAME_POINTER_REGNUM.
9279         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9280         FRAME_POINTER_REGNUM.
9281         (REG_CLASS_CONTENTS): Add sfp.
9282         (REG_ALLOC_ORDER): Likewise.
9283         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9284         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9285         of frame_pointer_rtx.
9286         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9287
9288 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9289
9290         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9291         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9292         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9293         of an ABS_EXPR.
9294         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9295         ABS_EXPR<x>.
9296
9297 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9298
9299         Make CONSTRUCTOR use VEC to store initializers.
9300         * c-common.c (complete_array_type): Update to cope with VEC in
9301         CONSTRUCTOR_ELTS.
9302         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9303         (pp_c_constructor_elts): New function.
9304         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9305         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9306         struct constructor_stack, struct initializer_stack,
9307         constructor_elements, push_init_level, pop_init_level,
9308         add_pending_init, find_init_member, output_init_element): Update to
9309         cope with VEC in CONSTRUCTOR_ELTS.
9310         * coverage.c (build_fn_info_value, build_ctr_info_value,
9311         build_gcov_info): Likewise.
9312         * expr.c (categorize_ctor_elements_1, store_constructor,
9313         expand_expr_real_1): Likewise.
9314         * fold-const.c (fold_ternary): Likewise.
9315         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9316         gimplify_init_constructor, gimplify_expr): Likewise.
9317         * tree-dump.c (dequeue_and_dump): Likewise.
9318         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9319         node.
9320         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9321         CONSTRUCTOR_ELTS.
9322         * tree-sra.c (generate_element_init_1): Likewise.
9323         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9324         * tree-ssa-operands.c (get_expr_operands): Likewise.
9325         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9326         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9327         (get_initial_def_for_reduction): Likewise.
9328         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9329         value handle in annotations.
9330         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9331         tree_node_structure): Add support for constr_kind.
9332         (build_vector_from_ctor, build_constructor_single,
9333         build_constructor_from_list): New functions.
9334         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9335         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9336         Update to cope with VEC in CONSTRUCTOR_ELTS.
9337         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9338         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9339         CONSTRUCTOR_APPEND_ELT): New macros.
9340         (struct constructor_elt, struct tree_constructor): New data types.
9341         (union tree_node): Add tree_constructor field.
9342         * treestruct.def: Define TS_CONSTRUCTOR.
9343         * varasm.c (const_hash_1, compare_constant, copy_constant,
9344         compute_reloc_for_constant, output_addressed_constants,
9345         initializer_constant_valid_p, output_constant,
9346         array_size_for_constructor, output_constructor): Update to cope with
9347         VEC in CONSTRUCTOR_ELTS.
9348         * vec.h (VEC_empty, VEC_copy): New macros.
9349
9350 2005-07-19  Devang Patel  <dpatel@apple.com>
9351
9352         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9353
9354 2005-07-19  Richard Henderson  <rth@redhat.com>
9355
9356         PR tree-opt/22278
9357         * gimplify.c (gimplify_expr): Use main variant type for the temp
9358         destination for a discarded volatile read.
9359         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9360         casts between non-void types that change volatility.
9361
9362 2005-07-15  DJ Delorie  <dj@redhat.com>
9363
9364         * toplev.h: Add comment about the first parameter for warning().
9365         * errors.h: Likewise.
9366
9367         * c.opt (Wpragmas): New.
9368         * doc/invoke.texi: Document it.
9369
9370         * function.c (do_warn_unused_parameter): Add warning control to
9371         warning call.
9372         * c-decl.c (warn_if_shadowing): Likewise.
9373         * c-lex.c (cb_def_pragma): Likewise.
9374         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9375         (pop_alignment): Likewise.
9376         (handle_pragma_pack): Likewise.
9377         (apply_pragma_weak): Likewise.
9378         (handle_pragma_weak): Likewise.
9379         (handle_pragma_redefine_extname): Likewise.
9380         (add_to_renaming_pragma_list): Likewise.
9381         (handle_pragma_extern_prefix): Likewise.
9382         (maybe_apply_renaming_pragma): Likewise.
9383         (handle_pragma_visibility): Likewise.
9384
9385         * config/c4x/c4x-c.c (BAD): Likewise.
9386         (c4x_parse_pragma): Likewise.
9387         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9388         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9389         (rs6000_pragma_longcall): Likewise.
9390         * config/v850/v850-c.c (pop_data_area): Likewise.
9391         (ghs_pragma_section): Likewise.
9392         (ghs_pragma_section): Likewise.
9393         (ghs_pragma_interrupt): Likewise.
9394         (ghs_pragma_starttda): Likewise.
9395         (ghs_pragma_startsda): Likewise.
9396         (ghs_pragma_startzda): Likewise.
9397         (ghs_pragma_endtda): Likewise.
9398         (ghs_pragma_endsda): Likewise.
9399         (ghs_pragma_endzda): Likewise.
9400
9401 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9402             Kenneth Zadeck <zadeck@naturalbridge.com>
9403
9404         * Makefile.in: Removed tree-promote-statics.c
9405         * tree-promote-statics.c: Removed.
9406         * common.opt: Removed flag-promote-statics.
9407         * opts.c: Ditto.
9408         * passes.c: Removed tree-promote-statics pass.
9409         * tree-pass.h: Ditto.
9410         * timevar.def: Removed TV_PROMOTE_STATICS.
9411
9412
9413 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9414
9415         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9416         and *-*-freebsd9.
9417         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9418
9419 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9420
9421         PR c/22476
9422         * c-common.c (check_function_arguments): Call
9423         'check_function_format' if either -Wformat or
9424         -Wmissing-format-attribute are specified.
9425         * c-format.c (check_function_format): Check -Wformat before
9426         calling 'check_format_info'.
9427         * c-opts.c (c_common_post_options): Don't warn for
9428         -Wmissing-format-attribute without -Wformat.
9429         * c-typeck.c (convert_for_assignment): Detect additional cases for
9430         -Wmissing-format-attribute.
9431         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9432         behavior.
9433
9434 2005-07-19  Richard Guenther  <rguenther@suse.de>
9435
9436         * config/i386/i386.md (lrint<mode>2): Use temporary
9437         instead of clobbering non-existent memory.
9438
9439 2005-07-19  Nick Clifton  <nickc@redhat.com>
9440
9441         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9442         statement to avoid displaying ASCII control characters.
9443
9444 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9445
9446         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9447         * cfganal.c (find_edge_index): Ditto.
9448         * combine.c (combine_instructions): Ditto.
9449         * ddg.c (create_scc): Ditto.
9450         (find_successors): Ditto.
9451         (find_predecessors): Ditto.
9452         (find_nodes_on_paths): Ditto.
9453         (longest_simple_path): Ditto.
9454         * flow.c (update_life_info): Ditto.
9455         (count_or_remove_death_notes): Ditto.
9456         (clear_log_links): Ditto.
9457         * modulo-sched.c (generate_reg_moves): Ditto.
9458         (find_max_asap): Ditto.
9459         (find_max_hv_min_mob): Ditto.
9460         (find_max_dv_min_mob): Ditto.
9461         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9462         * sched-rgn.c (extract_edgelst): Ditto.
9463         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9464         (dump_update_ssa): Ditto.
9465         (ssa_names_to_replace) Ditto.
9466         (switch_virtuals_to_full_rewrite): Ditto.
9467         (update_ssa): Ditto.
9468         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9469
9470 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9471
9472         Fix PR tree-optimization/22483
9473
9474         * tree-complex.c (create_components): Use
9475         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9476         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9477         * tree-flow.h (safe_referenced_var_iterator): New structure.
9478         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9479         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9480         safe_referenced_var iterator.
9481         (add_type_alias): Ditto.
9482
9483 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9484
9485         * loop-init.c (rest_of_handle_loop2): Remove.
9486         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9487         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9488         (pass_rtl_loop_init, pass_rtl_loop_done,
9489         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9490         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9491         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9492         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9493         pass_tree_loop_done, and pass_tree_unswitch.
9494         (gate_loop): Rename to gate_tree_loop.
9495         * passes.c (init_optimization_passes): Update for renamed tree
9496         loop passes.  Add the new loop2 passes as subpasses of loop2.
9497         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9498         Update for the renamed tree loop passes.
9499
9500 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9501
9502         PR middle-end/22057
9503         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9504         blocks when optimizing.
9505
9506 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9507
9508         * common.opt (frename-registers): Initialize to 2.
9509         (fweb): Ditto.
9510         (fgcse-after-reload): Ditto.
9511         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9512         (process_options): Only change flag_web, flag_rename_registers,
9513         and flag_rerun_cse_after_loop if not explicitly set by user.
9514
9515 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9516
9517         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9518         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9519         in 64-bit mode the same as DImode in 32-bit mode.
9520         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9521         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9522         mode. Add new mode parameter.
9523         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9524         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9525         x86_64_shift_adj): New expanders.
9526         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9527         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9528         insns.
9529         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9530         DImode shift splitters.
9531         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9532         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9533         mode parameter.
9534
9535 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9536
9537         * i386.md (movdi_extzv_1): New.
9538         (zero_extendhidi2): Combine alternatives and never force use of
9539         REX64 prefix.
9540         (zero_extendqidi2): Likewise. Don't restrict input selection.
9541
9542 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9543
9544         Fix PR tree-optimization/22531
9545         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9546          moment.
9547
9548 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9549
9550         * tree-promote-statics.c (pass_promote_statics): Change dump file
9551          name.
9552
9553 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9554
9555         * tree-optimize.c (init_tree_optimization_passes): Add
9556         pass_eliminate_useless_stores pass.
9557         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9558         * tree-ssa-pre.c (is_copy_stmt): New function.
9559         (follow_copies_till_vuse): Ditto.
9560         (do_eustores): Ditto.
9561         (gate_eustores): Ditto.
9562
9563 2005-07-16  Richard Henderson  <rth@redhat.com>
9564
9565         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9566
9567 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9568            Kenneth Zadeck <zadeck@naturalbridge.com>
9569
9570         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9571         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9572         ipa-type-escape.h, tree-promote-statics.c
9573         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9574         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9575         tree-promote-statics.c: new files.
9576         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9577         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9578         int nonlocal_set_p, mark_constant_function): Deleted.
9579         (rest_of_handle_cfg): Removed call to mark_constant_function.
9580         (nonoverlapping_component_refs_p): Added calls to support
9581         type based aliasing.
9582         * tree-ssa-alias.c (may_alias_p,
9583         compute_flow_insensitive_aliasing): Ditto.
9584         * calls.c (flags_from_decl_or_type): Removed reference to
9585         cgraph_rtl_info.
9586         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9587         too many arguments.  This is necessary for Spec 2000.
9588         * cgraph.h (const_function, pure_function): Removed.
9589         * common.opt: Added "fipa-pure-const", "fipa-reference",
9590         "fipa-type-escape", and "ftree-promote-static".
9591         * opts.c: Ditto.
9592         * passes.c: Added ipa and tree-promote-statics passes.
9593         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9594         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9595         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9596         * tree-flow.h: Added exposed sra calls and addition of
9597         reference_vars_info field for FUNCTION_DECLS.
9598         * tree-pass.h: Added passes.
9599         * tree-sra.c: (sra_init_cache): New function.
9600         (sra_insert_before, sra_insert_after) Made public.
9601         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9602         and made public.
9603         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9604         aliasing. (may_alias_p): Added code to use type escape analysis to
9605         improve alias sets.
9606         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9607         code to prune clobbers of static variables based on information
9608         produced in ipa-reference pass.  Changed call clobbering so that
9609         statics are not marked as clobbered if the call does not clobber
9610         them.
9611
9612 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9613
9614         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9615         too.
9616
9617 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9618
9619         * doc/install.texi (*-*-solaris2*): Document recommended version
9620         of GNU binutils and mention GNU linker problem on Solaris 10.
9621
9622 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9623
9624         PR c/22421
9625         * c-decl.c (c_build_bitfield_integer_type): New function.
9626         (finish_struct): Call it.
9627         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9628
9629 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9630
9631         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9632         before returning.
9633
9634 2005-07-16  Jan Hubicka  <jh@suse.cz>
9635
9636         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9637         (scale_bbs_frequencies_int): Watch roundoff errors.
9638         * predict.c (return_prediction): Initialize return_stmt.
9639
9640 2005-07-16  Jan Hubicka  <jh@suse.cz>
9641
9642         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9643         after RTL profiling.
9644
9645 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9646
9647         PR middle-end/22398
9648         * fold-const.c (build_range_check): Convert high/low to etype
9649         if we are only comparing against exp.
9650
9651 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9652
9653         Fix PR tree-optimization/22376
9654         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9655         special var here.
9656         (need_to_solve): New function.
9657         (compute_points_to_sets): Use it.
9658
9659 2005-07-15  Jan Hubicka  <jh@suse.cz>
9660
9661         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9662         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9663
9664 2005-07-15  Richard Guenther  <rguenther@suse.de>
9665
9666         * c-common.c (handle_flatten_attribute): New function.
9667         Add flatten function attribute.
9668         * doc/extend.texi: Document flatten function attribute.
9669         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9670         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9671         New functions.
9672         (cgraph_decide_inlining): Handle functions with flatten
9673         attribute.
9674
9675 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9676
9677         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9678         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9679         UNSPEC_XCHG, UNSPEC_AND): New.
9680         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9681         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9682         * config/rs6000/sync.md (FETCHOP): New code macro.
9683         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9684         New code attrs.
9685         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9686         (sync_compare_and_swap<mode>): Same.
9687         (sync_lock_test_and_set<mode>): Same.
9688         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9689         for QImode and HImode, and not PPC405.
9690         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9691         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9692         (sync_<fetchop>{si,di}_internal): New.
9693         (sync_nand{si,di}_internal): New.
9694         (sync_old_<fetchop>{si,di}_internal): New.
9695         (sync_old_nand{si,di}_internal): New
9696         (sync_new_<fetchop>{si,di}_internal): New.
9697         (sync_new_nand{si,di}_internal): New.
9698         (atomic_and{si,di}): New.
9699         (sync_new_nand{si,di}_internal): New.
9700         (atomic_and{si,di}): New.
9701         (sync_add<mode>_internal): Delete.
9702         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9703         (sync_sub<mode>_internal): Delte.
9704         (sync_subshort_internal): New.
9705         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9706         (sync_anddi_internal): Delete.
9707         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9708         (sync_booldi_internal): Delete.
9709         (sync_boolc<mode>_internal): Delete.
9710         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9711         (sync_boolc<mode>_internal2): Delete.
9712         (sync_boolcc<mode>_internal): Delete.
9713         (isync, lwsync): Use unspec instead of unspec_volatile.
9714         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9715         Revert UNSPEC_VOLATILE.
9716         (rs6000_split_atomic_op): New.
9717         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9718
9719 2005-07-14  Eric Christopher  <echristo@redhat.com>
9720
9721         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9722         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9723
9724 2005-07-14  Eric Christopher  <echristo@redhat.com>
9725
9726         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9727
9728 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9729
9730         PR tree-optimization/22230
9731         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9732         the computation of the four cross productions for "range op range".
9733
9734 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9735             Ulrich Weigand  <uweigand@de.ibm.com>
9736
9737         PR target/20126
9738         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9739         in some insn.
9740
9741 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9742
9743         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9744
9745 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9746
9747         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9748
9749 2005-07-14  Richard Guenther  <rguenther@suse.de>
9750
9751         PR middle-end/22347
9752         * config/i386/i386-protos.h (ix86_function_value): Change
9753         prototype to match new target hook.
9754         * config/i386/i386.c (ix86_value_regno): Change prototype
9755         to take extra type argument.
9756         (TARGET_FUNCTION_VALUE): Define.
9757         (ix86_function_ok_for_sibcall): Pass extra argument to
9758         ix86_value_regno, check return slot rtx for exact match.
9759         (ix86_function_value): Take extra parameter.  Dispatch to
9760         ix86_value_regno with fndecl/fntype as provided.
9761         (ix86_value_regno): Handle extra type argument.
9762         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9763
9764         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9765         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9766         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9767         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9768         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9769
9770 2005-07-14  Richard Guenther  <rguenther@suse.de>
9771
9772         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9773         * calls.c (expand_call): Pass fntype to hard_function_value.
9774         (emit_library_call_value_1): Likewise.
9775         * explow.c: Include target.h.
9776         (hard_function_value): Take extra argument, the fntype.
9777         Use new target hook for function_value.
9778         * expr.h (hard_function_value): Change prototype.
9779         * function.c (aggregate_value_p): Pass 0 as fntype to
9780         hard_function_value.
9781         (assign_parms): Use new target hook for function_value.
9782         Pass 0 as fntype to hard_function_value.
9783         (expand_function_end): Likewise.
9784         * reg-stack.c: Include target.h.
9785         (stack_result): Use new target hook for function_value.
9786         * target-def.h: New target hook function_value.
9787         * target.h: Likewise.
9788         * targhooks.c (default_function_value): New function.
9789         * targhooks.h (default_function_value): Declare.
9790
9791 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9792
9793         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9794
9795 2005-07-14  Jan Hubicka  <jh@suse.cz>
9796
9797         * tree-dfa.c (dump_variable): Use default_def function.
9798         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9799         * tree-ssa.c (verify_use): Likewise.
9800         * tree-ssanames.c (release_ssa_name): Likewise.
9801         * tree-tailcall.c (eliminate_tail_call): Likewise.
9802         (tree_optimize_tail_calls_1): Likewise.
9803         * tree-vrp.c (get_value_range): Likewise.
9804
9805 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9806
9807         * gcc.c (main): Compare language[0] with '*' when iterating over
9808         the infiles.
9809
9810 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9811
9812         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9813         "s390_emit_compare".  Add handling of CCZ1mode.
9814         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9815         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9816         checking.
9817         (s390_branch_condition_mask): Add CCZ1mode handling.
9818         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9819         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9820         Use CCZ1mode instead of CCZmode.
9821         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9822
9823 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9824
9825         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9826         pattern.
9827         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9828
9829 2005-07-13  Eric Christopher  <echristo@redhat.com>
9830
9831         * config/mips/mips.c (mips_canonicalize_comparison): New.
9832         (mips_emit_int_relational): Use.
9833
9834 2005-07-13  Eric Christopher  <echristo@redhat.com>
9835
9836         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9837         static extra parts.
9838         * config/s390/s390.md: Include tpf.md. Move tpf specific
9839         patterns...
9840         * config/s390/tpf.md: To here.
9841         * config/s390/s390.opt: Move tpf specific options...
9842         * config/s390/tpf.opt: to here. Add mmain option.
9843         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9844         * config/s390/tpf.h: Rewrite.
9845
9846 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9847
9848         * doc/tm.texi: Remove @xref{Cross-profiling}.
9849
9850 2005-07-13  Jeff Law  <law@redhat.com>
9851
9852         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9853         expressions, test their _DECL operands for pointer equality rather
9854         than using operand_equal_p.
9855
9856 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9857
9858         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9859         (TARGET_POSIX_IO): This.
9860         * config/darwin.h: Likewise.
9861         * config/freebsd.h: Likewise.
9862         * config/linux.h: Likewise.
9863         * config/lynx.h: Likewise.
9864         * config/netbsd.h: Likewise.
9865         * config/rs6000/linux64.h: Likewise.
9866         * config/rs6000/linux.h: Likewise.
9867         * config/s390/tpf.h: Likewise.
9868         * config/sh/embed-elf.h: Likewise.
9869         * config/sparc/linux64.h: Likewise.
9870         * config/sparc/linux.h: Likewise.
9871         * config/svr4.h: Likewise.
9872         * gcov-io.h: Likewise.
9873
9874         * doc/tm.texi: Updated.
9875
9876         * libgcov.c (create_file_directory): Defined only if
9877         TARGET_POSIX_IO is defined.
9878         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9879         is defined.
9880
9881 2005-07-13  Jan Hubicka  <jh@suse.cz>
9882
9883         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9884
9885 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9886
9887         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9888         structure as argument.
9889
9890 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9891
9892         PR tree-optimization/21921
9893         * tree-iterator.c (tsi_link_before): Support the case when
9894         tsi_end_p (tsi) == true.
9895
9896 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9897
9898         PR tree-optimization/22442
9899         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9900         correctly.
9901
9902 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9903
9904         PR rtl-optimization/20376
9905         * toplev.c (process_options): Enable -fweb and -frename-registers when
9906         unrolling.
9907         * doc/invoke.texi: Update the information about when -fweb and
9908         -frename-registers are enabled.
9909
9910 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9911
9912         PR tree-opt/21840
9913         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9914         if *rhs_p is not a SSA_NAME.
9915
9916 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9917
9918         Fix PR tree-optimization/22422
9919         * tree-ssa-structalias.c (struct variable_info): Add flag for
9920         special vars.
9921         (get_varinfo): Now a static function.
9922         (new_varinfo): init has_union and is_special_var to false.
9923         (solution_set_add): Check has_union.
9924         (do_da_constraint): Move temporary variable so it gets reset
9925         properly.
9926         Also check for special variable.
9927         (do_ds_constraint): Ditto.
9928         (do_sd_constraint): Ditto.
9929         (do_structure_copy): Check for special variable.
9930         (find_func_aliases): Ditto.
9931         (init_base_vars): Set special vars properly.
9932
9933 2005-07-13  Jan Hubicka  <jh@suse.cz>
9934
9935         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9936         do unit-at-a-time.
9937
9938         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9939         (get_expr_operands): Fix thinko wrt flags and subvars.
9940
9941         PR tree-optimize/22379
9942         * tree-inline.c (expand_call_inline): Do not output sorry in early
9943         inlining.
9944
9945 2005-07-12  Dale Johannesen  <dalej@apple.com>
9946
9947         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9948
9949 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9950
9951         PR bootstrap/21704
9952         * host-linux.h: Include limits.h.
9953
9954 2005-07-12  Dale Johannesen  <dalej@apple.com>
9955
9956         * expr.c (compress_float_constant):  Add cost check.
9957         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9958
9959 2005-07-12  Dale Johannesen  <dalej@apple.com>
9960
9961         * gcc.target/i386/compress-float-sse.c:  New.
9962         * gcc.target/i386/compress-float-sse-pic.c:  New.
9963         * gcc.target/i386/compress-float-387.c:  New.
9964         * gcc.target/i386/compress-float-387-pic.c:  New.
9965         * gcc.dg/compress-float-ppc.c:  New.
9966         * gcc.dg/compress-float-ppc-pic.c:  New.
9967
9968 2005-07-12  Eric Christopher  <echristo@redhat.com>
9969
9970         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9971         static extra parts.
9972         * config/s390/s390.md: Include tpf.md. Move tpf specific
9973         patterns...
9974         * config/s390/tpf.md: To here.
9975         * config/s390/s390.opt: Move tpf specific options...
9976         * config/s390/tpf.opt: to here. Add mmain option.
9977         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9978         * config/s390/tpf.h: Rewrite.
9979
9980 2005-07-12  Eric Christopher  <echristo@redhat.com>
9981
9982         * gcc.c (struct infile): Update comment for language.
9983         (main): Rewrite input file resetting code.
9984
9985 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9986
9987         PR tree-opt/22335
9988         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9989         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9990         (lookup_avail_expr): Use constant_boolean_node instead
9991         of boolean_false_node/boolean_true_node.
9992
9993 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9994
9995         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9996         and use it when printing num_edges.
9997
9998 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9999
10000         * doc/extend.texi (Blackfin Built-in Functions): New section.
10001         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10002         @opindex.
10003
10004 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10005
10006         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10007         s/cmpstrsi/cmpstrnsi
10008         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10009         'cmpstrnsi'.
10010         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10011         (init_optabs): Initialize cmpstrn_optab.
10012         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10013         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10014         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10015         * config/i386/i386.md: s/cmpstr/cmpstrn
10016         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10017         * doc/md.texi: Update documentation.
10018
10019 2005-07-11  Richard Henderson  <rth@redhat.com>
10020
10021         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10022         build_va_arg_indirect_ref.
10023         (alpha_gimplify_va_arg): Likewise.
10024         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10025         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10026         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10027         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10028         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10029         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10030         Likewise.
10031         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10032
10033 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10034
10035         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10036         * passes.c (init_optimization_passes): Add pass_empty_loop.
10037         * tree-pass.h (pass_empty_loop): Declare.
10038         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10039         try_remove_empty_loop, remove_empty_loops): New functions.
10040         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10041         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10042
10043 2005-07-12  Peter Barada  <peter@the-baradas.com>
10044
10045         PR middle-end/16719
10046         PR middle-end/18421
10047         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10048         in address registers.
10049         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10050         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10051         alternative of addsi3_5200.
10052
10053 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10054
10055         * config/mips/mips.md (ffs<mode>2): Remove.
10056
10057 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10058
10059         * doc/tree-ssa.texi (Cleanups): Improve description of
10060         TRY_FINALLY_EXPR.
10061         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10062
10063 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10064
10065         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10066         * tree.h (DECL_ARGUMENT_FLD): New macro.
10067
10068 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10069
10070         Fix PR tree-optimization/22404
10071
10072         * tree-ssa-structalias.c (create_variable_info_for): Use
10073         correct offset.
10074
10075 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10076
10077         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10078         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10079         for second comparison operand.
10080         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10081
10082         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10083         (define_insn_reservation "alu"): Likewise.
10084         (csync, ssync): Now of type sync.
10085         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10086         -mcsync-anomaly -mspecld-anomaly.
10087         * config/bfin/bfin.opt (mcsync): Remove.
10088         (mcsync-anomaly, mspecld-anomaly): Add.
10089         * config/bfin/bfin.c: Include "insn-codes.h".
10090         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10091         (TARGET_DEFAULT_TARGET_FLAGS): New.
10092         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10093
10094 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10095
10096         * basic-block.h: Give the BB flags enum a name, bb_flags.
10097         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10098         * cfgcleanup.c (enum bb_flags): Remove here.
10099         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10100         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10101         (update_forwarder_flag): Likewise.
10102         (thread_jump): Likewise.
10103         (try_forward_edges): Likewise.
10104         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10105         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10106         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10107
10108 2005-07-11  Richard Guenther  <rguenther@suse.de>
10109
10110         * config/i386/i386.opt: New target option -msseregparm.
10111         * config/i386/i386.c (override_options): Error out for
10112         -msseregparm but no SSE support.
10113         (ix86_function_sseregparm): Check for global sseregparm.
10114         * doc/invoke.texi: Document -msseregparm.
10115
10116 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10117
10118         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10119         (m32rle-*-linux*): Ditto.
10120
10121 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10122
10123         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10124         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10125         bytes.
10126
10127 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10128
10129         PR middle-end/22239
10130         PR target/20126
10131         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10132         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10133
10134 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10135
10136         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10137         (varmap): Heapify varmap.
10138         (constraints): Heapify constraints.
10139         (struct constraint_graph): Heapify succs and preds.
10140         (constraint_vec_find): Update for heapification.
10141         (constraint_set_union): Ditto.
10142         (insert_into_complex): Ditto.
10143         (constraint_edge_vec_find): Ditto.
10144         (erase_graph_self_edge): Ditto.
10145         (add_graph_edge): Ditto.
10146         (get_graph_weights): Ditto.
10147         (merge_graph_nodes): Ditto.
10148         (build_constraint_graph): Ditto.
10149         (topo_visit): Ditto.
10150         (solve_graph): Ditto.
10151         (create_variable_info_for): Ditto.
10152         (init_base_vars): Ditto.
10153         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10154         (condese_varmap_nodes): Free complex vector.
10155         (clear_edges_for_node): Clear succs and preds vector.
10156
10157 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10158
10159         * tree-ssa-structalias.c (update_alias_info): Change counting of
10160         references to not include vdefs.
10161
10162 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10163
10164         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10165         (up_insert): Ditto.
10166
10167 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10168
10169         * pa.c (pa_commutative_p): Make PLUS commutative when
10170         TARGET_NO_SPACE_REGS is true.
10171
10172 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10173
10174         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10175         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10176         * tree-dfa.c (dump_subvars_for): New.
10177         (debug_subvars_for): New.
10178         (dump_variable): Show subvariables if VAR has them.
10179         * tree-flow-inline.h (get_subvar_at): New.
10180         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10181         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10182         Update all users.
10183         (struct subvar): Change fields offset and size to unsigned
10184         HOST_WIDE_INT.
10185         (dump_subvars_for): Declare.
10186         (debug_subvars_for): Declare.
10187         (get_subvar_at): Declare.
10188         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10189         to unsigned HOST_WIDE_INT *.
10190         (overlap_subvar): Likewise.
10191         * tree-gimple.c (is_gimple_reg): Always return false for
10192         SFTs and memory tags.
10193         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10194         Update all callers.
10195         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10196         (compute_may_aliases): Call compute_points_to_sets.
10197         (collect_points_to_info_for): Remove.
10198         (compute_points_to_and_addr_escape): Remove.
10199         (delete_alias_info): Call delete_points_to_sets.
10200         (compute_flow_sensitive_aliasing): If the call to
10201         find_what_p_points_to returns false, call set_pt_anything.
10202         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10203         (set_pt_anything): Clear pi->pt_vars.
10204         (set_pt_malloc): Remove.
10205         (merge_pointed_to_info): Remove.
10206         (add_pointed_to_expr): Remove.
10207         (add_pointed_to_var): Remove.
10208         (collect_points_to_info_r): Remove.
10209         (is_escape_site): Make extern.
10210         (create_sft): New.
10211         (create_overlap_variables_for): Call it.
10212         * tree-ssa-copy.c (merge_alias_info): Never merge
10213         flow-sensitive alias information.
10214         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10215         offset and size to be unsigned HOST_WIDE_INT.
10216         (add_to_addressable_set): Rename from note_addressable.
10217         Set TREE_ADDRESSABLE as the variables are added to the set.
10218         Update all users.
10219         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10220         operands into VUSEs when adding V_MAY_DEFs for members in an
10221         alias set.
10222         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10223         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10224         (struct variable_info): Add bitfield is_heap_var.
10225         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10226         (new_var_info): Initialize is_heap_var.
10227         (get_constraint_for): Add HEAP variables to the symbol table.
10228         Mark them with is_heap_var.
10229         (update_alias_info): New.  Taken mostly from the old
10230         compute_points_to_and_addr_escape.
10231         (handle_ptr_arith): New.
10232         (find_func_aliases): Call update_alias_info.
10233         Call handle_ptr_info for tcc_binary expressions.
10234         Call mark_stmt_modified.
10235         (create_variable_info_for): If DECL has subvars, do not create
10236         variables for its subvars.  Always add all the fields.
10237         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10238         SFTs, then add all the SFTs of the structure.
10239         If VI->DECL is an aggregate with subvariables, add the SFT at
10240         VI->OFFSET.
10241         (find_what_p_points_to): If VI is an artificial variable,
10242         translate to bitfields in SSA_NAME_PTR_INFO.
10243         If the solution is empty, set pi->pt_vars to NULL
10244         (init_base_vars): Create ANYOFFSET.
10245         (compute_points_to_sets): Rename from create_alias_vars.
10246         Make extern.
10247         (pass_build_pta): Remove.
10248         (delete_points_to_sets): Rename from delete_alias_vars.
10249         (pass_del_pta): Remove.
10250         * tree-ssa-structalias.h (struct alias_info): Move from
10251         tree-ssa-alias.h.
10252         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10253         NUM_REFERENCES_SET): Likewise.
10254         (compute_points_to_sets, delete_points_to_sets): Declare.
10255
10256 2005-07-09  Richard Henderson  <rth@redhat.com>
10257
10258         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10259         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10260         alpha_split_lock_test_and_set_12): New functions.
10261         * config/alpha/alpha-protos.h: Update.
10262         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10263         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10264         * config/alpha/sync.md (I12MODE): New.
10265         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10266         (sync_<fetchop_name><I48MODE>): Likewise.
10267         (sync_nand<I48MODE>): Likewise.
10268         (sync_old_<fetchop_name><I48MODE>): Likewise.
10269         (sync_new_<fetchop_name><I48MODE>): Likewise.
10270         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10271         (sync_compare_and_swap<I48MODE>): Likewise.
10272         (sync_lock_test_and_set<I48MODE>): Likewise.
10273         (sync_compare_and_swap<I12MODE>): New.
10274         (sync_compare_and_swap<I12MODE>_1): New.
10275         (sync_lock_test_and_set<I12MODE>): New.
10276         (sync_lock_test_and_set<I12MODE>_1): New.
10277
10278 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10279
10280         PR 21356
10281         PR 22332
10282         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10283
10284 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10285
10286         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10287         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10288
10289 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10290
10291         PR target/21656
10292         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10293
10294 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10295
10296         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10297         memory_operand constraint.
10298         (store_conditional_<mode>): Same.
10299         (sync_compare_and_swap<mode>): Same.
10300         (sync_lock_test_and_set<mode>): Same.
10301
10302 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10303
10304         Rewrite PIC support to more closely model actual instructions.
10305         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10306         (cris_symbol): Remove prototypes for removed functions.
10307         (cris_pic_symbol_type_of, cris_valid_pic_const)
10308         (cris_expand_pic_call_address): Prototypes for new functions.
10309         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10310         variable.
10311         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10312         modifiers.
10313         <case ':'>: Add case for new punctuation character.
10314         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10315         emitting (extra) PIC modifier.
10316         <case UNSPEC>: Do not assert for PLT.
10317         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10318         (cris_expand_prologue, cris_expand_epilogue): Check
10319         for pic_offset_table_rtx usage instead of taking
10320         current_function_uses_pic_offset_table as the final word.
10321         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10322         Remove flag_pic difference.
10323         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10324         the moral equivalents of...
10325         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10326         functions.
10327         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10328         (cris_handle_option): Mark ARG as unused.
10329         (cris_expand_pic_call_address): New worker function for "call",
10330         "call_value".
10331         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10332         output PIC constructs here.
10333         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10334         as symbol-specific modifers, not whole or part of operands.
10335         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10336         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10337         constants and flag_pic.
10338         (CONSTANT_INDEX_P): Adjust for new functions.
10339         (enum cris_pic_symbol_type): New helper type.
10340         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10341         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10342         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10343         define_constants.
10344         ("movsi"): Emit actual instructions for GOT and relative access.
10345         ("*movsi_got_load"): New pattern to set up the register holding
10346         the GOT pointer.
10347         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10348         Adjust FIXME for 'S'.
10349         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10350         Use "movs" for -fpic cases.
10351         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10352         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10353         ("call", "call_value"): Just call cris_expand_pic_call_address for
10354         PIC addresses.
10355         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10356         Remove special pattern.
10357         ("*expanded_call_side", "*expanded_call_value_side"): New
10358         patterns.
10359         (gotplt-to-plt, gotplt-to-plt-side-call)
10360         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10361         peephole2:s.
10362         * config/cris/cris/predicates.md
10363         ("cris_general_operand_or_gotless_symbol"): Remove unused
10364         predicate.
10365         ("cris_general_operand_or_symbol"): Adjust for new functions.
10366
10367 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10368
10369         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10370
10371 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10372
10373         * Makefile.in (TREE_H): Add treestruct.def.
10374         (c-decl.o): Add pointer-set.h
10375         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10376         visibility on regular DECL's.
10377         (merge_decls): Fix the copying of decl nodes of various types for
10378         the new structures.  Don't update RTL, section name, weak status,
10379         etc, on DECL's without RTL.
10380         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10381         Don't check volatile on non-variable types.
10382         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10383         to check whether we have seen arguments.
10384         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10385         flag is checked before field (flag is common, field is not).
10386         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10387         TS_DECL_COMMON could have an origin.
10388         (add_location_or_const_value_attribute): Don't check section name
10389         on non-var/function decls.
10390         (dwarf2out_var_location): Reverse order of tests.
10391         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10392         with DECL_WRTL_CHECK.
10393         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10394         * fold-const.c (fold_binary): Don't check weakness on
10395         non-var/function decls.
10396         (tree_expr_nonzero_p): Ditto.
10397         (fold_checksum_tree): Use tree_decl_extra as sizeof
10398         buffer.
10399         * ggc-page.c (extra_order_size_table): Add sizes for
10400         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10401         tree_field_decl.
10402         * gimplify.c (gimplify_bind_expr): Only set
10403         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10404         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10405         without RTL.
10406         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10407         * langhooks.h (init_ts). New langhook.
10408         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10409         * print-tree.c (print_node): Update to only print fields that
10410         exist in the structures the passed decl has.
10411         * toplev.c (wrapup_global_declarations): Don't reset
10412         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10413         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10414         * tree-inline.c (remap_decl): Ditto.
10415         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10416         * tree-pretty-print.c (print_declaration): Don't print
10417         DECL_REGISTER on things that don't contain it.
10418         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10419         non-var/function decls.
10420         * tree.c (tree_contains_struct): New structure.
10421         (init_priority_for_decl): New hashtable.
10422         (tree_int_map): New structure.
10423         (tree_int_map_eq): New function.
10424         (tree_int_map_marked_p): Ditto.
10425         (tree_int_map_hash): Ditto.
10426         (tree_map): Move to tree.h.
10427         (tree_map_eq): Externalize.
10428         (tree_map_hash): Ditto.
10429         (tree_map_marked_p): Ditto.
10430         (init_ttree): Set up tree_contains_struct and call langhook.
10431         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10432         (tree_code_size): Update for new structures.
10433         (tree_node_structure): Update for new structures.
10434         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10435         without the field.
10436         (copy_node_stat):  Copy init priority.
10437         (build_decl_stat): Ditto for visibility.
10438         (ts_enum_names): New.
10439         (tree_contains_struct_check_failed): New function.
10440         (decl_init_priority_lookup): Ditto.
10441         (decl_init_priority_insert): Ditto.
10442         * treestruct.def: New file.
10443         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10444         (CONTAINS_STRUCT_CHECK): Ditto.
10445         (tree_contains_struct_check_failed): New prototype.
10446         (DECL_CHECK): Removed.
10447         (DECL_MINIMAL_CHECK): New.
10448         (DECL_COMMON_CHECK): Ditto.
10449         (DECL_WRTL_CHECK): Ditto.
10450         (DECL_NON_COMMON_CHECK): Ditto.
10451         (DECL_WITH_VIS_CHECK): Ditto.
10452         (VAR_OR_FUNCTION_DECL_P): Ditto
10453         (struct tree_decl_minimal): New structure.
10454         (struct tree_decl_common): Ditto.
10455         (struct tree_decl_with_rtl): Ditto.
10456         (struct tree_decl_with_vis): Ditto.
10457         (struct tree_decl_non_common): Ditto.
10458         (struct tree_field_decl): Ditto.
10459         (struct tree_parm_decl): Ditto.
10460         (struct tree_var_decl): Ditto.
10461         (struct tree_function_decl): Ditto.
10462         (struct tree_const_decl): Ditto.
10463         (struct tree_result_decl): Ditto.
10464         (union tree_node): Add new structures.
10465         * var-tracking.c (track_expr_p): Reverse order of tests.
10466
10467         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10468
10469 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10470
10471         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10472         * system.h: Poison FINALIZE_PIC.
10473         * doc/tm.texi (FINALIZE_PIC): Remove.
10474
10475 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10476
10477         PR tree-opt/22329
10478         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10479         to the correct type if we have a MODIFY_EXPR.
10480
10481 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10482
10483         PR tree-optimization/22360
10484         * tree.c (upper_bound_in_type): Fix calculations for casting
10485         to a non-wider signed type and casting a signed value to a
10486         wider unsigned type.
10487         (lower_bound_in_type): Fix calculations for casting to a
10488         non-wider signed type.
10489
10490         PR tree-optimization/20139
10491         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10492         release_defs.
10493         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10494         fold_cond_expr_cond.
10495         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10496         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10497
10498 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10499
10500         PR tree-opt/22356
10501         * tree-complex.c (expand_complex_libcall): Produce
10502         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10503
10504 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10505
10506         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10507         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10508         b" assert and inserted fastpath code for this case.
10509         (bitmap_ior): Removed "a != b" assert.
10510
10511 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10512
10513         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10514         (ENDFILE_SPEC): Likewise.
10515         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10516
10517         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10518         a large stack frame at epilogue.
10519
10520 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10521
10522         * final.c: Include sdbout.h when required.
10523
10524 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10525
10526         * config.gcc (*-*-darwin*): Only one target-specific header file
10527         for generic darwin.
10528         (powerpc-*-darwin*): Add version-specific header files.
10529         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10530         * config.in: Regenerate.
10531         * configure: Regenerate.
10532         * gcc.c: Include xregex.h.
10533         (version_compare_spec_function): New.
10534         (spec_function): Add version-compare.
10535         (replace_outfile_spec_function): Reformat comment.
10536         (compare_version_strings): New.
10537         * config/darwin-c.c (version_as_macro): New.
10538         (builtin_define): New.
10539         (darwin_cpp_builtins): New.
10540         * config/darwin-protos.h (darwin_cpp_builtins): New.
10541         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10542         (LIB_SPEC): Make unconditional, update comment.
10543         (TARGET_C99_FUNCTIONS): Define.
10544         * config/darwin.opt: Sort.
10545         (mmacosx-version-min=): New.
10546         * config/darwin7.h: Delete.
10547         * config/darwin8.h: Delete.
10548         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10549         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10550         (TARGET_C99_FUNCTIONS): Define.
10551         * config/rs6000/darwin7.h: New.
10552         * config/rs6000/darwin8.h: New.
10553         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10554         (-mmacosx-version-min): Document.
10555
10556 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10557
10558         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10559
10560 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10561
10562         PR middle-end/22239
10563         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10564
10565 2005-07-07  Khem Raj  <kraj@mvista.com>
10566
10567         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10568         in bytes, not words.
10569
10570 2005-07-07  Paul Brook  <paul@codesourcery.com>
10571
10572         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10573         DEFAULT_FUNCTION_ARG_PADDING to upward.
10574
10575 2005-07-07  Richard Henderson  <rth@redhat.com>
10576
10577         * function.c (locate_and_pad_parm): Record parameter alignment in
10578         stack_alignment_needed.
10579
10580 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10581
10582         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10583         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10584         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10585         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10586         (define_attr "type"): Add isync, sync, load_l, store_c.
10587         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10588         Create scratch volatile MEM.
10589         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10590         sync.
10591         (load_locked_<mode>): New.
10592         (store_conditional_<mode>): New.
10593         (sync_compare_and_swap<mode>): Replace with splitter.
10594         (sync_lock_test_and_set<mode>): Replace with splitter.
10595         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10596         and UNSPECV_ISYNC.
10597         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10598         is ics.  Attribute isync.
10599         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10600         lwsync.
10601         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10602         and UNSPECV_SYNC_OP.
10603         (emit_unlikely_jump): New.
10604         (emit_load_locked): New.
10605         (emit_store_conditional): New.
10606         (rs6000_split_compare_and_swap): New.
10607         (rs6000_split_lock_test_and_set): New.
10608         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10609         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10610         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10611         rs6000_split_lock_test_and_set): Declare.
10612         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10613         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10614         store_c, isync, sync.
10615
10616 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10617
10618         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10619         filenames to gtyp-gen.h.
10620         (s-typ-gen): Use it in place of for loops.
10621
10622 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10623
10624         * hooks.c (hook_bool_rtx_int_false): New function.
10625         * hooks.h (hook_bool_rtx_int_false): Declare.
10626         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10627         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10628         * target.h (struct gcc_target): Add commutative_p member.
10629         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10630         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10631         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10632         (pa_commutative_p): New function.
10633         * jump.c (target.h): Include.
10634         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10635         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10636
10637 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10638
10639         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10640         (s390_expand_setmem): New.
10641         * config/s390/s390.c: Likewise.
10642         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10643         Adapt comments.
10644         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10645         general_operand.  Call new function "s390_expand_setmem".
10646         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10647         ("setmem_long", "*setmem_long"): ... this.
10648
10649 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10650
10651         * config/s390/s390.c: (optimization_options): Enable
10652         TARGET_MVCLE at -Os.
10653         * doc/invoke.texi: Document changes in default behaviour.
10654         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10655
10656 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10657
10658         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10659         defined by back-end.
10660
10661 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10662
10663         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10664         all sets in the pattern.
10665         * config/rs6000/rs6000.md (stack_protect_testsi,
10666         stack_protect_testdi): Likewise.
10667
10668 2005-07-06  Jeff Law  <law@redhat.com>
10669
10670         * tree-vrp.c (simplify_using_ranges): Kill.
10671         (vrp_finalize): Remove call to simplify_using_ranges.
10672         (simplify_stmt_using_ranges): New function extracted from
10673         simplify_using_ranges.
10674         (simplify_div_or_mod_using_ranges): Likewise.
10675         (simplify_abs_using_ranges): Likewise.
10676         (simplify_cond_using_ranges): New function.
10677         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10678         * tree-ssa-propagate.c (substitute_and_fold): Call
10679         simplify_stmt_using_ranges if we have range information.
10680
10681 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10682
10683         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10684         ia64_flag_schedule_isns2.
10685
10686         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10687         reading/writing general registers.
10688         (ia64_function_arg): Revert 2005-06-18 change.
10689
10690 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10691
10692         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10693         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10694
10695 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10696
10697         * function.c (expand_function_end): Revert part of 2005-06-27
10698         patch.  Do sjlj_emit_function_exit_after after return_label.
10699
10700 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10701
10702         * doc/install.texi (--disable-libssp): New.
10703
10704 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10705
10706         * doc/invoke.texi: Update -fforce-mem documentation.
10707         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10708         code for -fforce-mem.
10709         * expmed.c: (store_bit_field,store_fixed_bit_field,
10710         extract_bit_field): Ditto.
10711         * expr.c: (convert_move): Ditto.
10712         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10713         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10714         emit_conditional_add,expand_float,expand_fix): Ditto.
10715         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10716         (common_handle_option): Issue warning when -fforce-mem specified.
10717
10718 2005-07-06  Paul Brook  <paul@codesourcery.com>
10719
10720         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10721         argument is empty.
10722         * configure: Regenerate.
10723
10724 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10725
10726         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10727
10728 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10729
10730         Fix PR tree-optimization/22319
10731         Fix PR tree-optimization/22140
10732         Fix PR tree-optimization/22310
10733
10734         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10735         variable sized types.
10736         Use correct type for intermediate structure on *a = *b structure
10737         copies.
10738
10739 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10740
10741         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10742         Remove.
10743         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10744         (machine_function): Move typedef to...
10745         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10746         varargs_save_offset field.
10747         (rs6000_stack_t): Remove varargs_size field.
10748         (setup_incoming_varargs): Allocate varargs save area using
10749         assign_stack_local, try to make it as small as possible.
10750         Save offset from virtual_stack_vars_rtx to the save area
10751         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10752         instead of magic 8 when fp word byte size is used.
10753         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10754         instead of -RS6000_VARARGS_SIZE.
10755         (rs6000_stack_info, debug_stack_info,
10756         rs6000_initial_elimination_offset): Remove all traces of
10757         varargs_size.
10758         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10759         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10760         RS6000_VARARGS_AREA.
10761
10762 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10763
10764         PR tree-optimization/21963
10765         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10766         constant_multiple_of in the same way get_computation_cost_at does.
10767
10768 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10769
10770         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10771         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10772         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10773         and return its previous value.
10774         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10775         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10776         constants.
10777         (stack_protect_set, stack_protect_test): New expanders.
10778         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10779         stack_protect_testdi): New insns.
10780         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10781         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10782
10783 2005-07-06  Jeff Law  <law@redhat.com>
10784
10785         * tree-ssa-dce.c (cfg_altered): New global.
10786         (tree_dce_init): Initialize cfg_altered.
10787         (remove_dead_stmt): If we remove an edge in the CFG, then set
10788         CFG_ALTERED.
10789         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10790         the dominators.
10791
10792 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10793
10794         * Makefile.in (stamp-collect-ld): Use
10795         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10796         ./collect-ld if it already exists.
10797         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10798         Don't remove ./nm if it already exists.
10799
10800 2005-07-05  Devang Patel  <dpatel@apple.com>
10801
10802         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10803         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10804         * tree-vectorizer.c (vect_loop_location): New.
10805         (vect_print_dump_info): Use vect_loop_location.
10806         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10807         (vectorize_loops): Set vect_loop_location.
10808         * tree-vect-analyze.c (vect_analyze_offset_expr,
10809         vect_determin_vectorization_factor, vect_analyze_operations,
10810         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10811         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10812         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10813         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10814         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10815         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10816         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10817         vect_analyze_loop): Adjust vect_print_dump_info API.
10818         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10819         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10820         vect_finish_stmt_generation, vectorizable_assignment,
10821         vectorizable_operation, vectorizable_store, vectorizable_load,
10822         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10823         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10824         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10825         vect_transform_loop): Same.
10826         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10827         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10828         Same.
10829
10830 2005-07-05  Randolph Chung  <tausq@debian.org>
10831
10832         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10833         * configure: Regenerate.
10834         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10835         (pa_tls_referenced_p): Declare.
10836         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10837         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10838         (legitimize_tls_address): New.
10839         (hppa_legitimize_address): Handle TLS addresses.
10840         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10841         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10842         (emit_move_sequence): Handle TLS addresses.
10843         (pa_encode_section_info): Call default handler to handle common
10844         sections.
10845         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10846         (CONSTANT_ADDRESS_P): Reject TLS operands.
10847         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10848         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10849         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10850         (UNSPEC_TLSLE): Define new constants.
10851         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10852         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10853         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10854         (tie_symbolic_operand, tle_symbolic_operand): New
10855
10856 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10857
10858         * aclocal.m4: Update macros for autoconf 2.59 style.
10859         * configure.ac: Likewise.
10860
10861 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10862
10863         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10864         (function_arg): Pass small aggregates in general registers on 32-bit
10865         targets.
10866         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10867
10868 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10869
10870         * Makefile.in (final.o): Fix dependencies.
10871
10872 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10873
10874         PR c/22013
10875         PR c/22098
10876         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10877         * langhooks.c (lhd_expr_to_decl): New.
10878         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10879         New.
10880         (LANG_HOOKS_INITIALIZER): Update.
10881         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10882         expr_to_decl langhook.
10883         * c-tree.h (c_expr_to_decl): Declare.
10884         * c-typeck.c (c_expr_to_decl): New.
10885         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10886         specially.
10887         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10888
10889 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10890
10891         PR c/22308
10892         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10893         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10894
10895 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10896
10897         * Makefile.in: Adjust dependencies.
10898         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10899         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10900         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10901         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10902         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10903         rest_of_compilation.
10904
10905         * bb-reorder.c (gate_duplicate_computed_gotos,
10906         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10907         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10908         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10909         pass_partition_blocks): New.
10910         * bt-load.c (gate_handle_branch_target_load_optimize,
10911         rest_of_handle_branch_target_load_optimize,
10912         pass_branch_target_load_optimize): New.
10913         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10914         pass_jump2): New.
10915         * cfglayout.c (pass_insn_locators_initialize): New.
10916         * cfgrtl.c (pass_free_cfg): New.
10917         * combine.c (gate_handle_combine, rest_of_handle_combine,
10918         pass_combine): New.
10919         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10920         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10921         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10922         * except.c (pass_set_nothrow_function_flags,
10923         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10924         pass_rtl_eh): New.
10925         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10926         rest_of_handle_shorten_branches, pass_shorten_branches,
10927         rest_of_clean_state, pass_clean_state): New.
10928         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10929         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10930         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10931         pass_flow2): New.
10932         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10933         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10934         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10935         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10936         pass_gcse): New.
10937         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10938         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10939         pass_rtl_ifcvt, gate_handle_if_after_combine,
10940         rest_of_handle_if_after_combine, pass_if_after_combine,
10941         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10942         pass_if_after_reload): New.
10943         * integrate.c (pass_initial_value_sets): New.
10944         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10945         pass_purge_lineno_notes): New.
10946         * mode-switching.c (rest_of_handle_mode_switching,
10947         pass_mode_switching): New.
10948         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10949         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10950         pass_loop2): New.
10951         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10952         pass_loop_optimize): New.
10953         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10954         pass_sms): New.
10955         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10956         pass_gcse2): New.
10957         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10958         pass_postreload_cse): New.
10959         * profile.c (gate_handle_profiling, pass_profiling,
10960         rest_of_handle_branch_prob, pass_branch_prob): New.
10961         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10962         pass_split_before_regstack, gate_handle_split_before_regstack,
10963         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10964         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10965         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10966         pass_stack_regs): New.
10967         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10968         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10969         pass_stack_adjustments): New.
10970         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10971         pass_regrename): New.
10972         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10973         pass_delay_slots, gate_handle_machine_reorg,
10974         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10975         * rtl.h (extern void purge_line_number_notes): New.
10976         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10977         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10978         pass_sched2): New.
10979         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10980         pass_tracer): New.
10981         * value-prof.c (gate_handle_value_profile_transformations,
10982         rest_of_handle_value_profile_transformations,
10983         pass_value_profile_transformations): New.
10984         * var-tracking.c (gate_handle_var_tracking,
10985         pass_variable_tracking): New.
10986         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10987
10988         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10989         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10990         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10991         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10992         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10993         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10994         rest_of_handle_gcse2, rest_of_handle_regmove,
10995         rest_of_handle_tracer, rest_of_handle_if_conversion,
10996         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10997         rest_of_handle_web, rest_of_handle_branch_prob,
10998         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10999         rest_of_handle_jump_bypass, rest_of_handle_combine,
11000         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11001         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11002         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11003         rest_of_handle_mode_switching, rest_of_handle_jump,
11004         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11005         rest_of_handle_flow2, rest_of_handle_jump2,
11006         rest_of_handle_peephole2, rest_of_handle_postreload,
11007         rest_of_handle_shorten_branches, rest_of_clean_state,
11008         rest_of_compilation): Remove.
11009
11010         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11011         * passes.c (dump_flags, in_gimple_form, all_passes,
11012         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11013         register_dump_files, next_pass_1, last_verified, execute_todo,
11014         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11015         from tree-optimize.c.
11016         (init_optimization_passes): Moved from tree-optimize.c,
11017         adding the RTL optimizations.
11018         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11019         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11020         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11021         register_dump_files, next_pass_1, last_verified, execute_todo,
11022         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11023         init_tree_optimization_passes, ipa_passes): Delete.
11024         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11025         the RTL dumps.
11026         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11027         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11028         from tree.h.
11029         (ipa_passes): Remove.
11030         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11031         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11032         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11033         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11034         (dump_info_p, dump_flag): Moved to tree-dump.h.
11035
11036         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11037         cgraph.c, opts.c.
11038         * passes.c (finish_optimization_passes): Use dump_begin
11039         and dump_end, TDI_end.
11040         (gate_rest_of_compilation): New.
11041         (pass_rest_of_compilation): Use it.
11042         (gate_postreload, pass_postreload): New.
11043         * toplev.c (general_init): Rename init_tree_optimization_passes.
11044         * toplev.h (init_tree_optimization_passes): Rename to
11045         init_optimizations_passes.
11046         * tree-dump.c (dump_flag): Make static.
11047         (dump_files): Remove RTL dumps.
11048         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11049         pass_cleanup_cfg, pass_free_cfg_annotations,
11050         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11051         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11052         * tree-pretty-print.c: Include tree-pass.h.
11053         * cgraph.c: Include tree-dump.h.
11054
11055 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11056
11057         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11058         Only fall back to saying it points to readonly memory if
11059         we can't do better.
11060
11061 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11062
11063         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11064         * config/m32r/m32r.c (m32r_compute_frame_size,
11065         m32r_expand_prologue): Take current_function_profile into
11066         account whenever we reference
11067         current_function_uses_pic_offset_table.
11068         (m32r_finalize_pic): Remove.
11069         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11070
11071 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11072
11073         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11074         instead of $<.  Don't remove ./as if it already exists.
11075
11076 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11077
11078         PR target/21723
11079         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11080         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11081         for complex modes when generating code for PA 1.0.
11082         (VALID_FP_MODE_P): New macro.
11083         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11084         sets for all general and floating point modes.  Align wide floating
11085         point modes to even register boundaries to comply with architectural
11086         requirements.
11087         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11088         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11089         (VALID_FP_MODE_P): New macro.
11090         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11091         sets for all general and floating point modes.  Align wide floating
11092         point modes to even register boundaries to comply with architectural
11093         requirements.
11094
11095 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11096
11097         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11098         to 0.
11099
11100 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11101
11102         * tree-ssa-structalias.c: Don't include expr.h.
11103
11104 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11105
11106         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11107         comments.
11108
11109 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11110
11111         Fix PR tree-optimization/22279
11112
11113         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11114         correct operator.
11115
11116 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11117
11118         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11119
11120 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11121
11122         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11123         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11124         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11125         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11126         config/stormy16/stormy16.c, config/v850/v850.c,
11127         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11128         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11129         Avoid "." or "\n" at end of diagnostics and capital letters at
11130         start of diagnostics.
11131         * combine.c, cse.c: Don't translate dump file output.
11132         * toplev.c (print_version): Only translate output if going to
11133         stderr.
11134
11135 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11136
11137         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11138         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11139         typos.
11140
11141 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11142
11143         * pa.c (fix_range): Fix typo in comment.
11144
11145 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11146
11147         * tree-vrp.c (extract_range_from_assert): Replace
11148         fold (build (...)) with fold_build2.
11149
11150 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11151
11152         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11153         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11154         (format_types_orig, handle_format_attribute): Add support for
11155         format "gcc_gfc".
11156
11157 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11158
11159         * varasm.c (assemble_variable): Fix format specifier thinko.
11160
11161 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11162
11163         PR tree-optimization/22029 (and 22135)
11164         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11165         a phi node before calling dump_vops.
11166
11167 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11168
11169         * tree-dump.h (dump_string_field): Declare.
11170         * tree-dump.c: Use it instead of dump_string.
11171         (dump_string_field): Make non-static.
11172
11173 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11174
11175         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11176         up the minimal CFG stuff always when optimize > 0.  Call
11177         split_all_insns_noflow in PIC case if needed.
11178
11179 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11180             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11181
11182         PR c++/18279
11183         * c-decl.c (c_write_global_declarations): Dump contents of
11184         external scope to.
11185         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11186         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11187         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11188         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11189         is enabled.
11190
11191 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11192
11193         * c-common.h (GCC_DIAG_STYLE): Define.
11194         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11195         version for format checking to 4.1.
11196         * c-format.c: Include toplev.h after c-common.h.
11197         (enum format_type): Add gcc_tdiag_format_type.
11198         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11199         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11200         (format_types_orig): Add gcc_tdiag.
11201         (init_dynamic_diag_info): Support gcc_tdiag formats.
11202         (handle_format_attribute): Likewise.
11203         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11204         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11205         version for format checking to 4.1.
11206         (warning0, warning, error, pedwarn, sorry): Use
11207         ATTRIBUTE_GCC_DIAG.
11208         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11209         (finish_aliases_1): Do not use %qE.
11210         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11211         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11212         Correct format bugs.
11213         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11214         parameter to unsigned HOST_WIDE_INT.
11215         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11216
11217 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11218
11219         PR middle-end/21742
11220         * expr.c (write_complex_part): Use adjust_address for MEM.
11221         (read_complex_part): Same.
11222
11223 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11224
11225         Fix PR tree-optimization/22280
11226
11227         * tree-sra.c (generate_element_init): Remove useless loop.
11228
11229 2005-07-02  Richard Henderson  <rth@redhat.com>
11230
11231         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11232         TLS_MODEL_NONE.
11233         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11234
11235 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11236
11237         PR middle-end/14490
11238         * fold-const.c (fold_binary): Handle the return value of
11239         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11240         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11241
11242 2005-07-02  Jeff Law  <law@redhat.com>
11243
11244         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11245         a eliminate type conversion which feeds an equality comparison
11246         if the original type or either operand in the comparison is a
11247         function pointer.
11248
11249 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11250
11251         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11252         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11253         texts.
11254         * config/avr/avr.c: Do not use '`' as left quote.
11255         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11256         Remove "." from end of diagnostics.  Make diagnostics start with
11257         lowercase letter.
11258
11259 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11260             Joseph S. Myers  <joseph@codesourcery.com>
11261
11262         * toplev.c (default_tree_printer): Handle setting location with
11263         '+' flag.
11264         * c-objc.common.c (c_tree_printer): Likewise.
11265         * c-format.c (gcc_diag_flag_specs): Add '+'.
11266         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11267         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11268         formats.
11269         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11270         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11271         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11272         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11273         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11274         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11275         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11276         format arguments where %J is used without %D.
11277
11278 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11279
11280         * gcc.c (LINK_SSP_SPEC): Define.
11281         (link_ssp_spec): New variable.
11282         (LINK_COMMAND_SPEC): Add %(link_ssp).
11283         (static_specs): Add link_ssp_spec.
11284         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11285         * configure: Rebuilt.
11286         * config.in: Rebuilt.
11287
11288         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11289         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11290         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11291         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11292         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11293         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11294         -0x7008(2) instead of reading __stack_chk_guard variable.
11295         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11296         number.
11297         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11298         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11299         if TARGET_THREAD_SSP_OFFSET is defined.
11300         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11301         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11302
11303         Revert:
11304         2005-06-27  Richard Henderson  <rth@redhat.com>
11305         * libgcc-std.ver (GCC_4.1.0): New.
11306         * libgcc.h (__stack_chk_guard): Declare.
11307         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11308         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11309         * mklibgcc.in (lib2funcs): Add them.
11310
11311 2005-07-01  Richard Henderson  <rth@redhat.com>
11312
11313         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11314         void * before struct sigcontext *.
11315         (x86_fallback_frame_state): Likewise.
11316
11317 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11318
11319         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11320
11321 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11322
11323         PR tree-opt/22269
11324         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11325         we check for SSA_NAME for.
11326
11327 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11328
11329         Fix PR tree-optimization/22071
11330
11331         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11332         function.
11333         (get_constraint_for_component_ref): Use it.
11334
11335 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11336
11337         PR other/22264
11338         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11339         print out the last new line.
11340
11341 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11342
11343         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11344         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11345         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11346         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11347         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11348         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11349         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11350         (enum reg_class): New member CC0_REGS.
11351         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11352         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11353         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11354         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11355         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11356         Adjust for register now described.
11357
11358 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11359
11360         PR target/22262
11361         * config/i386/i386.md (stack_protect_test_si,
11362         stack_protect_test_di): Add earlyclobber for scratch 3.
11363         * config/rs6000/rs6000.md (stack_protect_testsi,
11364         stack_protect_testdi): Add earlyclobber for scratch 3,
11365         remove earlyclobber from scratch 4.
11366
11367 Older entries for 2005 can be found in ChangeLog-2005.