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* config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
2
3         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
4         (MULTILIB_DIRNAMES): Define.
5
6 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
7
8         PR target/25311
9         * config/s390/s390.c (struct s390_address): New field literal_pool.
10         (s390_decompose_address): Compute literal_pool field.  Do not 
11         assume register %r13 is always (and solely) used as pool base.
12         (s390_extra_constraint_str): Use literal_pool field.
13
14 2005-12-09  Thiemo Seufer  <ths@networkno.de>
15
16         * config/mips/mips.c (override_options): Don't allow too small
17         integers in FP registers.
18
19 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
20
21         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
22         targetm.binds_local_p to check for local function calls.
23
24 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
25
26         PR debug/24908
27         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
28         call_used_regs can't be used to save reg in another reg.
29
30 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
31             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
32
33         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
34         abort.
35         * except.c (output_ttype): Likewise.
36         * tree-object-size.c (collect_object_sizes_for): Likewise.
37         (check_for_plus_in_loops_1): Likewise.
38         (check_for_plus_in_loops): Likewise.
39         (compute_object_sizes): Use gcc_unreachable instead of abort.
40
41 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
42
43         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
44         (loop_end, loop_init, doloop_end): New insns.
45         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
46         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
47         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
48         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
49         * config/ms1/ms1.c: #include basic-block.h
50         (struct machine_function): Add has_loops field.
51         (ms1_add_loop): New.
52         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
53         (struct loop_info, struct loop_work): New.
54         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
55         (ms1_reorg_loops): New loop optimization.
56         (ms1_machine_reorg): Call it.
57         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
58
59 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
60
61         PR tree-optimization/25248
62         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
63         evolution_of_loop from the failed attempt.  Remove handling
64         of MULT_EXPR.
65
66 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
67
68         * tree.h (DECL_EXTERNAL): Clarify documentation.
69
70 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
71             Jakub Jelinek  <jakub@redhat.com>
72
73         PR target/25268
74         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
75         argument.  Don't drop outer ANDs.
76         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
77         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
78         prototype.
79         * config/s390/predicates.md (setmem_operand): Remove.
80         (shift_count_operand): Rename to...
81         (shift_count_or_setmem_operand): ... this.  Adjust
82         s390_decompose_shift_count caller.
83         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
84         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
85         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
86         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
87         rotl<mode>3_and, setmem_long_and): New insns.
88         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
89         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
90         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
91         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
92         of shift_count_operand.
93         (setmem_long): Use shift_count_or_setmem_operand instead of
94         setmem_operand.
95
96 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
97             Andreas Tobler  <a.tobler@schweiz.ch>
98
99         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
100         tr expression.
101
102 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
103
104         * expr.c (force_operand): Use convert_to_mode for conversions.
105
106 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
107
108         * reload.h (reg_equiv_invariant): Declare.
109         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
110         register also when reg_equiv_invariant[R] is set.
111
112 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
113             Andreas Tobler  <a.tobler@schweiz.ch>
114
115         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
116
117 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
118
119         * tree-ssa-pre.c (bitmap_set_and): New function.
120         (bitmap_set_and_compl): New function.
121         (bitmap_set_empty_p): New function.
122         (insert_extra_phis): New function.
123         (compute_avail): Use insert_extra_phis.
124
125 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
126
127         * config/s390/s390.c (s390_expand_atomic): New function.
128         Adjust comment of helper functions.
129         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
130         * config/s390/s390.md ("ATOMIC"): New code macro.
131         ("atomic"): Corresponding new code attribute.
132         ("sync_lock_test_and_set[hq]i", 
133         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
134
135 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
136
137         * config/s390/s390.c (s390_expand_mask_and_shift, 
138         struct alignment_context, init_alignment_context, 
139         s390_expand_cs_hqi): New.
140         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
141         * config/s390/s390.md ("sync_compare_and_swaphi",
142         "sync_compare_and_swapqi"): New pattern.
143
144 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
145
146         Fix PR tree-optimization/25291
147         * tree-ssa-operands.c (add_call_clobber_ops): Remove
148         redundant and crashing check.
149
150 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
151
152         PR target/25212
153         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
154         tests further when !strict && reload_in_progress.
155         (print_operand): Check that both operands of indexed address are regs.
156         (print_operand_address): Likewise.
157         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
158         (INT_REG_OK_FOR_BASE_P): Correct.
159
160 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
161
162         Preparation for PR rtl-optimization/20070 / part1
163         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
164         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
165         outgoing_edges_match.
166         (outgoing_edges_match): Use condjump_equiv_p.
167         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
168         into..
169         * struct-equiv.c: New file.
170         (death_notes_match_p) New function, broken out of insns_match_p.
171         * Makefile.in (OBJS-common): Add struct-equiv.o.
172         (struct-equiv.o): New target.
173
174 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
175
176         * coretypes.h: Revert previous change.
177         * config/darwin.h: Revert previous reversion.
178         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
179
180 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
181
182         * coretypes.h (section): Provide dummy definition for target files.
183         * config/darwin.h: Revert previous change.
184
185 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
186
187         * doc/sourcebuild.texi (all.build, install-normal): Remove.
188         * configure.ac: Remove all.build and install-normal from target_list
189         * configure: Regenerate.
190         * Makefile.in (install): Don't depend on install-normal.
191
192 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
193
194         * Makefile.in: Document the use of stamps.
195
196 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
197
198         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
199         * Makefile.in: Add code to compute some dependencies on s-gtype
200         automatically.  Remove the declaration of those dependencies.
201
202 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
203
204         * gcc/reload.c (push_secondary_reload): Fix typo:
205         s/insn_constraint/scratch_constraint/.
206
207 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
208
209         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
210
211 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
212
213         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
214         (alpha_elf_select_rtx_section): Return the selected section rather
215         than emitting assembly code.
216         (alpha_write_linkage): Emit a ".link" directive directly and then
217         set in_section to NULL.
218         (vms_asm_out_constructor): Use switch_to_section.
219         (vms_asm_out_destructor): Likewise.
220         (unicosmk_output_common): Set in_section to NULL instead of calling
221         the dummy common_section function.
222         (unicosmk_text_section): Delete in favor of...
223         (unicosmk_output_text_section_asm_op): ...this new function.
224         (unicosmk_data_section): Delete in favor of...
225         (unicosmk_output_data_section_asm_op): ...this new function.
226         (unicosmk_init_sections): New function.
227         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
228         (unicosmk_output_ssib): Set in_section to NULL instead of calling
229         the dummy ssib_section function.
230         (unicosmk_section_buf): Delete.
231         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
232         (unicosmk_data_section): Delete.
233         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
234         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
235         (SECTION_FUNCTION_TEMPLATE): Delete.
236         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
237         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
238         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
239         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
240         (TARGET_ASM_INIT_SECTIONS): Define.
241         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
242         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
243         (link_section, literals_section): Delete.
244         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
245         set in_section to NULL.
246
247         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
248         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
249         (COMMON_SECTION): Delete.
250         (TARGET_ASM_INIT_SECTIONS): Define.
251         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
252         the dummy common_section function.
253         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
254         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
255         between readonly_data_section and text_section to check whether
256         read-only data is being put in the text section.
257         (arm_output_function_epilogue): Use switch_to_section.
258         (arm_elf_asm_constructor): Likewise.
259         (thumb_call_via_reg): Replace call to in_text_section with
260         a comparison between in_section and text_section.
261         (arm_file_end): Use switch_to_section.
262         (aof_text_section): Delete in favor of...
263         (aof_output_text_section_asm_op): ...this new function.
264         (aof_data_section): Delete in favor of...
265         (aof_output_data_section_asm_op): ...this new function.
266         (aof_asm_init_sections): New function.
267         (zero_init_section): Moved from config/arm/aof.h.
268         (aof_dump_imports, aof_file_start): Use switch_to_section.
269         * config/arm/arm.h (thumb_call_via_label): Update comment.
270         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
271         (common_section): Delete.
272         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
273         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
274         global switch_to_section function instead of the old port-local one.
275         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
276         (SWITCH_TO_SECTION_FUNCTION): Delete.
277         (drectve_section): Redefine as a macro.
278         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
279         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
280         switch_to_section.
281
282         * config/avr/avr.c (progmem_section): New variable.
283         (avr_output_progmem_section_asm_op): New function.
284         (avr_asm_init_sections): New function.
285         (avr_output_addr_vec_elt): Use switch_to_section.
286         * config/avr/avr.h (progmem_section): Declare.
287         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
288         (READONLY_DATA_SECTION): Delete.
289         (TARGET_ASM_INIT_SECTIONS): Define.
290         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
291         * config/avr/avr-protos.h (progmem_section): Delete.
292
293         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
294
295         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
296         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
297
298         * config/darwin-sections.def: New file.
299         * config/darwin.c: Define all sections in darwin-sections.def.
300         (output_objc_section_asm_op, darwin_init_sections): New functions.
301         (machopic_output_indirection): Use switch_to_section.
302         (machopic_select_section): Return the selected section rather than
303         emitting assembly code.  Replace the static function table with
304         inline conditional expressions.  Update the tests of last_text_section
305         and move them into the FUNCTION_DECL block.
306         (machopic_select_rtx_section): Return the selected section rather than
307         emitting assembly code.
308         (machopic_asm_out_constructor, machopic_asm_out_destructor)
309         (darwin_file_end): Use switch_to_section.
310         * config/darwin.h: Use darwin-sections.def to declare sections.
311         (INIT_SECTION_ASM_OP): Remove empty definition.
312         (HAS_INIT_SECTION): Define this instead.
313         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
314         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
315         (TARGET_ASM_EH_FRAME_SECTION): Delete.
316         (TARGET_ASM_INIT_SECTIONS): Define.
317         * config/darwin-protos.h (darwin_init_sections): Declare.
318         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
319         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
320         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
321         (constructor_section, destructor_section, mod_init_section): Delete.
322         (mod_term_section): Delete.
323         (darwin_exception_section, darwin_eh_frame_section): Delete.
324         (machopic_select_section): Return a section.
325         (machopic_select_rtx_section): Likewise.
326         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
327         (const_section, const_coal_section, const_data_section): Delete.
328         (const_data_coal_section, data_coal_section, cstring_section): Delete.
329         (literal4_section, literal8_section, constructor_section): Delete.
330         (mod_init_section, mod_term_section, destructor_section): Delete.
331         (objc_class_section, objc_meta_class_section, objc_category_section)
332         (objc_class_vars_section, objc_instance_vars_section): Delete.
333         (objc_cls_meth_section, objc_inst_meth_section): Delete.
334         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
335         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
336         (objc_symbols_section, objc_module_info_section): Delete.
337         (objc_image_info_section, objc_protocol_section): Delete.
338         (objc_string_object_section, objc_constant_string_object_section)
339         (objc_class_names_section, objc_meth_var_names_section): Delete.
340         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
341         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
342         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
343         (darwin_exception_section, darwin_eh_frame_section): Delete.
344         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
345
346         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
347         (frv_asm_out_destructor): Likewise.
348         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
349         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
350         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
351         get_named_section.
352         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
353         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
354         (data_section): Delete.
355
356         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
357         (DRECTVE_SECTION_FUNCTION): Delete.
358         (drectve_section): Redefine as a macro that sets in_section after
359         emitting the directive.
360         (SWITCH_TO_SECTION_FUNCTION): Delete.
361         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
362         in_text_section with comparison between in_section and text_section.
363         * config/i386/i386.c (x86_64_elf_select_section): Return the section
364         rather than emitting assembly code.  Use get_named_section.
365         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
366         get_named_section.
367         (machopic_output_stub): Use switch_to_section.
368         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
369         (nwld_named_section_asm_out_destructor): Use get_section and
370         switch_to_section.
371
372         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
373         rather than emitting assembly code.
374         (ia64_rwreloc_select_section): Likewise.
375         (ia64_rwreloc_select_rtx_section): Likewise.
376         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
377         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
378         switch_to_section.
379         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
380         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
381
382         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
383         section rather than emitting assembly code.
384         (iq2000_select_section): Likewise.
385         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
386         (sbss_section): Delete.
387
388         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
389         and get_named_section.
390         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
391
392         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
393         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
394         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
395         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
396         in_section to NULL.
397         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
398         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
399         global switch_to_section function instead of the old port-local one.
400         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
401         (SWITCH_SECTION_FUNCTION): Delete.
402         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
403         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
404         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
405         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
406         in_section to NULL.
407         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
408         global switch_to_section function instead of the old port-local one.
409         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
410
411         * config/mips/mips.c (mips_file_start): Update comment.
412         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
413         (mips_output_aligned_decl_common): Use switch_to_section.
414         (mips_select_rtx_section): Return the section rather than emitting
415         assembly code.  Use get_named_section.
416         (mips_function_rodata_section: Likewise get_section.
417         (build_mips16_function_stub): Use switch_to_section.
418         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
419         (SDATA_SECTION_ASM_OP): Delete.
420         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
421         (EXTRA_SECTION_FUNCTIONS): Delete.
422
423         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
424         (mmix_asm_output_aligned_local): Use switch_to_section.
425
426         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
427         (som_one_only_readonly_data_section): New variables.
428         (pa_output_function_epilogue): Set in_section to NULL instead of
429         calling forget_section.
430         (output_deferred_plabels): Use select_section.
431         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
432         of calling forget_section.
433         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
434         (pa_asm_output_aligned_local): Use select_section.
435         (som_text_section_asm_op): Delete in favor of...
436         (som_output_text_section_asm_op): ...this new function.
437         (pa_som_asm_init_sections): New function.
438         (pa_select_section): Return the section rather than emitting
439         assembly code.
440         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
441         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
442         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
443         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
444         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
445         (som_readonly_data_section, som_one_only_readonly_data_section)
446         (som_one_only_data_section, forget_section): Delete.
447         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
448         (TARGET_ASM_INIT_SECTIONS): Define.
449         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
450
451         * config/rs6000/rs6000.c (read_only_data_section): New variable.
452         (private_data_section, read_only_private_data_section): New variables.
453         (sdata2_section, toc_section): New variables.
454         (rs6000_file_start): Use switch_to_section.
455         (rs6000_assemble_integer): Use comparisons against in_section
456         instead of calling in_toc_section and in_text_section.  Use
457         unlikely_text_section_p.
458         (rs6000_elf_output_toc_section_asm_op): New function, derived
459         from the old rs6000/sysv4.h toc_section function.
460         (rs6000_elf_asm_init_sections): New function.
461         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
462         the section rather than emitting assembly code.
463         (machopic_output_stub): Use switch_to_section.
464         (toc_section): Delete dummy function.
465         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
466         switch_to_section and get_section.
467         (rs6000_xcoff_output_readonly_section_asm_op): New function.
468         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
469         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
470         the old rs6000/xcoff.h toc_section function.
471         (rs6000_xcoff_asm_init_sections): New function.
472         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
473         the section rather than emitting assembly code.
474         (rs6000_xcoff_file_start): Use switch_to_section.
475         (rs6000_xcoff_file_end): Likewise.
476         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
477         (sdata2_section, sbss_section, private_data_section): Delete.
478         (read_only_data_section, read_only_private_data_section): Delete.
479         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
480         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
481         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
482         (FINI_SECTION_FUNCTION): Delete.
483         (TARGET_ASM_INIT_SECTIONS): Define.
484         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
485         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
486         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
487         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
488         (READONLY_DATA_SECTION): Delete.
489         (TARGET_ASM_INIT_SECTIONS): Define.
490         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
491         to NULL rather than no_section.
492         (TARGET_ASM_EXCEPTION_SECTION): Delete.
493
494         * config/sh/sh.c (sh_file_start): Use switch_to_section.
495
496         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
497         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
498         from call to current_function_section.
499
500         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
501         (bss100_section): New variable.
502         (xstormy16_asm_output_aligned_common): Use switch_to_section.
503         (xstormy16_asm_init_sections): New function.
504         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
505         switch_to_section and get_section.
506         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
507         from calls to current_function_section.
508         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
509         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
510         (TARGET_ASM_INIT_SECTIONS): Define.
511         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
512
513         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
514         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
515         (FINI_SECTION_FUNCTION): Delete.
516
517         * config/v850/v850.c: Include gt-v850.h.
518         (rosdata_section, rozdata_section, tdata_section, zdata_section)
519         (zbss_section): New variables.
520         (v850_output_aligned_bss): Use switch_to_section.
521         (v850_asm_init_sections): New function.
522         (v850_select_section): Return the section rather than emitting
523         assembly code.
524         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
525         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
526         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
527         (TARGET_ASM_INIT_SECTIONS): Define.
528         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
529         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
530         (zbss_section): Delete.
531
532         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
533
534         * config/vx-common.h (vxworks_exception_section): Delete.
535         (TARGET_ASM_EXCEPTION_SECTION): Delete.
536
537         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
538         section rather than emitting assembly code.
539         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
540         switch_to_section.
541
542         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
543         * coretypes.h (section): New union and typedef.
544         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
545         from call to current_function_section.
546         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
547         (dbxout_symbol_location): Use switch_to_section.
548         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
549         most of the code into...
550         (default_eh_frame_section): ...here.  Return a section.
551         (collect2_eh_frame_section): Delete, moving most of the code into..
552         (switch_to_eh_frame_section): ...this new function.
553         (debug_info_section, debug_abbrev_section, debug_aranges_section)
554         (debug_macinfo_section, debug_line_section, debug_loc_section)
555         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
556         variables.
557         (output_call_frame_info): Call switch_to_eh_frame_section instead of
558         eh_frame_section.  Use switch_to_section and get_section.
559         (dwarf2out_begin_prologue): Use switch_to_section.
560         (AT_string_form): Check the flags in debug_str_section instead of
561         DEBUG_STR_SECTION_FLAGS.
562         (output_comp_unit): Use switch_to_section, get_section, and
563         debug_info_section.
564         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
565         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
566         from call to current_function_section.
567         (dwarf2out_var_location): Use unlikely_text_section_p.
568         (dwarf2out_source_line): Use switch_to_section.  Remove argument
569         from call to current_function_section.
570         (dwarf2out_start_source_file, dwarf2out_end_source_file)
571         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
572         debug_macinfo_section.
573         (dwarf2out_init): Initialize the new section variables.  Use them
574         instead of calls to named_section_flags.  Use switch_to_section.
575         (output_indirect_string): Use switch_to_section and debug_str_section.
576         (dwarf2out_finish): Use switch_to_section and the new section
577         variables.
578         * except.c (default_exception_section): Return the section instead
579         of emitting assembly code.
580         (output_function_exception_table): Use the global exception_section
581         variable instead of the target hook.  Use switch_to_section.  Remove
582         argument from call to current_function_section.
583         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
584         (shorten_branches): Use pointer comparisons to detect whether the
585         text section is the same as readonly_data_section.
586         (profile_function): Use switch_to_section.  Remove argument from
587         call to current_function_section.
588         (final_scan_insn): Likewise.  Update use of last_text_section.
589         * gengtype.c (open_base_files): Add an include of output.h.
590         * output.h (text_section, data_section, readonly_data_section)
591         (ctors_section, dtors_section, bss_section, init_section)
592         (fini_section, sdata_section): Turn into section pointers.
593         (in_text_section, in_unlikely_text_section, exports_section)
594         (drectve_section, named_section, mergeable_string_section)
595         (last_text_section_name): Delete.
596         (default_exception_section, default_eh_frame_section): Return sections.
597         (SECTION_DECLARED, SECTION_NAMED): New macros.
598         (SECTION_MACH_DEP): Bump value.
599         (section_common, named_section, unnamed_section): New structures.
600         (unnamed_section_callback): New typedef.
601         (section): New union.
602         (sbss_section, exception_section, eh_frame_section): New variables.
603         (in_section, last_text_section): Turn into section pointers.
604         (get_unnamed_section, get_section, get_named_section): New functions.
605         (mergeable_constant_section, function_section): Return a section.
606         (unlikely_text_section): Likewise.
607         (current_function_section): Likewise.  Remove the decl argument.
608         (unlikely_text_section_p, switch_to_section): New functions.
609         (output_section_asm_op): New function.
610         (set_named_section_flags, named_section_flags, named_section_real)
611         (named_section_first_declaration): Delete.
612         (default_select_section, default_elf_select_section): Return a section.
613         (default_elf_select_section_1, default_function_rodata_section)
614         (default_no_function_rodata_section, default_select_rtx_section)
615         (default_elf_select_rtx_section): Likewise.
616         * rtl.h (in_data_section): Delete.
617         * sdbout.c (sdbout_one_type): Use switch_to_section.
618         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
619         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
620         (TARGET_ASM_EH_FRAME_SECTION): Poison.
621         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
622         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
623         (TARGET_ASM_OUT): Update after above changes.
624         * target.h (init_sections): New hook.
625         (exception_section, eh_frame_section): Delete.
626         (select_section, select_rtx_section, function_rodata_section): Return
627         a section rather than emitting assembly code.
628         * varasm.c (text_section, data_section, readonly_data_section)
629         (ctors_section, dtors_section, bss_section, init_section)
630         (fini_section): Turn into section pointers.
631         (sdata_section, sbss_section, exception_section): New variables.
632         (eh_frame_section): New variable.
633         (in_section): Make global and turn into a section pointer.
634         (last_text_section): Turn into a section pointer.
635         (unnamed_sections): New variable.
636         (in_named_name, last_text_section_name): Delete.
637         (EXTRA_SECTION_FUNCTIONS): Delete.
638         (in_named_entry): Delete.
639         (section_htab): New variable, replacing...
640         (in_named_htab): ...this deleted variable.
641         (section_entry_eq, section_entry_hash): New functions, based on...
642         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
643         (get_unnamed_section, get_section): New functions.
644         (unlikely_text_section): Return a section instead of emitting
645         assembly code.
646         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
647         (get_named_section_flags, named_section_first_declaration): Delete.
648         (unlikely_text_section_p): New function.
649         (named_section_real, named_section): Delete.
650         (get_named_section): New function.
651         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
652         (function_section): Return a section rather than emitting
653         assembly code.
654         (current_function_section): Likewise.  Remove argument.  Use
655         last_text_section if nonnull, otherwise use function_section.
656         (default_function_rodata_section): Return a section rather than
657         emitting assembly code.  Use get_section.
658         (default_no_function_rodata_section): Return a section rather than
659         emitting assembly code.
660         (variable_section): Use switch_to_section and get_named_section.
661         (mergeable_string_section): Return a section rather than emitting
662         assembly code.  Use get_section.  Make static.  Don't take special
663         countermeasures for empty strings.
664         (mergeable_constant_section): Return a section rather than emitting
665         assembly code.  Use get_section.
666         (default_named_section_asm_out_destructor): Use switch_to_section
667         and get_section.
668         (default_dtor_section_asm_out_destructor): Use switch_to_section.
669         (default_named_section_asm_out_constructor): Use switch_to_section
670         and get_section.
671         (default_ctor_section_asm_out_constructor): Use switch_to_section.
672         (assemble_start_function): Likewise.  Set last_text_section to
673         NULL rather than no_section.  Change the type of save_section.
674         (assemble_zeros, assemble_variable): Use the section flags to detect
675         whether or not a section is text.
676         (assemble_static_space): Use switch_to_section.
677         (assemble_trampoline_template): Likewise.
678         (output_constant_def_contents): Use switch_to_section and
679         get_named_section.
680         (output_constant_pool_1): Use switch_to_section.  Use the section
681         flags to see whether sections contain mergeable data.
682         (init_varasm_once): Initialize section_htab instead of in_named_htab.
683         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
684         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
685         whether a section has already been declared.
686         (default_select_section, default_elf_select_section): Return a
687         section rather than emitting assembly code.
688         (default_elf_select_section_1): Likewise.  Use bss_section for
689         SECCAT_BSS if nonnull.  Use get_named_section.
690         (default_select_rtx_section): Return a section rather than
691         emitting assembly code.
692         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
693         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
694         (output_section_asm_op, switch_to_section): New functions.
695         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
696         get_named_section.
697
698         * doc/tm.texi: Expand the introduction to the sections documentation.
699         (TRAMPOLINE_SECTION): Document new interface.
700         (SDATA_SECTION_ASM_OP): Document new macro.
701         (READONLY_DATA_SECTION): Delete.
702         (SDATA_SECTION_ASM_OP): Document new macro.
703         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
704         (TARGET_ASM_INIT_SECTIONS): Document new hook.
705         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
706         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
707         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
708
709 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
710
711         * gcc.c (init_gcc_specs): Match braces inside conditionally
712         compiled strings.
713
714 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
715
716         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
717
718 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
719
720         PR C++/24138
721         * tree.c (integer_all_onesp): Always return true if all bits on.
722
723         * testsuite/g++.dg/init/array0.C: New.
724
725 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
726
727         * doc/md.texi: Adapt to implementation.
728
729 2005-12-06  Andreas Schwab  <schwab@suse.de>
730
731         * opts.c (decode_options): Fix typo in message.
732
733 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
734
735         PR other/13873
736         * longlong.h: Merge PPC tests from upstream.
737
738 2005-12-06  Richard Guenther  <rguenther@suse.de>
739
740         * fold-const.c (fold_convert): Do not build and fold
741         CONVERT_EXPR, but always use NOP_EXPR.
742
743 2005-12-06  Jan Beulich  <jbeulich@novell.com>
744
745         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
746         __builtin_ia32_paddq and __builtin_ia32_subq.
747         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
748         __builtin_ia32_pshufw.
749         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
750
751 2005-12-05  James E Wilson  <wilson@specifix.com>
752
753         PR target/24934
754         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
755         is set.
756
757 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
758         
759         * print-tree.c (print_node): Ditto.
760         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
761         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
762         before accessing DECL_ARTIFICIAL. 
763         Handle new tag tree codes.
764         * tree-flow-inline.h (clear_call_clobbered): Update for tag
765         changes.
766         (unmodifiable_var_p): Ditto.
767         * tree-flow.h (mem_tag_kind): Remove.
768         (struct var_ann_d): Remove mem_tag_kind member.
769         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
770         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
771         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
772         (group_aliases): Ditto.
773         (setup_pointers_and_addressables): Ditto.
774         (is_escape_site): Ditto.                                          
775         (may_alias_p): Ditto.
776         (create_tag_raw): New function.
777         (create_memory_tag): Use it.
778         (dump_alias_info): Update for tags.
779         (may_be_aliased): Ditto.
780         (add_type_alias): Ditto.
781         (new_type_alias): Ditto.
782         (create_sft): Ditto.
783         (create_structure_vars): Ditto.
784         * tree-ssa-ccp.c (get_default_value): Ditto.
785         * tree-ssa-operands.c (get_expr_operands): Ditto.
786         (add_stmt_operand): Ditto.
787         (add_call_clobber_ops): Remove duplicated condition.
788         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
789         tags.
790         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
791         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
792         * tree.c (init_ttree): Update structures for new tree codes.
793         (tree_code_size): Update sizes for new tree codes.
794         (make_node_stat): Don't try to set common things on minimal
795         structures.
796         (tree_node_structure): Update for tags.
797         (is_global_var): Ditto.
798         * tree.def: Add new tree codes.
799         * tree.h (MTAG_P): New macro.
800         (TREE_MEMORY_TAG_CHECK): Ditto.
801         (SSA_VAR_P): Update for tags.
802         (struct tree_memory_tag): New structure.
803         (MTAG_GLOBAL): New macro.
804         (union tree_node): Add memory tag member.
805         * treestruct.def (TS_MEMORY_TAG): New.
806         
807 2005-12-05  Dale Johannesen  <dalej@apple.com>
808
809         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
810         what was approved (PR 24323).
811
812 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
813
814         * doc/c-tree.texi (Function Bodies): Remove description of
815         RETURN_INIT.
816
817 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
818
819         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
820         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
821         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
822         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
823         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
824         __divxc3): Document.
825
826 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
827
828         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
829         previous behaviour.
830         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
831         hook_bool_void_false.
832         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
833         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
834
835         * config/darwin.c (machopic_select_section): It's not defined
836         as weak if it's only marked as weak_import.
837         
838         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
839         Prototype.
840
841         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
842         A hidden weak object does bind locally.  Strong linkonce data
843         counts like any other strong symbol for binding.
844         (weak_finish_1): Don't specially handle weakrefs, they no longer
845         arrive here.
846         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
847         * c-common.c (handle_alias_attribute): Allow static aliases
848         of variables.
849         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
850         * gthr-dce.h: Make weakrefs static.
851         * gthr-tpf.h: Likewise.
852         * gthr-solaris.h: Likewise.
853         * gthr-posix.h: Likewise.
854         * gthr-posix95.h: Likewise.
855         * config/darwin.c (darwin_encode_section_info): static weakref
856         variables are not necessarily defined in this translation unit.
857         * doc/extend.texi (Function Attributes): Mention that an alias
858         attribute creates a definition for the thing it's attached to.
859         Change the documentation for weakref to say that the thing
860         it's attached to must be static.
861
862         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
863         we don't go into an infinite loop.
864
865 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
866
867         * config/rs6000/predicates.md (logical_const_operand): Split
868         out of logical_operand.
869         (logical_operand): Use it.
870         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
871         logical_const_operand.
872
873 2005-12-05  Jan Beulich  <jbeulich@novell.com>
874
875         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
876         and IX86_BUILTIN_CMPNESS.
877         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
878         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
879         * config/i386/i386.md (movti_internal): Correct type attribute.
880         Simplify mode attribute.
881         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
882         Correct type attribute.
883         (absxf2): Correct operator.
884         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
885         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
886         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
887         mode attribute.
888         (sse2_vmsqrtv2df2): Correct mode attribute.
889
890 2005-12-05  Jan Beulich  <jbeulich@novell.com>
891
892         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
893         16 bits. Provide insn pattern for this case.
894
895 2005-12-05  Jan Beulich  <jbeulich@novell.com>
896
897         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
898         result.
899         (__popcountDI2): Likewise.
900
901 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
902
903         PR target/25166
904         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
905         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
906         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
907         functions.
908
909 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
910
911         * c-typeck.c (null_pointer_constant_p): New function.
912         (build_conditional_expr, build_c_cast, convert_for_assignment,
913         build_binary_op): Use it.
914
915 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
916
917         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
918         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
919         CONVERT_EXPR.
920         (check_function_arguments_recurse): Allow both NOP_EXPR and
921         CONVERT_EXPR but check conversions preserve precision.
922         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
923         but check conversions preserve precision.
924         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
925         default case.
926
927 2005-12-04  Roger Sayle  <roger@eyesopen.com>
928
929         PR c/7776
930         * common.opt (Wstring-literal-comparison): New command line option.
931         * c-opts.c (c_common_handle_option): Set it with -Wall.
932         * c-typeck.c (parser_build_binary_op): Issue warning if either
933         operand of a comparison operator is a string literal, except for
934         testing equality or inequality against NULL.
935
936         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
937
938 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
939
940         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
941         of building a NOP_EXPR.
942         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
943         NOP_EXPR.
944         * c-convert.c (convert): Use fold_convert instead of building
945         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
946         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
947         #if 0 code.
948         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
949         NOP_EXPR the same as CONVERT_EXPR.
950         * c-typeck.c (build_function_call): Use fold_convert instead of
951         building a NOP_EXPR directly.
952         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
953
954 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
955
956         PR rtl-optimization/25197
957         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
958         have a reg.
959
960 2005-12-02  Stuart Hastings  <stuart@apple.com>
961
962         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
963         warning.
964
965 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
966
967         * c-typeck.c (default_function_array_conversion,
968         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
969         (build_conditional_expr): Apply integer_zerop to orig_op1 and
970         orig_op2.  Don't check them for NOP_EXPR.
971         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
972         around integer zero.
973
974 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
975
976         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
977         toc_save_offset, toc_size, lr_size.
978         (rs6000_stack_info): Use memset rather than bss struct copy to init.
979         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
980         Adjust for removal of unused rs6000_stack_t fields.
981         (debug_stack_info): Adjust.
982         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
983         first, and don't bother checking for set/inc of lr on sibcalls.
984         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
985
986 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
987
988         PR target/25199
989         * config/i386/i386.md (movqi_1): Only force imovx for alternative
990         5 if operand 1 is not aligned.  Undo previous constraint change.
991         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
992
993 2005-12-02  Richard Guenther  <rguenther@suse.de>
994
995         * tree.h (build): Remove prototype.
996         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
997         * tree.c (build): Remove.
998         (build0_stat): Update comment.
999
1000 2005-12-02  Richard Guenther  <rguenther@suse.de>
1001
1002         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1003         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1004         Likewise.
1005         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1006         maybe_fold_offset_to_component_ref): Likewise.
1007         * tree-ssa-dom.c (thread_across_edge,
1008         simplify_rhs_and_lookup_avail_expr,
1009         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1010         Likewise.
1011         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1012         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1013         lower_try_finally_switch): Likewise.
1014         * tree-if-conv.c (add_to_dst_predicate_list,
1015         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1016         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1017         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1018         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1019         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1020         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1021         gimplify_init_ctor_eval, gimplify_init_constructor,
1022         gimplify_variable_sized_compare, gimplify_boolean_expr,
1023         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1024         gimplify_expr, gimplify_body, gimplify_function_tree,
1025         force_gimple_operand): Likewise.
1026         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1027         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1028         mx_register_decls): Likewise.
1029         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1030         get_frame_field, finalize_nesting_tree_1): Likewise.
1031         * tree-inline.c (setup_one_parameter): Likewise.
1032         * tree-vect-transform.c (vectorizable_condition): Likewise.
1033         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1034         Likewise.
1035         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1036         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1037         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1038         * tree-chrec.h (build_polynomial_chrec): Likewise.
1039
1040 2005-12-02  Richard Guenther  <rguenther@suse.de>
1041
1042         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1043         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1044         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1045         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1046         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1047         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1048         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1049         Likewise.
1050         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1051         sh_adjust_unroll_max): Likewise.
1052         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1053         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1054         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1055         Likewise.
1056         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1057         Likewise.
1058         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1059         Likewise.
1060
1061 2005-12-02  Richard Guenther  <rguenther@suse.de>
1062
1063         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1064         simplify_cond_using_ranges): Use buildN instead of build.
1065         * tree-tailcall.c (adjust_accumulator_values,
1066         adjust_return_value): Likewise.
1067         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1068         generate_element_copy, generate_element_zero,
1069         generate_one_element_init): Likewise.
1070         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1071         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1072         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1073         perfect_nestify): Likewise.
1074
1075 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1076
1077         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1078
1079 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1080
1081         * ggc.h (GGC_RESIZEVEC): New.
1082
1083 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1084
1085         * gcc.c (execute): Improve readability.
1086
1087 2005-12-02  Richard Guenther  <rguenther@suse.de>
1088
1089         * tree-cfg.c (mark_used_vars): New function.
1090         (dump_function_to_file): Dump only used VAR_DECLs.
1091
1092 2005-12-02  Richard Guenther  <rguenther@suse.de>
1093
1094         * convert.c (convert_to_integer): Fix compare for nonpositive
1095         constant to use tree_int_cst_sgn <= 0.
1096
1097 2005-12-02  Richard Guenther  <rguenther@suse.de>
1098
1099         * convert.c (convert_to_integer): Use fold_convert instead
1100         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1101         instead of comparing against 0.  Use build_int_cst instead
1102         of converting integer_zero_node.
1103
1104 2005-12-02  Richard Guenther  <rguenther@suse.de>
1105
1106         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1107         and RROTATE_EXPR.
1108  
1109 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1110
1111         PR target/21017
1112         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1113         rotates.
1114
1115 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1116
1117         PR middle-end/25176
1118         * function.c (expand_function_end): Emit blockage for unwinder
1119         after return label.
1120
1121 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1122
1123         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1124         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1125         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1126         integer constant comparisons.
1127
1128 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1129             Janis Johnson  <janis187@us.ibm.com>
1130             David Edelsohn  <dje@watson.ibm.com>
1131             Ben Elliston  <bje@au.ibm.com>
1132
1133         * dfp.h, dfp.c: New files.
1134         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1135         (DECNUM_H): Likewise.
1136         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1137         (INCLUDES): Append $(DECNUMINC).
1138         (OBJS-common): Add dfp.o.
1139         (dfp.o): New rule.
1140         * real.h (EXP_BITS): Pinch one bit to ..
1141         (struct real_value): Add decimal field.
1142         (real_format): Change table size, update documentation.
1143         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1144         (real_from_string3): Declare.
1145         (decimal_single_format): Declare.
1146         (decimal_double_format): Declare.
1147         (decimal_quad_format): Declare.
1148         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1149         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1150         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1151         * real.c: Include dfp.h.
1152         (normalize): Early return for decimal floats.
1153         (do_add): Zero decimal field.
1154         (do_compare): Call do_decimal_compare for decimal floats.
1155         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1156         (real_arithmetic): Call decimal_real_arithmetic for decimal
1157         floating point operands.
1158         (real_identical): If a and b are of differing radix, return false.
1159         (real_to_integer): Call decimal_real_to_integer if the value is a
1160         decimal float.
1161         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1162         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1163         (real_to_hexadecimal): Place "N/A" in the return string for
1164         decimal float.
1165         (real_from_string3): New variant, given a mode.
1166         (real_maxval): Use decimal_real_maxval for decimal floats.
1167         (round_for_format): Use decimal_round_for_format for decimals.
1168         (real_convert): Use decimal_real_convert where appropriate.
1169         (significand_size): Handle base 10.
1170         (encode_decimal_single, decode_decimal_single,
1171         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1172         decode_decimal_quad): New functions.
1173         (decimal_single_format): New.
1174         (decimal_double_format): New.
1175         (decimal_quad_format): New.
1176         * machmode.def: Add SD, DD and TD decimal floating point modes.
1177         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1178         Include MODE_DECIMAL_FLOAT.
1179         (DECIMAL_FLOAT_MODE_P): New.
1180         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1181         * genmodes.c (struct mode_data): Add counter field.
1182         (struct mode_data): Update comment for format.
1183         (blank_mode): Initialise counter field.
1184         (new_mode): Increment counter field for each mode defined.
1185         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1186         using a format.
1187         (make_complex_modes): Handle modes containing `D'.
1188         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1189         (make_decimal_float_mode): New.
1190         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1191         (cmp_modes): Compare counter field if other characteristics
1192         similar.
1193         (emit_real_format_for_mode): Support formats for decimal floats.
1194         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1195         Document MODE_DECIMAL_FLOAT.
1196
1197 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1198
1199         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1200         Delete dead code.
1201
1202 2005-12-01  Richard Henderson  <rth@redhat.com>
1203
1204         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1205
1206 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1207
1208         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1209
1210         * config/pa/pa.c (pa_init_builtins): If we detect
1211         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1212         putc_unlocked.
1213
1214 2005-12-01  Richard Guenther  <rguenther@suse.de>
1215
1216         * fold-const.c (fold_binary): Use fold_build2, not
1217         fold (build (...)).
1218
1219 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1220
1221         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1222
1223         * vec.h (VEC_block_remove): New.
1224
1225 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1226
1227         PR c/13384
1228         * c-common.c (lvalue_error): Fix wording.
1229
1230 2005-12-01  Richard Guenther  <rguenther@suse.de>
1231
1232         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1233         thinko in last patch.
1234
1235 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1236
1237         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1238         than -flat_namespace.
1239
1240 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1241
1242         * mklibgcc.in: Parameterise the script to build soft float
1243         functions by iterating over each type, rather than cloning the
1244         code for each type.
1245
1246 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1247
1248         PR middle-end/25158
1249         * builtins.c (fold_builtin_fputs): Defer check for missing
1250         replacement functions.
1251
1252 2005-11-30  Kean Johnston  <jkj@sco.com>
1253
1254         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1255         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1256
1257 2005-11-30  Richard Guenther  <rguenther@suse.de>
1258
1259         PR tree-optimization/22501
1260         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1261         function split out from ...
1262         (forward_propagate_addr_expr): ... here.  Use it to propagate
1263         ADDR_EXPRs to all uses.
1264
1265 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1266
1267         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1268         * builtins.c (expand_builtin_mathfn): Use them.
1269         (expand_builtin_mathfn_2): Likewise.
1270         (expand_builtin_mathfn_3): Likewise.
1271         (expand_builtin_int_roundingfn): Likewise.
1272         (expand_builtin): Likewise.
1273         (integer_valued_real_p): Likewise.
1274         (fold_builtin_int_roundingfn): Likewise.
1275         (fold_builtin_bitop): Likewise.
1276         (fold_builtin_logarithm): Likewise.
1277         (fold_builtin_1): Likewise.
1278         * convert.c (convert_to_integer): Likewise.
1279         * fold-const.c (negate_mathfn_p): Likewise.
1280         (tree_expr_nonnegative_p): Likewise.
1281
1282 2005-11-30  Dale Johannesen  <dalej@apple.com>
1283             Andrew Pinski  <pinskia@physics.uc.edu>
1284
1285         * combine.c (find_split_point):  Sign extend bitmask
1286         when changing bitfield assignment to IOR of AND.
1287
1288 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1289
1290         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1291         clobber to scratch reg.
1292         (*decrement_and_branch_until_zero_no_clobber): Remove.
1293         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1294         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1295         * config/ms1/ms1.opt (mmul): Remove.
1296         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1297         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1298
1299 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1300             Bernd Schmidt  <bernd.schmidt@analog.com>
1301
1302         * pa/predicates.md (symbolic_operand): Add comment.
1303         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1304         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1305         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1306         (pa_secondary_reload_class): Delete.
1307         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1308         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1309         copy of symbolic operand.
1310         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1311
1312 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1313
1314         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1315         jump.
1316
1317 2005-11-30  Jeff Law  <law@redhat.com>
1318
1319         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1320         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1321
1322 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1323
1324         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1325         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1326         (ia64_expand_move): Adjust caller.
1327
1328         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1329         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1330         negate VAL.
1331
1332 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1333
1334         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1335         Always produce an output if we can remove NEGs or canonicalize
1336         (minus (minus ...)) expressions.  Provide a fast path for the
1337         two-operand case.
1338         (simplify_gen_binary): Do not call simplify_plus_minus.
1339         (simplify_binary_operation_1): Reassociate at the end of the
1340         function.
1341
1342 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1343
1344         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1345         moves and unpack to speed up.
1346
1347 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1348
1349         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1350         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1351         (gen_v9_scc): Update callers.
1352         * config/sparc/sparc.md: Likewise.
1353         * config/sparc/sparc-protos.h: Update extern declaration.
1354
1355         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1356
1357 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1358
1359         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1360         the if.
1361
1362 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1363
1364         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1365         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1366         (negate_expr): Here.
1367
1368 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1369
1370         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1371         Fix typo in comment.
1372
1373 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1374
1375         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1376         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1377
1378 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1379
1380         PR middle-end/20109
1381         PR middle-end/25120
1382         * builtins.c (init_target_chars): New.
1383         (expand_builtin_printf, expand_builtin_fprintf,
1384         expand_builtin_sprintf, fold_builtin_sprintf,
1385         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1386         fold_builtin_snprintf_chk, fold_builtin_printf,
1387         fold_builtin_fprintf): Check for matching format strings using
1388         the target charset.
1389
1390 2005-11-29  Paul Brook  <paul@codesourcery.com>
1391
1392         * config.gcc: Do not use fixproto on m68k-elf.
1393
1394 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1395
1396         * expmed.c (div_cost): Replace with...
1397         (sdiv_cost, udiv_cost): New.
1398         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1399         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1400         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1401         (expand_divmod): Replace use of div_cost with either sdiv_cost
1402         or udiv_cost depending upon the signedness of the operation.
1403
1404 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1405
1406         PR libfortran/24991
1407         * config/darwin.c (machopic_indirection_name,
1408         machopic_output_indirection): Follow transparent alias chain.
1409
1410 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1411
1412         * varasm.c (ultimate_transparent_alias_target): Add comment.
1413
1414 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1415
1416         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1417         SET_SRC instead of XEXP where appropriate.
1418
1419 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1420
1421         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1422         __builtin_expect.
1423
1424 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1425
1426         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1427         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1428         bit at a time.
1429
1430 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1431
1432         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1433         secondary_input_reload_class, made static.  Adapt to new
1434         infrastructure.
1435         (secondary_output_reload_class): Delete.
1436         (TARGET_SECONDARY_RELOAD): New macro.
1437         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1438         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1439
1440 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1441
1442         PR c++/21166
1443         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1444         when its natural alignment is > BITS_PER_UNIT.
1445         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1446         * c-common.c (handle_packed_attribute): Ignore packing on a field
1447         whose type is naturally char aligned.
1448
1449 2005-11-28  Richard Guenther  <rguenther@suse.de>
1450
1451         * c-common.c (strict_aliasing_warning): Handle all
1452         component-ref like accesses.
1453
1454 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1455             Uros Bizjak  <uros@kss-loka.si>
1456
1457         PR middle-end/20219
1458         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1459         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1460         when flag_unsafe_math_optimizations is set and
1461         we don't care about NaNs or Infinities.
1462
1463         Move x/expN(y) and x/pow(y,z) transformation into common
1464         flag_unsafe_math_optimizations section.
1465
1466 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1467
1468         * gcc.c (main): Change type of argv to "char **".
1469
1470 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1471
1472         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1473         small data sections.
1474         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1475         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1476         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1477         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1478         output locals to sbss if !rs6000_elf_in_small_data_p.
1479         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1480
1481 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1482
1483         PR target/24997
1484         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1485         generated by reload.
1486         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1487         indexed_or_indirect_address.
1488         (indexed_or_indirect_address): Don't test for base reg.  Call
1489         address_operand last.  Make it a special predicate.
1490
1491 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1492
1493         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1494
1495 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1496
1497         PR middle-end/24575
1498         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1499         is undefined.
1500         (negate_expr): Likewise.
1501
1502 2005-11-27  Andreas Schwab  <schwab@suse.de>
1503
1504         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1505         redundant parens.
1506
1507 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1508
1509         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1510         has EH predecessor edges.
1511
1512 2005-11-26  Eric Christopher  <echristo@apple.com>
1513
1514         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1515         register stalls by zero extending to the full register.
1516
1517 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1518
1519         * config/floatunsisf.c, config/floatunsidf.c,
1520         config/floatunsixf.c, config/floatunsitf.c: New files.
1521         * config/ia64/t-hpux: Add floatunsitf.c.
1522         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1523         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1524
1525 2005-11-26  Richard Henderson  <rth@redhat.com>
1526
1527         * c-lex.c (pragma_lex): Rename from c_lex.
1528         * c-pch.c: Update for pragma_lex rename.
1529         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1530         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1531         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1532         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1533         * doc/tm.texi: Likewise.
1534
1535 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1536
1537         PR middle-end/23669
1538         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1539         when overflow is undefined.
1540
1541 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1542
1543         * doc/md.texi (Insn Canonicalizations): Refer to the
1544         function commutative_operand_precedence for further rules.
1545
1546 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1547
1548         PR middle-end/21309
1549         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1550         is less than zero.  Limit mult_cost to a reasonable upper bound for
1551         the synthetic multiplication sequence.
1552
1553 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1554
1555         PR middle-end/25022
1556         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1557         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1558         Lookup the explicit replacement functions for any unlocked
1559         stdio builtin transformations.
1560
1561 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1562
1563         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1564         earlyclobber.
1565         * targhooks.c (default_secondary_reload): Don't require operand 2
1566         for an input reload to be earlyclobber.
1567
1568 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1569
1570         * fold-const.c (negate_mathfn_p): Fix comment and add support
1571         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1572         BUILT_IN_ATANH.
1573
1574 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1575
1576         PR middle-end/24998
1577         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1578         _Q_ulltoq for unsigned conversions from SImode and DImode to
1579         TFmode.
1580
1581 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1582
1583         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1584         (__floatundidf, __floatundisf): Likewise.
1585
1586 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1587
1588         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1589         (rs6000_override_options): Remove initialization of
1590         rs6000_sr_alias_set.
1591         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1592         (rs6000_emit_stack_tie): Same.
1593         (emit_frame_save): Same.
1594         (gen_frame_mem_offset): Same.
1595         (rs6000_emit_prologue): Same.
1596         (rs6000_emit_epilogue): Same.
1597
1598 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1599
1600         PR middle-end/24989
1601         * fold-const.c (fold_build): Convert bool_var != 1 and
1602         bool_var == 0 to !bool_var.
1603
1604 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1605
1606         PR middle-end/24990
1607         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1608         for C being INTEGER_CST.  Likewise for !=.
1609
1610 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1611
1612         PR middle-end/24998
1613         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1614         unsigned conversions from SImode to TFmode.
1615
1616 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1617
1618         * expr.c (expand_expr_real_1): Fix error in last change.
1619
1620 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1621
1622         * caller-save.c: (this_insn_sets): Move into:
1623         (save_call_clobbered_regs).
1624         (mark_set_regs): Get this_insn_sets from data.
1625
1626         (save_call_clobbered_regs): Take sets of the return value by
1627         sibcalls into account.
1628
1629 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1630         PR target/21623:
1631
1632         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1633         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1634         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1635         (memory_move_secondary_cost, init_reg_autoinc): Remove
1636         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1637         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1638         secondary_reload_class call.
1639         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1640         callers.
1641         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1642         (push_secondary_reload): Use secondary_reload target hook.
1643         (secondary_reload_class, scratch_reload_class): New functions.
1644         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1645         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1646         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1647         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1648         (secondary_reload_class, scratch_reload_class): Declare.
1649         * reload1.c: Include target.h.
1650         (reload_adjust_reg_for_temp): New function.
1651         (reload_adjust_reg_for_icode): Likewise.
1652         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1653         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1654         call.
1655         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1656         for inheritance.  Support case when both secondary & tertiary reloads
1657         are for intermediate registers.
1658         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1659         with secondary_reload_class call.  Support case when both secondary
1660         & tertiary reloads are for intermediate registers.
1661         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1662         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1663         * target.h (secondary_reload_info): New struct / typedef.
1664         (struct gcc_target): New member secondary_reload.
1665         * targhooks.c Include reload.h, optabs.h and recog.h.
1666         (default_secondary_reload): New function.
1667         * targhooks.h (default_secondary_reload): Declare.
1668         * doc/tm.texi: Document secondary_reload target hook.  Update
1669         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1670         * doc/md.texi: Likewise.
1671
1672         * sh-protos.h (sh_secondary_reload): Declare.
1673         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1674         (sh_secondary_reload): New function.
1675         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1676         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1677         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1678         (HAVE_SECONDARY_RELOADS): Define.
1679         * sh.md (reload_indf): Rename to:
1680         (reload_indf__frn).
1681         (reload_outdf): Rename to:
1682         (reload_outdf__RnFRm).
1683         (reload_insf): Rename to:
1684         (reload_insf__frn).
1685         (reload_insi): Rename to:
1686         (reload_insi__i_fpul).
1687
1688 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1689
1690         * configure.ac: Require at least texinfo 4.4.
1691         * configure: Regenerate.
1692
1693         * doc/install.texi (Tools/packages necessary for building GCC):
1694         Update required version of texinfo to at least 4.4.
1695         (Installing GCC: Building): Update required version of texinfo
1696         to at least 4.4.
1697         (Installing GCC: Final installation): Update required version
1698         of texi2dvi to at least 4.4.
1699         (Host/target specific installation notes for GCC): Update required
1700         version of texinfo to at least 4.4.
1701
1702 2005-11-24  Richard Guenther  <rguenther@suse.de>
1703         Dirk Mueller <dmueller@suse.de>
1704
1705         PR c++/14024
1706         * c-common.h (strict_aliasing_warning): Declare.
1707         * c-common.c (strict_aliasing_warning): New function,
1708         split out from ...
1709         * c-typeck.c (build_c_cast): ... here.
1710
1711 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1712
1713         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1714         to order operands.
1715         (swap_commutative_operands_with_target): New.
1716
1717 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1718
1719         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1720         also when doing PRE, rather than only for global CPROP.
1721
1722 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1723
1724         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1725         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1726         formatting.
1727         (expand_twoval_unop): Likewise.
1728         (widen_clz): Likewise.
1729         (expand_parity): Likewise.
1730         (expand_unop): Likewise.
1731         (emit_cmp_and_jmp_insn_1): Likewise.
1732         (prepare_float_lib_cmp): Likewise.
1733
1734 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1735
1736         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1737         Remove unused `class' variable.
1738
1739 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1740
1741         PR c++/21667
1742         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1743         C/C++ diagnostic function warn_array_subscript_with_type_char.
1744         * c-common.h (warn_array_subscript_with_type_char): Declare.
1745         * c-common.c (warn_array_subscript_with_type_char): Define.
1746
1747 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1748
1749         PR c/21668
1750         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1751         compiling at the intersection of C and C++.
1752
1753 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1754
1755         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1756         List @file in the option summary.  Include the libiberty
1757         documentation for @file.
1758         * gcc.c (main): Call expandargv.
1759         * Makefile.in (gcc-vers.texi): Define srcdir.
1760
1761 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1762
1763         * passes.c (init_optimization_passes): Document
1764         sequencing of passes.
1765
1766 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1767
1768         * config/m68k/predicates.md (pcrel_address, extend_operator,
1769         post_inc_operand, pre_dec_operand): Remove redundant
1770         conditionals.
1771         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1772         instead of abort.
1773         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1774
1775 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1776
1777         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1778
1779 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1780
1781         Preparatory work for PR target/21623:
1782         * alpha.c (secondary_reload_class): Rename to:
1783         (alpha_secondary_reload_class).
1784         * alpha.h, alpha-protos.h: Likewise.
1785         * mn10300.c (secondary_reload_class): Rename to:
1786         (mn10300_secondary_reload_class).
1787         * mn10300.h, mn10300-protos.h: Likewise.
1788         * pa.c (secondary_reload_class): Rename to:
1789         (pa_secondary_reload_class).
1790         * pa.h, pa-protos.h: Likewise.
1791         * rs6000.c (secondary_reload_class): Rename to:
1792         rs6000_secondary_reload_class.
1793         * rs6000.h, rs6000-protos.h: Likewise.
1794
1795 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1796
1797         PR middle-end/22561
1798         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1799
1800 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1801
1802         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1803         a mode_class.
1804         (prepare_cmp_insn): Likewise.
1805
1806 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1807
1808         PR target/23435
1809         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1810         if both operands[0] and operands[1] are memory.
1811
1812 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1813
1814         PR middle-end/23606
1815         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1816         COMPARISON_CLASS_P and an integral types create create a new
1817         expression with the new type and fold that.
1818
1819 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1820
1821         PR target/24988
1822         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1823         to SUBTARGET_OS_CPP_BUILTINS.
1824
1825 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1826
1827         * arm.c (emit_set_insn): New function.
1828         (arm_split_constant): Call it.
1829         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1830         (arm_legitimize_address): Likewise.  Use plus_constant.
1831         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1832         (thumb_expand_prologue): Likewise.
1833         (arm_gen_load_multiple): Use VOIDmode in SET.
1834         (arm_gen_store_multiple): Likewise.
1835         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1836         (emit_multi_reg_push): Likewise.
1837         (emit_sfm): Use plus_constant.
1838
1839 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1840
1841         PR target/24954
1842         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1843         typo last change.
1844
1845 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1846
1847         PR middle-end/24950
1848         * expmed.c (store_bit_field): Don't attempt to insv a field
1849         larger than the reg.
1850
1851 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1852
1853         PR target/24954
1854         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1855         explicit sign extension, not a (char) cast.
1856
1857 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1858
1859         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1860         GET_MODE_CLASS (x) == MODE_FLOAT.
1861         * config/i386/i386.c: Likewise.
1862         * config/rs6000/xcoff.h: Likewise.
1863         * config/rs6000/linux64.h: Likewise.
1864         * config/rs6000/rs6000.c: Likewise.
1865         * config/rs6000/rs6000.h: Likewise.
1866         * config/rs6000/predicates.md: Likewise.
1867         * config/rs6000/sysv4.h: Likewise.
1868
1869 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1870
1871         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1872         flag_pic is set.
1873
1874         * config/alpha/freebsd.h, config/alpha/linux.h,
1875         config/arm/linux-elf.h, config/bfin/bfin.h,
1876         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1877         config/i386/beos-elf.h, config/i386/gnu.h,
1878         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1879         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1880         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1881         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1882         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1883         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1884         config/sparc/linux.h, config/sparc/linux64.h,
1885         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1886
1887         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1888         are both defined when either flag -fpic or -fPIC are used.
1889
1890 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1891
1892         * config/fp-bit.c (clzusi): New function.
1893         (si_to_float, usi_to_float): Use it to compute proper shift.
1894         (usi_to_float): Preserve guard bits when shifting right.
1895         * libgcc-std.ver (GCC_4.2.0): New version.
1896         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1897         __floatundisf): New functions.
1898         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1899         __floatundisf): Declare.
1900         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1901         _floatundixf, and _floatunditf.
1902         * optabs.c (expand_float): If target does not define a pattern for
1903         signed or unsigned conversion, use an unsigned libcall instead of
1904         a signed one.
1905         (init_optabs): Initialize ufloat_optab.
1906
1907 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1908
1909         * config/rs6000/rs6000.opt (mmulhw): New option.
1910         * doc/invoke.texi (-mmulhw): Document.
1911         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1912         for 405 and 440.
1913         * config/rs6000/rs6000.md: Add half-word multiply and
1914         multiply-accumulate instructions for 405 and 440.
1915
1916 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1917
1918         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1919         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1920         default now includes a linker group which makes the RTEMS one nest.
1921
1922 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1923
1924         * cse.c (fold_rtx): Typo fix.
1925         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1926
1927 2005-11-21  Richard Henderson  <rth@redhat.com>
1928
1929         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1930         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1931
1932         * c-tree.h (lookup_name): Move declaration ...
1933         * c-common.h (lookup_name): ... here.
1934         * config/darwin-c.c: Include c-common.h.
1935         * config/t-darwin: Update dependencies.
1936
1937 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1938
1939         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1940         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1941         * genopinit.c (gen_insn): Likewise.
1942         * reload.c (find_equiv_reg): Likewise.
1943         * loop.c (load_mems): Likewise.
1944         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1945         * cse.c (find_comparison_args, fold_rtx): Likewise.
1946         * dwarf2out.c (add_const_value_attribute): Likewise.
1947         * expr.c (convert_move): Likewise.
1948         * recog.c (general_operand, register_operand): Likewise.
1949         * reg-stack.c (replace_reg): Likewise.
1950         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1951         * c-common.c (handle_vector_size_attribute): Likewise.
1952         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1953         (simplify_binary_operation_1): Likewise.
1954         (simplify_const_binary_operation): Likewise.
1955         (simplify_relational_operation): Likewise.
1956         (simplify_const_relational_operation): Likewise.
1957         (simplify_immed_subreg): Likewise.
1958         * emit-rtl.c (gen_lowpart_common): Likewise.
1959         * expmed.c (expand_mult): Likewise.
1960         * stor-layout.c (layout_type): Likewise.
1961
1962 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1963
1964         PR target/24951
1965         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1966         cst2 only for SPE vectors.
1967
1968 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
1969
1970         PR target/24953
1971         * config/rs6000/predicates.md (vrsave_operation): Check
1972         UNSPEC_VOLATILE value.
1973
1974 2005-11-21  Jan Hubicka  <jh@suse.cz>
1975
1976         PR tree-optimization/24653
1977         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1978
1979 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1980
1981         * config/i386/predicates.md (ax_reg_operand): New predicate.
1982         (memory_displacement_only_operand): New predicate.
1983         * config/i386/i386.md ("modrm" attribute): Return 0 if one
1984         operand is AX register and the other operand is memory operand
1985         with displacement only.
1986
1987 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1988
1989         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1990         if we don't care about NaNs or Infinities.
1991
1992 2005-11-20  Ian Lance Taylor  <ian@airs.com>
1993
1994         PR rtl-optimization/24883
1995         * combine.c (combinable_i3pat): When checking whether the
1996         destination of i3 is used in i3, consider paradoxical subregs.
1997
1998 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
1999
2000         PR middle-end/20583
2001         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2002
2003 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2004
2005         * combine.c (try_combine): Do not run subst on i1src and i2src in
2006         the case of generating a PARALLEL for a comparison.
2007
2008 2005-11-20  Richard Henderson  <rth@redhat.com>
2009
2010         PR 24931
2011         * tree-sra.c (struct sra_elt): Add all_no_warning.
2012         (struct sra_walk_fns) <use>: Add use_all argument.
2013         (sra_walk_expr): Pass it.
2014         (sra_walk_modify_expr): Likewise.
2015         (scalarize_ldst): Likewise.
2016         (scan_use): Update for new argument.
2017         (mark_no_warning): New.
2018         (scalarize_use): Use it.
2019
2020 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2021
2022         * expr.c (expand_expr_real): Use usmul_optab for widening
2023         signed * unsigned multiplies.
2024         * genopinit.c (optabs): Add usmul_widen_optab.
2025         * optabs.c (init_optabs): Likewise.
2026         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2027         (usmul_widen_optab): Define.
2028         * config/bfin/bfin.md (usmulhisi3): New pattern.
2029
2030         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2031
2032 2005-11-20  Graham Stott <btinternet.com>
2033
2034         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2035
2036 2005-11-20  Andreas Schwab  <schwab@suse.de>
2037
2038         PR target/24757
2039         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2040         insn.
2041
2042 2005-11-19  Richard Henderson  <rth@redhat.com>
2043
2044         PR tree-opt/24665
2045         * tree-gimple.c (is_gimple_id): Export.
2046         * tree-gimple.h (is_gimple_id): Declare.
2047         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2048         (get_default_value): Use it.
2049         (maybe_fold_stmt_indirect): Likewise.
2050
2051 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2052
2053         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2054         than VR1 or vice-versa.
2055
2056 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2057
2058         PR middle-end/24912
2059         PR middle-end/24750
2060         * reload.c (find_reloads_address_1): Mention dependency on
2061         gen_reload.
2062         * reload1.c (gen_reload): For IN with an unary operation, try
2063         moving inner expression to OUT if trivial SET is not valid.
2064         Confirm that the result is valid.  Move common code block into...
2065         (emit_insn_if_valid_for_reload): New function.
2066
2067 2005-11-19  Richard Guenther  <rguenther@suse.de>
2068
2069         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2070         ARRAY_REFs of constant strings.
2071
2072 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2073
2074         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2075         fatal format string.
2076
2077 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2078
2079         * combine.c (make_compound_operation): Swap operands of
2080         commutative operation if necessary before returning.
2081
2082 2005-11-19  Richard Guenther  <rguenther@suse.de>
2083
2084         PR middle-end/23294
2085         * fold-const.c (fold_plusminus_mult_expr): New function.
2086         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2087         cases, remove now unnecessary code.
2088
2089 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2090
2091         * gensupport.c (old_preds): Rename to std_preds, add special field.
2092         (struct old_pred_table): Rename to struct std_pred_table, add special
2093         field.
2094         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2095         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2096         (init_predicate_table): Adjust, and set along the way whether a
2097         predicate is special.
2098
2099 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2100
2101         * BASE-VER: Change to 4.2.0.
2102
2103 2005-11-18  James E Wilson  <wilson@specifix.com>
2104
2105         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2106         returning it.
2107
2108 2005-11-18  Mike Stump  <mrs@apple.com>
2109
2110         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2111         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2112         * c-decl.c (lookup_name_two) Remove.
2113         * c-tree.h (lookup_name_two): Remove.
2114         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2115         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2116         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2117         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2118
2119 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2120
2121         PR target/24914
2122         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2123         when not generating code to use that co-processor.
2124
2125 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2126
2127         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2128         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2129         these functions are now in tree-phinodes.c.
2130
2131 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2132
2133         * config/bfin/bfin.md (trap): New pattern.
2134
2135 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2136
2137         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2138         on types.
2139
2140         * expr.c (expand_expr_real): Don't call record_block_change unless
2141         ib_boundaries_block is non-null
2142
2143         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2144
2145         * fold-const.c (build_range_check): Use proper type for subtraction
2146         when merging lower bound.
2147
2148 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2149
2150         PR rtl-optimization/24497
2151         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2152         the copied insn.
2153
2154 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2155
2156         * tree-scalar-evolution.c (expression_expensive_p): New function.
2157         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2158
2159 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2160
2161         * config/bfin/crtlibid.s: New file.
2162
2163 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2164
2165         PR target/24348
2166         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2167         when not using sjlj exceptions.
2168         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2169         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2170         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2171         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2172         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2173         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2174         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2175         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2176         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2177         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2178         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2179         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2180         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2181         defines.
2182         * config/pa/hpux-unwind.h: New file.
2183
2184 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2185
2186         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2187         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2188         * varasm.c (do_assemble_alias): Adjust call.
2189         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2190         is defined.
2191         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2192
2193 2005-11-17  James E Wilson  <wilson@specifix.com>
2194
2195         * tree.def (FUNCTION_DECL): Correct typo in comment.
2196
2197 2005-11-17  Richard Henderson  <rth@redhat.com>
2198
2199         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2200         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2201         and DW_CFA_def_cfa_sf.
2202         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2203         (dbx_reg_number): Don't assert particular registers here.
2204         (based_loc_descr): ... do it here instead.  Fold in ...
2205         (eliminate_reg_to_offset): ... this function.
2206         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2207         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2208         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2209         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2210         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2211         (instantiate_virtual_regs): Likewise.
2212         * var-tracking.c (adjust_stack_reference): Likewise.
2213         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2214
2215 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2216
2217         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2218         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2219         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2220         crtlibid.o.
2221         ($(T)crtlibid.o): New rule.
2222
2223 2005-11-16  Richard Guenther  <rguenther@suse.de>
2224
2225         PR middle-end/24851
2226         * fold-const.c (extract_array_ref): Return byte offset
2227         in all cases.
2228         (fold_binary): Fold &x[a] CMP &x[b] to
2229         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2230         behavior.
2231
2232 2005-11-16  Richard Henderson  <rth@redhat.com>
2233
2234         PR middle-end/23497
2235         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2236         parts of an SSA_NAME.
2237
2238 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2239
2240         PR target/24861
2241         * arm.md (split for movsf with immediate): Restrict split to insns
2242         that set a general register.
2243
2244 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2245
2246         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2247         uw_update_context.
2248         * unwind-dw2.c (uw_advance_context): Likewise.
2249         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2250         _Unwind_SjLj_Unregister.
2251         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2252
2253 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2254
2255         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2256
2257 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2258
2259         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2260         langhook to get a DImode integer type.
2261
2262 2005-11-16  Richard Henderson  <rth@redhat.com>
2263             J"orn Rennecke <joern.rennecke@st.com>
2264             Ulrich Weigand  <uweigand@de.ibm.com>
2265
2266         PR rtl-opt/24160
2267         PR target/24621
2268         * reload1.c (reg_equiv_invariant): New.
2269         (reload): Allocate, initialize, and free it.
2270         (calculate_needs_all_insns): Check it when skipping equivalence
2271         setting insns.
2272         (alter_reg): Likewise.
2273         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2274         may_use_invariant argument; only use reg_equiv_invariant when true.
2275         (eliminate_regs): New.
2276         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2277         a context for which may_use_invariant may be true.
2278
2279 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2280
2281         * fold-const.c (const_binop): Don't constant fold the operation
2282         if the result has overflowed and flag_trapping_math.
2283         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2284
2285 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2286
2287         * config/arm/unwind-arm.c (abort): Add prototype here.
2288         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2289         (struct phase1_vrs): Add prev_sp.
2290         (unwind_phase2_forced): Save the original core registers instead of
2291         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2292         and set action flags accordingly.  Always set _US_END_OF_STACK when
2293         get_eit_entry fails.  Unwind before calling the stop function.
2294         (_Unwind_GetCFA): New function.
2295         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2296         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2297         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2298         just call unwind_phase2_forced.
2299         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2300         * config/arm/unwind-arm.h (abort): Remove prototype.
2301         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2302         prototypes.
2303         (_Unwind_GetCFA): New prototype.
2304         * config/arm/pr-support.c (abort): Add prototype here.
2305         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2306         forced unwinding.
2307         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2308         not schedule the prologue with non-call exceptions and EABI.
2309
2310 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2311
2312         * config/arm/unwind-arm.h: Reorder interface function declarations.
2313         (_URC_END_OF_STACK): New enumeration value.
2314         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2315         (struct _Unwind_Control_Block): Document reserved field use.
2316         (_Unwind_Stop_Fn): New typedef.
2317         (_Unwind_ForcedUnwind): Declare.
2318         (_Unwind_Resume_or_Rethrow): Declare.
2319         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2320         argument.  Adjust.
2321         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2322         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2323         (UCB_FORCED_STOP_ARG): New.
2324         (search_EIT_table): Update boundary condition checks.
2325         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2326         (unwind_phase2): Replace for with do..while.
2327         (unwind_phase2_forced): New.
2328         (__gnu_Unwind_RaiseException): Replace for with do..while.
2329         (__gnu_Unwind_ForcedUnwind): New.
2330         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2331         Use appropriate phase2 unwinder.
2332         (__gnu_Unwind_Resume_or_Rethrow): New.
2333         (__gnu_unwind_pr_common): Cope with forced unwinding.
2334
2335 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2336
2337         PR target/24772
2338         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2339
2340         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2341         roundsf2): Remove "s" from mnemonic.
2342
2343 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2344
2345         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2346         __PIC__ is defined.
2347         * config/bfin/crtn.s: Change epilogues to match.
2348         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2349         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2350         __PIC__ and __pic__.
2351
2352 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2353
2354         PR 24357
2355         * doc/invoke.texi: Distinguish between free and fixed form instead of
2356         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2357         languages.
2358         * gcc.c (default_compilers): Remove double entries, add entries for
2359         suffixes '.F90' and '.F95'.
2360
2361 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2362
2363         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2364         in the stack probing loop.
2365
2366 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2367
2368         * configure.ac: Use .machine power5 not power5x.
2369         * configure: Regenerate.
2370
2371 2005-11-15  Mike Stump  <mrs@apple.com>
2372
2373         * c-decl.c (lookup_name_two): Add.
2374         * c-tree.h (lookup_name_two): Likewise.
2375         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2376         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2377
2378 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2379
2380         PR rtl-optimization/23392
2381         * regrename.c (enum scan_actions) Add mark_access.
2382         (scan_actions_name): Ditto.
2383         (scan_rtx_reg): Handle mark_access.
2384         (scan_rtx_address): Do nothing for mark_access.
2385         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2386         and regs in REG_INC notes before closing chains for dead regs.
2387         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2388         opening chains for new writes.
2389
2390 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2391
2392         * c.opt (ffixed-line-length-none): New.
2393
2394 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2395
2396         * mklibgcc.in: Change contents of eh_dummy.c.
2397
2398 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2399
2400         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2401
2402 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2403
2404         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2405         of making syscalls.
2406         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2407
2408 2005-11-15  Jan Hubicka  <jh@suse.cz>
2409
2410         * invoke.texi (large-unit-insns): Document.
2411         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2412         * params.def (large-unit-insns): New param.
2413
2414 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2415
2416         PR target/24869
2417         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2418         special register for operand 3.  Reindent constraints to align
2419         them vertically.
2420
2421 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2422
2423         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2424         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2425         * configure.ac: Add test for FP rounding instructions.
2426         * configure: Regenerate.
2427         * config.in: Regenerate.
2428         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2429         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2430         features enabled.
2431         * config/rs6000/rs6000.opt (mfprnd): New.
2432         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2433         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2434         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2435         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2436         (TARGET_FPRND): New.
2437         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2438         UNSPEC_FRIZ): New.
2439         (btrunc<mode>2): New.
2440         (ceil<mode>2): New.
2441         (floor<mode>2): New.
2442         (round<mode>2): New.
2443
2444 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2445
2446         * gcc.c (version_compare_spec_function): Use fatal() rather than
2447         abort().
2448
2449         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2450         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2451         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2452         as empty.
2453         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2454         link in crt2.o.
2455
2456         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2457         on -mmacosx-version-min setting.
2458
2459 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2460
2461         PR 24840
2462         * tree-vrp.c (infer_value_range): Return false if STMT is a
2463         block terminator and its basic block has no successors.
2464
2465 2005-11-14  Mike Stump  <mrs@apple.com>
2466
2467         * config/i386/i386.c (override_options): -masm=intel isn't
2468         supported on darwin.
2469         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2470
2471 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2472
2473         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2474         vfork after including auto-host.h.
2475
2476 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2477
2478         PR rtl-optimization/22002
2479         * combine.c (distribute_notes): Detect cases where a reg dies
2480         two or more times in a bb, including on the insn we are combining,
2481         and place the death note on the correct range.
2482
2483 2005-11-14  Dale Johannesen  <dalej@apple.com>
2484
2485         * expmed.c (store_bit_field):  Add offset unconditionally for
2486         memory targets.
2487         (extract_bit_field):  Don't force extzv or extv operand into
2488         a register if field is too big.
2489
2490 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2491
2492         * config/arm/arm.c (pic_labelno): New.
2493         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2494         LABEL_REF.  Pass only the labelno to PIC insns.
2495         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2496         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2497         * arm.md (UNSPEC_PIC_LABEL): New constant.
2498         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2499         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2500         Use the correct label prefix.
2501
2502 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2503
2504         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2505         REQ_EQUIV note.
2506
2507 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2508
2509         * loop-invariant.c: Include tm_p.h.
2510         * Makefile.in: Updated.
2511
2512 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2513
2514         * pa.c (store_reg): Revise generation of frame notes in large frames.
2515         (set_reg_plus_d): Likewise.
2516
2517 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2518
2519         PR tree-optimization/24709
2520         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2521         loop check.
2522
2523 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2524
2525         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2526         and duplicate declaration of pthread_self.
2527
2528 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2529             Ian Lance Taylor  <ian@airs.com>
2530
2531         PR middle-end/24003
2532         * calls.c (expand_call): If TARGET is a MEM and some part of the
2533         argument area has been saved, force TARGET to a register.
2534
2535 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2536
2537         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2538         checking.
2539
2540 2005-11-13  Jason Merrill  <jason@redhat.com>
2541
2542         PR c++/22489
2543         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2544         lazily declared methods.
2545         (force_decl_die): Stop if forcing out the context already make a
2546         DIE for the decl.
2547         (force_type_die): Likewise.
2548
2549 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2550
2551         PR middle-end/24820
2552         * builtins.c (integer_valued_real_p): Add break in
2553         REAL_CST having TREE_OVERFLOW set.
2554
2555 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2556
2557         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2558         addressing modes during calculation of costs.
2559
2560 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2561
2562         * function.c (assign_stack_local_1): Restrict sanity check
2563         on frame size overflow to 32-bit and above platforms.
2564
2565 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2566
2567         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2568         * config/cris/cris.c: Include reload.h.
2569         (cris_initial_elimination_offset): New function.
2570         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2571         Prototype.
2572
2573 2005-11-12  Richard Guenther  <rguenther@suse.de>
2574
2575         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2576
2577 2005-11-12  Jan Hubicka  <jh@suse.cz>
2578
2579         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2580         to compare against 0 when possible.
2581
2582 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2583
2584         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2585         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2586         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2587         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2588         in the new order.
2589
2590 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2591
2592         * recog.c (constrain_operands) <case 'g'>: For a match, require
2593         that a non-register matches general_operand when strict >= 0.
2594
2595 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2596
2597         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2598         previous checkin.
2599
2600 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2601
2602         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2603         (memory_address_same): New.
2604         (dse_optimize_stmt): Call memory_address_same.
2605
2606 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2607
2608         PR middle-end/24750
2609         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2610         ZERO_EXTEND>: New cases.
2611
2612 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2613
2614         * longlong.h (__clz_tab): Always provide.
2615
2616 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2617
2618         PR 24265
2619         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2620         can be assigned to.
2621         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2622         before check_maybe_invariant.
2623         (move_invariant_reg): Use gen_move_insn instead of replacing
2624         SET_DEST with the temporary for the invariant.
2625         (move_loop_invariants): If checking is enabled, do internal
2626         consistency checks after completing the pass.
2627
2628 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2629
2630         PR 24644
2631         * common.opt (Wvolatile-register-var): New.
2632         * varasm.c (make_decl_rtl): Only emit warning when option
2633         specified.  Clarify warning message.
2634         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2635
2636         * doc/md.texi (copysign): Document standard named pattern.
2637
2638 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2639
2640         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2641         bytes when align is 2.
2642         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2643         by the first instruction of the loop.
2644
2645 2005-11-11  Jason Merrill  <jason@redhat.com>
2646
2647         PR c++/24686
2648         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2649         the cleanup list.
2650
2651 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2652
2653         PR rtl-optimization/22509
2654         * local-alloc.c (memref_used_between_p): Check whether a function call
2655         could not reference the memref.
2656
2657 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2658
2659         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2660         algorithm so as to choose the best, not the worst, alternative.
2661         Reset accumulated register class before processing next alternative.
2662
2663 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2664
2665         PR target/24445
2666         * calls.c (expand_call): Copy a return value to a plain register
2667         if needed.
2668
2669 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2670
2671         PR target/24778
2672         * varasm.c (assemble_name): Recompute name only for transparent
2673         aliases.
2674
2675 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2676
2677         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2678
2679 2005-11-04  Jeff Law  <law@redhat.com>
2680
2681         PR middle-end/23181
2682         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2683         perform reassociation if the parent statement will not die as
2684         a result of the optimization.
2685
2686 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2687
2688         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2689         delete_old_heap_vars.
2690         * tree-dfa.c (referenced_var_remove): Remove function.
2691         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2692         (delete_tree_ssa): Remove call to delete_old_heapvars.
2693         Add call to delete_alias_heapvars.
2694         * tree-flow.h (referenced_var_remove): Remove prototype
2695         (init_alias_heapvars): New prototype.
2696         (delete_alias_heapvars): Ditto.
2697         * Makefile.in (tree-ssa-structalias.o): Add
2698         gt-tree-ssa-structalias.o
2699         (GTFILES): Add tree-ssa-structalias.h and
2700         tree-ssa-structalias.c.
2701         (s-gtype): Add gt-tree-ssa-structalias.h.
2702         * tree-ssa-structalias.c (heapvars): Remove.
2703         (oldheapvars): Remove.
2704         (heapvar_for_stmt): New variable.
2705         (heapvar_lookup): New function.
2706         (heapvar_insert): Ditto.
2707         (get_constraint_for): See if we have an old heapvar
2708         to reuse.
2709         (init_alias_heapvars): New function.
2710         (delete_alias_heapvars): Ditto.
2711         Add include of gt-tree-ssa-structalias.h.
2712
2713 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2714
2715         PR middle-end/22127
2716         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2717
2718 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2719
2720         * tree.c (int_fits_type_p): Only look at the base type
2721         if it has the same precision as the original type.
2722
2723 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2724
2725         PR other/4372
2726         * varasm.c (assemble_alias): Use %q+D in the error
2727         message instead of %J and %qD.
2728
2729 2005-11-10  Richard Guenther  <rguenther@suse.de>
2730
2731         * gcse.c (free_ldst_entry): Only free hashtable if
2732         it exists.
2733
2734 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2735
2736         * function.c (assign_stack_local_1): Issue an error message if
2737         the frame size overflows in the signed target arithmetics.
2738
2739 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2740
2741         * tree.c (build_qualified_type): Chain the new type to the original
2742         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2743         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2744         (build_pointer_type_for_mode): Only return unqualified types.
2745         (build_reference_type_for_mode): Likewise.
2746
2747 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2748
2749         * Makefile.in (gnucompare): Do comparison of all files using one of
2750         the chosen methods and only afterwards decide if just warning should
2751         be issued or comparison failure raised.
2752
2753 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2754
2755         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2756         (noce_try_abs): Negate if the comparison is reversed.
2757         Look only one instruction backwards for a REG_EQUAL note.
2758
2759 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2760
2761         PR other/4372
2762         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2763         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2764         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2765         and prefix all uses with __ghtrw.
2766
2767 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2768
2769         PR other/4372
2770         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2771         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2772         * c-common.c (handle_weakref_attribute): New.
2773         (c_common_attribute_table): Add weakref.
2774         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2775         in the assembler.
2776         * configure, config.in: Rebuilt.
2777         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2778         * doc/extend.texi: Document weakref attribute.
2779         * varasm.c (ultimate_transparent_alias_target): New
2780         (assemble_name): Use it.
2781         (weak_finish_1): Split out of...
2782         (weak_finish): ... and deal with weakrefs in...
2783         (weakref_targets): ... new list.
2784         (globalize_decl): Clean up weakref_targets.
2785         (do_assemble_alias): Handle weakrefs.
2786         (finish_aliases_1): Do not reject weakrefs to external symbols.
2787         (assemble_alias): Handle weakrefs.
2788
2789 2005-11-09  Richard Guenther  <rguenther@suse.de>
2790
2791         PR tree-optimization/24716
2792         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2793         t_bool to track results from follow_ssa_edge.
2794
2795 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2796
2797         * final.c (force_source_line): New global variable.
2798         (final_scan_insn): Set it to true instead of clearing last_filename.
2799         (notice_source_line): Return true if force_source_line is true,
2800         unless source info is absent.
2801
2802 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2803
2804         PR c/24644
2805         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2806         a linkage name for a variable if it a register variable.
2807         * c-decl.c (grokdeclarator): Global register variables
2808         should be set as PUBLIC.
2809
2810 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2811
2812         PR 24624
2813         * config/s390/s390.c (struct s390_frame_layout): New fields
2814         first_save_gpr_slot and last_save_gpr_slot.
2815         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2816         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2817         first_save_gpr and last_save_gpr with the _slot variants.
2818         (s390_register_info): Calculate first_save_gpr_slot and
2819         last_save_gpr_slot using regs_ever_live.
2820
2821 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2822
2823         PR 24623
2824         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2825         for a function containing a landing pad.
2826
2827 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2828
2829         PR 24034
2830         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2831         is live afterwards.
2832
2833 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2834
2835         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2836         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2837
2838 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2839
2840         Add ms2 support
2841         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2842         constants.
2843         (call,load,store): New insn types.
2844         (mem_access, branch_access): Adjust reservation conditions.
2845         (define_delay): Adjust condition.
2846         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2847         type.
2848         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2849         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2850         insn type.
2851         (call_internal, call_value_internal, return_internal,
2852         return_interrupt_internal, eh_return_internal, indirect_jump,
2853         tablejump): Set call insn type.
2854         (blockage, ei, di): Use appropriate unspec const.
2855         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2856         (ms1_get_attr_type): Adjust to give load & store types.
2857         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2858         backwards past a barrier.
2859         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2860         branch scheduling.
2861         (struct branch_info, struct label_info): New.
2862         (ms1_labels): New.
2863         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2864         (ms1_machine_reorg): New.
2865         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2866         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2867         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2868         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2869         (TARGET_MS2): New.
2870
2871 2005-11-09  Per Bothner  <per@bothner.com>
2872             Uros Bizjak  <uros@kss-loka.si>
2873
2874         PR c/24101
2875         * toplev.c (process_options): Initialize debug_hooks early
2876         in case lang_hooks.post_options ends up calling a debug_hook.
2877
2878 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2879
2880         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2881         DBX_REGISTER_NUMBER being contiguous.
2882
2883 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2884             Diego Novillo  <dnovillo@redhat.com>
2885
2886         PR 23046
2887         * tree-vrp.c (register_edge_assert_for): Do not register
2888         always-false predicates.
2889
2890 2005-11-08  Devang Patel <dpatel@apple.com>
2891
2892         PR tree-optimization/23115
2893         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2894         relation.
2895
2896 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2897
2898         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2899         -mcpu=440.
2900
2901 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2902
2903         Fix PR tree-optimization/23382
2904
2905         * tree-ssa-alias.c (compute_may_aliases): Call
2906         delete_old_heap_vars.
2907         * tree-dfa.c (referenced_var_remove): New function.
2908         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2909         * tree-flow.h (referenced_var_remove): Add prototype.
2910         (delete_old_heap_vars): Ditto.
2911         * tree-ssa-structalias.c (heapvars): New variable.
2912         (oldheapvars): Ditto.
2913         (get_constraint_for): Put heap vars on heapvars list.
2914         (delete_old_heap_vars): New function.
2915
2916 2005-11-08  Jason Merrill  <jason@redhat.com>
2917
2918         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2919
2920 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2921
2922         PR target/19340
2923         * reg-stack.c (reg_to_stack): Update register liveness also
2924         for flag_sched2_use_traces.
2925
2926 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2927
2928         PR target/23704
2929         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2930         override prior explicit -mno-powerpc-gfxopt.
2931
2932 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2933
2934         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2935         if the bitsize is zero.
2936         * doc/md.texi (Standard Pattern Names): Document it.
2937
2938         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2939         (TARGET_PASS_BY_REFERENCE): Likewise.
2940
2941 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2942
2943         PR rtl-optimization/24683
2944         * config/i386/i386.c (legitimize_pic_address): If constant operand
2945         to PLUS is too large, put it in a register.
2946
2947 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2948
2949         * configure.ac: Enable checking assembler dwarf2 support for bfin
2950         target.
2951         * configure: Regenerate.
2952
2953 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2954
2955         PR target/24230
2956
2957         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2958         gen_easy_vector_constant_add_self): Delete.
2959         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2960         New.
2961         (output_vec_const_move): Use gen_easy_altivec_constant.
2962         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2963         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2964         (easy_vector_constant_add_self): Rewritten.
2965         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2966         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2967         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2968         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2969         Macroize and adjust for the other changes.
2970
2971 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2972
2973         PR c/24599
2974
2975         * c-typeck.c (build_c_cast): Try using a shared constant, and see
2976         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2977
2978 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
2979
2980         PR rtl-optimization/23567
2981         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2982         (noce_process_if_block): Don't do any optimizations except
2983         if (cond) x = x; if !set_b and write into orig_x may trap
2984         or fault.  Remove the MEM_READONLY_P check.
2985
2986 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
2987
2988         PR 24670
2989         * tree-vrp.c (fix_equivalence_set): New.
2990         (extract_range_from_assert): Call it.
2991
2992 2005-11-05  Ian Lance Taylor  <ian@airs.com>
2993
2994         PR target/22432
2995         * combine.c (apply_distributive_law): Don't distribute across a
2996         vector mode subreg.
2997
2998 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
2999
3000         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3001         config/ms1/ms1.h, config/rs6000/predicates.md,
3002         config/s390/s390.c, params.def, postreload-gcse.c,
3003         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3004         tree-vrp.c, tree.c: Fix comment typos.
3005         * doc/invoke.texi: Fix typos.
3006
3007 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3008
3009         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3010         for testing whether the data_dependence_relation contains distance
3011         vectors.  Iterate over all distance vectors of the ddr.
3012         * lambda.h: Define a vec of lambda_vector pointers.
3013         * tree-data-ref.c (dump_data_dependence_relation,
3014         dump_data_dependence_direction): Iterate over all distance and
3015         direction vectors of the ddr.
3016         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3017         DDR_DIST_VECTS.
3018         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3019         of distance/direction vectors instead of a single one.
3020         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3021         lambda_vectors with a vec of lambda_vectors.
3022         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3023         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3024         DDR_NUM_DIST_VECTS): New.
3025         * tree-loop-linear.c (gather_interchange_stats): Test for the
3026         existence of distance vectors only after having checked that there
3027         is a dependence.  Iterate over all distance vectors of the ddr.
3028         (linear_transform_loops): Use dump_data_dependence_relation.
3029         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3030         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3031         distance vectors of the ddr.
3032
3033 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3034
3035         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3036         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3037         IS_INTHANDLER; all callers changed.
3038         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3039         account.
3040         (do_link, do_unlink): New argument ALL; all callers changed.
3041         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3042         If function isn't leaf, save and restore all registers.
3043         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3044         exception handler.
3045
3046 2005-11-05  Jan Hubicka  <jh@suse.cz>
3047
3048         PR rtl-optimization/23490
3049         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3050         max-flow-memory-location): Document.
3051         * flow.c: Include params.h
3052         (MAX_MEM_SET_LIST_LEN): Kill.
3053         (add_to_mem_set_list): Use new param.
3054         * cse.c (cse_basic_block): Replace 1000 by new param.
3055         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3056         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3057         * predict.c (predict_loops): Use new param.
3058         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3059
3060         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3061         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3062         Do not hold memory returned by cgraph_node_name across other call.
3063
3064 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3065
3066         PR target/23424
3067         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3068         Disable.
3069
3070 2005-11-04  Jeff Law  <law@redhat.com>
3071
3072         PR/21883
3073         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3074         * tree-ssa-dom.c: Include params.h.
3075         (thread_across_edge): If there are too many statements in the
3076         target block, then do not thread through it.
3077         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3078         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3079
3080 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3081
3082         PR 24627
3083         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3084         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3085
3086 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3087
3088         PR/18595
3089         * tree-scalar-evolution.c (instantiate_parameters_1,
3090         instantiate_parameters, resolve_mixers): Compute the size of an
3091         expression to be instantiated and give up the instantiation if the
3092         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3093
3094 2005-11-04  Richard Guenther  <rguenther@suse.de>
3095
3096         * tree-flow.h (ref_contains_indirect_ref): Rename to
3097         array_ref_contains_indirect_ref.
3098         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3099         (array_ref_contains_indirect_ref): Make comment match the code
3100         and vice-versa.
3101         (ref_contains_array_ref): Likewise.
3102         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3103         ref_contains_indirect_ref.
3104         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3105         Rename calls to ref_contains_indirect_ref.
3106
3107 2005-11-04 Paul Brook  <paul@codesourcery.com>
3108
3109         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3110         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3111         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3112         * config/arm/arm.md: Use match_operand in peephole input templates
3113         and match_dup in peephole output templates.
3114
3115 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3116
3117         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3118         __aeabi_uidiv.
3119
3120 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3121             Daniel Jacobowitz  <dan@codesourcery.com>
3122
3123         * longlong.h (add_ssaaaa): Clobber condition code register
3124         in ARM version.
3125         (sub_ddmmss): Likewise.
3126         (umul_ppmm): Likewise.
3127
3128 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3129             Paul Brook  <paul@codesourcery.com>
3130             Phil Blundell  <pb@reciva.com>
3131
3132         * configure.ac: Add test for ARM TLS support.
3133         * configure: Regenerated.
3134         * config/arm/arm-protos.h (legitimize_tls_address)
3135         (arm_tls_referenced_p, tls_mentioned_p)
3136         (arm_output_addr_const_extra): New prototypes.
3137         (thumb_legitimize_pic_address): Delete.
3138         * config/arm/arm.c: Include "gt-arm.h".
3139         (enum tls_reloc): New.
3140         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3141         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3142         (arm_call_tls_get_addr, legitimize_tls_address)
3143         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3144         (arm_init_tls_builtins, arm_emit_tls_decoration)
3145         (arm_output_addr_const_extra): New functions.
3146         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3147         (TARGET_HAVE_TLS): Define.
3148         (target_thread_pointer): New.
3149         (arm_override_options): Handle -mtp=.
3150         (legitimize_pic_address): Ignore UNSPECs.
3151         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3152         relative symbols.
3153         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3154         (tls_get_addr_libfunc): New variable.
3155         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3156         (arm_init_builtins): Call arm_init_tls_builtins.
3157         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3158         (arm_encode_section_info): Call default_encode_section_info.
3159         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3160         (enum arm_tp_type): New.
3161         (target_thread_pointer): Add declaration.
3162         (LEGITIMATE_CONSTANT_P): Handle TLS.
3163         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3164         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3165         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3166         * config/arm/arm.md: Add UNSPEC_TLS.
3167         (movsi): Handle TLS.
3168         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3169         non-PIC.
3170         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3171         (load_tp_hard, load_tp_soft): New insns.
3172         * arm.opt: Add -mtp=.
3173         * doc/invoke.texi (ARM Options): Document -mtp.
3174
3175 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3176
3177         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3178         * config/arm/libunwind.S: Include "lib1funcs.asm".
3179         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3180         (LIB2ADDEH): Add libunwind.S.
3181         (LIB2ADDEHDEP): Add lib1funcs.asm.
3182         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3183
3184 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3185
3186         PR fortran/18452
3187         * gcc/c.opt: Add a -lang-fortran option.
3188         * gcc/c-opts.c: Add a lang_fortran flag.
3189         (c_common_init_options): Handling the -lang-fortran option.
3190         (c_common_handle_option): Add a case for Fortran options in
3191         preprocessing. Remove cases for -ffixed-form and
3192         -ffixed-line-length. Add a case for -lang-fortran.
3193
3194 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3195
3196         * config/rs6000/rs6000.c: Include params.h
3197         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3198         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3199         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3200         (UNSPEC_VPKUWSS): Delete.
3201         (altivec_vpkuhss): Delete.
3202         (altivec_vpkuwss): Delete.
3203         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3204         final condition.
3205         (neg_eq0<mode>): Remove final condition.
3206         (neg_eq<mode>): Remove condition and split-condition.
3207
3208 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3209
3210         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3211         Use associated print macros.
3212
3213 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3214
3215         PR c++/17964
3216         * diagnostic.c (diagnostic_set_info_translated): New function.
3217         (diagnostic_set_info): Use it.  Add comment.
3218         * diagnostic.h (diagnostic_set_info_translated): Declare.
3219
3220 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3221
3222         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3223         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3224         reference only if 'public' is true.
3225         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3226         emit the .hidden directive only if the indirect reference is public.
3227         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3228         Pass it to dw2_force_const_mem.
3229         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3230         * dwarf2out.c (output_cfi): Adjust calls to above function.
3231         (output_call_frame_info): Likewise.
3232         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3233         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3234
3235 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3236
3237         PR tree-optimization/24483
3238         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3239         field to elts if possible.
3240
3241 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3242
3243         PR middle-end/23155
3244         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3245         CONSTRUCTOR.
3246
3247 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3248
3249         Fix PR tree-optimization/24351
3250
3251         * tree-ssa-structalias.c (struct variable_info): Add
3252         collapsed_into.
3253         (get_varinfo_fc): New function to follow collapsing.
3254         (new_var_info): Set collapsed_to to NULL.
3255         (dump_constraint): Follow collapsing.
3256         (build_constraint_graph): Handle collapsing.
3257         (do_simple_structure_copy): Return false if something bad
3258         happened.
3259         (collapse_rest_of_var): New function.
3260         (do_structure_copy): Collapse if do_simple_structure_copy returns
3261         false.
3262
3263 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3264
3265         PR middle-end/24589
3266         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3267         expressions to a statement list instead of gimplifying them.
3268
3269 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3270
3271         PR rtl-optimization/23585
3272         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3273         that can't trap plus a constant integer, if the mode has zero size.
3274
3275 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3276
3277         PR target/24620
3278         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3279         as operand 2.
3280         ("*insv<mode>_reg_extimm"): Likewise.
3281
3282 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3283
3284         PR c/24329
3285         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3286         c_common_type_for_mode returns an unnamed type.
3287
3288 2005-11-02  Richard Henderson  <rth@redhat.com>
3289
3290         PR target/9350
3291         PR target/24374
3292         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3293         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3294         * function.c (assign_parms): Use calls.internal_arg_pointer.
3295         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3296         code.
3297         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3298         (TARGET_CALLS): Add it.
3299         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3300         * targhooks.c (default_internal_arg_pointer): New.
3301         * targhooks.h (default_internal_arg_pointer): Declare.
3302         * tree.h (dwarf2out_reg_save_reg): Declare.
3303         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3304         * config/i386/i386.c (dbx_register_map): Add return column.
3305         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3306         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3307         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3308         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3309         (ix86_save_reg): Save force_align_arg_pointer.
3310         (ix86_emit_save_regs): Make regno unsigned.
3311         (ix86_emit_save_regs_using_mov): Likewise.
3312         (ix86_expand_prologue): Handle force_align_arg_pointer.
3313         (ix86_expand_epilogue): Likewise.
3314         * config/i386/i386.h: (dbx_register_map): Update.
3315         (dbx64_register_map, svr4_dbx_register_map): Update.
3316         (struct machine_function): Add force_align_arg_pointer.
3317         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3318         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3319         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3320
3321 2005-11-02  Jan Hubicka  <jh@suse.cz>
3322
3323         PR target/23303
3324         * i386.md: Add peep2 for simplyfing array accesses.
3325
3326 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3327
3328         PR target/24615
3329         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3330         * config/s390/s390.c (s390_decompose_shift_count): New function.
3331         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3332         (print_shift_count_operand): Use s390_decompose_shift_count.
3333         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3334         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3335
3336 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3337
3338         PR target/24600
3339         * loop.c (loop_givs_rescan): Use force_operand to expand
3340         complex GIVs.
3341
3342 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3343
3344         PR 22429
3345         * fold-const.c (build_range_check): Use unsigned when signed
3346         overflow is undefined also.  If etype is subtype, make sure that
3347         the subtraction is in the supertype.
3348
3349 2005-11-02  Richard Henderson  <rth@redhat.com>
3350
3351         PR target/24178
3352         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3353         by MEM_ALIGN.
3354
3355 2005-11-01  Richard Henderson  <rth@redhat.com>
3356
3357         PR 21518
3358         * loop.c (scan_loop): Do not propagate computations to a hard
3359         register destination with SMALL_REGISTER_CLASSES.
3360
3361 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3362
3363         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3364         costs for MULT inside PLUS or MINUS.
3365
3366 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3367
3368         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3369         (TRAMPOLINE_SIZE): Round up to 60.
3370         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3371
3372 2005-10-31  James E. Wilson  <wilson@specifix.com>
3373
3374         PR debug/24444
3375         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3376         ifdef.  Put ifdefs around call in gen_subprogram_die.
3377         (compute_frame_pointer_to_cfa_displacement): Likewise.
3378         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3379         not defined.
3380
3381         PR rtl-optimization/17356
3382         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3383         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3384
3385 2005-10-31  Jan Hubicka  <jh@suse.cz>
3386
3387         PR middle-end/24093
3388         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3389
3390         PR target/20928
3391         * i386.c (legitimize_pic_address): Deal with large immediates.
3392
3393         PR profile/20815
3394         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3395         from symbol names while computing checkup.
3396
3397         PR profile/24487
3398         * predict.c (predict_loops): Do not estimate more than
3399         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3400         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3401
3402 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3403
3404         PR tree-optimization/19097
3405         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3406
3407 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3408
3409         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3410
3411 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3412
3413         PR middle-end/23492
3414         * tree-inline.c (setup_one_parameter): If the init_stmt
3415         is NULL, don't insert the statement.
3416
3417 2005-10-30  Jan Hubicka  <jh@suse.cz>
3418
3419         PR tree-optimization/24172
3420         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3421
3422 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3423
3424         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3425         constants for hosts with long != 32 bits.
3426
3427 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3428
3429         PR middle-end/24093
3430         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3431
3432 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3433
3434         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3435         (TARGET_MS1_16_002): New.
3436         (TARGET_MS1_16_003): New.
3437
3438         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3439         ("*decrement_and_branch_until_zero_no_clobber"): New.
3440         Add corresponding splitter for decrement_and_branch_until_zero
3441         instruction.
3442         Key all decrement_and_branch_until_zero patterns off of
3443         TARGET_MS1_16_003.
3444
3445 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3446
3447         PR middle-end/24362
3448         * tree-complex.c (extract_component): Treat RESULT_DECL
3449         like the rest of the decls.
3450
3451 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3452
3453         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3454         indirect call to _mcount if the function needs a static chain.
3455
3456 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3457             Caroline Tice  <ctice@apple.com>
3458
3459         PR rtl-optimization/24460
3460         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3461         (dwarf2out_switch_text_section): Set it to true instead of
3462         incrementing separate_line_info_table_in_use.
3463         (output_loc_list): Additionally test have_switched_text_sections.
3464         (output_ranges): Likewise.
3465         (dwarf2out_finish): Likewise.
3466         * varasm.c (assemble_start_function): Do not call
3467         insert_section_boundary_note.
3468         (assemble_end_function): If flag_reorder_blocks_and_partition,
3469         switch to the function's section before emitting the .size directive.
3470         * bb-reorder.c (insert_section_boundary_note): Staticify.
3471         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3472         * output.h (insert_section_boundary_note): Delete.
3473
3474 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3475
3476         PR c/23103
3477         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3478         instead of pointer equality when comparing types.
3479
3480 2005-10-24  James E. Wilson  <wilson@specifix.com>
3481
3482         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3483         add_dependence_list_and_free calls.
3484
3485 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3486
3487         * contrib.texi: Add the names of the LLNL folks who donated
3488         Cray pointer support for gfortran.
3489
3490 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3491
3492         PR tree-optimization/24225
3493         * profile.c (branch_prob): Look from end to start through a
3494         basic block when looking for a locus.
3495
3496 2005-10-24  Richard Henderson  <rth@redhat.com>
3497
3498         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3499         parallel.
3500         (hppa_expand_prologue): Likewise.
3501
3502 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3503
3504         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3505         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3506         * pa.h (NO_PROFILE_COUNTERS): Define.
3507         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3508         (funcdef_nos): New vector to hold label numbers of deferred profile
3509         counters.
3510         (output_deferred_profile_counters): New function.
3511         (hppa_profile_hook): Push label number onto funcdef_nos.
3512         (pa_hpux_file_end): Call output_deferred_profile_counters if
3513         NO_DEFERRED_PROFILE_COUNTERS is false.
3514
3515         * pa-protos.h (get_deferred_plabel): New prototype.
3516         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3517         Make global.
3518         (output_call): Adjust calls.
3519
3520 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3521
3522         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3523         peculiarity of GOT/TOC section usage.
3524
3525 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3526
3527         PR objc/24435
3528          * c-common.c (constant_string_class_name): Add documentation.
3529
3530 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3531
3532         PR target/23832
3533         * recog.c (peephole2_optimize): Increment peep2_current_count
3534         only when the slot is empty.
3535
3536 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3537
3538         PR ada/23957
3539         * except.c (output_function_exception_table): Call
3540         assemble_external_libcall if we need a personality function.
3541
3542 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3543
3544         PR rtl-optimization/24460
3545         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3546         set the basic block for barriers.
3547
3548 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3549
3550         * var-tracking.c (vt_initialize): Initialize post.
3551
3552 2005-10-21  Devang Patel  <dpatel@apple.com>
3553
3554         PR/24220
3555         * c-common.c (vector_types_convertible_p): Check vector element type.
3556
3557 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3558
3559         * config/sh/sh.c (prepare_move_operands): Handle the address
3560         constant which is a tls symbolic address plus a constant.
3561
3562 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3563
3564         PR driver/24473
3565         * gcc.c (main): Use the correct counter for erroring out
3566         about mulitple files.
3567
3568 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3569
3570         PR target/24465
3571         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3572         use r2 for 64-bit tls .got access.
3573
3574 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3575
3576         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3577         TRUTH_OR_EXPR.
3578
3579 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3580
3581         PR tree-optimization/24307
3582         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3583
3584 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3585
3586         PR middle-end/24295
3587         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3588         alias targets.
3589         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3590         is ready, stop marking functions, but still mark variables.
3591
3592 2005-10-20  Richard Guenther  <rguenther@suse.de>
3593
3594         PR c++/24439
3595         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3596         void type operands.
3597
3598 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3599
3600         PR rtl-optimization/23585
3601         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3602         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3603         (may_trap_p_1): New predicate extracted from...
3604         (may_trap_p): ... here.  Invoke may_trap_p_1.
3605         (may_trap_or_fault_p): New predicate.
3606         * rtl.h (may_trap_or_fault_p): Declare it.
3607         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3608         instead of may_trap_p.
3609         (steal_delay_list_from_fallthrough): Likewise.
3610         (fill_simple_delay_slots): Likewise.
3611         (fill_slots_from_thread): Likewise.
3612         * function.c (pad_to_arg_alignment): Rework comment about
3613         SPARC_STACK_BOUNDARY_HACK.
3614         * config/sparc/sparc.h: Likewise.
3615
3616 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3617
3618         * config/s390/s390.c (s390_expand_insv): New.
3619         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3620         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3621         ("icm_hi"): Remove mode attribute.
3622         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3623         Adjust all uses.
3624         ("*extracthi", "*extractqi"): Remove.
3625         (extv<mode>", "*extzv<mode>"): New.
3626         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3627         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3628
3629 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3630
3631         * cfgexpand.c (discover_nonconstant_array_refs_r,
3632         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3633         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3634         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3635         discover_nonconstant_array_refs.
3636
3637 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3638
3639         PR c/23228
3640         * c-decl.c (pop_scope): Don't warn about an unused variable
3641         if it is marked with TREE_NO_WARNING.
3642         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3643         somenow mismatch and olddecl is to be replaced.
3644
3645 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3646
3647         PR middle-end/23199
3648         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3649         whether registers live on the edge can be saved/restored.
3650
3651 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3652
3653         * config/sh/sh.c (fixup_mova): Skip notes.
3654
3655 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3656
3657         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3658         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3659         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3660         (s390_initial_elimination_offset): Likewise.
3661         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3662         register on TARGET_ZARCH targets.
3663         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3664         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3665         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3666         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3667
3668 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3669
3670         * config/s390/s390.md: Comment describing output modifiers updated.
3671         * config/s390/s390.c (print_operand): Likewise.
3672
3673 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3674
3675         * config/s390/s390.c (override_options): Added check for -mstack-size
3676         64k limitation.
3677         * doc/invoke.texi: Mention that limit in the documenation.
3678
3679 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3680
3681         PR #19672
3682         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3683
3684 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3685
3686         Fix PR tree-optimization/24231
3687
3688         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3689         (compute_avail): Ditto.
3690
3691 2005-10-18  Richard Henderson  <rth@redhat.com>
3692
3693         PR target/24428
3694         * config/i386/i386.c (legitimate_constant_p): Check
3695         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3696         if LABEL_REF.
3697         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3698         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3699         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3700         directly.
3701         (print_operand_address): Likewise.
3702         * config/i386/predicates.md (x86_64_immediate_operand): Test
3703         SYMBOL_REF_TLS_MODEL properly inside CONST.
3704         (x86_64_zext_immediate_operand): Likewise.
3705         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3706         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3707         * config/i386/i386-protos.h: Remove predicates.md entries.
3708
3709 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3710
3711         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3712         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3713
3714 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3715             Ian Lance Taylor <ian@airs.com>
3716
3717         PR middle-end/23522
3718         * fold-const.c (fold_widened_comparison): Do not allow range based
3719         constant folding when right operand cannot be unwidened.
3720
3721 2005-10-17  Richard Henderson  <rth@redhat.com>
3722
3723         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3724         with a memory clobber.
3725
3726 2005-10-17  James E Wilson  <wilson@specifix.com>
3727
3728         PR rtl-optimization/17356
3729         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3730         checking for EDGE_EH.
3731
3732 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3733
3734         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3735         the slot on an even boundary for any type with 16-byte alignment.
3736
3737 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3738
3739         PR target/23424
3740         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3741         after register allocation.
3742
3743 2005-10-17  DJ Delorie  <dj@redhat.com>
3744
3745         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3746         as frame related.
3747
3748 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3749
3750         PR c++/22551
3751         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3752         overflow flags.
3753
3754 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3755
3756         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3757         to 2 if it's already non-zero.
3758         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3759         is set and warn about it if flag_schedule_insns is 1.
3760
3761 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3762
3763         * config/crx/crx.md: Compare-and-branch instructions need to
3764         invalidate CC.
3765
3766 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3767
3768         PR target/24315
3769         * config/i386/i386.md (*pushdi2_rex64 splitter)
3770         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3771         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3772         flow2 pass only when (optimize > 0 && flag_peephole2).
3773
3774 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3775
3776         PR driver/22544
3777         * gcc.c (have_c): New static variable.
3778         (have_o): Likewise.
3779         (process_command): Remove declation of have_c.
3780         Set have_o to 1 when handling -o.
3781         (main): Add a fatel error if there are multiple
3782         files specified and -o and -c/-S is passed witout
3783         -combine or multiple languages.
3784
3785 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3786
3787         Fix PR tree-optimization/22444
3788         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3789         Assert that we don't hit something with subvars.
3790         (setup_pointers_and_addressables): Don't add things with subvars,
3791         because we'll already process the subvars for aliasing purposes.
3792
3793 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3794
3795         PR target/23424
3796         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3797         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3798         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3799         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3800         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3801         swapped, alternatives for the R constraint.
3802
3803         PR middle-end/24341
3804         * builtins.c (get_builtin_sync_mode): Make unlimited
3805         mode_for_size request.
3806
3807 2005-10-15  Richard Henderson  <rth@redhat.com>
3808
3809         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3810         (gimplify_expr): ... here.
3811         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3812         fb_lvalue in base expression.
3813
3814 2005-10-15  Richard Henderson  <rth@redhat.com>
3815
3816         PR 23714
3817         * builtins.c (expand_builtin_trap): Export.
3818         * expr.h (expand_builtin_trap): Declare.
3819         * expr.c (expand_assignment): Emit a trap for integral offsets
3820         from registers that weren't reduced to bitpos.
3821
3822         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3823         (mark_array_ref_addressable): Remove.
3824         * tree-flow.h (mark_array_ref_addressable): Remove.
3825         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3826
3827 2005-10-15  James E Wilson  <wilson@specifix.com>
3828
3829         PR target/24232
3830         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3831         (add_dependence_list_and_free): Likewise.
3832         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3833         call.
3834
3835 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3836
3837         PR 23141
3838         PR 23142
3839         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3840         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3841         anti-range.
3842         (vrp_visit_phi_node): Only prevent infinite iterations when
3843         the previous result and the new result are both VR_RANGEs.
3844
3845 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3846
3847         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3848         function comment.
3849
3850 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3851
3852         PR c/23439
3853         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3854         to initialize loc.
3855
3856 2005-10-14  Per Bothner  <per@bothner.com>
3857
3858         PR preprocessor/21250
3859         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3860
3861 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3862
3863         PR c++/22551
3864         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3865         overflow flags.  Refactor some conditionals.
3866
3867 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3868
3869         PR tree-opt/21304
3870         * tree-dfa.c (add_referenced_var): Only look at decls which
3871         have TREE_CONSTANT or TREE_READONLY set instead of if
3872         !TREE_PUBLIC or !TREE_CONSTANT.
3873
3874 2005-10-13  James E Wilson  <wilson@specifix.com>
3875
3876         * doc/invoke.texi: For -x, add f95-cpp-input.
3877         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3878
3879 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3880
3881         PR tree-optimization/24262
3882         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3883         in loop all the time.
3884
3885 2005-10-12  Richard Henderson  <rth@redhat.com>
3886
3887         PR c/24255
3888         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3889         * function.c (assign_parm_find_data_types): Don't support it.
3890         * print-tree.c (print_node): Likewise.
3891         * c-common.c (handle_transparent_union_attribute): Likewise.
3892         Use build_duplicate_type.
3893         * tree-inline.c (remap_type_1): Split out of remap_type;
3894         properly remap aggregate fields.
3895         (build_duplicate_type): New.
3896         * doc/extend.texi (Variable Attributes): Remove documentation
3897         for transparent_union.
3898
3899 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3900
3901         PR target/24284
3902         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3903         (gen_stack_pointer_dec): Likewise.
3904
3905 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3906
3907         PR middle-end/21275
3908         PR middle-end/21766
3909         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3910         target hook.
3911         (struct cxx): Add adjust_class_at_definition target hook.
3912         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3913         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3914         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3915         hook_void_tree. Add to TARGET_CXX.
3916         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3917         dllimport_flag.
3918         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3919         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3920         instead of attribute. Check for dllexport override.  Warn if
3921         inconsistent dll linkage. Don't lose old dllimport if decl has
3922         had address referenced.   Tweak lookup of dllimport atribute.
3923         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3924         for target specific rules.  Don't add dllimport attribute if
3925         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3926         dllimport attribute.
3927         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3928         * varasm.c (initializer_constant_valid_p): Replace
3929         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3930
3931         PR target/21801
3932         PR target/23589
3933         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3934         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3935         (i[34567]86-*-mingw32*): Likewise.
3936
3937         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3938         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3939
3940         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3941         C++-specific code. Change return value to bool.
3942         (i386_pe_dllimport_p): Likewise.
3943         (associated_type): Simplify and make language-independent
3944         (i386_pe_encode_section_info): Replace override of ambiguous
3945         dllimport symbol refs with a gcc_assert.
3946         (i386_pe_valid_dllimport_attribute_p): Define.
3947         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3948         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3949         i386_pe_adjust_class_at_definition.
3950         * config/i386/winnt-stubs.c: New file. Define stub versions of
3951         lang-specific functions.
3952         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3953         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3954         i386_pe_adjust_class_at_definition.
3955         (i386_pe_valid_dllimport_attribute_p): Declare.
3956         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3957         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3958         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3959
3960         PR target/19704
3961         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3962         dllimport attribute with test of DECL_DLLIMPORT_P.
3963
3964 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3965
3966         * combine.c (make_extraction): Correct offset computation.
3967
3968 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
3969
3970         * config/cris/t-linux (LIMITS_H_TEST): Define.
3971
3972 2005-10-12  Richard Henderson  <rth@redhat.com>
3973
3974         PR rtl-opt/23324
3975         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3976
3977 2005-10-12  Richard Guenther  <rguenther@suse.de>
3978
3979         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3980
3981 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
3982
3983         PR c++/19964
3984         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3985         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3986         type.
3987
3988 2005-10-12  Richard Guenther  <rguenther@suse.de>
3989
3990         PR c++/23799
3991         * varasm.c (output_constant): Correct typo from previous
3992         patch by DJ.
3993
3994 2005-10-11  Ian Lance Taylor  <ian@airs.com>
3995
3996         PR rtl-optimization/13931
3997         * combine.c: Revert patch of 2003-05-14, and:
3998         (try_combine): Only set elim_i1 and elim_i2 if the destination is
3999         completely killed in the appropriate insn.
4000         (distribute_notes): Don't skip multiple hard register test for
4001         elim_i1 and elim_i2.
4002
4003 2005-10-11  Richard Henderson  <rth@redhat.com>
4004
4005         PR c/24255
4006         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4007         to initialize a transparent union instead of a nop_expr.
4008
4009 2005-10-11  Richard Henderson  <rth@redhat.com>
4010
4011         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4012         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4013         (tree_ssa_dce_loop): Call scev_reset.
4014
4015         PR tree-opt/24300
4016         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4017         * tree-ssa-dce.c: Include cfgloop.h.
4018         (tree_ssa_dce_loop, pass_dce_loop): New.
4019         * tree-pass.h (pass_dce_loop): Declare it.
4020         * passes.c (init_optimization_passes): Use it.
4021
4022 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4023
4024         PR middle-end/24263
4025         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4026         Only apply the optimization for rounding builtins if the inner
4027         cast is also an extension.
4028
4029 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4030
4031         PR tree-opt/23946
4032         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4033         mark_new_vars_to_rename instead of update_stmt.
4034
4035 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4036
4037         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4038
4039 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4040
4041         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4042         for setting MMX register to 0 rather than mmx.
4043
4044 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4045
4046         PR target/12098
4047         * configure.ac: Move gas check from mips specific case to common case.
4048         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4049         * configure: Regenerate
4050         * doc/install.texi: Update.
4051
4052 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4053
4054         PR target/24284
4055         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4056
4057 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4058
4059         * gcc.c (do_spec_1): Accept numeric characters in file name
4060         suffixes.
4061
4062 2005-10-10  Nick Clifton  <nickc@redhat.com>
4063
4064         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4065         describing the deleted arm_gen_rotated_half_load function.
4066
4067 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4068
4069         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4070         __fpscr_values.
4071
4072 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4073
4074         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4075         gnu_ld assignments.
4076         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4077         (EXTRA_MULTILIB_PARTS): Define.
4078         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4079         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4080         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4081         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4082         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4083         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4084
4085 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4086
4087         PR tree-optimization/24226
4088         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4089         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4090         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4091         Export.
4092
4093 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4094
4095         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4096
4097 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4098
4099         PR target/24136
4100         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4101         Rewrite for no need for the early clobber.
4102
4103 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4104
4105         Merge from csl-arm-branch:
4106         2005-09-07  Paul Brook  <paul@codesourcery.com>
4107         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4108         space to string.
4109
4110         2005-04-30  Paul Brook  <paul@codesourcery.com>
4111         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4112         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4113
4114         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4115         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4116         (arm_override_options): Use TARGET_AAPCS_BASED.
4117         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4118         (PTRDIFF_TYPE): Use int for AAPCS.
4119         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4120         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4121         (DEFAULT_SHORT_ENUMS): Delete.
4122         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4123
4124         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4125         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4126         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4127         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4128
4129         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4130         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4131
4132         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4133         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4134
4135         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4136         * config.gcc (arm*-*-linux-gnueabi): Add it.
4137         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4138         redefining it.
4139         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4140         * config/arm/linux-eabi.h: New file.
4141         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4142         (LINUX_TARET_LINK_SPEC): Likewise.
4143         (LINK_SPEC): Use it.
4144         * config/arm/t-linux-eabi: New file.
4145
4146 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4147
4148         PR other/22202
4149         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4150         spaces.
4151         (PARAM_SMS_DFA_HISTORY): Likewise.
4152
4153 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4154
4155         PR middle-end/23150
4156         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4157         (load_register_parameters): Call it.
4158         (check_sibcall_argument_overlap_1): Likewise.
4159         (store_one_arg): Likewise.
4160
4161 2005-10-07  James E. Wilson  <wilson@specifix.com>
4162
4163         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4164         DImode not VECINT24 for operand 2.
4165
4166         PR target/23644
4167         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4168         -mtune-arch.
4169
4170         PR target/24193
4171         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4172         fr_spill): Use destination_operand for operand 0.
4173
4174 2005-10-07  DJ Delorie  <dj@redhat.com>
4175
4176         * varasm.c (output_constant): Limit error to expanding
4177         conversions.
4178
4179 2005-10-07  Richard Guenther  <rguenther@suse.de>
4180
4181         PR middle-end/24227
4182         * fold-const.c (fold_binary): Fix operand types during folding
4183         of X op (A, Y).  Evaluation order of the side-effects of
4184         X and A are frontend-defined, so ensure we honour that even for
4185         tcc_comparison class operands; eased by removing duplicate code.
4186
4187 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4188
4189         * stor-layout.c (layout_type): Do not allow alignment of array
4190         elements to be greater than their size.
4191
4192 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4193
4194         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4195         host_xmake_file.
4196         (hppa*-*-linux*): Ditto.
4197         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4198         * config/host-hpux.c: New.
4199         * config/x-hpux: New.
4200         * config/pa/x-hpux: Remove.
4201         * config/pa/x-linux: Remove.
4202         * config/pa/pa-host.c: Remove.
4203
4204 2005-10-07  Jeff Law  <law@redhat.com>
4205
4206         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4207         determine whether or not to try and thread outgoing edges.
4208
4209 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4210
4211         * config/rs6000/rs6000.md (eqsi_power): New.
4212         (neg_eq0si): Add TARGET_POWER to final condition.
4213         (neg_eqsi): Same.
4214
4215 2005-10-06  Richard Henderson  <rth@redhat.com>
4216
4217         * config/rs6000/rs6000.c: Revert last change.
4218
4219 2005-10-06  Richard Henderson  <rth@redhat.com>
4220
4221         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4222         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4223
4224 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4225
4226         PR middle-end/22216
4227         PR middle-end/23651
4228         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4229         out return_label and naked_return_label.
4230
4231 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4232
4233         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4234         change.
4235
4236 2005-10-06  Richard Henderson  <rth@redhat.com>
4237
4238         PR tree-opt/22237
4239         * tree-inline.c (declare_return_variable): Handle modify_dest not
4240         being a DECL.
4241
4242 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4243
4244         Fix PR tree-optimization/22488
4245         * tree-ssa-structalias.c (check_for_overlaps): New function.
4246         (create_variable_info_for): Use it.
4247
4248 2005-10-06  Richard Henderson  <rth@redhat.com>
4249
4250         PR debug/24070
4251         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4252         (dwarf2out_start_source_file): Print it.
4253
4254 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4255
4256         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4257
4258 2005-10-06  Richard Henderson  <rth@redhat.com>
4259
4260         PR 23706
4261         * mode-switching.c (optimize_mode_switching): Clear transp bit
4262         for block with incomming abnormal edges.
4263
4264         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4265         (fpscr_set_from_mem): Use them.
4266         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4267         (fpscr postinc splitters): Rewrite as peephole2+split.
4268
4269 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4270
4271         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4272         (eq<mode>_compare): Same.
4273
4274 2005-10-06  Richard Guenther  <rguenther@suse.de>
4275
4276         PR tree-optimization/24238
4277         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4278
4279 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4280
4281         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4282         here.  Use AC_PATH_PROG for environment variables instead of
4283         test -x.
4284         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4285         objdump also.
4286         * configure: Regenerated.
4287
4288 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4289
4290         PR target/23783
4291         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4292         then force it into a register.
4293         (call_value): Likewise.
4294
4295 2005-10-06  Richard Henderson  <rth@redhat.com>
4296
4297         PR 24049
4298         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4299         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4300         under pass_vectorize.
4301
4302 2005-10-05  Devang Patel  <dpatel@apple.com>
4303
4304         PR Debug/23205
4305         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4306         handling constants. Check NAMESPACE_DECL context for constants.
4307
4308 2005-10-05  Eric Christopher  <echristo@apple.com>
4309
4310         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4311
4312 2005-10-05  Richard Henderson  <rth@redhat.com>
4313
4314         PR 23714
4315         * tree-cfg.c (mark_array_ref_addressable_1): New.
4316         (mark_array_ref_addressable): New.
4317         * tree-flow.h (mark_array_ref_addressable): Declare.
4318         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4319
4320 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4321
4322         PR middle-end/20606
4323         PR middle-end/24069
4324         * reload.c (subst_reloads): When adding a REG_LABEL to a
4325         jump instruction, also update JUMP_LABEL.
4326
4327 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4328
4329         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4330         * bb-reorder.c (copy_bb_p): Use it.
4331         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4332
4333 2005-10-05  Richard Henderson  <rth@redhat.com>
4334
4335         PR target/23602
4336         * toplev.c (process_options): Warn about unsupported combinations
4337         of unwind tables and omit-frame-pointer.
4338         * config/i386/i386.c (override_options): Similarly.  Enable
4339         accumulate-outgoing-args if not explicitly disabled.
4340
4341 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4342
4343         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4344         Handle big endian vs. small endian.
4345         (vec_initv2sf): Handle big endian vs. small endian.
4346         (*vec_extractv2sf_1): Ditto.
4347
4348 2005-10-05  Dale Johannesen  <dalej@apple.com>
4349
4350         * convert.c (convert_to_real):  Don't convert
4351         (float)floor(double d) to floorf((float)d).
4352
4353 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4354
4355         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4356
4357 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4358
4359         PR tree-optimization/18587
4360         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4361         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4362         build_vuses): Change to VEC type.
4363         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4364         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4365         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4366         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4367         (get_name_decl): New.  Return DECL_UID of base variable.
4368         (operand_build_cmp): New.  qsort comparison routine.
4369         (operand_build_sort_virtual): New.  Sort virtual build vector.
4370         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4371         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4372         (FINALIZE_BASE): Use get_name_decl.
4373         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4374         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4375         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4376         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4377         direct VEC_* manipulations.
4378         (build_ssa_operands): Call operand_build_sort_virtual.
4379         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4380         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4381         with direct VEC_* manipulations.
4382         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4383         with direct VEC manipulations.
4384
4385 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4386
4387         PR tree-optimization/21419
4388         PR tree-optimization/24146
4389         PR tree-optimization/24151
4390
4391         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4392         (build_asm_expr): Call it if outputs are read-only.
4393         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4394
4395 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4396             Paolo Bonzini  <bonzini@gnu.org>
4397
4398         PR target/23809
4399
4400         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4401         enable the instructions and not just the built-ins.
4402         * doc/invoke.texi (x86 Options): Likewise.
4403
4404 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4405
4406         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4407
4408         * doc/invoke.texi (Option Summary): Correct spelling
4409         of -mmacosx-version-min.
4410
4411 2005-10-04  Devang Patel  <dpatel@apple.com>
4412
4413         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4414         real types.
4415
4416 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4417
4418         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4419         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4420
4421 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4422
4423         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4424         ("TE","tg"): New mode attributes.
4425         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4426         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4427         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4428         dword_mode and one for GPRmode.
4429
4430 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4431
4432         PR preprocessor/13726
4433         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4434         any comments passed in.
4435
4436 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4437
4438         * tree.c (annotate_with_file_line): Fix typo.
4439
4440 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4441
4442         PR ada/19382
4443         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4444         type used to access data in the inlined length == 1 case, use
4445         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4446         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4447
4448 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4449
4450         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4451         TARGET_SSE3 and only for TARGET_80387.
4452         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4453         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4454         Do not depend on TARGET_80387.
4455
4456 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4457
4458         * tree.c (last_annotated_node): Change type to location_t*.
4459         (annotate_with_file_line): Reflect the change of
4460         last_annotated_node type.
4461
4462 2005-10-04  Richard Guenther  <rguenther@suse.de>
4463
4464         PR c/23576
4465         * c-decl.c (grokdeclarator): Don't write to fields
4466         of error_mark_node.
4467
4468 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4469
4470         PR middle-end/23125
4471         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4472         register variables.
4473         * varasm.c (make_decl_rtl): If a register variable does not
4474         have a set user assmbler name, error out.
4475         Decode the asmspec is now name+1 bypassing '*'.
4476
4477 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4478
4479         PR tree-optimization/23049
4480         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4481         of a COND_EXPR is folded before calling fold on the whole rhs of a
4482         conditional assignment.
4483         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4484         document that a COND_EXPR may appear there.
4485
4486 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4487
4488         PR 23445
4489         * tree-vrp.c (extract_range_from_assert): If the new numeric
4490         range created out of the assertion contradicts the existing
4491         numeric range of the ASSERT_EXPR variable, make the new range
4492         varying.
4493
4494 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4495
4496         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4497         from T_REGS to FP register class.
4498
4499 2005-10-03  Richard Henderson  <rth@redhat.com>
4500
4501         PR 24135
4502         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4503         before creating a new one.
4504
4505 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4506
4507         * config/rs6000/t-aix43 (LDFLAGS): New.
4508         * config/rs6000/t-aix52 (LDFLAGS): New.
4509
4510 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4511
4512         * gimplify.c (find_single_pointer_decl_1): New static function.
4513         (find_single_pointer_decl): New static function.
4514         (internal_get_tmp_var): For a formal variable, set restrict base
4515         information if appropriate.
4516         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4517         return it.
4518         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4519         (DECL_GET_RESTRICT_BASE): Define.
4520         (SET_DECL_RESTRICT_BASE): Define.
4521         (decl_restrict_base_lookup): Declare.
4522         (decl_restrict_base_insert): Declare.
4523         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4524         * tree.c (restrict_base_for_decl): New static variable.
4525         (init_ttree): Initialize restrict_base_for_decl.
4526         (copy_node_stat): Copy restrict base information.
4527         (decl_restrict_base_lookup): New function.
4528         (decl_restrict_base_insert): New function.
4529         (print_restrict_base_statistics): New static function.
4530         (dump_tree_statistics): Call print_restrict_base_statistics.
4531
4532 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4533
4534         PR 24142
4535         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4536         case of anti-ranges.
4537
4538 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4539
4540         PR c/18851
4541         * c-typeck.c (tagged_tu_seen): Rename to ...
4542         (tagged_tu_seen_cache): this and add val field.
4543         (comptypes): Move functional to comptypes_internal
4544         and free tagged_tu_seen.
4545         (comptypes_internal): New function and call comptypes_internal
4546         instead of comptypes. Speed up by sibcalling
4547         tagged_types_tu_compatible_p.
4548         (alloc_tagged_tu_seen): New function
4549         (free_all_tagged_tu_seen_up_to): New function.
4550         (tagged_types_tu_compatible_p): Return the val of the seen two
4551         types.
4552         Add that the two types are the same to tagged_tu_seen_base
4553         if they are and call comptypes_internal instead of comptypes.
4554         <case UNION_TYPE>: Speed up common type where the fields are
4555         in the same order.
4556         (function_types_compatible_p): Call comptypes_internal instead of
4557         comptypes.
4558         (type_lists_compatible_p): Likewise.
4559         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4560
4561 2005-10-02  Matthias Klose  <doko@debian.org>
4562
4563         * doc/invoke.texi: Fix typo and speling error.
4564
4565 2005-10-01  Richard Henderson  <rth@redhat.com>
4566
4567         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4568
4569 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4570
4571         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4572         using --start-group and --end-group.
4573
4574 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4575
4576         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4577         FIXME note regarding quirky semantics.
4578
4579 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4580
4581         PR 24141
4582         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4583         non-null range as a last resort.
4584
4585 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4586             Diego Novillo  <dnovillo@redhat.com>
4587
4588         PR 23604
4589         * tree-vrp.c (extract_range_from_assert): For !=
4590         assertions, only build an anti-range if LIMIT is a
4591         single-valued range.
4592
4593 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4594
4595         * arm.md (movqi): On thumb when optimizing, handle loading from
4596         memory by describing this as taking a subreg of a zero-extended load
4597         into an SImode register.
4598         (movhi): Likewise.
4599
4600 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4601
4602         * reload1.c (merge_assigned_reloads): Do not change any
4603         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4604
4605 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4606
4607         * Makefile.in (LIPO_FOR_TARGET): Define.
4608         (STRIP_FOR_TARGET): Define.
4609
4610         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4611         before creating new ones.  Do symlinks before creating the actual
4612         targets.
4613
4614         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4615         to work out which multilibs are actually being built.
4616
4617 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4618
4619         * tree-vect-transform.c, config/ms1/ms1.md,
4620         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4621         Follow spelling conventions.
4622         * doc/invoke.texi, doc/md.texi: Fix typos.
4623
4624 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4625
4626         PR tree-optimization/21430
4627         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4628         use operands, and set stmt pointer if need be.
4629         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4630         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4631         present.
4632
4633 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4634
4635         PR middle-end/24053
4636         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4637
4638 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4639
4640         * optabs.c (expand_binop): Initialize first_pass_p.
4641
4642 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4643
4644         PR middle-end/24109
4645         * c-decl.c (c_write_global_declarations_1): If any
4646         wrapup_global_declaration_2 call returned true, restart the loop.
4647
4648 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4649
4650         Fix PR tree-optimization/24117
4651         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4652         before considering whether to use anyoffset.
4653
4654 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4655
4656         Revert this patch:
4657
4658         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4659
4660         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4661         to order operands.
4662         (swap_commutative_operands_with_target): New.
4663
4664 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4665
4666         PR c/21419
4667         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4668         read-only.
4669
4670 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4671
4672         PR tree-optimization/23911
4673         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4674         and IMAGPART_EXPR too.
4675
4676 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4677
4678         PR 17886
4679         * expmed.c (expand_shift): Move logic to reverse rotation
4680         direction when  rotating by constants ...
4681         * optabs.c (expand_binop): ... here.
4682         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4683         (ix86_rotrdi3): New pattern.
4684         (rotldi3): Handle 32-bit mode.
4685         (ix86_rotldi3): New pattern.
4686
4687 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4688
4689         PR target/24102
4690         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4691         check for numbers that need no bit twiddle.
4692
4693 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4694
4695         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4696         multilib to be built.
4697
4698         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4699         (stage1-start): Delete old libgcc and libunwind before moving
4700         anything into the stage directory.
4701         (stage2-start): Likewise.
4702         (stage3-start): Likewise.
4703         (stage4-start): Likewise.
4704         (stageprofile-start): Likewise.
4705         (stagefeedback-start): Likewise.
4706         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4707         header in tm_file and CPU-specific t-darwin in tmake_file.
4708         (i[34567]86-*-darwin*): Don't change tm_file.
4709         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4710         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4711         shared library stub for target OS version.
4712         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4713         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4714         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4715         (libgcc_s.%.dylib): New.
4716         (LIBGCC): Define.
4717         (install-darwin-libgcc-stubs): New.
4718         (INSTALL_LIBGCC): New append.
4719         * config/i386/darwin-libgcc.10.4.ver: New.
4720         * config/i386/darwin-libgcc.10.5.ver: New.
4721         * config/i386/t-darwin: New.
4722         * config/rs6000/darwin-libgcc.10.4.ver: New.
4723         * config/rs6000/darwin-libgcc.10.5.ver: New.
4724         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4725         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4726
4727 2005-09-28  Paul Brook  <paul@codesourcery.com>
4728
4729         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4730         denormals.
4731
4732 2005-09-28  Richard Guenther  <rguenther@suse.de>
4733
4734         PR tree-optimization/23853
4735         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4736         host_integerp to verify misalignment value.
4737
4738 2005-09-28  Richard Henderson  <rth@redhat.com>
4739
4740         * builtins.c (get_builtin_sync_mode): New.
4741         (expand_builtin_sync_operation): Pass in mode argument.
4742         (expand_builtin_compare_and_swap): Likewise.
4743         (expand_builtin_lock_test_and_set): Likewise.
4744         (expand_builtin_lock_release): Likewise.
4745         (expand_builtin): Update to match.
4746
4747 2005-09-28  Nick Clifton  <nickc@redhat.com>
4748
4749         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4750         formatting.  Add check to PLUS case to ensure that the offset is
4751         within an acceptable range.
4752
4753         * config/v850/v850.md (casesi): Disable the generation of the
4754         switch pattern as it is not being handled properly at the moment.
4755
4756         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4757         for when the high words are identical.
4758
4759 2005-09-27  Richard Henderson  <rth@redhat.com>
4760
4761         * pretty-print.c (pp_base_format): Fix typo for %>.
4762
4763 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4764             Devang Patel  <dpatel@apple.com>
4765
4766         PR tree-optimization/23625
4767         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4768         LABEL_EXPR, assertion check.
4769
4770 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4771
4772         * optabs.c (no_conflict_move_test): Check if a result of a
4773         to-be-moved insn would be clobbered by an originally
4774         preceding insn.
4775
4776 2005-09-27  Jeff Law  <law@redhat.com>
4777
4778         * passes.c (init_optimization_passes): Replace copy propagation
4779         passes immediately after DOM with phi-only copy propagation
4780         pases.  Add phi-only copy propagation pass after first DOM pass.
4781         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4782         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4783         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4784         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4785         to init_copy_prop.  Callers updated.
4786         (do_phi_only_copy_prop): New function.
4787         (pass_phi_only_copy_prop): New pass descriptor.
4788
4789 2005-09-27  Nick Clifton  <nickc@redhat.com>
4790
4791         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4792
4793 2005-09-26  Jason Merrill  <jason@redhat.com>
4794
4795         PR c++/13764
4796         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4797
4798         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4799
4800 2005-09-26  James E Wilson  <wilson@specifix.com>
4801
4802         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4803         copyright.  Add gcc copyright plus libgcc exception.
4804         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4805         copyright.
4806         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4807
4808 2005-09-26  Jeff Law  <law@redhat.com>
4809
4810         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4811         about when to iterate.
4812
4813 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4814
4815         PR target/23847
4816         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4817         for __complex__ double in -mcpu=G5 mode.
4818
4819 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4820
4821         PR tree-optimization/23942
4822         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4823         * tree-scalar-evolution.c: Include params.h.
4824         (t_bool): New enum.
4825         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4826         follow_ssa_edge_in_condition_phi_branch,
4827         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4828         Change return type to t_bool.  Use a parameter to limit the size of
4829         trees that are walked before stopping
4830         (analyze_evolution_in_loop): Initialize the limit to 0.
4831         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4832         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4833
4834 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4835
4836         PR middle-end/23831
4837         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4838         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4839
4840 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4841
4842         * combine.c (make_extraction): Check for valid use of subreg.
4843
4844 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4845
4846         PR target/24055
4847         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4848         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4849         ("fist<mode>2_with_temp"): Use only register operands.
4850
4851 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4852
4853         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4854         CALL_INSN_FUNCTION_USAGE.
4855
4856 2005-09-26  Richard Guenther  <rguenther@suse.de>
4857
4858         PR middle-end/15855
4859         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4860         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4861         (ldst_entry): Use the hashtable instead of list-walking.
4862         (find_rtx_in_ldst): Likewise.
4863         (free_ldst_entry): Free the hashtable.
4864         (compute_ld_motion_mems): Create the hashtable.
4865         (trim_ld_motion_mems): Remove entry from hashtable if
4866         removing it from list.
4867         (compute_store_table): Likewise^2.
4868         (store_motion): Free hashtable in case we did not see
4869         any stores.
4870
4871 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4872
4873         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4874         and arg1 if we are passing them to fold_build2.
4875
4876 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4877
4878         PR 23828
4879         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4880         a nested function.
4881
4882 2005-09-25  Richard Henderson  <rth@redhat.com>
4883
4884         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4885         SYMBOL_REF_TLS_MODEL to be correct.
4886
4887 2005-09-24  Richard Henderson  <rth@redhat.com>
4888
4889         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4890         end of function.  Reindent.
4891
4892 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4893
4894         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4895         NEGATE_EXPR/BIT_NOT_EXPR case.
4896
4897 2005-09-24  Richard Henderson  <rth@redhat.com>
4898
4899         * c-common.c (handle_mode_attribute): When not modifying in place,
4900         create subtypes for enumerations.
4901         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4902         * gimplify.c (create_tmp_from_val): Likewise.
4903
4904 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4905
4906         * config/i386/i386.md (*tls_global_dynamic_64,
4907         *tls_local_dynamic_base_64): Add missing mode to call.
4908         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4909
4910 2005-09-24  Jan Hubicka  <jh@suse.cz>
4911
4912         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4913         (cgraph_clone_node): Likewise.
4914         * cgraph.h (cgraph_clone_edge): Update prototype.
4915         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4916         duplicated prototypes; add updating argument.
4917         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4918         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4919         updating profile.
4920         (cgraph_mark_inline_edge): Likewise.
4921         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4922         (cgraph_flatten_node): Likewise.
4923         (cgraph_decide_recursive_inlining): Likewise.
4924         (cgraph_decide_inlining_of_small_function): Likewise.
4925         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4926
4927 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4928             Pete Steinmetz <steinmtz@us.ibm.com>
4929
4930         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4931         (rldic.): Set type to "compare".
4932         (rldicr.): Same.
4933         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4934         mfjmpr for MFCTR/MFLR.
4935         (movdf_hardfloat64): Same.
4936         (movdf_softfloat64): Same.  Correct order of store and move types.
4937         (movti_string): Set type to store_ux/load_ux.
4938         (load_multiple): Set type to load_ux.
4939         (store_multiple): Set type to store_ux.
4940         (movmemsi): Set type to store_ux.
4941         (output_cbranch direct_return): Set type to jmpreg.
4942         (stmw): Set type to store_ux.
4943         (lmw): Set type to load_ux.
4944         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4945         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4946         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4947         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4948         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4949         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4950         (rios1-fpstore): Increase latency to 3.
4951         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4952         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4953
4954 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4955             Andrew Pinski  <pinskia@physics.uc.edu>
4956
4957         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4958         operand2 constraint to "b".
4959         (sync_<fetchop_name>di_internal): Same.
4960         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4961         to "b".
4962         (sync_old_<fetchop_name>di_internal): Same.
4963         (sync_new_<fetchop_name>si_internal): Same.
4964         (sync_new_<fetchop_name>di_internal): Same.
4965
4966 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4967
4968         PR middle-end/23991
4969         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4970         case, define as macros.
4971
4972         PR rtl-optimization/23837
4973         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
4974         clobber / clobber match between dest and p->first.
4975
4976         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4977         (no_conflict_move_test): Update comments.
4978
4979 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4980
4981         * doc/install.texi: Update URL for Jacks.
4982         * doc/sourcebuild.texi: Likewise.
4983
4984 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4985
4986         PR target/24007
4987         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4988         registers when choosing register preferences.
4989         (movdf_hardfloat64): Same.
4990
4991 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
4992
4993         * expmed.c (expand_shift): Don't use the target of the rotate as
4994         target for the first expanded shift insn.
4995         * testsuite/gcc.dg/20050922-1.c: Testcase added.
4996
4997 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
4998
4999         PR tree-optimization/22438
5000         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5001         preserved iv rhs rewriting specially.
5002
5003 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5004
5005         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5006         estimate_only  is true.
5007         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5008         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5009         tree-ssa-structalias.c
5010         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5011         ref_contains_indirect_ref.
5012         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5013
5014 2005-09-21  DJ Delorie  <dj@redhat.com>
5015
5016         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5017         MASK_PTR_A0D0.
5018         (mn10300_return_in_memory): Support variable size types also.
5019         (mn10300_pass_by_reference): Likewise.
5020         (mn10300_function_value): New.
5021         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5022         (FUNCTION_OUTGOING_VALUE): Likewise.
5023         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5024         * doc/invoke.texi: Document it.
5025
5026 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5027
5028         PR target/22585
5029         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5030         force integer op1 into register for XFmode compares.
5031
5032 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5033
5034         PR middle-end/23971
5035         * expmed.c (alg_code): Add alg_impossible.
5036         (alg_hash_entry): Add cost.
5037         (synth_mult): Record alg_impossible in the hash table if
5038         multiplication by a given integer is impossble within the
5039         limit.  Speed up using alg_impossible.
5040
5041 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5042
5043         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5044         argument.  Allow and set any offset if needs_anyoffset is passed
5045         in.
5046         (get_constraint_for): Add argument here too.
5047         Pass it down.
5048         (do_structure_copy): Pass NULL to get_constraint_for.
5049         (handle_ptr_arith): Ditto.
5050         (find_func_aliases): Ditto.
5051
5052 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5053
5054         PR rtl-optimization/23898
5055         * output.h (get_attr_min_length): Declare.
5056         * final.c (get_attr_length_1): New function, broken out of:
5057         (get_attr_length).
5058         (get_attr_min_length): New function.
5059         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5060         (duplicate_computed_gotos): Likewise.
5061         * genattr.c (insn_min_length): Generate declaration.
5062         * genattrtab.c (min_fn, min_attr_value): New functions.
5063         (make_length_attrs): Generate insn_min_length.
5064
5065 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5066
5067         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5068
5069 2005-09-20  Richard Henderson  <rth@redhat.com>
5070
5071         PR tree-optimization/24059
5072         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5073         EXPAND_STACK_PARM.
5074
5075 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5076
5077         * c.opt (fextended-identifiers): New.
5078         * c-opts.c (c_common_handle_option): Handle
5079         -fextended-identifiers.
5080         * doc/cpp.texi: Update documentation of extended identifiers.
5081         * doc/cppopts.texi (-fextended-identifiers): Document.
5082
5083 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5084
5085         PR tree-optimization/23929
5086         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5087         if expr is NULL.
5088
5089         PR tree-optimization/23818
5090         * tree-stdarg.c (execute_optimize_stdarg): Call
5091         calculate_dominance_info.
5092
5093 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5094
5095         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5096         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5097         (compute_overlap_steps_for_affine_1_2): Use
5098         get_number_of_iters_for_loop.
5099         (analyze_subscript_affine_affine): Check whether difference is
5100         zero first.
5101         Use get_number_of_iters_for_loop.
5102         Check whether overlap occurs outside of bounds.
5103         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5104
5105 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5106
5107         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5108         base register if possible.
5109
5110 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5111
5112         PR tree-optimization/18463
5113         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5114         converting it directly is not possible.
5115         (chrec_convert_aggressive): New function.
5116         * tree-chrec.h (chrec_convert_aggressive): Declare.
5117         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5118         Fold chrec conversions aggressively if asked to.
5119         (instantiate_parameters): Modified because of changes in
5120         instantiate_parameters_1.
5121
5122 2005-09-19  Richard Henderson  <rth@redhat.com>
5123
5124         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5125         (reduc_splus_v2df): New.
5126
5127 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5128
5129         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5130         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5131
5132 2005-09-19  Richard Henderson  <rth@redhat.com>
5133
5134         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5135         vcondu<SSEMODE12>.
5136
5137 2005-09-19  Richard Henderson  <rth@redhat.com>
5138
5139         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5140         (ia64_expand_dot_prod_v8qi): New.
5141         * config/ia64/ia64-protos.h: Update.
5142         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5143         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5144         sdot_prodv8qi, sdot_prodv4hi): New.
5145         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5146
5147 2005-09-19  Richard Henderson  <rth@redhat.com>
5148
5149         PR 23941
5150         * real.c (exact_real_truncate): Return false if the format cannot
5151         represent the number as a normal.
5152
5153         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5154         for a memory source.
5155
5156 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5157
5158         * tree-ssa-operands.c (swap_tree_operands): Export.
5159         * tree.h (swap_tree_operands): Declare.
5160         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5161         Call swap_tree_operands.
5162
5163 2005-09-19  Richard Henderson  <rth@redhat.com>
5164
5165         * tree-flow.h (merge_alias_info): Declare.
5166         * tree-ssa-copy.c (merge_alias_info): Export.
5167         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5168         (vect_create_data_ref_ptr): Use create_iv directly.
5169         (vectorizable_load): Use correct types for integer constants.
5170         (vect_generate_tmps_on_preheader): Likewise.
5171         (vect_gen_niters_for_prolog_loop): Likewise.
5172
5173 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5174
5175         PR rtl-optimization/23943
5176         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5177
5178 2005-09-18  Jan Hubicka  <jh@suse.cz>
5179
5180         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5181
5182 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5183
5184         * varasm.c (output_constant): Do not abort on conversions to union
5185         types between different sizes.
5186
5187 2005-09-18  Richard Guenther  <rguenther@suse.de>
5188
5189         PR middle-end/23944
5190         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5191         fallback.
5192
5193 2005-09-18  Paul Brook  <paul@codesourcery.com>
5194
5195         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5196
5197 2005-09-17  Richard Henderson  <rth@redhat.com>
5198
5199         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5200         * tree-ssa-loop.c (pass_vect_dce): Remove.
5201         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5202         of pass_vectorize.
5203
5204 2005-09-17  Richard Henderson  <rth@redhat.com>
5205
5206         * tree-pass.h (pass_vect_dce): Declare.
5207         * passes.c (init_optimization_passes): Add it.
5208         * tree-flow.h (tree_ssa_dce): Declare.
5209         * tree-ssa-dce.c (tree_ssa_dce): Export.
5210         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5211         (gate_tree_vectorize): ... here.
5212         (pass_vect_dce): New.
5213
5214 2005-09-17  Jan Hubicka  <jh@suse.cz>
5215
5216         * except.c (struct eh_status): Turn region_array into vec.
5217         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5218         convert_from_eh_region_ranges, find_exception_handler_labels,
5219         current_function_has_exception_handlers, assign_filter_values,
5220         build_post_landing_pads, dw2_build_landing_pads,
5221         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5222         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5223         foreach_reachable_handler, can_throw_internal_1,
5224         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5225         region_array.
5226         (duplicate_eh_region_1): Update region_array.
5227         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5228
5229 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5230
5231         PR middle-end/22067
5232         * expmed.c (expand_mult): Substitute simple register for op0 when
5233         computing max_cost.
5234
5235 2005-09-17  Richard Henderson  <rth@redhat.com>
5236
5237         * expr.c (emit_move_via_integer): Add force argument, pass it on
5238         to emit_move_change_mode.  Update callers.
5239         (emit_move_complex): Pass true to new force argument.
5240         * function.c (expand_function_end): Move expand_eh_return call
5241         earlier.  Merge sub-word complex values into a pseudo before
5242         copying to the return hard register.
5243
5244 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5245
5246         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5247         between different sizes.
5248
5249 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5250
5251         PR 23903
5252
5253         * passes.c (init_optimization_passes): Register dump files for
5254         IPA passes first.
5255
5256 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5257
5258         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5259         * config/s390/s390.c (s390_overlap_p): New function.
5260         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5261         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5262         condition.
5263
5264 2005-09-16  Richard Guenther  <rguenther@suse.de>
5265
5266         * ipa-pure-const.c (static_execute): Free auxiliar information.
5267         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5268         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5269
5270 2005-09-15  DJ Delorie  <dj@redhat.com>
5271
5272         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5273
5274 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5275
5276         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5277         to order operands.
5278         (swap_commutative_operands_with_target): New.
5279
5280 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5281
5282         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5283         parameter.
5284         Update callers.
5285         (estimate_iters_using_array): New function.
5286         * tree-data-ref.h (estimate_iters_using_array): Prototype
5287         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5288         Use estimate_iters_using_array instead of analyze_array.
5289
5290 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5291
5292         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5293         as addressable.
5294
5295 2005-09-15  Michael Matz  <matz@suse.de>
5296
5297         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5298
5299 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5300
5301         PR tree-optimization/23835
5302         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5303         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5304
5305 2005-09-14  Richard Henderson  <rth@redhat.com>
5306
5307         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5308         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5309
5310 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5311
5312         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5313         in the ARRAY_TYPE case.
5314
5315 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5316
5317         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5318
5319 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5320
5321         PR middle-end/22480
5322         * tree-vect-transform.c (vectorizable_operation): Return false for
5323         scalar shift operations and for vector shift operations with
5324         non-invariant shift arguments.  Use scalar tree operand op1 as
5325         a shift operand when vector shift insn pattern uses scalar shift
5326         operand.
5327         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5328
5329 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5330
5331         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5332         value if it has side-effects.
5333
5334 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5335
5336         PR target/22068
5337         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5338
5339 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5340
5341         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5342         passed as NAME as if it were label at start of function code.
5343
5344 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5345
5346         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5347         the constraints.
5348
5349 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5350
5351         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5352         as early clobber.  Rewrite so the PIC register is not implicitly used.
5353
5354 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5355
5356         * tree.c (annotate_with_file_line): Compare line numbers before
5357         file names.
5358
5359 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5360
5361         PR target/23816
5362         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5363         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5364
5365 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5366
5367         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5368         than a HOST_WIDEST_INT to gen_doloop_begin.
5369
5370 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5371
5372         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5373
5374 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5375
5376         PR tree-optimize/23817
5377         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5378
5379 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5380
5381         PR target/23774
5382         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5383         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5384         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5385         (restore_stack_nonlocal): Likewise.
5386         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5387
5388 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5389
5390         PR g++/7874
5391         * c.opt (ffriend-injection): New C++ option.
5392         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5393         (C++ Dialect Options): Document -ffriend-injection.
5394
5395 2005-09-12  Josh Conner  <jconner@apple.com>
5396
5397         PR middle-end/23237
5398         * ipa-reference.c (static_execute): Don't mark variables in
5399         named sections TREE_READONLY.
5400
5401 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5402
5403         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5404         stack_tie.
5405
5406 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5407
5408         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5409         V_MUST_DEF instead of just the first_use_p.
5410         Don't mark the virtual variables for renaming on the statement which
5411         is being removed.
5412         (pass_dse): Remove TODO_update_ssa.
5413
5414 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5415
5416         PR middle-end/23290
5417         * stor-layout.c (compute_record_mode): For records with a single
5418         field, actually check the field's mode size against the type size.
5419
5420         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5421         registers for TARGET_SHMEDIA.
5422         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5423         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5424         of GENERAL_REGS and FP_REGS.
5425
5426 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5427
5428         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5429
5430 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5431
5432         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5433         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5434         are omitted.  Exclude stack_tie insn too.
5435
5436 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5437
5438         PR rtl-optimization/23098
5439         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5440         0.0f is easy.
5441         * config/rs6000/rs6000.md (movdf splitter): Use
5442         const_double_operand predicate for TARGET_POWERPC64.
5443         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5444         SYMBOL_REF method to ABI_V4.
5445
5446         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5447         replace_equiv_address.
5448         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5449         rs6000_sr_alias_set and MEM_NOTRAP.
5450         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5451
5452 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5453
5454         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5455         handle CALL_EXPR again.
5456
5457 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5458
5459         * arm/predicates.md (alignable_memory_operand): Delete.
5460
5461 2005-09-10  Richard Henderson  <rth@redhat.com>
5462
5463         PR debug/23806
5464         * dbxout.c (dbxout_expand_expr): New.
5465         (dbxout_symbol): Use it.
5466
5467 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5468
5469         * arm.c (arm_gen_rotated_half_load): Delete.
5470         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5471         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5472         (thumb_set_return_address): Likewise.
5473         (thumb_load_double_from_address): Use adjust_address.
5474         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5475         (extendhsisi2_mem, movhi_bytes): Use change_address.
5476         (movhi): Use widen_memory_access.
5477         (reload_out_df): Use replace_equiv_address.
5478         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5479
5480 2005-09-09  Richard Henderson  <rth@redhat.com>
5481
5482         PR debug/20998
5483         * dbxout.c: Include expr.h.
5484         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5485         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5486         * Makefile.in (dbxout.o): Add EXPR_H.
5487
5488 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5489
5490         PR tree-optimization/23509
5491         * tree-cfg.c (replace_uses_by): Use replace_exp.
5492         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5493         pointers have name_mem_tag or type_mem_tag set.
5494
5495 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5496
5497         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5498         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5499         of wrongly accessing operands.
5500
5501 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5502
5503         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5504         * tree-chrec.c: Include tree-scalar-evolution.h.
5505         (chrec_convert): Instantiate the base and step before calling
5506         scev_probably_wraps_p that would fail on parametric evolutions.
5507         Collect all the fails into a single section failed_to_convert,
5508         print a diagnostic, and return chrec_dont_know instead of calling
5509         fold_convert.
5510         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5511         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5512         phi nodes.
5513         (scev_const_prop): Don't replace the definition of a loop closed ssa
5514         phi node by itself, or by another loop closed ssa phi node.
5515         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5516         that base and step are defined.
5517
5518 2005-09-09  Richard Guenther  <rguenther@suse.de>
5519
5520         PR c++/23624
5521         * fold-const.c (fold_ternary): Check truth_value_p before
5522         calling invert_truthvalue.
5523
5524 2005-09-09  Nick Clifton  <nickc@redhat.com>
5525
5526         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5527         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5528         dimension of these arrays.
5529         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5530         these arrays.
5531         * longlong.h: Only provide a prototype for the __clz_tab[] array
5532         if this header has not been included from libgcc2.h.
5533         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5534         defining own types.
5535         Provide prototypes for exported functions.
5536         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5537         libgcc2.c.
5538
5539 2005-09-08  Josh Conner  <jconner@apple.com>
5540
5541         PR c++/21135
5542         PR c++/23180
5543         * expr.c (expand_expr_addr_expr_1): Don't invoke
5544         expand_simple_binop for EXPAND_INITIALIZER.
5545
5546 2005-09-08  Richard Henderson  <rth@redhat.com>
5547
5548         PR debug/23190
5549         * toplev.c (wrapup_global_declaration_1): Split out ...
5550         (wrapup_global_declaration_2): ... from ...
5551         (wrapup_global_declarations): ... here.  Return bool.
5552         (check_global_declaration_1): Split out ...
5553         (check_global_declarations): from here.
5554         (emit_debug_global_declarations): New.
5555         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5556         check_global_declaration_1, emit_debug_global_declarations): Declare.
5557         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5558         of decls.  Call wrapup_global_declaration_1,
5559         wrapup_global_declaration_2, check_global_declaration_1 directly.
5560         (c_write_global_declarations_2): New.
5561         (ext_block): New.
5562         (c_write_global_declarations): Call c_write_global_declarations_2.
5563         * langhooks.c (write_global_declarations): Call
5564         emit_debug_global_declarations.
5565
5566         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5567         remove decls that have DECL_RTL_SET_P.
5568         * passes.c (rest_of_decl_compilation): Invoke
5569         cgraph_varpool_finalize_decl for all but functions.
5570
5571 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5572
5573         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5574         the result of a conversion if the new min and max cannot be compared.
5575
5576 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5577
5578         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5579         (override_options): Setting s390_sr_alias_set removed.
5580         (save_fpr, save_gprs): Set alias set to vararg or frame.
5581         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5582         s390_sr_alias_set with get_frame_alias_set ().
5583         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5584         get_varargs_alias_set ().
5585
5586 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5587
5588         PR objc/20574
5589         PR objc/19324
5590         * c-parser.c (c_parser_objc_method_definition): If the next
5591         token is not "{", error out and don't start the function.
5592
5593 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5594
5595         * tree-vrp.c (extract_range_from_expr): Move the check for non
5596         nullness after the check for gimple invariant.
5597
5598 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5599
5600         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5601
5602 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5603
5604         PR target/23747
5605         * config/m32r.md (movmemsi_internal): Canonicalize order of
5606         operands in PLUS component of template.
5607
5608 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5609
5610         * reload1.c (fixup_eh_region_note): Remove assertion.
5611         (fixup_abnormal_edges): Reverted removal of call to
5612         find_many_sub_basic_blocks made on 2005-08-31.
5613
5614 2005-09-07  Richard Henderson  <rth@redhat.com>
5615
5616         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5617         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5618         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5619         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5620         rearrange for better packing.
5621         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5622         (lookup_cfa_1): Remove inline marker.
5623         (cfa_equal_p): Split out of ...
5624         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5625         (build_cfa_loc): Handle !cfa->indirect.
5626         (frame_pointer_cfa_offset): New.
5627         (dbx_reg_number): Assert register elimination performed; do
5628         leaf register remapping.
5629         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5630         (eliminate_reg_to_offset): New.
5631         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5632         for verifiably local stack frame addresses; re-base to CFA.
5633         (mem_loc_descriptor): Remove can_use_fbreg argument.
5634         (concat_loc_descriptor, loc_descriptor): Likewise.
5635         (containing_function_has_frame_base): Remove.
5636         (rtl_for_decl_location): Don't do register elimination or
5637         leaf register remapping here.
5638         (secname_for_decl): Split out from ..
5639         (add_location_or_const_value_attribute): ... here.
5640         (convert_cfa_to_loc_list): New.
5641         (compute_frame_pointer_to_cfa_displacement): New.
5642         (gen_subprogram_die): Use them.
5643         * tree.h (frame_base_decl): Remove.
5644         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5645         (prologue_stack_adjust): Remove.
5646         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5647         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5648         (set_frame_base_location): Remove.
5649         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5650         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5651         (vt_add_function_parameters): Don't eliminate_regs.
5652         (vt_initialize): Don't create frame_base_decl.
5653
5654 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5655
5656         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5657         version of GNU binutils for 4.x and later.
5658
5659 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5660
5661         * ggc-page.c (ggc_push_context): Remove.
5662         (ggc_pop_context): Likewise.
5663         * ggc.h (ggc_push_context): Remove.
5664         (ggc_pop_context): Likewise.
5665
5666 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5667
5668         PR target/8973
5669         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5670         returning from an interrupt handler.
5671
5672 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5673
5674         PR target/8972
5675         * config/arc/arc.c (output_shift): Add check for loop count when
5676         optimizing.
5677
5678 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5679
5680         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5681         form manually.
5682         (abs_replacement): Likewise.
5683         (pass_phiopt): Remove TODO_update_ssa.
5684
5685 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5686
5687         PR c/23075
5688         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5689         if "return with no value, in function returning non-void" warning
5690         has been issued.
5691         * tree-cfg.c (execute_warn_function_return): Don't look at
5692         RETURN_EXPRs with TREE_NO_WARNING set.
5693
5694         PR target/22362
5695         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5696         for internal functions doesn't use registers used by global registers
5697         variables.  Use fewer register parameters if there are global register
5698         variables.
5699
5700 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5701             Eric Botcazou  <ebotcazou@adacore.com>
5702
5703         PR middle-end/14997
5704         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5705         when we would be extracting outside its bit span (bitpos+bitsize
5706         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5707         Ada unchecked conversions.
5708
5709 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5710
5711         * tree-ssa-pre.c (try_look_through_load): New function.
5712         (compute_avail): Use it to try to look through loads for some
5713         more useful expressions.
5714
5715 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5716
5717         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5718         condition for detecting cases like (a&a) and (a^a).
5719
5720 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5721
5722         * common.opt: Add option ftree-vect-loop-version.
5723         * params.def: Add --param vect-max-version-checks.
5724         * doc/invoke.texi: Document ftree-vect-loop-version and
5725         --param vect-max-version-checks.
5726         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5727         may_misalign_stmts and defines for accessors.
5728         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5729         LOOP_VINFO_MAY_MISALIGN_STMTS.
5730         (destroy_loop_vec_info): VEC_free for
5731         LOOP_VINFO_MAY_MISALIGN_STMTS.
5732         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5733         Update documentation.
5734         (vect_update_misalignment_for_peel): New.
5735         (vect_enhance_data_refs_alignment): Update to choose loop
5736         peeling or loop versioning if appropriate for the (potentially)
5737         unaligned data references in the loop.
5738         (vect_analyze_data_refs_alignment): Remove call to
5739         vect_enhance_data_refs_alignment so the checks can be done
5740         earlier.
5741         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5742         and move up call to vect_analyze_data_refs_alignment.
5743         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5744         (vect_transform_loop): Add call to loop_version.
5745
5746 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5747
5748         PR rtl-optimization/23098
5749         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5750         * simplify-rtx.c (constant_pool_reference_p): New function.
5751         * rtl.h (constant_pool_reference_p): New prototype.
5752         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5753         constant_pool_reference_p in condition and
5754         avoid_constant_pool_reference in preparation statements.
5755
5756 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5757
5758         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5759         STRICT_LOW_PART SETs.
5760
5761 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5762
5763         PR middle-end/21460
5764         * except.c (sjlj_emit_function_enter): Find the function begin
5765         note even when it's not in first basic block.
5766
5767 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5768
5769         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5770         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5771         * aclocal.m4: Regenerate.
5772
5773 2005-09-05  DJ Delorie  <dj@redhat.com>
5774
5775         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5776         of macro.
5777
5778 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5779
5780         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5781         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5782         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5783         Follow spelling conventions.
5784         * doc/invoke.texi: Follow spelling conventions.
5785
5786 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5787
5788         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5789         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5790         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5791
5792 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5793
5794         PR target/23683
5795         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5796         (output_stack_adjust): Use gen_tmp_stack_mem.
5797         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5798         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5799         (sh_get_pr_initial_val): Likewise.
5800         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5801         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5802         * sh.md (divsi_inv_m0): Use gen_const_mem.
5803         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5804         (movdf_i4+1): Use gen_tmp_stack_mem.
5805         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5806         (fpu_switch+2): Likewise.
5807         (movv4sf_i, movv16sf_i): Use adjust_address.
5808         (symGOT_load): Set MEM_NOTRAP_P bit.
5809
5810 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5811
5812         PR target/23721
5813         * pa.c (emit_move_sequence): Fix typo in last change.
5814
5815 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5816
5817         PR rtl-optimization/23454
5818         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5819         is true.
5820
5821 2005-09-03  Richard Henderson  <rth@redhat.com>
5822             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5823
5824         PR middle-end/23671
5825         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5826         gen_rtx_MEM.
5827
5828 2005-09-02  Nicolas Pitre <nico@cam.org>
5829
5830         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5831         to bit_count to 32 bits.
5832
5833 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5834
5835         PR c++/23167
5836         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5837         generating synthetic loads from volatile lvalues.
5838
5839 005-09-02  Nick Clifton  <nickc@redhat.com>
5840
5841         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5842         __ctzhi2, __clzhi2): New functions.
5843
5844 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5845
5846         PR middle-end/23547
5847         * tree-nested.c (struct var_map_elt): Mark with GTY.
5848         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5849         var_map_elt.
5850         (lookup_field_for_decl): Allocate new element in GC memory.
5851         (lookup_tramp_for_decl): Likewise.
5852         (convert_nl_goto_reference): Likewise
5853         (create_nesting_tree): Allocate info in GC memory. Likewise for
5854         info->var_map.
5855         (free_nesting_tree): Free with ggc_free instead of free.
5856         (root): New static variable.
5857         (lower_nested_functions): Remove root as local variable.  And zero out
5858         root at the end of the function.
5859
5860 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5861
5862         PR rtl-optimization/20365
5863         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5864         to short.  New member ix.
5865         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5866         (simplify_plus_minus): Initialize ix members before calling qsort.
5867
5868 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5869
5870         PR tree-optimization/23626
5871         * tree-cfg.c (replace_uses_by): Clean up eh info.
5872
5873 2005-09-01  DJ Delorie  <dj@redhat.com>
5874
5875         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5876         fprintf.
5877
5878 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5879
5880         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5881         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5882         gen_rtx_MEM.
5883
5884 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5885
5886         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5887         do not issue warning for a variable definition following
5888         a declaration.
5889
5890 2005-09-01  Richard Henderson  <rth@redhat.com>
5891
5892         PR 23668
5893         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5894         conversion to CONST_VECTOR.
5895
5896 2005-09-01  Richard Henderson  <rth@redhat.com>
5897
5898         PR 23676
5899         * reload1.c (reload_as_needed): Check !CALL_P before calling
5900         fixup_eh_region_note.
5901         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5902
5903 2005-09-01  DJ Delorie  <dj@redhat.com>
5904
5905         * varasm.c (output_constant): Let the target resolve
5906         conversions of addresses to non-default pointer sizes.
5907
5908 2005-09-01  Nicolas Pitre <nico@cam.org>
5909
5910         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5911         to alow matching ARM pre-indexed addressing mode.
5912         (arm_override_options): Remove now irrelevant comment.
5913
5914 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5915
5916         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5917         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5918         * config/i386/vxworks.h:  Likewise.
5919         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5920         * config/i386/vxworksae.h:  Likewise.
5921
5922 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5923
5924         PR tree-optimization/23410
5925         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5926         sequence is not wrapping during the first step.
5927
5928 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5929
5930         PR debug/7241
5931         * dwarf2out.c (base_type_die): Compare char_type_node with
5932         TYPE_MAIN_VARIANT (type), not type.
5933
5934 2005-09-01  Richard Guenther  <rguenther@suse.de>
5935
5936         PR tree-optimization/15366
5937         * common.opt: Add -finline-functions-called-once.
5938         Put -fearly-inlining in alphabetically ordered place.
5939         * doc/invoke.texi: Document new option.
5940         * ipa-inline.c (cgraph_decide_inlining): Honour
5941         flag_inline_functions_called_once.
5942
5943 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5944
5945         PR rtl-optimization/23478
5946         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5947         (alloc_qty): Initialize it.
5948         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5949         (combine_regs): Combine also n_throwing_calls_crossed fields.
5950         (find_free_reg): Don't attempt to caller-save pseudos crossing
5951         calls that might throw.
5952         * global.c (struct allocno): Add throwing_calls_crossed field.
5953         (global_alloc): Revert 2005-08-22 change.  Initialize
5954         throwing_calls_crossed.
5955         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5956         might throw.
5957
5958 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5959
5960         PR target/23649
5961         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5962         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5963         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5964         (and64_2_operand): Tweak to use predicate.
5965         (and_operand): Adjust for mask_operand changes.
5966         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5967         (print_operand): Likewise.
5968         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5969         (mask64_1or2_operand): Delete.
5970         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5971         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5972         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5973         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5974         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5975         (rotldi3_internal4): Likewise.
5976         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5977         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5978         (ashldi3_internal7): Likewise.
5979         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5980         (ashldi3_internal, ashldi3_internal9 split): Likewise.
5981         (anddi3 split): Don't match mask64_operand.
5982         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
5983         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
5984         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5985         't' splitter predicate.
5986         (movdi_internal64 + 2): Revert 2005-06-11 change.
5987
5988 2005-08-31  DJ Delorie  <dj@redhat.com>
5989
5990         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5991         (m32c_asm_integer): Add support for 32 bit pointers.
5992
5993 2005-08-31  Richard Henderson  <rth@redhat.com>
5994
5995         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5996         component-like references for setting MEM_NOTRAP_P.
5997
5998         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5999         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6000
6001 2005-08-31  Richard Henderson  <rth@redhat.com>
6002
6003         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6004         into a pseudo before applying gen_lowpart.
6005
6006 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6007
6008         * doc/install.texi (Specific): Update cctools version required
6009         for full functionality.
6010         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6011         linkers as -macosx_version_min.
6012
6013 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6014
6015         PR target/21255
6016         * sh.c (print_operand, %R and %S): Add handling of floating point
6017         registers, memory, constants and invalid operands.
6018
6019 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6020
6021         * ipa-pure-const.c: Change dump name.
6022
6023 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6024
6025         PR target/23570
6026         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6027         to "reg_or_0_operand".
6028         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6029
6030 2005-08-31  Dale Johannesen  <dalej@apple.com>
6031
6032         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6033         loops that count down.
6034
6035 2005-08-31  Richard Henderson  <rth@redhat.com>
6036
6037         PR rtl-opt/23601
6038         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6039         (fixup_eh_region_note): New.
6040         (reload_as_needed): Call it.
6041         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6042         don't call find_many_sub_basic_blocks; call verify_flow_info.
6043         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6044         (keep_stack_depressed): Likewise.
6045         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6046
6047 2005-08-31  Richard Henderson  <rth@redhat.com>
6048
6049         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6050         fp return matching.
6051
6052 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6053
6054         * expr.c (expand_expr_real_1): Compare size of address
6055         mode to target's address mode size in deciding expansion of
6056         the constant address.
6057
6058 2005-08-31  Richard Guenther  <rguenther@suse.de>
6059
6060         PR middle-end/23477
6061         * expr.c (all_zeros_p): New function.
6062         (expand_expr_real_1): Handle the case of an all-zero
6063         non-addressable constructor separately.
6064
6065 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6066
6067         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6068         arguments, adjust all callers.
6069         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6070
6071 2005-08-30  Richard Henderson  <rth@redhat.com>
6072
6073         PR target/23630
6074         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6075         whenever the mode sizes match.
6076
6077 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6078
6079         * calls.c (load_register_parameters): Fix comment typo.
6080         * expr.c (emit_push_insn): Comment formatting.
6081
6082 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6083
6084         * config/i386/x-cygwin (host-cygwin): Change dependency from
6085         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6086
6087 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6088
6089         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6090         parts of 'vals'.
6091
6092 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6093
6094         PR middle-end/23408
6095         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6096         call to ggc_collect.
6097
6098 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6099
6100         PR bootstrap/21268
6101         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6102         beginning.  Remove $(INCLUDES) from all the rules, if following
6103         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6104
6105 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6106
6107         PR middle-end/23484
6108         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6109         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6110         not constant, but maxlen is, don't set len to maxlen, rather
6111         set maxlen to len if len is a constant.
6112
6113 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6114
6115         PR tree-optimization/23475
6116         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6117         and counts.
6118
6119 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6120
6121         Fix PR middle-end/22455
6122
6123         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6124         Checksum only the parts of the tree that exist for the tree code.
6125
6126 2005-08-28  Dale Johannesen  <dalej@apple.com>
6127
6128         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6129
6130 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6131
6132         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6133
6134 2005-08-28  Richard Henderson  <rth@redhat.com>
6135
6136         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6137         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6138         of char_type_node.
6139
6140 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6141
6142         PR ada/23593
6143         * builtins.c (get_memory_rtx): Don't strip nops
6144         in between COMPONENT_REFs.
6145
6146 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6147
6148         PR middle-end/23463
6149         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6150         types.
6151         (gimplify_modify_expr): Check for zero sized types and gimplify the
6152         rhs and lhs as statements.
6153
6154 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6155
6156         PR libgcj/23508
6157         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6158         state for return address column of signal frames.
6159
6160 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6161
6162         PR target/23539
6163         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6164         bytes >= 2 not bytes == 2.
6165         (expand_block_move): Same.
6166
6167 2005-08-27  Richard Guenther  <rguenther@suse.de>
6168
6169         PR target/23575
6170         * config/i386/sse.md (sse2_movsd): Add missing closing
6171         braces.
6172
6173 2005-08-27  Paul Brook  <paul@codesourcery.com>
6174
6175         * genrecog.c (enum decision_type): Add DT_num_insns.
6176         (struct decision_test): Add u.num_insns.
6177         (add_to_sequence): Add DT_num_insns test.
6178         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6179         (write_cond, debug_decision_2): Ditto.
6180         (change_state): Assume peep2_next_insn never fails.
6181         Remove "afterward" argument.
6182         (write afterward, write_tree): Update to match.
6183         * recog.c (peep2_current_count): New variable.
6184         (peep2_next_insn): Check it.
6185         (peephole2_optimize): Set peep2_current_count.
6186         * recog.h (peep2_current_count): Declare.
6187
6188 2005-08-26  Josh Conner  <jconner@apple.com>
6189
6190         PR middle-end/23584
6191         * ipa-pure-const.c (check_tree): Check for volatile-ness
6192         when considering a dereference.
6193
6194 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6195
6196         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6197
6198 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6199
6200         PR rtl-optimization/23561
6201         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6202         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6203         at most LEN bytes long memory fits into the field.
6204         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6205         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6206         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6207
6208 2005-08-26  Richard Henderson  <rth@redhat.com>
6209
6210         PR rtl-opt/23560
6211         * loop.c (biased_biv_may_wrap_p): New.
6212         (maybe_eliminate_biv_1): Use it to suppress non-equality
6213         comparison transformations.  Delete disabled code.
6214
6215 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6216
6217         * combine.c (make_extraction): Avoid reference outside object.
6218
6219 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6220
6221         * stor-layout.c (finalize_type_size): Restore behaviour for
6222         non-aggregate types to the status quo ante of the patch for
6223         pr 23467.  Document why it matters.
6224
6225 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6226
6227         PR c/23506
6228         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6229         array by one element, initialize the BT_LAST element with NULL.
6230
6231 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6232
6233         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6234         optimizing for size.
6235         (plus_eqsi): Same.
6236         (compare_plus_eqsi): Same.
6237         (plus_eqsi_compare): Same.
6238         (neg_eq0<mode>): Same.
6239         (neg_eq<mode>): Same.
6240
6241         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6242         PROCESSOR_POWER4.
6243
6244 2005-08-26  Nick Clifton  <nickc@redhat.com>
6245
6246         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6247         TARGET_EP is not defined.
6248         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6249         TARGET_EP is enabled.
6250         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6251         * config/v850/v850.md (save_all_interrupt): Only use the EP
6252         register if TARGET_EP is defined.
6253         (restore_all_interrupt): Likewise.
6254         * config/v850/lib1funcs.asm: Update functions so that the EP
6255         register is only used if __EP__ is defined.
6256
6257 2005-08-26  David Ung  <davidu@mips.com>
6258
6259         * config/mips/mips.c (mips_expand_prologue): Handle case when
6260         generating for MIPS16 and the outgoing argument area is more than
6261         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6262         add instruction.
6263
6264 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6265
6266         * config/crx/crx.md: Make doloop_end pattern usage controllable
6267         via mloop-nesting=<max-nesting> command line switch. Make sure
6268         the combiner cannot use doloop_end_<mode> in an illegal way.
6269         * config/crx/crx.c: Use regs up to r6 for argument passing.
6270         Refine crx_address_cost (non cst4 displacements are expensive).
6271         * config/crx/crx.opt: Add switch for mloop-nesting=.
6272
6273 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6274
6275         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6276         (UNSPEC_MVST): New constant.
6277
6278 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6279
6280         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6281         Reject operands containing eliminable registers.
6282         * testsuite/gcc.dg/20050825-1.c: New testcase.
6283
6284 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6285             Jan Hubicka  <jh@suse.cz>
6286
6287         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6288
6289 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6290
6291         PR tree-optimization/23546
6292         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6293         and REAL_CST nodes.
6294
6295 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6296
6297         * params.def (PARAM_MIN_SPEC_PROB): New.
6298         * sched-rgn.c (MIN_PROBABILITY): Delete.
6299         (compute_trg_info): Convert to PARAM_VALUE.
6300         * doc/invoke.texi (param): Document min-spec-prob.
6301
6302 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6303
6304         * config/darwin.h: define __PIC__
6305         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6306         TARGET_OS_CPP_BUILTINS macro.
6307
6308 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6309
6310         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6311         yesterday.
6312
6313 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6314
6315         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6316         to duplicate_block.
6317         * cfghooks.c (duplicate_block): Added position where to place
6318         new block as argument.
6319         * cfghooks.h (duplicate_block): Declaration changed.
6320         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6321         duplicate_block.
6322         * cfglayout.h (copy_bbs): Declaration changed.
6323         * cfgloop.h (loop_version): Declaration changed.
6324         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6325         position to copy_bbs.
6326         (loop_version): Pass position to duplicate_loop_to_header_edge.
6327         Add place_after argument and position new blocks according to
6328         it.
6329         * modulo-sched.c (sms_schedule): Pass place_after argument
6330         to loop_version.
6331         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6332         * tree-cfg.c (split_edge_bb_loc): New function.
6333         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6334         to determine position of new blocks.
6335         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6336         to loop_version.
6337         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6338         argument to duplicate_block.
6339         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6340         Pass position to copy_bbs.
6341
6342 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6343
6344         * fold-const.c (ptr_difference_const): Use
6345         cst_and_fits_in_hwi instead of host_integerp.
6346
6347 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6348
6349         * config/darwin.c (gen_pic_offset): New.
6350         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6351         Use it.
6352
6353 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6354
6355         PR tree-optimization/23486
6356         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6357
6358 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6359
6360         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6361         remove use_collect2.
6362         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6363
6364         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6365         configuration files to override the default value.
6366
6367         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6368         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6369         * config/vx-common.h:  New file, split out from...
6370         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6371         * config/vxworksae.h:  New file, for VxWorks AE.
6372         * config/vxworks.opt:  New file.
6373         * config/vxlib.c:  Update for VxWorks 6.
6374
6375         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6376         other MULTILIB_* variables appropriately.
6377         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6378         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6379         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6380         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6381
6382 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6383
6384         PR target/20799
6385         * config/darwin.c (machopic_select_section): Remove the hack to
6386         mark "::operator new" and "::operator delete" for coalescing
6387         even though they are not weak.
6388
6389 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6390
6391         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6392         * configure: Regenerate.
6393
6394 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6395
6396         PR middle-end/23517
6397         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6398         between vectors.
6399         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6400         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6401         Likewise.
6402
6403 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6404
6405         * config/rs6000/predicates.md (equality_operator): New.
6406         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6407         comparison with a large constant.
6408
6409 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6410
6411         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6412
6413 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6414
6415         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6416         registers is even, and we have a hardware double precision fp,
6417         align the buffer.
6418         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6419         size of current argument when checking if argument was passed in
6420         registers.
6421
6422         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6423
6424         PR middle-end/23467
6425         * stor-layout.c (finalize_type_size): Dont override
6426         existing alignment with a smaller alignment from the mode.
6427
6428 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6429
6430         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6431         * lambda.h (lambda_vector_lexico_pos): ... here.
6432         * tree-data-ref.c (build_classic_dist_vector): Return false when
6433         the distance vector is lexicographically negative.
6434
6435 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6436
6437         PR tree-optimization/23511
6438         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6439         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6440
6441 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6442
6443         PR tree-optimization/22043
6444         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6445         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6446         If ALLOW_FLEXARR, handle types ending with flexible array member.
6447         Pass false as second argument to recursive count_type_elements calls.
6448         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6449         argument to count_type_elements call.
6450         * tree-sra.c (decide_block_copy): Likewise.
6451         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6452         for a constant-sized object, set cleared as well.  Pass true as
6453         second argument to count_type_elements call.
6454
6455 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6456
6457         PR target/21571
6458         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6459         from legitimate_small_data_p, and make global.  Update use.
6460         Remove forward declaration.
6461         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6462         Declare.
6463         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6464
6465 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6466
6467         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6468         of scratch intermediates.
6469         (eq<mode>_compare): Same.
6470         (neg_eq0<mode>): New.
6471         (neg_eq<mode>): Convert to define_insn_and_split.
6472
6473 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6474
6475         PR target/23070
6476         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6477         stdarg functions, set/clear the fp marker even when no variable
6478         args are passed.
6479         * config/rs6000/sysv4.opt (mprototype): Describe.
6480
6481 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6482
6483         PR rtl-optimization/23478
6484         * regs.h (reg_info): Add throw_calls_crossed.
6485         (REG_N_THROWING_CALLS_CROSSED): Define.
6486         * flow.c (allocate_reg_life_data): Initialize
6487         REG_N_THROWING_CALLS_CROSSED.
6488         (propagate_one_insn, attempt_auto_inc): Update
6489         REG_N_THROWING_CALLS_CROSSED.
6490         * global.c (global_alloc): Don't allocate pseudos across
6491         calls that may throw.
6492
6493 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6494
6495         PR c/18715
6496         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6497         value is inbetween the range if we did not find an exact match.
6498
6499 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6500
6501         * doc/invoke.texi (Option Summary): Add ms1 options.
6502         * doc/extend.texi: Document interrupt handler attribute for ms1.
6503         * doc/md.texi: Document ms1 constraints.
6504         * config.gcc: Add ms1-*-elf.
6505         * config/ms1/ms1.h: New.
6506         * config/ms1/ms1.c: New.
6507         * config/ms1/ms1.md: New.
6508         * config/ms1/ms1-protos.h: New.
6509         * config/ms1/ABI.txt: New.
6510         * config/ms1/crti.asm: New.
6511         * config/ms1/crtn.asm: New.
6512         * config/ms1/lib2extra-funcs.c: New.
6513         * config/ms1/t-ms1: New.
6514         * config/ms1/ms1.opt: New.
6515
6516 2005-08-22 Ira Rosen <irar@il.ibm.com>
6517
6518         * config/rs6000/altivec.md (xorv4sf3): New.
6519         (negv4sf2, neg<mode>2): Likewise.
6520
6521 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6522
6523         PR target/23485
6524         * config/ia64/ia64.md (divsi3): Check divide by zero.
6525         (udivsi3): Likewise.
6526         (divdi3): Likewise.
6527         (udivdi3): Likewise.
6528
6529 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6530
6531         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6532         up to elem_bitsize bits, not max_bitsize.
6533
6534 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6535
6536         PR tree-optimization/23433
6537         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6538         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6539
6540 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6541
6542         PR tree-optimization/23434
6543         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6544         the iteration bound is not an INTEGER_CST.
6545
6546 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6547
6548         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6549         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6550         NULL if need_epilog_adjust is false.
6551         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6552         Case 3 always peels first itration, not just for PLUS case, and no need
6553         to use scalar_initial_def here. Create an epilog adjustment only if
6554         scalar_initial_def is not NULL.
6555
6556         (vectorizable_reduction): Remove assert.
6557
6558 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6559
6560         PR target/23485
6561         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6562         (__moddi3): Likewise.
6563         (__udivdi3): Likewise.
6564         (__umoddi3): Likewise.
6565         (__divsi3): Likewise.
6566         (__modsi3): Likewise.
6567         (__udivsi3): Likewise.
6568         (__umodsi3): Likewise.
6569
6570 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6571
6572         * tree-pass.h (TDF_GRAPH): Define.
6573         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6574         * passes.c (finish_optimization_passes): Only call
6575         finish_graph_dump_file if TDF_GRAPH is set.
6576         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6577         NULL.  Set TDF_GRAPH bit.
6578         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6579
6580 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6581
6582         * arm.h (arm_stack_offsets): Add locals_base field.
6583         * arm.c (arm_get_frame_offsets): Compute it.
6584         (thumb_compute_initial_elimination offset): Make the Thumb frame
6585         pointer point to the base of the local variables.
6586         (thumb_expand_prologue): Update accordingly.
6587         (thumb_expand_epilogue): Likewise.
6588
6589         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6590         mode of clobbered scratch to DImode.  Handle a case that's known to
6591         need this.
6592
6593 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6594
6595         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6596         (gt0<mode>_compare): Delete.
6597         (neg_gt0<mode>): Delete.
6598
6599 2005-08-19  Eric Christopher  <echristo@apple.com>
6600
6601         * optabs.h: Change CTI_ to COI_.
6602         * optabs.c: Ditto.
6603
6604 2005-08-19  James E Wilson  <wilson@specifix.com>
6605
6606         * builtins.c (expand_builtin_return_addr): Set
6607         current_function_accesses_prior_frames when count != 0.  Use
6608         frame_pointer_rtx when count == 0.
6609         * function.h (struct function): Add accesses_prior_frames field.
6610         (current_function_accesses_prior_frames): Define.
6611         * reload1.c (init_elim_table): Check
6612         current_function_accesses_prior_frames.
6613         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6614
6615 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6616
6617         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6618         indicator.  Return true if the flowgraph changed during
6619         cleanup.
6620
6621 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6622
6623         PR 23476
6624         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6625         conditional expression before testing its value.
6626
6627 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6628
6629         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6630
6631 2005-08-19  Devang Patel  <dpatel@apple.com>
6632
6633         PR tree-optimization/23048
6634         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6635         third parameter. Check whether latch is dominated by exit
6636         block or not.
6637         (if_convertible_loop_p): Supply exit block itself to
6638         if_convertible_bb_p.
6639
6640 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6641
6642         PR target/23473
6643         * arm.md (arm_load_pic_register): Change argument to the mask of
6644         saved registers.  Call thumb_find_work_register if we need a
6645         scratch register on Thumb.
6646         (arm_expand_prologue): Pass empty register set to
6647         arm_load_pic_register.
6648         (thumb_expand_prologue): Pass live_regs_mask directly to
6649         arm_load_pic_register.
6650         * arm-protos.h (arm_load_pic_register): Update prototype.
6651
6652 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6653
6654         * sh.c (find_sole_member): New function.
6655         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6656         if the record's alignment is larger than the size of its only member.
6657
6658 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6659
6660         PR target/23436
6661         * arm.c (thumb_legitimize_reload_address): New function.
6662         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6663         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6664
6665 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6666
6667         * config/crx/crx.c: Implement crx_decompose_address. Reject
6668         symbolic displacements since CRX register relative adressing
6669         mode can't handle unsigned 32-bit values as displacements.
6670         * config/crx/crx.h: Simplify definitions, remove redundant
6671         parenthesis and obsolete macros.
6672         * config/crx/crx.opt: Add new switch for debugging addresses.
6673         * config/crx/crx-protos.h: Add new declarations for above.
6674
6675 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6676
6677         PR middle-end/20624
6678         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6679         looking past it.
6680
6681 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6682
6683         * collect2.c (dup2): Delete.
6684         * configure.ac: Don't check for dup2.
6685
6686         * config.in, configure: Regenerate.
6687
6688 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6689
6690         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6691         record with the type of its only member.
6692
6693 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6694
6695         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6696         define_insn_and_split.
6697         (plus_ltu<mode>_compare): Same.
6698         (gtu<mode>_compare): Same.
6699         (plus_gtu<mode>_compare): Same.
6700
6701 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6702
6703         PR tree-optimization/22228
6704         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6705         todo_flags_start.
6706         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6707         are recorded in vect_vnames_to_rename for renaming.
6708         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6709         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6710         in vect_vnames_to_rename.
6711         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6712         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6713
6714 2005-08-18  Jan Hubicka  <jh@suse.cz>
6715
6716         PR c++/22034
6717         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6718         info only for local statics, not for member variables.
6719
6720 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6721
6722         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6723
6724 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6725
6726         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6727
6728 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6729
6730         PR middle-end/16045
6731         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6732
6733 2005-08-17  James E Wilson  <wilson@specifix.com>
6734
6735         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6736         array size check.
6737
6738 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6739
6740         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6741         (leu<mode>_compare): Same.
6742         (plus_leu<mode>): Same.
6743         (neg_leu<mode>): Same.
6744         (and_neg_leu<mode): Same.
6745         (ltu<mode>_compare): Same.
6746         (plus_ltu<mode>): Same.
6747         (geu<mode>): Same.
6748         (geu<mode>_compare): Same.
6749         (plus_geu<mode>): Same.
6750         (neg_geu<mode>): Same.
6751         (and_neg_geu<mode>): Same.
6752         (plus_gt<mode>): Same.
6753         (gtu<mode>_compare): Same.
6754         (plus_gtu<mode>): Same.
6755
6756 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6757
6758         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6759         Move call_table_data to end.  Delete spurious .text.
6760         (callt_save_all_interrupt): Fix comment typo.
6761
6762 2005-08-17  James E Wilson  <wilson@specifix.com>
6763             Kevin Winchester  <winchester@amirix.com>
6764
6765         PR target/21684
6766         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6767
6768 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6769
6770         PR target/23268
6771         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6772         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6773
6774 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6775
6776         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6777         record with the type of its only member if the modes don't match.
6778
6779         * varasm.c (decode_reg_name): Skip empty additional register names.
6780
6781 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6782
6783         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6784         lsm_tmp_name_length): New.
6785         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6786         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6787
6788 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6789             Andreas Krebbel  <krebbel1@de.ibm.com>
6790
6791         * config.gcc: Added z9-109 switch.
6792         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6793         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6794         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6795         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6796         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6797         for "z9_109" cpu attribute.
6798         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6799         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6800         (s390_handle_arch_option): Added z9-109 switch.
6801         (override_options): Set respective cost function for z9-109.
6802         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6803         (legitimate_reload_constant_p): Accept extended immediates.
6804         (print_operand): Three new output modifiers added: k, m and o.
6805         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6806         (s390_output_mi_thunk): Use extended immediate when possible.
6807         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6808         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6809         (CONSTRAINT_LEN): Added length of O constraint.
6810         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6811         * config/s390/s390.md ("cpu"): New value z9_109 added.
6812         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6813         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6814         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6815         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6816         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6817         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6818         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6819         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6820         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6821         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6822         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6823         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6824         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6825         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6826         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6827         immediates.
6828         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6829         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6830         insns for TARGET_EXTIMM.
6831
6832 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6833
6834         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6835
6836 2005-08-17  Nick Clifton  <nickc@redhat.com>
6837
6838         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6839         Call default_encode_section_info.
6840
6841 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6842
6843         PR tree-optimization/21574
6844         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6845         constant, return CONSTANT.
6846         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6847         (ccp_fold, visit_assignment): Likewise.
6848         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6849
6850 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6851
6852         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6853         fold_buildN instead of buildN then fold_initializer or fold.
6854         (build_unary_op): Likewise.
6855         (build_binary_op): Likewise.
6856         * fold-const.c (fold_initializer): Remove.
6857         (fold_build1_initializer): New function.
6858         (fold_build2_initializer): New function.
6859         (fold_build3_initializer): New function.
6860         * tree.h (fold_initializer): Remove.
6861         (fold_build1_initializer): New function.
6862         (fold_build2_initializer): New function.
6863         (fold_build3_initializer): New function.
6864
6865 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6866
6867         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6868         (try_move_mult_to_index): Call fold_build2 instead of build2.
6869         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6870         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6871         fold_binary_to_constant.
6872         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6873         fold (build.
6874         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6875         check if A == gcd (A, B).  Remove TYPE argument.
6876         (analyze_offset) Use fold_build2 instead of fold (build.
6877         (create_data_ref): Likewise.
6878         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6879         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6880         then fold.
6881
6882 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6883
6884         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6885         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6886
6887 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6888
6889         PR tree-opt/23402
6890         * gimplify.c (zero_sized_type): New function.
6891         (gimplify_modify_expr_rhs): If we have a zero sized type,
6892         replace the statement with an empty statement.
6893
6894 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6895
6896         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6897         fxsave.
6898
6899 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6900
6901         * doc/tm.texi (Label Output): Correct typo.
6902
6903 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6904
6905         PR target/23376
6906         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6907         force_operand will work later on using have_insn_for.
6908
6909 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6910
6911         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6912
6913 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6914
6915         PR c++/23337
6916         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6917         vector type, don't try to construct it element by element.  Add an
6918         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6919
6920 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6921
6922         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6923
6924 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6925
6926         * doc/invoke.texi (Precompiled Headers): Document some more options
6927         which are known to be safe.
6928
6929 2005-08-16  James E Wilson  <wilson@specifix.com>
6930
6931         PR tree-optimization/21105
6932         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6933         TREE_OVERFLOW check.
6934
6935 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6936
6937         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6938         (neg_ltu<mode>): Same.
6939         (gtu<mode>): Same.
6940         (neg_gtu<mode>): Same.
6941
6942 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6943
6944         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6945         (fold_builtin_isdigit): Use fold_buildN.
6946         (build_function_call_expr): Likewise.
6947         * c-typeck.c (c_finish_loop): Likewise.
6948
6949 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6950             Richard Shann <rshann@superh.com>
6951
6952         PR middle-end/20396:
6953         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6954
6955 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6956
6957         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6958
6959 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6960
6961         PR target/23355
6962         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6963         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6964         must be saved.
6965
6966 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6967
6968         PR middle-end/23369
6969         * fold-const.c (build_range_check): Disable optimization for function
6970         pointer expressions on targets that require function pointer
6971         canonicalization.
6972
6973 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
6974
6975         * simplify-rtx.c (simplify_const_relational_operation): When
6976         extracting arguments of a COMPARE, recompute the mode as well.
6977
6978 2005-08-15  Ian Lance Taylor  <ian@airs.com>
6979
6980         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6981
6982 2005-08-15  DJ Delorie  <dj@redhat.com>
6983
6984         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6985         the stack.
6986         (movsi_splittable): Allow, but split, moves to the stack.
6987         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6988         stack.
6989
6990 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6991
6992         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6993         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6994         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6995
6996         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6997         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6998         Delete HOST_PTR_PRINTF.
6999
7000         * configure, config.in: Regenerate.
7001
7002 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7003
7004         * config/rs6000/rs6000.md (QHSI): New mode macro.
7005         (wd): Extend mode attr for QImode and HImode
7006         (dbits): New mode attr.
7007         (zero_extend<mode>di2): Convert to mode macro.
7008
7009 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7010
7011         PR target/21841
7012         * doc/invoke.texi (-mgnu-ld): Update description.
7013         (-mhp-ld): Ditto.
7014
7015 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7016
7017         PR 23391
7018         * Makefile.in (tree-chrec.o): Depends on real.h.
7019         * tree-chrec.c: Include real.h.
7020         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7021         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7022         * tree-scalar-evolution.c (add_to_evolution_1,
7023         interpret_rhs_modify_expr): Ditto.
7024
7025 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7026
7027         PR 23386
7028         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7029         step is negative compute the estimation from init downwards to zero.
7030
7031 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7032
7033         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7034
7035 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7036
7037         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7038         constraint.
7039         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7040         Accept double-word constants that can be split.
7041         * config/s390/s390.md ("movti"): Use 'P' constraint.
7042         ("*movdi_31", "*movdf_31"): Likewise.
7043
7044 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7045
7046         Fix PR tree-optimization/22615
7047
7048         * tree-ssa-structalias.c (solution_set_add): Handle
7049         first_vi_for_offset returning NULL.
7050         (do_da_constraint): Ditto.
7051         (do_sd_constraint): Ditto.
7052         (do_ds_constraint): Ditto
7053         (find_func_aliases): Ditto.
7054         (build_constraint_graph): RHS is allowed be ANYTHING.
7055         (first_vi_for_offset): Return NULL if we couldn't find anything at
7056         the offset.
7057
7058 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7059
7060         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7061         over memory as first operand.
7062
7063 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7064
7065         PR target/23360
7066         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7067         available for setting it.
7068
7069 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7070
7071         PR tree-optimization/23320
7072         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7073         data-refs' types instead of base object nullness. Add check for
7074         pointer type data-refs before first location comparison. Remove
7075         assert.
7076
7077 2005-08-14  Andreas Schwab  <schwab@suse.de>
7078
7079         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7080
7081 2005-08-13  James E Wilson  <wilson@specifix.com>
7082
7083         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7084         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7085         -fstack-protector-all, --param ssp-buffer-size): Document.
7086         (-Wvariadic-macros): Alphabetize.
7087         (-fsched-stalled-insns-dep): Add missing 'f'.
7088
7089         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7090         macros.
7091
7092 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7093
7094         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7095         or indirect address operand.
7096         (EXTRA_ADDRESS_CONSTRAINT): New.
7097         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7098
7099 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7100
7101         PR tree-optimization/22236
7102         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7103         successors and predecessors.
7104         * tree-chrec.c (chrec_convert): Before converting, check that
7105         sequences don't wrap.
7106         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7107         (analyze_array): Extern.
7108         (find_data_references_in_loop): Remove call to
7109         compute_estimated_nb_iterations.
7110         * tree-data-ref.h (analyze_array): Declared.
7111         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7112         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7113         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7114         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7115         condition.
7116         * tree-ssa-loop-ivcanon.c: Fix documentation.
7117         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7118         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7119         (infer_loop_bounds_from_undefined): New.
7120         (estimate_numbers_of_iterations_loop): Use
7121         infer_loop_bounds_from_undefined.
7122         (used_in_pointer_arithmetic_p): New.
7123         (scev_probably_wraps_p): Pass an extra parameter.  Call
7124         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7125         (convert_step): Fix documentation.
7126         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7127         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7128         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7129         scev_probably_wraps_p.
7130
7131 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7132
7133         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7134         (s390_register_info): Ignore clobbered_regs information for fixed
7135         registers, and only fixed registers.
7136         (s390_init_frame_layout): Remove redundant call.
7137
7138 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7139
7140         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7141         description of -Wold-style-casts.
7142
7143 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7144             Jakub Jelinek  <jakub@redhat.com>
7145
7146         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7147         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7148         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7149         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7150         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7151         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7152         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7153         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7154         ("stack_protect_set", "stack_protect_test"): New expanders.
7155         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7156         "stack_protect_testdi"): New insn definitions.
7157
7158 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7159
7160         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7161
7162 2005-08-12  Paul Brook  <paul@codesourcery.com>
7163
7164         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7165
7166 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7167
7168         * config/s390/predicates.md (setmem_operand): New predicate.
7169         (shift_count_operand): Accept ANDs with special constants as
7170         operand.
7171         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7172         with special constants.
7173         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7174         shift_count_operand with setmem_operand.
7175
7176 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7177
7178         * config/s390/s390.c (s390_extract_part, s390_single_part):
7179         Type cast added.
7180         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7181         (s390_output_mi_thunk): Don't use lg on 31 bit.
7182         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7183         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7184
7185 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7186
7187         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7188         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7189         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7190         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7191         with one of the new macros.
7192
7193 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7194
7195         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7196         Don't set save_return_addr_p.
7197         (s390_register_info): Make clobbered_regs not depending on
7198         save_return_addr_p.
7199
7200 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7201
7202         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7203         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7204
7205 2005-08-11  James E. Wilson  <wilson@specifix.com>
7206
7207         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7208
7209 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7210
7211         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7212         locations gathered by var-tracking in single entry loc_list
7213         over loc_descriptor_from_tree.
7214
7215         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7216         pass it down to loc_descriptor.
7217         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7218         (containing_function_has_frame_base): Move earlier in the file.
7219         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7220         instead of always assuming fbreg can't be used.
7221
7222 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7223
7224         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7225         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7226         Accept address wrapped in AND for Altivec.
7227         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7228         Strip AND wrapping offset address for Altivec.
7229
7230 2005-08-11  Richard Henderson  <rth@redhat.com>
7231
7232         PR middle-end/23312
7233         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7234         before using TYPE_IS_SIZETYPE.
7235
7236 2005-08-11  Richard Henderson  <rth@redhat.com>
7237
7238         PR target/22225
7239         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7240         insn types not present on ev4.
7241         (alphaev5_insn_pipe): Similarly.
7242
7243 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7244
7245         PR target/23250
7246         * arm.c (arm_override_options): If the user has selected callee-super-
7247         interworking, then enable normal interworking.
7248
7249 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7250
7251         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7252         redefinition.
7253
7254 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7255
7256         * doc/rtl.texi: Fix two typos.
7257
7258 2005-08-11  Richard Guenther  <rguenther@suse.de>
7259
7260         PR target/23289
7261         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7262         cases where we call to/from functions returning void.
7263
7264 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7265
7266         PR c++/23225
7267         * tree.c (build_pointer_type_for_mode): Robustify.
7268
7269 2005-08-10  James E Wilson  <wilson@specifix.com>
7270
7271         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7272         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7273
7274         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7275         "cum->".
7276
7277 2005-08-10  Eric Christopher  <echristo@apple.com>
7278
7279         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7280         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7281         V2DFmode.
7282
7283 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7284
7285         PR target/21887
7286         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7287         for the high part when generating dynamic-no-pic code.
7288
7289 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7290
7291         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7292         (x86_64-*-linux*): Likewise.
7293
7294         * config/i386/crtfastmath.c: New file.
7295         * config/i386/t-crtfm: Likewise.
7296
7297         * config/i386/linux.h (ENDFILE_SPEC): New.
7298         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7299
7300         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7301         crtfastmath.o.
7302
7303 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7304
7305         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7306         (vec_shl, vec_shr): Document new operations.
7307         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7308
7309 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7310
7311         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7312         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7313         change predicate to indexed_or_indirect_address.
7314
7315 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7316
7317         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7318         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7319         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7320         and __aeabi_uwrite8.
7321         * config/arm/unaligned-funcs.c: New file.
7322         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7323
7324 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7325
7326         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7327         Add dump.
7328         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7329         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7330         Add dump.
7331         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7332         * final.c (pass_shorten_branches): Add dump.
7333         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7334         (pass_life): Rename dump.
7335         (rest_of_handle_flow2): Remove initial verify_flow_info.
7336         * function.c (pass_instantiate_virtual_regs): Add dump.
7337         * integrate.c (pass_initial_value_sets): Add dump.
7338         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7339         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7340         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7341         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7342         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7343         gate_rtl_unrool_and_peel_loops): New.
7344         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7345         rtl_doloop): Do not look at flags.
7346         * mode-switching.c (pass_mode_switching): Add dump.
7347         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7348         pass_split_before_regstack): Add dump.
7349         * regmove.c (pass_stack_adjustments): Add dump.
7350         * tree-optimize.c (pass_fixup_cfg): Add dump.
7351
7352 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7353
7354         PR 23309
7355         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7356         deciding which instruction sequence to use.
7357
7358 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7359
7360         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7361         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7362
7363 2005-08-09  Richard Guenther  <rguenther@suse.de>
7364
7365         * c-common.c (builtin_function_2): Remove.
7366         (def_builtin_1): New function.
7367         (c_common_nodes_and_builtins): Use def_builtin_1 to
7368         build builtin functions.
7369
7370 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7371
7372         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7373         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7374         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7375         Visual DSP.
7376
7377 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7378
7379         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7380         fold_binary instead of fold_build2 since we don't care about the
7381         resulting tree.
7382         (loop_niter_by_eval): Likewise.
7383         (compare_trees): Likewise.
7384         (proved_non_wrapping_p): Likewise.
7385
7386 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7387
7388         PR c/23161
7389         PR c/23165
7390         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7391         if the if is really empty.
7392
7393 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7394
7395         PR tree-optimization/23234
7396         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7397         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7398         argument of the new enum.
7399         (execute_cse_reciprocals): Add reciprocals for function arguments
7400         on the unique successor edge of the entry block.  Update other calls
7401         to execute_cse_reciprocals_1.
7402
7403 2005-08-08  Richard Henderson  <rth@redhat.com>
7404
7405         PR 22439
7406         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7407
7408 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7409
7410         * expr.c (write_complex_part): Return after handling MEM.
7411
7412 2005-08-08  Josh Conner  <jconner@apple.com>
7413
7414         PR rtl-optimization/23241
7415         * combine.c (simplify_comparison): Fix error in determining
7416         whether to lift a subreg from comparison.
7417
7418 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7419
7420         PR target/18506
7421         * config/rs6000/altivec.md (vec_init<mode>): New.
7422         (vec_set<mode>): New.
7423         (vec_extract<mode>): New.
7424         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7425         (rs6000_expand_vector_set): New.
7426         (rs6000_expand_vector_extract): New.
7427         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7428         for Altivec modes before reload.
7429         (altivec_expand_vec_init_builtin): New.
7430         (get_element_number): New.
7431         (altivec_expand_vec_set_builtin): New.
7432         (altivec_expand_vec_ext_builtin): New.
7433         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7434         builtins.
7435         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7436         builtins.
7437         * config/rs6000/rs6000.h (rs6000_builtins): Add
7438         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7439         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7440         * config/rs6000/rs6000-protos.h: Declare new functions.
7441
7442 2005-08-08  Jan Hubicka  <jh@suse.cz>
7443
7444         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7445         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7446         * i386.md (movdi*): Use pic_32bit_operand.
7447         * predicates.md (pic_32bit_operand): New.
7448
7449 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7450
7451         PR c++/21166
7452         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7453
7454 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7455
7456         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7457         (test_for_singularity): Use fold_build2.
7458
7459 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7460
7461         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7462
7463 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7464
7465         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7466         (COMMON_ASM_OP) Define.
7467         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7468         (ix86_encode_section_info): Likewise.
7469         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7470         SUBTARGET_ENCODE_SECTION_INFO.
7471
7472 2005-08-06  Richard Henderson  <rth@redhat.com>
7473
7474         PR 21894
7475         * tree-nested.c (convert_local_reference): Save and restore val_only
7476         around component_ref and friends.  Clear walk_subtrees by default.
7477
7478 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7479
7480         PR 21366
7481         * gcc.c (process_command): Check the argument to -b has a dash.
7482         * doc/invoke.texi: Update -b and -V docs.
7483
7484 2005-08-06  James E Wilson  <wilson@specifix.com>
7485
7486         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7487
7488 2005-08-06  Michael Matz  <matz@suse.de>
7489
7490         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7491         member only if only one insn is associated with the value.
7492
7493 2005-08-06  Nick Clifton  <nickc@redhat.com>
7494
7495         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7496         New define.
7497         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7498         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7499         Check symbol flags instead of symbol name mangling.
7500         (xstormy16_asm_output_aligned_common): Likewise.  Also
7501         simplify code since the bss100_section cass is the only case
7502         where the below100 code will be triggered.
7503         (xstormy16_encode_section_info): Encode below100 attribute
7504         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7505         the name.
7506         (xstormy16_strip_name_encoding): Delete - this function is no
7507         longer needed.
7508         (TARGET_STRIP_NAME_ENCODING): Undefine.
7509         * config/stormy16/stormy16-protos.h: Delete prototype for
7510         xstormy16_strip_name_encoding.
7511
7512 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7513
7514         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7515         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7516         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7517         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7518         config/alpha/predicates.md, config/arc/arc.h,
7519         config/arm/arm.h, config/arm/ieee754-df.S,
7520         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7521         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7522         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7523         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7524         config/m68hc11/m68hc11.h, config/mips/mips.c,
7525         config/mips/mips.h, config/mips/openbsd.h,
7526         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7527         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7528         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7529         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7530         config/sparc/linux.h, config/sparc/linux64.h,
7531         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7532         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7533         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7534         typos.  Follow spelling conventions.
7535
7536 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7537
7538         PR c/23113
7539         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7540         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7541         specially.  Check for side effects only for COND_EXPR.
7542         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7543         return with TREE_NO_WARNING.
7544
7545 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7546
7547         PR rtl-optimization/23233
7548         * loop.c (combine_movables): Require the modes to be the same.
7549         (move_movables): Remove handling of cases where the replacement
7550         had a different mode to the original.
7551
7552 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7553
7554         PR tree-optimization/23128
7555         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7556         subtraction wrap, and set TREE_OVERFLOW if they do.
7557
7558 2005-08-05  Richard Henderson  <rth@redhat.com>
7559
7560         PR 21728
7561         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7562         FORCED_LABEL labels.
7563
7564 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7565
7566         PR middle-end/23135
7567         * reload.c (find_reloads_subreg_address): Pass down TYPE
7568         unchanged.  Change all callers except find_reloads_toplev.
7569
7570 2005-08-05  Michael Matz  <matz@suse.de>
7571
7572         * genattrtab.c (current_alternative_string): Remove.
7573         (SIMPLIFY_ALTERNATIVE): Ditto.
7574         (attr_alt_bit_p): Ditto.
7575         (alternative_name): Make const char *.
7576         (evaluate_eq_attr): Remove use of above things.
7577         (simplify_test_exp): Ditto.
7578         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7579         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7580
7581 2005-08-04  James E Wilson  <wilson@specifix.com>
7582
7583         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7584         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7585         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7586         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7587         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7588
7589 2005-08-04  Richard Henderson  <rth@redhat.com>
7590
7591         PR 21529
7592         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7593         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7594         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7595         if we'd have to instantiate too many members.
7596
7597 2005-08-04  Richard Henderson  <rth@redhat.com>
7598
7599         PR 21291
7600         * tree-outof-ssa.c (coalesce_asm_operands): New.
7601         (coalesce_ssa_name): Use it.  Split out ...
7602         (coalesce_phi_operands, coalesce_result_decls): ... these.
7603
7604 2005-08-04  Paul Brook  <paul@codesourcery.com>
7605
7606         * read-rtl.c (read_quoted_string): Break if EOF.
7607
7608 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7609
7610         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7611         (fold_build2): Likewise.
7612         (fold_build3): Likewise.
7613         (fold_build1_stat): New function prototype.
7614         (fold_build2_stat): Likewise.
7615         (fold_build3_stat): Likewise.
7616         * fold-const.c (fold_build1): Rename to ..
7617         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7618         through to build1_stat.
7619         (fold_build2): Rename to ..
7620         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7621         through to build2_stat.
7622         (fold_build3): Rename to ..
7623         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7624         through to build3_stat.
7625
7626 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7627             Ian Lance Taylor  <ian@airs.com>
7628
7629         * function.c (assign_stack_local_1): Do not correct stack slot
7630         address if allocation size is smaller than mode size.
7631
7632 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7633
7634         PR 22037
7635         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7636         (tree_merge_blocks): Propagate anything allowed by
7637         may_propagate_copy.
7638         Clarify documentation.
7639         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7640         SSA form, schedule an update if necessary.
7641
7642 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7643
7644         * doc/install.texi (Binaries): Remove broken link to
7645         Sinix/Reliant Unix binaries.
7646
7647 2005-08-03  Richard Henderson  <rth@redhat.com>
7648
7649         PR 23221
7650         * function.c (stack_protect_epilogue): Export.
7651         * tree.h (stack_protect_epilogue): Declare.
7652         * calls.c (expand_call): Call it.
7653
7654 2005-08-03  Eric Christopher  <echristo@apple.com>
7655
7656         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7657         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7658         spec.
7659
7660 2005-08-04  Jan Hubicka  <jh@suse.cz>
7661
7662         * profile.c (branch_prob): Split edges with goto locus on them
7663         to get proper line counts.
7664         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7665
7666 2005-08-03  Paul Brook  <paul@codesourcery.com>
7667
7668         * function.c (assign_parms): Round current_function_args_size
7669         to PARM_BOUNDARY, not STACK_BOUNDARY.
7670
7671 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7672
7673         * config/i386/i386.c (x86_elf_aligned_common)
7674         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7675
7676 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7677
7678         PR tree-optimization/23157
7679         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7680         before emitting them.
7681
7682 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7683
7684         PR tree-optimization/19899
7685         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7686         * tree-scalar-evolution.c: Include real.h.
7687         (add_to_evolution): Build constant -1 of correct type.
7688
7689 2005-08-03  Jan Hubicka  <jh@suse.cz>
7690
7691         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7692         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7693         profile updating for complette unrolling.
7694         * loop-unroll.c (peel_loop_completely): Use it.
7695         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7696         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7697         loops.
7698
7699 2005-08-03  Paul Brook  <paul@codesourcery.com>
7700
7701         * combine.c (can_change_dest_mode): New function.
7702         (try_combine, simplify_set): Use it.
7703
7704 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7705
7706         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7707         TFmode to BLKmode.
7708
7709 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7710
7711         * doc/install.texi (Specific): Adjust link to openavr.org.
7712         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7713         (Binaries): Adjust HP-UX Porting Center link.
7714         (Binaries): Adjust Free Software Foundation ordering link.
7715
7716 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7717
7718         * convert.c (convert_to_integer): Use fold_build1 instead of
7719         build1 when converting an integer to an integer.
7720
7721 2005-08-02  Richard Henderson  <rth@redhat.com>
7722
7723         * combine.c (combine_instructions): Don't use reg_equal/equiv
7724         results if the mode doesn't match.
7725
7726 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7727
7728         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7729         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7730
7731 2005-08-02  Richard Henderson  <rth@redhat.com>
7732
7733         PR 23196
7734         * explow.c (memory_address): Remove special-case for
7735         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7736
7737 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7738
7739         PR 23164
7740         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7741         number of calls to cleanup_tree_cfg_1.
7742
7743 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7744
7745         * doc/invoke.texi: document file extensions .F90 and .F95
7746
7747 2005-08-02  Richard Guenther  <rguenther@suse.de>
7748
7749         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7750         positive if its first argument is positive.
7751
7752 2005-08-02  Richard Guenther  <rguenther@suse.de>
7753
7754         PR tree-optimization/23177
7755         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7756         on TMR_TAG.
7757
7758 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7759
7760         PR tree-optimization/23129
7761         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7762         varying for divisions with anti-ranges.
7763
7764 2005-08-02  Jan Hubicka  <jh@suse.cz>
7765
7766         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7767         * tree-ssa-threadupdate.c (thread_block): Add it here.
7768
7769 2005-08-01  James E Wilson  <wilson@specifix.com>
7770
7771         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7772         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7773         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7774         New.
7775         * config/mips/predicates.md (const_call_insn_operand): Add check for
7776         SYMBOL_REF_LONG_CALL_P.
7777         * doc/extend.texi (long_call): Document the new attribute.
7778
7779 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7780             Richard Henderson  <rth@redhat.com>
7781
7782         * Makefile.in (RTL_BASE_H): Add real.h.
7783         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7784         instead of memcpy.
7785         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7786         directly.
7787         * rtl.c (rtl_check_failed_code_mode): New.
7788         * rtl.h (struct rtx_def): Add u.rv.
7789         (XCMWINT, XCNMPRV): New.
7790         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7791         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7792
7793 2005-08-01  Richard Henderson  <rth@redhat.com>
7794
7795         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7796         with auto-inc codes.
7797
7798         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7799
7800 2005-08-01  Jan Hubicka  <jh@suse.cz>
7801
7802         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7803         * i386.c: Include dwarf2.h
7804         (asm_preferred_eh_data_format): New.
7805         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7806
7807 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7808
7809         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7810         randomize_va_space for virtual address randomization control.
7811
7812 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7813
7814         * common.opt (flag_ipa_cp): Put in right place to maintain
7815         alphabetic sort.
7816
7817 2005-08-01  Jan Hubicka  <jh@suse.cz>
7818
7819         * profile.c (compute_value_histograms): Fix thinko.
7820         * value-prof.c: Include toplev.h
7821         (check_counter): New function.
7822         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7823         tree_mod_subtract_transform): Add sanity check.
7824
7825 2005-08-01  Richard Guenther  <rguenther@suse.de>
7826
7827         PR tree-optimization/23133
7828         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7829         current functions parameter decls to find defs to cse
7830         reciprocals of.
7831
7832 2005-08-01  Richard Guenther  <rguenther@suse.de>
7833
7834         PR tree-optimization/23109
7835         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7836         If trapping math is in effect, use post-dominator information
7837         to check if we'd in any case reach a trapping point before
7838         doing the reciprocal insertion.
7839         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7840         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7841         expressions are invariant only if trapping math is not in effect.
7842
7843 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7844
7845         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7846         cgraph_function_versioning): New declarations.
7847         * cgraphunit.c: Add include to ipa-prop.h.
7848         (update_call_expr, cgraph_copy_node_for_versioning,
7849         cgraph_function_versioning): New functions.
7850         * integrate.c (copy_decl_for_inlining): Remove.
7851         * ipa-prop.h (ipa_replace_map): New struct.
7852         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7853         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7854         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7855         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7856         ipcp_iterate_stage, ipcp_method_scale_print,
7857         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7858         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7859         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7860         ipcp_update_bb_counts, ipcp_update_profiling,
7861         ipcp_update_edges_counts): New functions.
7862         (ipcp_method_cval_init): Remove restriction regarding local methods.
7863         (ipcp_init_stage): Add ipcp_method_compute_scale.
7864         (ipcp_insert_stage): Add versioning.
7865         (ipcp_structures_print): Add ipcp_method_scale_print.
7866         (ipcp_driver): Dump profiling info.
7867         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7868         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7869         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7870         (struct inline_data): Add versioning_p, ipa_info, new fields.
7871         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7872         declare_return_variable): Replace calls to copy_decl_for_inlining with
7873         copy_decl_for_dup.
7874         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7875         versioning support.
7876         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7877         Add argument VERSIONING.
7878         (copy_arguments_for_versioning, copy_static_chain,
7879         function_versionable_p, tree_versionable_function_p,
7880         tree_function_versioning, replace_ref_tree): New functions.
7881         * tree-inline.h: Include varray.h.
7882         (tree_versionable_function_p,  tree_function_versioning,
7883         tree copy_decl_for_dup): New declarations.
7884
7885 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7886
7887         * ipa-cp.c: New file. Contains IPCP specific functionality.
7888         * ipa-prop.h: New file. Contains structures/definitions that can be
7889         used by several interprocedural data flow optimizations (and also IPCP).
7890         * ipa-prop.c: New file.
7891         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7892         * common.opt: Add ipa-cp flag.
7893         * timevar.def: Add IPCP optimization.
7894         * tree-optimize.c (init_tree_optimization_passes): Schedule
7895         pass_ipa_cp.
7896         * tree-pass.h (pass_ipa_cp): Declare.
7897
7898 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7899
7900         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7901         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7902         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7903         config/i386/i386.c, config/mips/mips.h,
7904         config/rs6000/rs6000.h, config/sh/sh.c,
7905         config/stormy16/stormy16.c: Fix comment typos.
7906
7907 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7908
7909         PR c/22311
7910         * c-typeck.c (build_binary_op): Use common_type wrapper on
7911         shortened types.
7912         (common_type): Update comment.
7913
7914 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7915
7916         PR target/23095
7917         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7918         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7919         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7920
7921 2005-07-31  Jan Hubicka  <jh@suse.cz>
7922
7923         * pretty-print.h (pp_widest_integer): New macro.
7924         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7925         counts.
7926
7927 2005-07-31  Jan Hubicka  <jh@suse.cz>
7928
7929         * output.h (enum section_category): Export from varasm.c
7930         (categorize_decl_for_section): Likewise.
7931         * varasm.c (enum section_category): Kill.
7932         (categorize_decl_for_section): Make global.
7933         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7934         Declare.
7935         * i386.c (ix86_section_threshold): New static variable.
7936         (ix86_in_large_data_p, ix86_encode_section_info,
7937         x86_64_elf_unique_section,
7938         x86_64_elf_select_section): New functions.
7939         (TARGET_ENCODE_SECTION_INFO): Define
7940         (override_options): Enable medium model for PIC.
7941         (ix86_expand_prologue): Expand gen_set_got_rex64.
7942         (legitimate_constant_p): Handle new UNSPECs.
7943         (legitimate_pic_address_disp_p): Likewise.
7944         (legitimize_pic_address): Lower MEDIUM model addressing.
7945         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7946         (enum cmodel): Add MEDIUM_PIC.
7947         (SYMBOL_REF_FAR_ADDR_P): New macro.
7948         (SYMBOL_FLAG_FAR_ADDR): New flag.
7949         * i386.md (movdi): Support medium model.
7950         (set_got_rex64): New pattern.
7951         * i386.opt (mlarge-data-threshold): New flag.
7952         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7953         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7954         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7955         TARGET_ASM_UNIQUE_SECTION): New.
7956
7957         * invoke.texi (-mlarge_data_threshold): Document
7958
7959 2005-07-31  Jan Hubicka  <jh@suse.cz>
7960
7961         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7962         (coalesce_vars): Likewise.
7963         * tree-ssa-live.c (coalesce_cost): New.
7964         (build_tree_conflict_graph): Use coalesce_cost.
7965         * tree-ssa-live.h (coalesce_cost): Declare.
7966
7967 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7968
7969         * arm.md (all peepholes for post-increment operations): Delete.
7970         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7971         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7972         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7973         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7974         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7975
7976 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
7977
7978         * fold-const.c (tree_expr_nonnegative_p): Always return true for
7979         non-integral types.
7980
7981 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
7982
7983         PR target/22582
7984         * doc/invoke.texi: Document -rdynamic.
7985
7986 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
7987
7988         PR c/23143
7989         * c-parser.c (c_parser_parms_list_declarator): Call
7990         mark_forward_parm_decls.
7991         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7992         decls with visibility structure.
7993
7994 2005-07-30  Paul Brook  <paul@codesourcery.com>
7995
7996         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7997
7998 2005-07-30  Paul Brook  <paul@codesourcery.com>
7999
8000         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8001         prototype.
8002         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8003         value for mode.
8004         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8005
8006 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8007
8008         PR c/529
8009         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8010         nested function declarators.
8011         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8012         (grokparms): Call warn_if_shadowing for parameters used within the
8013         parameter list.
8014         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8015         not used within the parameter list.
8016         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8017
8018 2005-07-30  Jan Hubicka  <jh@suse.cz>
8019
8020         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8021         * i386.c (ix86_fixup_binary_operands): Likewise.
8022         (ix86_expand_unary_operator): Likewise.
8023         (ix86_expand_fp_absneg_operator): Likewise.
8024         * optabs.c (expand_vec_cond_expr): Validate dest.
8025
8026 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8027
8028         PR c/21720
8029         * real.c (real_from_string): Also set last bit if there is a
8030         nonzero hex digit beyond GCC's internal precision after ".".
8031
8032 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8033
8034         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8035         define_constants.  Change duplicate values to unassigned numbers.
8036         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8037         (*altivec_vspltsf): New.
8038         (altivec_vperm_v4sf): Delete.
8039         (altivec_vperm_<mode>): Use mode macro V.
8040         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8041         (altivec_predicate_v4sf): Delete.
8042         (altivec_predicate_<mode>): Use mode macro V.
8043         (*altivec_lvesfx): New.
8044         (*altivec_stvesfx): New.
8045         (vec_realign_load_v4sf): Delete.
8046         (vec_realign_load_<mode>): Use mode macro V.
8047         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8048         UNSPECV_SET_VRSAVE.
8049
8050 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8051
8052         PR bootstrap/23131
8053         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8054         string.
8055         * configure: Regenerated.
8056
8057 2005-07-29  Paul Brook  <paul@codesourcery.com>
8058
8059         * doc/install.texi: Add link to GFortran binaries wiki page.
8060
8061 2005-07-29  David Ung  <davidu@mips.com>
8062
8063         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8064         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8065         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8066         * config/mips/mips.md (cpu): Add 5kf name.
8067         (includes): Includes 5k.md.
8068         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8069         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8070         -march flag.
8071
8072 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8073
8074         PR 22550
8075         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8076         (cleanup_tree_cfg): ... here.
8077         Call cleanup_tree_cfg_1 until there are no more cleanups to
8078         do.
8079
8080 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8081
8082         * tree-vrp.c (compare_range_with_value): Return true or false
8083         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8084         EQ_EXPR respectively.
8085
8086 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8087
8088         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8089         Fix comment typos.
8090
8091 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8092
8093         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8094         (tree_ssa_dominator_optimize): Increment it.
8095         (dump_dominator_optimization_stats): Print it.
8096
8097 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8098             Steven Bosscher  <stevenb@suse.de>
8099
8100         PR rtl-optimization/23117
8101         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8102         when head == tail.  Tidy comment.
8103
8104 2005-07-28  Richard Henderson  <rth@redhat.com>
8105
8106         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8107         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8108         * jump.c (rtx_renumbered_equal_p): Likewise.
8109         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8110         CONST_INT and CONST_DOUBLE.
8111         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8112         * reload.c (operands_match_p): Special case CONST_INT and
8113         CONST_DOUBLE; check mode earlier.
8114
8115 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8116
8117         PR c/22240
8118         * c-typeck.c (convert_for_assignment): Do not check
8119         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8120
8121 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8122
8123         PR c/22192
8124         * c-typeck.c (composite_type): Prefer constant size arrays to
8125         VLAs.
8126
8127 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8128
8129         PR c/21720
8130         * real.c (real_from_string): Set last bit if there is a nonzero
8131         hex digit beyond GCC's internal precision.
8132
8133 2005-07-28  Richard Henderson  <rth@redhat.com>
8134
8135         PR rtl-opt/22619
8136         * cfgcleanup.c (try_forward_edges): Watch out for end of
8137         insn chain.
8138
8139 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8140
8141         PR c/23106
8142         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8143
8144 2005-07-28  Jan Hubicka  <jh@suse.cz>
8145
8146         * Makefile.in (rtl-profile.o): Kill all traces of it.
8147         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8148         * coverage.h (rtl_coverage_counter_ref): Kill.
8149         * opts.c (flag_speculative_prefetching_set): Kill.
8150         (flag_loop_optimize_set): New.
8151         (common_handle_option): Disable loop optimizer when profiling;
8152         do not handle speculative prefetching.
8153         * passes.c (init_optimization_passes): Replace pass_profiling combo
8154         by branch_prob pass.
8155         * profile.c (compute_value_histograms): Update for simplified value
8156         profiles.
8157         (rtl_register_profile_hooks): Kill.
8158         (pass_profiling): Kill.
8159         (rest_of_handle_branch_prob): Do not profile.
8160         * toplev.c (process_options): Remove speculative prefetching.
8161         * toplev.h (flag_tree_based_profiling): Kill.
8162         * tree-profile.c (prepare_instrumented_value,
8163         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8164         tree_gen_one_value_profiler, do_tree_profiling): Update for
8165         simplified datastructures.
8166         * value-prof.c: Add comment that speculative prefetching was dropped;
8167         update rest of file for simplified datastructures.
8168         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8169         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8170         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8171         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8172         rtl_mod_subtract, gen_speculative_prefetch,
8173         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8174         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8175         (gate_handle_value_profile_transformations,
8176         rest_of_handle_value_profile_transformations,
8177         pass_value_profile_transformations): Kill.
8178         * value-prof.h (histogram_value_t): Remove IL based unions.
8179         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8180         rtl_profile_hooks): Remove hooks.
8181
8182         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8183
8184         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8185         (cgraph_clone_node): Likewise.
8186         * cgraph.h (cgraph_clone_edge): Update prototype.
8187         (cgraph_clone_node): Likewise.
8188         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8189         cgraph_clone_node.
8190         (lookup_recursive_calls): Consider profile.
8191         (cgraph_decide_recursive_inlining): Fix updating; use new
8192         probability argument; use profile.
8193         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8194         * tree-inline.c (copy_bb): Update clal of clone_edge.
8195         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8196
8197         * invoke.texi (min-inline-recursive-probability): Document.
8198
8199 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8200
8201         * doc/install.texi (Configuration): Update Valgrind homepage.
8202
8203 2005-07-28  Richard Henderson  <rth@redhat.com>
8204
8205         PR middle-end/21362
8206         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8207         labels we want to delete.
8208         (cfg_layout_merge_blocks): Likewise.
8209
8210 2005-07-28  Richard Henderson  <rth@redhat.com>
8211
8212         PR target/17692
8213         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8214         when expanding to nothing.
8215
8216 2005-07-28  Josh Conner  <jconner@apple.com>
8217
8218         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8219         (cgraph_decide_inlining_of_small_functions): Likewise.
8220
8221 2005-07-28  Josh Conner  <jconner@apple.com>
8222
8223         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8224         direction of badness if negative.
8225         (cgraph_default_inline_p): Add reason to parameters, and assign it
8226         a value.
8227         (cgraph_decide_inlining_of_small_functions): New parameter in call
8228         to cgraph_default_inline_p.
8229         (cgraph_decide_inlining_incrementally): Likewise.
8230         * cgraphunit.c (decide_is_function_needed): Likewise.
8231         * cgraph.h (cgraph_default_inline_p): Likewise.
8232
8233 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8234
8235         * builtins.c: Fix comment typo(s).
8236         * genautomata.c: Likewise.
8237         * gimplify.c: Likewise.
8238         * tree-dfa.c: Likewise.
8239         * tree-flow-inline.h: Likewise.
8240         * tree-into-ssa.c: Likewise.
8241         * tree-ssa-alias.c: Likewise.
8242         * tree-ssa-ccp.c: Likewise.
8243         * tree-ssa-copy.c: Likewise.
8244         * tree-ssa-dce.c: Likewise.
8245         * tree-ssa-dom.c: Likewise.
8246         * tree-ssa-operands.c: Likewise.
8247         * tree-tailcall.c: Likewise.
8248         * tree-vectorizer.c: Likewise.
8249         * tree-vrp.c: Likewise.
8250         * tree.c: Likewise.
8251
8252 2005-07-28  Jeff Law  <law@redhat.com>
8253
8254         * tree-vrp.c (test_for_singularity): Extracted from  ...
8255         (simplify_cond_using_ranges): Attempt to simplify a relational
8256         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8257
8258 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8259
8260         PR tree-optimization/22506
8261         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8262         phis whose argument is constant.
8263
8264 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8265
8266         PR rtl-optimization/18992
8267         Back out this patch:
8268           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8269           PR optimization/12142
8270           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8271           uses of the register in the SET_SRC.  Remove unnecessary argument.
8272
8273         Replace it with this:
8274         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8275         if flag_non_call_exceptions is set and the insn may trap, pass
8276         pc_rtx as dest for recursion.
8277         In SET_SRC part of SET case, if dest is already set, pass it down
8278         unchanged.
8279
8280 2005-07-28  Jan Hubicka  <jh@suse.cz>
8281
8282         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8283         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8284         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8285         roundoff errors.
8286         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8287         profile when available.
8288
8289 2005-07-28  Jan Beulich <jbeulich@novell.com>
8290
8291         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8292         (ia64_print_operand): Describe and handle 'X'.
8293         (ia64_register_move_cost): Also handle FP_REGS.
8294         (ia64_preferred_reload_class): Likewise.
8295         (ia64_secondary_reload_class): Likewise.
8296         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8297         it. Also check for ITANIUM_CLASS_FLDP.
8298         * config/ia64/ia64.h (FP_REGNO_P): New.
8299         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8300         (reg_class): Add FP_REGS.
8301         (REG_CLASS_NAMES): Adjust for it.
8302         (REG_CLASS_CONTENTS): Likewise.
8303         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8304         (REG_CLASS_FROM_LETTER): Handle 'x'.
8305         (CLASS_MAX_NREGS): Handle FP_REGS.
8306         (MEMORY_MOVE_COST): Likewise.
8307         * config/ia64/ia64.md (itanium_class): Add fldp.
8308         (type): Handle fldp.
8309         (movti_internal): More allowable operand combinations. Use ldfp8 when
8310         splitting unnecessary. Remove predicable attribute. Adjust
8311         itanium_class attribute.
8312         (smuldi3_highpart): Remove outdated comment.
8313         (mulditi3, umulditi3, rotlti3): New expanders.
8314         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8315         (absti2): Disabled new insn for future reference.
8316         Respective new splitters.
8317         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8318         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8319         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8320
8321 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8322
8323         PR rtl-optimization/23047
8324         * simplify-rtx.c (simplify_const_relational_operation): Respect
8325         flag_wrapv for comparisons with ABS.
8326
8327 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8328
8329         PR tree-optimization/22493
8330         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8331         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8332
8333 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8334
8335         * config/frv/frv.opt (moptimize-membar): New.
8336
8337         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8338
8339         * config/frv/frv.h: Remove machine_function definition.
8340
8341         * config/frv/frv.c (struct frv_io): New.
8342         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8343         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8344         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8345         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8346         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8347         (frv_reorg): Call frv_optimize_membar when appropriate.
8348         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8349         (frv_expand_builtin): Adjust calls accordingly.
8350         (frv_io_address_cookie): New function.
8351         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8352         load or store rather than a special insn.  Add ccnstant address and
8353         io-type operands to the membar.
8354         (frv_ifcvt_modify_tests): Unsign regno.
8355         (frv_ifcvt_modify_tests): Same.
8356
8357         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8358         UNSPEC_OPTIONAL_MEMBAR constant.
8359         (builtin_read_<mode>): Delete.
8360         (builtin_write_<mode>): Delete.
8361         ("optional_membar_<mode>"): Add operand.
8362
8363         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8364         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8365         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8366         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8367         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8368         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8369         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8370         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8371         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8372
8373 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8374
8375         * df.c (df_uses_record): Handle SCRATCH.
8376
8377 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8378
8379         PR debug/20161
8380         * passes.c (rest_of_decl_compilation): If decl is a type and
8381         we have encountered errors, don't emit debug information.
8382
8383 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8384
8385         * params.def: Fixed comment.
8386
8387 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8388
8389         PR target/19885
8390         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8391         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8392         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8393
8394 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8395
8396         PR c++/22003
8397         * varasm.c (assemble_start_function): Don't do anything that may
8398         require a CFG if the current function is a thunk.
8399
8400 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8401
8402         * doc/install.texi (Prerequisites): Mention that perl is needed
8403         to do export control in libstdc++ targetting Darwin.
8404
8405 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8406
8407         PR rtl-optimization/17808
8408         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8409         (sched_insns_conditions_mutex_p): Split out from...
8410         (add_dependence): ...here.  But don't call it from here.
8411         (add_dependence_list): Check sched_insns_conditions_mutex_p
8412         before calling add_dependence.
8413         (add_dependence_list_and_free): Likewise.
8414         (fixup_sched_groups): Likewise.
8415         (sched_analyze_1): Likewise.
8416         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8417         (sched_analyze): Likewise.
8418         (sched_analyze_insn): Likewise.
8419         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8420         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8421         dependencies on all COND_EXEC insns to jumps ending basic blocks
8422         when doing intrablock scheduling.
8423         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8424
8425 2005-07-27  Jeff Law  <law@redhat.com>
8426
8427         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8428         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8429         equivalency sets, correctly handle the case were vr0 has an
8430         equivalency set, but vr1 does not.
8431
8432 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8433
8434         PR tree-optimization/23073
8435         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8436         vect_print_dump_info before fprintf.
8437
8438 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8439
8440         PR tree-optimize/22348
8441         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8442         Fold the partial computation.
8443
8444 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8445
8446         PR tree-optimization/22325
8447         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8448         Declare.
8449         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8450         value replacement.
8451         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8452         (force_var_cost): ... this function.
8453         (compute_phi_arg_on_exit): Export.
8454
8455 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8456
8457         PR tree-optimization/20773
8458         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8459         edge.
8460
8461 2005-07-27  Richard Guenther  <rguenther@suse.de>
8462
8463         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8464         Avoid pushing again if current struct contains only
8465         fields we decomposed.
8466
8467 2005-07-27  Jan Hubicka  <jh@suse.cz>
8468
8469         PR tree-optimization/22574
8470         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8471         not available.
8472
8473         * tree-tailcall.c (decrease_profile): New function.
8474         (eliminate_tail_call): Use it.
8475
8476         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8477         visibility flags correctly in whole program mode.
8478
8479 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8480
8481         PR rtl-optimization/22472
8482         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8483
8484 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8485
8486         PR tree-optimization/22504
8487         * tree-complex.c (expand_complex_addition): Use 'code' instead
8488         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8489
8490 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8491
8492         * config.gcc (cpu_type): Add frv case.
8493         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8494         (supported_defaults): Add fr550 case.
8495
8496 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8497
8498         PR 22591
8499         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8500         whether a pointer of type T * may point to objects of type T *.
8501
8502 2005-07-26  DJ Delorie  <dj@redhat.com>
8503
8504         * configure: Regenerate.
8505
8506 2005-07-26  Dale Johannesen  <dalej@apple.com>
8507
8508         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8509
8510 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8511
8512         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8513         Clarify use of "build" in name.
8514
8515 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8516
8517         * doc/extend.texi (Raw read/write Functions): New section.
8518         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8519         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8520         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8521         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8522         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8523         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8524         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8525         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8526         * config/frv/frv.c: Add bdesc_loads global.
8527         Add bdesc_stores global.
8528         (frv_init_builtins): Add support for __builtin_{read/write}*.
8529         (frv_volatile_memref): New.
8530         (frv_expand_load_builtin): New.
8531         (frv_expand_store_builtin): New.
8532         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8533         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8534         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8535         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8536         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8537         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8538         (builtin_read_<mode>): New.
8539         (builtin_write_<mode>): New.
8540         (builtin_write64): New.
8541         (optional_membar_<mode>): New.
8542
8543 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8544
8545         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8546         (rather than units) against HOST_BITS_PER_WIDE_INT.
8547
8548 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8549
8550         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8551         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8552         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8553         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8554         FSF address.
8555
8556         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8557         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8558         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8559         comment typos.
8560         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8561
8562 2005-07-26  Richard Guenther  <rguenther@suse.de>
8563
8564         PR tree-optimization/22486
8565         * fold-const.c (fold_unary): Fold away useless component
8566         references of the form (T *)&T.x, if the address
8567         doesn't change.
8568
8569 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8570
8571         * dwarf2out.c (add_call_src_coords_attributes): New.
8572         (gen_inlined_subroutine_die): Call it.
8573         (maybe_emit_file, init_file_table): Add comments.
8574         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8575         maybe_emit_file.
8576         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8577         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8578         * tree.h (BLOCK_SOURCE_LOCATION): New.
8579         (struct tree_block): New field locus.
8580
8581 2005-07-26  Andreas Schwab  <schwab@suse.de>
8582
8583         PR rtl-optimization/23043
8584         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8585         when allocating a struct unoccr.
8586
8587 2005-07-25  Richard Henderson  <rth@redhat.com>
8588
8589         PR 22626
8590         * tree-complex.c (gate_no_optimization): True if errors.
8591         * Makefile.in (tree-complex.o): Update dependencies.
8592
8593 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8594
8595         * config/frv/predicates.md (integer_register_operand): Use
8596         GPR_AP_OR_PSEUDO_P.
8597
8598 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8599
8600         PR tree-opt/22484
8601         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8602         after fold.
8603         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8604
8605 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8606
8607         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8608         types when flag_unsafe_math_optimizations is true.
8609
8610 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8611
8612         * gcc.c (option_map): Add --sysroot.
8613         (process_command): Handle --sysroot.
8614         (display_help): Document it.
8615         * doc/cppopts.tex (-isysroot): Document.
8616         * doc/invoke.texi (--sysroot): Document.
8617         * doc/install.texi (--with-build-sysroot): Document.
8618
8619         * Makefile.in (inhibit_libc): New variable.
8620         (INHIBIT_LIBC_CFLAGS): Likewise.
8621         (LIBGCC2_CFLAGS): Include
8622         $(INHIBIT_LIBC_CFLAGS).
8623         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8624         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8625         ($(T)crtend.o): Likewise.
8626         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8627         ($(T)crtendS.o): Likewise.
8628         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8629         ($(T)crtendT.o): Likewise.
8630         (stmp-fixinc): Do not complain about missing headers if
8631         inhibit_libc.
8632         * configure.ac (inhibit_libc): Set it to true/false.
8633         (--with-build-sysroot): New option.  Use it to set
8634         SYSTEM_HEADER_DIR.
8635         * configure: Regenerated.
8636
8637 2005-07-25  Manfred Hollstein  <mh@suse.com>
8638
8639         * calls.c (store_one_arg): Fix unsigned comparison warning.
8640
8641 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8642
8643         PR other/22337
8644         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8645         (ggc_print_statistics): Initialize variable before use.
8646
8647 2005-07-25  Richard Guenther  <rguenther@suse.de>
8648
8649         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8650         calling with a PHI_NODE argument.
8651
8652         * tree-flow-inline.h (overlap_subvar): Protect against
8653         possible overflow.
8654
8655 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8656
8657         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8658         * configure: Regenerate.
8659
8660 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8661
8662         * expr.c (highest_pow2_factor): Make extern.
8663         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8664         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8665         record_array_differ_p, array_ptr_differ_p): Likewise.
8666         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8667         additional cases. Call the above functions.
8668         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8669         base_object_differ_p when there are two base objects. Otherwise, compare
8670         base address and offset. Call may_alias_p.
8671         (dump_data_reference): Use a correct field name.
8672         (analyze_array): Make static. Initialize new data-ref fields.
8673         (analyze_indirect_ref): New function.
8674         (init_data_ref): Initialize new data-ref fields.
8675         (strip_conversion): Moved from tree-vect-analyze.c.
8676         (analyze_offset_expr, get_ptr_offset, address_analysis,
8677         object_analysis): Likewise.
8678         (analyze_offset): New function.
8679         (create_data_ref): Likewise.
8680         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8681         dimensions for ARRAY_REFs only.
8682         (build_classic_dist_vector): Make static.
8683         (access_functions_are_affine_or_constant_p): Call macro to get the
8684         address of access functions.
8685         (compute_all_dependences): Add new parameter
8686         compute_self_and_read_read_dependences. Compute self and read-read
8687         dependences if it is true.
8688         (find_data_references_in_loop): Call create_data_ref. Initialize new
8689         data-ref fields.
8690         (compute_data_dependences_for_loop): Add new parameter
8691         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8692         compute nb_loops. Call compute_all_dependences,
8693         build_classic_dist_vector and build_classic_dir_vector with correct
8694         parameters.
8695         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8696         with correct parameters. Compare dimensions for ARRAY_REFs only.
8697         (free_data_refs): Call macro to free access functions.
8698         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8699         fields from stmt_vinfo.
8700         (struct base_object_info): New structure.
8701         (struct data_reference): Move fields to base_object_info. Add fields
8702         first_location and object_info for above structures. Move fields from
8703         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8704         aligned_to.  Add macros to access the new fields.
8705         Update functions declarations.
8706         * tree-flow.h (is_aliased_with): Declare.
8707         * tree-loop-linear.c (linear_transform_loops): Call
8708         compute_data_dependences_for_loop with correct parameters.
8709         * tree-ssa-alias.c (is_aliased_with): New function.
8710         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8711         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8712         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8713         vect_base_addr_differ_p, compute_subscript_distance and
8714         build_classic_dist_vector. Add printings. Check absolute value of
8715         distance.
8716         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8717         data-refs.
8718         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8719         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8720         to bytes. Add printing.
8721         (vect_compute_data_refs_alignment): Go through loads and stores in one
8722         loop.
8723         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8724         vect_analyze_data_ref_access): Likewise.
8725         (vect_analyze_pointer_ref_access): Remove.
8726         (vect_address_analysis, vect_object_analysis): Likewise.
8727         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8728         and analyze data-refs in the loop.
8729         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8730         fields of data-ref instead of stmt. Add init to the offset from the
8731         base.
8732         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8733         (vect_update_init_of_dr): Likewise.
8734         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8735         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8736         removed fields.
8737         (new_loop_vec_info): Initialize new fields.
8738         (destroy_loop_vec_info): Free new fields.
8739         (vect_strip_conversion): Remove.
8740         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8741         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8742         datarefs. Add new field ddrs.
8743         Add macros for the new fields access.
8744         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8745         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8746         Remove their macros.
8747         * tree.h (highest_pow2_factor): Declare.
8748
8749 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8750
8751         * calls.c (store_one_arg): Check for sibling call MEM arguments
8752         from already clobbered incoming argument area.
8753
8754 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8755
8756         * c-common.c (check_missing_format_attribute): New.
8757         * c-common.h (check_missing_format_attribute): Likewise.
8758         * c-typeck.c (convert_for_assignment): Use it.
8759
8760 2005-07-24  Andreas Schwab  <schwab@suse.de>
8761
8762         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8763         register use a word move.  Correct operand of ext.w in 68000 code.
8764
8765 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8766
8767         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8768         variables as declarations, rather than definitions.
8769
8770 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8771
8772         PR tree-optimization/22526
8773         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8774         of the zero node.
8775
8776 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8777
8778         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8779         that C99 reserve for future use. Use it to define clog10,
8780         clog10f and clog10l.
8781
8782 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8783
8784         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8785         * configure.ac: Check for -Wmissing-format-attribute.
8786
8787         * configure: Regenerate.
8788
8789 2005-07-23  Richard Henderson  <rth@redhat.com>
8790
8791         PR tree-optimization/22623
8792         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8793
8794 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8795
8796         PR target/22577
8797         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8798
8799 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8800
8801         * Makefile.in (C_TREE_H): Update dependencies.
8802         * c-tree.h: Include toplev.h.
8803         * diagnostic.h (diagnostic_set_info): Add format attribute.
8804         * rtl-error.c (diagnostic_for_asm): Likewise.
8805
8806 2005-07-23  Chao-ying Fu  <fu@mips.com>
8807
8808         * config/mips/mips-dsp.md: New file.
8809         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8810         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8811         functions.
8812         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8813         MIPS_BUILTIN_BPOSGE32.
8814         (mips_expand_builtin_direct): Add one parameter to indicate that
8815         builtin functions need to return a value.
8816         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8817         functions.
8818         (mips_regno_to_class): Add classes for 12 new DSP registers.
8819         (mips_subword): Change to check four HI registers.
8820         (mips_output_move): Output move to and from 6 new DSP accumulators.
8821         (override_options): Make sure -mdsp and -mips16 are not used together.
8822         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8823         for machine modes.
8824         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8825         when !TARGET_DSP.
8826         (print_operand): Add 'q' for printing DSP accumulators.
8827         (mips_cannot_change_mode_class): Check ACC_REGS.
8828         (mips_secondary_reload_class): Check ACC_REGS.
8829         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8830         (mips_register_move_cost): Check ACC_REGS.
8831         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8832         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8833         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8834         (dsp_bdesc): New array.
8835         (bdesc_arrays): Add DSP builtin function table.
8836         (mips_prepare_builtin_arg): Check predicate again after
8837         copy_to_mode_reg.
8838         (mips_expand_builtin): Add one more parameter to
8839         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8840         MIPS_BUILTIN_BPOSGE32.
8841         (mips_init_builtins): Initialize new function types.
8842         (mips_expand_builtin_direct): Check if builtin functions need to
8843         return a value and pass operands properly.
8844         (mips_expand_builtin_bposge): New function.
8845         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8846         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8847         (FIRST_PSEUDO_REGISTER): Increase to 188.
8848         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8849         Update for 12 new DSP registers.
8850         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8851         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8852         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8853         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8854         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8855         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8856         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8857         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8858         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8859         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8860         (REGISTER_NAMES): Add names for 12 new DSP registers.
8861         * config/mips/mips.md: Include mips-dsp.md.
8862         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8863         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8864         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8865         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8866         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8867         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8868         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8869         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8870         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8871         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8872         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8873         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8874         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8875         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8876         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8877         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8878         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8879         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8880         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8881         (UNSPEC_RDDSP): New constants.
8882         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8883         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8884         A<-d alternative.
8885         * config/mips/mips.opt (-mdsp): New option.
8886         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8887         (reg_imm10_operand): New predicates.
8888         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8889         * doc/invoke.texi (-mdsp): Document new option.
8890
8891 2005-07-22  DJ Delorie  <dj@redhat.com>
8892
8893         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8894         to warning calls.
8895         * tree-inline.c (inlinable_function_p): Likewise.
8896
8897 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8898
8899         PR debug/21828
8900         * toplev.c (check_global_declarations): Do not mark undefined
8901         variables as DECL_IGNORED_P.
8902         * varasm.c (first_global_object_name): GTY it.
8903         (weak_global_object_name): Likewise.
8904         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8905         a string to go into {weak,first}_global_object_name.
8906
8907 2005-07-22  DJ Delorie  <dj@redhat.com>
8908
8909         * c-format.c (check_function_format): Change warning control
8910         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8911
8912 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8913
8914         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8915         &PTR->FLD a dereference of PTR.
8916         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8917         a potential dereference of PTR.
8918
8919 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8920
8921         PR rtl-optimization/20370
8922         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8923         call allocate_reg_info if necessary.
8924
8925         PR rtl-optimization/21848
8926         * calls.c (emit_library_call_value_1): For const functions, add
8927         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8928
8929         PR rtl-optimization/22445
8930         * cselib.c (target.h): Include.
8931         (rtx_equal_for_cselib_p): Allow commutative matches.
8932         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8933         Remove MODE parameter.  Changed all callers.
8934
8935         PR rtl-optimization/22258
8936         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8937         New functions.
8938         (try_combine): Use likely_spilled_retval_p.
8939
8940 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8941
8942         * config.gcc: Add crx-elf support.
8943
8944         * doc/contrib.texi: Mention crx.
8945         * doc/extend.texi: Document crx extensions.
8946         * doc/install.texi: Document crx install.
8947         * doc/invoke.texi: Document crx options.
8948         * doc/md.texi: Document crx constraints.
8949
8950         * config/crx/crx-protos.h: New file.
8951         * config/crx/crx.c: New file.
8952         * config/crx/crx.h: New file.
8953         * config/crx/crx.md: New file.
8954         * config/crx/crx.opt: New file.
8955         * config/crx/t-crx: New file.
8956
8957 2005-07-22  Manfred Hollstein  <mh@suse.com>
8958
8959         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8960         warnings.
8961         (int_add_graph_edge): Likewise.
8962         (collapse_nodes): Likewise.
8963         (process_unification_queue): Likewise.
8964
8965 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8966             Laurent GUERBY  <laurent@guerby.net>
8967
8968         PR tree-optimization/22336
8969         * function.c (record_block_change): Check for
8970         cfun->ib_boundaries_block.
8971
8972 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
8973
8974         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8975         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8976
8977 2005-07-21  DJ Delorie  <dj@redhat.com>
8978
8979         * toplev.c (warn_deprecated_use): Add warning control to warning
8980         call.
8981         * c-typeck.c (parser_build_binary_op): Likewise.
8982         (c_finish_if_stmt): Likewise.
8983         * c-common.c (check_function_sentinel): Likewise.
8984         (check_nonnull_arg): Likewise.
8985
8986 2005-07-21  Richard Henderson  <rth@redhat.com>
8987
8988         PR tree-opt/22504
8989         * tree-complex.c (complex_ssa_name_components): New.
8990         (cvc_lookup): Allow entry not found.
8991         (create_components): Remove.
8992         (create_one_component_var, get_component_var): New.
8993         (get_component_ssa_name, set_component_ssa_name): New.
8994         (extract_component): Use get_component_ssa_name.
8995         (update_complex_components): Use set_component_ssa_name.
8996         (update_complex_components_on_edge): Likewise.
8997         (update_phi_components): Create new PHI nodes directly, instead
8998         of adding insns to edges.
8999         (tree_lower_complex): Allocate and free complex_variable_components
9000         and complex_ssa_name_components here.
9001
9002 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9003
9004         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9005         revert to returning false.
9006
9007 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9008
9009         PR target/21149
9010         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9011
9012 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9013
9014         PR target/22576
9015         * config/i386/i386.md (cmpxf): Change operand constraints
9016         to "nonmemory_operand".
9017
9018 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9019
9020         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9021
9022 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9023
9024         PR middle-end/21180
9025         * fold-const.c (fold_build1): Add checksum for the operands.
9026         (fold_build2): Likewise.
9027         (fold_build3): Likewise.
9028
9029 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9030
9031         PR middle-end/19055
9032         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9033
9034 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9035
9036         * common.opt (-fforward-propagate): Committed by mistake,
9037         removed.
9038
9039 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9040
9041         * reg-stack.c: Fix comment typo(s).
9042         * tree-ssa-operands.c: Likewise.
9043         * tree-vectorizer: Likewise.
9044
9045 2005-07-21  Nick Clifton  <nickc@redhat.com>
9046
9047         * config/sh/symbian.c: Replace C++ style line comments with C
9048         style line comments.
9049         (symbian_add_attribute): Do not use a ? operator on the LHS of
9050         an assignment.
9051         (sh_symbian_handle_dll_attribute): Change the type of the
9052         method vector to "VEC(tree,gc)*" and use vector accessor
9053         macros to walk over the elements.
9054         (symbian_export_vtable_and_rtti_p): Likewise.
9055         (symbian_class_needs_attribute_p): Likewise.
9056
9057 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9058
9059         PR target/22085
9060         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9061         initialize targetm.resolve_overloaded_builtin here.
9062         (altivec_expand_overloaded_builtin): Make it non-static.
9063         * config/rs6000/rs6000-protos.h
9064         (altivec_expand_overloaded_builtin): New prototype.
9065         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9066         targetm.resolve_overloaded_builtin here.
9067         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9068
9069 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9070             Zdenek Dvorak  <dvorakz@suse.cz>
9071
9072         PR tree-optimization/19210
9073         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9074         New.
9075         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9076         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9077         rely on unproven assumptions.
9078         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9079         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9080         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9081         to number_of_iterations_exit.
9082         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9083         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9084         * tree-ssa-loop-niter.c (find_loop_niter,
9085         estimate_numbers_of_iterations_loop): Likewise.
9086         (number_of_iterations_exit): Honor the new options.
9087         * doc/invoke.texi (Wunsafe-loop-optimizations,
9088         funsafe-loop-optimizations): Document them.
9089
9090 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9091
9092         PR rtl-optimization/22167
9093         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9094
9095 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9096
9097         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9098         __do_global_dtors_aux longcall.
9099
9100 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9101
9102         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9103         (old_special_pred_table): Don't reference
9104         SPECIAL_MODE_PREDICATES.
9105         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9106         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9107         * config/sh/predicates.h: Don't mention
9108         SPECIAL_MODE_PREDICATES.
9109         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9110         Remove.
9111
9112 2005-07-20  DJ Delorie  <dj@redhat.com>
9113
9114         * config.gcc: Add m32c-elf support.
9115
9116         * doc/contrib.texi: Mention m32c.
9117         * doc/extend.texi: Document m32c extensions.
9118         * doc/install.texi: Mention m32c.
9119         * doc/invoke.texi: Document m32c options.
9120         * doc/md.texi: Document m32c constraints.
9121
9122         * config/m32c/addsub.md: New file.
9123         * config/m32c/bitops.md: New file.
9124         * config/m32c/cond.md: New file.
9125         * config/m32c/jump.md: New file.
9126         * config/m32c/m32c-lib1.S: New file.
9127         * config/m32c/m32c-lib2.c: New file.
9128         * config/m32c/m32c-modes.def: New file.
9129         * config/m32c/m32c-pragma.c: New file.
9130         * config/m32c/m32c-protos.h: New file.
9131         * config/m32c/m32c.abi: New file.
9132         * config/m32c/m32c.c: New file.
9133         * config/m32c/m32c.h: New file.
9134         * config/m32c/m32c.md: New file.
9135         * config/m32c/m32c.opt: New file.
9136         * config/m32c/minmax.md: New file.
9137         * config/m32c/mov.md: New file.
9138         * config/m32c/muldiv.md: New file.
9139         * config/m32c/predicates.md: New file.
9140         * config/m32c/prologue.md: New file.
9141         * config/m32c/shift.md: New file.
9142         * config/m32c/t-m32c: New file.
9143
9144 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9145
9146         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9147         (stack_protect_set, stack_protect_test): New expanders.
9148         (stack_protect_set_si, stack_protect_set_si_media,
9149         stack_protect_set_di_media, stack_protect_test_si,
9150         stack_protect_test_si_media, stack_protect_test_di_media):
9151         New insns.
9152
9153 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9154
9155         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9156
9157 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9158
9159         * tree.h (tree_expr_nonzero_p): Export.
9160         * fold-const.c (tree_expr_nonzero_p): Likewise.
9161         Return true for CALL_EXPRs that are alloca calls.
9162         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9163         against zero.
9164         * tree-flow.h (expr_computes_nonzero): Remove.
9165         * tree-vrp.c (expr_computes_nonzero): Remove.
9166         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9167         (extract_range_from_unary_expr): Likewise.
9168         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9169         tree_expr_nonzero_p.
9170
9171 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9172
9173         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9174         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9175         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9176         All callers changed.
9177         (frame_related_constant_load): New arg "related" which controls
9178         setting of RTX_FRAME_RELATED_P.  All callers changed.
9179         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9180         (bfin_expand_prologue): Add stack limit checking.
9181         * config/bfin/bfin.md (trapifcc): New pattern.
9182
9183         * config/bfin/bfin.c: Include "langhooks.h".
9184         (def_builtin): Go through lang_hooks to call builtin_function.
9185
9186         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9187         * config/bfin/predicates.md (symbol_ref_operand): New.
9188         (call_insn_operand): Delete.  All callers changed to use
9189         register_no_elim_operand.
9190         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9191         call_cookie field.
9192         (function_arg): Use it to generate the call's operand 2.
9193         (bfin_longcall_p): New function.
9194         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9195         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9196         determine if the address needs to be in a REG.
9197         (bfin_handle_longcall_attribute): New function.
9198         (bfin_attribute_table): Add "longcall" and "shortcall".
9199         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9200         (CUMULATIVE_ARGS): New member call_cookie.
9201         (PREDICATE_CODES): Add symbol_ref_operand.
9202         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9203         extra USE to the pattern.
9204         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9205         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9206         sibcall_value_insn; now the new patterns handle direct calls and the
9207         old ones indirect calls.
9208         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9209
9210 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9211
9212         * doc/trouble.texi: Update section on handling of empty loops.
9213
9214 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9215
9216         * config.gcc: Remove support for sparc-*-openbsd*,
9217         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9218         ns32k-*-netbsd*.
9219         * config.host: Remove support for i860-*-sysv4* as a host.
9220         * config/i860/*, config/ip2k/*, config/ns32k/*,
9221         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9222         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9223         mention obsolete ports.
9224
9225 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9226
9227         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9228         soft frame pointer.
9229         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9230         of frame_pointer_rtx.
9231         (sh_expand_epilogue): Likewise.
9232         (sh_set_return_address): Likewise.
9233         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9234         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9235         offsets from FRAME_POINTER_REGNUM.
9236         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9237         (sh_register_names): Add initializer for sfp.
9238         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9239         (VALID_REGISTER_P): Likewise.
9240         (FIRST_PSEUDO_REGISTER): Update.
9241         (DWARF_FRAME_REGISTERS): Define.
9242         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9243         (HARD_FRAME_POINTER_REGNUM): Define.
9244         (FRAME_POINTER_REGNUM): Redefine.
9245         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9246         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9247         from FRAME_POINTER_REGNUM.
9248         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9249         FRAME_POINTER_REGNUM.
9250         (REG_CLASS_CONTENTS): Add sfp.
9251         (REG_ALLOC_ORDER): Likewise.
9252         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9253         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9254         of frame_pointer_rtx.
9255         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9256
9257 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9258
9259         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9260         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9261         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9262         of an ABS_EXPR.
9263         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9264         ABS_EXPR<x>.
9265
9266 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9267
9268         Make CONSTRUCTOR use VEC to store initializers.
9269         * c-common.c (complete_array_type): Update to cope with VEC in
9270         CONSTRUCTOR_ELTS.
9271         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9272         (pp_c_constructor_elts): New function.
9273         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9274         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9275         struct constructor_stack, struct initializer_stack,
9276         constructor_elements, push_init_level, pop_init_level,
9277         add_pending_init, find_init_member, output_init_element): Update to
9278         cope with VEC in CONSTRUCTOR_ELTS.
9279         * coverage.c (build_fn_info_value, build_ctr_info_value,
9280         build_gcov_info): Likewise.
9281         * expr.c (categorize_ctor_elements_1, store_constructor,
9282         expand_expr_real_1): Likewise.
9283         * fold-const.c (fold_ternary): Likewise.
9284         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9285         gimplify_init_constructor, gimplify_expr): Likewise.
9286         * tree-dump.c (dequeue_and_dump): Likewise.
9287         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9288         node.
9289         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9290         CONSTRUCTOR_ELTS.
9291         * tree-sra.c (generate_element_init_1): Likewise.
9292         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9293         * tree-ssa-operands.c (get_expr_operands): Likewise.
9294         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9295         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9296         (get_initial_def_for_reduction): Likewise.
9297         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9298         value handle in annotations.
9299         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9300         tree_node_structure): Add support for constr_kind.
9301         (build_vector_from_ctor, build_constructor_single,
9302         build_constructor_from_list): New functions.
9303         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9304         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9305         Update to cope with VEC in CONSTRUCTOR_ELTS.
9306         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9307         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9308         CONSTRUCTOR_APPEND_ELT): New macros.
9309         (struct constructor_elt, struct tree_constructor): New data types.
9310         (union tree_node): Add tree_constructor field.
9311         * treestruct.def: Define TS_CONSTRUCTOR.
9312         * varasm.c (const_hash_1, compare_constant, copy_constant,
9313         compute_reloc_for_constant, output_addressed_constants,
9314         initializer_constant_valid_p, output_constant,
9315         array_size_for_constructor, output_constructor): Update to cope with
9316         VEC in CONSTRUCTOR_ELTS.
9317         * vec.h (VEC_empty, VEC_copy): New macros.
9318
9319 2005-07-19  Devang Patel  <dpatel@apple.com>
9320
9321         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9322
9323 2005-07-19  Richard Henderson  <rth@redhat.com>
9324
9325         PR tree-opt/22278
9326         * gimplify.c (gimplify_expr): Use main variant type for the temp
9327         destination for a discarded volatile read.
9328         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9329         casts between non-void types that change volatility.
9330
9331 2005-07-15  DJ Delorie  <dj@redhat.com>
9332
9333         * toplev.h: Add comment about the first parameter for warning().
9334         * errors.h: Likewise.
9335
9336         * c.opt (Wpragmas): New.
9337         * doc/invoke.texi: Document it.
9338
9339         * function.c (do_warn_unused_parameter): Add warning control to
9340         warning call.
9341         * c-decl.c (warn_if_shadowing): Likewise.
9342         * c-lex.c (cb_def_pragma): Likewise.
9343         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9344         (pop_alignment): Likewise.
9345         (handle_pragma_pack): Likewise.
9346         (apply_pragma_weak): Likewise.
9347         (handle_pragma_weak): Likewise.
9348         (handle_pragma_redefine_extname): Likewise.
9349         (add_to_renaming_pragma_list): Likewise.
9350         (handle_pragma_extern_prefix): Likewise.
9351         (maybe_apply_renaming_pragma): Likewise.
9352         (handle_pragma_visibility): Likewise.
9353
9354         * config/c4x/c4x-c.c (BAD): Likewise.
9355         (c4x_parse_pragma): Likewise.
9356         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9357         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9358         (rs6000_pragma_longcall): Likewise.
9359         * config/v850/v850-c.c (pop_data_area): Likewise.
9360         (ghs_pragma_section): Likewise.
9361         (ghs_pragma_section): Likewise.
9362         (ghs_pragma_interrupt): Likewise.
9363         (ghs_pragma_starttda): Likewise.
9364         (ghs_pragma_startsda): Likewise.
9365         (ghs_pragma_startzda): Likewise.
9366         (ghs_pragma_endtda): Likewise.
9367         (ghs_pragma_endsda): Likewise.
9368         (ghs_pragma_endzda): Likewise.
9369
9370 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9371             Kenneth Zadeck <zadeck@naturalbridge.com>
9372
9373         * Makefile.in: Removed tree-promote-statics.c
9374         * tree-promote-statics.c: Removed.
9375         * common.opt: Removed flag-promote-statics.
9376         * opts.c: Ditto.
9377         * passes.c: Removed tree-promote-statics pass.
9378         * tree-pass.h: Ditto.
9379         * timevar.def: Removed TV_PROMOTE_STATICS.
9380
9381
9382 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9383
9384         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9385         and *-*-freebsd9.
9386         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9387
9388 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9389
9390         PR c/22476
9391         * c-common.c (check_function_arguments): Call
9392         'check_function_format' if either -Wformat or
9393         -Wmissing-format-attribute are specified.
9394         * c-format.c (check_function_format): Check -Wformat before
9395         calling 'check_format_info'.
9396         * c-opts.c (c_common_post_options): Don't warn for
9397         -Wmissing-format-attribute without -Wformat.
9398         * c-typeck.c (convert_for_assignment): Detect additional cases for
9399         -Wmissing-format-attribute.
9400         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9401         behavior.
9402
9403 2005-07-19  Richard Guenther  <rguenther@suse.de>
9404
9405         * config/i386/i386.md (lrint<mode>2): Use temporary
9406         instead of clobbering non-existent memory.
9407
9408 2005-07-19  Nick Clifton  <nickc@redhat.com>
9409
9410         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9411         statement to avoid displaying ASCII control characters.
9412
9413 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9414
9415         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9416         * cfganal.c (find_edge_index): Ditto.
9417         * combine.c (combine_instructions): Ditto.
9418         * ddg.c (create_scc): Ditto.
9419         (find_successors): Ditto.
9420         (find_predecessors): Ditto.
9421         (find_nodes_on_paths): Ditto.
9422         (longest_simple_path): Ditto.
9423         * flow.c (update_life_info): Ditto.
9424         (count_or_remove_death_notes): Ditto.
9425         (clear_log_links): Ditto.
9426         * modulo-sched.c (generate_reg_moves): Ditto.
9427         (find_max_asap): Ditto.
9428         (find_max_hv_min_mob): Ditto.
9429         (find_max_dv_min_mob): Ditto.
9430         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9431         * sched-rgn.c (extract_edgelst): Ditto.
9432         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9433         (dump_update_ssa): Ditto.
9434         (ssa_names_to_replace) Ditto.
9435         (switch_virtuals_to_full_rewrite): Ditto.
9436         (update_ssa): Ditto.
9437         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9438
9439 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9440
9441         Fix PR tree-optimization/22483
9442
9443         * tree-complex.c (create_components): Use
9444         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9445         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9446         * tree-flow.h (safe_referenced_var_iterator): New structure.
9447         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9448         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9449         safe_referenced_var iterator.
9450         (add_type_alias): Ditto.
9451
9452 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9453
9454         * loop-init.c (rest_of_handle_loop2): Remove.
9455         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9456         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9457         (pass_rtl_loop_init, pass_rtl_loop_done,
9458         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9459         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9460         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9461         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9462         pass_tree_loop_done, and pass_tree_unswitch.
9463         (gate_loop): Rename to gate_tree_loop.
9464         * passes.c (init_optimization_passes): Update for renamed tree
9465         loop passes.  Add the new loop2 passes as subpasses of loop2.
9466         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9467         Update for the renamed tree loop passes.
9468
9469 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9470
9471         PR middle-end/22057
9472         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9473         blocks when optimizing.
9474
9475 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9476
9477         * common.opt (frename-registers): Initialize to 2.
9478         (fweb): Ditto.
9479         (fgcse-after-reload): Ditto.
9480         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9481         (process_options): Only change flag_web, flag_rename_registers,
9482         and flag_rerun_cse_after_loop if not explicitly set by user.
9483
9484 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9485
9486         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9487         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9488         in 64-bit mode the same as DImode in 32-bit mode.
9489         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9490         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9491         mode. Add new mode parameter.
9492         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9493         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9494         x86_64_shift_adj): New expanders.
9495         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9496         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9497         insns.
9498         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9499         DImode shift splitters.
9500         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9501         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9502         mode parameter.
9503
9504 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9505
9506         * i386.md (movdi_extzv_1): New.
9507         (zero_extendhidi2): Combine alternatives and never force use of
9508         REX64 prefix.
9509         (zero_extendqidi2): Likewise. Don't restrict input selection.
9510
9511 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9512
9513         Fix PR tree-optimization/22531
9514         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9515          moment.
9516
9517 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9518
9519         * tree-promote-statics.c (pass_promote_statics): Change dump file
9520          name.
9521
9522 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9523
9524         * tree-optimize.c (init_tree_optimization_passes): Add
9525         pass_eliminate_useless_stores pass.
9526         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9527         * tree-ssa-pre.c (is_copy_stmt): New function.
9528         (follow_copies_till_vuse): Ditto.
9529         (do_eustores): Ditto.
9530         (gate_eustores): Ditto.
9531
9532 2005-07-16  Richard Henderson  <rth@redhat.com>
9533
9534         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9535
9536 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9537            Kenneth Zadeck <zadeck@naturalbridge.com>
9538
9539         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9540         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9541         ipa-type-escape.h, tree-promote-statics.c
9542         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9543         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9544         tree-promote-statics.c: new files.
9545         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9546         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9547         int nonlocal_set_p, mark_constant_function): Deleted.
9548         (rest_of_handle_cfg): Removed call to mark_constant_function.
9549         (nonoverlapping_component_refs_p): Added calls to support
9550         type based aliasing.
9551         * tree-ssa-alias.c (may_alias_p,
9552         compute_flow_insensitive_aliasing): Ditto.
9553         * calls.c (flags_from_decl_or_type): Removed reference to
9554         cgraph_rtl_info.
9555         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9556         too many arguments.  This is necessary for Spec 2000.
9557         * cgraph.h (const_function, pure_function): Removed.
9558         * common.opt: Added "fipa-pure-const", "fipa-reference",
9559         "fipa-type-escape", and "ftree-promote-static".
9560         * opts.c: Ditto.
9561         * passes.c: Added ipa and tree-promote-statics passes.
9562         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9563         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9564         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9565         * tree-flow.h: Added exposed sra calls and addition of
9566         reference_vars_info field for FUNCTION_DECLS.
9567         * tree-pass.h: Added passes.
9568         * tree-sra.c: (sra_init_cache): New function.
9569         (sra_insert_before, sra_insert_after) Made public.
9570         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9571         and made public.
9572         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9573         aliasing. (may_alias_p): Added code to use type escape analysis to
9574         improve alias sets.
9575         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9576         code to prune clobbers of static variables based on information
9577         produced in ipa-reference pass.  Changed call clobbering so that
9578         statics are not marked as clobbered if the call does not clobber
9579         them.
9580
9581 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9582
9583         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9584         too.
9585
9586 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9587
9588         * doc/install.texi (*-*-solaris2*): Document recommended version
9589         of GNU binutils and mention GNU linker problem on Solaris 10.
9590
9591 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9592
9593         PR c/22421
9594         * c-decl.c (c_build_bitfield_integer_type): New function.
9595         (finish_struct): Call it.
9596         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9597
9598 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9599
9600         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9601         before returning.
9602
9603 2005-07-16  Jan Hubicka  <jh@suse.cz>
9604
9605         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9606         (scale_bbs_frequencies_int): Watch roundoff errors.
9607         * predict.c (return_prediction): Initialize return_stmt.
9608
9609 2005-07-16  Jan Hubicka  <jh@suse.cz>
9610
9611         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9612         after RTL profiling.
9613
9614 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9615
9616         PR middle-end/22398
9617         * fold-const.c (build_range_check): Convert high/low to etype
9618         if we are only comparing against exp.
9619
9620 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9621
9622         Fix PR tree-optimization/22376
9623         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9624         special var here.
9625         (need_to_solve): New function.
9626         (compute_points_to_sets): Use it.
9627
9628 2005-07-15  Jan Hubicka  <jh@suse.cz>
9629
9630         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9631         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9632
9633 2005-07-15  Richard Guenther  <rguenther@suse.de>
9634
9635         * c-common.c (handle_flatten_attribute): New function.
9636         Add flatten function attribute.
9637         * doc/extend.texi: Document flatten function attribute.
9638         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9639         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9640         New functions.
9641         (cgraph_decide_inlining): Handle functions with flatten
9642         attribute.
9643
9644 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9645
9646         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9647         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9648         UNSPEC_XCHG, UNSPEC_AND): New.
9649         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9650         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9651         * config/rs6000/sync.md (FETCHOP): New code macro.
9652         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9653         New code attrs.
9654         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9655         (sync_compare_and_swap<mode>): Same.
9656         (sync_lock_test_and_set<mode>): Same.
9657         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9658         for QImode and HImode, and not PPC405.
9659         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9660         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9661         (sync_<fetchop>{si,di}_internal): New.
9662         (sync_nand{si,di}_internal): New.
9663         (sync_old_<fetchop>{si,di}_internal): New.
9664         (sync_old_nand{si,di}_internal): New
9665         (sync_new_<fetchop>{si,di}_internal): New.
9666         (sync_new_nand{si,di}_internal): New.
9667         (atomic_and{si,di}): New.
9668         (sync_new_nand{si,di}_internal): New.
9669         (atomic_and{si,di}): New.
9670         (sync_add<mode>_internal): Delete.
9671         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9672         (sync_sub<mode>_internal): Delte.
9673         (sync_subshort_internal): New.
9674         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9675         (sync_anddi_internal): Delete.
9676         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9677         (sync_booldi_internal): Delete.
9678         (sync_boolc<mode>_internal): Delete.
9679         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9680         (sync_boolc<mode>_internal2): Delete.
9681         (sync_boolcc<mode>_internal): Delete.
9682         (isync, lwsync): Use unspec instead of unspec_volatile.
9683         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9684         Revert UNSPEC_VOLATILE.
9685         (rs6000_split_atomic_op): New.
9686         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9687
9688 2005-07-14  Eric Christopher  <echristo@redhat.com>
9689
9690         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9691         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9692
9693 2005-07-14  Eric Christopher  <echristo@redhat.com>
9694
9695         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9696
9697 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9698
9699         PR tree-optimization/22230
9700         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9701         the computation of the four cross productions for "range op range".
9702
9703 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9704             Ulrich Weigand  <uweigand@de.ibm.com>
9705
9706         PR target/20126
9707         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9708         in some insn.
9709
9710 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9711
9712         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9713
9714 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9715
9716         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9717
9718 2005-07-14  Richard Guenther  <rguenther@suse.de>
9719
9720         PR middle-end/22347
9721         * config/i386/i386-protos.h (ix86_function_value): Change
9722         prototype to match new target hook.
9723         * config/i386/i386.c (ix86_value_regno): Change prototype
9724         to take extra type argument.
9725         (TARGET_FUNCTION_VALUE): Define.
9726         (ix86_function_ok_for_sibcall): Pass extra argument to
9727         ix86_value_regno, check return slot rtx for exact match.
9728         (ix86_function_value): Take extra parameter.  Dispatch to
9729         ix86_value_regno with fndecl/fntype as provided.
9730         (ix86_value_regno): Handle extra type argument.
9731         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9732
9733         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9734         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9735         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9736         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9737         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9738
9739 2005-07-14  Richard Guenther  <rguenther@suse.de>
9740
9741         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9742         * calls.c (expand_call): Pass fntype to hard_function_value.
9743         (emit_library_call_value_1): Likewise.
9744         * explow.c: Include target.h.
9745         (hard_function_value): Take extra argument, the fntype.
9746         Use new target hook for function_value.
9747         * expr.h (hard_function_value): Change prototype.
9748         * function.c (aggregate_value_p): Pass 0 as fntype to
9749         hard_function_value.
9750         (assign_parms): Use new target hook for function_value.
9751         Pass 0 as fntype to hard_function_value.
9752         (expand_function_end): Likewise.
9753         * reg-stack.c: Include target.h.
9754         (stack_result): Use new target hook for function_value.
9755         * target-def.h: New target hook function_value.
9756         * target.h: Likewise.
9757         * targhooks.c (default_function_value): New function.
9758         * targhooks.h (default_function_value): Declare.
9759
9760 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9761
9762         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9763
9764 2005-07-14  Jan Hubicka  <jh@suse.cz>
9765
9766         * tree-dfa.c (dump_variable): Use default_def function.
9767         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9768         * tree-ssa.c (verify_use): Likewise.
9769         * tree-ssanames.c (release_ssa_name): Likewise.
9770         * tree-tailcall.c (eliminate_tail_call): Likewise.
9771         (tree_optimize_tail_calls_1): Likewise.
9772         * tree-vrp.c (get_value_range): Likewise.
9773
9774 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9775
9776         * gcc.c (main): Compare language[0] with '*' when iterating over
9777         the infiles.
9778
9779 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9780
9781         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9782         "s390_emit_compare".  Add handling of CCZ1mode.
9783         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9784         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9785         checking.
9786         (s390_branch_condition_mask): Add CCZ1mode handling.
9787         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9788         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9789         Use CCZ1mode instead of CCZmode.
9790         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9791
9792 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9793
9794         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9795         pattern.
9796         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9797
9798 2005-07-13  Eric Christopher  <echristo@redhat.com>
9799
9800         * config/mips/mips.c (mips_canonicalize_comparison): New.
9801         (mips_emit_int_relational): Use.
9802
9803 2005-07-13  Eric Christopher  <echristo@redhat.com>
9804
9805         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9806         static extra parts.
9807         * config/s390/s390.md: Include tpf.md. Move tpf specific
9808         patterns...
9809         * config/s390/tpf.md: To here.
9810         * config/s390/s390.opt: Move tpf specific options...
9811         * config/s390/tpf.opt: to here. Add mmain option.
9812         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9813         * config/s390/tpf.h: Rewrite.
9814
9815 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9816
9817         * doc/tm.texi: Remove @xref{Cross-profiling}.
9818
9819 2005-07-13  Jeff Law  <law@redhat.com>
9820
9821         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9822         expressions, test their _DECL operands for pointer equality rather
9823         than using operand_equal_p.
9824
9825 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9826
9827         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9828         (TARGET_POSIX_IO): This.
9829         * config/darwin.h: Likewise.
9830         * config/freebsd.h: Likewise.
9831         * config/linux.h: Likewise.
9832         * config/lynx.h: Likewise.
9833         * config/netbsd.h: Likewise.
9834         * config/rs6000/linux64.h: Likewise.
9835         * config/rs6000/linux.h: Likewise.
9836         * config/s390/tpf.h: Likewise.
9837         * config/sh/embed-elf.h: Likewise.
9838         * config/sparc/linux64.h: Likewise.
9839         * config/sparc/linux.h: Likewise.
9840         * config/svr4.h: Likewise.
9841         * gcov-io.h: Likewise.
9842
9843         * doc/tm.texi: Updated.
9844
9845         * libgcov.c (create_file_directory): Defined only if
9846         TARGET_POSIX_IO is defined.
9847         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9848         is defined.
9849
9850 2005-07-13  Jan Hubicka  <jh@suse.cz>
9851
9852         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9853
9854 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9855
9856         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9857         structure as argument.
9858
9859 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9860
9861         PR tree-optimization/21921
9862         * tree-iterator.c (tsi_link_before): Support the case when
9863         tsi_end_p (tsi) == true.
9864
9865 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9866
9867         PR tree-optimization/22442
9868         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9869         correctly.
9870
9871 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9872
9873         PR rtl-optimization/20376
9874         * toplev.c (process_options): Enable -fweb and -frename-registers when
9875         unrolling.
9876         * doc/invoke.texi: Update the information about when -fweb and
9877         -frename-registers are enabled.
9878
9879 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9880
9881         PR tree-opt/21840
9882         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9883         if *rhs_p is not a SSA_NAME.
9884
9885 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9886
9887         Fix PR tree-optimization/22422
9888         * tree-ssa-structalias.c (struct variable_info): Add flag for
9889         special vars.
9890         (get_varinfo): Now a static function.
9891         (new_varinfo): init has_union and is_special_var to false.
9892         (solution_set_add): Check has_union.
9893         (do_da_constraint): Move temporary variable so it gets reset
9894         properly.
9895         Also check for special variable.
9896         (do_ds_constraint): Ditto.
9897         (do_sd_constraint): Ditto.
9898         (do_structure_copy): Check for special variable.
9899         (find_func_aliases): Ditto.
9900         (init_base_vars): Set special vars properly.
9901
9902 2005-07-13  Jan Hubicka  <jh@suse.cz>
9903
9904         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9905         do unit-at-a-time.
9906
9907         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9908         (get_expr_operands): Fix thinko wrt flags and subvars.
9909
9910         PR tree-optimize/22379
9911         * tree-inline.c (expand_call_inline): Do not output sorry in early
9912         inlining.
9913
9914 2005-07-12  Dale Johannesen  <dalej@apple.com>
9915
9916         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9917
9918 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9919
9920         PR bootstrap/21704
9921         * host-linux.h: Include limits.h.
9922
9923 2005-07-12  Dale Johannesen  <dalej@apple.com>
9924
9925         * expr.c (compress_float_constant):  Add cost check.
9926         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9927
9928 2005-07-12  Dale Johannesen  <dalej@apple.com>
9929
9930         * gcc.target/i386/compress-float-sse.c:  New.
9931         * gcc.target/i386/compress-float-sse-pic.c:  New.
9932         * gcc.target/i386/compress-float-387.c:  New.
9933         * gcc.target/i386/compress-float-387-pic.c:  New.
9934         * gcc.dg/compress-float-ppc.c:  New.
9935         * gcc.dg/compress-float-ppc-pic.c:  New.
9936
9937 2005-07-12  Eric Christopher  <echristo@redhat.com>
9938
9939         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9940         static extra parts.
9941         * config/s390/s390.md: Include tpf.md. Move tpf specific
9942         patterns...
9943         * config/s390/tpf.md: To here.
9944         * config/s390/s390.opt: Move tpf specific options...
9945         * config/s390/tpf.opt: to here. Add mmain option.
9946         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9947         * config/s390/tpf.h: Rewrite.
9948
9949 2005-07-12  Eric Christopher  <echristo@redhat.com>
9950
9951         * gcc.c (struct infile): Update comment for language.
9952         (main): Rewrite input file resetting code.
9953
9954 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9955
9956         PR tree-opt/22335
9957         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9958         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9959         (lookup_avail_expr): Use constant_boolean_node instead
9960         of boolean_false_node/boolean_true_node.
9961
9962 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9963
9964         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9965         and use it when printing num_edges.
9966
9967 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9968
9969         * doc/extend.texi (Blackfin Built-in Functions): New section.
9970         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9971         @opindex.
9972
9973 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
9974
9975         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9976         s/cmpstrsi/cmpstrnsi
9977         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9978         'cmpstrnsi'.
9979         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9980         (init_optabs): Initialize cmpstrn_optab.
9981         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9982         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9983         * expr.c: (enum insn_code cmpstrn_optab): Declare.
9984         * config/i386/i386.md: s/cmpstr/cmpstrn
9985         * config/c4x/c4x.md: s/cmpstr/cmpstrn
9986         * doc/md.texi: Update documentation.
9987
9988 2005-07-11  Richard Henderson  <rth@redhat.com>
9989
9990         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9991         build_va_arg_indirect_ref.
9992         (alpha_gimplify_va_arg): Likewise.
9993         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9994         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9995         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9996         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9997         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9998         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9999         Likewise.
10000         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10001
10002 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10003
10004         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10005         * passes.c (init_optimization_passes): Add pass_empty_loop.
10006         * tree-pass.h (pass_empty_loop): Declare.
10007         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10008         try_remove_empty_loop, remove_empty_loops): New functions.
10009         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10010         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10011
10012 2005-07-12  Peter Barada  <peter@the-baradas.com>
10013
10014         PR middle-end/16719
10015         PR middle-end/18421
10016         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10017         in address registers.
10018         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10019         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10020         alternative of addsi3_5200.
10021
10022 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10023
10024         * config/mips/mips.md (ffs<mode>2): Remove.
10025
10026 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10027
10028         * doc/tree-ssa.texi (Cleanups): Improve description of
10029         TRY_FINALLY_EXPR.
10030         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10031
10032 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10033
10034         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10035         * tree.h (DECL_ARGUMENT_FLD): New macro.
10036
10037 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10038
10039         Fix PR tree-optimization/22404
10040
10041         * tree-ssa-structalias.c (create_variable_info_for): Use
10042         correct offset.
10043
10044 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10045
10046         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10047         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10048         for second comparison operand.
10049         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10050
10051         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10052         (define_insn_reservation "alu"): Likewise.
10053         (csync, ssync): Now of type sync.
10054         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10055         -mcsync-anomaly -mspecld-anomaly.
10056         * config/bfin/bfin.opt (mcsync): Remove.
10057         (mcsync-anomaly, mspecld-anomaly): Add.
10058         * config/bfin/bfin.c: Include "insn-codes.h".
10059         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10060         (TARGET_DEFAULT_TARGET_FLAGS): New.
10061         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10062
10063 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10064
10065         * basic-block.h: Give the BB flags enum a name, bb_flags.
10066         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10067         * cfgcleanup.c (enum bb_flags): Remove here.
10068         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10069         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10070         (update_forwarder_flag): Likewise.
10071         (thread_jump): Likewise.
10072         (try_forward_edges): Likewise.
10073         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10074         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10075         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10076
10077 2005-07-11  Richard Guenther  <rguenther@suse.de>
10078
10079         * config/i386/i386.opt: New target option -msseregparm.
10080         * config/i386/i386.c (override_options): Error out for
10081         -msseregparm but no SSE support.
10082         (ix86_function_sseregparm): Check for global sseregparm.
10083         * doc/invoke.texi: Document -msseregparm.
10084
10085 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10086
10087         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10088         (m32rle-*-linux*): Ditto.
10089
10090 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10091
10092         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10093         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10094         bytes.
10095
10096 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10097
10098         PR middle-end/22239
10099         PR target/20126
10100         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10101         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10102
10103 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10104
10105         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10106         (varmap): Heapify varmap.
10107         (constraints): Heapify constraints.
10108         (struct constraint_graph): Heapify succs and preds.
10109         (constraint_vec_find): Update for heapification.
10110         (constraint_set_union): Ditto.
10111         (insert_into_complex): Ditto.
10112         (constraint_edge_vec_find): Ditto.
10113         (erase_graph_self_edge): Ditto.
10114         (add_graph_edge): Ditto.
10115         (get_graph_weights): Ditto.
10116         (merge_graph_nodes): Ditto.
10117         (build_constraint_graph): Ditto.
10118         (topo_visit): Ditto.
10119         (solve_graph): Ditto.
10120         (create_variable_info_for): Ditto.
10121         (init_base_vars): Ditto.
10122         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10123         (condese_varmap_nodes): Free complex vector.
10124         (clear_edges_for_node): Clear succs and preds vector.
10125
10126 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10127
10128         * tree-ssa-structalias.c (update_alias_info): Change counting of
10129         references to not include vdefs.
10130
10131 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10132
10133         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10134         (up_insert): Ditto.
10135
10136 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10137
10138         * pa.c (pa_commutative_p): Make PLUS commutative when
10139         TARGET_NO_SPACE_REGS is true.
10140
10141 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10142
10143         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10144         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10145         * tree-dfa.c (dump_subvars_for): New.
10146         (debug_subvars_for): New.
10147         (dump_variable): Show subvariables if VAR has them.
10148         * tree-flow-inline.h (get_subvar_at): New.
10149         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10150         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10151         Update all users.
10152         (struct subvar): Change fields offset and size to unsigned
10153         HOST_WIDE_INT.
10154         (dump_subvars_for): Declare.
10155         (debug_subvars_for): Declare.
10156         (get_subvar_at): Declare.
10157         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10158         to unsigned HOST_WIDE_INT *.
10159         (overlap_subvar): Likewise.
10160         * tree-gimple.c (is_gimple_reg): Always return false for
10161         SFTs and memory tags.
10162         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10163         Update all callers.
10164         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10165         (compute_may_aliases): Call compute_points_to_sets.
10166         (collect_points_to_info_for): Remove.
10167         (compute_points_to_and_addr_escape): Remove.
10168         (delete_alias_info): Call delete_points_to_sets.
10169         (compute_flow_sensitive_aliasing): If the call to
10170         find_what_p_points_to returns false, call set_pt_anything.
10171         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10172         (set_pt_anything): Clear pi->pt_vars.
10173         (set_pt_malloc): Remove.
10174         (merge_pointed_to_info): Remove.
10175         (add_pointed_to_expr): Remove.
10176         (add_pointed_to_var): Remove.
10177         (collect_points_to_info_r): Remove.
10178         (is_escape_site): Make extern.
10179         (create_sft): New.
10180         (create_overlap_variables_for): Call it.
10181         * tree-ssa-copy.c (merge_alias_info): Never merge
10182         flow-sensitive alias information.
10183         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10184         offset and size to be unsigned HOST_WIDE_INT.
10185         (add_to_addressable_set): Rename from note_addressable.
10186         Set TREE_ADDRESSABLE as the variables are added to the set.
10187         Update all users.
10188         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10189         operands into VUSEs when adding V_MAY_DEFs for members in an
10190         alias set.
10191         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10192         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10193         (struct variable_info): Add bitfield is_heap_var.
10194         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10195         (new_var_info): Initialize is_heap_var.
10196         (get_constraint_for): Add HEAP variables to the symbol table.
10197         Mark them with is_heap_var.
10198         (update_alias_info): New.  Taken mostly from the old
10199         compute_points_to_and_addr_escape.
10200         (handle_ptr_arith): New.
10201         (find_func_aliases): Call update_alias_info.
10202         Call handle_ptr_info for tcc_binary expressions.
10203         Call mark_stmt_modified.
10204         (create_variable_info_for): If DECL has subvars, do not create
10205         variables for its subvars.  Always add all the fields.
10206         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10207         SFTs, then add all the SFTs of the structure.
10208         If VI->DECL is an aggregate with subvariables, add the SFT at
10209         VI->OFFSET.
10210         (find_what_p_points_to): If VI is an artificial variable,
10211         translate to bitfields in SSA_NAME_PTR_INFO.
10212         If the solution is empty, set pi->pt_vars to NULL
10213         (init_base_vars): Create ANYOFFSET.
10214         (compute_points_to_sets): Rename from create_alias_vars.
10215         Make extern.
10216         (pass_build_pta): Remove.
10217         (delete_points_to_sets): Rename from delete_alias_vars.
10218         (pass_del_pta): Remove.
10219         * tree-ssa-structalias.h (struct alias_info): Move from
10220         tree-ssa-alias.h.
10221         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10222         NUM_REFERENCES_SET): Likewise.
10223         (compute_points_to_sets, delete_points_to_sets): Declare.
10224
10225 2005-07-09  Richard Henderson  <rth@redhat.com>
10226
10227         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10228         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10229         alpha_split_lock_test_and_set_12): New functions.
10230         * config/alpha/alpha-protos.h: Update.
10231         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10232         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10233         * config/alpha/sync.md (I12MODE): New.
10234         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10235         (sync_<fetchop_name><I48MODE>): Likewise.
10236         (sync_nand<I48MODE>): Likewise.
10237         (sync_old_<fetchop_name><I48MODE>): Likewise.
10238         (sync_new_<fetchop_name><I48MODE>): Likewise.
10239         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10240         (sync_compare_and_swap<I48MODE>): Likewise.
10241         (sync_lock_test_and_set<I48MODE>): Likewise.
10242         (sync_compare_and_swap<I12MODE>): New.
10243         (sync_compare_and_swap<I12MODE>_1): New.
10244         (sync_lock_test_and_set<I12MODE>): New.
10245         (sync_lock_test_and_set<I12MODE>_1): New.
10246
10247 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10248
10249         PR 21356
10250         PR 22332
10251         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10252
10253 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10254
10255         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10256         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10257
10258 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10259
10260         PR target/21656
10261         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10262
10263 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10264
10265         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10266         memory_operand constraint.
10267         (store_conditional_<mode>): Same.
10268         (sync_compare_and_swap<mode>): Same.
10269         (sync_lock_test_and_set<mode>): Same.
10270
10271 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10272
10273         Rewrite PIC support to more closely model actual instructions.
10274         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10275         (cris_symbol): Remove prototypes for removed functions.
10276         (cris_pic_symbol_type_of, cris_valid_pic_const)
10277         (cris_expand_pic_call_address): Prototypes for new functions.
10278         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10279         variable.
10280         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10281         modifiers.
10282         <case ':'>: Add case for new punctuation character.
10283         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10284         emitting (extra) PIC modifier.
10285         <case UNSPEC>: Do not assert for PLT.
10286         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10287         (cris_expand_prologue, cris_expand_epilogue): Check
10288         for pic_offset_table_rtx usage instead of taking
10289         current_function_uses_pic_offset_table as the final word.
10290         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10291         Remove flag_pic difference.
10292         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10293         the moral equivalents of...
10294         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10295         functions.
10296         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10297         (cris_handle_option): Mark ARG as unused.
10298         (cris_expand_pic_call_address): New worker function for "call",
10299         "call_value".
10300         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10301         output PIC constructs here.
10302         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10303         as symbol-specific modifers, not whole or part of operands.
10304         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10305         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10306         constants and flag_pic.
10307         (CONSTANT_INDEX_P): Adjust for new functions.
10308         (enum cris_pic_symbol_type): New helper type.
10309         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10310         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10311         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10312         define_constants.
10313         ("movsi"): Emit actual instructions for GOT and relative access.
10314         ("*movsi_got_load"): New pattern to set up the register holding
10315         the GOT pointer.
10316         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10317         Adjust FIXME for 'S'.
10318         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10319         Use "movs" for -fpic cases.
10320         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10321         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10322         ("call", "call_value"): Just call cris_expand_pic_call_address for
10323         PIC addresses.
10324         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10325         Remove special pattern.
10326         ("*expanded_call_side", "*expanded_call_value_side"): New
10327         patterns.
10328         (gotplt-to-plt, gotplt-to-plt-side-call)
10329         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10330         peephole2:s.
10331         * config/cris/cris/predicates.md
10332         ("cris_general_operand_or_gotless_symbol"): Remove unused
10333         predicate.
10334         ("cris_general_operand_or_symbol"): Adjust for new functions.
10335
10336 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10337
10338         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10339
10340 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10341
10342         * Makefile.in (TREE_H): Add treestruct.def.
10343         (c-decl.o): Add pointer-set.h
10344         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10345         visibility on regular DECL's.
10346         (merge_decls): Fix the copying of decl nodes of various types for
10347         the new structures.  Don't update RTL, section name, weak status,
10348         etc, on DECL's without RTL.
10349         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10350         Don't check volatile on non-variable types.
10351         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10352         to check whether we have seen arguments.
10353         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10354         flag is checked before field (flag is common, field is not).
10355         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10356         TS_DECL_COMMON could have an origin.
10357         (add_location_or_const_value_attribute): Don't check section name
10358         on non-var/function decls.
10359         (dwarf2out_var_location): Reverse order of tests.
10360         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10361         with DECL_WRTL_CHECK.
10362         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10363         * fold-const.c (fold_binary): Don't check weakness on
10364         non-var/function decls.
10365         (tree_expr_nonzero_p): Ditto.
10366         (fold_checksum_tree): Use tree_decl_extra as sizeof
10367         buffer.
10368         * ggc-page.c (extra_order_size_table): Add sizes for
10369         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10370         tree_field_decl.
10371         * gimplify.c (gimplify_bind_expr): Only set
10372         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10373         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10374         without RTL.
10375         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10376         * langhooks.h (init_ts). New langhook.
10377         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10378         * print-tree.c (print_node): Update to only print fields that
10379         exist in the structures the passed decl has.
10380         * toplev.c (wrapup_global_declarations): Don't reset
10381         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10382         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10383         * tree-inline.c (remap_decl): Ditto.
10384         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10385         * tree-pretty-print.c (print_declaration): Don't print
10386         DECL_REGISTER on things that don't contain it.
10387         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10388         non-var/function decls.
10389         * tree.c (tree_contains_struct): New structure.
10390         (init_priority_for_decl): New hashtable.
10391         (tree_int_map): New structure.
10392         (tree_int_map_eq): New function.
10393         (tree_int_map_marked_p): Ditto.
10394         (tree_int_map_hash): Ditto.
10395         (tree_map): Move to tree.h.
10396         (tree_map_eq): Externalize.
10397         (tree_map_hash): Ditto.
10398         (tree_map_marked_p): Ditto.
10399         (init_ttree): Set up tree_contains_struct and call langhook.
10400         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10401         (tree_code_size): Update for new structures.
10402         (tree_node_structure): Update for new structures.
10403         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10404         without the field.
10405         (copy_node_stat):  Copy init priority.
10406         (build_decl_stat): Ditto for visibility.
10407         (ts_enum_names): New.
10408         (tree_contains_struct_check_failed): New function.
10409         (decl_init_priority_lookup): Ditto.
10410         (decl_init_priority_insert): Ditto.
10411         * treestruct.def: New file.
10412         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10413         (CONTAINS_STRUCT_CHECK): Ditto.
10414         (tree_contains_struct_check_failed): New prototype.
10415         (DECL_CHECK): Removed.
10416         (DECL_MINIMAL_CHECK): New.
10417         (DECL_COMMON_CHECK): Ditto.
10418         (DECL_WRTL_CHECK): Ditto.
10419         (DECL_NON_COMMON_CHECK): Ditto.
10420         (DECL_WITH_VIS_CHECK): Ditto.
10421         (VAR_OR_FUNCTION_DECL_P): Ditto
10422         (struct tree_decl_minimal): New structure.
10423         (struct tree_decl_common): Ditto.
10424         (struct tree_decl_with_rtl): Ditto.
10425         (struct tree_decl_with_vis): Ditto.
10426         (struct tree_decl_non_common): Ditto.
10427         (struct tree_field_decl): Ditto.
10428         (struct tree_parm_decl): Ditto.
10429         (struct tree_var_decl): Ditto.
10430         (struct tree_function_decl): Ditto.
10431         (struct tree_const_decl): Ditto.
10432         (struct tree_result_decl): Ditto.
10433         (union tree_node): Add new structures.
10434         * var-tracking.c (track_expr_p): Reverse order of tests.
10435
10436         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10437
10438 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10439
10440         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10441         * system.h: Poison FINALIZE_PIC.
10442         * doc/tm.texi (FINALIZE_PIC): Remove.
10443
10444 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10445
10446         PR tree-opt/22329
10447         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10448         to the correct type if we have a MODIFY_EXPR.
10449
10450 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10451
10452         PR tree-optimization/22360
10453         * tree.c (upper_bound_in_type): Fix calculations for casting
10454         to a non-wider signed type and casting a signed value to a
10455         wider unsigned type.
10456         (lower_bound_in_type): Fix calculations for casting to a
10457         non-wider signed type.
10458
10459         PR tree-optimization/20139
10460         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10461         release_defs.
10462         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10463         fold_cond_expr_cond.
10464         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10465         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10466
10467 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10468
10469         PR tree-opt/22356
10470         * tree-complex.c (expand_complex_libcall): Produce
10471         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10472
10473 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10474
10475         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10476         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10477         b" assert and inserted fastpath code for this case.
10478         (bitmap_ior): Removed "a != b" assert.
10479
10480 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10481
10482         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10483         (ENDFILE_SPEC): Likewise.
10484         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10485
10486         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10487         a large stack frame at epilogue.
10488
10489 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10490
10491         * final.c: Include sdbout.h when required.
10492
10493 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10494
10495         * config.gcc (*-*-darwin*): Only one target-specific header file
10496         for generic darwin.
10497         (powerpc-*-darwin*): Add version-specific header files.
10498         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10499         * config.in: Regenerate.
10500         * configure: Regenerate.
10501         * gcc.c: Include xregex.h.
10502         (version_compare_spec_function): New.
10503         (spec_function): Add version-compare.
10504         (replace_outfile_spec_function): Reformat comment.
10505         (compare_version_strings): New.
10506         * config/darwin-c.c (version_as_macro): New.
10507         (builtin_define): New.
10508         (darwin_cpp_builtins): New.
10509         * config/darwin-protos.h (darwin_cpp_builtins): New.
10510         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10511         (LIB_SPEC): Make unconditional, update comment.
10512         (TARGET_C99_FUNCTIONS): Define.
10513         * config/darwin.opt: Sort.
10514         (mmacosx-version-min=): New.
10515         * config/darwin7.h: Delete.
10516         * config/darwin8.h: Delete.
10517         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10518         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10519         (TARGET_C99_FUNCTIONS): Define.
10520         * config/rs6000/darwin7.h: New.
10521         * config/rs6000/darwin8.h: New.
10522         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10523         (-mmacosx-version-min): Document.
10524
10525 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10526
10527         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10528
10529 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10530
10531         PR middle-end/22239
10532         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10533
10534 2005-07-07  Khem Raj  <kraj@mvista.com>
10535
10536         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10537         in bytes, not words.
10538
10539 2005-07-07  Paul Brook  <paul@codesourcery.com>
10540
10541         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10542         DEFAULT_FUNCTION_ARG_PADDING to upward.
10543
10544 2005-07-07  Richard Henderson  <rth@redhat.com>
10545
10546         * function.c (locate_and_pad_parm): Record parameter alignment in
10547         stack_alignment_needed.
10548
10549 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10550
10551         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10552         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10553         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10554         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10555         (define_attr "type"): Add isync, sync, load_l, store_c.
10556         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10557         Create scratch volatile MEM.
10558         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10559         sync.
10560         (load_locked_<mode>): New.
10561         (store_conditional_<mode>): New.
10562         (sync_compare_and_swap<mode>): Replace with splitter.
10563         (sync_lock_test_and_set<mode>): Replace with splitter.
10564         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10565         and UNSPECV_ISYNC.
10566         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10567         is ics.  Attribute isync.
10568         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10569         lwsync.
10570         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10571         and UNSPECV_SYNC_OP.
10572         (emit_unlikely_jump): New.
10573         (emit_load_locked): New.
10574         (emit_store_conditional): New.
10575         (rs6000_split_compare_and_swap): New.
10576         (rs6000_split_lock_test_and_set): New.
10577         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10578         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10579         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10580         rs6000_split_lock_test_and_set): Declare.
10581         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10582         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10583         store_c, isync, sync.
10584
10585 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10586
10587         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10588         filenames to gtyp-gen.h.
10589         (s-typ-gen): Use it in place of for loops.
10590
10591 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10592
10593         * hooks.c (hook_bool_rtx_int_false): New function.
10594         * hooks.h (hook_bool_rtx_int_false): Declare.
10595         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10596         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10597         * target.h (struct gcc_target): Add commutative_p member.
10598         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10599         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10600         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10601         (pa_commutative_p): New function.
10602         * jump.c (target.h): Include.
10603         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10604         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10605
10606 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10607
10608         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10609         (s390_expand_setmem): New.
10610         * config/s390/s390.c: Likewise.
10611         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10612         Adapt comments.
10613         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10614         general_operand.  Call new function "s390_expand_setmem".
10615         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10616         ("setmem_long", "*setmem_long"): ... this.
10617
10618 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10619
10620         * config/s390/s390.c: (optimization_options): Enable
10621         TARGET_MVCLE at -Os.
10622         * doc/invoke.texi: Document changes in default behaviour.
10623         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10624
10625 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10626
10627         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10628         defined by back-end.
10629
10630 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10631
10632         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10633         all sets in the pattern.
10634         * config/rs6000/rs6000.md (stack_protect_testsi,
10635         stack_protect_testdi): Likewise.
10636
10637 2005-07-06  Jeff Law  <law@redhat.com>
10638
10639         * tree-vrp.c (simplify_using_ranges): Kill.
10640         (vrp_finalize): Remove call to simplify_using_ranges.
10641         (simplify_stmt_using_ranges): New function extracted from
10642         simplify_using_ranges.
10643         (simplify_div_or_mod_using_ranges): Likewise.
10644         (simplify_abs_using_ranges): Likewise.
10645         (simplify_cond_using_ranges): New function.
10646         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10647         * tree-ssa-propagate.c (substitute_and_fold): Call
10648         simplify_stmt_using_ranges if we have range information.
10649
10650 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10651
10652         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10653         ia64_flag_schedule_isns2.
10654
10655         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10656         reading/writing general registers.
10657         (ia64_function_arg): Revert 2005-06-18 change.
10658
10659 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10660
10661         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10662         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10663
10664 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10665
10666         * function.c (expand_function_end): Revert part of 2005-06-27
10667         patch.  Do sjlj_emit_function_exit_after after return_label.
10668
10669 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10670
10671         * doc/install.texi (--disable-libssp): New.
10672
10673 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10674
10675         * doc/invoke.texi: Update -fforce-mem documentation.
10676         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10677         code for -fforce-mem.
10678         * expmed.c: (store_bit_field,store_fixed_bit_field,
10679         extract_bit_field): Ditto.
10680         * expr.c: (convert_move): Ditto.
10681         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10682         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10683         emit_conditional_add,expand_float,expand_fix): Ditto.
10684         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10685         (common_handle_option): Issue warning when -fforce-mem specified.
10686
10687 2005-07-06  Paul Brook  <paul@codesourcery.com>
10688
10689         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10690         argument is empty.
10691         * configure: Regenerate.
10692
10693 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10694
10695         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10696
10697 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10698
10699         Fix PR tree-optimization/22319
10700         Fix PR tree-optimization/22140
10701         Fix PR tree-optimization/22310
10702
10703         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10704         variable sized types.
10705         Use correct type for intermediate structure on *a = *b structure
10706         copies.
10707
10708 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10709
10710         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10711         Remove.
10712         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10713         (machine_function): Move typedef to...
10714         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10715         varargs_save_offset field.
10716         (rs6000_stack_t): Remove varargs_size field.
10717         (setup_incoming_varargs): Allocate varargs save area using
10718         assign_stack_local, try to make it as small as possible.
10719         Save offset from virtual_stack_vars_rtx to the save area
10720         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10721         instead of magic 8 when fp word byte size is used.
10722         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10723         instead of -RS6000_VARARGS_SIZE.
10724         (rs6000_stack_info, debug_stack_info,
10725         rs6000_initial_elimination_offset): Remove all traces of
10726         varargs_size.
10727         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10728         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10729         RS6000_VARARGS_AREA.
10730
10731 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10732
10733         PR tree-optimization/21963
10734         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10735         constant_multiple_of in the same way get_computation_cost_at does.
10736
10737 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10738
10739         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10740         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10741         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10742         and return its previous value.
10743         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10744         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10745         constants.
10746         (stack_protect_set, stack_protect_test): New expanders.
10747         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10748         stack_protect_testdi): New insns.
10749         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10750         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10751
10752 2005-07-06  Jeff Law  <law@redhat.com>
10753
10754         * tree-ssa-dce.c (cfg_altered): New global.
10755         (tree_dce_init): Initialize cfg_altered.
10756         (remove_dead_stmt): If we remove an edge in the CFG, then set
10757         CFG_ALTERED.
10758         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10759         the dominators.
10760
10761 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10762
10763         * Makefile.in (stamp-collect-ld): Use
10764         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10765         ./collect-ld if it already exists.
10766         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10767         Don't remove ./nm if it already exists.
10768
10769 2005-07-05  Devang Patel  <dpatel@apple.com>
10770
10771         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10772         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10773         * tree-vectorizer.c (vect_loop_location): New.
10774         (vect_print_dump_info): Use vect_loop_location.
10775         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10776         (vectorize_loops): Set vect_loop_location.
10777         * tree-vect-analyze.c (vect_analyze_offset_expr,
10778         vect_determin_vectorization_factor, vect_analyze_operations,
10779         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10780         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10781         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10782         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10783         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10784         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10785         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10786         vect_analyze_loop): Adjust vect_print_dump_info API.
10787         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10788         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10789         vect_finish_stmt_generation, vectorizable_assignment,
10790         vectorizable_operation, vectorizable_store, vectorizable_load,
10791         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10792         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10793         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10794         vect_transform_loop): Same.
10795         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10796         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10797         Same.
10798
10799 2005-07-05  Randolph Chung  <tausq@debian.org>
10800
10801         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10802         * configure: Regenerate.
10803         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10804         (pa_tls_referenced_p): Declare.
10805         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10806         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10807         (legitimize_tls_address): New.
10808         (hppa_legitimize_address): Handle TLS addresses.
10809         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10810         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10811         (emit_move_sequence): Handle TLS addresses.
10812         (pa_encode_section_info): Call default handler to handle common
10813         sections.
10814         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10815         (CONSTANT_ADDRESS_P): Reject TLS operands.
10816         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10817         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10818         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10819         (UNSPEC_TLSLE): Define new constants.
10820         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10821         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10822         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10823         (tie_symbolic_operand, tle_symbolic_operand): New
10824
10825 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10826
10827         * aclocal.m4: Update macros for autoconf 2.59 style.
10828         * configure.ac: Likewise.
10829
10830 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10831
10832         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10833         (function_arg): Pass small aggregates in general registers on 32-bit
10834         targets.
10835         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10836
10837 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10838
10839         * Makefile.in (final.o): Fix dependencies.
10840
10841 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10842
10843         PR c/22013
10844         PR c/22098
10845         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10846         * langhooks.c (lhd_expr_to_decl): New.
10847         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10848         New.
10849         (LANG_HOOKS_INITIALIZER): Update.
10850         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10851         expr_to_decl langhook.
10852         * c-tree.h (c_expr_to_decl): Declare.
10853         * c-typeck.c (c_expr_to_decl): New.
10854         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10855         specially.
10856         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10857
10858 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10859
10860         PR c/22308
10861         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10862         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10863
10864 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10865
10866         * Makefile.in: Adjust dependencies.
10867         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10868         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10869         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10870         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10871         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10872         rest_of_compilation.
10873
10874         * bb-reorder.c (gate_duplicate_computed_gotos,
10875         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10876         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10877         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10878         pass_partition_blocks): New.
10879         * bt-load.c (gate_handle_branch_target_load_optimize,
10880         rest_of_handle_branch_target_load_optimize,
10881         pass_branch_target_load_optimize): New.
10882         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10883         pass_jump2): New.
10884         * cfglayout.c (pass_insn_locators_initialize): New.
10885         * cfgrtl.c (pass_free_cfg): New.
10886         * combine.c (gate_handle_combine, rest_of_handle_combine,
10887         pass_combine): New.
10888         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10889         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10890         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10891         * except.c (pass_set_nothrow_function_flags,
10892         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10893         pass_rtl_eh): New.
10894         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10895         rest_of_handle_shorten_branches, pass_shorten_branches,
10896         rest_of_clean_state, pass_clean_state): New.
10897         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10898         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10899         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10900         pass_flow2): New.
10901         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10902         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10903         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10904         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10905         pass_gcse): New.
10906         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10907         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10908         pass_rtl_ifcvt, gate_handle_if_after_combine,
10909         rest_of_handle_if_after_combine, pass_if_after_combine,
10910         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10911         pass_if_after_reload): New.
10912         * integrate.c (pass_initial_value_sets): New.
10913         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10914         pass_purge_lineno_notes): New.
10915         * mode-switching.c (rest_of_handle_mode_switching,
10916         pass_mode_switching): New.
10917         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10918         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10919         pass_loop2): New.
10920         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10921         pass_loop_optimize): New.
10922         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10923         pass_sms): New.
10924         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10925         pass_gcse2): New.
10926         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10927         pass_postreload_cse): New.
10928         * profile.c (gate_handle_profiling, pass_profiling,
10929         rest_of_handle_branch_prob, pass_branch_prob): New.
10930         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10931         pass_split_before_regstack, gate_handle_split_before_regstack,
10932         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10933         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10934         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10935         pass_stack_regs): New.
10936         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10937         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10938         pass_stack_adjustments): New.
10939         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10940         pass_regrename): New.
10941         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10942         pass_delay_slots, gate_handle_machine_reorg,
10943         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10944         * rtl.h (extern void purge_line_number_notes): New.
10945         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10946         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10947         pass_sched2): New.
10948         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10949         pass_tracer): New.
10950         * value-prof.c (gate_handle_value_profile_transformations,
10951         rest_of_handle_value_profile_transformations,
10952         pass_value_profile_transformations): New.
10953         * var-tracking.c (gate_handle_var_tracking,
10954         pass_variable_tracking): New.
10955         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10956
10957         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10958         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10959         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10960         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10961         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10962         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10963         rest_of_handle_gcse2, rest_of_handle_regmove,
10964         rest_of_handle_tracer, rest_of_handle_if_conversion,
10965         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10966         rest_of_handle_web, rest_of_handle_branch_prob,
10967         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10968         rest_of_handle_jump_bypass, rest_of_handle_combine,
10969         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10970         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10971         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10972         rest_of_handle_mode_switching, rest_of_handle_jump,
10973         rest_of_handle_eh, rest_of_handle_stack_adjustments,
10974         rest_of_handle_flow2, rest_of_handle_jump2,
10975         rest_of_handle_peephole2, rest_of_handle_postreload,
10976         rest_of_handle_shorten_branches, rest_of_clean_state,
10977         rest_of_compilation): Remove.
10978
10979         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10980         * passes.c (dump_flags, in_gimple_form, all_passes,
10981         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10982         register_dump_files, next_pass_1, last_verified, execute_todo,
10983         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10984         from tree-optimize.c.
10985         (init_optimization_passes): Moved from tree-optimize.c,
10986         adding the RTL optimizations.
10987         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10988         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10989         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10990         register_dump_files, next_pass_1, last_verified, execute_todo,
10991         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10992         init_tree_optimization_passes, ipa_passes): Delete.
10993         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10994         the RTL dumps.
10995         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10996         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10997         from tree.h.
10998         (ipa_passes): Remove.
10999         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11000         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11001         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11002         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11003         (dump_info_p, dump_flag): Moved to tree-dump.h.
11004
11005         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11006         cgraph.c, opts.c.
11007         * passes.c (finish_optimization_passes): Use dump_begin
11008         and dump_end, TDI_end.
11009         (gate_rest_of_compilation): New.
11010         (pass_rest_of_compilation): Use it.
11011         (gate_postreload, pass_postreload): New.
11012         * toplev.c (general_init): Rename init_tree_optimization_passes.
11013         * toplev.h (init_tree_optimization_passes): Rename to
11014         init_optimizations_passes.
11015         * tree-dump.c (dump_flag): Make static.
11016         (dump_files): Remove RTL dumps.
11017         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11018         pass_cleanup_cfg, pass_free_cfg_annotations,
11019         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11020         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11021         * tree-pretty-print.c: Include tree-pass.h.
11022         * cgraph.c: Include tree-dump.h.
11023
11024 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11025
11026         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11027         Only fall back to saying it points to readonly memory if
11028         we can't do better.
11029
11030 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11031
11032         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11033         * config/m32r/m32r.c (m32r_compute_frame_size,
11034         m32r_expand_prologue): Take current_function_profile into
11035         account whenever we reference
11036         current_function_uses_pic_offset_table.
11037         (m32r_finalize_pic): Remove.
11038         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11039
11040 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11041
11042         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11043         instead of $<.  Don't remove ./as if it already exists.
11044
11045 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11046
11047         PR target/21723
11048         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11049         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11050         for complex modes when generating code for PA 1.0.
11051         (VALID_FP_MODE_P): New macro.
11052         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11053         sets for all general and floating point modes.  Align wide floating
11054         point modes to even register boundaries to comply with architectural
11055         requirements.
11056         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11057         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11058         (VALID_FP_MODE_P): New macro.
11059         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11060         sets for all general and floating point modes.  Align wide floating
11061         point modes to even register boundaries to comply with architectural
11062         requirements.
11063
11064 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11065
11066         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11067         to 0.
11068
11069 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11070
11071         * tree-ssa-structalias.c: Don't include expr.h.
11072
11073 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11074
11075         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11076         comments.
11077
11078 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11079
11080         Fix PR tree-optimization/22279
11081
11082         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11083         correct operator.
11084
11085 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11086
11087         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11088
11089 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11090
11091         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11092         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11093         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11094         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11095         config/stormy16/stormy16.c, config/v850/v850.c,
11096         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11097         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11098         Avoid "." or "\n" at end of diagnostics and capital letters at
11099         start of diagnostics.
11100         * combine.c, cse.c: Don't translate dump file output.
11101         * toplev.c (print_version): Only translate output if going to
11102         stderr.
11103
11104 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11105
11106         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11107         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11108         typos.
11109
11110 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11111
11112         * pa.c (fix_range): Fix typo in comment.
11113
11114 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11115
11116         * tree-vrp.c (extract_range_from_assert): Replace
11117         fold (build (...)) with fold_build2.
11118
11119 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11120
11121         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11122         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11123         (format_types_orig, handle_format_attribute): Add support for
11124         format "gcc_gfc".
11125
11126 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11127
11128         * varasm.c (assemble_variable): Fix format specifier thinko.
11129
11130 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11131
11132         PR tree-optimization/22029 (and 22135)
11133         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11134         a phi node before calling dump_vops.
11135
11136 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11137
11138         * tree-dump.h (dump_string_field): Declare.
11139         * tree-dump.c: Use it instead of dump_string.
11140         (dump_string_field): Make non-static.
11141
11142 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11143
11144         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11145         up the minimal CFG stuff always when optimize > 0.  Call
11146         split_all_insns_noflow in PIC case if needed.
11147
11148 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11149             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11150
11151         PR c++/18279
11152         * c-decl.c (c_write_global_declarations): Dump contents of
11153         external scope to.
11154         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11155         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11156         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11157         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11158         is enabled.
11159
11160 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11161
11162         * c-common.h (GCC_DIAG_STYLE): Define.
11163         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11164         version for format checking to 4.1.
11165         * c-format.c: Include toplev.h after c-common.h.
11166         (enum format_type): Add gcc_tdiag_format_type.
11167         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11168         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11169         (format_types_orig): Add gcc_tdiag.
11170         (init_dynamic_diag_info): Support gcc_tdiag formats.
11171         (handle_format_attribute): Likewise.
11172         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11173         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11174         version for format checking to 4.1.
11175         (warning0, warning, error, pedwarn, sorry): Use
11176         ATTRIBUTE_GCC_DIAG.
11177         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11178         (finish_aliases_1): Do not use %qE.
11179         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11180         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11181         Correct format bugs.
11182         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11183         parameter to unsigned HOST_WIDE_INT.
11184         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11185
11186 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11187
11188         PR middle-end/21742
11189         * expr.c (write_complex_part): Use adjust_address for MEM.
11190         (read_complex_part): Same.
11191
11192 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11193
11194         Fix PR tree-optimization/22280
11195
11196         * tree-sra.c (generate_element_init): Remove useless loop.
11197
11198 2005-07-02  Richard Henderson  <rth@redhat.com>
11199
11200         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11201         TLS_MODEL_NONE.
11202         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11203
11204 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11205
11206         PR middle-end/14490
11207         * fold-const.c (fold_binary): Handle the return value of
11208         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11209         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11210
11211 2005-07-02  Jeff Law  <law@redhat.com>
11212
11213         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11214         a eliminate type conversion which feeds an equality comparison
11215         if the original type or either operand in the comparison is a
11216         function pointer.
11217
11218 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11219
11220         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11221         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11222         texts.
11223         * config/avr/avr.c: Do not use '`' as left quote.
11224         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11225         Remove "." from end of diagnostics.  Make diagnostics start with
11226         lowercase letter.
11227
11228 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11229             Joseph S. Myers  <joseph@codesourcery.com>
11230
11231         * toplev.c (default_tree_printer): Handle setting location with
11232         '+' flag.
11233         * c-objc.common.c (c_tree_printer): Likewise.
11234         * c-format.c (gcc_diag_flag_specs): Add '+'.
11235         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11236         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11237         formats.
11238         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11239         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11240         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11241         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11242         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11243         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11244         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11245         format arguments where %J is used without %D.
11246
11247 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11248
11249         * gcc.c (LINK_SSP_SPEC): Define.
11250         (link_ssp_spec): New variable.
11251         (LINK_COMMAND_SPEC): Add %(link_ssp).
11252         (static_specs): Add link_ssp_spec.
11253         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11254         * configure: Rebuilt.
11255         * config.in: Rebuilt.
11256
11257         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11258         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11259         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11260         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11261         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11262         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11263         -0x7008(2) instead of reading __stack_chk_guard variable.
11264         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11265         number.
11266         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11267         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11268         if TARGET_THREAD_SSP_OFFSET is defined.
11269         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11270         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11271
11272         Revert:
11273         2005-06-27  Richard Henderson  <rth@redhat.com>
11274         * libgcc-std.ver (GCC_4.1.0): New.
11275         * libgcc.h (__stack_chk_guard): Declare.
11276         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11277         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11278         * mklibgcc.in (lib2funcs): Add them.
11279
11280 2005-07-01  Richard Henderson  <rth@redhat.com>
11281
11282         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11283         void * before struct sigcontext *.
11284         (x86_fallback_frame_state): Likewise.
11285
11286 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11287
11288         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11289
11290 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11291
11292         PR tree-opt/22269
11293         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11294         we check for SSA_NAME for.
11295
11296 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11297
11298         Fix PR tree-optimization/22071
11299
11300         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11301         function.
11302         (get_constraint_for_component_ref): Use it.
11303
11304 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11305
11306         PR other/22264
11307         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11308         print out the last new line.
11309
11310 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11311
11312         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11313         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11314         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11315         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11316         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11317         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11318         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11319         (enum reg_class): New member CC0_REGS.
11320         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11321         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11322         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11323         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11324         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11325         Adjust for register now described.
11326
11327 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11328
11329         PR target/22262
11330         * config/i386/i386.md (stack_protect_test_si,
11331         stack_protect_test_di): Add earlyclobber for scratch 3.
11332         * config/rs6000/rs6000.md (stack_protect_testsi,
11333         stack_protect_testdi): Add earlyclobber for scratch 3,
11334         remove earlyclobber from scratch 4.
11335
11336 Older entries for 2005 can be found in ChangeLog-2005.