re PR target/25212 (unrecognizable insn for facerec with odd optimization set)
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
2
3         PR target/25212
4         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
5         tests further when !strict && reload_in_progress.
6         (print_operand): Check that both operands of indexed address are regs.
7         (print_operand_address): Likewise.
8         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
9         (INT_REG_OK_FOR_BASE_P): Correct.
10
11 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
12
13         Preparation for PR rtl-optimization/20070 / part1
14         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
15         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
16         outgoing_edges_match.
17         (outgoing_edges_match): Use condjump_equiv_p.
18         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
19         into..
20         * struct-equiv.c: New file.
21         (death_notes_match_p) New function, broken out of insns_match_p.
22         * Makefile.in (OBJS-common): Add struct-equiv.o.
23         (struct-equiv.o): New target.
24
25 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
26
27         * coretypes.h: Revert previous change.
28         * config/darwin.h: Revert previous reversion.
29         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
30
31 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
32
33         * coretypes.h (section): Provide dummy definition for target files.
34         * config/darwin.h: Revert previous change.
35
36 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
37
38         * doc/sourcebuild.texi (all.build, install-normal): Remove.
39         * configure.ac: Remove all.build and install-normal from target_list
40         * configure: Regenerate.
41         * Makefile.in (install): Don't depend on install-normal.
42
43 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
44
45         * Makefile.in: Document the use of stamps.
46
47 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
48
49         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
50         * Makefile.in: Add code to compute some dependencies on s-gtype
51         automatically.  Remove the declaration of those dependencies.
52
53 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
54
55         * gcc/reload.c (push_secondary_reload): Fix typo:
56         s/insn_constraint/scratch_constraint/.
57
58 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
59
60         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
61
62 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
63
64         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
65         (alpha_elf_select_rtx_section): Return the selected section rather
66         than emitting assembly code.
67         (alpha_write_linkage): Emit a ".link" directive directly and then
68         set in_section to NULL.
69         (vms_asm_out_constructor): Use switch_to_section.
70         (vms_asm_out_destructor): Likewise.
71         (unicosmk_output_common): Set in_section to NULL instead of calling
72         the dummy common_section function.
73         (unicosmk_text_section): Delete in favor of...
74         (unicosmk_output_text_section_asm_op): ...this new function.
75         (unicosmk_data_section): Delete in favor of...
76         (unicosmk_output_data_section_asm_op): ...this new function.
77         (unicosmk_init_sections): New function.
78         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
79         (unicosmk_output_ssib): Set in_section to NULL instead of calling
80         the dummy ssib_section function.
81         (unicosmk_section_buf): Delete.
82         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
83         (unicosmk_data_section): Delete.
84         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
85         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
86         (SECTION_FUNCTION_TEMPLATE): Delete.
87         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
88         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
89         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
90         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
91         (TARGET_ASM_INIT_SECTIONS): Define.
92         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
93         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
94         (link_section, literals_section): Delete.
95         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
96         set in_section to NULL.
97
98         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
99         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
100         (COMMON_SECTION): Delete.
101         (TARGET_ASM_INIT_SECTIONS): Define.
102         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
103         the dummy common_section function.
104         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
105         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
106         between readonly_data_section and text_section to check whether
107         read-only data is being put in the text section.
108         (arm_output_function_epilogue): Use switch_to_section.
109         (arm_elf_asm_constructor): Likewise.
110         (thumb_call_via_reg): Replace call to in_text_section with
111         a comparison between in_section and text_section.
112         (arm_file_end): Use switch_to_section.
113         (aof_text_section): Delete in favor of...
114         (aof_output_text_section_asm_op): ...this new function.
115         (aof_data_section): Delete in favor of...
116         (aof_output_data_section_asm_op): ...this new function.
117         (aof_asm_init_sections): New function.
118         (zero_init_section): Moved from config/arm/aof.h.
119         (aof_dump_imports, aof_file_start): Use switch_to_section.
120         * config/arm/arm.h (thumb_call_via_label): Update comment.
121         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
122         (common_section): Delete.
123         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
124         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
125         global switch_to_section function instead of the old port-local one.
126         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
127         (SWITCH_TO_SECTION_FUNCTION): Delete.
128         (drectve_section): Redefine as a macro.
129         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
130         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
131         switch_to_section.
132
133         * config/avr/avr.c (progmem_section): New variable.
134         (avr_output_progmem_section_asm_op): New function.
135         (avr_asm_init_sections): New function.
136         (avr_output_addr_vec_elt): Use switch_to_section.
137         * config/avr/avr.h (progmem_section): Declare.
138         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
139         (READONLY_DATA_SECTION): Delete.
140         (TARGET_ASM_INIT_SECTIONS): Define.
141         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
142         * config/avr/avr-protos.h (progmem_section): Delete.
143
144         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
145
146         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
147         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
148
149         * config/darwin-sections.def: New file.
150         * config/darwin.c: Define all sections in darwin-sections.def.
151         (output_objc_section_asm_op, darwin_init_sections): New functions.
152         (machopic_output_indirection): Use switch_to_section.
153         (machopic_select_section): Return the selected section rather than
154         emitting assembly code.  Replace the static function table with
155         inline conditional expressions.  Update the tests of last_text_section
156         and move them into the FUNCTION_DECL block.
157         (machopic_select_rtx_section): Return the selected section rather than
158         emitting assembly code.
159         (machopic_asm_out_constructor, machopic_asm_out_destructor)
160         (darwin_file_end): Use switch_to_section.
161         * config/darwin.h: Use darwin-sections.def to declare sections.
162         (INIT_SECTION_ASM_OP): Remove empty definition.
163         (HAS_INIT_SECTION): Define this instead.
164         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
165         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
166         (TARGET_ASM_EH_FRAME_SECTION): Delete.
167         (TARGET_ASM_INIT_SECTIONS): Define.
168         * config/darwin-protos.h (darwin_init_sections): Declare.
169         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
170         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
171         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
172         (constructor_section, destructor_section, mod_init_section): Delete.
173         (mod_term_section): Delete.
174         (darwin_exception_section, darwin_eh_frame_section): Delete.
175         (machopic_select_section): Return a section.
176         (machopic_select_rtx_section): Likewise.
177         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
178         (const_section, const_coal_section, const_data_section): Delete.
179         (const_data_coal_section, data_coal_section, cstring_section): Delete.
180         (literal4_section, literal8_section, constructor_section): Delete.
181         (mod_init_section, mod_term_section, destructor_section): Delete.
182         (objc_class_section, objc_meta_class_section, objc_category_section)
183         (objc_class_vars_section, objc_instance_vars_section): Delete.
184         (objc_cls_meth_section, objc_inst_meth_section): Delete.
185         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
186         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
187         (objc_symbols_section, objc_module_info_section): Delete.
188         (objc_image_info_section, objc_protocol_section): Delete.
189         (objc_string_object_section, objc_constant_string_object_section)
190         (objc_class_names_section, objc_meth_var_names_section): Delete.
191         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
192         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
193         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
194         (darwin_exception_section, darwin_eh_frame_section): Delete.
195         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
196
197         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
198         (frv_asm_out_destructor): Likewise.
199         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
200         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
201         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
202         get_named_section.
203         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
204         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
205         (data_section): Delete.
206
207         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
208         (DRECTVE_SECTION_FUNCTION): Delete.
209         (drectve_section): Redefine as a macro that sets in_section after
210         emitting the directive.
211         (SWITCH_TO_SECTION_FUNCTION): Delete.
212         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
213         in_text_section with comparison between in_section and text_section.
214         * config/i386/i386.c (x86_64_elf_select_section): Return the section
215         rather than emitting assembly code.  Use get_named_section.
216         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
217         get_named_section.
218         (machopic_output_stub): Use switch_to_section.
219         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
220         (nwld_named_section_asm_out_destructor): Use get_section and
221         switch_to_section.
222
223         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
224         rather than emitting assembly code.
225         (ia64_rwreloc_select_section): Likewise.
226         (ia64_rwreloc_select_rtx_section): Likewise.
227         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
228         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
229         switch_to_section.
230         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
231         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
232
233         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
234         section rather than emitting assembly code.
235         (iq2000_select_section): Likewise.
236         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
237         (sbss_section): Delete.
238
239         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
240         and get_named_section.
241         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
242
243         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
244         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
245         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
246         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
247         in_section to NULL.
248         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
249         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
250         global switch_to_section function instead of the old port-local one.
251         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
252         (SWITCH_SECTION_FUNCTION): Delete.
253         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
254         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
255         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
256         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
257         in_section to NULL.
258         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
259         global switch_to_section function instead of the old port-local one.
260         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
261
262         * config/mips/mips.c (mips_file_start): Update comment.
263         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
264         (mips_output_aligned_decl_common): Use switch_to_section.
265         (mips_select_rtx_section): Return the section rather than emitting
266         assembly code.  Use get_named_section.
267         (mips_function_rodata_section: Likewise get_section.
268         (build_mips16_function_stub): Use switch_to_section.
269         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
270         (SDATA_SECTION_ASM_OP): Delete.
271         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
272         (EXTRA_SECTION_FUNCTIONS): Delete.
273
274         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
275         (mmix_asm_output_aligned_local): Use switch_to_section.
276
277         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
278         (som_one_only_readonly_data_section): New variables.
279         (pa_output_function_epilogue): Set in_section to NULL instead of
280         calling forget_section.
281         (output_deferred_plabels): Use select_section.
282         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
283         of calling forget_section.
284         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
285         (pa_asm_output_aligned_local): Use select_section.
286         (som_text_section_asm_op): Delete in favor of...
287         (som_output_text_section_asm_op): ...this new function.
288         (pa_som_asm_init_sections): New function.
289         (pa_select_section): Return the section rather than emitting
290         assembly code.
291         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
292         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
293         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
294         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
295         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
296         (som_readonly_data_section, som_one_only_readonly_data_section)
297         (som_one_only_data_section, forget_section): Delete.
298         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
299         (TARGET_ASM_INIT_SECTIONS): Define.
300         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
301
302         * config/rs6000/rs6000.c (read_only_data_section): New variable.
303         (private_data_section, read_only_private_data_section): New variables.
304         (sdata2_section, toc_section): New variables.
305         (rs6000_file_start): Use switch_to_section.
306         (rs6000_assemble_integer): Use comparisons against in_section
307         instead of calling in_toc_section and in_text_section.  Use
308         unlikely_text_section_p.
309         (rs6000_elf_output_toc_section_asm_op): New function, derived
310         from the old rs6000/sysv4.h toc_section function.
311         (rs6000_elf_asm_init_sections): New function.
312         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
313         the section rather than emitting assembly code.
314         (machopic_output_stub): Use switch_to_section.
315         (toc_section): Delete dummy function.
316         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
317         switch_to_section and get_section.
318         (rs6000_xcoff_output_readonly_section_asm_op): New function.
319         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
320         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
321         the old rs6000/xcoff.h toc_section function.
322         (rs6000_xcoff_asm_init_sections): New function.
323         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
324         the section rather than emitting assembly code.
325         (rs6000_xcoff_file_start): Use switch_to_section.
326         (rs6000_xcoff_file_end): Likewise.
327         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
328         (sdata2_section, sbss_section, private_data_section): Delete.
329         (read_only_data_section, read_only_private_data_section): Delete.
330         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
331         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
332         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
333         (FINI_SECTION_FUNCTION): Delete.
334         (TARGET_ASM_INIT_SECTIONS): Define.
335         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
336         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
337         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
338         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
339         (READONLY_DATA_SECTION): Delete.
340         (TARGET_ASM_INIT_SECTIONS): Define.
341         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
342         to NULL rather than no_section.
343         (TARGET_ASM_EXCEPTION_SECTION): Delete.
344
345         * config/sh/sh.c (sh_file_start): Use switch_to_section.
346
347         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
348         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
349         from call to current_function_section.
350
351         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
352         (bss100_section): New variable.
353         (xstormy16_asm_output_aligned_common): Use switch_to_section.
354         (xstormy16_asm_init_sections): New function.
355         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
356         switch_to_section and get_section.
357         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
358         from calls to current_function_section.
359         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
360         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
361         (TARGET_ASM_INIT_SECTIONS): Define.
362         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
363
364         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
365         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
366         (FINI_SECTION_FUNCTION): Delete.
367
368         * config/v850/v850.c: Include gt-v850.h.
369         (rosdata_section, rozdata_section, tdata_section, zdata_section)
370         (zbss_section): New variables.
371         (v850_output_aligned_bss): Use switch_to_section.
372         (v850_asm_init_sections): New function.
373         (v850_select_section): Return the section rather than emitting
374         assembly code.
375         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
376         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
377         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
378         (TARGET_ASM_INIT_SECTIONS): Define.
379         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
380         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
381         (zbss_section): Delete.
382
383         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
384
385         * config/vx-common.h (vxworks_exception_section): Delete.
386         (TARGET_ASM_EXCEPTION_SECTION): Delete.
387
388         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
389         section rather than emitting assembly code.
390         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
391         switch_to_section.
392
393         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
394         * coretypes.h (section): New union and typedef.
395         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
396         from call to current_function_section.
397         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
398         (dbxout_symbol_location): Use switch_to_section.
399         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
400         most of the code into...
401         (default_eh_frame_section): ...here.  Return a section.
402         (collect2_eh_frame_section): Delete, moving most of the code into..
403         (switch_to_eh_frame_section): ...this new function.
404         (debug_info_section, debug_abbrev_section, debug_aranges_section)
405         (debug_macinfo_section, debug_line_section, debug_loc_section)
406         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
407         variables.
408         (output_call_frame_info): Call switch_to_eh_frame_section instead of
409         eh_frame_section.  Use switch_to_section and get_section.
410         (dwarf2out_begin_prologue): Use switch_to_section.
411         (AT_string_form): Check the flags in debug_str_section instead of
412         DEBUG_STR_SECTION_FLAGS.
413         (output_comp_unit): Use switch_to_section, get_section, and
414         debug_info_section.
415         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
416         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
417         from call to current_function_section.
418         (dwarf2out_var_location): Use unlikely_text_section_p.
419         (dwarf2out_source_line): Use switch_to_section.  Remove argument
420         from call to current_function_section.
421         (dwarf2out_start_source_file, dwarf2out_end_source_file)
422         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
423         debug_macinfo_section.
424         (dwarf2out_init): Initialize the new section variables.  Use them
425         instead of calls to named_section_flags.  Use switch_to_section.
426         (output_indirect_string): Use switch_to_section and debug_str_section.
427         (dwarf2out_finish): Use switch_to_section and the new section
428         variables.
429         * except.c (default_exception_section): Return the section instead
430         of emitting assembly code.
431         (output_function_exception_table): Use the global exception_section
432         variable instead of the target hook.  Use switch_to_section.  Remove
433         argument from call to current_function_section.
434         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
435         (shorten_branches): Use pointer comparisons to detect whether the
436         text section is the same as readonly_data_section.
437         (profile_function): Use switch_to_section.  Remove argument from
438         call to current_function_section.
439         (final_scan_insn): Likewise.  Update use of last_text_section.
440         * gengtype.c (open_base_files): Add an include of output.h.
441         * output.h (text_section, data_section, readonly_data_section)
442         (ctors_section, dtors_section, bss_section, init_section)
443         (fini_section, sdata_section): Turn into section pointers.
444         (in_text_section, in_unlikely_text_section, exports_section)
445         (drectve_section, named_section, mergeable_string_section)
446         (last_text_section_name): Delete.
447         (default_exception_section, default_eh_frame_section): Return sections.
448         (SECTION_DECLARED, SECTION_NAMED): New macros.
449         (SECTION_MACH_DEP): Bump value.
450         (section_common, named_section, unnamed_section): New structures.
451         (unnamed_section_callback): New typedef.
452         (section): New union.
453         (sbss_section, exception_section, eh_frame_section): New variables.
454         (in_section, last_text_section): Turn into section pointers.
455         (get_unnamed_section, get_section, get_named_section): New functions.
456         (mergeable_constant_section, function_section): Return a section.
457         (unlikely_text_section): Likewise.
458         (current_function_section): Likewise.  Remove the decl argument.
459         (unlikely_text_section_p, switch_to_section): New functions.
460         (output_section_asm_op): New function.
461         (set_named_section_flags, named_section_flags, named_section_real)
462         (named_section_first_declaration): Delete.
463         (default_select_section, default_elf_select_section): Return a section.
464         (default_elf_select_section_1, default_function_rodata_section)
465         (default_no_function_rodata_section, default_select_rtx_section)
466         (default_elf_select_rtx_section): Likewise.
467         * rtl.h (in_data_section): Delete.
468         * sdbout.c (sdbout_one_type): Use switch_to_section.
469         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
470         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
471         (TARGET_ASM_EH_FRAME_SECTION): Poison.
472         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
473         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
474         (TARGET_ASM_OUT): Update after above changes.
475         * target.h (init_sections): New hook.
476         (exception_section, eh_frame_section): Delete.
477         (select_section, select_rtx_section, function_rodata_section): Return
478         a section rather than emitting assembly code.
479         * varasm.c (text_section, data_section, readonly_data_section)
480         (ctors_section, dtors_section, bss_section, init_section)
481         (fini_section): Turn into section pointers.
482         (sdata_section, sbss_section, exception_section): New variables.
483         (eh_frame_section): New variable.
484         (in_section): Make global and turn into a section pointer.
485         (last_text_section): Turn into a section pointer.
486         (unnamed_sections): New variable.
487         (in_named_name, last_text_section_name): Delete.
488         (EXTRA_SECTION_FUNCTIONS): Delete.
489         (in_named_entry): Delete.
490         (section_htab): New variable, replacing...
491         (in_named_htab): ...this deleted variable.
492         (section_entry_eq, section_entry_hash): New functions, based on...
493         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
494         (get_unnamed_section, get_section): New functions.
495         (unlikely_text_section): Return a section instead of emitting
496         assembly code.
497         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
498         (get_named_section_flags, named_section_first_declaration): Delete.
499         (unlikely_text_section_p): New function.
500         (named_section_real, named_section): Delete.
501         (get_named_section): New function.
502         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
503         (function_section): Return a section rather than emitting
504         assembly code.
505         (current_function_section): Likewise.  Remove argument.  Use
506         last_text_section if nonnull, otherwise use function_section.
507         (default_function_rodata_section): Return a section rather than
508         emitting assembly code.  Use get_section.
509         (default_no_function_rodata_section): Return a section rather than
510         emitting assembly code.
511         (variable_section): Use switch_to_section and get_named_section.
512         (mergeable_string_section): Return a section rather than emitting
513         assembly code.  Use get_section.  Make static.  Don't take special
514         countermeasures for empty strings.
515         (mergeable_constant_section): Return a section rather than emitting
516         assembly code.  Use get_section.
517         (default_named_section_asm_out_destructor): Use switch_to_section
518         and get_section.
519         (default_dtor_section_asm_out_destructor): Use switch_to_section.
520         (default_named_section_asm_out_constructor): Use switch_to_section
521         and get_section.
522         (default_ctor_section_asm_out_constructor): Use switch_to_section.
523         (assemble_start_function): Likewise.  Set last_text_section to
524         NULL rather than no_section.  Change the type of save_section.
525         (assemble_zeros, assemble_variable): Use the section flags to detect
526         whether or not a section is text.
527         (assemble_static_space): Use switch_to_section.
528         (assemble_trampoline_template): Likewise.
529         (output_constant_def_contents): Use switch_to_section and
530         get_named_section.
531         (output_constant_pool_1): Use switch_to_section.  Use the section
532         flags to see whether sections contain mergeable data.
533         (init_varasm_once): Initialize section_htab instead of in_named_htab.
534         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
535         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
536         whether a section has already been declared.
537         (default_select_section, default_elf_select_section): Return a
538         section rather than emitting assembly code.
539         (default_elf_select_section_1): Likewise.  Use bss_section for
540         SECCAT_BSS if nonnull.  Use get_named_section.
541         (default_select_rtx_section): Return a section rather than
542         emitting assembly code.
543         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
544         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
545         (output_section_asm_op, switch_to_section): New functions.
546         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
547         get_named_section.
548
549         * doc/tm.texi: Expand the introduction to the sections documentation.
550         (TRAMPOLINE_SECTION): Document new interface.
551         (SDATA_SECTION_ASM_OP): Document new macro.
552         (READONLY_DATA_SECTION): Delete.
553         (SDATA_SECTION_ASM_OP): Document new macro.
554         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
555         (TARGET_ASM_INIT_SECTIONS): Document new hook.
556         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
557         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
558         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
559
560 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
561
562         * gcc.c (init_gcc_specs): Match braces inside conditionally
563         compiled strings.
564
565 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
566
567         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
568
569 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
570
571         PR C++/24138
572         * tree.c (integer_all_onesp): Always return true if all bits on.
573
574         * testsuite/g++.dg/init/array0.C: New.
575
576 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
577
578         * doc/md.texi: Adapt to implementation.
579
580 2005-12-06  Andreas Schwab  <schwab@suse.de>
581
582         * opts.c (decode_options): Fix typo in message.
583
584 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
585
586         PR other/13873
587         * longlong.h: Merge PPC tests from upstream.
588
589 2005-12-06  Richard Guenther  <rguenther@suse.de>
590
591         * fold-const.c (fold_convert): Do not build and fold
592         CONVERT_EXPR, but always use NOP_EXPR.
593
594 2005-12-06  Jan Beulich  <jbeulich@novell.com>
595
596         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
597         __builtin_ia32_paddq and __builtin_ia32_subq.
598         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
599         __builtin_ia32_pshufw.
600         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
601
602 2005-12-05  James E Wilson  <wilson@specifix.com>
603
604         PR target/24934
605         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
606         is set.
607
608 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
609         
610         * print-tree.c (print_node): Ditto.
611         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
612         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
613         before accessing DECL_ARTIFICIAL. 
614         Handle new tag tree codes.
615         * tree-flow-inline.h (clear_call_clobbered): Update for tag
616         changes.
617         (unmodifiable_var_p): Ditto.
618         * tree-flow.h (mem_tag_kind): Remove.
619         (struct var_ann_d): Remove mem_tag_kind member.
620         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
621         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
622         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
623         (group_aliases): Ditto.
624         (setup_pointers_and_addressables): Ditto.
625         (is_escape_site): Ditto.                                          
626         (may_alias_p): Ditto.
627         (create_tag_raw): New function.
628         (create_memory_tag): Use it.
629         (dump_alias_info): Update for tags.
630         (may_be_aliased): Ditto.
631         (add_type_alias): Ditto.
632         (new_type_alias): Ditto.
633         (create_sft): Ditto.
634         (create_structure_vars): Ditto.
635         * tree-ssa-ccp.c (get_default_value): Ditto.
636         * tree-ssa-operands.c (get_expr_operands): Ditto.
637         (add_stmt_operand): Ditto.
638         (add_call_clobber_ops): Remove duplicated condition.
639         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
640         tags.
641         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
642         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
643         * tree.c (init_ttree): Update structures for new tree codes.
644         (tree_code_size): Update sizes for new tree codes.
645         (make_node_stat): Don't try to set common things on minimal
646         structures.
647         (tree_node_structure): Update for tags.
648         (is_global_var): Ditto.
649         * tree.def: Add new tree codes.
650         * tree.h (MTAG_P): New macro.
651         (TREE_MEMORY_TAG_CHECK): Ditto.
652         (SSA_VAR_P): Update for tags.
653         (struct tree_memory_tag): New structure.
654         (MTAG_GLOBAL): New macro.
655         (union tree_node): Add memory tag member.
656         * treestruct.def (TS_MEMORY_TAG): New.
657         
658 2005-12-05  Dale Johannesen  <dalej@apple.com>
659
660         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
661         what was approved (PR 24323).
662
663 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
664
665         * doc/c-tree.texi (Function Bodies): Remove description of
666         RETURN_INIT.
667
668 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
669
670         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
671         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
672         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
673         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
674         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
675         __divxc3): Document.
676
677 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
678
679         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
680         previous behaviour.
681         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
682         hook_bool_void_false.
683         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
684         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
685
686         * config/darwin.c (machopic_select_section): It's not defined
687         as weak if it's only marked as weak_import.
688         
689         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
690         Prototype.
691
692         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
693         A hidden weak object does bind locally.  Strong linkonce data
694         counts like any other strong symbol for binding.
695         (weak_finish_1): Don't specially handle weakrefs, they no longer
696         arrive here.
697         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
698         * c-common.c (handle_alias_attribute): Allow static aliases
699         of variables.
700         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
701         * gthr-dce.h: Make weakrefs static.
702         * gthr-tpf.h: Likewise.
703         * gthr-solaris.h: Likewise.
704         * gthr-posix.h: Likewise.
705         * gthr-posix95.h: Likewise.
706         * config/darwin.c (darwin_encode_section_info): static weakref
707         variables are not necessarily defined in this translation unit.
708         * doc/extend.texi (Function Attributes): Mention that an alias
709         attribute creates a definition for the thing it's attached to.
710         Change the documentation for weakref to say that the thing
711         it's attached to must be static.
712
713         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
714         we don't go into an infinite loop.
715
716 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
717
718         * config/rs6000/predicates.md (logical_const_operand): Split
719         out of logical_operand.
720         (logical_operand): Use it.
721         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
722         logical_const_operand.
723
724 2005-12-05  Jan Beulich  <jbeulich@novell.com>
725
726         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
727         and IX86_BUILTIN_CMPNESS.
728         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
729         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
730         * config/i386/i386.md (movti_internal): Correct type attribute.
731         Simplify mode attribute.
732         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
733         Correct type attribute.
734         (absxf2): Correct operator.
735         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
736         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
737         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
738         mode attribute.
739         (sse2_vmsqrtv2df2): Correct mode attribute.
740
741 2005-12-05  Jan Beulich  <jbeulich@novell.com>
742
743         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
744         16 bits. Provide insn pattern for this case.
745
746 2005-12-05  Jan Beulich  <jbeulich@novell.com>
747
748         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
749         result.
750         (__popcountDI2): Likewise.
751
752 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
753
754         PR target/25166
755         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
756         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
757         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
758         functions.
759
760 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
761
762         * c-typeck.c (null_pointer_constant_p): New function.
763         (build_conditional_expr, build_c_cast, convert_for_assignment,
764         build_binary_op): Use it.
765
766 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
767
768         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
769         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
770         CONVERT_EXPR.
771         (check_function_arguments_recurse): Allow both NOP_EXPR and
772         CONVERT_EXPR but check conversions preserve precision.
773         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
774         but check conversions preserve precision.
775         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
776         default case.
777
778 2005-12-04  Roger Sayle  <roger@eyesopen.com>
779
780         PR c/7776
781         * common.opt (Wstring-literal-comparison): New command line option.
782         * c-opts.c (c_common_handle_option): Set it with -Wall.
783         * c-typeck.c (parser_build_binary_op): Issue warning if either
784         operand of a comparison operator is a string literal, except for
785         testing equality or inequality against NULL.
786
787         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
788
789 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
790
791         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
792         of building a NOP_EXPR.
793         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
794         NOP_EXPR.
795         * c-convert.c (convert): Use fold_convert instead of building
796         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
797         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
798         #if 0 code.
799         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
800         NOP_EXPR the same as CONVERT_EXPR.
801         * c-typeck.c (build_function_call): Use fold_convert instead of
802         building a NOP_EXPR directly.
803         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
804
805 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
806
807         PR rtl-optimization/25197
808         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
809         have a reg.
810
811 2005-12-02  Stuart Hastings  <stuart@apple.com>
812
813         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
814         warning.
815
816 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
817
818         * c-typeck.c (default_function_array_conversion,
819         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
820         (build_conditional_expr): Apply integer_zerop to orig_op1 and
821         orig_op2.  Don't check them for NOP_EXPR.
822         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
823         around integer zero.
824
825 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
826
827         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
828         toc_save_offset, toc_size, lr_size.
829         (rs6000_stack_info): Use memset rather than bss struct copy to init.
830         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
831         Adjust for removal of unused rs6000_stack_t fields.
832         (debug_stack_info): Adjust.
833         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
834         first, and don't bother checking for set/inc of lr on sibcalls.
835         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
836
837 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
838
839         PR target/25199
840         * config/i386/i386.md (movqi_1): Only force imovx for alternative
841         5 if operand 1 is not aligned.  Undo previous constraint change.
842         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
843
844 2005-12-02  Richard Guenther  <rguenther@suse.de>
845
846         * tree.h (build): Remove prototype.
847         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
848         * tree.c (build): Remove.
849         (build0_stat): Update comment.
850
851 2005-12-02  Richard Guenther  <rguenther@suse.de>
852
853         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
854         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
855         Likewise.
856         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
857         maybe_fold_offset_to_component_ref): Likewise.
858         * tree-ssa-dom.c (thread_across_edge,
859         simplify_rhs_and_lookup_avail_expr,
860         find_equivalent_equality_comparison, record_equivalences_from_stmt):
861         Likewise.
862         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
863         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
864         lower_try_finally_switch): Likewise.
865         * tree-if-conv.c (add_to_dst_predicate_list,
866         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
867         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
868         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
869         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
870         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
871         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
872         gimplify_init_ctor_eval, gimplify_init_constructor,
873         gimplify_variable_sized_compare, gimplify_boolean_expr,
874         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
875         gimplify_expr, gimplify_body, gimplify_function_tree,
876         force_gimple_operand): Likewise.
877         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
878         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
879         mx_register_decls): Likewise.
880         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
881         get_frame_field, finalize_nesting_tree_1): Likewise.
882         * tree-inline.c (setup_one_parameter): Likewise.
883         * tree-vect-transform.c (vectorizable_condition): Likewise.
884         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
885         Likewise.
886         * tree-profile.c (tree_gen_edge_profiler): Likewise.
887         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
888         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
889         * tree-chrec.h (build_polynomial_chrec): Likewise.
890
891 2005-12-02  Richard Guenther  <rguenther@suse.de>
892
893         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
894         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
895         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
896         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
897         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
898         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
899         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
900         Likewise.
901         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
902         sh_adjust_unroll_max): Likewise.
903         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
904         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
905         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
906         Likewise.
907         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
908         Likewise.
909         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
910         Likewise.
911
912 2005-12-02  Richard Guenther  <rguenther@suse.de>
913
914         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
915         simplify_cond_using_ranges): Use buildN instead of build.
916         * tree-tailcall.c (adjust_accumulator_values,
917         adjust_return_value): Likewise.
918         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
919         generate_element_copy, generate_element_zero,
920         generate_one_element_init): Likewise.
921         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
922         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
923         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
924         perfect_nestify): Likewise.
925
926 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
927
928         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
929
930 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
931
932         * ggc.h (GGC_RESIZEVEC): New.
933
934 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
935
936         * gcc.c (execute): Improve readability.
937
938 2005-12-02  Richard Guenther  <rguenther@suse.de>
939
940         * tree-cfg.c (mark_used_vars): New function.
941         (dump_function_to_file): Dump only used VAR_DECLs.
942
943 2005-12-02  Richard Guenther  <rguenther@suse.de>
944
945         * convert.c (convert_to_integer): Fix compare for nonpositive
946         constant to use tree_int_cst_sgn <= 0.
947
948 2005-12-02  Richard Guenther  <rguenther@suse.de>
949
950         * convert.c (convert_to_integer): Use fold_convert instead
951         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
952         instead of comparing against 0.  Use build_int_cst instead
953         of converting integer_zero_node.
954
955 2005-12-02  Richard Guenther  <rguenther@suse.de>
956
957         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
958         and RROTATE_EXPR.
959  
960 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
961
962         PR target/21017
963         * combine.c (simplify_logical <IOR>): Simplify more patterns to
964         rotates.
965
966 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
967
968         PR middle-end/25176
969         * function.c (expand_function_end): Emit blockage for unwinder
970         after return label.
971
972 2005-12-01  Roger Sayle  <roger@eyesopen.com>
973
974         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
975         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
976         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
977         integer constant comparisons.
978
979 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
980             Janis Johnson  <janis187@us.ibm.com>
981             David Edelsohn  <dje@watson.ibm.com>
982             Ben Elliston  <bje@au.ibm.com>
983
984         * dfp.h, dfp.c: New files.
985         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
986         (DECNUM_H): Likewise.
987         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
988         (INCLUDES): Append $(DECNUMINC).
989         (OBJS-common): Add dfp.o.
990         (dfp.o): New rule.
991         * real.h (EXP_BITS): Pinch one bit to ..
992         (struct real_value): Add decimal field.
993         (real_format): Change table size, update documentation.
994         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
995         (real_from_string3): Declare.
996         (decimal_single_format): Declare.
997         (decimal_double_format): Declare.
998         (decimal_quad_format): Declare.
999         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1000         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1001         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1002         * real.c: Include dfp.h.
1003         (normalize): Early return for decimal floats.
1004         (do_add): Zero decimal field.
1005         (do_compare): Call do_decimal_compare for decimal floats.
1006         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1007         (real_arithmetic): Call decimal_real_arithmetic for decimal
1008         floating point operands.
1009         (real_identical): If a and b are of differing radix, return false.
1010         (real_to_integer): Call decimal_real_to_integer if the value is a
1011         decimal float.
1012         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1013         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1014         (real_to_hexadecimal): Place "N/A" in the return string for
1015         decimal float.
1016         (real_from_string3): New variant, given a mode.
1017         (real_maxval): Use decimal_real_maxval for decimal floats.
1018         (round_for_format): Use decimal_round_for_format for decimals.
1019         (real_convert): Use decimal_real_convert where appropriate.
1020         (significand_size): Handle base 10.
1021         (encode_decimal_single, decode_decimal_single,
1022         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1023         decode_decimal_quad): New functions.
1024         (decimal_single_format): New.
1025         (decimal_double_format): New.
1026         (decimal_quad_format): New.
1027         * machmode.def: Add SD, DD and TD decimal floating point modes.
1028         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1029         Include MODE_DECIMAL_FLOAT.
1030         (DECIMAL_FLOAT_MODE_P): New.
1031         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1032         * genmodes.c (struct mode_data): Add counter field.
1033         (struct mode_data): Update comment for format.
1034         (blank_mode): Initialise counter field.
1035         (new_mode): Increment counter field for each mode defined.
1036         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1037         using a format.
1038         (make_complex_modes): Handle modes containing `D'.
1039         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1040         (make_decimal_float_mode): New.
1041         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1042         (cmp_modes): Compare counter field if other characteristics
1043         similar.
1044         (emit_real_format_for_mode): Support formats for decimal floats.
1045         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1046         Document MODE_DECIMAL_FLOAT.
1047
1048 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1049
1050         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1051         Delete dead code.
1052
1053 2005-12-01  Richard Henderson  <rth@redhat.com>
1054
1055         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1056
1057 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1058
1059         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1060
1061         * config/pa/pa.c (pa_init_builtins): If we detect
1062         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1063         putc_unlocked.
1064
1065 2005-12-01  Richard Guenther  <rguenther@suse.de>
1066
1067         * fold-const.c (fold_binary): Use fold_build2, not
1068         fold (build (...)).
1069
1070 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1071
1072         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1073
1074         * vec.h (VEC_block_remove): New.
1075
1076 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1077
1078         PR c/13384
1079         * c-common.c (lvalue_error): Fix wording.
1080
1081 2005-12-01  Richard Guenther  <rguenther@suse.de>
1082
1083         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1084         thinko in last patch.
1085
1086 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1087
1088         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1089         than -flat_namespace.
1090
1091 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1092
1093         * mklibgcc.in: Parameterise the script to build soft float
1094         functions by iterating over each type, rather than cloning the
1095         code for each type.
1096
1097 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1098
1099         PR middle-end/25158
1100         * builtins.c (fold_builtin_fputs): Defer check for missing
1101         replacement functions.
1102
1103 2005-11-30  Kean Johnston  <jkj@sco.com>
1104
1105         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1106         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1107
1108 2005-11-30  Richard Guenther  <rguenther@suse.de>
1109
1110         PR tree-optimization/22501
1111         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1112         function split out from ...
1113         (forward_propagate_addr_expr): ... here.  Use it to propagate
1114         ADDR_EXPRs to all uses.
1115
1116 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1117
1118         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1119         * builtins.c (expand_builtin_mathfn): Use them.
1120         (expand_builtin_mathfn_2): Likewise.
1121         (expand_builtin_mathfn_3): Likewise.
1122         (expand_builtin_int_roundingfn): Likewise.
1123         (expand_builtin): Likewise.
1124         (integer_valued_real_p): Likewise.
1125         (fold_builtin_int_roundingfn): Likewise.
1126         (fold_builtin_bitop): Likewise.
1127         (fold_builtin_logarithm): Likewise.
1128         (fold_builtin_1): Likewise.
1129         * convert.c (convert_to_integer): Likewise.
1130         * fold-const.c (negate_mathfn_p): Likewise.
1131         (tree_expr_nonnegative_p): Likewise.
1132
1133 2005-11-30  Dale Johannesen  <dalej@apple.com>
1134             Andrew Pinski  <pinskia@physics.uc.edu>
1135
1136         * combine.c (find_split_point):  Sign extend bitmask
1137         when changing bitfield assignment to IOR of AND.
1138
1139 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1140
1141         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1142         clobber to scratch reg.
1143         (*decrement_and_branch_until_zero_no_clobber): Remove.
1144         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1145         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1146         * config/ms1/ms1.opt (mmul): Remove.
1147         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1148         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1149
1150 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1151             Bernd Schmidt  <bernd.schmidt@analog.com>
1152
1153         * pa/predicates.md (symbolic_operand): Add comment.
1154         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1155         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1156         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1157         (pa_secondary_reload_class): Delete.
1158         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1159         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1160         copy of symbolic operand.
1161         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1162
1163 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1164
1165         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1166         jump.
1167
1168 2005-11-30  Jeff Law  <law@redhat.com>
1169
1170         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1171         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1172
1173 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1174
1175         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1176         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1177         (ia64_expand_move): Adjust caller.
1178
1179         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1180         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1181         negate VAL.
1182
1183 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1184
1185         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1186         Always produce an output if we can remove NEGs or canonicalize
1187         (minus (minus ...)) expressions.  Provide a fast path for the
1188         two-operand case.
1189         (simplify_gen_binary): Do not call simplify_plus_minus.
1190         (simplify_binary_operation_1): Reassociate at the end of the
1191         function.
1192
1193 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1194
1195         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1196         moves and unpack to speed up.
1197
1198 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1199
1200         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1201         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1202         (gen_v9_scc): Update callers.
1203         * config/sparc/sparc.md: Likewise.
1204         * config/sparc/sparc-protos.h: Update extern declaration.
1205
1206         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1207
1208 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1209
1210         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1211         the if.
1212
1213 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1214
1215         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1216         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1217         (negate_expr): Here.
1218
1219 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1220
1221         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1222         Fix typo in comment.
1223
1224 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1225
1226         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1227         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1228
1229 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1230
1231         PR middle-end/20109
1232         PR middle-end/25120
1233         * builtins.c (init_target_chars): New.
1234         (expand_builtin_printf, expand_builtin_fprintf,
1235         expand_builtin_sprintf, fold_builtin_sprintf,
1236         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1237         fold_builtin_snprintf_chk, fold_builtin_printf,
1238         fold_builtin_fprintf): Check for matching format strings using
1239         the target charset.
1240
1241 2005-11-29  Paul Brook  <paul@codesourcery.com>
1242
1243         * config.gcc: Do not use fixproto on m68k-elf.
1244
1245 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1246
1247         * expmed.c (div_cost): Replace with...
1248         (sdiv_cost, udiv_cost): New.
1249         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1250         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1251         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1252         (expand_divmod): Replace use of div_cost with either sdiv_cost
1253         or udiv_cost depending upon the signedness of the operation.
1254
1255 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1256
1257         PR libfortran/24991
1258         * config/darwin.c (machopic_indirection_name,
1259         machopic_output_indirection): Follow transparent alias chain.
1260
1261 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1262
1263         * varasm.c (ultimate_transparent_alias_target): Add comment.
1264
1265 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1266
1267         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1268         SET_SRC instead of XEXP where appropriate.
1269
1270 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1271
1272         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1273         __builtin_expect.
1274
1275 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1276
1277         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1278         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1279         bit at a time.
1280
1281 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1282
1283         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1284         secondary_input_reload_class, made static.  Adapt to new
1285         infrastructure.
1286         (secondary_output_reload_class): Delete.
1287         (TARGET_SECONDARY_RELOAD): New macro.
1288         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1289         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1290
1291 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1292
1293         PR c++/21166
1294         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1295         when its natural alignment is > BITS_PER_UNIT.
1296         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1297         * c-common.c (handle_packed_attribute): Ignore packing on a field
1298         whose type is naturally char aligned.
1299
1300 2005-11-28  Richard Guenther  <rguenther@suse.de>
1301
1302         * c-common.c (strict_aliasing_warning): Handle all
1303         component-ref like accesses.
1304
1305 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1306             Uros Bizjak  <uros@kss-loka.si>
1307
1308         PR middle-end/20219
1309         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1310         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1311         when flag_unsafe_math_optimizations is set and
1312         we don't care about NaNs or Infinities.
1313
1314         Move x/expN(y) and x/pow(y,z) transformation into common
1315         flag_unsafe_math_optimizations section.
1316
1317 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1318
1319         * gcc.c (main): Change type of argv to "char **".
1320
1321 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1322
1323         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1324         small data sections.
1325         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1326         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1327         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1328         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1329         output locals to sbss if !rs6000_elf_in_small_data_p.
1330         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1331
1332 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1333
1334         PR target/24997
1335         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1336         generated by reload.
1337         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1338         indexed_or_indirect_address.
1339         (indexed_or_indirect_address): Don't test for base reg.  Call
1340         address_operand last.  Make it a special predicate.
1341
1342 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1343
1344         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1345
1346 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1347
1348         PR middle-end/24575
1349         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1350         is undefined.
1351         (negate_expr): Likewise.
1352
1353 2005-11-27  Andreas Schwab  <schwab@suse.de>
1354
1355         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1356         redundant parens.
1357
1358 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1359
1360         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1361         has EH predecessor edges.
1362
1363 2005-11-26  Eric Christopher  <echristo@apple.com>
1364
1365         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1366         register stalls by zero extending to the full register.
1367
1368 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1369
1370         * config/floatunsisf.c, config/floatunsidf.c,
1371         config/floatunsixf.c, config/floatunsitf.c: New files.
1372         * config/ia64/t-hpux: Add floatunsitf.c.
1373         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1374         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1375
1376 2005-11-26  Richard Henderson  <rth@redhat.com>
1377
1378         * c-lex.c (pragma_lex): Rename from c_lex.
1379         * c-pch.c: Update for pragma_lex rename.
1380         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1381         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1382         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1383         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1384         * doc/tm.texi: Likewise.
1385
1386 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1387
1388         PR middle-end/23669
1389         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1390         when overflow is undefined.
1391
1392 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1393
1394         * doc/md.texi (Insn Canonicalizations): Refer to the
1395         function commutative_operand_precedence for further rules.
1396
1397 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1398
1399         PR middle-end/21309
1400         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1401         is less than zero.  Limit mult_cost to a reasonable upper bound for
1402         the synthetic multiplication sequence.
1403
1404 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1405
1406         PR middle-end/25022
1407         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1408         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1409         Lookup the explicit replacement functions for any unlocked
1410         stdio builtin transformations.
1411
1412 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1413
1414         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1415         earlyclobber.
1416         * targhooks.c (default_secondary_reload): Don't require operand 2
1417         for an input reload to be earlyclobber.
1418
1419 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1420
1421         * fold-const.c (negate_mathfn_p): Fix comment and add support
1422         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1423         BUILT_IN_ATANH.
1424
1425 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1426
1427         PR middle-end/24998
1428         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1429         _Q_ulltoq for unsigned conversions from SImode and DImode to
1430         TFmode.
1431
1432 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1433
1434         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1435         (__floatundidf, __floatundisf): Likewise.
1436
1437 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1438
1439         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1440         (rs6000_override_options): Remove initialization of
1441         rs6000_sr_alias_set.
1442         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1443         (rs6000_emit_stack_tie): Same.
1444         (emit_frame_save): Same.
1445         (gen_frame_mem_offset): Same.
1446         (rs6000_emit_prologue): Same.
1447         (rs6000_emit_epilogue): Same.
1448
1449 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1450
1451         PR middle-end/24989
1452         * fold-const.c (fold_build): Convert bool_var != 1 and
1453         bool_var == 0 to !bool_var.
1454
1455 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1456
1457         PR middle-end/24990
1458         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1459         for C being INTEGER_CST.  Likewise for !=.
1460
1461 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1462
1463         PR middle-end/24998
1464         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1465         unsigned conversions from SImode to TFmode.
1466
1467 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1468
1469         * expr.c (expand_expr_real_1): Fix error in last change.
1470
1471 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1472
1473         * caller-save.c: (this_insn_sets): Move into:
1474         (save_call_clobbered_regs).
1475         (mark_set_regs): Get this_insn_sets from data.
1476
1477         (save_call_clobbered_regs): Take sets of the return value by
1478         sibcalls into account.
1479
1480 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1481         PR target/21623:
1482
1483         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1484         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1485         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1486         (memory_move_secondary_cost, init_reg_autoinc): Remove
1487         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1488         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1489         secondary_reload_class call.
1490         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1491         callers.
1492         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1493         (push_secondary_reload): Use secondary_reload target hook.
1494         (secondary_reload_class, scratch_reload_class): New functions.
1495         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1496         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1497         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1498         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1499         (secondary_reload_class, scratch_reload_class): Declare.
1500         * reload1.c: Include target.h.
1501         (reload_adjust_reg_for_temp): New function.
1502         (reload_adjust_reg_for_icode): Likewise.
1503         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1504         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1505         call.
1506         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1507         for inheritance.  Support case when both secondary & tertiary reloads
1508         are for intermediate registers.
1509         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1510         with secondary_reload_class call.  Support case when both secondary
1511         & tertiary reloads are for intermediate registers.
1512         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1513         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1514         * target.h (secondary_reload_info): New struct / typedef.
1515         (struct gcc_target): New member secondary_reload.
1516         * targhooks.c Include reload.h, optabs.h and recog.h.
1517         (default_secondary_reload): New function.
1518         * targhooks.h (default_secondary_reload): Declare.
1519         * doc/tm.texi: Document secondary_reload target hook.  Update
1520         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1521         * doc/md.texi: Likewise.
1522
1523         * sh-protos.h (sh_secondary_reload): Declare.
1524         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1525         (sh_secondary_reload): New function.
1526         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1527         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1528         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1529         (HAVE_SECONDARY_RELOADS): Define.
1530         * sh.md (reload_indf): Rename to:
1531         (reload_indf__frn).
1532         (reload_outdf): Rename to:
1533         (reload_outdf__RnFRm).
1534         (reload_insf): Rename to:
1535         (reload_insf__frn).
1536         (reload_insi): Rename to:
1537         (reload_insi__i_fpul).
1538
1539 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1540
1541         * configure.ac: Require at least texinfo 4.4.
1542         * configure: Regenerate.
1543
1544         * doc/install.texi (Tools/packages necessary for building GCC):
1545         Update required version of texinfo to at least 4.4.
1546         (Installing GCC: Building): Update required version of texinfo
1547         to at least 4.4.
1548         (Installing GCC: Final installation): Update required version
1549         of texi2dvi to at least 4.4.
1550         (Host/target specific installation notes for GCC): Update required
1551         version of texinfo to at least 4.4.
1552
1553 2005-11-24  Richard Guenther  <rguenther@suse.de>
1554         Dirk Mueller <dmueller@suse.de>
1555
1556         PR c++/14024
1557         * c-common.h (strict_aliasing_warning): Declare.
1558         * c-common.c (strict_aliasing_warning): New function,
1559         split out from ...
1560         * c-typeck.c (build_c_cast): ... here.
1561
1562 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1563
1564         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1565         to order operands.
1566         (swap_commutative_operands_with_target): New.
1567
1568 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1569
1570         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1571         also when doing PRE, rather than only for global CPROP.
1572
1573 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1574
1575         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1576         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1577         formatting.
1578         (expand_twoval_unop): Likewise.
1579         (widen_clz): Likewise.
1580         (expand_parity): Likewise.
1581         (expand_unop): Likewise.
1582         (emit_cmp_and_jmp_insn_1): Likewise.
1583         (prepare_float_lib_cmp): Likewise.
1584
1585 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1586
1587         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1588         Remove unused `class' variable.
1589
1590 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1591
1592         PR c++/21667
1593         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1594         C/C++ diagnostic function warn_array_subscript_with_type_char.
1595         * c-common.h (warn_array_subscript_with_type_char): Declare.
1596         * c-common.c (warn_array_subscript_with_type_char): Define.
1597
1598 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1599
1600         PR c/21668
1601         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1602         compiling at the intersection of C and C++.
1603
1604 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1605
1606         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1607         List @file in the option summary.  Include the libiberty
1608         documentation for @file.
1609         * gcc.c (main): Call expandargv.
1610         * Makefile.in (gcc-vers.texi): Define srcdir.
1611
1612 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1613
1614         * passes.c (init_optimization_passes): Document
1615         sequencing of passes.
1616
1617 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1618
1619         * config/m68k/predicates.md (pcrel_address, extend_operator,
1620         post_inc_operand, pre_dec_operand): Remove redundant
1621         conditionals.
1622         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1623         instead of abort.
1624         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1625
1626 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1627
1628         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1629
1630 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1631
1632         Preparatory work for PR target/21623:
1633         * alpha.c (secondary_reload_class): Rename to:
1634         (alpha_secondary_reload_class).
1635         * alpha.h, alpha-protos.h: Likewise.
1636         * mn10300.c (secondary_reload_class): Rename to:
1637         (mn10300_secondary_reload_class).
1638         * mn10300.h, mn10300-protos.h: Likewise.
1639         * pa.c (secondary_reload_class): Rename to:
1640         (pa_secondary_reload_class).
1641         * pa.h, pa-protos.h: Likewise.
1642         * rs6000.c (secondary_reload_class): Rename to:
1643         rs6000_secondary_reload_class.
1644         * rs6000.h, rs6000-protos.h: Likewise.
1645
1646 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1647
1648         PR middle-end/22561
1649         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1650
1651 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1652
1653         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1654         a mode_class.
1655         (prepare_cmp_insn): Likewise.
1656
1657 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1658
1659         PR target/23435
1660         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1661         if both operands[0] and operands[1] are memory.
1662
1663 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1664
1665         PR middle-end/23606
1666         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1667         COMPARISON_CLASS_P and an integral types create create a new
1668         expression with the new type and fold that.
1669
1670 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1671
1672         PR target/24988
1673         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1674         to SUBTARGET_OS_CPP_BUILTINS.
1675
1676 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1677
1678         * arm.c (emit_set_insn): New function.
1679         (arm_split_constant): Call it.
1680         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1681         (arm_legitimize_address): Likewise.  Use plus_constant.
1682         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1683         (thumb_expand_prologue): Likewise.
1684         (arm_gen_load_multiple): Use VOIDmode in SET.
1685         (arm_gen_store_multiple): Likewise.
1686         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1687         (emit_multi_reg_push): Likewise.
1688         (emit_sfm): Use plus_constant.
1689
1690 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1691
1692         PR target/24954
1693         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1694         typo last change.
1695
1696 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1697
1698         PR middle-end/24950
1699         * expmed.c (store_bit_field): Don't attempt to insv a field
1700         larger than the reg.
1701
1702 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1703
1704         PR target/24954
1705         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1706         explicit sign extension, not a (char) cast.
1707
1708 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1709
1710         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1711         GET_MODE_CLASS (x) == MODE_FLOAT.
1712         * config/i386/i386.c: Likewise.
1713         * config/rs6000/xcoff.h: Likewise.
1714         * config/rs6000/linux64.h: Likewise.
1715         * config/rs6000/rs6000.c: Likewise.
1716         * config/rs6000/rs6000.h: Likewise.
1717         * config/rs6000/predicates.md: Likewise.
1718         * config/rs6000/sysv4.h: Likewise.
1719
1720 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1721
1722         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1723         flag_pic is set.
1724
1725         * config/alpha/freebsd.h, config/alpha/linux.h,
1726         config/arm/linux-elf.h, config/bfin/bfin.h,
1727         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1728         config/i386/beos-elf.h, config/i386/gnu.h,
1729         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1730         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1731         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1732         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1733         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1734         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1735         config/sparc/linux.h, config/sparc/linux64.h,
1736         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1737
1738         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1739         are both defined when either flag -fpic or -fPIC are used.
1740
1741 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1742
1743         * config/fp-bit.c (clzusi): New function.
1744         (si_to_float, usi_to_float): Use it to compute proper shift.
1745         (usi_to_float): Preserve guard bits when shifting right.
1746         * libgcc-std.ver (GCC_4.2.0): New version.
1747         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1748         __floatundisf): New functions.
1749         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1750         __floatundisf): Declare.
1751         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1752         _floatundixf, and _floatunditf.
1753         * optabs.c (expand_float): If target does not define a pattern for
1754         signed or unsigned conversion, use an unsigned libcall instead of
1755         a signed one.
1756         (init_optabs): Initialize ufloat_optab.
1757
1758 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1759
1760         * config/rs6000/rs6000.opt (mmulhw): New option.
1761         * doc/invoke.texi (-mmulhw): Document.
1762         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1763         for 405 and 440.
1764         * config/rs6000/rs6000.md: Add half-word multiply and
1765         multiply-accumulate instructions for 405 and 440.
1766
1767 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1768
1769         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1770         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1771         default now includes a linker group which makes the RTEMS one nest.
1772
1773 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1774
1775         * cse.c (fold_rtx): Typo fix.
1776         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1777
1778 2005-11-21  Richard Henderson  <rth@redhat.com>
1779
1780         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1781         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1782
1783         * c-tree.h (lookup_name): Move declaration ...
1784         * c-common.h (lookup_name): ... here.
1785         * config/darwin-c.c: Include c-common.h.
1786         * config/t-darwin: Update dependencies.
1787
1788 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1789
1790         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1791         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1792         * genopinit.c (gen_insn): Likewise.
1793         * reload.c (find_equiv_reg): Likewise.
1794         * loop.c (load_mems): Likewise.
1795         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1796         * cse.c (find_comparison_args, fold_rtx): Likewise.
1797         * dwarf2out.c (add_const_value_attribute): Likewise.
1798         * expr.c (convert_move): Likewise.
1799         * recog.c (general_operand, register_operand): Likewise.
1800         * reg-stack.c (replace_reg): Likewise.
1801         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1802         * c-common.c (handle_vector_size_attribute): Likewise.
1803         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1804         (simplify_binary_operation_1): Likewise.
1805         (simplify_const_binary_operation): Likewise.
1806         (simplify_relational_operation): Likewise.
1807         (simplify_const_relational_operation): Likewise.
1808         (simplify_immed_subreg): Likewise.
1809         * emit-rtl.c (gen_lowpart_common): Likewise.
1810         * expmed.c (expand_mult): Likewise.
1811         * stor-layout.c (layout_type): Likewise.
1812
1813 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1814
1815         PR target/24951
1816         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1817         cst2 only for SPE vectors.
1818
1819 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
1820
1821         PR target/24953
1822         * config/rs6000/predicates.md (vrsave_operation): Check
1823         UNSPEC_VOLATILE value.
1824
1825 2005-11-21  Jan Hubicka  <jh@suse.cz>
1826
1827         PR tree-optimization/24653
1828         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1829
1830 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1831
1832         * config/i386/predicates.md (ax_reg_operand): New predicate.
1833         (memory_displacement_only_operand): New predicate.
1834         * config/i386/i386.md ("modrm" attribute): Return 0 if one
1835         operand is AX register and the other operand is memory operand
1836         with displacement only.
1837
1838 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1839
1840         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1841         if we don't care about NaNs or Infinities.
1842
1843 2005-11-20  Ian Lance Taylor  <ian@airs.com>
1844
1845         PR rtl-optimization/24883
1846         * combine.c (combinable_i3pat): When checking whether the
1847         destination of i3 is used in i3, consider paradoxical subregs.
1848
1849 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
1850
1851         PR middle-end/20583
1852         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1853
1854 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
1855
1856         * combine.c (try_combine): Do not run subst on i1src and i2src in
1857         the case of generating a PARALLEL for a comparison.
1858
1859 2005-11-20  Richard Henderson  <rth@redhat.com>
1860
1861         PR 24931
1862         * tree-sra.c (struct sra_elt): Add all_no_warning.
1863         (struct sra_walk_fns) <use>: Add use_all argument.
1864         (sra_walk_expr): Pass it.
1865         (sra_walk_modify_expr): Likewise.
1866         (scalarize_ldst): Likewise.
1867         (scan_use): Update for new argument.
1868         (mark_no_warning): New.
1869         (scalarize_use): Use it.
1870
1871 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1872
1873         * expr.c (expand_expr_real): Use usmul_optab for widening
1874         signed * unsigned multiplies.
1875         * genopinit.c (optabs): Add usmul_widen_optab.
1876         * optabs.c (init_optabs): Likewise.
1877         * optabs.h (enum optab_index): Add OTI_usmul_widen.
1878         (usmul_widen_optab): Define.
1879         * config/bfin/bfin.md (usmulhisi3): New pattern.
1880
1881         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1882
1883 2005-11-20  Graham Stott <btinternet.com>
1884
1885         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1886
1887 2005-11-20  Andreas Schwab  <schwab@suse.de>
1888
1889         PR target/24757
1890         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1891         insn.
1892
1893 2005-11-19  Richard Henderson  <rth@redhat.com>
1894
1895         PR tree-opt/24665
1896         * tree-gimple.c (is_gimple_id): Export.
1897         * tree-gimple.h (is_gimple_id): Declare.
1898         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1899         (get_default_value): Use it.
1900         (maybe_fold_stmt_indirect): Likewise.
1901
1902 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
1903
1904         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1905         than VR1 or vice-versa.
1906
1907 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
1908
1909         PR middle-end/24912
1910         PR middle-end/24750
1911         * reload.c (find_reloads_address_1): Mention dependency on
1912         gen_reload.
1913         * reload1.c (gen_reload): For IN with an unary operation, try
1914         moving inner expression to OUT if trivial SET is not valid.
1915         Confirm that the result is valid.  Move common code block into...
1916         (emit_insn_if_valid_for_reload): New function.
1917
1918 2005-11-19  Richard Guenther  <rguenther@suse.de>
1919
1920         * fold-const.c (fold_indirect_ref_1): Make sure we fold
1921         ARRAY_REFs of constant strings.
1922
1923 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
1924
1925         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1926         fatal format string.
1927
1928 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
1929
1930         * combine.c (make_compound_operation): Swap operands of
1931         commutative operation if necessary before returning.
1932
1933 2005-11-19  Richard Guenther  <rguenther@suse.de>
1934
1935         PR middle-end/23294
1936         * fold-const.c (fold_plusminus_mult_expr): New function.
1937         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1938         cases, remove now unnecessary code.
1939
1940 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
1941
1942         * gensupport.c (old_preds): Rename to std_preds, add special field.
1943         (struct old_pred_table): Rename to struct std_pred_table, add special
1944         field.
1945         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1946         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1947         (init_predicate_table): Adjust, and set along the way whether a
1948         predicate is special.
1949
1950 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
1951
1952         * BASE-VER: Change to 4.2.0.
1953
1954 2005-11-18  James E Wilson  <wilson@specifix.com>
1955
1956         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1957         returning it.
1958
1959 2005-11-18  Mike Stump  <mrs@apple.com>
1960
1961         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1962         * config/darwin-c.c (darwin_pragma_unused): Likewise.
1963         * c-decl.c (lookup_name_two) Remove.
1964         * c-tree.h (lookup_name_two): Remove.
1965         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1966         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1967         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1968         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1969
1970 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
1971
1972         PR target/24914
1973         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1974         when not generating code to use that co-processor.
1975
1976 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
1977
1978         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1979         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1980         these functions are now in tree-phinodes.c.
1981
1982 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
1983
1984         * config/bfin/bfin.md (trap): New pattern.
1985
1986 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1987
1988         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1989         on types.
1990
1991         * expr.c (expand_expr_real): Don't call record_block_change unless
1992         ib_boundaries_block is non-null
1993
1994         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1995
1996         * fold-const.c (build_range_check): Use proper type for subtraction
1997         when merging lower bound.
1998
1999 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2000
2001         PR rtl-optimization/24497
2002         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2003         the copied insn.
2004
2005 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2006
2007         * tree-scalar-evolution.c (expression_expensive_p): New function.
2008         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2009
2010 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2011
2012         * config/bfin/crtlibid.s: New file.
2013
2014 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2015
2016         PR target/24348
2017         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2018         when not using sjlj exceptions.
2019         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2020         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2021         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2022         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2023         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2024         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2025         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2026         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2027         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2028         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2029         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2030         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2031         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2032         defines.
2033         * config/pa/hpux-unwind.h: New file.
2034
2035 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2036
2037         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2038         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2039         * varasm.c (do_assemble_alias): Adjust call.
2040         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2041         is defined.
2042         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2043
2044 2005-11-17  James E Wilson  <wilson@specifix.com>
2045
2046         * tree.def (FUNCTION_DECL): Correct typo in comment.
2047
2048 2005-11-17  Richard Henderson  <rth@redhat.com>
2049
2050         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2051         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2052         and DW_CFA_def_cfa_sf.
2053         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2054         (dbx_reg_number): Don't assert particular registers here.
2055         (based_loc_descr): ... do it here instead.  Fold in ...
2056         (eliminate_reg_to_offset): ... this function.
2057         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2058         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2059         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2060         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2061         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2062         (instantiate_virtual_regs): Likewise.
2063         * var-tracking.c (adjust_stack_reference): Likewise.
2064         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2065
2066 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2067
2068         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2069         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2070         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2071         crtlibid.o.
2072         ($(T)crtlibid.o): New rule.
2073
2074 2005-11-16  Richard Guenther  <rguenther@suse.de>
2075
2076         PR middle-end/24851
2077         * fold-const.c (extract_array_ref): Return byte offset
2078         in all cases.
2079         (fold_binary): Fold &x[a] CMP &x[b] to
2080         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2081         behavior.
2082
2083 2005-11-16  Richard Henderson  <rth@redhat.com>
2084
2085         PR middle-end/23497
2086         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2087         parts of an SSA_NAME.
2088
2089 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2090
2091         PR target/24861
2092         * arm.md (split for movsf with immediate): Restrict split to insns
2093         that set a general register.
2094
2095 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2096
2097         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2098         uw_update_context.
2099         * unwind-dw2.c (uw_advance_context): Likewise.
2100         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2101         _Unwind_SjLj_Unregister.
2102         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2103
2104 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2105
2106         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2107
2108 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2109
2110         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2111         langhook to get a DImode integer type.
2112
2113 2005-11-16  Richard Henderson  <rth@redhat.com>
2114             J"orn Rennecke <joern.rennecke@st.com>
2115             Ulrich Weigand  <uweigand@de.ibm.com>
2116
2117         PR rtl-opt/24160
2118         PR target/24621
2119         * reload1.c (reg_equiv_invariant): New.
2120         (reload): Allocate, initialize, and free it.
2121         (calculate_needs_all_insns): Check it when skipping equivalence
2122         setting insns.
2123         (alter_reg): Likewise.
2124         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2125         may_use_invariant argument; only use reg_equiv_invariant when true.
2126         (eliminate_regs): New.
2127         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2128         a context for which may_use_invariant may be true.
2129
2130 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2131
2132         * fold-const.c (const_binop): Don't constant fold the operation
2133         if the result has overflowed and flag_trapping_math.
2134         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2135
2136 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2137
2138         * config/arm/unwind-arm.c (abort): Add prototype here.
2139         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2140         (struct phase1_vrs): Add prev_sp.
2141         (unwind_phase2_forced): Save the original core registers instead of
2142         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2143         and set action flags accordingly.  Always set _US_END_OF_STACK when
2144         get_eit_entry fails.  Unwind before calling the stop function.
2145         (_Unwind_GetCFA): New function.
2146         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2147         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2148         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2149         just call unwind_phase2_forced.
2150         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2151         * config/arm/unwind-arm.h (abort): Remove prototype.
2152         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2153         prototypes.
2154         (_Unwind_GetCFA): New prototype.
2155         * config/arm/pr-support.c (abort): Add prototype here.
2156         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2157         forced unwinding.
2158         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2159         not schedule the prologue with non-call exceptions and EABI.
2160
2161 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2162
2163         * config/arm/unwind-arm.h: Reorder interface function declarations.
2164         (_URC_END_OF_STACK): New enumeration value.
2165         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2166         (struct _Unwind_Control_Block): Document reserved field use.
2167         (_Unwind_Stop_Fn): New typedef.
2168         (_Unwind_ForcedUnwind): Declare.
2169         (_Unwind_Resume_or_Rethrow): Declare.
2170         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2171         argument.  Adjust.
2172         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2173         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2174         (UCB_FORCED_STOP_ARG): New.
2175         (search_EIT_table): Update boundary condition checks.
2176         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2177         (unwind_phase2): Replace for with do..while.
2178         (unwind_phase2_forced): New.
2179         (__gnu_Unwind_RaiseException): Replace for with do..while.
2180         (__gnu_Unwind_ForcedUnwind): New.
2181         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2182         Use appropriate phase2 unwinder.
2183         (__gnu_Unwind_Resume_or_Rethrow): New.
2184         (__gnu_unwind_pr_common): Cope with forced unwinding.
2185
2186 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2187
2188         PR target/24772
2189         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2190
2191         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2192         roundsf2): Remove "s" from mnemonic.
2193
2194 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2195
2196         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2197         __PIC__ is defined.
2198         * config/bfin/crtn.s: Change epilogues to match.
2199         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2200         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2201         __PIC__ and __pic__.
2202
2203 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2204
2205         PR 24357
2206         * doc/invoke.texi: Distinguish between free and fixed form instead of
2207         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2208         languages.
2209         * gcc.c (default_compilers): Remove double entries, add entries for
2210         suffixes '.F90' and '.F95'.
2211
2212 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2213
2214         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2215         in the stack probing loop.
2216
2217 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2218
2219         * configure.ac: Use .machine power5 not power5x.
2220         * configure: Regenerate.
2221
2222 2005-11-15  Mike Stump  <mrs@apple.com>
2223
2224         * c-decl.c (lookup_name_two): Add.
2225         * c-tree.h (lookup_name_two): Likewise.
2226         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2227         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2228
2229 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2230
2231         PR rtl-optimization/23392
2232         * regrename.c (enum scan_actions) Add mark_access.
2233         (scan_actions_name): Ditto.
2234         (scan_rtx_reg): Handle mark_access.
2235         (scan_rtx_address): Do nothing for mark_access.
2236         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2237         and regs in REG_INC notes before closing chains for dead regs.
2238         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2239         opening chains for new writes.
2240
2241 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2242
2243         * c.opt (ffixed-line-length-none): New.
2244
2245 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2246
2247         * mklibgcc.in: Change contents of eh_dummy.c.
2248
2249 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2250
2251         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2252
2253 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2254
2255         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2256         of making syscalls.
2257         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2258
2259 2005-11-15  Jan Hubicka  <jh@suse.cz>
2260
2261         * invoke.texi (large-unit-insns): Document.
2262         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2263         * params.def (large-unit-insns): New param.
2264
2265 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2266
2267         PR target/24869
2268         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2269         special register for operand 3.  Reindent constraints to align
2270         them vertically.
2271
2272 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2273
2274         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2275         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2276         * configure.ac: Add test for FP rounding instructions.
2277         * configure: Regenerate.
2278         * config.in: Regenerate.
2279         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2280         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2281         features enabled.
2282         * config/rs6000/rs6000.opt (mfprnd): New.
2283         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2284         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2285         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2286         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2287         (TARGET_FPRND): New.
2288         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2289         UNSPEC_FRIZ): New.
2290         (btrunc<mode>2): New.
2291         (ceil<mode>2): New.
2292         (floor<mode>2): New.
2293         (round<mode>2): New.
2294
2295 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2296
2297         * gcc.c (version_compare_spec_function): Use fatal() rather than
2298         abort().
2299
2300         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2301         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2302         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2303         as empty.
2304         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2305         link in crt2.o.
2306
2307         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2308         on -mmacosx-version-min setting.
2309
2310 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2311
2312         PR 24840
2313         * tree-vrp.c (infer_value_range): Return false if STMT is a
2314         block terminator and its basic block has no successors.
2315
2316 2005-11-14  Mike Stump  <mrs@apple.com>
2317
2318         * config/i386/i386.c (override_options): -masm=intel isn't
2319         supported on darwin.
2320         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2321
2322 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2323
2324         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2325         vfork after including auto-host.h.
2326
2327 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2328
2329         PR rtl-optimization/22002
2330         * combine.c (distribute_notes): Detect cases where a reg dies
2331         two or more times in a bb, including on the insn we are combining,
2332         and place the death note on the correct range.
2333
2334 2005-11-14  Dale Johannesen  <dalej@apple.com>
2335
2336         * expmed.c (store_bit_field):  Add offset unconditionally for
2337         memory targets.
2338         (extract_bit_field):  Don't force extzv or extv operand into
2339         a register if field is too big.
2340
2341 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2342
2343         * config/arm/arm.c (pic_labelno): New.
2344         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2345         LABEL_REF.  Pass only the labelno to PIC insns.
2346         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2347         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2348         * arm.md (UNSPEC_PIC_LABEL): New constant.
2349         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2350         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2351         Use the correct label prefix.
2352
2353 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2354
2355         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2356         REQ_EQUIV note.
2357
2358 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2359
2360         * loop-invariant.c: Include tm_p.h.
2361         * Makefile.in: Updated.
2362
2363 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2364
2365         * pa.c (store_reg): Revise generation of frame notes in large frames.
2366         (set_reg_plus_d): Likewise.
2367
2368 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2369
2370         PR tree-optimization/24709
2371         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2372         loop check.
2373
2374 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2375
2376         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2377         and duplicate declaration of pthread_self.
2378
2379 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2380             Ian Lance Taylor  <ian@airs.com>
2381
2382         PR middle-end/24003
2383         * calls.c (expand_call): If TARGET is a MEM and some part of the
2384         argument area has been saved, force TARGET to a register.
2385
2386 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2387
2388         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2389         checking.
2390
2391 2005-11-13  Jason Merrill  <jason@redhat.com>
2392
2393         PR c++/22489
2394         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2395         lazily declared methods.
2396         (force_decl_die): Stop if forcing out the context already make a
2397         DIE for the decl.
2398         (force_type_die): Likewise.
2399
2400 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2401
2402         PR middle-end/24820
2403         * builtins.c (integer_valued_real_p): Add break in
2404         REAL_CST having TREE_OVERFLOW set.
2405
2406 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2407
2408         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2409         addressing modes during calculation of costs.
2410
2411 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2412
2413         * function.c (assign_stack_local_1): Restrict sanity check
2414         on frame size overflow to 32-bit and above platforms.
2415
2416 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2417
2418         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2419         * config/cris/cris.c: Include reload.h.
2420         (cris_initial_elimination_offset): New function.
2421         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2422         Prototype.
2423
2424 2005-11-12  Richard Guenther  <rguenther@suse.de>
2425
2426         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2427
2428 2005-11-12  Jan Hubicka  <jh@suse.cz>
2429
2430         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2431         to compare against 0 when possible.
2432
2433 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2434
2435         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2436         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2437         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2438         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2439         in the new order.
2440
2441 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2442
2443         * recog.c (constrain_operands) <case 'g'>: For a match, require
2444         that a non-register matches general_operand when strict >= 0.
2445
2446 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2447
2448         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2449         previous checkin.
2450
2451 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2452
2453         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2454         (memory_address_same): New.
2455         (dse_optimize_stmt): Call memory_address_same.
2456
2457 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2458
2459         PR middle-end/24750
2460         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2461         ZERO_EXTEND>: New cases.
2462
2463 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2464
2465         * longlong.h (__clz_tab): Always provide.
2466
2467 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2468
2469         PR 24265
2470         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2471         can be assigned to.
2472         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2473         before check_maybe_invariant.
2474         (move_invariant_reg): Use gen_move_insn instead of replacing
2475         SET_DEST with the temporary for the invariant.
2476         (move_loop_invariants): If checking is enabled, do internal
2477         consistency checks after completing the pass.
2478
2479 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2480
2481         PR 24644
2482         * common.opt (Wvolatile-register-var): New.
2483         * varasm.c (make_decl_rtl): Only emit warning when option
2484         specified.  Clarify warning message.
2485         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2486
2487         * doc/md.texi (copysign): Document standard named pattern.
2488
2489 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2490
2491         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2492         bytes when align is 2.
2493         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2494         by the first instruction of the loop.
2495
2496 2005-11-11  Jason Merrill  <jason@redhat.com>
2497
2498         PR c++/24686
2499         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2500         the cleanup list.
2501
2502 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2503
2504         PR rtl-optimization/22509
2505         * local-alloc.c (memref_used_between_p): Check whether a function call
2506         could not reference the memref.
2507
2508 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2509
2510         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2511         algorithm so as to choose the best, not the worst, alternative.
2512         Reset accumulated register class before processing next alternative.
2513
2514 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2515
2516         PR target/24445
2517         * calls.c (expand_call): Copy a return value to a plain register
2518         if needed.
2519
2520 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2521
2522         PR target/24778
2523         * varasm.c (assemble_name): Recompute name only for transparent
2524         aliases.
2525
2526 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2527
2528         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2529
2530 2005-11-04  Jeff Law  <law@redhat.com>
2531
2532         PR middle-end/23181
2533         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2534         perform reassociation if the parent statement will not die as
2535         a result of the optimization.
2536
2537 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2538
2539         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2540         delete_old_heap_vars.
2541         * tree-dfa.c (referenced_var_remove): Remove function.
2542         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2543         (delete_tree_ssa): Remove call to delete_old_heapvars.
2544         Add call to delete_alias_heapvars.
2545         * tree-flow.h (referenced_var_remove): Remove prototype
2546         (init_alias_heapvars): New prototype.
2547         (delete_alias_heapvars): Ditto.
2548         * Makefile.in (tree-ssa-structalias.o): Add
2549         gt-tree-ssa-structalias.o
2550         (GTFILES): Add tree-ssa-structalias.h and
2551         tree-ssa-structalias.c.
2552         (s-gtype): Add gt-tree-ssa-structalias.h.
2553         * tree-ssa-structalias.c (heapvars): Remove.
2554         (oldheapvars): Remove.
2555         (heapvar_for_stmt): New variable.
2556         (heapvar_lookup): New function.
2557         (heapvar_insert): Ditto.
2558         (get_constraint_for): See if we have an old heapvar
2559         to reuse.
2560         (init_alias_heapvars): New function.
2561         (delete_alias_heapvars): Ditto.
2562         Add include of gt-tree-ssa-structalias.h.
2563
2564 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2565
2566         PR middle-end/22127
2567         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2568
2569 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2570
2571         * tree.c (int_fits_type_p): Only look at the base type
2572         if it has the same precision as the original type.
2573
2574 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2575
2576         PR other/4372
2577         * varasm.c (assemble_alias): Use %q+D in the error
2578         message instead of %J and %qD.
2579
2580 2005-11-10  Richard Guenther  <rguenther@suse.de>
2581
2582         * gcse.c (free_ldst_entry): Only free hashtable if
2583         it exists.
2584
2585 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2586
2587         * function.c (assign_stack_local_1): Issue an error message if
2588         the frame size overflows in the signed target arithmetics.
2589
2590 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2591
2592         * tree.c (build_qualified_type): Chain the new type to the original
2593         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2594         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2595         (build_pointer_type_for_mode): Only return unqualified types.
2596         (build_reference_type_for_mode): Likewise.
2597
2598 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2599
2600         * Makefile.in (gnucompare): Do comparison of all files using one of
2601         the chosen methods and only afterwards decide if just warning should
2602         be issued or comparison failure raised.
2603
2604 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2605
2606         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2607         (noce_try_abs): Negate if the comparison is reversed.
2608         Look only one instruction backwards for a REG_EQUAL note.
2609
2610 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2611
2612         PR other/4372
2613         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2614         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2615         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2616         and prefix all uses with __ghtrw.
2617
2618 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2619
2620         PR other/4372
2621         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2622         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2623         * c-common.c (handle_weakref_attribute): New.
2624         (c_common_attribute_table): Add weakref.
2625         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2626         in the assembler.
2627         * configure, config.in: Rebuilt.
2628         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2629         * doc/extend.texi: Document weakref attribute.
2630         * varasm.c (ultimate_transparent_alias_target): New
2631         (assemble_name): Use it.
2632         (weak_finish_1): Split out of...
2633         (weak_finish): ... and deal with weakrefs in...
2634         (weakref_targets): ... new list.
2635         (globalize_decl): Clean up weakref_targets.
2636         (do_assemble_alias): Handle weakrefs.
2637         (finish_aliases_1): Do not reject weakrefs to external symbols.
2638         (assemble_alias): Handle weakrefs.
2639
2640 2005-11-09  Richard Guenther  <rguenther@suse.de>
2641
2642         PR tree-optimization/24716
2643         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2644         t_bool to track results from follow_ssa_edge.
2645
2646 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2647
2648         * final.c (force_source_line): New global variable.
2649         (final_scan_insn): Set it to true instead of clearing last_filename.
2650         (notice_source_line): Return true if force_source_line is true,
2651         unless source info is absent.
2652
2653 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2654
2655         PR c/24644
2656         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2657         a linkage name for a variable if it a register variable.
2658         * c-decl.c (grokdeclarator): Global register variables
2659         should be set as PUBLIC.
2660
2661 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2662
2663         PR 24624
2664         * config/s390/s390.c (struct s390_frame_layout): New fields
2665         first_save_gpr_slot and last_save_gpr_slot.
2666         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2667         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2668         first_save_gpr and last_save_gpr with the _slot variants.
2669         (s390_register_info): Calculate first_save_gpr_slot and
2670         last_save_gpr_slot using regs_ever_live.
2671
2672 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2673
2674         PR 24623
2675         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2676         for a function containing a landing pad.
2677
2678 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2679
2680         PR 24034
2681         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2682         is live afterwards.
2683
2684 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2685
2686         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2687         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2688
2689 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2690
2691         Add ms2 support
2692         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2693         constants.
2694         (call,load,store): New insn types.
2695         (mem_access, branch_access): Adjust reservation conditions.
2696         (define_delay): Adjust condition.
2697         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2698         type.
2699         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2700         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2701         insn type.
2702         (call_internal, call_value_internal, return_internal,
2703         return_interrupt_internal, eh_return_internal, indirect_jump,
2704         tablejump): Set call insn type.
2705         (blockage, ei, di): Use appropriate unspec const.
2706         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2707         (ms1_get_attr_type): Adjust to give load & store types.
2708         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2709         backwards past a barrier.
2710         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2711         branch scheduling.
2712         (struct branch_info, struct label_info): New.
2713         (ms1_labels): New.
2714         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2715         (ms1_machine_reorg): New.
2716         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2717         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2718         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2719         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2720         (TARGET_MS2): New.
2721
2722 2005-11-09  Per Bothner  <per@bothner.com>
2723             Uros Bizjak  <uros@kss-loka.si>
2724
2725         PR c/24101
2726         * toplev.c (process_options): Initialize debug_hooks early
2727         in case lang_hooks.post_options ends up calling a debug_hook.
2728
2729 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2730
2731         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2732         DBX_REGISTER_NUMBER being contiguous.
2733
2734 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2735             Diego Novillo  <dnovillo@redhat.com>
2736
2737         PR 23046
2738         * tree-vrp.c (register_edge_assert_for): Do not register
2739         always-false predicates.
2740
2741 2005-11-08  Devang Patel <dpatel@apple.com>
2742
2743         PR tree-optimization/23115
2744         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2745         relation.
2746
2747 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2748
2749         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2750         -mcpu=440.
2751
2752 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2753
2754         Fix PR tree-optimization/23382
2755
2756         * tree-ssa-alias.c (compute_may_aliases): Call
2757         delete_old_heap_vars.
2758         * tree-dfa.c (referenced_var_remove): New function.
2759         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2760         * tree-flow.h (referenced_var_remove): Add prototype.
2761         (delete_old_heap_vars): Ditto.
2762         * tree-ssa-structalias.c (heapvars): New variable.
2763         (oldheapvars): Ditto.
2764         (get_constraint_for): Put heap vars on heapvars list.
2765         (delete_old_heap_vars): New function.
2766
2767 2005-11-08  Jason Merrill  <jason@redhat.com>
2768
2769         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2770
2771 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2772
2773         PR target/19340
2774         * reg-stack.c (reg_to_stack): Update register liveness also
2775         for flag_sched2_use_traces.
2776
2777 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2778
2779         PR target/23704
2780         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2781         override prior explicit -mno-powerpc-gfxopt.
2782
2783 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2784
2785         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2786         if the bitsize is zero.
2787         * doc/md.texi (Standard Pattern Names): Document it.
2788
2789         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2790         (TARGET_PASS_BY_REFERENCE): Likewise.
2791
2792 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2793
2794         PR rtl-optimization/24683
2795         * config/i386/i386.c (legitimize_pic_address): If constant operand
2796         to PLUS is too large, put it in a register.
2797
2798 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2799
2800         * configure.ac: Enable checking assembler dwarf2 support for bfin
2801         target.
2802         * configure: Regenerate.
2803
2804 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2805
2806         PR target/24230
2807
2808         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2809         gen_easy_vector_constant_add_self): Delete.
2810         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2811         New.
2812         (output_vec_const_move): Use gen_easy_altivec_constant.
2813         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2814         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2815         (easy_vector_constant_add_self): Rewritten.
2816         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2817         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2818         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2819         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2820         Macroize and adjust for the other changes.
2821
2822 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2823
2824         PR c/24599
2825
2826         * c-typeck.c (build_c_cast): Try using a shared constant, and see
2827         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2828
2829 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
2830
2831         PR rtl-optimization/23567
2832         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2833         (noce_process_if_block): Don't do any optimizations except
2834         if (cond) x = x; if !set_b and write into orig_x may trap
2835         or fault.  Remove the MEM_READONLY_P check.
2836
2837 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
2838
2839         PR 24670
2840         * tree-vrp.c (fix_equivalence_set): New.
2841         (extract_range_from_assert): Call it.
2842
2843 2005-11-05  Ian Lance Taylor  <ian@airs.com>
2844
2845         PR target/22432
2846         * combine.c (apply_distributive_law): Don't distribute across a
2847         vector mode subreg.
2848
2849 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
2850
2851         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2852         config/ms1/ms1.h, config/rs6000/predicates.md,
2853         config/s390/s390.c, params.def, postreload-gcse.c,
2854         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2855         tree-vrp.c, tree.c: Fix comment typos.
2856         * doc/invoke.texi: Fix typos.
2857
2858 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
2859
2860         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2861         for testing whether the data_dependence_relation contains distance
2862         vectors.  Iterate over all distance vectors of the ddr.
2863         * lambda.h: Define a vec of lambda_vector pointers.
2864         * tree-data-ref.c (dump_data_dependence_relation,
2865         dump_data_dependence_direction): Iterate over all distance and
2866         direction vectors of the ddr.
2867         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2868         DDR_DIST_VECTS.
2869         (build_classic_dist_vector, build_classic_dir_vector): Push a set
2870         of distance/direction vectors instead of a single one.
2871         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2872         lambda_vectors with a vec of lambda_vectors.
2873         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2874         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2875         DDR_NUM_DIST_VECTS): New.
2876         * tree-loop-linear.c (gather_interchange_stats): Test for the
2877         existence of distance vectors only after having checked that there
2878         is a dependence.  Iterate over all distance vectors of the ddr.
2879         (linear_transform_loops): Use dump_data_dependence_relation.
2880         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2881         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
2882         distance vectors of the ddr.
2883
2884 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2885
2886         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2887         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2888         IS_INTHANDLER; all callers changed.
2889         (n_regs_saved_by_prologue): Take interrupt handler attributes into
2890         account.
2891         (do_link, do_unlink): New argument ALL; all callers changed.
2892         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2893         If function isn't leaf, save and restore all registers.
2894         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2895         exception handler.
2896
2897 2005-11-05  Jan Hubicka  <jh@suse.cz>
2898
2899         PR rtl-optimization/23490
2900         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2901         max-flow-memory-location): Document.
2902         * flow.c: Include params.h
2903         (MAX_MEM_SET_LIST_LEN): Kill.
2904         (add_to_mem_set_list): Use new param.
2905         * cse.c (cse_basic_block): Replace 1000 by new param.
2906         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2907         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2908         * predict.c (predict_loops): Use new param.
2909         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2910
2911         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2912         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2913         Do not hold memory returned by cgraph_node_name across other call.
2914
2915 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
2916
2917         PR target/23424
2918         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2919         Disable.
2920
2921 2005-11-04  Jeff Law  <law@redhat.com>
2922
2923         PR/21883
2924         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2925         * tree-ssa-dom.c: Include params.h.
2926         (thread_across_edge): If there are too many statements in the
2927         target block, then do not thread through it.
2928         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2929         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2930
2931 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
2932
2933         PR 24627
2934         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2935         TODO_update_ssa instead of TODO_update_ssa_no_phi.
2936
2937 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
2938
2939         PR/18595
2940         * tree-scalar-evolution.c (instantiate_parameters_1,
2941         instantiate_parameters, resolve_mixers): Compute the size of an
2942         expression to be instantiated and give up the instantiation if the
2943         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2944
2945 2005-11-04  Richard Guenther  <rguenther@suse.de>
2946
2947         * tree-flow.h (ref_contains_indirect_ref): Rename to
2948         array_ref_contains_indirect_ref.
2949         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2950         (array_ref_contains_indirect_ref): Make comment match the code
2951         and vice-versa.
2952         (ref_contains_array_ref): Likewise.
2953         * tree-ssa-structalias.c (find_func_aliases): Remove call to
2954         ref_contains_indirect_ref.
2955         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2956         Rename calls to ref_contains_indirect_ref.
2957
2958 2005-11-04 Paul Brook  <paul@codesourcery.com>
2959
2960         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2961         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2962         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2963         * config/arm/arm.md: Use match_operand in peephole input templates
2964         and match_dup in peephole output templates.
2965
2966 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2967
2968         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2969         __aeabi_uidiv.
2970
2971 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
2972             Daniel Jacobowitz  <dan@codesourcery.com>
2973
2974         * longlong.h (add_ssaaaa): Clobber condition code register
2975         in ARM version.
2976         (sub_ddmmss): Likewise.
2977         (umul_ppmm): Likewise.
2978
2979 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2980             Paul Brook  <paul@codesourcery.com>
2981             Phil Blundell  <pb@reciva.com>
2982
2983         * configure.ac: Add test for ARM TLS support.
2984         * configure: Regenerated.
2985         * config/arm/arm-protos.h (legitimize_tls_address)
2986         (arm_tls_referenced_p, tls_mentioned_p)
2987         (arm_output_addr_const_extra): New prototypes.
2988         (thumb_legitimize_pic_address): Delete.
2989         * config/arm/arm.c: Include "gt-arm.h".
2990         (enum tls_reloc): New.
2991         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2992         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2993         (arm_call_tls_get_addr, legitimize_tls_address)
2994         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2995         (arm_init_tls_builtins, arm_emit_tls_decoration)
2996         (arm_output_addr_const_extra): New functions.
2997         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2998         (TARGET_HAVE_TLS): Define.
2999         (target_thread_pointer): New.
3000         (arm_override_options): Handle -mtp=.
3001         (legitimize_pic_address): Ignore UNSPECs.
3002         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3003         relative symbols.
3004         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3005         (tls_get_addr_libfunc): New variable.
3006         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3007         (arm_init_builtins): Call arm_init_tls_builtins.
3008         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3009         (arm_encode_section_info): Call default_encode_section_info.
3010         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3011         (enum arm_tp_type): New.
3012         (target_thread_pointer): Add declaration.
3013         (LEGITIMATE_CONSTANT_P): Handle TLS.
3014         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3015         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3016         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3017         * config/arm/arm.md: Add UNSPEC_TLS.
3018         (movsi): Handle TLS.
3019         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3020         non-PIC.
3021         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3022         (load_tp_hard, load_tp_soft): New insns.
3023         * arm.opt: Add -mtp=.
3024         * doc/invoke.texi (ARM Options): Document -mtp.
3025
3026 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3027
3028         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3029         * config/arm/libunwind.S: Include "lib1funcs.asm".
3030         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3031         (LIB2ADDEH): Add libunwind.S.
3032         (LIB2ADDEHDEP): Add lib1funcs.asm.
3033         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3034
3035 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3036
3037         PR fortran/18452
3038         * gcc/c.opt: Add a -lang-fortran option.
3039         * gcc/c-opts.c: Add a lang_fortran flag.
3040         (c_common_init_options): Handling the -lang-fortran option.
3041         (c_common_handle_option): Add a case for Fortran options in
3042         preprocessing. Remove cases for -ffixed-form and
3043         -ffixed-line-length. Add a case for -lang-fortran.
3044
3045 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3046
3047         * config/rs6000/rs6000.c: Include params.h
3048         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3049         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3050         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3051         (UNSPEC_VPKUWSS): Delete.
3052         (altivec_vpkuhss): Delete.
3053         (altivec_vpkuwss): Delete.
3054         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3055         final condition.
3056         (neg_eq0<mode>): Remove final condition.
3057         (neg_eq<mode>): Remove condition and split-condition.
3058
3059 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3060
3061         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3062         Use associated print macros.
3063
3064 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3065
3066         PR c++/17964
3067         * diagnostic.c (diagnostic_set_info_translated): New function.
3068         (diagnostic_set_info): Use it.  Add comment.
3069         * diagnostic.h (diagnostic_set_info_translated): Declare.
3070
3071 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3072
3073         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3074         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3075         reference only if 'public' is true.
3076         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3077         emit the .hidden directive only if the indirect reference is public.
3078         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3079         Pass it to dw2_force_const_mem.
3080         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3081         * dwarf2out.c (output_cfi): Adjust calls to above function.
3082         (output_call_frame_info): Likewise.
3083         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3084         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3085
3086 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3087
3088         PR tree-optimization/24483
3089         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3090         field to elts if possible.
3091
3092 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3093
3094         PR middle-end/23155
3095         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3096         CONSTRUCTOR.
3097
3098 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3099
3100         Fix PR tree-optimization/24351
3101
3102         * tree-ssa-structalias.c (struct variable_info): Add
3103         collapsed_into.
3104         (get_varinfo_fc): New function to follow collapsing.
3105         (new_var_info): Set collapsed_to to NULL.
3106         (dump_constraint): Follow collapsing.
3107         (build_constraint_graph): Handle collapsing.
3108         (do_simple_structure_copy): Return false if something bad
3109         happened.
3110         (collapse_rest_of_var): New function.
3111         (do_structure_copy): Collapse if do_simple_structure_copy returns
3112         false.
3113
3114 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3115
3116         PR middle-end/24589
3117         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3118         expressions to a statement list instead of gimplifying them.
3119
3120 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3121
3122         PR rtl-optimization/23585
3123         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3124         that can't trap plus a constant integer, if the mode has zero size.
3125
3126 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3127
3128         PR target/24620
3129         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3130         as operand 2.
3131         ("*insv<mode>_reg_extimm"): Likewise.
3132
3133 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3134
3135         PR c/24329
3136         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3137         c_common_type_for_mode returns an unnamed type.
3138
3139 2005-11-02  Richard Henderson  <rth@redhat.com>
3140
3141         PR target/9350
3142         PR target/24374
3143         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3144         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3145         * function.c (assign_parms): Use calls.internal_arg_pointer.
3146         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3147         code.
3148         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3149         (TARGET_CALLS): Add it.
3150         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3151         * targhooks.c (default_internal_arg_pointer): New.
3152         * targhooks.h (default_internal_arg_pointer): Declare.
3153         * tree.h (dwarf2out_reg_save_reg): Declare.
3154         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3155         * config/i386/i386.c (dbx_register_map): Add return column.
3156         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3157         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3158         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3159         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3160         (ix86_save_reg): Save force_align_arg_pointer.
3161         (ix86_emit_save_regs): Make regno unsigned.
3162         (ix86_emit_save_regs_using_mov): Likewise.
3163         (ix86_expand_prologue): Handle force_align_arg_pointer.
3164         (ix86_expand_epilogue): Likewise.
3165         * config/i386/i386.h: (dbx_register_map): Update.
3166         (dbx64_register_map, svr4_dbx_register_map): Update.
3167         (struct machine_function): Add force_align_arg_pointer.
3168         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3169         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3170         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3171
3172 2005-11-02  Jan Hubicka  <jh@suse.cz>
3173
3174         PR target/23303
3175         * i386.md: Add peep2 for simplyfing array accesses.
3176
3177 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3178
3179         PR target/24615
3180         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3181         * config/s390/s390.c (s390_decompose_shift_count): New function.
3182         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3183         (print_shift_count_operand): Use s390_decompose_shift_count.
3184         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3185         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3186
3187 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3188
3189         PR target/24600
3190         * loop.c (loop_givs_rescan): Use force_operand to expand
3191         complex GIVs.
3192
3193 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3194
3195         PR 22429
3196         * fold-const.c (build_range_check): Use unsigned when signed
3197         overflow is undefined also.  If etype is subtype, make sure that
3198         the subtraction is in the supertype.
3199
3200 2005-11-02  Richard Henderson  <rth@redhat.com>
3201
3202         PR target/24178
3203         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3204         by MEM_ALIGN.
3205
3206 2005-11-01  Richard Henderson  <rth@redhat.com>
3207
3208         PR 21518
3209         * loop.c (scan_loop): Do not propagate computations to a hard
3210         register destination with SMALL_REGISTER_CLASSES.
3211
3212 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3213
3214         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3215         costs for MULT inside PLUS or MINUS.
3216
3217 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3218
3219         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3220         (TRAMPOLINE_SIZE): Round up to 60.
3221         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3222
3223 2005-10-31  James E. Wilson  <wilson@specifix.com>
3224
3225         PR debug/24444
3226         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3227         ifdef.  Put ifdefs around call in gen_subprogram_die.
3228         (compute_frame_pointer_to_cfa_displacement): Likewise.
3229         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3230         not defined.
3231
3232         PR rtl-optimization/17356
3233         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3234         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3235
3236 2005-10-31  Jan Hubicka  <jh@suse.cz>
3237
3238         PR middle-end/24093
3239         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3240
3241         PR target/20928
3242         * i386.c (legitimize_pic_address): Deal with large immediates.
3243
3244         PR profile/20815
3245         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3246         from symbol names while computing checkup.
3247
3248         PR profile/24487
3249         * predict.c (predict_loops): Do not estimate more than
3250         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3251         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3252
3253 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3254
3255         PR tree-optimization/19097
3256         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3257
3258 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3259
3260         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3261
3262 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3263
3264         PR middle-end/23492
3265         * tree-inline.c (setup_one_parameter): If the init_stmt
3266         is NULL, don't insert the statement.
3267
3268 2005-10-30  Jan Hubicka  <jh@suse.cz>
3269
3270         PR tree-optimization/24172
3271         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3272
3273 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3274
3275         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3276         constants for hosts with long != 32 bits.
3277
3278 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3279
3280         PR middle-end/24093
3281         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3282
3283 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3284
3285         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3286         (TARGET_MS1_16_002): New.
3287         (TARGET_MS1_16_003): New.
3288
3289         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3290         ("*decrement_and_branch_until_zero_no_clobber"): New.
3291         Add corresponding splitter for decrement_and_branch_until_zero
3292         instruction.
3293         Key all decrement_and_branch_until_zero patterns off of
3294         TARGET_MS1_16_003.
3295
3296 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3297
3298         PR middle-end/24362
3299         * tree-complex.c (extract_component): Treat RESULT_DECL
3300         like the rest of the decls.
3301
3302 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3303
3304         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3305         indirect call to _mcount if the function needs a static chain.
3306
3307 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3308             Caroline Tice  <ctice@apple.com>
3309
3310         PR rtl-optimization/24460
3311         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3312         (dwarf2out_switch_text_section): Set it to true instead of
3313         incrementing separate_line_info_table_in_use.
3314         (output_loc_list): Additionally test have_switched_text_sections.
3315         (output_ranges): Likewise.
3316         (dwarf2out_finish): Likewise.
3317         * varasm.c (assemble_start_function): Do not call
3318         insert_section_boundary_note.
3319         (assemble_end_function): If flag_reorder_blocks_and_partition,
3320         switch to the function's section before emitting the .size directive.
3321         * bb-reorder.c (insert_section_boundary_note): Staticify.
3322         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3323         * output.h (insert_section_boundary_note): Delete.
3324
3325 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3326
3327         PR c/23103
3328         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3329         instead of pointer equality when comparing types.
3330
3331 2005-10-24  James E. Wilson  <wilson@specifix.com>
3332
3333         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3334         add_dependence_list_and_free calls.
3335
3336 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3337
3338         * contrib.texi: Add the names of the LLNL folks who donated
3339         Cray pointer support for gfortran.
3340
3341 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3342
3343         PR tree-optimization/24225
3344         * profile.c (branch_prob): Look from end to start through a
3345         basic block when looking for a locus.
3346
3347 2005-10-24  Richard Henderson  <rth@redhat.com>
3348
3349         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3350         parallel.
3351         (hppa_expand_prologue): Likewise.
3352
3353 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3354
3355         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3356         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3357         * pa.h (NO_PROFILE_COUNTERS): Define.
3358         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3359         (funcdef_nos): New vector to hold label numbers of deferred profile
3360         counters.
3361         (output_deferred_profile_counters): New function.
3362         (hppa_profile_hook): Push label number onto funcdef_nos.
3363         (pa_hpux_file_end): Call output_deferred_profile_counters if
3364         NO_DEFERRED_PROFILE_COUNTERS is false.
3365
3366         * pa-protos.h (get_deferred_plabel): New prototype.
3367         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3368         Make global.
3369         (output_call): Adjust calls.
3370
3371 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3372
3373         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3374         peculiarity of GOT/TOC section usage.
3375
3376 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3377
3378         PR objc/24435
3379          * c-common.c (constant_string_class_name): Add documentation.
3380
3381 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3382
3383         PR target/23832
3384         * recog.c (peephole2_optimize): Increment peep2_current_count
3385         only when the slot is empty.
3386
3387 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3388
3389         PR ada/23957
3390         * except.c (output_function_exception_table): Call
3391         assemble_external_libcall if we need a personality function.
3392
3393 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3394
3395         PR rtl-optimization/24460
3396         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3397         set the basic block for barriers.
3398
3399 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3400
3401         * var-tracking.c (vt_initialize): Initialize post.
3402
3403 2005-10-21  Devang Patel  <dpatel@apple.com>
3404
3405         PR/24220
3406         * c-common.c (vector_types_convertible_p): Check vector element type.
3407
3408 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3409
3410         * config/sh/sh.c (prepare_move_operands): Handle the address
3411         constant which is a tls symbolic address plus a constant.
3412
3413 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3414
3415         PR driver/24473
3416         * gcc.c (main): Use the correct counter for erroring out
3417         about mulitple files.
3418
3419 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3420
3421         PR target/24465
3422         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3423         use r2 for 64-bit tls .got access.
3424
3425 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3426
3427         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3428         TRUTH_OR_EXPR.
3429
3430 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3431
3432         PR tree-optimization/24307
3433         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3434
3435 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3436
3437         PR middle-end/24295
3438         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3439         alias targets.
3440         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3441         is ready, stop marking functions, but still mark variables.
3442
3443 2005-10-20  Richard Guenther  <rguenther@suse.de>
3444
3445         PR c++/24439
3446         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3447         void type operands.
3448
3449 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3450
3451         PR rtl-optimization/23585
3452         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3453         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3454         (may_trap_p_1): New predicate extracted from...
3455         (may_trap_p): ... here.  Invoke may_trap_p_1.
3456         (may_trap_or_fault_p): New predicate.
3457         * rtl.h (may_trap_or_fault_p): Declare it.
3458         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3459         instead of may_trap_p.
3460         (steal_delay_list_from_fallthrough): Likewise.
3461         (fill_simple_delay_slots): Likewise.
3462         (fill_slots_from_thread): Likewise.
3463         * function.c (pad_to_arg_alignment): Rework comment about
3464         SPARC_STACK_BOUNDARY_HACK.
3465         * config/sparc/sparc.h: Likewise.
3466
3467 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3468
3469         * config/s390/s390.c (s390_expand_insv): New.
3470         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3471         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3472         ("icm_hi"): Remove mode attribute.
3473         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3474         Adjust all uses.
3475         ("*extracthi", "*extractqi"): Remove.
3476         (extv<mode>", "*extzv<mode>"): New.
3477         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3478         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3479
3480 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3481
3482         * cfgexpand.c (discover_nonconstant_array_refs_r,
3483         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3484         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3485         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3486         discover_nonconstant_array_refs.
3487
3488 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3489
3490         PR c/23228
3491         * c-decl.c (pop_scope): Don't warn about an unused variable
3492         if it is marked with TREE_NO_WARNING.
3493         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3494         somenow mismatch and olddecl is to be replaced.
3495
3496 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3497
3498         PR middle-end/23199
3499         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3500         whether registers live on the edge can be saved/restored.
3501
3502 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3503
3504         * config/sh/sh.c (fixup_mova): Skip notes.
3505
3506 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3507
3508         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3509         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3510         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3511         (s390_initial_elimination_offset): Likewise.
3512         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3513         register on TARGET_ZARCH targets.
3514         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3515         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3516         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3517         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3518
3519 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3520
3521         * config/s390/s390.md: Comment describing output modifiers updated.
3522         * config/s390/s390.c (print_operand): Likewise.
3523
3524 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3525
3526         * config/s390/s390.c (override_options): Added check for -mstack-size
3527         64k limitation.
3528         * doc/invoke.texi: Mention that limit in the documenation.
3529
3530 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3531
3532         PR #19672
3533         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3534
3535 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3536
3537         Fix PR tree-optimization/24231
3538
3539         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3540         (compute_avail): Ditto.
3541
3542 2005-10-18  Richard Henderson  <rth@redhat.com>
3543
3544         PR target/24428
3545         * config/i386/i386.c (legitimate_constant_p): Check
3546         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3547         if LABEL_REF.
3548         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3549         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3550         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3551         directly.
3552         (print_operand_address): Likewise.
3553         * config/i386/predicates.md (x86_64_immediate_operand): Test
3554         SYMBOL_REF_TLS_MODEL properly inside CONST.
3555         (x86_64_zext_immediate_operand): Likewise.
3556         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3557         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3558         * config/i386/i386-protos.h: Remove predicates.md entries.
3559
3560 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3561
3562         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3563         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3564
3565 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3566             Ian Lance Taylor <ian@airs.com>
3567
3568         PR middle-end/23522
3569         * fold-const.c (fold_widened_comparison): Do not allow range based
3570         constant folding when right operand cannot be unwidened.
3571
3572 2005-10-17  Richard Henderson  <rth@redhat.com>
3573
3574         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3575         with a memory clobber.
3576
3577 2005-10-17  James E Wilson  <wilson@specifix.com>
3578
3579         PR rtl-optimization/17356
3580         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3581         checking for EDGE_EH.
3582
3583 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3584
3585         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3586         the slot on an even boundary for any type with 16-byte alignment.
3587
3588 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3589
3590         PR target/23424
3591         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3592         after register allocation.
3593
3594 2005-10-17  DJ Delorie  <dj@redhat.com>
3595
3596         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3597         as frame related.
3598
3599 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3600
3601         PR c++/22551
3602         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3603         overflow flags.
3604
3605 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3606
3607         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3608         to 2 if it's already non-zero.
3609         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3610         is set and warn about it if flag_schedule_insns is 1.
3611
3612 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3613
3614         * config/crx/crx.md: Compare-and-branch instructions need to
3615         invalidate CC.
3616
3617 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3618
3619         PR target/24315
3620         * config/i386/i386.md (*pushdi2_rex64 splitter)
3621         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3622         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3623         flow2 pass only when (optimize > 0 && flag_peephole2).
3624
3625 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3626
3627         PR driver/22544
3628         * gcc.c (have_c): New static variable.
3629         (have_o): Likewise.
3630         (process_command): Remove declation of have_c.
3631         Set have_o to 1 when handling -o.
3632         (main): Add a fatel error if there are multiple
3633         files specified and -o and -c/-S is passed witout
3634         -combine or multiple languages.
3635
3636 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3637
3638         Fix PR tree-optimization/22444
3639         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3640         Assert that we don't hit something with subvars.
3641         (setup_pointers_and_addressables): Don't add things with subvars,
3642         because we'll already process the subvars for aliasing purposes.
3643
3644 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3645
3646         PR target/23424
3647         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3648         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3649         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3650         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3651         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3652         swapped, alternatives for the R constraint.
3653
3654         PR middle-end/24341
3655         * builtins.c (get_builtin_sync_mode): Make unlimited
3656         mode_for_size request.
3657
3658 2005-10-15  Richard Henderson  <rth@redhat.com>
3659
3660         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3661         (gimplify_expr): ... here.
3662         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3663         fb_lvalue in base expression.
3664
3665 2005-10-15  Richard Henderson  <rth@redhat.com>
3666
3667         PR 23714
3668         * builtins.c (expand_builtin_trap): Export.
3669         * expr.h (expand_builtin_trap): Declare.
3670         * expr.c (expand_assignment): Emit a trap for integral offsets
3671         from registers that weren't reduced to bitpos.
3672
3673         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3674         (mark_array_ref_addressable): Remove.
3675         * tree-flow.h (mark_array_ref_addressable): Remove.
3676         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3677
3678 2005-10-15  James E Wilson  <wilson@specifix.com>
3679
3680         PR target/24232
3681         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3682         (add_dependence_list_and_free): Likewise.
3683         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3684         call.
3685
3686 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3687
3688         PR 23141
3689         PR 23142
3690         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3691         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3692         anti-range.
3693         (vrp_visit_phi_node): Only prevent infinite iterations when
3694         the previous result and the new result are both VR_RANGEs.
3695
3696 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3697
3698         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3699         function comment.
3700
3701 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3702
3703         PR c/23439
3704         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3705         to initialize loc.
3706
3707 2005-10-14  Per Bothner  <per@bothner.com>
3708
3709         PR preprocessor/21250
3710         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3711
3712 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3713
3714         PR c++/22551
3715         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3716         overflow flags.  Refactor some conditionals.
3717
3718 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3719
3720         PR tree-opt/21304
3721         * tree-dfa.c (add_referenced_var): Only look at decls which
3722         have TREE_CONSTANT or TREE_READONLY set instead of if
3723         !TREE_PUBLIC or !TREE_CONSTANT.
3724
3725 2005-10-13  James E Wilson  <wilson@specifix.com>
3726
3727         * doc/invoke.texi: For -x, add f95-cpp-input.
3728         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3729
3730 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3731
3732         PR tree-optimization/24262
3733         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3734         in loop all the time.
3735
3736 2005-10-12  Richard Henderson  <rth@redhat.com>
3737
3738         PR c/24255
3739         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3740         * function.c (assign_parm_find_data_types): Don't support it.
3741         * print-tree.c (print_node): Likewise.
3742         * c-common.c (handle_transparent_union_attribute): Likewise.
3743         Use build_duplicate_type.
3744         * tree-inline.c (remap_type_1): Split out of remap_type;
3745         properly remap aggregate fields.
3746         (build_duplicate_type): New.
3747         * doc/extend.texi (Variable Attributes): Remove documentation
3748         for transparent_union.
3749
3750 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3751
3752         PR target/24284
3753         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3754         (gen_stack_pointer_dec): Likewise.
3755
3756 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3757
3758         PR middle-end/21275
3759         PR middle-end/21766
3760         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3761         target hook.
3762         (struct cxx): Add adjust_class_at_definition target hook.
3763         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3764         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3765         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3766         hook_void_tree. Add to TARGET_CXX.
3767         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3768         dllimport_flag.
3769         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3770         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3771         instead of attribute. Check for dllexport override.  Warn if
3772         inconsistent dll linkage. Don't lose old dllimport if decl has
3773         had address referenced.   Tweak lookup of dllimport atribute.
3774         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3775         for target specific rules.  Don't add dllimport attribute if
3776         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3777         dllimport attribute.
3778         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3779         * varasm.c (initializer_constant_valid_p): Replace
3780         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3781
3782         PR target/21801
3783         PR target/23589
3784         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3785         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3786         (i[34567]86-*-mingw32*): Likewise.
3787
3788         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3789         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3790
3791         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3792         C++-specific code. Change return value to bool.
3793         (i386_pe_dllimport_p): Likewise.
3794         (associated_type): Simplify and make language-independent
3795         (i386_pe_encode_section_info): Replace override of ambiguous
3796         dllimport symbol refs with a gcc_assert.
3797         (i386_pe_valid_dllimport_attribute_p): Define.
3798         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3799         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3800         i386_pe_adjust_class_at_definition.
3801         * config/i386/winnt-stubs.c: New file. Define stub versions of
3802         lang-specific functions.
3803         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3804         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3805         i386_pe_adjust_class_at_definition.
3806         (i386_pe_valid_dllimport_attribute_p): Declare.
3807         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3808         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3809         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3810
3811         PR target/19704
3812         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3813         dllimport attribute with test of DECL_DLLIMPORT_P.
3814
3815 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3816
3817         * combine.c (make_extraction): Correct offset computation.
3818
3819 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
3820
3821         * config/cris/t-linux (LIMITS_H_TEST): Define.
3822
3823 2005-10-12  Richard Henderson  <rth@redhat.com>
3824
3825         PR rtl-opt/23324
3826         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3827
3828 2005-10-12  Richard Guenther  <rguenther@suse.de>
3829
3830         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3831
3832 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
3833
3834         PR c++/19964
3835         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3836         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3837         type.
3838
3839 2005-10-12  Richard Guenther  <rguenther@suse.de>
3840
3841         PR c++/23799
3842         * varasm.c (output_constant): Correct typo from previous
3843         patch by DJ.
3844
3845 2005-10-11  Ian Lance Taylor  <ian@airs.com>
3846
3847         PR rtl-optimization/13931
3848         * combine.c: Revert patch of 2003-05-14, and:
3849         (try_combine): Only set elim_i1 and elim_i2 if the destination is
3850         completely killed in the appropriate insn.
3851         (distribute_notes): Don't skip multiple hard register test for
3852         elim_i1 and elim_i2.
3853
3854 2005-10-11  Richard Henderson  <rth@redhat.com>
3855
3856         PR c/24255
3857         * c-typeck.c (convert_for_assignment): Use build_constructor_single
3858         to initialize a transparent union instead of a nop_expr.
3859
3860 2005-10-11  Richard Henderson  <rth@redhat.com>
3861
3862         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3863         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3864         (tree_ssa_dce_loop): Call scev_reset.
3865
3866         PR tree-opt/24300
3867         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3868         * tree-ssa-dce.c: Include cfgloop.h.
3869         (tree_ssa_dce_loop, pass_dce_loop): New.
3870         * tree-pass.h (pass_dce_loop): Declare it.
3871         * passes.c (init_optimization_passes): Use it.
3872
3873 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3874
3875         PR middle-end/24263
3876         * convert.c (convert_to_real): Revert 2005-10-05 patch.
3877         Only apply the optimization for rounding builtins if the inner
3878         cast is also an extension.
3879
3880 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
3881
3882         PR tree-opt/23946
3883         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3884         mark_new_vars_to_rename instead of update_stmt.
3885
3886 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3887
3888         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3889
3890 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
3891
3892         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3893         for setting MMX register to 0 rather than mmx.
3894
3895 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
3896
3897         PR target/12098
3898         * configure.ac: Move gas check from mips specific case to common case.
3899         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3900         * configure: Regenerate
3901         * doc/install.texi: Update.
3902
3903 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3904
3905         PR target/24284
3906         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3907
3908 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
3909
3910         * gcc.c (do_spec_1): Accept numeric characters in file name
3911         suffixes.
3912
3913 2005-10-10  Nick Clifton  <nickc@redhat.com>
3914
3915         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
3916         describing the deleted arm_gen_rotated_half_load function.
3917
3918 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3919
3920         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3921         __fpscr_values.
3922
3923 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
3924
3925         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3926         gnu_ld assignments.
3927         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3928         (EXTRA_MULTILIB_PARTS): Define.
3929         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3930         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3931         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3932         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3933         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3934         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3935
3936 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
3937
3938         PR tree-optimization/24226
3939         * tree-cfg.c (remove_bb): Clean up unreachable loops.
3940         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3941         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3942         Export.
3943
3944 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3945
3946         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3947
3948 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
3949
3950         PR target/24136
3951         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3952         Rewrite for no need for the early clobber.
3953
3954 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
3955
3956         Merge from csl-arm-branch:
3957         2005-09-07  Paul Brook  <paul@codesourcery.com>
3958         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3959         space to string.
3960
3961         2005-04-30  Paul Brook  <paul@codesourcery.com>
3962         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3963         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3964
3965         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
3966         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3967         (arm_override_options): Use TARGET_AAPCS_BASED.
3968         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3969         (PTRDIFF_TYPE): Use int for AAPCS.
3970         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3971         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3972         (DEFAULT_SHORT_ENUMS): Delete.
3973         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3974
3975         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
3976         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3977         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3978         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3979
3980         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
3981         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3982
3983         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
3984         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3985
3986         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
3987         * config.gcc (arm*-*-linux-gnueabi): Add it.
3988         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3989         redefining it.
3990         (TARGET_OS_CPP_BUILTINS): Likeiwse.
3991         * config/arm/linux-eabi.h: New file.
3992         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3993         (LINUX_TARET_LINK_SPEC): Likewise.
3994         (LINK_SPEC): Use it.
3995         * config/arm/t-linux-eabi: New file.
3996
3997 2005-10-08  Steven Bosscher  <stevenb@suse.de>
3998
3999         PR other/22202
4000         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4001         spaces.
4002         (PARAM_SMS_DFA_HISTORY): Likewise.
4003
4004 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4005
4006         PR middle-end/23150
4007         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4008         (load_register_parameters): Call it.
4009         (check_sibcall_argument_overlap_1): Likewise.
4010         (store_one_arg): Likewise.
4011
4012 2005-10-07  James E. Wilson  <wilson@specifix.com>
4013
4014         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4015         DImode not VECINT24 for operand 2.
4016
4017         PR target/23644
4018         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4019         -mtune-arch.
4020
4021         PR target/24193
4022         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4023         fr_spill): Use destination_operand for operand 0.
4024
4025 2005-10-07  DJ Delorie  <dj@redhat.com>
4026
4027         * varasm.c (output_constant): Limit error to expanding
4028         conversions.
4029
4030 2005-10-07  Richard Guenther  <rguenther@suse.de>
4031
4032         PR middle-end/24227
4033         * fold-const.c (fold_binary): Fix operand types during folding
4034         of X op (A, Y).  Evaluation order of the side-effects of
4035         X and A are frontend-defined, so ensure we honour that even for
4036         tcc_comparison class operands; eased by removing duplicate code.
4037
4038 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4039
4040         * stor-layout.c (layout_type): Do not allow alignment of array
4041         elements to be greater than their size.
4042
4043 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4044
4045         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4046         host_xmake_file.
4047         (hppa*-*-linux*): Ditto.
4048         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4049         * config/host-hpux.c: New.
4050         * config/x-hpux: New.
4051         * config/pa/x-hpux: Remove.
4052         * config/pa/x-linux: Remove.
4053         * config/pa/pa-host.c: Remove.
4054
4055 2005-10-07  Jeff Law  <law@redhat.com>
4056
4057         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4058         determine whether or not to try and thread outgoing edges.
4059
4060 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4061
4062         * config/rs6000/rs6000.md (eqsi_power): New.
4063         (neg_eq0si): Add TARGET_POWER to final condition.
4064         (neg_eqsi): Same.
4065
4066 2005-10-06  Richard Henderson  <rth@redhat.com>
4067
4068         * config/rs6000/rs6000.c: Revert last change.
4069
4070 2005-10-06  Richard Henderson  <rth@redhat.com>
4071
4072         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4073         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4074
4075 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4076
4077         PR middle-end/22216
4078         PR middle-end/23651
4079         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4080         out return_label and naked_return_label.
4081
4082 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4083
4084         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4085         change.
4086
4087 2005-10-06  Richard Henderson  <rth@redhat.com>
4088
4089         PR tree-opt/22237
4090         * tree-inline.c (declare_return_variable): Handle modify_dest not
4091         being a DECL.
4092
4093 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4094
4095         Fix PR tree-optimization/22488
4096         * tree-ssa-structalias.c (check_for_overlaps): New function.
4097         (create_variable_info_for): Use it.
4098
4099 2005-10-06  Richard Henderson  <rth@redhat.com>
4100
4101         PR debug/24070
4102         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4103         (dwarf2out_start_source_file): Print it.
4104
4105 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4106
4107         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4108
4109 2005-10-06  Richard Henderson  <rth@redhat.com>
4110
4111         PR 23706
4112         * mode-switching.c (optimize_mode_switching): Clear transp bit
4113         for block with incomming abnormal edges.
4114
4115         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4116         (fpscr_set_from_mem): Use them.
4117         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4118         (fpscr postinc splitters): Rewrite as peephole2+split.
4119
4120 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4121
4122         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4123         (eq<mode>_compare): Same.
4124
4125 2005-10-06  Richard Guenther  <rguenther@suse.de>
4126
4127         PR tree-optimization/24238
4128         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4129
4130 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4131
4132         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4133         here.  Use AC_PATH_PROG for environment variables instead of
4134         test -x.
4135         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4136         objdump also.
4137         * configure: Regenerated.
4138
4139 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4140
4141         PR target/23783
4142         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4143         then force it into a register.
4144         (call_value): Likewise.
4145
4146 2005-10-06  Richard Henderson  <rth@redhat.com>
4147
4148         PR 24049
4149         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4150         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4151         under pass_vectorize.
4152
4153 2005-10-05  Devang Patel  <dpatel@apple.com>
4154
4155         PR Debug/23205
4156         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4157         handling constants. Check NAMESPACE_DECL context for constants.
4158
4159 2005-10-05  Eric Christopher  <echristo@apple.com>
4160
4161         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4162
4163 2005-10-05  Richard Henderson  <rth@redhat.com>
4164
4165         PR 23714
4166         * tree-cfg.c (mark_array_ref_addressable_1): New.
4167         (mark_array_ref_addressable): New.
4168         * tree-flow.h (mark_array_ref_addressable): Declare.
4169         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4170
4171 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4172
4173         PR middle-end/20606
4174         PR middle-end/24069
4175         * reload.c (subst_reloads): When adding a REG_LABEL to a
4176         jump instruction, also update JUMP_LABEL.
4177
4178 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4179
4180         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4181         * bb-reorder.c (copy_bb_p): Use it.
4182         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4183
4184 2005-10-05  Richard Henderson  <rth@redhat.com>
4185
4186         PR target/23602
4187         * toplev.c (process_options): Warn about unsupported combinations
4188         of unwind tables and omit-frame-pointer.
4189         * config/i386/i386.c (override_options): Similarly.  Enable
4190         accumulate-outgoing-args if not explicitly disabled.
4191
4192 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4193
4194         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4195         Handle big endian vs. small endian.
4196         (vec_initv2sf): Handle big endian vs. small endian.
4197         (*vec_extractv2sf_1): Ditto.
4198
4199 2005-10-05  Dale Johannesen  <dalej@apple.com>
4200
4201         * convert.c (convert_to_real):  Don't convert
4202         (float)floor(double d) to floorf((float)d).
4203
4204 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4205
4206         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4207
4208 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4209
4210         PR tree-optimization/18587
4211         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4212         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4213         build_vuses): Change to VEC type.
4214         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4215         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4216         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4217         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4218         (get_name_decl): New.  Return DECL_UID of base variable.
4219         (operand_build_cmp): New.  qsort comparison routine.
4220         (operand_build_sort_virtual): New.  Sort virtual build vector.
4221         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4222         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4223         (FINALIZE_BASE): Use get_name_decl.
4224         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4225         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4226         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4227         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4228         direct VEC_* manipulations.
4229         (build_ssa_operands): Call operand_build_sort_virtual.
4230         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4231         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4232         with direct VEC_* manipulations.
4233         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4234         with direct VEC manipulations.
4235
4236 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4237
4238         PR tree-optimization/21419
4239         PR tree-optimization/24146
4240         PR tree-optimization/24151
4241
4242         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4243         (build_asm_expr): Call it if outputs are read-only.
4244         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4245
4246 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4247             Paolo Bonzini  <bonzini@gnu.org>
4248
4249         PR target/23809
4250
4251         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4252         enable the instructions and not just the built-ins.
4253         * doc/invoke.texi (x86 Options): Likewise.
4254
4255 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4256
4257         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4258
4259         * doc/invoke.texi (Option Summary): Correct spelling
4260         of -mmacosx-version-min.
4261
4262 2005-10-04  Devang Patel  <dpatel@apple.com>
4263
4264         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4265         real types.
4266
4267 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4268
4269         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4270         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4271
4272 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4273
4274         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4275         ("TE","tg"): New mode attributes.
4276         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4277         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4278         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4279         dword_mode and one for GPRmode.
4280
4281 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4282
4283         PR preprocessor/13726
4284         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4285         any comments passed in.
4286
4287 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4288
4289         * tree.c (annotate_with_file_line): Fix typo.
4290
4291 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4292
4293         PR ada/19382
4294         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4295         type used to access data in the inlined length == 1 case, use
4296         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4297         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4298
4299 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4300
4301         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4302         TARGET_SSE3 and only for TARGET_80387.
4303         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4304         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4305         Do not depend on TARGET_80387.
4306
4307 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4308
4309         * tree.c (last_annotated_node): Change type to location_t*.
4310         (annotate_with_file_line): Reflect the change of
4311         last_annotated_node type.
4312
4313 2005-10-04  Richard Guenther  <rguenther@suse.de>
4314
4315         PR c/23576
4316         * c-decl.c (grokdeclarator): Don't write to fields
4317         of error_mark_node.
4318
4319 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4320
4321         PR middle-end/23125
4322         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4323         register variables.
4324         * varasm.c (make_decl_rtl): If a register variable does not
4325         have a set user assmbler name, error out.
4326         Decode the asmspec is now name+1 bypassing '*'.
4327
4328 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4329
4330         PR tree-optimization/23049
4331         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4332         of a COND_EXPR is folded before calling fold on the whole rhs of a
4333         conditional assignment.
4334         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4335         document that a COND_EXPR may appear there.
4336
4337 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4338
4339         PR 23445
4340         * tree-vrp.c (extract_range_from_assert): If the new numeric
4341         range created out of the assertion contradicts the existing
4342         numeric range of the ASSERT_EXPR variable, make the new range
4343         varying.
4344
4345 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4346
4347         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4348         from T_REGS to FP register class.
4349
4350 2005-10-03  Richard Henderson  <rth@redhat.com>
4351
4352         PR 24135
4353         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4354         before creating a new one.
4355
4356 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4357
4358         * config/rs6000/t-aix43 (LDFLAGS): New.
4359         * config/rs6000/t-aix52 (LDFLAGS): New.
4360
4361 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4362
4363         * gimplify.c (find_single_pointer_decl_1): New static function.
4364         (find_single_pointer_decl): New static function.
4365         (internal_get_tmp_var): For a formal variable, set restrict base
4366         information if appropriate.
4367         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4368         return it.
4369         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4370         (DECL_GET_RESTRICT_BASE): Define.
4371         (SET_DECL_RESTRICT_BASE): Define.
4372         (decl_restrict_base_lookup): Declare.
4373         (decl_restrict_base_insert): Declare.
4374         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4375         * tree.c (restrict_base_for_decl): New static variable.
4376         (init_ttree): Initialize restrict_base_for_decl.
4377         (copy_node_stat): Copy restrict base information.
4378         (decl_restrict_base_lookup): New function.
4379         (decl_restrict_base_insert): New function.
4380         (print_restrict_base_statistics): New static function.
4381         (dump_tree_statistics): Call print_restrict_base_statistics.
4382
4383 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4384
4385         PR 24142
4386         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4387         case of anti-ranges.
4388
4389 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4390
4391         PR c/18851
4392         * c-typeck.c (tagged_tu_seen): Rename to ...
4393         (tagged_tu_seen_cache): this and add val field.
4394         (comptypes): Move functional to comptypes_internal
4395         and free tagged_tu_seen.
4396         (comptypes_internal): New function and call comptypes_internal
4397         instead of comptypes. Speed up by sibcalling
4398         tagged_types_tu_compatible_p.
4399         (alloc_tagged_tu_seen): New function
4400         (free_all_tagged_tu_seen_up_to): New function.
4401         (tagged_types_tu_compatible_p): Return the val of the seen two
4402         types.
4403         Add that the two types are the same to tagged_tu_seen_base
4404         if they are and call comptypes_internal instead of comptypes.
4405         <case UNION_TYPE>: Speed up common type where the fields are
4406         in the same order.
4407         (function_types_compatible_p): Call comptypes_internal instead of
4408         comptypes.
4409         (type_lists_compatible_p): Likewise.
4410         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4411
4412 2005-10-02  Matthias Klose  <doko@debian.org>
4413
4414         * doc/invoke.texi: Fix typo and speling error.
4415
4416 2005-10-01  Richard Henderson  <rth@redhat.com>
4417
4418         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4419
4420 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4421
4422         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4423         using --start-group and --end-group.
4424
4425 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4426
4427         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4428         FIXME note regarding quirky semantics.
4429
4430 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4431
4432         PR 24141
4433         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4434         non-null range as a last resort.
4435
4436 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4437             Diego Novillo  <dnovillo@redhat.com>
4438
4439         PR 23604
4440         * tree-vrp.c (extract_range_from_assert): For !=
4441         assertions, only build an anti-range if LIMIT is a
4442         single-valued range.
4443
4444 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4445
4446         * arm.md (movqi): On thumb when optimizing, handle loading from
4447         memory by describing this as taking a subreg of a zero-extended load
4448         into an SImode register.
4449         (movhi): Likewise.
4450
4451 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4452
4453         * reload1.c (merge_assigned_reloads): Do not change any
4454         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4455
4456 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4457
4458         * Makefile.in (LIPO_FOR_TARGET): Define.
4459         (STRIP_FOR_TARGET): Define.
4460
4461         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4462         before creating new ones.  Do symlinks before creating the actual
4463         targets.
4464
4465         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4466         to work out which multilibs are actually being built.
4467
4468 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4469
4470         * tree-vect-transform.c, config/ms1/ms1.md,
4471         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4472         Follow spelling conventions.
4473         * doc/invoke.texi, doc/md.texi: Fix typos.
4474
4475 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4476
4477         PR tree-optimization/21430
4478         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4479         use operands, and set stmt pointer if need be.
4480         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4481         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4482         present.
4483
4484 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4485
4486         PR middle-end/24053
4487         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4488
4489 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4490
4491         * optabs.c (expand_binop): Initialize first_pass_p.
4492
4493 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4494
4495         PR middle-end/24109
4496         * c-decl.c (c_write_global_declarations_1): If any
4497         wrapup_global_declaration_2 call returned true, restart the loop.
4498
4499 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4500
4501         Fix PR tree-optimization/24117
4502         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4503         before considering whether to use anyoffset.
4504
4505 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4506
4507         Revert this patch:
4508
4509         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4510
4511         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4512         to order operands.
4513         (swap_commutative_operands_with_target): New.
4514
4515 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4516
4517         PR c/21419
4518         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4519         read-only.
4520
4521 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4522
4523         PR tree-optimization/23911
4524         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4525         and IMAGPART_EXPR too.
4526
4527 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4528
4529         PR 17886
4530         * expmed.c (expand_shift): Move logic to reverse rotation
4531         direction when  rotating by constants ...
4532         * optabs.c (expand_binop): ... here.
4533         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4534         (ix86_rotrdi3): New pattern.
4535         (rotldi3): Handle 32-bit mode.
4536         (ix86_rotldi3): New pattern.
4537
4538 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4539
4540         PR target/24102
4541         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4542         check for numbers that need no bit twiddle.
4543
4544 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4545
4546         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4547         multilib to be built.
4548
4549         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4550         (stage1-start): Delete old libgcc and libunwind before moving
4551         anything into the stage directory.
4552         (stage2-start): Likewise.
4553         (stage3-start): Likewise.
4554         (stage4-start): Likewise.
4555         (stageprofile-start): Likewise.
4556         (stagefeedback-start): Likewise.
4557         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4558         header in tm_file and CPU-specific t-darwin in tmake_file.
4559         (i[34567]86-*-darwin*): Don't change tm_file.
4560         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4561         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4562         shared library stub for target OS version.
4563         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4564         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4565         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4566         (libgcc_s.%.dylib): New.
4567         (LIBGCC): Define.
4568         (install-darwin-libgcc-stubs): New.
4569         (INSTALL_LIBGCC): New append.
4570         * config/i386/darwin-libgcc.10.4.ver: New.
4571         * config/i386/darwin-libgcc.10.5.ver: New.
4572         * config/i386/t-darwin: New.
4573         * config/rs6000/darwin-libgcc.10.4.ver: New.
4574         * config/rs6000/darwin-libgcc.10.5.ver: New.
4575         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4576         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4577
4578 2005-09-28  Paul Brook  <paul@codesourcery.com>
4579
4580         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4581         denormals.
4582
4583 2005-09-28  Richard Guenther  <rguenther@suse.de>
4584
4585         PR tree-optimization/23853
4586         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4587         host_integerp to verify misalignment value.
4588
4589 2005-09-28  Richard Henderson  <rth@redhat.com>
4590
4591         * builtins.c (get_builtin_sync_mode): New.
4592         (expand_builtin_sync_operation): Pass in mode argument.
4593         (expand_builtin_compare_and_swap): Likewise.
4594         (expand_builtin_lock_test_and_set): Likewise.
4595         (expand_builtin_lock_release): Likewise.
4596         (expand_builtin): Update to match.
4597
4598 2005-09-28  Nick Clifton  <nickc@redhat.com>
4599
4600         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4601         formatting.  Add check to PLUS case to ensure that the offset is
4602         within an acceptable range.
4603
4604         * config/v850/v850.md (casesi): Disable the generation of the
4605         switch pattern as it is not being handled properly at the moment.
4606
4607         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4608         for when the high words are identical.
4609
4610 2005-09-27  Richard Henderson  <rth@redhat.com>
4611
4612         * pretty-print.c (pp_base_format): Fix typo for %>.
4613
4614 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4615             Devang Patel  <dpatel@apple.com>
4616
4617         PR tree-optimization/23625
4618         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4619         LABEL_EXPR, assertion check.
4620
4621 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4622
4623         * optabs.c (no_conflict_move_test): Check if a result of a
4624         to-be-moved insn would be clobbered by an originally
4625         preceding insn.
4626
4627 2005-09-27  Jeff Law  <law@redhat.com>
4628
4629         * passes.c (init_optimization_passes): Replace copy propagation
4630         passes immediately after DOM with phi-only copy propagation
4631         pases.  Add phi-only copy propagation pass after first DOM pass.
4632         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4633         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4634         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4635         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4636         to init_copy_prop.  Callers updated.
4637         (do_phi_only_copy_prop): New function.
4638         (pass_phi_only_copy_prop): New pass descriptor.
4639
4640 2005-09-27  Nick Clifton  <nickc@redhat.com>
4641
4642         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4643
4644 2005-09-26  Jason Merrill  <jason@redhat.com>
4645
4646         PR c++/13764
4647         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4648
4649         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4650
4651 2005-09-26  James E Wilson  <wilson@specifix.com>
4652
4653         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4654         copyright.  Add gcc copyright plus libgcc exception.
4655         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4656         copyright.
4657         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4658
4659 2005-09-26  Jeff Law  <law@redhat.com>
4660
4661         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4662         about when to iterate.
4663
4664 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4665
4666         PR target/23847
4667         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4668         for __complex__ double in -mcpu=G5 mode.
4669
4670 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4671
4672         PR tree-optimization/23942
4673         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4674         * tree-scalar-evolution.c: Include params.h.
4675         (t_bool): New enum.
4676         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4677         follow_ssa_edge_in_condition_phi_branch,
4678         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4679         Change return type to t_bool.  Use a parameter to limit the size of
4680         trees that are walked before stopping
4681         (analyze_evolution_in_loop): Initialize the limit to 0.
4682         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4683         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4684
4685 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4686
4687         PR middle-end/23831
4688         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4689         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4690
4691 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4692
4693         * combine.c (make_extraction): Check for valid use of subreg.
4694
4695 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4696
4697         PR target/24055
4698         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4699         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4700         ("fist<mode>2_with_temp"): Use only register operands.
4701
4702 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4703
4704         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4705         CALL_INSN_FUNCTION_USAGE.
4706
4707 2005-09-26  Richard Guenther  <rguenther@suse.de>
4708
4709         PR middle-end/15855
4710         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4711         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4712         (ldst_entry): Use the hashtable instead of list-walking.
4713         (find_rtx_in_ldst): Likewise.
4714         (free_ldst_entry): Free the hashtable.
4715         (compute_ld_motion_mems): Create the hashtable.
4716         (trim_ld_motion_mems): Remove entry from hashtable if
4717         removing it from list.
4718         (compute_store_table): Likewise^2.
4719         (store_motion): Free hashtable in case we did not see
4720         any stores.
4721
4722 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4723
4724         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4725         and arg1 if we are passing them to fold_build2.
4726
4727 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4728
4729         PR 23828
4730         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4731         a nested function.
4732
4733 2005-09-25  Richard Henderson  <rth@redhat.com>
4734
4735         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4736         SYMBOL_REF_TLS_MODEL to be correct.
4737
4738 2005-09-24  Richard Henderson  <rth@redhat.com>
4739
4740         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4741         end of function.  Reindent.
4742
4743 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4744
4745         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4746         NEGATE_EXPR/BIT_NOT_EXPR case.
4747
4748 2005-09-24  Richard Henderson  <rth@redhat.com>
4749
4750         * c-common.c (handle_mode_attribute): When not modifying in place,
4751         create subtypes for enumerations.
4752         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4753         * gimplify.c (create_tmp_from_val): Likewise.
4754
4755 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4756
4757         * config/i386/i386.md (*tls_global_dynamic_64,
4758         *tls_local_dynamic_base_64): Add missing mode to call.
4759         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4760
4761 2005-09-24  Jan Hubicka  <jh@suse.cz>
4762
4763         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4764         (cgraph_clone_node): Likewise.
4765         * cgraph.h (cgraph_clone_edge): Update prototype.
4766         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4767         duplicated prototypes; add updating argument.
4768         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4769         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4770         updating profile.
4771         (cgraph_mark_inline_edge): Likewise.
4772         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4773         (cgraph_flatten_node): Likewise.
4774         (cgraph_decide_recursive_inlining): Likewise.
4775         (cgraph_decide_inlining_of_small_function): Likewise.
4776         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4777
4778 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4779             Pete Steinmetz <steinmtz@us.ibm.com>
4780
4781         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4782         (rldic.): Set type to "compare".
4783         (rldicr.): Same.
4784         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4785         mfjmpr for MFCTR/MFLR.
4786         (movdf_hardfloat64): Same.
4787         (movdf_softfloat64): Same.  Correct order of store and move types.
4788         (movti_string): Set type to store_ux/load_ux.
4789         (load_multiple): Set type to load_ux.
4790         (store_multiple): Set type to store_ux.
4791         (movmemsi): Set type to store_ux.
4792         (output_cbranch direct_return): Set type to jmpreg.
4793         (stmw): Set type to store_ux.
4794         (lmw): Set type to load_ux.
4795         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4796         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4797         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4798         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4799         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4800         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4801         (rios1-fpstore): Increase latency to 3.
4802         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4803         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4804
4805 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4806             Andrew Pinski  <pinskia@physics.uc.edu>
4807
4808         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4809         operand2 constraint to "b".
4810         (sync_<fetchop_name>di_internal): Same.
4811         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4812         to "b".
4813         (sync_old_<fetchop_name>di_internal): Same.
4814         (sync_new_<fetchop_name>si_internal): Same.
4815         (sync_new_<fetchop_name>di_internal): Same.
4816
4817 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4818
4819         PR middle-end/23991
4820         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4821         case, define as macros.
4822
4823         PR rtl-optimization/23837
4824         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
4825         clobber / clobber match between dest and p->first.
4826
4827         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4828         (no_conflict_move_test): Update comments.
4829
4830 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4831
4832         * doc/install.texi: Update URL for Jacks.
4833         * doc/sourcebuild.texi: Likewise.
4834
4835 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4836
4837         PR target/24007
4838         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4839         registers when choosing register preferences.
4840         (movdf_hardfloat64): Same.
4841
4842 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
4843
4844         * expmed.c (expand_shift): Don't use the target of the rotate as
4845         target for the first expanded shift insn.
4846         * testsuite/gcc.dg/20050922-1.c: Testcase added.
4847
4848 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
4849
4850         PR tree-optimization/22438
4851         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4852         preserved iv rhs rewriting specially.
4853
4854 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
4855
4856         * tree-data-ref.c (analyze_array_indexes): Only estimate when
4857         estimate_only  is true.
4858         * tree-flow.h (ref_contains_indirect_ref): New prototype.
4859         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4860         tree-ssa-structalias.c
4861         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4862         ref_contains_indirect_ref.
4863         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4864
4865 2005-09-21  DJ Delorie  <dj@redhat.com>
4866
4867         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4868         MASK_PTR_A0D0.
4869         (mn10300_return_in_memory): Support variable size types also.
4870         (mn10300_pass_by_reference): Likewise.
4871         (mn10300_function_value): New.
4872         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4873         (FUNCTION_OUTGOING_VALUE): Likewise.
4874         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4875         * doc/invoke.texi: Document it.
4876
4877 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
4878
4879         PR target/22585
4880         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4881         force integer op1 into register for XFmode compares.
4882
4883 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
4884
4885         PR middle-end/23971
4886         * expmed.c (alg_code): Add alg_impossible.
4887         (alg_hash_entry): Add cost.
4888         (synth_mult): Record alg_impossible in the hash table if
4889         multiplication by a given integer is impossble within the
4890         limit.  Speed up using alg_impossible.
4891
4892 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4893
4894         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4895         argument.  Allow and set any offset if needs_anyoffset is passed
4896         in.
4897         (get_constraint_for): Add argument here too.
4898         Pass it down.
4899         (do_structure_copy): Pass NULL to get_constraint_for.
4900         (handle_ptr_arith): Ditto.
4901         (find_func_aliases): Ditto.
4902
4903 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
4904
4905         PR rtl-optimization/23898
4906         * output.h (get_attr_min_length): Declare.
4907         * final.c (get_attr_length_1): New function, broken out of:
4908         (get_attr_length).
4909         (get_attr_min_length): New function.
4910         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4911         (duplicate_computed_gotos): Likewise.
4912         * genattr.c (insn_min_length): Generate declaration.
4913         * genattrtab.c (min_fn, min_attr_value): New functions.
4914         (make_length_attrs): Generate insn_min_length.
4915
4916 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
4917
4918         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4919
4920 2005-09-20  Richard Henderson  <rth@redhat.com>
4921
4922         PR tree-optimization/24059
4923         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4924         EXPAND_STACK_PARM.
4925
4926 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
4927
4928         * c.opt (fextended-identifiers): New.
4929         * c-opts.c (c_common_handle_option): Handle
4930         -fextended-identifiers.
4931         * doc/cpp.texi: Update documentation of extended identifiers.
4932         * doc/cppopts.texi (-fextended-identifiers): Document.
4933
4934 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
4935
4936         PR tree-optimization/23929
4937         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4938         if expr is NULL.
4939
4940         PR tree-optimization/23818
4941         * tree-stdarg.c (execute_optimize_stdarg): Call
4942         calculate_dominance_info.
4943
4944 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4945
4946         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4947         (analyze_siv_subscript_cst_affine): Add weak SIV test.
4948         (compute_overlap_steps_for_affine_1_2): Use
4949         get_number_of_iters_for_loop.
4950         (analyze_subscript_affine_affine): Check whether difference is
4951         zero first.
4952         Use get_number_of_iters_for_loop.
4953         Check whether overlap occurs outside of bounds.
4954         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4955
4956 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
4957
4958         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4959         base register if possible.
4960
4961 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
4962
4963         PR tree-optimization/18463
4964         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4965         converting it directly is not possible.
4966         (chrec_convert_aggressive): New function.
4967         * tree-chrec.h (chrec_convert_aggressive): Declare.
4968         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4969         Fold chrec conversions aggressively if asked to.
4970         (instantiate_parameters): Modified because of changes in
4971         instantiate_parameters_1.
4972
4973 2005-09-19  Richard Henderson  <rth@redhat.com>
4974
4975         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4976         (reduc_splus_v2df): New.
4977
4978 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
4979
4980         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4981         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
4982
4983 2005-09-19  Richard Henderson  <rth@redhat.com>
4984
4985         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4986         vcondu<SSEMODE12>.
4987
4988 2005-09-19  Richard Henderson  <rth@redhat.com>
4989
4990         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4991         (ia64_expand_dot_prod_v8qi): New.
4992         * config/ia64/ia64-protos.h: Update.
4993         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4994         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4995         sdot_prodv8qi, sdot_prodv4hi): New.
4996         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4997
4998 2005-09-19  Richard Henderson  <rth@redhat.com>
4999
5000         PR 23941
5001         * real.c (exact_real_truncate): Return false if the format cannot
5002         represent the number as a normal.
5003
5004         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5005         for a memory source.
5006
5007 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5008
5009         * tree-ssa-operands.c (swap_tree_operands): Export.
5010         * tree.h (swap_tree_operands): Declare.
5011         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5012         Call swap_tree_operands.
5013
5014 2005-09-19  Richard Henderson  <rth@redhat.com>
5015
5016         * tree-flow.h (merge_alias_info): Declare.
5017         * tree-ssa-copy.c (merge_alias_info): Export.
5018         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5019         (vect_create_data_ref_ptr): Use create_iv directly.
5020         (vectorizable_load): Use correct types for integer constants.
5021         (vect_generate_tmps_on_preheader): Likewise.
5022         (vect_gen_niters_for_prolog_loop): Likewise.
5023
5024 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5025
5026         PR rtl-optimization/23943
5027         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5028
5029 2005-09-18  Jan Hubicka  <jh@suse.cz>
5030
5031         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5032
5033 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5034
5035         * varasm.c (output_constant): Do not abort on conversions to union
5036         types between different sizes.
5037
5038 2005-09-18  Richard Guenther  <rguenther@suse.de>
5039
5040         PR middle-end/23944
5041         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5042         fallback.
5043
5044 2005-09-18  Paul Brook  <paul@codesourcery.com>
5045
5046         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5047
5048 2005-09-17  Richard Henderson  <rth@redhat.com>
5049
5050         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5051         * tree-ssa-loop.c (pass_vect_dce): Remove.
5052         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5053         of pass_vectorize.
5054
5055 2005-09-17  Richard Henderson  <rth@redhat.com>
5056
5057         * tree-pass.h (pass_vect_dce): Declare.
5058         * passes.c (init_optimization_passes): Add it.
5059         * tree-flow.h (tree_ssa_dce): Declare.
5060         * tree-ssa-dce.c (tree_ssa_dce): Export.
5061         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5062         (gate_tree_vectorize): ... here.
5063         (pass_vect_dce): New.
5064
5065 2005-09-17  Jan Hubicka  <jh@suse.cz>
5066
5067         * except.c (struct eh_status): Turn region_array into vec.
5068         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5069         convert_from_eh_region_ranges, find_exception_handler_labels,
5070         current_function_has_exception_handlers, assign_filter_values,
5071         build_post_landing_pads, dw2_build_landing_pads,
5072         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5073         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5074         foreach_reachable_handler, can_throw_internal_1,
5075         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5076         region_array.
5077         (duplicate_eh_region_1): Update region_array.
5078         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5079
5080 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5081
5082         PR middle-end/22067
5083         * expmed.c (expand_mult): Substitute simple register for op0 when
5084         computing max_cost.
5085
5086 2005-09-17  Richard Henderson  <rth@redhat.com>
5087
5088         * expr.c (emit_move_via_integer): Add force argument, pass it on
5089         to emit_move_change_mode.  Update callers.
5090         (emit_move_complex): Pass true to new force argument.
5091         * function.c (expand_function_end): Move expand_eh_return call
5092         earlier.  Merge sub-word complex values into a pseudo before
5093         copying to the return hard register.
5094
5095 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5096
5097         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5098         between different sizes.
5099
5100 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5101
5102         PR 23903
5103
5104         * passes.c (init_optimization_passes): Register dump files for
5105         IPA passes first.
5106
5107 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5108
5109         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5110         * config/s390/s390.c (s390_overlap_p): New function.
5111         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5112         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5113         condition.
5114
5115 2005-09-16  Richard Guenther  <rguenther@suse.de>
5116
5117         * ipa-pure-const.c (static_execute): Free auxiliar information.
5118         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5119         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5120
5121 2005-09-15  DJ Delorie  <dj@redhat.com>
5122
5123         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5124
5125 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5126
5127         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5128         to order operands.
5129         (swap_commutative_operands_with_target): New.
5130
5131 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5132
5133         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5134         parameter.
5135         Update callers.
5136         (estimate_iters_using_array): New function.
5137         * tree-data-ref.h (estimate_iters_using_array): Prototype
5138         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5139         Use estimate_iters_using_array instead of analyze_array.
5140
5141 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5142
5143         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5144         as addressable.
5145
5146 2005-09-15  Michael Matz  <matz@suse.de>
5147
5148         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5149
5150 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5151
5152         PR tree-optimization/23835
5153         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5154         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5155
5156 2005-09-14  Richard Henderson  <rth@redhat.com>
5157
5158         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5159         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5160
5161 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5162
5163         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5164         in the ARRAY_TYPE case.
5165
5166 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5167
5168         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5169
5170 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5171
5172         PR middle-end/22480
5173         * tree-vect-transform.c (vectorizable_operation): Return false for
5174         scalar shift operations and for vector shift operations with
5175         non-invariant shift arguments.  Use scalar tree operand op1 as
5176         a shift operand when vector shift insn pattern uses scalar shift
5177         operand.
5178         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5179
5180 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5181
5182         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5183         value if it has side-effects.
5184
5185 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5186
5187         PR target/22068
5188         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5189
5190 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5191
5192         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5193         passed as NAME as if it were label at start of function code.
5194
5195 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5196
5197         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5198         the constraints.
5199
5200 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5201
5202         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5203         as early clobber.  Rewrite so the PIC register is not implicitly used.
5204
5205 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5206
5207         * tree.c (annotate_with_file_line): Compare line numbers before
5208         file names.
5209
5210 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5211
5212         PR target/23816
5213         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5214         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5215
5216 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5217
5218         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5219         than a HOST_WIDEST_INT to gen_doloop_begin.
5220
5221 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5222
5223         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5224
5225 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5226
5227         PR tree-optimize/23817
5228         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5229
5230 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5231
5232         PR target/23774
5233         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5234         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5235         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5236         (restore_stack_nonlocal): Likewise.
5237         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5238
5239 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5240
5241         PR g++/7874
5242         * c.opt (ffriend-injection): New C++ option.
5243         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5244         (C++ Dialect Options): Document -ffriend-injection.
5245
5246 2005-09-12  Josh Conner  <jconner@apple.com>
5247
5248         PR middle-end/23237
5249         * ipa-reference.c (static_execute): Don't mark variables in
5250         named sections TREE_READONLY.
5251
5252 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5253
5254         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5255         stack_tie.
5256
5257 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5258
5259         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5260         V_MUST_DEF instead of just the first_use_p.
5261         Don't mark the virtual variables for renaming on the statement which
5262         is being removed.
5263         (pass_dse): Remove TODO_update_ssa.
5264
5265 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5266
5267         PR middle-end/23290
5268         * stor-layout.c (compute_record_mode): For records with a single
5269         field, actually check the field's mode size against the type size.
5270
5271         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5272         registers for TARGET_SHMEDIA.
5273         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5274         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5275         of GENERAL_REGS and FP_REGS.
5276
5277 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5278
5279         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5280
5281 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5282
5283         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5284         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5285         are omitted.  Exclude stack_tie insn too.
5286
5287 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5288
5289         PR rtl-optimization/23098
5290         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5291         0.0f is easy.
5292         * config/rs6000/rs6000.md (movdf splitter): Use
5293         const_double_operand predicate for TARGET_POWERPC64.
5294         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5295         SYMBOL_REF method to ABI_V4.
5296
5297         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5298         replace_equiv_address.
5299         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5300         rs6000_sr_alias_set and MEM_NOTRAP.
5301         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5302
5303 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5304
5305         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5306         handle CALL_EXPR again.
5307
5308 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5309
5310         * arm/predicates.md (alignable_memory_operand): Delete.
5311
5312 2005-09-10  Richard Henderson  <rth@redhat.com>
5313
5314         PR debug/23806
5315         * dbxout.c (dbxout_expand_expr): New.
5316         (dbxout_symbol): Use it.
5317
5318 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5319
5320         * arm.c (arm_gen_rotated_half_load): Delete.
5321         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5322         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5323         (thumb_set_return_address): Likewise.
5324         (thumb_load_double_from_address): Use adjust_address.
5325         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5326         (extendhsisi2_mem, movhi_bytes): Use change_address.
5327         (movhi): Use widen_memory_access.
5328         (reload_out_df): Use replace_equiv_address.
5329         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5330
5331 2005-09-09  Richard Henderson  <rth@redhat.com>
5332
5333         PR debug/20998
5334         * dbxout.c: Include expr.h.
5335         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5336         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5337         * Makefile.in (dbxout.o): Add EXPR_H.
5338
5339 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5340
5341         PR tree-optimization/23509
5342         * tree-cfg.c (replace_uses_by): Use replace_exp.
5343         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5344         pointers have name_mem_tag or type_mem_tag set.
5345
5346 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5347
5348         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5349         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5350         of wrongly accessing operands.
5351
5352 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5353
5354         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5355         * tree-chrec.c: Include tree-scalar-evolution.h.
5356         (chrec_convert): Instantiate the base and step before calling
5357         scev_probably_wraps_p that would fail on parametric evolutions.
5358         Collect all the fails into a single section failed_to_convert,
5359         print a diagnostic, and return chrec_dont_know instead of calling
5360         fold_convert.
5361         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5362         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5363         phi nodes.
5364         (scev_const_prop): Don't replace the definition of a loop closed ssa
5365         phi node by itself, or by another loop closed ssa phi node.
5366         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5367         that base and step are defined.
5368
5369 2005-09-09  Richard Guenther  <rguenther@suse.de>
5370
5371         PR c++/23624
5372         * fold-const.c (fold_ternary): Check truth_value_p before
5373         calling invert_truthvalue.
5374
5375 2005-09-09  Nick Clifton  <nickc@redhat.com>
5376
5377         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5378         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5379         dimension of these arrays.
5380         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5381         these arrays.
5382         * longlong.h: Only provide a prototype for the __clz_tab[] array
5383         if this header has not been included from libgcc2.h.
5384         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5385         defining own types.
5386         Provide prototypes for exported functions.
5387         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5388         libgcc2.c.
5389
5390 2005-09-08  Josh Conner  <jconner@apple.com>
5391
5392         PR c++/21135
5393         PR c++/23180
5394         * expr.c (expand_expr_addr_expr_1): Don't invoke
5395         expand_simple_binop for EXPAND_INITIALIZER.
5396
5397 2005-09-08  Richard Henderson  <rth@redhat.com>
5398
5399         PR debug/23190
5400         * toplev.c (wrapup_global_declaration_1): Split out ...
5401         (wrapup_global_declaration_2): ... from ...
5402         (wrapup_global_declarations): ... here.  Return bool.
5403         (check_global_declaration_1): Split out ...
5404         (check_global_declarations): from here.
5405         (emit_debug_global_declarations): New.
5406         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5407         check_global_declaration_1, emit_debug_global_declarations): Declare.
5408         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5409         of decls.  Call wrapup_global_declaration_1,
5410         wrapup_global_declaration_2, check_global_declaration_1 directly.
5411         (c_write_global_declarations_2): New.
5412         (ext_block): New.
5413         (c_write_global_declarations): Call c_write_global_declarations_2.
5414         * langhooks.c (write_global_declarations): Call
5415         emit_debug_global_declarations.
5416
5417         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5418         remove decls that have DECL_RTL_SET_P.
5419         * passes.c (rest_of_decl_compilation): Invoke
5420         cgraph_varpool_finalize_decl for all but functions.
5421
5422 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5423
5424         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5425         the result of a conversion if the new min and max cannot be compared.
5426
5427 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5428
5429         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5430         (override_options): Setting s390_sr_alias_set removed.
5431         (save_fpr, save_gprs): Set alias set to vararg or frame.
5432         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5433         s390_sr_alias_set with get_frame_alias_set ().
5434         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5435         get_varargs_alias_set ().
5436
5437 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5438
5439         PR objc/20574
5440         PR objc/19324
5441         * c-parser.c (c_parser_objc_method_definition): If the next
5442         token is not "{", error out and don't start the function.
5443
5444 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5445
5446         * tree-vrp.c (extract_range_from_expr): Move the check for non
5447         nullness after the check for gimple invariant.
5448
5449 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5450
5451         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5452
5453 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5454
5455         PR target/23747
5456         * config/m32r.md (movmemsi_internal): Canonicalize order of
5457         operands in PLUS component of template.
5458
5459 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5460
5461         * reload1.c (fixup_eh_region_note): Remove assertion.
5462         (fixup_abnormal_edges): Reverted removal of call to
5463         find_many_sub_basic_blocks made on 2005-08-31.
5464
5465 2005-09-07  Richard Henderson  <rth@redhat.com>
5466
5467         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5468         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5469         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5470         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5471         rearrange for better packing.
5472         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5473         (lookup_cfa_1): Remove inline marker.
5474         (cfa_equal_p): Split out of ...
5475         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5476         (build_cfa_loc): Handle !cfa->indirect.
5477         (frame_pointer_cfa_offset): New.
5478         (dbx_reg_number): Assert register elimination performed; do
5479         leaf register remapping.
5480         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5481         (eliminate_reg_to_offset): New.
5482         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5483         for verifiably local stack frame addresses; re-base to CFA.
5484         (mem_loc_descriptor): Remove can_use_fbreg argument.
5485         (concat_loc_descriptor, loc_descriptor): Likewise.
5486         (containing_function_has_frame_base): Remove.
5487         (rtl_for_decl_location): Don't do register elimination or
5488         leaf register remapping here.
5489         (secname_for_decl): Split out from ..
5490         (add_location_or_const_value_attribute): ... here.
5491         (convert_cfa_to_loc_list): New.
5492         (compute_frame_pointer_to_cfa_displacement): New.
5493         (gen_subprogram_die): Use them.
5494         * tree.h (frame_base_decl): Remove.
5495         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5496         (prologue_stack_adjust): Remove.
5497         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5498         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5499         (set_frame_base_location): Remove.
5500         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5501         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5502         (vt_add_function_parameters): Don't eliminate_regs.
5503         (vt_initialize): Don't create frame_base_decl.
5504
5505 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5506
5507         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5508         version of GNU binutils for 4.x and later.
5509
5510 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5511
5512         * ggc-page.c (ggc_push_context): Remove.
5513         (ggc_pop_context): Likewise.
5514         * ggc.h (ggc_push_context): Remove.
5515         (ggc_pop_context): Likewise.
5516
5517 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5518
5519         PR target/8973
5520         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5521         returning from an interrupt handler.
5522
5523 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5524
5525         PR target/8972
5526         * config/arc/arc.c (output_shift): Add check for loop count when
5527         optimizing.
5528
5529 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5530
5531         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5532         form manually.
5533         (abs_replacement): Likewise.
5534         (pass_phiopt): Remove TODO_update_ssa.
5535
5536 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5537
5538         PR c/23075
5539         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5540         if "return with no value, in function returning non-void" warning
5541         has been issued.
5542         * tree-cfg.c (execute_warn_function_return): Don't look at
5543         RETURN_EXPRs with TREE_NO_WARNING set.
5544
5545         PR target/22362
5546         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5547         for internal functions doesn't use registers used by global registers
5548         variables.  Use fewer register parameters if there are global register
5549         variables.
5550
5551 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5552             Eric Botcazou  <ebotcazou@adacore.com>
5553
5554         PR middle-end/14997
5555         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5556         when we would be extracting outside its bit span (bitpos+bitsize
5557         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5558         Ada unchecked conversions.
5559
5560 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5561
5562         * tree-ssa-pre.c (try_look_through_load): New function.
5563         (compute_avail): Use it to try to look through loads for some
5564         more useful expressions.
5565
5566 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5567
5568         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5569         condition for detecting cases like (a&a) and (a^a).
5570
5571 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5572
5573         * common.opt: Add option ftree-vect-loop-version.
5574         * params.def: Add --param vect-max-version-checks.
5575         * doc/invoke.texi: Document ftree-vect-loop-version and
5576         --param vect-max-version-checks.
5577         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5578         may_misalign_stmts and defines for accessors.
5579         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5580         LOOP_VINFO_MAY_MISALIGN_STMTS.
5581         (destroy_loop_vec_info): VEC_free for
5582         LOOP_VINFO_MAY_MISALIGN_STMTS.
5583         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5584         Update documentation.
5585         (vect_update_misalignment_for_peel): New.
5586         (vect_enhance_data_refs_alignment): Update to choose loop
5587         peeling or loop versioning if appropriate for the (potentially)
5588         unaligned data references in the loop.
5589         (vect_analyze_data_refs_alignment): Remove call to
5590         vect_enhance_data_refs_alignment so the checks can be done
5591         earlier.
5592         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5593         and move up call to vect_analyze_data_refs_alignment.
5594         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5595         (vect_transform_loop): Add call to loop_version.
5596
5597 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5598
5599         PR rtl-optimization/23098
5600         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5601         * simplify-rtx.c (constant_pool_reference_p): New function.
5602         * rtl.h (constant_pool_reference_p): New prototype.
5603         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5604         constant_pool_reference_p in condition and
5605         avoid_constant_pool_reference in preparation statements.
5606
5607 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5608
5609         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5610         STRICT_LOW_PART SETs.
5611
5612 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5613
5614         PR middle-end/21460
5615         * except.c (sjlj_emit_function_enter): Find the function begin
5616         note even when it's not in first basic block.
5617
5618 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5619
5620         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5621         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5622         * aclocal.m4: Regenerate.
5623
5624 2005-09-05  DJ Delorie  <dj@redhat.com>
5625
5626         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5627         of macro.
5628
5629 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5630
5631         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5632         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5633         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5634         Follow spelling conventions.
5635         * doc/invoke.texi: Follow spelling conventions.
5636
5637 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5638
5639         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5640         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5641         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5642
5643 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5644
5645         PR target/23683
5646         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5647         (output_stack_adjust): Use gen_tmp_stack_mem.
5648         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5649         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5650         (sh_get_pr_initial_val): Likewise.
5651         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5652         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5653         * sh.md (divsi_inv_m0): Use gen_const_mem.
5654         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5655         (movdf_i4+1): Use gen_tmp_stack_mem.
5656         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5657         (fpu_switch+2): Likewise.
5658         (movv4sf_i, movv16sf_i): Use adjust_address.
5659         (symGOT_load): Set MEM_NOTRAP_P bit.
5660
5661 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5662
5663         PR target/23721
5664         * pa.c (emit_move_sequence): Fix typo in last change.
5665
5666 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5667
5668         PR rtl-optimization/23454
5669         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5670         is true.
5671
5672 2005-09-03  Richard Henderson  <rth@redhat.com>
5673             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5674
5675         PR middle-end/23671
5676         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5677         gen_rtx_MEM.
5678
5679 2005-09-02  Nicolas Pitre <nico@cam.org>
5680
5681         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5682         to bit_count to 32 bits.
5683
5684 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5685
5686         PR c++/23167
5687         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5688         generating synthetic loads from volatile lvalues.
5689
5690 005-09-02  Nick Clifton  <nickc@redhat.com>
5691
5692         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5693         __ctzhi2, __clzhi2): New functions.
5694
5695 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5696
5697         PR middle-end/23547
5698         * tree-nested.c (struct var_map_elt): Mark with GTY.
5699         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5700         var_map_elt.
5701         (lookup_field_for_decl): Allocate new element in GC memory.
5702         (lookup_tramp_for_decl): Likewise.
5703         (convert_nl_goto_reference): Likewise
5704         (create_nesting_tree): Allocate info in GC memory. Likewise for
5705         info->var_map.
5706         (free_nesting_tree): Free with ggc_free instead of free.
5707         (root): New static variable.
5708         (lower_nested_functions): Remove root as local variable.  And zero out
5709         root at the end of the function.
5710
5711 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5712
5713         PR rtl-optimization/20365
5714         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5715         to short.  New member ix.
5716         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5717         (simplify_plus_minus): Initialize ix members before calling qsort.
5718
5719 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5720
5721         PR tree-optimization/23626
5722         * tree-cfg.c (replace_uses_by): Clean up eh info.
5723
5724 2005-09-01  DJ Delorie  <dj@redhat.com>
5725
5726         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5727         fprintf.
5728
5729 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5730
5731         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5732         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5733         gen_rtx_MEM.
5734
5735 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5736
5737         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5738         do not issue warning for a variable definition following
5739         a declaration.
5740
5741 2005-09-01  Richard Henderson  <rth@redhat.com>
5742
5743         PR 23668
5744         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5745         conversion to CONST_VECTOR.
5746
5747 2005-09-01  Richard Henderson  <rth@redhat.com>
5748
5749         PR 23676
5750         * reload1.c (reload_as_needed): Check !CALL_P before calling
5751         fixup_eh_region_note.
5752         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5753
5754 2005-09-01  DJ Delorie  <dj@redhat.com>
5755
5756         * varasm.c (output_constant): Let the target resolve
5757         conversions of addresses to non-default pointer sizes.
5758
5759 2005-09-01  Nicolas Pitre <nico@cam.org>
5760
5761         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5762         to alow matching ARM pre-indexed addressing mode.
5763         (arm_override_options): Remove now irrelevant comment.
5764
5765 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5766
5767         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5768         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5769         * config/i386/vxworks.h:  Likewise.
5770         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5771         * config/i386/vxworksae.h:  Likewise.
5772
5773 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5774
5775         PR tree-optimization/23410
5776         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5777         sequence is not wrapping during the first step.
5778
5779 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5780
5781         PR debug/7241
5782         * dwarf2out.c (base_type_die): Compare char_type_node with
5783         TYPE_MAIN_VARIANT (type), not type.
5784
5785 2005-09-01  Richard Guenther  <rguenther@suse.de>
5786
5787         PR tree-optimization/15366
5788         * common.opt: Add -finline-functions-called-once.
5789         Put -fearly-inlining in alphabetically ordered place.
5790         * doc/invoke.texi: Document new option.
5791         * ipa-inline.c (cgraph_decide_inlining): Honour
5792         flag_inline_functions_called_once.
5793
5794 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5795
5796         PR rtl-optimization/23478
5797         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5798         (alloc_qty): Initialize it.
5799         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5800         (combine_regs): Combine also n_throwing_calls_crossed fields.
5801         (find_free_reg): Don't attempt to caller-save pseudos crossing
5802         calls that might throw.
5803         * global.c (struct allocno): Add throwing_calls_crossed field.
5804         (global_alloc): Revert 2005-08-22 change.  Initialize
5805         throwing_calls_crossed.
5806         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5807         might throw.
5808
5809 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5810
5811         PR target/23649
5812         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5813         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5814         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5815         (and64_2_operand): Tweak to use predicate.
5816         (and_operand): Adjust for mask_operand changes.
5817         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5818         (print_operand): Likewise.
5819         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5820         (mask64_1or2_operand): Delete.
5821         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5822         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5823         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5824         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5825         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5826         (rotldi3_internal4): Likewise.
5827         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5828         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5829         (ashldi3_internal7): Likewise.
5830         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5831         (ashldi3_internal, ashldi3_internal9 split): Likewise.
5832         (anddi3 split): Don't match mask64_operand.
5833         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
5834         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
5835         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5836         't' splitter predicate.
5837         (movdi_internal64 + 2): Revert 2005-06-11 change.
5838
5839 2005-08-31  DJ Delorie  <dj@redhat.com>
5840
5841         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5842         (m32c_asm_integer): Add support for 32 bit pointers.
5843
5844 2005-08-31  Richard Henderson  <rth@redhat.com>
5845
5846         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5847         component-like references for setting MEM_NOTRAP_P.
5848
5849         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5850         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5851
5852 2005-08-31  Richard Henderson  <rth@redhat.com>
5853
5854         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5855         into a pseudo before applying gen_lowpart.
5856
5857 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
5858
5859         * doc/install.texi (Specific): Update cctools version required
5860         for full functionality.
5861         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5862         linkers as -macosx_version_min.
5863
5864 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
5865
5866         PR target/21255
5867         * sh.c (print_operand, %R and %S): Add handling of floating point
5868         registers, memory, constants and invalid operands.
5869
5870 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
5871
5872         * ipa-pure-const.c: Change dump name.
5873
5874 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5875
5876         PR target/23570
5877         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5878         to "reg_or_0_operand".
5879         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5880
5881 2005-08-31  Dale Johannesen  <dalej@apple.com>
5882
5883         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
5884         loops that count down.
5885
5886 2005-08-31  Richard Henderson  <rth@redhat.com>
5887
5888         PR rtl-opt/23601
5889         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5890         (fixup_eh_region_note): New.
5891         (reload_as_needed): Call it.
5892         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5893         don't call find_many_sub_basic_blocks; call verify_flow_info.
5894         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5895         (keep_stack_depressed): Likewise.
5896         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5897
5898 2005-08-31  Richard Henderson  <rth@redhat.com>
5899
5900         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5901         fp return matching.
5902
5903 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
5904
5905         * expr.c (expand_expr_real_1): Compare size of address
5906         mode to target's address mode size in deciding expansion of
5907         the constant address.
5908
5909 2005-08-31  Richard Guenther  <rguenther@suse.de>
5910
5911         PR middle-end/23477
5912         * expr.c (all_zeros_p): New function.
5913         (expand_expr_real_1): Handle the case of an all-zero
5914         non-addressable constructor separately.
5915
5916 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
5917
5918         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5919         arguments, adjust all callers.
5920         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5921
5922 2005-08-30  Richard Henderson  <rth@redhat.com>
5923
5924         PR target/23630
5925         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5926         whenever the mode sizes match.
5927
5928 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
5929
5930         * calls.c (load_register_parameters): Fix comment typo.
5931         * expr.c (emit_push_insn): Comment formatting.
5932
5933 2005-08-30  Ian Lance Taylor  <ian@airs.com>
5934
5935         * config/i386/x-cygwin (host-cygwin): Change dependency from
5936         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5937
5938 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
5939
5940         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5941         parts of 'vals'.
5942
5943 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
5944
5945         PR middle-end/23408
5946         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5947         call to ggc_collect.
5948
5949 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
5950
5951         PR bootstrap/21268
5952         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5953         beginning.  Remove $(INCLUDES) from all the rules, if following
5954         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5955
5956 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
5957
5958         PR middle-end/23484
5959         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5960         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5961         not constant, but maxlen is, don't set len to maxlen, rather
5962         set maxlen to len if len is a constant.
5963
5964 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
5965
5966         PR tree-optimization/23475
5967         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5968         and counts.
5969
5970 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
5971
5972         Fix PR middle-end/22455
5973
5974         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5975         Checksum only the parts of the tree that exist for the tree code.
5976
5977 2005-08-28  Dale Johannesen  <dalej@apple.com>
5978
5979         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
5980
5981 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
5982
5983         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5984
5985 2005-08-28  Richard Henderson  <rth@redhat.com>
5986
5987         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5988         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5989         of char_type_node.
5990
5991 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
5992
5993         PR ada/23593
5994         * builtins.c (get_memory_rtx): Don't strip nops
5995         in between COMPONENT_REFs.
5996
5997 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
5998
5999         PR middle-end/23463
6000         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6001         types.
6002         (gimplify_modify_expr): Check for zero sized types and gimplify the
6003         rhs and lhs as statements.
6004
6005 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6006
6007         PR libgcj/23508
6008         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6009         state for return address column of signal frames.
6010
6011 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6012
6013         PR target/23539
6014         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6015         bytes >= 2 not bytes == 2.
6016         (expand_block_move): Same.
6017
6018 2005-08-27  Richard Guenther  <rguenther@suse.de>
6019
6020         PR target/23575
6021         * config/i386/sse.md (sse2_movsd): Add missing closing
6022         braces.
6023
6024 2005-08-27  Paul Brook  <paul@codesourcery.com>
6025
6026         * genrecog.c (enum decision_type): Add DT_num_insns.
6027         (struct decision_test): Add u.num_insns.
6028         (add_to_sequence): Add DT_num_insns test.
6029         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6030         (write_cond, debug_decision_2): Ditto.
6031         (change_state): Assume peep2_next_insn never fails.
6032         Remove "afterward" argument.
6033         (write afterward, write_tree): Update to match.
6034         * recog.c (peep2_current_count): New variable.
6035         (peep2_next_insn): Check it.
6036         (peephole2_optimize): Set peep2_current_count.
6037         * recog.h (peep2_current_count): Declare.
6038
6039 2005-08-26  Josh Conner  <jconner@apple.com>
6040
6041         PR middle-end/23584
6042         * ipa-pure-const.c (check_tree): Check for volatile-ness
6043         when considering a dereference.
6044
6045 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6046
6047         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6048
6049 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6050
6051         PR rtl-optimization/23561
6052         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6053         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6054         at most LEN bytes long memory fits into the field.
6055         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6056         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6057         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6058
6059 2005-08-26  Richard Henderson  <rth@redhat.com>
6060
6061         PR rtl-opt/23560
6062         * loop.c (biased_biv_may_wrap_p): New.
6063         (maybe_eliminate_biv_1): Use it to suppress non-equality
6064         comparison transformations.  Delete disabled code.
6065
6066 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6067
6068         * combine.c (make_extraction): Avoid reference outside object.
6069
6070 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6071
6072         * stor-layout.c (finalize_type_size): Restore behaviour for
6073         non-aggregate types to the status quo ante of the patch for
6074         pr 23467.  Document why it matters.
6075
6076 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6077
6078         PR c/23506
6079         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6080         array by one element, initialize the BT_LAST element with NULL.
6081
6082 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6083
6084         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6085         optimizing for size.
6086         (plus_eqsi): Same.
6087         (compare_plus_eqsi): Same.
6088         (plus_eqsi_compare): Same.
6089         (neg_eq0<mode>): Same.
6090         (neg_eq<mode>): Same.
6091
6092         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6093         PROCESSOR_POWER4.
6094
6095 2005-08-26  Nick Clifton  <nickc@redhat.com>
6096
6097         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6098         TARGET_EP is not defined.
6099         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6100         TARGET_EP is enabled.
6101         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6102         * config/v850/v850.md (save_all_interrupt): Only use the EP
6103         register if TARGET_EP is defined.
6104         (restore_all_interrupt): Likewise.
6105         * config/v850/lib1funcs.asm: Update functions so that the EP
6106         register is only used if __EP__ is defined.
6107
6108 2005-08-26  David Ung  <davidu@mips.com>
6109
6110         * config/mips/mips.c (mips_expand_prologue): Handle case when
6111         generating for MIPS16 and the outgoing argument area is more than
6112         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6113         add instruction.
6114
6115 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6116
6117         * config/crx/crx.md: Make doloop_end pattern usage controllable
6118         via mloop-nesting=<max-nesting> command line switch. Make sure
6119         the combiner cannot use doloop_end_<mode> in an illegal way.
6120         * config/crx/crx.c: Use regs up to r6 for argument passing.
6121         Refine crx_address_cost (non cst4 displacements are expensive).
6122         * config/crx/crx.opt: Add switch for mloop-nesting=.
6123
6124 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6125
6126         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6127         (UNSPEC_MVST): New constant.
6128
6129 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6130
6131         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6132         Reject operands containing eliminable registers.
6133         * testsuite/gcc.dg/20050825-1.c: New testcase.
6134
6135 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6136             Jan Hubicka  <jh@suse.cz>
6137
6138         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6139
6140 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6141
6142         PR tree-optimization/23546
6143         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6144         and REAL_CST nodes.
6145
6146 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6147
6148         * params.def (PARAM_MIN_SPEC_PROB): New.
6149         * sched-rgn.c (MIN_PROBABILITY): Delete.
6150         (compute_trg_info): Convert to PARAM_VALUE.
6151         * doc/invoke.texi (param): Document min-spec-prob.
6152
6153 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6154
6155         * config/darwin.h: define __PIC__
6156         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6157         TARGET_OS_CPP_BUILTINS macro.
6158
6159 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6160
6161         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6162         yesterday.
6163
6164 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6165
6166         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6167         to duplicate_block.
6168         * cfghooks.c (duplicate_block): Added position where to place
6169         new block as argument.
6170         * cfghooks.h (duplicate_block): Declaration changed.
6171         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6172         duplicate_block.
6173         * cfglayout.h (copy_bbs): Declaration changed.
6174         * cfgloop.h (loop_version): Declaration changed.
6175         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6176         position to copy_bbs.
6177         (loop_version): Pass position to duplicate_loop_to_header_edge.
6178         Add place_after argument and position new blocks according to
6179         it.
6180         * modulo-sched.c (sms_schedule): Pass place_after argument
6181         to loop_version.
6182         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6183         * tree-cfg.c (split_edge_bb_loc): New function.
6184         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6185         to determine position of new blocks.
6186         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6187         to loop_version.
6188         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6189         argument to duplicate_block.
6190         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6191         Pass position to copy_bbs.
6192
6193 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6194
6195         * fold-const.c (ptr_difference_const): Use
6196         cst_and_fits_in_hwi instead of host_integerp.
6197
6198 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6199
6200         * config/darwin.c (gen_pic_offset): New.
6201         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6202         Use it.
6203
6204 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6205
6206         PR tree-optimization/23486
6207         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6208
6209 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6210
6211         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6212         remove use_collect2.
6213         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6214
6215         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6216         configuration files to override the default value.
6217
6218         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6219         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6220         * config/vx-common.h:  New file, split out from...
6221         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6222         * config/vxworksae.h:  New file, for VxWorks AE.
6223         * config/vxworks.opt:  New file.
6224         * config/vxlib.c:  Update for VxWorks 6.
6225
6226         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6227         other MULTILIB_* variables appropriately.
6228         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6229         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6230         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6231         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6232
6233 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6234
6235         PR target/20799
6236         * config/darwin.c (machopic_select_section): Remove the hack to
6237         mark "::operator new" and "::operator delete" for coalescing
6238         even though they are not weak.
6239
6240 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6241
6242         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6243         * configure: Regenerate.
6244
6245 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6246
6247         PR middle-end/23517
6248         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6249         between vectors.
6250         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6251         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6252         Likewise.
6253
6254 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6255
6256         * config/rs6000/predicates.md (equality_operator): New.
6257         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6258         comparison with a large constant.
6259
6260 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6261
6262         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6263
6264 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6265
6266         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6267         registers is even, and we have a hardware double precision fp,
6268         align the buffer.
6269         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6270         size of current argument when checking if argument was passed in
6271         registers.
6272
6273         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6274
6275         PR middle-end/23467
6276         * stor-layout.c (finalize_type_size): Dont override
6277         existing alignment with a smaller alignment from the mode.
6278
6279 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6280
6281         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6282         * lambda.h (lambda_vector_lexico_pos): ... here.
6283         * tree-data-ref.c (build_classic_dist_vector): Return false when
6284         the distance vector is lexicographically negative.
6285
6286 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6287
6288         PR tree-optimization/23511
6289         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6290         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6291
6292 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6293
6294         PR tree-optimization/22043
6295         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6296         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6297         If ALLOW_FLEXARR, handle types ending with flexible array member.
6298         Pass false as second argument to recursive count_type_elements calls.
6299         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6300         argument to count_type_elements call.
6301         * tree-sra.c (decide_block_copy): Likewise.
6302         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6303         for a constant-sized object, set cleared as well.  Pass true as
6304         second argument to count_type_elements call.
6305
6306 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6307
6308         PR target/21571
6309         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6310         from legitimate_small_data_p, and make global.  Update use.
6311         Remove forward declaration.
6312         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6313         Declare.
6314         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6315
6316 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6317
6318         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6319         of scratch intermediates.
6320         (eq<mode>_compare): Same.
6321         (neg_eq0<mode>): New.
6322         (neg_eq<mode>): Convert to define_insn_and_split.
6323
6324 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6325
6326         PR target/23070
6327         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6328         stdarg functions, set/clear the fp marker even when no variable
6329         args are passed.
6330         * config/rs6000/sysv4.opt (mprototype): Describe.
6331
6332 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6333
6334         PR rtl-optimization/23478
6335         * regs.h (reg_info): Add throw_calls_crossed.
6336         (REG_N_THROWING_CALLS_CROSSED): Define.
6337         * flow.c (allocate_reg_life_data): Initialize
6338         REG_N_THROWING_CALLS_CROSSED.
6339         (propagate_one_insn, attempt_auto_inc): Update
6340         REG_N_THROWING_CALLS_CROSSED.
6341         * global.c (global_alloc): Don't allocate pseudos across
6342         calls that may throw.
6343
6344 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6345
6346         PR c/18715
6347         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6348         value is inbetween the range if we did not find an exact match.
6349
6350 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6351
6352         * doc/invoke.texi (Option Summary): Add ms1 options.
6353         * doc/extend.texi: Document interrupt handler attribute for ms1.
6354         * doc/md.texi: Document ms1 constraints.
6355         * config.gcc: Add ms1-*-elf.
6356         * config/ms1/ms1.h: New.
6357         * config/ms1/ms1.c: New.
6358         * config/ms1/ms1.md: New.
6359         * config/ms1/ms1-protos.h: New.
6360         * config/ms1/ABI.txt: New.
6361         * config/ms1/crti.asm: New.
6362         * config/ms1/crtn.asm: New.
6363         * config/ms1/lib2extra-funcs.c: New.
6364         * config/ms1/t-ms1: New.
6365         * config/ms1/ms1.opt: New.
6366
6367 2005-08-22 Ira Rosen <irar@il.ibm.com>
6368
6369         * config/rs6000/altivec.md (xorv4sf3): New.
6370         (negv4sf2, neg<mode>2): Likewise.
6371
6372 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6373
6374         PR target/23485
6375         * config/ia64/ia64.md (divsi3): Check divide by zero.
6376         (udivsi3): Likewise.
6377         (divdi3): Likewise.
6378         (udivdi3): Likewise.
6379
6380 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6381
6382         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6383         up to elem_bitsize bits, not max_bitsize.
6384
6385 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6386
6387         PR tree-optimization/23433
6388         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6389         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6390
6391 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6392
6393         PR tree-optimization/23434
6394         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6395         the iteration bound is not an INTEGER_CST.
6396
6397 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6398
6399         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6400         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6401         NULL if need_epilog_adjust is false.
6402         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6403         Case 3 always peels first itration, not just for PLUS case, and no need
6404         to use scalar_initial_def here. Create an epilog adjustment only if
6405         scalar_initial_def is not NULL.
6406
6407         (vectorizable_reduction): Remove assert.
6408
6409 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6410
6411         PR target/23485
6412         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6413         (__moddi3): Likewise.
6414         (__udivdi3): Likewise.
6415         (__umoddi3): Likewise.
6416         (__divsi3): Likewise.
6417         (__modsi3): Likewise.
6418         (__udivsi3): Likewise.
6419         (__umodsi3): Likewise.
6420
6421 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6422
6423         * tree-pass.h (TDF_GRAPH): Define.
6424         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6425         * passes.c (finish_optimization_passes): Only call
6426         finish_graph_dump_file if TDF_GRAPH is set.
6427         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6428         NULL.  Set TDF_GRAPH bit.
6429         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6430
6431 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6432
6433         * arm.h (arm_stack_offsets): Add locals_base field.
6434         * arm.c (arm_get_frame_offsets): Compute it.
6435         (thumb_compute_initial_elimination offset): Make the Thumb frame
6436         pointer point to the base of the local variables.
6437         (thumb_expand_prologue): Update accordingly.
6438         (thumb_expand_epilogue): Likewise.
6439
6440         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6441         mode of clobbered scratch to DImode.  Handle a case that's known to
6442         need this.
6443
6444 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6445
6446         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6447         (gt0<mode>_compare): Delete.
6448         (neg_gt0<mode>): Delete.
6449
6450 2005-08-19  Eric Christopher  <echristo@apple.com>
6451
6452         * optabs.h: Change CTI_ to COI_.
6453         * optabs.c: Ditto.
6454
6455 2005-08-19  James E Wilson  <wilson@specifix.com>
6456
6457         * builtins.c (expand_builtin_return_addr): Set
6458         current_function_accesses_prior_frames when count != 0.  Use
6459         frame_pointer_rtx when count == 0.
6460         * function.h (struct function): Add accesses_prior_frames field.
6461         (current_function_accesses_prior_frames): Define.
6462         * reload1.c (init_elim_table): Check
6463         current_function_accesses_prior_frames.
6464         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6465
6466 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6467
6468         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6469         indicator.  Return true if the flowgraph changed during
6470         cleanup.
6471
6472 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6473
6474         PR 23476
6475         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6476         conditional expression before testing its value.
6477
6478 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6479
6480         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6481
6482 2005-08-19  Devang Patel  <dpatel@apple.com>
6483
6484         PR tree-optimization/23048
6485         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6486         third parameter. Check whether latch is dominated by exit
6487         block or not.
6488         (if_convertible_loop_p): Supply exit block itself to
6489         if_convertible_bb_p.
6490
6491 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6492
6493         PR target/23473
6494         * arm.md (arm_load_pic_register): Change argument to the mask of
6495         saved registers.  Call thumb_find_work_register if we need a
6496         scratch register on Thumb.
6497         (arm_expand_prologue): Pass empty register set to
6498         arm_load_pic_register.
6499         (thumb_expand_prologue): Pass live_regs_mask directly to
6500         arm_load_pic_register.
6501         * arm-protos.h (arm_load_pic_register): Update prototype.
6502
6503 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6504
6505         * sh.c (find_sole_member): New function.
6506         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6507         if the record's alignment is larger than the size of its only member.
6508
6509 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6510
6511         PR target/23436
6512         * arm.c (thumb_legitimize_reload_address): New function.
6513         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6514         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6515
6516 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6517
6518         * config/crx/crx.c: Implement crx_decompose_address. Reject
6519         symbolic displacements since CRX register relative adressing
6520         mode can't handle unsigned 32-bit values as displacements.
6521         * config/crx/crx.h: Simplify definitions, remove redundant
6522         parenthesis and obsolete macros.
6523         * config/crx/crx.opt: Add new switch for debugging addresses.
6524         * config/crx/crx-protos.h: Add new declarations for above.
6525
6526 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6527
6528         PR middle-end/20624
6529         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6530         looking past it.
6531
6532 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6533
6534         * collect2.c (dup2): Delete.
6535         * configure.ac: Don't check for dup2.
6536
6537         * config.in, configure: Regenerate.
6538
6539 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6540
6541         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6542         record with the type of its only member.
6543
6544 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6545
6546         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6547         define_insn_and_split.
6548         (plus_ltu<mode>_compare): Same.
6549         (gtu<mode>_compare): Same.
6550         (plus_gtu<mode>_compare): Same.
6551
6552 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6553
6554         PR tree-optimization/22228
6555         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6556         todo_flags_start.
6557         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6558         are recorded in vect_vnames_to_rename for renaming.
6559         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6560         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6561         in vect_vnames_to_rename.
6562         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6563         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6564
6565 2005-08-18  Jan Hubicka  <jh@suse.cz>
6566
6567         PR c++/22034
6568         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6569         info only for local statics, not for member variables.
6570
6571 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6572
6573         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6574
6575 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6576
6577         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6578
6579 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6580
6581         PR middle-end/16045
6582         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6583
6584 2005-08-17  James E Wilson  <wilson@specifix.com>
6585
6586         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6587         array size check.
6588
6589 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6590
6591         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6592         (leu<mode>_compare): Same.
6593         (plus_leu<mode>): Same.
6594         (neg_leu<mode>): Same.
6595         (and_neg_leu<mode): Same.
6596         (ltu<mode>_compare): Same.
6597         (plus_ltu<mode>): Same.
6598         (geu<mode>): Same.
6599         (geu<mode>_compare): Same.
6600         (plus_geu<mode>): Same.
6601         (neg_geu<mode>): Same.
6602         (and_neg_geu<mode>): Same.
6603         (plus_gt<mode>): Same.
6604         (gtu<mode>_compare): Same.
6605         (plus_gtu<mode>): Same.
6606
6607 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6608
6609         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6610         Move call_table_data to end.  Delete spurious .text.
6611         (callt_save_all_interrupt): Fix comment typo.
6612
6613 2005-08-17  James E Wilson  <wilson@specifix.com>
6614             Kevin Winchester  <winchester@amirix.com>
6615
6616         PR target/21684
6617         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6618
6619 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6620
6621         PR target/23268
6622         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6623         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6624
6625 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6626
6627         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6628         record with the type of its only member if the modes don't match.
6629
6630         * varasm.c (decode_reg_name): Skip empty additional register names.
6631
6632 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6633
6634         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6635         lsm_tmp_name_length): New.
6636         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6637         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6638
6639 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6640             Andreas Krebbel  <krebbel1@de.ibm.com>
6641
6642         * config.gcc: Added z9-109 switch.
6643         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6644         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6645         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6646         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6647         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6648         for "z9_109" cpu attribute.
6649         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6650         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6651         (s390_handle_arch_option): Added z9-109 switch.
6652         (override_options): Set respective cost function for z9-109.
6653         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6654         (legitimate_reload_constant_p): Accept extended immediates.
6655         (print_operand): Three new output modifiers added: k, m and o.
6656         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6657         (s390_output_mi_thunk): Use extended immediate when possible.
6658         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6659         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6660         (CONSTRAINT_LEN): Added length of O constraint.
6661         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6662         * config/s390/s390.md ("cpu"): New value z9_109 added.
6663         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6664         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6665         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6666         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6667         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6668         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6669         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6670         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6671         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6672         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6673         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6674         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6675         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6676         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6677         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6678         immediates.
6679         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6680         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6681         insns for TARGET_EXTIMM.
6682
6683 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6684
6685         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6686
6687 2005-08-17  Nick Clifton  <nickc@redhat.com>
6688
6689         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6690         Call default_encode_section_info.
6691
6692 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6693
6694         PR tree-optimization/21574
6695         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6696         constant, return CONSTANT.
6697         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6698         (ccp_fold, visit_assignment): Likewise.
6699         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6700
6701 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6702
6703         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6704         fold_buildN instead of buildN then fold_initializer or fold.
6705         (build_unary_op): Likewise.
6706         (build_binary_op): Likewise.
6707         * fold-const.c (fold_initializer): Remove.
6708         (fold_build1_initializer): New function.
6709         (fold_build2_initializer): New function.
6710         (fold_build3_initializer): New function.
6711         * tree.h (fold_initializer): Remove.
6712         (fold_build1_initializer): New function.
6713         (fold_build2_initializer): New function.
6714         (fold_build3_initializer): New function.
6715
6716 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6717
6718         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6719         (try_move_mult_to_index): Call fold_build2 instead of build2.
6720         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6721         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6722         fold_binary_to_constant.
6723         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6724         fold (build.
6725         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6726         check if A == gcd (A, B).  Remove TYPE argument.
6727         (analyze_offset) Use fold_build2 instead of fold (build.
6728         (create_data_ref): Likewise.
6729         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6730         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6731         then fold.
6732
6733 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6734
6735         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6736         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6737
6738 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6739
6740         PR tree-opt/23402
6741         * gimplify.c (zero_sized_type): New function.
6742         (gimplify_modify_expr_rhs): If we have a zero sized type,
6743         replace the statement with an empty statement.
6744
6745 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6746
6747         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6748         fxsave.
6749
6750 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6751
6752         * doc/tm.texi (Label Output): Correct typo.
6753
6754 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6755
6756         PR target/23376
6757         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6758         force_operand will work later on using have_insn_for.
6759
6760 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6761
6762         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6763
6764 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6765
6766         PR c++/23337
6767         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6768         vector type, don't try to construct it element by element.  Add an
6769         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6770
6771 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6772
6773         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6774
6775 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6776
6777         * doc/invoke.texi (Precompiled Headers): Document some more options
6778         which are known to be safe.
6779
6780 2005-08-16  James E Wilson  <wilson@specifix.com>
6781
6782         PR tree-optimization/21105
6783         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6784         TREE_OVERFLOW check.
6785
6786 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6787
6788         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6789         (neg_ltu<mode>): Same.
6790         (gtu<mode>): Same.
6791         (neg_gtu<mode>): Same.
6792
6793 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6794
6795         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6796         (fold_builtin_isdigit): Use fold_buildN.
6797         (build_function_call_expr): Likewise.
6798         * c-typeck.c (c_finish_loop): Likewise.
6799
6800 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6801             Richard Shann <rshann@superh.com>
6802
6803         PR middle-end/20396:
6804         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6805
6806 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6807
6808         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6809
6810 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6811
6812         PR target/23355
6813         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6814         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6815         must be saved.
6816
6817 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6818
6819         PR middle-end/23369
6820         * fold-const.c (build_range_check): Disable optimization for function
6821         pointer expressions on targets that require function pointer
6822         canonicalization.
6823
6824 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
6825
6826         * simplify-rtx.c (simplify_const_relational_operation): When
6827         extracting arguments of a COMPARE, recompute the mode as well.
6828
6829 2005-08-15  Ian Lance Taylor  <ian@airs.com>
6830
6831         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6832
6833 2005-08-15  DJ Delorie  <dj@redhat.com>
6834
6835         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6836         the stack.
6837         (movsi_splittable): Allow, but split, moves to the stack.
6838         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6839         stack.
6840
6841 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6842
6843         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6844         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6845         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6846
6847         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6848         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6849         Delete HOST_PTR_PRINTF.
6850
6851         * configure, config.in: Regenerate.
6852
6853 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
6854
6855         * config/rs6000/rs6000.md (QHSI): New mode macro.
6856         (wd): Extend mode attr for QImode and HImode
6857         (dbits): New mode attr.
6858         (zero_extend<mode>di2): Convert to mode macro.
6859
6860 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
6861
6862         PR target/21841
6863         * doc/invoke.texi (-mgnu-ld): Update description.
6864         (-mhp-ld): Ditto.
6865
6866 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6867
6868         PR 23391
6869         * Makefile.in (tree-chrec.o): Depends on real.h.
6870         * tree-chrec.c: Include real.h.
6871         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6872         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6873         * tree-scalar-evolution.c (add_to_evolution_1,
6874         interpret_rhs_modify_expr): Ditto.
6875
6876 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6877
6878         PR 23386
6879         * tree-data-ref.c (estimate_niter_from_size_of_data): When
6880         step is negative compute the estimation from init downwards to zero.
6881
6882 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
6883
6884         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6885
6886 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6887
6888         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6889         constraint.
6890         (legitimate_reload_constant_p): Fix handling of lliXX operands.
6891         Accept double-word constants that can be split.
6892         * config/s390/s390.md ("movti"): Use 'P' constraint.
6893         ("*movdi_31", "*movdf_31"): Likewise.
6894
6895 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
6896
6897         Fix PR tree-optimization/22615
6898
6899         * tree-ssa-structalias.c (solution_set_add): Handle
6900         first_vi_for_offset returning NULL.
6901         (do_da_constraint): Ditto.
6902         (do_sd_constraint): Ditto.
6903         (do_ds_constraint): Ditto
6904         (find_func_aliases): Ditto.
6905         (build_constraint_graph): RHS is allowed be ANYTHING.
6906         (first_vi_for_offset): Return NULL if we couldn't find anything at
6907         the offset.
6908
6909 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6910
6911         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6912         over memory as first operand.
6913
6914 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
6915
6916         PR target/23360
6917         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6918         available for setting it.
6919
6920 2005-08-14  Ira Rosen  <irar@il.ibm.com>
6921
6922         PR tree-optimization/23320
6923         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6924         data-refs' types instead of base object nullness. Add check for
6925         pointer type data-refs before first location comparison. Remove
6926         assert.
6927
6928 2005-08-14  Andreas Schwab  <schwab@suse.de>
6929
6930         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6931
6932 2005-08-13  James E Wilson  <wilson@specifix.com>
6933
6934         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6935         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6936         -fstack-protector-all, --param ssp-buffer-size): Document.
6937         (-Wvariadic-macros): Alphabetize.
6938         (-fsched-stalled-insns-dep): Add missing 'f'.
6939
6940         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6941         macros.
6942
6943 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
6944
6945         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6946         or indirect address operand.
6947         (EXTRA_ADDRESS_CONSTRAINT): New.
6948         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6949
6950 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
6951
6952         PR tree-optimization/22236
6953         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6954         successors and predecessors.
6955         * tree-chrec.c (chrec_convert): Before converting, check that
6956         sequences don't wrap.
6957         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6958         (analyze_array): Extern.
6959         (find_data_references_in_loop): Remove call to
6960         compute_estimated_nb_iterations.
6961         * tree-data-ref.h (analyze_array): Declared.
6962         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6963         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6964         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6965         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6966         condition.
6967         * tree-ssa-loop-ivcanon.c: Fix documentation.
6968         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6969         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6970         (infer_loop_bounds_from_undefined): New.
6971         (estimate_numbers_of_iterations_loop): Use
6972         infer_loop_bounds_from_undefined.
6973         (used_in_pointer_arithmetic_p): New.
6974         (scev_probably_wraps_p): Pass an extra parameter.  Call
6975         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
6976         (convert_step): Fix documentation.
6977         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6978         Use initial_condition_in_loop_num and evolution_part_in_loop_num
6979         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
6980         scev_probably_wraps_p.
6981
6982 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
6983
6984         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6985         (s390_register_info): Ignore clobbered_regs information for fixed
6986         registers, and only fixed registers.
6987         (s390_init_frame_layout): Remove redundant call.
6988
6989 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
6990
6991         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6992         description of -Wold-style-casts.
6993
6994 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6995             Jakub Jelinek  <jakub@redhat.com>
6996
6997         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6998         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6999         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7000         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7001         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7002         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7003         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7004         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7005         ("stack_protect_set", "stack_protect_test"): New expanders.
7006         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7007         "stack_protect_testdi"): New insn definitions.
7008
7009 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7010
7011         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7012
7013 2005-08-12  Paul Brook  <paul@codesourcery.com>
7014
7015         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7016
7017 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7018
7019         * config/s390/predicates.md (setmem_operand): New predicate.
7020         (shift_count_operand): Accept ANDs with special constants as
7021         operand.
7022         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7023         with special constants.
7024         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7025         shift_count_operand with setmem_operand.
7026
7027 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7028
7029         * config/s390/s390.c (s390_extract_part, s390_single_part):
7030         Type cast added.
7031         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7032         (s390_output_mi_thunk): Don't use lg on 31 bit.
7033         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7034         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7035
7036 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7037
7038         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7039         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7040         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7041         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7042         with one of the new macros.
7043
7044 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7045
7046         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7047         Don't set save_return_addr_p.
7048         (s390_register_info): Make clobbered_regs not depending on
7049         save_return_addr_p.
7050
7051 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7052
7053         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7054         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7055
7056 2005-08-11  James E. Wilson  <wilson@specifix.com>
7057
7058         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7059
7060 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7061
7062         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7063         locations gathered by var-tracking in single entry loc_list
7064         over loc_descriptor_from_tree.
7065
7066         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7067         pass it down to loc_descriptor.
7068         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7069         (containing_function_has_frame_base): Move earlier in the file.
7070         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7071         instead of always assuming fbreg can't be used.
7072
7073 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7074
7075         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7076         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7077         Accept address wrapped in AND for Altivec.
7078         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7079         Strip AND wrapping offset address for Altivec.
7080
7081 2005-08-11  Richard Henderson  <rth@redhat.com>
7082
7083         PR middle-end/23312
7084         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7085         before using TYPE_IS_SIZETYPE.
7086
7087 2005-08-11  Richard Henderson  <rth@redhat.com>
7088
7089         PR target/22225
7090         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7091         insn types not present on ev4.
7092         (alphaev5_insn_pipe): Similarly.
7093
7094 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7095
7096         PR target/23250
7097         * arm.c (arm_override_options): If the user has selected callee-super-
7098         interworking, then enable normal interworking.
7099
7100 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7101
7102         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7103         redefinition.
7104
7105 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7106
7107         * doc/rtl.texi: Fix two typos.
7108
7109 2005-08-11  Richard Guenther  <rguenther@suse.de>
7110
7111         PR target/23289
7112         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7113         cases where we call to/from functions returning void.
7114
7115 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7116
7117         PR c++/23225
7118         * tree.c (build_pointer_type_for_mode): Robustify.
7119
7120 2005-08-10  James E Wilson  <wilson@specifix.com>
7121
7122         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7123         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7124
7125         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7126         "cum->".
7127
7128 2005-08-10  Eric Christopher  <echristo@apple.com>
7129
7130         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7131         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7132         V2DFmode.
7133
7134 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7135
7136         PR target/21887
7137         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7138         for the high part when generating dynamic-no-pic code.
7139
7140 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7141
7142         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7143         (x86_64-*-linux*): Likewise.
7144
7145         * config/i386/crtfastmath.c: New file.
7146         * config/i386/t-crtfm: Likewise.
7147
7148         * config/i386/linux.h (ENDFILE_SPEC): New.
7149         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7150
7151         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7152         crtfastmath.o.
7153
7154 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7155
7156         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7157         (vec_shl, vec_shr): Document new operations.
7158         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7159
7160 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7161
7162         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7163         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7164         change predicate to indexed_or_indirect_address.
7165
7166 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7167
7168         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7169         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7170         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7171         and __aeabi_uwrite8.
7172         * config/arm/unaligned-funcs.c: New file.
7173         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7174
7175 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7176
7177         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7178         Add dump.
7179         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7180         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7181         Add dump.
7182         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7183         * final.c (pass_shorten_branches): Add dump.
7184         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7185         (pass_life): Rename dump.
7186         (rest_of_handle_flow2): Remove initial verify_flow_info.
7187         * function.c (pass_instantiate_virtual_regs): Add dump.
7188         * integrate.c (pass_initial_value_sets): Add dump.
7189         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7190         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7191         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7192         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7193         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7194         gate_rtl_unrool_and_peel_loops): New.
7195         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7196         rtl_doloop): Do not look at flags.
7197         * mode-switching.c (pass_mode_switching): Add dump.
7198         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7199         pass_split_before_regstack): Add dump.
7200         * regmove.c (pass_stack_adjustments): Add dump.
7201         * tree-optimize.c (pass_fixup_cfg): Add dump.
7202
7203 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7204
7205         PR 23309
7206         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7207         deciding which instruction sequence to use.
7208
7209 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7210
7211         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7212         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7213
7214 2005-08-09  Richard Guenther  <rguenther@suse.de>
7215
7216         * c-common.c (builtin_function_2): Remove.
7217         (def_builtin_1): New function.
7218         (c_common_nodes_and_builtins): Use def_builtin_1 to
7219         build builtin functions.
7220
7221 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7222
7223         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7224         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7225         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7226         Visual DSP.
7227
7228 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7229
7230         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7231         fold_binary instead of fold_build2 since we don't care about the
7232         resulting tree.
7233         (loop_niter_by_eval): Likewise.
7234         (compare_trees): Likewise.
7235         (proved_non_wrapping_p): Likewise.
7236
7237 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7238
7239         PR c/23161
7240         PR c/23165
7241         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7242         if the if is really empty.
7243
7244 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7245
7246         PR tree-optimization/23234
7247         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7248         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7249         argument of the new enum.
7250         (execute_cse_reciprocals): Add reciprocals for function arguments
7251         on the unique successor edge of the entry block.  Update other calls
7252         to execute_cse_reciprocals_1.
7253
7254 2005-08-08  Richard Henderson  <rth@redhat.com>
7255
7256         PR 22439
7257         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7258
7259 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7260
7261         * expr.c (write_complex_part): Return after handling MEM.
7262
7263 2005-08-08  Josh Conner  <jconner@apple.com>
7264
7265         PR rtl-optimization/23241
7266         * combine.c (simplify_comparison): Fix error in determining
7267         whether to lift a subreg from comparison.
7268
7269 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7270
7271         PR target/18506
7272         * config/rs6000/altivec.md (vec_init<mode>): New.
7273         (vec_set<mode>): New.
7274         (vec_extract<mode>): New.
7275         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7276         (rs6000_expand_vector_set): New.
7277         (rs6000_expand_vector_extract): New.
7278         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7279         for Altivec modes before reload.
7280         (altivec_expand_vec_init_builtin): New.
7281         (get_element_number): New.
7282         (altivec_expand_vec_set_builtin): New.
7283         (altivec_expand_vec_ext_builtin): New.
7284         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7285         builtins.
7286         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7287         builtins.
7288         * config/rs6000/rs6000.h (rs6000_builtins): Add
7289         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7290         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7291         * config/rs6000/rs6000-protos.h: Declare new functions.
7292
7293 2005-08-08  Jan Hubicka  <jh@suse.cz>
7294
7295         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7296         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7297         * i386.md (movdi*): Use pic_32bit_operand.
7298         * predicates.md (pic_32bit_operand): New.
7299
7300 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7301
7302         PR c++/21166
7303         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7304
7305 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7306
7307         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7308         (test_for_singularity): Use fold_build2.
7309
7310 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7311
7312         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7313
7314 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7315
7316         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7317         (COMMON_ASM_OP) Define.
7318         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7319         (ix86_encode_section_info): Likewise.
7320         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7321         SUBTARGET_ENCODE_SECTION_INFO.
7322
7323 2005-08-06  Richard Henderson  <rth@redhat.com>
7324
7325         PR 21894
7326         * tree-nested.c (convert_local_reference): Save and restore val_only
7327         around component_ref and friends.  Clear walk_subtrees by default.
7328
7329 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7330
7331         PR 21366
7332         * gcc.c (process_command): Check the argument to -b has a dash.
7333         * doc/invoke.texi: Update -b and -V docs.
7334
7335 2005-08-06  James E Wilson  <wilson@specifix.com>
7336
7337         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7338
7339 2005-08-06  Michael Matz  <matz@suse.de>
7340
7341         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7342         member only if only one insn is associated with the value.
7343
7344 2005-08-06  Nick Clifton  <nickc@redhat.com>
7345
7346         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7347         New define.
7348         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7349         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7350         Check symbol flags instead of symbol name mangling.
7351         (xstormy16_asm_output_aligned_common): Likewise.  Also
7352         simplify code since the bss100_section cass is the only case
7353         where the below100 code will be triggered.
7354         (xstormy16_encode_section_info): Encode below100 attribute
7355         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7356         the name.
7357         (xstormy16_strip_name_encoding): Delete - this function is no
7358         longer needed.
7359         (TARGET_STRIP_NAME_ENCODING): Undefine.
7360         * config/stormy16/stormy16-protos.h: Delete prototype for
7361         xstormy16_strip_name_encoding.
7362
7363 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7364
7365         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7366         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7367         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7368         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7369         config/alpha/predicates.md, config/arc/arc.h,
7370         config/arm/arm.h, config/arm/ieee754-df.S,
7371         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7372         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7373         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7374         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7375         config/m68hc11/m68hc11.h, config/mips/mips.c,
7376         config/mips/mips.h, config/mips/openbsd.h,
7377         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7378         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7379         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7380         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7381         config/sparc/linux.h, config/sparc/linux64.h,
7382         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7383         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7384         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7385         typos.  Follow spelling conventions.
7386
7387 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7388
7389         PR c/23113
7390         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7391         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7392         specially.  Check for side effects only for COND_EXPR.
7393         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7394         return with TREE_NO_WARNING.
7395
7396 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7397
7398         PR rtl-optimization/23233
7399         * loop.c (combine_movables): Require the modes to be the same.
7400         (move_movables): Remove handling of cases where the replacement
7401         had a different mode to the original.
7402
7403 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7404
7405         PR tree-optimization/23128
7406         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7407         subtraction wrap, and set TREE_OVERFLOW if they do.
7408
7409 2005-08-05  Richard Henderson  <rth@redhat.com>
7410
7411         PR 21728
7412         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7413         FORCED_LABEL labels.
7414
7415 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7416
7417         PR middle-end/23135
7418         * reload.c (find_reloads_subreg_address): Pass down TYPE
7419         unchanged.  Change all callers except find_reloads_toplev.
7420
7421 2005-08-05  Michael Matz  <matz@suse.de>
7422
7423         * genattrtab.c (current_alternative_string): Remove.
7424         (SIMPLIFY_ALTERNATIVE): Ditto.
7425         (attr_alt_bit_p): Ditto.
7426         (alternative_name): Make const char *.
7427         (evaluate_eq_attr): Remove use of above things.
7428         (simplify_test_exp): Ditto.
7429         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7430         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7431
7432 2005-08-04  James E Wilson  <wilson@specifix.com>
7433
7434         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7435         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7436         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7437         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7438         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7439
7440 2005-08-04  Richard Henderson  <rth@redhat.com>
7441
7442         PR 21529
7443         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7444         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7445         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7446         if we'd have to instantiate too many members.
7447
7448 2005-08-04  Richard Henderson  <rth@redhat.com>
7449
7450         PR 21291
7451         * tree-outof-ssa.c (coalesce_asm_operands): New.
7452         (coalesce_ssa_name): Use it.  Split out ...
7453         (coalesce_phi_operands, coalesce_result_decls): ... these.
7454
7455 2005-08-04  Paul Brook  <paul@codesourcery.com>
7456
7457         * read-rtl.c (read_quoted_string): Break if EOF.
7458
7459 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7460
7461         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7462         (fold_build2): Likewise.
7463         (fold_build3): Likewise.
7464         (fold_build1_stat): New function prototype.
7465         (fold_build2_stat): Likewise.
7466         (fold_build3_stat): Likewise.
7467         * fold-const.c (fold_build1): Rename to ..
7468         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7469         through to build1_stat.
7470         (fold_build2): Rename to ..
7471         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7472         through to build2_stat.
7473         (fold_build3): Rename to ..
7474         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7475         through to build3_stat.
7476
7477 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7478             Ian Lance Taylor  <ian@airs.com>
7479
7480         * function.c (assign_stack_local_1): Do not correct stack slot
7481         address if allocation size is smaller than mode size.
7482
7483 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7484
7485         PR 22037
7486         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7487         (tree_merge_blocks): Propagate anything allowed by
7488         may_propagate_copy.
7489         Clarify documentation.
7490         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7491         SSA form, schedule an update if necessary.
7492
7493 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7494
7495         * doc/install.texi (Binaries): Remove broken link to
7496         Sinix/Reliant Unix binaries.
7497
7498 2005-08-03  Richard Henderson  <rth@redhat.com>
7499
7500         PR 23221
7501         * function.c (stack_protect_epilogue): Export.
7502         * tree.h (stack_protect_epilogue): Declare.
7503         * calls.c (expand_call): Call it.
7504
7505 2005-08-03  Eric Christopher  <echristo@apple.com>
7506
7507         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7508         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7509         spec.
7510
7511 2005-08-04  Jan Hubicka  <jh@suse.cz>
7512
7513         * profile.c (branch_prob): Split edges with goto locus on them
7514         to get proper line counts.
7515         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7516
7517 2005-08-03  Paul Brook  <paul@codesourcery.com>
7518
7519         * function.c (assign_parms): Round current_function_args_size
7520         to PARM_BOUNDARY, not STACK_BOUNDARY.
7521
7522 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7523
7524         * config/i386/i386.c (x86_elf_aligned_common)
7525         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7526
7527 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7528
7529         PR tree-optimization/23157
7530         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7531         before emitting them.
7532
7533 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7534
7535         PR tree-optimization/19899
7536         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7537         * tree-scalar-evolution.c: Include real.h.
7538         (add_to_evolution): Build constant -1 of correct type.
7539
7540 2005-08-03  Jan Hubicka  <jh@suse.cz>
7541
7542         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7543         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7544         profile updating for complette unrolling.
7545         * loop-unroll.c (peel_loop_completely): Use it.
7546         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7547         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7548         loops.
7549
7550 2005-08-03  Paul Brook  <paul@codesourcery.com>
7551
7552         * combine.c (can_change_dest_mode): New function.
7553         (try_combine, simplify_set): Use it.
7554
7555 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7556
7557         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7558         TFmode to BLKmode.
7559
7560 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7561
7562         * doc/install.texi (Specific): Adjust link to openavr.org.
7563         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7564         (Binaries): Adjust HP-UX Porting Center link.
7565         (Binaries): Adjust Free Software Foundation ordering link.
7566
7567 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7568
7569         * convert.c (convert_to_integer): Use fold_build1 instead of
7570         build1 when converting an integer to an integer.
7571
7572 2005-08-02  Richard Henderson  <rth@redhat.com>
7573
7574         * combine.c (combine_instructions): Don't use reg_equal/equiv
7575         results if the mode doesn't match.
7576
7577 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7578
7579         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7580         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7581
7582 2005-08-02  Richard Henderson  <rth@redhat.com>
7583
7584         PR 23196
7585         * explow.c (memory_address): Remove special-case for
7586         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7587
7588 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7589
7590         PR 23164
7591         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7592         number of calls to cleanup_tree_cfg_1.
7593
7594 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7595
7596         * doc/invoke.texi: document file extensions .F90 and .F95
7597
7598 2005-08-02  Richard Guenther  <rguenther@suse.de>
7599
7600         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7601         positive if its first argument is positive.
7602
7603 2005-08-02  Richard Guenther  <rguenther@suse.de>
7604
7605         PR tree-optimization/23177
7606         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7607         on TMR_TAG.
7608
7609 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7610
7611         PR tree-optimization/23129
7612         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7613         varying for divisions with anti-ranges.
7614
7615 2005-08-02  Jan Hubicka  <jh@suse.cz>
7616
7617         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7618         * tree-ssa-threadupdate.c (thread_block): Add it here.
7619
7620 2005-08-01  James E Wilson  <wilson@specifix.com>
7621
7622         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7623         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7624         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7625         New.
7626         * config/mips/predicates.md (const_call_insn_operand): Add check for
7627         SYMBOL_REF_LONG_CALL_P.
7628         * doc/extend.texi (long_call): Document the new attribute.
7629
7630 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7631             Richard Henderson  <rth@redhat.com>
7632
7633         * Makefile.in (RTL_BASE_H): Add real.h.
7634         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7635         instead of memcpy.
7636         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7637         directly.
7638         * rtl.c (rtl_check_failed_code_mode): New.
7639         * rtl.h (struct rtx_def): Add u.rv.
7640         (XCMWINT, XCNMPRV): New.
7641         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7642         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7643
7644 2005-08-01  Richard Henderson  <rth@redhat.com>
7645
7646         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7647         with auto-inc codes.
7648
7649         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7650
7651 2005-08-01  Jan Hubicka  <jh@suse.cz>
7652
7653         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7654         * i386.c: Include dwarf2.h
7655         (asm_preferred_eh_data_format): New.
7656         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7657
7658 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7659
7660         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7661         randomize_va_space for virtual address randomization control.
7662
7663 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7664
7665         * common.opt (flag_ipa_cp): Put in right place to maintain
7666         alphabetic sort.
7667
7668 2005-08-01  Jan Hubicka  <jh@suse.cz>
7669
7670         * profile.c (compute_value_histograms): Fix thinko.
7671         * value-prof.c: Include toplev.h
7672         (check_counter): New function.
7673         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7674         tree_mod_subtract_transform): Add sanity check.
7675
7676 2005-08-01  Richard Guenther  <rguenther@suse.de>
7677
7678         PR tree-optimization/23133
7679         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7680         current functions parameter decls to find defs to cse
7681         reciprocals of.
7682
7683 2005-08-01  Richard Guenther  <rguenther@suse.de>
7684
7685         PR tree-optimization/23109
7686         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7687         If trapping math is in effect, use post-dominator information
7688         to check if we'd in any case reach a trapping point before
7689         doing the reciprocal insertion.
7690         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7691         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7692         expressions are invariant only if trapping math is not in effect.
7693
7694 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7695
7696         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7697         cgraph_function_versioning): New declarations.
7698         * cgraphunit.c: Add include to ipa-prop.h.
7699         (update_call_expr, cgraph_copy_node_for_versioning,
7700         cgraph_function_versioning): New functions.
7701         * integrate.c (copy_decl_for_inlining): Remove.
7702         * ipa-prop.h (ipa_replace_map): New struct.
7703         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7704         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7705         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7706         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7707         ipcp_iterate_stage, ipcp_method_scale_print,
7708         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7709         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7710         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7711         ipcp_update_bb_counts, ipcp_update_profiling,
7712         ipcp_update_edges_counts): New functions.
7713         (ipcp_method_cval_init): Remove restriction regarding local methods.
7714         (ipcp_init_stage): Add ipcp_method_compute_scale.
7715         (ipcp_insert_stage): Add versioning.
7716         (ipcp_structures_print): Add ipcp_method_scale_print.
7717         (ipcp_driver): Dump profiling info.
7718         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7719         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7720         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7721         (struct inline_data): Add versioning_p, ipa_info, new fields.
7722         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7723         declare_return_variable): Replace calls to copy_decl_for_inlining with
7724         copy_decl_for_dup.
7725         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7726         versioning support.
7727         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7728         Add argument VERSIONING.
7729         (copy_arguments_for_versioning, copy_static_chain,
7730         function_versionable_p, tree_versionable_function_p,
7731         tree_function_versioning, replace_ref_tree): New functions.
7732         * tree-inline.h: Include varray.h.
7733         (tree_versionable_function_p,  tree_function_versioning,
7734         tree copy_decl_for_dup): New declarations.
7735
7736 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7737
7738         * ipa-cp.c: New file. Contains IPCP specific functionality.
7739         * ipa-prop.h: New file. Contains structures/definitions that can be
7740         used by several interprocedural data flow optimizations (and also IPCP).
7741         * ipa-prop.c: New file.
7742         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7743         * common.opt: Add ipa-cp flag.
7744         * timevar.def: Add IPCP optimization.
7745         * tree-optimize.c (init_tree_optimization_passes): Schedule
7746         pass_ipa_cp.
7747         * tree-pass.h (pass_ipa_cp): Declare.
7748
7749 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7750
7751         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7752         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7753         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7754         config/i386/i386.c, config/mips/mips.h,
7755         config/rs6000/rs6000.h, config/sh/sh.c,
7756         config/stormy16/stormy16.c: Fix comment typos.
7757
7758 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7759
7760         PR c/22311
7761         * c-typeck.c (build_binary_op): Use common_type wrapper on
7762         shortened types.
7763         (common_type): Update comment.
7764
7765 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7766
7767         PR target/23095
7768         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7769         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7770         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7771
7772 2005-07-31  Jan Hubicka  <jh@suse.cz>
7773
7774         * pretty-print.h (pp_widest_integer): New macro.
7775         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7776         counts.
7777
7778 2005-07-31  Jan Hubicka  <jh@suse.cz>
7779
7780         * output.h (enum section_category): Export from varasm.c
7781         (categorize_decl_for_section): Likewise.
7782         * varasm.c (enum section_category): Kill.
7783         (categorize_decl_for_section): Make global.
7784         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7785         Declare.
7786         * i386.c (ix86_section_threshold): New static variable.
7787         (ix86_in_large_data_p, ix86_encode_section_info,
7788         x86_64_elf_unique_section,
7789         x86_64_elf_select_section): New functions.
7790         (TARGET_ENCODE_SECTION_INFO): Define
7791         (override_options): Enable medium model for PIC.
7792         (ix86_expand_prologue): Expand gen_set_got_rex64.
7793         (legitimate_constant_p): Handle new UNSPECs.
7794         (legitimate_pic_address_disp_p): Likewise.
7795         (legitimize_pic_address): Lower MEDIUM model addressing.
7796         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7797         (enum cmodel): Add MEDIUM_PIC.
7798         (SYMBOL_REF_FAR_ADDR_P): New macro.
7799         (SYMBOL_FLAG_FAR_ADDR): New flag.
7800         * i386.md (movdi): Support medium model.
7801         (set_got_rex64): New pattern.
7802         * i386.opt (mlarge-data-threshold): New flag.
7803         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7804         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7805         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7806         TARGET_ASM_UNIQUE_SECTION): New.
7807
7808         * invoke.texi (-mlarge_data_threshold): Document
7809
7810 2005-07-31  Jan Hubicka  <jh@suse.cz>
7811
7812         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7813         (coalesce_vars): Likewise.
7814         * tree-ssa-live.c (coalesce_cost): New.
7815         (build_tree_conflict_graph): Use coalesce_cost.
7816         * tree-ssa-live.h (coalesce_cost): Declare.
7817
7818 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7819
7820         * arm.md (all peepholes for post-increment operations): Delete.
7821         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7822         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7823         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7824         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7825         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7826
7827 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
7828
7829         * fold-const.c (tree_expr_nonnegative_p): Always return true for
7830         non-integral types.
7831
7832 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
7833
7834         PR target/22582
7835         * doc/invoke.texi: Document -rdynamic.
7836
7837 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
7838
7839         PR c/23143
7840         * c-parser.c (c_parser_parms_list_declarator): Call
7841         mark_forward_parm_decls.
7842         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7843         decls with visibility structure.
7844
7845 2005-07-30  Paul Brook  <paul@codesourcery.com>
7846
7847         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7848
7849 2005-07-30  Paul Brook  <paul@codesourcery.com>
7850
7851         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7852         prototype.
7853         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7854         value for mode.
7855         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7856
7857 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7858
7859         PR c/529
7860         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7861         nested function declarators.
7862         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7863         (grokparms): Call warn_if_shadowing for parameters used within the
7864         parameter list.
7865         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7866         not used within the parameter list.
7867         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7868
7869 2005-07-30  Jan Hubicka  <jh@suse.cz>
7870
7871         * expr.c (expand_expr_real_1): Do not load mem targets into register.
7872         * i386.c (ix86_fixup_binary_operands): Likewise.
7873         (ix86_expand_unary_operator): Likewise.
7874         (ix86_expand_fp_absneg_operator): Likewise.
7875         * optabs.c (expand_vec_cond_expr): Validate dest.
7876
7877 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7878
7879         PR c/21720
7880         * real.c (real_from_string): Also set last bit if there is a
7881         nonzero hex digit beyond GCC's internal precision after ".".
7882
7883 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
7884
7885         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7886         define_constants.  Change duplicate values to unassigned numbers.
7887         Change UNSPEC_SUBS to UNSPEC_VSUBS.
7888         (*altivec_vspltsf): New.
7889         (altivec_vperm_v4sf): Delete.
7890         (altivec_vperm_<mode>): Use mode macro V.
7891         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7892         (altivec_predicate_v4sf): Delete.
7893         (altivec_predicate_<mode>): Use mode macro V.
7894         (*altivec_lvesfx): New.
7895         (*altivec_stvesfx): New.
7896         (vec_realign_load_v4sf): Delete.
7897         (vec_realign_load_<mode>): Use mode macro V.
7898         * config/rs6000/rs6000.c (generate_set_vrsave): Use
7899         UNSPECV_SET_VRSAVE.
7900
7901 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
7902
7903         PR bootstrap/23131
7904         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7905         string.
7906         * configure: Regenerated.
7907
7908 2005-07-29  Paul Brook  <paul@codesourcery.com>
7909
7910         * doc/install.texi: Add link to GFortran binaries wiki page.
7911
7912 2005-07-29  David Ung  <davidu@mips.com>
7913
7914         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7915         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7916         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7917         * config/mips/mips.md (cpu): Add 5kf name.
7918         (includes): Includes 5k.md.
7919         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7920         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7921         -march flag.
7922
7923 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7924
7925         PR 22550
7926         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7927         (cleanup_tree_cfg): ... here.
7928         Call cleanup_tree_cfg_1 until there are no more cleanups to
7929         do.
7930
7931 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
7932
7933         * tree-vrp.c (compare_range_with_value): Return true or false
7934         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7935         EQ_EXPR respectively.
7936
7937 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
7938
7939         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7940         Fix comment typos.
7941
7942 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7943
7944         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7945         (tree_ssa_dominator_optimize): Increment it.
7946         (dump_dominator_optimization_stats): Print it.
7947
7948 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
7949             Steven Bosscher  <stevenb@suse.de>
7950
7951         PR rtl-optimization/23117
7952         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7953         when head == tail.  Tidy comment.
7954
7955 2005-07-28  Richard Henderson  <rth@redhat.com>
7956
7957         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7958         * cselib.c (rtx_equal_for_cselib_p): Likewise.
7959         * jump.c (rtx_renumbered_equal_p): Likewise.
7960         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7961         CONST_INT and CONST_DOUBLE.
7962         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7963         * reload.c (operands_match_p): Special case CONST_INT and
7964         CONST_DOUBLE; check mode earlier.
7965
7966 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7967
7968         PR c/22240
7969         * c-typeck.c (convert_for_assignment): Do not check
7970         DECL_IN_SYSTEM_HEADER on NULL fundecl.
7971
7972 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7973
7974         PR c/22192
7975         * c-typeck.c (composite_type): Prefer constant size arrays to
7976         VLAs.
7977
7978 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7979
7980         PR c/21720
7981         * real.c (real_from_string): Set last bit if there is a nonzero
7982         hex digit beyond GCC's internal precision.
7983
7984 2005-07-28  Richard Henderson  <rth@redhat.com>
7985
7986         PR rtl-opt/22619
7987         * cfgcleanup.c (try_forward_edges): Watch out for end of
7988         insn chain.
7989
7990 2005-07-28  James E Wilson  <wilson@specifixinc.com>
7991
7992         PR c/23106
7993         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7994
7995 2005-07-28  Jan Hubicka  <jh@suse.cz>
7996
7997         * Makefile.in (rtl-profile.o): Kill all traces of it.
7998         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7999         * coverage.h (rtl_coverage_counter_ref): Kill.
8000         * opts.c (flag_speculative_prefetching_set): Kill.
8001         (flag_loop_optimize_set): New.
8002         (common_handle_option): Disable loop optimizer when profiling;
8003         do not handle speculative prefetching.
8004         * passes.c (init_optimization_passes): Replace pass_profiling combo
8005         by branch_prob pass.
8006         * profile.c (compute_value_histograms): Update for simplified value
8007         profiles.
8008         (rtl_register_profile_hooks): Kill.
8009         (pass_profiling): Kill.
8010         (rest_of_handle_branch_prob): Do not profile.
8011         * toplev.c (process_options): Remove speculative prefetching.
8012         * toplev.h (flag_tree_based_profiling): Kill.
8013         * tree-profile.c (prepare_instrumented_value,
8014         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8015         tree_gen_one_value_profiler, do_tree_profiling): Update for
8016         simplified datastructures.
8017         * value-prof.c: Add comment that speculative prefetching was dropped;
8018         update rest of file for simplified datastructures.
8019         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8020         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8021         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8022         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8023         rtl_mod_subtract, gen_speculative_prefetch,
8024         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8025         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8026         (gate_handle_value_profile_transformations,
8027         rest_of_handle_value_profile_transformations,
8028         pass_value_profile_transformations): Kill.
8029         * value-prof.h (histogram_value_t): Remove IL based unions.
8030         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8031         rtl_profile_hooks): Remove hooks.
8032
8033         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8034
8035         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8036         (cgraph_clone_node): Likewise.
8037         * cgraph.h (cgraph_clone_edge): Update prototype.
8038         (cgraph_clone_node): Likewise.
8039         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8040         cgraph_clone_node.
8041         (lookup_recursive_calls): Consider profile.
8042         (cgraph_decide_recursive_inlining): Fix updating; use new
8043         probability argument; use profile.
8044         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8045         * tree-inline.c (copy_bb): Update clal of clone_edge.
8046         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8047
8048         * invoke.texi (min-inline-recursive-probability): Document.
8049
8050 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8051
8052         * doc/install.texi (Configuration): Update Valgrind homepage.
8053
8054 2005-07-28  Richard Henderson  <rth@redhat.com>
8055
8056         PR middle-end/21362
8057         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8058         labels we want to delete.
8059         (cfg_layout_merge_blocks): Likewise.
8060
8061 2005-07-28  Richard Henderson  <rth@redhat.com>
8062
8063         PR target/17692
8064         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8065         when expanding to nothing.
8066
8067 2005-07-28  Josh Conner  <jconner@apple.com>
8068
8069         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8070         (cgraph_decide_inlining_of_small_functions): Likewise.
8071
8072 2005-07-28  Josh Conner  <jconner@apple.com>
8073
8074         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8075         direction of badness if negative.
8076         (cgraph_default_inline_p): Add reason to parameters, and assign it
8077         a value.
8078         (cgraph_decide_inlining_of_small_functions): New parameter in call
8079         to cgraph_default_inline_p.
8080         (cgraph_decide_inlining_incrementally): Likewise.
8081         * cgraphunit.c (decide_is_function_needed): Likewise.
8082         * cgraph.h (cgraph_default_inline_p): Likewise.
8083
8084 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8085
8086         * builtins.c: Fix comment typo(s).
8087         * genautomata.c: Likewise.
8088         * gimplify.c: Likewise.
8089         * tree-dfa.c: Likewise.
8090         * tree-flow-inline.h: Likewise.
8091         * tree-into-ssa.c: Likewise.
8092         * tree-ssa-alias.c: Likewise.
8093         * tree-ssa-ccp.c: Likewise.
8094         * tree-ssa-copy.c: Likewise.
8095         * tree-ssa-dce.c: Likewise.
8096         * tree-ssa-dom.c: Likewise.
8097         * tree-ssa-operands.c: Likewise.
8098         * tree-tailcall.c: Likewise.
8099         * tree-vectorizer.c: Likewise.
8100         * tree-vrp.c: Likewise.
8101         * tree.c: Likewise.
8102
8103 2005-07-28  Jeff Law  <law@redhat.com>
8104
8105         * tree-vrp.c (test_for_singularity): Extracted from  ...
8106         (simplify_cond_using_ranges): Attempt to simplify a relational
8107         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8108
8109 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8110
8111         PR tree-optimization/22506
8112         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8113         phis whose argument is constant.
8114
8115 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8116
8117         PR rtl-optimization/18992
8118         Back out this patch:
8119           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8120           PR optimization/12142
8121           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8122           uses of the register in the SET_SRC.  Remove unnecessary argument.
8123
8124         Replace it with this:
8125         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8126         if flag_non_call_exceptions is set and the insn may trap, pass
8127         pc_rtx as dest for recursion.
8128         In SET_SRC part of SET case, if dest is already set, pass it down
8129         unchanged.
8130
8131 2005-07-28  Jan Hubicka  <jh@suse.cz>
8132
8133         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8134         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8135         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8136         roundoff errors.
8137         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8138         profile when available.
8139
8140 2005-07-28  Jan Beulich <jbeulich@novell.com>
8141
8142         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8143         (ia64_print_operand): Describe and handle 'X'.
8144         (ia64_register_move_cost): Also handle FP_REGS.
8145         (ia64_preferred_reload_class): Likewise.
8146         (ia64_secondary_reload_class): Likewise.
8147         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8148         it. Also check for ITANIUM_CLASS_FLDP.
8149         * config/ia64/ia64.h (FP_REGNO_P): New.
8150         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8151         (reg_class): Add FP_REGS.
8152         (REG_CLASS_NAMES): Adjust for it.
8153         (REG_CLASS_CONTENTS): Likewise.
8154         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8155         (REG_CLASS_FROM_LETTER): Handle 'x'.
8156         (CLASS_MAX_NREGS): Handle FP_REGS.
8157         (MEMORY_MOVE_COST): Likewise.
8158         * config/ia64/ia64.md (itanium_class): Add fldp.
8159         (type): Handle fldp.
8160         (movti_internal): More allowable operand combinations. Use ldfp8 when
8161         splitting unnecessary. Remove predicable attribute. Adjust
8162         itanium_class attribute.
8163         (smuldi3_highpart): Remove outdated comment.
8164         (mulditi3, umulditi3, rotlti3): New expanders.
8165         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8166         (absti2): Disabled new insn for future reference.
8167         Respective new splitters.
8168         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8169         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8170         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8171
8172 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8173
8174         PR rtl-optimization/23047
8175         * simplify-rtx.c (simplify_const_relational_operation): Respect
8176         flag_wrapv for comparisons with ABS.
8177
8178 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8179
8180         PR tree-optimization/22493
8181         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8182         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8183
8184 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8185
8186         * config/frv/frv.opt (moptimize-membar): New.
8187
8188         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8189
8190         * config/frv/frv.h: Remove machine_function definition.
8191
8192         * config/frv/frv.c (struct frv_io): New.
8193         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8194         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8195         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8196         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8197         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8198         (frv_reorg): Call frv_optimize_membar when appropriate.
8199         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8200         (frv_expand_builtin): Adjust calls accordingly.
8201         (frv_io_address_cookie): New function.
8202         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8203         load or store rather than a special insn.  Add ccnstant address and
8204         io-type operands to the membar.
8205         (frv_ifcvt_modify_tests): Unsign regno.
8206         (frv_ifcvt_modify_tests): Same.
8207
8208         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8209         UNSPEC_OPTIONAL_MEMBAR constant.
8210         (builtin_read_<mode>): Delete.
8211         (builtin_write_<mode>): Delete.
8212         ("optional_membar_<mode>"): Add operand.
8213
8214         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8215         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8216         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8217         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8218         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8219         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8220         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8221         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8222         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8223
8224 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8225
8226         * df.c (df_uses_record): Handle SCRATCH.
8227
8228 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8229
8230         PR debug/20161
8231         * passes.c (rest_of_decl_compilation): If decl is a type and
8232         we have encountered errors, don't emit debug information.
8233
8234 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8235
8236         * params.def: Fixed comment.
8237
8238 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8239
8240         PR target/19885
8241         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8242         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8243         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8244
8245 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8246
8247         PR c++/22003
8248         * varasm.c (assemble_start_function): Don't do anything that may
8249         require a CFG if the current function is a thunk.
8250
8251 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8252
8253         * doc/install.texi (Prerequisites): Mention that perl is needed
8254         to do export control in libstdc++ targetting Darwin.
8255
8256 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8257
8258         PR rtl-optimization/17808
8259         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8260         (sched_insns_conditions_mutex_p): Split out from...
8261         (add_dependence): ...here.  But don't call it from here.
8262         (add_dependence_list): Check sched_insns_conditions_mutex_p
8263         before calling add_dependence.
8264         (add_dependence_list_and_free): Likewise.
8265         (fixup_sched_groups): Likewise.
8266         (sched_analyze_1): Likewise.
8267         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8268         (sched_analyze): Likewise.
8269         (sched_analyze_insn): Likewise.
8270         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8271         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8272         dependencies on all COND_EXEC insns to jumps ending basic blocks
8273         when doing intrablock scheduling.
8274         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8275
8276 2005-07-27  Jeff Law  <law@redhat.com>
8277
8278         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8279         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8280         equivalency sets, correctly handle the case were vr0 has an
8281         equivalency set, but vr1 does not.
8282
8283 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8284
8285         PR tree-optimization/23073
8286         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8287         vect_print_dump_info before fprintf.
8288
8289 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8290
8291         PR tree-optimize/22348
8292         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8293         Fold the partial computation.
8294
8295 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8296
8297         PR tree-optimization/22325
8298         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8299         Declare.
8300         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8301         value replacement.
8302         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8303         (force_var_cost): ... this function.
8304         (compute_phi_arg_on_exit): Export.
8305
8306 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8307
8308         PR tree-optimization/20773
8309         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8310         edge.
8311
8312 2005-07-27  Richard Guenther  <rguenther@suse.de>
8313
8314         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8315         Avoid pushing again if current struct contains only
8316         fields we decomposed.
8317
8318 2005-07-27  Jan Hubicka  <jh@suse.cz>
8319
8320         PR tree-optimization/22574
8321         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8322         not available.
8323
8324         * tree-tailcall.c (decrease_profile): New function.
8325         (eliminate_tail_call): Use it.
8326
8327         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8328         visibility flags correctly in whole program mode.
8329
8330 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8331
8332         PR rtl-optimization/22472
8333         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8334
8335 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8336
8337         PR tree-optimization/22504
8338         * tree-complex.c (expand_complex_addition): Use 'code' instead
8339         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8340
8341 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8342
8343         * config.gcc (cpu_type): Add frv case.
8344         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8345         (supported_defaults): Add fr550 case.
8346
8347 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8348
8349         PR 22591
8350         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8351         whether a pointer of type T * may point to objects of type T *.
8352
8353 2005-07-26  DJ Delorie  <dj@redhat.com>
8354
8355         * configure: Regenerate.
8356
8357 2005-07-26  Dale Johannesen  <dalej@apple.com>
8358
8359         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8360
8361 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8362
8363         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8364         Clarify use of "build" in name.
8365
8366 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8367
8368         * doc/extend.texi (Raw read/write Functions): New section.
8369         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8370         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8371         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8372         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8373         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8374         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8375         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8376         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8377         * config/frv/frv.c: Add bdesc_loads global.
8378         Add bdesc_stores global.
8379         (frv_init_builtins): Add support for __builtin_{read/write}*.
8380         (frv_volatile_memref): New.
8381         (frv_expand_load_builtin): New.
8382         (frv_expand_store_builtin): New.
8383         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8384         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8385         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8386         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8387         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8388         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8389         (builtin_read_<mode>): New.
8390         (builtin_write_<mode>): New.
8391         (builtin_write64): New.
8392         (optional_membar_<mode>): New.
8393
8394 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8395
8396         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8397         (rather than units) against HOST_BITS_PER_WIDE_INT.
8398
8399 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8400
8401         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8402         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8403         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8404         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8405         FSF address.
8406
8407         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8408         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8409         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8410         comment typos.
8411         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8412
8413 2005-07-26  Richard Guenther  <rguenther@suse.de>
8414
8415         PR tree-optimization/22486
8416         * fold-const.c (fold_unary): Fold away useless component
8417         references of the form (T *)&T.x, if the address
8418         doesn't change.
8419
8420 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8421
8422         * dwarf2out.c (add_call_src_coords_attributes): New.
8423         (gen_inlined_subroutine_die): Call it.
8424         (maybe_emit_file, init_file_table): Add comments.
8425         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8426         maybe_emit_file.
8427         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8428         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8429         * tree.h (BLOCK_SOURCE_LOCATION): New.
8430         (struct tree_block): New field locus.
8431
8432 2005-07-26  Andreas Schwab  <schwab@suse.de>
8433
8434         PR rtl-optimization/23043
8435         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8436         when allocating a struct unoccr.
8437
8438 2005-07-25  Richard Henderson  <rth@redhat.com>
8439
8440         PR 22626
8441         * tree-complex.c (gate_no_optimization): True if errors.
8442         * Makefile.in (tree-complex.o): Update dependencies.
8443
8444 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8445
8446         * config/frv/predicates.md (integer_register_operand): Use
8447         GPR_AP_OR_PSEUDO_P.
8448
8449 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8450
8451         PR tree-opt/22484
8452         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8453         after fold.
8454         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8455
8456 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8457
8458         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8459         types when flag_unsafe_math_optimizations is true.
8460
8461 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8462
8463         * gcc.c (option_map): Add --sysroot.
8464         (process_command): Handle --sysroot.
8465         (display_help): Document it.
8466         * doc/cppopts.tex (-isysroot): Document.
8467         * doc/invoke.texi (--sysroot): Document.
8468         * doc/install.texi (--with-build-sysroot): Document.
8469
8470         * Makefile.in (inhibit_libc): New variable.
8471         (INHIBIT_LIBC_CFLAGS): Likewise.
8472         (LIBGCC2_CFLAGS): Include
8473         $(INHIBIT_LIBC_CFLAGS).
8474         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8475         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8476         ($(T)crtend.o): Likewise.
8477         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8478         ($(T)crtendS.o): Likewise.
8479         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8480         ($(T)crtendT.o): Likewise.
8481         (stmp-fixinc): Do not complain about missing headers if
8482         inhibit_libc.
8483         * configure.ac (inhibit_libc): Set it to true/false.
8484         (--with-build-sysroot): New option.  Use it to set
8485         SYSTEM_HEADER_DIR.
8486         * configure: Regenerated.
8487
8488 2005-07-25  Manfred Hollstein  <mh@suse.com>
8489
8490         * calls.c (store_one_arg): Fix unsigned comparison warning.
8491
8492 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8493
8494         PR other/22337
8495         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8496         (ggc_print_statistics): Initialize variable before use.
8497
8498 2005-07-25  Richard Guenther  <rguenther@suse.de>
8499
8500         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8501         calling with a PHI_NODE argument.
8502
8503         * tree-flow-inline.h (overlap_subvar): Protect against
8504         possible overflow.
8505
8506 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8507
8508         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8509         * configure: Regenerate.
8510
8511 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8512
8513         * expr.c (highest_pow2_factor): Make extern.
8514         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8515         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8516         record_array_differ_p, array_ptr_differ_p): Likewise.
8517         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8518         additional cases. Call the above functions.
8519         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8520         base_object_differ_p when there are two base objects. Otherwise, compare
8521         base address and offset. Call may_alias_p.
8522         (dump_data_reference): Use a correct field name.
8523         (analyze_array): Make static. Initialize new data-ref fields.
8524         (analyze_indirect_ref): New function.
8525         (init_data_ref): Initialize new data-ref fields.
8526         (strip_conversion): Moved from tree-vect-analyze.c.
8527         (analyze_offset_expr, get_ptr_offset, address_analysis,
8528         object_analysis): Likewise.
8529         (analyze_offset): New function.
8530         (create_data_ref): Likewise.
8531         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8532         dimensions for ARRAY_REFs only.
8533         (build_classic_dist_vector): Make static.
8534         (access_functions_are_affine_or_constant_p): Call macro to get the
8535         address of access functions.
8536         (compute_all_dependences): Add new parameter
8537         compute_self_and_read_read_dependences. Compute self and read-read
8538         dependences if it is true.
8539         (find_data_references_in_loop): Call create_data_ref. Initialize new
8540         data-ref fields.
8541         (compute_data_dependences_for_loop): Add new parameter
8542         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8543         compute nb_loops. Call compute_all_dependences,
8544         build_classic_dist_vector and build_classic_dir_vector with correct
8545         parameters.
8546         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8547         with correct parameters. Compare dimensions for ARRAY_REFs only.
8548         (free_data_refs): Call macro to free access functions.
8549         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8550         fields from stmt_vinfo.
8551         (struct base_object_info): New structure.
8552         (struct data_reference): Move fields to base_object_info. Add fields
8553         first_location and object_info for above structures. Move fields from
8554         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8555         aligned_to.  Add macros to access the new fields.
8556         Update functions declarations.
8557         * tree-flow.h (is_aliased_with): Declare.
8558         * tree-loop-linear.c (linear_transform_loops): Call
8559         compute_data_dependences_for_loop with correct parameters.
8560         * tree-ssa-alias.c (is_aliased_with): New function.
8561         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8562         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8563         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8564         vect_base_addr_differ_p, compute_subscript_distance and
8565         build_classic_dist_vector. Add printings. Check absolute value of
8566         distance.
8567         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8568         data-refs.
8569         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8570         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8571         to bytes. Add printing.
8572         (vect_compute_data_refs_alignment): Go through loads and stores in one
8573         loop.
8574         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8575         vect_analyze_data_ref_access): Likewise.
8576         (vect_analyze_pointer_ref_access): Remove.
8577         (vect_address_analysis, vect_object_analysis): Likewise.
8578         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8579         and analyze data-refs in the loop.
8580         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8581         fields of data-ref instead of stmt. Add init to the offset from the
8582         base.
8583         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8584         (vect_update_init_of_dr): Likewise.
8585         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8586         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8587         removed fields.
8588         (new_loop_vec_info): Initialize new fields.
8589         (destroy_loop_vec_info): Free new fields.
8590         (vect_strip_conversion): Remove.
8591         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8592         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8593         datarefs. Add new field ddrs.
8594         Add macros for the new fields access.
8595         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8596         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8597         Remove their macros.
8598         * tree.h (highest_pow2_factor): Declare.
8599
8600 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8601
8602         * calls.c (store_one_arg): Check for sibling call MEM arguments
8603         from already clobbered incoming argument area.
8604
8605 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8606
8607         * c-common.c (check_missing_format_attribute): New.
8608         * c-common.h (check_missing_format_attribute): Likewise.
8609         * c-typeck.c (convert_for_assignment): Use it.
8610
8611 2005-07-24  Andreas Schwab  <schwab@suse.de>
8612
8613         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8614         register use a word move.  Correct operand of ext.w in 68000 code.
8615
8616 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8617
8618         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8619         variables as declarations, rather than definitions.
8620
8621 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8622
8623         PR tree-optimization/22526
8624         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8625         of the zero node.
8626
8627 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8628
8629         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8630         that C99 reserve for future use. Use it to define clog10,
8631         clog10f and clog10l.
8632
8633 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8634
8635         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8636         * configure.ac: Check for -Wmissing-format-attribute.
8637
8638         * configure: Regenerate.
8639
8640 2005-07-23  Richard Henderson  <rth@redhat.com>
8641
8642         PR tree-optimization/22623
8643         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8644
8645 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8646
8647         PR target/22577
8648         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8649
8650 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8651
8652         * Makefile.in (C_TREE_H): Update dependencies.
8653         * c-tree.h: Include toplev.h.
8654         * diagnostic.h (diagnostic_set_info): Add format attribute.
8655         * rtl-error.c (diagnostic_for_asm): Likewise.
8656
8657 2005-07-23  Chao-ying Fu  <fu@mips.com>
8658
8659         * config/mips/mips-dsp.md: New file.
8660         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8661         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8662         functions.
8663         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8664         MIPS_BUILTIN_BPOSGE32.
8665         (mips_expand_builtin_direct): Add one parameter to indicate that
8666         builtin functions need to return a value.
8667         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8668         functions.
8669         (mips_regno_to_class): Add classes for 12 new DSP registers.
8670         (mips_subword): Change to check four HI registers.
8671         (mips_output_move): Output move to and from 6 new DSP accumulators.
8672         (override_options): Make sure -mdsp and -mips16 are not used together.
8673         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8674         for machine modes.
8675         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8676         when !TARGET_DSP.
8677         (print_operand): Add 'q' for printing DSP accumulators.
8678         (mips_cannot_change_mode_class): Check ACC_REGS.
8679         (mips_secondary_reload_class): Check ACC_REGS.
8680         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8681         (mips_register_move_cost): Check ACC_REGS.
8682         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8683         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8684         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8685         (dsp_bdesc): New array.
8686         (bdesc_arrays): Add DSP builtin function table.
8687         (mips_prepare_builtin_arg): Check predicate again after
8688         copy_to_mode_reg.
8689         (mips_expand_builtin): Add one more parameter to
8690         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8691         MIPS_BUILTIN_BPOSGE32.
8692         (mips_init_builtins): Initialize new function types.
8693         (mips_expand_builtin_direct): Check if builtin functions need to
8694         return a value and pass operands properly.
8695         (mips_expand_builtin_bposge): New function.
8696         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8697         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8698         (FIRST_PSEUDO_REGISTER): Increase to 188.
8699         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8700         Update for 12 new DSP registers.
8701         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8702         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8703         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8704         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8705         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8706         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8707         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8708         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8709         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8710         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8711         (REGISTER_NAMES): Add names for 12 new DSP registers.
8712         * config/mips/mips.md: Include mips-dsp.md.
8713         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8714         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8715         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8716         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8717         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8718         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8719         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8720         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8721         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8722         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8723         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8724         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8725         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8726         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8727         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8728         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8729         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8730         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8731         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8732         (UNSPEC_RDDSP): New constants.
8733         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8734         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8735         A<-d alternative.
8736         * config/mips/mips.opt (-mdsp): New option.
8737         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8738         (reg_imm10_operand): New predicates.
8739         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8740         * doc/invoke.texi (-mdsp): Document new option.
8741
8742 2005-07-22  DJ Delorie  <dj@redhat.com>
8743
8744         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8745         to warning calls.
8746         * tree-inline.c (inlinable_function_p): Likewise.
8747
8748 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8749
8750         PR debug/21828
8751         * toplev.c (check_global_declarations): Do not mark undefined
8752         variables as DECL_IGNORED_P.
8753         * varasm.c (first_global_object_name): GTY it.
8754         (weak_global_object_name): Likewise.
8755         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8756         a string to go into {weak,first}_global_object_name.
8757
8758 2005-07-22  DJ Delorie  <dj@redhat.com>
8759
8760         * c-format.c (check_function_format): Change warning control
8761         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8762
8763 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8764
8765         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8766         &PTR->FLD a dereference of PTR.
8767         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8768         a potential dereference of PTR.
8769
8770 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8771
8772         PR rtl-optimization/20370
8773         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8774         call allocate_reg_info if necessary.
8775
8776         PR rtl-optimization/21848
8777         * calls.c (emit_library_call_value_1): For const functions, add
8778         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8779
8780         PR rtl-optimization/22445
8781         * cselib.c (target.h): Include.
8782         (rtx_equal_for_cselib_p): Allow commutative matches.
8783         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8784         Remove MODE parameter.  Changed all callers.
8785
8786         PR rtl-optimization/22258
8787         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8788         New functions.
8789         (try_combine): Use likely_spilled_retval_p.
8790
8791 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8792
8793         * config.gcc: Add crx-elf support.
8794
8795         * doc/contrib.texi: Mention crx.
8796         * doc/extend.texi: Document crx extensions.
8797         * doc/install.texi: Document crx install.
8798         * doc/invoke.texi: Document crx options.
8799         * doc/md.texi: Document crx constraints.
8800
8801         * config/crx/crx-protos.h: New file.
8802         * config/crx/crx.c: New file.
8803         * config/crx/crx.h: New file.
8804         * config/crx/crx.md: New file.
8805         * config/crx/crx.opt: New file.
8806         * config/crx/t-crx: New file.
8807
8808 2005-07-22  Manfred Hollstein  <mh@suse.com>
8809
8810         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8811         warnings.
8812         (int_add_graph_edge): Likewise.
8813         (collapse_nodes): Likewise.
8814         (process_unification_queue): Likewise.
8815
8816 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8817             Laurent GUERBY  <laurent@guerby.net>
8818
8819         PR tree-optimization/22336
8820         * function.c (record_block_change): Check for
8821         cfun->ib_boundaries_block.
8822
8823 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
8824
8825         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8826         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8827
8828 2005-07-21  DJ Delorie  <dj@redhat.com>
8829
8830         * toplev.c (warn_deprecated_use): Add warning control to warning
8831         call.
8832         * c-typeck.c (parser_build_binary_op): Likewise.
8833         (c_finish_if_stmt): Likewise.
8834         * c-common.c (check_function_sentinel): Likewise.
8835         (check_nonnull_arg): Likewise.
8836
8837 2005-07-21  Richard Henderson  <rth@redhat.com>
8838
8839         PR tree-opt/22504
8840         * tree-complex.c (complex_ssa_name_components): New.
8841         (cvc_lookup): Allow entry not found.
8842         (create_components): Remove.
8843         (create_one_component_var, get_component_var): New.
8844         (get_component_ssa_name, set_component_ssa_name): New.
8845         (extract_component): Use get_component_ssa_name.
8846         (update_complex_components): Use set_component_ssa_name.
8847         (update_complex_components_on_edge): Likewise.
8848         (update_phi_components): Create new PHI nodes directly, instead
8849         of adding insns to edges.
8850         (tree_lower_complex): Allocate and free complex_variable_components
8851         and complex_ssa_name_components here.
8852
8853 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
8854
8855         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8856         revert to returning false.
8857
8858 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8859
8860         PR target/21149
8861         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8862
8863 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8864
8865         PR target/22576
8866         * config/i386/i386.md (cmpxf): Change operand constraints
8867         to "nonmemory_operand".
8868
8869 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8870
8871         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8872
8873 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8874
8875         PR middle-end/21180
8876         * fold-const.c (fold_build1): Add checksum for the operands.
8877         (fold_build2): Likewise.
8878         (fold_build3): Likewise.
8879
8880 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8881
8882         PR middle-end/19055
8883         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8884
8885 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8886
8887         * common.opt (-fforward-propagate): Committed by mistake,
8888         removed.
8889
8890 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8891
8892         * reg-stack.c: Fix comment typo(s).
8893         * tree-ssa-operands.c: Likewise.
8894         * tree-vectorizer: Likewise.
8895
8896 2005-07-21  Nick Clifton  <nickc@redhat.com>
8897
8898         * config/sh/symbian.c: Replace C++ style line comments with C
8899         style line comments.
8900         (symbian_add_attribute): Do not use a ? operator on the LHS of
8901         an assignment.
8902         (sh_symbian_handle_dll_attribute): Change the type of the
8903         method vector to "VEC(tree,gc)*" and use vector accessor
8904         macros to walk over the elements.
8905         (symbian_export_vtable_and_rtti_p): Likewise.
8906         (symbian_class_needs_attribute_p): Likewise.
8907
8908 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8909
8910         PR target/22085
8911         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8912         initialize targetm.resolve_overloaded_builtin here.
8913         (altivec_expand_overloaded_builtin): Make it non-static.
8914         * config/rs6000/rs6000-protos.h
8915         (altivec_expand_overloaded_builtin): New prototype.
8916         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8917         targetm.resolve_overloaded_builtin here.
8918         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8919
8920 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8921             Zdenek Dvorak  <dvorakz@suse.cz>
8922
8923         PR tree-optimization/19210
8924         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8925         New.
8926         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8927         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8928         rely on unproven assumptions.
8929         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8930         * tree-flow.h (number_of_iterations_exit): Add final parameter.
8931         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8932         to number_of_iterations_exit.
8933         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8934         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8935         * tree-ssa-loop-niter.c (find_loop_niter,
8936         estimate_numbers_of_iterations_loop): Likewise.
8937         (number_of_iterations_exit): Honor the new options.
8938         * doc/invoke.texi (Wunsafe-loop-optimizations,
8939         funsafe-loop-optimizations): Document them.
8940
8941 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
8942
8943         PR rtl-optimization/22167
8944         * gcse.c (hoist_code): Fix hoist_exprs[] check.
8945
8946 2005-07-20  Adam Nemet  <anemet@lnxw.com>
8947
8948         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8949         __do_global_dtors_aux longcall.
8950
8951 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
8952
8953         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8954         (old_special_pred_table): Don't reference
8955         SPECIAL_MODE_PREDICATES.
8956         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8957         * config/arc/arc.h: Don't mention PREDICATE_CODES.
8958         * config/sh/predicates.h: Don't mention
8959         SPECIAL_MODE_PREDICATES.
8960         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8961         Remove.
8962
8963 2005-07-20  DJ Delorie  <dj@redhat.com>
8964
8965         * config.gcc: Add m32c-elf support.
8966
8967         * doc/contrib.texi: Mention m32c.
8968         * doc/extend.texi: Document m32c extensions.
8969         * doc/install.texi: Mention m32c.
8970         * doc/invoke.texi: Document m32c options.
8971         * doc/md.texi: Document m32c constraints.
8972
8973         * config/m32c/addsub.md: New file.
8974         * config/m32c/bitops.md: New file.
8975         * config/m32c/cond.md: New file.
8976         * config/m32c/jump.md: New file.
8977         * config/m32c/m32c-lib1.S: New file.
8978         * config/m32c/m32c-lib2.c: New file.
8979         * config/m32c/m32c-modes.def: New file.
8980         * config/m32c/m32c-pragma.c: New file.
8981         * config/m32c/m32c-protos.h: New file.
8982         * config/m32c/m32c.abi: New file.
8983         * config/m32c/m32c.c: New file.
8984         * config/m32c/m32c.h: New file.
8985         * config/m32c/m32c.md: New file.
8986         * config/m32c/m32c.opt: New file.
8987         * config/m32c/minmax.md: New file.
8988         * config/m32c/mov.md: New file.
8989         * config/m32c/muldiv.md: New file.
8990         * config/m32c/predicates.md: New file.
8991         * config/m32c/prologue.md: New file.
8992         * config/m32c/shift.md: New file.
8993         * config/m32c/t-m32c: New file.
8994
8995 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8996
8997         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8998         (stack_protect_set, stack_protect_test): New expanders.
8999         (stack_protect_set_si, stack_protect_set_si_media,
9000         stack_protect_set_di_media, stack_protect_test_si,
9001         stack_protect_test_si_media, stack_protect_test_di_media):
9002         New insns.
9003
9004 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9005
9006         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9007
9008 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9009
9010         * tree.h (tree_expr_nonzero_p): Export.
9011         * fold-const.c (tree_expr_nonzero_p): Likewise.
9012         Return true for CALL_EXPRs that are alloca calls.
9013         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9014         against zero.
9015         * tree-flow.h (expr_computes_nonzero): Remove.
9016         * tree-vrp.c (expr_computes_nonzero): Remove.
9017         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9018         (extract_range_from_unary_expr): Likewise.
9019         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9020         tree_expr_nonzero_p.
9021
9022 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9023
9024         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9025         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9026         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9027         All callers changed.
9028         (frame_related_constant_load): New arg "related" which controls
9029         setting of RTX_FRAME_RELATED_P.  All callers changed.
9030         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9031         (bfin_expand_prologue): Add stack limit checking.
9032         * config/bfin/bfin.md (trapifcc): New pattern.
9033
9034         * config/bfin/bfin.c: Include "langhooks.h".
9035         (def_builtin): Go through lang_hooks to call builtin_function.
9036
9037         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9038         * config/bfin/predicates.md (symbol_ref_operand): New.
9039         (call_insn_operand): Delete.  All callers changed to use
9040         register_no_elim_operand.
9041         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9042         call_cookie field.
9043         (function_arg): Use it to generate the call's operand 2.
9044         (bfin_longcall_p): New function.
9045         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9046         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9047         determine if the address needs to be in a REG.
9048         (bfin_handle_longcall_attribute): New function.
9049         (bfin_attribute_table): Add "longcall" and "shortcall".
9050         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9051         (CUMULATIVE_ARGS): New member call_cookie.
9052         (PREDICATE_CODES): Add symbol_ref_operand.
9053         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9054         extra USE to the pattern.
9055         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9056         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9057         sibcall_value_insn; now the new patterns handle direct calls and the
9058         old ones indirect calls.
9059         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9060
9061 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9062
9063         * doc/trouble.texi: Update section on handling of empty loops.
9064
9065 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9066
9067         * config.gcc: Remove support for sparc-*-openbsd*,
9068         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9069         ns32k-*-netbsd*.
9070         * config.host: Remove support for i860-*-sysv4* as a host.
9071         * config/i860/*, config/ip2k/*, config/ns32k/*,
9072         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9073         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9074         mention obsolete ports.
9075
9076 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9077
9078         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9079         soft frame pointer.
9080         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9081         of frame_pointer_rtx.
9082         (sh_expand_epilogue): Likewise.
9083         (sh_set_return_address): Likewise.
9084         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9085         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9086         offsets from FRAME_POINTER_REGNUM.
9087         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9088         (sh_register_names): Add initializer for sfp.
9089         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9090         (VALID_REGISTER_P): Likewise.
9091         (FIRST_PSEUDO_REGISTER): Update.
9092         (DWARF_FRAME_REGISTERS): Define.
9093         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9094         (HARD_FRAME_POINTER_REGNUM): Define.
9095         (FRAME_POINTER_REGNUM): Redefine.
9096         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9097         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9098         from FRAME_POINTER_REGNUM.
9099         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9100         FRAME_POINTER_REGNUM.
9101         (REG_CLASS_CONTENTS): Add sfp.
9102         (REG_ALLOC_ORDER): Likewise.
9103         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9104         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9105         of frame_pointer_rtx.
9106         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9107
9108 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9109
9110         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9111         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9112         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9113         of an ABS_EXPR.
9114         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9115         ABS_EXPR<x>.
9116
9117 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9118
9119         Make CONSTRUCTOR use VEC to store initializers.
9120         * c-common.c (complete_array_type): Update to cope with VEC in
9121         CONSTRUCTOR_ELTS.
9122         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9123         (pp_c_constructor_elts): New function.
9124         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9125         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9126         struct constructor_stack, struct initializer_stack,
9127         constructor_elements, push_init_level, pop_init_level,
9128         add_pending_init, find_init_member, output_init_element): Update to
9129         cope with VEC in CONSTRUCTOR_ELTS.
9130         * coverage.c (build_fn_info_value, build_ctr_info_value,
9131         build_gcov_info): Likewise.
9132         * expr.c (categorize_ctor_elements_1, store_constructor,
9133         expand_expr_real_1): Likewise.
9134         * fold-const.c (fold_ternary): Likewise.
9135         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9136         gimplify_init_constructor, gimplify_expr): Likewise.
9137         * tree-dump.c (dequeue_and_dump): Likewise.
9138         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9139         node.
9140         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9141         CONSTRUCTOR_ELTS.
9142         * tree-sra.c (generate_element_init_1): Likewise.
9143         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9144         * tree-ssa-operands.c (get_expr_operands): Likewise.
9145         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9146         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9147         (get_initial_def_for_reduction): Likewise.
9148         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9149         value handle in annotations.
9150         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9151         tree_node_structure): Add support for constr_kind.
9152         (build_vector_from_ctor, build_constructor_single,
9153         build_constructor_from_list): New functions.
9154         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9155         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9156         Update to cope with VEC in CONSTRUCTOR_ELTS.
9157         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9158         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9159         CONSTRUCTOR_APPEND_ELT): New macros.
9160         (struct constructor_elt, struct tree_constructor): New data types.
9161         (union tree_node): Add tree_constructor field.
9162         * treestruct.def: Define TS_CONSTRUCTOR.
9163         * varasm.c (const_hash_1, compare_constant, copy_constant,
9164         compute_reloc_for_constant, output_addressed_constants,
9165         initializer_constant_valid_p, output_constant,
9166         array_size_for_constructor, output_constructor): Update to cope with
9167         VEC in CONSTRUCTOR_ELTS.
9168         * vec.h (VEC_empty, VEC_copy): New macros.
9169
9170 2005-07-19  Devang Patel  <dpatel@apple.com>
9171
9172         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9173
9174 2005-07-19  Richard Henderson  <rth@redhat.com>
9175
9176         PR tree-opt/22278
9177         * gimplify.c (gimplify_expr): Use main variant type for the temp
9178         destination for a discarded volatile read.
9179         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9180         casts between non-void types that change volatility.
9181
9182 2005-07-15  DJ Delorie  <dj@redhat.com>
9183
9184         * toplev.h: Add comment about the first parameter for warning().
9185         * errors.h: Likewise.
9186
9187         * c.opt (Wpragmas): New.
9188         * doc/invoke.texi: Document it.
9189
9190         * function.c (do_warn_unused_parameter): Add warning control to
9191         warning call.
9192         * c-decl.c (warn_if_shadowing): Likewise.
9193         * c-lex.c (cb_def_pragma): Likewise.
9194         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9195         (pop_alignment): Likewise.
9196         (handle_pragma_pack): Likewise.
9197         (apply_pragma_weak): Likewise.
9198         (handle_pragma_weak): Likewise.
9199         (handle_pragma_redefine_extname): Likewise.
9200         (add_to_renaming_pragma_list): Likewise.
9201         (handle_pragma_extern_prefix): Likewise.
9202         (maybe_apply_renaming_pragma): Likewise.
9203         (handle_pragma_visibility): Likewise.
9204
9205         * config/c4x/c4x-c.c (BAD): Likewise.
9206         (c4x_parse_pragma): Likewise.
9207         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9208         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9209         (rs6000_pragma_longcall): Likewise.
9210         * config/v850/v850-c.c (pop_data_area): Likewise.
9211         (ghs_pragma_section): Likewise.
9212         (ghs_pragma_section): Likewise.
9213         (ghs_pragma_interrupt): Likewise.
9214         (ghs_pragma_starttda): Likewise.
9215         (ghs_pragma_startsda): Likewise.
9216         (ghs_pragma_startzda): Likewise.
9217         (ghs_pragma_endtda): Likewise.
9218         (ghs_pragma_endsda): Likewise.
9219         (ghs_pragma_endzda): Likewise.
9220
9221 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9222             Kenneth Zadeck <zadeck@naturalbridge.com>
9223
9224         * Makefile.in: Removed tree-promote-statics.c
9225         * tree-promote-statics.c: Removed.
9226         * common.opt: Removed flag-promote-statics.
9227         * opts.c: Ditto.
9228         * passes.c: Removed tree-promote-statics pass.
9229         * tree-pass.h: Ditto.
9230         * timevar.def: Removed TV_PROMOTE_STATICS.
9231
9232
9233 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9234
9235         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9236         and *-*-freebsd9.
9237         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9238
9239 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9240
9241         PR c/22476
9242         * c-common.c (check_function_arguments): Call
9243         'check_function_format' if either -Wformat or
9244         -Wmissing-format-attribute are specified.
9245         * c-format.c (check_function_format): Check -Wformat before
9246         calling 'check_format_info'.
9247         * c-opts.c (c_common_post_options): Don't warn for
9248         -Wmissing-format-attribute without -Wformat.
9249         * c-typeck.c (convert_for_assignment): Detect additional cases for
9250         -Wmissing-format-attribute.
9251         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9252         behavior.
9253
9254 2005-07-19  Richard Guenther  <rguenther@suse.de>
9255
9256         * config/i386/i386.md (lrint<mode>2): Use temporary
9257         instead of clobbering non-existent memory.
9258
9259 2005-07-19  Nick Clifton  <nickc@redhat.com>
9260
9261         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9262         statement to avoid displaying ASCII control characters.
9263
9264 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9265
9266         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9267         * cfganal.c (find_edge_index): Ditto.
9268         * combine.c (combine_instructions): Ditto.
9269         * ddg.c (create_scc): Ditto.
9270         (find_successors): Ditto.
9271         (find_predecessors): Ditto.
9272         (find_nodes_on_paths): Ditto.
9273         (longest_simple_path): Ditto.
9274         * flow.c (update_life_info): Ditto.
9275         (count_or_remove_death_notes): Ditto.
9276         (clear_log_links): Ditto.
9277         * modulo-sched.c (generate_reg_moves): Ditto.
9278         (find_max_asap): Ditto.
9279         (find_max_hv_min_mob): Ditto.
9280         (find_max_dv_min_mob): Ditto.
9281         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9282         * sched-rgn.c (extract_edgelst): Ditto.
9283         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9284         (dump_update_ssa): Ditto.
9285         (ssa_names_to_replace) Ditto.
9286         (switch_virtuals_to_full_rewrite): Ditto.
9287         (update_ssa): Ditto.
9288         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9289
9290 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9291
9292         Fix PR tree-optimization/22483
9293
9294         * tree-complex.c (create_components): Use
9295         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9296         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9297         * tree-flow.h (safe_referenced_var_iterator): New structure.
9298         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9299         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9300         safe_referenced_var iterator.
9301         (add_type_alias): Ditto.
9302
9303 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9304
9305         * loop-init.c (rest_of_handle_loop2): Remove.
9306         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9307         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9308         (pass_rtl_loop_init, pass_rtl_loop_done,
9309         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9310         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9311         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9312         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9313         pass_tree_loop_done, and pass_tree_unswitch.
9314         (gate_loop): Rename to gate_tree_loop.
9315         * passes.c (init_optimization_passes): Update for renamed tree
9316         loop passes.  Add the new loop2 passes as subpasses of loop2.
9317         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9318         Update for the renamed tree loop passes.
9319
9320 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9321
9322         PR middle-end/22057
9323         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9324         blocks when optimizing.
9325
9326 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9327
9328         * common.opt (frename-registers): Initialize to 2.
9329         (fweb): Ditto.
9330         (fgcse-after-reload): Ditto.
9331         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9332         (process_options): Only change flag_web, flag_rename_registers,
9333         and flag_rerun_cse_after_loop if not explicitly set by user.
9334
9335 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9336
9337         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9338         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9339         in 64-bit mode the same as DImode in 32-bit mode.
9340         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9341         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9342         mode. Add new mode parameter.
9343         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9344         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9345         x86_64_shift_adj): New expanders.
9346         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9347         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9348         insns.
9349         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9350         DImode shift splitters.
9351         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9352         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9353         mode parameter.
9354
9355 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9356
9357         * i386.md (movdi_extzv_1): New.
9358         (zero_extendhidi2): Combine alternatives and never force use of
9359         REX64 prefix.
9360         (zero_extendqidi2): Likewise. Don't restrict input selection.
9361
9362 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9363
9364         Fix PR tree-optimization/22531
9365         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9366          moment.
9367
9368 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9369
9370         * tree-promote-statics.c (pass_promote_statics): Change dump file
9371          name.
9372
9373 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9374
9375         * tree-optimize.c (init_tree_optimization_passes): Add
9376         pass_eliminate_useless_stores pass.
9377         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9378         * tree-ssa-pre.c (is_copy_stmt): New function.
9379         (follow_copies_till_vuse): Ditto.
9380         (do_eustores): Ditto.
9381         (gate_eustores): Ditto.
9382
9383 2005-07-16  Richard Henderson  <rth@redhat.com>
9384
9385         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9386
9387 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9388            Kenneth Zadeck <zadeck@naturalbridge.com>
9389
9390         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9391         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9392         ipa-type-escape.h, tree-promote-statics.c
9393         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9394         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9395         tree-promote-statics.c: new files.
9396         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9397         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9398         int nonlocal_set_p, mark_constant_function): Deleted.
9399         (rest_of_handle_cfg): Removed call to mark_constant_function.
9400         (nonoverlapping_component_refs_p): Added calls to support
9401         type based aliasing.
9402         * tree-ssa-alias.c (may_alias_p,
9403         compute_flow_insensitive_aliasing): Ditto.
9404         * calls.c (flags_from_decl_or_type): Removed reference to
9405         cgraph_rtl_info.
9406         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9407         too many arguments.  This is necessary for Spec 2000.
9408         * cgraph.h (const_function, pure_function): Removed.
9409         * common.opt: Added "fipa-pure-const", "fipa-reference",
9410         "fipa-type-escape", and "ftree-promote-static".
9411         * opts.c: Ditto.
9412         * passes.c: Added ipa and tree-promote-statics passes.
9413         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9414         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9415         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9416         * tree-flow.h: Added exposed sra calls and addition of
9417         reference_vars_info field for FUNCTION_DECLS.
9418         * tree-pass.h: Added passes.
9419         * tree-sra.c: (sra_init_cache): New function.
9420         (sra_insert_before, sra_insert_after) Made public.
9421         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9422         and made public.
9423         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9424         aliasing. (may_alias_p): Added code to use type escape analysis to
9425         improve alias sets.
9426         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9427         code to prune clobbers of static variables based on information
9428         produced in ipa-reference pass.  Changed call clobbering so that
9429         statics are not marked as clobbered if the call does not clobber
9430         them.
9431
9432 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9433
9434         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9435         too.
9436
9437 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9438
9439         * doc/install.texi (*-*-solaris2*): Document recommended version
9440         of GNU binutils and mention GNU linker problem on Solaris 10.
9441
9442 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9443
9444         PR c/22421
9445         * c-decl.c (c_build_bitfield_integer_type): New function.
9446         (finish_struct): Call it.
9447         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9448
9449 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9450
9451         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9452         before returning.
9453
9454 2005-07-16  Jan Hubicka  <jh@suse.cz>
9455
9456         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9457         (scale_bbs_frequencies_int): Watch roundoff errors.
9458         * predict.c (return_prediction): Initialize return_stmt.
9459
9460 2005-07-16  Jan Hubicka  <jh@suse.cz>
9461
9462         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9463         after RTL profiling.
9464
9465 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9466
9467         PR middle-end/22398
9468         * fold-const.c (build_range_check): Convert high/low to etype
9469         if we are only comparing against exp.
9470
9471 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9472
9473         Fix PR tree-optimization/22376
9474         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9475         special var here.
9476         (need_to_solve): New function.
9477         (compute_points_to_sets): Use it.
9478
9479 2005-07-15  Jan Hubicka  <jh@suse.cz>
9480
9481         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9482         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9483
9484 2005-07-15  Richard Guenther  <rguenther@suse.de>
9485
9486         * c-common.c (handle_flatten_attribute): New function.
9487         Add flatten function attribute.
9488         * doc/extend.texi: Document flatten function attribute.
9489         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9490         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9491         New functions.
9492         (cgraph_decide_inlining): Handle functions with flatten
9493         attribute.
9494
9495 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9496
9497         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9498         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9499         UNSPEC_XCHG, UNSPEC_AND): New.
9500         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9501         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9502         * config/rs6000/sync.md (FETCHOP): New code macro.
9503         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9504         New code attrs.
9505         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9506         (sync_compare_and_swap<mode>): Same.
9507         (sync_lock_test_and_set<mode>): Same.
9508         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9509         for QImode and HImode, and not PPC405.
9510         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9511         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9512         (sync_<fetchop>{si,di}_internal): New.
9513         (sync_nand{si,di}_internal): New.
9514         (sync_old_<fetchop>{si,di}_internal): New.
9515         (sync_old_nand{si,di}_internal): New
9516         (sync_new_<fetchop>{si,di}_internal): New.
9517         (sync_new_nand{si,di}_internal): New.
9518         (atomic_and{si,di}): New.
9519         (sync_new_nand{si,di}_internal): New.
9520         (atomic_and{si,di}): New.
9521         (sync_add<mode>_internal): Delete.
9522         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9523         (sync_sub<mode>_internal): Delte.
9524         (sync_subshort_internal): New.
9525         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9526         (sync_anddi_internal): Delete.
9527         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9528         (sync_booldi_internal): Delete.
9529         (sync_boolc<mode>_internal): Delete.
9530         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9531         (sync_boolc<mode>_internal2): Delete.
9532         (sync_boolcc<mode>_internal): Delete.
9533         (isync, lwsync): Use unspec instead of unspec_volatile.
9534         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9535         Revert UNSPEC_VOLATILE.
9536         (rs6000_split_atomic_op): New.
9537         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9538
9539 2005-07-14  Eric Christopher  <echristo@redhat.com>
9540
9541         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9542         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9543
9544 2005-07-14  Eric Christopher  <echristo@redhat.com>
9545
9546         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9547
9548 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9549
9550         PR tree-optimization/22230
9551         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9552         the computation of the four cross productions for "range op range".
9553
9554 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9555             Ulrich Weigand  <uweigand@de.ibm.com>
9556
9557         PR target/20126
9558         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9559         in some insn.
9560
9561 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9562
9563         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9564
9565 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9566
9567         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9568
9569 2005-07-14  Richard Guenther  <rguenther@suse.de>
9570
9571         PR middle-end/22347
9572         * config/i386/i386-protos.h (ix86_function_value): Change
9573         prototype to match new target hook.
9574         * config/i386/i386.c (ix86_value_regno): Change prototype
9575         to take extra type argument.
9576         (TARGET_FUNCTION_VALUE): Define.
9577         (ix86_function_ok_for_sibcall): Pass extra argument to
9578         ix86_value_regno, check return slot rtx for exact match.
9579         (ix86_function_value): Take extra parameter.  Dispatch to
9580         ix86_value_regno with fndecl/fntype as provided.
9581         (ix86_value_regno): Handle extra type argument.
9582         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9583
9584         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9585         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9586         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9587         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9588         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9589
9590 2005-07-14  Richard Guenther  <rguenther@suse.de>
9591
9592         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9593         * calls.c (expand_call): Pass fntype to hard_function_value.
9594         (emit_library_call_value_1): Likewise.
9595         * explow.c: Include target.h.
9596         (hard_function_value): Take extra argument, the fntype.
9597         Use new target hook for function_value.
9598         * expr.h (hard_function_value): Change prototype.
9599         * function.c (aggregate_value_p): Pass 0 as fntype to
9600         hard_function_value.
9601         (assign_parms): Use new target hook for function_value.
9602         Pass 0 as fntype to hard_function_value.
9603         (expand_function_end): Likewise.
9604         * reg-stack.c: Include target.h.
9605         (stack_result): Use new target hook for function_value.
9606         * target-def.h: New target hook function_value.
9607         * target.h: Likewise.
9608         * targhooks.c (default_function_value): New function.
9609         * targhooks.h (default_function_value): Declare.
9610
9611 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9612
9613         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9614
9615 2005-07-14  Jan Hubicka  <jh@suse.cz>
9616
9617         * tree-dfa.c (dump_variable): Use default_def function.
9618         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9619         * tree-ssa.c (verify_use): Likewise.
9620         * tree-ssanames.c (release_ssa_name): Likewise.
9621         * tree-tailcall.c (eliminate_tail_call): Likewise.
9622         (tree_optimize_tail_calls_1): Likewise.
9623         * tree-vrp.c (get_value_range): Likewise.
9624
9625 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9626
9627         * gcc.c (main): Compare language[0] with '*' when iterating over
9628         the infiles.
9629
9630 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9631
9632         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9633         "s390_emit_compare".  Add handling of CCZ1mode.
9634         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9635         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9636         checking.
9637         (s390_branch_condition_mask): Add CCZ1mode handling.
9638         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9639         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9640         Use CCZ1mode instead of CCZmode.
9641         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9642
9643 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9644
9645         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9646         pattern.
9647         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9648
9649 2005-07-13  Eric Christopher  <echristo@redhat.com>
9650
9651         * config/mips/mips.c (mips_canonicalize_comparison): New.
9652         (mips_emit_int_relational): Use.
9653
9654 2005-07-13  Eric Christopher  <echristo@redhat.com>
9655
9656         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9657         static extra parts.
9658         * config/s390/s390.md: Include tpf.md. Move tpf specific
9659         patterns...
9660         * config/s390/tpf.md: To here.
9661         * config/s390/s390.opt: Move tpf specific options...
9662         * config/s390/tpf.opt: to here. Add mmain option.
9663         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9664         * config/s390/tpf.h: Rewrite.
9665
9666 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9667
9668         * doc/tm.texi: Remove @xref{Cross-profiling}.
9669
9670 2005-07-13  Jeff Law  <law@redhat.com>
9671
9672         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9673         expressions, test their _DECL operands for pointer equality rather
9674         than using operand_equal_p.
9675
9676 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9677
9678         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9679         (TARGET_POSIX_IO): This.
9680         * config/darwin.h: Likewise.
9681         * config/freebsd.h: Likewise.
9682         * config/linux.h: Likewise.
9683         * config/lynx.h: Likewise.
9684         * config/netbsd.h: Likewise.
9685         * config/rs6000/linux64.h: Likewise.
9686         * config/rs6000/linux.h: Likewise.
9687         * config/s390/tpf.h: Likewise.
9688         * config/sh/embed-elf.h: Likewise.
9689         * config/sparc/linux64.h: Likewise.
9690         * config/sparc/linux.h: Likewise.
9691         * config/svr4.h: Likewise.
9692         * gcov-io.h: Likewise.
9693
9694         * doc/tm.texi: Updated.
9695
9696         * libgcov.c (create_file_directory): Defined only if
9697         TARGET_POSIX_IO is defined.
9698         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9699         is defined.
9700
9701 2005-07-13  Jan Hubicka  <jh@suse.cz>
9702
9703         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9704
9705 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9706
9707         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9708         structure as argument.
9709
9710 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9711
9712         PR tree-optimization/21921
9713         * tree-iterator.c (tsi_link_before): Support the case when
9714         tsi_end_p (tsi) == true.
9715
9716 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9717
9718         PR tree-optimization/22442
9719         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9720         correctly.
9721
9722 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9723
9724         PR rtl-optimization/20376
9725         * toplev.c (process_options): Enable -fweb and -frename-registers when
9726         unrolling.
9727         * doc/invoke.texi: Update the information about when -fweb and
9728         -frename-registers are enabled.
9729
9730 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9731
9732         PR tree-opt/21840
9733         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9734         if *rhs_p is not a SSA_NAME.
9735
9736 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9737
9738         Fix PR tree-optimization/22422
9739         * tree-ssa-structalias.c (struct variable_info): Add flag for
9740         special vars.
9741         (get_varinfo): Now a static function.
9742         (new_varinfo): init has_union and is_special_var to false.
9743         (solution_set_add): Check has_union.
9744         (do_da_constraint): Move temporary variable so it gets reset
9745         properly.
9746         Also check for special variable.
9747         (do_ds_constraint): Ditto.
9748         (do_sd_constraint): Ditto.
9749         (do_structure_copy): Check for special variable.
9750         (find_func_aliases): Ditto.
9751         (init_base_vars): Set special vars properly.
9752
9753 2005-07-13  Jan Hubicka  <jh@suse.cz>
9754
9755         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9756         do unit-at-a-time.
9757
9758         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9759         (get_expr_operands): Fix thinko wrt flags and subvars.
9760
9761         PR tree-optimize/22379
9762         * tree-inline.c (expand_call_inline): Do not output sorry in early
9763         inlining.
9764
9765 2005-07-12  Dale Johannesen  <dalej@apple.com>
9766
9767         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9768
9769 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9770
9771         PR bootstrap/21704
9772         * host-linux.h: Include limits.h.
9773
9774 2005-07-12  Dale Johannesen  <dalej@apple.com>
9775
9776         * expr.c (compress_float_constant):  Add cost check.
9777         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9778
9779 2005-07-12  Dale Johannesen  <dalej@apple.com>
9780
9781         * gcc.target/i386/compress-float-sse.c:  New.
9782         * gcc.target/i386/compress-float-sse-pic.c:  New.
9783         * gcc.target/i386/compress-float-387.c:  New.
9784         * gcc.target/i386/compress-float-387-pic.c:  New.
9785         * gcc.dg/compress-float-ppc.c:  New.
9786         * gcc.dg/compress-float-ppc-pic.c:  New.
9787
9788 2005-07-12  Eric Christopher  <echristo@redhat.com>
9789
9790         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9791         static extra parts.
9792         * config/s390/s390.md: Include tpf.md. Move tpf specific
9793         patterns...
9794         * config/s390/tpf.md: To here.
9795         * config/s390/s390.opt: Move tpf specific options...
9796         * config/s390/tpf.opt: to here. Add mmain option.
9797         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9798         * config/s390/tpf.h: Rewrite.
9799
9800 2005-07-12  Eric Christopher  <echristo@redhat.com>
9801
9802         * gcc.c (struct infile): Update comment for language.
9803         (main): Rewrite input file resetting code.
9804
9805 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9806
9807         PR tree-opt/22335
9808         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9809         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9810         (lookup_avail_expr): Use constant_boolean_node instead
9811         of boolean_false_node/boolean_true_node.
9812
9813 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9814
9815         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9816         and use it when printing num_edges.
9817
9818 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9819
9820         * doc/extend.texi (Blackfin Built-in Functions): New section.
9821         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9822         @opindex.
9823
9824 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
9825
9826         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9827         s/cmpstrsi/cmpstrnsi
9828         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9829         'cmpstrnsi'.
9830         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9831         (init_optabs): Initialize cmpstrn_optab.
9832         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9833         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9834         * expr.c: (enum insn_code cmpstrn_optab): Declare.
9835         * config/i386/i386.md: s/cmpstr/cmpstrn
9836         * config/c4x/c4x.md: s/cmpstr/cmpstrn
9837         * doc/md.texi: Update documentation.
9838
9839 2005-07-11  Richard Henderson  <rth@redhat.com>
9840
9841         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9842         build_va_arg_indirect_ref.
9843         (alpha_gimplify_va_arg): Likewise.
9844         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9845         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9846         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9847         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9848         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9849         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9850         Likewise.
9851         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9852
9853 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9854
9855         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9856         * passes.c (init_optimization_passes): Add pass_empty_loop.
9857         * tree-pass.h (pass_empty_loop): Declare.
9858         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9859         try_remove_empty_loop, remove_empty_loops): New functions.
9860         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9861         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9862
9863 2005-07-12  Peter Barada  <peter@the-baradas.com>
9864
9865         PR middle-end/16719
9866         PR middle-end/18421
9867         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9868         in address registers.
9869         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9870         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9871         alternative of addsi3_5200.
9872
9873 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9874
9875         * config/mips/mips.md (ffs<mode>2): Remove.
9876
9877 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9878
9879         * doc/tree-ssa.texi (Cleanups): Improve description of
9880         TRY_FINALLY_EXPR.
9881         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9882
9883 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9884
9885         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9886         * tree.h (DECL_ARGUMENT_FLD): New macro.
9887
9888 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9889
9890         Fix PR tree-optimization/22404
9891
9892         * tree-ssa-structalias.c (create_variable_info_for): Use
9893         correct offset.
9894
9895 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9896
9897         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9898         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9899         for second comparison operand.
9900         * config/bfin/predicates.md (reg_or_const_int_operand): New.
9901
9902         * config/bfin/bfin.md (define_attr "type"): Add "sync".
9903         (define_insn_reservation "alu"): Likewise.
9904         (csync, ssync): Now of type sync.
9905         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9906         -mcsync-anomaly -mspecld-anomaly.
9907         * config/bfin/bfin.opt (mcsync): Remove.
9908         (mcsync-anomaly, mspecld-anomaly): Add.
9909         * config/bfin/bfin.c: Include "insn-codes.h".
9910         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9911         (TARGET_DEFAULT_TARGET_FLAGS): New.
9912         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9913
9914 2005-07-11  Steven Bosscher  <stevenb@suse.de>
9915
9916         * basic-block.h: Give the BB flags enum a name, bb_flags.
9917         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9918         * cfgcleanup.c (enum bb_flags): Remove here.
9919         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9920         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9921         (update_forwarder_flag): Likewise.
9922         (thread_jump): Likewise.
9923         (try_forward_edges): Likewise.
9924         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
9925         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
9926         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9927
9928 2005-07-11  Richard Guenther  <rguenther@suse.de>
9929
9930         * config/i386/i386.opt: New target option -msseregparm.
9931         * config/i386/i386.c (override_options): Error out for
9932         -msseregparm but no SSE support.
9933         (ix86_function_sseregparm): Check for global sseregparm.
9934         * doc/invoke.texi: Document -msseregparm.
9935
9936 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9937
9938         * config.gcc (m32r-*-linux*): Use the default extra_parts.
9939         (m32rle-*-linux*): Ditto.
9940
9941 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
9942
9943         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9944         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9945         bytes.
9946
9947 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9948
9949         PR middle-end/22239
9950         PR target/20126
9951         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9952         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9953
9954 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
9955
9956         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9957         (varmap): Heapify varmap.
9958         (constraints): Heapify constraints.
9959         (struct constraint_graph): Heapify succs and preds.
9960         (constraint_vec_find): Update for heapification.
9961         (constraint_set_union): Ditto.
9962         (insert_into_complex): Ditto.
9963         (constraint_edge_vec_find): Ditto.
9964         (erase_graph_self_edge): Ditto.
9965         (add_graph_edge): Ditto.
9966         (get_graph_weights): Ditto.
9967         (merge_graph_nodes): Ditto.
9968         (build_constraint_graph): Ditto.
9969         (topo_visit): Ditto.
9970         (solve_graph): Ditto.
9971         (create_variable_info_for): Ditto.
9972         (init_base_vars): Ditto.
9973         (delete_points_to_sets): Free graph, varmap, and complex constraints.
9974         (condese_varmap_nodes): Free complex vector.
9975         (clear_edges_for_node): Clear succs and preds vector.
9976
9977 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
9978
9979         * tree-ssa-structalias.c (update_alias_info): Change counting of
9980         references to not include vdefs.
9981
9982 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
9983
9984         * tree-ssa-alias.c (free_used_part_map): Add missing free.
9985         (up_insert): Ditto.
9986
9987 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9988
9989         * pa.c (pa_commutative_p): Make PLUS commutative when
9990         TARGET_NO_SPACE_REGS is true.
9991
9992 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
9993
9994         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9995         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9996         * tree-dfa.c (dump_subvars_for): New.
9997         (debug_subvars_for): New.
9998         (dump_variable): Show subvariables if VAR has them.
9999         * tree-flow-inline.h (get_subvar_at): New.
10000         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10001         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10002         Update all users.
10003         (struct subvar): Change fields offset and size to unsigned
10004         HOST_WIDE_INT.
10005         (dump_subvars_for): Declare.
10006         (debug_subvars_for): Declare.
10007         (get_subvar_at): Declare.
10008         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10009         to unsigned HOST_WIDE_INT *.
10010         (overlap_subvar): Likewise.
10011         * tree-gimple.c (is_gimple_reg): Always return false for
10012         SFTs and memory tags.
10013         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10014         Update all callers.
10015         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10016         (compute_may_aliases): Call compute_points_to_sets.
10017         (collect_points_to_info_for): Remove.
10018         (compute_points_to_and_addr_escape): Remove.
10019         (delete_alias_info): Call delete_points_to_sets.
10020         (compute_flow_sensitive_aliasing): If the call to
10021         find_what_p_points_to returns false, call set_pt_anything.
10022         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10023         (set_pt_anything): Clear pi->pt_vars.
10024         (set_pt_malloc): Remove.
10025         (merge_pointed_to_info): Remove.
10026         (add_pointed_to_expr): Remove.
10027         (add_pointed_to_var): Remove.
10028         (collect_points_to_info_r): Remove.
10029         (is_escape_site): Make extern.
10030         (create_sft): New.
10031         (create_overlap_variables_for): Call it.
10032         * tree-ssa-copy.c (merge_alias_info): Never merge
10033         flow-sensitive alias information.
10034         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10035         offset and size to be unsigned HOST_WIDE_INT.
10036         (add_to_addressable_set): Rename from note_addressable.
10037         Set TREE_ADDRESSABLE as the variables are added to the set.
10038         Update all users.
10039         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10040         operands into VUSEs when adding V_MAY_DEFs for members in an
10041         alias set.
10042         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10043         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10044         (struct variable_info): Add bitfield is_heap_var.
10045         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10046         (new_var_info): Initialize is_heap_var.
10047         (get_constraint_for): Add HEAP variables to the symbol table.
10048         Mark them with is_heap_var.
10049         (update_alias_info): New.  Taken mostly from the old
10050         compute_points_to_and_addr_escape.
10051         (handle_ptr_arith): New.
10052         (find_func_aliases): Call update_alias_info.
10053         Call handle_ptr_info for tcc_binary expressions.
10054         Call mark_stmt_modified.
10055         (create_variable_info_for): If DECL has subvars, do not create
10056         variables for its subvars.  Always add all the fields.
10057         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10058         SFTs, then add all the SFTs of the structure.
10059         If VI->DECL is an aggregate with subvariables, add the SFT at
10060         VI->OFFSET.
10061         (find_what_p_points_to): If VI is an artificial variable,
10062         translate to bitfields in SSA_NAME_PTR_INFO.
10063         If the solution is empty, set pi->pt_vars to NULL
10064         (init_base_vars): Create ANYOFFSET.
10065         (compute_points_to_sets): Rename from create_alias_vars.
10066         Make extern.
10067         (pass_build_pta): Remove.
10068         (delete_points_to_sets): Rename from delete_alias_vars.
10069         (pass_del_pta): Remove.
10070         * tree-ssa-structalias.h (struct alias_info): Move from
10071         tree-ssa-alias.h.
10072         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10073         NUM_REFERENCES_SET): Likewise.
10074         (compute_points_to_sets, delete_points_to_sets): Declare.
10075
10076 2005-07-09  Richard Henderson  <rth@redhat.com>
10077
10078         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10079         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10080         alpha_split_lock_test_and_set_12): New functions.
10081         * config/alpha/alpha-protos.h: Update.
10082         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10083         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10084         * config/alpha/sync.md (I12MODE): New.
10085         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10086         (sync_<fetchop_name><I48MODE>): Likewise.
10087         (sync_nand<I48MODE>): Likewise.
10088         (sync_old_<fetchop_name><I48MODE>): Likewise.
10089         (sync_new_<fetchop_name><I48MODE>): Likewise.
10090         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10091         (sync_compare_and_swap<I48MODE>): Likewise.
10092         (sync_lock_test_and_set<I48MODE>): Likewise.
10093         (sync_compare_and_swap<I12MODE>): New.
10094         (sync_compare_and_swap<I12MODE>_1): New.
10095         (sync_lock_test_and_set<I12MODE>): New.
10096         (sync_lock_test_and_set<I12MODE>_1): New.
10097
10098 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10099
10100         PR 21356
10101         PR 22332
10102         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10103
10104 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10105
10106         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10107         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10108
10109 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10110
10111         PR target/21656
10112         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10113
10114 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10115
10116         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10117         memory_operand constraint.
10118         (store_conditional_<mode>): Same.
10119         (sync_compare_and_swap<mode>): Same.
10120         (sync_lock_test_and_set<mode>): Same.
10121
10122 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10123
10124         Rewrite PIC support to more closely model actual instructions.
10125         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10126         (cris_symbol): Remove prototypes for removed functions.
10127         (cris_pic_symbol_type_of, cris_valid_pic_const)
10128         (cris_expand_pic_call_address): Prototypes for new functions.
10129         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10130         variable.
10131         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10132         modifiers.
10133         <case ':'>: Add case for new punctuation character.
10134         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10135         emitting (extra) PIC modifier.
10136         <case UNSPEC>: Do not assert for PLT.
10137         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10138         (cris_expand_prologue, cris_expand_epilogue): Check
10139         for pic_offset_table_rtx usage instead of taking
10140         current_function_uses_pic_offset_table as the final word.
10141         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10142         Remove flag_pic difference.
10143         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10144         the moral equivalents of...
10145         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10146         functions.
10147         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10148         (cris_handle_option): Mark ARG as unused.
10149         (cris_expand_pic_call_address): New worker function for "call",
10150         "call_value".
10151         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10152         output PIC constructs here.
10153         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10154         as symbol-specific modifers, not whole or part of operands.
10155         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10156         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10157         constants and flag_pic.
10158         (CONSTANT_INDEX_P): Adjust for new functions.
10159         (enum cris_pic_symbol_type): New helper type.
10160         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10161         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10162         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10163         define_constants.
10164         ("movsi"): Emit actual instructions for GOT and relative access.
10165         ("*movsi_got_load"): New pattern to set up the register holding
10166         the GOT pointer.
10167         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10168         Adjust FIXME for 'S'.
10169         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10170         Use "movs" for -fpic cases.
10171         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10172         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10173         ("call", "call_value"): Just call cris_expand_pic_call_address for
10174         PIC addresses.
10175         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10176         Remove special pattern.
10177         ("*expanded_call_side", "*expanded_call_value_side"): New
10178         patterns.
10179         (gotplt-to-plt, gotplt-to-plt-side-call)
10180         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10181         peephole2:s.
10182         * config/cris/cris/predicates.md
10183         ("cris_general_operand_or_gotless_symbol"): Remove unused
10184         predicate.
10185         ("cris_general_operand_or_symbol"): Adjust for new functions.
10186
10187 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10188
10189         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10190
10191 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10192
10193         * Makefile.in (TREE_H): Add treestruct.def.
10194         (c-decl.o): Add pointer-set.h
10195         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10196         visibility on regular DECL's.
10197         (merge_decls): Fix the copying of decl nodes of various types for
10198         the new structures.  Don't update RTL, section name, weak status,
10199         etc, on DECL's without RTL.
10200         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10201         Don't check volatile on non-variable types.
10202         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10203         to check whether we have seen arguments.
10204         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10205         flag is checked before field (flag is common, field is not).
10206         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10207         TS_DECL_COMMON could have an origin.
10208         (add_location_or_const_value_attribute): Don't check section name
10209         on non-var/function decls.
10210         (dwarf2out_var_location): Reverse order of tests.
10211         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10212         with DECL_WRTL_CHECK.
10213         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10214         * fold-const.c (fold_binary): Don't check weakness on
10215         non-var/function decls.
10216         (tree_expr_nonzero_p): Ditto.
10217         (fold_checksum_tree): Use tree_decl_extra as sizeof
10218         buffer.
10219         * ggc-page.c (extra_order_size_table): Add sizes for
10220         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10221         tree_field_decl.
10222         * gimplify.c (gimplify_bind_expr): Only set
10223         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10224         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10225         without RTL.
10226         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10227         * langhooks.h (init_ts). New langhook.
10228         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10229         * print-tree.c (print_node): Update to only print fields that
10230         exist in the structures the passed decl has.
10231         * toplev.c (wrapup_global_declarations): Don't reset
10232         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10233         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10234         * tree-inline.c (remap_decl): Ditto.
10235         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10236         * tree-pretty-print.c (print_declaration): Don't print
10237         DECL_REGISTER on things that don't contain it.
10238         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10239         non-var/function decls.
10240         * tree.c (tree_contains_struct): New structure.
10241         (init_priority_for_decl): New hashtable.
10242         (tree_int_map): New structure.
10243         (tree_int_map_eq): New function.
10244         (tree_int_map_marked_p): Ditto.
10245         (tree_int_map_hash): Ditto.
10246         (tree_map): Move to tree.h.
10247         (tree_map_eq): Externalize.
10248         (tree_map_hash): Ditto.
10249         (tree_map_marked_p): Ditto.
10250         (init_ttree): Set up tree_contains_struct and call langhook.
10251         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10252         (tree_code_size): Update for new structures.
10253         (tree_node_structure): Update for new structures.
10254         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10255         without the field.
10256         (copy_node_stat):  Copy init priority.
10257         (build_decl_stat): Ditto for visibility.
10258         (ts_enum_names): New.
10259         (tree_contains_struct_check_failed): New function.
10260         (decl_init_priority_lookup): Ditto.
10261         (decl_init_priority_insert): Ditto.
10262         * treestruct.def: New file.
10263         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10264         (CONTAINS_STRUCT_CHECK): Ditto.
10265         (tree_contains_struct_check_failed): New prototype.
10266         (DECL_CHECK): Removed.
10267         (DECL_MINIMAL_CHECK): New.
10268         (DECL_COMMON_CHECK): Ditto.
10269         (DECL_WRTL_CHECK): Ditto.
10270         (DECL_NON_COMMON_CHECK): Ditto.
10271         (DECL_WITH_VIS_CHECK): Ditto.
10272         (VAR_OR_FUNCTION_DECL_P): Ditto
10273         (struct tree_decl_minimal): New structure.
10274         (struct tree_decl_common): Ditto.
10275         (struct tree_decl_with_rtl): Ditto.
10276         (struct tree_decl_with_vis): Ditto.
10277         (struct tree_decl_non_common): Ditto.
10278         (struct tree_field_decl): Ditto.
10279         (struct tree_parm_decl): Ditto.
10280         (struct tree_var_decl): Ditto.
10281         (struct tree_function_decl): Ditto.
10282         (struct tree_const_decl): Ditto.
10283         (struct tree_result_decl): Ditto.
10284         (union tree_node): Add new structures.
10285         * var-tracking.c (track_expr_p): Reverse order of tests.
10286
10287         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10288
10289 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10290
10291         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10292         * system.h: Poison FINALIZE_PIC.
10293         * doc/tm.texi (FINALIZE_PIC): Remove.
10294
10295 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10296
10297         PR tree-opt/22329
10298         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10299         to the correct type if we have a MODIFY_EXPR.
10300
10301 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10302
10303         PR tree-optimization/22360
10304         * tree.c (upper_bound_in_type): Fix calculations for casting
10305         to a non-wider signed type and casting a signed value to a
10306         wider unsigned type.
10307         (lower_bound_in_type): Fix calculations for casting to a
10308         non-wider signed type.
10309
10310         PR tree-optimization/20139
10311         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10312         release_defs.
10313         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10314         fold_cond_expr_cond.
10315         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10316         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10317
10318 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10319
10320         PR tree-opt/22356
10321         * tree-complex.c (expand_complex_libcall): Produce
10322         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10323
10324 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10325
10326         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10327         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10328         b" assert and inserted fastpath code for this case.
10329         (bitmap_ior): Removed "a != b" assert.
10330
10331 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10332
10333         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10334         (ENDFILE_SPEC): Likewise.
10335         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10336
10337         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10338         a large stack frame at epilogue.
10339
10340 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10341
10342         * final.c: Include sdbout.h when required.
10343
10344 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10345
10346         * config.gcc (*-*-darwin*): Only one target-specific header file
10347         for generic darwin.
10348         (powerpc-*-darwin*): Add version-specific header files.
10349         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10350         * config.in: Regenerate.
10351         * configure: Regenerate.
10352         * gcc.c: Include xregex.h.
10353         (version_compare_spec_function): New.
10354         (spec_function): Add version-compare.
10355         (replace_outfile_spec_function): Reformat comment.
10356         (compare_version_strings): New.
10357         * config/darwin-c.c (version_as_macro): New.
10358         (builtin_define): New.
10359         (darwin_cpp_builtins): New.
10360         * config/darwin-protos.h (darwin_cpp_builtins): New.
10361         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10362         (LIB_SPEC): Make unconditional, update comment.
10363         (TARGET_C99_FUNCTIONS): Define.
10364         * config/darwin.opt: Sort.
10365         (mmacosx-version-min=): New.
10366         * config/darwin7.h: Delete.
10367         * config/darwin8.h: Delete.
10368         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10369         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10370         (TARGET_C99_FUNCTIONS): Define.
10371         * config/rs6000/darwin7.h: New.
10372         * config/rs6000/darwin8.h: New.
10373         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10374         (-mmacosx-version-min): Document.
10375
10376 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10377
10378         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10379
10380 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10381
10382         PR middle-end/22239
10383         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10384
10385 2005-07-07  Khem Raj  <kraj@mvista.com>
10386
10387         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10388         in bytes, not words.
10389
10390 2005-07-07  Paul Brook  <paul@codesourcery.com>
10391
10392         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10393         DEFAULT_FUNCTION_ARG_PADDING to upward.
10394
10395 2005-07-07  Richard Henderson  <rth@redhat.com>
10396
10397         * function.c (locate_and_pad_parm): Record parameter alignment in
10398         stack_alignment_needed.
10399
10400 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10401
10402         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10403         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10404         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10405         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10406         (define_attr "type"): Add isync, sync, load_l, store_c.
10407         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10408         Create scratch volatile MEM.
10409         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10410         sync.
10411         (load_locked_<mode>): New.
10412         (store_conditional_<mode>): New.
10413         (sync_compare_and_swap<mode>): Replace with splitter.
10414         (sync_lock_test_and_set<mode>): Replace with splitter.
10415         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10416         and UNSPECV_ISYNC.
10417         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10418         is ics.  Attribute isync.
10419         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10420         lwsync.
10421         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10422         and UNSPECV_SYNC_OP.
10423         (emit_unlikely_jump): New.
10424         (emit_load_locked): New.
10425         (emit_store_conditional): New.
10426         (rs6000_split_compare_and_swap): New.
10427         (rs6000_split_lock_test_and_set): New.
10428         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10429         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10430         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10431         rs6000_split_lock_test_and_set): Declare.
10432         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10433         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10434         store_c, isync, sync.
10435
10436 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10437
10438         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10439         filenames to gtyp-gen.h.
10440         (s-typ-gen): Use it in place of for loops.
10441
10442 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10443
10444         * hooks.c (hook_bool_rtx_int_false): New function.
10445         * hooks.h (hook_bool_rtx_int_false): Declare.
10446         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10447         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10448         * target.h (struct gcc_target): Add commutative_p member.
10449         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10450         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10451         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10452         (pa_commutative_p): New function.
10453         * jump.c (target.h): Include.
10454         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10455         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10456
10457 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10458
10459         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10460         (s390_expand_setmem): New.
10461         * config/s390/s390.c: Likewise.
10462         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10463         Adapt comments.
10464         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10465         general_operand.  Call new function "s390_expand_setmem".
10466         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10467         ("setmem_long", "*setmem_long"): ... this.
10468
10469 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10470
10471         * config/s390/s390.c: (optimization_options): Enable
10472         TARGET_MVCLE at -Os.
10473         * doc/invoke.texi: Document changes in default behaviour.
10474         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10475
10476 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10477
10478         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10479         defined by back-end.
10480
10481 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10482
10483         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10484         all sets in the pattern.
10485         * config/rs6000/rs6000.md (stack_protect_testsi,
10486         stack_protect_testdi): Likewise.
10487
10488 2005-07-06  Jeff Law  <law@redhat.com>
10489
10490         * tree-vrp.c (simplify_using_ranges): Kill.
10491         (vrp_finalize): Remove call to simplify_using_ranges.
10492         (simplify_stmt_using_ranges): New function extracted from
10493         simplify_using_ranges.
10494         (simplify_div_or_mod_using_ranges): Likewise.
10495         (simplify_abs_using_ranges): Likewise.
10496         (simplify_cond_using_ranges): New function.
10497         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10498         * tree-ssa-propagate.c (substitute_and_fold): Call
10499         simplify_stmt_using_ranges if we have range information.
10500
10501 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10502
10503         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10504         ia64_flag_schedule_isns2.
10505
10506         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10507         reading/writing general registers.
10508         (ia64_function_arg): Revert 2005-06-18 change.
10509
10510 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10511
10512         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10513         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10514
10515 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10516
10517         * function.c (expand_function_end): Revert part of 2005-06-27
10518         patch.  Do sjlj_emit_function_exit_after after return_label.
10519
10520 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10521
10522         * doc/install.texi (--disable-libssp): New.
10523
10524 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10525
10526         * doc/invoke.texi: Update -fforce-mem documentation.
10527         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10528         code for -fforce-mem.
10529         * expmed.c: (store_bit_field,store_fixed_bit_field,
10530         extract_bit_field): Ditto.
10531         * expr.c: (convert_move): Ditto.
10532         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10533         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10534         emit_conditional_add,expand_float,expand_fix): Ditto.
10535         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10536         (common_handle_option): Issue warning when -fforce-mem specified.
10537
10538 2005-07-06  Paul Brook  <paul@codesourcery.com>
10539
10540         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10541         argument is empty.
10542         * configure: Regenerate.
10543
10544 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10545
10546         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10547
10548 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10549
10550         Fix PR tree-optimization/22319
10551         Fix PR tree-optimization/22140
10552         Fix PR tree-optimization/22310
10553
10554         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10555         variable sized types.
10556         Use correct type for intermediate structure on *a = *b structure
10557         copies.
10558
10559 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10560
10561         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10562         Remove.
10563         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10564         (machine_function): Move typedef to...
10565         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10566         varargs_save_offset field.
10567         (rs6000_stack_t): Remove varargs_size field.
10568         (setup_incoming_varargs): Allocate varargs save area using
10569         assign_stack_local, try to make it as small as possible.
10570         Save offset from virtual_stack_vars_rtx to the save area
10571         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10572         instead of magic 8 when fp word byte size is used.
10573         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10574         instead of -RS6000_VARARGS_SIZE.
10575         (rs6000_stack_info, debug_stack_info,
10576         rs6000_initial_elimination_offset): Remove all traces of
10577         varargs_size.
10578         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10579         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10580         RS6000_VARARGS_AREA.
10581
10582 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10583
10584         PR tree-optimization/21963
10585         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10586         constant_multiple_of in the same way get_computation_cost_at does.
10587
10588 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10589
10590         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10591         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10592         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10593         and return its previous value.
10594         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10595         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10596         constants.
10597         (stack_protect_set, stack_protect_test): New expanders.
10598         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10599         stack_protect_testdi): New insns.
10600         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10601         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10602
10603 2005-07-06  Jeff Law  <law@redhat.com>
10604
10605         * tree-ssa-dce.c (cfg_altered): New global.
10606         (tree_dce_init): Initialize cfg_altered.
10607         (remove_dead_stmt): If we remove an edge in the CFG, then set
10608         CFG_ALTERED.
10609         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10610         the dominators.
10611
10612 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10613
10614         * Makefile.in (stamp-collect-ld): Use
10615         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10616         ./collect-ld if it already exists.
10617         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10618         Don't remove ./nm if it already exists.
10619
10620 2005-07-05  Devang Patel  <dpatel@apple.com>
10621
10622         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10623         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10624         * tree-vectorizer.c (vect_loop_location): New.
10625         (vect_print_dump_info): Use vect_loop_location.
10626         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10627         (vectorize_loops): Set vect_loop_location.
10628         * tree-vect-analyze.c (vect_analyze_offset_expr,
10629         vect_determin_vectorization_factor, vect_analyze_operations,
10630         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10631         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10632         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10633         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10634         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10635         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10636         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10637         vect_analyze_loop): Adjust vect_print_dump_info API.
10638         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10639         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10640         vect_finish_stmt_generation, vectorizable_assignment,
10641         vectorizable_operation, vectorizable_store, vectorizable_load,
10642         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10643         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10644         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10645         vect_transform_loop): Same.
10646         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10647         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10648         Same.
10649
10650 2005-07-05  Randolph Chung  <tausq@debian.org>
10651
10652         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10653         * configure: Regenerate.
10654         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10655         (pa_tls_referenced_p): Declare.
10656         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10657         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10658         (legitimize_tls_address): New.
10659         (hppa_legitimize_address): Handle TLS addresses.
10660         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10661         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10662         (emit_move_sequence): Handle TLS addresses.
10663         (pa_encode_section_info): Call default handler to handle common
10664         sections.
10665         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10666         (CONSTANT_ADDRESS_P): Reject TLS operands.
10667         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10668         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10669         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10670         (UNSPEC_TLSLE): Define new constants.
10671         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10672         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10673         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10674         (tie_symbolic_operand, tle_symbolic_operand): New
10675
10676 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10677
10678         * aclocal.m4: Update macros for autoconf 2.59 style.
10679         * configure.ac: Likewise.
10680
10681 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10682
10683         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10684         (function_arg): Pass small aggregates in general registers on 32-bit
10685         targets.
10686         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10687
10688 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10689
10690         * Makefile.in (final.o): Fix dependencies.
10691
10692 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10693
10694         PR c/22013
10695         PR c/22098
10696         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10697         * langhooks.c (lhd_expr_to_decl): New.
10698         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10699         New.
10700         (LANG_HOOKS_INITIALIZER): Update.
10701         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10702         expr_to_decl langhook.
10703         * c-tree.h (c_expr_to_decl): Declare.
10704         * c-typeck.c (c_expr_to_decl): New.
10705         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10706         specially.
10707         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10708
10709 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10710
10711         PR c/22308
10712         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10713         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10714
10715 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10716
10717         * Makefile.in: Adjust dependencies.
10718         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10719         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10720         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10721         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10722         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10723         rest_of_compilation.
10724
10725         * bb-reorder.c (gate_duplicate_computed_gotos,
10726         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10727         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10728         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10729         pass_partition_blocks): New.
10730         * bt-load.c (gate_handle_branch_target_load_optimize,
10731         rest_of_handle_branch_target_load_optimize,
10732         pass_branch_target_load_optimize): New.
10733         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10734         pass_jump2): New.
10735         * cfglayout.c (pass_insn_locators_initialize): New.
10736         * cfgrtl.c (pass_free_cfg): New.
10737         * combine.c (gate_handle_combine, rest_of_handle_combine,
10738         pass_combine): New.
10739         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10740         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10741         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10742         * except.c (pass_set_nothrow_function_flags,
10743         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10744         pass_rtl_eh): New.
10745         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10746         rest_of_handle_shorten_branches, pass_shorten_branches,
10747         rest_of_clean_state, pass_clean_state): New.
10748         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10749         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10750         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10751         pass_flow2): New.
10752         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10753         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10754         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10755         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10756         pass_gcse): New.
10757         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10758         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10759         pass_rtl_ifcvt, gate_handle_if_after_combine,
10760         rest_of_handle_if_after_combine, pass_if_after_combine,
10761         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10762         pass_if_after_reload): New.
10763         * integrate.c (pass_initial_value_sets): New.
10764         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10765         pass_purge_lineno_notes): New.
10766         * mode-switching.c (rest_of_handle_mode_switching,
10767         pass_mode_switching): New.
10768         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10769         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10770         pass_loop2): New.
10771         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10772         pass_loop_optimize): New.
10773         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10774         pass_sms): New.
10775         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10776         pass_gcse2): New.
10777         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10778         pass_postreload_cse): New.
10779         * profile.c (gate_handle_profiling, pass_profiling,
10780         rest_of_handle_branch_prob, pass_branch_prob): New.
10781         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10782         pass_split_before_regstack, gate_handle_split_before_regstack,
10783         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10784         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10785         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10786         pass_stack_regs): New.
10787         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10788         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10789         pass_stack_adjustments): New.
10790         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10791         pass_regrename): New.
10792         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10793         pass_delay_slots, gate_handle_machine_reorg,
10794         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10795         * rtl.h (extern void purge_line_number_notes): New.
10796         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10797         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10798         pass_sched2): New.
10799         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10800         pass_tracer): New.
10801         * value-prof.c (gate_handle_value_profile_transformations,
10802         rest_of_handle_value_profile_transformations,
10803         pass_value_profile_transformations): New.
10804         * var-tracking.c (gate_handle_var_tracking,
10805         pass_variable_tracking): New.
10806         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10807
10808         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10809         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10810         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10811         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10812         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10813         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10814         rest_of_handle_gcse2, rest_of_handle_regmove,
10815         rest_of_handle_tracer, rest_of_handle_if_conversion,
10816         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10817         rest_of_handle_web, rest_of_handle_branch_prob,
10818         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10819         rest_of_handle_jump_bypass, rest_of_handle_combine,
10820         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10821         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10822         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10823         rest_of_handle_mode_switching, rest_of_handle_jump,
10824         rest_of_handle_eh, rest_of_handle_stack_adjustments,
10825         rest_of_handle_flow2, rest_of_handle_jump2,
10826         rest_of_handle_peephole2, rest_of_handle_postreload,
10827         rest_of_handle_shorten_branches, rest_of_clean_state,
10828         rest_of_compilation): Remove.
10829
10830         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10831         * passes.c (dump_flags, in_gimple_form, all_passes,
10832         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10833         register_dump_files, next_pass_1, last_verified, execute_todo,
10834         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10835         from tree-optimize.c.
10836         (init_optimization_passes): Moved from tree-optimize.c,
10837         adding the RTL optimizations.
10838         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10839         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10840         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10841         register_dump_files, next_pass_1, last_verified, execute_todo,
10842         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10843         init_tree_optimization_passes, ipa_passes): Delete.
10844         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10845         the RTL dumps.
10846         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10847         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10848         from tree.h.
10849         (ipa_passes): Remove.
10850         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10851         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10852         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10853         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10854         (dump_info_p, dump_flag): Moved to tree-dump.h.
10855
10856         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10857         cgraph.c, opts.c.
10858         * passes.c (finish_optimization_passes): Use dump_begin
10859         and dump_end, TDI_end.
10860         (gate_rest_of_compilation): New.
10861         (pass_rest_of_compilation): Use it.
10862         (gate_postreload, pass_postreload): New.
10863         * toplev.c (general_init): Rename init_tree_optimization_passes.
10864         * toplev.h (init_tree_optimization_passes): Rename to
10865         init_optimizations_passes.
10866         * tree-dump.c (dump_flag): Make static.
10867         (dump_files): Remove RTL dumps.
10868         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10869         pass_cleanup_cfg, pass_free_cfg_annotations,
10870         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10871         pass_init_datastructures, pass_fixup_cfg): Make non-static.
10872         * tree-pretty-print.c: Include tree-pass.h.
10873         * cgraph.c: Include tree-dump.h.
10874
10875 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10876
10877         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10878         Only fall back to saying it points to readonly memory if
10879         we can't do better.
10880
10881 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10882
10883         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10884         * config/m32r/m32r.c (m32r_compute_frame_size,
10885         m32r_expand_prologue): Take current_function_profile into
10886         account whenever we reference
10887         current_function_uses_pic_offset_table.
10888         (m32r_finalize_pic): Remove.
10889         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10890
10891 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
10892
10893         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10894         instead of $<.  Don't remove ./as if it already exists.
10895
10896 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10897
10898         PR target/21723
10899         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10900         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10901         for complex modes when generating code for PA 1.0.
10902         (VALID_FP_MODE_P): New macro.
10903         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10904         sets for all general and floating point modes.  Align wide floating
10905         point modes to even register boundaries to comply with architectural
10906         requirements.
10907         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10908         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10909         (VALID_FP_MODE_P): New macro.
10910         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10911         sets for all general and floating point modes.  Align wide floating
10912         point modes to even register boundaries to comply with architectural
10913         requirements.
10914
10915 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10916
10917         * tree-dump.c (dump_files): Initialize dump number for .cgraph
10918         to 0.
10919
10920 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10921
10922         * tree-ssa-structalias.c: Don't include expr.h.
10923
10924 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10925
10926         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10927         comments.
10928
10929 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10930
10931         Fix PR tree-optimization/22279
10932
10933         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10934         correct operator.
10935
10936 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
10937
10938         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10939
10940 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10941
10942         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10943         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10944         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10945         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10946         config/stormy16/stormy16.c, config/v850/v850.c,
10947         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10948         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10949         Avoid "." or "\n" at end of diagnostics and capital letters at
10950         start of diagnostics.
10951         * combine.c, cse.c: Don't translate dump file output.
10952         * toplev.c (print_version): Only translate output if going to
10953         stderr.
10954
10955 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
10956
10957         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10958         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10959         typos.
10960
10961 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10962
10963         * pa.c (fix_range): Fix typo in comment.
10964
10965 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
10966
10967         * tree-vrp.c (extract_range_from_assert): Replace
10968         fold (build (...)) with fold_build2.
10969
10970 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10971
10972         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10973         gcc_gfc_char_table, init_dynamic_gfc_info): New.
10974         (format_types_orig, handle_format_attribute): Add support for
10975         format "gcc_gfc".
10976
10977 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10978
10979         * varasm.c (assemble_variable): Fix format specifier thinko.
10980
10981 2005-07-03  Ira Rosen  <irar@il.ibm.com>
10982
10983         PR tree-optimization/22029 (and 22135)
10984         * tree-pretty-print.c (dump_generic_node): Check that the node is not
10985         a phi node before calling dump_vops.
10986
10987 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10988
10989         * tree-dump.h (dump_string_field): Declare.
10990         * tree-dump.c: Use it instead of dump_string.
10991         (dump_string_field): Make non-static.
10992
10993 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10994
10995         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10996         up the minimal CFG stuff always when optimize > 0.  Call
10997         split_all_insns_noflow in PIC case if needed.
10998
10999 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11000             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11001
11002         PR c++/18279
11003         * c-decl.c (c_write_global_declarations): Dump contents of
11004         external scope to.
11005         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11006         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11007         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11008         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11009         is enabled.
11010
11011 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11012
11013         * c-common.h (GCC_DIAG_STYLE): Define.
11014         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11015         version for format checking to 4.1.
11016         * c-format.c: Include toplev.h after c-common.h.
11017         (enum format_type): Add gcc_tdiag_format_type.
11018         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11019         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11020         (format_types_orig): Add gcc_tdiag.
11021         (init_dynamic_diag_info): Support gcc_tdiag formats.
11022         (handle_format_attribute): Likewise.
11023         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11024         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11025         version for format checking to 4.1.
11026         (warning0, warning, error, pedwarn, sorry): Use
11027         ATTRIBUTE_GCC_DIAG.
11028         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11029         (finish_aliases_1): Do not use %qE.
11030         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11031         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11032         Correct format bugs.
11033         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11034         parameter to unsigned HOST_WIDE_INT.
11035         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11036
11037 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11038
11039         PR middle-end/21742
11040         * expr.c (write_complex_part): Use adjust_address for MEM.
11041         (read_complex_part): Same.
11042
11043 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11044
11045         Fix PR tree-optimization/22280
11046
11047         * tree-sra.c (generate_element_init): Remove useless loop.
11048
11049 2005-07-02  Richard Henderson  <rth@redhat.com>
11050
11051         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11052         TLS_MODEL_NONE.
11053         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11054
11055 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11056
11057         PR middle-end/14490
11058         * fold-const.c (fold_binary): Handle the return value of
11059         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11060         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11061
11062 2005-07-02  Jeff Law  <law@redhat.com>
11063
11064         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11065         a eliminate type conversion which feeds an equality comparison
11066         if the original type or either operand in the comparison is a
11067         function pointer.
11068
11069 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11070
11071         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11072         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11073         texts.
11074         * config/avr/avr.c: Do not use '`' as left quote.
11075         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11076         Remove "." from end of diagnostics.  Make diagnostics start with
11077         lowercase letter.
11078
11079 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11080             Joseph S. Myers  <joseph@codesourcery.com>
11081
11082         * toplev.c (default_tree_printer): Handle setting location with
11083         '+' flag.
11084         * c-objc.common.c (c_tree_printer): Likewise.
11085         * c-format.c (gcc_diag_flag_specs): Add '+'.
11086         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11087         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11088         formats.
11089         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11090         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11091         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11092         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11093         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11094         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11095         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11096         format arguments where %J is used without %D.
11097
11098 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11099
11100         * gcc.c (LINK_SSP_SPEC): Define.
11101         (link_ssp_spec): New variable.
11102         (LINK_COMMAND_SPEC): Add %(link_ssp).
11103         (static_specs): Add link_ssp_spec.
11104         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11105         * configure: Rebuilt.
11106         * config.in: Rebuilt.
11107
11108         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11109         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11110         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11111         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11112         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11113         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11114         -0x7008(2) instead of reading __stack_chk_guard variable.
11115         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11116         number.
11117         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11118         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11119         if TARGET_THREAD_SSP_OFFSET is defined.
11120         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11121         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11122
11123         Revert:
11124         2005-06-27  Richard Henderson  <rth@redhat.com>
11125         * libgcc-std.ver (GCC_4.1.0): New.
11126         * libgcc.h (__stack_chk_guard): Declare.
11127         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11128         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11129         * mklibgcc.in (lib2funcs): Add them.
11130
11131 2005-07-01  Richard Henderson  <rth@redhat.com>
11132
11133         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11134         void * before struct sigcontext *.
11135         (x86_fallback_frame_state): Likewise.
11136
11137 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11138
11139         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11140
11141 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11142
11143         PR tree-opt/22269
11144         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11145         we check for SSA_NAME for.
11146
11147 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11148
11149         Fix PR tree-optimization/22071
11150
11151         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11152         function.
11153         (get_constraint_for_component_ref): Use it.
11154
11155 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11156
11157         PR other/22264
11158         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11159         print out the last new line.
11160
11161 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11162
11163         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11164         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11165         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11166         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11167         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11168         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11169         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11170         (enum reg_class): New member CC0_REGS.
11171         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11172         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11173         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11174         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11175         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11176         Adjust for register now described.
11177
11178 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11179
11180         PR target/22262
11181         * config/i386/i386.md (stack_protect_test_si,
11182         stack_protect_test_di): Add earlyclobber for scratch 3.
11183         * config/rs6000/rs6000.md (stack_protect_testsi,
11184         stack_protect_testdi): Add earlyclobber for scratch 3,
11185         remove earlyclobber from scratch 4.
11186
11187 Older entries for 2005 can be found in ChangeLog-2005.