OSDN Git Service

* expr.c (force_operand): Use convert_to_mode for conversions.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
2
3         * expr.c (force_operand): Use convert_to_mode for conversions.
4
5 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
6
7         * reload.h (reg_equiv_invariant): Declare.
8         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
9         register also when reg_equiv_invariant[R] is set.
10
11 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
12             Andreas Tobler  <a.tobler@schweiz.ch>
13
14         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
15
16 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
17
18         * tree-ssa-pre.c (bitmap_set_and): New function.
19         (bitmap_set_and_compl): New function.
20         (bitmap_set_empty_p): New function.
21         (insert_extra_phis): New function.
22         (compute_avail): Use insert_extra_phis.
23
24 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
25
26         * config/s390/s390.c (s390_expand_atomic): New function.
27         Adjust comment of helper functions.
28         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
29         * config/s390/s390.md ("ATOMIC"): New code macro.
30         ("atomic"): Corresponding new code attribute.
31         ("sync_lock_test_and_set[hq]i", 
32         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
33
34 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
35
36         * config/s390/s390.c (s390_expand_mask_and_shift, 
37         struct alignment_context, init_alignment_context, 
38         s390_expand_cs_hqi): New.
39         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
40         * config/s390/s390.md ("sync_compare_and_swaphi",
41         "sync_compare_and_swapqi"): New pattern.
42
43 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
44
45         Fix PR tree-optimization/25291
46         * tree-ssa-operands.c (add_call_clobber_ops): Remove
47         redundant and crashing check.
48
49 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
50
51         PR target/25212
52         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
53         tests further when !strict && reload_in_progress.
54         (print_operand): Check that both operands of indexed address are regs.
55         (print_operand_address): Likewise.
56         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
57         (INT_REG_OK_FOR_BASE_P): Correct.
58
59 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
60
61         Preparation for PR rtl-optimization/20070 / part1
62         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
63         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
64         outgoing_edges_match.
65         (outgoing_edges_match): Use condjump_equiv_p.
66         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
67         into..
68         * struct-equiv.c: New file.
69         (death_notes_match_p) New function, broken out of insns_match_p.
70         * Makefile.in (OBJS-common): Add struct-equiv.o.
71         (struct-equiv.o): New target.
72
73 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
74
75         * coretypes.h: Revert previous change.
76         * config/darwin.h: Revert previous reversion.
77         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
78
79 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
80
81         * coretypes.h (section): Provide dummy definition for target files.
82         * config/darwin.h: Revert previous change.
83
84 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
85
86         * doc/sourcebuild.texi (all.build, install-normal): Remove.
87         * configure.ac: Remove all.build and install-normal from target_list
88         * configure: Regenerate.
89         * Makefile.in (install): Don't depend on install-normal.
90
91 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
92
93         * Makefile.in: Document the use of stamps.
94
95 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
96
97         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
98         * Makefile.in: Add code to compute some dependencies on s-gtype
99         automatically.  Remove the declaration of those dependencies.
100
101 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
102
103         * gcc/reload.c (push_secondary_reload): Fix typo:
104         s/insn_constraint/scratch_constraint/.
105
106 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
107
108         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
109
110 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
111
112         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
113         (alpha_elf_select_rtx_section): Return the selected section rather
114         than emitting assembly code.
115         (alpha_write_linkage): Emit a ".link" directive directly and then
116         set in_section to NULL.
117         (vms_asm_out_constructor): Use switch_to_section.
118         (vms_asm_out_destructor): Likewise.
119         (unicosmk_output_common): Set in_section to NULL instead of calling
120         the dummy common_section function.
121         (unicosmk_text_section): Delete in favor of...
122         (unicosmk_output_text_section_asm_op): ...this new function.
123         (unicosmk_data_section): Delete in favor of...
124         (unicosmk_output_data_section_asm_op): ...this new function.
125         (unicosmk_init_sections): New function.
126         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
127         (unicosmk_output_ssib): Set in_section to NULL instead of calling
128         the dummy ssib_section function.
129         (unicosmk_section_buf): Delete.
130         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
131         (unicosmk_data_section): Delete.
132         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
133         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
134         (SECTION_FUNCTION_TEMPLATE): Delete.
135         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
136         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
137         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
138         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
139         (TARGET_ASM_INIT_SECTIONS): Define.
140         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
141         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
142         (link_section, literals_section): Delete.
143         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
144         set in_section to NULL.
145
146         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
147         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
148         (COMMON_SECTION): Delete.
149         (TARGET_ASM_INIT_SECTIONS): Define.
150         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
151         the dummy common_section function.
152         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
153         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
154         between readonly_data_section and text_section to check whether
155         read-only data is being put in the text section.
156         (arm_output_function_epilogue): Use switch_to_section.
157         (arm_elf_asm_constructor): Likewise.
158         (thumb_call_via_reg): Replace call to in_text_section with
159         a comparison between in_section and text_section.
160         (arm_file_end): Use switch_to_section.
161         (aof_text_section): Delete in favor of...
162         (aof_output_text_section_asm_op): ...this new function.
163         (aof_data_section): Delete in favor of...
164         (aof_output_data_section_asm_op): ...this new function.
165         (aof_asm_init_sections): New function.
166         (zero_init_section): Moved from config/arm/aof.h.
167         (aof_dump_imports, aof_file_start): Use switch_to_section.
168         * config/arm/arm.h (thumb_call_via_label): Update comment.
169         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
170         (common_section): Delete.
171         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
172         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
173         global switch_to_section function instead of the old port-local one.
174         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
175         (SWITCH_TO_SECTION_FUNCTION): Delete.
176         (drectve_section): Redefine as a macro.
177         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
178         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
179         switch_to_section.
180
181         * config/avr/avr.c (progmem_section): New variable.
182         (avr_output_progmem_section_asm_op): New function.
183         (avr_asm_init_sections): New function.
184         (avr_output_addr_vec_elt): Use switch_to_section.
185         * config/avr/avr.h (progmem_section): Declare.
186         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
187         (READONLY_DATA_SECTION): Delete.
188         (TARGET_ASM_INIT_SECTIONS): Define.
189         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
190         * config/avr/avr-protos.h (progmem_section): Delete.
191
192         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
193
194         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
195         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
196
197         * config/darwin-sections.def: New file.
198         * config/darwin.c: Define all sections in darwin-sections.def.
199         (output_objc_section_asm_op, darwin_init_sections): New functions.
200         (machopic_output_indirection): Use switch_to_section.
201         (machopic_select_section): Return the selected section rather than
202         emitting assembly code.  Replace the static function table with
203         inline conditional expressions.  Update the tests of last_text_section
204         and move them into the FUNCTION_DECL block.
205         (machopic_select_rtx_section): Return the selected section rather than
206         emitting assembly code.
207         (machopic_asm_out_constructor, machopic_asm_out_destructor)
208         (darwin_file_end): Use switch_to_section.
209         * config/darwin.h: Use darwin-sections.def to declare sections.
210         (INIT_SECTION_ASM_OP): Remove empty definition.
211         (HAS_INIT_SECTION): Define this instead.
212         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
213         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
214         (TARGET_ASM_EH_FRAME_SECTION): Delete.
215         (TARGET_ASM_INIT_SECTIONS): Define.
216         * config/darwin-protos.h (darwin_init_sections): Declare.
217         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
218         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
219         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
220         (constructor_section, destructor_section, mod_init_section): Delete.
221         (mod_term_section): Delete.
222         (darwin_exception_section, darwin_eh_frame_section): Delete.
223         (machopic_select_section): Return a section.
224         (machopic_select_rtx_section): Likewise.
225         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
226         (const_section, const_coal_section, const_data_section): Delete.
227         (const_data_coal_section, data_coal_section, cstring_section): Delete.
228         (literal4_section, literal8_section, constructor_section): Delete.
229         (mod_init_section, mod_term_section, destructor_section): Delete.
230         (objc_class_section, objc_meta_class_section, objc_category_section)
231         (objc_class_vars_section, objc_instance_vars_section): Delete.
232         (objc_cls_meth_section, objc_inst_meth_section): Delete.
233         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
234         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
235         (objc_symbols_section, objc_module_info_section): Delete.
236         (objc_image_info_section, objc_protocol_section): Delete.
237         (objc_string_object_section, objc_constant_string_object_section)
238         (objc_class_names_section, objc_meth_var_names_section): Delete.
239         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
240         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
241         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
242         (darwin_exception_section, darwin_eh_frame_section): Delete.
243         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
244
245         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
246         (frv_asm_out_destructor): Likewise.
247         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
248         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
249         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
250         get_named_section.
251         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
252         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
253         (data_section): Delete.
254
255         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
256         (DRECTVE_SECTION_FUNCTION): Delete.
257         (drectve_section): Redefine as a macro that sets in_section after
258         emitting the directive.
259         (SWITCH_TO_SECTION_FUNCTION): Delete.
260         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
261         in_text_section with comparison between in_section and text_section.
262         * config/i386/i386.c (x86_64_elf_select_section): Return the section
263         rather than emitting assembly code.  Use get_named_section.
264         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
265         get_named_section.
266         (machopic_output_stub): Use switch_to_section.
267         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
268         (nwld_named_section_asm_out_destructor): Use get_section and
269         switch_to_section.
270
271         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
272         rather than emitting assembly code.
273         (ia64_rwreloc_select_section): Likewise.
274         (ia64_rwreloc_select_rtx_section): Likewise.
275         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
276         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
277         switch_to_section.
278         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
279         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
280
281         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
282         section rather than emitting assembly code.
283         (iq2000_select_section): Likewise.
284         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
285         (sbss_section): Delete.
286
287         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
288         and get_named_section.
289         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
290
291         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
292         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
293         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
294         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
295         in_section to NULL.
296         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
297         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
298         global switch_to_section function instead of the old port-local one.
299         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
300         (SWITCH_SECTION_FUNCTION): Delete.
301         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
302         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
303         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
304         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
305         in_section to NULL.
306         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
307         global switch_to_section function instead of the old port-local one.
308         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
309
310         * config/mips/mips.c (mips_file_start): Update comment.
311         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
312         (mips_output_aligned_decl_common): Use switch_to_section.
313         (mips_select_rtx_section): Return the section rather than emitting
314         assembly code.  Use get_named_section.
315         (mips_function_rodata_section: Likewise get_section.
316         (build_mips16_function_stub): Use switch_to_section.
317         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
318         (SDATA_SECTION_ASM_OP): Delete.
319         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
320         (EXTRA_SECTION_FUNCTIONS): Delete.
321
322         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
323         (mmix_asm_output_aligned_local): Use switch_to_section.
324
325         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
326         (som_one_only_readonly_data_section): New variables.
327         (pa_output_function_epilogue): Set in_section to NULL instead of
328         calling forget_section.
329         (output_deferred_plabels): Use select_section.
330         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
331         of calling forget_section.
332         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
333         (pa_asm_output_aligned_local): Use select_section.
334         (som_text_section_asm_op): Delete in favor of...
335         (som_output_text_section_asm_op): ...this new function.
336         (pa_som_asm_init_sections): New function.
337         (pa_select_section): Return the section rather than emitting
338         assembly code.
339         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
340         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
341         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
342         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
343         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
344         (som_readonly_data_section, som_one_only_readonly_data_section)
345         (som_one_only_data_section, forget_section): Delete.
346         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
347         (TARGET_ASM_INIT_SECTIONS): Define.
348         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
349
350         * config/rs6000/rs6000.c (read_only_data_section): New variable.
351         (private_data_section, read_only_private_data_section): New variables.
352         (sdata2_section, toc_section): New variables.
353         (rs6000_file_start): Use switch_to_section.
354         (rs6000_assemble_integer): Use comparisons against in_section
355         instead of calling in_toc_section and in_text_section.  Use
356         unlikely_text_section_p.
357         (rs6000_elf_output_toc_section_asm_op): New function, derived
358         from the old rs6000/sysv4.h toc_section function.
359         (rs6000_elf_asm_init_sections): New function.
360         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
361         the section rather than emitting assembly code.
362         (machopic_output_stub): Use switch_to_section.
363         (toc_section): Delete dummy function.
364         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
365         switch_to_section and get_section.
366         (rs6000_xcoff_output_readonly_section_asm_op): New function.
367         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
368         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
369         the old rs6000/xcoff.h toc_section function.
370         (rs6000_xcoff_asm_init_sections): New function.
371         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
372         the section rather than emitting assembly code.
373         (rs6000_xcoff_file_start): Use switch_to_section.
374         (rs6000_xcoff_file_end): Likewise.
375         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
376         (sdata2_section, sbss_section, private_data_section): Delete.
377         (read_only_data_section, read_only_private_data_section): Delete.
378         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
379         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
380         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
381         (FINI_SECTION_FUNCTION): Delete.
382         (TARGET_ASM_INIT_SECTIONS): Define.
383         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
384         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
385         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
386         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
387         (READONLY_DATA_SECTION): Delete.
388         (TARGET_ASM_INIT_SECTIONS): Define.
389         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
390         to NULL rather than no_section.
391         (TARGET_ASM_EXCEPTION_SECTION): Delete.
392
393         * config/sh/sh.c (sh_file_start): Use switch_to_section.
394
395         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
396         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
397         from call to current_function_section.
398
399         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
400         (bss100_section): New variable.
401         (xstormy16_asm_output_aligned_common): Use switch_to_section.
402         (xstormy16_asm_init_sections): New function.
403         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
404         switch_to_section and get_section.
405         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
406         from calls to current_function_section.
407         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
408         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
409         (TARGET_ASM_INIT_SECTIONS): Define.
410         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
411
412         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
413         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
414         (FINI_SECTION_FUNCTION): Delete.
415
416         * config/v850/v850.c: Include gt-v850.h.
417         (rosdata_section, rozdata_section, tdata_section, zdata_section)
418         (zbss_section): New variables.
419         (v850_output_aligned_bss): Use switch_to_section.
420         (v850_asm_init_sections): New function.
421         (v850_select_section): Return the section rather than emitting
422         assembly code.
423         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
424         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
425         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
426         (TARGET_ASM_INIT_SECTIONS): Define.
427         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
428         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
429         (zbss_section): Delete.
430
431         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
432
433         * config/vx-common.h (vxworks_exception_section): Delete.
434         (TARGET_ASM_EXCEPTION_SECTION): Delete.
435
436         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
437         section rather than emitting assembly code.
438         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
439         switch_to_section.
440
441         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
442         * coretypes.h (section): New union and typedef.
443         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
444         from call to current_function_section.
445         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
446         (dbxout_symbol_location): Use switch_to_section.
447         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
448         most of the code into...
449         (default_eh_frame_section): ...here.  Return a section.
450         (collect2_eh_frame_section): Delete, moving most of the code into..
451         (switch_to_eh_frame_section): ...this new function.
452         (debug_info_section, debug_abbrev_section, debug_aranges_section)
453         (debug_macinfo_section, debug_line_section, debug_loc_section)
454         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
455         variables.
456         (output_call_frame_info): Call switch_to_eh_frame_section instead of
457         eh_frame_section.  Use switch_to_section and get_section.
458         (dwarf2out_begin_prologue): Use switch_to_section.
459         (AT_string_form): Check the flags in debug_str_section instead of
460         DEBUG_STR_SECTION_FLAGS.
461         (output_comp_unit): Use switch_to_section, get_section, and
462         debug_info_section.
463         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
464         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
465         from call to current_function_section.
466         (dwarf2out_var_location): Use unlikely_text_section_p.
467         (dwarf2out_source_line): Use switch_to_section.  Remove argument
468         from call to current_function_section.
469         (dwarf2out_start_source_file, dwarf2out_end_source_file)
470         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
471         debug_macinfo_section.
472         (dwarf2out_init): Initialize the new section variables.  Use them
473         instead of calls to named_section_flags.  Use switch_to_section.
474         (output_indirect_string): Use switch_to_section and debug_str_section.
475         (dwarf2out_finish): Use switch_to_section and the new section
476         variables.
477         * except.c (default_exception_section): Return the section instead
478         of emitting assembly code.
479         (output_function_exception_table): Use the global exception_section
480         variable instead of the target hook.  Use switch_to_section.  Remove
481         argument from call to current_function_section.
482         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
483         (shorten_branches): Use pointer comparisons to detect whether the
484         text section is the same as readonly_data_section.
485         (profile_function): Use switch_to_section.  Remove argument from
486         call to current_function_section.
487         (final_scan_insn): Likewise.  Update use of last_text_section.
488         * gengtype.c (open_base_files): Add an include of output.h.
489         * output.h (text_section, data_section, readonly_data_section)
490         (ctors_section, dtors_section, bss_section, init_section)
491         (fini_section, sdata_section): Turn into section pointers.
492         (in_text_section, in_unlikely_text_section, exports_section)
493         (drectve_section, named_section, mergeable_string_section)
494         (last_text_section_name): Delete.
495         (default_exception_section, default_eh_frame_section): Return sections.
496         (SECTION_DECLARED, SECTION_NAMED): New macros.
497         (SECTION_MACH_DEP): Bump value.
498         (section_common, named_section, unnamed_section): New structures.
499         (unnamed_section_callback): New typedef.
500         (section): New union.
501         (sbss_section, exception_section, eh_frame_section): New variables.
502         (in_section, last_text_section): Turn into section pointers.
503         (get_unnamed_section, get_section, get_named_section): New functions.
504         (mergeable_constant_section, function_section): Return a section.
505         (unlikely_text_section): Likewise.
506         (current_function_section): Likewise.  Remove the decl argument.
507         (unlikely_text_section_p, switch_to_section): New functions.
508         (output_section_asm_op): New function.
509         (set_named_section_flags, named_section_flags, named_section_real)
510         (named_section_first_declaration): Delete.
511         (default_select_section, default_elf_select_section): Return a section.
512         (default_elf_select_section_1, default_function_rodata_section)
513         (default_no_function_rodata_section, default_select_rtx_section)
514         (default_elf_select_rtx_section): Likewise.
515         * rtl.h (in_data_section): Delete.
516         * sdbout.c (sdbout_one_type): Use switch_to_section.
517         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
518         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
519         (TARGET_ASM_EH_FRAME_SECTION): Poison.
520         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
521         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
522         (TARGET_ASM_OUT): Update after above changes.
523         * target.h (init_sections): New hook.
524         (exception_section, eh_frame_section): Delete.
525         (select_section, select_rtx_section, function_rodata_section): Return
526         a section rather than emitting assembly code.
527         * varasm.c (text_section, data_section, readonly_data_section)
528         (ctors_section, dtors_section, bss_section, init_section)
529         (fini_section): Turn into section pointers.
530         (sdata_section, sbss_section, exception_section): New variables.
531         (eh_frame_section): New variable.
532         (in_section): Make global and turn into a section pointer.
533         (last_text_section): Turn into a section pointer.
534         (unnamed_sections): New variable.
535         (in_named_name, last_text_section_name): Delete.
536         (EXTRA_SECTION_FUNCTIONS): Delete.
537         (in_named_entry): Delete.
538         (section_htab): New variable, replacing...
539         (in_named_htab): ...this deleted variable.
540         (section_entry_eq, section_entry_hash): New functions, based on...
541         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
542         (get_unnamed_section, get_section): New functions.
543         (unlikely_text_section): Return a section instead of emitting
544         assembly code.
545         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
546         (get_named_section_flags, named_section_first_declaration): Delete.
547         (unlikely_text_section_p): New function.
548         (named_section_real, named_section): Delete.
549         (get_named_section): New function.
550         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
551         (function_section): Return a section rather than emitting
552         assembly code.
553         (current_function_section): Likewise.  Remove argument.  Use
554         last_text_section if nonnull, otherwise use function_section.
555         (default_function_rodata_section): Return a section rather than
556         emitting assembly code.  Use get_section.
557         (default_no_function_rodata_section): Return a section rather than
558         emitting assembly code.
559         (variable_section): Use switch_to_section and get_named_section.
560         (mergeable_string_section): Return a section rather than emitting
561         assembly code.  Use get_section.  Make static.  Don't take special
562         countermeasures for empty strings.
563         (mergeable_constant_section): Return a section rather than emitting
564         assembly code.  Use get_section.
565         (default_named_section_asm_out_destructor): Use switch_to_section
566         and get_section.
567         (default_dtor_section_asm_out_destructor): Use switch_to_section.
568         (default_named_section_asm_out_constructor): Use switch_to_section
569         and get_section.
570         (default_ctor_section_asm_out_constructor): Use switch_to_section.
571         (assemble_start_function): Likewise.  Set last_text_section to
572         NULL rather than no_section.  Change the type of save_section.
573         (assemble_zeros, assemble_variable): Use the section flags to detect
574         whether or not a section is text.
575         (assemble_static_space): Use switch_to_section.
576         (assemble_trampoline_template): Likewise.
577         (output_constant_def_contents): Use switch_to_section and
578         get_named_section.
579         (output_constant_pool_1): Use switch_to_section.  Use the section
580         flags to see whether sections contain mergeable data.
581         (init_varasm_once): Initialize section_htab instead of in_named_htab.
582         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
583         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
584         whether a section has already been declared.
585         (default_select_section, default_elf_select_section): Return a
586         section rather than emitting assembly code.
587         (default_elf_select_section_1): Likewise.  Use bss_section for
588         SECCAT_BSS if nonnull.  Use get_named_section.
589         (default_select_rtx_section): Return a section rather than
590         emitting assembly code.
591         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
592         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
593         (output_section_asm_op, switch_to_section): New functions.
594         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
595         get_named_section.
596
597         * doc/tm.texi: Expand the introduction to the sections documentation.
598         (TRAMPOLINE_SECTION): Document new interface.
599         (SDATA_SECTION_ASM_OP): Document new macro.
600         (READONLY_DATA_SECTION): Delete.
601         (SDATA_SECTION_ASM_OP): Document new macro.
602         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
603         (TARGET_ASM_INIT_SECTIONS): Document new hook.
604         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
605         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
606         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
607
608 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
609
610         * gcc.c (init_gcc_specs): Match braces inside conditionally
611         compiled strings.
612
613 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
614
615         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
616
617 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
618
619         PR C++/24138
620         * tree.c (integer_all_onesp): Always return true if all bits on.
621
622         * testsuite/g++.dg/init/array0.C: New.
623
624 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
625
626         * doc/md.texi: Adapt to implementation.
627
628 2005-12-06  Andreas Schwab  <schwab@suse.de>
629
630         * opts.c (decode_options): Fix typo in message.
631
632 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
633
634         PR other/13873
635         * longlong.h: Merge PPC tests from upstream.
636
637 2005-12-06  Richard Guenther  <rguenther@suse.de>
638
639         * fold-const.c (fold_convert): Do not build and fold
640         CONVERT_EXPR, but always use NOP_EXPR.
641
642 2005-12-06  Jan Beulich  <jbeulich@novell.com>
643
644         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
645         __builtin_ia32_paddq and __builtin_ia32_subq.
646         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
647         __builtin_ia32_pshufw.
648         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
649
650 2005-12-05  James E Wilson  <wilson@specifix.com>
651
652         PR target/24934
653         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
654         is set.
655
656 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
657         
658         * print-tree.c (print_node): Ditto.
659         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
660         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
661         before accessing DECL_ARTIFICIAL. 
662         Handle new tag tree codes.
663         * tree-flow-inline.h (clear_call_clobbered): Update for tag
664         changes.
665         (unmodifiable_var_p): Ditto.
666         * tree-flow.h (mem_tag_kind): Remove.
667         (struct var_ann_d): Remove mem_tag_kind member.
668         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
669         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
670         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
671         (group_aliases): Ditto.
672         (setup_pointers_and_addressables): Ditto.
673         (is_escape_site): Ditto.                                          
674         (may_alias_p): Ditto.
675         (create_tag_raw): New function.
676         (create_memory_tag): Use it.
677         (dump_alias_info): Update for tags.
678         (may_be_aliased): Ditto.
679         (add_type_alias): Ditto.
680         (new_type_alias): Ditto.
681         (create_sft): Ditto.
682         (create_structure_vars): Ditto.
683         * tree-ssa-ccp.c (get_default_value): Ditto.
684         * tree-ssa-operands.c (get_expr_operands): Ditto.
685         (add_stmt_operand): Ditto.
686         (add_call_clobber_ops): Remove duplicated condition.
687         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
688         tags.
689         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
690         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
691         * tree.c (init_ttree): Update structures for new tree codes.
692         (tree_code_size): Update sizes for new tree codes.
693         (make_node_stat): Don't try to set common things on minimal
694         structures.
695         (tree_node_structure): Update for tags.
696         (is_global_var): Ditto.
697         * tree.def: Add new tree codes.
698         * tree.h (MTAG_P): New macro.
699         (TREE_MEMORY_TAG_CHECK): Ditto.
700         (SSA_VAR_P): Update for tags.
701         (struct tree_memory_tag): New structure.
702         (MTAG_GLOBAL): New macro.
703         (union tree_node): Add memory tag member.
704         * treestruct.def (TS_MEMORY_TAG): New.
705         
706 2005-12-05  Dale Johannesen  <dalej@apple.com>
707
708         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
709         what was approved (PR 24323).
710
711 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
712
713         * doc/c-tree.texi (Function Bodies): Remove description of
714         RETURN_INIT.
715
716 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
717
718         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
719         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
720         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
721         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
722         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
723         __divxc3): Document.
724
725 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
726
727         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
728         previous behaviour.
729         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
730         hook_bool_void_false.
731         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
732         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
733
734         * config/darwin.c (machopic_select_section): It's not defined
735         as weak if it's only marked as weak_import.
736         
737         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
738         Prototype.
739
740         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
741         A hidden weak object does bind locally.  Strong linkonce data
742         counts like any other strong symbol for binding.
743         (weak_finish_1): Don't specially handle weakrefs, they no longer
744         arrive here.
745         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
746         * c-common.c (handle_alias_attribute): Allow static aliases
747         of variables.
748         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
749         * gthr-dce.h: Make weakrefs static.
750         * gthr-tpf.h: Likewise.
751         * gthr-solaris.h: Likewise.
752         * gthr-posix.h: Likewise.
753         * gthr-posix95.h: Likewise.
754         * config/darwin.c (darwin_encode_section_info): static weakref
755         variables are not necessarily defined in this translation unit.
756         * doc/extend.texi (Function Attributes): Mention that an alias
757         attribute creates a definition for the thing it's attached to.
758         Change the documentation for weakref to say that the thing
759         it's attached to must be static.
760
761         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
762         we don't go into an infinite loop.
763
764 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
765
766         * config/rs6000/predicates.md (logical_const_operand): Split
767         out of logical_operand.
768         (logical_operand): Use it.
769         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
770         logical_const_operand.
771
772 2005-12-05  Jan Beulich  <jbeulich@novell.com>
773
774         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
775         and IX86_BUILTIN_CMPNESS.
776         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
777         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
778         * config/i386/i386.md (movti_internal): Correct type attribute.
779         Simplify mode attribute.
780         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
781         Correct type attribute.
782         (absxf2): Correct operator.
783         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
784         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
785         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
786         mode attribute.
787         (sse2_vmsqrtv2df2): Correct mode attribute.
788
789 2005-12-05  Jan Beulich  <jbeulich@novell.com>
790
791         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
792         16 bits. Provide insn pattern for this case.
793
794 2005-12-05  Jan Beulich  <jbeulich@novell.com>
795
796         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
797         result.
798         (__popcountDI2): Likewise.
799
800 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
801
802         PR target/25166
803         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
804         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
805         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
806         functions.
807
808 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
809
810         * c-typeck.c (null_pointer_constant_p): New function.
811         (build_conditional_expr, build_c_cast, convert_for_assignment,
812         build_binary_op): Use it.
813
814 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
815
816         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
817         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
818         CONVERT_EXPR.
819         (check_function_arguments_recurse): Allow both NOP_EXPR and
820         CONVERT_EXPR but check conversions preserve precision.
821         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
822         but check conversions preserve precision.
823         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
824         default case.
825
826 2005-12-04  Roger Sayle  <roger@eyesopen.com>
827
828         PR c/7776
829         * common.opt (Wstring-literal-comparison): New command line option.
830         * c-opts.c (c_common_handle_option): Set it with -Wall.
831         * c-typeck.c (parser_build_binary_op): Issue warning if either
832         operand of a comparison operator is a string literal, except for
833         testing equality or inequality against NULL.
834
835         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
836
837 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
838
839         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
840         of building a NOP_EXPR.
841         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
842         NOP_EXPR.
843         * c-convert.c (convert): Use fold_convert instead of building
844         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
845         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
846         #if 0 code.
847         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
848         NOP_EXPR the same as CONVERT_EXPR.
849         * c-typeck.c (build_function_call): Use fold_convert instead of
850         building a NOP_EXPR directly.
851         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
852
853 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
854
855         PR rtl-optimization/25197
856         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
857         have a reg.
858
859 2005-12-02  Stuart Hastings  <stuart@apple.com>
860
861         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
862         warning.
863
864 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
865
866         * c-typeck.c (default_function_array_conversion,
867         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
868         (build_conditional_expr): Apply integer_zerop to orig_op1 and
869         orig_op2.  Don't check them for NOP_EXPR.
870         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
871         around integer zero.
872
873 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
874
875         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
876         toc_save_offset, toc_size, lr_size.
877         (rs6000_stack_info): Use memset rather than bss struct copy to init.
878         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
879         Adjust for removal of unused rs6000_stack_t fields.
880         (debug_stack_info): Adjust.
881         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
882         first, and don't bother checking for set/inc of lr on sibcalls.
883         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
884
885 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
886
887         PR target/25199
888         * config/i386/i386.md (movqi_1): Only force imovx for alternative
889         5 if operand 1 is not aligned.  Undo previous constraint change.
890         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
891
892 2005-12-02  Richard Guenther  <rguenther@suse.de>
893
894         * tree.h (build): Remove prototype.
895         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
896         * tree.c (build): Remove.
897         (build0_stat): Update comment.
898
899 2005-12-02  Richard Guenther  <rguenther@suse.de>
900
901         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
902         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
903         Likewise.
904         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
905         maybe_fold_offset_to_component_ref): Likewise.
906         * tree-ssa-dom.c (thread_across_edge,
907         simplify_rhs_and_lookup_avail_expr,
908         find_equivalent_equality_comparison, record_equivalences_from_stmt):
909         Likewise.
910         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
911         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
912         lower_try_finally_switch): Likewise.
913         * tree-if-conv.c (add_to_dst_predicate_list,
914         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
915         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
916         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
917         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
918         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
919         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
920         gimplify_init_ctor_eval, gimplify_init_constructor,
921         gimplify_variable_sized_compare, gimplify_boolean_expr,
922         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
923         gimplify_expr, gimplify_body, gimplify_function_tree,
924         force_gimple_operand): Likewise.
925         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
926         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
927         mx_register_decls): Likewise.
928         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
929         get_frame_field, finalize_nesting_tree_1): Likewise.
930         * tree-inline.c (setup_one_parameter): Likewise.
931         * tree-vect-transform.c (vectorizable_condition): Likewise.
932         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
933         Likewise.
934         * tree-profile.c (tree_gen_edge_profiler): Likewise.
935         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
936         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
937         * tree-chrec.h (build_polynomial_chrec): Likewise.
938
939 2005-12-02  Richard Guenther  <rguenther@suse.de>
940
941         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
942         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
943         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
944         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
945         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
946         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
947         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
948         Likewise.
949         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
950         sh_adjust_unroll_max): Likewise.
951         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
952         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
953         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
954         Likewise.
955         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
956         Likewise.
957         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
958         Likewise.
959
960 2005-12-02  Richard Guenther  <rguenther@suse.de>
961
962         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
963         simplify_cond_using_ranges): Use buildN instead of build.
964         * tree-tailcall.c (adjust_accumulator_values,
965         adjust_return_value): Likewise.
966         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
967         generate_element_copy, generate_element_zero,
968         generate_one_element_init): Likewise.
969         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
970         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
971         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
972         perfect_nestify): Likewise.
973
974 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
975
976         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
977
978 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
979
980         * ggc.h (GGC_RESIZEVEC): New.
981
982 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
983
984         * gcc.c (execute): Improve readability.
985
986 2005-12-02  Richard Guenther  <rguenther@suse.de>
987
988         * tree-cfg.c (mark_used_vars): New function.
989         (dump_function_to_file): Dump only used VAR_DECLs.
990
991 2005-12-02  Richard Guenther  <rguenther@suse.de>
992
993         * convert.c (convert_to_integer): Fix compare for nonpositive
994         constant to use tree_int_cst_sgn <= 0.
995
996 2005-12-02  Richard Guenther  <rguenther@suse.de>
997
998         * convert.c (convert_to_integer): Use fold_convert instead
999         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1000         instead of comparing against 0.  Use build_int_cst instead
1001         of converting integer_zero_node.
1002
1003 2005-12-02  Richard Guenther  <rguenther@suse.de>
1004
1005         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1006         and RROTATE_EXPR.
1007  
1008 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1009
1010         PR target/21017
1011         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1012         rotates.
1013
1014 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1015
1016         PR middle-end/25176
1017         * function.c (expand_function_end): Emit blockage for unwinder
1018         after return label.
1019
1020 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1021
1022         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1023         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1024         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1025         integer constant comparisons.
1026
1027 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1028             Janis Johnson  <janis187@us.ibm.com>
1029             David Edelsohn  <dje@watson.ibm.com>
1030             Ben Elliston  <bje@au.ibm.com>
1031
1032         * dfp.h, dfp.c: New files.
1033         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1034         (DECNUM_H): Likewise.
1035         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1036         (INCLUDES): Append $(DECNUMINC).
1037         (OBJS-common): Add dfp.o.
1038         (dfp.o): New rule.
1039         * real.h (EXP_BITS): Pinch one bit to ..
1040         (struct real_value): Add decimal field.
1041         (real_format): Change table size, update documentation.
1042         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1043         (real_from_string3): Declare.
1044         (decimal_single_format): Declare.
1045         (decimal_double_format): Declare.
1046         (decimal_quad_format): Declare.
1047         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1048         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1049         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1050         * real.c: Include dfp.h.
1051         (normalize): Early return for decimal floats.
1052         (do_add): Zero decimal field.
1053         (do_compare): Call do_decimal_compare for decimal floats.
1054         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1055         (real_arithmetic): Call decimal_real_arithmetic for decimal
1056         floating point operands.
1057         (real_identical): If a and b are of differing radix, return false.
1058         (real_to_integer): Call decimal_real_to_integer if the value is a
1059         decimal float.
1060         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1061         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1062         (real_to_hexadecimal): Place "N/A" in the return string for
1063         decimal float.
1064         (real_from_string3): New variant, given a mode.
1065         (real_maxval): Use decimal_real_maxval for decimal floats.
1066         (round_for_format): Use decimal_round_for_format for decimals.
1067         (real_convert): Use decimal_real_convert where appropriate.
1068         (significand_size): Handle base 10.
1069         (encode_decimal_single, decode_decimal_single,
1070         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1071         decode_decimal_quad): New functions.
1072         (decimal_single_format): New.
1073         (decimal_double_format): New.
1074         (decimal_quad_format): New.
1075         * machmode.def: Add SD, DD and TD decimal floating point modes.
1076         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1077         Include MODE_DECIMAL_FLOAT.
1078         (DECIMAL_FLOAT_MODE_P): New.
1079         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1080         * genmodes.c (struct mode_data): Add counter field.
1081         (struct mode_data): Update comment for format.
1082         (blank_mode): Initialise counter field.
1083         (new_mode): Increment counter field for each mode defined.
1084         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1085         using a format.
1086         (make_complex_modes): Handle modes containing `D'.
1087         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1088         (make_decimal_float_mode): New.
1089         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1090         (cmp_modes): Compare counter field if other characteristics
1091         similar.
1092         (emit_real_format_for_mode): Support formats for decimal floats.
1093         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1094         Document MODE_DECIMAL_FLOAT.
1095
1096 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1097
1098         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1099         Delete dead code.
1100
1101 2005-12-01  Richard Henderson  <rth@redhat.com>
1102
1103         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1104
1105 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1106
1107         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1108
1109         * config/pa/pa.c (pa_init_builtins): If we detect
1110         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1111         putc_unlocked.
1112
1113 2005-12-01  Richard Guenther  <rguenther@suse.de>
1114
1115         * fold-const.c (fold_binary): Use fold_build2, not
1116         fold (build (...)).
1117
1118 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1119
1120         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1121
1122         * vec.h (VEC_block_remove): New.
1123
1124 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1125
1126         PR c/13384
1127         * c-common.c (lvalue_error): Fix wording.
1128
1129 2005-12-01  Richard Guenther  <rguenther@suse.de>
1130
1131         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1132         thinko in last patch.
1133
1134 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1135
1136         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1137         than -flat_namespace.
1138
1139 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1140
1141         * mklibgcc.in: Parameterise the script to build soft float
1142         functions by iterating over each type, rather than cloning the
1143         code for each type.
1144
1145 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1146
1147         PR middle-end/25158
1148         * builtins.c (fold_builtin_fputs): Defer check for missing
1149         replacement functions.
1150
1151 2005-11-30  Kean Johnston  <jkj@sco.com>
1152
1153         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1154         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1155
1156 2005-11-30  Richard Guenther  <rguenther@suse.de>
1157
1158         PR tree-optimization/22501
1159         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1160         function split out from ...
1161         (forward_propagate_addr_expr): ... here.  Use it to propagate
1162         ADDR_EXPRs to all uses.
1163
1164 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1165
1166         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1167         * builtins.c (expand_builtin_mathfn): Use them.
1168         (expand_builtin_mathfn_2): Likewise.
1169         (expand_builtin_mathfn_3): Likewise.
1170         (expand_builtin_int_roundingfn): Likewise.
1171         (expand_builtin): Likewise.
1172         (integer_valued_real_p): Likewise.
1173         (fold_builtin_int_roundingfn): Likewise.
1174         (fold_builtin_bitop): Likewise.
1175         (fold_builtin_logarithm): Likewise.
1176         (fold_builtin_1): Likewise.
1177         * convert.c (convert_to_integer): Likewise.
1178         * fold-const.c (negate_mathfn_p): Likewise.
1179         (tree_expr_nonnegative_p): Likewise.
1180
1181 2005-11-30  Dale Johannesen  <dalej@apple.com>
1182             Andrew Pinski  <pinskia@physics.uc.edu>
1183
1184         * combine.c (find_split_point):  Sign extend bitmask
1185         when changing bitfield assignment to IOR of AND.
1186
1187 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1188
1189         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1190         clobber to scratch reg.
1191         (*decrement_and_branch_until_zero_no_clobber): Remove.
1192         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1193         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1194         * config/ms1/ms1.opt (mmul): Remove.
1195         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1196         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1197
1198 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1199             Bernd Schmidt  <bernd.schmidt@analog.com>
1200
1201         * pa/predicates.md (symbolic_operand): Add comment.
1202         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1203         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1204         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1205         (pa_secondary_reload_class): Delete.
1206         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1207         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1208         copy of symbolic operand.
1209         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1210
1211 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1212
1213         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1214         jump.
1215
1216 2005-11-30  Jeff Law  <law@redhat.com>
1217
1218         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1219         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1220
1221 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1222
1223         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1224         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1225         (ia64_expand_move): Adjust caller.
1226
1227         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1228         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1229         negate VAL.
1230
1231 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1232
1233         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1234         Always produce an output if we can remove NEGs or canonicalize
1235         (minus (minus ...)) expressions.  Provide a fast path for the
1236         two-operand case.
1237         (simplify_gen_binary): Do not call simplify_plus_minus.
1238         (simplify_binary_operation_1): Reassociate at the end of the
1239         function.
1240
1241 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1242
1243         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1244         moves and unpack to speed up.
1245
1246 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1247
1248         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1249         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1250         (gen_v9_scc): Update callers.
1251         * config/sparc/sparc.md: Likewise.
1252         * config/sparc/sparc-protos.h: Update extern declaration.
1253
1254         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1255
1256 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1257
1258         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1259         the if.
1260
1261 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1262
1263         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1264         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1265         (negate_expr): Here.
1266
1267 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1268
1269         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1270         Fix typo in comment.
1271
1272 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1273
1274         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1275         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1276
1277 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1278
1279         PR middle-end/20109
1280         PR middle-end/25120
1281         * builtins.c (init_target_chars): New.
1282         (expand_builtin_printf, expand_builtin_fprintf,
1283         expand_builtin_sprintf, fold_builtin_sprintf,
1284         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1285         fold_builtin_snprintf_chk, fold_builtin_printf,
1286         fold_builtin_fprintf): Check for matching format strings using
1287         the target charset.
1288
1289 2005-11-29  Paul Brook  <paul@codesourcery.com>
1290
1291         * config.gcc: Do not use fixproto on m68k-elf.
1292
1293 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1294
1295         * expmed.c (div_cost): Replace with...
1296         (sdiv_cost, udiv_cost): New.
1297         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1298         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1299         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1300         (expand_divmod): Replace use of div_cost with either sdiv_cost
1301         or udiv_cost depending upon the signedness of the operation.
1302
1303 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1304
1305         PR libfortran/24991
1306         * config/darwin.c (machopic_indirection_name,
1307         machopic_output_indirection): Follow transparent alias chain.
1308
1309 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1310
1311         * varasm.c (ultimate_transparent_alias_target): Add comment.
1312
1313 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1314
1315         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1316         SET_SRC instead of XEXP where appropriate.
1317
1318 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1319
1320         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1321         __builtin_expect.
1322
1323 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1324
1325         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1326         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1327         bit at a time.
1328
1329 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1330
1331         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1332         secondary_input_reload_class, made static.  Adapt to new
1333         infrastructure.
1334         (secondary_output_reload_class): Delete.
1335         (TARGET_SECONDARY_RELOAD): New macro.
1336         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1337         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1338
1339 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1340
1341         PR c++/21166
1342         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1343         when its natural alignment is > BITS_PER_UNIT.
1344         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1345         * c-common.c (handle_packed_attribute): Ignore packing on a field
1346         whose type is naturally char aligned.
1347
1348 2005-11-28  Richard Guenther  <rguenther@suse.de>
1349
1350         * c-common.c (strict_aliasing_warning): Handle all
1351         component-ref like accesses.
1352
1353 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1354             Uros Bizjak  <uros@kss-loka.si>
1355
1356         PR middle-end/20219
1357         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1358         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1359         when flag_unsafe_math_optimizations is set and
1360         we don't care about NaNs or Infinities.
1361
1362         Move x/expN(y) and x/pow(y,z) transformation into common
1363         flag_unsafe_math_optimizations section.
1364
1365 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1366
1367         * gcc.c (main): Change type of argv to "char **".
1368
1369 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1370
1371         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1372         small data sections.
1373         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1374         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1375         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1376         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1377         output locals to sbss if !rs6000_elf_in_small_data_p.
1378         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1379
1380 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1381
1382         PR target/24997
1383         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1384         generated by reload.
1385         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1386         indexed_or_indirect_address.
1387         (indexed_or_indirect_address): Don't test for base reg.  Call
1388         address_operand last.  Make it a special predicate.
1389
1390 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1391
1392         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1393
1394 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1395
1396         PR middle-end/24575
1397         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1398         is undefined.
1399         (negate_expr): Likewise.
1400
1401 2005-11-27  Andreas Schwab  <schwab@suse.de>
1402
1403         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1404         redundant parens.
1405
1406 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1407
1408         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1409         has EH predecessor edges.
1410
1411 2005-11-26  Eric Christopher  <echristo@apple.com>
1412
1413         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1414         register stalls by zero extending to the full register.
1415
1416 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1417
1418         * config/floatunsisf.c, config/floatunsidf.c,
1419         config/floatunsixf.c, config/floatunsitf.c: New files.
1420         * config/ia64/t-hpux: Add floatunsitf.c.
1421         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1422         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1423
1424 2005-11-26  Richard Henderson  <rth@redhat.com>
1425
1426         * c-lex.c (pragma_lex): Rename from c_lex.
1427         * c-pch.c: Update for pragma_lex rename.
1428         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1429         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1430         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1431         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1432         * doc/tm.texi: Likewise.
1433
1434 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1435
1436         PR middle-end/23669
1437         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1438         when overflow is undefined.
1439
1440 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1441
1442         * doc/md.texi (Insn Canonicalizations): Refer to the
1443         function commutative_operand_precedence for further rules.
1444
1445 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1446
1447         PR middle-end/21309
1448         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1449         is less than zero.  Limit mult_cost to a reasonable upper bound for
1450         the synthetic multiplication sequence.
1451
1452 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1453
1454         PR middle-end/25022
1455         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1456         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1457         Lookup the explicit replacement functions for any unlocked
1458         stdio builtin transformations.
1459
1460 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1461
1462         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1463         earlyclobber.
1464         * targhooks.c (default_secondary_reload): Don't require operand 2
1465         for an input reload to be earlyclobber.
1466
1467 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1468
1469         * fold-const.c (negate_mathfn_p): Fix comment and add support
1470         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1471         BUILT_IN_ATANH.
1472
1473 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1474
1475         PR middle-end/24998
1476         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1477         _Q_ulltoq for unsigned conversions from SImode and DImode to
1478         TFmode.
1479
1480 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1481
1482         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1483         (__floatundidf, __floatundisf): Likewise.
1484
1485 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1486
1487         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1488         (rs6000_override_options): Remove initialization of
1489         rs6000_sr_alias_set.
1490         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1491         (rs6000_emit_stack_tie): Same.
1492         (emit_frame_save): Same.
1493         (gen_frame_mem_offset): Same.
1494         (rs6000_emit_prologue): Same.
1495         (rs6000_emit_epilogue): Same.
1496
1497 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1498
1499         PR middle-end/24989
1500         * fold-const.c (fold_build): Convert bool_var != 1 and
1501         bool_var == 0 to !bool_var.
1502
1503 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1504
1505         PR middle-end/24990
1506         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1507         for C being INTEGER_CST.  Likewise for !=.
1508
1509 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1510
1511         PR middle-end/24998
1512         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1513         unsigned conversions from SImode to TFmode.
1514
1515 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1516
1517         * expr.c (expand_expr_real_1): Fix error in last change.
1518
1519 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1520
1521         * caller-save.c: (this_insn_sets): Move into:
1522         (save_call_clobbered_regs).
1523         (mark_set_regs): Get this_insn_sets from data.
1524
1525         (save_call_clobbered_regs): Take sets of the return value by
1526         sibcalls into account.
1527
1528 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1529         PR target/21623:
1530
1531         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1532         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1533         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1534         (memory_move_secondary_cost, init_reg_autoinc): Remove
1535         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1536         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1537         secondary_reload_class call.
1538         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1539         callers.
1540         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1541         (push_secondary_reload): Use secondary_reload target hook.
1542         (secondary_reload_class, scratch_reload_class): New functions.
1543         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1544         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1545         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1546         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1547         (secondary_reload_class, scratch_reload_class): Declare.
1548         * reload1.c: Include target.h.
1549         (reload_adjust_reg_for_temp): New function.
1550         (reload_adjust_reg_for_icode): Likewise.
1551         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1552         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1553         call.
1554         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1555         for inheritance.  Support case when both secondary & tertiary reloads
1556         are for intermediate registers.
1557         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1558         with secondary_reload_class call.  Support case when both secondary
1559         & tertiary reloads are for intermediate registers.
1560         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1561         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1562         * target.h (secondary_reload_info): New struct / typedef.
1563         (struct gcc_target): New member secondary_reload.
1564         * targhooks.c Include reload.h, optabs.h and recog.h.
1565         (default_secondary_reload): New function.
1566         * targhooks.h (default_secondary_reload): Declare.
1567         * doc/tm.texi: Document secondary_reload target hook.  Update
1568         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1569         * doc/md.texi: Likewise.
1570
1571         * sh-protos.h (sh_secondary_reload): Declare.
1572         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1573         (sh_secondary_reload): New function.
1574         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1575         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1576         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1577         (HAVE_SECONDARY_RELOADS): Define.
1578         * sh.md (reload_indf): Rename to:
1579         (reload_indf__frn).
1580         (reload_outdf): Rename to:
1581         (reload_outdf__RnFRm).
1582         (reload_insf): Rename to:
1583         (reload_insf__frn).
1584         (reload_insi): Rename to:
1585         (reload_insi__i_fpul).
1586
1587 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1588
1589         * configure.ac: Require at least texinfo 4.4.
1590         * configure: Regenerate.
1591
1592         * doc/install.texi (Tools/packages necessary for building GCC):
1593         Update required version of texinfo to at least 4.4.
1594         (Installing GCC: Building): Update required version of texinfo
1595         to at least 4.4.
1596         (Installing GCC: Final installation): Update required version
1597         of texi2dvi to at least 4.4.
1598         (Host/target specific installation notes for GCC): Update required
1599         version of texinfo to at least 4.4.
1600
1601 2005-11-24  Richard Guenther  <rguenther@suse.de>
1602         Dirk Mueller <dmueller@suse.de>
1603
1604         PR c++/14024
1605         * c-common.h (strict_aliasing_warning): Declare.
1606         * c-common.c (strict_aliasing_warning): New function,
1607         split out from ...
1608         * c-typeck.c (build_c_cast): ... here.
1609
1610 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1611
1612         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1613         to order operands.
1614         (swap_commutative_operands_with_target): New.
1615
1616 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1617
1618         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1619         also when doing PRE, rather than only for global CPROP.
1620
1621 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1622
1623         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1624         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1625         formatting.
1626         (expand_twoval_unop): Likewise.
1627         (widen_clz): Likewise.
1628         (expand_parity): Likewise.
1629         (expand_unop): Likewise.
1630         (emit_cmp_and_jmp_insn_1): Likewise.
1631         (prepare_float_lib_cmp): Likewise.
1632
1633 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1634
1635         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1636         Remove unused `class' variable.
1637
1638 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1639
1640         PR c++/21667
1641         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1642         C/C++ diagnostic function warn_array_subscript_with_type_char.
1643         * c-common.h (warn_array_subscript_with_type_char): Declare.
1644         * c-common.c (warn_array_subscript_with_type_char): Define.
1645
1646 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1647
1648         PR c/21668
1649         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1650         compiling at the intersection of C and C++.
1651
1652 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1653
1654         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1655         List @file in the option summary.  Include the libiberty
1656         documentation for @file.
1657         * gcc.c (main): Call expandargv.
1658         * Makefile.in (gcc-vers.texi): Define srcdir.
1659
1660 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1661
1662         * passes.c (init_optimization_passes): Document
1663         sequencing of passes.
1664
1665 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1666
1667         * config/m68k/predicates.md (pcrel_address, extend_operator,
1668         post_inc_operand, pre_dec_operand): Remove redundant
1669         conditionals.
1670         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1671         instead of abort.
1672         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1673
1674 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1675
1676         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1677
1678 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1679
1680         Preparatory work for PR target/21623:
1681         * alpha.c (secondary_reload_class): Rename to:
1682         (alpha_secondary_reload_class).
1683         * alpha.h, alpha-protos.h: Likewise.
1684         * mn10300.c (secondary_reload_class): Rename to:
1685         (mn10300_secondary_reload_class).
1686         * mn10300.h, mn10300-protos.h: Likewise.
1687         * pa.c (secondary_reload_class): Rename to:
1688         (pa_secondary_reload_class).
1689         * pa.h, pa-protos.h: Likewise.
1690         * rs6000.c (secondary_reload_class): Rename to:
1691         rs6000_secondary_reload_class.
1692         * rs6000.h, rs6000-protos.h: Likewise.
1693
1694 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1695
1696         PR middle-end/22561
1697         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1698
1699 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1700
1701         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1702         a mode_class.
1703         (prepare_cmp_insn): Likewise.
1704
1705 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1706
1707         PR target/23435
1708         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1709         if both operands[0] and operands[1] are memory.
1710
1711 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1712
1713         PR middle-end/23606
1714         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1715         COMPARISON_CLASS_P and an integral types create create a new
1716         expression with the new type and fold that.
1717
1718 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1719
1720         PR target/24988
1721         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1722         to SUBTARGET_OS_CPP_BUILTINS.
1723
1724 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1725
1726         * arm.c (emit_set_insn): New function.
1727         (arm_split_constant): Call it.
1728         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1729         (arm_legitimize_address): Likewise.  Use plus_constant.
1730         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1731         (thumb_expand_prologue): Likewise.
1732         (arm_gen_load_multiple): Use VOIDmode in SET.
1733         (arm_gen_store_multiple): Likewise.
1734         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1735         (emit_multi_reg_push): Likewise.
1736         (emit_sfm): Use plus_constant.
1737
1738 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1739
1740         PR target/24954
1741         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1742         typo last change.
1743
1744 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1745
1746         PR middle-end/24950
1747         * expmed.c (store_bit_field): Don't attempt to insv a field
1748         larger than the reg.
1749
1750 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1751
1752         PR target/24954
1753         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1754         explicit sign extension, not a (char) cast.
1755
1756 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1757
1758         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1759         GET_MODE_CLASS (x) == MODE_FLOAT.
1760         * config/i386/i386.c: Likewise.
1761         * config/rs6000/xcoff.h: Likewise.
1762         * config/rs6000/linux64.h: Likewise.
1763         * config/rs6000/rs6000.c: Likewise.
1764         * config/rs6000/rs6000.h: Likewise.
1765         * config/rs6000/predicates.md: Likewise.
1766         * config/rs6000/sysv4.h: Likewise.
1767
1768 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1769
1770         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1771         flag_pic is set.
1772
1773         * config/alpha/freebsd.h, config/alpha/linux.h,
1774         config/arm/linux-elf.h, config/bfin/bfin.h,
1775         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1776         config/i386/beos-elf.h, config/i386/gnu.h,
1777         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1778         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1779         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1780         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1781         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1782         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1783         config/sparc/linux.h, config/sparc/linux64.h,
1784         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1785
1786         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1787         are both defined when either flag -fpic or -fPIC are used.
1788
1789 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1790
1791         * config/fp-bit.c (clzusi): New function.
1792         (si_to_float, usi_to_float): Use it to compute proper shift.
1793         (usi_to_float): Preserve guard bits when shifting right.
1794         * libgcc-std.ver (GCC_4.2.0): New version.
1795         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1796         __floatundisf): New functions.
1797         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1798         __floatundisf): Declare.
1799         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1800         _floatundixf, and _floatunditf.
1801         * optabs.c (expand_float): If target does not define a pattern for
1802         signed or unsigned conversion, use an unsigned libcall instead of
1803         a signed one.
1804         (init_optabs): Initialize ufloat_optab.
1805
1806 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1807
1808         * config/rs6000/rs6000.opt (mmulhw): New option.
1809         * doc/invoke.texi (-mmulhw): Document.
1810         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1811         for 405 and 440.
1812         * config/rs6000/rs6000.md: Add half-word multiply and
1813         multiply-accumulate instructions for 405 and 440.
1814
1815 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1816
1817         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1818         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1819         default now includes a linker group which makes the RTEMS one nest.
1820
1821 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1822
1823         * cse.c (fold_rtx): Typo fix.
1824         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1825
1826 2005-11-21  Richard Henderson  <rth@redhat.com>
1827
1828         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1829         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1830
1831         * c-tree.h (lookup_name): Move declaration ...
1832         * c-common.h (lookup_name): ... here.
1833         * config/darwin-c.c: Include c-common.h.
1834         * config/t-darwin: Update dependencies.
1835
1836 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1837
1838         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1839         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1840         * genopinit.c (gen_insn): Likewise.
1841         * reload.c (find_equiv_reg): Likewise.
1842         * loop.c (load_mems): Likewise.
1843         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1844         * cse.c (find_comparison_args, fold_rtx): Likewise.
1845         * dwarf2out.c (add_const_value_attribute): Likewise.
1846         * expr.c (convert_move): Likewise.
1847         * recog.c (general_operand, register_operand): Likewise.
1848         * reg-stack.c (replace_reg): Likewise.
1849         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1850         * c-common.c (handle_vector_size_attribute): Likewise.
1851         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1852         (simplify_binary_operation_1): Likewise.
1853         (simplify_const_binary_operation): Likewise.
1854         (simplify_relational_operation): Likewise.
1855         (simplify_const_relational_operation): Likewise.
1856         (simplify_immed_subreg): Likewise.
1857         * emit-rtl.c (gen_lowpart_common): Likewise.
1858         * expmed.c (expand_mult): Likewise.
1859         * stor-layout.c (layout_type): Likewise.
1860
1861 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1862
1863         PR target/24951
1864         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1865         cst2 only for SPE vectors.
1866
1867 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
1868
1869         PR target/24953
1870         * config/rs6000/predicates.md (vrsave_operation): Check
1871         UNSPEC_VOLATILE value.
1872
1873 2005-11-21  Jan Hubicka  <jh@suse.cz>
1874
1875         PR tree-optimization/24653
1876         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1877
1878 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1879
1880         * config/i386/predicates.md (ax_reg_operand): New predicate.
1881         (memory_displacement_only_operand): New predicate.
1882         * config/i386/i386.md ("modrm" attribute): Return 0 if one
1883         operand is AX register and the other operand is memory operand
1884         with displacement only.
1885
1886 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1887
1888         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1889         if we don't care about NaNs or Infinities.
1890
1891 2005-11-20  Ian Lance Taylor  <ian@airs.com>
1892
1893         PR rtl-optimization/24883
1894         * combine.c (combinable_i3pat): When checking whether the
1895         destination of i3 is used in i3, consider paradoxical subregs.
1896
1897 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
1898
1899         PR middle-end/20583
1900         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1901
1902 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
1903
1904         * combine.c (try_combine): Do not run subst on i1src and i2src in
1905         the case of generating a PARALLEL for a comparison.
1906
1907 2005-11-20  Richard Henderson  <rth@redhat.com>
1908
1909         PR 24931
1910         * tree-sra.c (struct sra_elt): Add all_no_warning.
1911         (struct sra_walk_fns) <use>: Add use_all argument.
1912         (sra_walk_expr): Pass it.
1913         (sra_walk_modify_expr): Likewise.
1914         (scalarize_ldst): Likewise.
1915         (scan_use): Update for new argument.
1916         (mark_no_warning): New.
1917         (scalarize_use): Use it.
1918
1919 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1920
1921         * expr.c (expand_expr_real): Use usmul_optab for widening
1922         signed * unsigned multiplies.
1923         * genopinit.c (optabs): Add usmul_widen_optab.
1924         * optabs.c (init_optabs): Likewise.
1925         * optabs.h (enum optab_index): Add OTI_usmul_widen.
1926         (usmul_widen_optab): Define.
1927         * config/bfin/bfin.md (usmulhisi3): New pattern.
1928
1929         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1930
1931 2005-11-20  Graham Stott <btinternet.com>
1932
1933         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1934
1935 2005-11-20  Andreas Schwab  <schwab@suse.de>
1936
1937         PR target/24757
1938         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1939         insn.
1940
1941 2005-11-19  Richard Henderson  <rth@redhat.com>
1942
1943         PR tree-opt/24665
1944         * tree-gimple.c (is_gimple_id): Export.
1945         * tree-gimple.h (is_gimple_id): Declare.
1946         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1947         (get_default_value): Use it.
1948         (maybe_fold_stmt_indirect): Likewise.
1949
1950 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
1951
1952         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1953         than VR1 or vice-versa.
1954
1955 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
1956
1957         PR middle-end/24912
1958         PR middle-end/24750
1959         * reload.c (find_reloads_address_1): Mention dependency on
1960         gen_reload.
1961         * reload1.c (gen_reload): For IN with an unary operation, try
1962         moving inner expression to OUT if trivial SET is not valid.
1963         Confirm that the result is valid.  Move common code block into...
1964         (emit_insn_if_valid_for_reload): New function.
1965
1966 2005-11-19  Richard Guenther  <rguenther@suse.de>
1967
1968         * fold-const.c (fold_indirect_ref_1): Make sure we fold
1969         ARRAY_REFs of constant strings.
1970
1971 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
1972
1973         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1974         fatal format string.
1975
1976 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
1977
1978         * combine.c (make_compound_operation): Swap operands of
1979         commutative operation if necessary before returning.
1980
1981 2005-11-19  Richard Guenther  <rguenther@suse.de>
1982
1983         PR middle-end/23294
1984         * fold-const.c (fold_plusminus_mult_expr): New function.
1985         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1986         cases, remove now unnecessary code.
1987
1988 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
1989
1990         * gensupport.c (old_preds): Rename to std_preds, add special field.
1991         (struct old_pred_table): Rename to struct std_pred_table, add special
1992         field.
1993         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1994         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1995         (init_predicate_table): Adjust, and set along the way whether a
1996         predicate is special.
1997
1998 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
1999
2000         * BASE-VER: Change to 4.2.0.
2001
2002 2005-11-18  James E Wilson  <wilson@specifix.com>
2003
2004         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2005         returning it.
2006
2007 2005-11-18  Mike Stump  <mrs@apple.com>
2008
2009         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2010         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2011         * c-decl.c (lookup_name_two) Remove.
2012         * c-tree.h (lookup_name_two): Remove.
2013         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2014         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2015         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2016         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2017
2018 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2019
2020         PR target/24914
2021         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2022         when not generating code to use that co-processor.
2023
2024 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2025
2026         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2027         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2028         these functions are now in tree-phinodes.c.
2029
2030 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2031
2032         * config/bfin/bfin.md (trap): New pattern.
2033
2034 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2035
2036         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2037         on types.
2038
2039         * expr.c (expand_expr_real): Don't call record_block_change unless
2040         ib_boundaries_block is non-null
2041
2042         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2043
2044         * fold-const.c (build_range_check): Use proper type for subtraction
2045         when merging lower bound.
2046
2047 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2048
2049         PR rtl-optimization/24497
2050         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2051         the copied insn.
2052
2053 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2054
2055         * tree-scalar-evolution.c (expression_expensive_p): New function.
2056         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2057
2058 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2059
2060         * config/bfin/crtlibid.s: New file.
2061
2062 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2063
2064         PR target/24348
2065         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2066         when not using sjlj exceptions.
2067         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2068         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2069         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2070         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2071         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2072         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2073         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2074         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2075         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2076         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2077         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2078         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2079         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2080         defines.
2081         * config/pa/hpux-unwind.h: New file.
2082
2083 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2084
2085         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2086         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2087         * varasm.c (do_assemble_alias): Adjust call.
2088         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2089         is defined.
2090         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2091
2092 2005-11-17  James E Wilson  <wilson@specifix.com>
2093
2094         * tree.def (FUNCTION_DECL): Correct typo in comment.
2095
2096 2005-11-17  Richard Henderson  <rth@redhat.com>
2097
2098         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2099         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2100         and DW_CFA_def_cfa_sf.
2101         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2102         (dbx_reg_number): Don't assert particular registers here.
2103         (based_loc_descr): ... do it here instead.  Fold in ...
2104         (eliminate_reg_to_offset): ... this function.
2105         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2106         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2107         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2108         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2109         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2110         (instantiate_virtual_regs): Likewise.
2111         * var-tracking.c (adjust_stack_reference): Likewise.
2112         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2113
2114 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2115
2116         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2117         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2118         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2119         crtlibid.o.
2120         ($(T)crtlibid.o): New rule.
2121
2122 2005-11-16  Richard Guenther  <rguenther@suse.de>
2123
2124         PR middle-end/24851
2125         * fold-const.c (extract_array_ref): Return byte offset
2126         in all cases.
2127         (fold_binary): Fold &x[a] CMP &x[b] to
2128         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2129         behavior.
2130
2131 2005-11-16  Richard Henderson  <rth@redhat.com>
2132
2133         PR middle-end/23497
2134         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2135         parts of an SSA_NAME.
2136
2137 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2138
2139         PR target/24861
2140         * arm.md (split for movsf with immediate): Restrict split to insns
2141         that set a general register.
2142
2143 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2144
2145         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2146         uw_update_context.
2147         * unwind-dw2.c (uw_advance_context): Likewise.
2148         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2149         _Unwind_SjLj_Unregister.
2150         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2151
2152 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2153
2154         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2155
2156 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2157
2158         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2159         langhook to get a DImode integer type.
2160
2161 2005-11-16  Richard Henderson  <rth@redhat.com>
2162             J"orn Rennecke <joern.rennecke@st.com>
2163             Ulrich Weigand  <uweigand@de.ibm.com>
2164
2165         PR rtl-opt/24160
2166         PR target/24621
2167         * reload1.c (reg_equiv_invariant): New.
2168         (reload): Allocate, initialize, and free it.
2169         (calculate_needs_all_insns): Check it when skipping equivalence
2170         setting insns.
2171         (alter_reg): Likewise.
2172         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2173         may_use_invariant argument; only use reg_equiv_invariant when true.
2174         (eliminate_regs): New.
2175         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2176         a context for which may_use_invariant may be true.
2177
2178 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2179
2180         * fold-const.c (const_binop): Don't constant fold the operation
2181         if the result has overflowed and flag_trapping_math.
2182         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2183
2184 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2185
2186         * config/arm/unwind-arm.c (abort): Add prototype here.
2187         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2188         (struct phase1_vrs): Add prev_sp.
2189         (unwind_phase2_forced): Save the original core registers instead of
2190         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2191         and set action flags accordingly.  Always set _US_END_OF_STACK when
2192         get_eit_entry fails.  Unwind before calling the stop function.
2193         (_Unwind_GetCFA): New function.
2194         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2195         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2196         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2197         just call unwind_phase2_forced.
2198         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2199         * config/arm/unwind-arm.h (abort): Remove prototype.
2200         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2201         prototypes.
2202         (_Unwind_GetCFA): New prototype.
2203         * config/arm/pr-support.c (abort): Add prototype here.
2204         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2205         forced unwinding.
2206         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2207         not schedule the prologue with non-call exceptions and EABI.
2208
2209 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2210
2211         * config/arm/unwind-arm.h: Reorder interface function declarations.
2212         (_URC_END_OF_STACK): New enumeration value.
2213         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2214         (struct _Unwind_Control_Block): Document reserved field use.
2215         (_Unwind_Stop_Fn): New typedef.
2216         (_Unwind_ForcedUnwind): Declare.
2217         (_Unwind_Resume_or_Rethrow): Declare.
2218         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2219         argument.  Adjust.
2220         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2221         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2222         (UCB_FORCED_STOP_ARG): New.
2223         (search_EIT_table): Update boundary condition checks.
2224         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2225         (unwind_phase2): Replace for with do..while.
2226         (unwind_phase2_forced): New.
2227         (__gnu_Unwind_RaiseException): Replace for with do..while.
2228         (__gnu_Unwind_ForcedUnwind): New.
2229         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2230         Use appropriate phase2 unwinder.
2231         (__gnu_Unwind_Resume_or_Rethrow): New.
2232         (__gnu_unwind_pr_common): Cope with forced unwinding.
2233
2234 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2235
2236         PR target/24772
2237         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2238
2239         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2240         roundsf2): Remove "s" from mnemonic.
2241
2242 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2243
2244         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2245         __PIC__ is defined.
2246         * config/bfin/crtn.s: Change epilogues to match.
2247         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2248         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2249         __PIC__ and __pic__.
2250
2251 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2252
2253         PR 24357
2254         * doc/invoke.texi: Distinguish between free and fixed form instead of
2255         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2256         languages.
2257         * gcc.c (default_compilers): Remove double entries, add entries for
2258         suffixes '.F90' and '.F95'.
2259
2260 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2261
2262         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2263         in the stack probing loop.
2264
2265 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2266
2267         * configure.ac: Use .machine power5 not power5x.
2268         * configure: Regenerate.
2269
2270 2005-11-15  Mike Stump  <mrs@apple.com>
2271
2272         * c-decl.c (lookup_name_two): Add.
2273         * c-tree.h (lookup_name_two): Likewise.
2274         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2275         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2276
2277 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2278
2279         PR rtl-optimization/23392
2280         * regrename.c (enum scan_actions) Add mark_access.
2281         (scan_actions_name): Ditto.
2282         (scan_rtx_reg): Handle mark_access.
2283         (scan_rtx_address): Do nothing for mark_access.
2284         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2285         and regs in REG_INC notes before closing chains for dead regs.
2286         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2287         opening chains for new writes.
2288
2289 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2290
2291         * c.opt (ffixed-line-length-none): New.
2292
2293 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2294
2295         * mklibgcc.in: Change contents of eh_dummy.c.
2296
2297 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2298
2299         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2300
2301 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2302
2303         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2304         of making syscalls.
2305         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2306
2307 2005-11-15  Jan Hubicka  <jh@suse.cz>
2308
2309         * invoke.texi (large-unit-insns): Document.
2310         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2311         * params.def (large-unit-insns): New param.
2312
2313 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2314
2315         PR target/24869
2316         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2317         special register for operand 3.  Reindent constraints to align
2318         them vertically.
2319
2320 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2321
2322         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2323         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2324         * configure.ac: Add test for FP rounding instructions.
2325         * configure: Regenerate.
2326         * config.in: Regenerate.
2327         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2328         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2329         features enabled.
2330         * config/rs6000/rs6000.opt (mfprnd): New.
2331         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2332         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2333         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2334         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2335         (TARGET_FPRND): New.
2336         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2337         UNSPEC_FRIZ): New.
2338         (btrunc<mode>2): New.
2339         (ceil<mode>2): New.
2340         (floor<mode>2): New.
2341         (round<mode>2): New.
2342
2343 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2344
2345         * gcc.c (version_compare_spec_function): Use fatal() rather than
2346         abort().
2347
2348         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2349         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2350         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2351         as empty.
2352         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2353         link in crt2.o.
2354
2355         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2356         on -mmacosx-version-min setting.
2357
2358 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2359
2360         PR 24840
2361         * tree-vrp.c (infer_value_range): Return false if STMT is a
2362         block terminator and its basic block has no successors.
2363
2364 2005-11-14  Mike Stump  <mrs@apple.com>
2365
2366         * config/i386/i386.c (override_options): -masm=intel isn't
2367         supported on darwin.
2368         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2369
2370 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2371
2372         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2373         vfork after including auto-host.h.
2374
2375 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2376
2377         PR rtl-optimization/22002
2378         * combine.c (distribute_notes): Detect cases where a reg dies
2379         two or more times in a bb, including on the insn we are combining,
2380         and place the death note on the correct range.
2381
2382 2005-11-14  Dale Johannesen  <dalej@apple.com>
2383
2384         * expmed.c (store_bit_field):  Add offset unconditionally for
2385         memory targets.
2386         (extract_bit_field):  Don't force extzv or extv operand into
2387         a register if field is too big.
2388
2389 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2390
2391         * config/arm/arm.c (pic_labelno): New.
2392         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2393         LABEL_REF.  Pass only the labelno to PIC insns.
2394         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2395         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2396         * arm.md (UNSPEC_PIC_LABEL): New constant.
2397         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2398         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2399         Use the correct label prefix.
2400
2401 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2402
2403         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2404         REQ_EQUIV note.
2405
2406 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2407
2408         * loop-invariant.c: Include tm_p.h.
2409         * Makefile.in: Updated.
2410
2411 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2412
2413         * pa.c (store_reg): Revise generation of frame notes in large frames.
2414         (set_reg_plus_d): Likewise.
2415
2416 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2417
2418         PR tree-optimization/24709
2419         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2420         loop check.
2421
2422 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2423
2424         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2425         and duplicate declaration of pthread_self.
2426
2427 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2428             Ian Lance Taylor  <ian@airs.com>
2429
2430         PR middle-end/24003
2431         * calls.c (expand_call): If TARGET is a MEM and some part of the
2432         argument area has been saved, force TARGET to a register.
2433
2434 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2435
2436         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2437         checking.
2438
2439 2005-11-13  Jason Merrill  <jason@redhat.com>
2440
2441         PR c++/22489
2442         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2443         lazily declared methods.
2444         (force_decl_die): Stop if forcing out the context already make a
2445         DIE for the decl.
2446         (force_type_die): Likewise.
2447
2448 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2449
2450         PR middle-end/24820
2451         * builtins.c (integer_valued_real_p): Add break in
2452         REAL_CST having TREE_OVERFLOW set.
2453
2454 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2455
2456         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2457         addressing modes during calculation of costs.
2458
2459 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2460
2461         * function.c (assign_stack_local_1): Restrict sanity check
2462         on frame size overflow to 32-bit and above platforms.
2463
2464 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2465
2466         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2467         * config/cris/cris.c: Include reload.h.
2468         (cris_initial_elimination_offset): New function.
2469         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2470         Prototype.
2471
2472 2005-11-12  Richard Guenther  <rguenther@suse.de>
2473
2474         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2475
2476 2005-11-12  Jan Hubicka  <jh@suse.cz>
2477
2478         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2479         to compare against 0 when possible.
2480
2481 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2482
2483         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2484         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2485         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2486         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2487         in the new order.
2488
2489 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2490
2491         * recog.c (constrain_operands) <case 'g'>: For a match, require
2492         that a non-register matches general_operand when strict >= 0.
2493
2494 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2495
2496         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2497         previous checkin.
2498
2499 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2500
2501         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2502         (memory_address_same): New.
2503         (dse_optimize_stmt): Call memory_address_same.
2504
2505 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2506
2507         PR middle-end/24750
2508         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2509         ZERO_EXTEND>: New cases.
2510
2511 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2512
2513         * longlong.h (__clz_tab): Always provide.
2514
2515 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2516
2517         PR 24265
2518         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2519         can be assigned to.
2520         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2521         before check_maybe_invariant.
2522         (move_invariant_reg): Use gen_move_insn instead of replacing
2523         SET_DEST with the temporary for the invariant.
2524         (move_loop_invariants): If checking is enabled, do internal
2525         consistency checks after completing the pass.
2526
2527 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2528
2529         PR 24644
2530         * common.opt (Wvolatile-register-var): New.
2531         * varasm.c (make_decl_rtl): Only emit warning when option
2532         specified.  Clarify warning message.
2533         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2534
2535         * doc/md.texi (copysign): Document standard named pattern.
2536
2537 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2538
2539         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2540         bytes when align is 2.
2541         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2542         by the first instruction of the loop.
2543
2544 2005-11-11  Jason Merrill  <jason@redhat.com>
2545
2546         PR c++/24686
2547         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2548         the cleanup list.
2549
2550 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2551
2552         PR rtl-optimization/22509
2553         * local-alloc.c (memref_used_between_p): Check whether a function call
2554         could not reference the memref.
2555
2556 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2557
2558         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2559         algorithm so as to choose the best, not the worst, alternative.
2560         Reset accumulated register class before processing next alternative.
2561
2562 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2563
2564         PR target/24445
2565         * calls.c (expand_call): Copy a return value to a plain register
2566         if needed.
2567
2568 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2569
2570         PR target/24778
2571         * varasm.c (assemble_name): Recompute name only for transparent
2572         aliases.
2573
2574 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2575
2576         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2577
2578 2005-11-04  Jeff Law  <law@redhat.com>
2579
2580         PR middle-end/23181
2581         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2582         perform reassociation if the parent statement will not die as
2583         a result of the optimization.
2584
2585 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2586
2587         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2588         delete_old_heap_vars.
2589         * tree-dfa.c (referenced_var_remove): Remove function.
2590         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2591         (delete_tree_ssa): Remove call to delete_old_heapvars.
2592         Add call to delete_alias_heapvars.
2593         * tree-flow.h (referenced_var_remove): Remove prototype
2594         (init_alias_heapvars): New prototype.
2595         (delete_alias_heapvars): Ditto.
2596         * Makefile.in (tree-ssa-structalias.o): Add
2597         gt-tree-ssa-structalias.o
2598         (GTFILES): Add tree-ssa-structalias.h and
2599         tree-ssa-structalias.c.
2600         (s-gtype): Add gt-tree-ssa-structalias.h.
2601         * tree-ssa-structalias.c (heapvars): Remove.
2602         (oldheapvars): Remove.
2603         (heapvar_for_stmt): New variable.
2604         (heapvar_lookup): New function.
2605         (heapvar_insert): Ditto.
2606         (get_constraint_for): See if we have an old heapvar
2607         to reuse.
2608         (init_alias_heapvars): New function.
2609         (delete_alias_heapvars): Ditto.
2610         Add include of gt-tree-ssa-structalias.h.
2611
2612 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2613
2614         PR middle-end/22127
2615         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2616
2617 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2618
2619         * tree.c (int_fits_type_p): Only look at the base type
2620         if it has the same precision as the original type.
2621
2622 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2623
2624         PR other/4372
2625         * varasm.c (assemble_alias): Use %q+D in the error
2626         message instead of %J and %qD.
2627
2628 2005-11-10  Richard Guenther  <rguenther@suse.de>
2629
2630         * gcse.c (free_ldst_entry): Only free hashtable if
2631         it exists.
2632
2633 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2634
2635         * function.c (assign_stack_local_1): Issue an error message if
2636         the frame size overflows in the signed target arithmetics.
2637
2638 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2639
2640         * tree.c (build_qualified_type): Chain the new type to the original
2641         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2642         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2643         (build_pointer_type_for_mode): Only return unqualified types.
2644         (build_reference_type_for_mode): Likewise.
2645
2646 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2647
2648         * Makefile.in (gnucompare): Do comparison of all files using one of
2649         the chosen methods and only afterwards decide if just warning should
2650         be issued or comparison failure raised.
2651
2652 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2653
2654         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2655         (noce_try_abs): Negate if the comparison is reversed.
2656         Look only one instruction backwards for a REG_EQUAL note.
2657
2658 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2659
2660         PR other/4372
2661         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2662         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2663         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2664         and prefix all uses with __ghtrw.
2665
2666 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2667
2668         PR other/4372
2669         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2670         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2671         * c-common.c (handle_weakref_attribute): New.
2672         (c_common_attribute_table): Add weakref.
2673         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2674         in the assembler.
2675         * configure, config.in: Rebuilt.
2676         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2677         * doc/extend.texi: Document weakref attribute.
2678         * varasm.c (ultimate_transparent_alias_target): New
2679         (assemble_name): Use it.
2680         (weak_finish_1): Split out of...
2681         (weak_finish): ... and deal with weakrefs in...
2682         (weakref_targets): ... new list.
2683         (globalize_decl): Clean up weakref_targets.
2684         (do_assemble_alias): Handle weakrefs.
2685         (finish_aliases_1): Do not reject weakrefs to external symbols.
2686         (assemble_alias): Handle weakrefs.
2687
2688 2005-11-09  Richard Guenther  <rguenther@suse.de>
2689
2690         PR tree-optimization/24716
2691         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2692         t_bool to track results from follow_ssa_edge.
2693
2694 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2695
2696         * final.c (force_source_line): New global variable.
2697         (final_scan_insn): Set it to true instead of clearing last_filename.
2698         (notice_source_line): Return true if force_source_line is true,
2699         unless source info is absent.
2700
2701 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2702
2703         PR c/24644
2704         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2705         a linkage name for a variable if it a register variable.
2706         * c-decl.c (grokdeclarator): Global register variables
2707         should be set as PUBLIC.
2708
2709 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2710
2711         PR 24624
2712         * config/s390/s390.c (struct s390_frame_layout): New fields
2713         first_save_gpr_slot and last_save_gpr_slot.
2714         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2715         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2716         first_save_gpr and last_save_gpr with the _slot variants.
2717         (s390_register_info): Calculate first_save_gpr_slot and
2718         last_save_gpr_slot using regs_ever_live.
2719
2720 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2721
2722         PR 24623
2723         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2724         for a function containing a landing pad.
2725
2726 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2727
2728         PR 24034
2729         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2730         is live afterwards.
2731
2732 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2733
2734         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2735         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2736
2737 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2738
2739         Add ms2 support
2740         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2741         constants.
2742         (call,load,store): New insn types.
2743         (mem_access, branch_access): Adjust reservation conditions.
2744         (define_delay): Adjust condition.
2745         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2746         type.
2747         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2748         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2749         insn type.
2750         (call_internal, call_value_internal, return_internal,
2751         return_interrupt_internal, eh_return_internal, indirect_jump,
2752         tablejump): Set call insn type.
2753         (blockage, ei, di): Use appropriate unspec const.
2754         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2755         (ms1_get_attr_type): Adjust to give load & store types.
2756         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2757         backwards past a barrier.
2758         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2759         branch scheduling.
2760         (struct branch_info, struct label_info): New.
2761         (ms1_labels): New.
2762         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2763         (ms1_machine_reorg): New.
2764         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2765         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2766         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2767         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2768         (TARGET_MS2): New.
2769
2770 2005-11-09  Per Bothner  <per@bothner.com>
2771             Uros Bizjak  <uros@kss-loka.si>
2772
2773         PR c/24101
2774         * toplev.c (process_options): Initialize debug_hooks early
2775         in case lang_hooks.post_options ends up calling a debug_hook.
2776
2777 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2778
2779         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2780         DBX_REGISTER_NUMBER being contiguous.
2781
2782 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2783             Diego Novillo  <dnovillo@redhat.com>
2784
2785         PR 23046
2786         * tree-vrp.c (register_edge_assert_for): Do not register
2787         always-false predicates.
2788
2789 2005-11-08  Devang Patel <dpatel@apple.com>
2790
2791         PR tree-optimization/23115
2792         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2793         relation.
2794
2795 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2796
2797         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2798         -mcpu=440.
2799
2800 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2801
2802         Fix PR tree-optimization/23382
2803
2804         * tree-ssa-alias.c (compute_may_aliases): Call
2805         delete_old_heap_vars.
2806         * tree-dfa.c (referenced_var_remove): New function.
2807         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2808         * tree-flow.h (referenced_var_remove): Add prototype.
2809         (delete_old_heap_vars): Ditto.
2810         * tree-ssa-structalias.c (heapvars): New variable.
2811         (oldheapvars): Ditto.
2812         (get_constraint_for): Put heap vars on heapvars list.
2813         (delete_old_heap_vars): New function.
2814
2815 2005-11-08  Jason Merrill  <jason@redhat.com>
2816
2817         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2818
2819 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2820
2821         PR target/19340
2822         * reg-stack.c (reg_to_stack): Update register liveness also
2823         for flag_sched2_use_traces.
2824
2825 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2826
2827         PR target/23704
2828         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2829         override prior explicit -mno-powerpc-gfxopt.
2830
2831 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2832
2833         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2834         if the bitsize is zero.
2835         * doc/md.texi (Standard Pattern Names): Document it.
2836
2837         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2838         (TARGET_PASS_BY_REFERENCE): Likewise.
2839
2840 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2841
2842         PR rtl-optimization/24683
2843         * config/i386/i386.c (legitimize_pic_address): If constant operand
2844         to PLUS is too large, put it in a register.
2845
2846 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2847
2848         * configure.ac: Enable checking assembler dwarf2 support for bfin
2849         target.
2850         * configure: Regenerate.
2851
2852 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2853
2854         PR target/24230
2855
2856         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2857         gen_easy_vector_constant_add_self): Delete.
2858         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2859         New.
2860         (output_vec_const_move): Use gen_easy_altivec_constant.
2861         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2862         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2863         (easy_vector_constant_add_self): Rewritten.
2864         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2865         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2866         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2867         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2868         Macroize and adjust for the other changes.
2869
2870 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2871
2872         PR c/24599
2873
2874         * c-typeck.c (build_c_cast): Try using a shared constant, and see
2875         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2876
2877 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
2878
2879         PR rtl-optimization/23567
2880         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2881         (noce_process_if_block): Don't do any optimizations except
2882         if (cond) x = x; if !set_b and write into orig_x may trap
2883         or fault.  Remove the MEM_READONLY_P check.
2884
2885 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
2886
2887         PR 24670
2888         * tree-vrp.c (fix_equivalence_set): New.
2889         (extract_range_from_assert): Call it.
2890
2891 2005-11-05  Ian Lance Taylor  <ian@airs.com>
2892
2893         PR target/22432
2894         * combine.c (apply_distributive_law): Don't distribute across a
2895         vector mode subreg.
2896
2897 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
2898
2899         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2900         config/ms1/ms1.h, config/rs6000/predicates.md,
2901         config/s390/s390.c, params.def, postreload-gcse.c,
2902         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2903         tree-vrp.c, tree.c: Fix comment typos.
2904         * doc/invoke.texi: Fix typos.
2905
2906 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
2907
2908         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2909         for testing whether the data_dependence_relation contains distance
2910         vectors.  Iterate over all distance vectors of the ddr.
2911         * lambda.h: Define a vec of lambda_vector pointers.
2912         * tree-data-ref.c (dump_data_dependence_relation,
2913         dump_data_dependence_direction): Iterate over all distance and
2914         direction vectors of the ddr.
2915         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2916         DDR_DIST_VECTS.
2917         (build_classic_dist_vector, build_classic_dir_vector): Push a set
2918         of distance/direction vectors instead of a single one.
2919         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2920         lambda_vectors with a vec of lambda_vectors.
2921         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2922         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2923         DDR_NUM_DIST_VECTS): New.
2924         * tree-loop-linear.c (gather_interchange_stats): Test for the
2925         existence of distance vectors only after having checked that there
2926         is a dependence.  Iterate over all distance vectors of the ddr.
2927         (linear_transform_loops): Use dump_data_dependence_relation.
2928         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2929         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
2930         distance vectors of the ddr.
2931
2932 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2933
2934         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2935         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2936         IS_INTHANDLER; all callers changed.
2937         (n_regs_saved_by_prologue): Take interrupt handler attributes into
2938         account.
2939         (do_link, do_unlink): New argument ALL; all callers changed.
2940         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2941         If function isn't leaf, save and restore all registers.
2942         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2943         exception handler.
2944
2945 2005-11-05  Jan Hubicka  <jh@suse.cz>
2946
2947         PR rtl-optimization/23490
2948         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2949         max-flow-memory-location): Document.
2950         * flow.c: Include params.h
2951         (MAX_MEM_SET_LIST_LEN): Kill.
2952         (add_to_mem_set_list): Use new param.
2953         * cse.c (cse_basic_block): Replace 1000 by new param.
2954         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2955         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2956         * predict.c (predict_loops): Use new param.
2957         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2958
2959         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2960         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2961         Do not hold memory returned by cgraph_node_name across other call.
2962
2963 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
2964
2965         PR target/23424
2966         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2967         Disable.
2968
2969 2005-11-04  Jeff Law  <law@redhat.com>
2970
2971         PR/21883
2972         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2973         * tree-ssa-dom.c: Include params.h.
2974         (thread_across_edge): If there are too many statements in the
2975         target block, then do not thread through it.
2976         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2977         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2978
2979 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
2980
2981         PR 24627
2982         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2983         TODO_update_ssa instead of TODO_update_ssa_no_phi.
2984
2985 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
2986
2987         PR/18595
2988         * tree-scalar-evolution.c (instantiate_parameters_1,
2989         instantiate_parameters, resolve_mixers): Compute the size of an
2990         expression to be instantiated and give up the instantiation if the
2991         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2992
2993 2005-11-04  Richard Guenther  <rguenther@suse.de>
2994
2995         * tree-flow.h (ref_contains_indirect_ref): Rename to
2996         array_ref_contains_indirect_ref.
2997         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2998         (array_ref_contains_indirect_ref): Make comment match the code
2999         and vice-versa.
3000         (ref_contains_array_ref): Likewise.
3001         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3002         ref_contains_indirect_ref.
3003         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3004         Rename calls to ref_contains_indirect_ref.
3005
3006 2005-11-04 Paul Brook  <paul@codesourcery.com>
3007
3008         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3009         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3010         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3011         * config/arm/arm.md: Use match_operand in peephole input templates
3012         and match_dup in peephole output templates.
3013
3014 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3015
3016         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3017         __aeabi_uidiv.
3018
3019 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3020             Daniel Jacobowitz  <dan@codesourcery.com>
3021
3022         * longlong.h (add_ssaaaa): Clobber condition code register
3023         in ARM version.
3024         (sub_ddmmss): Likewise.
3025         (umul_ppmm): Likewise.
3026
3027 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3028             Paul Brook  <paul@codesourcery.com>
3029             Phil Blundell  <pb@reciva.com>
3030
3031         * configure.ac: Add test for ARM TLS support.
3032         * configure: Regenerated.
3033         * config/arm/arm-protos.h (legitimize_tls_address)
3034         (arm_tls_referenced_p, tls_mentioned_p)
3035         (arm_output_addr_const_extra): New prototypes.
3036         (thumb_legitimize_pic_address): Delete.
3037         * config/arm/arm.c: Include "gt-arm.h".
3038         (enum tls_reloc): New.
3039         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3040         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3041         (arm_call_tls_get_addr, legitimize_tls_address)
3042         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3043         (arm_init_tls_builtins, arm_emit_tls_decoration)
3044         (arm_output_addr_const_extra): New functions.
3045         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3046         (TARGET_HAVE_TLS): Define.
3047         (target_thread_pointer): New.
3048         (arm_override_options): Handle -mtp=.
3049         (legitimize_pic_address): Ignore UNSPECs.
3050         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3051         relative symbols.
3052         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3053         (tls_get_addr_libfunc): New variable.
3054         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3055         (arm_init_builtins): Call arm_init_tls_builtins.
3056         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3057         (arm_encode_section_info): Call default_encode_section_info.
3058         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3059         (enum arm_tp_type): New.
3060         (target_thread_pointer): Add declaration.
3061         (LEGITIMATE_CONSTANT_P): Handle TLS.
3062         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3063         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3064         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3065         * config/arm/arm.md: Add UNSPEC_TLS.
3066         (movsi): Handle TLS.
3067         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3068         non-PIC.
3069         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3070         (load_tp_hard, load_tp_soft): New insns.
3071         * arm.opt: Add -mtp=.
3072         * doc/invoke.texi (ARM Options): Document -mtp.
3073
3074 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3075
3076         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3077         * config/arm/libunwind.S: Include "lib1funcs.asm".
3078         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3079         (LIB2ADDEH): Add libunwind.S.
3080         (LIB2ADDEHDEP): Add lib1funcs.asm.
3081         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3082
3083 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3084
3085         PR fortran/18452
3086         * gcc/c.opt: Add a -lang-fortran option.
3087         * gcc/c-opts.c: Add a lang_fortran flag.
3088         (c_common_init_options): Handling the -lang-fortran option.
3089         (c_common_handle_option): Add a case for Fortran options in
3090         preprocessing. Remove cases for -ffixed-form and
3091         -ffixed-line-length. Add a case for -lang-fortran.
3092
3093 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3094
3095         * config/rs6000/rs6000.c: Include params.h
3096         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3097         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3098         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3099         (UNSPEC_VPKUWSS): Delete.
3100         (altivec_vpkuhss): Delete.
3101         (altivec_vpkuwss): Delete.
3102         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3103         final condition.
3104         (neg_eq0<mode>): Remove final condition.
3105         (neg_eq<mode>): Remove condition and split-condition.
3106
3107 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3108
3109         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3110         Use associated print macros.
3111
3112 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3113
3114         PR c++/17964
3115         * diagnostic.c (diagnostic_set_info_translated): New function.
3116         (diagnostic_set_info): Use it.  Add comment.
3117         * diagnostic.h (diagnostic_set_info_translated): Declare.
3118
3119 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3120
3121         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3122         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3123         reference only if 'public' is true.
3124         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3125         emit the .hidden directive only if the indirect reference is public.
3126         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3127         Pass it to dw2_force_const_mem.
3128         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3129         * dwarf2out.c (output_cfi): Adjust calls to above function.
3130         (output_call_frame_info): Likewise.
3131         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3132         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3133
3134 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3135
3136         PR tree-optimization/24483
3137         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3138         field to elts if possible.
3139
3140 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3141
3142         PR middle-end/23155
3143         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3144         CONSTRUCTOR.
3145
3146 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3147
3148         Fix PR tree-optimization/24351
3149
3150         * tree-ssa-structalias.c (struct variable_info): Add
3151         collapsed_into.
3152         (get_varinfo_fc): New function to follow collapsing.
3153         (new_var_info): Set collapsed_to to NULL.
3154         (dump_constraint): Follow collapsing.
3155         (build_constraint_graph): Handle collapsing.
3156         (do_simple_structure_copy): Return false if something bad
3157         happened.
3158         (collapse_rest_of_var): New function.
3159         (do_structure_copy): Collapse if do_simple_structure_copy returns
3160         false.
3161
3162 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3163
3164         PR middle-end/24589
3165         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3166         expressions to a statement list instead of gimplifying them.
3167
3168 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3169
3170         PR rtl-optimization/23585
3171         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3172         that can't trap plus a constant integer, if the mode has zero size.
3173
3174 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3175
3176         PR target/24620
3177         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3178         as operand 2.
3179         ("*insv<mode>_reg_extimm"): Likewise.
3180
3181 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3182
3183         PR c/24329
3184         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3185         c_common_type_for_mode returns an unnamed type.
3186
3187 2005-11-02  Richard Henderson  <rth@redhat.com>
3188
3189         PR target/9350
3190         PR target/24374
3191         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3192         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3193         * function.c (assign_parms): Use calls.internal_arg_pointer.
3194         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3195         code.
3196         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3197         (TARGET_CALLS): Add it.
3198         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3199         * targhooks.c (default_internal_arg_pointer): New.
3200         * targhooks.h (default_internal_arg_pointer): Declare.
3201         * tree.h (dwarf2out_reg_save_reg): Declare.
3202         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3203         * config/i386/i386.c (dbx_register_map): Add return column.
3204         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3205         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3206         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3207         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3208         (ix86_save_reg): Save force_align_arg_pointer.
3209         (ix86_emit_save_regs): Make regno unsigned.
3210         (ix86_emit_save_regs_using_mov): Likewise.
3211         (ix86_expand_prologue): Handle force_align_arg_pointer.
3212         (ix86_expand_epilogue): Likewise.
3213         * config/i386/i386.h: (dbx_register_map): Update.
3214         (dbx64_register_map, svr4_dbx_register_map): Update.
3215         (struct machine_function): Add force_align_arg_pointer.
3216         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3217         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3218         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3219
3220 2005-11-02  Jan Hubicka  <jh@suse.cz>
3221
3222         PR target/23303
3223         * i386.md: Add peep2 for simplyfing array accesses.
3224
3225 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3226
3227         PR target/24615
3228         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3229         * config/s390/s390.c (s390_decompose_shift_count): New function.
3230         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3231         (print_shift_count_operand): Use s390_decompose_shift_count.
3232         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3233         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3234
3235 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3236
3237         PR target/24600
3238         * loop.c (loop_givs_rescan): Use force_operand to expand
3239         complex GIVs.
3240
3241 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3242
3243         PR 22429
3244         * fold-const.c (build_range_check): Use unsigned when signed
3245         overflow is undefined also.  If etype is subtype, make sure that
3246         the subtraction is in the supertype.
3247
3248 2005-11-02  Richard Henderson  <rth@redhat.com>
3249
3250         PR target/24178
3251         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3252         by MEM_ALIGN.
3253
3254 2005-11-01  Richard Henderson  <rth@redhat.com>
3255
3256         PR 21518
3257         * loop.c (scan_loop): Do not propagate computations to a hard
3258         register destination with SMALL_REGISTER_CLASSES.
3259
3260 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3261
3262         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3263         costs for MULT inside PLUS or MINUS.
3264
3265 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3266
3267         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3268         (TRAMPOLINE_SIZE): Round up to 60.
3269         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3270
3271 2005-10-31  James E. Wilson  <wilson@specifix.com>
3272
3273         PR debug/24444
3274         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3275         ifdef.  Put ifdefs around call in gen_subprogram_die.
3276         (compute_frame_pointer_to_cfa_displacement): Likewise.
3277         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3278         not defined.
3279
3280         PR rtl-optimization/17356
3281         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3282         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3283
3284 2005-10-31  Jan Hubicka  <jh@suse.cz>
3285
3286         PR middle-end/24093
3287         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3288
3289         PR target/20928
3290         * i386.c (legitimize_pic_address): Deal with large immediates.
3291
3292         PR profile/20815
3293         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3294         from symbol names while computing checkup.
3295
3296         PR profile/24487
3297         * predict.c (predict_loops): Do not estimate more than
3298         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3299         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3300
3301 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3302
3303         PR tree-optimization/19097
3304         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3305
3306 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3307
3308         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3309
3310 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3311
3312         PR middle-end/23492
3313         * tree-inline.c (setup_one_parameter): If the init_stmt
3314         is NULL, don't insert the statement.
3315
3316 2005-10-30  Jan Hubicka  <jh@suse.cz>
3317
3318         PR tree-optimization/24172
3319         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3320
3321 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3322
3323         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3324         constants for hosts with long != 32 bits.
3325
3326 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3327
3328         PR middle-end/24093
3329         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3330
3331 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3332
3333         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3334         (TARGET_MS1_16_002): New.
3335         (TARGET_MS1_16_003): New.
3336
3337         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3338         ("*decrement_and_branch_until_zero_no_clobber"): New.
3339         Add corresponding splitter for decrement_and_branch_until_zero
3340         instruction.
3341         Key all decrement_and_branch_until_zero patterns off of
3342         TARGET_MS1_16_003.
3343
3344 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3345
3346         PR middle-end/24362
3347         * tree-complex.c (extract_component): Treat RESULT_DECL
3348         like the rest of the decls.
3349
3350 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3351
3352         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3353         indirect call to _mcount if the function needs a static chain.
3354
3355 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3356             Caroline Tice  <ctice@apple.com>
3357
3358         PR rtl-optimization/24460
3359         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3360         (dwarf2out_switch_text_section): Set it to true instead of
3361         incrementing separate_line_info_table_in_use.
3362         (output_loc_list): Additionally test have_switched_text_sections.
3363         (output_ranges): Likewise.
3364         (dwarf2out_finish): Likewise.
3365         * varasm.c (assemble_start_function): Do not call
3366         insert_section_boundary_note.
3367         (assemble_end_function): If flag_reorder_blocks_and_partition,
3368         switch to the function's section before emitting the .size directive.
3369         * bb-reorder.c (insert_section_boundary_note): Staticify.
3370         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3371         * output.h (insert_section_boundary_note): Delete.
3372
3373 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3374
3375         PR c/23103
3376         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3377         instead of pointer equality when comparing types.
3378
3379 2005-10-24  James E. Wilson  <wilson@specifix.com>
3380
3381         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3382         add_dependence_list_and_free calls.
3383
3384 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3385
3386         * contrib.texi: Add the names of the LLNL folks who donated
3387         Cray pointer support for gfortran.
3388
3389 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3390
3391         PR tree-optimization/24225
3392         * profile.c (branch_prob): Look from end to start through a
3393         basic block when looking for a locus.
3394
3395 2005-10-24  Richard Henderson  <rth@redhat.com>
3396
3397         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3398         parallel.
3399         (hppa_expand_prologue): Likewise.
3400
3401 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3402
3403         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3404         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3405         * pa.h (NO_PROFILE_COUNTERS): Define.
3406         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3407         (funcdef_nos): New vector to hold label numbers of deferred profile
3408         counters.
3409         (output_deferred_profile_counters): New function.
3410         (hppa_profile_hook): Push label number onto funcdef_nos.
3411         (pa_hpux_file_end): Call output_deferred_profile_counters if
3412         NO_DEFERRED_PROFILE_COUNTERS is false.
3413
3414         * pa-protos.h (get_deferred_plabel): New prototype.
3415         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3416         Make global.
3417         (output_call): Adjust calls.
3418
3419 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3420
3421         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3422         peculiarity of GOT/TOC section usage.
3423
3424 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3425
3426         PR objc/24435
3427          * c-common.c (constant_string_class_name): Add documentation.
3428
3429 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3430
3431         PR target/23832
3432         * recog.c (peephole2_optimize): Increment peep2_current_count
3433         only when the slot is empty.
3434
3435 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3436
3437         PR ada/23957
3438         * except.c (output_function_exception_table): Call
3439         assemble_external_libcall if we need a personality function.
3440
3441 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3442
3443         PR rtl-optimization/24460
3444         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3445         set the basic block for barriers.
3446
3447 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3448
3449         * var-tracking.c (vt_initialize): Initialize post.
3450
3451 2005-10-21  Devang Patel  <dpatel@apple.com>
3452
3453         PR/24220
3454         * c-common.c (vector_types_convertible_p): Check vector element type.
3455
3456 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3457
3458         * config/sh/sh.c (prepare_move_operands): Handle the address
3459         constant which is a tls symbolic address plus a constant.
3460
3461 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3462
3463         PR driver/24473
3464         * gcc.c (main): Use the correct counter for erroring out
3465         about mulitple files.
3466
3467 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3468
3469         PR target/24465
3470         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3471         use r2 for 64-bit tls .got access.
3472
3473 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3474
3475         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3476         TRUTH_OR_EXPR.
3477
3478 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3479
3480         PR tree-optimization/24307
3481         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3482
3483 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3484
3485         PR middle-end/24295
3486         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3487         alias targets.
3488         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3489         is ready, stop marking functions, but still mark variables.
3490
3491 2005-10-20  Richard Guenther  <rguenther@suse.de>
3492
3493         PR c++/24439
3494         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3495         void type operands.
3496
3497 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3498
3499         PR rtl-optimization/23585
3500         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3501         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3502         (may_trap_p_1): New predicate extracted from...
3503         (may_trap_p): ... here.  Invoke may_trap_p_1.
3504         (may_trap_or_fault_p): New predicate.
3505         * rtl.h (may_trap_or_fault_p): Declare it.
3506         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3507         instead of may_trap_p.
3508         (steal_delay_list_from_fallthrough): Likewise.
3509         (fill_simple_delay_slots): Likewise.
3510         (fill_slots_from_thread): Likewise.
3511         * function.c (pad_to_arg_alignment): Rework comment about
3512         SPARC_STACK_BOUNDARY_HACK.
3513         * config/sparc/sparc.h: Likewise.
3514
3515 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3516
3517         * config/s390/s390.c (s390_expand_insv): New.
3518         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3519         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3520         ("icm_hi"): Remove mode attribute.
3521         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3522         Adjust all uses.
3523         ("*extracthi", "*extractqi"): Remove.
3524         (extv<mode>", "*extzv<mode>"): New.
3525         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3526         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3527
3528 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3529
3530         * cfgexpand.c (discover_nonconstant_array_refs_r,
3531         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3532         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3533         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3534         discover_nonconstant_array_refs.
3535
3536 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3537
3538         PR c/23228
3539         * c-decl.c (pop_scope): Don't warn about an unused variable
3540         if it is marked with TREE_NO_WARNING.
3541         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3542         somenow mismatch and olddecl is to be replaced.
3543
3544 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3545
3546         PR middle-end/23199
3547         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3548         whether registers live on the edge can be saved/restored.
3549
3550 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3551
3552         * config/sh/sh.c (fixup_mova): Skip notes.
3553
3554 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3555
3556         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3557         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3558         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3559         (s390_initial_elimination_offset): Likewise.
3560         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3561         register on TARGET_ZARCH targets.
3562         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3563         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3564         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3565         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3566
3567 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3568
3569         * config/s390/s390.md: Comment describing output modifiers updated.
3570         * config/s390/s390.c (print_operand): Likewise.
3571
3572 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3573
3574         * config/s390/s390.c (override_options): Added check for -mstack-size
3575         64k limitation.
3576         * doc/invoke.texi: Mention that limit in the documenation.
3577
3578 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3579
3580         PR #19672
3581         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3582
3583 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3584
3585         Fix PR tree-optimization/24231
3586
3587         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3588         (compute_avail): Ditto.
3589
3590 2005-10-18  Richard Henderson  <rth@redhat.com>
3591
3592         PR target/24428
3593         * config/i386/i386.c (legitimate_constant_p): Check
3594         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3595         if LABEL_REF.
3596         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3597         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3598         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3599         directly.
3600         (print_operand_address): Likewise.
3601         * config/i386/predicates.md (x86_64_immediate_operand): Test
3602         SYMBOL_REF_TLS_MODEL properly inside CONST.
3603         (x86_64_zext_immediate_operand): Likewise.
3604         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3605         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3606         * config/i386/i386-protos.h: Remove predicates.md entries.
3607
3608 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3609
3610         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3611         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3612
3613 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3614             Ian Lance Taylor <ian@airs.com>
3615
3616         PR middle-end/23522
3617         * fold-const.c (fold_widened_comparison): Do not allow range based
3618         constant folding when right operand cannot be unwidened.
3619
3620 2005-10-17  Richard Henderson  <rth@redhat.com>
3621
3622         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3623         with a memory clobber.
3624
3625 2005-10-17  James E Wilson  <wilson@specifix.com>
3626
3627         PR rtl-optimization/17356
3628         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3629         checking for EDGE_EH.
3630
3631 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3632
3633         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3634         the slot on an even boundary for any type with 16-byte alignment.
3635
3636 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3637
3638         PR target/23424
3639         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3640         after register allocation.
3641
3642 2005-10-17  DJ Delorie  <dj@redhat.com>
3643
3644         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3645         as frame related.
3646
3647 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3648
3649         PR c++/22551
3650         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3651         overflow flags.
3652
3653 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3654
3655         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3656         to 2 if it's already non-zero.
3657         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3658         is set and warn about it if flag_schedule_insns is 1.
3659
3660 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3661
3662         * config/crx/crx.md: Compare-and-branch instructions need to
3663         invalidate CC.
3664
3665 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3666
3667         PR target/24315
3668         * config/i386/i386.md (*pushdi2_rex64 splitter)
3669         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3670         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3671         flow2 pass only when (optimize > 0 && flag_peephole2).
3672
3673 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3674
3675         PR driver/22544
3676         * gcc.c (have_c): New static variable.
3677         (have_o): Likewise.
3678         (process_command): Remove declation of have_c.
3679         Set have_o to 1 when handling -o.
3680         (main): Add a fatel error if there are multiple
3681         files specified and -o and -c/-S is passed witout
3682         -combine or multiple languages.
3683
3684 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3685
3686         Fix PR tree-optimization/22444
3687         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3688         Assert that we don't hit something with subvars.
3689         (setup_pointers_and_addressables): Don't add things with subvars,
3690         because we'll already process the subvars for aliasing purposes.
3691
3692 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3693
3694         PR target/23424
3695         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3696         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3697         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3698         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3699         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3700         swapped, alternatives for the R constraint.
3701
3702         PR middle-end/24341
3703         * builtins.c (get_builtin_sync_mode): Make unlimited
3704         mode_for_size request.
3705
3706 2005-10-15  Richard Henderson  <rth@redhat.com>
3707
3708         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3709         (gimplify_expr): ... here.
3710         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3711         fb_lvalue in base expression.
3712
3713 2005-10-15  Richard Henderson  <rth@redhat.com>
3714
3715         PR 23714
3716         * builtins.c (expand_builtin_trap): Export.
3717         * expr.h (expand_builtin_trap): Declare.
3718         * expr.c (expand_assignment): Emit a trap for integral offsets
3719         from registers that weren't reduced to bitpos.
3720
3721         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3722         (mark_array_ref_addressable): Remove.
3723         * tree-flow.h (mark_array_ref_addressable): Remove.
3724         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3725
3726 2005-10-15  James E Wilson  <wilson@specifix.com>
3727
3728         PR target/24232
3729         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3730         (add_dependence_list_and_free): Likewise.
3731         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3732         call.
3733
3734 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3735
3736         PR 23141
3737         PR 23142
3738         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3739         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3740         anti-range.
3741         (vrp_visit_phi_node): Only prevent infinite iterations when
3742         the previous result and the new result are both VR_RANGEs.
3743
3744 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3745
3746         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3747         function comment.
3748
3749 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3750
3751         PR c/23439
3752         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3753         to initialize loc.
3754
3755 2005-10-14  Per Bothner  <per@bothner.com>
3756
3757         PR preprocessor/21250
3758         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3759
3760 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3761
3762         PR c++/22551
3763         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3764         overflow flags.  Refactor some conditionals.
3765
3766 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3767
3768         PR tree-opt/21304
3769         * tree-dfa.c (add_referenced_var): Only look at decls which
3770         have TREE_CONSTANT or TREE_READONLY set instead of if
3771         !TREE_PUBLIC or !TREE_CONSTANT.
3772
3773 2005-10-13  James E Wilson  <wilson@specifix.com>
3774
3775         * doc/invoke.texi: For -x, add f95-cpp-input.
3776         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3777
3778 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3779
3780         PR tree-optimization/24262
3781         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3782         in loop all the time.
3783
3784 2005-10-12  Richard Henderson  <rth@redhat.com>
3785
3786         PR c/24255
3787         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3788         * function.c (assign_parm_find_data_types): Don't support it.
3789         * print-tree.c (print_node): Likewise.
3790         * c-common.c (handle_transparent_union_attribute): Likewise.
3791         Use build_duplicate_type.
3792         * tree-inline.c (remap_type_1): Split out of remap_type;
3793         properly remap aggregate fields.
3794         (build_duplicate_type): New.
3795         * doc/extend.texi (Variable Attributes): Remove documentation
3796         for transparent_union.
3797
3798 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3799
3800         PR target/24284
3801         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3802         (gen_stack_pointer_dec): Likewise.
3803
3804 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3805
3806         PR middle-end/21275
3807         PR middle-end/21766
3808         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3809         target hook.
3810         (struct cxx): Add adjust_class_at_definition target hook.
3811         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3812         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3813         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3814         hook_void_tree. Add to TARGET_CXX.
3815         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3816         dllimport_flag.
3817         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3818         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3819         instead of attribute. Check for dllexport override.  Warn if
3820         inconsistent dll linkage. Don't lose old dllimport if decl has
3821         had address referenced.   Tweak lookup of dllimport atribute.
3822         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3823         for target specific rules.  Don't add dllimport attribute if
3824         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3825         dllimport attribute.
3826         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3827         * varasm.c (initializer_constant_valid_p): Replace
3828         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3829
3830         PR target/21801
3831         PR target/23589
3832         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3833         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3834         (i[34567]86-*-mingw32*): Likewise.
3835
3836         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3837         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3838
3839         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3840         C++-specific code. Change return value to bool.
3841         (i386_pe_dllimport_p): Likewise.
3842         (associated_type): Simplify and make language-independent
3843         (i386_pe_encode_section_info): Replace override of ambiguous
3844         dllimport symbol refs with a gcc_assert.
3845         (i386_pe_valid_dllimport_attribute_p): Define.
3846         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3847         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3848         i386_pe_adjust_class_at_definition.
3849         * config/i386/winnt-stubs.c: New file. Define stub versions of
3850         lang-specific functions.
3851         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3852         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3853         i386_pe_adjust_class_at_definition.
3854         (i386_pe_valid_dllimport_attribute_p): Declare.
3855         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3856         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3857         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3858
3859         PR target/19704
3860         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3861         dllimport attribute with test of DECL_DLLIMPORT_P.
3862
3863 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3864
3865         * combine.c (make_extraction): Correct offset computation.
3866
3867 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
3868
3869         * config/cris/t-linux (LIMITS_H_TEST): Define.
3870
3871 2005-10-12  Richard Henderson  <rth@redhat.com>
3872
3873         PR rtl-opt/23324
3874         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3875
3876 2005-10-12  Richard Guenther  <rguenther@suse.de>
3877
3878         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3879
3880 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
3881
3882         PR c++/19964
3883         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3884         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3885         type.
3886
3887 2005-10-12  Richard Guenther  <rguenther@suse.de>
3888
3889         PR c++/23799
3890         * varasm.c (output_constant): Correct typo from previous
3891         patch by DJ.
3892
3893 2005-10-11  Ian Lance Taylor  <ian@airs.com>
3894
3895         PR rtl-optimization/13931
3896         * combine.c: Revert patch of 2003-05-14, and:
3897         (try_combine): Only set elim_i1 and elim_i2 if the destination is
3898         completely killed in the appropriate insn.
3899         (distribute_notes): Don't skip multiple hard register test for
3900         elim_i1 and elim_i2.
3901
3902 2005-10-11  Richard Henderson  <rth@redhat.com>
3903
3904         PR c/24255
3905         * c-typeck.c (convert_for_assignment): Use build_constructor_single
3906         to initialize a transparent union instead of a nop_expr.
3907
3908 2005-10-11  Richard Henderson  <rth@redhat.com>
3909
3910         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3911         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3912         (tree_ssa_dce_loop): Call scev_reset.
3913
3914         PR tree-opt/24300
3915         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3916         * tree-ssa-dce.c: Include cfgloop.h.
3917         (tree_ssa_dce_loop, pass_dce_loop): New.
3918         * tree-pass.h (pass_dce_loop): Declare it.
3919         * passes.c (init_optimization_passes): Use it.
3920
3921 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3922
3923         PR middle-end/24263
3924         * convert.c (convert_to_real): Revert 2005-10-05 patch.
3925         Only apply the optimization for rounding builtins if the inner
3926         cast is also an extension.
3927
3928 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
3929
3930         PR tree-opt/23946
3931         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3932         mark_new_vars_to_rename instead of update_stmt.
3933
3934 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3935
3936         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3937
3938 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
3939
3940         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3941         for setting MMX register to 0 rather than mmx.
3942
3943 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
3944
3945         PR target/12098
3946         * configure.ac: Move gas check from mips specific case to common case.
3947         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3948         * configure: Regenerate
3949         * doc/install.texi: Update.
3950
3951 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3952
3953         PR target/24284
3954         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3955
3956 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
3957
3958         * gcc.c (do_spec_1): Accept numeric characters in file name
3959         suffixes.
3960
3961 2005-10-10  Nick Clifton  <nickc@redhat.com>
3962
3963         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
3964         describing the deleted arm_gen_rotated_half_load function.
3965
3966 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3967
3968         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3969         __fpscr_values.
3970
3971 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
3972
3973         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3974         gnu_ld assignments.
3975         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3976         (EXTRA_MULTILIB_PARTS): Define.
3977         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3978         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3979         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3980         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3981         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3982         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3983
3984 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
3985
3986         PR tree-optimization/24226
3987         * tree-cfg.c (remove_bb): Clean up unreachable loops.
3988         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3989         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3990         Export.
3991
3992 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3993
3994         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3995
3996 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
3997
3998         PR target/24136
3999         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4000         Rewrite for no need for the early clobber.
4001
4002 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4003
4004         Merge from csl-arm-branch:
4005         2005-09-07  Paul Brook  <paul@codesourcery.com>
4006         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4007         space to string.
4008
4009         2005-04-30  Paul Brook  <paul@codesourcery.com>
4010         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4011         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4012
4013         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4014         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4015         (arm_override_options): Use TARGET_AAPCS_BASED.
4016         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4017         (PTRDIFF_TYPE): Use int for AAPCS.
4018         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4019         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4020         (DEFAULT_SHORT_ENUMS): Delete.
4021         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4022
4023         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4024         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4025         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4026         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4027
4028         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4029         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4030
4031         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4032         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4033
4034         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4035         * config.gcc (arm*-*-linux-gnueabi): Add it.
4036         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4037         redefining it.
4038         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4039         * config/arm/linux-eabi.h: New file.
4040         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4041         (LINUX_TARET_LINK_SPEC): Likewise.
4042         (LINK_SPEC): Use it.
4043         * config/arm/t-linux-eabi: New file.
4044
4045 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4046
4047         PR other/22202
4048         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4049         spaces.
4050         (PARAM_SMS_DFA_HISTORY): Likewise.
4051
4052 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4053
4054         PR middle-end/23150
4055         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4056         (load_register_parameters): Call it.
4057         (check_sibcall_argument_overlap_1): Likewise.
4058         (store_one_arg): Likewise.
4059
4060 2005-10-07  James E. Wilson  <wilson@specifix.com>
4061
4062         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4063         DImode not VECINT24 for operand 2.
4064
4065         PR target/23644
4066         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4067         -mtune-arch.
4068
4069         PR target/24193
4070         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4071         fr_spill): Use destination_operand for operand 0.
4072
4073 2005-10-07  DJ Delorie  <dj@redhat.com>
4074
4075         * varasm.c (output_constant): Limit error to expanding
4076         conversions.
4077
4078 2005-10-07  Richard Guenther  <rguenther@suse.de>
4079
4080         PR middle-end/24227
4081         * fold-const.c (fold_binary): Fix operand types during folding
4082         of X op (A, Y).  Evaluation order of the side-effects of
4083         X and A are frontend-defined, so ensure we honour that even for
4084         tcc_comparison class operands; eased by removing duplicate code.
4085
4086 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4087
4088         * stor-layout.c (layout_type): Do not allow alignment of array
4089         elements to be greater than their size.
4090
4091 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4092
4093         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4094         host_xmake_file.
4095         (hppa*-*-linux*): Ditto.
4096         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4097         * config/host-hpux.c: New.
4098         * config/x-hpux: New.
4099         * config/pa/x-hpux: Remove.
4100         * config/pa/x-linux: Remove.
4101         * config/pa/pa-host.c: Remove.
4102
4103 2005-10-07  Jeff Law  <law@redhat.com>
4104
4105         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4106         determine whether or not to try and thread outgoing edges.
4107
4108 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4109
4110         * config/rs6000/rs6000.md (eqsi_power): New.
4111         (neg_eq0si): Add TARGET_POWER to final condition.
4112         (neg_eqsi): Same.
4113
4114 2005-10-06  Richard Henderson  <rth@redhat.com>
4115
4116         * config/rs6000/rs6000.c: Revert last change.
4117
4118 2005-10-06  Richard Henderson  <rth@redhat.com>
4119
4120         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4121         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4122
4123 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4124
4125         PR middle-end/22216
4126         PR middle-end/23651
4127         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4128         out return_label and naked_return_label.
4129
4130 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4131
4132         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4133         change.
4134
4135 2005-10-06  Richard Henderson  <rth@redhat.com>
4136
4137         PR tree-opt/22237
4138         * tree-inline.c (declare_return_variable): Handle modify_dest not
4139         being a DECL.
4140
4141 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4142
4143         Fix PR tree-optimization/22488
4144         * tree-ssa-structalias.c (check_for_overlaps): New function.
4145         (create_variable_info_for): Use it.
4146
4147 2005-10-06  Richard Henderson  <rth@redhat.com>
4148
4149         PR debug/24070
4150         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4151         (dwarf2out_start_source_file): Print it.
4152
4153 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4154
4155         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4156
4157 2005-10-06  Richard Henderson  <rth@redhat.com>
4158
4159         PR 23706
4160         * mode-switching.c (optimize_mode_switching): Clear transp bit
4161         for block with incomming abnormal edges.
4162
4163         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4164         (fpscr_set_from_mem): Use them.
4165         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4166         (fpscr postinc splitters): Rewrite as peephole2+split.
4167
4168 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4169
4170         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4171         (eq<mode>_compare): Same.
4172
4173 2005-10-06  Richard Guenther  <rguenther@suse.de>
4174
4175         PR tree-optimization/24238
4176         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4177
4178 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4179
4180         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4181         here.  Use AC_PATH_PROG for environment variables instead of
4182         test -x.
4183         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4184         objdump also.
4185         * configure: Regenerated.
4186
4187 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4188
4189         PR target/23783
4190         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4191         then force it into a register.
4192         (call_value): Likewise.
4193
4194 2005-10-06  Richard Henderson  <rth@redhat.com>
4195
4196         PR 24049
4197         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4198         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4199         under pass_vectorize.
4200
4201 2005-10-05  Devang Patel  <dpatel@apple.com>
4202
4203         PR Debug/23205
4204         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4205         handling constants. Check NAMESPACE_DECL context for constants.
4206
4207 2005-10-05  Eric Christopher  <echristo@apple.com>
4208
4209         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4210
4211 2005-10-05  Richard Henderson  <rth@redhat.com>
4212
4213         PR 23714
4214         * tree-cfg.c (mark_array_ref_addressable_1): New.
4215         (mark_array_ref_addressable): New.
4216         * tree-flow.h (mark_array_ref_addressable): Declare.
4217         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4218
4219 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4220
4221         PR middle-end/20606
4222         PR middle-end/24069
4223         * reload.c (subst_reloads): When adding a REG_LABEL to a
4224         jump instruction, also update JUMP_LABEL.
4225
4226 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4227
4228         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4229         * bb-reorder.c (copy_bb_p): Use it.
4230         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4231
4232 2005-10-05  Richard Henderson  <rth@redhat.com>
4233
4234         PR target/23602
4235         * toplev.c (process_options): Warn about unsupported combinations
4236         of unwind tables and omit-frame-pointer.
4237         * config/i386/i386.c (override_options): Similarly.  Enable
4238         accumulate-outgoing-args if not explicitly disabled.
4239
4240 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4241
4242         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4243         Handle big endian vs. small endian.
4244         (vec_initv2sf): Handle big endian vs. small endian.
4245         (*vec_extractv2sf_1): Ditto.
4246
4247 2005-10-05  Dale Johannesen  <dalej@apple.com>
4248
4249         * convert.c (convert_to_real):  Don't convert
4250         (float)floor(double d) to floorf((float)d).
4251
4252 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4253
4254         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4255
4256 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4257
4258         PR tree-optimization/18587
4259         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4260         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4261         build_vuses): Change to VEC type.
4262         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4263         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4264         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4265         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4266         (get_name_decl): New.  Return DECL_UID of base variable.
4267         (operand_build_cmp): New.  qsort comparison routine.
4268         (operand_build_sort_virtual): New.  Sort virtual build vector.
4269         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4270         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4271         (FINALIZE_BASE): Use get_name_decl.
4272         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4273         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4274         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4275         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4276         direct VEC_* manipulations.
4277         (build_ssa_operands): Call operand_build_sort_virtual.
4278         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4279         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4280         with direct VEC_* manipulations.
4281         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4282         with direct VEC manipulations.
4283
4284 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4285
4286         PR tree-optimization/21419
4287         PR tree-optimization/24146
4288         PR tree-optimization/24151
4289
4290         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4291         (build_asm_expr): Call it if outputs are read-only.
4292         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4293
4294 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4295             Paolo Bonzini  <bonzini@gnu.org>
4296
4297         PR target/23809
4298
4299         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4300         enable the instructions and not just the built-ins.
4301         * doc/invoke.texi (x86 Options): Likewise.
4302
4303 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4304
4305         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4306
4307         * doc/invoke.texi (Option Summary): Correct spelling
4308         of -mmacosx-version-min.
4309
4310 2005-10-04  Devang Patel  <dpatel@apple.com>
4311
4312         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4313         real types.
4314
4315 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4316
4317         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4318         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4319
4320 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4321
4322         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4323         ("TE","tg"): New mode attributes.
4324         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4325         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4326         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4327         dword_mode and one for GPRmode.
4328
4329 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4330
4331         PR preprocessor/13726
4332         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4333         any comments passed in.
4334
4335 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4336
4337         * tree.c (annotate_with_file_line): Fix typo.
4338
4339 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4340
4341         PR ada/19382
4342         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4343         type used to access data in the inlined length == 1 case, use
4344         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4345         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4346
4347 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4348
4349         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4350         TARGET_SSE3 and only for TARGET_80387.
4351         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4352         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4353         Do not depend on TARGET_80387.
4354
4355 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4356
4357         * tree.c (last_annotated_node): Change type to location_t*.
4358         (annotate_with_file_line): Reflect the change of
4359         last_annotated_node type.
4360
4361 2005-10-04  Richard Guenther  <rguenther@suse.de>
4362
4363         PR c/23576
4364         * c-decl.c (grokdeclarator): Don't write to fields
4365         of error_mark_node.
4366
4367 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4368
4369         PR middle-end/23125
4370         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4371         register variables.
4372         * varasm.c (make_decl_rtl): If a register variable does not
4373         have a set user assmbler name, error out.
4374         Decode the asmspec is now name+1 bypassing '*'.
4375
4376 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4377
4378         PR tree-optimization/23049
4379         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4380         of a COND_EXPR is folded before calling fold on the whole rhs of a
4381         conditional assignment.
4382         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4383         document that a COND_EXPR may appear there.
4384
4385 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4386
4387         PR 23445
4388         * tree-vrp.c (extract_range_from_assert): If the new numeric
4389         range created out of the assertion contradicts the existing
4390         numeric range of the ASSERT_EXPR variable, make the new range
4391         varying.
4392
4393 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4394
4395         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4396         from T_REGS to FP register class.
4397
4398 2005-10-03  Richard Henderson  <rth@redhat.com>
4399
4400         PR 24135
4401         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4402         before creating a new one.
4403
4404 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4405
4406         * config/rs6000/t-aix43 (LDFLAGS): New.
4407         * config/rs6000/t-aix52 (LDFLAGS): New.
4408
4409 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4410
4411         * gimplify.c (find_single_pointer_decl_1): New static function.
4412         (find_single_pointer_decl): New static function.
4413         (internal_get_tmp_var): For a formal variable, set restrict base
4414         information if appropriate.
4415         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4416         return it.
4417         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4418         (DECL_GET_RESTRICT_BASE): Define.
4419         (SET_DECL_RESTRICT_BASE): Define.
4420         (decl_restrict_base_lookup): Declare.
4421         (decl_restrict_base_insert): Declare.
4422         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4423         * tree.c (restrict_base_for_decl): New static variable.
4424         (init_ttree): Initialize restrict_base_for_decl.
4425         (copy_node_stat): Copy restrict base information.
4426         (decl_restrict_base_lookup): New function.
4427         (decl_restrict_base_insert): New function.
4428         (print_restrict_base_statistics): New static function.
4429         (dump_tree_statistics): Call print_restrict_base_statistics.
4430
4431 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4432
4433         PR 24142
4434         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4435         case of anti-ranges.
4436
4437 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4438
4439         PR c/18851
4440         * c-typeck.c (tagged_tu_seen): Rename to ...
4441         (tagged_tu_seen_cache): this and add val field.
4442         (comptypes): Move functional to comptypes_internal
4443         and free tagged_tu_seen.
4444         (comptypes_internal): New function and call comptypes_internal
4445         instead of comptypes. Speed up by sibcalling
4446         tagged_types_tu_compatible_p.
4447         (alloc_tagged_tu_seen): New function
4448         (free_all_tagged_tu_seen_up_to): New function.
4449         (tagged_types_tu_compatible_p): Return the val of the seen two
4450         types.
4451         Add that the two types are the same to tagged_tu_seen_base
4452         if they are and call comptypes_internal instead of comptypes.
4453         <case UNION_TYPE>: Speed up common type where the fields are
4454         in the same order.
4455         (function_types_compatible_p): Call comptypes_internal instead of
4456         comptypes.
4457         (type_lists_compatible_p): Likewise.
4458         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4459
4460 2005-10-02  Matthias Klose  <doko@debian.org>
4461
4462         * doc/invoke.texi: Fix typo and speling error.
4463
4464 2005-10-01  Richard Henderson  <rth@redhat.com>
4465
4466         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4467
4468 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4469
4470         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4471         using --start-group and --end-group.
4472
4473 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4474
4475         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4476         FIXME note regarding quirky semantics.
4477
4478 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4479
4480         PR 24141
4481         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4482         non-null range as a last resort.
4483
4484 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4485             Diego Novillo  <dnovillo@redhat.com>
4486
4487         PR 23604
4488         * tree-vrp.c (extract_range_from_assert): For !=
4489         assertions, only build an anti-range if LIMIT is a
4490         single-valued range.
4491
4492 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4493
4494         * arm.md (movqi): On thumb when optimizing, handle loading from
4495         memory by describing this as taking a subreg of a zero-extended load
4496         into an SImode register.
4497         (movhi): Likewise.
4498
4499 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4500
4501         * reload1.c (merge_assigned_reloads): Do not change any
4502         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4503
4504 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4505
4506         * Makefile.in (LIPO_FOR_TARGET): Define.
4507         (STRIP_FOR_TARGET): Define.
4508
4509         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4510         before creating new ones.  Do symlinks before creating the actual
4511         targets.
4512
4513         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4514         to work out which multilibs are actually being built.
4515
4516 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4517
4518         * tree-vect-transform.c, config/ms1/ms1.md,
4519         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4520         Follow spelling conventions.
4521         * doc/invoke.texi, doc/md.texi: Fix typos.
4522
4523 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4524
4525         PR tree-optimization/21430
4526         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4527         use operands, and set stmt pointer if need be.
4528         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4529         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4530         present.
4531
4532 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4533
4534         PR middle-end/24053
4535         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4536
4537 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4538
4539         * optabs.c (expand_binop): Initialize first_pass_p.
4540
4541 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4542
4543         PR middle-end/24109
4544         * c-decl.c (c_write_global_declarations_1): If any
4545         wrapup_global_declaration_2 call returned true, restart the loop.
4546
4547 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4548
4549         Fix PR tree-optimization/24117
4550         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4551         before considering whether to use anyoffset.
4552
4553 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4554
4555         Revert this patch:
4556
4557         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4558
4559         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4560         to order operands.
4561         (swap_commutative_operands_with_target): New.
4562
4563 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4564
4565         PR c/21419
4566         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4567         read-only.
4568
4569 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4570
4571         PR tree-optimization/23911
4572         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4573         and IMAGPART_EXPR too.
4574
4575 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4576
4577         PR 17886
4578         * expmed.c (expand_shift): Move logic to reverse rotation
4579         direction when  rotating by constants ...
4580         * optabs.c (expand_binop): ... here.
4581         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4582         (ix86_rotrdi3): New pattern.
4583         (rotldi3): Handle 32-bit mode.
4584         (ix86_rotldi3): New pattern.
4585
4586 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4587
4588         PR target/24102
4589         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4590         check for numbers that need no bit twiddle.
4591
4592 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4593
4594         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4595         multilib to be built.
4596
4597         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4598         (stage1-start): Delete old libgcc and libunwind before moving
4599         anything into the stage directory.
4600         (stage2-start): Likewise.
4601         (stage3-start): Likewise.
4602         (stage4-start): Likewise.
4603         (stageprofile-start): Likewise.
4604         (stagefeedback-start): Likewise.
4605         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4606         header in tm_file and CPU-specific t-darwin in tmake_file.
4607         (i[34567]86-*-darwin*): Don't change tm_file.
4608         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4609         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4610         shared library stub for target OS version.
4611         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4612         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4613         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4614         (libgcc_s.%.dylib): New.
4615         (LIBGCC): Define.
4616         (install-darwin-libgcc-stubs): New.
4617         (INSTALL_LIBGCC): New append.
4618         * config/i386/darwin-libgcc.10.4.ver: New.
4619         * config/i386/darwin-libgcc.10.5.ver: New.
4620         * config/i386/t-darwin: New.
4621         * config/rs6000/darwin-libgcc.10.4.ver: New.
4622         * config/rs6000/darwin-libgcc.10.5.ver: New.
4623         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4624         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4625
4626 2005-09-28  Paul Brook  <paul@codesourcery.com>
4627
4628         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4629         denormals.
4630
4631 2005-09-28  Richard Guenther  <rguenther@suse.de>
4632
4633         PR tree-optimization/23853
4634         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4635         host_integerp to verify misalignment value.
4636
4637 2005-09-28  Richard Henderson  <rth@redhat.com>
4638
4639         * builtins.c (get_builtin_sync_mode): New.
4640         (expand_builtin_sync_operation): Pass in mode argument.
4641         (expand_builtin_compare_and_swap): Likewise.
4642         (expand_builtin_lock_test_and_set): Likewise.
4643         (expand_builtin_lock_release): Likewise.
4644         (expand_builtin): Update to match.
4645
4646 2005-09-28  Nick Clifton  <nickc@redhat.com>
4647
4648         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4649         formatting.  Add check to PLUS case to ensure that the offset is
4650         within an acceptable range.
4651
4652         * config/v850/v850.md (casesi): Disable the generation of the
4653         switch pattern as it is not being handled properly at the moment.
4654
4655         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4656         for when the high words are identical.
4657
4658 2005-09-27  Richard Henderson  <rth@redhat.com>
4659
4660         * pretty-print.c (pp_base_format): Fix typo for %>.
4661
4662 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4663             Devang Patel  <dpatel@apple.com>
4664
4665         PR tree-optimization/23625
4666         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4667         LABEL_EXPR, assertion check.
4668
4669 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4670
4671         * optabs.c (no_conflict_move_test): Check if a result of a
4672         to-be-moved insn would be clobbered by an originally
4673         preceding insn.
4674
4675 2005-09-27  Jeff Law  <law@redhat.com>
4676
4677         * passes.c (init_optimization_passes): Replace copy propagation
4678         passes immediately after DOM with phi-only copy propagation
4679         pases.  Add phi-only copy propagation pass after first DOM pass.
4680         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4681         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4682         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4683         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4684         to init_copy_prop.  Callers updated.
4685         (do_phi_only_copy_prop): New function.
4686         (pass_phi_only_copy_prop): New pass descriptor.
4687
4688 2005-09-27  Nick Clifton  <nickc@redhat.com>
4689
4690         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4691
4692 2005-09-26  Jason Merrill  <jason@redhat.com>
4693
4694         PR c++/13764
4695         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4696
4697         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4698
4699 2005-09-26  James E Wilson  <wilson@specifix.com>
4700
4701         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4702         copyright.  Add gcc copyright plus libgcc exception.
4703         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4704         copyright.
4705         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4706
4707 2005-09-26  Jeff Law  <law@redhat.com>
4708
4709         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4710         about when to iterate.
4711
4712 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4713
4714         PR target/23847
4715         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4716         for __complex__ double in -mcpu=G5 mode.
4717
4718 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4719
4720         PR tree-optimization/23942
4721         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4722         * tree-scalar-evolution.c: Include params.h.
4723         (t_bool): New enum.
4724         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4725         follow_ssa_edge_in_condition_phi_branch,
4726         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4727         Change return type to t_bool.  Use a parameter to limit the size of
4728         trees that are walked before stopping
4729         (analyze_evolution_in_loop): Initialize the limit to 0.
4730         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4731         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4732
4733 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4734
4735         PR middle-end/23831
4736         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4737         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4738
4739 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4740
4741         * combine.c (make_extraction): Check for valid use of subreg.
4742
4743 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4744
4745         PR target/24055
4746         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4747         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4748         ("fist<mode>2_with_temp"): Use only register operands.
4749
4750 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4751
4752         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4753         CALL_INSN_FUNCTION_USAGE.
4754
4755 2005-09-26  Richard Guenther  <rguenther@suse.de>
4756
4757         PR middle-end/15855
4758         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4759         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4760         (ldst_entry): Use the hashtable instead of list-walking.
4761         (find_rtx_in_ldst): Likewise.
4762         (free_ldst_entry): Free the hashtable.
4763         (compute_ld_motion_mems): Create the hashtable.
4764         (trim_ld_motion_mems): Remove entry from hashtable if
4765         removing it from list.
4766         (compute_store_table): Likewise^2.
4767         (store_motion): Free hashtable in case we did not see
4768         any stores.
4769
4770 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4771
4772         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4773         and arg1 if we are passing them to fold_build2.
4774
4775 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4776
4777         PR 23828
4778         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4779         a nested function.
4780
4781 2005-09-25  Richard Henderson  <rth@redhat.com>
4782
4783         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4784         SYMBOL_REF_TLS_MODEL to be correct.
4785
4786 2005-09-24  Richard Henderson  <rth@redhat.com>
4787
4788         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4789         end of function.  Reindent.
4790
4791 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4792
4793         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4794         NEGATE_EXPR/BIT_NOT_EXPR case.
4795
4796 2005-09-24  Richard Henderson  <rth@redhat.com>
4797
4798         * c-common.c (handle_mode_attribute): When not modifying in place,
4799         create subtypes for enumerations.
4800         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4801         * gimplify.c (create_tmp_from_val): Likewise.
4802
4803 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4804
4805         * config/i386/i386.md (*tls_global_dynamic_64,
4806         *tls_local_dynamic_base_64): Add missing mode to call.
4807         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4808
4809 2005-09-24  Jan Hubicka  <jh@suse.cz>
4810
4811         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4812         (cgraph_clone_node): Likewise.
4813         * cgraph.h (cgraph_clone_edge): Update prototype.
4814         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4815         duplicated prototypes; add updating argument.
4816         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4817         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4818         updating profile.
4819         (cgraph_mark_inline_edge): Likewise.
4820         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4821         (cgraph_flatten_node): Likewise.
4822         (cgraph_decide_recursive_inlining): Likewise.
4823         (cgraph_decide_inlining_of_small_function): Likewise.
4824         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4825
4826 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4827             Pete Steinmetz <steinmtz@us.ibm.com>
4828
4829         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4830         (rldic.): Set type to "compare".
4831         (rldicr.): Same.
4832         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4833         mfjmpr for MFCTR/MFLR.
4834         (movdf_hardfloat64): Same.
4835         (movdf_softfloat64): Same.  Correct order of store and move types.
4836         (movti_string): Set type to store_ux/load_ux.
4837         (load_multiple): Set type to load_ux.
4838         (store_multiple): Set type to store_ux.
4839         (movmemsi): Set type to store_ux.
4840         (output_cbranch direct_return): Set type to jmpreg.
4841         (stmw): Set type to store_ux.
4842         (lmw): Set type to load_ux.
4843         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4844         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4845         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4846         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4847         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4848         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4849         (rios1-fpstore): Increase latency to 3.
4850         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4851         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4852
4853 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4854             Andrew Pinski  <pinskia@physics.uc.edu>
4855
4856         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4857         operand2 constraint to "b".
4858         (sync_<fetchop_name>di_internal): Same.
4859         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4860         to "b".
4861         (sync_old_<fetchop_name>di_internal): Same.
4862         (sync_new_<fetchop_name>si_internal): Same.
4863         (sync_new_<fetchop_name>di_internal): Same.
4864
4865 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4866
4867         PR middle-end/23991
4868         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4869         case, define as macros.
4870
4871         PR rtl-optimization/23837
4872         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
4873         clobber / clobber match between dest and p->first.
4874
4875         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4876         (no_conflict_move_test): Update comments.
4877
4878 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4879
4880         * doc/install.texi: Update URL for Jacks.
4881         * doc/sourcebuild.texi: Likewise.
4882
4883 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4884
4885         PR target/24007
4886         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4887         registers when choosing register preferences.
4888         (movdf_hardfloat64): Same.
4889
4890 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
4891
4892         * expmed.c (expand_shift): Don't use the target of the rotate as
4893         target for the first expanded shift insn.
4894         * testsuite/gcc.dg/20050922-1.c: Testcase added.
4895
4896 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
4897
4898         PR tree-optimization/22438
4899         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4900         preserved iv rhs rewriting specially.
4901
4902 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
4903
4904         * tree-data-ref.c (analyze_array_indexes): Only estimate when
4905         estimate_only  is true.
4906         * tree-flow.h (ref_contains_indirect_ref): New prototype.
4907         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4908         tree-ssa-structalias.c
4909         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4910         ref_contains_indirect_ref.
4911         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4912
4913 2005-09-21  DJ Delorie  <dj@redhat.com>
4914
4915         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4916         MASK_PTR_A0D0.
4917         (mn10300_return_in_memory): Support variable size types also.
4918         (mn10300_pass_by_reference): Likewise.
4919         (mn10300_function_value): New.
4920         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4921         (FUNCTION_OUTGOING_VALUE): Likewise.
4922         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4923         * doc/invoke.texi: Document it.
4924
4925 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
4926
4927         PR target/22585
4928         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4929         force integer op1 into register for XFmode compares.
4930
4931 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
4932
4933         PR middle-end/23971
4934         * expmed.c (alg_code): Add alg_impossible.
4935         (alg_hash_entry): Add cost.
4936         (synth_mult): Record alg_impossible in the hash table if
4937         multiplication by a given integer is impossble within the
4938         limit.  Speed up using alg_impossible.
4939
4940 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4941
4942         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4943         argument.  Allow and set any offset if needs_anyoffset is passed
4944         in.
4945         (get_constraint_for): Add argument here too.
4946         Pass it down.
4947         (do_structure_copy): Pass NULL to get_constraint_for.
4948         (handle_ptr_arith): Ditto.
4949         (find_func_aliases): Ditto.
4950
4951 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
4952
4953         PR rtl-optimization/23898
4954         * output.h (get_attr_min_length): Declare.
4955         * final.c (get_attr_length_1): New function, broken out of:
4956         (get_attr_length).
4957         (get_attr_min_length): New function.
4958         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4959         (duplicate_computed_gotos): Likewise.
4960         * genattr.c (insn_min_length): Generate declaration.
4961         * genattrtab.c (min_fn, min_attr_value): New functions.
4962         (make_length_attrs): Generate insn_min_length.
4963
4964 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
4965
4966         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4967
4968 2005-09-20  Richard Henderson  <rth@redhat.com>
4969
4970         PR tree-optimization/24059
4971         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4972         EXPAND_STACK_PARM.
4973
4974 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
4975
4976         * c.opt (fextended-identifiers): New.
4977         * c-opts.c (c_common_handle_option): Handle
4978         -fextended-identifiers.
4979         * doc/cpp.texi: Update documentation of extended identifiers.
4980         * doc/cppopts.texi (-fextended-identifiers): Document.
4981
4982 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
4983
4984         PR tree-optimization/23929
4985         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4986         if expr is NULL.
4987
4988         PR tree-optimization/23818
4989         * tree-stdarg.c (execute_optimize_stdarg): Call
4990         calculate_dominance_info.
4991
4992 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4993
4994         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4995         (analyze_siv_subscript_cst_affine): Add weak SIV test.
4996         (compute_overlap_steps_for_affine_1_2): Use
4997         get_number_of_iters_for_loop.
4998         (analyze_subscript_affine_affine): Check whether difference is
4999         zero first.
5000         Use get_number_of_iters_for_loop.
5001         Check whether overlap occurs outside of bounds.
5002         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5003
5004 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5005
5006         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5007         base register if possible.
5008
5009 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5010
5011         PR tree-optimization/18463
5012         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5013         converting it directly is not possible.
5014         (chrec_convert_aggressive): New function.
5015         * tree-chrec.h (chrec_convert_aggressive): Declare.
5016         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5017         Fold chrec conversions aggressively if asked to.
5018         (instantiate_parameters): Modified because of changes in
5019         instantiate_parameters_1.
5020
5021 2005-09-19  Richard Henderson  <rth@redhat.com>
5022
5023         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5024         (reduc_splus_v2df): New.
5025
5026 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5027
5028         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5029         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5030
5031 2005-09-19  Richard Henderson  <rth@redhat.com>
5032
5033         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5034         vcondu<SSEMODE12>.
5035
5036 2005-09-19  Richard Henderson  <rth@redhat.com>
5037
5038         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5039         (ia64_expand_dot_prod_v8qi): New.
5040         * config/ia64/ia64-protos.h: Update.
5041         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5042         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5043         sdot_prodv8qi, sdot_prodv4hi): New.
5044         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5045
5046 2005-09-19  Richard Henderson  <rth@redhat.com>
5047
5048         PR 23941
5049         * real.c (exact_real_truncate): Return false if the format cannot
5050         represent the number as a normal.
5051
5052         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5053         for a memory source.
5054
5055 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5056
5057         * tree-ssa-operands.c (swap_tree_operands): Export.
5058         * tree.h (swap_tree_operands): Declare.
5059         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5060         Call swap_tree_operands.
5061
5062 2005-09-19  Richard Henderson  <rth@redhat.com>
5063
5064         * tree-flow.h (merge_alias_info): Declare.
5065         * tree-ssa-copy.c (merge_alias_info): Export.
5066         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5067         (vect_create_data_ref_ptr): Use create_iv directly.
5068         (vectorizable_load): Use correct types for integer constants.
5069         (vect_generate_tmps_on_preheader): Likewise.
5070         (vect_gen_niters_for_prolog_loop): Likewise.
5071
5072 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5073
5074         PR rtl-optimization/23943
5075         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5076
5077 2005-09-18  Jan Hubicka  <jh@suse.cz>
5078
5079         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5080
5081 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5082
5083         * varasm.c (output_constant): Do not abort on conversions to union
5084         types between different sizes.
5085
5086 2005-09-18  Richard Guenther  <rguenther@suse.de>
5087
5088         PR middle-end/23944
5089         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5090         fallback.
5091
5092 2005-09-18  Paul Brook  <paul@codesourcery.com>
5093
5094         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5095
5096 2005-09-17  Richard Henderson  <rth@redhat.com>
5097
5098         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5099         * tree-ssa-loop.c (pass_vect_dce): Remove.
5100         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5101         of pass_vectorize.
5102
5103 2005-09-17  Richard Henderson  <rth@redhat.com>
5104
5105         * tree-pass.h (pass_vect_dce): Declare.
5106         * passes.c (init_optimization_passes): Add it.
5107         * tree-flow.h (tree_ssa_dce): Declare.
5108         * tree-ssa-dce.c (tree_ssa_dce): Export.
5109         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5110         (gate_tree_vectorize): ... here.
5111         (pass_vect_dce): New.
5112
5113 2005-09-17  Jan Hubicka  <jh@suse.cz>
5114
5115         * except.c (struct eh_status): Turn region_array into vec.
5116         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5117         convert_from_eh_region_ranges, find_exception_handler_labels,
5118         current_function_has_exception_handlers, assign_filter_values,
5119         build_post_landing_pads, dw2_build_landing_pads,
5120         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5121         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5122         foreach_reachable_handler, can_throw_internal_1,
5123         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5124         region_array.
5125         (duplicate_eh_region_1): Update region_array.
5126         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5127
5128 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5129
5130         PR middle-end/22067
5131         * expmed.c (expand_mult): Substitute simple register for op0 when
5132         computing max_cost.
5133
5134 2005-09-17  Richard Henderson  <rth@redhat.com>
5135
5136         * expr.c (emit_move_via_integer): Add force argument, pass it on
5137         to emit_move_change_mode.  Update callers.
5138         (emit_move_complex): Pass true to new force argument.
5139         * function.c (expand_function_end): Move expand_eh_return call
5140         earlier.  Merge sub-word complex values into a pseudo before
5141         copying to the return hard register.
5142
5143 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5144
5145         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5146         between different sizes.
5147
5148 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5149
5150         PR 23903
5151
5152         * passes.c (init_optimization_passes): Register dump files for
5153         IPA passes first.
5154
5155 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5156
5157         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5158         * config/s390/s390.c (s390_overlap_p): New function.
5159         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5160         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5161         condition.
5162
5163 2005-09-16  Richard Guenther  <rguenther@suse.de>
5164
5165         * ipa-pure-const.c (static_execute): Free auxiliar information.
5166         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5167         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5168
5169 2005-09-15  DJ Delorie  <dj@redhat.com>
5170
5171         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5172
5173 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5174
5175         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5176         to order operands.
5177         (swap_commutative_operands_with_target): New.
5178
5179 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5180
5181         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5182         parameter.
5183         Update callers.
5184         (estimate_iters_using_array): New function.
5185         * tree-data-ref.h (estimate_iters_using_array): Prototype
5186         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5187         Use estimate_iters_using_array instead of analyze_array.
5188
5189 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5190
5191         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5192         as addressable.
5193
5194 2005-09-15  Michael Matz  <matz@suse.de>
5195
5196         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5197
5198 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5199
5200         PR tree-optimization/23835
5201         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5202         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5203
5204 2005-09-14  Richard Henderson  <rth@redhat.com>
5205
5206         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5207         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5208
5209 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5210
5211         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5212         in the ARRAY_TYPE case.
5213
5214 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5215
5216         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5217
5218 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5219
5220         PR middle-end/22480
5221         * tree-vect-transform.c (vectorizable_operation): Return false for
5222         scalar shift operations and for vector shift operations with
5223         non-invariant shift arguments.  Use scalar tree operand op1 as
5224         a shift operand when vector shift insn pattern uses scalar shift
5225         operand.
5226         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5227
5228 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5229
5230         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5231         value if it has side-effects.
5232
5233 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5234
5235         PR target/22068
5236         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5237
5238 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5239
5240         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5241         passed as NAME as if it were label at start of function code.
5242
5243 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5244
5245         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5246         the constraints.
5247
5248 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5249
5250         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5251         as early clobber.  Rewrite so the PIC register is not implicitly used.
5252
5253 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5254
5255         * tree.c (annotate_with_file_line): Compare line numbers before
5256         file names.
5257
5258 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5259
5260         PR target/23816
5261         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5262         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5263
5264 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5265
5266         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5267         than a HOST_WIDEST_INT to gen_doloop_begin.
5268
5269 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5270
5271         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5272
5273 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5274
5275         PR tree-optimize/23817
5276         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5277
5278 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5279
5280         PR target/23774
5281         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5282         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5283         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5284         (restore_stack_nonlocal): Likewise.
5285         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5286
5287 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5288
5289         PR g++/7874
5290         * c.opt (ffriend-injection): New C++ option.
5291         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5292         (C++ Dialect Options): Document -ffriend-injection.
5293
5294 2005-09-12  Josh Conner  <jconner@apple.com>
5295
5296         PR middle-end/23237
5297         * ipa-reference.c (static_execute): Don't mark variables in
5298         named sections TREE_READONLY.
5299
5300 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5301
5302         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5303         stack_tie.
5304
5305 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5306
5307         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5308         V_MUST_DEF instead of just the first_use_p.
5309         Don't mark the virtual variables for renaming on the statement which
5310         is being removed.
5311         (pass_dse): Remove TODO_update_ssa.
5312
5313 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5314
5315         PR middle-end/23290
5316         * stor-layout.c (compute_record_mode): For records with a single
5317         field, actually check the field's mode size against the type size.
5318
5319         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5320         registers for TARGET_SHMEDIA.
5321         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5322         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5323         of GENERAL_REGS and FP_REGS.
5324
5325 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5326
5327         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5328
5329 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5330
5331         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5332         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5333         are omitted.  Exclude stack_tie insn too.
5334
5335 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5336
5337         PR rtl-optimization/23098
5338         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5339         0.0f is easy.
5340         * config/rs6000/rs6000.md (movdf splitter): Use
5341         const_double_operand predicate for TARGET_POWERPC64.
5342         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5343         SYMBOL_REF method to ABI_V4.
5344
5345         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5346         replace_equiv_address.
5347         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5348         rs6000_sr_alias_set and MEM_NOTRAP.
5349         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5350
5351 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5352
5353         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5354         handle CALL_EXPR again.
5355
5356 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5357
5358         * arm/predicates.md (alignable_memory_operand): Delete.
5359
5360 2005-09-10  Richard Henderson  <rth@redhat.com>
5361
5362         PR debug/23806
5363         * dbxout.c (dbxout_expand_expr): New.
5364         (dbxout_symbol): Use it.
5365
5366 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5367
5368         * arm.c (arm_gen_rotated_half_load): Delete.
5369         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5370         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5371         (thumb_set_return_address): Likewise.
5372         (thumb_load_double_from_address): Use adjust_address.
5373         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5374         (extendhsisi2_mem, movhi_bytes): Use change_address.
5375         (movhi): Use widen_memory_access.
5376         (reload_out_df): Use replace_equiv_address.
5377         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5378
5379 2005-09-09  Richard Henderson  <rth@redhat.com>
5380
5381         PR debug/20998
5382         * dbxout.c: Include expr.h.
5383         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5384         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5385         * Makefile.in (dbxout.o): Add EXPR_H.
5386
5387 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5388
5389         PR tree-optimization/23509
5390         * tree-cfg.c (replace_uses_by): Use replace_exp.
5391         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5392         pointers have name_mem_tag or type_mem_tag set.
5393
5394 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5395
5396         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5397         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5398         of wrongly accessing operands.
5399
5400 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5401
5402         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5403         * tree-chrec.c: Include tree-scalar-evolution.h.
5404         (chrec_convert): Instantiate the base and step before calling
5405         scev_probably_wraps_p that would fail on parametric evolutions.
5406         Collect all the fails into a single section failed_to_convert,
5407         print a diagnostic, and return chrec_dont_know instead of calling
5408         fold_convert.
5409         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5410         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5411         phi nodes.
5412         (scev_const_prop): Don't replace the definition of a loop closed ssa
5413         phi node by itself, or by another loop closed ssa phi node.
5414         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5415         that base and step are defined.
5416
5417 2005-09-09  Richard Guenther  <rguenther@suse.de>
5418
5419         PR c++/23624
5420         * fold-const.c (fold_ternary): Check truth_value_p before
5421         calling invert_truthvalue.
5422
5423 2005-09-09  Nick Clifton  <nickc@redhat.com>
5424
5425         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5426         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5427         dimension of these arrays.
5428         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5429         these arrays.
5430         * longlong.h: Only provide a prototype for the __clz_tab[] array
5431         if this header has not been included from libgcc2.h.
5432         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5433         defining own types.
5434         Provide prototypes for exported functions.
5435         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5436         libgcc2.c.
5437
5438 2005-09-08  Josh Conner  <jconner@apple.com>
5439
5440         PR c++/21135
5441         PR c++/23180
5442         * expr.c (expand_expr_addr_expr_1): Don't invoke
5443         expand_simple_binop for EXPAND_INITIALIZER.
5444
5445 2005-09-08  Richard Henderson  <rth@redhat.com>
5446
5447         PR debug/23190
5448         * toplev.c (wrapup_global_declaration_1): Split out ...
5449         (wrapup_global_declaration_2): ... from ...
5450         (wrapup_global_declarations): ... here.  Return bool.
5451         (check_global_declaration_1): Split out ...
5452         (check_global_declarations): from here.
5453         (emit_debug_global_declarations): New.
5454         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5455         check_global_declaration_1, emit_debug_global_declarations): Declare.
5456         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5457         of decls.  Call wrapup_global_declaration_1,
5458         wrapup_global_declaration_2, check_global_declaration_1 directly.
5459         (c_write_global_declarations_2): New.
5460         (ext_block): New.
5461         (c_write_global_declarations): Call c_write_global_declarations_2.
5462         * langhooks.c (write_global_declarations): Call
5463         emit_debug_global_declarations.
5464
5465         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5466         remove decls that have DECL_RTL_SET_P.
5467         * passes.c (rest_of_decl_compilation): Invoke
5468         cgraph_varpool_finalize_decl for all but functions.
5469
5470 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5471
5472         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5473         the result of a conversion if the new min and max cannot be compared.
5474
5475 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5476
5477         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5478         (override_options): Setting s390_sr_alias_set removed.
5479         (save_fpr, save_gprs): Set alias set to vararg or frame.
5480         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5481         s390_sr_alias_set with get_frame_alias_set ().
5482         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5483         get_varargs_alias_set ().
5484
5485 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5486
5487         PR objc/20574
5488         PR objc/19324
5489         * c-parser.c (c_parser_objc_method_definition): If the next
5490         token is not "{", error out and don't start the function.
5491
5492 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5493
5494         * tree-vrp.c (extract_range_from_expr): Move the check for non
5495         nullness after the check for gimple invariant.
5496
5497 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5498
5499         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5500
5501 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5502
5503         PR target/23747
5504         * config/m32r.md (movmemsi_internal): Canonicalize order of
5505         operands in PLUS component of template.
5506
5507 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5508
5509         * reload1.c (fixup_eh_region_note): Remove assertion.
5510         (fixup_abnormal_edges): Reverted removal of call to
5511         find_many_sub_basic_blocks made on 2005-08-31.
5512
5513 2005-09-07  Richard Henderson  <rth@redhat.com>
5514
5515         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5516         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5517         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5518         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5519         rearrange for better packing.
5520         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5521         (lookup_cfa_1): Remove inline marker.
5522         (cfa_equal_p): Split out of ...
5523         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5524         (build_cfa_loc): Handle !cfa->indirect.
5525         (frame_pointer_cfa_offset): New.
5526         (dbx_reg_number): Assert register elimination performed; do
5527         leaf register remapping.
5528         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5529         (eliminate_reg_to_offset): New.
5530         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5531         for verifiably local stack frame addresses; re-base to CFA.
5532         (mem_loc_descriptor): Remove can_use_fbreg argument.
5533         (concat_loc_descriptor, loc_descriptor): Likewise.
5534         (containing_function_has_frame_base): Remove.
5535         (rtl_for_decl_location): Don't do register elimination or
5536         leaf register remapping here.
5537         (secname_for_decl): Split out from ..
5538         (add_location_or_const_value_attribute): ... here.
5539         (convert_cfa_to_loc_list): New.
5540         (compute_frame_pointer_to_cfa_displacement): New.
5541         (gen_subprogram_die): Use them.
5542         * tree.h (frame_base_decl): Remove.
5543         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5544         (prologue_stack_adjust): Remove.
5545         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5546         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5547         (set_frame_base_location): Remove.
5548         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5549         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5550         (vt_add_function_parameters): Don't eliminate_regs.
5551         (vt_initialize): Don't create frame_base_decl.
5552
5553 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5554
5555         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5556         version of GNU binutils for 4.x and later.
5557
5558 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5559
5560         * ggc-page.c (ggc_push_context): Remove.
5561         (ggc_pop_context): Likewise.
5562         * ggc.h (ggc_push_context): Remove.
5563         (ggc_pop_context): Likewise.
5564
5565 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5566
5567         PR target/8973
5568         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5569         returning from an interrupt handler.
5570
5571 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5572
5573         PR target/8972
5574         * config/arc/arc.c (output_shift): Add check for loop count when
5575         optimizing.
5576
5577 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5578
5579         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5580         form manually.
5581         (abs_replacement): Likewise.
5582         (pass_phiopt): Remove TODO_update_ssa.
5583
5584 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5585
5586         PR c/23075
5587         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5588         if "return with no value, in function returning non-void" warning
5589         has been issued.
5590         * tree-cfg.c (execute_warn_function_return): Don't look at
5591         RETURN_EXPRs with TREE_NO_WARNING set.
5592
5593         PR target/22362
5594         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5595         for internal functions doesn't use registers used by global registers
5596         variables.  Use fewer register parameters if there are global register
5597         variables.
5598
5599 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5600             Eric Botcazou  <ebotcazou@adacore.com>
5601
5602         PR middle-end/14997
5603         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5604         when we would be extracting outside its bit span (bitpos+bitsize
5605         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5606         Ada unchecked conversions.
5607
5608 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5609
5610         * tree-ssa-pre.c (try_look_through_load): New function.
5611         (compute_avail): Use it to try to look through loads for some
5612         more useful expressions.
5613
5614 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5615
5616         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5617         condition for detecting cases like (a&a) and (a^a).
5618
5619 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5620
5621         * common.opt: Add option ftree-vect-loop-version.
5622         * params.def: Add --param vect-max-version-checks.
5623         * doc/invoke.texi: Document ftree-vect-loop-version and
5624         --param vect-max-version-checks.
5625         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5626         may_misalign_stmts and defines for accessors.
5627         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5628         LOOP_VINFO_MAY_MISALIGN_STMTS.
5629         (destroy_loop_vec_info): VEC_free for
5630         LOOP_VINFO_MAY_MISALIGN_STMTS.
5631         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5632         Update documentation.
5633         (vect_update_misalignment_for_peel): New.
5634         (vect_enhance_data_refs_alignment): Update to choose loop
5635         peeling or loop versioning if appropriate for the (potentially)
5636         unaligned data references in the loop.
5637         (vect_analyze_data_refs_alignment): Remove call to
5638         vect_enhance_data_refs_alignment so the checks can be done
5639         earlier.
5640         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5641         and move up call to vect_analyze_data_refs_alignment.
5642         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5643         (vect_transform_loop): Add call to loop_version.
5644
5645 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5646
5647         PR rtl-optimization/23098
5648         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5649         * simplify-rtx.c (constant_pool_reference_p): New function.
5650         * rtl.h (constant_pool_reference_p): New prototype.
5651         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5652         constant_pool_reference_p in condition and
5653         avoid_constant_pool_reference in preparation statements.
5654
5655 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5656
5657         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5658         STRICT_LOW_PART SETs.
5659
5660 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5661
5662         PR middle-end/21460
5663         * except.c (sjlj_emit_function_enter): Find the function begin
5664         note even when it's not in first basic block.
5665
5666 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5667
5668         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5669         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5670         * aclocal.m4: Regenerate.
5671
5672 2005-09-05  DJ Delorie  <dj@redhat.com>
5673
5674         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5675         of macro.
5676
5677 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5678
5679         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5680         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5681         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5682         Follow spelling conventions.
5683         * doc/invoke.texi: Follow spelling conventions.
5684
5685 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5686
5687         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5688         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5689         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5690
5691 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5692
5693         PR target/23683
5694         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5695         (output_stack_adjust): Use gen_tmp_stack_mem.
5696         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5697         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5698         (sh_get_pr_initial_val): Likewise.
5699         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5700         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5701         * sh.md (divsi_inv_m0): Use gen_const_mem.
5702         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5703         (movdf_i4+1): Use gen_tmp_stack_mem.
5704         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5705         (fpu_switch+2): Likewise.
5706         (movv4sf_i, movv16sf_i): Use adjust_address.
5707         (symGOT_load): Set MEM_NOTRAP_P bit.
5708
5709 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5710
5711         PR target/23721
5712         * pa.c (emit_move_sequence): Fix typo in last change.
5713
5714 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5715
5716         PR rtl-optimization/23454
5717         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5718         is true.
5719
5720 2005-09-03  Richard Henderson  <rth@redhat.com>
5721             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5722
5723         PR middle-end/23671
5724         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5725         gen_rtx_MEM.
5726
5727 2005-09-02  Nicolas Pitre <nico@cam.org>
5728
5729         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5730         to bit_count to 32 bits.
5731
5732 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5733
5734         PR c++/23167
5735         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5736         generating synthetic loads from volatile lvalues.
5737
5738 005-09-02  Nick Clifton  <nickc@redhat.com>
5739
5740         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5741         __ctzhi2, __clzhi2): New functions.
5742
5743 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5744
5745         PR middle-end/23547
5746         * tree-nested.c (struct var_map_elt): Mark with GTY.
5747         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5748         var_map_elt.
5749         (lookup_field_for_decl): Allocate new element in GC memory.
5750         (lookup_tramp_for_decl): Likewise.
5751         (convert_nl_goto_reference): Likewise
5752         (create_nesting_tree): Allocate info in GC memory. Likewise for
5753         info->var_map.
5754         (free_nesting_tree): Free with ggc_free instead of free.
5755         (root): New static variable.
5756         (lower_nested_functions): Remove root as local variable.  And zero out
5757         root at the end of the function.
5758
5759 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5760
5761         PR rtl-optimization/20365
5762         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5763         to short.  New member ix.
5764         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5765         (simplify_plus_minus): Initialize ix members before calling qsort.
5766
5767 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5768
5769         PR tree-optimization/23626
5770         * tree-cfg.c (replace_uses_by): Clean up eh info.
5771
5772 2005-09-01  DJ Delorie  <dj@redhat.com>
5773
5774         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5775         fprintf.
5776
5777 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5778
5779         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5780         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5781         gen_rtx_MEM.
5782
5783 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5784
5785         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5786         do not issue warning for a variable definition following
5787         a declaration.
5788
5789 2005-09-01  Richard Henderson  <rth@redhat.com>
5790
5791         PR 23668
5792         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5793         conversion to CONST_VECTOR.
5794
5795 2005-09-01  Richard Henderson  <rth@redhat.com>
5796
5797         PR 23676
5798         * reload1.c (reload_as_needed): Check !CALL_P before calling
5799         fixup_eh_region_note.
5800         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5801
5802 2005-09-01  DJ Delorie  <dj@redhat.com>
5803
5804         * varasm.c (output_constant): Let the target resolve
5805         conversions of addresses to non-default pointer sizes.
5806
5807 2005-09-01  Nicolas Pitre <nico@cam.org>
5808
5809         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5810         to alow matching ARM pre-indexed addressing mode.
5811         (arm_override_options): Remove now irrelevant comment.
5812
5813 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5814
5815         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5816         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5817         * config/i386/vxworks.h:  Likewise.
5818         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5819         * config/i386/vxworksae.h:  Likewise.
5820
5821 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5822
5823         PR tree-optimization/23410
5824         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5825         sequence is not wrapping during the first step.
5826
5827 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5828
5829         PR debug/7241
5830         * dwarf2out.c (base_type_die): Compare char_type_node with
5831         TYPE_MAIN_VARIANT (type), not type.
5832
5833 2005-09-01  Richard Guenther  <rguenther@suse.de>
5834
5835         PR tree-optimization/15366
5836         * common.opt: Add -finline-functions-called-once.
5837         Put -fearly-inlining in alphabetically ordered place.
5838         * doc/invoke.texi: Document new option.
5839         * ipa-inline.c (cgraph_decide_inlining): Honour
5840         flag_inline_functions_called_once.
5841
5842 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5843
5844         PR rtl-optimization/23478
5845         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5846         (alloc_qty): Initialize it.
5847         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5848         (combine_regs): Combine also n_throwing_calls_crossed fields.
5849         (find_free_reg): Don't attempt to caller-save pseudos crossing
5850         calls that might throw.
5851         * global.c (struct allocno): Add throwing_calls_crossed field.
5852         (global_alloc): Revert 2005-08-22 change.  Initialize
5853         throwing_calls_crossed.
5854         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5855         might throw.
5856
5857 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5858
5859         PR target/23649
5860         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5861         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5862         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5863         (and64_2_operand): Tweak to use predicate.
5864         (and_operand): Adjust for mask_operand changes.
5865         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5866         (print_operand): Likewise.
5867         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5868         (mask64_1or2_operand): Delete.
5869         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5870         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5871         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5872         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5873         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5874         (rotldi3_internal4): Likewise.
5875         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5876         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5877         (ashldi3_internal7): Likewise.
5878         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5879         (ashldi3_internal, ashldi3_internal9 split): Likewise.
5880         (anddi3 split): Don't match mask64_operand.
5881         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
5882         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
5883         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5884         't' splitter predicate.
5885         (movdi_internal64 + 2): Revert 2005-06-11 change.
5886
5887 2005-08-31  DJ Delorie  <dj@redhat.com>
5888
5889         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5890         (m32c_asm_integer): Add support for 32 bit pointers.
5891
5892 2005-08-31  Richard Henderson  <rth@redhat.com>
5893
5894         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5895         component-like references for setting MEM_NOTRAP_P.
5896
5897         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5898         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5899
5900 2005-08-31  Richard Henderson  <rth@redhat.com>
5901
5902         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5903         into a pseudo before applying gen_lowpart.
5904
5905 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
5906
5907         * doc/install.texi (Specific): Update cctools version required
5908         for full functionality.
5909         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5910         linkers as -macosx_version_min.
5911
5912 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
5913
5914         PR target/21255
5915         * sh.c (print_operand, %R and %S): Add handling of floating point
5916         registers, memory, constants and invalid operands.
5917
5918 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
5919
5920         * ipa-pure-const.c: Change dump name.
5921
5922 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5923
5924         PR target/23570
5925         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5926         to "reg_or_0_operand".
5927         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5928
5929 2005-08-31  Dale Johannesen  <dalej@apple.com>
5930
5931         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
5932         loops that count down.
5933
5934 2005-08-31  Richard Henderson  <rth@redhat.com>
5935
5936         PR rtl-opt/23601
5937         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5938         (fixup_eh_region_note): New.
5939         (reload_as_needed): Call it.
5940         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5941         don't call find_many_sub_basic_blocks; call verify_flow_info.
5942         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5943         (keep_stack_depressed): Likewise.
5944         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5945
5946 2005-08-31  Richard Henderson  <rth@redhat.com>
5947
5948         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5949         fp return matching.
5950
5951 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
5952
5953         * expr.c (expand_expr_real_1): Compare size of address
5954         mode to target's address mode size in deciding expansion of
5955         the constant address.
5956
5957 2005-08-31  Richard Guenther  <rguenther@suse.de>
5958
5959         PR middle-end/23477
5960         * expr.c (all_zeros_p): New function.
5961         (expand_expr_real_1): Handle the case of an all-zero
5962         non-addressable constructor separately.
5963
5964 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
5965
5966         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5967         arguments, adjust all callers.
5968         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5969
5970 2005-08-30  Richard Henderson  <rth@redhat.com>
5971
5972         PR target/23630
5973         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5974         whenever the mode sizes match.
5975
5976 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
5977
5978         * calls.c (load_register_parameters): Fix comment typo.
5979         * expr.c (emit_push_insn): Comment formatting.
5980
5981 2005-08-30  Ian Lance Taylor  <ian@airs.com>
5982
5983         * config/i386/x-cygwin (host-cygwin): Change dependency from
5984         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5985
5986 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
5987
5988         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5989         parts of 'vals'.
5990
5991 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
5992
5993         PR middle-end/23408
5994         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5995         call to ggc_collect.
5996
5997 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
5998
5999         PR bootstrap/21268
6000         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6001         beginning.  Remove $(INCLUDES) from all the rules, if following
6002         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6003
6004 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6005
6006         PR middle-end/23484
6007         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6008         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6009         not constant, but maxlen is, don't set len to maxlen, rather
6010         set maxlen to len if len is a constant.
6011
6012 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6013
6014         PR tree-optimization/23475
6015         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6016         and counts.
6017
6018 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6019
6020         Fix PR middle-end/22455
6021
6022         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6023         Checksum only the parts of the tree that exist for the tree code.
6024
6025 2005-08-28  Dale Johannesen  <dalej@apple.com>
6026
6027         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6028
6029 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6030
6031         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6032
6033 2005-08-28  Richard Henderson  <rth@redhat.com>
6034
6035         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6036         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6037         of char_type_node.
6038
6039 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6040
6041         PR ada/23593
6042         * builtins.c (get_memory_rtx): Don't strip nops
6043         in between COMPONENT_REFs.
6044
6045 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6046
6047         PR middle-end/23463
6048         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6049         types.
6050         (gimplify_modify_expr): Check for zero sized types and gimplify the
6051         rhs and lhs as statements.
6052
6053 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6054
6055         PR libgcj/23508
6056         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6057         state for return address column of signal frames.
6058
6059 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6060
6061         PR target/23539
6062         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6063         bytes >= 2 not bytes == 2.
6064         (expand_block_move): Same.
6065
6066 2005-08-27  Richard Guenther  <rguenther@suse.de>
6067
6068         PR target/23575
6069         * config/i386/sse.md (sse2_movsd): Add missing closing
6070         braces.
6071
6072 2005-08-27  Paul Brook  <paul@codesourcery.com>
6073
6074         * genrecog.c (enum decision_type): Add DT_num_insns.
6075         (struct decision_test): Add u.num_insns.
6076         (add_to_sequence): Add DT_num_insns test.
6077         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6078         (write_cond, debug_decision_2): Ditto.
6079         (change_state): Assume peep2_next_insn never fails.
6080         Remove "afterward" argument.
6081         (write afterward, write_tree): Update to match.
6082         * recog.c (peep2_current_count): New variable.
6083         (peep2_next_insn): Check it.
6084         (peephole2_optimize): Set peep2_current_count.
6085         * recog.h (peep2_current_count): Declare.
6086
6087 2005-08-26  Josh Conner  <jconner@apple.com>
6088
6089         PR middle-end/23584
6090         * ipa-pure-const.c (check_tree): Check for volatile-ness
6091         when considering a dereference.
6092
6093 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6094
6095         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6096
6097 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6098
6099         PR rtl-optimization/23561
6100         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6101         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6102         at most LEN bytes long memory fits into the field.
6103         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6104         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6105         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6106
6107 2005-08-26  Richard Henderson  <rth@redhat.com>
6108
6109         PR rtl-opt/23560
6110         * loop.c (biased_biv_may_wrap_p): New.
6111         (maybe_eliminate_biv_1): Use it to suppress non-equality
6112         comparison transformations.  Delete disabled code.
6113
6114 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6115
6116         * combine.c (make_extraction): Avoid reference outside object.
6117
6118 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6119
6120         * stor-layout.c (finalize_type_size): Restore behaviour for
6121         non-aggregate types to the status quo ante of the patch for
6122         pr 23467.  Document why it matters.
6123
6124 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6125
6126         PR c/23506
6127         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6128         array by one element, initialize the BT_LAST element with NULL.
6129
6130 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6131
6132         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6133         optimizing for size.
6134         (plus_eqsi): Same.
6135         (compare_plus_eqsi): Same.
6136         (plus_eqsi_compare): Same.
6137         (neg_eq0<mode>): Same.
6138         (neg_eq<mode>): Same.
6139
6140         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6141         PROCESSOR_POWER4.
6142
6143 2005-08-26  Nick Clifton  <nickc@redhat.com>
6144
6145         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6146         TARGET_EP is not defined.
6147         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6148         TARGET_EP is enabled.
6149         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6150         * config/v850/v850.md (save_all_interrupt): Only use the EP
6151         register if TARGET_EP is defined.
6152         (restore_all_interrupt): Likewise.
6153         * config/v850/lib1funcs.asm: Update functions so that the EP
6154         register is only used if __EP__ is defined.
6155
6156 2005-08-26  David Ung  <davidu@mips.com>
6157
6158         * config/mips/mips.c (mips_expand_prologue): Handle case when
6159         generating for MIPS16 and the outgoing argument area is more than
6160         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6161         add instruction.
6162
6163 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6164
6165         * config/crx/crx.md: Make doloop_end pattern usage controllable
6166         via mloop-nesting=<max-nesting> command line switch. Make sure
6167         the combiner cannot use doloop_end_<mode> in an illegal way.
6168         * config/crx/crx.c: Use regs up to r6 for argument passing.
6169         Refine crx_address_cost (non cst4 displacements are expensive).
6170         * config/crx/crx.opt: Add switch for mloop-nesting=.
6171
6172 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6173
6174         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6175         (UNSPEC_MVST): New constant.
6176
6177 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6178
6179         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6180         Reject operands containing eliminable registers.
6181         * testsuite/gcc.dg/20050825-1.c: New testcase.
6182
6183 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6184             Jan Hubicka  <jh@suse.cz>
6185
6186         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6187
6188 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6189
6190         PR tree-optimization/23546
6191         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6192         and REAL_CST nodes.
6193
6194 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6195
6196         * params.def (PARAM_MIN_SPEC_PROB): New.
6197         * sched-rgn.c (MIN_PROBABILITY): Delete.
6198         (compute_trg_info): Convert to PARAM_VALUE.
6199         * doc/invoke.texi (param): Document min-spec-prob.
6200
6201 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6202
6203         * config/darwin.h: define __PIC__
6204         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6205         TARGET_OS_CPP_BUILTINS macro.
6206
6207 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6208
6209         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6210         yesterday.
6211
6212 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6213
6214         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6215         to duplicate_block.
6216         * cfghooks.c (duplicate_block): Added position where to place
6217         new block as argument.
6218         * cfghooks.h (duplicate_block): Declaration changed.
6219         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6220         duplicate_block.
6221         * cfglayout.h (copy_bbs): Declaration changed.
6222         * cfgloop.h (loop_version): Declaration changed.
6223         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6224         position to copy_bbs.
6225         (loop_version): Pass position to duplicate_loop_to_header_edge.
6226         Add place_after argument and position new blocks according to
6227         it.
6228         * modulo-sched.c (sms_schedule): Pass place_after argument
6229         to loop_version.
6230         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6231         * tree-cfg.c (split_edge_bb_loc): New function.
6232         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6233         to determine position of new blocks.
6234         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6235         to loop_version.
6236         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6237         argument to duplicate_block.
6238         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6239         Pass position to copy_bbs.
6240
6241 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6242
6243         * fold-const.c (ptr_difference_const): Use
6244         cst_and_fits_in_hwi instead of host_integerp.
6245
6246 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6247
6248         * config/darwin.c (gen_pic_offset): New.
6249         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6250         Use it.
6251
6252 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6253
6254         PR tree-optimization/23486
6255         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6256
6257 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6258
6259         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6260         remove use_collect2.
6261         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6262
6263         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6264         configuration files to override the default value.
6265
6266         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6267         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6268         * config/vx-common.h:  New file, split out from...
6269         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6270         * config/vxworksae.h:  New file, for VxWorks AE.
6271         * config/vxworks.opt:  New file.
6272         * config/vxlib.c:  Update for VxWorks 6.
6273
6274         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6275         other MULTILIB_* variables appropriately.
6276         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6277         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6278         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6279         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6280
6281 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6282
6283         PR target/20799
6284         * config/darwin.c (machopic_select_section): Remove the hack to
6285         mark "::operator new" and "::operator delete" for coalescing
6286         even though they are not weak.
6287
6288 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6289
6290         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6291         * configure: Regenerate.
6292
6293 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6294
6295         PR middle-end/23517
6296         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6297         between vectors.
6298         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6299         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6300         Likewise.
6301
6302 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6303
6304         * config/rs6000/predicates.md (equality_operator): New.
6305         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6306         comparison with a large constant.
6307
6308 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6309
6310         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6311
6312 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6313
6314         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6315         registers is even, and we have a hardware double precision fp,
6316         align the buffer.
6317         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6318         size of current argument when checking if argument was passed in
6319         registers.
6320
6321         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6322
6323         PR middle-end/23467
6324         * stor-layout.c (finalize_type_size): Dont override
6325         existing alignment with a smaller alignment from the mode.
6326
6327 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6328
6329         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6330         * lambda.h (lambda_vector_lexico_pos): ... here.
6331         * tree-data-ref.c (build_classic_dist_vector): Return false when
6332         the distance vector is lexicographically negative.
6333
6334 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6335
6336         PR tree-optimization/23511
6337         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6338         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6339
6340 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6341
6342         PR tree-optimization/22043
6343         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6344         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6345         If ALLOW_FLEXARR, handle types ending with flexible array member.
6346         Pass false as second argument to recursive count_type_elements calls.
6347         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6348         argument to count_type_elements call.
6349         * tree-sra.c (decide_block_copy): Likewise.
6350         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6351         for a constant-sized object, set cleared as well.  Pass true as
6352         second argument to count_type_elements call.
6353
6354 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6355
6356         PR target/21571
6357         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6358         from legitimate_small_data_p, and make global.  Update use.
6359         Remove forward declaration.
6360         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6361         Declare.
6362         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6363
6364 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6365
6366         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6367         of scratch intermediates.
6368         (eq<mode>_compare): Same.
6369         (neg_eq0<mode>): New.
6370         (neg_eq<mode>): Convert to define_insn_and_split.
6371
6372 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6373
6374         PR target/23070
6375         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6376         stdarg functions, set/clear the fp marker even when no variable
6377         args are passed.
6378         * config/rs6000/sysv4.opt (mprototype): Describe.
6379
6380 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6381
6382         PR rtl-optimization/23478
6383         * regs.h (reg_info): Add throw_calls_crossed.
6384         (REG_N_THROWING_CALLS_CROSSED): Define.
6385         * flow.c (allocate_reg_life_data): Initialize
6386         REG_N_THROWING_CALLS_CROSSED.
6387         (propagate_one_insn, attempt_auto_inc): Update
6388         REG_N_THROWING_CALLS_CROSSED.
6389         * global.c (global_alloc): Don't allocate pseudos across
6390         calls that may throw.
6391
6392 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6393
6394         PR c/18715
6395         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6396         value is inbetween the range if we did not find an exact match.
6397
6398 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6399
6400         * doc/invoke.texi (Option Summary): Add ms1 options.
6401         * doc/extend.texi: Document interrupt handler attribute for ms1.
6402         * doc/md.texi: Document ms1 constraints.
6403         * config.gcc: Add ms1-*-elf.
6404         * config/ms1/ms1.h: New.
6405         * config/ms1/ms1.c: New.
6406         * config/ms1/ms1.md: New.
6407         * config/ms1/ms1-protos.h: New.
6408         * config/ms1/ABI.txt: New.
6409         * config/ms1/crti.asm: New.
6410         * config/ms1/crtn.asm: New.
6411         * config/ms1/lib2extra-funcs.c: New.
6412         * config/ms1/t-ms1: New.
6413         * config/ms1/ms1.opt: New.
6414
6415 2005-08-22 Ira Rosen <irar@il.ibm.com>
6416
6417         * config/rs6000/altivec.md (xorv4sf3): New.
6418         (negv4sf2, neg<mode>2): Likewise.
6419
6420 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6421
6422         PR target/23485
6423         * config/ia64/ia64.md (divsi3): Check divide by zero.
6424         (udivsi3): Likewise.
6425         (divdi3): Likewise.
6426         (udivdi3): Likewise.
6427
6428 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6429
6430         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6431         up to elem_bitsize bits, not max_bitsize.
6432
6433 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6434
6435         PR tree-optimization/23433
6436         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6437         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6438
6439 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6440
6441         PR tree-optimization/23434
6442         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6443         the iteration bound is not an INTEGER_CST.
6444
6445 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6446
6447         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6448         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6449         NULL if need_epilog_adjust is false.
6450         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6451         Case 3 always peels first itration, not just for PLUS case, and no need
6452         to use scalar_initial_def here. Create an epilog adjustment only if
6453         scalar_initial_def is not NULL.
6454
6455         (vectorizable_reduction): Remove assert.
6456
6457 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6458
6459         PR target/23485
6460         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6461         (__moddi3): Likewise.
6462         (__udivdi3): Likewise.
6463         (__umoddi3): Likewise.
6464         (__divsi3): Likewise.
6465         (__modsi3): Likewise.
6466         (__udivsi3): Likewise.
6467         (__umodsi3): Likewise.
6468
6469 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6470
6471         * tree-pass.h (TDF_GRAPH): Define.
6472         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6473         * passes.c (finish_optimization_passes): Only call
6474         finish_graph_dump_file if TDF_GRAPH is set.
6475         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6476         NULL.  Set TDF_GRAPH bit.
6477         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6478
6479 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6480
6481         * arm.h (arm_stack_offsets): Add locals_base field.
6482         * arm.c (arm_get_frame_offsets): Compute it.
6483         (thumb_compute_initial_elimination offset): Make the Thumb frame
6484         pointer point to the base of the local variables.
6485         (thumb_expand_prologue): Update accordingly.
6486         (thumb_expand_epilogue): Likewise.
6487
6488         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6489         mode of clobbered scratch to DImode.  Handle a case that's known to
6490         need this.
6491
6492 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6493
6494         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6495         (gt0<mode>_compare): Delete.
6496         (neg_gt0<mode>): Delete.
6497
6498 2005-08-19  Eric Christopher  <echristo@apple.com>
6499
6500         * optabs.h: Change CTI_ to COI_.
6501         * optabs.c: Ditto.
6502
6503 2005-08-19  James E Wilson  <wilson@specifix.com>
6504
6505         * builtins.c (expand_builtin_return_addr): Set
6506         current_function_accesses_prior_frames when count != 0.  Use
6507         frame_pointer_rtx when count == 0.
6508         * function.h (struct function): Add accesses_prior_frames field.
6509         (current_function_accesses_prior_frames): Define.
6510         * reload1.c (init_elim_table): Check
6511         current_function_accesses_prior_frames.
6512         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6513
6514 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6515
6516         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6517         indicator.  Return true if the flowgraph changed during
6518         cleanup.
6519
6520 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6521
6522         PR 23476
6523         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6524         conditional expression before testing its value.
6525
6526 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6527
6528         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6529
6530 2005-08-19  Devang Patel  <dpatel@apple.com>
6531
6532         PR tree-optimization/23048
6533         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6534         third parameter. Check whether latch is dominated by exit
6535         block or not.
6536         (if_convertible_loop_p): Supply exit block itself to
6537         if_convertible_bb_p.
6538
6539 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6540
6541         PR target/23473
6542         * arm.md (arm_load_pic_register): Change argument to the mask of
6543         saved registers.  Call thumb_find_work_register if we need a
6544         scratch register on Thumb.
6545         (arm_expand_prologue): Pass empty register set to
6546         arm_load_pic_register.
6547         (thumb_expand_prologue): Pass live_regs_mask directly to
6548         arm_load_pic_register.
6549         * arm-protos.h (arm_load_pic_register): Update prototype.
6550
6551 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6552
6553         * sh.c (find_sole_member): New function.
6554         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6555         if the record's alignment is larger than the size of its only member.
6556
6557 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6558
6559         PR target/23436
6560         * arm.c (thumb_legitimize_reload_address): New function.
6561         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6562         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6563
6564 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6565
6566         * config/crx/crx.c: Implement crx_decompose_address. Reject
6567         symbolic displacements since CRX register relative adressing
6568         mode can't handle unsigned 32-bit values as displacements.
6569         * config/crx/crx.h: Simplify definitions, remove redundant
6570         parenthesis and obsolete macros.
6571         * config/crx/crx.opt: Add new switch for debugging addresses.
6572         * config/crx/crx-protos.h: Add new declarations for above.
6573
6574 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6575
6576         PR middle-end/20624
6577         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6578         looking past it.
6579
6580 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6581
6582         * collect2.c (dup2): Delete.
6583         * configure.ac: Don't check for dup2.
6584
6585         * config.in, configure: Regenerate.
6586
6587 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6588
6589         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6590         record with the type of its only member.
6591
6592 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6593
6594         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6595         define_insn_and_split.
6596         (plus_ltu<mode>_compare): Same.
6597         (gtu<mode>_compare): Same.
6598         (plus_gtu<mode>_compare): Same.
6599
6600 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6601
6602         PR tree-optimization/22228
6603         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6604         todo_flags_start.
6605         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6606         are recorded in vect_vnames_to_rename for renaming.
6607         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6608         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6609         in vect_vnames_to_rename.
6610         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6611         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6612
6613 2005-08-18  Jan Hubicka  <jh@suse.cz>
6614
6615         PR c++/22034
6616         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6617         info only for local statics, not for member variables.
6618
6619 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6620
6621         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6622
6623 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6624
6625         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6626
6627 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6628
6629         PR middle-end/16045
6630         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6631
6632 2005-08-17  James E Wilson  <wilson@specifix.com>
6633
6634         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6635         array size check.
6636
6637 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6638
6639         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6640         (leu<mode>_compare): Same.
6641         (plus_leu<mode>): Same.
6642         (neg_leu<mode>): Same.
6643         (and_neg_leu<mode): Same.
6644         (ltu<mode>_compare): Same.
6645         (plus_ltu<mode>): Same.
6646         (geu<mode>): Same.
6647         (geu<mode>_compare): Same.
6648         (plus_geu<mode>): Same.
6649         (neg_geu<mode>): Same.
6650         (and_neg_geu<mode>): Same.
6651         (plus_gt<mode>): Same.
6652         (gtu<mode>_compare): Same.
6653         (plus_gtu<mode>): Same.
6654
6655 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6656
6657         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6658         Move call_table_data to end.  Delete spurious .text.
6659         (callt_save_all_interrupt): Fix comment typo.
6660
6661 2005-08-17  James E Wilson  <wilson@specifix.com>
6662             Kevin Winchester  <winchester@amirix.com>
6663
6664         PR target/21684
6665         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6666
6667 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6668
6669         PR target/23268
6670         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6671         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6672
6673 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6674
6675         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6676         record with the type of its only member if the modes don't match.
6677
6678         * varasm.c (decode_reg_name): Skip empty additional register names.
6679
6680 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6681
6682         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6683         lsm_tmp_name_length): New.
6684         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6685         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6686
6687 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6688             Andreas Krebbel  <krebbel1@de.ibm.com>
6689
6690         * config.gcc: Added z9-109 switch.
6691         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6692         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6693         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6694         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6695         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6696         for "z9_109" cpu attribute.
6697         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6698         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6699         (s390_handle_arch_option): Added z9-109 switch.
6700         (override_options): Set respective cost function for z9-109.
6701         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6702         (legitimate_reload_constant_p): Accept extended immediates.
6703         (print_operand): Three new output modifiers added: k, m and o.
6704         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6705         (s390_output_mi_thunk): Use extended immediate when possible.
6706         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6707         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6708         (CONSTRAINT_LEN): Added length of O constraint.
6709         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6710         * config/s390/s390.md ("cpu"): New value z9_109 added.
6711         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6712         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6713         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6714         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6715         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6716         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6717         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6718         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6719         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6720         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6721         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6722         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6723         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6724         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6725         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6726         immediates.
6727         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6728         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6729         insns for TARGET_EXTIMM.
6730
6731 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6732
6733         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6734
6735 2005-08-17  Nick Clifton  <nickc@redhat.com>
6736
6737         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6738         Call default_encode_section_info.
6739
6740 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6741
6742         PR tree-optimization/21574
6743         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6744         constant, return CONSTANT.
6745         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6746         (ccp_fold, visit_assignment): Likewise.
6747         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6748
6749 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6750
6751         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6752         fold_buildN instead of buildN then fold_initializer or fold.
6753         (build_unary_op): Likewise.
6754         (build_binary_op): Likewise.
6755         * fold-const.c (fold_initializer): Remove.
6756         (fold_build1_initializer): New function.
6757         (fold_build2_initializer): New function.
6758         (fold_build3_initializer): New function.
6759         * tree.h (fold_initializer): Remove.
6760         (fold_build1_initializer): New function.
6761         (fold_build2_initializer): New function.
6762         (fold_build3_initializer): New function.
6763
6764 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6765
6766         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6767         (try_move_mult_to_index): Call fold_build2 instead of build2.
6768         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6769         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6770         fold_binary_to_constant.
6771         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6772         fold (build.
6773         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6774         check if A == gcd (A, B).  Remove TYPE argument.
6775         (analyze_offset) Use fold_build2 instead of fold (build.
6776         (create_data_ref): Likewise.
6777         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6778         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6779         then fold.
6780
6781 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6782
6783         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6784         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6785
6786 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6787
6788         PR tree-opt/23402
6789         * gimplify.c (zero_sized_type): New function.
6790         (gimplify_modify_expr_rhs): If we have a zero sized type,
6791         replace the statement with an empty statement.
6792
6793 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6794
6795         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6796         fxsave.
6797
6798 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6799
6800         * doc/tm.texi (Label Output): Correct typo.
6801
6802 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6803
6804         PR target/23376
6805         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6806         force_operand will work later on using have_insn_for.
6807
6808 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6809
6810         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6811
6812 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6813
6814         PR c++/23337
6815         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6816         vector type, don't try to construct it element by element.  Add an
6817         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6818
6819 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6820
6821         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6822
6823 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6824
6825         * doc/invoke.texi (Precompiled Headers): Document some more options
6826         which are known to be safe.
6827
6828 2005-08-16  James E Wilson  <wilson@specifix.com>
6829
6830         PR tree-optimization/21105
6831         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6832         TREE_OVERFLOW check.
6833
6834 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6835
6836         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6837         (neg_ltu<mode>): Same.
6838         (gtu<mode>): Same.
6839         (neg_gtu<mode>): Same.
6840
6841 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6842
6843         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6844         (fold_builtin_isdigit): Use fold_buildN.
6845         (build_function_call_expr): Likewise.
6846         * c-typeck.c (c_finish_loop): Likewise.
6847
6848 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6849             Richard Shann <rshann@superh.com>
6850
6851         PR middle-end/20396:
6852         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6853
6854 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6855
6856         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6857
6858 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6859
6860         PR target/23355
6861         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6862         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6863         must be saved.
6864
6865 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6866
6867         PR middle-end/23369
6868         * fold-const.c (build_range_check): Disable optimization for function
6869         pointer expressions on targets that require function pointer
6870         canonicalization.
6871
6872 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
6873
6874         * simplify-rtx.c (simplify_const_relational_operation): When
6875         extracting arguments of a COMPARE, recompute the mode as well.
6876
6877 2005-08-15  Ian Lance Taylor  <ian@airs.com>
6878
6879         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6880
6881 2005-08-15  DJ Delorie  <dj@redhat.com>
6882
6883         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6884         the stack.
6885         (movsi_splittable): Allow, but split, moves to the stack.
6886         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6887         stack.
6888
6889 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6890
6891         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6892         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6893         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6894
6895         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6896         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6897         Delete HOST_PTR_PRINTF.
6898
6899         * configure, config.in: Regenerate.
6900
6901 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
6902
6903         * config/rs6000/rs6000.md (QHSI): New mode macro.
6904         (wd): Extend mode attr for QImode and HImode
6905         (dbits): New mode attr.
6906         (zero_extend<mode>di2): Convert to mode macro.
6907
6908 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
6909
6910         PR target/21841
6911         * doc/invoke.texi (-mgnu-ld): Update description.
6912         (-mhp-ld): Ditto.
6913
6914 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6915
6916         PR 23391
6917         * Makefile.in (tree-chrec.o): Depends on real.h.
6918         * tree-chrec.c: Include real.h.
6919         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6920         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6921         * tree-scalar-evolution.c (add_to_evolution_1,
6922         interpret_rhs_modify_expr): Ditto.
6923
6924 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6925
6926         PR 23386
6927         * tree-data-ref.c (estimate_niter_from_size_of_data): When
6928         step is negative compute the estimation from init downwards to zero.
6929
6930 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
6931
6932         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6933
6934 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6935
6936         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6937         constraint.
6938         (legitimate_reload_constant_p): Fix handling of lliXX operands.
6939         Accept double-word constants that can be split.
6940         * config/s390/s390.md ("movti"): Use 'P' constraint.
6941         ("*movdi_31", "*movdf_31"): Likewise.
6942
6943 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
6944
6945         Fix PR tree-optimization/22615
6946
6947         * tree-ssa-structalias.c (solution_set_add): Handle
6948         first_vi_for_offset returning NULL.
6949         (do_da_constraint): Ditto.
6950         (do_sd_constraint): Ditto.
6951         (do_ds_constraint): Ditto
6952         (find_func_aliases): Ditto.
6953         (build_constraint_graph): RHS is allowed be ANYTHING.
6954         (first_vi_for_offset): Return NULL if we couldn't find anything at
6955         the offset.
6956
6957 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6958
6959         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6960         over memory as first operand.
6961
6962 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
6963
6964         PR target/23360
6965         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6966         available for setting it.
6967
6968 2005-08-14  Ira Rosen  <irar@il.ibm.com>
6969
6970         PR tree-optimization/23320
6971         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6972         data-refs' types instead of base object nullness. Add check for
6973         pointer type data-refs before first location comparison. Remove
6974         assert.
6975
6976 2005-08-14  Andreas Schwab  <schwab@suse.de>
6977
6978         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6979
6980 2005-08-13  James E Wilson  <wilson@specifix.com>
6981
6982         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6983         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6984         -fstack-protector-all, --param ssp-buffer-size): Document.
6985         (-Wvariadic-macros): Alphabetize.
6986         (-fsched-stalled-insns-dep): Add missing 'f'.
6987
6988         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6989         macros.
6990
6991 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
6992
6993         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6994         or indirect address operand.
6995         (EXTRA_ADDRESS_CONSTRAINT): New.
6996         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6997
6998 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
6999
7000         PR tree-optimization/22236
7001         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7002         successors and predecessors.
7003         * tree-chrec.c (chrec_convert): Before converting, check that
7004         sequences don't wrap.
7005         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7006         (analyze_array): Extern.
7007         (find_data_references_in_loop): Remove call to
7008         compute_estimated_nb_iterations.
7009         * tree-data-ref.h (analyze_array): Declared.
7010         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7011         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7012         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7013         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7014         condition.
7015         * tree-ssa-loop-ivcanon.c: Fix documentation.
7016         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7017         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7018         (infer_loop_bounds_from_undefined): New.
7019         (estimate_numbers_of_iterations_loop): Use
7020         infer_loop_bounds_from_undefined.
7021         (used_in_pointer_arithmetic_p): New.
7022         (scev_probably_wraps_p): Pass an extra parameter.  Call
7023         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7024         (convert_step): Fix documentation.
7025         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7026         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7027         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7028         scev_probably_wraps_p.
7029
7030 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7031
7032         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7033         (s390_register_info): Ignore clobbered_regs information for fixed
7034         registers, and only fixed registers.
7035         (s390_init_frame_layout): Remove redundant call.
7036
7037 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7038
7039         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7040         description of -Wold-style-casts.
7041
7042 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7043             Jakub Jelinek  <jakub@redhat.com>
7044
7045         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7046         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7047         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7048         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7049         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7050         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7051         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7052         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7053         ("stack_protect_set", "stack_protect_test"): New expanders.
7054         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7055         "stack_protect_testdi"): New insn definitions.
7056
7057 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7058
7059         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7060
7061 2005-08-12  Paul Brook  <paul@codesourcery.com>
7062
7063         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7064
7065 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7066
7067         * config/s390/predicates.md (setmem_operand): New predicate.
7068         (shift_count_operand): Accept ANDs with special constants as
7069         operand.
7070         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7071         with special constants.
7072         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7073         shift_count_operand with setmem_operand.
7074
7075 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7076
7077         * config/s390/s390.c (s390_extract_part, s390_single_part):
7078         Type cast added.
7079         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7080         (s390_output_mi_thunk): Don't use lg on 31 bit.
7081         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7082         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7083
7084 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7085
7086         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7087         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7088         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7089         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7090         with one of the new macros.
7091
7092 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7093
7094         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7095         Don't set save_return_addr_p.
7096         (s390_register_info): Make clobbered_regs not depending on
7097         save_return_addr_p.
7098
7099 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7100
7101         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7102         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7103
7104 2005-08-11  James E. Wilson  <wilson@specifix.com>
7105
7106         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7107
7108 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7109
7110         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7111         locations gathered by var-tracking in single entry loc_list
7112         over loc_descriptor_from_tree.
7113
7114         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7115         pass it down to loc_descriptor.
7116         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7117         (containing_function_has_frame_base): Move earlier in the file.
7118         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7119         instead of always assuming fbreg can't be used.
7120
7121 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7122
7123         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7124         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7125         Accept address wrapped in AND for Altivec.
7126         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7127         Strip AND wrapping offset address for Altivec.
7128
7129 2005-08-11  Richard Henderson  <rth@redhat.com>
7130
7131         PR middle-end/23312
7132         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7133         before using TYPE_IS_SIZETYPE.
7134
7135 2005-08-11  Richard Henderson  <rth@redhat.com>
7136
7137         PR target/22225
7138         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7139         insn types not present on ev4.
7140         (alphaev5_insn_pipe): Similarly.
7141
7142 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7143
7144         PR target/23250
7145         * arm.c (arm_override_options): If the user has selected callee-super-
7146         interworking, then enable normal interworking.
7147
7148 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7149
7150         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7151         redefinition.
7152
7153 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7154
7155         * doc/rtl.texi: Fix two typos.
7156
7157 2005-08-11  Richard Guenther  <rguenther@suse.de>
7158
7159         PR target/23289
7160         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7161         cases where we call to/from functions returning void.
7162
7163 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7164
7165         PR c++/23225
7166         * tree.c (build_pointer_type_for_mode): Robustify.
7167
7168 2005-08-10  James E Wilson  <wilson@specifix.com>
7169
7170         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7171         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7172
7173         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7174         "cum->".
7175
7176 2005-08-10  Eric Christopher  <echristo@apple.com>
7177
7178         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7179         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7180         V2DFmode.
7181
7182 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7183
7184         PR target/21887
7185         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7186         for the high part when generating dynamic-no-pic code.
7187
7188 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7189
7190         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7191         (x86_64-*-linux*): Likewise.
7192
7193         * config/i386/crtfastmath.c: New file.
7194         * config/i386/t-crtfm: Likewise.
7195
7196         * config/i386/linux.h (ENDFILE_SPEC): New.
7197         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7198
7199         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7200         crtfastmath.o.
7201
7202 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7203
7204         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7205         (vec_shl, vec_shr): Document new operations.
7206         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7207
7208 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7209
7210         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7211         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7212         change predicate to indexed_or_indirect_address.
7213
7214 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7215
7216         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7217         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7218         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7219         and __aeabi_uwrite8.
7220         * config/arm/unaligned-funcs.c: New file.
7221         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7222
7223 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7224
7225         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7226         Add dump.
7227         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7228         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7229         Add dump.
7230         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7231         * final.c (pass_shorten_branches): Add dump.
7232         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7233         (pass_life): Rename dump.
7234         (rest_of_handle_flow2): Remove initial verify_flow_info.
7235         * function.c (pass_instantiate_virtual_regs): Add dump.
7236         * integrate.c (pass_initial_value_sets): Add dump.
7237         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7238         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7239         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7240         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7241         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7242         gate_rtl_unrool_and_peel_loops): New.
7243         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7244         rtl_doloop): Do not look at flags.
7245         * mode-switching.c (pass_mode_switching): Add dump.
7246         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7247         pass_split_before_regstack): Add dump.
7248         * regmove.c (pass_stack_adjustments): Add dump.
7249         * tree-optimize.c (pass_fixup_cfg): Add dump.
7250
7251 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7252
7253         PR 23309
7254         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7255         deciding which instruction sequence to use.
7256
7257 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7258
7259         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7260         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7261
7262 2005-08-09  Richard Guenther  <rguenther@suse.de>
7263
7264         * c-common.c (builtin_function_2): Remove.
7265         (def_builtin_1): New function.
7266         (c_common_nodes_and_builtins): Use def_builtin_1 to
7267         build builtin functions.
7268
7269 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7270
7271         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7272         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7273         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7274         Visual DSP.
7275
7276 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7277
7278         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7279         fold_binary instead of fold_build2 since we don't care about the
7280         resulting tree.
7281         (loop_niter_by_eval): Likewise.
7282         (compare_trees): Likewise.
7283         (proved_non_wrapping_p): Likewise.
7284
7285 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7286
7287         PR c/23161
7288         PR c/23165
7289         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7290         if the if is really empty.
7291
7292 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7293
7294         PR tree-optimization/23234
7295         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7296         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7297         argument of the new enum.
7298         (execute_cse_reciprocals): Add reciprocals for function arguments
7299         on the unique successor edge of the entry block.  Update other calls
7300         to execute_cse_reciprocals_1.
7301
7302 2005-08-08  Richard Henderson  <rth@redhat.com>
7303
7304         PR 22439
7305         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7306
7307 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7308
7309         * expr.c (write_complex_part): Return after handling MEM.
7310
7311 2005-08-08  Josh Conner  <jconner@apple.com>
7312
7313         PR rtl-optimization/23241
7314         * combine.c (simplify_comparison): Fix error in determining
7315         whether to lift a subreg from comparison.
7316
7317 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7318
7319         PR target/18506
7320         * config/rs6000/altivec.md (vec_init<mode>): New.
7321         (vec_set<mode>): New.
7322         (vec_extract<mode>): New.
7323         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7324         (rs6000_expand_vector_set): New.
7325         (rs6000_expand_vector_extract): New.
7326         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7327         for Altivec modes before reload.
7328         (altivec_expand_vec_init_builtin): New.
7329         (get_element_number): New.
7330         (altivec_expand_vec_set_builtin): New.
7331         (altivec_expand_vec_ext_builtin): New.
7332         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7333         builtins.
7334         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7335         builtins.
7336         * config/rs6000/rs6000.h (rs6000_builtins): Add
7337         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7338         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7339         * config/rs6000/rs6000-protos.h: Declare new functions.
7340
7341 2005-08-08  Jan Hubicka  <jh@suse.cz>
7342
7343         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7344         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7345         * i386.md (movdi*): Use pic_32bit_operand.
7346         * predicates.md (pic_32bit_operand): New.
7347
7348 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7349
7350         PR c++/21166
7351         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7352
7353 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7354
7355         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7356         (test_for_singularity): Use fold_build2.
7357
7358 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7359
7360         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7361
7362 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7363
7364         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7365         (COMMON_ASM_OP) Define.
7366         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7367         (ix86_encode_section_info): Likewise.
7368         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7369         SUBTARGET_ENCODE_SECTION_INFO.
7370
7371 2005-08-06  Richard Henderson  <rth@redhat.com>
7372
7373         PR 21894
7374         * tree-nested.c (convert_local_reference): Save and restore val_only
7375         around component_ref and friends.  Clear walk_subtrees by default.
7376
7377 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7378
7379         PR 21366
7380         * gcc.c (process_command): Check the argument to -b has a dash.
7381         * doc/invoke.texi: Update -b and -V docs.
7382
7383 2005-08-06  James E Wilson  <wilson@specifix.com>
7384
7385         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7386
7387 2005-08-06  Michael Matz  <matz@suse.de>
7388
7389         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7390         member only if only one insn is associated with the value.
7391
7392 2005-08-06  Nick Clifton  <nickc@redhat.com>
7393
7394         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7395         New define.
7396         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7397         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7398         Check symbol flags instead of symbol name mangling.
7399         (xstormy16_asm_output_aligned_common): Likewise.  Also
7400         simplify code since the bss100_section cass is the only case
7401         where the below100 code will be triggered.
7402         (xstormy16_encode_section_info): Encode below100 attribute
7403         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7404         the name.
7405         (xstormy16_strip_name_encoding): Delete - this function is no
7406         longer needed.
7407         (TARGET_STRIP_NAME_ENCODING): Undefine.
7408         * config/stormy16/stormy16-protos.h: Delete prototype for
7409         xstormy16_strip_name_encoding.
7410
7411 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7412
7413         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7414         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7415         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7416         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7417         config/alpha/predicates.md, config/arc/arc.h,
7418         config/arm/arm.h, config/arm/ieee754-df.S,
7419         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7420         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7421         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7422         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7423         config/m68hc11/m68hc11.h, config/mips/mips.c,
7424         config/mips/mips.h, config/mips/openbsd.h,
7425         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7426         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7427         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7428         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7429         config/sparc/linux.h, config/sparc/linux64.h,
7430         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7431         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7432         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7433         typos.  Follow spelling conventions.
7434
7435 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7436
7437         PR c/23113
7438         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7439         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7440         specially.  Check for side effects only for COND_EXPR.
7441         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7442         return with TREE_NO_WARNING.
7443
7444 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7445
7446         PR rtl-optimization/23233
7447         * loop.c (combine_movables): Require the modes to be the same.
7448         (move_movables): Remove handling of cases where the replacement
7449         had a different mode to the original.
7450
7451 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7452
7453         PR tree-optimization/23128
7454         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7455         subtraction wrap, and set TREE_OVERFLOW if they do.
7456
7457 2005-08-05  Richard Henderson  <rth@redhat.com>
7458
7459         PR 21728
7460         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7461         FORCED_LABEL labels.
7462
7463 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7464
7465         PR middle-end/23135
7466         * reload.c (find_reloads_subreg_address): Pass down TYPE
7467         unchanged.  Change all callers except find_reloads_toplev.
7468
7469 2005-08-05  Michael Matz  <matz@suse.de>
7470
7471         * genattrtab.c (current_alternative_string): Remove.
7472         (SIMPLIFY_ALTERNATIVE): Ditto.
7473         (attr_alt_bit_p): Ditto.
7474         (alternative_name): Make const char *.
7475         (evaluate_eq_attr): Remove use of above things.
7476         (simplify_test_exp): Ditto.
7477         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7478         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7479
7480 2005-08-04  James E Wilson  <wilson@specifix.com>
7481
7482         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7483         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7484         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7485         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7486         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7487
7488 2005-08-04  Richard Henderson  <rth@redhat.com>
7489
7490         PR 21529
7491         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7492         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7493         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7494         if we'd have to instantiate too many members.
7495
7496 2005-08-04  Richard Henderson  <rth@redhat.com>
7497
7498         PR 21291
7499         * tree-outof-ssa.c (coalesce_asm_operands): New.
7500         (coalesce_ssa_name): Use it.  Split out ...
7501         (coalesce_phi_operands, coalesce_result_decls): ... these.
7502
7503 2005-08-04  Paul Brook  <paul@codesourcery.com>
7504
7505         * read-rtl.c (read_quoted_string): Break if EOF.
7506
7507 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7508
7509         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7510         (fold_build2): Likewise.
7511         (fold_build3): Likewise.
7512         (fold_build1_stat): New function prototype.
7513         (fold_build2_stat): Likewise.
7514         (fold_build3_stat): Likewise.
7515         * fold-const.c (fold_build1): Rename to ..
7516         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7517         through to build1_stat.
7518         (fold_build2): Rename to ..
7519         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7520         through to build2_stat.
7521         (fold_build3): Rename to ..
7522         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7523         through to build3_stat.
7524
7525 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7526             Ian Lance Taylor  <ian@airs.com>
7527
7528         * function.c (assign_stack_local_1): Do not correct stack slot
7529         address if allocation size is smaller than mode size.
7530
7531 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7532
7533         PR 22037
7534         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7535         (tree_merge_blocks): Propagate anything allowed by
7536         may_propagate_copy.
7537         Clarify documentation.
7538         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7539         SSA form, schedule an update if necessary.
7540
7541 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7542
7543         * doc/install.texi (Binaries): Remove broken link to
7544         Sinix/Reliant Unix binaries.
7545
7546 2005-08-03  Richard Henderson  <rth@redhat.com>
7547
7548         PR 23221
7549         * function.c (stack_protect_epilogue): Export.
7550         * tree.h (stack_protect_epilogue): Declare.
7551         * calls.c (expand_call): Call it.
7552
7553 2005-08-03  Eric Christopher  <echristo@apple.com>
7554
7555         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7556         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7557         spec.
7558
7559 2005-08-04  Jan Hubicka  <jh@suse.cz>
7560
7561         * profile.c (branch_prob): Split edges with goto locus on them
7562         to get proper line counts.
7563         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7564
7565 2005-08-03  Paul Brook  <paul@codesourcery.com>
7566
7567         * function.c (assign_parms): Round current_function_args_size
7568         to PARM_BOUNDARY, not STACK_BOUNDARY.
7569
7570 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7571
7572         * config/i386/i386.c (x86_elf_aligned_common)
7573         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7574
7575 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7576
7577         PR tree-optimization/23157
7578         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7579         before emitting them.
7580
7581 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7582
7583         PR tree-optimization/19899
7584         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7585         * tree-scalar-evolution.c: Include real.h.
7586         (add_to_evolution): Build constant -1 of correct type.
7587
7588 2005-08-03  Jan Hubicka  <jh@suse.cz>
7589
7590         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7591         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7592         profile updating for complette unrolling.
7593         * loop-unroll.c (peel_loop_completely): Use it.
7594         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7595         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7596         loops.
7597
7598 2005-08-03  Paul Brook  <paul@codesourcery.com>
7599
7600         * combine.c (can_change_dest_mode): New function.
7601         (try_combine, simplify_set): Use it.
7602
7603 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7604
7605         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7606         TFmode to BLKmode.
7607
7608 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7609
7610         * doc/install.texi (Specific): Adjust link to openavr.org.
7611         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7612         (Binaries): Adjust HP-UX Porting Center link.
7613         (Binaries): Adjust Free Software Foundation ordering link.
7614
7615 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7616
7617         * convert.c (convert_to_integer): Use fold_build1 instead of
7618         build1 when converting an integer to an integer.
7619
7620 2005-08-02  Richard Henderson  <rth@redhat.com>
7621
7622         * combine.c (combine_instructions): Don't use reg_equal/equiv
7623         results if the mode doesn't match.
7624
7625 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7626
7627         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7628         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7629
7630 2005-08-02  Richard Henderson  <rth@redhat.com>
7631
7632         PR 23196
7633         * explow.c (memory_address): Remove special-case for
7634         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7635
7636 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7637
7638         PR 23164
7639         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7640         number of calls to cleanup_tree_cfg_1.
7641
7642 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7643
7644         * doc/invoke.texi: document file extensions .F90 and .F95
7645
7646 2005-08-02  Richard Guenther  <rguenther@suse.de>
7647
7648         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7649         positive if its first argument is positive.
7650
7651 2005-08-02  Richard Guenther  <rguenther@suse.de>
7652
7653         PR tree-optimization/23177
7654         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7655         on TMR_TAG.
7656
7657 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7658
7659         PR tree-optimization/23129
7660         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7661         varying for divisions with anti-ranges.
7662
7663 2005-08-02  Jan Hubicka  <jh@suse.cz>
7664
7665         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7666         * tree-ssa-threadupdate.c (thread_block): Add it here.
7667
7668 2005-08-01  James E Wilson  <wilson@specifix.com>
7669
7670         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7671         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7672         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7673         New.
7674         * config/mips/predicates.md (const_call_insn_operand): Add check for
7675         SYMBOL_REF_LONG_CALL_P.
7676         * doc/extend.texi (long_call): Document the new attribute.
7677
7678 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7679             Richard Henderson  <rth@redhat.com>
7680
7681         * Makefile.in (RTL_BASE_H): Add real.h.
7682         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7683         instead of memcpy.
7684         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7685         directly.
7686         * rtl.c (rtl_check_failed_code_mode): New.
7687         * rtl.h (struct rtx_def): Add u.rv.
7688         (XCMWINT, XCNMPRV): New.
7689         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7690         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7691
7692 2005-08-01  Richard Henderson  <rth@redhat.com>
7693
7694         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7695         with auto-inc codes.
7696
7697         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7698
7699 2005-08-01  Jan Hubicka  <jh@suse.cz>
7700
7701         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7702         * i386.c: Include dwarf2.h
7703         (asm_preferred_eh_data_format): New.
7704         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7705
7706 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7707
7708         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7709         randomize_va_space for virtual address randomization control.
7710
7711 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7712
7713         * common.opt (flag_ipa_cp): Put in right place to maintain
7714         alphabetic sort.
7715
7716 2005-08-01  Jan Hubicka  <jh@suse.cz>
7717
7718         * profile.c (compute_value_histograms): Fix thinko.
7719         * value-prof.c: Include toplev.h
7720         (check_counter): New function.
7721         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7722         tree_mod_subtract_transform): Add sanity check.
7723
7724 2005-08-01  Richard Guenther  <rguenther@suse.de>
7725
7726         PR tree-optimization/23133
7727         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7728         current functions parameter decls to find defs to cse
7729         reciprocals of.
7730
7731 2005-08-01  Richard Guenther  <rguenther@suse.de>
7732
7733         PR tree-optimization/23109
7734         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7735         If trapping math is in effect, use post-dominator information
7736         to check if we'd in any case reach a trapping point before
7737         doing the reciprocal insertion.
7738         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7739         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7740         expressions are invariant only if trapping math is not in effect.
7741
7742 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7743
7744         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7745         cgraph_function_versioning): New declarations.
7746         * cgraphunit.c: Add include to ipa-prop.h.
7747         (update_call_expr, cgraph_copy_node_for_versioning,
7748         cgraph_function_versioning): New functions.
7749         * integrate.c (copy_decl_for_inlining): Remove.
7750         * ipa-prop.h (ipa_replace_map): New struct.
7751         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7752         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7753         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7754         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7755         ipcp_iterate_stage, ipcp_method_scale_print,
7756         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7757         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7758         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7759         ipcp_update_bb_counts, ipcp_update_profiling,
7760         ipcp_update_edges_counts): New functions.
7761         (ipcp_method_cval_init): Remove restriction regarding local methods.
7762         (ipcp_init_stage): Add ipcp_method_compute_scale.
7763         (ipcp_insert_stage): Add versioning.
7764         (ipcp_structures_print): Add ipcp_method_scale_print.
7765         (ipcp_driver): Dump profiling info.
7766         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7767         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7768         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7769         (struct inline_data): Add versioning_p, ipa_info, new fields.
7770         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7771         declare_return_variable): Replace calls to copy_decl_for_inlining with
7772         copy_decl_for_dup.
7773         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7774         versioning support.
7775         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7776         Add argument VERSIONING.
7777         (copy_arguments_for_versioning, copy_static_chain,
7778         function_versionable_p, tree_versionable_function_p,
7779         tree_function_versioning, replace_ref_tree): New functions.
7780         * tree-inline.h: Include varray.h.
7781         (tree_versionable_function_p,  tree_function_versioning,
7782         tree copy_decl_for_dup): New declarations.
7783
7784 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7785
7786         * ipa-cp.c: New file. Contains IPCP specific functionality.
7787         * ipa-prop.h: New file. Contains structures/definitions that can be
7788         used by several interprocedural data flow optimizations (and also IPCP).
7789         * ipa-prop.c: New file.
7790         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7791         * common.opt: Add ipa-cp flag.
7792         * timevar.def: Add IPCP optimization.
7793         * tree-optimize.c (init_tree_optimization_passes): Schedule
7794         pass_ipa_cp.
7795         * tree-pass.h (pass_ipa_cp): Declare.
7796
7797 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7798
7799         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7800         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7801         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7802         config/i386/i386.c, config/mips/mips.h,
7803         config/rs6000/rs6000.h, config/sh/sh.c,
7804         config/stormy16/stormy16.c: Fix comment typos.
7805
7806 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7807
7808         PR c/22311
7809         * c-typeck.c (build_binary_op): Use common_type wrapper on
7810         shortened types.
7811         (common_type): Update comment.
7812
7813 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7814
7815         PR target/23095
7816         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7817         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7818         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7819
7820 2005-07-31  Jan Hubicka  <jh@suse.cz>
7821
7822         * pretty-print.h (pp_widest_integer): New macro.
7823         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7824         counts.
7825
7826 2005-07-31  Jan Hubicka  <jh@suse.cz>
7827
7828         * output.h (enum section_category): Export from varasm.c
7829         (categorize_decl_for_section): Likewise.
7830         * varasm.c (enum section_category): Kill.
7831         (categorize_decl_for_section): Make global.
7832         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7833         Declare.
7834         * i386.c (ix86_section_threshold): New static variable.
7835         (ix86_in_large_data_p, ix86_encode_section_info,
7836         x86_64_elf_unique_section,
7837         x86_64_elf_select_section): New functions.
7838         (TARGET_ENCODE_SECTION_INFO): Define
7839         (override_options): Enable medium model for PIC.
7840         (ix86_expand_prologue): Expand gen_set_got_rex64.
7841         (legitimate_constant_p): Handle new UNSPECs.
7842         (legitimate_pic_address_disp_p): Likewise.
7843         (legitimize_pic_address): Lower MEDIUM model addressing.
7844         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7845         (enum cmodel): Add MEDIUM_PIC.
7846         (SYMBOL_REF_FAR_ADDR_P): New macro.
7847         (SYMBOL_FLAG_FAR_ADDR): New flag.
7848         * i386.md (movdi): Support medium model.
7849         (set_got_rex64): New pattern.
7850         * i386.opt (mlarge-data-threshold): New flag.
7851         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7852         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7853         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7854         TARGET_ASM_UNIQUE_SECTION): New.
7855
7856         * invoke.texi (-mlarge_data_threshold): Document
7857
7858 2005-07-31  Jan Hubicka  <jh@suse.cz>
7859
7860         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7861         (coalesce_vars): Likewise.
7862         * tree-ssa-live.c (coalesce_cost): New.
7863         (build_tree_conflict_graph): Use coalesce_cost.
7864         * tree-ssa-live.h (coalesce_cost): Declare.
7865
7866 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7867
7868         * arm.md (all peepholes for post-increment operations): Delete.
7869         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7870         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7871         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7872         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7873         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7874
7875 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
7876
7877         * fold-const.c (tree_expr_nonnegative_p): Always return true for
7878         non-integral types.
7879
7880 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
7881
7882         PR target/22582
7883         * doc/invoke.texi: Document -rdynamic.
7884
7885 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
7886
7887         PR c/23143
7888         * c-parser.c (c_parser_parms_list_declarator): Call
7889         mark_forward_parm_decls.
7890         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7891         decls with visibility structure.
7892
7893 2005-07-30  Paul Brook  <paul@codesourcery.com>
7894
7895         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7896
7897 2005-07-30  Paul Brook  <paul@codesourcery.com>
7898
7899         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7900         prototype.
7901         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7902         value for mode.
7903         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7904
7905 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7906
7907         PR c/529
7908         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7909         nested function declarators.
7910         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7911         (grokparms): Call warn_if_shadowing for parameters used within the
7912         parameter list.
7913         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7914         not used within the parameter list.
7915         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7916
7917 2005-07-30  Jan Hubicka  <jh@suse.cz>
7918
7919         * expr.c (expand_expr_real_1): Do not load mem targets into register.
7920         * i386.c (ix86_fixup_binary_operands): Likewise.
7921         (ix86_expand_unary_operator): Likewise.
7922         (ix86_expand_fp_absneg_operator): Likewise.
7923         * optabs.c (expand_vec_cond_expr): Validate dest.
7924
7925 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7926
7927         PR c/21720
7928         * real.c (real_from_string): Also set last bit if there is a
7929         nonzero hex digit beyond GCC's internal precision after ".".
7930
7931 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
7932
7933         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7934         define_constants.  Change duplicate values to unassigned numbers.
7935         Change UNSPEC_SUBS to UNSPEC_VSUBS.
7936         (*altivec_vspltsf): New.
7937         (altivec_vperm_v4sf): Delete.
7938         (altivec_vperm_<mode>): Use mode macro V.
7939         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7940         (altivec_predicate_v4sf): Delete.
7941         (altivec_predicate_<mode>): Use mode macro V.
7942         (*altivec_lvesfx): New.
7943         (*altivec_stvesfx): New.
7944         (vec_realign_load_v4sf): Delete.
7945         (vec_realign_load_<mode>): Use mode macro V.
7946         * config/rs6000/rs6000.c (generate_set_vrsave): Use
7947         UNSPECV_SET_VRSAVE.
7948
7949 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
7950
7951         PR bootstrap/23131
7952         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7953         string.
7954         * configure: Regenerated.
7955
7956 2005-07-29  Paul Brook  <paul@codesourcery.com>
7957
7958         * doc/install.texi: Add link to GFortran binaries wiki page.
7959
7960 2005-07-29  David Ung  <davidu@mips.com>
7961
7962         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7963         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7964         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7965         * config/mips/mips.md (cpu): Add 5kf name.
7966         (includes): Includes 5k.md.
7967         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7968         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7969         -march flag.
7970
7971 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7972
7973         PR 22550
7974         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7975         (cleanup_tree_cfg): ... here.
7976         Call cleanup_tree_cfg_1 until there are no more cleanups to
7977         do.
7978
7979 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
7980
7981         * tree-vrp.c (compare_range_with_value): Return true or false
7982         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7983         EQ_EXPR respectively.
7984
7985 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
7986
7987         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7988         Fix comment typos.
7989
7990 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7991
7992         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7993         (tree_ssa_dominator_optimize): Increment it.
7994         (dump_dominator_optimization_stats): Print it.
7995
7996 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
7997             Steven Bosscher  <stevenb@suse.de>
7998
7999         PR rtl-optimization/23117
8000         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8001         when head == tail.  Tidy comment.
8002
8003 2005-07-28  Richard Henderson  <rth@redhat.com>
8004
8005         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8006         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8007         * jump.c (rtx_renumbered_equal_p): Likewise.
8008         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8009         CONST_INT and CONST_DOUBLE.
8010         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8011         * reload.c (operands_match_p): Special case CONST_INT and
8012         CONST_DOUBLE; check mode earlier.
8013
8014 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8015
8016         PR c/22240
8017         * c-typeck.c (convert_for_assignment): Do not check
8018         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8019
8020 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8021
8022         PR c/22192
8023         * c-typeck.c (composite_type): Prefer constant size arrays to
8024         VLAs.
8025
8026 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8027
8028         PR c/21720
8029         * real.c (real_from_string): Set last bit if there is a nonzero
8030         hex digit beyond GCC's internal precision.
8031
8032 2005-07-28  Richard Henderson  <rth@redhat.com>
8033
8034         PR rtl-opt/22619
8035         * cfgcleanup.c (try_forward_edges): Watch out for end of
8036         insn chain.
8037
8038 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8039
8040         PR c/23106
8041         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8042
8043 2005-07-28  Jan Hubicka  <jh@suse.cz>
8044
8045         * Makefile.in (rtl-profile.o): Kill all traces of it.
8046         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8047         * coverage.h (rtl_coverage_counter_ref): Kill.
8048         * opts.c (flag_speculative_prefetching_set): Kill.
8049         (flag_loop_optimize_set): New.
8050         (common_handle_option): Disable loop optimizer when profiling;
8051         do not handle speculative prefetching.
8052         * passes.c (init_optimization_passes): Replace pass_profiling combo
8053         by branch_prob pass.
8054         * profile.c (compute_value_histograms): Update for simplified value
8055         profiles.
8056         (rtl_register_profile_hooks): Kill.
8057         (pass_profiling): Kill.
8058         (rest_of_handle_branch_prob): Do not profile.
8059         * toplev.c (process_options): Remove speculative prefetching.
8060         * toplev.h (flag_tree_based_profiling): Kill.
8061         * tree-profile.c (prepare_instrumented_value,
8062         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8063         tree_gen_one_value_profiler, do_tree_profiling): Update for
8064         simplified datastructures.
8065         * value-prof.c: Add comment that speculative prefetching was dropped;
8066         update rest of file for simplified datastructures.
8067         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8068         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8069         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8070         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8071         rtl_mod_subtract, gen_speculative_prefetch,
8072         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8073         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8074         (gate_handle_value_profile_transformations,
8075         rest_of_handle_value_profile_transformations,
8076         pass_value_profile_transformations): Kill.
8077         * value-prof.h (histogram_value_t): Remove IL based unions.
8078         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8079         rtl_profile_hooks): Remove hooks.
8080
8081         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8082
8083         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8084         (cgraph_clone_node): Likewise.
8085         * cgraph.h (cgraph_clone_edge): Update prototype.
8086         (cgraph_clone_node): Likewise.
8087         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8088         cgraph_clone_node.
8089         (lookup_recursive_calls): Consider profile.
8090         (cgraph_decide_recursive_inlining): Fix updating; use new
8091         probability argument; use profile.
8092         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8093         * tree-inline.c (copy_bb): Update clal of clone_edge.
8094         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8095
8096         * invoke.texi (min-inline-recursive-probability): Document.
8097
8098 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8099
8100         * doc/install.texi (Configuration): Update Valgrind homepage.
8101
8102 2005-07-28  Richard Henderson  <rth@redhat.com>
8103
8104         PR middle-end/21362
8105         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8106         labels we want to delete.
8107         (cfg_layout_merge_blocks): Likewise.
8108
8109 2005-07-28  Richard Henderson  <rth@redhat.com>
8110
8111         PR target/17692
8112         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8113         when expanding to nothing.
8114
8115 2005-07-28  Josh Conner  <jconner@apple.com>
8116
8117         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8118         (cgraph_decide_inlining_of_small_functions): Likewise.
8119
8120 2005-07-28  Josh Conner  <jconner@apple.com>
8121
8122         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8123         direction of badness if negative.
8124         (cgraph_default_inline_p): Add reason to parameters, and assign it
8125         a value.
8126         (cgraph_decide_inlining_of_small_functions): New parameter in call
8127         to cgraph_default_inline_p.
8128         (cgraph_decide_inlining_incrementally): Likewise.
8129         * cgraphunit.c (decide_is_function_needed): Likewise.
8130         * cgraph.h (cgraph_default_inline_p): Likewise.
8131
8132 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8133
8134         * builtins.c: Fix comment typo(s).
8135         * genautomata.c: Likewise.
8136         * gimplify.c: Likewise.
8137         * tree-dfa.c: Likewise.
8138         * tree-flow-inline.h: Likewise.
8139         * tree-into-ssa.c: Likewise.
8140         * tree-ssa-alias.c: Likewise.
8141         * tree-ssa-ccp.c: Likewise.
8142         * tree-ssa-copy.c: Likewise.
8143         * tree-ssa-dce.c: Likewise.
8144         * tree-ssa-dom.c: Likewise.
8145         * tree-ssa-operands.c: Likewise.
8146         * tree-tailcall.c: Likewise.
8147         * tree-vectorizer.c: Likewise.
8148         * tree-vrp.c: Likewise.
8149         * tree.c: Likewise.
8150
8151 2005-07-28  Jeff Law  <law@redhat.com>
8152
8153         * tree-vrp.c (test_for_singularity): Extracted from  ...
8154         (simplify_cond_using_ranges): Attempt to simplify a relational
8155         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8156
8157 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8158
8159         PR tree-optimization/22506
8160         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8161         phis whose argument is constant.
8162
8163 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8164
8165         PR rtl-optimization/18992
8166         Back out this patch:
8167           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8168           PR optimization/12142
8169           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8170           uses of the register in the SET_SRC.  Remove unnecessary argument.
8171
8172         Replace it with this:
8173         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8174         if flag_non_call_exceptions is set and the insn may trap, pass
8175         pc_rtx as dest for recursion.
8176         In SET_SRC part of SET case, if dest is already set, pass it down
8177         unchanged.
8178
8179 2005-07-28  Jan Hubicka  <jh@suse.cz>
8180
8181         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8182         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8183         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8184         roundoff errors.
8185         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8186         profile when available.
8187
8188 2005-07-28  Jan Beulich <jbeulich@novell.com>
8189
8190         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8191         (ia64_print_operand): Describe and handle 'X'.
8192         (ia64_register_move_cost): Also handle FP_REGS.
8193         (ia64_preferred_reload_class): Likewise.
8194         (ia64_secondary_reload_class): Likewise.
8195         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8196         it. Also check for ITANIUM_CLASS_FLDP.
8197         * config/ia64/ia64.h (FP_REGNO_P): New.
8198         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8199         (reg_class): Add FP_REGS.
8200         (REG_CLASS_NAMES): Adjust for it.
8201         (REG_CLASS_CONTENTS): Likewise.
8202         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8203         (REG_CLASS_FROM_LETTER): Handle 'x'.
8204         (CLASS_MAX_NREGS): Handle FP_REGS.
8205         (MEMORY_MOVE_COST): Likewise.
8206         * config/ia64/ia64.md (itanium_class): Add fldp.
8207         (type): Handle fldp.
8208         (movti_internal): More allowable operand combinations. Use ldfp8 when
8209         splitting unnecessary. Remove predicable attribute. Adjust
8210         itanium_class attribute.
8211         (smuldi3_highpart): Remove outdated comment.
8212         (mulditi3, umulditi3, rotlti3): New expanders.
8213         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8214         (absti2): Disabled new insn for future reference.
8215         Respective new splitters.
8216         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8217         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8218         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8219
8220 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8221
8222         PR rtl-optimization/23047
8223         * simplify-rtx.c (simplify_const_relational_operation): Respect
8224         flag_wrapv for comparisons with ABS.
8225
8226 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8227
8228         PR tree-optimization/22493
8229         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8230         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8231
8232 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8233
8234         * config/frv/frv.opt (moptimize-membar): New.
8235
8236         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8237
8238         * config/frv/frv.h: Remove machine_function definition.
8239
8240         * config/frv/frv.c (struct frv_io): New.
8241         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8242         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8243         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8244         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8245         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8246         (frv_reorg): Call frv_optimize_membar when appropriate.
8247         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8248         (frv_expand_builtin): Adjust calls accordingly.
8249         (frv_io_address_cookie): New function.
8250         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8251         load or store rather than a special insn.  Add ccnstant address and
8252         io-type operands to the membar.
8253         (frv_ifcvt_modify_tests): Unsign regno.
8254         (frv_ifcvt_modify_tests): Same.
8255
8256         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8257         UNSPEC_OPTIONAL_MEMBAR constant.
8258         (builtin_read_<mode>): Delete.
8259         (builtin_write_<mode>): Delete.
8260         ("optional_membar_<mode>"): Add operand.
8261
8262         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8263         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8264         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8265         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8266         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8267         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8268         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8269         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8270         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8271
8272 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8273
8274         * df.c (df_uses_record): Handle SCRATCH.
8275
8276 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8277
8278         PR debug/20161
8279         * passes.c (rest_of_decl_compilation): If decl is a type and
8280         we have encountered errors, don't emit debug information.
8281
8282 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8283
8284         * params.def: Fixed comment.
8285
8286 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8287
8288         PR target/19885
8289         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8290         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8291         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8292
8293 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8294
8295         PR c++/22003
8296         * varasm.c (assemble_start_function): Don't do anything that may
8297         require a CFG if the current function is a thunk.
8298
8299 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8300
8301         * doc/install.texi (Prerequisites): Mention that perl is needed
8302         to do export control in libstdc++ targetting Darwin.
8303
8304 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8305
8306         PR rtl-optimization/17808
8307         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8308         (sched_insns_conditions_mutex_p): Split out from...
8309         (add_dependence): ...here.  But don't call it from here.
8310         (add_dependence_list): Check sched_insns_conditions_mutex_p
8311         before calling add_dependence.
8312         (add_dependence_list_and_free): Likewise.
8313         (fixup_sched_groups): Likewise.
8314         (sched_analyze_1): Likewise.
8315         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8316         (sched_analyze): Likewise.
8317         (sched_analyze_insn): Likewise.
8318         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8319         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8320         dependencies on all COND_EXEC insns to jumps ending basic blocks
8321         when doing intrablock scheduling.
8322         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8323
8324 2005-07-27  Jeff Law  <law@redhat.com>
8325
8326         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8327         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8328         equivalency sets, correctly handle the case were vr0 has an
8329         equivalency set, but vr1 does not.
8330
8331 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8332
8333         PR tree-optimization/23073
8334         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8335         vect_print_dump_info before fprintf.
8336
8337 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8338
8339         PR tree-optimize/22348
8340         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8341         Fold the partial computation.
8342
8343 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8344
8345         PR tree-optimization/22325
8346         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8347         Declare.
8348         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8349         value replacement.
8350         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8351         (force_var_cost): ... this function.
8352         (compute_phi_arg_on_exit): Export.
8353
8354 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8355
8356         PR tree-optimization/20773
8357         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8358         edge.
8359
8360 2005-07-27  Richard Guenther  <rguenther@suse.de>
8361
8362         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8363         Avoid pushing again if current struct contains only
8364         fields we decomposed.
8365
8366 2005-07-27  Jan Hubicka  <jh@suse.cz>
8367
8368         PR tree-optimization/22574
8369         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8370         not available.
8371
8372         * tree-tailcall.c (decrease_profile): New function.
8373         (eliminate_tail_call): Use it.
8374
8375         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8376         visibility flags correctly in whole program mode.
8377
8378 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8379
8380         PR rtl-optimization/22472
8381         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8382
8383 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8384
8385         PR tree-optimization/22504
8386         * tree-complex.c (expand_complex_addition): Use 'code' instead
8387         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8388
8389 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8390
8391         * config.gcc (cpu_type): Add frv case.
8392         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8393         (supported_defaults): Add fr550 case.
8394
8395 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8396
8397         PR 22591
8398         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8399         whether a pointer of type T * may point to objects of type T *.
8400
8401 2005-07-26  DJ Delorie  <dj@redhat.com>
8402
8403         * configure: Regenerate.
8404
8405 2005-07-26  Dale Johannesen  <dalej@apple.com>
8406
8407         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8408
8409 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8410
8411         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8412         Clarify use of "build" in name.
8413
8414 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8415
8416         * doc/extend.texi (Raw read/write Functions): New section.
8417         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8418         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8419         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8420         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8421         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8422         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8423         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8424         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8425         * config/frv/frv.c: Add bdesc_loads global.
8426         Add bdesc_stores global.
8427         (frv_init_builtins): Add support for __builtin_{read/write}*.
8428         (frv_volatile_memref): New.
8429         (frv_expand_load_builtin): New.
8430         (frv_expand_store_builtin): New.
8431         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8432         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8433         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8434         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8435         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8436         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8437         (builtin_read_<mode>): New.
8438         (builtin_write_<mode>): New.
8439         (builtin_write64): New.
8440         (optional_membar_<mode>): New.
8441
8442 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8443
8444         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8445         (rather than units) against HOST_BITS_PER_WIDE_INT.
8446
8447 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8448
8449         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8450         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8451         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8452         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8453         FSF address.
8454
8455         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8456         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8457         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8458         comment typos.
8459         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8460
8461 2005-07-26  Richard Guenther  <rguenther@suse.de>
8462
8463         PR tree-optimization/22486
8464         * fold-const.c (fold_unary): Fold away useless component
8465         references of the form (T *)&T.x, if the address
8466         doesn't change.
8467
8468 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8469
8470         * dwarf2out.c (add_call_src_coords_attributes): New.
8471         (gen_inlined_subroutine_die): Call it.
8472         (maybe_emit_file, init_file_table): Add comments.
8473         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8474         maybe_emit_file.
8475         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8476         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8477         * tree.h (BLOCK_SOURCE_LOCATION): New.
8478         (struct tree_block): New field locus.
8479
8480 2005-07-26  Andreas Schwab  <schwab@suse.de>
8481
8482         PR rtl-optimization/23043
8483         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8484         when allocating a struct unoccr.
8485
8486 2005-07-25  Richard Henderson  <rth@redhat.com>
8487
8488         PR 22626
8489         * tree-complex.c (gate_no_optimization): True if errors.
8490         * Makefile.in (tree-complex.o): Update dependencies.
8491
8492 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8493
8494         * config/frv/predicates.md (integer_register_operand): Use
8495         GPR_AP_OR_PSEUDO_P.
8496
8497 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8498
8499         PR tree-opt/22484
8500         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8501         after fold.
8502         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8503
8504 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8505
8506         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8507         types when flag_unsafe_math_optimizations is true.
8508
8509 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8510
8511         * gcc.c (option_map): Add --sysroot.
8512         (process_command): Handle --sysroot.
8513         (display_help): Document it.
8514         * doc/cppopts.tex (-isysroot): Document.
8515         * doc/invoke.texi (--sysroot): Document.
8516         * doc/install.texi (--with-build-sysroot): Document.
8517
8518         * Makefile.in (inhibit_libc): New variable.
8519         (INHIBIT_LIBC_CFLAGS): Likewise.
8520         (LIBGCC2_CFLAGS): Include
8521         $(INHIBIT_LIBC_CFLAGS).
8522         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8523         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8524         ($(T)crtend.o): Likewise.
8525         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8526         ($(T)crtendS.o): Likewise.
8527         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8528         ($(T)crtendT.o): Likewise.
8529         (stmp-fixinc): Do not complain about missing headers if
8530         inhibit_libc.
8531         * configure.ac (inhibit_libc): Set it to true/false.
8532         (--with-build-sysroot): New option.  Use it to set
8533         SYSTEM_HEADER_DIR.
8534         * configure: Regenerated.
8535
8536 2005-07-25  Manfred Hollstein  <mh@suse.com>
8537
8538         * calls.c (store_one_arg): Fix unsigned comparison warning.
8539
8540 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8541
8542         PR other/22337
8543         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8544         (ggc_print_statistics): Initialize variable before use.
8545
8546 2005-07-25  Richard Guenther  <rguenther@suse.de>
8547
8548         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8549         calling with a PHI_NODE argument.
8550
8551         * tree-flow-inline.h (overlap_subvar): Protect against
8552         possible overflow.
8553
8554 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8555
8556         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8557         * configure: Regenerate.
8558
8559 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8560
8561         * expr.c (highest_pow2_factor): Make extern.
8562         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8563         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8564         record_array_differ_p, array_ptr_differ_p): Likewise.
8565         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8566         additional cases. Call the above functions.
8567         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8568         base_object_differ_p when there are two base objects. Otherwise, compare
8569         base address and offset. Call may_alias_p.
8570         (dump_data_reference): Use a correct field name.
8571         (analyze_array): Make static. Initialize new data-ref fields.
8572         (analyze_indirect_ref): New function.
8573         (init_data_ref): Initialize new data-ref fields.
8574         (strip_conversion): Moved from tree-vect-analyze.c.
8575         (analyze_offset_expr, get_ptr_offset, address_analysis,
8576         object_analysis): Likewise.
8577         (analyze_offset): New function.
8578         (create_data_ref): Likewise.
8579         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8580         dimensions for ARRAY_REFs only.
8581         (build_classic_dist_vector): Make static.
8582         (access_functions_are_affine_or_constant_p): Call macro to get the
8583         address of access functions.
8584         (compute_all_dependences): Add new parameter
8585         compute_self_and_read_read_dependences. Compute self and read-read
8586         dependences if it is true.
8587         (find_data_references_in_loop): Call create_data_ref. Initialize new
8588         data-ref fields.
8589         (compute_data_dependences_for_loop): Add new parameter
8590         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8591         compute nb_loops. Call compute_all_dependences,
8592         build_classic_dist_vector and build_classic_dir_vector with correct
8593         parameters.
8594         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8595         with correct parameters. Compare dimensions for ARRAY_REFs only.
8596         (free_data_refs): Call macro to free access functions.
8597         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8598         fields from stmt_vinfo.
8599         (struct base_object_info): New structure.
8600         (struct data_reference): Move fields to base_object_info. Add fields
8601         first_location and object_info for above structures. Move fields from
8602         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8603         aligned_to.  Add macros to access the new fields.
8604         Update functions declarations.
8605         * tree-flow.h (is_aliased_with): Declare.
8606         * tree-loop-linear.c (linear_transform_loops): Call
8607         compute_data_dependences_for_loop with correct parameters.
8608         * tree-ssa-alias.c (is_aliased_with): New function.
8609         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8610         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8611         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8612         vect_base_addr_differ_p, compute_subscript_distance and
8613         build_classic_dist_vector. Add printings. Check absolute value of
8614         distance.
8615         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8616         data-refs.
8617         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8618         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8619         to bytes. Add printing.
8620         (vect_compute_data_refs_alignment): Go through loads and stores in one
8621         loop.
8622         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8623         vect_analyze_data_ref_access): Likewise.
8624         (vect_analyze_pointer_ref_access): Remove.
8625         (vect_address_analysis, vect_object_analysis): Likewise.
8626         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8627         and analyze data-refs in the loop.
8628         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8629         fields of data-ref instead of stmt. Add init to the offset from the
8630         base.
8631         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8632         (vect_update_init_of_dr): Likewise.
8633         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8634         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8635         removed fields.
8636         (new_loop_vec_info): Initialize new fields.
8637         (destroy_loop_vec_info): Free new fields.
8638         (vect_strip_conversion): Remove.
8639         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8640         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8641         datarefs. Add new field ddrs.
8642         Add macros for the new fields access.
8643         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8644         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8645         Remove their macros.
8646         * tree.h (highest_pow2_factor): Declare.
8647
8648 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8649
8650         * calls.c (store_one_arg): Check for sibling call MEM arguments
8651         from already clobbered incoming argument area.
8652
8653 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8654
8655         * c-common.c (check_missing_format_attribute): New.
8656         * c-common.h (check_missing_format_attribute): Likewise.
8657         * c-typeck.c (convert_for_assignment): Use it.
8658
8659 2005-07-24  Andreas Schwab  <schwab@suse.de>
8660
8661         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8662         register use a word move.  Correct operand of ext.w in 68000 code.
8663
8664 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8665
8666         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8667         variables as declarations, rather than definitions.
8668
8669 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8670
8671         PR tree-optimization/22526
8672         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8673         of the zero node.
8674
8675 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8676
8677         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8678         that C99 reserve for future use. Use it to define clog10,
8679         clog10f and clog10l.
8680
8681 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8682
8683         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8684         * configure.ac: Check for -Wmissing-format-attribute.
8685
8686         * configure: Regenerate.
8687
8688 2005-07-23  Richard Henderson  <rth@redhat.com>
8689
8690         PR tree-optimization/22623
8691         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8692
8693 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8694
8695         PR target/22577
8696         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8697
8698 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8699
8700         * Makefile.in (C_TREE_H): Update dependencies.
8701         * c-tree.h: Include toplev.h.
8702         * diagnostic.h (diagnostic_set_info): Add format attribute.
8703         * rtl-error.c (diagnostic_for_asm): Likewise.
8704
8705 2005-07-23  Chao-ying Fu  <fu@mips.com>
8706
8707         * config/mips/mips-dsp.md: New file.
8708         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8709         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8710         functions.
8711         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8712         MIPS_BUILTIN_BPOSGE32.
8713         (mips_expand_builtin_direct): Add one parameter to indicate that
8714         builtin functions need to return a value.
8715         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8716         functions.
8717         (mips_regno_to_class): Add classes for 12 new DSP registers.
8718         (mips_subword): Change to check four HI registers.
8719         (mips_output_move): Output move to and from 6 new DSP accumulators.
8720         (override_options): Make sure -mdsp and -mips16 are not used together.
8721         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8722         for machine modes.
8723         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8724         when !TARGET_DSP.
8725         (print_operand): Add 'q' for printing DSP accumulators.
8726         (mips_cannot_change_mode_class): Check ACC_REGS.
8727         (mips_secondary_reload_class): Check ACC_REGS.
8728         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8729         (mips_register_move_cost): Check ACC_REGS.
8730         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8731         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8732         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8733         (dsp_bdesc): New array.
8734         (bdesc_arrays): Add DSP builtin function table.
8735         (mips_prepare_builtin_arg): Check predicate again after
8736         copy_to_mode_reg.
8737         (mips_expand_builtin): Add one more parameter to
8738         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8739         MIPS_BUILTIN_BPOSGE32.
8740         (mips_init_builtins): Initialize new function types.
8741         (mips_expand_builtin_direct): Check if builtin functions need to
8742         return a value and pass operands properly.
8743         (mips_expand_builtin_bposge): New function.
8744         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8745         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8746         (FIRST_PSEUDO_REGISTER): Increase to 188.
8747         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8748         Update for 12 new DSP registers.
8749         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8750         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8751         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8752         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8753         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8754         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8755         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8756         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8757         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8758         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8759         (REGISTER_NAMES): Add names for 12 new DSP registers.
8760         * config/mips/mips.md: Include mips-dsp.md.
8761         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8762         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8763         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8764         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8765         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8766         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8767         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8768         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8769         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8770         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8771         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8772         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8773         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8774         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8775         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8776         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8777         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8778         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8779         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8780         (UNSPEC_RDDSP): New constants.
8781         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8782         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8783         A<-d alternative.
8784         * config/mips/mips.opt (-mdsp): New option.
8785         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8786         (reg_imm10_operand): New predicates.
8787         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8788         * doc/invoke.texi (-mdsp): Document new option.
8789
8790 2005-07-22  DJ Delorie  <dj@redhat.com>
8791
8792         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8793         to warning calls.
8794         * tree-inline.c (inlinable_function_p): Likewise.
8795
8796 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8797
8798         PR debug/21828
8799         * toplev.c (check_global_declarations): Do not mark undefined
8800         variables as DECL_IGNORED_P.
8801         * varasm.c (first_global_object_name): GTY it.
8802         (weak_global_object_name): Likewise.
8803         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8804         a string to go into {weak,first}_global_object_name.
8805
8806 2005-07-22  DJ Delorie  <dj@redhat.com>
8807
8808         * c-format.c (check_function_format): Change warning control
8809         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8810
8811 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8812
8813         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8814         &PTR->FLD a dereference of PTR.
8815         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8816         a potential dereference of PTR.
8817
8818 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8819
8820         PR rtl-optimization/20370
8821         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8822         call allocate_reg_info if necessary.
8823
8824         PR rtl-optimization/21848
8825         * calls.c (emit_library_call_value_1): For const functions, add
8826         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8827
8828         PR rtl-optimization/22445
8829         * cselib.c (target.h): Include.
8830         (rtx_equal_for_cselib_p): Allow commutative matches.
8831         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8832         Remove MODE parameter.  Changed all callers.
8833
8834         PR rtl-optimization/22258
8835         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8836         New functions.
8837         (try_combine): Use likely_spilled_retval_p.
8838
8839 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8840
8841         * config.gcc: Add crx-elf support.
8842
8843         * doc/contrib.texi: Mention crx.
8844         * doc/extend.texi: Document crx extensions.
8845         * doc/install.texi: Document crx install.
8846         * doc/invoke.texi: Document crx options.
8847         * doc/md.texi: Document crx constraints.
8848
8849         * config/crx/crx-protos.h: New file.
8850         * config/crx/crx.c: New file.
8851         * config/crx/crx.h: New file.
8852         * config/crx/crx.md: New file.
8853         * config/crx/crx.opt: New file.
8854         * config/crx/t-crx: New file.
8855
8856 2005-07-22  Manfred Hollstein  <mh@suse.com>
8857
8858         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8859         warnings.
8860         (int_add_graph_edge): Likewise.
8861         (collapse_nodes): Likewise.
8862         (process_unification_queue): Likewise.
8863
8864 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8865             Laurent GUERBY  <laurent@guerby.net>
8866
8867         PR tree-optimization/22336
8868         * function.c (record_block_change): Check for
8869         cfun->ib_boundaries_block.
8870
8871 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
8872
8873         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8874         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8875
8876 2005-07-21  DJ Delorie  <dj@redhat.com>
8877
8878         * toplev.c (warn_deprecated_use): Add warning control to warning
8879         call.
8880         * c-typeck.c (parser_build_binary_op): Likewise.
8881         (c_finish_if_stmt): Likewise.
8882         * c-common.c (check_function_sentinel): Likewise.
8883         (check_nonnull_arg): Likewise.
8884
8885 2005-07-21  Richard Henderson  <rth@redhat.com>
8886
8887         PR tree-opt/22504
8888         * tree-complex.c (complex_ssa_name_components): New.
8889         (cvc_lookup): Allow entry not found.
8890         (create_components): Remove.
8891         (create_one_component_var, get_component_var): New.
8892         (get_component_ssa_name, set_component_ssa_name): New.
8893         (extract_component): Use get_component_ssa_name.
8894         (update_complex_components): Use set_component_ssa_name.
8895         (update_complex_components_on_edge): Likewise.
8896         (update_phi_components): Create new PHI nodes directly, instead
8897         of adding insns to edges.
8898         (tree_lower_complex): Allocate and free complex_variable_components
8899         and complex_ssa_name_components here.
8900
8901 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
8902
8903         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8904         revert to returning false.
8905
8906 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8907
8908         PR target/21149
8909         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8910
8911 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8912
8913         PR target/22576
8914         * config/i386/i386.md (cmpxf): Change operand constraints
8915         to "nonmemory_operand".
8916
8917 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8918
8919         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8920
8921 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8922
8923         PR middle-end/21180
8924         * fold-const.c (fold_build1): Add checksum for the operands.
8925         (fold_build2): Likewise.
8926         (fold_build3): Likewise.
8927
8928 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8929
8930         PR middle-end/19055
8931         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8932
8933 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8934
8935         * common.opt (-fforward-propagate): Committed by mistake,
8936         removed.
8937
8938 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8939
8940         * reg-stack.c: Fix comment typo(s).
8941         * tree-ssa-operands.c: Likewise.
8942         * tree-vectorizer: Likewise.
8943
8944 2005-07-21  Nick Clifton  <nickc@redhat.com>
8945
8946         * config/sh/symbian.c: Replace C++ style line comments with C
8947         style line comments.
8948         (symbian_add_attribute): Do not use a ? operator on the LHS of
8949         an assignment.
8950         (sh_symbian_handle_dll_attribute): Change the type of the
8951         method vector to "VEC(tree,gc)*" and use vector accessor
8952         macros to walk over the elements.
8953         (symbian_export_vtable_and_rtti_p): Likewise.
8954         (symbian_class_needs_attribute_p): Likewise.
8955
8956 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8957
8958         PR target/22085
8959         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8960         initialize targetm.resolve_overloaded_builtin here.
8961         (altivec_expand_overloaded_builtin): Make it non-static.
8962         * config/rs6000/rs6000-protos.h
8963         (altivec_expand_overloaded_builtin): New prototype.
8964         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8965         targetm.resolve_overloaded_builtin here.
8966         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8967
8968 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8969             Zdenek Dvorak  <dvorakz@suse.cz>
8970
8971         PR tree-optimization/19210
8972         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8973         New.
8974         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8975         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8976         rely on unproven assumptions.
8977         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8978         * tree-flow.h (number_of_iterations_exit): Add final parameter.
8979         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8980         to number_of_iterations_exit.
8981         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8982         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8983         * tree-ssa-loop-niter.c (find_loop_niter,
8984         estimate_numbers_of_iterations_loop): Likewise.
8985         (number_of_iterations_exit): Honor the new options.
8986         * doc/invoke.texi (Wunsafe-loop-optimizations,
8987         funsafe-loop-optimizations): Document them.
8988
8989 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
8990
8991         PR rtl-optimization/22167
8992         * gcse.c (hoist_code): Fix hoist_exprs[] check.
8993
8994 2005-07-20  Adam Nemet  <anemet@lnxw.com>
8995
8996         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8997         __do_global_dtors_aux longcall.
8998
8999 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9000
9001         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9002         (old_special_pred_table): Don't reference
9003         SPECIAL_MODE_PREDICATES.
9004         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9005         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9006         * config/sh/predicates.h: Don't mention
9007         SPECIAL_MODE_PREDICATES.
9008         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9009         Remove.
9010
9011 2005-07-20  DJ Delorie  <dj@redhat.com>
9012
9013         * config.gcc: Add m32c-elf support.
9014
9015         * doc/contrib.texi: Mention m32c.
9016         * doc/extend.texi: Document m32c extensions.
9017         * doc/install.texi: Mention m32c.
9018         * doc/invoke.texi: Document m32c options.
9019         * doc/md.texi: Document m32c constraints.
9020
9021         * config/m32c/addsub.md: New file.
9022         * config/m32c/bitops.md: New file.
9023         * config/m32c/cond.md: New file.
9024         * config/m32c/jump.md: New file.
9025         * config/m32c/m32c-lib1.S: New file.
9026         * config/m32c/m32c-lib2.c: New file.
9027         * config/m32c/m32c-modes.def: New file.
9028         * config/m32c/m32c-pragma.c: New file.
9029         * config/m32c/m32c-protos.h: New file.
9030         * config/m32c/m32c.abi: New file.
9031         * config/m32c/m32c.c: New file.
9032         * config/m32c/m32c.h: New file.
9033         * config/m32c/m32c.md: New file.
9034         * config/m32c/m32c.opt: New file.
9035         * config/m32c/minmax.md: New file.
9036         * config/m32c/mov.md: New file.
9037         * config/m32c/muldiv.md: New file.
9038         * config/m32c/predicates.md: New file.
9039         * config/m32c/prologue.md: New file.
9040         * config/m32c/shift.md: New file.
9041         * config/m32c/t-m32c: New file.
9042
9043 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9044
9045         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9046         (stack_protect_set, stack_protect_test): New expanders.
9047         (stack_protect_set_si, stack_protect_set_si_media,
9048         stack_protect_set_di_media, stack_protect_test_si,
9049         stack_protect_test_si_media, stack_protect_test_di_media):
9050         New insns.
9051
9052 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9053
9054         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9055
9056 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9057
9058         * tree.h (tree_expr_nonzero_p): Export.
9059         * fold-const.c (tree_expr_nonzero_p): Likewise.
9060         Return true for CALL_EXPRs that are alloca calls.
9061         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9062         against zero.
9063         * tree-flow.h (expr_computes_nonzero): Remove.
9064         * tree-vrp.c (expr_computes_nonzero): Remove.
9065         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9066         (extract_range_from_unary_expr): Likewise.
9067         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9068         tree_expr_nonzero_p.
9069
9070 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9071
9072         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9073         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9074         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9075         All callers changed.
9076         (frame_related_constant_load): New arg "related" which controls
9077         setting of RTX_FRAME_RELATED_P.  All callers changed.
9078         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9079         (bfin_expand_prologue): Add stack limit checking.
9080         * config/bfin/bfin.md (trapifcc): New pattern.
9081
9082         * config/bfin/bfin.c: Include "langhooks.h".
9083         (def_builtin): Go through lang_hooks to call builtin_function.
9084
9085         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9086         * config/bfin/predicates.md (symbol_ref_operand): New.
9087         (call_insn_operand): Delete.  All callers changed to use
9088         register_no_elim_operand.
9089         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9090         call_cookie field.
9091         (function_arg): Use it to generate the call's operand 2.
9092         (bfin_longcall_p): New function.
9093         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9094         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9095         determine if the address needs to be in a REG.
9096         (bfin_handle_longcall_attribute): New function.
9097         (bfin_attribute_table): Add "longcall" and "shortcall".
9098         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9099         (CUMULATIVE_ARGS): New member call_cookie.
9100         (PREDICATE_CODES): Add symbol_ref_operand.
9101         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9102         extra USE to the pattern.
9103         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9104         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9105         sibcall_value_insn; now the new patterns handle direct calls and the
9106         old ones indirect calls.
9107         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9108
9109 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9110
9111         * doc/trouble.texi: Update section on handling of empty loops.
9112
9113 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9114
9115         * config.gcc: Remove support for sparc-*-openbsd*,
9116         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9117         ns32k-*-netbsd*.
9118         * config.host: Remove support for i860-*-sysv4* as a host.
9119         * config/i860/*, config/ip2k/*, config/ns32k/*,
9120         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9121         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9122         mention obsolete ports.
9123
9124 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9125
9126         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9127         soft frame pointer.
9128         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9129         of frame_pointer_rtx.
9130         (sh_expand_epilogue): Likewise.
9131         (sh_set_return_address): Likewise.
9132         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9133         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9134         offsets from FRAME_POINTER_REGNUM.
9135         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9136         (sh_register_names): Add initializer for sfp.
9137         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9138         (VALID_REGISTER_P): Likewise.
9139         (FIRST_PSEUDO_REGISTER): Update.
9140         (DWARF_FRAME_REGISTERS): Define.
9141         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9142         (HARD_FRAME_POINTER_REGNUM): Define.
9143         (FRAME_POINTER_REGNUM): Redefine.
9144         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9145         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9146         from FRAME_POINTER_REGNUM.
9147         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9148         FRAME_POINTER_REGNUM.
9149         (REG_CLASS_CONTENTS): Add sfp.
9150         (REG_ALLOC_ORDER): Likewise.
9151         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9152         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9153         of frame_pointer_rtx.
9154         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9155
9156 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9157
9158         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9159         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9160         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9161         of an ABS_EXPR.
9162         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9163         ABS_EXPR<x>.
9164
9165 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9166
9167         Make CONSTRUCTOR use VEC to store initializers.
9168         * c-common.c (complete_array_type): Update to cope with VEC in
9169         CONSTRUCTOR_ELTS.
9170         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9171         (pp_c_constructor_elts): New function.
9172         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9173         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9174         struct constructor_stack, struct initializer_stack,
9175         constructor_elements, push_init_level, pop_init_level,
9176         add_pending_init, find_init_member, output_init_element): Update to
9177         cope with VEC in CONSTRUCTOR_ELTS.
9178         * coverage.c (build_fn_info_value, build_ctr_info_value,
9179         build_gcov_info): Likewise.
9180         * expr.c (categorize_ctor_elements_1, store_constructor,
9181         expand_expr_real_1): Likewise.
9182         * fold-const.c (fold_ternary): Likewise.
9183         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9184         gimplify_init_constructor, gimplify_expr): Likewise.
9185         * tree-dump.c (dequeue_and_dump): Likewise.
9186         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9187         node.
9188         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9189         CONSTRUCTOR_ELTS.
9190         * tree-sra.c (generate_element_init_1): Likewise.
9191         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9192         * tree-ssa-operands.c (get_expr_operands): Likewise.
9193         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9194         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9195         (get_initial_def_for_reduction): Likewise.
9196         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9197         value handle in annotations.
9198         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9199         tree_node_structure): Add support for constr_kind.
9200         (build_vector_from_ctor, build_constructor_single,
9201         build_constructor_from_list): New functions.
9202         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9203         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9204         Update to cope with VEC in CONSTRUCTOR_ELTS.
9205         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9206         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9207         CONSTRUCTOR_APPEND_ELT): New macros.
9208         (struct constructor_elt, struct tree_constructor): New data types.
9209         (union tree_node): Add tree_constructor field.
9210         * treestruct.def: Define TS_CONSTRUCTOR.
9211         * varasm.c (const_hash_1, compare_constant, copy_constant,
9212         compute_reloc_for_constant, output_addressed_constants,
9213         initializer_constant_valid_p, output_constant,
9214         array_size_for_constructor, output_constructor): Update to cope with
9215         VEC in CONSTRUCTOR_ELTS.
9216         * vec.h (VEC_empty, VEC_copy): New macros.
9217
9218 2005-07-19  Devang Patel  <dpatel@apple.com>
9219
9220         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9221
9222 2005-07-19  Richard Henderson  <rth@redhat.com>
9223
9224         PR tree-opt/22278
9225         * gimplify.c (gimplify_expr): Use main variant type for the temp
9226         destination for a discarded volatile read.
9227         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9228         casts between non-void types that change volatility.
9229
9230 2005-07-15  DJ Delorie  <dj@redhat.com>
9231
9232         * toplev.h: Add comment about the first parameter for warning().
9233         * errors.h: Likewise.
9234
9235         * c.opt (Wpragmas): New.
9236         * doc/invoke.texi: Document it.
9237
9238         * function.c (do_warn_unused_parameter): Add warning control to
9239         warning call.
9240         * c-decl.c (warn_if_shadowing): Likewise.
9241         * c-lex.c (cb_def_pragma): Likewise.
9242         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9243         (pop_alignment): Likewise.
9244         (handle_pragma_pack): Likewise.
9245         (apply_pragma_weak): Likewise.
9246         (handle_pragma_weak): Likewise.
9247         (handle_pragma_redefine_extname): Likewise.
9248         (add_to_renaming_pragma_list): Likewise.
9249         (handle_pragma_extern_prefix): Likewise.
9250         (maybe_apply_renaming_pragma): Likewise.
9251         (handle_pragma_visibility): Likewise.
9252
9253         * config/c4x/c4x-c.c (BAD): Likewise.
9254         (c4x_parse_pragma): Likewise.
9255         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9256         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9257         (rs6000_pragma_longcall): Likewise.
9258         * config/v850/v850-c.c (pop_data_area): Likewise.
9259         (ghs_pragma_section): Likewise.
9260         (ghs_pragma_section): Likewise.
9261         (ghs_pragma_interrupt): Likewise.
9262         (ghs_pragma_starttda): Likewise.
9263         (ghs_pragma_startsda): Likewise.
9264         (ghs_pragma_startzda): Likewise.
9265         (ghs_pragma_endtda): Likewise.
9266         (ghs_pragma_endsda): Likewise.
9267         (ghs_pragma_endzda): Likewise.
9268
9269 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9270             Kenneth Zadeck <zadeck@naturalbridge.com>
9271
9272         * Makefile.in: Removed tree-promote-statics.c
9273         * tree-promote-statics.c: Removed.
9274         * common.opt: Removed flag-promote-statics.
9275         * opts.c: Ditto.
9276         * passes.c: Removed tree-promote-statics pass.
9277         * tree-pass.h: Ditto.
9278         * timevar.def: Removed TV_PROMOTE_STATICS.
9279
9280
9281 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9282
9283         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9284         and *-*-freebsd9.
9285         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9286
9287 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9288
9289         PR c/22476
9290         * c-common.c (check_function_arguments): Call
9291         'check_function_format' if either -Wformat or
9292         -Wmissing-format-attribute are specified.
9293         * c-format.c (check_function_format): Check -Wformat before
9294         calling 'check_format_info'.
9295         * c-opts.c (c_common_post_options): Don't warn for
9296         -Wmissing-format-attribute without -Wformat.
9297         * c-typeck.c (convert_for_assignment): Detect additional cases for
9298         -Wmissing-format-attribute.
9299         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9300         behavior.
9301
9302 2005-07-19  Richard Guenther  <rguenther@suse.de>
9303
9304         * config/i386/i386.md (lrint<mode>2): Use temporary
9305         instead of clobbering non-existent memory.
9306
9307 2005-07-19  Nick Clifton  <nickc@redhat.com>
9308
9309         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9310         statement to avoid displaying ASCII control characters.
9311
9312 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9313
9314         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9315         * cfganal.c (find_edge_index): Ditto.
9316         * combine.c (combine_instructions): Ditto.
9317         * ddg.c (create_scc): Ditto.
9318         (find_successors): Ditto.
9319         (find_predecessors): Ditto.
9320         (find_nodes_on_paths): Ditto.
9321         (longest_simple_path): Ditto.
9322         * flow.c (update_life_info): Ditto.
9323         (count_or_remove_death_notes): Ditto.
9324         (clear_log_links): Ditto.
9325         * modulo-sched.c (generate_reg_moves): Ditto.
9326         (find_max_asap): Ditto.
9327         (find_max_hv_min_mob): Ditto.
9328         (find_max_dv_min_mob): Ditto.
9329         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9330         * sched-rgn.c (extract_edgelst): Ditto.
9331         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9332         (dump_update_ssa): Ditto.
9333         (ssa_names_to_replace) Ditto.
9334         (switch_virtuals_to_full_rewrite): Ditto.
9335         (update_ssa): Ditto.
9336         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9337
9338 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9339
9340         Fix PR tree-optimization/22483
9341
9342         * tree-complex.c (create_components): Use
9343         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9344         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9345         * tree-flow.h (safe_referenced_var_iterator): New structure.
9346         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9347         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9348         safe_referenced_var iterator.
9349         (add_type_alias): Ditto.
9350
9351 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9352
9353         * loop-init.c (rest_of_handle_loop2): Remove.
9354         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9355         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9356         (pass_rtl_loop_init, pass_rtl_loop_done,
9357         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9358         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9359         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9360         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9361         pass_tree_loop_done, and pass_tree_unswitch.
9362         (gate_loop): Rename to gate_tree_loop.
9363         * passes.c (init_optimization_passes): Update for renamed tree
9364         loop passes.  Add the new loop2 passes as subpasses of loop2.
9365         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9366         Update for the renamed tree loop passes.
9367
9368 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9369
9370         PR middle-end/22057
9371         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9372         blocks when optimizing.
9373
9374 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9375
9376         * common.opt (frename-registers): Initialize to 2.
9377         (fweb): Ditto.
9378         (fgcse-after-reload): Ditto.
9379         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9380         (process_options): Only change flag_web, flag_rename_registers,
9381         and flag_rerun_cse_after_loop if not explicitly set by user.
9382
9383 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9384
9385         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9386         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9387         in 64-bit mode the same as DImode in 32-bit mode.
9388         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9389         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9390         mode. Add new mode parameter.
9391         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9392         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9393         x86_64_shift_adj): New expanders.
9394         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9395         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9396         insns.
9397         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9398         DImode shift splitters.
9399         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9400         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9401         mode parameter.
9402
9403 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9404
9405         * i386.md (movdi_extzv_1): New.
9406         (zero_extendhidi2): Combine alternatives and never force use of
9407         REX64 prefix.
9408         (zero_extendqidi2): Likewise. Don't restrict input selection.
9409
9410 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9411
9412         Fix PR tree-optimization/22531
9413         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9414          moment.
9415
9416 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9417
9418         * tree-promote-statics.c (pass_promote_statics): Change dump file
9419          name.
9420
9421 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9422
9423         * tree-optimize.c (init_tree_optimization_passes): Add
9424         pass_eliminate_useless_stores pass.
9425         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9426         * tree-ssa-pre.c (is_copy_stmt): New function.
9427         (follow_copies_till_vuse): Ditto.
9428         (do_eustores): Ditto.
9429         (gate_eustores): Ditto.
9430
9431 2005-07-16  Richard Henderson  <rth@redhat.com>
9432
9433         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9434
9435 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9436            Kenneth Zadeck <zadeck@naturalbridge.com>
9437
9438         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9439         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9440         ipa-type-escape.h, tree-promote-statics.c
9441         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9442         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9443         tree-promote-statics.c: new files.
9444         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9445         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9446         int nonlocal_set_p, mark_constant_function): Deleted.
9447         (rest_of_handle_cfg): Removed call to mark_constant_function.
9448         (nonoverlapping_component_refs_p): Added calls to support
9449         type based aliasing.
9450         * tree-ssa-alias.c (may_alias_p,
9451         compute_flow_insensitive_aliasing): Ditto.
9452         * calls.c (flags_from_decl_or_type): Removed reference to
9453         cgraph_rtl_info.
9454         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9455         too many arguments.  This is necessary for Spec 2000.
9456         * cgraph.h (const_function, pure_function): Removed.
9457         * common.opt: Added "fipa-pure-const", "fipa-reference",
9458         "fipa-type-escape", and "ftree-promote-static".
9459         * opts.c: Ditto.
9460         * passes.c: Added ipa and tree-promote-statics passes.
9461         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9462         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9463         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9464         * tree-flow.h: Added exposed sra calls and addition of
9465         reference_vars_info field for FUNCTION_DECLS.
9466         * tree-pass.h: Added passes.
9467         * tree-sra.c: (sra_init_cache): New function.
9468         (sra_insert_before, sra_insert_after) Made public.
9469         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9470         and made public.
9471         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9472         aliasing. (may_alias_p): Added code to use type escape analysis to
9473         improve alias sets.
9474         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9475         code to prune clobbers of static variables based on information
9476         produced in ipa-reference pass.  Changed call clobbering so that
9477         statics are not marked as clobbered if the call does not clobber
9478         them.
9479
9480 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9481
9482         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9483         too.
9484
9485 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9486
9487         * doc/install.texi (*-*-solaris2*): Document recommended version
9488         of GNU binutils and mention GNU linker problem on Solaris 10.
9489
9490 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9491
9492         PR c/22421
9493         * c-decl.c (c_build_bitfield_integer_type): New function.
9494         (finish_struct): Call it.
9495         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9496
9497 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9498
9499         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9500         before returning.
9501
9502 2005-07-16  Jan Hubicka  <jh@suse.cz>
9503
9504         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9505         (scale_bbs_frequencies_int): Watch roundoff errors.
9506         * predict.c (return_prediction): Initialize return_stmt.
9507
9508 2005-07-16  Jan Hubicka  <jh@suse.cz>
9509
9510         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9511         after RTL profiling.
9512
9513 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9514
9515         PR middle-end/22398
9516         * fold-const.c (build_range_check): Convert high/low to etype
9517         if we are only comparing against exp.
9518
9519 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9520
9521         Fix PR tree-optimization/22376
9522         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9523         special var here.
9524         (need_to_solve): New function.
9525         (compute_points_to_sets): Use it.
9526
9527 2005-07-15  Jan Hubicka  <jh@suse.cz>
9528
9529         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9530         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9531
9532 2005-07-15  Richard Guenther  <rguenther@suse.de>
9533
9534         * c-common.c (handle_flatten_attribute): New function.
9535         Add flatten function attribute.
9536         * doc/extend.texi: Document flatten function attribute.
9537         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9538         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9539         New functions.
9540         (cgraph_decide_inlining): Handle functions with flatten
9541         attribute.
9542
9543 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9544
9545         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9546         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9547         UNSPEC_XCHG, UNSPEC_AND): New.
9548         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9549         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9550         * config/rs6000/sync.md (FETCHOP): New code macro.
9551         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9552         New code attrs.
9553         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9554         (sync_compare_and_swap<mode>): Same.
9555         (sync_lock_test_and_set<mode>): Same.
9556         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9557         for QImode and HImode, and not PPC405.
9558         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9559         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9560         (sync_<fetchop>{si,di}_internal): New.
9561         (sync_nand{si,di}_internal): New.
9562         (sync_old_<fetchop>{si,di}_internal): New.
9563         (sync_old_nand{si,di}_internal): New
9564         (sync_new_<fetchop>{si,di}_internal): New.
9565         (sync_new_nand{si,di}_internal): New.
9566         (atomic_and{si,di}): New.
9567         (sync_new_nand{si,di}_internal): New.
9568         (atomic_and{si,di}): New.
9569         (sync_add<mode>_internal): Delete.
9570         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9571         (sync_sub<mode>_internal): Delte.
9572         (sync_subshort_internal): New.
9573         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9574         (sync_anddi_internal): Delete.
9575         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9576         (sync_booldi_internal): Delete.
9577         (sync_boolc<mode>_internal): Delete.
9578         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9579         (sync_boolc<mode>_internal2): Delete.
9580         (sync_boolcc<mode>_internal): Delete.
9581         (isync, lwsync): Use unspec instead of unspec_volatile.
9582         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9583         Revert UNSPEC_VOLATILE.
9584         (rs6000_split_atomic_op): New.
9585         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9586
9587 2005-07-14  Eric Christopher  <echristo@redhat.com>
9588
9589         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9590         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9591
9592 2005-07-14  Eric Christopher  <echristo@redhat.com>
9593
9594         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9595
9596 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9597
9598         PR tree-optimization/22230
9599         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9600         the computation of the four cross productions for "range op range".
9601
9602 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9603             Ulrich Weigand  <uweigand@de.ibm.com>
9604
9605         PR target/20126
9606         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9607         in some insn.
9608
9609 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9610
9611         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9612
9613 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9614
9615         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9616
9617 2005-07-14  Richard Guenther  <rguenther@suse.de>
9618
9619         PR middle-end/22347
9620         * config/i386/i386-protos.h (ix86_function_value): Change
9621         prototype to match new target hook.
9622         * config/i386/i386.c (ix86_value_regno): Change prototype
9623         to take extra type argument.
9624         (TARGET_FUNCTION_VALUE): Define.
9625         (ix86_function_ok_for_sibcall): Pass extra argument to
9626         ix86_value_regno, check return slot rtx for exact match.
9627         (ix86_function_value): Take extra parameter.  Dispatch to
9628         ix86_value_regno with fndecl/fntype as provided.
9629         (ix86_value_regno): Handle extra type argument.
9630         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9631
9632         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9633         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9634         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9635         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9636         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9637
9638 2005-07-14  Richard Guenther  <rguenther@suse.de>
9639
9640         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9641         * calls.c (expand_call): Pass fntype to hard_function_value.
9642         (emit_library_call_value_1): Likewise.
9643         * explow.c: Include target.h.
9644         (hard_function_value): Take extra argument, the fntype.
9645         Use new target hook for function_value.
9646         * expr.h (hard_function_value): Change prototype.
9647         * function.c (aggregate_value_p): Pass 0 as fntype to
9648         hard_function_value.
9649         (assign_parms): Use new target hook for function_value.
9650         Pass 0 as fntype to hard_function_value.
9651         (expand_function_end): Likewise.
9652         * reg-stack.c: Include target.h.
9653         (stack_result): Use new target hook for function_value.
9654         * target-def.h: New target hook function_value.
9655         * target.h: Likewise.
9656         * targhooks.c (default_function_value): New function.
9657         * targhooks.h (default_function_value): Declare.
9658
9659 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9660
9661         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9662
9663 2005-07-14  Jan Hubicka  <jh@suse.cz>
9664
9665         * tree-dfa.c (dump_variable): Use default_def function.
9666         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9667         * tree-ssa.c (verify_use): Likewise.
9668         * tree-ssanames.c (release_ssa_name): Likewise.
9669         * tree-tailcall.c (eliminate_tail_call): Likewise.
9670         (tree_optimize_tail_calls_1): Likewise.
9671         * tree-vrp.c (get_value_range): Likewise.
9672
9673 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9674
9675         * gcc.c (main): Compare language[0] with '*' when iterating over
9676         the infiles.
9677
9678 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9679
9680         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9681         "s390_emit_compare".  Add handling of CCZ1mode.
9682         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9683         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9684         checking.
9685         (s390_branch_condition_mask): Add CCZ1mode handling.
9686         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9687         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9688         Use CCZ1mode instead of CCZmode.
9689         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9690
9691 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9692
9693         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9694         pattern.
9695         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9696
9697 2005-07-13  Eric Christopher  <echristo@redhat.com>
9698
9699         * config/mips/mips.c (mips_canonicalize_comparison): New.
9700         (mips_emit_int_relational): Use.
9701
9702 2005-07-13  Eric Christopher  <echristo@redhat.com>
9703
9704         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9705         static extra parts.
9706         * config/s390/s390.md: Include tpf.md. Move tpf specific
9707         patterns...
9708         * config/s390/tpf.md: To here.
9709         * config/s390/s390.opt: Move tpf specific options...
9710         * config/s390/tpf.opt: to here. Add mmain option.
9711         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9712         * config/s390/tpf.h: Rewrite.
9713
9714 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9715
9716         * doc/tm.texi: Remove @xref{Cross-profiling}.
9717
9718 2005-07-13  Jeff Law  <law@redhat.com>
9719
9720         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9721         expressions, test their _DECL operands for pointer equality rather
9722         than using operand_equal_p.
9723
9724 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9725
9726         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9727         (TARGET_POSIX_IO): This.
9728         * config/darwin.h: Likewise.
9729         * config/freebsd.h: Likewise.
9730         * config/linux.h: Likewise.
9731         * config/lynx.h: Likewise.
9732         * config/netbsd.h: Likewise.
9733         * config/rs6000/linux64.h: Likewise.
9734         * config/rs6000/linux.h: Likewise.
9735         * config/s390/tpf.h: Likewise.
9736         * config/sh/embed-elf.h: Likewise.
9737         * config/sparc/linux64.h: Likewise.
9738         * config/sparc/linux.h: Likewise.
9739         * config/svr4.h: Likewise.
9740         * gcov-io.h: Likewise.
9741
9742         * doc/tm.texi: Updated.
9743
9744         * libgcov.c (create_file_directory): Defined only if
9745         TARGET_POSIX_IO is defined.
9746         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9747         is defined.
9748
9749 2005-07-13  Jan Hubicka  <jh@suse.cz>
9750
9751         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9752
9753 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9754
9755         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9756         structure as argument.
9757
9758 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9759
9760         PR tree-optimization/21921
9761         * tree-iterator.c (tsi_link_before): Support the case when
9762         tsi_end_p (tsi) == true.
9763
9764 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9765
9766         PR tree-optimization/22442
9767         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9768         correctly.
9769
9770 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9771
9772         PR rtl-optimization/20376
9773         * toplev.c (process_options): Enable -fweb and -frename-registers when
9774         unrolling.
9775         * doc/invoke.texi: Update the information about when -fweb and
9776         -frename-registers are enabled.
9777
9778 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9779
9780         PR tree-opt/21840
9781         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9782         if *rhs_p is not a SSA_NAME.
9783
9784 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9785
9786         Fix PR tree-optimization/22422
9787         * tree-ssa-structalias.c (struct variable_info): Add flag for
9788         special vars.
9789         (get_varinfo): Now a static function.
9790         (new_varinfo): init has_union and is_special_var to false.
9791         (solution_set_add): Check has_union.
9792         (do_da_constraint): Move temporary variable so it gets reset
9793         properly.
9794         Also check for special variable.
9795         (do_ds_constraint): Ditto.
9796         (do_sd_constraint): Ditto.
9797         (do_structure_copy): Check for special variable.
9798         (find_func_aliases): Ditto.
9799         (init_base_vars): Set special vars properly.
9800
9801 2005-07-13  Jan Hubicka  <jh@suse.cz>
9802
9803         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9804         do unit-at-a-time.
9805
9806         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9807         (get_expr_operands): Fix thinko wrt flags and subvars.
9808
9809         PR tree-optimize/22379
9810         * tree-inline.c (expand_call_inline): Do not output sorry in early
9811         inlining.
9812
9813 2005-07-12  Dale Johannesen  <dalej@apple.com>
9814
9815         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9816
9817 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9818
9819         PR bootstrap/21704
9820         * host-linux.h: Include limits.h.
9821
9822 2005-07-12  Dale Johannesen  <dalej@apple.com>
9823
9824         * expr.c (compress_float_constant):  Add cost check.
9825         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9826
9827 2005-07-12  Dale Johannesen  <dalej@apple.com>
9828
9829         * gcc.target/i386/compress-float-sse.c:  New.
9830         * gcc.target/i386/compress-float-sse-pic.c:  New.
9831         * gcc.target/i386/compress-float-387.c:  New.
9832         * gcc.target/i386/compress-float-387-pic.c:  New.
9833         * gcc.dg/compress-float-ppc.c:  New.
9834         * gcc.dg/compress-float-ppc-pic.c:  New.
9835
9836 2005-07-12  Eric Christopher  <echristo@redhat.com>
9837
9838         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9839         static extra parts.
9840         * config/s390/s390.md: Include tpf.md. Move tpf specific
9841         patterns...
9842         * config/s390/tpf.md: To here.
9843         * config/s390/s390.opt: Move tpf specific options...
9844         * config/s390/tpf.opt: to here. Add mmain option.
9845         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9846         * config/s390/tpf.h: Rewrite.
9847
9848 2005-07-12  Eric Christopher  <echristo@redhat.com>
9849
9850         * gcc.c (struct infile): Update comment for language.
9851         (main): Rewrite input file resetting code.
9852
9853 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9854
9855         PR tree-opt/22335
9856         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9857         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9858         (lookup_avail_expr): Use constant_boolean_node instead
9859         of boolean_false_node/boolean_true_node.
9860
9861 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9862
9863         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9864         and use it when printing num_edges.
9865
9866 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9867
9868         * doc/extend.texi (Blackfin Built-in Functions): New section.
9869         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9870         @opindex.
9871
9872 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
9873
9874         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9875         s/cmpstrsi/cmpstrnsi
9876         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9877         'cmpstrnsi'.
9878         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9879         (init_optabs): Initialize cmpstrn_optab.
9880         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9881         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9882         * expr.c: (enum insn_code cmpstrn_optab): Declare.
9883         * config/i386/i386.md: s/cmpstr/cmpstrn
9884         * config/c4x/c4x.md: s/cmpstr/cmpstrn
9885         * doc/md.texi: Update documentation.
9886
9887 2005-07-11  Richard Henderson  <rth@redhat.com>
9888
9889         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9890         build_va_arg_indirect_ref.
9891         (alpha_gimplify_va_arg): Likewise.
9892         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9893         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9894         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9895         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9896         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9897         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9898         Likewise.
9899         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9900
9901 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9902
9903         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9904         * passes.c (init_optimization_passes): Add pass_empty_loop.
9905         * tree-pass.h (pass_empty_loop): Declare.
9906         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9907         try_remove_empty_loop, remove_empty_loops): New functions.
9908         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9909         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9910
9911 2005-07-12  Peter Barada  <peter@the-baradas.com>
9912
9913         PR middle-end/16719
9914         PR middle-end/18421
9915         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9916         in address registers.
9917         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9918         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9919         alternative of addsi3_5200.
9920
9921 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9922
9923         * config/mips/mips.md (ffs<mode>2): Remove.
9924
9925 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9926
9927         * doc/tree-ssa.texi (Cleanups): Improve description of
9928         TRY_FINALLY_EXPR.
9929         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9930
9931 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9932
9933         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9934         * tree.h (DECL_ARGUMENT_FLD): New macro.
9935
9936 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9937
9938         Fix PR tree-optimization/22404
9939
9940         * tree-ssa-structalias.c (create_variable_info_for): Use
9941         correct offset.
9942
9943 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9944
9945         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9946         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9947         for second comparison operand.
9948         * config/bfin/predicates.md (reg_or_const_int_operand): New.
9949
9950         * config/bfin/bfin.md (define_attr "type"): Add "sync".
9951         (define_insn_reservation "alu"): Likewise.
9952         (csync, ssync): Now of type sync.
9953         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9954         -mcsync-anomaly -mspecld-anomaly.
9955         * config/bfin/bfin.opt (mcsync): Remove.
9956         (mcsync-anomaly, mspecld-anomaly): Add.
9957         * config/bfin/bfin.c: Include "insn-codes.h".
9958         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9959         (TARGET_DEFAULT_TARGET_FLAGS): New.
9960         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9961
9962 2005-07-11  Steven Bosscher  <stevenb@suse.de>
9963
9964         * basic-block.h: Give the BB flags enum a name, bb_flags.
9965         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9966         * cfgcleanup.c (enum bb_flags): Remove here.
9967         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9968         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9969         (update_forwarder_flag): Likewise.
9970         (thread_jump): Likewise.
9971         (try_forward_edges): Likewise.
9972         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
9973         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
9974         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9975
9976 2005-07-11  Richard Guenther  <rguenther@suse.de>
9977
9978         * config/i386/i386.opt: New target option -msseregparm.
9979         * config/i386/i386.c (override_options): Error out for
9980         -msseregparm but no SSE support.
9981         (ix86_function_sseregparm): Check for global sseregparm.
9982         * doc/invoke.texi: Document -msseregparm.
9983
9984 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9985
9986         * config.gcc (m32r-*-linux*): Use the default extra_parts.
9987         (m32rle-*-linux*): Ditto.
9988
9989 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
9990
9991         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9992         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9993         bytes.
9994
9995 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9996
9997         PR middle-end/22239
9998         PR target/20126
9999         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10000         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10001
10002 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10003
10004         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10005         (varmap): Heapify varmap.
10006         (constraints): Heapify constraints.
10007         (struct constraint_graph): Heapify succs and preds.
10008         (constraint_vec_find): Update for heapification.
10009         (constraint_set_union): Ditto.
10010         (insert_into_complex): Ditto.
10011         (constraint_edge_vec_find): Ditto.
10012         (erase_graph_self_edge): Ditto.
10013         (add_graph_edge): Ditto.
10014         (get_graph_weights): Ditto.
10015         (merge_graph_nodes): Ditto.
10016         (build_constraint_graph): Ditto.
10017         (topo_visit): Ditto.
10018         (solve_graph): Ditto.
10019         (create_variable_info_for): Ditto.
10020         (init_base_vars): Ditto.
10021         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10022         (condese_varmap_nodes): Free complex vector.
10023         (clear_edges_for_node): Clear succs and preds vector.
10024
10025 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10026
10027         * tree-ssa-structalias.c (update_alias_info): Change counting of
10028         references to not include vdefs.
10029
10030 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10031
10032         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10033         (up_insert): Ditto.
10034
10035 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10036
10037         * pa.c (pa_commutative_p): Make PLUS commutative when
10038         TARGET_NO_SPACE_REGS is true.
10039
10040 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10041
10042         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10043         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10044         * tree-dfa.c (dump_subvars_for): New.
10045         (debug_subvars_for): New.
10046         (dump_variable): Show subvariables if VAR has them.
10047         * tree-flow-inline.h (get_subvar_at): New.
10048         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10049         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10050         Update all users.
10051         (struct subvar): Change fields offset and size to unsigned
10052         HOST_WIDE_INT.
10053         (dump_subvars_for): Declare.
10054         (debug_subvars_for): Declare.
10055         (get_subvar_at): Declare.
10056         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10057         to unsigned HOST_WIDE_INT *.
10058         (overlap_subvar): Likewise.
10059         * tree-gimple.c (is_gimple_reg): Always return false for
10060         SFTs and memory tags.
10061         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10062         Update all callers.
10063         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10064         (compute_may_aliases): Call compute_points_to_sets.
10065         (collect_points_to_info_for): Remove.
10066         (compute_points_to_and_addr_escape): Remove.
10067         (delete_alias_info): Call delete_points_to_sets.
10068         (compute_flow_sensitive_aliasing): If the call to
10069         find_what_p_points_to returns false, call set_pt_anything.
10070         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10071         (set_pt_anything): Clear pi->pt_vars.
10072         (set_pt_malloc): Remove.
10073         (merge_pointed_to_info): Remove.
10074         (add_pointed_to_expr): Remove.
10075         (add_pointed_to_var): Remove.
10076         (collect_points_to_info_r): Remove.
10077         (is_escape_site): Make extern.
10078         (create_sft): New.
10079         (create_overlap_variables_for): Call it.
10080         * tree-ssa-copy.c (merge_alias_info): Never merge
10081         flow-sensitive alias information.
10082         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10083         offset and size to be unsigned HOST_WIDE_INT.
10084         (add_to_addressable_set): Rename from note_addressable.
10085         Set TREE_ADDRESSABLE as the variables are added to the set.
10086         Update all users.
10087         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10088         operands into VUSEs when adding V_MAY_DEFs for members in an
10089         alias set.
10090         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10091         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10092         (struct variable_info): Add bitfield is_heap_var.
10093         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10094         (new_var_info): Initialize is_heap_var.
10095         (get_constraint_for): Add HEAP variables to the symbol table.
10096         Mark them with is_heap_var.
10097         (update_alias_info): New.  Taken mostly from the old
10098         compute_points_to_and_addr_escape.
10099         (handle_ptr_arith): New.
10100         (find_func_aliases): Call update_alias_info.
10101         Call handle_ptr_info for tcc_binary expressions.
10102         Call mark_stmt_modified.
10103         (create_variable_info_for): If DECL has subvars, do not create
10104         variables for its subvars.  Always add all the fields.
10105         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10106         SFTs, then add all the SFTs of the structure.
10107         If VI->DECL is an aggregate with subvariables, add the SFT at
10108         VI->OFFSET.
10109         (find_what_p_points_to): If VI is an artificial variable,
10110         translate to bitfields in SSA_NAME_PTR_INFO.
10111         If the solution is empty, set pi->pt_vars to NULL
10112         (init_base_vars): Create ANYOFFSET.
10113         (compute_points_to_sets): Rename from create_alias_vars.
10114         Make extern.
10115         (pass_build_pta): Remove.
10116         (delete_points_to_sets): Rename from delete_alias_vars.
10117         (pass_del_pta): Remove.
10118         * tree-ssa-structalias.h (struct alias_info): Move from
10119         tree-ssa-alias.h.
10120         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10121         NUM_REFERENCES_SET): Likewise.
10122         (compute_points_to_sets, delete_points_to_sets): Declare.
10123
10124 2005-07-09  Richard Henderson  <rth@redhat.com>
10125
10126         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10127         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10128         alpha_split_lock_test_and_set_12): New functions.
10129         * config/alpha/alpha-protos.h: Update.
10130         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10131         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10132         * config/alpha/sync.md (I12MODE): New.
10133         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10134         (sync_<fetchop_name><I48MODE>): Likewise.
10135         (sync_nand<I48MODE>): Likewise.
10136         (sync_old_<fetchop_name><I48MODE>): Likewise.
10137         (sync_new_<fetchop_name><I48MODE>): Likewise.
10138         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10139         (sync_compare_and_swap<I48MODE>): Likewise.
10140         (sync_lock_test_and_set<I48MODE>): Likewise.
10141         (sync_compare_and_swap<I12MODE>): New.
10142         (sync_compare_and_swap<I12MODE>_1): New.
10143         (sync_lock_test_and_set<I12MODE>): New.
10144         (sync_lock_test_and_set<I12MODE>_1): New.
10145
10146 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10147
10148         PR 21356
10149         PR 22332
10150         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10151
10152 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10153
10154         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10155         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10156
10157 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10158
10159         PR target/21656
10160         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10161
10162 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10163
10164         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10165         memory_operand constraint.
10166         (store_conditional_<mode>): Same.
10167         (sync_compare_and_swap<mode>): Same.
10168         (sync_lock_test_and_set<mode>): Same.
10169
10170 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10171
10172         Rewrite PIC support to more closely model actual instructions.
10173         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10174         (cris_symbol): Remove prototypes for removed functions.
10175         (cris_pic_symbol_type_of, cris_valid_pic_const)
10176         (cris_expand_pic_call_address): Prototypes for new functions.
10177         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10178         variable.
10179         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10180         modifiers.
10181         <case ':'>: Add case for new punctuation character.
10182         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10183         emitting (extra) PIC modifier.
10184         <case UNSPEC>: Do not assert for PLT.
10185         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10186         (cris_expand_prologue, cris_expand_epilogue): Check
10187         for pic_offset_table_rtx usage instead of taking
10188         current_function_uses_pic_offset_table as the final word.
10189         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10190         Remove flag_pic difference.
10191         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10192         the moral equivalents of...
10193         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10194         functions.
10195         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10196         (cris_handle_option): Mark ARG as unused.
10197         (cris_expand_pic_call_address): New worker function for "call",
10198         "call_value".
10199         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10200         output PIC constructs here.
10201         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10202         as symbol-specific modifers, not whole or part of operands.
10203         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10204         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10205         constants and flag_pic.
10206         (CONSTANT_INDEX_P): Adjust for new functions.
10207         (enum cris_pic_symbol_type): New helper type.
10208         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10209         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10210         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10211         define_constants.
10212         ("movsi"): Emit actual instructions for GOT and relative access.
10213         ("*movsi_got_load"): New pattern to set up the register holding
10214         the GOT pointer.
10215         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10216         Adjust FIXME for 'S'.
10217         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10218         Use "movs" for -fpic cases.
10219         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10220         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10221         ("call", "call_value"): Just call cris_expand_pic_call_address for
10222         PIC addresses.
10223         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10224         Remove special pattern.
10225         ("*expanded_call_side", "*expanded_call_value_side"): New
10226         patterns.
10227         (gotplt-to-plt, gotplt-to-plt-side-call)
10228         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10229         peephole2:s.
10230         * config/cris/cris/predicates.md
10231         ("cris_general_operand_or_gotless_symbol"): Remove unused
10232         predicate.
10233         ("cris_general_operand_or_symbol"): Adjust for new functions.
10234
10235 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10236
10237         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10238
10239 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10240
10241         * Makefile.in (TREE_H): Add treestruct.def.
10242         (c-decl.o): Add pointer-set.h
10243         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10244         visibility on regular DECL's.
10245         (merge_decls): Fix the copying of decl nodes of various types for
10246         the new structures.  Don't update RTL, section name, weak status,
10247         etc, on DECL's without RTL.
10248         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10249         Don't check volatile on non-variable types.
10250         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10251         to check whether we have seen arguments.
10252         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10253         flag is checked before field (flag is common, field is not).
10254         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10255         TS_DECL_COMMON could have an origin.
10256         (add_location_or_const_value_attribute): Don't check section name
10257         on non-var/function decls.
10258         (dwarf2out_var_location): Reverse order of tests.
10259         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10260         with DECL_WRTL_CHECK.
10261         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10262         * fold-const.c (fold_binary): Don't check weakness on
10263         non-var/function decls.
10264         (tree_expr_nonzero_p): Ditto.
10265         (fold_checksum_tree): Use tree_decl_extra as sizeof
10266         buffer.
10267         * ggc-page.c (extra_order_size_table): Add sizes for
10268         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10269         tree_field_decl.
10270         * gimplify.c (gimplify_bind_expr): Only set
10271         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10272         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10273         without RTL.
10274         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10275         * langhooks.h (init_ts). New langhook.
10276         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10277         * print-tree.c (print_node): Update to only print fields that
10278         exist in the structures the passed decl has.
10279         * toplev.c (wrapup_global_declarations): Don't reset
10280         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10281         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10282         * tree-inline.c (remap_decl): Ditto.
10283         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10284         * tree-pretty-print.c (print_declaration): Don't print
10285         DECL_REGISTER on things that don't contain it.
10286         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10287         non-var/function decls.
10288         * tree.c (tree_contains_struct): New structure.
10289         (init_priority_for_decl): New hashtable.
10290         (tree_int_map): New structure.
10291         (tree_int_map_eq): New function.
10292         (tree_int_map_marked_p): Ditto.
10293         (tree_int_map_hash): Ditto.
10294         (tree_map): Move to tree.h.
10295         (tree_map_eq): Externalize.
10296         (tree_map_hash): Ditto.
10297         (tree_map_marked_p): Ditto.
10298         (init_ttree): Set up tree_contains_struct and call langhook.
10299         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10300         (tree_code_size): Update for new structures.
10301         (tree_node_structure): Update for new structures.
10302         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10303         without the field.
10304         (copy_node_stat):  Copy init priority.
10305         (build_decl_stat): Ditto for visibility.
10306         (ts_enum_names): New.
10307         (tree_contains_struct_check_failed): New function.
10308         (decl_init_priority_lookup): Ditto.
10309         (decl_init_priority_insert): Ditto.
10310         * treestruct.def: New file.
10311         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10312         (CONTAINS_STRUCT_CHECK): Ditto.
10313         (tree_contains_struct_check_failed): New prototype.
10314         (DECL_CHECK): Removed.
10315         (DECL_MINIMAL_CHECK): New.
10316         (DECL_COMMON_CHECK): Ditto.
10317         (DECL_WRTL_CHECK): Ditto.
10318         (DECL_NON_COMMON_CHECK): Ditto.
10319         (DECL_WITH_VIS_CHECK): Ditto.
10320         (VAR_OR_FUNCTION_DECL_P): Ditto
10321         (struct tree_decl_minimal): New structure.
10322         (struct tree_decl_common): Ditto.
10323         (struct tree_decl_with_rtl): Ditto.
10324         (struct tree_decl_with_vis): Ditto.
10325         (struct tree_decl_non_common): Ditto.
10326         (struct tree_field_decl): Ditto.
10327         (struct tree_parm_decl): Ditto.
10328         (struct tree_var_decl): Ditto.
10329         (struct tree_function_decl): Ditto.
10330         (struct tree_const_decl): Ditto.
10331         (struct tree_result_decl): Ditto.
10332         (union tree_node): Add new structures.
10333         * var-tracking.c (track_expr_p): Reverse order of tests.
10334
10335         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10336
10337 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10338
10339         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10340         * system.h: Poison FINALIZE_PIC.
10341         * doc/tm.texi (FINALIZE_PIC): Remove.
10342
10343 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10344
10345         PR tree-opt/22329
10346         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10347         to the correct type if we have a MODIFY_EXPR.
10348
10349 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10350
10351         PR tree-optimization/22360
10352         * tree.c (upper_bound_in_type): Fix calculations for casting
10353         to a non-wider signed type and casting a signed value to a
10354         wider unsigned type.
10355         (lower_bound_in_type): Fix calculations for casting to a
10356         non-wider signed type.
10357
10358         PR tree-optimization/20139
10359         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10360         release_defs.
10361         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10362         fold_cond_expr_cond.
10363         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10364         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10365
10366 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10367
10368         PR tree-opt/22356
10369         * tree-complex.c (expand_complex_libcall): Produce
10370         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10371
10372 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10373
10374         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10375         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10376         b" assert and inserted fastpath code for this case.
10377         (bitmap_ior): Removed "a != b" assert.
10378
10379 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10380
10381         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10382         (ENDFILE_SPEC): Likewise.
10383         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10384
10385         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10386         a large stack frame at epilogue.
10387
10388 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10389
10390         * final.c: Include sdbout.h when required.
10391
10392 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10393
10394         * config.gcc (*-*-darwin*): Only one target-specific header file
10395         for generic darwin.
10396         (powerpc-*-darwin*): Add version-specific header files.
10397         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10398         * config.in: Regenerate.
10399         * configure: Regenerate.
10400         * gcc.c: Include xregex.h.
10401         (version_compare_spec_function): New.
10402         (spec_function): Add version-compare.
10403         (replace_outfile_spec_function): Reformat comment.
10404         (compare_version_strings): New.
10405         * config/darwin-c.c (version_as_macro): New.
10406         (builtin_define): New.
10407         (darwin_cpp_builtins): New.
10408         * config/darwin-protos.h (darwin_cpp_builtins): New.
10409         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10410         (LIB_SPEC): Make unconditional, update comment.
10411         (TARGET_C99_FUNCTIONS): Define.
10412         * config/darwin.opt: Sort.
10413         (mmacosx-version-min=): New.
10414         * config/darwin7.h: Delete.
10415         * config/darwin8.h: Delete.
10416         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10417         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10418         (TARGET_C99_FUNCTIONS): Define.
10419         * config/rs6000/darwin7.h: New.
10420         * config/rs6000/darwin8.h: New.
10421         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10422         (-mmacosx-version-min): Document.
10423
10424 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10425
10426         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10427
10428 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10429
10430         PR middle-end/22239
10431         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10432
10433 2005-07-07  Khem Raj  <kraj@mvista.com>
10434
10435         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10436         in bytes, not words.
10437
10438 2005-07-07  Paul Brook  <paul@codesourcery.com>
10439
10440         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10441         DEFAULT_FUNCTION_ARG_PADDING to upward.
10442
10443 2005-07-07  Richard Henderson  <rth@redhat.com>
10444
10445         * function.c (locate_and_pad_parm): Record parameter alignment in
10446         stack_alignment_needed.
10447
10448 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10449
10450         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10451         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10452         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10453         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10454         (define_attr "type"): Add isync, sync, load_l, store_c.
10455         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10456         Create scratch volatile MEM.
10457         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10458         sync.
10459         (load_locked_<mode>): New.
10460         (store_conditional_<mode>): New.
10461         (sync_compare_and_swap<mode>): Replace with splitter.
10462         (sync_lock_test_and_set<mode>): Replace with splitter.
10463         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10464         and UNSPECV_ISYNC.
10465         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10466         is ics.  Attribute isync.
10467         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10468         lwsync.
10469         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10470         and UNSPECV_SYNC_OP.
10471         (emit_unlikely_jump): New.
10472         (emit_load_locked): New.
10473         (emit_store_conditional): New.
10474         (rs6000_split_compare_and_swap): New.
10475         (rs6000_split_lock_test_and_set): New.
10476         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10477         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10478         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10479         rs6000_split_lock_test_and_set): Declare.
10480         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10481         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10482         store_c, isync, sync.
10483
10484 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10485
10486         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10487         filenames to gtyp-gen.h.
10488         (s-typ-gen): Use it in place of for loops.
10489
10490 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10491
10492         * hooks.c (hook_bool_rtx_int_false): New function.
10493         * hooks.h (hook_bool_rtx_int_false): Declare.
10494         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10495         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10496         * target.h (struct gcc_target): Add commutative_p member.
10497         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10498         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10499         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10500         (pa_commutative_p): New function.
10501         * jump.c (target.h): Include.
10502         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10503         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10504
10505 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10506
10507         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10508         (s390_expand_setmem): New.
10509         * config/s390/s390.c: Likewise.
10510         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10511         Adapt comments.
10512         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10513         general_operand.  Call new function "s390_expand_setmem".
10514         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10515         ("setmem_long", "*setmem_long"): ... this.
10516
10517 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10518
10519         * config/s390/s390.c: (optimization_options): Enable
10520         TARGET_MVCLE at -Os.
10521         * doc/invoke.texi: Document changes in default behaviour.
10522         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10523
10524 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10525
10526         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10527         defined by back-end.
10528
10529 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10530
10531         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10532         all sets in the pattern.
10533         * config/rs6000/rs6000.md (stack_protect_testsi,
10534         stack_protect_testdi): Likewise.
10535
10536 2005-07-06  Jeff Law  <law@redhat.com>
10537
10538         * tree-vrp.c (simplify_using_ranges): Kill.
10539         (vrp_finalize): Remove call to simplify_using_ranges.
10540         (simplify_stmt_using_ranges): New function extracted from
10541         simplify_using_ranges.
10542         (simplify_div_or_mod_using_ranges): Likewise.
10543         (simplify_abs_using_ranges): Likewise.
10544         (simplify_cond_using_ranges): New function.
10545         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10546         * tree-ssa-propagate.c (substitute_and_fold): Call
10547         simplify_stmt_using_ranges if we have range information.
10548
10549 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10550
10551         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10552         ia64_flag_schedule_isns2.
10553
10554         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10555         reading/writing general registers.
10556         (ia64_function_arg): Revert 2005-06-18 change.
10557
10558 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10559
10560         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10561         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10562
10563 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10564
10565         * function.c (expand_function_end): Revert part of 2005-06-27
10566         patch.  Do sjlj_emit_function_exit_after after return_label.
10567
10568 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10569
10570         * doc/install.texi (--disable-libssp): New.
10571
10572 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10573
10574         * doc/invoke.texi: Update -fforce-mem documentation.
10575         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10576         code for -fforce-mem.
10577         * expmed.c: (store_bit_field,store_fixed_bit_field,
10578         extract_bit_field): Ditto.
10579         * expr.c: (convert_move): Ditto.
10580         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10581         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10582         emit_conditional_add,expand_float,expand_fix): Ditto.
10583         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10584         (common_handle_option): Issue warning when -fforce-mem specified.
10585
10586 2005-07-06  Paul Brook  <paul@codesourcery.com>
10587
10588         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10589         argument is empty.
10590         * configure: Regenerate.
10591
10592 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10593
10594         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10595
10596 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10597
10598         Fix PR tree-optimization/22319
10599         Fix PR tree-optimization/22140
10600         Fix PR tree-optimization/22310
10601
10602         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10603         variable sized types.
10604         Use correct type for intermediate structure on *a = *b structure
10605         copies.
10606
10607 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10608
10609         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10610         Remove.
10611         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10612         (machine_function): Move typedef to...
10613         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10614         varargs_save_offset field.
10615         (rs6000_stack_t): Remove varargs_size field.
10616         (setup_incoming_varargs): Allocate varargs save area using
10617         assign_stack_local, try to make it as small as possible.
10618         Save offset from virtual_stack_vars_rtx to the save area
10619         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10620         instead of magic 8 when fp word byte size is used.
10621         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10622         instead of -RS6000_VARARGS_SIZE.
10623         (rs6000_stack_info, debug_stack_info,
10624         rs6000_initial_elimination_offset): Remove all traces of
10625         varargs_size.
10626         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10627         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10628         RS6000_VARARGS_AREA.
10629
10630 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10631
10632         PR tree-optimization/21963
10633         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10634         constant_multiple_of in the same way get_computation_cost_at does.
10635
10636 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10637
10638         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10639         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10640         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10641         and return its previous value.
10642         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10643         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10644         constants.
10645         (stack_protect_set, stack_protect_test): New expanders.
10646         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10647         stack_protect_testdi): New insns.
10648         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10649         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10650
10651 2005-07-06  Jeff Law  <law@redhat.com>
10652
10653         * tree-ssa-dce.c (cfg_altered): New global.
10654         (tree_dce_init): Initialize cfg_altered.
10655         (remove_dead_stmt): If we remove an edge in the CFG, then set
10656         CFG_ALTERED.
10657         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10658         the dominators.
10659
10660 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10661
10662         * Makefile.in (stamp-collect-ld): Use
10663         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10664         ./collect-ld if it already exists.
10665         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10666         Don't remove ./nm if it already exists.
10667
10668 2005-07-05  Devang Patel  <dpatel@apple.com>
10669
10670         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10671         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10672         * tree-vectorizer.c (vect_loop_location): New.
10673         (vect_print_dump_info): Use vect_loop_location.
10674         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10675         (vectorize_loops): Set vect_loop_location.
10676         * tree-vect-analyze.c (vect_analyze_offset_expr,
10677         vect_determin_vectorization_factor, vect_analyze_operations,
10678         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10679         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10680         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10681         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10682         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10683         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10684         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10685         vect_analyze_loop): Adjust vect_print_dump_info API.
10686         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10687         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10688         vect_finish_stmt_generation, vectorizable_assignment,
10689         vectorizable_operation, vectorizable_store, vectorizable_load,
10690         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10691         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10692         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10693         vect_transform_loop): Same.
10694         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10695         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10696         Same.
10697
10698 2005-07-05  Randolph Chung  <tausq@debian.org>
10699
10700         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10701         * configure: Regenerate.
10702         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10703         (pa_tls_referenced_p): Declare.
10704         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10705         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10706         (legitimize_tls_address): New.
10707         (hppa_legitimize_address): Handle TLS addresses.
10708         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10709         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10710         (emit_move_sequence): Handle TLS addresses.
10711         (pa_encode_section_info): Call default handler to handle common
10712         sections.
10713         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10714         (CONSTANT_ADDRESS_P): Reject TLS operands.
10715         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10716         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10717         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10718         (UNSPEC_TLSLE): Define new constants.
10719         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10720         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10721         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10722         (tie_symbolic_operand, tle_symbolic_operand): New
10723
10724 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10725
10726         * aclocal.m4: Update macros for autoconf 2.59 style.
10727         * configure.ac: Likewise.
10728
10729 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10730
10731         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10732         (function_arg): Pass small aggregates in general registers on 32-bit
10733         targets.
10734         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10735
10736 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10737
10738         * Makefile.in (final.o): Fix dependencies.
10739
10740 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10741
10742         PR c/22013
10743         PR c/22098
10744         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10745         * langhooks.c (lhd_expr_to_decl): New.
10746         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10747         New.
10748         (LANG_HOOKS_INITIALIZER): Update.
10749         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10750         expr_to_decl langhook.
10751         * c-tree.h (c_expr_to_decl): Declare.
10752         * c-typeck.c (c_expr_to_decl): New.
10753         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10754         specially.
10755         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10756
10757 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10758
10759         PR c/22308
10760         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10761         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10762
10763 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10764
10765         * Makefile.in: Adjust dependencies.
10766         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10767         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10768         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10769         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10770         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10771         rest_of_compilation.
10772
10773         * bb-reorder.c (gate_duplicate_computed_gotos,
10774         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10775         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10776         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10777         pass_partition_blocks): New.
10778         * bt-load.c (gate_handle_branch_target_load_optimize,
10779         rest_of_handle_branch_target_load_optimize,
10780         pass_branch_target_load_optimize): New.
10781         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10782         pass_jump2): New.
10783         * cfglayout.c (pass_insn_locators_initialize): New.
10784         * cfgrtl.c (pass_free_cfg): New.
10785         * combine.c (gate_handle_combine, rest_of_handle_combine,
10786         pass_combine): New.
10787         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10788         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10789         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10790         * except.c (pass_set_nothrow_function_flags,
10791         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10792         pass_rtl_eh): New.
10793         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10794         rest_of_handle_shorten_branches, pass_shorten_branches,
10795         rest_of_clean_state, pass_clean_state): New.
10796         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10797         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10798         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10799         pass_flow2): New.
10800         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10801         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10802         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10803         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10804         pass_gcse): New.
10805         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10806         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10807         pass_rtl_ifcvt, gate_handle_if_after_combine,
10808         rest_of_handle_if_after_combine, pass_if_after_combine,
10809         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10810         pass_if_after_reload): New.
10811         * integrate.c (pass_initial_value_sets): New.
10812         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10813         pass_purge_lineno_notes): New.
10814         * mode-switching.c (rest_of_handle_mode_switching,
10815         pass_mode_switching): New.
10816         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10817         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10818         pass_loop2): New.
10819         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10820         pass_loop_optimize): New.
10821         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10822         pass_sms): New.
10823         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10824         pass_gcse2): New.
10825         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10826         pass_postreload_cse): New.
10827         * profile.c (gate_handle_profiling, pass_profiling,
10828         rest_of_handle_branch_prob, pass_branch_prob): New.
10829         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10830         pass_split_before_regstack, gate_handle_split_before_regstack,
10831         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10832         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10833         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10834         pass_stack_regs): New.
10835         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10836         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10837         pass_stack_adjustments): New.
10838         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10839         pass_regrename): New.
10840         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10841         pass_delay_slots, gate_handle_machine_reorg,
10842         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10843         * rtl.h (extern void purge_line_number_notes): New.
10844         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10845         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10846         pass_sched2): New.
10847         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10848         pass_tracer): New.
10849         * value-prof.c (gate_handle_value_profile_transformations,
10850         rest_of_handle_value_profile_transformations,
10851         pass_value_profile_transformations): New.
10852         * var-tracking.c (gate_handle_var_tracking,
10853         pass_variable_tracking): New.
10854         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10855
10856         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10857         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10858         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10859         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10860         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10861         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10862         rest_of_handle_gcse2, rest_of_handle_regmove,
10863         rest_of_handle_tracer, rest_of_handle_if_conversion,
10864         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10865         rest_of_handle_web, rest_of_handle_branch_prob,
10866         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10867         rest_of_handle_jump_bypass, rest_of_handle_combine,
10868         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10869         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10870         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10871         rest_of_handle_mode_switching, rest_of_handle_jump,
10872         rest_of_handle_eh, rest_of_handle_stack_adjustments,
10873         rest_of_handle_flow2, rest_of_handle_jump2,
10874         rest_of_handle_peephole2, rest_of_handle_postreload,
10875         rest_of_handle_shorten_branches, rest_of_clean_state,
10876         rest_of_compilation): Remove.
10877
10878         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10879         * passes.c (dump_flags, in_gimple_form, all_passes,
10880         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10881         register_dump_files, next_pass_1, last_verified, execute_todo,
10882         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10883         from tree-optimize.c.
10884         (init_optimization_passes): Moved from tree-optimize.c,
10885         adding the RTL optimizations.
10886         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10887         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10888         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10889         register_dump_files, next_pass_1, last_verified, execute_todo,
10890         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10891         init_tree_optimization_passes, ipa_passes): Delete.
10892         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10893         the RTL dumps.
10894         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10895         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10896         from tree.h.
10897         (ipa_passes): Remove.
10898         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10899         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10900         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10901         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10902         (dump_info_p, dump_flag): Moved to tree-dump.h.
10903
10904         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10905         cgraph.c, opts.c.
10906         * passes.c (finish_optimization_passes): Use dump_begin
10907         and dump_end, TDI_end.
10908         (gate_rest_of_compilation): New.
10909         (pass_rest_of_compilation): Use it.
10910         (gate_postreload, pass_postreload): New.
10911         * toplev.c (general_init): Rename init_tree_optimization_passes.
10912         * toplev.h (init_tree_optimization_passes): Rename to
10913         init_optimizations_passes.
10914         * tree-dump.c (dump_flag): Make static.
10915         (dump_files): Remove RTL dumps.
10916         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10917         pass_cleanup_cfg, pass_free_cfg_annotations,
10918         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10919         pass_init_datastructures, pass_fixup_cfg): Make non-static.
10920         * tree-pretty-print.c: Include tree-pass.h.
10921         * cgraph.c: Include tree-dump.h.
10922
10923 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10924
10925         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10926         Only fall back to saying it points to readonly memory if
10927         we can't do better.
10928
10929 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10930
10931         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10932         * config/m32r/m32r.c (m32r_compute_frame_size,
10933         m32r_expand_prologue): Take current_function_profile into
10934         account whenever we reference
10935         current_function_uses_pic_offset_table.
10936         (m32r_finalize_pic): Remove.
10937         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10938
10939 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
10940
10941         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10942         instead of $<.  Don't remove ./as if it already exists.
10943
10944 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10945
10946         PR target/21723
10947         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10948         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10949         for complex modes when generating code for PA 1.0.
10950         (VALID_FP_MODE_P): New macro.
10951         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10952         sets for all general and floating point modes.  Align wide floating
10953         point modes to even register boundaries to comply with architectural
10954         requirements.
10955         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10956         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10957         (VALID_FP_MODE_P): New macro.
10958         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10959         sets for all general and floating point modes.  Align wide floating
10960         point modes to even register boundaries to comply with architectural
10961         requirements.
10962
10963 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10964
10965         * tree-dump.c (dump_files): Initialize dump number for .cgraph
10966         to 0.
10967
10968 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10969
10970         * tree-ssa-structalias.c: Don't include expr.h.
10971
10972 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10973
10974         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10975         comments.
10976
10977 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10978
10979         Fix PR tree-optimization/22279
10980
10981         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10982         correct operator.
10983
10984 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
10985
10986         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10987
10988 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10989
10990         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10991         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10992         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10993         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10994         config/stormy16/stormy16.c, config/v850/v850.c,
10995         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10996         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10997         Avoid "." or "\n" at end of diagnostics and capital letters at
10998         start of diagnostics.
10999         * combine.c, cse.c: Don't translate dump file output.
11000         * toplev.c (print_version): Only translate output if going to
11001         stderr.
11002
11003 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11004
11005         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11006         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11007         typos.
11008
11009 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11010
11011         * pa.c (fix_range): Fix typo in comment.
11012
11013 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11014
11015         * tree-vrp.c (extract_range_from_assert): Replace
11016         fold (build (...)) with fold_build2.
11017
11018 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11019
11020         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11021         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11022         (format_types_orig, handle_format_attribute): Add support for
11023         format "gcc_gfc".
11024
11025 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11026
11027         * varasm.c (assemble_variable): Fix format specifier thinko.
11028
11029 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11030
11031         PR tree-optimization/22029 (and 22135)
11032         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11033         a phi node before calling dump_vops.
11034
11035 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11036
11037         * tree-dump.h (dump_string_field): Declare.
11038         * tree-dump.c: Use it instead of dump_string.
11039         (dump_string_field): Make non-static.
11040
11041 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11042
11043         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11044         up the minimal CFG stuff always when optimize > 0.  Call
11045         split_all_insns_noflow in PIC case if needed.
11046
11047 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11048             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11049
11050         PR c++/18279
11051         * c-decl.c (c_write_global_declarations): Dump contents of
11052         external scope to.
11053         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11054         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11055         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11056         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11057         is enabled.
11058
11059 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11060
11061         * c-common.h (GCC_DIAG_STYLE): Define.
11062         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11063         version for format checking to 4.1.
11064         * c-format.c: Include toplev.h after c-common.h.
11065         (enum format_type): Add gcc_tdiag_format_type.
11066         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11067         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11068         (format_types_orig): Add gcc_tdiag.
11069         (init_dynamic_diag_info): Support gcc_tdiag formats.
11070         (handle_format_attribute): Likewise.
11071         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11072         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11073         version for format checking to 4.1.
11074         (warning0, warning, error, pedwarn, sorry): Use
11075         ATTRIBUTE_GCC_DIAG.
11076         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11077         (finish_aliases_1): Do not use %qE.
11078         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11079         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11080         Correct format bugs.
11081         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11082         parameter to unsigned HOST_WIDE_INT.
11083         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11084
11085 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11086
11087         PR middle-end/21742
11088         * expr.c (write_complex_part): Use adjust_address for MEM.
11089         (read_complex_part): Same.
11090
11091 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11092
11093         Fix PR tree-optimization/22280
11094
11095         * tree-sra.c (generate_element_init): Remove useless loop.
11096
11097 2005-07-02  Richard Henderson  <rth@redhat.com>
11098
11099         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11100         TLS_MODEL_NONE.
11101         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11102
11103 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11104
11105         PR middle-end/14490
11106         * fold-const.c (fold_binary): Handle the return value of
11107         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11108         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11109
11110 2005-07-02  Jeff Law  <law@redhat.com>
11111
11112         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11113         a eliminate type conversion which feeds an equality comparison
11114         if the original type or either operand in the comparison is a
11115         function pointer.
11116
11117 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11118
11119         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11120         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11121         texts.
11122         * config/avr/avr.c: Do not use '`' as left quote.
11123         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11124         Remove "." from end of diagnostics.  Make diagnostics start with
11125         lowercase letter.
11126
11127 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11128             Joseph S. Myers  <joseph@codesourcery.com>
11129
11130         * toplev.c (default_tree_printer): Handle setting location with
11131         '+' flag.
11132         * c-objc.common.c (c_tree_printer): Likewise.
11133         * c-format.c (gcc_diag_flag_specs): Add '+'.
11134         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11135         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11136         formats.
11137         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11138         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11139         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11140         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11141         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11142         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11143         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11144         format arguments where %J is used without %D.
11145
11146 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11147
11148         * gcc.c (LINK_SSP_SPEC): Define.
11149         (link_ssp_spec): New variable.
11150         (LINK_COMMAND_SPEC): Add %(link_ssp).
11151         (static_specs): Add link_ssp_spec.
11152         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11153         * configure: Rebuilt.
11154         * config.in: Rebuilt.
11155
11156         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11157         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11158         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11159         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11160         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11161         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11162         -0x7008(2) instead of reading __stack_chk_guard variable.
11163         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11164         number.
11165         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11166         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11167         if TARGET_THREAD_SSP_OFFSET is defined.
11168         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11169         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11170
11171         Revert:
11172         2005-06-27  Richard Henderson  <rth@redhat.com>
11173         * libgcc-std.ver (GCC_4.1.0): New.
11174         * libgcc.h (__stack_chk_guard): Declare.
11175         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11176         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11177         * mklibgcc.in (lib2funcs): Add them.
11178
11179 2005-07-01  Richard Henderson  <rth@redhat.com>
11180
11181         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11182         void * before struct sigcontext *.
11183         (x86_fallback_frame_state): Likewise.
11184
11185 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11186
11187         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11188
11189 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11190
11191         PR tree-opt/22269
11192         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11193         we check for SSA_NAME for.
11194
11195 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11196
11197         Fix PR tree-optimization/22071
11198
11199         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11200         function.
11201         (get_constraint_for_component_ref): Use it.
11202
11203 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11204
11205         PR other/22264
11206         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11207         print out the last new line.
11208
11209 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11210
11211         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11212         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11213         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11214         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11215         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11216         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11217         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11218         (enum reg_class): New member CC0_REGS.
11219         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11220         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11221         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11222         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11223         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11224         Adjust for register now described.
11225
11226 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11227
11228         PR target/22262
11229         * config/i386/i386.md (stack_protect_test_si,
11230         stack_protect_test_di): Add earlyclobber for scratch 3.
11231         * config/rs6000/rs6000.md (stack_protect_testsi,
11232         stack_protect_testdi): Add earlyclobber for scratch 3,
11233         remove earlyclobber from scratch 4.
11234
11235 Older entries for 2005 can be found in ChangeLog-2005.