reload.h (reg_equiv_invariant): Declare.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
2
3         * reload.h (reg_equiv_invariant): Declare.
4         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
5         register also when reg_equiv_invariant[R] is set.
6
7 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
8             Andreas Tobler  <a.tobler@schweiz.ch>
9
10         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
11
12 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
13
14         * tree-ssa-pre.c (bitmap_set_and): New function.
15         (bitmap_set_and_compl): New function.
16         (bitmap_set_empty_p): New function.
17         (insert_extra_phis): New function.
18         (compute_avail): Use insert_extra_phis.
19
20 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
21
22         * config/s390/s390.c (s390_expand_atomic): New function.
23         Adjust comment of helper functions.
24         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
25         * config/s390/s390.md ("ATOMIC"): New code macro.
26         ("atomic"): Corresponding new code attribute.
27         ("sync_lock_test_and_set[hq]i", 
28         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
29
30 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
31
32         * config/s390/s390.c (s390_expand_mask_and_shift, 
33         struct alignment_context, init_alignment_context, 
34         s390_expand_cs_hqi): New.
35         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
36         * config/s390/s390.md ("sync_compare_and_swaphi",
37         "sync_compare_and_swapqi"): New pattern.
38
39 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
40
41         Fix PR tree-optimization/25291
42         * tree-ssa-operands.c (add_call_clobber_ops): Remove
43         redundant and crashing check.
44
45 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
46
47         PR target/25212
48         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
49         tests further when !strict && reload_in_progress.
50         (print_operand): Check that both operands of indexed address are regs.
51         (print_operand_address): Likewise.
52         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
53         (INT_REG_OK_FOR_BASE_P): Correct.
54
55 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
56
57         Preparation for PR rtl-optimization/20070 / part1
58         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
59         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
60         outgoing_edges_match.
61         (outgoing_edges_match): Use condjump_equiv_p.
62         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
63         into..
64         * struct-equiv.c: New file.
65         (death_notes_match_p) New function, broken out of insns_match_p.
66         * Makefile.in (OBJS-common): Add struct-equiv.o.
67         (struct-equiv.o): New target.
68
69 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
70
71         * coretypes.h: Revert previous change.
72         * config/darwin.h: Revert previous reversion.
73         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
74
75 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
76
77         * coretypes.h (section): Provide dummy definition for target files.
78         * config/darwin.h: Revert previous change.
79
80 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
81
82         * doc/sourcebuild.texi (all.build, install-normal): Remove.
83         * configure.ac: Remove all.build and install-normal from target_list
84         * configure: Regenerate.
85         * Makefile.in (install): Don't depend on install-normal.
86
87 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
88
89         * Makefile.in: Document the use of stamps.
90
91 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
92
93         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
94         * Makefile.in: Add code to compute some dependencies on s-gtype
95         automatically.  Remove the declaration of those dependencies.
96
97 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
98
99         * gcc/reload.c (push_secondary_reload): Fix typo:
100         s/insn_constraint/scratch_constraint/.
101
102 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
103
104         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
105
106 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
107
108         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
109         (alpha_elf_select_rtx_section): Return the selected section rather
110         than emitting assembly code.
111         (alpha_write_linkage): Emit a ".link" directive directly and then
112         set in_section to NULL.
113         (vms_asm_out_constructor): Use switch_to_section.
114         (vms_asm_out_destructor): Likewise.
115         (unicosmk_output_common): Set in_section to NULL instead of calling
116         the dummy common_section function.
117         (unicosmk_text_section): Delete in favor of...
118         (unicosmk_output_text_section_asm_op): ...this new function.
119         (unicosmk_data_section): Delete in favor of...
120         (unicosmk_output_data_section_asm_op): ...this new function.
121         (unicosmk_init_sections): New function.
122         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
123         (unicosmk_output_ssib): Set in_section to NULL instead of calling
124         the dummy ssib_section function.
125         (unicosmk_section_buf): Delete.
126         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
127         (unicosmk_data_section): Delete.
128         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
129         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
130         (SECTION_FUNCTION_TEMPLATE): Delete.
131         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
132         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
133         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
134         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
135         (TARGET_ASM_INIT_SECTIONS): Define.
136         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
137         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
138         (link_section, literals_section): Delete.
139         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
140         set in_section to NULL.
141
142         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
143         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
144         (COMMON_SECTION): Delete.
145         (TARGET_ASM_INIT_SECTIONS): Define.
146         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
147         the dummy common_section function.
148         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
149         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
150         between readonly_data_section and text_section to check whether
151         read-only data is being put in the text section.
152         (arm_output_function_epilogue): Use switch_to_section.
153         (arm_elf_asm_constructor): Likewise.
154         (thumb_call_via_reg): Replace call to in_text_section with
155         a comparison between in_section and text_section.
156         (arm_file_end): Use switch_to_section.
157         (aof_text_section): Delete in favor of...
158         (aof_output_text_section_asm_op): ...this new function.
159         (aof_data_section): Delete in favor of...
160         (aof_output_data_section_asm_op): ...this new function.
161         (aof_asm_init_sections): New function.
162         (zero_init_section): Moved from config/arm/aof.h.
163         (aof_dump_imports, aof_file_start): Use switch_to_section.
164         * config/arm/arm.h (thumb_call_via_label): Update comment.
165         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
166         (common_section): Delete.
167         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
168         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
169         global switch_to_section function instead of the old port-local one.
170         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
171         (SWITCH_TO_SECTION_FUNCTION): Delete.
172         (drectve_section): Redefine as a macro.
173         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
174         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
175         switch_to_section.
176
177         * config/avr/avr.c (progmem_section): New variable.
178         (avr_output_progmem_section_asm_op): New function.
179         (avr_asm_init_sections): New function.
180         (avr_output_addr_vec_elt): Use switch_to_section.
181         * config/avr/avr.h (progmem_section): Declare.
182         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
183         (READONLY_DATA_SECTION): Delete.
184         (TARGET_ASM_INIT_SECTIONS): Define.
185         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
186         * config/avr/avr-protos.h (progmem_section): Delete.
187
188         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
189
190         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
191         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
192
193         * config/darwin-sections.def: New file.
194         * config/darwin.c: Define all sections in darwin-sections.def.
195         (output_objc_section_asm_op, darwin_init_sections): New functions.
196         (machopic_output_indirection): Use switch_to_section.
197         (machopic_select_section): Return the selected section rather than
198         emitting assembly code.  Replace the static function table with
199         inline conditional expressions.  Update the tests of last_text_section
200         and move them into the FUNCTION_DECL block.
201         (machopic_select_rtx_section): Return the selected section rather than
202         emitting assembly code.
203         (machopic_asm_out_constructor, machopic_asm_out_destructor)
204         (darwin_file_end): Use switch_to_section.
205         * config/darwin.h: Use darwin-sections.def to declare sections.
206         (INIT_SECTION_ASM_OP): Remove empty definition.
207         (HAS_INIT_SECTION): Define this instead.
208         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
209         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
210         (TARGET_ASM_EH_FRAME_SECTION): Delete.
211         (TARGET_ASM_INIT_SECTIONS): Define.
212         * config/darwin-protos.h (darwin_init_sections): Declare.
213         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
214         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
215         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
216         (constructor_section, destructor_section, mod_init_section): Delete.
217         (mod_term_section): Delete.
218         (darwin_exception_section, darwin_eh_frame_section): Delete.
219         (machopic_select_section): Return a section.
220         (machopic_select_rtx_section): Likewise.
221         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
222         (const_section, const_coal_section, const_data_section): Delete.
223         (const_data_coal_section, data_coal_section, cstring_section): Delete.
224         (literal4_section, literal8_section, constructor_section): Delete.
225         (mod_init_section, mod_term_section, destructor_section): Delete.
226         (objc_class_section, objc_meta_class_section, objc_category_section)
227         (objc_class_vars_section, objc_instance_vars_section): Delete.
228         (objc_cls_meth_section, objc_inst_meth_section): Delete.
229         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
230         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
231         (objc_symbols_section, objc_module_info_section): Delete.
232         (objc_image_info_section, objc_protocol_section): Delete.
233         (objc_string_object_section, objc_constant_string_object_section)
234         (objc_class_names_section, objc_meth_var_names_section): Delete.
235         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
236         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
237         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
238         (darwin_exception_section, darwin_eh_frame_section): Delete.
239         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
240
241         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
242         (frv_asm_out_destructor): Likewise.
243         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
244         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
245         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
246         get_named_section.
247         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
248         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
249         (data_section): Delete.
250
251         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
252         (DRECTVE_SECTION_FUNCTION): Delete.
253         (drectve_section): Redefine as a macro that sets in_section after
254         emitting the directive.
255         (SWITCH_TO_SECTION_FUNCTION): Delete.
256         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
257         in_text_section with comparison between in_section and text_section.
258         * config/i386/i386.c (x86_64_elf_select_section): Return the section
259         rather than emitting assembly code.  Use get_named_section.
260         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
261         get_named_section.
262         (machopic_output_stub): Use switch_to_section.
263         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
264         (nwld_named_section_asm_out_destructor): Use get_section and
265         switch_to_section.
266
267         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
268         rather than emitting assembly code.
269         (ia64_rwreloc_select_section): Likewise.
270         (ia64_rwreloc_select_rtx_section): Likewise.
271         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
272         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
273         switch_to_section.
274         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
275         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
276
277         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
278         section rather than emitting assembly code.
279         (iq2000_select_section): Likewise.
280         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
281         (sbss_section): Delete.
282
283         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
284         and get_named_section.
285         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
286
287         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
288         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
289         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
290         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
291         in_section to NULL.
292         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
293         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
294         global switch_to_section function instead of the old port-local one.
295         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
296         (SWITCH_SECTION_FUNCTION): Delete.
297         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
298         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
299         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
300         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
301         in_section to NULL.
302         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
303         global switch_to_section function instead of the old port-local one.
304         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
305
306         * config/mips/mips.c (mips_file_start): Update comment.
307         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
308         (mips_output_aligned_decl_common): Use switch_to_section.
309         (mips_select_rtx_section): Return the section rather than emitting
310         assembly code.  Use get_named_section.
311         (mips_function_rodata_section: Likewise get_section.
312         (build_mips16_function_stub): Use switch_to_section.
313         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
314         (SDATA_SECTION_ASM_OP): Delete.
315         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
316         (EXTRA_SECTION_FUNCTIONS): Delete.
317
318         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
319         (mmix_asm_output_aligned_local): Use switch_to_section.
320
321         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
322         (som_one_only_readonly_data_section): New variables.
323         (pa_output_function_epilogue): Set in_section to NULL instead of
324         calling forget_section.
325         (output_deferred_plabels): Use select_section.
326         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
327         of calling forget_section.
328         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
329         (pa_asm_output_aligned_local): Use select_section.
330         (som_text_section_asm_op): Delete in favor of...
331         (som_output_text_section_asm_op): ...this new function.
332         (pa_som_asm_init_sections): New function.
333         (pa_select_section): Return the section rather than emitting
334         assembly code.
335         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
336         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
337         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
338         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
339         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
340         (som_readonly_data_section, som_one_only_readonly_data_section)
341         (som_one_only_data_section, forget_section): Delete.
342         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
343         (TARGET_ASM_INIT_SECTIONS): Define.
344         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
345
346         * config/rs6000/rs6000.c (read_only_data_section): New variable.
347         (private_data_section, read_only_private_data_section): New variables.
348         (sdata2_section, toc_section): New variables.
349         (rs6000_file_start): Use switch_to_section.
350         (rs6000_assemble_integer): Use comparisons against in_section
351         instead of calling in_toc_section and in_text_section.  Use
352         unlikely_text_section_p.
353         (rs6000_elf_output_toc_section_asm_op): New function, derived
354         from the old rs6000/sysv4.h toc_section function.
355         (rs6000_elf_asm_init_sections): New function.
356         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
357         the section rather than emitting assembly code.
358         (machopic_output_stub): Use switch_to_section.
359         (toc_section): Delete dummy function.
360         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
361         switch_to_section and get_section.
362         (rs6000_xcoff_output_readonly_section_asm_op): New function.
363         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
364         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
365         the old rs6000/xcoff.h toc_section function.
366         (rs6000_xcoff_asm_init_sections): New function.
367         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
368         the section rather than emitting assembly code.
369         (rs6000_xcoff_file_start): Use switch_to_section.
370         (rs6000_xcoff_file_end): Likewise.
371         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
372         (sdata2_section, sbss_section, private_data_section): Delete.
373         (read_only_data_section, read_only_private_data_section): Delete.
374         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
375         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
376         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
377         (FINI_SECTION_FUNCTION): Delete.
378         (TARGET_ASM_INIT_SECTIONS): Define.
379         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
380         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
381         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
382         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
383         (READONLY_DATA_SECTION): Delete.
384         (TARGET_ASM_INIT_SECTIONS): Define.
385         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
386         to NULL rather than no_section.
387         (TARGET_ASM_EXCEPTION_SECTION): Delete.
388
389         * config/sh/sh.c (sh_file_start): Use switch_to_section.
390
391         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
392         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
393         from call to current_function_section.
394
395         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
396         (bss100_section): New variable.
397         (xstormy16_asm_output_aligned_common): Use switch_to_section.
398         (xstormy16_asm_init_sections): New function.
399         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
400         switch_to_section and get_section.
401         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
402         from calls to current_function_section.
403         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
404         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
405         (TARGET_ASM_INIT_SECTIONS): Define.
406         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
407
408         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
409         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
410         (FINI_SECTION_FUNCTION): Delete.
411
412         * config/v850/v850.c: Include gt-v850.h.
413         (rosdata_section, rozdata_section, tdata_section, zdata_section)
414         (zbss_section): New variables.
415         (v850_output_aligned_bss): Use switch_to_section.
416         (v850_asm_init_sections): New function.
417         (v850_select_section): Return the section rather than emitting
418         assembly code.
419         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
420         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
421         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
422         (TARGET_ASM_INIT_SECTIONS): Define.
423         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
424         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
425         (zbss_section): Delete.
426
427         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
428
429         * config/vx-common.h (vxworks_exception_section): Delete.
430         (TARGET_ASM_EXCEPTION_SECTION): Delete.
431
432         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
433         section rather than emitting assembly code.
434         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
435         switch_to_section.
436
437         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
438         * coretypes.h (section): New union and typedef.
439         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
440         from call to current_function_section.
441         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
442         (dbxout_symbol_location): Use switch_to_section.
443         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
444         most of the code into...
445         (default_eh_frame_section): ...here.  Return a section.
446         (collect2_eh_frame_section): Delete, moving most of the code into..
447         (switch_to_eh_frame_section): ...this new function.
448         (debug_info_section, debug_abbrev_section, debug_aranges_section)
449         (debug_macinfo_section, debug_line_section, debug_loc_section)
450         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
451         variables.
452         (output_call_frame_info): Call switch_to_eh_frame_section instead of
453         eh_frame_section.  Use switch_to_section and get_section.
454         (dwarf2out_begin_prologue): Use switch_to_section.
455         (AT_string_form): Check the flags in debug_str_section instead of
456         DEBUG_STR_SECTION_FLAGS.
457         (output_comp_unit): Use switch_to_section, get_section, and
458         debug_info_section.
459         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
460         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
461         from call to current_function_section.
462         (dwarf2out_var_location): Use unlikely_text_section_p.
463         (dwarf2out_source_line): Use switch_to_section.  Remove argument
464         from call to current_function_section.
465         (dwarf2out_start_source_file, dwarf2out_end_source_file)
466         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
467         debug_macinfo_section.
468         (dwarf2out_init): Initialize the new section variables.  Use them
469         instead of calls to named_section_flags.  Use switch_to_section.
470         (output_indirect_string): Use switch_to_section and debug_str_section.
471         (dwarf2out_finish): Use switch_to_section and the new section
472         variables.
473         * except.c (default_exception_section): Return the section instead
474         of emitting assembly code.
475         (output_function_exception_table): Use the global exception_section
476         variable instead of the target hook.  Use switch_to_section.  Remove
477         argument from call to current_function_section.
478         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
479         (shorten_branches): Use pointer comparisons to detect whether the
480         text section is the same as readonly_data_section.
481         (profile_function): Use switch_to_section.  Remove argument from
482         call to current_function_section.
483         (final_scan_insn): Likewise.  Update use of last_text_section.
484         * gengtype.c (open_base_files): Add an include of output.h.
485         * output.h (text_section, data_section, readonly_data_section)
486         (ctors_section, dtors_section, bss_section, init_section)
487         (fini_section, sdata_section): Turn into section pointers.
488         (in_text_section, in_unlikely_text_section, exports_section)
489         (drectve_section, named_section, mergeable_string_section)
490         (last_text_section_name): Delete.
491         (default_exception_section, default_eh_frame_section): Return sections.
492         (SECTION_DECLARED, SECTION_NAMED): New macros.
493         (SECTION_MACH_DEP): Bump value.
494         (section_common, named_section, unnamed_section): New structures.
495         (unnamed_section_callback): New typedef.
496         (section): New union.
497         (sbss_section, exception_section, eh_frame_section): New variables.
498         (in_section, last_text_section): Turn into section pointers.
499         (get_unnamed_section, get_section, get_named_section): New functions.
500         (mergeable_constant_section, function_section): Return a section.
501         (unlikely_text_section): Likewise.
502         (current_function_section): Likewise.  Remove the decl argument.
503         (unlikely_text_section_p, switch_to_section): New functions.
504         (output_section_asm_op): New function.
505         (set_named_section_flags, named_section_flags, named_section_real)
506         (named_section_first_declaration): Delete.
507         (default_select_section, default_elf_select_section): Return a section.
508         (default_elf_select_section_1, default_function_rodata_section)
509         (default_no_function_rodata_section, default_select_rtx_section)
510         (default_elf_select_rtx_section): Likewise.
511         * rtl.h (in_data_section): Delete.
512         * sdbout.c (sdbout_one_type): Use switch_to_section.
513         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
514         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
515         (TARGET_ASM_EH_FRAME_SECTION): Poison.
516         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
517         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
518         (TARGET_ASM_OUT): Update after above changes.
519         * target.h (init_sections): New hook.
520         (exception_section, eh_frame_section): Delete.
521         (select_section, select_rtx_section, function_rodata_section): Return
522         a section rather than emitting assembly code.
523         * varasm.c (text_section, data_section, readonly_data_section)
524         (ctors_section, dtors_section, bss_section, init_section)
525         (fini_section): Turn into section pointers.
526         (sdata_section, sbss_section, exception_section): New variables.
527         (eh_frame_section): New variable.
528         (in_section): Make global and turn into a section pointer.
529         (last_text_section): Turn into a section pointer.
530         (unnamed_sections): New variable.
531         (in_named_name, last_text_section_name): Delete.
532         (EXTRA_SECTION_FUNCTIONS): Delete.
533         (in_named_entry): Delete.
534         (section_htab): New variable, replacing...
535         (in_named_htab): ...this deleted variable.
536         (section_entry_eq, section_entry_hash): New functions, based on...
537         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
538         (get_unnamed_section, get_section): New functions.
539         (unlikely_text_section): Return a section instead of emitting
540         assembly code.
541         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
542         (get_named_section_flags, named_section_first_declaration): Delete.
543         (unlikely_text_section_p): New function.
544         (named_section_real, named_section): Delete.
545         (get_named_section): New function.
546         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
547         (function_section): Return a section rather than emitting
548         assembly code.
549         (current_function_section): Likewise.  Remove argument.  Use
550         last_text_section if nonnull, otherwise use function_section.
551         (default_function_rodata_section): Return a section rather than
552         emitting assembly code.  Use get_section.
553         (default_no_function_rodata_section): Return a section rather than
554         emitting assembly code.
555         (variable_section): Use switch_to_section and get_named_section.
556         (mergeable_string_section): Return a section rather than emitting
557         assembly code.  Use get_section.  Make static.  Don't take special
558         countermeasures for empty strings.
559         (mergeable_constant_section): Return a section rather than emitting
560         assembly code.  Use get_section.
561         (default_named_section_asm_out_destructor): Use switch_to_section
562         and get_section.
563         (default_dtor_section_asm_out_destructor): Use switch_to_section.
564         (default_named_section_asm_out_constructor): Use switch_to_section
565         and get_section.
566         (default_ctor_section_asm_out_constructor): Use switch_to_section.
567         (assemble_start_function): Likewise.  Set last_text_section to
568         NULL rather than no_section.  Change the type of save_section.
569         (assemble_zeros, assemble_variable): Use the section flags to detect
570         whether or not a section is text.
571         (assemble_static_space): Use switch_to_section.
572         (assemble_trampoline_template): Likewise.
573         (output_constant_def_contents): Use switch_to_section and
574         get_named_section.
575         (output_constant_pool_1): Use switch_to_section.  Use the section
576         flags to see whether sections contain mergeable data.
577         (init_varasm_once): Initialize section_htab instead of in_named_htab.
578         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
579         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
580         whether a section has already been declared.
581         (default_select_section, default_elf_select_section): Return a
582         section rather than emitting assembly code.
583         (default_elf_select_section_1): Likewise.  Use bss_section for
584         SECCAT_BSS if nonnull.  Use get_named_section.
585         (default_select_rtx_section): Return a section rather than
586         emitting assembly code.
587         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
588         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
589         (output_section_asm_op, switch_to_section): New functions.
590         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
591         get_named_section.
592
593         * doc/tm.texi: Expand the introduction to the sections documentation.
594         (TRAMPOLINE_SECTION): Document new interface.
595         (SDATA_SECTION_ASM_OP): Document new macro.
596         (READONLY_DATA_SECTION): Delete.
597         (SDATA_SECTION_ASM_OP): Document new macro.
598         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
599         (TARGET_ASM_INIT_SECTIONS): Document new hook.
600         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
601         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
602         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
603
604 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
605
606         * gcc.c (init_gcc_specs): Match braces inside conditionally
607         compiled strings.
608
609 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
610
611         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
612
613 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
614
615         PR C++/24138
616         * tree.c (integer_all_onesp): Always return true if all bits on.
617
618         * testsuite/g++.dg/init/array0.C: New.
619
620 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
621
622         * doc/md.texi: Adapt to implementation.
623
624 2005-12-06  Andreas Schwab  <schwab@suse.de>
625
626         * opts.c (decode_options): Fix typo in message.
627
628 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
629
630         PR other/13873
631         * longlong.h: Merge PPC tests from upstream.
632
633 2005-12-06  Richard Guenther  <rguenther@suse.de>
634
635         * fold-const.c (fold_convert): Do not build and fold
636         CONVERT_EXPR, but always use NOP_EXPR.
637
638 2005-12-06  Jan Beulich  <jbeulich@novell.com>
639
640         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
641         __builtin_ia32_paddq and __builtin_ia32_subq.
642         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
643         __builtin_ia32_pshufw.
644         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
645
646 2005-12-05  James E Wilson  <wilson@specifix.com>
647
648         PR target/24934
649         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
650         is set.
651
652 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
653         
654         * print-tree.c (print_node): Ditto.
655         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
656         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
657         before accessing DECL_ARTIFICIAL. 
658         Handle new tag tree codes.
659         * tree-flow-inline.h (clear_call_clobbered): Update for tag
660         changes.
661         (unmodifiable_var_p): Ditto.
662         * tree-flow.h (mem_tag_kind): Remove.
663         (struct var_ann_d): Remove mem_tag_kind member.
664         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
665         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
666         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
667         (group_aliases): Ditto.
668         (setup_pointers_and_addressables): Ditto.
669         (is_escape_site): Ditto.                                          
670         (may_alias_p): Ditto.
671         (create_tag_raw): New function.
672         (create_memory_tag): Use it.
673         (dump_alias_info): Update for tags.
674         (may_be_aliased): Ditto.
675         (add_type_alias): Ditto.
676         (new_type_alias): Ditto.
677         (create_sft): Ditto.
678         (create_structure_vars): Ditto.
679         * tree-ssa-ccp.c (get_default_value): Ditto.
680         * tree-ssa-operands.c (get_expr_operands): Ditto.
681         (add_stmt_operand): Ditto.
682         (add_call_clobber_ops): Remove duplicated condition.
683         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
684         tags.
685         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
686         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
687         * tree.c (init_ttree): Update structures for new tree codes.
688         (tree_code_size): Update sizes for new tree codes.
689         (make_node_stat): Don't try to set common things on minimal
690         structures.
691         (tree_node_structure): Update for tags.
692         (is_global_var): Ditto.
693         * tree.def: Add new tree codes.
694         * tree.h (MTAG_P): New macro.
695         (TREE_MEMORY_TAG_CHECK): Ditto.
696         (SSA_VAR_P): Update for tags.
697         (struct tree_memory_tag): New structure.
698         (MTAG_GLOBAL): New macro.
699         (union tree_node): Add memory tag member.
700         * treestruct.def (TS_MEMORY_TAG): New.
701         
702 2005-12-05  Dale Johannesen  <dalej@apple.com>
703
704         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
705         what was approved (PR 24323).
706
707 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
708
709         * doc/c-tree.texi (Function Bodies): Remove description of
710         RETURN_INIT.
711
712 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
713
714         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
715         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
716         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
717         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
718         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
719         __divxc3): Document.
720
721 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
722
723         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
724         previous behaviour.
725         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
726         hook_bool_void_false.
727         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
728         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
729
730         * config/darwin.c (machopic_select_section): It's not defined
731         as weak if it's only marked as weak_import.
732         
733         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
734         Prototype.
735
736         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
737         A hidden weak object does bind locally.  Strong linkonce data
738         counts like any other strong symbol for binding.
739         (weak_finish_1): Don't specially handle weakrefs, they no longer
740         arrive here.
741         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
742         * c-common.c (handle_alias_attribute): Allow static aliases
743         of variables.
744         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
745         * gthr-dce.h: Make weakrefs static.
746         * gthr-tpf.h: Likewise.
747         * gthr-solaris.h: Likewise.
748         * gthr-posix.h: Likewise.
749         * gthr-posix95.h: Likewise.
750         * config/darwin.c (darwin_encode_section_info): static weakref
751         variables are not necessarily defined in this translation unit.
752         * doc/extend.texi (Function Attributes): Mention that an alias
753         attribute creates a definition for the thing it's attached to.
754         Change the documentation for weakref to say that the thing
755         it's attached to must be static.
756
757         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
758         we don't go into an infinite loop.
759
760 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
761
762         * config/rs6000/predicates.md (logical_const_operand): Split
763         out of logical_operand.
764         (logical_operand): Use it.
765         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
766         logical_const_operand.
767
768 2005-12-05  Jan Beulich  <jbeulich@novell.com>
769
770         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
771         and IX86_BUILTIN_CMPNESS.
772         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
773         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
774         * config/i386/i386.md (movti_internal): Correct type attribute.
775         Simplify mode attribute.
776         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
777         Correct type attribute.
778         (absxf2): Correct operator.
779         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
780         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
781         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
782         mode attribute.
783         (sse2_vmsqrtv2df2): Correct mode attribute.
784
785 2005-12-05  Jan Beulich  <jbeulich@novell.com>
786
787         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
788         16 bits. Provide insn pattern for this case.
789
790 2005-12-05  Jan Beulich  <jbeulich@novell.com>
791
792         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
793         result.
794         (__popcountDI2): Likewise.
795
796 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
797
798         PR target/25166
799         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
800         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
801         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
802         functions.
803
804 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
805
806         * c-typeck.c (null_pointer_constant_p): New function.
807         (build_conditional_expr, build_c_cast, convert_for_assignment,
808         build_binary_op): Use it.
809
810 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
811
812         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
813         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
814         CONVERT_EXPR.
815         (check_function_arguments_recurse): Allow both NOP_EXPR and
816         CONVERT_EXPR but check conversions preserve precision.
817         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
818         but check conversions preserve precision.
819         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
820         default case.
821
822 2005-12-04  Roger Sayle  <roger@eyesopen.com>
823
824         PR c/7776
825         * common.opt (Wstring-literal-comparison): New command line option.
826         * c-opts.c (c_common_handle_option): Set it with -Wall.
827         * c-typeck.c (parser_build_binary_op): Issue warning if either
828         operand of a comparison operator is a string literal, except for
829         testing equality or inequality against NULL.
830
831         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
832
833 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
834
835         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
836         of building a NOP_EXPR.
837         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
838         NOP_EXPR.
839         * c-convert.c (convert): Use fold_convert instead of building
840         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
841         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
842         #if 0 code.
843         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
844         NOP_EXPR the same as CONVERT_EXPR.
845         * c-typeck.c (build_function_call): Use fold_convert instead of
846         building a NOP_EXPR directly.
847         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
848
849 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
850
851         PR rtl-optimization/25197
852         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
853         have a reg.
854
855 2005-12-02  Stuart Hastings  <stuart@apple.com>
856
857         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
858         warning.
859
860 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
861
862         * c-typeck.c (default_function_array_conversion,
863         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
864         (build_conditional_expr): Apply integer_zerop to orig_op1 and
865         orig_op2.  Don't check them for NOP_EXPR.
866         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
867         around integer zero.
868
869 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
870
871         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
872         toc_save_offset, toc_size, lr_size.
873         (rs6000_stack_info): Use memset rather than bss struct copy to init.
874         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
875         Adjust for removal of unused rs6000_stack_t fields.
876         (debug_stack_info): Adjust.
877         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
878         first, and don't bother checking for set/inc of lr on sibcalls.
879         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
880
881 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
882
883         PR target/25199
884         * config/i386/i386.md (movqi_1): Only force imovx for alternative
885         5 if operand 1 is not aligned.  Undo previous constraint change.
886         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
887
888 2005-12-02  Richard Guenther  <rguenther@suse.de>
889
890         * tree.h (build): Remove prototype.
891         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
892         * tree.c (build): Remove.
893         (build0_stat): Update comment.
894
895 2005-12-02  Richard Guenther  <rguenther@suse.de>
896
897         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
898         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
899         Likewise.
900         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
901         maybe_fold_offset_to_component_ref): Likewise.
902         * tree-ssa-dom.c (thread_across_edge,
903         simplify_rhs_and_lookup_avail_expr,
904         find_equivalent_equality_comparison, record_equivalences_from_stmt):
905         Likewise.
906         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
907         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
908         lower_try_finally_switch): Likewise.
909         * tree-if-conv.c (add_to_dst_predicate_list,
910         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
911         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
912         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
913         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
914         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
915         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
916         gimplify_init_ctor_eval, gimplify_init_constructor,
917         gimplify_variable_sized_compare, gimplify_boolean_expr,
918         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
919         gimplify_expr, gimplify_body, gimplify_function_tree,
920         force_gimple_operand): Likewise.
921         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
922         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
923         mx_register_decls): Likewise.
924         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
925         get_frame_field, finalize_nesting_tree_1): Likewise.
926         * tree-inline.c (setup_one_parameter): Likewise.
927         * tree-vect-transform.c (vectorizable_condition): Likewise.
928         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
929         Likewise.
930         * tree-profile.c (tree_gen_edge_profiler): Likewise.
931         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
932         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
933         * tree-chrec.h (build_polynomial_chrec): Likewise.
934
935 2005-12-02  Richard Guenther  <rguenther@suse.de>
936
937         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
938         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
939         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
940         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
941         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
942         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
943         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
944         Likewise.
945         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
946         sh_adjust_unroll_max): Likewise.
947         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
948         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
949         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
950         Likewise.
951         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
952         Likewise.
953         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
954         Likewise.
955
956 2005-12-02  Richard Guenther  <rguenther@suse.de>
957
958         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
959         simplify_cond_using_ranges): Use buildN instead of build.
960         * tree-tailcall.c (adjust_accumulator_values,
961         adjust_return_value): Likewise.
962         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
963         generate_element_copy, generate_element_zero,
964         generate_one_element_init): Likewise.
965         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
966         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
967         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
968         perfect_nestify): Likewise.
969
970 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
971
972         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
973
974 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
975
976         * ggc.h (GGC_RESIZEVEC): New.
977
978 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
979
980         * gcc.c (execute): Improve readability.
981
982 2005-12-02  Richard Guenther  <rguenther@suse.de>
983
984         * tree-cfg.c (mark_used_vars): New function.
985         (dump_function_to_file): Dump only used VAR_DECLs.
986
987 2005-12-02  Richard Guenther  <rguenther@suse.de>
988
989         * convert.c (convert_to_integer): Fix compare for nonpositive
990         constant to use tree_int_cst_sgn <= 0.
991
992 2005-12-02  Richard Guenther  <rguenther@suse.de>
993
994         * convert.c (convert_to_integer): Use fold_convert instead
995         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
996         instead of comparing against 0.  Use build_int_cst instead
997         of converting integer_zero_node.
998
999 2005-12-02  Richard Guenther  <rguenther@suse.de>
1000
1001         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1002         and RROTATE_EXPR.
1003  
1004 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1005
1006         PR target/21017
1007         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1008         rotates.
1009
1010 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1011
1012         PR middle-end/25176
1013         * function.c (expand_function_end): Emit blockage for unwinder
1014         after return label.
1015
1016 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1017
1018         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1019         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1020         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1021         integer constant comparisons.
1022
1023 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1024             Janis Johnson  <janis187@us.ibm.com>
1025             David Edelsohn  <dje@watson.ibm.com>
1026             Ben Elliston  <bje@au.ibm.com>
1027
1028         * dfp.h, dfp.c: New files.
1029         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1030         (DECNUM_H): Likewise.
1031         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1032         (INCLUDES): Append $(DECNUMINC).
1033         (OBJS-common): Add dfp.o.
1034         (dfp.o): New rule.
1035         * real.h (EXP_BITS): Pinch one bit to ..
1036         (struct real_value): Add decimal field.
1037         (real_format): Change table size, update documentation.
1038         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1039         (real_from_string3): Declare.
1040         (decimal_single_format): Declare.
1041         (decimal_double_format): Declare.
1042         (decimal_quad_format): Declare.
1043         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1044         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1045         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1046         * real.c: Include dfp.h.
1047         (normalize): Early return for decimal floats.
1048         (do_add): Zero decimal field.
1049         (do_compare): Call do_decimal_compare for decimal floats.
1050         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1051         (real_arithmetic): Call decimal_real_arithmetic for decimal
1052         floating point operands.
1053         (real_identical): If a and b are of differing radix, return false.
1054         (real_to_integer): Call decimal_real_to_integer if the value is a
1055         decimal float.
1056         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1057         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1058         (real_to_hexadecimal): Place "N/A" in the return string for
1059         decimal float.
1060         (real_from_string3): New variant, given a mode.
1061         (real_maxval): Use decimal_real_maxval for decimal floats.
1062         (round_for_format): Use decimal_round_for_format for decimals.
1063         (real_convert): Use decimal_real_convert where appropriate.
1064         (significand_size): Handle base 10.
1065         (encode_decimal_single, decode_decimal_single,
1066         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1067         decode_decimal_quad): New functions.
1068         (decimal_single_format): New.
1069         (decimal_double_format): New.
1070         (decimal_quad_format): New.
1071         * machmode.def: Add SD, DD and TD decimal floating point modes.
1072         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1073         Include MODE_DECIMAL_FLOAT.
1074         (DECIMAL_FLOAT_MODE_P): New.
1075         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1076         * genmodes.c (struct mode_data): Add counter field.
1077         (struct mode_data): Update comment for format.
1078         (blank_mode): Initialise counter field.
1079         (new_mode): Increment counter field for each mode defined.
1080         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1081         using a format.
1082         (make_complex_modes): Handle modes containing `D'.
1083         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1084         (make_decimal_float_mode): New.
1085         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1086         (cmp_modes): Compare counter field if other characteristics
1087         similar.
1088         (emit_real_format_for_mode): Support formats for decimal floats.
1089         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1090         Document MODE_DECIMAL_FLOAT.
1091
1092 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1093
1094         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1095         Delete dead code.
1096
1097 2005-12-01  Richard Henderson  <rth@redhat.com>
1098
1099         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1100
1101 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1102
1103         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1104
1105         * config/pa/pa.c (pa_init_builtins): If we detect
1106         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1107         putc_unlocked.
1108
1109 2005-12-01  Richard Guenther  <rguenther@suse.de>
1110
1111         * fold-const.c (fold_binary): Use fold_build2, not
1112         fold (build (...)).
1113
1114 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1115
1116         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1117
1118         * vec.h (VEC_block_remove): New.
1119
1120 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1121
1122         PR c/13384
1123         * c-common.c (lvalue_error): Fix wording.
1124
1125 2005-12-01  Richard Guenther  <rguenther@suse.de>
1126
1127         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1128         thinko in last patch.
1129
1130 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1131
1132         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1133         than -flat_namespace.
1134
1135 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1136
1137         * mklibgcc.in: Parameterise the script to build soft float
1138         functions by iterating over each type, rather than cloning the
1139         code for each type.
1140
1141 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1142
1143         PR middle-end/25158
1144         * builtins.c (fold_builtin_fputs): Defer check for missing
1145         replacement functions.
1146
1147 2005-11-30  Kean Johnston  <jkj@sco.com>
1148
1149         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1150         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1151
1152 2005-11-30  Richard Guenther  <rguenther@suse.de>
1153
1154         PR tree-optimization/22501
1155         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1156         function split out from ...
1157         (forward_propagate_addr_expr): ... here.  Use it to propagate
1158         ADDR_EXPRs to all uses.
1159
1160 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1161
1162         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1163         * builtins.c (expand_builtin_mathfn): Use them.
1164         (expand_builtin_mathfn_2): Likewise.
1165         (expand_builtin_mathfn_3): Likewise.
1166         (expand_builtin_int_roundingfn): Likewise.
1167         (expand_builtin): Likewise.
1168         (integer_valued_real_p): Likewise.
1169         (fold_builtin_int_roundingfn): Likewise.
1170         (fold_builtin_bitop): Likewise.
1171         (fold_builtin_logarithm): Likewise.
1172         (fold_builtin_1): Likewise.
1173         * convert.c (convert_to_integer): Likewise.
1174         * fold-const.c (negate_mathfn_p): Likewise.
1175         (tree_expr_nonnegative_p): Likewise.
1176
1177 2005-11-30  Dale Johannesen  <dalej@apple.com>
1178             Andrew Pinski  <pinskia@physics.uc.edu>
1179
1180         * combine.c (find_split_point):  Sign extend bitmask
1181         when changing bitfield assignment to IOR of AND.
1182
1183 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1184
1185         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1186         clobber to scratch reg.
1187         (*decrement_and_branch_until_zero_no_clobber): Remove.
1188         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1189         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1190         * config/ms1/ms1.opt (mmul): Remove.
1191         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1192         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1193
1194 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1195             Bernd Schmidt  <bernd.schmidt@analog.com>
1196
1197         * pa/predicates.md (symbolic_operand): Add comment.
1198         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1199         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1200         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1201         (pa_secondary_reload_class): Delete.
1202         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1203         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1204         copy of symbolic operand.
1205         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1206
1207 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1208
1209         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1210         jump.
1211
1212 2005-11-30  Jeff Law  <law@redhat.com>
1213
1214         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1215         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1216
1217 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1218
1219         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1220         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1221         (ia64_expand_move): Adjust caller.
1222
1223         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1224         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1225         negate VAL.
1226
1227 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1228
1229         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1230         Always produce an output if we can remove NEGs or canonicalize
1231         (minus (minus ...)) expressions.  Provide a fast path for the
1232         two-operand case.
1233         (simplify_gen_binary): Do not call simplify_plus_minus.
1234         (simplify_binary_operation_1): Reassociate at the end of the
1235         function.
1236
1237 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1238
1239         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1240         moves and unpack to speed up.
1241
1242 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1243
1244         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1245         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1246         (gen_v9_scc): Update callers.
1247         * config/sparc/sparc.md: Likewise.
1248         * config/sparc/sparc-protos.h: Update extern declaration.
1249
1250         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1251
1252 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1253
1254         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1255         the if.
1256
1257 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1258
1259         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1260         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1261         (negate_expr): Here.
1262
1263 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1264
1265         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1266         Fix typo in comment.
1267
1268 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1269
1270         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1271         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1272
1273 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1274
1275         PR middle-end/20109
1276         PR middle-end/25120
1277         * builtins.c (init_target_chars): New.
1278         (expand_builtin_printf, expand_builtin_fprintf,
1279         expand_builtin_sprintf, fold_builtin_sprintf,
1280         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1281         fold_builtin_snprintf_chk, fold_builtin_printf,
1282         fold_builtin_fprintf): Check for matching format strings using
1283         the target charset.
1284
1285 2005-11-29  Paul Brook  <paul@codesourcery.com>
1286
1287         * config.gcc: Do not use fixproto on m68k-elf.
1288
1289 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1290
1291         * expmed.c (div_cost): Replace with...
1292         (sdiv_cost, udiv_cost): New.
1293         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1294         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1295         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1296         (expand_divmod): Replace use of div_cost with either sdiv_cost
1297         or udiv_cost depending upon the signedness of the operation.
1298
1299 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1300
1301         PR libfortran/24991
1302         * config/darwin.c (machopic_indirection_name,
1303         machopic_output_indirection): Follow transparent alias chain.
1304
1305 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1306
1307         * varasm.c (ultimate_transparent_alias_target): Add comment.
1308
1309 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1310
1311         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1312         SET_SRC instead of XEXP where appropriate.
1313
1314 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1315
1316         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1317         __builtin_expect.
1318
1319 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1320
1321         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1322         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1323         bit at a time.
1324
1325 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1326
1327         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1328         secondary_input_reload_class, made static.  Adapt to new
1329         infrastructure.
1330         (secondary_output_reload_class): Delete.
1331         (TARGET_SECONDARY_RELOAD): New macro.
1332         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1333         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1334
1335 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1336
1337         PR c++/21166
1338         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1339         when its natural alignment is > BITS_PER_UNIT.
1340         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1341         * c-common.c (handle_packed_attribute): Ignore packing on a field
1342         whose type is naturally char aligned.
1343
1344 2005-11-28  Richard Guenther  <rguenther@suse.de>
1345
1346         * c-common.c (strict_aliasing_warning): Handle all
1347         component-ref like accesses.
1348
1349 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1350             Uros Bizjak  <uros@kss-loka.si>
1351
1352         PR middle-end/20219
1353         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1354         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1355         when flag_unsafe_math_optimizations is set and
1356         we don't care about NaNs or Infinities.
1357
1358         Move x/expN(y) and x/pow(y,z) transformation into common
1359         flag_unsafe_math_optimizations section.
1360
1361 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1362
1363         * gcc.c (main): Change type of argv to "char **".
1364
1365 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1366
1367         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1368         small data sections.
1369         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1370         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1371         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1372         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1373         output locals to sbss if !rs6000_elf_in_small_data_p.
1374         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1375
1376 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1377
1378         PR target/24997
1379         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1380         generated by reload.
1381         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1382         indexed_or_indirect_address.
1383         (indexed_or_indirect_address): Don't test for base reg.  Call
1384         address_operand last.  Make it a special predicate.
1385
1386 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1387
1388         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1389
1390 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1391
1392         PR middle-end/24575
1393         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1394         is undefined.
1395         (negate_expr): Likewise.
1396
1397 2005-11-27  Andreas Schwab  <schwab@suse.de>
1398
1399         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1400         redundant parens.
1401
1402 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1403
1404         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1405         has EH predecessor edges.
1406
1407 2005-11-26  Eric Christopher  <echristo@apple.com>
1408
1409         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1410         register stalls by zero extending to the full register.
1411
1412 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1413
1414         * config/floatunsisf.c, config/floatunsidf.c,
1415         config/floatunsixf.c, config/floatunsitf.c: New files.
1416         * config/ia64/t-hpux: Add floatunsitf.c.
1417         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1418         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1419
1420 2005-11-26  Richard Henderson  <rth@redhat.com>
1421
1422         * c-lex.c (pragma_lex): Rename from c_lex.
1423         * c-pch.c: Update for pragma_lex rename.
1424         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1425         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1426         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1427         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1428         * doc/tm.texi: Likewise.
1429
1430 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1431
1432         PR middle-end/23669
1433         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1434         when overflow is undefined.
1435
1436 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1437
1438         * doc/md.texi (Insn Canonicalizations): Refer to the
1439         function commutative_operand_precedence for further rules.
1440
1441 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1442
1443         PR middle-end/21309
1444         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1445         is less than zero.  Limit mult_cost to a reasonable upper bound for
1446         the synthetic multiplication sequence.
1447
1448 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1449
1450         PR middle-end/25022
1451         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1452         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1453         Lookup the explicit replacement functions for any unlocked
1454         stdio builtin transformations.
1455
1456 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1457
1458         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1459         earlyclobber.
1460         * targhooks.c (default_secondary_reload): Don't require operand 2
1461         for an input reload to be earlyclobber.
1462
1463 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1464
1465         * fold-const.c (negate_mathfn_p): Fix comment and add support
1466         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1467         BUILT_IN_ATANH.
1468
1469 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1470
1471         PR middle-end/24998
1472         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1473         _Q_ulltoq for unsigned conversions from SImode and DImode to
1474         TFmode.
1475
1476 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1477
1478         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1479         (__floatundidf, __floatundisf): Likewise.
1480
1481 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1482
1483         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1484         (rs6000_override_options): Remove initialization of
1485         rs6000_sr_alias_set.
1486         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1487         (rs6000_emit_stack_tie): Same.
1488         (emit_frame_save): Same.
1489         (gen_frame_mem_offset): Same.
1490         (rs6000_emit_prologue): Same.
1491         (rs6000_emit_epilogue): Same.
1492
1493 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1494
1495         PR middle-end/24989
1496         * fold-const.c (fold_build): Convert bool_var != 1 and
1497         bool_var == 0 to !bool_var.
1498
1499 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1500
1501         PR middle-end/24990
1502         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1503         for C being INTEGER_CST.  Likewise for !=.
1504
1505 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1506
1507         PR middle-end/24998
1508         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1509         unsigned conversions from SImode to TFmode.
1510
1511 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1512
1513         * expr.c (expand_expr_real_1): Fix error in last change.
1514
1515 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1516
1517         * caller-save.c: (this_insn_sets): Move into:
1518         (save_call_clobbered_regs).
1519         (mark_set_regs): Get this_insn_sets from data.
1520
1521         (save_call_clobbered_regs): Take sets of the return value by
1522         sibcalls into account.
1523
1524 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1525         PR target/21623:
1526
1527         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1528         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1529         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1530         (memory_move_secondary_cost, init_reg_autoinc): Remove
1531         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1532         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1533         secondary_reload_class call.
1534         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1535         callers.
1536         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1537         (push_secondary_reload): Use secondary_reload target hook.
1538         (secondary_reload_class, scratch_reload_class): New functions.
1539         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1540         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1541         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1542         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1543         (secondary_reload_class, scratch_reload_class): Declare.
1544         * reload1.c: Include target.h.
1545         (reload_adjust_reg_for_temp): New function.
1546         (reload_adjust_reg_for_icode): Likewise.
1547         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1548         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1549         call.
1550         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1551         for inheritance.  Support case when both secondary & tertiary reloads
1552         are for intermediate registers.
1553         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1554         with secondary_reload_class call.  Support case when both secondary
1555         & tertiary reloads are for intermediate registers.
1556         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1557         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1558         * target.h (secondary_reload_info): New struct / typedef.
1559         (struct gcc_target): New member secondary_reload.
1560         * targhooks.c Include reload.h, optabs.h and recog.h.
1561         (default_secondary_reload): New function.
1562         * targhooks.h (default_secondary_reload): Declare.
1563         * doc/tm.texi: Document secondary_reload target hook.  Update
1564         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1565         * doc/md.texi: Likewise.
1566
1567         * sh-protos.h (sh_secondary_reload): Declare.
1568         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1569         (sh_secondary_reload): New function.
1570         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1571         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1572         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1573         (HAVE_SECONDARY_RELOADS): Define.
1574         * sh.md (reload_indf): Rename to:
1575         (reload_indf__frn).
1576         (reload_outdf): Rename to:
1577         (reload_outdf__RnFRm).
1578         (reload_insf): Rename to:
1579         (reload_insf__frn).
1580         (reload_insi): Rename to:
1581         (reload_insi__i_fpul).
1582
1583 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1584
1585         * configure.ac: Require at least texinfo 4.4.
1586         * configure: Regenerate.
1587
1588         * doc/install.texi (Tools/packages necessary for building GCC):
1589         Update required version of texinfo to at least 4.4.
1590         (Installing GCC: Building): Update required version of texinfo
1591         to at least 4.4.
1592         (Installing GCC: Final installation): Update required version
1593         of texi2dvi to at least 4.4.
1594         (Host/target specific installation notes for GCC): Update required
1595         version of texinfo to at least 4.4.
1596
1597 2005-11-24  Richard Guenther  <rguenther@suse.de>
1598         Dirk Mueller <dmueller@suse.de>
1599
1600         PR c++/14024
1601         * c-common.h (strict_aliasing_warning): Declare.
1602         * c-common.c (strict_aliasing_warning): New function,
1603         split out from ...
1604         * c-typeck.c (build_c_cast): ... here.
1605
1606 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1607
1608         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1609         to order operands.
1610         (swap_commutative_operands_with_target): New.
1611
1612 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1613
1614         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1615         also when doing PRE, rather than only for global CPROP.
1616
1617 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1618
1619         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1620         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1621         formatting.
1622         (expand_twoval_unop): Likewise.
1623         (widen_clz): Likewise.
1624         (expand_parity): Likewise.
1625         (expand_unop): Likewise.
1626         (emit_cmp_and_jmp_insn_1): Likewise.
1627         (prepare_float_lib_cmp): Likewise.
1628
1629 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1630
1631         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1632         Remove unused `class' variable.
1633
1634 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1635
1636         PR c++/21667
1637         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1638         C/C++ diagnostic function warn_array_subscript_with_type_char.
1639         * c-common.h (warn_array_subscript_with_type_char): Declare.
1640         * c-common.c (warn_array_subscript_with_type_char): Define.
1641
1642 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1643
1644         PR c/21668
1645         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1646         compiling at the intersection of C and C++.
1647
1648 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1649
1650         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1651         List @file in the option summary.  Include the libiberty
1652         documentation for @file.
1653         * gcc.c (main): Call expandargv.
1654         * Makefile.in (gcc-vers.texi): Define srcdir.
1655
1656 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1657
1658         * passes.c (init_optimization_passes): Document
1659         sequencing of passes.
1660
1661 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1662
1663         * config/m68k/predicates.md (pcrel_address, extend_operator,
1664         post_inc_operand, pre_dec_operand): Remove redundant
1665         conditionals.
1666         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1667         instead of abort.
1668         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1669
1670 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1671
1672         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1673
1674 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1675
1676         Preparatory work for PR target/21623:
1677         * alpha.c (secondary_reload_class): Rename to:
1678         (alpha_secondary_reload_class).
1679         * alpha.h, alpha-protos.h: Likewise.
1680         * mn10300.c (secondary_reload_class): Rename to:
1681         (mn10300_secondary_reload_class).
1682         * mn10300.h, mn10300-protos.h: Likewise.
1683         * pa.c (secondary_reload_class): Rename to:
1684         (pa_secondary_reload_class).
1685         * pa.h, pa-protos.h: Likewise.
1686         * rs6000.c (secondary_reload_class): Rename to:
1687         rs6000_secondary_reload_class.
1688         * rs6000.h, rs6000-protos.h: Likewise.
1689
1690 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1691
1692         PR middle-end/22561
1693         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1694
1695 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1696
1697         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1698         a mode_class.
1699         (prepare_cmp_insn): Likewise.
1700
1701 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1702
1703         PR target/23435
1704         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1705         if both operands[0] and operands[1] are memory.
1706
1707 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1708
1709         PR middle-end/23606
1710         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1711         COMPARISON_CLASS_P and an integral types create create a new
1712         expression with the new type and fold that.
1713
1714 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1715
1716         PR target/24988
1717         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1718         to SUBTARGET_OS_CPP_BUILTINS.
1719
1720 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1721
1722         * arm.c (emit_set_insn): New function.
1723         (arm_split_constant): Call it.
1724         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1725         (arm_legitimize_address): Likewise.  Use plus_constant.
1726         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1727         (thumb_expand_prologue): Likewise.
1728         (arm_gen_load_multiple): Use VOIDmode in SET.
1729         (arm_gen_store_multiple): Likewise.
1730         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1731         (emit_multi_reg_push): Likewise.
1732         (emit_sfm): Use plus_constant.
1733
1734 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1735
1736         PR target/24954
1737         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1738         typo last change.
1739
1740 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1741
1742         PR middle-end/24950
1743         * expmed.c (store_bit_field): Don't attempt to insv a field
1744         larger than the reg.
1745
1746 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1747
1748         PR target/24954
1749         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1750         explicit sign extension, not a (char) cast.
1751
1752 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1753
1754         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1755         GET_MODE_CLASS (x) == MODE_FLOAT.
1756         * config/i386/i386.c: Likewise.
1757         * config/rs6000/xcoff.h: Likewise.
1758         * config/rs6000/linux64.h: Likewise.
1759         * config/rs6000/rs6000.c: Likewise.
1760         * config/rs6000/rs6000.h: Likewise.
1761         * config/rs6000/predicates.md: Likewise.
1762         * config/rs6000/sysv4.h: Likewise.
1763
1764 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1765
1766         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1767         flag_pic is set.
1768
1769         * config/alpha/freebsd.h, config/alpha/linux.h,
1770         config/arm/linux-elf.h, config/bfin/bfin.h,
1771         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1772         config/i386/beos-elf.h, config/i386/gnu.h,
1773         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1774         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1775         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1776         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1777         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1778         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1779         config/sparc/linux.h, config/sparc/linux64.h,
1780         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1781
1782         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1783         are both defined when either flag -fpic or -fPIC are used.
1784
1785 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1786
1787         * config/fp-bit.c (clzusi): New function.
1788         (si_to_float, usi_to_float): Use it to compute proper shift.
1789         (usi_to_float): Preserve guard bits when shifting right.
1790         * libgcc-std.ver (GCC_4.2.0): New version.
1791         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1792         __floatundisf): New functions.
1793         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1794         __floatundisf): Declare.
1795         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1796         _floatundixf, and _floatunditf.
1797         * optabs.c (expand_float): If target does not define a pattern for
1798         signed or unsigned conversion, use an unsigned libcall instead of
1799         a signed one.
1800         (init_optabs): Initialize ufloat_optab.
1801
1802 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1803
1804         * config/rs6000/rs6000.opt (mmulhw): New option.
1805         * doc/invoke.texi (-mmulhw): Document.
1806         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1807         for 405 and 440.
1808         * config/rs6000/rs6000.md: Add half-word multiply and
1809         multiply-accumulate instructions for 405 and 440.
1810
1811 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1812
1813         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1814         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1815         default now includes a linker group which makes the RTEMS one nest.
1816
1817 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1818
1819         * cse.c (fold_rtx): Typo fix.
1820         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1821
1822 2005-11-21  Richard Henderson  <rth@redhat.com>
1823
1824         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1825         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1826
1827         * c-tree.h (lookup_name): Move declaration ...
1828         * c-common.h (lookup_name): ... here.
1829         * config/darwin-c.c: Include c-common.h.
1830         * config/t-darwin: Update dependencies.
1831
1832 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1833
1834         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1835         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1836         * genopinit.c (gen_insn): Likewise.
1837         * reload.c (find_equiv_reg): Likewise.
1838         * loop.c (load_mems): Likewise.
1839         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1840         * cse.c (find_comparison_args, fold_rtx): Likewise.
1841         * dwarf2out.c (add_const_value_attribute): Likewise.
1842         * expr.c (convert_move): Likewise.
1843         * recog.c (general_operand, register_operand): Likewise.
1844         * reg-stack.c (replace_reg): Likewise.
1845         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1846         * c-common.c (handle_vector_size_attribute): Likewise.
1847         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1848         (simplify_binary_operation_1): Likewise.
1849         (simplify_const_binary_operation): Likewise.
1850         (simplify_relational_operation): Likewise.
1851         (simplify_const_relational_operation): Likewise.
1852         (simplify_immed_subreg): Likewise.
1853         * emit-rtl.c (gen_lowpart_common): Likewise.
1854         * expmed.c (expand_mult): Likewise.
1855         * stor-layout.c (layout_type): Likewise.
1856
1857 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1858
1859         PR target/24951
1860         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1861         cst2 only for SPE vectors.
1862
1863 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
1864
1865         PR target/24953
1866         * config/rs6000/predicates.md (vrsave_operation): Check
1867         UNSPEC_VOLATILE value.
1868
1869 2005-11-21  Jan Hubicka  <jh@suse.cz>
1870
1871         PR tree-optimization/24653
1872         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1873
1874 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1875
1876         * config/i386/predicates.md (ax_reg_operand): New predicate.
1877         (memory_displacement_only_operand): New predicate.
1878         * config/i386/i386.md ("modrm" attribute): Return 0 if one
1879         operand is AX register and the other operand is memory operand
1880         with displacement only.
1881
1882 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1883
1884         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1885         if we don't care about NaNs or Infinities.
1886
1887 2005-11-20  Ian Lance Taylor  <ian@airs.com>
1888
1889         PR rtl-optimization/24883
1890         * combine.c (combinable_i3pat): When checking whether the
1891         destination of i3 is used in i3, consider paradoxical subregs.
1892
1893 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
1894
1895         PR middle-end/20583
1896         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1897
1898 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
1899
1900         * combine.c (try_combine): Do not run subst on i1src and i2src in
1901         the case of generating a PARALLEL for a comparison.
1902
1903 2005-11-20  Richard Henderson  <rth@redhat.com>
1904
1905         PR 24931
1906         * tree-sra.c (struct sra_elt): Add all_no_warning.
1907         (struct sra_walk_fns) <use>: Add use_all argument.
1908         (sra_walk_expr): Pass it.
1909         (sra_walk_modify_expr): Likewise.
1910         (scalarize_ldst): Likewise.
1911         (scan_use): Update for new argument.
1912         (mark_no_warning): New.
1913         (scalarize_use): Use it.
1914
1915 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1916
1917         * expr.c (expand_expr_real): Use usmul_optab for widening
1918         signed * unsigned multiplies.
1919         * genopinit.c (optabs): Add usmul_widen_optab.
1920         * optabs.c (init_optabs): Likewise.
1921         * optabs.h (enum optab_index): Add OTI_usmul_widen.
1922         (usmul_widen_optab): Define.
1923         * config/bfin/bfin.md (usmulhisi3): New pattern.
1924
1925         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1926
1927 2005-11-20  Graham Stott <btinternet.com>
1928
1929         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1930
1931 2005-11-20  Andreas Schwab  <schwab@suse.de>
1932
1933         PR target/24757
1934         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1935         insn.
1936
1937 2005-11-19  Richard Henderson  <rth@redhat.com>
1938
1939         PR tree-opt/24665
1940         * tree-gimple.c (is_gimple_id): Export.
1941         * tree-gimple.h (is_gimple_id): Declare.
1942         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1943         (get_default_value): Use it.
1944         (maybe_fold_stmt_indirect): Likewise.
1945
1946 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
1947
1948         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1949         than VR1 or vice-versa.
1950
1951 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
1952
1953         PR middle-end/24912
1954         PR middle-end/24750
1955         * reload.c (find_reloads_address_1): Mention dependency on
1956         gen_reload.
1957         * reload1.c (gen_reload): For IN with an unary operation, try
1958         moving inner expression to OUT if trivial SET is not valid.
1959         Confirm that the result is valid.  Move common code block into...
1960         (emit_insn_if_valid_for_reload): New function.
1961
1962 2005-11-19  Richard Guenther  <rguenther@suse.de>
1963
1964         * fold-const.c (fold_indirect_ref_1): Make sure we fold
1965         ARRAY_REFs of constant strings.
1966
1967 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
1968
1969         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1970         fatal format string.
1971
1972 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
1973
1974         * combine.c (make_compound_operation): Swap operands of
1975         commutative operation if necessary before returning.
1976
1977 2005-11-19  Richard Guenther  <rguenther@suse.de>
1978
1979         PR middle-end/23294
1980         * fold-const.c (fold_plusminus_mult_expr): New function.
1981         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1982         cases, remove now unnecessary code.
1983
1984 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
1985
1986         * gensupport.c (old_preds): Rename to std_preds, add special field.
1987         (struct old_pred_table): Rename to struct std_pred_table, add special
1988         field.
1989         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1990         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1991         (init_predicate_table): Adjust, and set along the way whether a
1992         predicate is special.
1993
1994 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
1995
1996         * BASE-VER: Change to 4.2.0.
1997
1998 2005-11-18  James E Wilson  <wilson@specifix.com>
1999
2000         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2001         returning it.
2002
2003 2005-11-18  Mike Stump  <mrs@apple.com>
2004
2005         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2006         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2007         * c-decl.c (lookup_name_two) Remove.
2008         * c-tree.h (lookup_name_two): Remove.
2009         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2010         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2011         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2012         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2013
2014 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2015
2016         PR target/24914
2017         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2018         when not generating code to use that co-processor.
2019
2020 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2021
2022         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2023         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2024         these functions are now in tree-phinodes.c.
2025
2026 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2027
2028         * config/bfin/bfin.md (trap): New pattern.
2029
2030 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2031
2032         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2033         on types.
2034
2035         * expr.c (expand_expr_real): Don't call record_block_change unless
2036         ib_boundaries_block is non-null
2037
2038         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2039
2040         * fold-const.c (build_range_check): Use proper type for subtraction
2041         when merging lower bound.
2042
2043 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2044
2045         PR rtl-optimization/24497
2046         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2047         the copied insn.
2048
2049 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2050
2051         * tree-scalar-evolution.c (expression_expensive_p): New function.
2052         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2053
2054 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2055
2056         * config/bfin/crtlibid.s: New file.
2057
2058 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2059
2060         PR target/24348
2061         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2062         when not using sjlj exceptions.
2063         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2064         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2065         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2066         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2067         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2068         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2069         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2070         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2071         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2072         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2073         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2074         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2075         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2076         defines.
2077         * config/pa/hpux-unwind.h: New file.
2078
2079 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2080
2081         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2082         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2083         * varasm.c (do_assemble_alias): Adjust call.
2084         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2085         is defined.
2086         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2087
2088 2005-11-17  James E Wilson  <wilson@specifix.com>
2089
2090         * tree.def (FUNCTION_DECL): Correct typo in comment.
2091
2092 2005-11-17  Richard Henderson  <rth@redhat.com>
2093
2094         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2095         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2096         and DW_CFA_def_cfa_sf.
2097         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2098         (dbx_reg_number): Don't assert particular registers here.
2099         (based_loc_descr): ... do it here instead.  Fold in ...
2100         (eliminate_reg_to_offset): ... this function.
2101         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2102         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2103         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2104         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2105         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2106         (instantiate_virtual_regs): Likewise.
2107         * var-tracking.c (adjust_stack_reference): Likewise.
2108         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2109
2110 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2111
2112         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2113         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2114         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2115         crtlibid.o.
2116         ($(T)crtlibid.o): New rule.
2117
2118 2005-11-16  Richard Guenther  <rguenther@suse.de>
2119
2120         PR middle-end/24851
2121         * fold-const.c (extract_array_ref): Return byte offset
2122         in all cases.
2123         (fold_binary): Fold &x[a] CMP &x[b] to
2124         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2125         behavior.
2126
2127 2005-11-16  Richard Henderson  <rth@redhat.com>
2128
2129         PR middle-end/23497
2130         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2131         parts of an SSA_NAME.
2132
2133 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2134
2135         PR target/24861
2136         * arm.md (split for movsf with immediate): Restrict split to insns
2137         that set a general register.
2138
2139 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2140
2141         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2142         uw_update_context.
2143         * unwind-dw2.c (uw_advance_context): Likewise.
2144         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2145         _Unwind_SjLj_Unregister.
2146         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2147
2148 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2149
2150         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2151
2152 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2153
2154         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2155         langhook to get a DImode integer type.
2156
2157 2005-11-16  Richard Henderson  <rth@redhat.com>
2158             J"orn Rennecke <joern.rennecke@st.com>
2159             Ulrich Weigand  <uweigand@de.ibm.com>
2160
2161         PR rtl-opt/24160
2162         PR target/24621
2163         * reload1.c (reg_equiv_invariant): New.
2164         (reload): Allocate, initialize, and free it.
2165         (calculate_needs_all_insns): Check it when skipping equivalence
2166         setting insns.
2167         (alter_reg): Likewise.
2168         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2169         may_use_invariant argument; only use reg_equiv_invariant when true.
2170         (eliminate_regs): New.
2171         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2172         a context for which may_use_invariant may be true.
2173
2174 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2175
2176         * fold-const.c (const_binop): Don't constant fold the operation
2177         if the result has overflowed and flag_trapping_math.
2178         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2179
2180 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2181
2182         * config/arm/unwind-arm.c (abort): Add prototype here.
2183         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2184         (struct phase1_vrs): Add prev_sp.
2185         (unwind_phase2_forced): Save the original core registers instead of
2186         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2187         and set action flags accordingly.  Always set _US_END_OF_STACK when
2188         get_eit_entry fails.  Unwind before calling the stop function.
2189         (_Unwind_GetCFA): New function.
2190         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2191         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2192         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2193         just call unwind_phase2_forced.
2194         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2195         * config/arm/unwind-arm.h (abort): Remove prototype.
2196         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2197         prototypes.
2198         (_Unwind_GetCFA): New prototype.
2199         * config/arm/pr-support.c (abort): Add prototype here.
2200         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2201         forced unwinding.
2202         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2203         not schedule the prologue with non-call exceptions and EABI.
2204
2205 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2206
2207         * config/arm/unwind-arm.h: Reorder interface function declarations.
2208         (_URC_END_OF_STACK): New enumeration value.
2209         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2210         (struct _Unwind_Control_Block): Document reserved field use.
2211         (_Unwind_Stop_Fn): New typedef.
2212         (_Unwind_ForcedUnwind): Declare.
2213         (_Unwind_Resume_or_Rethrow): Declare.
2214         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2215         argument.  Adjust.
2216         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2217         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2218         (UCB_FORCED_STOP_ARG): New.
2219         (search_EIT_table): Update boundary condition checks.
2220         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2221         (unwind_phase2): Replace for with do..while.
2222         (unwind_phase2_forced): New.
2223         (__gnu_Unwind_RaiseException): Replace for with do..while.
2224         (__gnu_Unwind_ForcedUnwind): New.
2225         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2226         Use appropriate phase2 unwinder.
2227         (__gnu_Unwind_Resume_or_Rethrow): New.
2228         (__gnu_unwind_pr_common): Cope with forced unwinding.
2229
2230 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2231
2232         PR target/24772
2233         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2234
2235         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2236         roundsf2): Remove "s" from mnemonic.
2237
2238 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2239
2240         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2241         __PIC__ is defined.
2242         * config/bfin/crtn.s: Change epilogues to match.
2243         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2244         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2245         __PIC__ and __pic__.
2246
2247 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2248
2249         PR 24357
2250         * doc/invoke.texi: Distinguish between free and fixed form instead of
2251         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2252         languages.
2253         * gcc.c (default_compilers): Remove double entries, add entries for
2254         suffixes '.F90' and '.F95'.
2255
2256 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2257
2258         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2259         in the stack probing loop.
2260
2261 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2262
2263         * configure.ac: Use .machine power5 not power5x.
2264         * configure: Regenerate.
2265
2266 2005-11-15  Mike Stump  <mrs@apple.com>
2267
2268         * c-decl.c (lookup_name_two): Add.
2269         * c-tree.h (lookup_name_two): Likewise.
2270         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2271         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2272
2273 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2274
2275         PR rtl-optimization/23392
2276         * regrename.c (enum scan_actions) Add mark_access.
2277         (scan_actions_name): Ditto.
2278         (scan_rtx_reg): Handle mark_access.
2279         (scan_rtx_address): Do nothing for mark_access.
2280         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2281         and regs in REG_INC notes before closing chains for dead regs.
2282         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2283         opening chains for new writes.
2284
2285 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2286
2287         * c.opt (ffixed-line-length-none): New.
2288
2289 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2290
2291         * mklibgcc.in: Change contents of eh_dummy.c.
2292
2293 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2294
2295         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2296
2297 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2298
2299         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2300         of making syscalls.
2301         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2302
2303 2005-11-15  Jan Hubicka  <jh@suse.cz>
2304
2305         * invoke.texi (large-unit-insns): Document.
2306         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2307         * params.def (large-unit-insns): New param.
2308
2309 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2310
2311         PR target/24869
2312         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2313         special register for operand 3.  Reindent constraints to align
2314         them vertically.
2315
2316 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2317
2318         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2319         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2320         * configure.ac: Add test for FP rounding instructions.
2321         * configure: Regenerate.
2322         * config.in: Regenerate.
2323         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2324         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2325         features enabled.
2326         * config/rs6000/rs6000.opt (mfprnd): New.
2327         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2328         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2329         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2330         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2331         (TARGET_FPRND): New.
2332         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2333         UNSPEC_FRIZ): New.
2334         (btrunc<mode>2): New.
2335         (ceil<mode>2): New.
2336         (floor<mode>2): New.
2337         (round<mode>2): New.
2338
2339 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2340
2341         * gcc.c (version_compare_spec_function): Use fatal() rather than
2342         abort().
2343
2344         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2345         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2346         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2347         as empty.
2348         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2349         link in crt2.o.
2350
2351         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2352         on -mmacosx-version-min setting.
2353
2354 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2355
2356         PR 24840
2357         * tree-vrp.c (infer_value_range): Return false if STMT is a
2358         block terminator and its basic block has no successors.
2359
2360 2005-11-14  Mike Stump  <mrs@apple.com>
2361
2362         * config/i386/i386.c (override_options): -masm=intel isn't
2363         supported on darwin.
2364         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2365
2366 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2367
2368         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2369         vfork after including auto-host.h.
2370
2371 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2372
2373         PR rtl-optimization/22002
2374         * combine.c (distribute_notes): Detect cases where a reg dies
2375         two or more times in a bb, including on the insn we are combining,
2376         and place the death note on the correct range.
2377
2378 2005-11-14  Dale Johannesen  <dalej@apple.com>
2379
2380         * expmed.c (store_bit_field):  Add offset unconditionally for
2381         memory targets.
2382         (extract_bit_field):  Don't force extzv or extv operand into
2383         a register if field is too big.
2384
2385 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2386
2387         * config/arm/arm.c (pic_labelno): New.
2388         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2389         LABEL_REF.  Pass only the labelno to PIC insns.
2390         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2391         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2392         * arm.md (UNSPEC_PIC_LABEL): New constant.
2393         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2394         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2395         Use the correct label prefix.
2396
2397 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2398
2399         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2400         REQ_EQUIV note.
2401
2402 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2403
2404         * loop-invariant.c: Include tm_p.h.
2405         * Makefile.in: Updated.
2406
2407 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2408
2409         * pa.c (store_reg): Revise generation of frame notes in large frames.
2410         (set_reg_plus_d): Likewise.
2411
2412 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2413
2414         PR tree-optimization/24709
2415         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2416         loop check.
2417
2418 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2419
2420         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2421         and duplicate declaration of pthread_self.
2422
2423 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2424             Ian Lance Taylor  <ian@airs.com>
2425
2426         PR middle-end/24003
2427         * calls.c (expand_call): If TARGET is a MEM and some part of the
2428         argument area has been saved, force TARGET to a register.
2429
2430 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2431
2432         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2433         checking.
2434
2435 2005-11-13  Jason Merrill  <jason@redhat.com>
2436
2437         PR c++/22489
2438         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2439         lazily declared methods.
2440         (force_decl_die): Stop if forcing out the context already make a
2441         DIE for the decl.
2442         (force_type_die): Likewise.
2443
2444 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2445
2446         PR middle-end/24820
2447         * builtins.c (integer_valued_real_p): Add break in
2448         REAL_CST having TREE_OVERFLOW set.
2449
2450 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2451
2452         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2453         addressing modes during calculation of costs.
2454
2455 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2456
2457         * function.c (assign_stack_local_1): Restrict sanity check
2458         on frame size overflow to 32-bit and above platforms.
2459
2460 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2461
2462         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2463         * config/cris/cris.c: Include reload.h.
2464         (cris_initial_elimination_offset): New function.
2465         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2466         Prototype.
2467
2468 2005-11-12  Richard Guenther  <rguenther@suse.de>
2469
2470         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2471
2472 2005-11-12  Jan Hubicka  <jh@suse.cz>
2473
2474         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2475         to compare against 0 when possible.
2476
2477 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2478
2479         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2480         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2481         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2482         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2483         in the new order.
2484
2485 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2486
2487         * recog.c (constrain_operands) <case 'g'>: For a match, require
2488         that a non-register matches general_operand when strict >= 0.
2489
2490 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2491
2492         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2493         previous checkin.
2494
2495 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2496
2497         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2498         (memory_address_same): New.
2499         (dse_optimize_stmt): Call memory_address_same.
2500
2501 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2502
2503         PR middle-end/24750
2504         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2505         ZERO_EXTEND>: New cases.
2506
2507 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2508
2509         * longlong.h (__clz_tab): Always provide.
2510
2511 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2512
2513         PR 24265
2514         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2515         can be assigned to.
2516         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2517         before check_maybe_invariant.
2518         (move_invariant_reg): Use gen_move_insn instead of replacing
2519         SET_DEST with the temporary for the invariant.
2520         (move_loop_invariants): If checking is enabled, do internal
2521         consistency checks after completing the pass.
2522
2523 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2524
2525         PR 24644
2526         * common.opt (Wvolatile-register-var): New.
2527         * varasm.c (make_decl_rtl): Only emit warning when option
2528         specified.  Clarify warning message.
2529         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2530
2531         * doc/md.texi (copysign): Document standard named pattern.
2532
2533 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2534
2535         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2536         bytes when align is 2.
2537         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2538         by the first instruction of the loop.
2539
2540 2005-11-11  Jason Merrill  <jason@redhat.com>
2541
2542         PR c++/24686
2543         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2544         the cleanup list.
2545
2546 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2547
2548         PR rtl-optimization/22509
2549         * local-alloc.c (memref_used_between_p): Check whether a function call
2550         could not reference the memref.
2551
2552 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2553
2554         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2555         algorithm so as to choose the best, not the worst, alternative.
2556         Reset accumulated register class before processing next alternative.
2557
2558 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2559
2560         PR target/24445
2561         * calls.c (expand_call): Copy a return value to a plain register
2562         if needed.
2563
2564 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2565
2566         PR target/24778
2567         * varasm.c (assemble_name): Recompute name only for transparent
2568         aliases.
2569
2570 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2571
2572         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2573
2574 2005-11-04  Jeff Law  <law@redhat.com>
2575
2576         PR middle-end/23181
2577         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2578         perform reassociation if the parent statement will not die as
2579         a result of the optimization.
2580
2581 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2582
2583         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2584         delete_old_heap_vars.
2585         * tree-dfa.c (referenced_var_remove): Remove function.
2586         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2587         (delete_tree_ssa): Remove call to delete_old_heapvars.
2588         Add call to delete_alias_heapvars.
2589         * tree-flow.h (referenced_var_remove): Remove prototype
2590         (init_alias_heapvars): New prototype.
2591         (delete_alias_heapvars): Ditto.
2592         * Makefile.in (tree-ssa-structalias.o): Add
2593         gt-tree-ssa-structalias.o
2594         (GTFILES): Add tree-ssa-structalias.h and
2595         tree-ssa-structalias.c.
2596         (s-gtype): Add gt-tree-ssa-structalias.h.
2597         * tree-ssa-structalias.c (heapvars): Remove.
2598         (oldheapvars): Remove.
2599         (heapvar_for_stmt): New variable.
2600         (heapvar_lookup): New function.
2601         (heapvar_insert): Ditto.
2602         (get_constraint_for): See if we have an old heapvar
2603         to reuse.
2604         (init_alias_heapvars): New function.
2605         (delete_alias_heapvars): Ditto.
2606         Add include of gt-tree-ssa-structalias.h.
2607
2608 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2609
2610         PR middle-end/22127
2611         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2612
2613 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2614
2615         * tree.c (int_fits_type_p): Only look at the base type
2616         if it has the same precision as the original type.
2617
2618 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2619
2620         PR other/4372
2621         * varasm.c (assemble_alias): Use %q+D in the error
2622         message instead of %J and %qD.
2623
2624 2005-11-10  Richard Guenther  <rguenther@suse.de>
2625
2626         * gcse.c (free_ldst_entry): Only free hashtable if
2627         it exists.
2628
2629 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2630
2631         * function.c (assign_stack_local_1): Issue an error message if
2632         the frame size overflows in the signed target arithmetics.
2633
2634 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2635
2636         * tree.c (build_qualified_type): Chain the new type to the original
2637         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2638         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2639         (build_pointer_type_for_mode): Only return unqualified types.
2640         (build_reference_type_for_mode): Likewise.
2641
2642 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2643
2644         * Makefile.in (gnucompare): Do comparison of all files using one of
2645         the chosen methods and only afterwards decide if just warning should
2646         be issued or comparison failure raised.
2647
2648 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2649
2650         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2651         (noce_try_abs): Negate if the comparison is reversed.
2652         Look only one instruction backwards for a REG_EQUAL note.
2653
2654 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2655
2656         PR other/4372
2657         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2658         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2659         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2660         and prefix all uses with __ghtrw.
2661
2662 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2663
2664         PR other/4372
2665         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2666         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2667         * c-common.c (handle_weakref_attribute): New.
2668         (c_common_attribute_table): Add weakref.
2669         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2670         in the assembler.
2671         * configure, config.in: Rebuilt.
2672         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2673         * doc/extend.texi: Document weakref attribute.
2674         * varasm.c (ultimate_transparent_alias_target): New
2675         (assemble_name): Use it.
2676         (weak_finish_1): Split out of...
2677         (weak_finish): ... and deal with weakrefs in...
2678         (weakref_targets): ... new list.
2679         (globalize_decl): Clean up weakref_targets.
2680         (do_assemble_alias): Handle weakrefs.
2681         (finish_aliases_1): Do not reject weakrefs to external symbols.
2682         (assemble_alias): Handle weakrefs.
2683
2684 2005-11-09  Richard Guenther  <rguenther@suse.de>
2685
2686         PR tree-optimization/24716
2687         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2688         t_bool to track results from follow_ssa_edge.
2689
2690 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2691
2692         * final.c (force_source_line): New global variable.
2693         (final_scan_insn): Set it to true instead of clearing last_filename.
2694         (notice_source_line): Return true if force_source_line is true,
2695         unless source info is absent.
2696
2697 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2698
2699         PR c/24644
2700         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2701         a linkage name for a variable if it a register variable.
2702         * c-decl.c (grokdeclarator): Global register variables
2703         should be set as PUBLIC.
2704
2705 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2706
2707         PR 24624
2708         * config/s390/s390.c (struct s390_frame_layout): New fields
2709         first_save_gpr_slot and last_save_gpr_slot.
2710         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2711         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2712         first_save_gpr and last_save_gpr with the _slot variants.
2713         (s390_register_info): Calculate first_save_gpr_slot and
2714         last_save_gpr_slot using regs_ever_live.
2715
2716 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2717
2718         PR 24623
2719         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2720         for a function containing a landing pad.
2721
2722 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2723
2724         PR 24034
2725         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2726         is live afterwards.
2727
2728 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2729
2730         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2731         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2732
2733 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2734
2735         Add ms2 support
2736         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2737         constants.
2738         (call,load,store): New insn types.
2739         (mem_access, branch_access): Adjust reservation conditions.
2740         (define_delay): Adjust condition.
2741         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2742         type.
2743         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2744         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2745         insn type.
2746         (call_internal, call_value_internal, return_internal,
2747         return_interrupt_internal, eh_return_internal, indirect_jump,
2748         tablejump): Set call insn type.
2749         (blockage, ei, di): Use appropriate unspec const.
2750         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2751         (ms1_get_attr_type): Adjust to give load & store types.
2752         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2753         backwards past a barrier.
2754         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2755         branch scheduling.
2756         (struct branch_info, struct label_info): New.
2757         (ms1_labels): New.
2758         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2759         (ms1_machine_reorg): New.
2760         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2761         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2762         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2763         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2764         (TARGET_MS2): New.
2765
2766 2005-11-09  Per Bothner  <per@bothner.com>
2767             Uros Bizjak  <uros@kss-loka.si>
2768
2769         PR c/24101
2770         * toplev.c (process_options): Initialize debug_hooks early
2771         in case lang_hooks.post_options ends up calling a debug_hook.
2772
2773 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2774
2775         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2776         DBX_REGISTER_NUMBER being contiguous.
2777
2778 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2779             Diego Novillo  <dnovillo@redhat.com>
2780
2781         PR 23046
2782         * tree-vrp.c (register_edge_assert_for): Do not register
2783         always-false predicates.
2784
2785 2005-11-08  Devang Patel <dpatel@apple.com>
2786
2787         PR tree-optimization/23115
2788         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2789         relation.
2790
2791 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2792
2793         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2794         -mcpu=440.
2795
2796 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2797
2798         Fix PR tree-optimization/23382
2799
2800         * tree-ssa-alias.c (compute_may_aliases): Call
2801         delete_old_heap_vars.
2802         * tree-dfa.c (referenced_var_remove): New function.
2803         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2804         * tree-flow.h (referenced_var_remove): Add prototype.
2805         (delete_old_heap_vars): Ditto.
2806         * tree-ssa-structalias.c (heapvars): New variable.
2807         (oldheapvars): Ditto.
2808         (get_constraint_for): Put heap vars on heapvars list.
2809         (delete_old_heap_vars): New function.
2810
2811 2005-11-08  Jason Merrill  <jason@redhat.com>
2812
2813         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2814
2815 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2816
2817         PR target/19340
2818         * reg-stack.c (reg_to_stack): Update register liveness also
2819         for flag_sched2_use_traces.
2820
2821 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2822
2823         PR target/23704
2824         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2825         override prior explicit -mno-powerpc-gfxopt.
2826
2827 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2828
2829         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2830         if the bitsize is zero.
2831         * doc/md.texi (Standard Pattern Names): Document it.
2832
2833         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2834         (TARGET_PASS_BY_REFERENCE): Likewise.
2835
2836 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2837
2838         PR rtl-optimization/24683
2839         * config/i386/i386.c (legitimize_pic_address): If constant operand
2840         to PLUS is too large, put it in a register.
2841
2842 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2843
2844         * configure.ac: Enable checking assembler dwarf2 support for bfin
2845         target.
2846         * configure: Regenerate.
2847
2848 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2849
2850         PR target/24230
2851
2852         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2853         gen_easy_vector_constant_add_self): Delete.
2854         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2855         New.
2856         (output_vec_const_move): Use gen_easy_altivec_constant.
2857         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2858         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2859         (easy_vector_constant_add_self): Rewritten.
2860         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2861         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2862         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2863         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2864         Macroize and adjust for the other changes.
2865
2866 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2867
2868         PR c/24599
2869
2870         * c-typeck.c (build_c_cast): Try using a shared constant, and see
2871         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2872
2873 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
2874
2875         PR rtl-optimization/23567
2876         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2877         (noce_process_if_block): Don't do any optimizations except
2878         if (cond) x = x; if !set_b and write into orig_x may trap
2879         or fault.  Remove the MEM_READONLY_P check.
2880
2881 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
2882
2883         PR 24670
2884         * tree-vrp.c (fix_equivalence_set): New.
2885         (extract_range_from_assert): Call it.
2886
2887 2005-11-05  Ian Lance Taylor  <ian@airs.com>
2888
2889         PR target/22432
2890         * combine.c (apply_distributive_law): Don't distribute across a
2891         vector mode subreg.
2892
2893 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
2894
2895         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2896         config/ms1/ms1.h, config/rs6000/predicates.md,
2897         config/s390/s390.c, params.def, postreload-gcse.c,
2898         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2899         tree-vrp.c, tree.c: Fix comment typos.
2900         * doc/invoke.texi: Fix typos.
2901
2902 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
2903
2904         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2905         for testing whether the data_dependence_relation contains distance
2906         vectors.  Iterate over all distance vectors of the ddr.
2907         * lambda.h: Define a vec of lambda_vector pointers.
2908         * tree-data-ref.c (dump_data_dependence_relation,
2909         dump_data_dependence_direction): Iterate over all distance and
2910         direction vectors of the ddr.
2911         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2912         DDR_DIST_VECTS.
2913         (build_classic_dist_vector, build_classic_dir_vector): Push a set
2914         of distance/direction vectors instead of a single one.
2915         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2916         lambda_vectors with a vec of lambda_vectors.
2917         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2918         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2919         DDR_NUM_DIST_VECTS): New.
2920         * tree-loop-linear.c (gather_interchange_stats): Test for the
2921         existence of distance vectors only after having checked that there
2922         is a dependence.  Iterate over all distance vectors of the ddr.
2923         (linear_transform_loops): Use dump_data_dependence_relation.
2924         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2925         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
2926         distance vectors of the ddr.
2927
2928 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2929
2930         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2931         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2932         IS_INTHANDLER; all callers changed.
2933         (n_regs_saved_by_prologue): Take interrupt handler attributes into
2934         account.
2935         (do_link, do_unlink): New argument ALL; all callers changed.
2936         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2937         If function isn't leaf, save and restore all registers.
2938         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2939         exception handler.
2940
2941 2005-11-05  Jan Hubicka  <jh@suse.cz>
2942
2943         PR rtl-optimization/23490
2944         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2945         max-flow-memory-location): Document.
2946         * flow.c: Include params.h
2947         (MAX_MEM_SET_LIST_LEN): Kill.
2948         (add_to_mem_set_list): Use new param.
2949         * cse.c (cse_basic_block): Replace 1000 by new param.
2950         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2951         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2952         * predict.c (predict_loops): Use new param.
2953         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2954
2955         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2956         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2957         Do not hold memory returned by cgraph_node_name across other call.
2958
2959 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
2960
2961         PR target/23424
2962         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2963         Disable.
2964
2965 2005-11-04  Jeff Law  <law@redhat.com>
2966
2967         PR/21883
2968         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2969         * tree-ssa-dom.c: Include params.h.
2970         (thread_across_edge): If there are too many statements in the
2971         target block, then do not thread through it.
2972         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2973         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2974
2975 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
2976
2977         PR 24627
2978         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2979         TODO_update_ssa instead of TODO_update_ssa_no_phi.
2980
2981 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
2982
2983         PR/18595
2984         * tree-scalar-evolution.c (instantiate_parameters_1,
2985         instantiate_parameters, resolve_mixers): Compute the size of an
2986         expression to be instantiated and give up the instantiation if the
2987         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2988
2989 2005-11-04  Richard Guenther  <rguenther@suse.de>
2990
2991         * tree-flow.h (ref_contains_indirect_ref): Rename to
2992         array_ref_contains_indirect_ref.
2993         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2994         (array_ref_contains_indirect_ref): Make comment match the code
2995         and vice-versa.
2996         (ref_contains_array_ref): Likewise.
2997         * tree-ssa-structalias.c (find_func_aliases): Remove call to
2998         ref_contains_indirect_ref.
2999         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3000         Rename calls to ref_contains_indirect_ref.
3001
3002 2005-11-04 Paul Brook  <paul@codesourcery.com>
3003
3004         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3005         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3006         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3007         * config/arm/arm.md: Use match_operand in peephole input templates
3008         and match_dup in peephole output templates.
3009
3010 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3011
3012         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3013         __aeabi_uidiv.
3014
3015 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3016             Daniel Jacobowitz  <dan@codesourcery.com>
3017
3018         * longlong.h (add_ssaaaa): Clobber condition code register
3019         in ARM version.
3020         (sub_ddmmss): Likewise.
3021         (umul_ppmm): Likewise.
3022
3023 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3024             Paul Brook  <paul@codesourcery.com>
3025             Phil Blundell  <pb@reciva.com>
3026
3027         * configure.ac: Add test for ARM TLS support.
3028         * configure: Regenerated.
3029         * config/arm/arm-protos.h (legitimize_tls_address)
3030         (arm_tls_referenced_p, tls_mentioned_p)
3031         (arm_output_addr_const_extra): New prototypes.
3032         (thumb_legitimize_pic_address): Delete.
3033         * config/arm/arm.c: Include "gt-arm.h".
3034         (enum tls_reloc): New.
3035         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3036         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3037         (arm_call_tls_get_addr, legitimize_tls_address)
3038         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3039         (arm_init_tls_builtins, arm_emit_tls_decoration)
3040         (arm_output_addr_const_extra): New functions.
3041         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3042         (TARGET_HAVE_TLS): Define.
3043         (target_thread_pointer): New.
3044         (arm_override_options): Handle -mtp=.
3045         (legitimize_pic_address): Ignore UNSPECs.
3046         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3047         relative symbols.
3048         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3049         (tls_get_addr_libfunc): New variable.
3050         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3051         (arm_init_builtins): Call arm_init_tls_builtins.
3052         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3053         (arm_encode_section_info): Call default_encode_section_info.
3054         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3055         (enum arm_tp_type): New.
3056         (target_thread_pointer): Add declaration.
3057         (LEGITIMATE_CONSTANT_P): Handle TLS.
3058         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3059         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3060         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3061         * config/arm/arm.md: Add UNSPEC_TLS.
3062         (movsi): Handle TLS.
3063         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3064         non-PIC.
3065         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3066         (load_tp_hard, load_tp_soft): New insns.
3067         * arm.opt: Add -mtp=.
3068         * doc/invoke.texi (ARM Options): Document -mtp.
3069
3070 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3071
3072         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3073         * config/arm/libunwind.S: Include "lib1funcs.asm".
3074         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3075         (LIB2ADDEH): Add libunwind.S.
3076         (LIB2ADDEHDEP): Add lib1funcs.asm.
3077         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3078
3079 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3080
3081         PR fortran/18452
3082         * gcc/c.opt: Add a -lang-fortran option.
3083         * gcc/c-opts.c: Add a lang_fortran flag.
3084         (c_common_init_options): Handling the -lang-fortran option.
3085         (c_common_handle_option): Add a case for Fortran options in
3086         preprocessing. Remove cases for -ffixed-form and
3087         -ffixed-line-length. Add a case for -lang-fortran.
3088
3089 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3090
3091         * config/rs6000/rs6000.c: Include params.h
3092         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3093         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3094         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3095         (UNSPEC_VPKUWSS): Delete.
3096         (altivec_vpkuhss): Delete.
3097         (altivec_vpkuwss): Delete.
3098         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3099         final condition.
3100         (neg_eq0<mode>): Remove final condition.
3101         (neg_eq<mode>): Remove condition and split-condition.
3102
3103 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3104
3105         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3106         Use associated print macros.
3107
3108 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3109
3110         PR c++/17964
3111         * diagnostic.c (diagnostic_set_info_translated): New function.
3112         (diagnostic_set_info): Use it.  Add comment.
3113         * diagnostic.h (diagnostic_set_info_translated): Declare.
3114
3115 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3116
3117         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3118         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3119         reference only if 'public' is true.
3120         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3121         emit the .hidden directive only if the indirect reference is public.
3122         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3123         Pass it to dw2_force_const_mem.
3124         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3125         * dwarf2out.c (output_cfi): Adjust calls to above function.
3126         (output_call_frame_info): Likewise.
3127         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3128         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3129
3130 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3131
3132         PR tree-optimization/24483
3133         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3134         field to elts if possible.
3135
3136 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3137
3138         PR middle-end/23155
3139         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3140         CONSTRUCTOR.
3141
3142 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3143
3144         Fix PR tree-optimization/24351
3145
3146         * tree-ssa-structalias.c (struct variable_info): Add
3147         collapsed_into.
3148         (get_varinfo_fc): New function to follow collapsing.
3149         (new_var_info): Set collapsed_to to NULL.
3150         (dump_constraint): Follow collapsing.
3151         (build_constraint_graph): Handle collapsing.
3152         (do_simple_structure_copy): Return false if something bad
3153         happened.
3154         (collapse_rest_of_var): New function.
3155         (do_structure_copy): Collapse if do_simple_structure_copy returns
3156         false.
3157
3158 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3159
3160         PR middle-end/24589
3161         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3162         expressions to a statement list instead of gimplifying them.
3163
3164 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3165
3166         PR rtl-optimization/23585
3167         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3168         that can't trap plus a constant integer, if the mode has zero size.
3169
3170 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3171
3172         PR target/24620
3173         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3174         as operand 2.
3175         ("*insv<mode>_reg_extimm"): Likewise.
3176
3177 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3178
3179         PR c/24329
3180         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3181         c_common_type_for_mode returns an unnamed type.
3182
3183 2005-11-02  Richard Henderson  <rth@redhat.com>
3184
3185         PR target/9350
3186         PR target/24374
3187         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3188         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3189         * function.c (assign_parms): Use calls.internal_arg_pointer.
3190         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3191         code.
3192         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3193         (TARGET_CALLS): Add it.
3194         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3195         * targhooks.c (default_internal_arg_pointer): New.
3196         * targhooks.h (default_internal_arg_pointer): Declare.
3197         * tree.h (dwarf2out_reg_save_reg): Declare.
3198         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3199         * config/i386/i386.c (dbx_register_map): Add return column.
3200         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3201         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3202         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3203         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3204         (ix86_save_reg): Save force_align_arg_pointer.
3205         (ix86_emit_save_regs): Make regno unsigned.
3206         (ix86_emit_save_regs_using_mov): Likewise.
3207         (ix86_expand_prologue): Handle force_align_arg_pointer.
3208         (ix86_expand_epilogue): Likewise.
3209         * config/i386/i386.h: (dbx_register_map): Update.
3210         (dbx64_register_map, svr4_dbx_register_map): Update.
3211         (struct machine_function): Add force_align_arg_pointer.
3212         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3213         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3214         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3215
3216 2005-11-02  Jan Hubicka  <jh@suse.cz>
3217
3218         PR target/23303
3219         * i386.md: Add peep2 for simplyfing array accesses.
3220
3221 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3222
3223         PR target/24615
3224         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3225         * config/s390/s390.c (s390_decompose_shift_count): New function.
3226         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3227         (print_shift_count_operand): Use s390_decompose_shift_count.
3228         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3229         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3230
3231 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3232
3233         PR target/24600
3234         * loop.c (loop_givs_rescan): Use force_operand to expand
3235         complex GIVs.
3236
3237 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3238
3239         PR 22429
3240         * fold-const.c (build_range_check): Use unsigned when signed
3241         overflow is undefined also.  If etype is subtype, make sure that
3242         the subtraction is in the supertype.
3243
3244 2005-11-02  Richard Henderson  <rth@redhat.com>
3245
3246         PR target/24178
3247         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3248         by MEM_ALIGN.
3249
3250 2005-11-01  Richard Henderson  <rth@redhat.com>
3251
3252         PR 21518
3253         * loop.c (scan_loop): Do not propagate computations to a hard
3254         register destination with SMALL_REGISTER_CLASSES.
3255
3256 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3257
3258         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3259         costs for MULT inside PLUS or MINUS.
3260
3261 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3262
3263         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3264         (TRAMPOLINE_SIZE): Round up to 60.
3265         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3266
3267 2005-10-31  James E. Wilson  <wilson@specifix.com>
3268
3269         PR debug/24444
3270         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3271         ifdef.  Put ifdefs around call in gen_subprogram_die.
3272         (compute_frame_pointer_to_cfa_displacement): Likewise.
3273         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3274         not defined.
3275
3276         PR rtl-optimization/17356
3277         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3278         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3279
3280 2005-10-31  Jan Hubicka  <jh@suse.cz>
3281
3282         PR middle-end/24093
3283         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3284
3285         PR target/20928
3286         * i386.c (legitimize_pic_address): Deal with large immediates.
3287
3288         PR profile/20815
3289         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3290         from symbol names while computing checkup.
3291
3292         PR profile/24487
3293         * predict.c (predict_loops): Do not estimate more than
3294         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3295         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3296
3297 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3298
3299         PR tree-optimization/19097
3300         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3301
3302 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3303
3304         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3305
3306 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3307
3308         PR middle-end/23492
3309         * tree-inline.c (setup_one_parameter): If the init_stmt
3310         is NULL, don't insert the statement.
3311
3312 2005-10-30  Jan Hubicka  <jh@suse.cz>
3313
3314         PR tree-optimization/24172
3315         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3316
3317 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3318
3319         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3320         constants for hosts with long != 32 bits.
3321
3322 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3323
3324         PR middle-end/24093
3325         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3326
3327 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3328
3329         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3330         (TARGET_MS1_16_002): New.
3331         (TARGET_MS1_16_003): New.
3332
3333         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3334         ("*decrement_and_branch_until_zero_no_clobber"): New.
3335         Add corresponding splitter for decrement_and_branch_until_zero
3336         instruction.
3337         Key all decrement_and_branch_until_zero patterns off of
3338         TARGET_MS1_16_003.
3339
3340 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3341
3342         PR middle-end/24362
3343         * tree-complex.c (extract_component): Treat RESULT_DECL
3344         like the rest of the decls.
3345
3346 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3347
3348         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3349         indirect call to _mcount if the function needs a static chain.
3350
3351 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3352             Caroline Tice  <ctice@apple.com>
3353
3354         PR rtl-optimization/24460
3355         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3356         (dwarf2out_switch_text_section): Set it to true instead of
3357         incrementing separate_line_info_table_in_use.
3358         (output_loc_list): Additionally test have_switched_text_sections.
3359         (output_ranges): Likewise.
3360         (dwarf2out_finish): Likewise.
3361         * varasm.c (assemble_start_function): Do not call
3362         insert_section_boundary_note.
3363         (assemble_end_function): If flag_reorder_blocks_and_partition,
3364         switch to the function's section before emitting the .size directive.
3365         * bb-reorder.c (insert_section_boundary_note): Staticify.
3366         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3367         * output.h (insert_section_boundary_note): Delete.
3368
3369 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3370
3371         PR c/23103
3372         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3373         instead of pointer equality when comparing types.
3374
3375 2005-10-24  James E. Wilson  <wilson@specifix.com>
3376
3377         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3378         add_dependence_list_and_free calls.
3379
3380 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3381
3382         * contrib.texi: Add the names of the LLNL folks who donated
3383         Cray pointer support for gfortran.
3384
3385 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3386
3387         PR tree-optimization/24225
3388         * profile.c (branch_prob): Look from end to start through a
3389         basic block when looking for a locus.
3390
3391 2005-10-24  Richard Henderson  <rth@redhat.com>
3392
3393         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3394         parallel.
3395         (hppa_expand_prologue): Likewise.
3396
3397 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3398
3399         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3400         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3401         * pa.h (NO_PROFILE_COUNTERS): Define.
3402         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3403         (funcdef_nos): New vector to hold label numbers of deferred profile
3404         counters.
3405         (output_deferred_profile_counters): New function.
3406         (hppa_profile_hook): Push label number onto funcdef_nos.
3407         (pa_hpux_file_end): Call output_deferred_profile_counters if
3408         NO_DEFERRED_PROFILE_COUNTERS is false.
3409
3410         * pa-protos.h (get_deferred_plabel): New prototype.
3411         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3412         Make global.
3413         (output_call): Adjust calls.
3414
3415 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3416
3417         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3418         peculiarity of GOT/TOC section usage.
3419
3420 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3421
3422         PR objc/24435
3423          * c-common.c (constant_string_class_name): Add documentation.
3424
3425 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3426
3427         PR target/23832
3428         * recog.c (peephole2_optimize): Increment peep2_current_count
3429         only when the slot is empty.
3430
3431 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3432
3433         PR ada/23957
3434         * except.c (output_function_exception_table): Call
3435         assemble_external_libcall if we need a personality function.
3436
3437 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3438
3439         PR rtl-optimization/24460
3440         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3441         set the basic block for barriers.
3442
3443 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3444
3445         * var-tracking.c (vt_initialize): Initialize post.
3446
3447 2005-10-21  Devang Patel  <dpatel@apple.com>
3448
3449         PR/24220
3450         * c-common.c (vector_types_convertible_p): Check vector element type.
3451
3452 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3453
3454         * config/sh/sh.c (prepare_move_operands): Handle the address
3455         constant which is a tls symbolic address plus a constant.
3456
3457 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3458
3459         PR driver/24473
3460         * gcc.c (main): Use the correct counter for erroring out
3461         about mulitple files.
3462
3463 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3464
3465         PR target/24465
3466         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3467         use r2 for 64-bit tls .got access.
3468
3469 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3470
3471         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3472         TRUTH_OR_EXPR.
3473
3474 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3475
3476         PR tree-optimization/24307
3477         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3478
3479 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3480
3481         PR middle-end/24295
3482         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3483         alias targets.
3484         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3485         is ready, stop marking functions, but still mark variables.
3486
3487 2005-10-20  Richard Guenther  <rguenther@suse.de>
3488
3489         PR c++/24439
3490         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3491         void type operands.
3492
3493 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3494
3495         PR rtl-optimization/23585
3496         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3497         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3498         (may_trap_p_1): New predicate extracted from...
3499         (may_trap_p): ... here.  Invoke may_trap_p_1.
3500         (may_trap_or_fault_p): New predicate.
3501         * rtl.h (may_trap_or_fault_p): Declare it.
3502         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3503         instead of may_trap_p.
3504         (steal_delay_list_from_fallthrough): Likewise.
3505         (fill_simple_delay_slots): Likewise.
3506         (fill_slots_from_thread): Likewise.
3507         * function.c (pad_to_arg_alignment): Rework comment about
3508         SPARC_STACK_BOUNDARY_HACK.
3509         * config/sparc/sparc.h: Likewise.
3510
3511 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3512
3513         * config/s390/s390.c (s390_expand_insv): New.
3514         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3515         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3516         ("icm_hi"): Remove mode attribute.
3517         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3518         Adjust all uses.
3519         ("*extracthi", "*extractqi"): Remove.
3520         (extv<mode>", "*extzv<mode>"): New.
3521         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3522         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3523
3524 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3525
3526         * cfgexpand.c (discover_nonconstant_array_refs_r,
3527         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3528         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3529         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3530         discover_nonconstant_array_refs.
3531
3532 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3533
3534         PR c/23228
3535         * c-decl.c (pop_scope): Don't warn about an unused variable
3536         if it is marked with TREE_NO_WARNING.
3537         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3538         somenow mismatch and olddecl is to be replaced.
3539
3540 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3541
3542         PR middle-end/23199
3543         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3544         whether registers live on the edge can be saved/restored.
3545
3546 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3547
3548         * config/sh/sh.c (fixup_mova): Skip notes.
3549
3550 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3551
3552         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3553         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3554         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3555         (s390_initial_elimination_offset): Likewise.
3556         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3557         register on TARGET_ZARCH targets.
3558         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3559         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3560         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3561         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3562
3563 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3564
3565         * config/s390/s390.md: Comment describing output modifiers updated.
3566         * config/s390/s390.c (print_operand): Likewise.
3567
3568 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3569
3570         * config/s390/s390.c (override_options): Added check for -mstack-size
3571         64k limitation.
3572         * doc/invoke.texi: Mention that limit in the documenation.
3573
3574 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3575
3576         PR #19672
3577         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3578
3579 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3580
3581         Fix PR tree-optimization/24231
3582
3583         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3584         (compute_avail): Ditto.
3585
3586 2005-10-18  Richard Henderson  <rth@redhat.com>
3587
3588         PR target/24428
3589         * config/i386/i386.c (legitimate_constant_p): Check
3590         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3591         if LABEL_REF.
3592         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3593         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3594         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3595         directly.
3596         (print_operand_address): Likewise.
3597         * config/i386/predicates.md (x86_64_immediate_operand): Test
3598         SYMBOL_REF_TLS_MODEL properly inside CONST.
3599         (x86_64_zext_immediate_operand): Likewise.
3600         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3601         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3602         * config/i386/i386-protos.h: Remove predicates.md entries.
3603
3604 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3605
3606         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3607         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3608
3609 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3610             Ian Lance Taylor <ian@airs.com>
3611
3612         PR middle-end/23522
3613         * fold-const.c (fold_widened_comparison): Do not allow range based
3614         constant folding when right operand cannot be unwidened.
3615
3616 2005-10-17  Richard Henderson  <rth@redhat.com>
3617
3618         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3619         with a memory clobber.
3620
3621 2005-10-17  James E Wilson  <wilson@specifix.com>
3622
3623         PR rtl-optimization/17356
3624         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3625         checking for EDGE_EH.
3626
3627 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3628
3629         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3630         the slot on an even boundary for any type with 16-byte alignment.
3631
3632 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3633
3634         PR target/23424
3635         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3636         after register allocation.
3637
3638 2005-10-17  DJ Delorie  <dj@redhat.com>
3639
3640         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3641         as frame related.
3642
3643 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3644
3645         PR c++/22551
3646         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3647         overflow flags.
3648
3649 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3650
3651         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3652         to 2 if it's already non-zero.
3653         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3654         is set and warn about it if flag_schedule_insns is 1.
3655
3656 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3657
3658         * config/crx/crx.md: Compare-and-branch instructions need to
3659         invalidate CC.
3660
3661 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3662
3663         PR target/24315
3664         * config/i386/i386.md (*pushdi2_rex64 splitter)
3665         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3666         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3667         flow2 pass only when (optimize > 0 && flag_peephole2).
3668
3669 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3670
3671         PR driver/22544
3672         * gcc.c (have_c): New static variable.
3673         (have_o): Likewise.
3674         (process_command): Remove declation of have_c.
3675         Set have_o to 1 when handling -o.
3676         (main): Add a fatel error if there are multiple
3677         files specified and -o and -c/-S is passed witout
3678         -combine or multiple languages.
3679
3680 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3681
3682         Fix PR tree-optimization/22444
3683         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3684         Assert that we don't hit something with subvars.
3685         (setup_pointers_and_addressables): Don't add things with subvars,
3686         because we'll already process the subvars for aliasing purposes.
3687
3688 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3689
3690         PR target/23424
3691         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3692         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3693         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3694         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3695         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3696         swapped, alternatives for the R constraint.
3697
3698         PR middle-end/24341
3699         * builtins.c (get_builtin_sync_mode): Make unlimited
3700         mode_for_size request.
3701
3702 2005-10-15  Richard Henderson  <rth@redhat.com>
3703
3704         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3705         (gimplify_expr): ... here.
3706         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3707         fb_lvalue in base expression.
3708
3709 2005-10-15  Richard Henderson  <rth@redhat.com>
3710
3711         PR 23714
3712         * builtins.c (expand_builtin_trap): Export.
3713         * expr.h (expand_builtin_trap): Declare.
3714         * expr.c (expand_assignment): Emit a trap for integral offsets
3715         from registers that weren't reduced to bitpos.
3716
3717         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3718         (mark_array_ref_addressable): Remove.
3719         * tree-flow.h (mark_array_ref_addressable): Remove.
3720         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3721
3722 2005-10-15  James E Wilson  <wilson@specifix.com>
3723
3724         PR target/24232
3725         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3726         (add_dependence_list_and_free): Likewise.
3727         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3728         call.
3729
3730 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3731
3732         PR 23141
3733         PR 23142
3734         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3735         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3736         anti-range.
3737         (vrp_visit_phi_node): Only prevent infinite iterations when
3738         the previous result and the new result are both VR_RANGEs.
3739
3740 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3741
3742         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3743         function comment.
3744
3745 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3746
3747         PR c/23439
3748         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3749         to initialize loc.
3750
3751 2005-10-14  Per Bothner  <per@bothner.com>
3752
3753         PR preprocessor/21250
3754         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3755
3756 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3757
3758         PR c++/22551
3759         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3760         overflow flags.  Refactor some conditionals.
3761
3762 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3763
3764         PR tree-opt/21304
3765         * tree-dfa.c (add_referenced_var): Only look at decls which
3766         have TREE_CONSTANT or TREE_READONLY set instead of if
3767         !TREE_PUBLIC or !TREE_CONSTANT.
3768
3769 2005-10-13  James E Wilson  <wilson@specifix.com>
3770
3771         * doc/invoke.texi: For -x, add f95-cpp-input.
3772         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3773
3774 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3775
3776         PR tree-optimization/24262
3777         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3778         in loop all the time.
3779
3780 2005-10-12  Richard Henderson  <rth@redhat.com>
3781
3782         PR c/24255
3783         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3784         * function.c (assign_parm_find_data_types): Don't support it.
3785         * print-tree.c (print_node): Likewise.
3786         * c-common.c (handle_transparent_union_attribute): Likewise.
3787         Use build_duplicate_type.
3788         * tree-inline.c (remap_type_1): Split out of remap_type;
3789         properly remap aggregate fields.
3790         (build_duplicate_type): New.
3791         * doc/extend.texi (Variable Attributes): Remove documentation
3792         for transparent_union.
3793
3794 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3795
3796         PR target/24284
3797         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3798         (gen_stack_pointer_dec): Likewise.
3799
3800 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3801
3802         PR middle-end/21275
3803         PR middle-end/21766
3804         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3805         target hook.
3806         (struct cxx): Add adjust_class_at_definition target hook.
3807         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3808         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3809         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3810         hook_void_tree. Add to TARGET_CXX.
3811         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3812         dllimport_flag.
3813         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3814         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3815         instead of attribute. Check for dllexport override.  Warn if
3816         inconsistent dll linkage. Don't lose old dllimport if decl has
3817         had address referenced.   Tweak lookup of dllimport atribute.
3818         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3819         for target specific rules.  Don't add dllimport attribute if
3820         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3821         dllimport attribute.
3822         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3823         * varasm.c (initializer_constant_valid_p): Replace
3824         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3825
3826         PR target/21801
3827         PR target/23589
3828         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3829         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3830         (i[34567]86-*-mingw32*): Likewise.
3831
3832         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3833         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3834
3835         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3836         C++-specific code. Change return value to bool.
3837         (i386_pe_dllimport_p): Likewise.
3838         (associated_type): Simplify and make language-independent
3839         (i386_pe_encode_section_info): Replace override of ambiguous
3840         dllimport symbol refs with a gcc_assert.
3841         (i386_pe_valid_dllimport_attribute_p): Define.
3842         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3843         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3844         i386_pe_adjust_class_at_definition.
3845         * config/i386/winnt-stubs.c: New file. Define stub versions of
3846         lang-specific functions.
3847         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3848         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3849         i386_pe_adjust_class_at_definition.
3850         (i386_pe_valid_dllimport_attribute_p): Declare.
3851         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3852         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3853         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3854
3855         PR target/19704
3856         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3857         dllimport attribute with test of DECL_DLLIMPORT_P.
3858
3859 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3860
3861         * combine.c (make_extraction): Correct offset computation.
3862
3863 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
3864
3865         * config/cris/t-linux (LIMITS_H_TEST): Define.
3866
3867 2005-10-12  Richard Henderson  <rth@redhat.com>
3868
3869         PR rtl-opt/23324
3870         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3871
3872 2005-10-12  Richard Guenther  <rguenther@suse.de>
3873
3874         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3875
3876 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
3877
3878         PR c++/19964
3879         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3880         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3881         type.
3882
3883 2005-10-12  Richard Guenther  <rguenther@suse.de>
3884
3885         PR c++/23799
3886         * varasm.c (output_constant): Correct typo from previous
3887         patch by DJ.
3888
3889 2005-10-11  Ian Lance Taylor  <ian@airs.com>
3890
3891         PR rtl-optimization/13931
3892         * combine.c: Revert patch of 2003-05-14, and:
3893         (try_combine): Only set elim_i1 and elim_i2 if the destination is
3894         completely killed in the appropriate insn.
3895         (distribute_notes): Don't skip multiple hard register test for
3896         elim_i1 and elim_i2.
3897
3898 2005-10-11  Richard Henderson  <rth@redhat.com>
3899
3900         PR c/24255
3901         * c-typeck.c (convert_for_assignment): Use build_constructor_single
3902         to initialize a transparent union instead of a nop_expr.
3903
3904 2005-10-11  Richard Henderson  <rth@redhat.com>
3905
3906         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3907         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3908         (tree_ssa_dce_loop): Call scev_reset.
3909
3910         PR tree-opt/24300
3911         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3912         * tree-ssa-dce.c: Include cfgloop.h.
3913         (tree_ssa_dce_loop, pass_dce_loop): New.
3914         * tree-pass.h (pass_dce_loop): Declare it.
3915         * passes.c (init_optimization_passes): Use it.
3916
3917 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3918
3919         PR middle-end/24263
3920         * convert.c (convert_to_real): Revert 2005-10-05 patch.
3921         Only apply the optimization for rounding builtins if the inner
3922         cast is also an extension.
3923
3924 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
3925
3926         PR tree-opt/23946
3927         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3928         mark_new_vars_to_rename instead of update_stmt.
3929
3930 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3931
3932         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3933
3934 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
3935
3936         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3937         for setting MMX register to 0 rather than mmx.
3938
3939 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
3940
3941         PR target/12098
3942         * configure.ac: Move gas check from mips specific case to common case.
3943         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3944         * configure: Regenerate
3945         * doc/install.texi: Update.
3946
3947 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3948
3949         PR target/24284
3950         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3951
3952 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
3953
3954         * gcc.c (do_spec_1): Accept numeric characters in file name
3955         suffixes.
3956
3957 2005-10-10  Nick Clifton  <nickc@redhat.com>
3958
3959         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
3960         describing the deleted arm_gen_rotated_half_load function.
3961
3962 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3963
3964         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3965         __fpscr_values.
3966
3967 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
3968
3969         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3970         gnu_ld assignments.
3971         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3972         (EXTRA_MULTILIB_PARTS): Define.
3973         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3974         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3975         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3976         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3977         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3978         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3979
3980 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
3981
3982         PR tree-optimization/24226
3983         * tree-cfg.c (remove_bb): Clean up unreachable loops.
3984         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3985         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3986         Export.
3987
3988 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3989
3990         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3991
3992 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
3993
3994         PR target/24136
3995         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3996         Rewrite for no need for the early clobber.
3997
3998 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
3999
4000         Merge from csl-arm-branch:
4001         2005-09-07  Paul Brook  <paul@codesourcery.com>
4002         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4003         space to string.
4004
4005         2005-04-30  Paul Brook  <paul@codesourcery.com>
4006         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4007         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4008
4009         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4010         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4011         (arm_override_options): Use TARGET_AAPCS_BASED.
4012         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4013         (PTRDIFF_TYPE): Use int for AAPCS.
4014         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4015         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4016         (DEFAULT_SHORT_ENUMS): Delete.
4017         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4018
4019         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4020         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4021         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4022         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4023
4024         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4025         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4026
4027         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4028         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4029
4030         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4031         * config.gcc (arm*-*-linux-gnueabi): Add it.
4032         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4033         redefining it.
4034         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4035         * config/arm/linux-eabi.h: New file.
4036         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4037         (LINUX_TARET_LINK_SPEC): Likewise.
4038         (LINK_SPEC): Use it.
4039         * config/arm/t-linux-eabi: New file.
4040
4041 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4042
4043         PR other/22202
4044         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4045         spaces.
4046         (PARAM_SMS_DFA_HISTORY): Likewise.
4047
4048 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4049
4050         PR middle-end/23150
4051         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4052         (load_register_parameters): Call it.
4053         (check_sibcall_argument_overlap_1): Likewise.
4054         (store_one_arg): Likewise.
4055
4056 2005-10-07  James E. Wilson  <wilson@specifix.com>
4057
4058         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4059         DImode not VECINT24 for operand 2.
4060
4061         PR target/23644
4062         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4063         -mtune-arch.
4064
4065         PR target/24193
4066         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4067         fr_spill): Use destination_operand for operand 0.
4068
4069 2005-10-07  DJ Delorie  <dj@redhat.com>
4070
4071         * varasm.c (output_constant): Limit error to expanding
4072         conversions.
4073
4074 2005-10-07  Richard Guenther  <rguenther@suse.de>
4075
4076         PR middle-end/24227
4077         * fold-const.c (fold_binary): Fix operand types during folding
4078         of X op (A, Y).  Evaluation order of the side-effects of
4079         X and A are frontend-defined, so ensure we honour that even for
4080         tcc_comparison class operands; eased by removing duplicate code.
4081
4082 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4083
4084         * stor-layout.c (layout_type): Do not allow alignment of array
4085         elements to be greater than their size.
4086
4087 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4088
4089         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4090         host_xmake_file.
4091         (hppa*-*-linux*): Ditto.
4092         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4093         * config/host-hpux.c: New.
4094         * config/x-hpux: New.
4095         * config/pa/x-hpux: Remove.
4096         * config/pa/x-linux: Remove.
4097         * config/pa/pa-host.c: Remove.
4098
4099 2005-10-07  Jeff Law  <law@redhat.com>
4100
4101         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4102         determine whether or not to try and thread outgoing edges.
4103
4104 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4105
4106         * config/rs6000/rs6000.md (eqsi_power): New.
4107         (neg_eq0si): Add TARGET_POWER to final condition.
4108         (neg_eqsi): Same.
4109
4110 2005-10-06  Richard Henderson  <rth@redhat.com>
4111
4112         * config/rs6000/rs6000.c: Revert last change.
4113
4114 2005-10-06  Richard Henderson  <rth@redhat.com>
4115
4116         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4117         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4118
4119 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4120
4121         PR middle-end/22216
4122         PR middle-end/23651
4123         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4124         out return_label and naked_return_label.
4125
4126 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4127
4128         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4129         change.
4130
4131 2005-10-06  Richard Henderson  <rth@redhat.com>
4132
4133         PR tree-opt/22237
4134         * tree-inline.c (declare_return_variable): Handle modify_dest not
4135         being a DECL.
4136
4137 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4138
4139         Fix PR tree-optimization/22488
4140         * tree-ssa-structalias.c (check_for_overlaps): New function.
4141         (create_variable_info_for): Use it.
4142
4143 2005-10-06  Richard Henderson  <rth@redhat.com>
4144
4145         PR debug/24070
4146         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4147         (dwarf2out_start_source_file): Print it.
4148
4149 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4150
4151         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4152
4153 2005-10-06  Richard Henderson  <rth@redhat.com>
4154
4155         PR 23706
4156         * mode-switching.c (optimize_mode_switching): Clear transp bit
4157         for block with incomming abnormal edges.
4158
4159         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4160         (fpscr_set_from_mem): Use them.
4161         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4162         (fpscr postinc splitters): Rewrite as peephole2+split.
4163
4164 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4165
4166         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4167         (eq<mode>_compare): Same.
4168
4169 2005-10-06  Richard Guenther  <rguenther@suse.de>
4170
4171         PR tree-optimization/24238
4172         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4173
4174 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4175
4176         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4177         here.  Use AC_PATH_PROG for environment variables instead of
4178         test -x.
4179         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4180         objdump also.
4181         * configure: Regenerated.
4182
4183 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4184
4185         PR target/23783
4186         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4187         then force it into a register.
4188         (call_value): Likewise.
4189
4190 2005-10-06  Richard Henderson  <rth@redhat.com>
4191
4192         PR 24049
4193         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4194         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4195         under pass_vectorize.
4196
4197 2005-10-05  Devang Patel  <dpatel@apple.com>
4198
4199         PR Debug/23205
4200         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4201         handling constants. Check NAMESPACE_DECL context for constants.
4202
4203 2005-10-05  Eric Christopher  <echristo@apple.com>
4204
4205         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4206
4207 2005-10-05  Richard Henderson  <rth@redhat.com>
4208
4209         PR 23714
4210         * tree-cfg.c (mark_array_ref_addressable_1): New.
4211         (mark_array_ref_addressable): New.
4212         * tree-flow.h (mark_array_ref_addressable): Declare.
4213         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4214
4215 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4216
4217         PR middle-end/20606
4218         PR middle-end/24069
4219         * reload.c (subst_reloads): When adding a REG_LABEL to a
4220         jump instruction, also update JUMP_LABEL.
4221
4222 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4223
4224         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4225         * bb-reorder.c (copy_bb_p): Use it.
4226         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4227
4228 2005-10-05  Richard Henderson  <rth@redhat.com>
4229
4230         PR target/23602
4231         * toplev.c (process_options): Warn about unsupported combinations
4232         of unwind tables and omit-frame-pointer.
4233         * config/i386/i386.c (override_options): Similarly.  Enable
4234         accumulate-outgoing-args if not explicitly disabled.
4235
4236 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4237
4238         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4239         Handle big endian vs. small endian.
4240         (vec_initv2sf): Handle big endian vs. small endian.
4241         (*vec_extractv2sf_1): Ditto.
4242
4243 2005-10-05  Dale Johannesen  <dalej@apple.com>
4244
4245         * convert.c (convert_to_real):  Don't convert
4246         (float)floor(double d) to floorf((float)d).
4247
4248 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4249
4250         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4251
4252 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4253
4254         PR tree-optimization/18587
4255         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4256         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4257         build_vuses): Change to VEC type.
4258         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4259         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4260         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4261         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4262         (get_name_decl): New.  Return DECL_UID of base variable.
4263         (operand_build_cmp): New.  qsort comparison routine.
4264         (operand_build_sort_virtual): New.  Sort virtual build vector.
4265         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4266         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4267         (FINALIZE_BASE): Use get_name_decl.
4268         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4269         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4270         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4271         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4272         direct VEC_* manipulations.
4273         (build_ssa_operands): Call operand_build_sort_virtual.
4274         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4275         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4276         with direct VEC_* manipulations.
4277         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4278         with direct VEC manipulations.
4279
4280 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4281
4282         PR tree-optimization/21419
4283         PR tree-optimization/24146
4284         PR tree-optimization/24151
4285
4286         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4287         (build_asm_expr): Call it if outputs are read-only.
4288         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4289
4290 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4291             Paolo Bonzini  <bonzini@gnu.org>
4292
4293         PR target/23809
4294
4295         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4296         enable the instructions and not just the built-ins.
4297         * doc/invoke.texi (x86 Options): Likewise.
4298
4299 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4300
4301         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4302
4303         * doc/invoke.texi (Option Summary): Correct spelling
4304         of -mmacosx-version-min.
4305
4306 2005-10-04  Devang Patel  <dpatel@apple.com>
4307
4308         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4309         real types.
4310
4311 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4312
4313         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4314         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4315
4316 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4317
4318         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4319         ("TE","tg"): New mode attributes.
4320         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4321         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4322         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4323         dword_mode and one for GPRmode.
4324
4325 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4326
4327         PR preprocessor/13726
4328         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4329         any comments passed in.
4330
4331 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4332
4333         * tree.c (annotate_with_file_line): Fix typo.
4334
4335 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4336
4337         PR ada/19382
4338         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4339         type used to access data in the inlined length == 1 case, use
4340         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4341         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4342
4343 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4344
4345         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4346         TARGET_SSE3 and only for TARGET_80387.
4347         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4348         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4349         Do not depend on TARGET_80387.
4350
4351 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4352
4353         * tree.c (last_annotated_node): Change type to location_t*.
4354         (annotate_with_file_line): Reflect the change of
4355         last_annotated_node type.
4356
4357 2005-10-04  Richard Guenther  <rguenther@suse.de>
4358
4359         PR c/23576
4360         * c-decl.c (grokdeclarator): Don't write to fields
4361         of error_mark_node.
4362
4363 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4364
4365         PR middle-end/23125
4366         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4367         register variables.
4368         * varasm.c (make_decl_rtl): If a register variable does not
4369         have a set user assmbler name, error out.
4370         Decode the asmspec is now name+1 bypassing '*'.
4371
4372 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4373
4374         PR tree-optimization/23049
4375         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4376         of a COND_EXPR is folded before calling fold on the whole rhs of a
4377         conditional assignment.
4378         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4379         document that a COND_EXPR may appear there.
4380
4381 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4382
4383         PR 23445
4384         * tree-vrp.c (extract_range_from_assert): If the new numeric
4385         range created out of the assertion contradicts the existing
4386         numeric range of the ASSERT_EXPR variable, make the new range
4387         varying.
4388
4389 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4390
4391         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4392         from T_REGS to FP register class.
4393
4394 2005-10-03  Richard Henderson  <rth@redhat.com>
4395
4396         PR 24135
4397         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4398         before creating a new one.
4399
4400 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4401
4402         * config/rs6000/t-aix43 (LDFLAGS): New.
4403         * config/rs6000/t-aix52 (LDFLAGS): New.
4404
4405 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4406
4407         * gimplify.c (find_single_pointer_decl_1): New static function.
4408         (find_single_pointer_decl): New static function.
4409         (internal_get_tmp_var): For a formal variable, set restrict base
4410         information if appropriate.
4411         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4412         return it.
4413         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4414         (DECL_GET_RESTRICT_BASE): Define.
4415         (SET_DECL_RESTRICT_BASE): Define.
4416         (decl_restrict_base_lookup): Declare.
4417         (decl_restrict_base_insert): Declare.
4418         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4419         * tree.c (restrict_base_for_decl): New static variable.
4420         (init_ttree): Initialize restrict_base_for_decl.
4421         (copy_node_stat): Copy restrict base information.
4422         (decl_restrict_base_lookup): New function.
4423         (decl_restrict_base_insert): New function.
4424         (print_restrict_base_statistics): New static function.
4425         (dump_tree_statistics): Call print_restrict_base_statistics.
4426
4427 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4428
4429         PR 24142
4430         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4431         case of anti-ranges.
4432
4433 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4434
4435         PR c/18851
4436         * c-typeck.c (tagged_tu_seen): Rename to ...
4437         (tagged_tu_seen_cache): this and add val field.
4438         (comptypes): Move functional to comptypes_internal
4439         and free tagged_tu_seen.
4440         (comptypes_internal): New function and call comptypes_internal
4441         instead of comptypes. Speed up by sibcalling
4442         tagged_types_tu_compatible_p.
4443         (alloc_tagged_tu_seen): New function
4444         (free_all_tagged_tu_seen_up_to): New function.
4445         (tagged_types_tu_compatible_p): Return the val of the seen two
4446         types.
4447         Add that the two types are the same to tagged_tu_seen_base
4448         if they are and call comptypes_internal instead of comptypes.
4449         <case UNION_TYPE>: Speed up common type where the fields are
4450         in the same order.
4451         (function_types_compatible_p): Call comptypes_internal instead of
4452         comptypes.
4453         (type_lists_compatible_p): Likewise.
4454         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4455
4456 2005-10-02  Matthias Klose  <doko@debian.org>
4457
4458         * doc/invoke.texi: Fix typo and speling error.
4459
4460 2005-10-01  Richard Henderson  <rth@redhat.com>
4461
4462         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4463
4464 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4465
4466         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4467         using --start-group and --end-group.
4468
4469 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4470
4471         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4472         FIXME note regarding quirky semantics.
4473
4474 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4475
4476         PR 24141
4477         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4478         non-null range as a last resort.
4479
4480 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4481             Diego Novillo  <dnovillo@redhat.com>
4482
4483         PR 23604
4484         * tree-vrp.c (extract_range_from_assert): For !=
4485         assertions, only build an anti-range if LIMIT is a
4486         single-valued range.
4487
4488 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4489
4490         * arm.md (movqi): On thumb when optimizing, handle loading from
4491         memory by describing this as taking a subreg of a zero-extended load
4492         into an SImode register.
4493         (movhi): Likewise.
4494
4495 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4496
4497         * reload1.c (merge_assigned_reloads): Do not change any
4498         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4499
4500 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4501
4502         * Makefile.in (LIPO_FOR_TARGET): Define.
4503         (STRIP_FOR_TARGET): Define.
4504
4505         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4506         before creating new ones.  Do symlinks before creating the actual
4507         targets.
4508
4509         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4510         to work out which multilibs are actually being built.
4511
4512 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4513
4514         * tree-vect-transform.c, config/ms1/ms1.md,
4515         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4516         Follow spelling conventions.
4517         * doc/invoke.texi, doc/md.texi: Fix typos.
4518
4519 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4520
4521         PR tree-optimization/21430
4522         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4523         use operands, and set stmt pointer if need be.
4524         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4525         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4526         present.
4527
4528 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4529
4530         PR middle-end/24053
4531         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4532
4533 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4534
4535         * optabs.c (expand_binop): Initialize first_pass_p.
4536
4537 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4538
4539         PR middle-end/24109
4540         * c-decl.c (c_write_global_declarations_1): If any
4541         wrapup_global_declaration_2 call returned true, restart the loop.
4542
4543 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4544
4545         Fix PR tree-optimization/24117
4546         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4547         before considering whether to use anyoffset.
4548
4549 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4550
4551         Revert this patch:
4552
4553         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4554
4555         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4556         to order operands.
4557         (swap_commutative_operands_with_target): New.
4558
4559 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4560
4561         PR c/21419
4562         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4563         read-only.
4564
4565 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4566
4567         PR tree-optimization/23911
4568         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4569         and IMAGPART_EXPR too.
4570
4571 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4572
4573         PR 17886
4574         * expmed.c (expand_shift): Move logic to reverse rotation
4575         direction when  rotating by constants ...
4576         * optabs.c (expand_binop): ... here.
4577         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4578         (ix86_rotrdi3): New pattern.
4579         (rotldi3): Handle 32-bit mode.
4580         (ix86_rotldi3): New pattern.
4581
4582 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4583
4584         PR target/24102
4585         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4586         check for numbers that need no bit twiddle.
4587
4588 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4589
4590         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4591         multilib to be built.
4592
4593         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4594         (stage1-start): Delete old libgcc and libunwind before moving
4595         anything into the stage directory.
4596         (stage2-start): Likewise.
4597         (stage3-start): Likewise.
4598         (stage4-start): Likewise.
4599         (stageprofile-start): Likewise.
4600         (stagefeedback-start): Likewise.
4601         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4602         header in tm_file and CPU-specific t-darwin in tmake_file.
4603         (i[34567]86-*-darwin*): Don't change tm_file.
4604         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4605         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4606         shared library stub for target OS version.
4607         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4608         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4609         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4610         (libgcc_s.%.dylib): New.
4611         (LIBGCC): Define.
4612         (install-darwin-libgcc-stubs): New.
4613         (INSTALL_LIBGCC): New append.
4614         * config/i386/darwin-libgcc.10.4.ver: New.
4615         * config/i386/darwin-libgcc.10.5.ver: New.
4616         * config/i386/t-darwin: New.
4617         * config/rs6000/darwin-libgcc.10.4.ver: New.
4618         * config/rs6000/darwin-libgcc.10.5.ver: New.
4619         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4620         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4621
4622 2005-09-28  Paul Brook  <paul@codesourcery.com>
4623
4624         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4625         denormals.
4626
4627 2005-09-28  Richard Guenther  <rguenther@suse.de>
4628
4629         PR tree-optimization/23853
4630         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4631         host_integerp to verify misalignment value.
4632
4633 2005-09-28  Richard Henderson  <rth@redhat.com>
4634
4635         * builtins.c (get_builtin_sync_mode): New.
4636         (expand_builtin_sync_operation): Pass in mode argument.
4637         (expand_builtin_compare_and_swap): Likewise.
4638         (expand_builtin_lock_test_and_set): Likewise.
4639         (expand_builtin_lock_release): Likewise.
4640         (expand_builtin): Update to match.
4641
4642 2005-09-28  Nick Clifton  <nickc@redhat.com>
4643
4644         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4645         formatting.  Add check to PLUS case to ensure that the offset is
4646         within an acceptable range.
4647
4648         * config/v850/v850.md (casesi): Disable the generation of the
4649         switch pattern as it is not being handled properly at the moment.
4650
4651         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4652         for when the high words are identical.
4653
4654 2005-09-27  Richard Henderson  <rth@redhat.com>
4655
4656         * pretty-print.c (pp_base_format): Fix typo for %>.
4657
4658 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4659             Devang Patel  <dpatel@apple.com>
4660
4661         PR tree-optimization/23625
4662         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4663         LABEL_EXPR, assertion check.
4664
4665 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4666
4667         * optabs.c (no_conflict_move_test): Check if a result of a
4668         to-be-moved insn would be clobbered by an originally
4669         preceding insn.
4670
4671 2005-09-27  Jeff Law  <law@redhat.com>
4672
4673         * passes.c (init_optimization_passes): Replace copy propagation
4674         passes immediately after DOM with phi-only copy propagation
4675         pases.  Add phi-only copy propagation pass after first DOM pass.
4676         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4677         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4678         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4679         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4680         to init_copy_prop.  Callers updated.
4681         (do_phi_only_copy_prop): New function.
4682         (pass_phi_only_copy_prop): New pass descriptor.
4683
4684 2005-09-27  Nick Clifton  <nickc@redhat.com>
4685
4686         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4687
4688 2005-09-26  Jason Merrill  <jason@redhat.com>
4689
4690         PR c++/13764
4691         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4692
4693         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4694
4695 2005-09-26  James E Wilson  <wilson@specifix.com>
4696
4697         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4698         copyright.  Add gcc copyright plus libgcc exception.
4699         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4700         copyright.
4701         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4702
4703 2005-09-26  Jeff Law  <law@redhat.com>
4704
4705         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4706         about when to iterate.
4707
4708 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4709
4710         PR target/23847
4711         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4712         for __complex__ double in -mcpu=G5 mode.
4713
4714 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4715
4716         PR tree-optimization/23942
4717         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4718         * tree-scalar-evolution.c: Include params.h.
4719         (t_bool): New enum.
4720         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4721         follow_ssa_edge_in_condition_phi_branch,
4722         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4723         Change return type to t_bool.  Use a parameter to limit the size of
4724         trees that are walked before stopping
4725         (analyze_evolution_in_loop): Initialize the limit to 0.
4726         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4727         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4728
4729 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4730
4731         PR middle-end/23831
4732         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4733         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4734
4735 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4736
4737         * combine.c (make_extraction): Check for valid use of subreg.
4738
4739 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4740
4741         PR target/24055
4742         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4743         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4744         ("fist<mode>2_with_temp"): Use only register operands.
4745
4746 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4747
4748         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4749         CALL_INSN_FUNCTION_USAGE.
4750
4751 2005-09-26  Richard Guenther  <rguenther@suse.de>
4752
4753         PR middle-end/15855
4754         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4755         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4756         (ldst_entry): Use the hashtable instead of list-walking.
4757         (find_rtx_in_ldst): Likewise.
4758         (free_ldst_entry): Free the hashtable.
4759         (compute_ld_motion_mems): Create the hashtable.
4760         (trim_ld_motion_mems): Remove entry from hashtable if
4761         removing it from list.
4762         (compute_store_table): Likewise^2.
4763         (store_motion): Free hashtable in case we did not see
4764         any stores.
4765
4766 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4767
4768         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4769         and arg1 if we are passing them to fold_build2.
4770
4771 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4772
4773         PR 23828
4774         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4775         a nested function.
4776
4777 2005-09-25  Richard Henderson  <rth@redhat.com>
4778
4779         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4780         SYMBOL_REF_TLS_MODEL to be correct.
4781
4782 2005-09-24  Richard Henderson  <rth@redhat.com>
4783
4784         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4785         end of function.  Reindent.
4786
4787 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4788
4789         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4790         NEGATE_EXPR/BIT_NOT_EXPR case.
4791
4792 2005-09-24  Richard Henderson  <rth@redhat.com>
4793
4794         * c-common.c (handle_mode_attribute): When not modifying in place,
4795         create subtypes for enumerations.
4796         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4797         * gimplify.c (create_tmp_from_val): Likewise.
4798
4799 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4800
4801         * config/i386/i386.md (*tls_global_dynamic_64,
4802         *tls_local_dynamic_base_64): Add missing mode to call.
4803         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4804
4805 2005-09-24  Jan Hubicka  <jh@suse.cz>
4806
4807         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4808         (cgraph_clone_node): Likewise.
4809         * cgraph.h (cgraph_clone_edge): Update prototype.
4810         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4811         duplicated prototypes; add updating argument.
4812         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4813         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4814         updating profile.
4815         (cgraph_mark_inline_edge): Likewise.
4816         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4817         (cgraph_flatten_node): Likewise.
4818         (cgraph_decide_recursive_inlining): Likewise.
4819         (cgraph_decide_inlining_of_small_function): Likewise.
4820         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4821
4822 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4823             Pete Steinmetz <steinmtz@us.ibm.com>
4824
4825         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4826         (rldic.): Set type to "compare".
4827         (rldicr.): Same.
4828         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4829         mfjmpr for MFCTR/MFLR.
4830         (movdf_hardfloat64): Same.
4831         (movdf_softfloat64): Same.  Correct order of store and move types.
4832         (movti_string): Set type to store_ux/load_ux.
4833         (load_multiple): Set type to load_ux.
4834         (store_multiple): Set type to store_ux.
4835         (movmemsi): Set type to store_ux.
4836         (output_cbranch direct_return): Set type to jmpreg.
4837         (stmw): Set type to store_ux.
4838         (lmw): Set type to load_ux.
4839         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4840         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4841         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4842         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4843         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4844         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4845         (rios1-fpstore): Increase latency to 3.
4846         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4847         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4848
4849 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4850             Andrew Pinski  <pinskia@physics.uc.edu>
4851
4852         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4853         operand2 constraint to "b".
4854         (sync_<fetchop_name>di_internal): Same.
4855         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4856         to "b".
4857         (sync_old_<fetchop_name>di_internal): Same.
4858         (sync_new_<fetchop_name>si_internal): Same.
4859         (sync_new_<fetchop_name>di_internal): Same.
4860
4861 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4862
4863         PR middle-end/23991
4864         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4865         case, define as macros.
4866
4867         PR rtl-optimization/23837
4868         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
4869         clobber / clobber match between dest and p->first.
4870
4871         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4872         (no_conflict_move_test): Update comments.
4873
4874 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4875
4876         * doc/install.texi: Update URL for Jacks.
4877         * doc/sourcebuild.texi: Likewise.
4878
4879 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4880
4881         PR target/24007
4882         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4883         registers when choosing register preferences.
4884         (movdf_hardfloat64): Same.
4885
4886 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
4887
4888         * expmed.c (expand_shift): Don't use the target of the rotate as
4889         target for the first expanded shift insn.
4890         * testsuite/gcc.dg/20050922-1.c: Testcase added.
4891
4892 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
4893
4894         PR tree-optimization/22438
4895         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4896         preserved iv rhs rewriting specially.
4897
4898 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
4899
4900         * tree-data-ref.c (analyze_array_indexes): Only estimate when
4901         estimate_only  is true.
4902         * tree-flow.h (ref_contains_indirect_ref): New prototype.
4903         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4904         tree-ssa-structalias.c
4905         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4906         ref_contains_indirect_ref.
4907         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4908
4909 2005-09-21  DJ Delorie  <dj@redhat.com>
4910
4911         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4912         MASK_PTR_A0D0.
4913         (mn10300_return_in_memory): Support variable size types also.
4914         (mn10300_pass_by_reference): Likewise.
4915         (mn10300_function_value): New.
4916         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4917         (FUNCTION_OUTGOING_VALUE): Likewise.
4918         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4919         * doc/invoke.texi: Document it.
4920
4921 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
4922
4923         PR target/22585
4924         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4925         force integer op1 into register for XFmode compares.
4926
4927 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
4928
4929         PR middle-end/23971
4930         * expmed.c (alg_code): Add alg_impossible.
4931         (alg_hash_entry): Add cost.
4932         (synth_mult): Record alg_impossible in the hash table if
4933         multiplication by a given integer is impossble within the
4934         limit.  Speed up using alg_impossible.
4935
4936 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4937
4938         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4939         argument.  Allow and set any offset if needs_anyoffset is passed
4940         in.
4941         (get_constraint_for): Add argument here too.
4942         Pass it down.
4943         (do_structure_copy): Pass NULL to get_constraint_for.
4944         (handle_ptr_arith): Ditto.
4945         (find_func_aliases): Ditto.
4946
4947 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
4948
4949         PR rtl-optimization/23898
4950         * output.h (get_attr_min_length): Declare.
4951         * final.c (get_attr_length_1): New function, broken out of:
4952         (get_attr_length).
4953         (get_attr_min_length): New function.
4954         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4955         (duplicate_computed_gotos): Likewise.
4956         * genattr.c (insn_min_length): Generate declaration.
4957         * genattrtab.c (min_fn, min_attr_value): New functions.
4958         (make_length_attrs): Generate insn_min_length.
4959
4960 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
4961
4962         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4963
4964 2005-09-20  Richard Henderson  <rth@redhat.com>
4965
4966         PR tree-optimization/24059
4967         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4968         EXPAND_STACK_PARM.
4969
4970 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
4971
4972         * c.opt (fextended-identifiers): New.
4973         * c-opts.c (c_common_handle_option): Handle
4974         -fextended-identifiers.
4975         * doc/cpp.texi: Update documentation of extended identifiers.
4976         * doc/cppopts.texi (-fextended-identifiers): Document.
4977
4978 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
4979
4980         PR tree-optimization/23929
4981         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4982         if expr is NULL.
4983
4984         PR tree-optimization/23818
4985         * tree-stdarg.c (execute_optimize_stdarg): Call
4986         calculate_dominance_info.
4987
4988 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4989
4990         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4991         (analyze_siv_subscript_cst_affine): Add weak SIV test.
4992         (compute_overlap_steps_for_affine_1_2): Use
4993         get_number_of_iters_for_loop.
4994         (analyze_subscript_affine_affine): Check whether difference is
4995         zero first.
4996         Use get_number_of_iters_for_loop.
4997         Check whether overlap occurs outside of bounds.
4998         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4999
5000 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5001
5002         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5003         base register if possible.
5004
5005 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5006
5007         PR tree-optimization/18463
5008         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5009         converting it directly is not possible.
5010         (chrec_convert_aggressive): New function.
5011         * tree-chrec.h (chrec_convert_aggressive): Declare.
5012         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5013         Fold chrec conversions aggressively if asked to.
5014         (instantiate_parameters): Modified because of changes in
5015         instantiate_parameters_1.
5016
5017 2005-09-19  Richard Henderson  <rth@redhat.com>
5018
5019         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5020         (reduc_splus_v2df): New.
5021
5022 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5023
5024         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5025         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5026
5027 2005-09-19  Richard Henderson  <rth@redhat.com>
5028
5029         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5030         vcondu<SSEMODE12>.
5031
5032 2005-09-19  Richard Henderson  <rth@redhat.com>
5033
5034         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5035         (ia64_expand_dot_prod_v8qi): New.
5036         * config/ia64/ia64-protos.h: Update.
5037         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5038         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5039         sdot_prodv8qi, sdot_prodv4hi): New.
5040         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5041
5042 2005-09-19  Richard Henderson  <rth@redhat.com>
5043
5044         PR 23941
5045         * real.c (exact_real_truncate): Return false if the format cannot
5046         represent the number as a normal.
5047
5048         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5049         for a memory source.
5050
5051 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5052
5053         * tree-ssa-operands.c (swap_tree_operands): Export.
5054         * tree.h (swap_tree_operands): Declare.
5055         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5056         Call swap_tree_operands.
5057
5058 2005-09-19  Richard Henderson  <rth@redhat.com>
5059
5060         * tree-flow.h (merge_alias_info): Declare.
5061         * tree-ssa-copy.c (merge_alias_info): Export.
5062         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5063         (vect_create_data_ref_ptr): Use create_iv directly.
5064         (vectorizable_load): Use correct types for integer constants.
5065         (vect_generate_tmps_on_preheader): Likewise.
5066         (vect_gen_niters_for_prolog_loop): Likewise.
5067
5068 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5069
5070         PR rtl-optimization/23943
5071         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5072
5073 2005-09-18  Jan Hubicka  <jh@suse.cz>
5074
5075         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5076
5077 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5078
5079         * varasm.c (output_constant): Do not abort on conversions to union
5080         types between different sizes.
5081
5082 2005-09-18  Richard Guenther  <rguenther@suse.de>
5083
5084         PR middle-end/23944
5085         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5086         fallback.
5087
5088 2005-09-18  Paul Brook  <paul@codesourcery.com>
5089
5090         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5091
5092 2005-09-17  Richard Henderson  <rth@redhat.com>
5093
5094         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5095         * tree-ssa-loop.c (pass_vect_dce): Remove.
5096         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5097         of pass_vectorize.
5098
5099 2005-09-17  Richard Henderson  <rth@redhat.com>
5100
5101         * tree-pass.h (pass_vect_dce): Declare.
5102         * passes.c (init_optimization_passes): Add it.
5103         * tree-flow.h (tree_ssa_dce): Declare.
5104         * tree-ssa-dce.c (tree_ssa_dce): Export.
5105         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5106         (gate_tree_vectorize): ... here.
5107         (pass_vect_dce): New.
5108
5109 2005-09-17  Jan Hubicka  <jh@suse.cz>
5110
5111         * except.c (struct eh_status): Turn region_array into vec.
5112         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5113         convert_from_eh_region_ranges, find_exception_handler_labels,
5114         current_function_has_exception_handlers, assign_filter_values,
5115         build_post_landing_pads, dw2_build_landing_pads,
5116         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5117         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5118         foreach_reachable_handler, can_throw_internal_1,
5119         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5120         region_array.
5121         (duplicate_eh_region_1): Update region_array.
5122         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5123
5124 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5125
5126         PR middle-end/22067
5127         * expmed.c (expand_mult): Substitute simple register for op0 when
5128         computing max_cost.
5129
5130 2005-09-17  Richard Henderson  <rth@redhat.com>
5131
5132         * expr.c (emit_move_via_integer): Add force argument, pass it on
5133         to emit_move_change_mode.  Update callers.
5134         (emit_move_complex): Pass true to new force argument.
5135         * function.c (expand_function_end): Move expand_eh_return call
5136         earlier.  Merge sub-word complex values into a pseudo before
5137         copying to the return hard register.
5138
5139 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5140
5141         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5142         between different sizes.
5143
5144 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5145
5146         PR 23903
5147
5148         * passes.c (init_optimization_passes): Register dump files for
5149         IPA passes first.
5150
5151 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5152
5153         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5154         * config/s390/s390.c (s390_overlap_p): New function.
5155         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5156         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5157         condition.
5158
5159 2005-09-16  Richard Guenther  <rguenther@suse.de>
5160
5161         * ipa-pure-const.c (static_execute): Free auxiliar information.
5162         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5163         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5164
5165 2005-09-15  DJ Delorie  <dj@redhat.com>
5166
5167         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5168
5169 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5170
5171         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5172         to order operands.
5173         (swap_commutative_operands_with_target): New.
5174
5175 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5176
5177         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5178         parameter.
5179         Update callers.
5180         (estimate_iters_using_array): New function.
5181         * tree-data-ref.h (estimate_iters_using_array): Prototype
5182         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5183         Use estimate_iters_using_array instead of analyze_array.
5184
5185 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5186
5187         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5188         as addressable.
5189
5190 2005-09-15  Michael Matz  <matz@suse.de>
5191
5192         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5193
5194 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5195
5196         PR tree-optimization/23835
5197         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5198         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5199
5200 2005-09-14  Richard Henderson  <rth@redhat.com>
5201
5202         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5203         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5204
5205 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5206
5207         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5208         in the ARRAY_TYPE case.
5209
5210 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5211
5212         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5213
5214 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5215
5216         PR middle-end/22480
5217         * tree-vect-transform.c (vectorizable_operation): Return false for
5218         scalar shift operations and for vector shift operations with
5219         non-invariant shift arguments.  Use scalar tree operand op1 as
5220         a shift operand when vector shift insn pattern uses scalar shift
5221         operand.
5222         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5223
5224 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5225
5226         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5227         value if it has side-effects.
5228
5229 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5230
5231         PR target/22068
5232         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5233
5234 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5235
5236         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5237         passed as NAME as if it were label at start of function code.
5238
5239 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5240
5241         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5242         the constraints.
5243
5244 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5245
5246         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5247         as early clobber.  Rewrite so the PIC register is not implicitly used.
5248
5249 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5250
5251         * tree.c (annotate_with_file_line): Compare line numbers before
5252         file names.
5253
5254 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5255
5256         PR target/23816
5257         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5258         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5259
5260 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5261
5262         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5263         than a HOST_WIDEST_INT to gen_doloop_begin.
5264
5265 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5266
5267         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5268
5269 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5270
5271         PR tree-optimize/23817
5272         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5273
5274 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5275
5276         PR target/23774
5277         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5278         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5279         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5280         (restore_stack_nonlocal): Likewise.
5281         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5282
5283 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5284
5285         PR g++/7874
5286         * c.opt (ffriend-injection): New C++ option.
5287         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5288         (C++ Dialect Options): Document -ffriend-injection.
5289
5290 2005-09-12  Josh Conner  <jconner@apple.com>
5291
5292         PR middle-end/23237
5293         * ipa-reference.c (static_execute): Don't mark variables in
5294         named sections TREE_READONLY.
5295
5296 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5297
5298         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5299         stack_tie.
5300
5301 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5302
5303         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5304         V_MUST_DEF instead of just the first_use_p.
5305         Don't mark the virtual variables for renaming on the statement which
5306         is being removed.
5307         (pass_dse): Remove TODO_update_ssa.
5308
5309 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5310
5311         PR middle-end/23290
5312         * stor-layout.c (compute_record_mode): For records with a single
5313         field, actually check the field's mode size against the type size.
5314
5315         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5316         registers for TARGET_SHMEDIA.
5317         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5318         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5319         of GENERAL_REGS and FP_REGS.
5320
5321 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5322
5323         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5324
5325 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5326
5327         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5328         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5329         are omitted.  Exclude stack_tie insn too.
5330
5331 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5332
5333         PR rtl-optimization/23098
5334         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5335         0.0f is easy.
5336         * config/rs6000/rs6000.md (movdf splitter): Use
5337         const_double_operand predicate for TARGET_POWERPC64.
5338         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5339         SYMBOL_REF method to ABI_V4.
5340
5341         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5342         replace_equiv_address.
5343         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5344         rs6000_sr_alias_set and MEM_NOTRAP.
5345         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5346
5347 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5348
5349         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5350         handle CALL_EXPR again.
5351
5352 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5353
5354         * arm/predicates.md (alignable_memory_operand): Delete.
5355
5356 2005-09-10  Richard Henderson  <rth@redhat.com>
5357
5358         PR debug/23806
5359         * dbxout.c (dbxout_expand_expr): New.
5360         (dbxout_symbol): Use it.
5361
5362 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5363
5364         * arm.c (arm_gen_rotated_half_load): Delete.
5365         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5366         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5367         (thumb_set_return_address): Likewise.
5368         (thumb_load_double_from_address): Use adjust_address.
5369         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5370         (extendhsisi2_mem, movhi_bytes): Use change_address.
5371         (movhi): Use widen_memory_access.
5372         (reload_out_df): Use replace_equiv_address.
5373         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5374
5375 2005-09-09  Richard Henderson  <rth@redhat.com>
5376
5377         PR debug/20998
5378         * dbxout.c: Include expr.h.
5379         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5380         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5381         * Makefile.in (dbxout.o): Add EXPR_H.
5382
5383 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5384
5385         PR tree-optimization/23509
5386         * tree-cfg.c (replace_uses_by): Use replace_exp.
5387         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5388         pointers have name_mem_tag or type_mem_tag set.
5389
5390 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5391
5392         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5393         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5394         of wrongly accessing operands.
5395
5396 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5397
5398         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5399         * tree-chrec.c: Include tree-scalar-evolution.h.
5400         (chrec_convert): Instantiate the base and step before calling
5401         scev_probably_wraps_p that would fail on parametric evolutions.
5402         Collect all the fails into a single section failed_to_convert,
5403         print a diagnostic, and return chrec_dont_know instead of calling
5404         fold_convert.
5405         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5406         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5407         phi nodes.
5408         (scev_const_prop): Don't replace the definition of a loop closed ssa
5409         phi node by itself, or by another loop closed ssa phi node.
5410         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5411         that base and step are defined.
5412
5413 2005-09-09  Richard Guenther  <rguenther@suse.de>
5414
5415         PR c++/23624
5416         * fold-const.c (fold_ternary): Check truth_value_p before
5417         calling invert_truthvalue.
5418
5419 2005-09-09  Nick Clifton  <nickc@redhat.com>
5420
5421         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5422         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5423         dimension of these arrays.
5424         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5425         these arrays.
5426         * longlong.h: Only provide a prototype for the __clz_tab[] array
5427         if this header has not been included from libgcc2.h.
5428         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5429         defining own types.
5430         Provide prototypes for exported functions.
5431         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5432         libgcc2.c.
5433
5434 2005-09-08  Josh Conner  <jconner@apple.com>
5435
5436         PR c++/21135
5437         PR c++/23180
5438         * expr.c (expand_expr_addr_expr_1): Don't invoke
5439         expand_simple_binop for EXPAND_INITIALIZER.
5440
5441 2005-09-08  Richard Henderson  <rth@redhat.com>
5442
5443         PR debug/23190
5444         * toplev.c (wrapup_global_declaration_1): Split out ...
5445         (wrapup_global_declaration_2): ... from ...
5446         (wrapup_global_declarations): ... here.  Return bool.
5447         (check_global_declaration_1): Split out ...
5448         (check_global_declarations): from here.
5449         (emit_debug_global_declarations): New.
5450         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5451         check_global_declaration_1, emit_debug_global_declarations): Declare.
5452         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5453         of decls.  Call wrapup_global_declaration_1,
5454         wrapup_global_declaration_2, check_global_declaration_1 directly.
5455         (c_write_global_declarations_2): New.
5456         (ext_block): New.
5457         (c_write_global_declarations): Call c_write_global_declarations_2.
5458         * langhooks.c (write_global_declarations): Call
5459         emit_debug_global_declarations.
5460
5461         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5462         remove decls that have DECL_RTL_SET_P.
5463         * passes.c (rest_of_decl_compilation): Invoke
5464         cgraph_varpool_finalize_decl for all but functions.
5465
5466 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5467
5468         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5469         the result of a conversion if the new min and max cannot be compared.
5470
5471 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5472
5473         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5474         (override_options): Setting s390_sr_alias_set removed.
5475         (save_fpr, save_gprs): Set alias set to vararg or frame.
5476         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5477         s390_sr_alias_set with get_frame_alias_set ().
5478         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5479         get_varargs_alias_set ().
5480
5481 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5482
5483         PR objc/20574
5484         PR objc/19324
5485         * c-parser.c (c_parser_objc_method_definition): If the next
5486         token is not "{", error out and don't start the function.
5487
5488 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5489
5490         * tree-vrp.c (extract_range_from_expr): Move the check for non
5491         nullness after the check for gimple invariant.
5492
5493 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5494
5495         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5496
5497 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5498
5499         PR target/23747
5500         * config/m32r.md (movmemsi_internal): Canonicalize order of
5501         operands in PLUS component of template.
5502
5503 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5504
5505         * reload1.c (fixup_eh_region_note): Remove assertion.
5506         (fixup_abnormal_edges): Reverted removal of call to
5507         find_many_sub_basic_blocks made on 2005-08-31.
5508
5509 2005-09-07  Richard Henderson  <rth@redhat.com>
5510
5511         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5512         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5513         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5514         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5515         rearrange for better packing.
5516         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5517         (lookup_cfa_1): Remove inline marker.
5518         (cfa_equal_p): Split out of ...
5519         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5520         (build_cfa_loc): Handle !cfa->indirect.
5521         (frame_pointer_cfa_offset): New.
5522         (dbx_reg_number): Assert register elimination performed; do
5523         leaf register remapping.
5524         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5525         (eliminate_reg_to_offset): New.
5526         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5527         for verifiably local stack frame addresses; re-base to CFA.
5528         (mem_loc_descriptor): Remove can_use_fbreg argument.
5529         (concat_loc_descriptor, loc_descriptor): Likewise.
5530         (containing_function_has_frame_base): Remove.
5531         (rtl_for_decl_location): Don't do register elimination or
5532         leaf register remapping here.
5533         (secname_for_decl): Split out from ..
5534         (add_location_or_const_value_attribute): ... here.
5535         (convert_cfa_to_loc_list): New.
5536         (compute_frame_pointer_to_cfa_displacement): New.
5537         (gen_subprogram_die): Use them.
5538         * tree.h (frame_base_decl): Remove.
5539         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5540         (prologue_stack_adjust): Remove.
5541         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5542         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5543         (set_frame_base_location): Remove.
5544         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5545         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5546         (vt_add_function_parameters): Don't eliminate_regs.
5547         (vt_initialize): Don't create frame_base_decl.
5548
5549 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5550
5551         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5552         version of GNU binutils for 4.x and later.
5553
5554 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5555
5556         * ggc-page.c (ggc_push_context): Remove.
5557         (ggc_pop_context): Likewise.
5558         * ggc.h (ggc_push_context): Remove.
5559         (ggc_pop_context): Likewise.
5560
5561 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5562
5563         PR target/8973
5564         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5565         returning from an interrupt handler.
5566
5567 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5568
5569         PR target/8972
5570         * config/arc/arc.c (output_shift): Add check for loop count when
5571         optimizing.
5572
5573 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5574
5575         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5576         form manually.
5577         (abs_replacement): Likewise.
5578         (pass_phiopt): Remove TODO_update_ssa.
5579
5580 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5581
5582         PR c/23075
5583         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5584         if "return with no value, in function returning non-void" warning
5585         has been issued.
5586         * tree-cfg.c (execute_warn_function_return): Don't look at
5587         RETURN_EXPRs with TREE_NO_WARNING set.
5588
5589         PR target/22362
5590         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5591         for internal functions doesn't use registers used by global registers
5592         variables.  Use fewer register parameters if there are global register
5593         variables.
5594
5595 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5596             Eric Botcazou  <ebotcazou@adacore.com>
5597
5598         PR middle-end/14997
5599         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5600         when we would be extracting outside its bit span (bitpos+bitsize
5601         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5602         Ada unchecked conversions.
5603
5604 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5605
5606         * tree-ssa-pre.c (try_look_through_load): New function.
5607         (compute_avail): Use it to try to look through loads for some
5608         more useful expressions.
5609
5610 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5611
5612         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5613         condition for detecting cases like (a&a) and (a^a).
5614
5615 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5616
5617         * common.opt: Add option ftree-vect-loop-version.
5618         * params.def: Add --param vect-max-version-checks.
5619         * doc/invoke.texi: Document ftree-vect-loop-version and
5620         --param vect-max-version-checks.
5621         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5622         may_misalign_stmts and defines for accessors.
5623         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5624         LOOP_VINFO_MAY_MISALIGN_STMTS.
5625         (destroy_loop_vec_info): VEC_free for
5626         LOOP_VINFO_MAY_MISALIGN_STMTS.
5627         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5628         Update documentation.
5629         (vect_update_misalignment_for_peel): New.
5630         (vect_enhance_data_refs_alignment): Update to choose loop
5631         peeling or loop versioning if appropriate for the (potentially)
5632         unaligned data references in the loop.
5633         (vect_analyze_data_refs_alignment): Remove call to
5634         vect_enhance_data_refs_alignment so the checks can be done
5635         earlier.
5636         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5637         and move up call to vect_analyze_data_refs_alignment.
5638         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5639         (vect_transform_loop): Add call to loop_version.
5640
5641 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5642
5643         PR rtl-optimization/23098
5644         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5645         * simplify-rtx.c (constant_pool_reference_p): New function.
5646         * rtl.h (constant_pool_reference_p): New prototype.
5647         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5648         constant_pool_reference_p in condition and
5649         avoid_constant_pool_reference in preparation statements.
5650
5651 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5652
5653         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5654         STRICT_LOW_PART SETs.
5655
5656 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5657
5658         PR middle-end/21460
5659         * except.c (sjlj_emit_function_enter): Find the function begin
5660         note even when it's not in first basic block.
5661
5662 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5663
5664         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5665         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5666         * aclocal.m4: Regenerate.
5667
5668 2005-09-05  DJ Delorie  <dj@redhat.com>
5669
5670         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5671         of macro.
5672
5673 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5674
5675         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5676         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5677         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5678         Follow spelling conventions.
5679         * doc/invoke.texi: Follow spelling conventions.
5680
5681 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5682
5683         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5684         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5685         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5686
5687 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5688
5689         PR target/23683
5690         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5691         (output_stack_adjust): Use gen_tmp_stack_mem.
5692         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5693         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5694         (sh_get_pr_initial_val): Likewise.
5695         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5696         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5697         * sh.md (divsi_inv_m0): Use gen_const_mem.
5698         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5699         (movdf_i4+1): Use gen_tmp_stack_mem.
5700         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5701         (fpu_switch+2): Likewise.
5702         (movv4sf_i, movv16sf_i): Use adjust_address.
5703         (symGOT_load): Set MEM_NOTRAP_P bit.
5704
5705 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5706
5707         PR target/23721
5708         * pa.c (emit_move_sequence): Fix typo in last change.
5709
5710 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5711
5712         PR rtl-optimization/23454
5713         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5714         is true.
5715
5716 2005-09-03  Richard Henderson  <rth@redhat.com>
5717             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5718
5719         PR middle-end/23671
5720         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5721         gen_rtx_MEM.
5722
5723 2005-09-02  Nicolas Pitre <nico@cam.org>
5724
5725         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5726         to bit_count to 32 bits.
5727
5728 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5729
5730         PR c++/23167
5731         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5732         generating synthetic loads from volatile lvalues.
5733
5734 005-09-02  Nick Clifton  <nickc@redhat.com>
5735
5736         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5737         __ctzhi2, __clzhi2): New functions.
5738
5739 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5740
5741         PR middle-end/23547
5742         * tree-nested.c (struct var_map_elt): Mark with GTY.
5743         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5744         var_map_elt.
5745         (lookup_field_for_decl): Allocate new element in GC memory.
5746         (lookup_tramp_for_decl): Likewise.
5747         (convert_nl_goto_reference): Likewise
5748         (create_nesting_tree): Allocate info in GC memory. Likewise for
5749         info->var_map.
5750         (free_nesting_tree): Free with ggc_free instead of free.
5751         (root): New static variable.
5752         (lower_nested_functions): Remove root as local variable.  And zero out
5753         root at the end of the function.
5754
5755 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5756
5757         PR rtl-optimization/20365
5758         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5759         to short.  New member ix.
5760         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5761         (simplify_plus_minus): Initialize ix members before calling qsort.
5762
5763 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5764
5765         PR tree-optimization/23626
5766         * tree-cfg.c (replace_uses_by): Clean up eh info.
5767
5768 2005-09-01  DJ Delorie  <dj@redhat.com>
5769
5770         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5771         fprintf.
5772
5773 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5774
5775         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5776         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5777         gen_rtx_MEM.
5778
5779 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5780
5781         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5782         do not issue warning for a variable definition following
5783         a declaration.
5784
5785 2005-09-01  Richard Henderson  <rth@redhat.com>
5786
5787         PR 23668
5788         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5789         conversion to CONST_VECTOR.
5790
5791 2005-09-01  Richard Henderson  <rth@redhat.com>
5792
5793         PR 23676
5794         * reload1.c (reload_as_needed): Check !CALL_P before calling
5795         fixup_eh_region_note.
5796         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5797
5798 2005-09-01  DJ Delorie  <dj@redhat.com>
5799
5800         * varasm.c (output_constant): Let the target resolve
5801         conversions of addresses to non-default pointer sizes.
5802
5803 2005-09-01  Nicolas Pitre <nico@cam.org>
5804
5805         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5806         to alow matching ARM pre-indexed addressing mode.
5807         (arm_override_options): Remove now irrelevant comment.
5808
5809 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5810
5811         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5812         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5813         * config/i386/vxworks.h:  Likewise.
5814         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5815         * config/i386/vxworksae.h:  Likewise.
5816
5817 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5818
5819         PR tree-optimization/23410
5820         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5821         sequence is not wrapping during the first step.
5822
5823 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5824
5825         PR debug/7241
5826         * dwarf2out.c (base_type_die): Compare char_type_node with
5827         TYPE_MAIN_VARIANT (type), not type.
5828
5829 2005-09-01  Richard Guenther  <rguenther@suse.de>
5830
5831         PR tree-optimization/15366
5832         * common.opt: Add -finline-functions-called-once.
5833         Put -fearly-inlining in alphabetically ordered place.
5834         * doc/invoke.texi: Document new option.
5835         * ipa-inline.c (cgraph_decide_inlining): Honour
5836         flag_inline_functions_called_once.
5837
5838 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5839
5840         PR rtl-optimization/23478
5841         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5842         (alloc_qty): Initialize it.
5843         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5844         (combine_regs): Combine also n_throwing_calls_crossed fields.
5845         (find_free_reg): Don't attempt to caller-save pseudos crossing
5846         calls that might throw.
5847         * global.c (struct allocno): Add throwing_calls_crossed field.
5848         (global_alloc): Revert 2005-08-22 change.  Initialize
5849         throwing_calls_crossed.
5850         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5851         might throw.
5852
5853 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5854
5855         PR target/23649
5856         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5857         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5858         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5859         (and64_2_operand): Tweak to use predicate.
5860         (and_operand): Adjust for mask_operand changes.
5861         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5862         (print_operand): Likewise.
5863         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5864         (mask64_1or2_operand): Delete.
5865         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5866         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5867         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5868         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5869         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5870         (rotldi3_internal4): Likewise.
5871         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5872         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5873         (ashldi3_internal7): Likewise.
5874         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5875         (ashldi3_internal, ashldi3_internal9 split): Likewise.
5876         (anddi3 split): Don't match mask64_operand.
5877         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
5878         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
5879         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5880         't' splitter predicate.
5881         (movdi_internal64 + 2): Revert 2005-06-11 change.
5882
5883 2005-08-31  DJ Delorie  <dj@redhat.com>
5884
5885         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5886         (m32c_asm_integer): Add support for 32 bit pointers.
5887
5888 2005-08-31  Richard Henderson  <rth@redhat.com>
5889
5890         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5891         component-like references for setting MEM_NOTRAP_P.
5892
5893         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5894         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5895
5896 2005-08-31  Richard Henderson  <rth@redhat.com>
5897
5898         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5899         into a pseudo before applying gen_lowpart.
5900
5901 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
5902
5903         * doc/install.texi (Specific): Update cctools version required
5904         for full functionality.
5905         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5906         linkers as -macosx_version_min.
5907
5908 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
5909
5910         PR target/21255
5911         * sh.c (print_operand, %R and %S): Add handling of floating point
5912         registers, memory, constants and invalid operands.
5913
5914 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
5915
5916         * ipa-pure-const.c: Change dump name.
5917
5918 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5919
5920         PR target/23570
5921         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5922         to "reg_or_0_operand".
5923         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5924
5925 2005-08-31  Dale Johannesen  <dalej@apple.com>
5926
5927         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
5928         loops that count down.
5929
5930 2005-08-31  Richard Henderson  <rth@redhat.com>
5931
5932         PR rtl-opt/23601
5933         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5934         (fixup_eh_region_note): New.
5935         (reload_as_needed): Call it.
5936         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5937         don't call find_many_sub_basic_blocks; call verify_flow_info.
5938         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5939         (keep_stack_depressed): Likewise.
5940         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5941
5942 2005-08-31  Richard Henderson  <rth@redhat.com>
5943
5944         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5945         fp return matching.
5946
5947 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
5948
5949         * expr.c (expand_expr_real_1): Compare size of address
5950         mode to target's address mode size in deciding expansion of
5951         the constant address.
5952
5953 2005-08-31  Richard Guenther  <rguenther@suse.de>
5954
5955         PR middle-end/23477
5956         * expr.c (all_zeros_p): New function.
5957         (expand_expr_real_1): Handle the case of an all-zero
5958         non-addressable constructor separately.
5959
5960 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
5961
5962         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5963         arguments, adjust all callers.
5964         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5965
5966 2005-08-30  Richard Henderson  <rth@redhat.com>
5967
5968         PR target/23630
5969         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5970         whenever the mode sizes match.
5971
5972 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
5973
5974         * calls.c (load_register_parameters): Fix comment typo.
5975         * expr.c (emit_push_insn): Comment formatting.
5976
5977 2005-08-30  Ian Lance Taylor  <ian@airs.com>
5978
5979         * config/i386/x-cygwin (host-cygwin): Change dependency from
5980         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5981
5982 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
5983
5984         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5985         parts of 'vals'.
5986
5987 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
5988
5989         PR middle-end/23408
5990         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5991         call to ggc_collect.
5992
5993 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
5994
5995         PR bootstrap/21268
5996         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5997         beginning.  Remove $(INCLUDES) from all the rules, if following
5998         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5999
6000 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6001
6002         PR middle-end/23484
6003         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6004         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6005         not constant, but maxlen is, don't set len to maxlen, rather
6006         set maxlen to len if len is a constant.
6007
6008 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6009
6010         PR tree-optimization/23475
6011         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6012         and counts.
6013
6014 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6015
6016         Fix PR middle-end/22455
6017
6018         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6019         Checksum only the parts of the tree that exist for the tree code.
6020
6021 2005-08-28  Dale Johannesen  <dalej@apple.com>
6022
6023         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6024
6025 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6026
6027         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6028
6029 2005-08-28  Richard Henderson  <rth@redhat.com>
6030
6031         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6032         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6033         of char_type_node.
6034
6035 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6036
6037         PR ada/23593
6038         * builtins.c (get_memory_rtx): Don't strip nops
6039         in between COMPONENT_REFs.
6040
6041 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6042
6043         PR middle-end/23463
6044         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6045         types.
6046         (gimplify_modify_expr): Check for zero sized types and gimplify the
6047         rhs and lhs as statements.
6048
6049 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6050
6051         PR libgcj/23508
6052         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6053         state for return address column of signal frames.
6054
6055 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6056
6057         PR target/23539
6058         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6059         bytes >= 2 not bytes == 2.
6060         (expand_block_move): Same.
6061
6062 2005-08-27  Richard Guenther  <rguenther@suse.de>
6063
6064         PR target/23575
6065         * config/i386/sse.md (sse2_movsd): Add missing closing
6066         braces.
6067
6068 2005-08-27  Paul Brook  <paul@codesourcery.com>
6069
6070         * genrecog.c (enum decision_type): Add DT_num_insns.
6071         (struct decision_test): Add u.num_insns.
6072         (add_to_sequence): Add DT_num_insns test.
6073         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6074         (write_cond, debug_decision_2): Ditto.
6075         (change_state): Assume peep2_next_insn never fails.
6076         Remove "afterward" argument.
6077         (write afterward, write_tree): Update to match.
6078         * recog.c (peep2_current_count): New variable.
6079         (peep2_next_insn): Check it.
6080         (peephole2_optimize): Set peep2_current_count.
6081         * recog.h (peep2_current_count): Declare.
6082
6083 2005-08-26  Josh Conner  <jconner@apple.com>
6084
6085         PR middle-end/23584
6086         * ipa-pure-const.c (check_tree): Check for volatile-ness
6087         when considering a dereference.
6088
6089 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6090
6091         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6092
6093 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6094
6095         PR rtl-optimization/23561
6096         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6097         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6098         at most LEN bytes long memory fits into the field.
6099         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6100         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6101         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6102
6103 2005-08-26  Richard Henderson  <rth@redhat.com>
6104
6105         PR rtl-opt/23560
6106         * loop.c (biased_biv_may_wrap_p): New.
6107         (maybe_eliminate_biv_1): Use it to suppress non-equality
6108         comparison transformations.  Delete disabled code.
6109
6110 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6111
6112         * combine.c (make_extraction): Avoid reference outside object.
6113
6114 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6115
6116         * stor-layout.c (finalize_type_size): Restore behaviour for
6117         non-aggregate types to the status quo ante of the patch for
6118         pr 23467.  Document why it matters.
6119
6120 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6121
6122         PR c/23506
6123         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6124         array by one element, initialize the BT_LAST element with NULL.
6125
6126 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6127
6128         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6129         optimizing for size.
6130         (plus_eqsi): Same.
6131         (compare_plus_eqsi): Same.
6132         (plus_eqsi_compare): Same.
6133         (neg_eq0<mode>): Same.
6134         (neg_eq<mode>): Same.
6135
6136         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6137         PROCESSOR_POWER4.
6138
6139 2005-08-26  Nick Clifton  <nickc@redhat.com>
6140
6141         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6142         TARGET_EP is not defined.
6143         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6144         TARGET_EP is enabled.
6145         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6146         * config/v850/v850.md (save_all_interrupt): Only use the EP
6147         register if TARGET_EP is defined.
6148         (restore_all_interrupt): Likewise.
6149         * config/v850/lib1funcs.asm: Update functions so that the EP
6150         register is only used if __EP__ is defined.
6151
6152 2005-08-26  David Ung  <davidu@mips.com>
6153
6154         * config/mips/mips.c (mips_expand_prologue): Handle case when
6155         generating for MIPS16 and the outgoing argument area is more than
6156         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6157         add instruction.
6158
6159 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6160
6161         * config/crx/crx.md: Make doloop_end pattern usage controllable
6162         via mloop-nesting=<max-nesting> command line switch. Make sure
6163         the combiner cannot use doloop_end_<mode> in an illegal way.
6164         * config/crx/crx.c: Use regs up to r6 for argument passing.
6165         Refine crx_address_cost (non cst4 displacements are expensive).
6166         * config/crx/crx.opt: Add switch for mloop-nesting=.
6167
6168 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6169
6170         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6171         (UNSPEC_MVST): New constant.
6172
6173 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6174
6175         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6176         Reject operands containing eliminable registers.
6177         * testsuite/gcc.dg/20050825-1.c: New testcase.
6178
6179 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6180             Jan Hubicka  <jh@suse.cz>
6181
6182         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6183
6184 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6185
6186         PR tree-optimization/23546
6187         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6188         and REAL_CST nodes.
6189
6190 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6191
6192         * params.def (PARAM_MIN_SPEC_PROB): New.
6193         * sched-rgn.c (MIN_PROBABILITY): Delete.
6194         (compute_trg_info): Convert to PARAM_VALUE.
6195         * doc/invoke.texi (param): Document min-spec-prob.
6196
6197 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6198
6199         * config/darwin.h: define __PIC__
6200         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6201         TARGET_OS_CPP_BUILTINS macro.
6202
6203 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6204
6205         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6206         yesterday.
6207
6208 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6209
6210         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6211         to duplicate_block.
6212         * cfghooks.c (duplicate_block): Added position where to place
6213         new block as argument.
6214         * cfghooks.h (duplicate_block): Declaration changed.
6215         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6216         duplicate_block.
6217         * cfglayout.h (copy_bbs): Declaration changed.
6218         * cfgloop.h (loop_version): Declaration changed.
6219         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6220         position to copy_bbs.
6221         (loop_version): Pass position to duplicate_loop_to_header_edge.
6222         Add place_after argument and position new blocks according to
6223         it.
6224         * modulo-sched.c (sms_schedule): Pass place_after argument
6225         to loop_version.
6226         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6227         * tree-cfg.c (split_edge_bb_loc): New function.
6228         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6229         to determine position of new blocks.
6230         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6231         to loop_version.
6232         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6233         argument to duplicate_block.
6234         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6235         Pass position to copy_bbs.
6236
6237 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6238
6239         * fold-const.c (ptr_difference_const): Use
6240         cst_and_fits_in_hwi instead of host_integerp.
6241
6242 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6243
6244         * config/darwin.c (gen_pic_offset): New.
6245         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6246         Use it.
6247
6248 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6249
6250         PR tree-optimization/23486
6251         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6252
6253 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6254
6255         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6256         remove use_collect2.
6257         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6258
6259         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6260         configuration files to override the default value.
6261
6262         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6263         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6264         * config/vx-common.h:  New file, split out from...
6265         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6266         * config/vxworksae.h:  New file, for VxWorks AE.
6267         * config/vxworks.opt:  New file.
6268         * config/vxlib.c:  Update for VxWorks 6.
6269
6270         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6271         other MULTILIB_* variables appropriately.
6272         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6273         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6274         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6275         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6276
6277 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6278
6279         PR target/20799
6280         * config/darwin.c (machopic_select_section): Remove the hack to
6281         mark "::operator new" and "::operator delete" for coalescing
6282         even though they are not weak.
6283
6284 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6285
6286         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6287         * configure: Regenerate.
6288
6289 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6290
6291         PR middle-end/23517
6292         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6293         between vectors.
6294         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6295         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6296         Likewise.
6297
6298 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6299
6300         * config/rs6000/predicates.md (equality_operator): New.
6301         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6302         comparison with a large constant.
6303
6304 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6305
6306         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6307
6308 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6309
6310         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6311         registers is even, and we have a hardware double precision fp,
6312         align the buffer.
6313         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6314         size of current argument when checking if argument was passed in
6315         registers.
6316
6317         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6318
6319         PR middle-end/23467
6320         * stor-layout.c (finalize_type_size): Dont override
6321         existing alignment with a smaller alignment from the mode.
6322
6323 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6324
6325         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6326         * lambda.h (lambda_vector_lexico_pos): ... here.
6327         * tree-data-ref.c (build_classic_dist_vector): Return false when
6328         the distance vector is lexicographically negative.
6329
6330 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6331
6332         PR tree-optimization/23511
6333         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6334         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6335
6336 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6337
6338         PR tree-optimization/22043
6339         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6340         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6341         If ALLOW_FLEXARR, handle types ending with flexible array member.
6342         Pass false as second argument to recursive count_type_elements calls.
6343         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6344         argument to count_type_elements call.
6345         * tree-sra.c (decide_block_copy): Likewise.
6346         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6347         for a constant-sized object, set cleared as well.  Pass true as
6348         second argument to count_type_elements call.
6349
6350 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6351
6352         PR target/21571
6353         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6354         from legitimate_small_data_p, and make global.  Update use.
6355         Remove forward declaration.
6356         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6357         Declare.
6358         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6359
6360 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6361
6362         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6363         of scratch intermediates.
6364         (eq<mode>_compare): Same.
6365         (neg_eq0<mode>): New.
6366         (neg_eq<mode>): Convert to define_insn_and_split.
6367
6368 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6369
6370         PR target/23070
6371         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6372         stdarg functions, set/clear the fp marker even when no variable
6373         args are passed.
6374         * config/rs6000/sysv4.opt (mprototype): Describe.
6375
6376 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6377
6378         PR rtl-optimization/23478
6379         * regs.h (reg_info): Add throw_calls_crossed.
6380         (REG_N_THROWING_CALLS_CROSSED): Define.
6381         * flow.c (allocate_reg_life_data): Initialize
6382         REG_N_THROWING_CALLS_CROSSED.
6383         (propagate_one_insn, attempt_auto_inc): Update
6384         REG_N_THROWING_CALLS_CROSSED.
6385         * global.c (global_alloc): Don't allocate pseudos across
6386         calls that may throw.
6387
6388 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6389
6390         PR c/18715
6391         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6392         value is inbetween the range if we did not find an exact match.
6393
6394 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6395
6396         * doc/invoke.texi (Option Summary): Add ms1 options.
6397         * doc/extend.texi: Document interrupt handler attribute for ms1.
6398         * doc/md.texi: Document ms1 constraints.
6399         * config.gcc: Add ms1-*-elf.
6400         * config/ms1/ms1.h: New.
6401         * config/ms1/ms1.c: New.
6402         * config/ms1/ms1.md: New.
6403         * config/ms1/ms1-protos.h: New.
6404         * config/ms1/ABI.txt: New.
6405         * config/ms1/crti.asm: New.
6406         * config/ms1/crtn.asm: New.
6407         * config/ms1/lib2extra-funcs.c: New.
6408         * config/ms1/t-ms1: New.
6409         * config/ms1/ms1.opt: New.
6410
6411 2005-08-22 Ira Rosen <irar@il.ibm.com>
6412
6413         * config/rs6000/altivec.md (xorv4sf3): New.
6414         (negv4sf2, neg<mode>2): Likewise.
6415
6416 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6417
6418         PR target/23485
6419         * config/ia64/ia64.md (divsi3): Check divide by zero.
6420         (udivsi3): Likewise.
6421         (divdi3): Likewise.
6422         (udivdi3): Likewise.
6423
6424 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6425
6426         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6427         up to elem_bitsize bits, not max_bitsize.
6428
6429 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6430
6431         PR tree-optimization/23433
6432         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6433         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6434
6435 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6436
6437         PR tree-optimization/23434
6438         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6439         the iteration bound is not an INTEGER_CST.
6440
6441 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6442
6443         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6444         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6445         NULL if need_epilog_adjust is false.
6446         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6447         Case 3 always peels first itration, not just for PLUS case, and no need
6448         to use scalar_initial_def here. Create an epilog adjustment only if
6449         scalar_initial_def is not NULL.
6450
6451         (vectorizable_reduction): Remove assert.
6452
6453 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6454
6455         PR target/23485
6456         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6457         (__moddi3): Likewise.
6458         (__udivdi3): Likewise.
6459         (__umoddi3): Likewise.
6460         (__divsi3): Likewise.
6461         (__modsi3): Likewise.
6462         (__udivsi3): Likewise.
6463         (__umodsi3): Likewise.
6464
6465 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6466
6467         * tree-pass.h (TDF_GRAPH): Define.
6468         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6469         * passes.c (finish_optimization_passes): Only call
6470         finish_graph_dump_file if TDF_GRAPH is set.
6471         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6472         NULL.  Set TDF_GRAPH bit.
6473         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6474
6475 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6476
6477         * arm.h (arm_stack_offsets): Add locals_base field.
6478         * arm.c (arm_get_frame_offsets): Compute it.
6479         (thumb_compute_initial_elimination offset): Make the Thumb frame
6480         pointer point to the base of the local variables.
6481         (thumb_expand_prologue): Update accordingly.
6482         (thumb_expand_epilogue): Likewise.
6483
6484         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6485         mode of clobbered scratch to DImode.  Handle a case that's known to
6486         need this.
6487
6488 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6489
6490         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6491         (gt0<mode>_compare): Delete.
6492         (neg_gt0<mode>): Delete.
6493
6494 2005-08-19  Eric Christopher  <echristo@apple.com>
6495
6496         * optabs.h: Change CTI_ to COI_.
6497         * optabs.c: Ditto.
6498
6499 2005-08-19  James E Wilson  <wilson@specifix.com>
6500
6501         * builtins.c (expand_builtin_return_addr): Set
6502         current_function_accesses_prior_frames when count != 0.  Use
6503         frame_pointer_rtx when count == 0.
6504         * function.h (struct function): Add accesses_prior_frames field.
6505         (current_function_accesses_prior_frames): Define.
6506         * reload1.c (init_elim_table): Check
6507         current_function_accesses_prior_frames.
6508         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6509
6510 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6511
6512         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6513         indicator.  Return true if the flowgraph changed during
6514         cleanup.
6515
6516 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6517
6518         PR 23476
6519         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6520         conditional expression before testing its value.
6521
6522 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6523
6524         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6525
6526 2005-08-19  Devang Patel  <dpatel@apple.com>
6527
6528         PR tree-optimization/23048
6529         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6530         third parameter. Check whether latch is dominated by exit
6531         block or not.
6532         (if_convertible_loop_p): Supply exit block itself to
6533         if_convertible_bb_p.
6534
6535 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6536
6537         PR target/23473
6538         * arm.md (arm_load_pic_register): Change argument to the mask of
6539         saved registers.  Call thumb_find_work_register if we need a
6540         scratch register on Thumb.
6541         (arm_expand_prologue): Pass empty register set to
6542         arm_load_pic_register.
6543         (thumb_expand_prologue): Pass live_regs_mask directly to
6544         arm_load_pic_register.
6545         * arm-protos.h (arm_load_pic_register): Update prototype.
6546
6547 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6548
6549         * sh.c (find_sole_member): New function.
6550         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6551         if the record's alignment is larger than the size of its only member.
6552
6553 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6554
6555         PR target/23436
6556         * arm.c (thumb_legitimize_reload_address): New function.
6557         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6558         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6559
6560 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6561
6562         * config/crx/crx.c: Implement crx_decompose_address. Reject
6563         symbolic displacements since CRX register relative adressing
6564         mode can't handle unsigned 32-bit values as displacements.
6565         * config/crx/crx.h: Simplify definitions, remove redundant
6566         parenthesis and obsolete macros.
6567         * config/crx/crx.opt: Add new switch for debugging addresses.
6568         * config/crx/crx-protos.h: Add new declarations for above.
6569
6570 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6571
6572         PR middle-end/20624
6573         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6574         looking past it.
6575
6576 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6577
6578         * collect2.c (dup2): Delete.
6579         * configure.ac: Don't check for dup2.
6580
6581         * config.in, configure: Regenerate.
6582
6583 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6584
6585         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6586         record with the type of its only member.
6587
6588 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6589
6590         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6591         define_insn_and_split.
6592         (plus_ltu<mode>_compare): Same.
6593         (gtu<mode>_compare): Same.
6594         (plus_gtu<mode>_compare): Same.
6595
6596 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6597
6598         PR tree-optimization/22228
6599         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6600         todo_flags_start.
6601         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6602         are recorded in vect_vnames_to_rename for renaming.
6603         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6604         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6605         in vect_vnames_to_rename.
6606         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6607         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6608
6609 2005-08-18  Jan Hubicka  <jh@suse.cz>
6610
6611         PR c++/22034
6612         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6613         info only for local statics, not for member variables.
6614
6615 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6616
6617         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6618
6619 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6620
6621         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6622
6623 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6624
6625         PR middle-end/16045
6626         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6627
6628 2005-08-17  James E Wilson  <wilson@specifix.com>
6629
6630         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6631         array size check.
6632
6633 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6634
6635         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6636         (leu<mode>_compare): Same.
6637         (plus_leu<mode>): Same.
6638         (neg_leu<mode>): Same.
6639         (and_neg_leu<mode): Same.
6640         (ltu<mode>_compare): Same.
6641         (plus_ltu<mode>): Same.
6642         (geu<mode>): Same.
6643         (geu<mode>_compare): Same.
6644         (plus_geu<mode>): Same.
6645         (neg_geu<mode>): Same.
6646         (and_neg_geu<mode>): Same.
6647         (plus_gt<mode>): Same.
6648         (gtu<mode>_compare): Same.
6649         (plus_gtu<mode>): Same.
6650
6651 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6652
6653         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6654         Move call_table_data to end.  Delete spurious .text.
6655         (callt_save_all_interrupt): Fix comment typo.
6656
6657 2005-08-17  James E Wilson  <wilson@specifix.com>
6658             Kevin Winchester  <winchester@amirix.com>
6659
6660         PR target/21684
6661         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6662
6663 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6664
6665         PR target/23268
6666         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6667         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6668
6669 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6670
6671         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6672         record with the type of its only member if the modes don't match.
6673
6674         * varasm.c (decode_reg_name): Skip empty additional register names.
6675
6676 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6677
6678         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6679         lsm_tmp_name_length): New.
6680         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6681         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6682
6683 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6684             Andreas Krebbel  <krebbel1@de.ibm.com>
6685
6686         * config.gcc: Added z9-109 switch.
6687         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6688         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6689         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6690         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6691         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6692         for "z9_109" cpu attribute.
6693         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6694         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6695         (s390_handle_arch_option): Added z9-109 switch.
6696         (override_options): Set respective cost function for z9-109.
6697         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6698         (legitimate_reload_constant_p): Accept extended immediates.
6699         (print_operand): Three new output modifiers added: k, m and o.
6700         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6701         (s390_output_mi_thunk): Use extended immediate when possible.
6702         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6703         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6704         (CONSTRAINT_LEN): Added length of O constraint.
6705         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6706         * config/s390/s390.md ("cpu"): New value z9_109 added.
6707         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6708         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6709         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6710         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6711         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6712         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6713         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6714         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6715         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6716         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6717         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6718         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6719         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6720         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6721         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6722         immediates.
6723         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6724         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6725         insns for TARGET_EXTIMM.
6726
6727 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6728
6729         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6730
6731 2005-08-17  Nick Clifton  <nickc@redhat.com>
6732
6733         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6734         Call default_encode_section_info.
6735
6736 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6737
6738         PR tree-optimization/21574
6739         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6740         constant, return CONSTANT.
6741         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6742         (ccp_fold, visit_assignment): Likewise.
6743         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6744
6745 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6746
6747         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6748         fold_buildN instead of buildN then fold_initializer or fold.
6749         (build_unary_op): Likewise.
6750         (build_binary_op): Likewise.
6751         * fold-const.c (fold_initializer): Remove.
6752         (fold_build1_initializer): New function.
6753         (fold_build2_initializer): New function.
6754         (fold_build3_initializer): New function.
6755         * tree.h (fold_initializer): Remove.
6756         (fold_build1_initializer): New function.
6757         (fold_build2_initializer): New function.
6758         (fold_build3_initializer): New function.
6759
6760 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6761
6762         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6763         (try_move_mult_to_index): Call fold_build2 instead of build2.
6764         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6765         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6766         fold_binary_to_constant.
6767         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6768         fold (build.
6769         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6770         check if A == gcd (A, B).  Remove TYPE argument.
6771         (analyze_offset) Use fold_build2 instead of fold (build.
6772         (create_data_ref): Likewise.
6773         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6774         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6775         then fold.
6776
6777 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6778
6779         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6780         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6781
6782 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6783
6784         PR tree-opt/23402
6785         * gimplify.c (zero_sized_type): New function.
6786         (gimplify_modify_expr_rhs): If we have a zero sized type,
6787         replace the statement with an empty statement.
6788
6789 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6790
6791         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6792         fxsave.
6793
6794 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6795
6796         * doc/tm.texi (Label Output): Correct typo.
6797
6798 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6799
6800         PR target/23376
6801         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6802         force_operand will work later on using have_insn_for.
6803
6804 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6805
6806         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6807
6808 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6809
6810         PR c++/23337
6811         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6812         vector type, don't try to construct it element by element.  Add an
6813         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6814
6815 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6816
6817         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6818
6819 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6820
6821         * doc/invoke.texi (Precompiled Headers): Document some more options
6822         which are known to be safe.
6823
6824 2005-08-16  James E Wilson  <wilson@specifix.com>
6825
6826         PR tree-optimization/21105
6827         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6828         TREE_OVERFLOW check.
6829
6830 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6831
6832         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6833         (neg_ltu<mode>): Same.
6834         (gtu<mode>): Same.
6835         (neg_gtu<mode>): Same.
6836
6837 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6838
6839         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6840         (fold_builtin_isdigit): Use fold_buildN.
6841         (build_function_call_expr): Likewise.
6842         * c-typeck.c (c_finish_loop): Likewise.
6843
6844 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6845             Richard Shann <rshann@superh.com>
6846
6847         PR middle-end/20396:
6848         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6849
6850 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6851
6852         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6853
6854 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6855
6856         PR target/23355
6857         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6858         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6859         must be saved.
6860
6861 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6862
6863         PR middle-end/23369
6864         * fold-const.c (build_range_check): Disable optimization for function
6865         pointer expressions on targets that require function pointer
6866         canonicalization.
6867
6868 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
6869
6870         * simplify-rtx.c (simplify_const_relational_operation): When
6871         extracting arguments of a COMPARE, recompute the mode as well.
6872
6873 2005-08-15  Ian Lance Taylor  <ian@airs.com>
6874
6875         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6876
6877 2005-08-15  DJ Delorie  <dj@redhat.com>
6878
6879         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6880         the stack.
6881         (movsi_splittable): Allow, but split, moves to the stack.
6882         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6883         stack.
6884
6885 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6886
6887         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6888         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6889         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6890
6891         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6892         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6893         Delete HOST_PTR_PRINTF.
6894
6895         * configure, config.in: Regenerate.
6896
6897 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
6898
6899         * config/rs6000/rs6000.md (QHSI): New mode macro.
6900         (wd): Extend mode attr for QImode and HImode
6901         (dbits): New mode attr.
6902         (zero_extend<mode>di2): Convert to mode macro.
6903
6904 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
6905
6906         PR target/21841
6907         * doc/invoke.texi (-mgnu-ld): Update description.
6908         (-mhp-ld): Ditto.
6909
6910 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6911
6912         PR 23391
6913         * Makefile.in (tree-chrec.o): Depends on real.h.
6914         * tree-chrec.c: Include real.h.
6915         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6916         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6917         * tree-scalar-evolution.c (add_to_evolution_1,
6918         interpret_rhs_modify_expr): Ditto.
6919
6920 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6921
6922         PR 23386
6923         * tree-data-ref.c (estimate_niter_from_size_of_data): When
6924         step is negative compute the estimation from init downwards to zero.
6925
6926 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
6927
6928         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6929
6930 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6931
6932         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6933         constraint.
6934         (legitimate_reload_constant_p): Fix handling of lliXX operands.
6935         Accept double-word constants that can be split.
6936         * config/s390/s390.md ("movti"): Use 'P' constraint.
6937         ("*movdi_31", "*movdf_31"): Likewise.
6938
6939 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
6940
6941         Fix PR tree-optimization/22615
6942
6943         * tree-ssa-structalias.c (solution_set_add): Handle
6944         first_vi_for_offset returning NULL.
6945         (do_da_constraint): Ditto.
6946         (do_sd_constraint): Ditto.
6947         (do_ds_constraint): Ditto
6948         (find_func_aliases): Ditto.
6949         (build_constraint_graph): RHS is allowed be ANYTHING.
6950         (first_vi_for_offset): Return NULL if we couldn't find anything at
6951         the offset.
6952
6953 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6954
6955         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6956         over memory as first operand.
6957
6958 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
6959
6960         PR target/23360
6961         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6962         available for setting it.
6963
6964 2005-08-14  Ira Rosen  <irar@il.ibm.com>
6965
6966         PR tree-optimization/23320
6967         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6968         data-refs' types instead of base object nullness. Add check for
6969         pointer type data-refs before first location comparison. Remove
6970         assert.
6971
6972 2005-08-14  Andreas Schwab  <schwab@suse.de>
6973
6974         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6975
6976 2005-08-13  James E Wilson  <wilson@specifix.com>
6977
6978         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6979         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6980         -fstack-protector-all, --param ssp-buffer-size): Document.
6981         (-Wvariadic-macros): Alphabetize.
6982         (-fsched-stalled-insns-dep): Add missing 'f'.
6983
6984         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6985         macros.
6986
6987 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
6988
6989         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6990         or indirect address operand.
6991         (EXTRA_ADDRESS_CONSTRAINT): New.
6992         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6993
6994 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
6995
6996         PR tree-optimization/22236
6997         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6998         successors and predecessors.
6999         * tree-chrec.c (chrec_convert): Before converting, check that
7000         sequences don't wrap.
7001         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7002         (analyze_array): Extern.
7003         (find_data_references_in_loop): Remove call to
7004         compute_estimated_nb_iterations.
7005         * tree-data-ref.h (analyze_array): Declared.
7006         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7007         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7008         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7009         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7010         condition.
7011         * tree-ssa-loop-ivcanon.c: Fix documentation.
7012         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7013         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7014         (infer_loop_bounds_from_undefined): New.
7015         (estimate_numbers_of_iterations_loop): Use
7016         infer_loop_bounds_from_undefined.
7017         (used_in_pointer_arithmetic_p): New.
7018         (scev_probably_wraps_p): Pass an extra parameter.  Call
7019         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7020         (convert_step): Fix documentation.
7021         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7022         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7023         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7024         scev_probably_wraps_p.
7025
7026 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7027
7028         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7029         (s390_register_info): Ignore clobbered_regs information for fixed
7030         registers, and only fixed registers.
7031         (s390_init_frame_layout): Remove redundant call.
7032
7033 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7034
7035         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7036         description of -Wold-style-casts.
7037
7038 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7039             Jakub Jelinek  <jakub@redhat.com>
7040
7041         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7042         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7043         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7044         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7045         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7046         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7047         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7048         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7049         ("stack_protect_set", "stack_protect_test"): New expanders.
7050         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7051         "stack_protect_testdi"): New insn definitions.
7052
7053 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7054
7055         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7056
7057 2005-08-12  Paul Brook  <paul@codesourcery.com>
7058
7059         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7060
7061 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7062
7063         * config/s390/predicates.md (setmem_operand): New predicate.
7064         (shift_count_operand): Accept ANDs with special constants as
7065         operand.
7066         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7067         with special constants.
7068         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7069         shift_count_operand with setmem_operand.
7070
7071 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7072
7073         * config/s390/s390.c (s390_extract_part, s390_single_part):
7074         Type cast added.
7075         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7076         (s390_output_mi_thunk): Don't use lg on 31 bit.
7077         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7078         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7079
7080 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7081
7082         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7083         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7084         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7085         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7086         with one of the new macros.
7087
7088 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7089
7090         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7091         Don't set save_return_addr_p.
7092         (s390_register_info): Make clobbered_regs not depending on
7093         save_return_addr_p.
7094
7095 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7096
7097         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7098         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7099
7100 2005-08-11  James E. Wilson  <wilson@specifix.com>
7101
7102         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7103
7104 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7105
7106         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7107         locations gathered by var-tracking in single entry loc_list
7108         over loc_descriptor_from_tree.
7109
7110         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7111         pass it down to loc_descriptor.
7112         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7113         (containing_function_has_frame_base): Move earlier in the file.
7114         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7115         instead of always assuming fbreg can't be used.
7116
7117 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7118
7119         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7120         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7121         Accept address wrapped in AND for Altivec.
7122         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7123         Strip AND wrapping offset address for Altivec.
7124
7125 2005-08-11  Richard Henderson  <rth@redhat.com>
7126
7127         PR middle-end/23312
7128         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7129         before using TYPE_IS_SIZETYPE.
7130
7131 2005-08-11  Richard Henderson  <rth@redhat.com>
7132
7133         PR target/22225
7134         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7135         insn types not present on ev4.
7136         (alphaev5_insn_pipe): Similarly.
7137
7138 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7139
7140         PR target/23250
7141         * arm.c (arm_override_options): If the user has selected callee-super-
7142         interworking, then enable normal interworking.
7143
7144 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7145
7146         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7147         redefinition.
7148
7149 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7150
7151         * doc/rtl.texi: Fix two typos.
7152
7153 2005-08-11  Richard Guenther  <rguenther@suse.de>
7154
7155         PR target/23289
7156         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7157         cases where we call to/from functions returning void.
7158
7159 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7160
7161         PR c++/23225
7162         * tree.c (build_pointer_type_for_mode): Robustify.
7163
7164 2005-08-10  James E Wilson  <wilson@specifix.com>
7165
7166         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7167         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7168
7169         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7170         "cum->".
7171
7172 2005-08-10  Eric Christopher  <echristo@apple.com>
7173
7174         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7175         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7176         V2DFmode.
7177
7178 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7179
7180         PR target/21887
7181         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7182         for the high part when generating dynamic-no-pic code.
7183
7184 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7185
7186         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7187         (x86_64-*-linux*): Likewise.
7188
7189         * config/i386/crtfastmath.c: New file.
7190         * config/i386/t-crtfm: Likewise.
7191
7192         * config/i386/linux.h (ENDFILE_SPEC): New.
7193         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7194
7195         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7196         crtfastmath.o.
7197
7198 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7199
7200         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7201         (vec_shl, vec_shr): Document new operations.
7202         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7203
7204 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7205
7206         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7207         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7208         change predicate to indexed_or_indirect_address.
7209
7210 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7211
7212         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7213         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7214         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7215         and __aeabi_uwrite8.
7216         * config/arm/unaligned-funcs.c: New file.
7217         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7218
7219 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7220
7221         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7222         Add dump.
7223         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7224         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7225         Add dump.
7226         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7227         * final.c (pass_shorten_branches): Add dump.
7228         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7229         (pass_life): Rename dump.
7230         (rest_of_handle_flow2): Remove initial verify_flow_info.
7231         * function.c (pass_instantiate_virtual_regs): Add dump.
7232         * integrate.c (pass_initial_value_sets): Add dump.
7233         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7234         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7235         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7236         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7237         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7238         gate_rtl_unrool_and_peel_loops): New.
7239         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7240         rtl_doloop): Do not look at flags.
7241         * mode-switching.c (pass_mode_switching): Add dump.
7242         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7243         pass_split_before_regstack): Add dump.
7244         * regmove.c (pass_stack_adjustments): Add dump.
7245         * tree-optimize.c (pass_fixup_cfg): Add dump.
7246
7247 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7248
7249         PR 23309
7250         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7251         deciding which instruction sequence to use.
7252
7253 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7254
7255         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7256         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7257
7258 2005-08-09  Richard Guenther  <rguenther@suse.de>
7259
7260         * c-common.c (builtin_function_2): Remove.
7261         (def_builtin_1): New function.
7262         (c_common_nodes_and_builtins): Use def_builtin_1 to
7263         build builtin functions.
7264
7265 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7266
7267         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7268         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7269         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7270         Visual DSP.
7271
7272 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7273
7274         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7275         fold_binary instead of fold_build2 since we don't care about the
7276         resulting tree.
7277         (loop_niter_by_eval): Likewise.
7278         (compare_trees): Likewise.
7279         (proved_non_wrapping_p): Likewise.
7280
7281 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7282
7283         PR c/23161
7284         PR c/23165
7285         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7286         if the if is really empty.
7287
7288 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7289
7290         PR tree-optimization/23234
7291         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7292         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7293         argument of the new enum.
7294         (execute_cse_reciprocals): Add reciprocals for function arguments
7295         on the unique successor edge of the entry block.  Update other calls
7296         to execute_cse_reciprocals_1.
7297
7298 2005-08-08  Richard Henderson  <rth@redhat.com>
7299
7300         PR 22439
7301         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7302
7303 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7304
7305         * expr.c (write_complex_part): Return after handling MEM.
7306
7307 2005-08-08  Josh Conner  <jconner@apple.com>
7308
7309         PR rtl-optimization/23241
7310         * combine.c (simplify_comparison): Fix error in determining
7311         whether to lift a subreg from comparison.
7312
7313 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7314
7315         PR target/18506
7316         * config/rs6000/altivec.md (vec_init<mode>): New.
7317         (vec_set<mode>): New.
7318         (vec_extract<mode>): New.
7319         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7320         (rs6000_expand_vector_set): New.
7321         (rs6000_expand_vector_extract): New.
7322         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7323         for Altivec modes before reload.
7324         (altivec_expand_vec_init_builtin): New.
7325         (get_element_number): New.
7326         (altivec_expand_vec_set_builtin): New.
7327         (altivec_expand_vec_ext_builtin): New.
7328         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7329         builtins.
7330         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7331         builtins.
7332         * config/rs6000/rs6000.h (rs6000_builtins): Add
7333         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7334         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7335         * config/rs6000/rs6000-protos.h: Declare new functions.
7336
7337 2005-08-08  Jan Hubicka  <jh@suse.cz>
7338
7339         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7340         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7341         * i386.md (movdi*): Use pic_32bit_operand.
7342         * predicates.md (pic_32bit_operand): New.
7343
7344 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7345
7346         PR c++/21166
7347         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7348
7349 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7350
7351         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7352         (test_for_singularity): Use fold_build2.
7353
7354 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7355
7356         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7357
7358 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7359
7360         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7361         (COMMON_ASM_OP) Define.
7362         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7363         (ix86_encode_section_info): Likewise.
7364         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7365         SUBTARGET_ENCODE_SECTION_INFO.
7366
7367 2005-08-06  Richard Henderson  <rth@redhat.com>
7368
7369         PR 21894
7370         * tree-nested.c (convert_local_reference): Save and restore val_only
7371         around component_ref and friends.  Clear walk_subtrees by default.
7372
7373 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7374
7375         PR 21366
7376         * gcc.c (process_command): Check the argument to -b has a dash.
7377         * doc/invoke.texi: Update -b and -V docs.
7378
7379 2005-08-06  James E Wilson  <wilson@specifix.com>
7380
7381         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7382
7383 2005-08-06  Michael Matz  <matz@suse.de>
7384
7385         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7386         member only if only one insn is associated with the value.
7387
7388 2005-08-06  Nick Clifton  <nickc@redhat.com>
7389
7390         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7391         New define.
7392         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7393         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7394         Check symbol flags instead of symbol name mangling.
7395         (xstormy16_asm_output_aligned_common): Likewise.  Also
7396         simplify code since the bss100_section cass is the only case
7397         where the below100 code will be triggered.
7398         (xstormy16_encode_section_info): Encode below100 attribute
7399         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7400         the name.
7401         (xstormy16_strip_name_encoding): Delete - this function is no
7402         longer needed.
7403         (TARGET_STRIP_NAME_ENCODING): Undefine.
7404         * config/stormy16/stormy16-protos.h: Delete prototype for
7405         xstormy16_strip_name_encoding.
7406
7407 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7408
7409         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7410         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7411         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7412         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7413         config/alpha/predicates.md, config/arc/arc.h,
7414         config/arm/arm.h, config/arm/ieee754-df.S,
7415         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7416         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7417         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7418         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7419         config/m68hc11/m68hc11.h, config/mips/mips.c,
7420         config/mips/mips.h, config/mips/openbsd.h,
7421         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7422         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7423         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7424         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7425         config/sparc/linux.h, config/sparc/linux64.h,
7426         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7427         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7428         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7429         typos.  Follow spelling conventions.
7430
7431 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7432
7433         PR c/23113
7434         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7435         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7436         specially.  Check for side effects only for COND_EXPR.
7437         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7438         return with TREE_NO_WARNING.
7439
7440 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7441
7442         PR rtl-optimization/23233
7443         * loop.c (combine_movables): Require the modes to be the same.
7444         (move_movables): Remove handling of cases where the replacement
7445         had a different mode to the original.
7446
7447 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7448
7449         PR tree-optimization/23128
7450         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7451         subtraction wrap, and set TREE_OVERFLOW if they do.
7452
7453 2005-08-05  Richard Henderson  <rth@redhat.com>
7454
7455         PR 21728
7456         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7457         FORCED_LABEL labels.
7458
7459 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7460
7461         PR middle-end/23135
7462         * reload.c (find_reloads_subreg_address): Pass down TYPE
7463         unchanged.  Change all callers except find_reloads_toplev.
7464
7465 2005-08-05  Michael Matz  <matz@suse.de>
7466
7467         * genattrtab.c (current_alternative_string): Remove.
7468         (SIMPLIFY_ALTERNATIVE): Ditto.
7469         (attr_alt_bit_p): Ditto.
7470         (alternative_name): Make const char *.
7471         (evaluate_eq_attr): Remove use of above things.
7472         (simplify_test_exp): Ditto.
7473         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7474         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7475
7476 2005-08-04  James E Wilson  <wilson@specifix.com>
7477
7478         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7479         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7480         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7481         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7482         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7483
7484 2005-08-04  Richard Henderson  <rth@redhat.com>
7485
7486         PR 21529
7487         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7488         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7489         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7490         if we'd have to instantiate too many members.
7491
7492 2005-08-04  Richard Henderson  <rth@redhat.com>
7493
7494         PR 21291
7495         * tree-outof-ssa.c (coalesce_asm_operands): New.
7496         (coalesce_ssa_name): Use it.  Split out ...
7497         (coalesce_phi_operands, coalesce_result_decls): ... these.
7498
7499 2005-08-04  Paul Brook  <paul@codesourcery.com>
7500
7501         * read-rtl.c (read_quoted_string): Break if EOF.
7502
7503 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7504
7505         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7506         (fold_build2): Likewise.
7507         (fold_build3): Likewise.
7508         (fold_build1_stat): New function prototype.
7509         (fold_build2_stat): Likewise.
7510         (fold_build3_stat): Likewise.
7511         * fold-const.c (fold_build1): Rename to ..
7512         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7513         through to build1_stat.
7514         (fold_build2): Rename to ..
7515         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7516         through to build2_stat.
7517         (fold_build3): Rename to ..
7518         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7519         through to build3_stat.
7520
7521 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7522             Ian Lance Taylor  <ian@airs.com>
7523
7524         * function.c (assign_stack_local_1): Do not correct stack slot
7525         address if allocation size is smaller than mode size.
7526
7527 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7528
7529         PR 22037
7530         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7531         (tree_merge_blocks): Propagate anything allowed by
7532         may_propagate_copy.
7533         Clarify documentation.
7534         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7535         SSA form, schedule an update if necessary.
7536
7537 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7538
7539         * doc/install.texi (Binaries): Remove broken link to
7540         Sinix/Reliant Unix binaries.
7541
7542 2005-08-03  Richard Henderson  <rth@redhat.com>
7543
7544         PR 23221
7545         * function.c (stack_protect_epilogue): Export.
7546         * tree.h (stack_protect_epilogue): Declare.
7547         * calls.c (expand_call): Call it.
7548
7549 2005-08-03  Eric Christopher  <echristo@apple.com>
7550
7551         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7552         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7553         spec.
7554
7555 2005-08-04  Jan Hubicka  <jh@suse.cz>
7556
7557         * profile.c (branch_prob): Split edges with goto locus on them
7558         to get proper line counts.
7559         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7560
7561 2005-08-03  Paul Brook  <paul@codesourcery.com>
7562
7563         * function.c (assign_parms): Round current_function_args_size
7564         to PARM_BOUNDARY, not STACK_BOUNDARY.
7565
7566 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7567
7568         * config/i386/i386.c (x86_elf_aligned_common)
7569         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7570
7571 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7572
7573         PR tree-optimization/23157
7574         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7575         before emitting them.
7576
7577 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7578
7579         PR tree-optimization/19899
7580         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7581         * tree-scalar-evolution.c: Include real.h.
7582         (add_to_evolution): Build constant -1 of correct type.
7583
7584 2005-08-03  Jan Hubicka  <jh@suse.cz>
7585
7586         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7587         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7588         profile updating for complette unrolling.
7589         * loop-unroll.c (peel_loop_completely): Use it.
7590         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7591         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7592         loops.
7593
7594 2005-08-03  Paul Brook  <paul@codesourcery.com>
7595
7596         * combine.c (can_change_dest_mode): New function.
7597         (try_combine, simplify_set): Use it.
7598
7599 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7600
7601         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7602         TFmode to BLKmode.
7603
7604 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7605
7606         * doc/install.texi (Specific): Adjust link to openavr.org.
7607         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7608         (Binaries): Adjust HP-UX Porting Center link.
7609         (Binaries): Adjust Free Software Foundation ordering link.
7610
7611 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7612
7613         * convert.c (convert_to_integer): Use fold_build1 instead of
7614         build1 when converting an integer to an integer.
7615
7616 2005-08-02  Richard Henderson  <rth@redhat.com>
7617
7618         * combine.c (combine_instructions): Don't use reg_equal/equiv
7619         results if the mode doesn't match.
7620
7621 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7622
7623         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7624         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7625
7626 2005-08-02  Richard Henderson  <rth@redhat.com>
7627
7628         PR 23196
7629         * explow.c (memory_address): Remove special-case for
7630         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7631
7632 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7633
7634         PR 23164
7635         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7636         number of calls to cleanup_tree_cfg_1.
7637
7638 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7639
7640         * doc/invoke.texi: document file extensions .F90 and .F95
7641
7642 2005-08-02  Richard Guenther  <rguenther@suse.de>
7643
7644         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7645         positive if its first argument is positive.
7646
7647 2005-08-02  Richard Guenther  <rguenther@suse.de>
7648
7649         PR tree-optimization/23177
7650         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7651         on TMR_TAG.
7652
7653 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7654
7655         PR tree-optimization/23129
7656         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7657         varying for divisions with anti-ranges.
7658
7659 2005-08-02  Jan Hubicka  <jh@suse.cz>
7660
7661         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7662         * tree-ssa-threadupdate.c (thread_block): Add it here.
7663
7664 2005-08-01  James E Wilson  <wilson@specifix.com>
7665
7666         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7667         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7668         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7669         New.
7670         * config/mips/predicates.md (const_call_insn_operand): Add check for
7671         SYMBOL_REF_LONG_CALL_P.
7672         * doc/extend.texi (long_call): Document the new attribute.
7673
7674 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7675             Richard Henderson  <rth@redhat.com>
7676
7677         * Makefile.in (RTL_BASE_H): Add real.h.
7678         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7679         instead of memcpy.
7680         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7681         directly.
7682         * rtl.c (rtl_check_failed_code_mode): New.
7683         * rtl.h (struct rtx_def): Add u.rv.
7684         (XCMWINT, XCNMPRV): New.
7685         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7686         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7687
7688 2005-08-01  Richard Henderson  <rth@redhat.com>
7689
7690         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7691         with auto-inc codes.
7692
7693         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7694
7695 2005-08-01  Jan Hubicka  <jh@suse.cz>
7696
7697         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7698         * i386.c: Include dwarf2.h
7699         (asm_preferred_eh_data_format): New.
7700         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7701
7702 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7703
7704         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7705         randomize_va_space for virtual address randomization control.
7706
7707 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7708
7709         * common.opt (flag_ipa_cp): Put in right place to maintain
7710         alphabetic sort.
7711
7712 2005-08-01  Jan Hubicka  <jh@suse.cz>
7713
7714         * profile.c (compute_value_histograms): Fix thinko.
7715         * value-prof.c: Include toplev.h
7716         (check_counter): New function.
7717         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7718         tree_mod_subtract_transform): Add sanity check.
7719
7720 2005-08-01  Richard Guenther  <rguenther@suse.de>
7721
7722         PR tree-optimization/23133
7723         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7724         current functions parameter decls to find defs to cse
7725         reciprocals of.
7726
7727 2005-08-01  Richard Guenther  <rguenther@suse.de>
7728
7729         PR tree-optimization/23109
7730         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7731         If trapping math is in effect, use post-dominator information
7732         to check if we'd in any case reach a trapping point before
7733         doing the reciprocal insertion.
7734         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7735         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7736         expressions are invariant only if trapping math is not in effect.
7737
7738 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7739
7740         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7741         cgraph_function_versioning): New declarations.
7742         * cgraphunit.c: Add include to ipa-prop.h.
7743         (update_call_expr, cgraph_copy_node_for_versioning,
7744         cgraph_function_versioning): New functions.
7745         * integrate.c (copy_decl_for_inlining): Remove.
7746         * ipa-prop.h (ipa_replace_map): New struct.
7747         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7748         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7749         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7750         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7751         ipcp_iterate_stage, ipcp_method_scale_print,
7752         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7753         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7754         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7755         ipcp_update_bb_counts, ipcp_update_profiling,
7756         ipcp_update_edges_counts): New functions.
7757         (ipcp_method_cval_init): Remove restriction regarding local methods.
7758         (ipcp_init_stage): Add ipcp_method_compute_scale.
7759         (ipcp_insert_stage): Add versioning.
7760         (ipcp_structures_print): Add ipcp_method_scale_print.
7761         (ipcp_driver): Dump profiling info.
7762         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7763         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7764         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7765         (struct inline_data): Add versioning_p, ipa_info, new fields.
7766         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7767         declare_return_variable): Replace calls to copy_decl_for_inlining with
7768         copy_decl_for_dup.
7769         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7770         versioning support.
7771         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7772         Add argument VERSIONING.
7773         (copy_arguments_for_versioning, copy_static_chain,
7774         function_versionable_p, tree_versionable_function_p,
7775         tree_function_versioning, replace_ref_tree): New functions.
7776         * tree-inline.h: Include varray.h.
7777         (tree_versionable_function_p,  tree_function_versioning,
7778         tree copy_decl_for_dup): New declarations.
7779
7780 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7781
7782         * ipa-cp.c: New file. Contains IPCP specific functionality.
7783         * ipa-prop.h: New file. Contains structures/definitions that can be
7784         used by several interprocedural data flow optimizations (and also IPCP).
7785         * ipa-prop.c: New file.
7786         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7787         * common.opt: Add ipa-cp flag.
7788         * timevar.def: Add IPCP optimization.
7789         * tree-optimize.c (init_tree_optimization_passes): Schedule
7790         pass_ipa_cp.
7791         * tree-pass.h (pass_ipa_cp): Declare.
7792
7793 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7794
7795         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7796         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7797         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7798         config/i386/i386.c, config/mips/mips.h,
7799         config/rs6000/rs6000.h, config/sh/sh.c,
7800         config/stormy16/stormy16.c: Fix comment typos.
7801
7802 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7803
7804         PR c/22311
7805         * c-typeck.c (build_binary_op): Use common_type wrapper on
7806         shortened types.
7807         (common_type): Update comment.
7808
7809 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7810
7811         PR target/23095
7812         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7813         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7814         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7815
7816 2005-07-31  Jan Hubicka  <jh@suse.cz>
7817
7818         * pretty-print.h (pp_widest_integer): New macro.
7819         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7820         counts.
7821
7822 2005-07-31  Jan Hubicka  <jh@suse.cz>
7823
7824         * output.h (enum section_category): Export from varasm.c
7825         (categorize_decl_for_section): Likewise.
7826         * varasm.c (enum section_category): Kill.
7827         (categorize_decl_for_section): Make global.
7828         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7829         Declare.
7830         * i386.c (ix86_section_threshold): New static variable.
7831         (ix86_in_large_data_p, ix86_encode_section_info,
7832         x86_64_elf_unique_section,
7833         x86_64_elf_select_section): New functions.
7834         (TARGET_ENCODE_SECTION_INFO): Define
7835         (override_options): Enable medium model for PIC.
7836         (ix86_expand_prologue): Expand gen_set_got_rex64.
7837         (legitimate_constant_p): Handle new UNSPECs.
7838         (legitimate_pic_address_disp_p): Likewise.
7839         (legitimize_pic_address): Lower MEDIUM model addressing.
7840         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7841         (enum cmodel): Add MEDIUM_PIC.
7842         (SYMBOL_REF_FAR_ADDR_P): New macro.
7843         (SYMBOL_FLAG_FAR_ADDR): New flag.
7844         * i386.md (movdi): Support medium model.
7845         (set_got_rex64): New pattern.
7846         * i386.opt (mlarge-data-threshold): New flag.
7847         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7848         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7849         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7850         TARGET_ASM_UNIQUE_SECTION): New.
7851
7852         * invoke.texi (-mlarge_data_threshold): Document
7853
7854 2005-07-31  Jan Hubicka  <jh@suse.cz>
7855
7856         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7857         (coalesce_vars): Likewise.
7858         * tree-ssa-live.c (coalesce_cost): New.
7859         (build_tree_conflict_graph): Use coalesce_cost.
7860         * tree-ssa-live.h (coalesce_cost): Declare.
7861
7862 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7863
7864         * arm.md (all peepholes for post-increment operations): Delete.
7865         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7866         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7867         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7868         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7869         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7870
7871 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
7872
7873         * fold-const.c (tree_expr_nonnegative_p): Always return true for
7874         non-integral types.
7875
7876 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
7877
7878         PR target/22582
7879         * doc/invoke.texi: Document -rdynamic.
7880
7881 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
7882
7883         PR c/23143
7884         * c-parser.c (c_parser_parms_list_declarator): Call
7885         mark_forward_parm_decls.
7886         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7887         decls with visibility structure.
7888
7889 2005-07-30  Paul Brook  <paul@codesourcery.com>
7890
7891         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7892
7893 2005-07-30  Paul Brook  <paul@codesourcery.com>
7894
7895         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7896         prototype.
7897         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7898         value for mode.
7899         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7900
7901 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7902
7903         PR c/529
7904         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7905         nested function declarators.
7906         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7907         (grokparms): Call warn_if_shadowing for parameters used within the
7908         parameter list.
7909         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7910         not used within the parameter list.
7911         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7912
7913 2005-07-30  Jan Hubicka  <jh@suse.cz>
7914
7915         * expr.c (expand_expr_real_1): Do not load mem targets into register.
7916         * i386.c (ix86_fixup_binary_operands): Likewise.
7917         (ix86_expand_unary_operator): Likewise.
7918         (ix86_expand_fp_absneg_operator): Likewise.
7919         * optabs.c (expand_vec_cond_expr): Validate dest.
7920
7921 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7922
7923         PR c/21720
7924         * real.c (real_from_string): Also set last bit if there is a
7925         nonzero hex digit beyond GCC's internal precision after ".".
7926
7927 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
7928
7929         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7930         define_constants.  Change duplicate values to unassigned numbers.
7931         Change UNSPEC_SUBS to UNSPEC_VSUBS.
7932         (*altivec_vspltsf): New.
7933         (altivec_vperm_v4sf): Delete.
7934         (altivec_vperm_<mode>): Use mode macro V.
7935         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7936         (altivec_predicate_v4sf): Delete.
7937         (altivec_predicate_<mode>): Use mode macro V.
7938         (*altivec_lvesfx): New.
7939         (*altivec_stvesfx): New.
7940         (vec_realign_load_v4sf): Delete.
7941         (vec_realign_load_<mode>): Use mode macro V.
7942         * config/rs6000/rs6000.c (generate_set_vrsave): Use
7943         UNSPECV_SET_VRSAVE.
7944
7945 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
7946
7947         PR bootstrap/23131
7948         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7949         string.
7950         * configure: Regenerated.
7951
7952 2005-07-29  Paul Brook  <paul@codesourcery.com>
7953
7954         * doc/install.texi: Add link to GFortran binaries wiki page.
7955
7956 2005-07-29  David Ung  <davidu@mips.com>
7957
7958         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7959         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7960         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7961         * config/mips/mips.md (cpu): Add 5kf name.
7962         (includes): Includes 5k.md.
7963         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7964         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7965         -march flag.
7966
7967 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7968
7969         PR 22550
7970         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7971         (cleanup_tree_cfg): ... here.
7972         Call cleanup_tree_cfg_1 until there are no more cleanups to
7973         do.
7974
7975 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
7976
7977         * tree-vrp.c (compare_range_with_value): Return true or false
7978         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7979         EQ_EXPR respectively.
7980
7981 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
7982
7983         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7984         Fix comment typos.
7985
7986 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7987
7988         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7989         (tree_ssa_dominator_optimize): Increment it.
7990         (dump_dominator_optimization_stats): Print it.
7991
7992 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
7993             Steven Bosscher  <stevenb@suse.de>
7994
7995         PR rtl-optimization/23117
7996         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7997         when head == tail.  Tidy comment.
7998
7999 2005-07-28  Richard Henderson  <rth@redhat.com>
8000
8001         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8002         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8003         * jump.c (rtx_renumbered_equal_p): Likewise.
8004         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8005         CONST_INT and CONST_DOUBLE.
8006         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8007         * reload.c (operands_match_p): Special case CONST_INT and
8008         CONST_DOUBLE; check mode earlier.
8009
8010 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8011
8012         PR c/22240
8013         * c-typeck.c (convert_for_assignment): Do not check
8014         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8015
8016 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8017
8018         PR c/22192
8019         * c-typeck.c (composite_type): Prefer constant size arrays to
8020         VLAs.
8021
8022 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8023
8024         PR c/21720
8025         * real.c (real_from_string): Set last bit if there is a nonzero
8026         hex digit beyond GCC's internal precision.
8027
8028 2005-07-28  Richard Henderson  <rth@redhat.com>
8029
8030         PR rtl-opt/22619
8031         * cfgcleanup.c (try_forward_edges): Watch out for end of
8032         insn chain.
8033
8034 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8035
8036         PR c/23106
8037         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8038
8039 2005-07-28  Jan Hubicka  <jh@suse.cz>
8040
8041         * Makefile.in (rtl-profile.o): Kill all traces of it.
8042         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8043         * coverage.h (rtl_coverage_counter_ref): Kill.
8044         * opts.c (flag_speculative_prefetching_set): Kill.
8045         (flag_loop_optimize_set): New.
8046         (common_handle_option): Disable loop optimizer when profiling;
8047         do not handle speculative prefetching.
8048         * passes.c (init_optimization_passes): Replace pass_profiling combo
8049         by branch_prob pass.
8050         * profile.c (compute_value_histograms): Update for simplified value
8051         profiles.
8052         (rtl_register_profile_hooks): Kill.
8053         (pass_profiling): Kill.
8054         (rest_of_handle_branch_prob): Do not profile.
8055         * toplev.c (process_options): Remove speculative prefetching.
8056         * toplev.h (flag_tree_based_profiling): Kill.
8057         * tree-profile.c (prepare_instrumented_value,
8058         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8059         tree_gen_one_value_profiler, do_tree_profiling): Update for
8060         simplified datastructures.
8061         * value-prof.c: Add comment that speculative prefetching was dropped;
8062         update rest of file for simplified datastructures.
8063         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8064         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8065         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8066         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8067         rtl_mod_subtract, gen_speculative_prefetch,
8068         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8069         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8070         (gate_handle_value_profile_transformations,
8071         rest_of_handle_value_profile_transformations,
8072         pass_value_profile_transformations): Kill.
8073         * value-prof.h (histogram_value_t): Remove IL based unions.
8074         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8075         rtl_profile_hooks): Remove hooks.
8076
8077         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8078
8079         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8080         (cgraph_clone_node): Likewise.
8081         * cgraph.h (cgraph_clone_edge): Update prototype.
8082         (cgraph_clone_node): Likewise.
8083         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8084         cgraph_clone_node.
8085         (lookup_recursive_calls): Consider profile.
8086         (cgraph_decide_recursive_inlining): Fix updating; use new
8087         probability argument; use profile.
8088         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8089         * tree-inline.c (copy_bb): Update clal of clone_edge.
8090         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8091
8092         * invoke.texi (min-inline-recursive-probability): Document.
8093
8094 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8095
8096         * doc/install.texi (Configuration): Update Valgrind homepage.
8097
8098 2005-07-28  Richard Henderson  <rth@redhat.com>
8099
8100         PR middle-end/21362
8101         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8102         labels we want to delete.
8103         (cfg_layout_merge_blocks): Likewise.
8104
8105 2005-07-28  Richard Henderson  <rth@redhat.com>
8106
8107         PR target/17692
8108         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8109         when expanding to nothing.
8110
8111 2005-07-28  Josh Conner  <jconner@apple.com>
8112
8113         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8114         (cgraph_decide_inlining_of_small_functions): Likewise.
8115
8116 2005-07-28  Josh Conner  <jconner@apple.com>
8117
8118         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8119         direction of badness if negative.
8120         (cgraph_default_inline_p): Add reason to parameters, and assign it
8121         a value.
8122         (cgraph_decide_inlining_of_small_functions): New parameter in call
8123         to cgraph_default_inline_p.
8124         (cgraph_decide_inlining_incrementally): Likewise.
8125         * cgraphunit.c (decide_is_function_needed): Likewise.
8126         * cgraph.h (cgraph_default_inline_p): Likewise.
8127
8128 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8129
8130         * builtins.c: Fix comment typo(s).
8131         * genautomata.c: Likewise.
8132         * gimplify.c: Likewise.
8133         * tree-dfa.c: Likewise.
8134         * tree-flow-inline.h: Likewise.
8135         * tree-into-ssa.c: Likewise.
8136         * tree-ssa-alias.c: Likewise.
8137         * tree-ssa-ccp.c: Likewise.
8138         * tree-ssa-copy.c: Likewise.
8139         * tree-ssa-dce.c: Likewise.
8140         * tree-ssa-dom.c: Likewise.
8141         * tree-ssa-operands.c: Likewise.
8142         * tree-tailcall.c: Likewise.
8143         * tree-vectorizer.c: Likewise.
8144         * tree-vrp.c: Likewise.
8145         * tree.c: Likewise.
8146
8147 2005-07-28  Jeff Law  <law@redhat.com>
8148
8149         * tree-vrp.c (test_for_singularity): Extracted from  ...
8150         (simplify_cond_using_ranges): Attempt to simplify a relational
8151         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8152
8153 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8154
8155         PR tree-optimization/22506
8156         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8157         phis whose argument is constant.
8158
8159 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8160
8161         PR rtl-optimization/18992
8162         Back out this patch:
8163           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8164           PR optimization/12142
8165           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8166           uses of the register in the SET_SRC.  Remove unnecessary argument.
8167
8168         Replace it with this:
8169         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8170         if flag_non_call_exceptions is set and the insn may trap, pass
8171         pc_rtx as dest for recursion.
8172         In SET_SRC part of SET case, if dest is already set, pass it down
8173         unchanged.
8174
8175 2005-07-28  Jan Hubicka  <jh@suse.cz>
8176
8177         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8178         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8179         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8180         roundoff errors.
8181         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8182         profile when available.
8183
8184 2005-07-28  Jan Beulich <jbeulich@novell.com>
8185
8186         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8187         (ia64_print_operand): Describe and handle 'X'.
8188         (ia64_register_move_cost): Also handle FP_REGS.
8189         (ia64_preferred_reload_class): Likewise.
8190         (ia64_secondary_reload_class): Likewise.
8191         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8192         it. Also check for ITANIUM_CLASS_FLDP.
8193         * config/ia64/ia64.h (FP_REGNO_P): New.
8194         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8195         (reg_class): Add FP_REGS.
8196         (REG_CLASS_NAMES): Adjust for it.
8197         (REG_CLASS_CONTENTS): Likewise.
8198         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8199         (REG_CLASS_FROM_LETTER): Handle 'x'.
8200         (CLASS_MAX_NREGS): Handle FP_REGS.
8201         (MEMORY_MOVE_COST): Likewise.
8202         * config/ia64/ia64.md (itanium_class): Add fldp.
8203         (type): Handle fldp.
8204         (movti_internal): More allowable operand combinations. Use ldfp8 when
8205         splitting unnecessary. Remove predicable attribute. Adjust
8206         itanium_class attribute.
8207         (smuldi3_highpart): Remove outdated comment.
8208         (mulditi3, umulditi3, rotlti3): New expanders.
8209         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8210         (absti2): Disabled new insn for future reference.
8211         Respective new splitters.
8212         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8213         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8214         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8215
8216 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8217
8218         PR rtl-optimization/23047
8219         * simplify-rtx.c (simplify_const_relational_operation): Respect
8220         flag_wrapv for comparisons with ABS.
8221
8222 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8223
8224         PR tree-optimization/22493
8225         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8226         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8227
8228 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8229
8230         * config/frv/frv.opt (moptimize-membar): New.
8231
8232         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8233
8234         * config/frv/frv.h: Remove machine_function definition.
8235
8236         * config/frv/frv.c (struct frv_io): New.
8237         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8238         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8239         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8240         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8241         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8242         (frv_reorg): Call frv_optimize_membar when appropriate.
8243         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8244         (frv_expand_builtin): Adjust calls accordingly.
8245         (frv_io_address_cookie): New function.
8246         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8247         load or store rather than a special insn.  Add ccnstant address and
8248         io-type operands to the membar.
8249         (frv_ifcvt_modify_tests): Unsign regno.
8250         (frv_ifcvt_modify_tests): Same.
8251
8252         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8253         UNSPEC_OPTIONAL_MEMBAR constant.
8254         (builtin_read_<mode>): Delete.
8255         (builtin_write_<mode>): Delete.
8256         ("optional_membar_<mode>"): Add operand.
8257
8258         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8259         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8260         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8261         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8262         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8263         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8264         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8265         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8266         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8267
8268 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8269
8270         * df.c (df_uses_record): Handle SCRATCH.
8271
8272 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8273
8274         PR debug/20161
8275         * passes.c (rest_of_decl_compilation): If decl is a type and
8276         we have encountered errors, don't emit debug information.
8277
8278 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8279
8280         * params.def: Fixed comment.
8281
8282 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8283
8284         PR target/19885
8285         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8286         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8287         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8288
8289 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8290
8291         PR c++/22003
8292         * varasm.c (assemble_start_function): Don't do anything that may
8293         require a CFG if the current function is a thunk.
8294
8295 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8296
8297         * doc/install.texi (Prerequisites): Mention that perl is needed
8298         to do export control in libstdc++ targetting Darwin.
8299
8300 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8301
8302         PR rtl-optimization/17808
8303         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8304         (sched_insns_conditions_mutex_p): Split out from...
8305         (add_dependence): ...here.  But don't call it from here.
8306         (add_dependence_list): Check sched_insns_conditions_mutex_p
8307         before calling add_dependence.
8308         (add_dependence_list_and_free): Likewise.
8309         (fixup_sched_groups): Likewise.
8310         (sched_analyze_1): Likewise.
8311         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8312         (sched_analyze): Likewise.
8313         (sched_analyze_insn): Likewise.
8314         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8315         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8316         dependencies on all COND_EXEC insns to jumps ending basic blocks
8317         when doing intrablock scheduling.
8318         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8319
8320 2005-07-27  Jeff Law  <law@redhat.com>
8321
8322         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8323         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8324         equivalency sets, correctly handle the case were vr0 has an
8325         equivalency set, but vr1 does not.
8326
8327 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8328
8329         PR tree-optimization/23073
8330         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8331         vect_print_dump_info before fprintf.
8332
8333 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8334
8335         PR tree-optimize/22348
8336         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8337         Fold the partial computation.
8338
8339 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8340
8341         PR tree-optimization/22325
8342         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8343         Declare.
8344         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8345         value replacement.
8346         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8347         (force_var_cost): ... this function.
8348         (compute_phi_arg_on_exit): Export.
8349
8350 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8351
8352         PR tree-optimization/20773
8353         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8354         edge.
8355
8356 2005-07-27  Richard Guenther  <rguenther@suse.de>
8357
8358         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8359         Avoid pushing again if current struct contains only
8360         fields we decomposed.
8361
8362 2005-07-27  Jan Hubicka  <jh@suse.cz>
8363
8364         PR tree-optimization/22574
8365         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8366         not available.
8367
8368         * tree-tailcall.c (decrease_profile): New function.
8369         (eliminate_tail_call): Use it.
8370
8371         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8372         visibility flags correctly in whole program mode.
8373
8374 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8375
8376         PR rtl-optimization/22472
8377         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8378
8379 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8380
8381         PR tree-optimization/22504
8382         * tree-complex.c (expand_complex_addition): Use 'code' instead
8383         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8384
8385 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8386
8387         * config.gcc (cpu_type): Add frv case.
8388         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8389         (supported_defaults): Add fr550 case.
8390
8391 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8392
8393         PR 22591
8394         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8395         whether a pointer of type T * may point to objects of type T *.
8396
8397 2005-07-26  DJ Delorie  <dj@redhat.com>
8398
8399         * configure: Regenerate.
8400
8401 2005-07-26  Dale Johannesen  <dalej@apple.com>
8402
8403         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8404
8405 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8406
8407         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8408         Clarify use of "build" in name.
8409
8410 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8411
8412         * doc/extend.texi (Raw read/write Functions): New section.
8413         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8414         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8415         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8416         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8417         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8418         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8419         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8420         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8421         * config/frv/frv.c: Add bdesc_loads global.
8422         Add bdesc_stores global.
8423         (frv_init_builtins): Add support for __builtin_{read/write}*.
8424         (frv_volatile_memref): New.
8425         (frv_expand_load_builtin): New.
8426         (frv_expand_store_builtin): New.
8427         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8428         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8429         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8430         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8431         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8432         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8433         (builtin_read_<mode>): New.
8434         (builtin_write_<mode>): New.
8435         (builtin_write64): New.
8436         (optional_membar_<mode>): New.
8437
8438 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8439
8440         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8441         (rather than units) against HOST_BITS_PER_WIDE_INT.
8442
8443 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8444
8445         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8446         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8447         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8448         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8449         FSF address.
8450
8451         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8452         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8453         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8454         comment typos.
8455         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8456
8457 2005-07-26  Richard Guenther  <rguenther@suse.de>
8458
8459         PR tree-optimization/22486
8460         * fold-const.c (fold_unary): Fold away useless component
8461         references of the form (T *)&T.x, if the address
8462         doesn't change.
8463
8464 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8465
8466         * dwarf2out.c (add_call_src_coords_attributes): New.
8467         (gen_inlined_subroutine_die): Call it.
8468         (maybe_emit_file, init_file_table): Add comments.
8469         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8470         maybe_emit_file.
8471         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8472         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8473         * tree.h (BLOCK_SOURCE_LOCATION): New.
8474         (struct tree_block): New field locus.
8475
8476 2005-07-26  Andreas Schwab  <schwab@suse.de>
8477
8478         PR rtl-optimization/23043
8479         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8480         when allocating a struct unoccr.
8481
8482 2005-07-25  Richard Henderson  <rth@redhat.com>
8483
8484         PR 22626
8485         * tree-complex.c (gate_no_optimization): True if errors.
8486         * Makefile.in (tree-complex.o): Update dependencies.
8487
8488 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8489
8490         * config/frv/predicates.md (integer_register_operand): Use
8491         GPR_AP_OR_PSEUDO_P.
8492
8493 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8494
8495         PR tree-opt/22484
8496         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8497         after fold.
8498         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8499
8500 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8501
8502         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8503         types when flag_unsafe_math_optimizations is true.
8504
8505 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8506
8507         * gcc.c (option_map): Add --sysroot.
8508         (process_command): Handle --sysroot.
8509         (display_help): Document it.
8510         * doc/cppopts.tex (-isysroot): Document.
8511         * doc/invoke.texi (--sysroot): Document.
8512         * doc/install.texi (--with-build-sysroot): Document.
8513
8514         * Makefile.in (inhibit_libc): New variable.
8515         (INHIBIT_LIBC_CFLAGS): Likewise.
8516         (LIBGCC2_CFLAGS): Include
8517         $(INHIBIT_LIBC_CFLAGS).
8518         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8519         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8520         ($(T)crtend.o): Likewise.
8521         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8522         ($(T)crtendS.o): Likewise.
8523         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8524         ($(T)crtendT.o): Likewise.
8525         (stmp-fixinc): Do not complain about missing headers if
8526         inhibit_libc.
8527         * configure.ac (inhibit_libc): Set it to true/false.
8528         (--with-build-sysroot): New option.  Use it to set
8529         SYSTEM_HEADER_DIR.
8530         * configure: Regenerated.
8531
8532 2005-07-25  Manfred Hollstein  <mh@suse.com>
8533
8534         * calls.c (store_one_arg): Fix unsigned comparison warning.
8535
8536 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8537
8538         PR other/22337
8539         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8540         (ggc_print_statistics): Initialize variable before use.
8541
8542 2005-07-25  Richard Guenther  <rguenther@suse.de>
8543
8544         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8545         calling with a PHI_NODE argument.
8546
8547         * tree-flow-inline.h (overlap_subvar): Protect against
8548         possible overflow.
8549
8550 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8551
8552         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8553         * configure: Regenerate.
8554
8555 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8556
8557         * expr.c (highest_pow2_factor): Make extern.
8558         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8559         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8560         record_array_differ_p, array_ptr_differ_p): Likewise.
8561         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8562         additional cases. Call the above functions.
8563         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8564         base_object_differ_p when there are two base objects. Otherwise, compare
8565         base address and offset. Call may_alias_p.
8566         (dump_data_reference): Use a correct field name.
8567         (analyze_array): Make static. Initialize new data-ref fields.
8568         (analyze_indirect_ref): New function.
8569         (init_data_ref): Initialize new data-ref fields.
8570         (strip_conversion): Moved from tree-vect-analyze.c.
8571         (analyze_offset_expr, get_ptr_offset, address_analysis,
8572         object_analysis): Likewise.
8573         (analyze_offset): New function.
8574         (create_data_ref): Likewise.
8575         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8576         dimensions for ARRAY_REFs only.
8577         (build_classic_dist_vector): Make static.
8578         (access_functions_are_affine_or_constant_p): Call macro to get the
8579         address of access functions.
8580         (compute_all_dependences): Add new parameter
8581         compute_self_and_read_read_dependences. Compute self and read-read
8582         dependences if it is true.
8583         (find_data_references_in_loop): Call create_data_ref. Initialize new
8584         data-ref fields.
8585         (compute_data_dependences_for_loop): Add new parameter
8586         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8587         compute nb_loops. Call compute_all_dependences,
8588         build_classic_dist_vector and build_classic_dir_vector with correct
8589         parameters.
8590         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8591         with correct parameters. Compare dimensions for ARRAY_REFs only.
8592         (free_data_refs): Call macro to free access functions.
8593         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8594         fields from stmt_vinfo.
8595         (struct base_object_info): New structure.
8596         (struct data_reference): Move fields to base_object_info. Add fields
8597         first_location and object_info for above structures. Move fields from
8598         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8599         aligned_to.  Add macros to access the new fields.
8600         Update functions declarations.
8601         * tree-flow.h (is_aliased_with): Declare.
8602         * tree-loop-linear.c (linear_transform_loops): Call
8603         compute_data_dependences_for_loop with correct parameters.
8604         * tree-ssa-alias.c (is_aliased_with): New function.
8605         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8606         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8607         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8608         vect_base_addr_differ_p, compute_subscript_distance and
8609         build_classic_dist_vector. Add printings. Check absolute value of
8610         distance.
8611         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8612         data-refs.
8613         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8614         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8615         to bytes. Add printing.
8616         (vect_compute_data_refs_alignment): Go through loads and stores in one
8617         loop.
8618         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8619         vect_analyze_data_ref_access): Likewise.
8620         (vect_analyze_pointer_ref_access): Remove.
8621         (vect_address_analysis, vect_object_analysis): Likewise.
8622         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8623         and analyze data-refs in the loop.
8624         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8625         fields of data-ref instead of stmt. Add init to the offset from the
8626         base.
8627         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8628         (vect_update_init_of_dr): Likewise.
8629         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8630         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8631         removed fields.
8632         (new_loop_vec_info): Initialize new fields.
8633         (destroy_loop_vec_info): Free new fields.
8634         (vect_strip_conversion): Remove.
8635         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8636         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8637         datarefs. Add new field ddrs.
8638         Add macros for the new fields access.
8639         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8640         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8641         Remove their macros.
8642         * tree.h (highest_pow2_factor): Declare.
8643
8644 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8645
8646         * calls.c (store_one_arg): Check for sibling call MEM arguments
8647         from already clobbered incoming argument area.
8648
8649 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8650
8651         * c-common.c (check_missing_format_attribute): New.
8652         * c-common.h (check_missing_format_attribute): Likewise.
8653         * c-typeck.c (convert_for_assignment): Use it.
8654
8655 2005-07-24  Andreas Schwab  <schwab@suse.de>
8656
8657         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8658         register use a word move.  Correct operand of ext.w in 68000 code.
8659
8660 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8661
8662         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8663         variables as declarations, rather than definitions.
8664
8665 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8666
8667         PR tree-optimization/22526
8668         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8669         of the zero node.
8670
8671 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8672
8673         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8674         that C99 reserve for future use. Use it to define clog10,
8675         clog10f and clog10l.
8676
8677 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8678
8679         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8680         * configure.ac: Check for -Wmissing-format-attribute.
8681
8682         * configure: Regenerate.
8683
8684 2005-07-23  Richard Henderson  <rth@redhat.com>
8685
8686         PR tree-optimization/22623
8687         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8688
8689 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8690
8691         PR target/22577
8692         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8693
8694 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8695
8696         * Makefile.in (C_TREE_H): Update dependencies.
8697         * c-tree.h: Include toplev.h.
8698         * diagnostic.h (diagnostic_set_info): Add format attribute.
8699         * rtl-error.c (diagnostic_for_asm): Likewise.
8700
8701 2005-07-23  Chao-ying Fu  <fu@mips.com>
8702
8703         * config/mips/mips-dsp.md: New file.
8704         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8705         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8706         functions.
8707         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8708         MIPS_BUILTIN_BPOSGE32.
8709         (mips_expand_builtin_direct): Add one parameter to indicate that
8710         builtin functions need to return a value.
8711         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8712         functions.
8713         (mips_regno_to_class): Add classes for 12 new DSP registers.
8714         (mips_subword): Change to check four HI registers.
8715         (mips_output_move): Output move to and from 6 new DSP accumulators.
8716         (override_options): Make sure -mdsp and -mips16 are not used together.
8717         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8718         for machine modes.
8719         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8720         when !TARGET_DSP.
8721         (print_operand): Add 'q' for printing DSP accumulators.
8722         (mips_cannot_change_mode_class): Check ACC_REGS.
8723         (mips_secondary_reload_class): Check ACC_REGS.
8724         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8725         (mips_register_move_cost): Check ACC_REGS.
8726         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8727         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8728         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8729         (dsp_bdesc): New array.
8730         (bdesc_arrays): Add DSP builtin function table.
8731         (mips_prepare_builtin_arg): Check predicate again after
8732         copy_to_mode_reg.
8733         (mips_expand_builtin): Add one more parameter to
8734         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8735         MIPS_BUILTIN_BPOSGE32.
8736         (mips_init_builtins): Initialize new function types.
8737         (mips_expand_builtin_direct): Check if builtin functions need to
8738         return a value and pass operands properly.
8739         (mips_expand_builtin_bposge): New function.
8740         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8741         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8742         (FIRST_PSEUDO_REGISTER): Increase to 188.
8743         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8744         Update for 12 new DSP registers.
8745         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8746         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8747         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8748         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8749         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8750         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8751         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8752         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8753         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8754         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8755         (REGISTER_NAMES): Add names for 12 new DSP registers.
8756         * config/mips/mips.md: Include mips-dsp.md.
8757         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8758         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8759         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8760         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8761         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8762         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8763         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8764         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8765         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8766         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8767         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8768         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8769         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8770         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8771         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8772         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8773         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8774         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8775         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8776         (UNSPEC_RDDSP): New constants.
8777         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8778         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8779         A<-d alternative.
8780         * config/mips/mips.opt (-mdsp): New option.
8781         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8782         (reg_imm10_operand): New predicates.
8783         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8784         * doc/invoke.texi (-mdsp): Document new option.
8785
8786 2005-07-22  DJ Delorie  <dj@redhat.com>
8787
8788         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8789         to warning calls.
8790         * tree-inline.c (inlinable_function_p): Likewise.
8791
8792 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8793
8794         PR debug/21828
8795         * toplev.c (check_global_declarations): Do not mark undefined
8796         variables as DECL_IGNORED_P.
8797         * varasm.c (first_global_object_name): GTY it.
8798         (weak_global_object_name): Likewise.
8799         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8800         a string to go into {weak,first}_global_object_name.
8801
8802 2005-07-22  DJ Delorie  <dj@redhat.com>
8803
8804         * c-format.c (check_function_format): Change warning control
8805         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8806
8807 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8808
8809         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8810         &PTR->FLD a dereference of PTR.
8811         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8812         a potential dereference of PTR.
8813
8814 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8815
8816         PR rtl-optimization/20370
8817         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8818         call allocate_reg_info if necessary.
8819
8820         PR rtl-optimization/21848
8821         * calls.c (emit_library_call_value_1): For const functions, add
8822         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8823
8824         PR rtl-optimization/22445
8825         * cselib.c (target.h): Include.
8826         (rtx_equal_for_cselib_p): Allow commutative matches.
8827         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8828         Remove MODE parameter.  Changed all callers.
8829
8830         PR rtl-optimization/22258
8831         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8832         New functions.
8833         (try_combine): Use likely_spilled_retval_p.
8834
8835 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8836
8837         * config.gcc: Add crx-elf support.
8838
8839         * doc/contrib.texi: Mention crx.
8840         * doc/extend.texi: Document crx extensions.
8841         * doc/install.texi: Document crx install.
8842         * doc/invoke.texi: Document crx options.
8843         * doc/md.texi: Document crx constraints.
8844
8845         * config/crx/crx-protos.h: New file.
8846         * config/crx/crx.c: New file.
8847         * config/crx/crx.h: New file.
8848         * config/crx/crx.md: New file.
8849         * config/crx/crx.opt: New file.
8850         * config/crx/t-crx: New file.
8851
8852 2005-07-22  Manfred Hollstein  <mh@suse.com>
8853
8854         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8855         warnings.
8856         (int_add_graph_edge): Likewise.
8857         (collapse_nodes): Likewise.
8858         (process_unification_queue): Likewise.
8859
8860 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8861             Laurent GUERBY  <laurent@guerby.net>
8862
8863         PR tree-optimization/22336
8864         * function.c (record_block_change): Check for
8865         cfun->ib_boundaries_block.
8866
8867 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
8868
8869         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8870         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8871
8872 2005-07-21  DJ Delorie  <dj@redhat.com>
8873
8874         * toplev.c (warn_deprecated_use): Add warning control to warning
8875         call.
8876         * c-typeck.c (parser_build_binary_op): Likewise.
8877         (c_finish_if_stmt): Likewise.
8878         * c-common.c (check_function_sentinel): Likewise.
8879         (check_nonnull_arg): Likewise.
8880
8881 2005-07-21  Richard Henderson  <rth@redhat.com>
8882
8883         PR tree-opt/22504
8884         * tree-complex.c (complex_ssa_name_components): New.
8885         (cvc_lookup): Allow entry not found.
8886         (create_components): Remove.
8887         (create_one_component_var, get_component_var): New.
8888         (get_component_ssa_name, set_component_ssa_name): New.
8889         (extract_component): Use get_component_ssa_name.
8890         (update_complex_components): Use set_component_ssa_name.
8891         (update_complex_components_on_edge): Likewise.
8892         (update_phi_components): Create new PHI nodes directly, instead
8893         of adding insns to edges.
8894         (tree_lower_complex): Allocate and free complex_variable_components
8895         and complex_ssa_name_components here.
8896
8897 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
8898
8899         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8900         revert to returning false.
8901
8902 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8903
8904         PR target/21149
8905         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8906
8907 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8908
8909         PR target/22576
8910         * config/i386/i386.md (cmpxf): Change operand constraints
8911         to "nonmemory_operand".
8912
8913 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8914
8915         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8916
8917 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8918
8919         PR middle-end/21180
8920         * fold-const.c (fold_build1): Add checksum for the operands.
8921         (fold_build2): Likewise.
8922         (fold_build3): Likewise.
8923
8924 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8925
8926         PR middle-end/19055
8927         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8928
8929 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8930
8931         * common.opt (-fforward-propagate): Committed by mistake,
8932         removed.
8933
8934 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8935
8936         * reg-stack.c: Fix comment typo(s).
8937         * tree-ssa-operands.c: Likewise.
8938         * tree-vectorizer: Likewise.
8939
8940 2005-07-21  Nick Clifton  <nickc@redhat.com>
8941
8942         * config/sh/symbian.c: Replace C++ style line comments with C
8943         style line comments.
8944         (symbian_add_attribute): Do not use a ? operator on the LHS of
8945         an assignment.
8946         (sh_symbian_handle_dll_attribute): Change the type of the
8947         method vector to "VEC(tree,gc)*" and use vector accessor
8948         macros to walk over the elements.
8949         (symbian_export_vtable_and_rtti_p): Likewise.
8950         (symbian_class_needs_attribute_p): Likewise.
8951
8952 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8953
8954         PR target/22085
8955         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8956         initialize targetm.resolve_overloaded_builtin here.
8957         (altivec_expand_overloaded_builtin): Make it non-static.
8958         * config/rs6000/rs6000-protos.h
8959         (altivec_expand_overloaded_builtin): New prototype.
8960         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8961         targetm.resolve_overloaded_builtin here.
8962         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8963
8964 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8965             Zdenek Dvorak  <dvorakz@suse.cz>
8966
8967         PR tree-optimization/19210
8968         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8969         New.
8970         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8971         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8972         rely on unproven assumptions.
8973         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8974         * tree-flow.h (number_of_iterations_exit): Add final parameter.
8975         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8976         to number_of_iterations_exit.
8977         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8978         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8979         * tree-ssa-loop-niter.c (find_loop_niter,
8980         estimate_numbers_of_iterations_loop): Likewise.
8981         (number_of_iterations_exit): Honor the new options.
8982         * doc/invoke.texi (Wunsafe-loop-optimizations,
8983         funsafe-loop-optimizations): Document them.
8984
8985 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
8986
8987         PR rtl-optimization/22167
8988         * gcse.c (hoist_code): Fix hoist_exprs[] check.
8989
8990 2005-07-20  Adam Nemet  <anemet@lnxw.com>
8991
8992         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8993         __do_global_dtors_aux longcall.
8994
8995 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
8996
8997         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8998         (old_special_pred_table): Don't reference
8999         SPECIAL_MODE_PREDICATES.
9000         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9001         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9002         * config/sh/predicates.h: Don't mention
9003         SPECIAL_MODE_PREDICATES.
9004         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9005         Remove.
9006
9007 2005-07-20  DJ Delorie  <dj@redhat.com>
9008
9009         * config.gcc: Add m32c-elf support.
9010
9011         * doc/contrib.texi: Mention m32c.
9012         * doc/extend.texi: Document m32c extensions.
9013         * doc/install.texi: Mention m32c.
9014         * doc/invoke.texi: Document m32c options.
9015         * doc/md.texi: Document m32c constraints.
9016
9017         * config/m32c/addsub.md: New file.
9018         * config/m32c/bitops.md: New file.
9019         * config/m32c/cond.md: New file.
9020         * config/m32c/jump.md: New file.
9021         * config/m32c/m32c-lib1.S: New file.
9022         * config/m32c/m32c-lib2.c: New file.
9023         * config/m32c/m32c-modes.def: New file.
9024         * config/m32c/m32c-pragma.c: New file.
9025         * config/m32c/m32c-protos.h: New file.
9026         * config/m32c/m32c.abi: New file.
9027         * config/m32c/m32c.c: New file.
9028         * config/m32c/m32c.h: New file.
9029         * config/m32c/m32c.md: New file.
9030         * config/m32c/m32c.opt: New file.
9031         * config/m32c/minmax.md: New file.
9032         * config/m32c/mov.md: New file.
9033         * config/m32c/muldiv.md: New file.
9034         * config/m32c/predicates.md: New file.
9035         * config/m32c/prologue.md: New file.
9036         * config/m32c/shift.md: New file.
9037         * config/m32c/t-m32c: New file.
9038
9039 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9040
9041         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9042         (stack_protect_set, stack_protect_test): New expanders.
9043         (stack_protect_set_si, stack_protect_set_si_media,
9044         stack_protect_set_di_media, stack_protect_test_si,
9045         stack_protect_test_si_media, stack_protect_test_di_media):
9046         New insns.
9047
9048 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9049
9050         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9051
9052 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9053
9054         * tree.h (tree_expr_nonzero_p): Export.
9055         * fold-const.c (tree_expr_nonzero_p): Likewise.
9056         Return true for CALL_EXPRs that are alloca calls.
9057         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9058         against zero.
9059         * tree-flow.h (expr_computes_nonzero): Remove.
9060         * tree-vrp.c (expr_computes_nonzero): Remove.
9061         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9062         (extract_range_from_unary_expr): Likewise.
9063         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9064         tree_expr_nonzero_p.
9065
9066 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9067
9068         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9069         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9070         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9071         All callers changed.
9072         (frame_related_constant_load): New arg "related" which controls
9073         setting of RTX_FRAME_RELATED_P.  All callers changed.
9074         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9075         (bfin_expand_prologue): Add stack limit checking.
9076         * config/bfin/bfin.md (trapifcc): New pattern.
9077
9078         * config/bfin/bfin.c: Include "langhooks.h".
9079         (def_builtin): Go through lang_hooks to call builtin_function.
9080
9081         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9082         * config/bfin/predicates.md (symbol_ref_operand): New.
9083         (call_insn_operand): Delete.  All callers changed to use
9084         register_no_elim_operand.
9085         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9086         call_cookie field.
9087         (function_arg): Use it to generate the call's operand 2.
9088         (bfin_longcall_p): New function.
9089         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9090         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9091         determine if the address needs to be in a REG.
9092         (bfin_handle_longcall_attribute): New function.
9093         (bfin_attribute_table): Add "longcall" and "shortcall".
9094         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9095         (CUMULATIVE_ARGS): New member call_cookie.
9096         (PREDICATE_CODES): Add symbol_ref_operand.
9097         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9098         extra USE to the pattern.
9099         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9100         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9101         sibcall_value_insn; now the new patterns handle direct calls and the
9102         old ones indirect calls.
9103         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9104
9105 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9106
9107         * doc/trouble.texi: Update section on handling of empty loops.
9108
9109 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9110
9111         * config.gcc: Remove support for sparc-*-openbsd*,
9112         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9113         ns32k-*-netbsd*.
9114         * config.host: Remove support for i860-*-sysv4* as a host.
9115         * config/i860/*, config/ip2k/*, config/ns32k/*,
9116         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9117         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9118         mention obsolete ports.
9119
9120 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9121
9122         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9123         soft frame pointer.
9124         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9125         of frame_pointer_rtx.
9126         (sh_expand_epilogue): Likewise.
9127         (sh_set_return_address): Likewise.
9128         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9129         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9130         offsets from FRAME_POINTER_REGNUM.
9131         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9132         (sh_register_names): Add initializer for sfp.
9133         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9134         (VALID_REGISTER_P): Likewise.
9135         (FIRST_PSEUDO_REGISTER): Update.
9136         (DWARF_FRAME_REGISTERS): Define.
9137         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9138         (HARD_FRAME_POINTER_REGNUM): Define.
9139         (FRAME_POINTER_REGNUM): Redefine.
9140         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9141         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9142         from FRAME_POINTER_REGNUM.
9143         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9144         FRAME_POINTER_REGNUM.
9145         (REG_CLASS_CONTENTS): Add sfp.
9146         (REG_ALLOC_ORDER): Likewise.
9147         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9148         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9149         of frame_pointer_rtx.
9150         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9151
9152 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9153
9154         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9155         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9156         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9157         of an ABS_EXPR.
9158         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9159         ABS_EXPR<x>.
9160
9161 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9162
9163         Make CONSTRUCTOR use VEC to store initializers.
9164         * c-common.c (complete_array_type): Update to cope with VEC in
9165         CONSTRUCTOR_ELTS.
9166         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9167         (pp_c_constructor_elts): New function.
9168         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9169         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9170         struct constructor_stack, struct initializer_stack,
9171         constructor_elements, push_init_level, pop_init_level,
9172         add_pending_init, find_init_member, output_init_element): Update to
9173         cope with VEC in CONSTRUCTOR_ELTS.
9174         * coverage.c (build_fn_info_value, build_ctr_info_value,
9175         build_gcov_info): Likewise.
9176         * expr.c (categorize_ctor_elements_1, store_constructor,
9177         expand_expr_real_1): Likewise.
9178         * fold-const.c (fold_ternary): Likewise.
9179         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9180         gimplify_init_constructor, gimplify_expr): Likewise.
9181         * tree-dump.c (dequeue_and_dump): Likewise.
9182         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9183         node.
9184         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9185         CONSTRUCTOR_ELTS.
9186         * tree-sra.c (generate_element_init_1): Likewise.
9187         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9188         * tree-ssa-operands.c (get_expr_operands): Likewise.
9189         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9190         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9191         (get_initial_def_for_reduction): Likewise.
9192         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9193         value handle in annotations.
9194         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9195         tree_node_structure): Add support for constr_kind.
9196         (build_vector_from_ctor, build_constructor_single,
9197         build_constructor_from_list): New functions.
9198         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9199         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9200         Update to cope with VEC in CONSTRUCTOR_ELTS.
9201         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9202         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9203         CONSTRUCTOR_APPEND_ELT): New macros.
9204         (struct constructor_elt, struct tree_constructor): New data types.
9205         (union tree_node): Add tree_constructor field.
9206         * treestruct.def: Define TS_CONSTRUCTOR.
9207         * varasm.c (const_hash_1, compare_constant, copy_constant,
9208         compute_reloc_for_constant, output_addressed_constants,
9209         initializer_constant_valid_p, output_constant,
9210         array_size_for_constructor, output_constructor): Update to cope with
9211         VEC in CONSTRUCTOR_ELTS.
9212         * vec.h (VEC_empty, VEC_copy): New macros.
9213
9214 2005-07-19  Devang Patel  <dpatel@apple.com>
9215
9216         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9217
9218 2005-07-19  Richard Henderson  <rth@redhat.com>
9219
9220         PR tree-opt/22278
9221         * gimplify.c (gimplify_expr): Use main variant type for the temp
9222         destination for a discarded volatile read.
9223         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9224         casts between non-void types that change volatility.
9225
9226 2005-07-15  DJ Delorie  <dj@redhat.com>
9227
9228         * toplev.h: Add comment about the first parameter for warning().
9229         * errors.h: Likewise.
9230
9231         * c.opt (Wpragmas): New.
9232         * doc/invoke.texi: Document it.
9233
9234         * function.c (do_warn_unused_parameter): Add warning control to
9235         warning call.
9236         * c-decl.c (warn_if_shadowing): Likewise.
9237         * c-lex.c (cb_def_pragma): Likewise.
9238         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9239         (pop_alignment): Likewise.
9240         (handle_pragma_pack): Likewise.
9241         (apply_pragma_weak): Likewise.
9242         (handle_pragma_weak): Likewise.
9243         (handle_pragma_redefine_extname): Likewise.
9244         (add_to_renaming_pragma_list): Likewise.
9245         (handle_pragma_extern_prefix): Likewise.
9246         (maybe_apply_renaming_pragma): Likewise.
9247         (handle_pragma_visibility): Likewise.
9248
9249         * config/c4x/c4x-c.c (BAD): Likewise.
9250         (c4x_parse_pragma): Likewise.
9251         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9252         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9253         (rs6000_pragma_longcall): Likewise.
9254         * config/v850/v850-c.c (pop_data_area): Likewise.
9255         (ghs_pragma_section): Likewise.
9256         (ghs_pragma_section): Likewise.
9257         (ghs_pragma_interrupt): Likewise.
9258         (ghs_pragma_starttda): Likewise.
9259         (ghs_pragma_startsda): Likewise.
9260         (ghs_pragma_startzda): Likewise.
9261         (ghs_pragma_endtda): Likewise.
9262         (ghs_pragma_endsda): Likewise.
9263         (ghs_pragma_endzda): Likewise.
9264
9265 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9266             Kenneth Zadeck <zadeck@naturalbridge.com>
9267
9268         * Makefile.in: Removed tree-promote-statics.c
9269         * tree-promote-statics.c: Removed.
9270         * common.opt: Removed flag-promote-statics.
9271         * opts.c: Ditto.
9272         * passes.c: Removed tree-promote-statics pass.
9273         * tree-pass.h: Ditto.
9274         * timevar.def: Removed TV_PROMOTE_STATICS.
9275
9276
9277 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9278
9279         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9280         and *-*-freebsd9.
9281         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9282
9283 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9284
9285         PR c/22476
9286         * c-common.c (check_function_arguments): Call
9287         'check_function_format' if either -Wformat or
9288         -Wmissing-format-attribute are specified.
9289         * c-format.c (check_function_format): Check -Wformat before
9290         calling 'check_format_info'.
9291         * c-opts.c (c_common_post_options): Don't warn for
9292         -Wmissing-format-attribute without -Wformat.
9293         * c-typeck.c (convert_for_assignment): Detect additional cases for
9294         -Wmissing-format-attribute.
9295         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9296         behavior.
9297
9298 2005-07-19  Richard Guenther  <rguenther@suse.de>
9299
9300         * config/i386/i386.md (lrint<mode>2): Use temporary
9301         instead of clobbering non-existent memory.
9302
9303 2005-07-19  Nick Clifton  <nickc@redhat.com>
9304
9305         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9306         statement to avoid displaying ASCII control characters.
9307
9308 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9309
9310         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9311         * cfganal.c (find_edge_index): Ditto.
9312         * combine.c (combine_instructions): Ditto.
9313         * ddg.c (create_scc): Ditto.
9314         (find_successors): Ditto.
9315         (find_predecessors): Ditto.
9316         (find_nodes_on_paths): Ditto.
9317         (longest_simple_path): Ditto.
9318         * flow.c (update_life_info): Ditto.
9319         (count_or_remove_death_notes): Ditto.
9320         (clear_log_links): Ditto.
9321         * modulo-sched.c (generate_reg_moves): Ditto.
9322         (find_max_asap): Ditto.
9323         (find_max_hv_min_mob): Ditto.
9324         (find_max_dv_min_mob): Ditto.
9325         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9326         * sched-rgn.c (extract_edgelst): Ditto.
9327         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9328         (dump_update_ssa): Ditto.
9329         (ssa_names_to_replace) Ditto.
9330         (switch_virtuals_to_full_rewrite): Ditto.
9331         (update_ssa): Ditto.
9332         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9333
9334 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9335
9336         Fix PR tree-optimization/22483
9337
9338         * tree-complex.c (create_components): Use
9339         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9340         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9341         * tree-flow.h (safe_referenced_var_iterator): New structure.
9342         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9343         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9344         safe_referenced_var iterator.
9345         (add_type_alias): Ditto.
9346
9347 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9348
9349         * loop-init.c (rest_of_handle_loop2): Remove.
9350         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9351         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9352         (pass_rtl_loop_init, pass_rtl_loop_done,
9353         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9354         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9355         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9356         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9357         pass_tree_loop_done, and pass_tree_unswitch.
9358         (gate_loop): Rename to gate_tree_loop.
9359         * passes.c (init_optimization_passes): Update for renamed tree
9360         loop passes.  Add the new loop2 passes as subpasses of loop2.
9361         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9362         Update for the renamed tree loop passes.
9363
9364 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9365
9366         PR middle-end/22057
9367         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9368         blocks when optimizing.
9369
9370 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9371
9372         * common.opt (frename-registers): Initialize to 2.
9373         (fweb): Ditto.
9374         (fgcse-after-reload): Ditto.
9375         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9376         (process_options): Only change flag_web, flag_rename_registers,
9377         and flag_rerun_cse_after_loop if not explicitly set by user.
9378
9379 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9380
9381         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9382         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9383         in 64-bit mode the same as DImode in 32-bit mode.
9384         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9385         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9386         mode. Add new mode parameter.
9387         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9388         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9389         x86_64_shift_adj): New expanders.
9390         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9391         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9392         insns.
9393         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9394         DImode shift splitters.
9395         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9396         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9397         mode parameter.
9398
9399 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9400
9401         * i386.md (movdi_extzv_1): New.
9402         (zero_extendhidi2): Combine alternatives and never force use of
9403         REX64 prefix.
9404         (zero_extendqidi2): Likewise. Don't restrict input selection.
9405
9406 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9407
9408         Fix PR tree-optimization/22531
9409         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9410          moment.
9411
9412 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9413
9414         * tree-promote-statics.c (pass_promote_statics): Change dump file
9415          name.
9416
9417 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9418
9419         * tree-optimize.c (init_tree_optimization_passes): Add
9420         pass_eliminate_useless_stores pass.
9421         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9422         * tree-ssa-pre.c (is_copy_stmt): New function.
9423         (follow_copies_till_vuse): Ditto.
9424         (do_eustores): Ditto.
9425         (gate_eustores): Ditto.
9426
9427 2005-07-16  Richard Henderson  <rth@redhat.com>
9428
9429         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9430
9431 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9432            Kenneth Zadeck <zadeck@naturalbridge.com>
9433
9434         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9435         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9436         ipa-type-escape.h, tree-promote-statics.c
9437         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9438         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9439         tree-promote-statics.c: new files.
9440         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9441         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9442         int nonlocal_set_p, mark_constant_function): Deleted.
9443         (rest_of_handle_cfg): Removed call to mark_constant_function.
9444         (nonoverlapping_component_refs_p): Added calls to support
9445         type based aliasing.
9446         * tree-ssa-alias.c (may_alias_p,
9447         compute_flow_insensitive_aliasing): Ditto.
9448         * calls.c (flags_from_decl_or_type): Removed reference to
9449         cgraph_rtl_info.
9450         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9451         too many arguments.  This is necessary for Spec 2000.
9452         * cgraph.h (const_function, pure_function): Removed.
9453         * common.opt: Added "fipa-pure-const", "fipa-reference",
9454         "fipa-type-escape", and "ftree-promote-static".
9455         * opts.c: Ditto.
9456         * passes.c: Added ipa and tree-promote-statics passes.
9457         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9458         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9459         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9460         * tree-flow.h: Added exposed sra calls and addition of
9461         reference_vars_info field for FUNCTION_DECLS.
9462         * tree-pass.h: Added passes.
9463         * tree-sra.c: (sra_init_cache): New function.
9464         (sra_insert_before, sra_insert_after) Made public.
9465         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9466         and made public.
9467         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9468         aliasing. (may_alias_p): Added code to use type escape analysis to
9469         improve alias sets.
9470         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9471         code to prune clobbers of static variables based on information
9472         produced in ipa-reference pass.  Changed call clobbering so that
9473         statics are not marked as clobbered if the call does not clobber
9474         them.
9475
9476 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9477
9478         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9479         too.
9480
9481 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9482
9483         * doc/install.texi (*-*-solaris2*): Document recommended version
9484         of GNU binutils and mention GNU linker problem on Solaris 10.
9485
9486 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9487
9488         PR c/22421
9489         * c-decl.c (c_build_bitfield_integer_type): New function.
9490         (finish_struct): Call it.
9491         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9492
9493 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9494
9495         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9496         before returning.
9497
9498 2005-07-16  Jan Hubicka  <jh@suse.cz>
9499
9500         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9501         (scale_bbs_frequencies_int): Watch roundoff errors.
9502         * predict.c (return_prediction): Initialize return_stmt.
9503
9504 2005-07-16  Jan Hubicka  <jh@suse.cz>
9505
9506         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9507         after RTL profiling.
9508
9509 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9510
9511         PR middle-end/22398
9512         * fold-const.c (build_range_check): Convert high/low to etype
9513         if we are only comparing against exp.
9514
9515 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9516
9517         Fix PR tree-optimization/22376
9518         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9519         special var here.
9520         (need_to_solve): New function.
9521         (compute_points_to_sets): Use it.
9522
9523 2005-07-15  Jan Hubicka  <jh@suse.cz>
9524
9525         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9526         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9527
9528 2005-07-15  Richard Guenther  <rguenther@suse.de>
9529
9530         * c-common.c (handle_flatten_attribute): New function.
9531         Add flatten function attribute.
9532         * doc/extend.texi: Document flatten function attribute.
9533         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9534         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9535         New functions.
9536         (cgraph_decide_inlining): Handle functions with flatten
9537         attribute.
9538
9539 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9540
9541         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9542         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9543         UNSPEC_XCHG, UNSPEC_AND): New.
9544         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9545         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9546         * config/rs6000/sync.md (FETCHOP): New code macro.
9547         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9548         New code attrs.
9549         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9550         (sync_compare_and_swap<mode>): Same.
9551         (sync_lock_test_and_set<mode>): Same.
9552         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9553         for QImode and HImode, and not PPC405.
9554         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9555         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9556         (sync_<fetchop>{si,di}_internal): New.
9557         (sync_nand{si,di}_internal): New.
9558         (sync_old_<fetchop>{si,di}_internal): New.
9559         (sync_old_nand{si,di}_internal): New
9560         (sync_new_<fetchop>{si,di}_internal): New.
9561         (sync_new_nand{si,di}_internal): New.
9562         (atomic_and{si,di}): New.
9563         (sync_new_nand{si,di}_internal): New.
9564         (atomic_and{si,di}): New.
9565         (sync_add<mode>_internal): Delete.
9566         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9567         (sync_sub<mode>_internal): Delte.
9568         (sync_subshort_internal): New.
9569         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9570         (sync_anddi_internal): Delete.
9571         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9572         (sync_booldi_internal): Delete.
9573         (sync_boolc<mode>_internal): Delete.
9574         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9575         (sync_boolc<mode>_internal2): Delete.
9576         (sync_boolcc<mode>_internal): Delete.
9577         (isync, lwsync): Use unspec instead of unspec_volatile.
9578         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9579         Revert UNSPEC_VOLATILE.
9580         (rs6000_split_atomic_op): New.
9581         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9582
9583 2005-07-14  Eric Christopher  <echristo@redhat.com>
9584
9585         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9586         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9587
9588 2005-07-14  Eric Christopher  <echristo@redhat.com>
9589
9590         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9591
9592 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9593
9594         PR tree-optimization/22230
9595         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9596         the computation of the four cross productions for "range op range".
9597
9598 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9599             Ulrich Weigand  <uweigand@de.ibm.com>
9600
9601         PR target/20126
9602         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9603         in some insn.
9604
9605 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9606
9607         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9608
9609 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9610
9611         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9612
9613 2005-07-14  Richard Guenther  <rguenther@suse.de>
9614
9615         PR middle-end/22347
9616         * config/i386/i386-protos.h (ix86_function_value): Change
9617         prototype to match new target hook.
9618         * config/i386/i386.c (ix86_value_regno): Change prototype
9619         to take extra type argument.
9620         (TARGET_FUNCTION_VALUE): Define.
9621         (ix86_function_ok_for_sibcall): Pass extra argument to
9622         ix86_value_regno, check return slot rtx for exact match.
9623         (ix86_function_value): Take extra parameter.  Dispatch to
9624         ix86_value_regno with fndecl/fntype as provided.
9625         (ix86_value_regno): Handle extra type argument.
9626         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9627
9628         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9629         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9630         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9631         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9632         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9633
9634 2005-07-14  Richard Guenther  <rguenther@suse.de>
9635
9636         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9637         * calls.c (expand_call): Pass fntype to hard_function_value.
9638         (emit_library_call_value_1): Likewise.
9639         * explow.c: Include target.h.
9640         (hard_function_value): Take extra argument, the fntype.
9641         Use new target hook for function_value.
9642         * expr.h (hard_function_value): Change prototype.
9643         * function.c (aggregate_value_p): Pass 0 as fntype to
9644         hard_function_value.
9645         (assign_parms): Use new target hook for function_value.
9646         Pass 0 as fntype to hard_function_value.
9647         (expand_function_end): Likewise.
9648         * reg-stack.c: Include target.h.
9649         (stack_result): Use new target hook for function_value.
9650         * target-def.h: New target hook function_value.
9651         * target.h: Likewise.
9652         * targhooks.c (default_function_value): New function.
9653         * targhooks.h (default_function_value): Declare.
9654
9655 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9656
9657         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9658
9659 2005-07-14  Jan Hubicka  <jh@suse.cz>
9660
9661         * tree-dfa.c (dump_variable): Use default_def function.
9662         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9663         * tree-ssa.c (verify_use): Likewise.
9664         * tree-ssanames.c (release_ssa_name): Likewise.
9665         * tree-tailcall.c (eliminate_tail_call): Likewise.
9666         (tree_optimize_tail_calls_1): Likewise.
9667         * tree-vrp.c (get_value_range): Likewise.
9668
9669 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9670
9671         * gcc.c (main): Compare language[0] with '*' when iterating over
9672         the infiles.
9673
9674 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9675
9676         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9677         "s390_emit_compare".  Add handling of CCZ1mode.
9678         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9679         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9680         checking.
9681         (s390_branch_condition_mask): Add CCZ1mode handling.
9682         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9683         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9684         Use CCZ1mode instead of CCZmode.
9685         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9686
9687 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9688
9689         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9690         pattern.
9691         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9692
9693 2005-07-13  Eric Christopher  <echristo@redhat.com>
9694
9695         * config/mips/mips.c (mips_canonicalize_comparison): New.
9696         (mips_emit_int_relational): Use.
9697
9698 2005-07-13  Eric Christopher  <echristo@redhat.com>
9699
9700         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9701         static extra parts.
9702         * config/s390/s390.md: Include tpf.md. Move tpf specific
9703         patterns...
9704         * config/s390/tpf.md: To here.
9705         * config/s390/s390.opt: Move tpf specific options...
9706         * config/s390/tpf.opt: to here. Add mmain option.
9707         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9708         * config/s390/tpf.h: Rewrite.
9709
9710 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9711
9712         * doc/tm.texi: Remove @xref{Cross-profiling}.
9713
9714 2005-07-13  Jeff Law  <law@redhat.com>
9715
9716         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9717         expressions, test their _DECL operands for pointer equality rather
9718         than using operand_equal_p.
9719
9720 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9721
9722         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9723         (TARGET_POSIX_IO): This.
9724         * config/darwin.h: Likewise.
9725         * config/freebsd.h: Likewise.
9726         * config/linux.h: Likewise.
9727         * config/lynx.h: Likewise.
9728         * config/netbsd.h: Likewise.
9729         * config/rs6000/linux64.h: Likewise.
9730         * config/rs6000/linux.h: Likewise.
9731         * config/s390/tpf.h: Likewise.
9732         * config/sh/embed-elf.h: Likewise.
9733         * config/sparc/linux64.h: Likewise.
9734         * config/sparc/linux.h: Likewise.
9735         * config/svr4.h: Likewise.
9736         * gcov-io.h: Likewise.
9737
9738         * doc/tm.texi: Updated.
9739
9740         * libgcov.c (create_file_directory): Defined only if
9741         TARGET_POSIX_IO is defined.
9742         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9743         is defined.
9744
9745 2005-07-13  Jan Hubicka  <jh@suse.cz>
9746
9747         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9748
9749 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9750
9751         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9752         structure as argument.
9753
9754 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9755
9756         PR tree-optimization/21921
9757         * tree-iterator.c (tsi_link_before): Support the case when
9758         tsi_end_p (tsi) == true.
9759
9760 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9761
9762         PR tree-optimization/22442
9763         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9764         correctly.
9765
9766 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9767
9768         PR rtl-optimization/20376
9769         * toplev.c (process_options): Enable -fweb and -frename-registers when
9770         unrolling.
9771         * doc/invoke.texi: Update the information about when -fweb and
9772         -frename-registers are enabled.
9773
9774 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9775
9776         PR tree-opt/21840
9777         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9778         if *rhs_p is not a SSA_NAME.
9779
9780 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9781
9782         Fix PR tree-optimization/22422
9783         * tree-ssa-structalias.c (struct variable_info): Add flag for
9784         special vars.
9785         (get_varinfo): Now a static function.
9786         (new_varinfo): init has_union and is_special_var to false.
9787         (solution_set_add): Check has_union.
9788         (do_da_constraint): Move temporary variable so it gets reset
9789         properly.
9790         Also check for special variable.
9791         (do_ds_constraint): Ditto.
9792         (do_sd_constraint): Ditto.
9793         (do_structure_copy): Check for special variable.
9794         (find_func_aliases): Ditto.
9795         (init_base_vars): Set special vars properly.
9796
9797 2005-07-13  Jan Hubicka  <jh@suse.cz>
9798
9799         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9800         do unit-at-a-time.
9801
9802         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9803         (get_expr_operands): Fix thinko wrt flags and subvars.
9804
9805         PR tree-optimize/22379
9806         * tree-inline.c (expand_call_inline): Do not output sorry in early
9807         inlining.
9808
9809 2005-07-12  Dale Johannesen  <dalej@apple.com>
9810
9811         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9812
9813 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9814
9815         PR bootstrap/21704
9816         * host-linux.h: Include limits.h.
9817
9818 2005-07-12  Dale Johannesen  <dalej@apple.com>
9819
9820         * expr.c (compress_float_constant):  Add cost check.
9821         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9822
9823 2005-07-12  Dale Johannesen  <dalej@apple.com>
9824
9825         * gcc.target/i386/compress-float-sse.c:  New.
9826         * gcc.target/i386/compress-float-sse-pic.c:  New.
9827         * gcc.target/i386/compress-float-387.c:  New.
9828         * gcc.target/i386/compress-float-387-pic.c:  New.
9829         * gcc.dg/compress-float-ppc.c:  New.
9830         * gcc.dg/compress-float-ppc-pic.c:  New.
9831
9832 2005-07-12  Eric Christopher  <echristo@redhat.com>
9833
9834         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9835         static extra parts.
9836         * config/s390/s390.md: Include tpf.md. Move tpf specific
9837         patterns...
9838         * config/s390/tpf.md: To here.
9839         * config/s390/s390.opt: Move tpf specific options...
9840         * config/s390/tpf.opt: to here. Add mmain option.
9841         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9842         * config/s390/tpf.h: Rewrite.
9843
9844 2005-07-12  Eric Christopher  <echristo@redhat.com>
9845
9846         * gcc.c (struct infile): Update comment for language.
9847         (main): Rewrite input file resetting code.
9848
9849 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9850
9851         PR tree-opt/22335
9852         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9853         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9854         (lookup_avail_expr): Use constant_boolean_node instead
9855         of boolean_false_node/boolean_true_node.
9856
9857 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9858
9859         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9860         and use it when printing num_edges.
9861
9862 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9863
9864         * doc/extend.texi (Blackfin Built-in Functions): New section.
9865         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9866         @opindex.
9867
9868 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
9869
9870         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9871         s/cmpstrsi/cmpstrnsi
9872         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9873         'cmpstrnsi'.
9874         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9875         (init_optabs): Initialize cmpstrn_optab.
9876         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9877         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9878         * expr.c: (enum insn_code cmpstrn_optab): Declare.
9879         * config/i386/i386.md: s/cmpstr/cmpstrn
9880         * config/c4x/c4x.md: s/cmpstr/cmpstrn
9881         * doc/md.texi: Update documentation.
9882
9883 2005-07-11  Richard Henderson  <rth@redhat.com>
9884
9885         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9886         build_va_arg_indirect_ref.
9887         (alpha_gimplify_va_arg): Likewise.
9888         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9889         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9890         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9891         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9892         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9893         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9894         Likewise.
9895         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9896
9897 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9898
9899         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9900         * passes.c (init_optimization_passes): Add pass_empty_loop.
9901         * tree-pass.h (pass_empty_loop): Declare.
9902         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9903         try_remove_empty_loop, remove_empty_loops): New functions.
9904         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9905         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9906
9907 2005-07-12  Peter Barada  <peter@the-baradas.com>
9908
9909         PR middle-end/16719
9910         PR middle-end/18421
9911         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9912         in address registers.
9913         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9914         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9915         alternative of addsi3_5200.
9916
9917 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9918
9919         * config/mips/mips.md (ffs<mode>2): Remove.
9920
9921 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9922
9923         * doc/tree-ssa.texi (Cleanups): Improve description of
9924         TRY_FINALLY_EXPR.
9925         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9926
9927 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9928
9929         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9930         * tree.h (DECL_ARGUMENT_FLD): New macro.
9931
9932 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9933
9934         Fix PR tree-optimization/22404
9935
9936         * tree-ssa-structalias.c (create_variable_info_for): Use
9937         correct offset.
9938
9939 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9940
9941         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9942         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9943         for second comparison operand.
9944         * config/bfin/predicates.md (reg_or_const_int_operand): New.
9945
9946         * config/bfin/bfin.md (define_attr "type"): Add "sync".
9947         (define_insn_reservation "alu"): Likewise.
9948         (csync, ssync): Now of type sync.
9949         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9950         -mcsync-anomaly -mspecld-anomaly.
9951         * config/bfin/bfin.opt (mcsync): Remove.
9952         (mcsync-anomaly, mspecld-anomaly): Add.
9953         * config/bfin/bfin.c: Include "insn-codes.h".
9954         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9955         (TARGET_DEFAULT_TARGET_FLAGS): New.
9956         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9957
9958 2005-07-11  Steven Bosscher  <stevenb@suse.de>
9959
9960         * basic-block.h: Give the BB flags enum a name, bb_flags.
9961         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9962         * cfgcleanup.c (enum bb_flags): Remove here.
9963         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9964         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9965         (update_forwarder_flag): Likewise.
9966         (thread_jump): Likewise.
9967         (try_forward_edges): Likewise.
9968         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
9969         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
9970         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9971
9972 2005-07-11  Richard Guenther  <rguenther@suse.de>
9973
9974         * config/i386/i386.opt: New target option -msseregparm.
9975         * config/i386/i386.c (override_options): Error out for
9976         -msseregparm but no SSE support.
9977         (ix86_function_sseregparm): Check for global sseregparm.
9978         * doc/invoke.texi: Document -msseregparm.
9979
9980 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9981
9982         * config.gcc (m32r-*-linux*): Use the default extra_parts.
9983         (m32rle-*-linux*): Ditto.
9984
9985 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
9986
9987         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9988         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9989         bytes.
9990
9991 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9992
9993         PR middle-end/22239
9994         PR target/20126
9995         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9996         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9997
9998 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
9999
10000         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10001         (varmap): Heapify varmap.
10002         (constraints): Heapify constraints.
10003         (struct constraint_graph): Heapify succs and preds.
10004         (constraint_vec_find): Update for heapification.
10005         (constraint_set_union): Ditto.
10006         (insert_into_complex): Ditto.
10007         (constraint_edge_vec_find): Ditto.
10008         (erase_graph_self_edge): Ditto.
10009         (add_graph_edge): Ditto.
10010         (get_graph_weights): Ditto.
10011         (merge_graph_nodes): Ditto.
10012         (build_constraint_graph): Ditto.
10013         (topo_visit): Ditto.
10014         (solve_graph): Ditto.
10015         (create_variable_info_for): Ditto.
10016         (init_base_vars): Ditto.
10017         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10018         (condese_varmap_nodes): Free complex vector.
10019         (clear_edges_for_node): Clear succs and preds vector.
10020
10021 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10022
10023         * tree-ssa-structalias.c (update_alias_info): Change counting of
10024         references to not include vdefs.
10025
10026 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10027
10028         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10029         (up_insert): Ditto.
10030
10031 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10032
10033         * pa.c (pa_commutative_p): Make PLUS commutative when
10034         TARGET_NO_SPACE_REGS is true.
10035
10036 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10037
10038         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10039         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10040         * tree-dfa.c (dump_subvars_for): New.
10041         (debug_subvars_for): New.
10042         (dump_variable): Show subvariables if VAR has them.
10043         * tree-flow-inline.h (get_subvar_at): New.
10044         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10045         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10046         Update all users.
10047         (struct subvar): Change fields offset and size to unsigned
10048         HOST_WIDE_INT.
10049         (dump_subvars_for): Declare.
10050         (debug_subvars_for): Declare.
10051         (get_subvar_at): Declare.
10052         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10053         to unsigned HOST_WIDE_INT *.
10054         (overlap_subvar): Likewise.
10055         * tree-gimple.c (is_gimple_reg): Always return false for
10056         SFTs and memory tags.
10057         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10058         Update all callers.
10059         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10060         (compute_may_aliases): Call compute_points_to_sets.
10061         (collect_points_to_info_for): Remove.
10062         (compute_points_to_and_addr_escape): Remove.
10063         (delete_alias_info): Call delete_points_to_sets.
10064         (compute_flow_sensitive_aliasing): If the call to
10065         find_what_p_points_to returns false, call set_pt_anything.
10066         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10067         (set_pt_anything): Clear pi->pt_vars.
10068         (set_pt_malloc): Remove.
10069         (merge_pointed_to_info): Remove.
10070         (add_pointed_to_expr): Remove.
10071         (add_pointed_to_var): Remove.
10072         (collect_points_to_info_r): Remove.
10073         (is_escape_site): Make extern.
10074         (create_sft): New.
10075         (create_overlap_variables_for): Call it.
10076         * tree-ssa-copy.c (merge_alias_info): Never merge
10077         flow-sensitive alias information.
10078         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10079         offset and size to be unsigned HOST_WIDE_INT.
10080         (add_to_addressable_set): Rename from note_addressable.
10081         Set TREE_ADDRESSABLE as the variables are added to the set.
10082         Update all users.
10083         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10084         operands into VUSEs when adding V_MAY_DEFs for members in an
10085         alias set.
10086         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10087         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10088         (struct variable_info): Add bitfield is_heap_var.
10089         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10090         (new_var_info): Initialize is_heap_var.
10091         (get_constraint_for): Add HEAP variables to the symbol table.
10092         Mark them with is_heap_var.
10093         (update_alias_info): New.  Taken mostly from the old
10094         compute_points_to_and_addr_escape.
10095         (handle_ptr_arith): New.
10096         (find_func_aliases): Call update_alias_info.
10097         Call handle_ptr_info for tcc_binary expressions.
10098         Call mark_stmt_modified.
10099         (create_variable_info_for): If DECL has subvars, do not create
10100         variables for its subvars.  Always add all the fields.
10101         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10102         SFTs, then add all the SFTs of the structure.
10103         If VI->DECL is an aggregate with subvariables, add the SFT at
10104         VI->OFFSET.
10105         (find_what_p_points_to): If VI is an artificial variable,
10106         translate to bitfields in SSA_NAME_PTR_INFO.
10107         If the solution is empty, set pi->pt_vars to NULL
10108         (init_base_vars): Create ANYOFFSET.
10109         (compute_points_to_sets): Rename from create_alias_vars.
10110         Make extern.
10111         (pass_build_pta): Remove.
10112         (delete_points_to_sets): Rename from delete_alias_vars.
10113         (pass_del_pta): Remove.
10114         * tree-ssa-structalias.h (struct alias_info): Move from
10115         tree-ssa-alias.h.
10116         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10117         NUM_REFERENCES_SET): Likewise.
10118         (compute_points_to_sets, delete_points_to_sets): Declare.
10119
10120 2005-07-09  Richard Henderson  <rth@redhat.com>
10121
10122         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10123         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10124         alpha_split_lock_test_and_set_12): New functions.
10125         * config/alpha/alpha-protos.h: Update.
10126         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10127         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10128         * config/alpha/sync.md (I12MODE): New.
10129         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10130         (sync_<fetchop_name><I48MODE>): Likewise.
10131         (sync_nand<I48MODE>): Likewise.
10132         (sync_old_<fetchop_name><I48MODE>): Likewise.
10133         (sync_new_<fetchop_name><I48MODE>): Likewise.
10134         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10135         (sync_compare_and_swap<I48MODE>): Likewise.
10136         (sync_lock_test_and_set<I48MODE>): Likewise.
10137         (sync_compare_and_swap<I12MODE>): New.
10138         (sync_compare_and_swap<I12MODE>_1): New.
10139         (sync_lock_test_and_set<I12MODE>): New.
10140         (sync_lock_test_and_set<I12MODE>_1): New.
10141
10142 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10143
10144         PR 21356
10145         PR 22332
10146         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10147
10148 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10149
10150         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10151         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10152
10153 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10154
10155         PR target/21656
10156         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10157
10158 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10159
10160         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10161         memory_operand constraint.
10162         (store_conditional_<mode>): Same.
10163         (sync_compare_and_swap<mode>): Same.
10164         (sync_lock_test_and_set<mode>): Same.
10165
10166 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10167
10168         Rewrite PIC support to more closely model actual instructions.
10169         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10170         (cris_symbol): Remove prototypes for removed functions.
10171         (cris_pic_symbol_type_of, cris_valid_pic_const)
10172         (cris_expand_pic_call_address): Prototypes for new functions.
10173         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10174         variable.
10175         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10176         modifiers.
10177         <case ':'>: Add case for new punctuation character.
10178         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10179         emitting (extra) PIC modifier.
10180         <case UNSPEC>: Do not assert for PLT.
10181         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10182         (cris_expand_prologue, cris_expand_epilogue): Check
10183         for pic_offset_table_rtx usage instead of taking
10184         current_function_uses_pic_offset_table as the final word.
10185         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10186         Remove flag_pic difference.
10187         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10188         the moral equivalents of...
10189         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10190         functions.
10191         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10192         (cris_handle_option): Mark ARG as unused.
10193         (cris_expand_pic_call_address): New worker function for "call",
10194         "call_value".
10195         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10196         output PIC constructs here.
10197         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10198         as symbol-specific modifers, not whole or part of operands.
10199         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10200         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10201         constants and flag_pic.
10202         (CONSTANT_INDEX_P): Adjust for new functions.
10203         (enum cris_pic_symbol_type): New helper type.
10204         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10205         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10206         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10207         define_constants.
10208         ("movsi"): Emit actual instructions for GOT and relative access.
10209         ("*movsi_got_load"): New pattern to set up the register holding
10210         the GOT pointer.
10211         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10212         Adjust FIXME for 'S'.
10213         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10214         Use "movs" for -fpic cases.
10215         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10216         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10217         ("call", "call_value"): Just call cris_expand_pic_call_address for
10218         PIC addresses.
10219         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10220         Remove special pattern.
10221         ("*expanded_call_side", "*expanded_call_value_side"): New
10222         patterns.
10223         (gotplt-to-plt, gotplt-to-plt-side-call)
10224         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10225         peephole2:s.
10226         * config/cris/cris/predicates.md
10227         ("cris_general_operand_or_gotless_symbol"): Remove unused
10228         predicate.
10229         ("cris_general_operand_or_symbol"): Adjust for new functions.
10230
10231 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10232
10233         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10234
10235 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10236
10237         * Makefile.in (TREE_H): Add treestruct.def.
10238         (c-decl.o): Add pointer-set.h
10239         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10240         visibility on regular DECL's.
10241         (merge_decls): Fix the copying of decl nodes of various types for
10242         the new structures.  Don't update RTL, section name, weak status,
10243         etc, on DECL's without RTL.
10244         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10245         Don't check volatile on non-variable types.
10246         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10247         to check whether we have seen arguments.
10248         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10249         flag is checked before field (flag is common, field is not).
10250         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10251         TS_DECL_COMMON could have an origin.
10252         (add_location_or_const_value_attribute): Don't check section name
10253         on non-var/function decls.
10254         (dwarf2out_var_location): Reverse order of tests.
10255         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10256         with DECL_WRTL_CHECK.
10257         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10258         * fold-const.c (fold_binary): Don't check weakness on
10259         non-var/function decls.
10260         (tree_expr_nonzero_p): Ditto.
10261         (fold_checksum_tree): Use tree_decl_extra as sizeof
10262         buffer.
10263         * ggc-page.c (extra_order_size_table): Add sizes for
10264         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10265         tree_field_decl.
10266         * gimplify.c (gimplify_bind_expr): Only set
10267         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10268         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10269         without RTL.
10270         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10271         * langhooks.h (init_ts). New langhook.
10272         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10273         * print-tree.c (print_node): Update to only print fields that
10274         exist in the structures the passed decl has.
10275         * toplev.c (wrapup_global_declarations): Don't reset
10276         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10277         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10278         * tree-inline.c (remap_decl): Ditto.
10279         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10280         * tree-pretty-print.c (print_declaration): Don't print
10281         DECL_REGISTER on things that don't contain it.
10282         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10283         non-var/function decls.
10284         * tree.c (tree_contains_struct): New structure.
10285         (init_priority_for_decl): New hashtable.
10286         (tree_int_map): New structure.
10287         (tree_int_map_eq): New function.
10288         (tree_int_map_marked_p): Ditto.
10289         (tree_int_map_hash): Ditto.
10290         (tree_map): Move to tree.h.
10291         (tree_map_eq): Externalize.
10292         (tree_map_hash): Ditto.
10293         (tree_map_marked_p): Ditto.
10294         (init_ttree): Set up tree_contains_struct and call langhook.
10295         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10296         (tree_code_size): Update for new structures.
10297         (tree_node_structure): Update for new structures.
10298         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10299         without the field.
10300         (copy_node_stat):  Copy init priority.
10301         (build_decl_stat): Ditto for visibility.
10302         (ts_enum_names): New.
10303         (tree_contains_struct_check_failed): New function.
10304         (decl_init_priority_lookup): Ditto.
10305         (decl_init_priority_insert): Ditto.
10306         * treestruct.def: New file.
10307         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10308         (CONTAINS_STRUCT_CHECK): Ditto.
10309         (tree_contains_struct_check_failed): New prototype.
10310         (DECL_CHECK): Removed.
10311         (DECL_MINIMAL_CHECK): New.
10312         (DECL_COMMON_CHECK): Ditto.
10313         (DECL_WRTL_CHECK): Ditto.
10314         (DECL_NON_COMMON_CHECK): Ditto.
10315         (DECL_WITH_VIS_CHECK): Ditto.
10316         (VAR_OR_FUNCTION_DECL_P): Ditto
10317         (struct tree_decl_minimal): New structure.
10318         (struct tree_decl_common): Ditto.
10319         (struct tree_decl_with_rtl): Ditto.
10320         (struct tree_decl_with_vis): Ditto.
10321         (struct tree_decl_non_common): Ditto.
10322         (struct tree_field_decl): Ditto.
10323         (struct tree_parm_decl): Ditto.
10324         (struct tree_var_decl): Ditto.
10325         (struct tree_function_decl): Ditto.
10326         (struct tree_const_decl): Ditto.
10327         (struct tree_result_decl): Ditto.
10328         (union tree_node): Add new structures.
10329         * var-tracking.c (track_expr_p): Reverse order of tests.
10330
10331         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10332
10333 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10334
10335         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10336         * system.h: Poison FINALIZE_PIC.
10337         * doc/tm.texi (FINALIZE_PIC): Remove.
10338
10339 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10340
10341         PR tree-opt/22329
10342         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10343         to the correct type if we have a MODIFY_EXPR.
10344
10345 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10346
10347         PR tree-optimization/22360
10348         * tree.c (upper_bound_in_type): Fix calculations for casting
10349         to a non-wider signed type and casting a signed value to a
10350         wider unsigned type.
10351         (lower_bound_in_type): Fix calculations for casting to a
10352         non-wider signed type.
10353
10354         PR tree-optimization/20139
10355         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10356         release_defs.
10357         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10358         fold_cond_expr_cond.
10359         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10360         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10361
10362 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10363
10364         PR tree-opt/22356
10365         * tree-complex.c (expand_complex_libcall): Produce
10366         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10367
10368 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10369
10370         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10371         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10372         b" assert and inserted fastpath code for this case.
10373         (bitmap_ior): Removed "a != b" assert.
10374
10375 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10376
10377         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10378         (ENDFILE_SPEC): Likewise.
10379         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10380
10381         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10382         a large stack frame at epilogue.
10383
10384 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10385
10386         * final.c: Include sdbout.h when required.
10387
10388 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10389
10390         * config.gcc (*-*-darwin*): Only one target-specific header file
10391         for generic darwin.
10392         (powerpc-*-darwin*): Add version-specific header files.
10393         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10394         * config.in: Regenerate.
10395         * configure: Regenerate.
10396         * gcc.c: Include xregex.h.
10397         (version_compare_spec_function): New.
10398         (spec_function): Add version-compare.
10399         (replace_outfile_spec_function): Reformat comment.
10400         (compare_version_strings): New.
10401         * config/darwin-c.c (version_as_macro): New.
10402         (builtin_define): New.
10403         (darwin_cpp_builtins): New.
10404         * config/darwin-protos.h (darwin_cpp_builtins): New.
10405         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10406         (LIB_SPEC): Make unconditional, update comment.
10407         (TARGET_C99_FUNCTIONS): Define.
10408         * config/darwin.opt: Sort.
10409         (mmacosx-version-min=): New.
10410         * config/darwin7.h: Delete.
10411         * config/darwin8.h: Delete.
10412         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10413         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10414         (TARGET_C99_FUNCTIONS): Define.
10415         * config/rs6000/darwin7.h: New.
10416         * config/rs6000/darwin8.h: New.
10417         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10418         (-mmacosx-version-min): Document.
10419
10420 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10421
10422         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10423
10424 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10425
10426         PR middle-end/22239
10427         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10428
10429 2005-07-07  Khem Raj  <kraj@mvista.com>
10430
10431         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10432         in bytes, not words.
10433
10434 2005-07-07  Paul Brook  <paul@codesourcery.com>
10435
10436         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10437         DEFAULT_FUNCTION_ARG_PADDING to upward.
10438
10439 2005-07-07  Richard Henderson  <rth@redhat.com>
10440
10441         * function.c (locate_and_pad_parm): Record parameter alignment in
10442         stack_alignment_needed.
10443
10444 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10445
10446         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10447         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10448         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10449         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10450         (define_attr "type"): Add isync, sync, load_l, store_c.
10451         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10452         Create scratch volatile MEM.
10453         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10454         sync.
10455         (load_locked_<mode>): New.
10456         (store_conditional_<mode>): New.
10457         (sync_compare_and_swap<mode>): Replace with splitter.
10458         (sync_lock_test_and_set<mode>): Replace with splitter.
10459         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10460         and UNSPECV_ISYNC.
10461         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10462         is ics.  Attribute isync.
10463         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10464         lwsync.
10465         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10466         and UNSPECV_SYNC_OP.
10467         (emit_unlikely_jump): New.
10468         (emit_load_locked): New.
10469         (emit_store_conditional): New.
10470         (rs6000_split_compare_and_swap): New.
10471         (rs6000_split_lock_test_and_set): New.
10472         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10473         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10474         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10475         rs6000_split_lock_test_and_set): Declare.
10476         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10477         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10478         store_c, isync, sync.
10479
10480 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10481
10482         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10483         filenames to gtyp-gen.h.
10484         (s-typ-gen): Use it in place of for loops.
10485
10486 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10487
10488         * hooks.c (hook_bool_rtx_int_false): New function.
10489         * hooks.h (hook_bool_rtx_int_false): Declare.
10490         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10491         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10492         * target.h (struct gcc_target): Add commutative_p member.
10493         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10494         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10495         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10496         (pa_commutative_p): New function.
10497         * jump.c (target.h): Include.
10498         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10499         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10500
10501 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10502
10503         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10504         (s390_expand_setmem): New.
10505         * config/s390/s390.c: Likewise.
10506         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10507         Adapt comments.
10508         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10509         general_operand.  Call new function "s390_expand_setmem".
10510         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10511         ("setmem_long", "*setmem_long"): ... this.
10512
10513 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10514
10515         * config/s390/s390.c: (optimization_options): Enable
10516         TARGET_MVCLE at -Os.
10517         * doc/invoke.texi: Document changes in default behaviour.
10518         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10519
10520 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10521
10522         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10523         defined by back-end.
10524
10525 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10526
10527         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10528         all sets in the pattern.
10529         * config/rs6000/rs6000.md (stack_protect_testsi,
10530         stack_protect_testdi): Likewise.
10531
10532 2005-07-06  Jeff Law  <law@redhat.com>
10533
10534         * tree-vrp.c (simplify_using_ranges): Kill.
10535         (vrp_finalize): Remove call to simplify_using_ranges.
10536         (simplify_stmt_using_ranges): New function extracted from
10537         simplify_using_ranges.
10538         (simplify_div_or_mod_using_ranges): Likewise.
10539         (simplify_abs_using_ranges): Likewise.
10540         (simplify_cond_using_ranges): New function.
10541         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10542         * tree-ssa-propagate.c (substitute_and_fold): Call
10543         simplify_stmt_using_ranges if we have range information.
10544
10545 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10546
10547         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10548         ia64_flag_schedule_isns2.
10549
10550         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10551         reading/writing general registers.
10552         (ia64_function_arg): Revert 2005-06-18 change.
10553
10554 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10555
10556         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10557         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10558
10559 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10560
10561         * function.c (expand_function_end): Revert part of 2005-06-27
10562         patch.  Do sjlj_emit_function_exit_after after return_label.
10563
10564 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10565
10566         * doc/install.texi (--disable-libssp): New.
10567
10568 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10569
10570         * doc/invoke.texi: Update -fforce-mem documentation.
10571         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10572         code for -fforce-mem.
10573         * expmed.c: (store_bit_field,store_fixed_bit_field,
10574         extract_bit_field): Ditto.
10575         * expr.c: (convert_move): Ditto.
10576         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10577         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10578         emit_conditional_add,expand_float,expand_fix): Ditto.
10579         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10580         (common_handle_option): Issue warning when -fforce-mem specified.
10581
10582 2005-07-06  Paul Brook  <paul@codesourcery.com>
10583
10584         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10585         argument is empty.
10586         * configure: Regenerate.
10587
10588 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10589
10590         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10591
10592 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10593
10594         Fix PR tree-optimization/22319
10595         Fix PR tree-optimization/22140
10596         Fix PR tree-optimization/22310
10597
10598         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10599         variable sized types.
10600         Use correct type for intermediate structure on *a = *b structure
10601         copies.
10602
10603 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10604
10605         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10606         Remove.
10607         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10608         (machine_function): Move typedef to...
10609         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10610         varargs_save_offset field.
10611         (rs6000_stack_t): Remove varargs_size field.
10612         (setup_incoming_varargs): Allocate varargs save area using
10613         assign_stack_local, try to make it as small as possible.
10614         Save offset from virtual_stack_vars_rtx to the save area
10615         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10616         instead of magic 8 when fp word byte size is used.
10617         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10618         instead of -RS6000_VARARGS_SIZE.
10619         (rs6000_stack_info, debug_stack_info,
10620         rs6000_initial_elimination_offset): Remove all traces of
10621         varargs_size.
10622         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10623         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10624         RS6000_VARARGS_AREA.
10625
10626 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10627
10628         PR tree-optimization/21963
10629         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10630         constant_multiple_of in the same way get_computation_cost_at does.
10631
10632 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10633
10634         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10635         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10636         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10637         and return its previous value.
10638         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10639         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10640         constants.
10641         (stack_protect_set, stack_protect_test): New expanders.
10642         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10643         stack_protect_testdi): New insns.
10644         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10645         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10646
10647 2005-07-06  Jeff Law  <law@redhat.com>
10648
10649         * tree-ssa-dce.c (cfg_altered): New global.
10650         (tree_dce_init): Initialize cfg_altered.
10651         (remove_dead_stmt): If we remove an edge in the CFG, then set
10652         CFG_ALTERED.
10653         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10654         the dominators.
10655
10656 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10657
10658         * Makefile.in (stamp-collect-ld): Use
10659         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10660         ./collect-ld if it already exists.
10661         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10662         Don't remove ./nm if it already exists.
10663
10664 2005-07-05  Devang Patel  <dpatel@apple.com>
10665
10666         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10667         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10668         * tree-vectorizer.c (vect_loop_location): New.
10669         (vect_print_dump_info): Use vect_loop_location.
10670         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10671         (vectorize_loops): Set vect_loop_location.
10672         * tree-vect-analyze.c (vect_analyze_offset_expr,
10673         vect_determin_vectorization_factor, vect_analyze_operations,
10674         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10675         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10676         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10677         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10678         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10679         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10680         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10681         vect_analyze_loop): Adjust vect_print_dump_info API.
10682         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10683         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10684         vect_finish_stmt_generation, vectorizable_assignment,
10685         vectorizable_operation, vectorizable_store, vectorizable_load,
10686         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10687         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10688         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10689         vect_transform_loop): Same.
10690         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10691         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10692         Same.
10693
10694 2005-07-05  Randolph Chung  <tausq@debian.org>
10695
10696         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10697         * configure: Regenerate.
10698         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10699         (pa_tls_referenced_p): Declare.
10700         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10701         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10702         (legitimize_tls_address): New.
10703         (hppa_legitimize_address): Handle TLS addresses.
10704         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10705         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10706         (emit_move_sequence): Handle TLS addresses.
10707         (pa_encode_section_info): Call default handler to handle common
10708         sections.
10709         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10710         (CONSTANT_ADDRESS_P): Reject TLS operands.
10711         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10712         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10713         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10714         (UNSPEC_TLSLE): Define new constants.
10715         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10716         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10717         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10718         (tie_symbolic_operand, tle_symbolic_operand): New
10719
10720 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10721
10722         * aclocal.m4: Update macros for autoconf 2.59 style.
10723         * configure.ac: Likewise.
10724
10725 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10726
10727         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10728         (function_arg): Pass small aggregates in general registers on 32-bit
10729         targets.
10730         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10731
10732 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10733
10734         * Makefile.in (final.o): Fix dependencies.
10735
10736 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10737
10738         PR c/22013
10739         PR c/22098
10740         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10741         * langhooks.c (lhd_expr_to_decl): New.
10742         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10743         New.
10744         (LANG_HOOKS_INITIALIZER): Update.
10745         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10746         expr_to_decl langhook.
10747         * c-tree.h (c_expr_to_decl): Declare.
10748         * c-typeck.c (c_expr_to_decl): New.
10749         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10750         specially.
10751         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10752
10753 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10754
10755         PR c/22308
10756         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10757         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10758
10759 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10760
10761         * Makefile.in: Adjust dependencies.
10762         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10763         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10764         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10765         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10766         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10767         rest_of_compilation.
10768
10769         * bb-reorder.c (gate_duplicate_computed_gotos,
10770         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10771         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10772         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10773         pass_partition_blocks): New.
10774         * bt-load.c (gate_handle_branch_target_load_optimize,
10775         rest_of_handle_branch_target_load_optimize,
10776         pass_branch_target_load_optimize): New.
10777         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10778         pass_jump2): New.
10779         * cfglayout.c (pass_insn_locators_initialize): New.
10780         * cfgrtl.c (pass_free_cfg): New.
10781         * combine.c (gate_handle_combine, rest_of_handle_combine,
10782         pass_combine): New.
10783         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10784         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10785         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10786         * except.c (pass_set_nothrow_function_flags,
10787         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10788         pass_rtl_eh): New.
10789         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10790         rest_of_handle_shorten_branches, pass_shorten_branches,
10791         rest_of_clean_state, pass_clean_state): New.
10792         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10793         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10794         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10795         pass_flow2): New.
10796         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10797         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10798         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10799         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10800         pass_gcse): New.
10801         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10802         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10803         pass_rtl_ifcvt, gate_handle_if_after_combine,
10804         rest_of_handle_if_after_combine, pass_if_after_combine,
10805         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10806         pass_if_after_reload): New.
10807         * integrate.c (pass_initial_value_sets): New.
10808         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10809         pass_purge_lineno_notes): New.
10810         * mode-switching.c (rest_of_handle_mode_switching,
10811         pass_mode_switching): New.
10812         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10813         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10814         pass_loop2): New.
10815         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10816         pass_loop_optimize): New.
10817         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10818         pass_sms): New.
10819         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10820         pass_gcse2): New.
10821         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10822         pass_postreload_cse): New.
10823         * profile.c (gate_handle_profiling, pass_profiling,
10824         rest_of_handle_branch_prob, pass_branch_prob): New.
10825         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10826         pass_split_before_regstack, gate_handle_split_before_regstack,
10827         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10828         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10829         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10830         pass_stack_regs): New.
10831         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10832         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10833         pass_stack_adjustments): New.
10834         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10835         pass_regrename): New.
10836         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10837         pass_delay_slots, gate_handle_machine_reorg,
10838         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10839         * rtl.h (extern void purge_line_number_notes): New.
10840         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10841         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10842         pass_sched2): New.
10843         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10844         pass_tracer): New.
10845         * value-prof.c (gate_handle_value_profile_transformations,
10846         rest_of_handle_value_profile_transformations,
10847         pass_value_profile_transformations): New.
10848         * var-tracking.c (gate_handle_var_tracking,
10849         pass_variable_tracking): New.
10850         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10851
10852         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10853         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10854         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10855         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10856         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10857         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10858         rest_of_handle_gcse2, rest_of_handle_regmove,
10859         rest_of_handle_tracer, rest_of_handle_if_conversion,
10860         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10861         rest_of_handle_web, rest_of_handle_branch_prob,
10862         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10863         rest_of_handle_jump_bypass, rest_of_handle_combine,
10864         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10865         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10866         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10867         rest_of_handle_mode_switching, rest_of_handle_jump,
10868         rest_of_handle_eh, rest_of_handle_stack_adjustments,
10869         rest_of_handle_flow2, rest_of_handle_jump2,
10870         rest_of_handle_peephole2, rest_of_handle_postreload,
10871         rest_of_handle_shorten_branches, rest_of_clean_state,
10872         rest_of_compilation): Remove.
10873
10874         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10875         * passes.c (dump_flags, in_gimple_form, all_passes,
10876         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10877         register_dump_files, next_pass_1, last_verified, execute_todo,
10878         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10879         from tree-optimize.c.
10880         (init_optimization_passes): Moved from tree-optimize.c,
10881         adding the RTL optimizations.
10882         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10883         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10884         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10885         register_dump_files, next_pass_1, last_verified, execute_todo,
10886         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10887         init_tree_optimization_passes, ipa_passes): Delete.
10888         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10889         the RTL dumps.
10890         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10891         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10892         from tree.h.
10893         (ipa_passes): Remove.
10894         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10895         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10896         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10897         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10898         (dump_info_p, dump_flag): Moved to tree-dump.h.
10899
10900         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10901         cgraph.c, opts.c.
10902         * passes.c (finish_optimization_passes): Use dump_begin
10903         and dump_end, TDI_end.
10904         (gate_rest_of_compilation): New.
10905         (pass_rest_of_compilation): Use it.
10906         (gate_postreload, pass_postreload): New.
10907         * toplev.c (general_init): Rename init_tree_optimization_passes.
10908         * toplev.h (init_tree_optimization_passes): Rename to
10909         init_optimizations_passes.
10910         * tree-dump.c (dump_flag): Make static.
10911         (dump_files): Remove RTL dumps.
10912         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10913         pass_cleanup_cfg, pass_free_cfg_annotations,
10914         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10915         pass_init_datastructures, pass_fixup_cfg): Make non-static.
10916         * tree-pretty-print.c: Include tree-pass.h.
10917         * cgraph.c: Include tree-dump.h.
10918
10919 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10920
10921         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10922         Only fall back to saying it points to readonly memory if
10923         we can't do better.
10924
10925 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10926
10927         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10928         * config/m32r/m32r.c (m32r_compute_frame_size,
10929         m32r_expand_prologue): Take current_function_profile into
10930         account whenever we reference
10931         current_function_uses_pic_offset_table.
10932         (m32r_finalize_pic): Remove.
10933         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10934
10935 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
10936
10937         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10938         instead of $<.  Don't remove ./as if it already exists.
10939
10940 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10941
10942         PR target/21723
10943         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10944         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10945         for complex modes when generating code for PA 1.0.
10946         (VALID_FP_MODE_P): New macro.
10947         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10948         sets for all general and floating point modes.  Align wide floating
10949         point modes to even register boundaries to comply with architectural
10950         requirements.
10951         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10952         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10953         (VALID_FP_MODE_P): New macro.
10954         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10955         sets for all general and floating point modes.  Align wide floating
10956         point modes to even register boundaries to comply with architectural
10957         requirements.
10958
10959 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10960
10961         * tree-dump.c (dump_files): Initialize dump number for .cgraph
10962         to 0.
10963
10964 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10965
10966         * tree-ssa-structalias.c: Don't include expr.h.
10967
10968 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10969
10970         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10971         comments.
10972
10973 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10974
10975         Fix PR tree-optimization/22279
10976
10977         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10978         correct operator.
10979
10980 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
10981
10982         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10983
10984 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10985
10986         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10987         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10988         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10989         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10990         config/stormy16/stormy16.c, config/v850/v850.c,
10991         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10992         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10993         Avoid "." or "\n" at end of diagnostics and capital letters at
10994         start of diagnostics.
10995         * combine.c, cse.c: Don't translate dump file output.
10996         * toplev.c (print_version): Only translate output if going to
10997         stderr.
10998
10999 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11000
11001         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11002         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11003         typos.
11004
11005 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11006
11007         * pa.c (fix_range): Fix typo in comment.
11008
11009 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11010
11011         * tree-vrp.c (extract_range_from_assert): Replace
11012         fold (build (...)) with fold_build2.
11013
11014 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11015
11016         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11017         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11018         (format_types_orig, handle_format_attribute): Add support for
11019         format "gcc_gfc".
11020
11021 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11022
11023         * varasm.c (assemble_variable): Fix format specifier thinko.
11024
11025 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11026
11027         PR tree-optimization/22029 (and 22135)
11028         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11029         a phi node before calling dump_vops.
11030
11031 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11032
11033         * tree-dump.h (dump_string_field): Declare.
11034         * tree-dump.c: Use it instead of dump_string.
11035         (dump_string_field): Make non-static.
11036
11037 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11038
11039         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11040         up the minimal CFG stuff always when optimize > 0.  Call
11041         split_all_insns_noflow in PIC case if needed.
11042
11043 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11044             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11045
11046         PR c++/18279
11047         * c-decl.c (c_write_global_declarations): Dump contents of
11048         external scope to.
11049         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11050         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11051         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11052         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11053         is enabled.
11054
11055 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11056
11057         * c-common.h (GCC_DIAG_STYLE): Define.
11058         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11059         version for format checking to 4.1.
11060         * c-format.c: Include toplev.h after c-common.h.
11061         (enum format_type): Add gcc_tdiag_format_type.
11062         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11063         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11064         (format_types_orig): Add gcc_tdiag.
11065         (init_dynamic_diag_info): Support gcc_tdiag formats.
11066         (handle_format_attribute): Likewise.
11067         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11068         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11069         version for format checking to 4.1.
11070         (warning0, warning, error, pedwarn, sorry): Use
11071         ATTRIBUTE_GCC_DIAG.
11072         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11073         (finish_aliases_1): Do not use %qE.
11074         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11075         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11076         Correct format bugs.
11077         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11078         parameter to unsigned HOST_WIDE_INT.
11079         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11080
11081 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11082
11083         PR middle-end/21742
11084         * expr.c (write_complex_part): Use adjust_address for MEM.
11085         (read_complex_part): Same.
11086
11087 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11088
11089         Fix PR tree-optimization/22280
11090
11091         * tree-sra.c (generate_element_init): Remove useless loop.
11092
11093 2005-07-02  Richard Henderson  <rth@redhat.com>
11094
11095         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11096         TLS_MODEL_NONE.
11097         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11098
11099 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11100
11101         PR middle-end/14490
11102         * fold-const.c (fold_binary): Handle the return value of
11103         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11104         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11105
11106 2005-07-02  Jeff Law  <law@redhat.com>
11107
11108         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11109         a eliminate type conversion which feeds an equality comparison
11110         if the original type or either operand in the comparison is a
11111         function pointer.
11112
11113 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11114
11115         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11116         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11117         texts.
11118         * config/avr/avr.c: Do not use '`' as left quote.
11119         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11120         Remove "." from end of diagnostics.  Make diagnostics start with
11121         lowercase letter.
11122
11123 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11124             Joseph S. Myers  <joseph@codesourcery.com>
11125
11126         * toplev.c (default_tree_printer): Handle setting location with
11127         '+' flag.
11128         * c-objc.common.c (c_tree_printer): Likewise.
11129         * c-format.c (gcc_diag_flag_specs): Add '+'.
11130         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11131         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11132         formats.
11133         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11134         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11135         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11136         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11137         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11138         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11139         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11140         format arguments where %J is used without %D.
11141
11142 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11143
11144         * gcc.c (LINK_SSP_SPEC): Define.
11145         (link_ssp_spec): New variable.
11146         (LINK_COMMAND_SPEC): Add %(link_ssp).
11147         (static_specs): Add link_ssp_spec.
11148         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11149         * configure: Rebuilt.
11150         * config.in: Rebuilt.
11151
11152         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11153         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11154         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11155         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11156         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11157         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11158         -0x7008(2) instead of reading __stack_chk_guard variable.
11159         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11160         number.
11161         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11162         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11163         if TARGET_THREAD_SSP_OFFSET is defined.
11164         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11165         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11166
11167         Revert:
11168         2005-06-27  Richard Henderson  <rth@redhat.com>
11169         * libgcc-std.ver (GCC_4.1.0): New.
11170         * libgcc.h (__stack_chk_guard): Declare.
11171         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11172         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11173         * mklibgcc.in (lib2funcs): Add them.
11174
11175 2005-07-01  Richard Henderson  <rth@redhat.com>
11176
11177         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11178         void * before struct sigcontext *.
11179         (x86_fallback_frame_state): Likewise.
11180
11181 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11182
11183         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11184
11185 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11186
11187         PR tree-opt/22269
11188         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11189         we check for SSA_NAME for.
11190
11191 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11192
11193         Fix PR tree-optimization/22071
11194
11195         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11196         function.
11197         (get_constraint_for_component_ref): Use it.
11198
11199 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11200
11201         PR other/22264
11202         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11203         print out the last new line.
11204
11205 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11206
11207         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11208         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11209         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11210         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11211         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11212         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11213         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11214         (enum reg_class): New member CC0_REGS.
11215         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11216         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11217         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11218         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11219         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11220         Adjust for register now described.
11221
11222 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11223
11224         PR target/22262
11225         * config/i386/i386.md (stack_protect_test_si,
11226         stack_protect_test_di): Add earlyclobber for scratch 3.
11227         * config/rs6000/rs6000.md (stack_protect_testsi,
11228         stack_protect_testdi): Add earlyclobber for scratch 3,
11229         remove earlyclobber from scratch 4.
11230
11231 Older entries for 2005 can be found in ChangeLog-2005.