2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
[official-gcc.git] / gcc / ChangeLog
blob0a08ca7d02efeda550ced0c90a158216c969cde8
1 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
2             Andreas Tobler  <a.tobler@schweiz.ch>
4         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
5         tr expression.
7 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
9         * expr.c (force_operand): Use convert_to_mode for conversions.
11 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
13         * reload.h (reg_equiv_invariant): Declare.
14         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
15         register also when reg_equiv_invariant[R] is set.
17 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
18             Andreas Tobler  <a.tobler@schweiz.ch>
20         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
22 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
24         * tree-ssa-pre.c (bitmap_set_and): New function.
25         (bitmap_set_and_compl): New function.
26         (bitmap_set_empty_p): New function.
27         (insert_extra_phis): New function.
28         (compute_avail): Use insert_extra_phis.
30 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
32         * config/s390/s390.c (s390_expand_atomic): New function.
33         Adjust comment of helper functions.
34         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
35         * config/s390/s390.md ("ATOMIC"): New code macro.
36         ("atomic"): Corresponding new code attribute.
37         ("sync_lock_test_and_set[hq]i", 
38         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
40 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
42         * config/s390/s390.c (s390_expand_mask_and_shift, 
43         struct alignment_context, init_alignment_context, 
44         s390_expand_cs_hqi): New.
45         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
46         * config/s390/s390.md ("sync_compare_and_swaphi",
47         "sync_compare_and_swapqi"): New pattern.
49 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
51         Fix PR tree-optimization/25291
52         * tree-ssa-operands.c (add_call_clobber_ops): Remove
53         redundant and crashing check.
55 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
57         PR target/25212
58         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
59         tests further when !strict && reload_in_progress.
60         (print_operand): Check that both operands of indexed address are regs.
61         (print_operand_address): Likewise.
62         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
63         (INT_REG_OK_FOR_BASE_P): Correct.
65 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
67         Preparation for PR rtl-optimization/20070 / part1
68         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
69         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
70         outgoing_edges_match.
71         (outgoing_edges_match): Use condjump_equiv_p.
72         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
73         into..
74         * struct-equiv.c: New file.
75         (death_notes_match_p) New function, broken out of insns_match_p.
76         * Makefile.in (OBJS-common): Add struct-equiv.o.
77         (struct-equiv.o): New target.
79 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
81         * coretypes.h: Revert previous change.
82         * config/darwin.h: Revert previous reversion.
83         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
85 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
87         * coretypes.h (section): Provide dummy definition for target files.
88         * config/darwin.h: Revert previous change.
90 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
92         * doc/sourcebuild.texi (all.build, install-normal): Remove.
93         * configure.ac: Remove all.build and install-normal from target_list
94         * configure: Regenerate.
95         * Makefile.in (install): Don't depend on install-normal.
97 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
99         * Makefile.in: Document the use of stamps.
101 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
103         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
104         * Makefile.in: Add code to compute some dependencies on s-gtype
105         automatically.  Remove the declaration of those dependencies.
107 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
109         * gcc/reload.c (push_secondary_reload): Fix typo:
110         s/insn_constraint/scratch_constraint/.
112 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
114         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
116 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
118         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
119         (alpha_elf_select_rtx_section): Return the selected section rather
120         than emitting assembly code.
121         (alpha_write_linkage): Emit a ".link" directive directly and then
122         set in_section to NULL.
123         (vms_asm_out_constructor): Use switch_to_section.
124         (vms_asm_out_destructor): Likewise.
125         (unicosmk_output_common): Set in_section to NULL instead of calling
126         the dummy common_section function.
127         (unicosmk_text_section): Delete in favor of...
128         (unicosmk_output_text_section_asm_op): ...this new function.
129         (unicosmk_data_section): Delete in favor of...
130         (unicosmk_output_data_section_asm_op): ...this new function.
131         (unicosmk_init_sections): New function.
132         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
133         (unicosmk_output_ssib): Set in_section to NULL instead of calling
134         the dummy ssib_section function.
135         (unicosmk_section_buf): Delete.
136         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
137         (unicosmk_data_section): Delete.
138         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
139         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
140         (SECTION_FUNCTION_TEMPLATE): Delete.
141         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
142         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
143         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
144         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
145         (TARGET_ASM_INIT_SECTIONS): Define.
146         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
147         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
148         (link_section, literals_section): Delete.
149         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
150         set in_section to NULL.
152         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
153         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
154         (COMMON_SECTION): Delete.
155         (TARGET_ASM_INIT_SECTIONS): Define.
156         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
157         the dummy common_section function.
158         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
159         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
160         between readonly_data_section and text_section to check whether
161         read-only data is being put in the text section.
162         (arm_output_function_epilogue): Use switch_to_section.
163         (arm_elf_asm_constructor): Likewise.
164         (thumb_call_via_reg): Replace call to in_text_section with
165         a comparison between in_section and text_section.
166         (arm_file_end): Use switch_to_section.
167         (aof_text_section): Delete in favor of...
168         (aof_output_text_section_asm_op): ...this new function.
169         (aof_data_section): Delete in favor of...
170         (aof_output_data_section_asm_op): ...this new function.
171         (aof_asm_init_sections): New function.
172         (zero_init_section): Moved from config/arm/aof.h.
173         (aof_dump_imports, aof_file_start): Use switch_to_section.
174         * config/arm/arm.h (thumb_call_via_label): Update comment.
175         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
176         (common_section): Delete.
177         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
178         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
179         global switch_to_section function instead of the old port-local one.
180         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
181         (SWITCH_TO_SECTION_FUNCTION): Delete.
182         (drectve_section): Redefine as a macro.
183         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
184         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
185         switch_to_section.
187         * config/avr/avr.c (progmem_section): New variable.
188         (avr_output_progmem_section_asm_op): New function.
189         (avr_asm_init_sections): New function.
190         (avr_output_addr_vec_elt): Use switch_to_section.
191         * config/avr/avr.h (progmem_section): Declare.
192         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
193         (READONLY_DATA_SECTION): Delete.
194         (TARGET_ASM_INIT_SECTIONS): Define.
195         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
196         * config/avr/avr-protos.h (progmem_section): Delete.
198         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
200         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
201         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
203         * config/darwin-sections.def: New file.
204         * config/darwin.c: Define all sections in darwin-sections.def.
205         (output_objc_section_asm_op, darwin_init_sections): New functions.
206         (machopic_output_indirection): Use switch_to_section.
207         (machopic_select_section): Return the selected section rather than
208         emitting assembly code.  Replace the static function table with
209         inline conditional expressions.  Update the tests of last_text_section
210         and move them into the FUNCTION_DECL block.
211         (machopic_select_rtx_section): Return the selected section rather than
212         emitting assembly code.
213         (machopic_asm_out_constructor, machopic_asm_out_destructor)
214         (darwin_file_end): Use switch_to_section.
215         * config/darwin.h: Use darwin-sections.def to declare sections.
216         (INIT_SECTION_ASM_OP): Remove empty definition.
217         (HAS_INIT_SECTION): Define this instead.
218         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
219         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
220         (TARGET_ASM_EH_FRAME_SECTION): Delete.
221         (TARGET_ASM_INIT_SECTIONS): Define.
222         * config/darwin-protos.h (darwin_init_sections): Declare.
223         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
224         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
225         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
226         (constructor_section, destructor_section, mod_init_section): Delete.
227         (mod_term_section): Delete.
228         (darwin_exception_section, darwin_eh_frame_section): Delete.
229         (machopic_select_section): Return a section.
230         (machopic_select_rtx_section): Likewise.
231         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
232         (const_section, const_coal_section, const_data_section): Delete.
233         (const_data_coal_section, data_coal_section, cstring_section): Delete.
234         (literal4_section, literal8_section, constructor_section): Delete.
235         (mod_init_section, mod_term_section, destructor_section): Delete.
236         (objc_class_section, objc_meta_class_section, objc_category_section)
237         (objc_class_vars_section, objc_instance_vars_section): Delete.
238         (objc_cls_meth_section, objc_inst_meth_section): Delete.
239         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
240         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
241         (objc_symbols_section, objc_module_info_section): Delete.
242         (objc_image_info_section, objc_protocol_section): Delete.
243         (objc_string_object_section, objc_constant_string_object_section)
244         (objc_class_names_section, objc_meth_var_names_section): Delete.
245         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
246         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
247         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
248         (darwin_exception_section, darwin_eh_frame_section): Delete.
249         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
251         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
252         (frv_asm_out_destructor): Likewise.
253         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
254         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
255         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
256         get_named_section.
257         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
258         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
259         (data_section): Delete.
261         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
262         (DRECTVE_SECTION_FUNCTION): Delete.
263         (drectve_section): Redefine as a macro that sets in_section after
264         emitting the directive.
265         (SWITCH_TO_SECTION_FUNCTION): Delete.
266         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
267         in_text_section with comparison between in_section and text_section.
268         * config/i386/i386.c (x86_64_elf_select_section): Return the section
269         rather than emitting assembly code.  Use get_named_section.
270         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
271         get_named_section.
272         (machopic_output_stub): Use switch_to_section.
273         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
274         (nwld_named_section_asm_out_destructor): Use get_section and
275         switch_to_section.
277         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
278         rather than emitting assembly code.
279         (ia64_rwreloc_select_section): Likewise.
280         (ia64_rwreloc_select_rtx_section): Likewise.
281         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
282         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
283         switch_to_section.
284         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
285         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
287         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
288         section rather than emitting assembly code.
289         (iq2000_select_section): Likewise.
290         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
291         (sbss_section): Delete.
293         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
294         and get_named_section.
295         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
297         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
298         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
299         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
300         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
301         in_section to NULL.
302         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
303         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
304         global switch_to_section function instead of the old port-local one.
305         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
306         (SWITCH_SECTION_FUNCTION): Delete.
307         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
308         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
309         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
310         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
311         in_section to NULL.
312         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
313         global switch_to_section function instead of the old port-local one.
314         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
316         * config/mips/mips.c (mips_file_start): Update comment.
317         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
318         (mips_output_aligned_decl_common): Use switch_to_section.
319         (mips_select_rtx_section): Return the section rather than emitting
320         assembly code.  Use get_named_section.
321         (mips_function_rodata_section: Likewise get_section.
322         (build_mips16_function_stub): Use switch_to_section.
323         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
324         (SDATA_SECTION_ASM_OP): Delete.
325         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
326         (EXTRA_SECTION_FUNCTIONS): Delete.
328         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
329         (mmix_asm_output_aligned_local): Use switch_to_section.
331         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
332         (som_one_only_readonly_data_section): New variables.
333         (pa_output_function_epilogue): Set in_section to NULL instead of
334         calling forget_section.
335         (output_deferred_plabels): Use select_section.
336         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
337         of calling forget_section.
338         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
339         (pa_asm_output_aligned_local): Use select_section.
340         (som_text_section_asm_op): Delete in favor of...
341         (som_output_text_section_asm_op): ...this new function.
342         (pa_som_asm_init_sections): New function.
343         (pa_select_section): Return the section rather than emitting
344         assembly code.
345         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
346         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
347         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
348         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
349         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
350         (som_readonly_data_section, som_one_only_readonly_data_section)
351         (som_one_only_data_section, forget_section): Delete.
352         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
353         (TARGET_ASM_INIT_SECTIONS): Define.
354         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
356         * config/rs6000/rs6000.c (read_only_data_section): New variable.
357         (private_data_section, read_only_private_data_section): New variables.
358         (sdata2_section, toc_section): New variables.
359         (rs6000_file_start): Use switch_to_section.
360         (rs6000_assemble_integer): Use comparisons against in_section
361         instead of calling in_toc_section and in_text_section.  Use
362         unlikely_text_section_p.
363         (rs6000_elf_output_toc_section_asm_op): New function, derived
364         from the old rs6000/sysv4.h toc_section function.
365         (rs6000_elf_asm_init_sections): New function.
366         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
367         the section rather than emitting assembly code.
368         (machopic_output_stub): Use switch_to_section.
369         (toc_section): Delete dummy function.
370         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
371         switch_to_section and get_section.
372         (rs6000_xcoff_output_readonly_section_asm_op): New function.
373         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
374         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
375         the old rs6000/xcoff.h toc_section function.
376         (rs6000_xcoff_asm_init_sections): New function.
377         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
378         the section rather than emitting assembly code.
379         (rs6000_xcoff_file_start): Use switch_to_section.
380         (rs6000_xcoff_file_end): Likewise.
381         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
382         (sdata2_section, sbss_section, private_data_section): Delete.
383         (read_only_data_section, read_only_private_data_section): Delete.
384         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
385         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
386         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
387         (FINI_SECTION_FUNCTION): Delete.
388         (TARGET_ASM_INIT_SECTIONS): Define.
389         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
390         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
391         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
392         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
393         (READONLY_DATA_SECTION): Delete.
394         (TARGET_ASM_INIT_SECTIONS): Define.
395         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
396         to NULL rather than no_section.
397         (TARGET_ASM_EXCEPTION_SECTION): Delete.
399         * config/sh/sh.c (sh_file_start): Use switch_to_section.
401         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
402         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
403         from call to current_function_section.
405         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
406         (bss100_section): New variable.
407         (xstormy16_asm_output_aligned_common): Use switch_to_section.
408         (xstormy16_asm_init_sections): New function.
409         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
410         switch_to_section and get_section.
411         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
412         from calls to current_function_section.
413         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
414         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
415         (TARGET_ASM_INIT_SECTIONS): Define.
416         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
418         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
419         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
420         (FINI_SECTION_FUNCTION): Delete.
422         * config/v850/v850.c: Include gt-v850.h.
423         (rosdata_section, rozdata_section, tdata_section, zdata_section)
424         (zbss_section): New variables.
425         (v850_output_aligned_bss): Use switch_to_section.
426         (v850_asm_init_sections): New function.
427         (v850_select_section): Return the section rather than emitting
428         assembly code.
429         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
430         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
431         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
432         (TARGET_ASM_INIT_SECTIONS): Define.
433         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
434         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
435         (zbss_section): Delete.
437         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
439         * config/vx-common.h (vxworks_exception_section): Delete.
440         (TARGET_ASM_EXCEPTION_SECTION): Delete.
442         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
443         section rather than emitting assembly code.
444         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
445         switch_to_section.
447         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
448         * coretypes.h (section): New union and typedef.
449         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
450         from call to current_function_section.
451         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
452         (dbxout_symbol_location): Use switch_to_section.
453         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
454         most of the code into...
455         (default_eh_frame_section): ...here.  Return a section.
456         (collect2_eh_frame_section): Delete, moving most of the code into..
457         (switch_to_eh_frame_section): ...this new function.
458         (debug_info_section, debug_abbrev_section, debug_aranges_section)
459         (debug_macinfo_section, debug_line_section, debug_loc_section)
460         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
461         variables.
462         (output_call_frame_info): Call switch_to_eh_frame_section instead of
463         eh_frame_section.  Use switch_to_section and get_section.
464         (dwarf2out_begin_prologue): Use switch_to_section.
465         (AT_string_form): Check the flags in debug_str_section instead of
466         DEBUG_STR_SECTION_FLAGS.
467         (output_comp_unit): Use switch_to_section, get_section, and
468         debug_info_section.
469         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
470         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
471         from call to current_function_section.
472         (dwarf2out_var_location): Use unlikely_text_section_p.
473         (dwarf2out_source_line): Use switch_to_section.  Remove argument
474         from call to current_function_section.
475         (dwarf2out_start_source_file, dwarf2out_end_source_file)
476         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
477         debug_macinfo_section.
478         (dwarf2out_init): Initialize the new section variables.  Use them
479         instead of calls to named_section_flags.  Use switch_to_section.
480         (output_indirect_string): Use switch_to_section and debug_str_section.
481         (dwarf2out_finish): Use switch_to_section and the new section
482         variables.
483         * except.c (default_exception_section): Return the section instead
484         of emitting assembly code.
485         (output_function_exception_table): Use the global exception_section
486         variable instead of the target hook.  Use switch_to_section.  Remove
487         argument from call to current_function_section.
488         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
489         (shorten_branches): Use pointer comparisons to detect whether the
490         text section is the same as readonly_data_section.
491         (profile_function): Use switch_to_section.  Remove argument from
492         call to current_function_section.
493         (final_scan_insn): Likewise.  Update use of last_text_section.
494         * gengtype.c (open_base_files): Add an include of output.h.
495         * output.h (text_section, data_section, readonly_data_section)
496         (ctors_section, dtors_section, bss_section, init_section)
497         (fini_section, sdata_section): Turn into section pointers.
498         (in_text_section, in_unlikely_text_section, exports_section)
499         (drectve_section, named_section, mergeable_string_section)
500         (last_text_section_name): Delete.
501         (default_exception_section, default_eh_frame_section): Return sections.
502         (SECTION_DECLARED, SECTION_NAMED): New macros.
503         (SECTION_MACH_DEP): Bump value.
504         (section_common, named_section, unnamed_section): New structures.
505         (unnamed_section_callback): New typedef.
506         (section): New union.
507         (sbss_section, exception_section, eh_frame_section): New variables.
508         (in_section, last_text_section): Turn into section pointers.
509         (get_unnamed_section, get_section, get_named_section): New functions.
510         (mergeable_constant_section, function_section): Return a section.
511         (unlikely_text_section): Likewise.
512         (current_function_section): Likewise.  Remove the decl argument.
513         (unlikely_text_section_p, switch_to_section): New functions.
514         (output_section_asm_op): New function.
515         (set_named_section_flags, named_section_flags, named_section_real)
516         (named_section_first_declaration): Delete.
517         (default_select_section, default_elf_select_section): Return a section.
518         (default_elf_select_section_1, default_function_rodata_section)
519         (default_no_function_rodata_section, default_select_rtx_section)
520         (default_elf_select_rtx_section): Likewise.
521         * rtl.h (in_data_section): Delete.
522         * sdbout.c (sdbout_one_type): Use switch_to_section.
523         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
524         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
525         (TARGET_ASM_EH_FRAME_SECTION): Poison.
526         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
527         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
528         (TARGET_ASM_OUT): Update after above changes.
529         * target.h (init_sections): New hook.
530         (exception_section, eh_frame_section): Delete.
531         (select_section, select_rtx_section, function_rodata_section): Return
532         a section rather than emitting assembly code.
533         * varasm.c (text_section, data_section, readonly_data_section)
534         (ctors_section, dtors_section, bss_section, init_section)
535         (fini_section): Turn into section pointers.
536         (sdata_section, sbss_section, exception_section): New variables.
537         (eh_frame_section): New variable.
538         (in_section): Make global and turn into a section pointer.
539         (last_text_section): Turn into a section pointer.
540         (unnamed_sections): New variable.
541         (in_named_name, last_text_section_name): Delete.
542         (EXTRA_SECTION_FUNCTIONS): Delete.
543         (in_named_entry): Delete.
544         (section_htab): New variable, replacing...
545         (in_named_htab): ...this deleted variable.
546         (section_entry_eq, section_entry_hash): New functions, based on...
547         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
548         (get_unnamed_section, get_section): New functions.
549         (unlikely_text_section): Return a section instead of emitting
550         assembly code.
551         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
552         (get_named_section_flags, named_section_first_declaration): Delete.
553         (unlikely_text_section_p): New function.
554         (named_section_real, named_section): Delete.
555         (get_named_section): New function.
556         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
557         (function_section): Return a section rather than emitting
558         assembly code.
559         (current_function_section): Likewise.  Remove argument.  Use
560         last_text_section if nonnull, otherwise use function_section.
561         (default_function_rodata_section): Return a section rather than
562         emitting assembly code.  Use get_section.
563         (default_no_function_rodata_section): Return a section rather than
564         emitting assembly code.
565         (variable_section): Use switch_to_section and get_named_section.
566         (mergeable_string_section): Return a section rather than emitting
567         assembly code.  Use get_section.  Make static.  Don't take special
568         countermeasures for empty strings.
569         (mergeable_constant_section): Return a section rather than emitting
570         assembly code.  Use get_section.
571         (default_named_section_asm_out_destructor): Use switch_to_section
572         and get_section.
573         (default_dtor_section_asm_out_destructor): Use switch_to_section.
574         (default_named_section_asm_out_constructor): Use switch_to_section
575         and get_section.
576         (default_ctor_section_asm_out_constructor): Use switch_to_section.
577         (assemble_start_function): Likewise.  Set last_text_section to
578         NULL rather than no_section.  Change the type of save_section.
579         (assemble_zeros, assemble_variable): Use the section flags to detect
580         whether or not a section is text.
581         (assemble_static_space): Use switch_to_section.
582         (assemble_trampoline_template): Likewise.
583         (output_constant_def_contents): Use switch_to_section and
584         get_named_section.
585         (output_constant_pool_1): Use switch_to_section.  Use the section
586         flags to see whether sections contain mergeable data.
587         (init_varasm_once): Initialize section_htab instead of in_named_htab.
588         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
589         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
590         whether a section has already been declared.
591         (default_select_section, default_elf_select_section): Return a
592         section rather than emitting assembly code.
593         (default_elf_select_section_1): Likewise.  Use bss_section for
594         SECCAT_BSS if nonnull.  Use get_named_section.
595         (default_select_rtx_section): Return a section rather than
596         emitting assembly code.
597         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
598         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
599         (output_section_asm_op, switch_to_section): New functions.
600         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
601         get_named_section.
603         * doc/tm.texi: Expand the introduction to the sections documentation.
604         (TRAMPOLINE_SECTION): Document new interface.
605         (SDATA_SECTION_ASM_OP): Document new macro.
606         (READONLY_DATA_SECTION): Delete.
607         (SDATA_SECTION_ASM_OP): Document new macro.
608         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
609         (TARGET_ASM_INIT_SECTIONS): Document new hook.
610         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
611         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
612         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
614 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
616         * gcc.c (init_gcc_specs): Match braces inside conditionally
617         compiled strings.
619 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
621         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
623 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
625         PR C++/24138
626         * tree.c (integer_all_onesp): Always return true if all bits on.
628         * testsuite/g++.dg/init/array0.C: New.
630 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
632         * doc/md.texi: Adapt to implementation.
634 2005-12-06  Andreas Schwab  <schwab@suse.de>
636         * opts.c (decode_options): Fix typo in message.
638 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
640         PR other/13873
641         * longlong.h: Merge PPC tests from upstream.
643 2005-12-06  Richard Guenther  <rguenther@suse.de>
645         * fold-const.c (fold_convert): Do not build and fold
646         CONVERT_EXPR, but always use NOP_EXPR.
648 2005-12-06  Jan Beulich  <jbeulich@novell.com>
650         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
651         __builtin_ia32_paddq and __builtin_ia32_subq.
652         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
653         __builtin_ia32_pshufw.
654         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
656 2005-12-05  James E Wilson  <wilson@specifix.com>
658         PR target/24934
659         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
660         is set.
662 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
663         
664         * print-tree.c (print_node): Ditto.
665         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
666         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
667         before accessing DECL_ARTIFICIAL. 
668         Handle new tag tree codes.
669         * tree-flow-inline.h (clear_call_clobbered): Update for tag
670         changes.
671         (unmodifiable_var_p): Ditto.
672         * tree-flow.h (mem_tag_kind): Remove.
673         (struct var_ann_d): Remove mem_tag_kind member.
674         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
675         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
676         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
677         (group_aliases): Ditto.
678         (setup_pointers_and_addressables): Ditto.
679         (is_escape_site): Ditto.                                          
680         (may_alias_p): Ditto.
681         (create_tag_raw): New function.
682         (create_memory_tag): Use it.
683         (dump_alias_info): Update for tags.
684         (may_be_aliased): Ditto.
685         (add_type_alias): Ditto.
686         (new_type_alias): Ditto.
687         (create_sft): Ditto.
688         (create_structure_vars): Ditto.
689         * tree-ssa-ccp.c (get_default_value): Ditto.
690         * tree-ssa-operands.c (get_expr_operands): Ditto.
691         (add_stmt_operand): Ditto.
692         (add_call_clobber_ops): Remove duplicated condition.
693         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
694         tags.
695         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
696         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
697         * tree.c (init_ttree): Update structures for new tree codes.
698         (tree_code_size): Update sizes for new tree codes.
699         (make_node_stat): Don't try to set common things on minimal
700         structures.
701         (tree_node_structure): Update for tags.
702         (is_global_var): Ditto.
703         * tree.def: Add new tree codes.
704         * tree.h (MTAG_P): New macro.
705         (TREE_MEMORY_TAG_CHECK): Ditto.
706         (SSA_VAR_P): Update for tags.
707         (struct tree_memory_tag): New structure.
708         (MTAG_GLOBAL): New macro.
709         (union tree_node): Add memory tag member.
710         * treestruct.def (TS_MEMORY_TAG): New.
711         
712 2005-12-05  Dale Johannesen  <dalej@apple.com>
714         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
715         what was approved (PR 24323).
717 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
719         * doc/c-tree.texi (Function Bodies): Remove description of
720         RETURN_INIT.
722 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
724         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
725         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
726         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
727         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
728         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
729         __divxc3): Document.
731 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
733         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
734         previous behaviour.
735         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
736         hook_bool_void_false.
737         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
738         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
740         * config/darwin.c (machopic_select_section): It's not defined
741         as weak if it's only marked as weak_import.
742         
743         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
744         Prototype.
746         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
747         A hidden weak object does bind locally.  Strong linkonce data
748         counts like any other strong symbol for binding.
749         (weak_finish_1): Don't specially handle weakrefs, they no longer
750         arrive here.
751         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
752         * c-common.c (handle_alias_attribute): Allow static aliases
753         of variables.
754         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
755         * gthr-dce.h: Make weakrefs static.
756         * gthr-tpf.h: Likewise.
757         * gthr-solaris.h: Likewise.
758         * gthr-posix.h: Likewise.
759         * gthr-posix95.h: Likewise.
760         * config/darwin.c (darwin_encode_section_info): static weakref
761         variables are not necessarily defined in this translation unit.
762         * doc/extend.texi (Function Attributes): Mention that an alias
763         attribute creates a definition for the thing it's attached to.
764         Change the documentation for weakref to say that the thing
765         it's attached to must be static.
767         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
768         we don't go into an infinite loop.
770 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
772         * config/rs6000/predicates.md (logical_const_operand): Split
773         out of logical_operand.
774         (logical_operand): Use it.
775         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
776         logical_const_operand.
778 2005-12-05  Jan Beulich  <jbeulich@novell.com>
780         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
781         and IX86_BUILTIN_CMPNESS.
782         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
783         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
784         * config/i386/i386.md (movti_internal): Correct type attribute.
785         Simplify mode attribute.
786         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
787         Correct type attribute.
788         (absxf2): Correct operator.
789         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
790         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
791         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
792         mode attribute.
793         (sse2_vmsqrtv2df2): Correct mode attribute.
795 2005-12-05  Jan Beulich  <jbeulich@novell.com>
797         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
798         16 bits. Provide insn pattern for this case.
800 2005-12-05  Jan Beulich  <jbeulich@novell.com>
802         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
803         result.
804         (__popcountDI2): Likewise.
806 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
808         PR target/25166
809         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
810         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
811         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
812         functions.
814 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
816         * c-typeck.c (null_pointer_constant_p): New function.
817         (build_conditional_expr, build_c_cast, convert_for_assignment,
818         build_binary_op): Use it.
820 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
822         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
823         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
824         CONVERT_EXPR.
825         (check_function_arguments_recurse): Allow both NOP_EXPR and
826         CONVERT_EXPR but check conversions preserve precision.
827         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
828         but check conversions preserve precision.
829         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
830         default case.
832 2005-12-04  Roger Sayle  <roger@eyesopen.com>
834         PR c/7776
835         * common.opt (Wstring-literal-comparison): New command line option.
836         * c-opts.c (c_common_handle_option): Set it with -Wall.
837         * c-typeck.c (parser_build_binary_op): Issue warning if either
838         operand of a comparison operator is a string literal, except for
839         testing equality or inequality against NULL.
841         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
843 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
845         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
846         of building a NOP_EXPR.
847         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
848         NOP_EXPR.
849         * c-convert.c (convert): Use fold_convert instead of building
850         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
851         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
852         #if 0 code.
853         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
854         NOP_EXPR the same as CONVERT_EXPR.
855         * c-typeck.c (build_function_call): Use fold_convert instead of
856         building a NOP_EXPR directly.
857         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
859 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
861         PR rtl-optimization/25197
862         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
863         have a reg.
865 2005-12-02  Stuart Hastings  <stuart@apple.com>
867         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
868         warning.
870 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
872         * c-typeck.c (default_function_array_conversion,
873         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
874         (build_conditional_expr): Apply integer_zerop to orig_op1 and
875         orig_op2.  Don't check them for NOP_EXPR.
876         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
877         around integer zero.
879 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
881         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
882         toc_save_offset, toc_size, lr_size.
883         (rs6000_stack_info): Use memset rather than bss struct copy to init.
884         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
885         Adjust for removal of unused rs6000_stack_t fields.
886         (debug_stack_info): Adjust.
887         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
888         first, and don't bother checking for set/inc of lr on sibcalls.
889         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
891 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
893         PR target/25199
894         * config/i386/i386.md (movqi_1): Only force imovx for alternative
895         5 if operand 1 is not aligned.  Undo previous constraint change.
896         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
898 2005-12-02  Richard Guenther  <rguenther@suse.de>
900         * tree.h (build): Remove prototype.
901         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
902         * tree.c (build): Remove.
903         (build0_stat): Update comment.
905 2005-12-02  Richard Guenther  <rguenther@suse.de>
907         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
908         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
909         Likewise.
910         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
911         maybe_fold_offset_to_component_ref): Likewise.
912         * tree-ssa-dom.c (thread_across_edge,
913         simplify_rhs_and_lookup_avail_expr,
914         find_equivalent_equality_comparison, record_equivalences_from_stmt):
915         Likewise.
916         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
917         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
918         lower_try_finally_switch): Likewise.
919         * tree-if-conv.c (add_to_dst_predicate_list,
920         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
921         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
922         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
923         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
924         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
925         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
926         gimplify_init_ctor_eval, gimplify_init_constructor,
927         gimplify_variable_sized_compare, gimplify_boolean_expr,
928         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
929         gimplify_expr, gimplify_body, gimplify_function_tree,
930         force_gimple_operand): Likewise.
931         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
932         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
933         mx_register_decls): Likewise.
934         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
935         get_frame_field, finalize_nesting_tree_1): Likewise.
936         * tree-inline.c (setup_one_parameter): Likewise.
937         * tree-vect-transform.c (vectorizable_condition): Likewise.
938         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
939         Likewise.
940         * tree-profile.c (tree_gen_edge_profiler): Likewise.
941         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
942         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
943         * tree-chrec.h (build_polynomial_chrec): Likewise.
945 2005-12-02  Richard Guenther  <rguenther@suse.de>
947         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
948         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
949         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
950         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
951         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
952         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
953         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
954         Likewise.
955         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
956         sh_adjust_unroll_max): Likewise.
957         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
958         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
959         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
960         Likewise.
961         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
962         Likewise.
963         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
964         Likewise.
966 2005-12-02  Richard Guenther  <rguenther@suse.de>
968         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
969         simplify_cond_using_ranges): Use buildN instead of build.
970         * tree-tailcall.c (adjust_accumulator_values,
971         adjust_return_value): Likewise.
972         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
973         generate_element_copy, generate_element_zero,
974         generate_one_element_init): Likewise.
975         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
976         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
977         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
978         perfect_nestify): Likewise.
980 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
982         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
984 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
986         * ggc.h (GGC_RESIZEVEC): New.
988 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
990         * gcc.c (execute): Improve readability.
992 2005-12-02  Richard Guenther  <rguenther@suse.de>
994         * tree-cfg.c (mark_used_vars): New function.
995         (dump_function_to_file): Dump only used VAR_DECLs.
997 2005-12-02  Richard Guenther  <rguenther@suse.de>
999         * convert.c (convert_to_integer): Fix compare for nonpositive
1000         constant to use tree_int_cst_sgn <= 0.
1002 2005-12-02  Richard Guenther  <rguenther@suse.de>
1004         * convert.c (convert_to_integer): Use fold_convert instead
1005         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1006         instead of comparing against 0.  Use build_int_cst instead
1007         of converting integer_zero_node.
1009 2005-12-02  Richard Guenther  <rguenther@suse.de>
1011         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1012         and RROTATE_EXPR.
1014 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1016         PR target/21017
1017         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1018         rotates.
1020 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1022         PR middle-end/25176
1023         * function.c (expand_function_end): Emit blockage for unwinder
1024         after return label.
1026 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1028         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1029         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1030         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1031         integer constant comparisons.
1033 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1034             Janis Johnson  <janis187@us.ibm.com>
1035             David Edelsohn  <dje@watson.ibm.com>
1036             Ben Elliston  <bje@au.ibm.com>
1038         * dfp.h, dfp.c: New files.
1039         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1040         (DECNUM_H): Likewise.
1041         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1042         (INCLUDES): Append $(DECNUMINC).
1043         (OBJS-common): Add dfp.o.
1044         (dfp.o): New rule.
1045         * real.h (EXP_BITS): Pinch one bit to ..
1046         (struct real_value): Add decimal field.
1047         (real_format): Change table size, update documentation.
1048         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1049         (real_from_string3): Declare.
1050         (decimal_single_format): Declare.
1051         (decimal_double_format): Declare.
1052         (decimal_quad_format): Declare.
1053         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1054         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1055         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1056         * real.c: Include dfp.h.
1057         (normalize): Early return for decimal floats.
1058         (do_add): Zero decimal field.
1059         (do_compare): Call do_decimal_compare for decimal floats.
1060         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1061         (real_arithmetic): Call decimal_real_arithmetic for decimal
1062         floating point operands.
1063         (real_identical): If a and b are of differing radix, return false.
1064         (real_to_integer): Call decimal_real_to_integer if the value is a
1065         decimal float.
1066         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1067         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1068         (real_to_hexadecimal): Place "N/A" in the return string for
1069         decimal float.
1070         (real_from_string3): New variant, given a mode.
1071         (real_maxval): Use decimal_real_maxval for decimal floats.
1072         (round_for_format): Use decimal_round_for_format for decimals.
1073         (real_convert): Use decimal_real_convert where appropriate.
1074         (significand_size): Handle base 10.
1075         (encode_decimal_single, decode_decimal_single,
1076         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1077         decode_decimal_quad): New functions.
1078         (decimal_single_format): New.
1079         (decimal_double_format): New.
1080         (decimal_quad_format): New.
1081         * machmode.def: Add SD, DD and TD decimal floating point modes.
1082         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1083         Include MODE_DECIMAL_FLOAT.
1084         (DECIMAL_FLOAT_MODE_P): New.
1085         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1086         * genmodes.c (struct mode_data): Add counter field.
1087         (struct mode_data): Update comment for format.
1088         (blank_mode): Initialise counter field.
1089         (new_mode): Increment counter field for each mode defined.
1090         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1091         using a format.
1092         (make_complex_modes): Handle modes containing `D'.
1093         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1094         (make_decimal_float_mode): New.
1095         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1096         (cmp_modes): Compare counter field if other characteristics
1097         similar.
1098         (emit_real_format_for_mode): Support formats for decimal floats.
1099         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1100         Document MODE_DECIMAL_FLOAT.
1102 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1104         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1105         Delete dead code.
1107 2005-12-01  Richard Henderson  <rth@redhat.com>
1109         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1111 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1113         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1115         * config/pa/pa.c (pa_init_builtins): If we detect
1116         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1117         putc_unlocked.
1119 2005-12-01  Richard Guenther  <rguenther@suse.de>
1121         * fold-const.c (fold_binary): Use fold_build2, not
1122         fold (build (...)).
1124 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1126         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1128         * vec.h (VEC_block_remove): New.
1130 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1132         PR c/13384
1133         * c-common.c (lvalue_error): Fix wording.
1135 2005-12-01  Richard Guenther  <rguenther@suse.de>
1137         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1138         thinko in last patch.
1140 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1142         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1143         than -flat_namespace.
1145 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1147         * mklibgcc.in: Parameterise the script to build soft float
1148         functions by iterating over each type, rather than cloning the
1149         code for each type.
1151 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1153         PR middle-end/25158
1154         * builtins.c (fold_builtin_fputs): Defer check for missing
1155         replacement functions.
1157 2005-11-30  Kean Johnston  <jkj@sco.com>
1159         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1160         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1162 2005-11-30  Richard Guenther  <rguenther@suse.de>
1164         PR tree-optimization/22501
1165         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1166         function split out from ...
1167         (forward_propagate_addr_expr): ... here.  Use it to propagate
1168         ADDR_EXPRs to all uses.
1170 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1172         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1173         * builtins.c (expand_builtin_mathfn): Use them.
1174         (expand_builtin_mathfn_2): Likewise.
1175         (expand_builtin_mathfn_3): Likewise.
1176         (expand_builtin_int_roundingfn): Likewise.
1177         (expand_builtin): Likewise.
1178         (integer_valued_real_p): Likewise.
1179         (fold_builtin_int_roundingfn): Likewise.
1180         (fold_builtin_bitop): Likewise.
1181         (fold_builtin_logarithm): Likewise.
1182         (fold_builtin_1): Likewise.
1183         * convert.c (convert_to_integer): Likewise.
1184         * fold-const.c (negate_mathfn_p): Likewise.
1185         (tree_expr_nonnegative_p): Likewise.
1187 2005-11-30  Dale Johannesen  <dalej@apple.com>
1188             Andrew Pinski  <pinskia@physics.uc.edu>
1190         * combine.c (find_split_point):  Sign extend bitmask
1191         when changing bitfield assignment to IOR of AND.
1193 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1195         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1196         clobber to scratch reg.
1197         (*decrement_and_branch_until_zero_no_clobber): Remove.
1198         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1199         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1200         * config/ms1/ms1.opt (mmul): Remove.
1201         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1202         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1204 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1205             Bernd Schmidt  <bernd.schmidt@analog.com>
1207         * pa/predicates.md (symbolic_operand): Add comment.
1208         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1209         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1210         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1211         (pa_secondary_reload_class): Delete.
1212         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1213         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1214         copy of symbolic operand.
1215         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1217 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1219         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1220         jump.
1222 2005-11-30  Jeff Law  <law@redhat.com>
1224         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1225         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1227 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1229         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1230         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1231         (ia64_expand_move): Adjust caller.
1233         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1234         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1235         negate VAL.
1237 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1239         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1240         Always produce an output if we can remove NEGs or canonicalize
1241         (minus (minus ...)) expressions.  Provide a fast path for the
1242         two-operand case.
1243         (simplify_gen_binary): Do not call simplify_plus_minus.
1244         (simplify_binary_operation_1): Reassociate at the end of the
1245         function.
1247 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1249         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1250         moves and unpack to speed up.
1252 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1254         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1255         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1256         (gen_v9_scc): Update callers.
1257         * config/sparc/sparc.md: Likewise.
1258         * config/sparc/sparc-protos.h: Update extern declaration.
1260         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1262 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1264         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1265         the if.
1267 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1269         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1270         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1271         (negate_expr): Here.
1273 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1275         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1276         Fix typo in comment.
1278 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1280         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1281         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1283 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1285         PR middle-end/20109
1286         PR middle-end/25120
1287         * builtins.c (init_target_chars): New.
1288         (expand_builtin_printf, expand_builtin_fprintf,
1289         expand_builtin_sprintf, fold_builtin_sprintf,
1290         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1291         fold_builtin_snprintf_chk, fold_builtin_printf,
1292         fold_builtin_fprintf): Check for matching format strings using
1293         the target charset.
1295 2005-11-29  Paul Brook  <paul@codesourcery.com>
1297         * config.gcc: Do not use fixproto on m68k-elf.
1299 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1301         * expmed.c (div_cost): Replace with...
1302         (sdiv_cost, udiv_cost): New.
1303         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1304         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1305         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1306         (expand_divmod): Replace use of div_cost with either sdiv_cost
1307         or udiv_cost depending upon the signedness of the operation.
1309 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1311         PR libfortran/24991
1312         * config/darwin.c (machopic_indirection_name,
1313         machopic_output_indirection): Follow transparent alias chain.
1315 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1317         * varasm.c (ultimate_transparent_alias_target): Add comment.
1319 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1321         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1322         SET_SRC instead of XEXP where appropriate.
1324 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1326         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1327         __builtin_expect.
1329 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1331         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1332         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1333         bit at a time.
1335 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1337         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1338         secondary_input_reload_class, made static.  Adapt to new
1339         infrastructure.
1340         (secondary_output_reload_class): Delete.
1341         (TARGET_SECONDARY_RELOAD): New macro.
1342         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1343         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1345 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1347         PR c++/21166
1348         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1349         when its natural alignment is > BITS_PER_UNIT.
1350         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1351         * c-common.c (handle_packed_attribute): Ignore packing on a field
1352         whose type is naturally char aligned.
1354 2005-11-28  Richard Guenther  <rguenther@suse.de>
1356         * c-common.c (strict_aliasing_warning): Handle all
1357         component-ref like accesses.
1359 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1360             Uros Bizjak  <uros@kss-loka.si>
1362         PR middle-end/20219
1363         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1364         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1365         when flag_unsafe_math_optimizations is set and
1366         we don't care about NaNs or Infinities.
1368         Move x/expN(y) and x/pow(y,z) transformation into common
1369         flag_unsafe_math_optimizations section.
1371 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1373         * gcc.c (main): Change type of argv to "char **".
1375 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1377         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1378         small data sections.
1379         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1380         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1381         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1382         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1383         output locals to sbss if !rs6000_elf_in_small_data_p.
1384         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1386 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1388         PR target/24997
1389         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1390         generated by reload.
1391         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1392         indexed_or_indirect_address.
1393         (indexed_or_indirect_address): Don't test for base reg.  Call
1394         address_operand last.  Make it a special predicate.
1396 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1398         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1400 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1402         PR middle-end/24575
1403         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1404         is undefined.
1405         (negate_expr): Likewise.
1407 2005-11-27  Andreas Schwab  <schwab@suse.de>
1409         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1410         redundant parens.
1412 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1414         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1415         has EH predecessor edges.
1417 2005-11-26  Eric Christopher  <echristo@apple.com>
1419         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1420         register stalls by zero extending to the full register.
1422 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1424         * config/floatunsisf.c, config/floatunsidf.c,
1425         config/floatunsixf.c, config/floatunsitf.c: New files.
1426         * config/ia64/t-hpux: Add floatunsitf.c.
1427         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1428         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1430 2005-11-26  Richard Henderson  <rth@redhat.com>
1432         * c-lex.c (pragma_lex): Rename from c_lex.
1433         * c-pch.c: Update for pragma_lex rename.
1434         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1435         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1436         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1437         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1438         * doc/tm.texi: Likewise.
1440 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1442         PR middle-end/23669
1443         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1444         when overflow is undefined.
1446 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1448         * doc/md.texi (Insn Canonicalizations): Refer to the
1449         function commutative_operand_precedence for further rules.
1451 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1453         PR middle-end/21309
1454         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1455         is less than zero.  Limit mult_cost to a reasonable upper bound for
1456         the synthetic multiplication sequence.
1458 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1460         PR middle-end/25022
1461         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1462         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1463         Lookup the explicit replacement functions for any unlocked
1464         stdio builtin transformations.
1466 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1468         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1469         earlyclobber.
1470         * targhooks.c (default_secondary_reload): Don't require operand 2
1471         for an input reload to be earlyclobber.
1473 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1475         * fold-const.c (negate_mathfn_p): Fix comment and add support
1476         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1477         BUILT_IN_ATANH.
1479 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1481         PR middle-end/24998
1482         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1483         _Q_ulltoq for unsigned conversions from SImode and DImode to
1484         TFmode.
1486 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1488         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1489         (__floatundidf, __floatundisf): Likewise.
1491 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1493         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1494         (rs6000_override_options): Remove initialization of
1495         rs6000_sr_alias_set.
1496         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1497         (rs6000_emit_stack_tie): Same.
1498         (emit_frame_save): Same.
1499         (gen_frame_mem_offset): Same.
1500         (rs6000_emit_prologue): Same.
1501         (rs6000_emit_epilogue): Same.
1503 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1505         PR middle-end/24989
1506         * fold-const.c (fold_build): Convert bool_var != 1 and
1507         bool_var == 0 to !bool_var.
1509 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1511         PR middle-end/24990
1512         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1513         for C being INTEGER_CST.  Likewise for !=.
1515 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1517         PR middle-end/24998
1518         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1519         unsigned conversions from SImode to TFmode.
1521 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1523         * expr.c (expand_expr_real_1): Fix error in last change.
1525 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1527         * caller-save.c: (this_insn_sets): Move into:
1528         (save_call_clobbered_regs).
1529         (mark_set_regs): Get this_insn_sets from data.
1531         (save_call_clobbered_regs): Take sets of the return value by
1532         sibcalls into account.
1534 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1535         PR target/21623:
1537         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1538         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1539         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1540         (memory_move_secondary_cost, init_reg_autoinc): Remove
1541         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1542         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1543         secondary_reload_class call.
1544         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1545         callers.
1546         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1547         (push_secondary_reload): Use secondary_reload target hook.
1548         (secondary_reload_class, scratch_reload_class): New functions.
1549         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1550         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1551         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1552         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1553         (secondary_reload_class, scratch_reload_class): Declare.
1554         * reload1.c: Include target.h.
1555         (reload_adjust_reg_for_temp): New function.
1556         (reload_adjust_reg_for_icode): Likewise.
1557         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1558         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1559         call.
1560         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1561         for inheritance.  Support case when both secondary & tertiary reloads
1562         are for intermediate registers.
1563         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1564         with secondary_reload_class call.  Support case when both secondary
1565         & tertiary reloads are for intermediate registers.
1566         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1567         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1568         * target.h (secondary_reload_info): New struct / typedef.
1569         (struct gcc_target): New member secondary_reload.
1570         * targhooks.c Include reload.h, optabs.h and recog.h.
1571         (default_secondary_reload): New function.
1572         * targhooks.h (default_secondary_reload): Declare.
1573         * doc/tm.texi: Document secondary_reload target hook.  Update
1574         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1575         * doc/md.texi: Likewise.
1577         * sh-protos.h (sh_secondary_reload): Declare.
1578         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1579         (sh_secondary_reload): New function.
1580         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1581         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1582         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1583         (HAVE_SECONDARY_RELOADS): Define.
1584         * sh.md (reload_indf): Rename to:
1585         (reload_indf__frn).
1586         (reload_outdf): Rename to:
1587         (reload_outdf__RnFRm).
1588         (reload_insf): Rename to:
1589         (reload_insf__frn).
1590         (reload_insi): Rename to:
1591         (reload_insi__i_fpul).
1593 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1595         * configure.ac: Require at least texinfo 4.4.
1596         * configure: Regenerate.
1598         * doc/install.texi (Tools/packages necessary for building GCC):
1599         Update required version of texinfo to at least 4.4.
1600         (Installing GCC: Building): Update required version of texinfo
1601         to at least 4.4.
1602         (Installing GCC: Final installation): Update required version
1603         of texi2dvi to at least 4.4.
1604         (Host/target specific installation notes for GCC): Update required
1605         version of texinfo to at least 4.4.
1607 2005-11-24  Richard Guenther  <rguenther@suse.de>
1608         Dirk Mueller <dmueller@suse.de>
1610         PR c++/14024
1611         * c-common.h (strict_aliasing_warning): Declare.
1612         * c-common.c (strict_aliasing_warning): New function,
1613         split out from ...
1614         * c-typeck.c (build_c_cast): ... here.
1616 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1618         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1619         to order operands.
1620         (swap_commutative_operands_with_target): New.
1622 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1624         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1625         also when doing PRE, rather than only for global CPROP.
1627 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1629         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1630         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1631         formatting.
1632         (expand_twoval_unop): Likewise.
1633         (widen_clz): Likewise.
1634         (expand_parity): Likewise.
1635         (expand_unop): Likewise.
1636         (emit_cmp_and_jmp_insn_1): Likewise.
1637         (prepare_float_lib_cmp): Likewise.
1639 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1641         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1642         Remove unused `class' variable.
1644 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1646         PR c++/21667
1647         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1648         C/C++ diagnostic function warn_array_subscript_with_type_char.
1649         * c-common.h (warn_array_subscript_with_type_char): Declare.
1650         * c-common.c (warn_array_subscript_with_type_char): Define.
1652 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1654         PR c/21668
1655         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1656         compiling at the intersection of C and C++.
1658 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1660         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1661         List @file in the option summary.  Include the libiberty
1662         documentation for @file.
1663         * gcc.c (main): Call expandargv.
1664         * Makefile.in (gcc-vers.texi): Define srcdir.
1666 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1668         * passes.c (init_optimization_passes): Document
1669         sequencing of passes.
1671 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1673         * config/m68k/predicates.md (pcrel_address, extend_operator,
1674         post_inc_operand, pre_dec_operand): Remove redundant
1675         conditionals.
1676         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1677         instead of abort.
1678         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1680 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1682         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1684 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1686         Preparatory work for PR target/21623:
1687         * alpha.c (secondary_reload_class): Rename to:
1688         (alpha_secondary_reload_class).
1689         * alpha.h, alpha-protos.h: Likewise.
1690         * mn10300.c (secondary_reload_class): Rename to:
1691         (mn10300_secondary_reload_class).
1692         * mn10300.h, mn10300-protos.h: Likewise.
1693         * pa.c (secondary_reload_class): Rename to:
1694         (pa_secondary_reload_class).
1695         * pa.h, pa-protos.h: Likewise.
1696         * rs6000.c (secondary_reload_class): Rename to:
1697         rs6000_secondary_reload_class.
1698         * rs6000.h, rs6000-protos.h: Likewise.
1700 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1702         PR middle-end/22561
1703         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1705 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1707         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1708         a mode_class.
1709         (prepare_cmp_insn): Likewise.
1711 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1713         PR target/23435
1714         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1715         if both operands[0] and operands[1] are memory.
1717 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1719         PR middle-end/23606
1720         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1721         COMPARISON_CLASS_P and an integral types create create a new
1722         expression with the new type and fold that.
1724 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1726         PR target/24988
1727         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1728         to SUBTARGET_OS_CPP_BUILTINS.
1730 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1732         * arm.c (emit_set_insn): New function.
1733         (arm_split_constant): Call it.
1734         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1735         (arm_legitimize_address): Likewise.  Use plus_constant.
1736         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1737         (thumb_expand_prologue): Likewise.
1738         (arm_gen_load_multiple): Use VOIDmode in SET.
1739         (arm_gen_store_multiple): Likewise.
1740         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1741         (emit_multi_reg_push): Likewise.
1742         (emit_sfm): Use plus_constant.
1744 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1746         PR target/24954
1747         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1748         typo last change.
1750 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1752         PR middle-end/24950
1753         * expmed.c (store_bit_field): Don't attempt to insv a field
1754         larger than the reg.
1756 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1758         PR target/24954
1759         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1760         explicit sign extension, not a (char) cast.
1762 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1764         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1765         GET_MODE_CLASS (x) == MODE_FLOAT.
1766         * config/i386/i386.c: Likewise.
1767         * config/rs6000/xcoff.h: Likewise.
1768         * config/rs6000/linux64.h: Likewise.
1769         * config/rs6000/rs6000.c: Likewise.
1770         * config/rs6000/rs6000.h: Likewise.
1771         * config/rs6000/predicates.md: Likewise.
1772         * config/rs6000/sysv4.h: Likewise.
1774 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1776         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1777         flag_pic is set.
1779         * config/alpha/freebsd.h, config/alpha/linux.h,
1780         config/arm/linux-elf.h, config/bfin/bfin.h,
1781         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1782         config/i386/beos-elf.h, config/i386/gnu.h,
1783         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1784         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1785         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1786         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1787         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1788         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1789         config/sparc/linux.h, config/sparc/linux64.h,
1790         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1792         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1793         are both defined when either flag -fpic or -fPIC are used.
1795 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1797         * config/fp-bit.c (clzusi): New function.
1798         (si_to_float, usi_to_float): Use it to compute proper shift.
1799         (usi_to_float): Preserve guard bits when shifting right.
1800         * libgcc-std.ver (GCC_4.2.0): New version.
1801         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1802         __floatundisf): New functions.
1803         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1804         __floatundisf): Declare.
1805         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1806         _floatundixf, and _floatunditf.
1807         * optabs.c (expand_float): If target does not define a pattern for
1808         signed or unsigned conversion, use an unsigned libcall instead of
1809         a signed one.
1810         (init_optabs): Initialize ufloat_optab.
1812 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1814         * config/rs6000/rs6000.opt (mmulhw): New option.
1815         * doc/invoke.texi (-mmulhw): Document.
1816         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1817         for 405 and 440.
1818         * config/rs6000/rs6000.md: Add half-word multiply and
1819         multiply-accumulate instructions for 405 and 440.
1821 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1823         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1824         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1825         default now includes a linker group which makes the RTEMS one nest.
1827 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1829         * cse.c (fold_rtx): Typo fix.
1830         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1832 2005-11-21  Richard Henderson  <rth@redhat.com>
1834         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1835         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1837         * c-tree.h (lookup_name): Move declaration ...
1838         * c-common.h (lookup_name): ... here.
1839         * config/darwin-c.c: Include c-common.h.
1840         * config/t-darwin: Update dependencies.
1842 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1844         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1845         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1846         * genopinit.c (gen_insn): Likewise.
1847         * reload.c (find_equiv_reg): Likewise.
1848         * loop.c (load_mems): Likewise.
1849         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1850         * cse.c (find_comparison_args, fold_rtx): Likewise.
1851         * dwarf2out.c (add_const_value_attribute): Likewise.
1852         * expr.c (convert_move): Likewise.
1853         * recog.c (general_operand, register_operand): Likewise.
1854         * reg-stack.c (replace_reg): Likewise.
1855         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1856         * c-common.c (handle_vector_size_attribute): Likewise.
1857         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1858         (simplify_binary_operation_1): Likewise.
1859         (simplify_const_binary_operation): Likewise.
1860         (simplify_relational_operation): Likewise.
1861         (simplify_const_relational_operation): Likewise.
1862         (simplify_immed_subreg): Likewise.
1863         * emit-rtl.c (gen_lowpart_common): Likewise.
1864         * expmed.c (expand_mult): Likewise.
1865         * stor-layout.c (layout_type): Likewise.
1867 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1869         PR target/24951
1870         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1871         cst2 only for SPE vectors.
1873 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
1875         PR target/24953
1876         * config/rs6000/predicates.md (vrsave_operation): Check
1877         UNSPEC_VOLATILE value.
1879 2005-11-21  Jan Hubicka  <jh@suse.cz>
1881         PR tree-optimization/24653
1882         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1884 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1886         * config/i386/predicates.md (ax_reg_operand): New predicate.
1887         (memory_displacement_only_operand): New predicate.
1888         * config/i386/i386.md ("modrm" attribute): Return 0 if one
1889         operand is AX register and the other operand is memory operand
1890         with displacement only.
1892 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1894         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1895         if we don't care about NaNs or Infinities.
1897 2005-11-20  Ian Lance Taylor  <ian@airs.com>
1899         PR rtl-optimization/24883
1900         * combine.c (combinable_i3pat): When checking whether the
1901         destination of i3 is used in i3, consider paradoxical subregs.
1903 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
1905         PR middle-end/20583
1906         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1908 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
1910         * combine.c (try_combine): Do not run subst on i1src and i2src in
1911         the case of generating a PARALLEL for a comparison.
1913 2005-11-20  Richard Henderson  <rth@redhat.com>
1915         PR 24931
1916         * tree-sra.c (struct sra_elt): Add all_no_warning.
1917         (struct sra_walk_fns) <use>: Add use_all argument.
1918         (sra_walk_expr): Pass it.
1919         (sra_walk_modify_expr): Likewise.
1920         (scalarize_ldst): Likewise.
1921         (scan_use): Update for new argument.
1922         (mark_no_warning): New.
1923         (scalarize_use): Use it.
1925 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1927         * expr.c (expand_expr_real): Use usmul_optab for widening
1928         signed * unsigned multiplies.
1929         * genopinit.c (optabs): Add usmul_widen_optab.
1930         * optabs.c (init_optabs): Likewise.
1931         * optabs.h (enum optab_index): Add OTI_usmul_widen.
1932         (usmul_widen_optab): Define.
1933         * config/bfin/bfin.md (usmulhisi3): New pattern.
1935         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1937 2005-11-20  Graham Stott <btinternet.com>
1939         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1941 2005-11-20  Andreas Schwab  <schwab@suse.de>
1943         PR target/24757
1944         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1945         insn.
1947 2005-11-19  Richard Henderson  <rth@redhat.com>
1949         PR tree-opt/24665
1950         * tree-gimple.c (is_gimple_id): Export.
1951         * tree-gimple.h (is_gimple_id): Declare.
1952         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1953         (get_default_value): Use it.
1954         (maybe_fold_stmt_indirect): Likewise.
1956 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
1958         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1959         than VR1 or vice-versa.
1961 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
1963         PR middle-end/24912
1964         PR middle-end/24750
1965         * reload.c (find_reloads_address_1): Mention dependency on
1966         gen_reload.
1967         * reload1.c (gen_reload): For IN with an unary operation, try
1968         moving inner expression to OUT if trivial SET is not valid.
1969         Confirm that the result is valid.  Move common code block into...
1970         (emit_insn_if_valid_for_reload): New function.
1972 2005-11-19  Richard Guenther  <rguenther@suse.de>
1974         * fold-const.c (fold_indirect_ref_1): Make sure we fold
1975         ARRAY_REFs of constant strings.
1977 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
1979         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1980         fatal format string.
1982 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
1984         * combine.c (make_compound_operation): Swap operands of
1985         commutative operation if necessary before returning.
1987 2005-11-19  Richard Guenther  <rguenther@suse.de>
1989         PR middle-end/23294
1990         * fold-const.c (fold_plusminus_mult_expr): New function.
1991         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1992         cases, remove now unnecessary code.
1994 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
1996         * gensupport.c (old_preds): Rename to std_preds, add special field.
1997         (struct old_pred_table): Rename to struct std_pred_table, add special
1998         field.
1999         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2000         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2001         (init_predicate_table): Adjust, and set along the way whether a
2002         predicate is special.
2004 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2006         * BASE-VER: Change to 4.2.0.
2008 2005-11-18  James E Wilson  <wilson@specifix.com>
2010         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2011         returning it.
2013 2005-11-18  Mike Stump  <mrs@apple.com>
2015         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2016         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2017         * c-decl.c (lookup_name_two) Remove.
2018         * c-tree.h (lookup_name_two): Remove.
2019         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2020         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2021         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2022         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2024 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2026         PR target/24914
2027         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2028         when not generating code to use that co-processor.
2030 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2032         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2033         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2034         these functions are now in tree-phinodes.c.
2036 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2038         * config/bfin/bfin.md (trap): New pattern.
2040 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2042         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2043         on types.
2045         * expr.c (expand_expr_real): Don't call record_block_change unless
2046         ib_boundaries_block is non-null
2048         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2050         * fold-const.c (build_range_check): Use proper type for subtraction
2051         when merging lower bound.
2053 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2055         PR rtl-optimization/24497
2056         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2057         the copied insn.
2059 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2061         * tree-scalar-evolution.c (expression_expensive_p): New function.
2062         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2064 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2066         * config/bfin/crtlibid.s: New file.
2068 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2070         PR target/24348
2071         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2072         when not using sjlj exceptions.
2073         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2074         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2075         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2076         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2077         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2078         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2079         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2080         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2081         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2082         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2083         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2084         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2085         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2086         defines.
2087         * config/pa/hpux-unwind.h: New file.
2089 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2091         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2092         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2093         * varasm.c (do_assemble_alias): Adjust call.
2094         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2095         is defined.
2096         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2098 2005-11-17  James E Wilson  <wilson@specifix.com>
2100         * tree.def (FUNCTION_DECL): Correct typo in comment.
2102 2005-11-17  Richard Henderson  <rth@redhat.com>
2104         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2105         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2106         and DW_CFA_def_cfa_sf.
2107         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2108         (dbx_reg_number): Don't assert particular registers here.
2109         (based_loc_descr): ... do it here instead.  Fold in ...
2110         (eliminate_reg_to_offset): ... this function.
2111         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2112         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2113         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2114         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2115         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2116         (instantiate_virtual_regs): Likewise.
2117         * var-tracking.c (adjust_stack_reference): Likewise.
2118         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2120 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2122         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2123         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2124         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2125         crtlibid.o.
2126         ($(T)crtlibid.o): New rule.
2128 2005-11-16  Richard Guenther  <rguenther@suse.de>
2130         PR middle-end/24851
2131         * fold-const.c (extract_array_ref): Return byte offset
2132         in all cases.
2133         (fold_binary): Fold &x[a] CMP &x[b] to
2134         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2135         behavior.
2137 2005-11-16  Richard Henderson  <rth@redhat.com>
2139         PR middle-end/23497
2140         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2141         parts of an SSA_NAME.
2143 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2145         PR target/24861
2146         * arm.md (split for movsf with immediate): Restrict split to insns
2147         that set a general register.
2149 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2151         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2152         uw_update_context.
2153         * unwind-dw2.c (uw_advance_context): Likewise.
2154         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2155         _Unwind_SjLj_Unregister.
2156         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2158 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2160         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2162 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2164         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2165         langhook to get a DImode integer type.
2167 2005-11-16  Richard Henderson  <rth@redhat.com>
2168             J"orn Rennecke <joern.rennecke@st.com>
2169             Ulrich Weigand  <uweigand@de.ibm.com>
2171         PR rtl-opt/24160
2172         PR target/24621
2173         * reload1.c (reg_equiv_invariant): New.
2174         (reload): Allocate, initialize, and free it.
2175         (calculate_needs_all_insns): Check it when skipping equivalence
2176         setting insns.
2177         (alter_reg): Likewise.
2178         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2179         may_use_invariant argument; only use reg_equiv_invariant when true.
2180         (eliminate_regs): New.
2181         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2182         a context for which may_use_invariant may be true.
2184 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2186         * fold-const.c (const_binop): Don't constant fold the operation
2187         if the result has overflowed and flag_trapping_math.
2188         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2190 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2192         * config/arm/unwind-arm.c (abort): Add prototype here.
2193         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2194         (struct phase1_vrs): Add prev_sp.
2195         (unwind_phase2_forced): Save the original core registers instead of
2196         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2197         and set action flags accordingly.  Always set _US_END_OF_STACK when
2198         get_eit_entry fails.  Unwind before calling the stop function.
2199         (_Unwind_GetCFA): New function.
2200         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2201         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2202         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2203         just call unwind_phase2_forced.
2204         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2205         * config/arm/unwind-arm.h (abort): Remove prototype.
2206         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2207         prototypes.
2208         (_Unwind_GetCFA): New prototype.
2209         * config/arm/pr-support.c (abort): Add prototype here.
2210         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2211         forced unwinding.
2212         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2213         not schedule the prologue with non-call exceptions and EABI.
2215 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2217         * config/arm/unwind-arm.h: Reorder interface function declarations.
2218         (_URC_END_OF_STACK): New enumeration value.
2219         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2220         (struct _Unwind_Control_Block): Document reserved field use.
2221         (_Unwind_Stop_Fn): New typedef.
2222         (_Unwind_ForcedUnwind): Declare.
2223         (_Unwind_Resume_or_Rethrow): Declare.
2224         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2225         argument.  Adjust.
2226         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2227         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2228         (UCB_FORCED_STOP_ARG): New.
2229         (search_EIT_table): Update boundary condition checks.
2230         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2231         (unwind_phase2): Replace for with do..while.
2232         (unwind_phase2_forced): New.
2233         (__gnu_Unwind_RaiseException): Replace for with do..while.
2234         (__gnu_Unwind_ForcedUnwind): New.
2235         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2236         Use appropriate phase2 unwinder.
2237         (__gnu_Unwind_Resume_or_Rethrow): New.
2238         (__gnu_unwind_pr_common): Cope with forced unwinding.
2240 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2242         PR target/24772
2243         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2245         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2246         roundsf2): Remove "s" from mnemonic.
2248 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2250         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2251         __PIC__ is defined.
2252         * config/bfin/crtn.s: Change epilogues to match.
2253         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2254         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2255         __PIC__ and __pic__.
2257 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2259         PR 24357
2260         * doc/invoke.texi: Distinguish between free and fixed form instead of
2261         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2262         languages.
2263         * gcc.c (default_compilers): Remove double entries, add entries for
2264         suffixes '.F90' and '.F95'.
2266 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2268         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2269         in the stack probing loop.
2271 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2273         * configure.ac: Use .machine power5 not power5x.
2274         * configure: Regenerate.
2276 2005-11-15  Mike Stump  <mrs@apple.com>
2278         * c-decl.c (lookup_name_two): Add.
2279         * c-tree.h (lookup_name_two): Likewise.
2280         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2281         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2283 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2285         PR rtl-optimization/23392
2286         * regrename.c (enum scan_actions) Add mark_access.
2287         (scan_actions_name): Ditto.
2288         (scan_rtx_reg): Handle mark_access.
2289         (scan_rtx_address): Do nothing for mark_access.
2290         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2291         and regs in REG_INC notes before closing chains for dead regs.
2292         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2293         opening chains for new writes.
2295 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2297         * c.opt (ffixed-line-length-none): New.
2299 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2301         * mklibgcc.in: Change contents of eh_dummy.c.
2303 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2305         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2307 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2309         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2310         of making syscalls.
2311         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2313 2005-11-15  Jan Hubicka  <jh@suse.cz>
2315         * invoke.texi (large-unit-insns): Document.
2316         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2317         * params.def (large-unit-insns): New param.
2319 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2321         PR target/24869
2322         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2323         special register for operand 3.  Reindent constraints to align
2324         them vertically.
2326 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2328         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2329         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2330         * configure.ac: Add test for FP rounding instructions.
2331         * configure: Regenerate.
2332         * config.in: Regenerate.
2333         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2334         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2335         features enabled.
2336         * config/rs6000/rs6000.opt (mfprnd): New.
2337         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2338         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2339         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2340         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2341         (TARGET_FPRND): New.
2342         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2343         UNSPEC_FRIZ): New.
2344         (btrunc<mode>2): New.
2345         (ceil<mode>2): New.
2346         (floor<mode>2): New.
2347         (round<mode>2): New.
2349 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2351         * gcc.c (version_compare_spec_function): Use fatal() rather than
2352         abort().
2354         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2355         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2356         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2357         as empty.
2358         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2359         link in crt2.o.
2361         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2362         on -mmacosx-version-min setting.
2364 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2366         PR 24840
2367         * tree-vrp.c (infer_value_range): Return false if STMT is a
2368         block terminator and its basic block has no successors.
2370 2005-11-14  Mike Stump  <mrs@apple.com>
2372         * config/i386/i386.c (override_options): -masm=intel isn't
2373         supported on darwin.
2374         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2376 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2378         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2379         vfork after including auto-host.h.
2381 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2383         PR rtl-optimization/22002
2384         * combine.c (distribute_notes): Detect cases where a reg dies
2385         two or more times in a bb, including on the insn we are combining,
2386         and place the death note on the correct range.
2388 2005-11-14  Dale Johannesen  <dalej@apple.com>
2390         * expmed.c (store_bit_field):  Add offset unconditionally for
2391         memory targets.
2392         (extract_bit_field):  Don't force extzv or extv operand into
2393         a register if field is too big.
2395 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2397         * config/arm/arm.c (pic_labelno): New.
2398         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2399         LABEL_REF.  Pass only the labelno to PIC insns.
2400         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2401         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2402         * arm.md (UNSPEC_PIC_LABEL): New constant.
2403         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2404         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2405         Use the correct label prefix.
2407 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2409         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2410         REQ_EQUIV note.
2412 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2414         * loop-invariant.c: Include tm_p.h.
2415         * Makefile.in: Updated.
2417 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2419         * pa.c (store_reg): Revise generation of frame notes in large frames.
2420         (set_reg_plus_d): Likewise.
2422 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2424         PR tree-optimization/24709
2425         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2426         loop check.
2428 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2430         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2431         and duplicate declaration of pthread_self.
2433 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2434             Ian Lance Taylor  <ian@airs.com>
2436         PR middle-end/24003
2437         * calls.c (expand_call): If TARGET is a MEM and some part of the
2438         argument area has been saved, force TARGET to a register.
2440 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2442         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2443         checking.
2445 2005-11-13  Jason Merrill  <jason@redhat.com>
2447         PR c++/22489
2448         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2449         lazily declared methods.
2450         (force_decl_die): Stop if forcing out the context already make a
2451         DIE for the decl.
2452         (force_type_die): Likewise.
2454 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2456         PR middle-end/24820
2457         * builtins.c (integer_valued_real_p): Add break in
2458         REAL_CST having TREE_OVERFLOW set.
2460 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2462         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2463         addressing modes during calculation of costs.
2465 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2467         * function.c (assign_stack_local_1): Restrict sanity check
2468         on frame size overflow to 32-bit and above platforms.
2470 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2472         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2473         * config/cris/cris.c: Include reload.h.
2474         (cris_initial_elimination_offset): New function.
2475         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2476         Prototype.
2478 2005-11-12  Richard Guenther  <rguenther@suse.de>
2480         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2482 2005-11-12  Jan Hubicka  <jh@suse.cz>
2484         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2485         to compare against 0 when possible.
2487 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2489         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2490         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2491         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2492         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2493         in the new order.
2495 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2497         * recog.c (constrain_operands) <case 'g'>: For a match, require
2498         that a non-register matches general_operand when strict >= 0.
2500 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2502         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2503         previous checkin.
2505 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2507         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2508         (memory_address_same): New.
2509         (dse_optimize_stmt): Call memory_address_same.
2511 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2513         PR middle-end/24750
2514         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2515         ZERO_EXTEND>: New cases.
2517 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2519         * longlong.h (__clz_tab): Always provide.
2521 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2523         PR 24265
2524         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2525         can be assigned to.
2526         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2527         before check_maybe_invariant.
2528         (move_invariant_reg): Use gen_move_insn instead of replacing
2529         SET_DEST with the temporary for the invariant.
2530         (move_loop_invariants): If checking is enabled, do internal
2531         consistency checks after completing the pass.
2533 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2535         PR 24644
2536         * common.opt (Wvolatile-register-var): New.
2537         * varasm.c (make_decl_rtl): Only emit warning when option
2538         specified.  Clarify warning message.
2539         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2541         * doc/md.texi (copysign): Document standard named pattern.
2543 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2545         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2546         bytes when align is 2.
2547         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2548         by the first instruction of the loop.
2550 2005-11-11  Jason Merrill  <jason@redhat.com>
2552         PR c++/24686
2553         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2554         the cleanup list.
2556 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2558         PR rtl-optimization/22509
2559         * local-alloc.c (memref_used_between_p): Check whether a function call
2560         could not reference the memref.
2562 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2564         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2565         algorithm so as to choose the best, not the worst, alternative.
2566         Reset accumulated register class before processing next alternative.
2568 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2570         PR target/24445
2571         * calls.c (expand_call): Copy a return value to a plain register
2572         if needed.
2574 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2576         PR target/24778
2577         * varasm.c (assemble_name): Recompute name only for transparent
2578         aliases.
2580 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2582         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2584 2005-11-04  Jeff Law  <law@redhat.com>
2586         PR middle-end/23181
2587         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2588         perform reassociation if the parent statement will not die as
2589         a result of the optimization.
2591 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2593         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2594         delete_old_heap_vars.
2595         * tree-dfa.c (referenced_var_remove): Remove function.
2596         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2597         (delete_tree_ssa): Remove call to delete_old_heapvars.
2598         Add call to delete_alias_heapvars.
2599         * tree-flow.h (referenced_var_remove): Remove prototype
2600         (init_alias_heapvars): New prototype.
2601         (delete_alias_heapvars): Ditto.
2602         * Makefile.in (tree-ssa-structalias.o): Add
2603         gt-tree-ssa-structalias.o
2604         (GTFILES): Add tree-ssa-structalias.h and
2605         tree-ssa-structalias.c.
2606         (s-gtype): Add gt-tree-ssa-structalias.h.
2607         * tree-ssa-structalias.c (heapvars): Remove.
2608         (oldheapvars): Remove.
2609         (heapvar_for_stmt): New variable.
2610         (heapvar_lookup): New function.
2611         (heapvar_insert): Ditto.
2612         (get_constraint_for): See if we have an old heapvar
2613         to reuse.
2614         (init_alias_heapvars): New function.
2615         (delete_alias_heapvars): Ditto.
2616         Add include of gt-tree-ssa-structalias.h.
2618 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2620         PR middle-end/22127
2621         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2623 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2625         * tree.c (int_fits_type_p): Only look at the base type
2626         if it has the same precision as the original type.
2628 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2630         PR other/4372
2631         * varasm.c (assemble_alias): Use %q+D in the error
2632         message instead of %J and %qD.
2634 2005-11-10  Richard Guenther  <rguenther@suse.de>
2636         * gcse.c (free_ldst_entry): Only free hashtable if
2637         it exists.
2639 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2641         * function.c (assign_stack_local_1): Issue an error message if
2642         the frame size overflows in the signed target arithmetics.
2644 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2646         * tree.c (build_qualified_type): Chain the new type to the original
2647         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2648         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2649         (build_pointer_type_for_mode): Only return unqualified types.
2650         (build_reference_type_for_mode): Likewise.
2652 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2654         * Makefile.in (gnucompare): Do comparison of all files using one of
2655         the chosen methods and only afterwards decide if just warning should
2656         be issued or comparison failure raised.
2658 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2660         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2661         (noce_try_abs): Negate if the comparison is reversed.
2662         Look only one instruction backwards for a REG_EQUAL note.
2664 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2666         PR other/4372
2667         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2668         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2669         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2670         and prefix all uses with __ghtrw.
2672 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2674         PR other/4372
2675         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2676         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2677         * c-common.c (handle_weakref_attribute): New.
2678         (c_common_attribute_table): Add weakref.
2679         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2680         in the assembler.
2681         * configure, config.in: Rebuilt.
2682         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2683         * doc/extend.texi: Document weakref attribute.
2684         * varasm.c (ultimate_transparent_alias_target): New
2685         (assemble_name): Use it.
2686         (weak_finish_1): Split out of...
2687         (weak_finish): ... and deal with weakrefs in...
2688         (weakref_targets): ... new list.
2689         (globalize_decl): Clean up weakref_targets.
2690         (do_assemble_alias): Handle weakrefs.
2691         (finish_aliases_1): Do not reject weakrefs to external symbols.
2692         (assemble_alias): Handle weakrefs.
2694 2005-11-09  Richard Guenther  <rguenther@suse.de>
2696         PR tree-optimization/24716
2697         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2698         t_bool to track results from follow_ssa_edge.
2700 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2702         * final.c (force_source_line): New global variable.
2703         (final_scan_insn): Set it to true instead of clearing last_filename.
2704         (notice_source_line): Return true if force_source_line is true,
2705         unless source info is absent.
2707 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2709         PR c/24644
2710         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2711         a linkage name for a variable if it a register variable.
2712         * c-decl.c (grokdeclarator): Global register variables
2713         should be set as PUBLIC.
2715 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2717         PR 24624
2718         * config/s390/s390.c (struct s390_frame_layout): New fields
2719         first_save_gpr_slot and last_save_gpr_slot.
2720         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2721         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2722         first_save_gpr and last_save_gpr with the _slot variants.
2723         (s390_register_info): Calculate first_save_gpr_slot and
2724         last_save_gpr_slot using regs_ever_live.
2726 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2728         PR 24623
2729         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2730         for a function containing a landing pad.
2732 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2734         PR 24034
2735         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2736         is live afterwards.
2738 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2740         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2741         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2743 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2745         Add ms2 support
2746         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2747         constants.
2748         (call,load,store): New insn types.
2749         (mem_access, branch_access): Adjust reservation conditions.
2750         (define_delay): Adjust condition.
2751         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2752         type.
2753         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2754         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2755         insn type.
2756         (call_internal, call_value_internal, return_internal,
2757         return_interrupt_internal, eh_return_internal, indirect_jump,
2758         tablejump): Set call insn type.
2759         (blockage, ei, di): Use appropriate unspec const.
2760         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2761         (ms1_get_attr_type): Adjust to give load & store types.
2762         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2763         backwards past a barrier.
2764         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2765         branch scheduling.
2766         (struct branch_info, struct label_info): New.
2767         (ms1_labels): New.
2768         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2769         (ms1_machine_reorg): New.
2770         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2771         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2772         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2773         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2774         (TARGET_MS2): New.
2776 2005-11-09  Per Bothner  <per@bothner.com>
2777             Uros Bizjak  <uros@kss-loka.si>
2779         PR c/24101
2780         * toplev.c (process_options): Initialize debug_hooks early
2781         in case lang_hooks.post_options ends up calling a debug_hook.
2783 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2785         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2786         DBX_REGISTER_NUMBER being contiguous.
2788 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2789             Diego Novillo  <dnovillo@redhat.com>
2791         PR 23046
2792         * tree-vrp.c (register_edge_assert_for): Do not register
2793         always-false predicates.
2795 2005-11-08  Devang Patel <dpatel@apple.com>
2797         PR tree-optimization/23115
2798         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2799         relation.
2801 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2803         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2804         -mcpu=440.
2806 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2808         Fix PR tree-optimization/23382
2810         * tree-ssa-alias.c (compute_may_aliases): Call
2811         delete_old_heap_vars.
2812         * tree-dfa.c (referenced_var_remove): New function.
2813         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2814         * tree-flow.h (referenced_var_remove): Add prototype.
2815         (delete_old_heap_vars): Ditto.
2816         * tree-ssa-structalias.c (heapvars): New variable.
2817         (oldheapvars): Ditto.
2818         (get_constraint_for): Put heap vars on heapvars list.
2819         (delete_old_heap_vars): New function.
2821 2005-11-08  Jason Merrill  <jason@redhat.com>
2823         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2825 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2827         PR target/19340
2828         * reg-stack.c (reg_to_stack): Update register liveness also
2829         for flag_sched2_use_traces.
2831 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2833         PR target/23704
2834         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2835         override prior explicit -mno-powerpc-gfxopt.
2837 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2839         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2840         if the bitsize is zero.
2841         * doc/md.texi (Standard Pattern Names): Document it.
2843         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2844         (TARGET_PASS_BY_REFERENCE): Likewise.
2846 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2848         PR rtl-optimization/24683
2849         * config/i386/i386.c (legitimize_pic_address): If constant operand
2850         to PLUS is too large, put it in a register.
2852 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2854         * configure.ac: Enable checking assembler dwarf2 support for bfin
2855         target.
2856         * configure: Regenerate.
2858 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2860         PR target/24230
2862         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2863         gen_easy_vector_constant_add_self): Delete.
2864         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2865         New.
2866         (output_vec_const_move): Use gen_easy_altivec_constant.
2867         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2868         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2869         (easy_vector_constant_add_self): Rewritten.
2870         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2871         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2872         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2873         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2874         Macroize and adjust for the other changes.
2876 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2878         PR c/24599
2880         * c-typeck.c (build_c_cast): Try using a shared constant, and see
2881         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2883 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
2885         PR rtl-optimization/23567
2886         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2887         (noce_process_if_block): Don't do any optimizations except
2888         if (cond) x = x; if !set_b and write into orig_x may trap
2889         or fault.  Remove the MEM_READONLY_P check.
2891 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
2893         PR 24670
2894         * tree-vrp.c (fix_equivalence_set): New.
2895         (extract_range_from_assert): Call it.
2897 2005-11-05  Ian Lance Taylor  <ian@airs.com>
2899         PR target/22432
2900         * combine.c (apply_distributive_law): Don't distribute across a
2901         vector mode subreg.
2903 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
2905         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2906         config/ms1/ms1.h, config/rs6000/predicates.md,
2907         config/s390/s390.c, params.def, postreload-gcse.c,
2908         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2909         tree-vrp.c, tree.c: Fix comment typos.
2910         * doc/invoke.texi: Fix typos.
2912 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
2914         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2915         for testing whether the data_dependence_relation contains distance
2916         vectors.  Iterate over all distance vectors of the ddr.
2917         * lambda.h: Define a vec of lambda_vector pointers.
2918         * tree-data-ref.c (dump_data_dependence_relation,
2919         dump_data_dependence_direction): Iterate over all distance and
2920         direction vectors of the ddr.
2921         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2922         DDR_DIST_VECTS.
2923         (build_classic_dist_vector, build_classic_dir_vector): Push a set
2924         of distance/direction vectors instead of a single one.
2925         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2926         lambda_vectors with a vec of lambda_vectors.
2927         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2928         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2929         DDR_NUM_DIST_VECTS): New.
2930         * tree-loop-linear.c (gather_interchange_stats): Test for the
2931         existence of distance vectors only after having checked that there
2932         is a dependence.  Iterate over all distance vectors of the ddr.
2933         (linear_transform_loops): Use dump_data_dependence_relation.
2934         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2935         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
2936         distance vectors of the ddr.
2938 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2940         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2941         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2942         IS_INTHANDLER; all callers changed.
2943         (n_regs_saved_by_prologue): Take interrupt handler attributes into
2944         account.
2945         (do_link, do_unlink): New argument ALL; all callers changed.
2946         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2947         If function isn't leaf, save and restore all registers.
2948         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2949         exception handler.
2951 2005-11-05  Jan Hubicka  <jh@suse.cz>
2953         PR rtl-optimization/23490
2954         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2955         max-flow-memory-location): Document.
2956         * flow.c: Include params.h
2957         (MAX_MEM_SET_LIST_LEN): Kill.
2958         (add_to_mem_set_list): Use new param.
2959         * cse.c (cse_basic_block): Replace 1000 by new param.
2960         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2961         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2962         * predict.c (predict_loops): Use new param.
2963         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2965         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2966         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2967         Do not hold memory returned by cgraph_node_name across other call.
2969 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
2971         PR target/23424
2972         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2973         Disable.
2975 2005-11-04  Jeff Law  <law@redhat.com>
2977         PR/21883
2978         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2979         * tree-ssa-dom.c: Include params.h.
2980         (thread_across_edge): If there are too many statements in the
2981         target block, then do not thread through it.
2982         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2983         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2985 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
2987         PR 24627
2988         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2989         TODO_update_ssa instead of TODO_update_ssa_no_phi.
2991 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
2993         PR/18595
2994         * tree-scalar-evolution.c (instantiate_parameters_1,
2995         instantiate_parameters, resolve_mixers): Compute the size of an
2996         expression to be instantiated and give up the instantiation if the
2997         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2999 2005-11-04  Richard Guenther  <rguenther@suse.de>
3001         * tree-flow.h (ref_contains_indirect_ref): Rename to
3002         array_ref_contains_indirect_ref.
3003         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3004         (array_ref_contains_indirect_ref): Make comment match the code
3005         and vice-versa.
3006         (ref_contains_array_ref): Likewise.
3007         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3008         ref_contains_indirect_ref.
3009         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3010         Rename calls to ref_contains_indirect_ref.
3012 2005-11-04 Paul Brook  <paul@codesourcery.com>
3014         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3015         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3016         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3017         * config/arm/arm.md: Use match_operand in peephole input templates
3018         and match_dup in peephole output templates.
3020 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3022         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3023         __aeabi_uidiv.
3025 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3026             Daniel Jacobowitz  <dan@codesourcery.com>
3028         * longlong.h (add_ssaaaa): Clobber condition code register
3029         in ARM version.
3030         (sub_ddmmss): Likewise.
3031         (umul_ppmm): Likewise.
3033 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3034             Paul Brook  <paul@codesourcery.com>
3035             Phil Blundell  <pb@reciva.com>
3037         * configure.ac: Add test for ARM TLS support.
3038         * configure: Regenerated.
3039         * config/arm/arm-protos.h (legitimize_tls_address)
3040         (arm_tls_referenced_p, tls_mentioned_p)
3041         (arm_output_addr_const_extra): New prototypes.
3042         (thumb_legitimize_pic_address): Delete.
3043         * config/arm/arm.c: Include "gt-arm.h".
3044         (enum tls_reloc): New.
3045         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3046         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3047         (arm_call_tls_get_addr, legitimize_tls_address)
3048         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3049         (arm_init_tls_builtins, arm_emit_tls_decoration)
3050         (arm_output_addr_const_extra): New functions.
3051         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3052         (TARGET_HAVE_TLS): Define.
3053         (target_thread_pointer): New.
3054         (arm_override_options): Handle -mtp=.
3055         (legitimize_pic_address): Ignore UNSPECs.
3056         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3057         relative symbols.
3058         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3059         (tls_get_addr_libfunc): New variable.
3060         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3061         (arm_init_builtins): Call arm_init_tls_builtins.
3062         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3063         (arm_encode_section_info): Call default_encode_section_info.
3064         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3065         (enum arm_tp_type): New.
3066         (target_thread_pointer): Add declaration.
3067         (LEGITIMATE_CONSTANT_P): Handle TLS.
3068         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3069         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3070         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3071         * config/arm/arm.md: Add UNSPEC_TLS.
3072         (movsi): Handle TLS.
3073         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3074         non-PIC.
3075         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3076         (load_tp_hard, load_tp_soft): New insns.
3077         * arm.opt: Add -mtp=.
3078         * doc/invoke.texi (ARM Options): Document -mtp.
3080 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3082         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3083         * config/arm/libunwind.S: Include "lib1funcs.asm".
3084         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3085         (LIB2ADDEH): Add libunwind.S.
3086         (LIB2ADDEHDEP): Add lib1funcs.asm.
3087         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3089 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3091         PR fortran/18452
3092         * gcc/c.opt: Add a -lang-fortran option.
3093         * gcc/c-opts.c: Add a lang_fortran flag.
3094         (c_common_init_options): Handling the -lang-fortran option.
3095         (c_common_handle_option): Add a case for Fortran options in
3096         preprocessing. Remove cases for -ffixed-form and
3097         -ffixed-line-length. Add a case for -lang-fortran.
3099 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3101         * config/rs6000/rs6000.c: Include params.h
3102         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3103         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3104         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3105         (UNSPEC_VPKUWSS): Delete.
3106         (altivec_vpkuhss): Delete.
3107         (altivec_vpkuwss): Delete.
3108         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3109         final condition.
3110         (neg_eq0<mode>): Remove final condition.
3111         (neg_eq<mode>): Remove condition and split-condition.
3113 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3115         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3116         Use associated print macros.
3118 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3120         PR c++/17964
3121         * diagnostic.c (diagnostic_set_info_translated): New function.
3122         (diagnostic_set_info): Use it.  Add comment.
3123         * diagnostic.h (diagnostic_set_info_translated): Declare.
3125 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3127         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3128         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3129         reference only if 'public' is true.
3130         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3131         emit the .hidden directive only if the indirect reference is public.
3132         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3133         Pass it to dw2_force_const_mem.
3134         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3135         * dwarf2out.c (output_cfi): Adjust calls to above function.
3136         (output_call_frame_info): Likewise.
3137         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3138         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3140 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3142         PR tree-optimization/24483
3143         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3144         field to elts if possible.
3146 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3148         PR middle-end/23155
3149         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3150         CONSTRUCTOR.
3152 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3154         Fix PR tree-optimization/24351
3156         * tree-ssa-structalias.c (struct variable_info): Add
3157         collapsed_into.
3158         (get_varinfo_fc): New function to follow collapsing.
3159         (new_var_info): Set collapsed_to to NULL.
3160         (dump_constraint): Follow collapsing.
3161         (build_constraint_graph): Handle collapsing.
3162         (do_simple_structure_copy): Return false if something bad
3163         happened.
3164         (collapse_rest_of_var): New function.
3165         (do_structure_copy): Collapse if do_simple_structure_copy returns
3166         false.
3168 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3170         PR middle-end/24589
3171         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3172         expressions to a statement list instead of gimplifying them.
3174 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3176         PR rtl-optimization/23585
3177         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3178         that can't trap plus a constant integer, if the mode has zero size.
3180 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3182         PR target/24620
3183         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3184         as operand 2.
3185         ("*insv<mode>_reg_extimm"): Likewise.
3187 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3189         PR c/24329
3190         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3191         c_common_type_for_mode returns an unnamed type.
3193 2005-11-02  Richard Henderson  <rth@redhat.com>
3195         PR target/9350
3196         PR target/24374
3197         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3198         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3199         * function.c (assign_parms): Use calls.internal_arg_pointer.
3200         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3201         code.
3202         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3203         (TARGET_CALLS): Add it.
3204         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3205         * targhooks.c (default_internal_arg_pointer): New.
3206         * targhooks.h (default_internal_arg_pointer): Declare.
3207         * tree.h (dwarf2out_reg_save_reg): Declare.
3208         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3209         * config/i386/i386.c (dbx_register_map): Add return column.
3210         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3211         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3212         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3213         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3214         (ix86_save_reg): Save force_align_arg_pointer.
3215         (ix86_emit_save_regs): Make regno unsigned.
3216         (ix86_emit_save_regs_using_mov): Likewise.
3217         (ix86_expand_prologue): Handle force_align_arg_pointer.
3218         (ix86_expand_epilogue): Likewise.
3219         * config/i386/i386.h: (dbx_register_map): Update.
3220         (dbx64_register_map, svr4_dbx_register_map): Update.
3221         (struct machine_function): Add force_align_arg_pointer.
3222         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3223         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3224         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3226 2005-11-02  Jan Hubicka  <jh@suse.cz>
3228         PR target/23303
3229         * i386.md: Add peep2 for simplyfing array accesses.
3231 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3233         PR target/24615
3234         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3235         * config/s390/s390.c (s390_decompose_shift_count): New function.
3236         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3237         (print_shift_count_operand): Use s390_decompose_shift_count.
3238         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3239         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3241 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3243         PR target/24600
3244         * loop.c (loop_givs_rescan): Use force_operand to expand
3245         complex GIVs.
3247 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3249         PR 22429
3250         * fold-const.c (build_range_check): Use unsigned when signed
3251         overflow is undefined also.  If etype is subtype, make sure that
3252         the subtraction is in the supertype.
3254 2005-11-02  Richard Henderson  <rth@redhat.com>
3256         PR target/24178
3257         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3258         by MEM_ALIGN.
3260 2005-11-01  Richard Henderson  <rth@redhat.com>
3262         PR 21518
3263         * loop.c (scan_loop): Do not propagate computations to a hard
3264         register destination with SMALL_REGISTER_CLASSES.
3266 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3268         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3269         costs for MULT inside PLUS or MINUS.
3271 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3273         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3274         (TRAMPOLINE_SIZE): Round up to 60.
3275         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3277 2005-10-31  James E. Wilson  <wilson@specifix.com>
3279         PR debug/24444
3280         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3281         ifdef.  Put ifdefs around call in gen_subprogram_die.
3282         (compute_frame_pointer_to_cfa_displacement): Likewise.
3283         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3284         not defined.
3286         PR rtl-optimization/17356
3287         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3288         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3290 2005-10-31  Jan Hubicka  <jh@suse.cz>
3292         PR middle-end/24093
3293         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3295         PR target/20928
3296         * i386.c (legitimize_pic_address): Deal with large immediates.
3298         PR profile/20815
3299         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3300         from symbol names while computing checkup.
3302         PR profile/24487
3303         * predict.c (predict_loops): Do not estimate more than
3304         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3305         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3307 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3309         PR tree-optimization/19097
3310         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3312 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3314         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3316 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3318         PR middle-end/23492
3319         * tree-inline.c (setup_one_parameter): If the init_stmt
3320         is NULL, don't insert the statement.
3322 2005-10-30  Jan Hubicka  <jh@suse.cz>
3324         PR tree-optimization/24172
3325         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3327 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3329         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3330         constants for hosts with long != 32 bits.
3332 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3334         PR middle-end/24093
3335         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3337 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3339         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3340         (TARGET_MS1_16_002): New.
3341         (TARGET_MS1_16_003): New.
3343         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3344         ("*decrement_and_branch_until_zero_no_clobber"): New.
3345         Add corresponding splitter for decrement_and_branch_until_zero
3346         instruction.
3347         Key all decrement_and_branch_until_zero patterns off of
3348         TARGET_MS1_16_003.
3350 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3352         PR middle-end/24362
3353         * tree-complex.c (extract_component): Treat RESULT_DECL
3354         like the rest of the decls.
3356 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3358         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3359         indirect call to _mcount if the function needs a static chain.
3361 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3362             Caroline Tice  <ctice@apple.com>
3364         PR rtl-optimization/24460
3365         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3366         (dwarf2out_switch_text_section): Set it to true instead of
3367         incrementing separate_line_info_table_in_use.
3368         (output_loc_list): Additionally test have_switched_text_sections.
3369         (output_ranges): Likewise.
3370         (dwarf2out_finish): Likewise.
3371         * varasm.c (assemble_start_function): Do not call
3372         insert_section_boundary_note.
3373         (assemble_end_function): If flag_reorder_blocks_and_partition,
3374         switch to the function's section before emitting the .size directive.
3375         * bb-reorder.c (insert_section_boundary_note): Staticify.
3376         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3377         * output.h (insert_section_boundary_note): Delete.
3379 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3381         PR c/23103
3382         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3383         instead of pointer equality when comparing types.
3385 2005-10-24  James E. Wilson  <wilson@specifix.com>
3387         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3388         add_dependence_list_and_free calls.
3390 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3392         * contrib.texi: Add the names of the LLNL folks who donated
3393         Cray pointer support for gfortran.
3395 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3397         PR tree-optimization/24225
3398         * profile.c (branch_prob): Look from end to start through a
3399         basic block when looking for a locus.
3401 2005-10-24  Richard Henderson  <rth@redhat.com>
3403         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3404         parallel.
3405         (hppa_expand_prologue): Likewise.
3407 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3409         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3410         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3411         * pa.h (NO_PROFILE_COUNTERS): Define.
3412         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3413         (funcdef_nos): New vector to hold label numbers of deferred profile
3414         counters.
3415         (output_deferred_profile_counters): New function.
3416         (hppa_profile_hook): Push label number onto funcdef_nos.
3417         (pa_hpux_file_end): Call output_deferred_profile_counters if
3418         NO_DEFERRED_PROFILE_COUNTERS is false.
3420         * pa-protos.h (get_deferred_plabel): New prototype.
3421         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3422         Make global.
3423         (output_call): Adjust calls.
3425 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3427         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3428         peculiarity of GOT/TOC section usage.
3430 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3432         PR objc/24435
3433          * c-common.c (constant_string_class_name): Add documentation.
3435 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3437         PR target/23832
3438         * recog.c (peephole2_optimize): Increment peep2_current_count
3439         only when the slot is empty.
3441 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3443         PR ada/23957
3444         * except.c (output_function_exception_table): Call
3445         assemble_external_libcall if we need a personality function.
3447 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3449         PR rtl-optimization/24460
3450         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3451         set the basic block for barriers.
3453 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3455         * var-tracking.c (vt_initialize): Initialize post.
3457 2005-10-21  Devang Patel  <dpatel@apple.com>
3459         PR/24220
3460         * c-common.c (vector_types_convertible_p): Check vector element type.
3462 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3464         * config/sh/sh.c (prepare_move_operands): Handle the address
3465         constant which is a tls symbolic address plus a constant.
3467 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3469         PR driver/24473
3470         * gcc.c (main): Use the correct counter for erroring out
3471         about mulitple files.
3473 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3475         PR target/24465
3476         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3477         use r2 for 64-bit tls .got access.
3479 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3481         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3482         TRUTH_OR_EXPR.
3484 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3486         PR tree-optimization/24307
3487         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3489 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3491         PR middle-end/24295
3492         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3493         alias targets.
3494         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3495         is ready, stop marking functions, but still mark variables.
3497 2005-10-20  Richard Guenther  <rguenther@suse.de>
3499         PR c++/24439
3500         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3501         void type operands.
3503 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3505         PR rtl-optimization/23585
3506         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3507         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3508         (may_trap_p_1): New predicate extracted from...
3509         (may_trap_p): ... here.  Invoke may_trap_p_1.
3510         (may_trap_or_fault_p): New predicate.
3511         * rtl.h (may_trap_or_fault_p): Declare it.
3512         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3513         instead of may_trap_p.
3514         (steal_delay_list_from_fallthrough): Likewise.
3515         (fill_simple_delay_slots): Likewise.
3516         (fill_slots_from_thread): Likewise.
3517         * function.c (pad_to_arg_alignment): Rework comment about
3518         SPARC_STACK_BOUNDARY_HACK.
3519         * config/sparc/sparc.h: Likewise.
3521 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3523         * config/s390/s390.c (s390_expand_insv): New.
3524         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3525         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3526         ("icm_hi"): Remove mode attribute.
3527         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3528         Adjust all uses.
3529         ("*extracthi", "*extractqi"): Remove.
3530         (extv<mode>", "*extzv<mode>"): New.
3531         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3532         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3534 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3536         * cfgexpand.c (discover_nonconstant_array_refs_r,
3537         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3538         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3539         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3540         discover_nonconstant_array_refs.
3542 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3544         PR c/23228
3545         * c-decl.c (pop_scope): Don't warn about an unused variable
3546         if it is marked with TREE_NO_WARNING.
3547         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3548         somenow mismatch and olddecl is to be replaced.
3550 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3552         PR middle-end/23199
3553         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3554         whether registers live on the edge can be saved/restored.
3556 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3558         * config/sh/sh.c (fixup_mova): Skip notes.
3560 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3562         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3563         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3564         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3565         (s390_initial_elimination_offset): Likewise.
3566         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3567         register on TARGET_ZARCH targets.
3568         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3569         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3570         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3571         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3573 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3575         * config/s390/s390.md: Comment describing output modifiers updated.
3576         * config/s390/s390.c (print_operand): Likewise.
3578 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3580         * config/s390/s390.c (override_options): Added check for -mstack-size
3581         64k limitation.
3582         * doc/invoke.texi: Mention that limit in the documenation.
3584 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3586         PR #19672
3587         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3589 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3591         Fix PR tree-optimization/24231
3593         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3594         (compute_avail): Ditto.
3596 2005-10-18  Richard Henderson  <rth@redhat.com>
3598         PR target/24428
3599         * config/i386/i386.c (legitimate_constant_p): Check
3600         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3601         if LABEL_REF.
3602         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3603         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3604         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3605         directly.
3606         (print_operand_address): Likewise.
3607         * config/i386/predicates.md (x86_64_immediate_operand): Test
3608         SYMBOL_REF_TLS_MODEL properly inside CONST.
3609         (x86_64_zext_immediate_operand): Likewise.
3610         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3611         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3612         * config/i386/i386-protos.h: Remove predicates.md entries.
3614 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3616         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3617         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3619 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3620             Ian Lance Taylor <ian@airs.com>
3622         PR middle-end/23522
3623         * fold-const.c (fold_widened_comparison): Do not allow range based
3624         constant folding when right operand cannot be unwidened.
3626 2005-10-17  Richard Henderson  <rth@redhat.com>
3628         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3629         with a memory clobber.
3631 2005-10-17  James E Wilson  <wilson@specifix.com>
3633         PR rtl-optimization/17356
3634         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3635         checking for EDGE_EH.
3637 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3639         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3640         the slot on an even boundary for any type with 16-byte alignment.
3642 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3644         PR target/23424
3645         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3646         after register allocation.
3648 2005-10-17  DJ Delorie  <dj@redhat.com>
3650         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3651         as frame related.
3653 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3655         PR c++/22551
3656         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3657         overflow flags.
3659 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3661         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3662         to 2 if it's already non-zero.
3663         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3664         is set and warn about it if flag_schedule_insns is 1.
3666 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3668         * config/crx/crx.md: Compare-and-branch instructions need to
3669         invalidate CC.
3671 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3673         PR target/24315
3674         * config/i386/i386.md (*pushdi2_rex64 splitter)
3675         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3676         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3677         flow2 pass only when (optimize > 0 && flag_peephole2).
3679 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3681         PR driver/22544
3682         * gcc.c (have_c): New static variable.
3683         (have_o): Likewise.
3684         (process_command): Remove declation of have_c.
3685         Set have_o to 1 when handling -o.
3686         (main): Add a fatel error if there are multiple
3687         files specified and -o and -c/-S is passed witout
3688         -combine or multiple languages.
3690 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3692         Fix PR tree-optimization/22444
3693         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3694         Assert that we don't hit something with subvars.
3695         (setup_pointers_and_addressables): Don't add things with subvars,
3696         because we'll already process the subvars for aliasing purposes.
3698 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3700         PR target/23424
3701         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3702         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3703         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3704         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3705         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3706         swapped, alternatives for the R constraint.
3708         PR middle-end/24341
3709         * builtins.c (get_builtin_sync_mode): Make unlimited
3710         mode_for_size request.
3712 2005-10-15  Richard Henderson  <rth@redhat.com>
3714         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3715         (gimplify_expr): ... here.
3716         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3717         fb_lvalue in base expression.
3719 2005-10-15  Richard Henderson  <rth@redhat.com>
3721         PR 23714
3722         * builtins.c (expand_builtin_trap): Export.
3723         * expr.h (expand_builtin_trap): Declare.
3724         * expr.c (expand_assignment): Emit a trap for integral offsets
3725         from registers that weren't reduced to bitpos.
3727         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3728         (mark_array_ref_addressable): Remove.
3729         * tree-flow.h (mark_array_ref_addressable): Remove.
3730         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3732 2005-10-15  James E Wilson  <wilson@specifix.com>
3734         PR target/24232
3735         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3736         (add_dependence_list_and_free): Likewise.
3737         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3738         call.
3740 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3742         PR 23141
3743         PR 23142
3744         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3745         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3746         anti-range.
3747         (vrp_visit_phi_node): Only prevent infinite iterations when
3748         the previous result and the new result are both VR_RANGEs.
3750 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3752         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3753         function comment.
3755 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3757         PR c/23439
3758         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3759         to initialize loc.
3761 2005-10-14  Per Bothner  <per@bothner.com>
3763         PR preprocessor/21250
3764         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3766 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3768         PR c++/22551
3769         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3770         overflow flags.  Refactor some conditionals.
3772 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3774         PR tree-opt/21304
3775         * tree-dfa.c (add_referenced_var): Only look at decls which
3776         have TREE_CONSTANT or TREE_READONLY set instead of if
3777         !TREE_PUBLIC or !TREE_CONSTANT.
3779 2005-10-13  James E Wilson  <wilson@specifix.com>
3781         * doc/invoke.texi: For -x, add f95-cpp-input.
3782         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3784 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3786         PR tree-optimization/24262
3787         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3788         in loop all the time.
3790 2005-10-12  Richard Henderson  <rth@redhat.com>
3792         PR c/24255
3793         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3794         * function.c (assign_parm_find_data_types): Don't support it.
3795         * print-tree.c (print_node): Likewise.
3796         * c-common.c (handle_transparent_union_attribute): Likewise.
3797         Use build_duplicate_type.
3798         * tree-inline.c (remap_type_1): Split out of remap_type;
3799         properly remap aggregate fields.
3800         (build_duplicate_type): New.
3801         * doc/extend.texi (Variable Attributes): Remove documentation
3802         for transparent_union.
3804 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3806         PR target/24284
3807         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3808         (gen_stack_pointer_dec): Likewise.
3810 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3812         PR middle-end/21275
3813         PR middle-end/21766
3814         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3815         target hook.
3816         (struct cxx): Add adjust_class_at_definition target hook.
3817         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3818         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3819         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3820         hook_void_tree. Add to TARGET_CXX.
3821         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3822         dllimport_flag.
3823         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3824         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3825         instead of attribute. Check for dllexport override.  Warn if
3826         inconsistent dll linkage. Don't lose old dllimport if decl has
3827         had address referenced.   Tweak lookup of dllimport atribute.
3828         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3829         for target specific rules.  Don't add dllimport attribute if
3830         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3831         dllimport attribute.
3832         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3833         * varasm.c (initializer_constant_valid_p): Replace
3834         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3836         PR target/21801
3837         PR target/23589
3838         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3839         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3840         (i[34567]86-*-mingw32*): Likewise.
3842         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3843         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3845         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3846         C++-specific code. Change return value to bool.
3847         (i386_pe_dllimport_p): Likewise.
3848         (associated_type): Simplify and make language-independent
3849         (i386_pe_encode_section_info): Replace override of ambiguous
3850         dllimport symbol refs with a gcc_assert.
3851         (i386_pe_valid_dllimport_attribute_p): Define.
3852         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3853         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3854         i386_pe_adjust_class_at_definition.
3855         * config/i386/winnt-stubs.c: New file. Define stub versions of
3856         lang-specific functions.
3857         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3858         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3859         i386_pe_adjust_class_at_definition.
3860         (i386_pe_valid_dllimport_attribute_p): Declare.
3861         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3862         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3863         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3865         PR target/19704
3866         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3867         dllimport attribute with test of DECL_DLLIMPORT_P.
3869 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3871         * combine.c (make_extraction): Correct offset computation.
3873 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
3875         * config/cris/t-linux (LIMITS_H_TEST): Define.
3877 2005-10-12  Richard Henderson  <rth@redhat.com>
3879         PR rtl-opt/23324
3880         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3882 2005-10-12  Richard Guenther  <rguenther@suse.de>
3884         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3886 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
3888         PR c++/19964
3889         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3890         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3891         type.
3893 2005-10-12  Richard Guenther  <rguenther@suse.de>
3895         PR c++/23799
3896         * varasm.c (output_constant): Correct typo from previous
3897         patch by DJ.
3899 2005-10-11  Ian Lance Taylor  <ian@airs.com>
3901         PR rtl-optimization/13931
3902         * combine.c: Revert patch of 2003-05-14, and:
3903         (try_combine): Only set elim_i1 and elim_i2 if the destination is
3904         completely killed in the appropriate insn.
3905         (distribute_notes): Don't skip multiple hard register test for
3906         elim_i1 and elim_i2.
3908 2005-10-11  Richard Henderson  <rth@redhat.com>
3910         PR c/24255
3911         * c-typeck.c (convert_for_assignment): Use build_constructor_single
3912         to initialize a transparent union instead of a nop_expr.
3914 2005-10-11  Richard Henderson  <rth@redhat.com>
3916         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3917         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3918         (tree_ssa_dce_loop): Call scev_reset.
3920         PR tree-opt/24300
3921         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3922         * tree-ssa-dce.c: Include cfgloop.h.
3923         (tree_ssa_dce_loop, pass_dce_loop): New.
3924         * tree-pass.h (pass_dce_loop): Declare it.
3925         * passes.c (init_optimization_passes): Use it.
3927 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3929         PR middle-end/24263
3930         * convert.c (convert_to_real): Revert 2005-10-05 patch.
3931         Only apply the optimization for rounding builtins if the inner
3932         cast is also an extension.
3934 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
3936         PR tree-opt/23946
3937         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3938         mark_new_vars_to_rename instead of update_stmt.
3940 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3942         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3944 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
3946         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3947         for setting MMX register to 0 rather than mmx.
3949 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
3951         PR target/12098
3952         * configure.ac: Move gas check from mips specific case to common case.
3953         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3954         * configure: Regenerate
3955         * doc/install.texi: Update.
3957 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3959         PR target/24284
3960         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3962 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
3964         * gcc.c (do_spec_1): Accept numeric characters in file name
3965         suffixes.
3967 2005-10-10  Nick Clifton  <nickc@redhat.com>
3969         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
3970         describing the deleted arm_gen_rotated_half_load function.
3972 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3974         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3975         __fpscr_values.
3977 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
3979         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3980         gnu_ld assignments.
3981         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3982         (EXTRA_MULTILIB_PARTS): Define.
3983         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3984         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3985         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3986         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3987         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3988         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3990 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
3992         PR tree-optimization/24226
3993         * tree-cfg.c (remove_bb): Clean up unreachable loops.
3994         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3995         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3996         Export.
3998 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4000         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4002 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4004         PR target/24136
4005         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4006         Rewrite for no need for the early clobber.
4008 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4010         Merge from csl-arm-branch:
4011         2005-09-07  Paul Brook  <paul@codesourcery.com>
4012         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4013         space to string.
4015         2005-04-30  Paul Brook  <paul@codesourcery.com>
4016         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4017         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4019         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4020         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4021         (arm_override_options): Use TARGET_AAPCS_BASED.
4022         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4023         (PTRDIFF_TYPE): Use int for AAPCS.
4024         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4025         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4026         (DEFAULT_SHORT_ENUMS): Delete.
4027         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4029         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4030         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4031         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4032         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4034         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4035         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4037         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4038         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4040         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4041         * config.gcc (arm*-*-linux-gnueabi): Add it.
4042         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4043         redefining it.
4044         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4045         * config/arm/linux-eabi.h: New file.
4046         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4047         (LINUX_TARET_LINK_SPEC): Likewise.
4048         (LINK_SPEC): Use it.
4049         * config/arm/t-linux-eabi: New file.
4051 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4053         PR other/22202
4054         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4055         spaces.
4056         (PARAM_SMS_DFA_HISTORY): Likewise.
4058 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4060         PR middle-end/23150
4061         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4062         (load_register_parameters): Call it.
4063         (check_sibcall_argument_overlap_1): Likewise.
4064         (store_one_arg): Likewise.
4066 2005-10-07  James E. Wilson  <wilson@specifix.com>
4068         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4069         DImode not VECINT24 for operand 2.
4071         PR target/23644
4072         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4073         -mtune-arch.
4075         PR target/24193
4076         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4077         fr_spill): Use destination_operand for operand 0.
4079 2005-10-07  DJ Delorie  <dj@redhat.com>
4081         * varasm.c (output_constant): Limit error to expanding
4082         conversions.
4084 2005-10-07  Richard Guenther  <rguenther@suse.de>
4086         PR middle-end/24227
4087         * fold-const.c (fold_binary): Fix operand types during folding
4088         of X op (A, Y).  Evaluation order of the side-effects of
4089         X and A are frontend-defined, so ensure we honour that even for
4090         tcc_comparison class operands; eased by removing duplicate code.
4092 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4094         * stor-layout.c (layout_type): Do not allow alignment of array
4095         elements to be greater than their size.
4097 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4099         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4100         host_xmake_file.
4101         (hppa*-*-linux*): Ditto.
4102         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4103         * config/host-hpux.c: New.
4104         * config/x-hpux: New.
4105         * config/pa/x-hpux: Remove.
4106         * config/pa/x-linux: Remove.
4107         * config/pa/pa-host.c: Remove.
4109 2005-10-07  Jeff Law  <law@redhat.com>
4111         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4112         determine whether or not to try and thread outgoing edges.
4114 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4116         * config/rs6000/rs6000.md (eqsi_power): New.
4117         (neg_eq0si): Add TARGET_POWER to final condition.
4118         (neg_eqsi): Same.
4120 2005-10-06  Richard Henderson  <rth@redhat.com>
4122         * config/rs6000/rs6000.c: Revert last change.
4124 2005-10-06  Richard Henderson  <rth@redhat.com>
4126         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4127         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4129 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4131         PR middle-end/22216
4132         PR middle-end/23651
4133         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4134         out return_label and naked_return_label.
4136 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4138         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4139         change.
4141 2005-10-06  Richard Henderson  <rth@redhat.com>
4143         PR tree-opt/22237
4144         * tree-inline.c (declare_return_variable): Handle modify_dest not
4145         being a DECL.
4147 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4149         Fix PR tree-optimization/22488
4150         * tree-ssa-structalias.c (check_for_overlaps): New function.
4151         (create_variable_info_for): Use it.
4153 2005-10-06  Richard Henderson  <rth@redhat.com>
4155         PR debug/24070
4156         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4157         (dwarf2out_start_source_file): Print it.
4159 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4161         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4163 2005-10-06  Richard Henderson  <rth@redhat.com>
4165         PR 23706
4166         * mode-switching.c (optimize_mode_switching): Clear transp bit
4167         for block with incomming abnormal edges.
4169         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4170         (fpscr_set_from_mem): Use them.
4171         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4172         (fpscr postinc splitters): Rewrite as peephole2+split.
4174 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4176         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4177         (eq<mode>_compare): Same.
4179 2005-10-06  Richard Guenther  <rguenther@suse.de>
4181         PR tree-optimization/24238
4182         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4184 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4186         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4187         here.  Use AC_PATH_PROG for environment variables instead of
4188         test -x.
4189         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4190         objdump also.
4191         * configure: Regenerated.
4193 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4195         PR target/23783
4196         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4197         then force it into a register.
4198         (call_value): Likewise.
4200 2005-10-06  Richard Henderson  <rth@redhat.com>
4202         PR 24049
4203         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4204         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4205         under pass_vectorize.
4207 2005-10-05  Devang Patel  <dpatel@apple.com>
4209         PR Debug/23205
4210         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4211         handling constants. Check NAMESPACE_DECL context for constants.
4213 2005-10-05  Eric Christopher  <echristo@apple.com>
4215         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4217 2005-10-05  Richard Henderson  <rth@redhat.com>
4219         PR 23714
4220         * tree-cfg.c (mark_array_ref_addressable_1): New.
4221         (mark_array_ref_addressable): New.
4222         * tree-flow.h (mark_array_ref_addressable): Declare.
4223         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4225 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4227         PR middle-end/20606
4228         PR middle-end/24069
4229         * reload.c (subst_reloads): When adding a REG_LABEL to a
4230         jump instruction, also update JUMP_LABEL.
4232 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4234         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4235         * bb-reorder.c (copy_bb_p): Use it.
4236         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4238 2005-10-05  Richard Henderson  <rth@redhat.com>
4240         PR target/23602
4241         * toplev.c (process_options): Warn about unsupported combinations
4242         of unwind tables and omit-frame-pointer.
4243         * config/i386/i386.c (override_options): Similarly.  Enable
4244         accumulate-outgoing-args if not explicitly disabled.
4246 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4248         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4249         Handle big endian vs. small endian.
4250         (vec_initv2sf): Handle big endian vs. small endian.
4251         (*vec_extractv2sf_1): Ditto.
4253 2005-10-05  Dale Johannesen  <dalej@apple.com>
4255         * convert.c (convert_to_real):  Don't convert
4256         (float)floor(double d) to floorf((float)d).
4258 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4260         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4262 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4264         PR tree-optimization/18587
4265         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4266         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4267         build_vuses): Change to VEC type.
4268         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4269         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4270         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4271         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4272         (get_name_decl): New.  Return DECL_UID of base variable.
4273         (operand_build_cmp): New.  qsort comparison routine.
4274         (operand_build_sort_virtual): New.  Sort virtual build vector.
4275         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4276         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4277         (FINALIZE_BASE): Use get_name_decl.
4278         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4279         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4280         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4281         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4282         direct VEC_* manipulations.
4283         (build_ssa_operands): Call operand_build_sort_virtual.
4284         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4285         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4286         with direct VEC_* manipulations.
4287         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4288         with direct VEC manipulations.
4290 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4292         PR tree-optimization/21419
4293         PR tree-optimization/24146
4294         PR tree-optimization/24151
4296         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4297         (build_asm_expr): Call it if outputs are read-only.
4298         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4300 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4301             Paolo Bonzini  <bonzini@gnu.org>
4303         PR target/23809
4305         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4306         enable the instructions and not just the built-ins.
4307         * doc/invoke.texi (x86 Options): Likewise.
4309 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4311         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4313         * doc/invoke.texi (Option Summary): Correct spelling
4314         of -mmacosx-version-min.
4316 2005-10-04  Devang Patel  <dpatel@apple.com>
4318         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4319         real types.
4321 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4323         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4324         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4326 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4328         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4329         ("TE","tg"): New mode attributes.
4330         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4331         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4332         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4333         dword_mode and one for GPRmode.
4335 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4337         PR preprocessor/13726
4338         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4339         any comments passed in.
4341 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4343         * tree.c (annotate_with_file_line): Fix typo.
4345 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4347         PR ada/19382
4348         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4349         type used to access data in the inlined length == 1 case, use
4350         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4351         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4353 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4355         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4356         TARGET_SSE3 and only for TARGET_80387.
4357         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4358         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4359         Do not depend on TARGET_80387.
4361 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4363         * tree.c (last_annotated_node): Change type to location_t*.
4364         (annotate_with_file_line): Reflect the change of
4365         last_annotated_node type.
4367 2005-10-04  Richard Guenther  <rguenther@suse.de>
4369         PR c/23576
4370         * c-decl.c (grokdeclarator): Don't write to fields
4371         of error_mark_node.
4373 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4375         PR middle-end/23125
4376         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4377         register variables.
4378         * varasm.c (make_decl_rtl): If a register variable does not
4379         have a set user assmbler name, error out.
4380         Decode the asmspec is now name+1 bypassing '*'.
4382 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4384         PR tree-optimization/23049
4385         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4386         of a COND_EXPR is folded before calling fold on the whole rhs of a
4387         conditional assignment.
4388         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4389         document that a COND_EXPR may appear there.
4391 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4393         PR 23445
4394         * tree-vrp.c (extract_range_from_assert): If the new numeric
4395         range created out of the assertion contradicts the existing
4396         numeric range of the ASSERT_EXPR variable, make the new range
4397         varying.
4399 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4401         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4402         from T_REGS to FP register class.
4404 2005-10-03  Richard Henderson  <rth@redhat.com>
4406         PR 24135
4407         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4408         before creating a new one.
4410 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4412         * config/rs6000/t-aix43 (LDFLAGS): New.
4413         * config/rs6000/t-aix52 (LDFLAGS): New.
4415 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4417         * gimplify.c (find_single_pointer_decl_1): New static function.
4418         (find_single_pointer_decl): New static function.
4419         (internal_get_tmp_var): For a formal variable, set restrict base
4420         information if appropriate.
4421         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4422         return it.
4423         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4424         (DECL_GET_RESTRICT_BASE): Define.
4425         (SET_DECL_RESTRICT_BASE): Define.
4426         (decl_restrict_base_lookup): Declare.
4427         (decl_restrict_base_insert): Declare.
4428         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4429         * tree.c (restrict_base_for_decl): New static variable.
4430         (init_ttree): Initialize restrict_base_for_decl.
4431         (copy_node_stat): Copy restrict base information.
4432         (decl_restrict_base_lookup): New function.
4433         (decl_restrict_base_insert): New function.
4434         (print_restrict_base_statistics): New static function.
4435         (dump_tree_statistics): Call print_restrict_base_statistics.
4437 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4439         PR 24142
4440         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4441         case of anti-ranges.
4443 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4445         PR c/18851
4446         * c-typeck.c (tagged_tu_seen): Rename to ...
4447         (tagged_tu_seen_cache): this and add val field.
4448         (comptypes): Move functional to comptypes_internal
4449         and free tagged_tu_seen.
4450         (comptypes_internal): New function and call comptypes_internal
4451         instead of comptypes. Speed up by sibcalling
4452         tagged_types_tu_compatible_p.
4453         (alloc_tagged_tu_seen): New function
4454         (free_all_tagged_tu_seen_up_to): New function.
4455         (tagged_types_tu_compatible_p): Return the val of the seen two
4456         types.
4457         Add that the two types are the same to tagged_tu_seen_base
4458         if they are and call comptypes_internal instead of comptypes.
4459         <case UNION_TYPE>: Speed up common type where the fields are
4460         in the same order.
4461         (function_types_compatible_p): Call comptypes_internal instead of
4462         comptypes.
4463         (type_lists_compatible_p): Likewise.
4464         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4466 2005-10-02  Matthias Klose  <doko@debian.org>
4468         * doc/invoke.texi: Fix typo and speling error.
4470 2005-10-01  Richard Henderson  <rth@redhat.com>
4472         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4474 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4476         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4477         using --start-group and --end-group.
4479 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4481         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4482         FIXME note regarding quirky semantics.
4484 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4486         PR 24141
4487         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4488         non-null range as a last resort.
4490 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4491             Diego Novillo  <dnovillo@redhat.com>
4493         PR 23604
4494         * tree-vrp.c (extract_range_from_assert): For !=
4495         assertions, only build an anti-range if LIMIT is a
4496         single-valued range.
4498 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4500         * arm.md (movqi): On thumb when optimizing, handle loading from
4501         memory by describing this as taking a subreg of a zero-extended load
4502         into an SImode register.
4503         (movhi): Likewise.
4505 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4507         * reload1.c (merge_assigned_reloads): Do not change any
4508         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4510 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4512         * Makefile.in (LIPO_FOR_TARGET): Define.
4513         (STRIP_FOR_TARGET): Define.
4515         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4516         before creating new ones.  Do symlinks before creating the actual
4517         targets.
4519         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4520         to work out which multilibs are actually being built.
4522 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4524         * tree-vect-transform.c, config/ms1/ms1.md,
4525         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4526         Follow spelling conventions.
4527         * doc/invoke.texi, doc/md.texi: Fix typos.
4529 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4531         PR tree-optimization/21430
4532         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4533         use operands, and set stmt pointer if need be.
4534         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4535         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4536         present.
4538 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4540         PR middle-end/24053
4541         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4543 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4545         * optabs.c (expand_binop): Initialize first_pass_p.
4547 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4549         PR middle-end/24109
4550         * c-decl.c (c_write_global_declarations_1): If any
4551         wrapup_global_declaration_2 call returned true, restart the loop.
4553 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4555         Fix PR tree-optimization/24117
4556         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4557         before considering whether to use anyoffset.
4559 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4561         Revert this patch:
4563         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4565         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4566         to order operands.
4567         (swap_commutative_operands_with_target): New.
4569 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4571         PR c/21419
4572         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4573         read-only.
4575 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4577         PR tree-optimization/23911
4578         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4579         and IMAGPART_EXPR too.
4581 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4583         PR 17886
4584         * expmed.c (expand_shift): Move logic to reverse rotation
4585         direction when  rotating by constants ...
4586         * optabs.c (expand_binop): ... here.
4587         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4588         (ix86_rotrdi3): New pattern.
4589         (rotldi3): Handle 32-bit mode.
4590         (ix86_rotldi3): New pattern.
4592 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4594         PR target/24102
4595         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4596         check for numbers that need no bit twiddle.
4598 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4600         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4601         multilib to be built.
4603         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4604         (stage1-start): Delete old libgcc and libunwind before moving
4605         anything into the stage directory.
4606         (stage2-start): Likewise.
4607         (stage3-start): Likewise.
4608         (stage4-start): Likewise.
4609         (stageprofile-start): Likewise.
4610         (stagefeedback-start): Likewise.
4611         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4612         header in tm_file and CPU-specific t-darwin in tmake_file.
4613         (i[34567]86-*-darwin*): Don't change tm_file.
4614         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4615         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4616         shared library stub for target OS version.
4617         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4618         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4619         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4620         (libgcc_s.%.dylib): New.
4621         (LIBGCC): Define.
4622         (install-darwin-libgcc-stubs): New.
4623         (INSTALL_LIBGCC): New append.
4624         * config/i386/darwin-libgcc.10.4.ver: New.
4625         * config/i386/darwin-libgcc.10.5.ver: New.
4626         * config/i386/t-darwin: New.
4627         * config/rs6000/darwin-libgcc.10.4.ver: New.
4628         * config/rs6000/darwin-libgcc.10.5.ver: New.
4629         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4630         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4632 2005-09-28  Paul Brook  <paul@codesourcery.com>
4634         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4635         denormals.
4637 2005-09-28  Richard Guenther  <rguenther@suse.de>
4639         PR tree-optimization/23853
4640         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4641         host_integerp to verify misalignment value.
4643 2005-09-28  Richard Henderson  <rth@redhat.com>
4645         * builtins.c (get_builtin_sync_mode): New.
4646         (expand_builtin_sync_operation): Pass in mode argument.
4647         (expand_builtin_compare_and_swap): Likewise.
4648         (expand_builtin_lock_test_and_set): Likewise.
4649         (expand_builtin_lock_release): Likewise.
4650         (expand_builtin): Update to match.
4652 2005-09-28  Nick Clifton  <nickc@redhat.com>
4654         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4655         formatting.  Add check to PLUS case to ensure that the offset is
4656         within an acceptable range.
4658         * config/v850/v850.md (casesi): Disable the generation of the
4659         switch pattern as it is not being handled properly at the moment.
4661         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4662         for when the high words are identical.
4664 2005-09-27  Richard Henderson  <rth@redhat.com>
4666         * pretty-print.c (pp_base_format): Fix typo for %>.
4668 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4669             Devang Patel  <dpatel@apple.com>
4671         PR tree-optimization/23625
4672         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4673         LABEL_EXPR, assertion check.
4675 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4677         * optabs.c (no_conflict_move_test): Check if a result of a
4678         to-be-moved insn would be clobbered by an originally
4679         preceding insn.
4681 2005-09-27  Jeff Law  <law@redhat.com>
4683         * passes.c (init_optimization_passes): Replace copy propagation
4684         passes immediately after DOM with phi-only copy propagation
4685         pases.  Add phi-only copy propagation pass after first DOM pass.
4686         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4687         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4688         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4689         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4690         to init_copy_prop.  Callers updated.
4691         (do_phi_only_copy_prop): New function.
4692         (pass_phi_only_copy_prop): New pass descriptor.
4694 2005-09-27  Nick Clifton  <nickc@redhat.com>
4696         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4698 2005-09-26  Jason Merrill  <jason@redhat.com>
4700         PR c++/13764
4701         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4703         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4705 2005-09-26  James E Wilson  <wilson@specifix.com>
4707         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4708         copyright.  Add gcc copyright plus libgcc exception.
4709         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4710         copyright.
4711         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4713 2005-09-26  Jeff Law  <law@redhat.com>
4715         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4716         about when to iterate.
4718 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4720         PR target/23847
4721         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4722         for __complex__ double in -mcpu=G5 mode.
4724 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4726         PR tree-optimization/23942
4727         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4728         * tree-scalar-evolution.c: Include params.h.
4729         (t_bool): New enum.
4730         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4731         follow_ssa_edge_in_condition_phi_branch,
4732         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4733         Change return type to t_bool.  Use a parameter to limit the size of
4734         trees that are walked before stopping
4735         (analyze_evolution_in_loop): Initialize the limit to 0.
4736         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4737         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4739 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4741         PR middle-end/23831
4742         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4743         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4745 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4747         * combine.c (make_extraction): Check for valid use of subreg.
4749 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4751         PR target/24055
4752         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4753         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4754         ("fist<mode>2_with_temp"): Use only register operands.
4756 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4758         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4759         CALL_INSN_FUNCTION_USAGE.
4761 2005-09-26  Richard Guenther  <rguenther@suse.de>
4763         PR middle-end/15855
4764         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4765         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4766         (ldst_entry): Use the hashtable instead of list-walking.
4767         (find_rtx_in_ldst): Likewise.
4768         (free_ldst_entry): Free the hashtable.
4769         (compute_ld_motion_mems): Create the hashtable.
4770         (trim_ld_motion_mems): Remove entry from hashtable if
4771         removing it from list.
4772         (compute_store_table): Likewise^2.
4773         (store_motion): Free hashtable in case we did not see
4774         any stores.
4776 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4778         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4779         and arg1 if we are passing them to fold_build2.
4781 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4783         PR 23828
4784         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4785         a nested function.
4787 2005-09-25  Richard Henderson  <rth@redhat.com>
4789         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4790         SYMBOL_REF_TLS_MODEL to be correct.
4792 2005-09-24  Richard Henderson  <rth@redhat.com>
4794         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4795         end of function.  Reindent.
4797 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4799         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4800         NEGATE_EXPR/BIT_NOT_EXPR case.
4802 2005-09-24  Richard Henderson  <rth@redhat.com>
4804         * c-common.c (handle_mode_attribute): When not modifying in place,
4805         create subtypes for enumerations.
4806         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4807         * gimplify.c (create_tmp_from_val): Likewise.
4809 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4811         * config/i386/i386.md (*tls_global_dynamic_64,
4812         *tls_local_dynamic_base_64): Add missing mode to call.
4813         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4815 2005-09-24  Jan Hubicka  <jh@suse.cz>
4817         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4818         (cgraph_clone_node): Likewise.
4819         * cgraph.h (cgraph_clone_edge): Update prototype.
4820         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4821         duplicated prototypes; add updating argument.
4822         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4823         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4824         updating profile.
4825         (cgraph_mark_inline_edge): Likewise.
4826         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4827         (cgraph_flatten_node): Likewise.
4828         (cgraph_decide_recursive_inlining): Likewise.
4829         (cgraph_decide_inlining_of_small_function): Likewise.
4830         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4832 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4833             Pete Steinmetz <steinmtz@us.ibm.com>
4835         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4836         (rldic.): Set type to "compare".
4837         (rldicr.): Same.
4838         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4839         mfjmpr for MFCTR/MFLR.
4840         (movdf_hardfloat64): Same.
4841         (movdf_softfloat64): Same.  Correct order of store and move types.
4842         (movti_string): Set type to store_ux/load_ux.
4843         (load_multiple): Set type to load_ux.
4844         (store_multiple): Set type to store_ux.
4845         (movmemsi): Set type to store_ux.
4846         (output_cbranch direct_return): Set type to jmpreg.
4847         (stmw): Set type to store_ux.
4848         (lmw): Set type to load_ux.
4849         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4850         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4851         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4852         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4853         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4854         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4855         (rios1-fpstore): Increase latency to 3.
4856         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4857         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4859 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4860             Andrew Pinski  <pinskia@physics.uc.edu>
4862         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4863         operand2 constraint to "b".
4864         (sync_<fetchop_name>di_internal): Same.
4865         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4866         to "b".
4867         (sync_old_<fetchop_name>di_internal): Same.
4868         (sync_new_<fetchop_name>si_internal): Same.
4869         (sync_new_<fetchop_name>di_internal): Same.
4871 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4873         PR middle-end/23991
4874         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4875         case, define as macros.
4877         PR rtl-optimization/23837
4878         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
4879         clobber / clobber match between dest and p->first.
4881         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4882         (no_conflict_move_test): Update comments.
4884 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4886         * doc/install.texi: Update URL for Jacks.
4887         * doc/sourcebuild.texi: Likewise.
4889 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4891         PR target/24007
4892         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4893         registers when choosing register preferences.
4894         (movdf_hardfloat64): Same.
4896 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
4898         * expmed.c (expand_shift): Don't use the target of the rotate as
4899         target for the first expanded shift insn.
4900         * testsuite/gcc.dg/20050922-1.c: Testcase added.
4902 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
4904         PR tree-optimization/22438
4905         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4906         preserved iv rhs rewriting specially.
4908 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
4910         * tree-data-ref.c (analyze_array_indexes): Only estimate when
4911         estimate_only  is true.
4912         * tree-flow.h (ref_contains_indirect_ref): New prototype.
4913         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4914         tree-ssa-structalias.c
4915         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4916         ref_contains_indirect_ref.
4917         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4919 2005-09-21  DJ Delorie  <dj@redhat.com>
4921         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4922         MASK_PTR_A0D0.
4923         (mn10300_return_in_memory): Support variable size types also.
4924         (mn10300_pass_by_reference): Likewise.
4925         (mn10300_function_value): New.
4926         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4927         (FUNCTION_OUTGOING_VALUE): Likewise.
4928         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4929         * doc/invoke.texi: Document it.
4931 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
4933         PR target/22585
4934         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4935         force integer op1 into register for XFmode compares.
4937 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
4939         PR middle-end/23971
4940         * expmed.c (alg_code): Add alg_impossible.
4941         (alg_hash_entry): Add cost.
4942         (synth_mult): Record alg_impossible in the hash table if
4943         multiplication by a given integer is impossble within the
4944         limit.  Speed up using alg_impossible.
4946 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4948         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4949         argument.  Allow and set any offset if needs_anyoffset is passed
4950         in.
4951         (get_constraint_for): Add argument here too.
4952         Pass it down.
4953         (do_structure_copy): Pass NULL to get_constraint_for.
4954         (handle_ptr_arith): Ditto.
4955         (find_func_aliases): Ditto.
4957 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
4959         PR rtl-optimization/23898
4960         * output.h (get_attr_min_length): Declare.
4961         * final.c (get_attr_length_1): New function, broken out of:
4962         (get_attr_length).
4963         (get_attr_min_length): New function.
4964         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4965         (duplicate_computed_gotos): Likewise.
4966         * genattr.c (insn_min_length): Generate declaration.
4967         * genattrtab.c (min_fn, min_attr_value): New functions.
4968         (make_length_attrs): Generate insn_min_length.
4970 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
4972         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4974 2005-09-20  Richard Henderson  <rth@redhat.com>
4976         PR tree-optimization/24059
4977         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4978         EXPAND_STACK_PARM.
4980 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
4982         * c.opt (fextended-identifiers): New.
4983         * c-opts.c (c_common_handle_option): Handle
4984         -fextended-identifiers.
4985         * doc/cpp.texi: Update documentation of extended identifiers.
4986         * doc/cppopts.texi (-fextended-identifiers): Document.
4988 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
4990         PR tree-optimization/23929
4991         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4992         if expr is NULL.
4994         PR tree-optimization/23818
4995         * tree-stdarg.c (execute_optimize_stdarg): Call
4996         calculate_dominance_info.
4998 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5000         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5001         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5002         (compute_overlap_steps_for_affine_1_2): Use
5003         get_number_of_iters_for_loop.
5004         (analyze_subscript_affine_affine): Check whether difference is
5005         zero first.
5006         Use get_number_of_iters_for_loop.
5007         Check whether overlap occurs outside of bounds.
5008         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5010 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5012         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5013         base register if possible.
5015 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5017         PR tree-optimization/18463
5018         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5019         converting it directly is not possible.
5020         (chrec_convert_aggressive): New function.
5021         * tree-chrec.h (chrec_convert_aggressive): Declare.
5022         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5023         Fold chrec conversions aggressively if asked to.
5024         (instantiate_parameters): Modified because of changes in
5025         instantiate_parameters_1.
5027 2005-09-19  Richard Henderson  <rth@redhat.com>
5029         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5030         (reduc_splus_v2df): New.
5032 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5034         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5035         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5037 2005-09-19  Richard Henderson  <rth@redhat.com>
5039         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5040         vcondu<SSEMODE12>.
5042 2005-09-19  Richard Henderson  <rth@redhat.com>
5044         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5045         (ia64_expand_dot_prod_v8qi): New.
5046         * config/ia64/ia64-protos.h: Update.
5047         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5048         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5049         sdot_prodv8qi, sdot_prodv4hi): New.
5050         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5052 2005-09-19  Richard Henderson  <rth@redhat.com>
5054         PR 23941
5055         * real.c (exact_real_truncate): Return false if the format cannot
5056         represent the number as a normal.
5058         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5059         for a memory source.
5061 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5063         * tree-ssa-operands.c (swap_tree_operands): Export.
5064         * tree.h (swap_tree_operands): Declare.
5065         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5066         Call swap_tree_operands.
5068 2005-09-19  Richard Henderson  <rth@redhat.com>
5070         * tree-flow.h (merge_alias_info): Declare.
5071         * tree-ssa-copy.c (merge_alias_info): Export.
5072         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5073         (vect_create_data_ref_ptr): Use create_iv directly.
5074         (vectorizable_load): Use correct types for integer constants.
5075         (vect_generate_tmps_on_preheader): Likewise.
5076         (vect_gen_niters_for_prolog_loop): Likewise.
5078 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5080         PR rtl-optimization/23943
5081         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5083 2005-09-18  Jan Hubicka  <jh@suse.cz>
5085         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5087 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5089         * varasm.c (output_constant): Do not abort on conversions to union
5090         types between different sizes.
5092 2005-09-18  Richard Guenther  <rguenther@suse.de>
5094         PR middle-end/23944
5095         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5096         fallback.
5098 2005-09-18  Paul Brook  <paul@codesourcery.com>
5100         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5102 2005-09-17  Richard Henderson  <rth@redhat.com>
5104         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5105         * tree-ssa-loop.c (pass_vect_dce): Remove.
5106         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5107         of pass_vectorize.
5109 2005-09-17  Richard Henderson  <rth@redhat.com>
5111         * tree-pass.h (pass_vect_dce): Declare.
5112         * passes.c (init_optimization_passes): Add it.
5113         * tree-flow.h (tree_ssa_dce): Declare.
5114         * tree-ssa-dce.c (tree_ssa_dce): Export.
5115         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5116         (gate_tree_vectorize): ... here.
5117         (pass_vect_dce): New.
5119 2005-09-17  Jan Hubicka  <jh@suse.cz>
5121         * except.c (struct eh_status): Turn region_array into vec.
5122         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5123         convert_from_eh_region_ranges, find_exception_handler_labels,
5124         current_function_has_exception_handlers, assign_filter_values,
5125         build_post_landing_pads, dw2_build_landing_pads,
5126         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5127         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5128         foreach_reachable_handler, can_throw_internal_1,
5129         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5130         region_array.
5131         (duplicate_eh_region_1): Update region_array.
5132         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5134 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5136         PR middle-end/22067
5137         * expmed.c (expand_mult): Substitute simple register for op0 when
5138         computing max_cost.
5140 2005-09-17  Richard Henderson  <rth@redhat.com>
5142         * expr.c (emit_move_via_integer): Add force argument, pass it on
5143         to emit_move_change_mode.  Update callers.
5144         (emit_move_complex): Pass true to new force argument.
5145         * function.c (expand_function_end): Move expand_eh_return call
5146         earlier.  Merge sub-word complex values into a pseudo before
5147         copying to the return hard register.
5149 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5151         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5152         between different sizes.
5154 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5156         PR 23903
5158         * passes.c (init_optimization_passes): Register dump files for
5159         IPA passes first.
5161 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5163         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5164         * config/s390/s390.c (s390_overlap_p): New function.
5165         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5166         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5167         condition.
5169 2005-09-16  Richard Guenther  <rguenther@suse.de>
5171         * ipa-pure-const.c (static_execute): Free auxiliar information.
5172         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5173         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5175 2005-09-15  DJ Delorie  <dj@redhat.com>
5177         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5179 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5181         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5182         to order operands.
5183         (swap_commutative_operands_with_target): New.
5185 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5187         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5188         parameter.
5189         Update callers.
5190         (estimate_iters_using_array): New function.
5191         * tree-data-ref.h (estimate_iters_using_array): Prototype
5192         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5193         Use estimate_iters_using_array instead of analyze_array.
5195 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5197         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5198         as addressable.
5200 2005-09-15  Michael Matz  <matz@suse.de>
5202         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5204 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5206         PR tree-optimization/23835
5207         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5208         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5210 2005-09-14  Richard Henderson  <rth@redhat.com>
5212         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5213         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5215 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5217         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5218         in the ARRAY_TYPE case.
5220 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5222         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5224 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5226         PR middle-end/22480
5227         * tree-vect-transform.c (vectorizable_operation): Return false for
5228         scalar shift operations and for vector shift operations with
5229         non-invariant shift arguments.  Use scalar tree operand op1 as
5230         a shift operand when vector shift insn pattern uses scalar shift
5231         operand.
5232         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5234 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5236         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5237         value if it has side-effects.
5239 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5241         PR target/22068
5242         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5244 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5246         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5247         passed as NAME as if it were label at start of function code.
5249 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5251         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5252         the constraints.
5254 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5256         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5257         as early clobber.  Rewrite so the PIC register is not implicitly used.
5259 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5261         * tree.c (annotate_with_file_line): Compare line numbers before
5262         file names.
5264 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5266         PR target/23816
5267         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5268         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5270 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5272         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5273         than a HOST_WIDEST_INT to gen_doloop_begin.
5275 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5277         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5279 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5281         PR tree-optimize/23817
5282         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5284 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5286         PR target/23774
5287         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5288         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5289         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5290         (restore_stack_nonlocal): Likewise.
5291         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5293 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5295         PR g++/7874
5296         * c.opt (ffriend-injection): New C++ option.
5297         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5298         (C++ Dialect Options): Document -ffriend-injection.
5300 2005-09-12  Josh Conner  <jconner@apple.com>
5302         PR middle-end/23237
5303         * ipa-reference.c (static_execute): Don't mark variables in
5304         named sections TREE_READONLY.
5306 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5308         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5309         stack_tie.
5311 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5313         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5314         V_MUST_DEF instead of just the first_use_p.
5315         Don't mark the virtual variables for renaming on the statement which
5316         is being removed.
5317         (pass_dse): Remove TODO_update_ssa.
5319 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5321         PR middle-end/23290
5322         * stor-layout.c (compute_record_mode): For records with a single
5323         field, actually check the field's mode size against the type size.
5325         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5326         registers for TARGET_SHMEDIA.
5327         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5328         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5329         of GENERAL_REGS and FP_REGS.
5331 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5333         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5335 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5337         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5338         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5339         are omitted.  Exclude stack_tie insn too.
5341 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5343         PR rtl-optimization/23098
5344         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5345         0.0f is easy.
5346         * config/rs6000/rs6000.md (movdf splitter): Use
5347         const_double_operand predicate for TARGET_POWERPC64.
5348         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5349         SYMBOL_REF method to ABI_V4.
5351         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5352         replace_equiv_address.
5353         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5354         rs6000_sr_alias_set and MEM_NOTRAP.
5355         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5357 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5359         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5360         handle CALL_EXPR again.
5362 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5364         * arm/predicates.md (alignable_memory_operand): Delete.
5366 2005-09-10  Richard Henderson  <rth@redhat.com>
5368         PR debug/23806
5369         * dbxout.c (dbxout_expand_expr): New.
5370         (dbxout_symbol): Use it.
5372 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5374         * arm.c (arm_gen_rotated_half_load): Delete.
5375         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5376         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5377         (thumb_set_return_address): Likewise.
5378         (thumb_load_double_from_address): Use adjust_address.
5379         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5380         (extendhsisi2_mem, movhi_bytes): Use change_address.
5381         (movhi): Use widen_memory_access.
5382         (reload_out_df): Use replace_equiv_address.
5383         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5385 2005-09-09  Richard Henderson  <rth@redhat.com>
5387         PR debug/20998
5388         * dbxout.c: Include expr.h.
5389         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5390         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5391         * Makefile.in (dbxout.o): Add EXPR_H.
5393 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5395         PR tree-optimization/23509
5396         * tree-cfg.c (replace_uses_by): Use replace_exp.
5397         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5398         pointers have name_mem_tag or type_mem_tag set.
5400 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5402         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5403         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5404         of wrongly accessing operands.
5406 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5408         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5409         * tree-chrec.c: Include tree-scalar-evolution.h.
5410         (chrec_convert): Instantiate the base and step before calling
5411         scev_probably_wraps_p that would fail on parametric evolutions.
5412         Collect all the fails into a single section failed_to_convert,
5413         print a diagnostic, and return chrec_dont_know instead of calling
5414         fold_convert.
5415         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5416         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5417         phi nodes.
5418         (scev_const_prop): Don't replace the definition of a loop closed ssa
5419         phi node by itself, or by another loop closed ssa phi node.
5420         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5421         that base and step are defined.
5423 2005-09-09  Richard Guenther  <rguenther@suse.de>
5425         PR c++/23624
5426         * fold-const.c (fold_ternary): Check truth_value_p before
5427         calling invert_truthvalue.
5429 2005-09-09  Nick Clifton  <nickc@redhat.com>
5431         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5432         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5433         dimension of these arrays.
5434         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5435         these arrays.
5436         * longlong.h: Only provide a prototype for the __clz_tab[] array
5437         if this header has not been included from libgcc2.h.
5438         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5439         defining own types.
5440         Provide prototypes for exported functions.
5441         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5442         libgcc2.c.
5444 2005-09-08  Josh Conner  <jconner@apple.com>
5446         PR c++/21135
5447         PR c++/23180
5448         * expr.c (expand_expr_addr_expr_1): Don't invoke
5449         expand_simple_binop for EXPAND_INITIALIZER.
5451 2005-09-08  Richard Henderson  <rth@redhat.com>
5453         PR debug/23190
5454         * toplev.c (wrapup_global_declaration_1): Split out ...
5455         (wrapup_global_declaration_2): ... from ...
5456         (wrapup_global_declarations): ... here.  Return bool.
5457         (check_global_declaration_1): Split out ...
5458         (check_global_declarations): from here.
5459         (emit_debug_global_declarations): New.
5460         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5461         check_global_declaration_1, emit_debug_global_declarations): Declare.
5462         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5463         of decls.  Call wrapup_global_declaration_1,
5464         wrapup_global_declaration_2, check_global_declaration_1 directly.
5465         (c_write_global_declarations_2): New.
5466         (ext_block): New.
5467         (c_write_global_declarations): Call c_write_global_declarations_2.
5468         * langhooks.c (write_global_declarations): Call
5469         emit_debug_global_declarations.
5471         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5472         remove decls that have DECL_RTL_SET_P.
5473         * passes.c (rest_of_decl_compilation): Invoke
5474         cgraph_varpool_finalize_decl for all but functions.
5476 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5478         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5479         the result of a conversion if the new min and max cannot be compared.
5481 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5483         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5484         (override_options): Setting s390_sr_alias_set removed.
5485         (save_fpr, save_gprs): Set alias set to vararg or frame.
5486         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5487         s390_sr_alias_set with get_frame_alias_set ().
5488         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5489         get_varargs_alias_set ().
5491 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5493         PR objc/20574
5494         PR objc/19324
5495         * c-parser.c (c_parser_objc_method_definition): If the next
5496         token is not "{", error out and don't start the function.
5498 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5500         * tree-vrp.c (extract_range_from_expr): Move the check for non
5501         nullness after the check for gimple invariant.
5503 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5505         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5507 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5509         PR target/23747
5510         * config/m32r.md (movmemsi_internal): Canonicalize order of
5511         operands in PLUS component of template.
5513 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5515         * reload1.c (fixup_eh_region_note): Remove assertion.
5516         (fixup_abnormal_edges): Reverted removal of call to
5517         find_many_sub_basic_blocks made on 2005-08-31.
5519 2005-09-07  Richard Henderson  <rth@redhat.com>
5521         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5522         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5523         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5524         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5525         rearrange for better packing.
5526         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5527         (lookup_cfa_1): Remove inline marker.
5528         (cfa_equal_p): Split out of ...
5529         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5530         (build_cfa_loc): Handle !cfa->indirect.
5531         (frame_pointer_cfa_offset): New.
5532         (dbx_reg_number): Assert register elimination performed; do
5533         leaf register remapping.
5534         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5535         (eliminate_reg_to_offset): New.
5536         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5537         for verifiably local stack frame addresses; re-base to CFA.
5538         (mem_loc_descriptor): Remove can_use_fbreg argument.
5539         (concat_loc_descriptor, loc_descriptor): Likewise.
5540         (containing_function_has_frame_base): Remove.
5541         (rtl_for_decl_location): Don't do register elimination or
5542         leaf register remapping here.
5543         (secname_for_decl): Split out from ..
5544         (add_location_or_const_value_attribute): ... here.
5545         (convert_cfa_to_loc_list): New.
5546         (compute_frame_pointer_to_cfa_displacement): New.
5547         (gen_subprogram_die): Use them.
5548         * tree.h (frame_base_decl): Remove.
5549         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5550         (prologue_stack_adjust): Remove.
5551         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5552         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5553         (set_frame_base_location): Remove.
5554         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5555         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5556         (vt_add_function_parameters): Don't eliminate_regs.
5557         (vt_initialize): Don't create frame_base_decl.
5559 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5561         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5562         version of GNU binutils for 4.x and later.
5564 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5566         * ggc-page.c (ggc_push_context): Remove.
5567         (ggc_pop_context): Likewise.
5568         * ggc.h (ggc_push_context): Remove.
5569         (ggc_pop_context): Likewise.
5571 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5573         PR target/8973
5574         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5575         returning from an interrupt handler.
5577 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5579         PR target/8972
5580         * config/arc/arc.c (output_shift): Add check for loop count when
5581         optimizing.
5583 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5585         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5586         form manually.
5587         (abs_replacement): Likewise.
5588         (pass_phiopt): Remove TODO_update_ssa.
5590 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5592         PR c/23075
5593         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5594         if "return with no value, in function returning non-void" warning
5595         has been issued.
5596         * tree-cfg.c (execute_warn_function_return): Don't look at
5597         RETURN_EXPRs with TREE_NO_WARNING set.
5599         PR target/22362
5600         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5601         for internal functions doesn't use registers used by global registers
5602         variables.  Use fewer register parameters if there are global register
5603         variables.
5605 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5606             Eric Botcazou  <ebotcazou@adacore.com>
5608         PR middle-end/14997
5609         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5610         when we would be extracting outside its bit span (bitpos+bitsize
5611         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5612         Ada unchecked conversions.
5614 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5616         * tree-ssa-pre.c (try_look_through_load): New function.
5617         (compute_avail): Use it to try to look through loads for some
5618         more useful expressions.
5620 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5622         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5623         condition for detecting cases like (a&a) and (a^a).
5625 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5627         * common.opt: Add option ftree-vect-loop-version.
5628         * params.def: Add --param vect-max-version-checks.
5629         * doc/invoke.texi: Document ftree-vect-loop-version and
5630         --param vect-max-version-checks.
5631         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5632         may_misalign_stmts and defines for accessors.
5633         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5634         LOOP_VINFO_MAY_MISALIGN_STMTS.
5635         (destroy_loop_vec_info): VEC_free for
5636         LOOP_VINFO_MAY_MISALIGN_STMTS.
5637         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5638         Update documentation.
5639         (vect_update_misalignment_for_peel): New.
5640         (vect_enhance_data_refs_alignment): Update to choose loop
5641         peeling or loop versioning if appropriate for the (potentially)
5642         unaligned data references in the loop.
5643         (vect_analyze_data_refs_alignment): Remove call to
5644         vect_enhance_data_refs_alignment so the checks can be done
5645         earlier.
5646         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5647         and move up call to vect_analyze_data_refs_alignment.
5648         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5649         (vect_transform_loop): Add call to loop_version.
5651 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5653         PR rtl-optimization/23098
5654         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5655         * simplify-rtx.c (constant_pool_reference_p): New function.
5656         * rtl.h (constant_pool_reference_p): New prototype.
5657         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5658         constant_pool_reference_p in condition and
5659         avoid_constant_pool_reference in preparation statements.
5661 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5663         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5664         STRICT_LOW_PART SETs.
5666 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5668         PR middle-end/21460
5669         * except.c (sjlj_emit_function_enter): Find the function begin
5670         note even when it's not in first basic block.
5672 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5674         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5675         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5676         * aclocal.m4: Regenerate.
5678 2005-09-05  DJ Delorie  <dj@redhat.com>
5680         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5681         of macro.
5683 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5685         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5686         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5687         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5688         Follow spelling conventions.
5689         * doc/invoke.texi: Follow spelling conventions.
5691 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5693         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5694         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5695         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5697 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5699         PR target/23683
5700         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5701         (output_stack_adjust): Use gen_tmp_stack_mem.
5702         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5703         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5704         (sh_get_pr_initial_val): Likewise.
5705         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5706         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5707         * sh.md (divsi_inv_m0): Use gen_const_mem.
5708         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5709         (movdf_i4+1): Use gen_tmp_stack_mem.
5710         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5711         (fpu_switch+2): Likewise.
5712         (movv4sf_i, movv16sf_i): Use adjust_address.
5713         (symGOT_load): Set MEM_NOTRAP_P bit.
5715 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5717         PR target/23721
5718         * pa.c (emit_move_sequence): Fix typo in last change.
5720 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5722         PR rtl-optimization/23454
5723         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5724         is true.
5726 2005-09-03  Richard Henderson  <rth@redhat.com>
5727             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5729         PR middle-end/23671
5730         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5731         gen_rtx_MEM.
5733 2005-09-02  Nicolas Pitre <nico@cam.org>
5735         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5736         to bit_count to 32 bits.
5738 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5740         PR c++/23167
5741         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5742         generating synthetic loads from volatile lvalues.
5744 005-09-02  Nick Clifton  <nickc@redhat.com>
5746         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5747         __ctzhi2, __clzhi2): New functions.
5749 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5751         PR middle-end/23547
5752         * tree-nested.c (struct var_map_elt): Mark with GTY.
5753         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5754         var_map_elt.
5755         (lookup_field_for_decl): Allocate new element in GC memory.
5756         (lookup_tramp_for_decl): Likewise.
5757         (convert_nl_goto_reference): Likewise
5758         (create_nesting_tree): Allocate info in GC memory. Likewise for
5759         info->var_map.
5760         (free_nesting_tree): Free with ggc_free instead of free.
5761         (root): New static variable.
5762         (lower_nested_functions): Remove root as local variable.  And zero out
5763         root at the end of the function.
5765 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5767         PR rtl-optimization/20365
5768         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5769         to short.  New member ix.
5770         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5771         (simplify_plus_minus): Initialize ix members before calling qsort.
5773 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5775         PR tree-optimization/23626
5776         * tree-cfg.c (replace_uses_by): Clean up eh info.
5778 2005-09-01  DJ Delorie  <dj@redhat.com>
5780         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5781         fprintf.
5783 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5785         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5786         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5787         gen_rtx_MEM.
5789 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5791         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5792         do not issue warning for a variable definition following
5793         a declaration.
5795 2005-09-01  Richard Henderson  <rth@redhat.com>
5797         PR 23668
5798         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5799         conversion to CONST_VECTOR.
5801 2005-09-01  Richard Henderson  <rth@redhat.com>
5803         PR 23676
5804         * reload1.c (reload_as_needed): Check !CALL_P before calling
5805         fixup_eh_region_note.
5806         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5808 2005-09-01  DJ Delorie  <dj@redhat.com>
5810         * varasm.c (output_constant): Let the target resolve
5811         conversions of addresses to non-default pointer sizes.
5813 2005-09-01  Nicolas Pitre <nico@cam.org>
5815         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5816         to alow matching ARM pre-indexed addressing mode.
5817         (arm_override_options): Remove now irrelevant comment.
5819 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5821         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5822         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5823         * config/i386/vxworks.h:  Likewise.
5824         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5825         * config/i386/vxworksae.h:  Likewise.
5827 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5829         PR tree-optimization/23410
5830         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5831         sequence is not wrapping during the first step.
5833 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5835         PR debug/7241
5836         * dwarf2out.c (base_type_die): Compare char_type_node with
5837         TYPE_MAIN_VARIANT (type), not type.
5839 2005-09-01  Richard Guenther  <rguenther@suse.de>
5841         PR tree-optimization/15366
5842         * common.opt: Add -finline-functions-called-once.
5843         Put -fearly-inlining in alphabetically ordered place.
5844         * doc/invoke.texi: Document new option.
5845         * ipa-inline.c (cgraph_decide_inlining): Honour
5846         flag_inline_functions_called_once.
5848 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5850         PR rtl-optimization/23478
5851         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5852         (alloc_qty): Initialize it.
5853         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5854         (combine_regs): Combine also n_throwing_calls_crossed fields.
5855         (find_free_reg): Don't attempt to caller-save pseudos crossing
5856         calls that might throw.
5857         * global.c (struct allocno): Add throwing_calls_crossed field.
5858         (global_alloc): Revert 2005-08-22 change.  Initialize
5859         throwing_calls_crossed.
5860         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5861         might throw.
5863 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5865         PR target/23649
5866         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5867         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5868         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5869         (and64_2_operand): Tweak to use predicate.
5870         (and_operand): Adjust for mask_operand changes.
5871         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5872         (print_operand): Likewise.
5873         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5874         (mask64_1or2_operand): Delete.
5875         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5876         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5877         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5878         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5879         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5880         (rotldi3_internal4): Likewise.
5881         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5882         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5883         (ashldi3_internal7): Likewise.
5884         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5885         (ashldi3_internal, ashldi3_internal9 split): Likewise.
5886         (anddi3 split): Don't match mask64_operand.
5887         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
5888         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
5889         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5890         't' splitter predicate.
5891         (movdi_internal64 + 2): Revert 2005-06-11 change.
5893 2005-08-31  DJ Delorie  <dj@redhat.com>
5895         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5896         (m32c_asm_integer): Add support for 32 bit pointers.
5898 2005-08-31  Richard Henderson  <rth@redhat.com>
5900         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5901         component-like references for setting MEM_NOTRAP_P.
5903         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5904         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5906 2005-08-31  Richard Henderson  <rth@redhat.com>
5908         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5909         into a pseudo before applying gen_lowpart.
5911 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
5913         * doc/install.texi (Specific): Update cctools version required
5914         for full functionality.
5915         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5916         linkers as -macosx_version_min.
5918 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
5920         PR target/21255
5921         * sh.c (print_operand, %R and %S): Add handling of floating point
5922         registers, memory, constants and invalid operands.
5924 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
5926         * ipa-pure-const.c: Change dump name.
5928 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5930         PR target/23570
5931         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5932         to "reg_or_0_operand".
5933         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5935 2005-08-31  Dale Johannesen  <dalej@apple.com>
5937         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
5938         loops that count down.
5940 2005-08-31  Richard Henderson  <rth@redhat.com>
5942         PR rtl-opt/23601
5943         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5944         (fixup_eh_region_note): New.
5945         (reload_as_needed): Call it.
5946         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5947         don't call find_many_sub_basic_blocks; call verify_flow_info.
5948         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5949         (keep_stack_depressed): Likewise.
5950         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5952 2005-08-31  Richard Henderson  <rth@redhat.com>
5954         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5955         fp return matching.
5957 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
5959         * expr.c (expand_expr_real_1): Compare size of address
5960         mode to target's address mode size in deciding expansion of
5961         the constant address.
5963 2005-08-31  Richard Guenther  <rguenther@suse.de>
5965         PR middle-end/23477
5966         * expr.c (all_zeros_p): New function.
5967         (expand_expr_real_1): Handle the case of an all-zero
5968         non-addressable constructor separately.
5970 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
5972         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5973         arguments, adjust all callers.
5974         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5976 2005-08-30  Richard Henderson  <rth@redhat.com>
5978         PR target/23630
5979         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5980         whenever the mode sizes match.
5982 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
5984         * calls.c (load_register_parameters): Fix comment typo.
5985         * expr.c (emit_push_insn): Comment formatting.
5987 2005-08-30  Ian Lance Taylor  <ian@airs.com>
5989         * config/i386/x-cygwin (host-cygwin): Change dependency from
5990         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5992 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
5994         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5995         parts of 'vals'.
5997 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
5999         PR middle-end/23408
6000         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6001         call to ggc_collect.
6003 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6005         PR bootstrap/21268
6006         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6007         beginning.  Remove $(INCLUDES) from all the rules, if following
6008         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6010 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6012         PR middle-end/23484
6013         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6014         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6015         not constant, but maxlen is, don't set len to maxlen, rather
6016         set maxlen to len if len is a constant.
6018 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6020         PR tree-optimization/23475
6021         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6022         and counts.
6024 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6026         Fix PR middle-end/22455
6028         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6029         Checksum only the parts of the tree that exist for the tree code.
6031 2005-08-28  Dale Johannesen  <dalej@apple.com>
6033         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6035 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6037         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6039 2005-08-28  Richard Henderson  <rth@redhat.com>
6041         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6042         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6043         of char_type_node.
6045 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6047         PR ada/23593
6048         * builtins.c (get_memory_rtx): Don't strip nops
6049         in between COMPONENT_REFs.
6051 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6053         PR middle-end/23463
6054         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6055         types.
6056         (gimplify_modify_expr): Check for zero sized types and gimplify the
6057         rhs and lhs as statements.
6059 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6061         PR libgcj/23508
6062         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6063         state for return address column of signal frames.
6065 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6067         PR target/23539
6068         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6069         bytes >= 2 not bytes == 2.
6070         (expand_block_move): Same.
6072 2005-08-27  Richard Guenther  <rguenther@suse.de>
6074         PR target/23575
6075         * config/i386/sse.md (sse2_movsd): Add missing closing
6076         braces.
6078 2005-08-27  Paul Brook  <paul@codesourcery.com>
6080         * genrecog.c (enum decision_type): Add DT_num_insns.
6081         (struct decision_test): Add u.num_insns.
6082         (add_to_sequence): Add DT_num_insns test.
6083         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6084         (write_cond, debug_decision_2): Ditto.
6085         (change_state): Assume peep2_next_insn never fails.
6086         Remove "afterward" argument.
6087         (write afterward, write_tree): Update to match.
6088         * recog.c (peep2_current_count): New variable.
6089         (peep2_next_insn): Check it.
6090         (peephole2_optimize): Set peep2_current_count.
6091         * recog.h (peep2_current_count): Declare.
6093 2005-08-26  Josh Conner  <jconner@apple.com>
6095         PR middle-end/23584
6096         * ipa-pure-const.c (check_tree): Check for volatile-ness
6097         when considering a dereference.
6099 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6101         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6103 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6105         PR rtl-optimization/23561
6106         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6107         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6108         at most LEN bytes long memory fits into the field.
6109         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6110         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6111         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6113 2005-08-26  Richard Henderson  <rth@redhat.com>
6115         PR rtl-opt/23560
6116         * loop.c (biased_biv_may_wrap_p): New.
6117         (maybe_eliminate_biv_1): Use it to suppress non-equality
6118         comparison transformations.  Delete disabled code.
6120 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6122         * combine.c (make_extraction): Avoid reference outside object.
6124 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6126         * stor-layout.c (finalize_type_size): Restore behaviour for
6127         non-aggregate types to the status quo ante of the patch for
6128         pr 23467.  Document why it matters.
6130 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6132         PR c/23506
6133         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6134         array by one element, initialize the BT_LAST element with NULL.
6136 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6138         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6139         optimizing for size.
6140         (plus_eqsi): Same.
6141         (compare_plus_eqsi): Same.
6142         (plus_eqsi_compare): Same.
6143         (neg_eq0<mode>): Same.
6144         (neg_eq<mode>): Same.
6146         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6147         PROCESSOR_POWER4.
6149 2005-08-26  Nick Clifton  <nickc@redhat.com>
6151         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6152         TARGET_EP is not defined.
6153         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6154         TARGET_EP is enabled.
6155         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6156         * config/v850/v850.md (save_all_interrupt): Only use the EP
6157         register if TARGET_EP is defined.
6158         (restore_all_interrupt): Likewise.
6159         * config/v850/lib1funcs.asm: Update functions so that the EP
6160         register is only used if __EP__ is defined.
6162 2005-08-26  David Ung  <davidu@mips.com>
6164         * config/mips/mips.c (mips_expand_prologue): Handle case when
6165         generating for MIPS16 and the outgoing argument area is more than
6166         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6167         add instruction.
6169 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6171         * config/crx/crx.md: Make doloop_end pattern usage controllable
6172         via mloop-nesting=<max-nesting> command line switch. Make sure
6173         the combiner cannot use doloop_end_<mode> in an illegal way.
6174         * config/crx/crx.c: Use regs up to r6 for argument passing.
6175         Refine crx_address_cost (non cst4 displacements are expensive).
6176         * config/crx/crx.opt: Add switch for mloop-nesting=.
6178 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6180         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6181         (UNSPEC_MVST): New constant.
6183 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6185         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6186         Reject operands containing eliminable registers.
6187         * testsuite/gcc.dg/20050825-1.c: New testcase.
6189 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6190             Jan Hubicka  <jh@suse.cz>
6192         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6194 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6196         PR tree-optimization/23546
6197         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6198         and REAL_CST nodes.
6200 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6202         * params.def (PARAM_MIN_SPEC_PROB): New.
6203         * sched-rgn.c (MIN_PROBABILITY): Delete.
6204         (compute_trg_info): Convert to PARAM_VALUE.
6205         * doc/invoke.texi (param): Document min-spec-prob.
6207 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6209         * config/darwin.h: define __PIC__
6210         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6211         TARGET_OS_CPP_BUILTINS macro.
6213 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6215         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6216         yesterday.
6218 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6220         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6221         to duplicate_block.
6222         * cfghooks.c (duplicate_block): Added position where to place
6223         new block as argument.
6224         * cfghooks.h (duplicate_block): Declaration changed.
6225         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6226         duplicate_block.
6227         * cfglayout.h (copy_bbs): Declaration changed.
6228         * cfgloop.h (loop_version): Declaration changed.
6229         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6230         position to copy_bbs.
6231         (loop_version): Pass position to duplicate_loop_to_header_edge.
6232         Add place_after argument and position new blocks according to
6233         it.
6234         * modulo-sched.c (sms_schedule): Pass place_after argument
6235         to loop_version.
6236         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6237         * tree-cfg.c (split_edge_bb_loc): New function.
6238         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6239         to determine position of new blocks.
6240         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6241         to loop_version.
6242         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6243         argument to duplicate_block.
6244         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6245         Pass position to copy_bbs.
6247 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6249         * fold-const.c (ptr_difference_const): Use
6250         cst_and_fits_in_hwi instead of host_integerp.
6252 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6254         * config/darwin.c (gen_pic_offset): New.
6255         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6256         Use it.
6258 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6260         PR tree-optimization/23486
6261         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6263 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6265         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6266         remove use_collect2.
6267         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6269         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6270         configuration files to override the default value.
6272         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6273         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6274         * config/vx-common.h:  New file, split out from...
6275         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6276         * config/vxworksae.h:  New file, for VxWorks AE.
6277         * config/vxworks.opt:  New file.
6278         * config/vxlib.c:  Update for VxWorks 6.
6280         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6281         other MULTILIB_* variables appropriately.
6282         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6283         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6284         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6285         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6287 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6289         PR target/20799
6290         * config/darwin.c (machopic_select_section): Remove the hack to
6291         mark "::operator new" and "::operator delete" for coalescing
6292         even though they are not weak.
6294 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6296         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6297         * configure: Regenerate.
6299 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6301         PR middle-end/23517
6302         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6303         between vectors.
6304         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6305         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6306         Likewise.
6308 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6310         * config/rs6000/predicates.md (equality_operator): New.
6311         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6312         comparison with a large constant.
6314 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6316         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6318 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6320         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6321         registers is even, and we have a hardware double precision fp,
6322         align the buffer.
6323         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6324         size of current argument when checking if argument was passed in
6325         registers.
6327         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6329         PR middle-end/23467
6330         * stor-layout.c (finalize_type_size): Dont override
6331         existing alignment with a smaller alignment from the mode.
6333 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6335         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6336         * lambda.h (lambda_vector_lexico_pos): ... here.
6337         * tree-data-ref.c (build_classic_dist_vector): Return false when
6338         the distance vector is lexicographically negative.
6340 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6342         PR tree-optimization/23511
6343         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6344         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6346 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6348         PR tree-optimization/22043
6349         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6350         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6351         If ALLOW_FLEXARR, handle types ending with flexible array member.
6352         Pass false as second argument to recursive count_type_elements calls.
6353         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6354         argument to count_type_elements call.
6355         * tree-sra.c (decide_block_copy): Likewise.
6356         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6357         for a constant-sized object, set cleared as well.  Pass true as
6358         second argument to count_type_elements call.
6360 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6362         PR target/21571
6363         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6364         from legitimate_small_data_p, and make global.  Update use.
6365         Remove forward declaration.
6366         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6367         Declare.
6368         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6370 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6372         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6373         of scratch intermediates.
6374         (eq<mode>_compare): Same.
6375         (neg_eq0<mode>): New.
6376         (neg_eq<mode>): Convert to define_insn_and_split.
6378 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6380         PR target/23070
6381         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6382         stdarg functions, set/clear the fp marker even when no variable
6383         args are passed.
6384         * config/rs6000/sysv4.opt (mprototype): Describe.
6386 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6388         PR rtl-optimization/23478
6389         * regs.h (reg_info): Add throw_calls_crossed.
6390         (REG_N_THROWING_CALLS_CROSSED): Define.
6391         * flow.c (allocate_reg_life_data): Initialize
6392         REG_N_THROWING_CALLS_CROSSED.
6393         (propagate_one_insn, attempt_auto_inc): Update
6394         REG_N_THROWING_CALLS_CROSSED.
6395         * global.c (global_alloc): Don't allocate pseudos across
6396         calls that may throw.
6398 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6400         PR c/18715
6401         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6402         value is inbetween the range if we did not find an exact match.
6404 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6406         * doc/invoke.texi (Option Summary): Add ms1 options.
6407         * doc/extend.texi: Document interrupt handler attribute for ms1.
6408         * doc/md.texi: Document ms1 constraints.
6409         * config.gcc: Add ms1-*-elf.
6410         * config/ms1/ms1.h: New.
6411         * config/ms1/ms1.c: New.
6412         * config/ms1/ms1.md: New.
6413         * config/ms1/ms1-protos.h: New.
6414         * config/ms1/ABI.txt: New.
6415         * config/ms1/crti.asm: New.
6416         * config/ms1/crtn.asm: New.
6417         * config/ms1/lib2extra-funcs.c: New.
6418         * config/ms1/t-ms1: New.
6419         * config/ms1/ms1.opt: New.
6421 2005-08-22 Ira Rosen <irar@il.ibm.com>
6423         * config/rs6000/altivec.md (xorv4sf3): New.
6424         (negv4sf2, neg<mode>2): Likewise.
6426 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6428         PR target/23485
6429         * config/ia64/ia64.md (divsi3): Check divide by zero.
6430         (udivsi3): Likewise.
6431         (divdi3): Likewise.
6432         (udivdi3): Likewise.
6434 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6436         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6437         up to elem_bitsize bits, not max_bitsize.
6439 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6441         PR tree-optimization/23433
6442         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6443         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6445 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6447         PR tree-optimization/23434
6448         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6449         the iteration bound is not an INTEGER_CST.
6451 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6453         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6454         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6455         NULL if need_epilog_adjust is false.
6456         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6457         Case 3 always peels first itration, not just for PLUS case, and no need
6458         to use scalar_initial_def here. Create an epilog adjustment only if
6459         scalar_initial_def is not NULL.
6461         (vectorizable_reduction): Remove assert.
6463 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6465         PR target/23485
6466         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6467         (__moddi3): Likewise.
6468         (__udivdi3): Likewise.
6469         (__umoddi3): Likewise.
6470         (__divsi3): Likewise.
6471         (__modsi3): Likewise.
6472         (__udivsi3): Likewise.
6473         (__umodsi3): Likewise.
6475 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6477         * tree-pass.h (TDF_GRAPH): Define.
6478         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6479         * passes.c (finish_optimization_passes): Only call
6480         finish_graph_dump_file if TDF_GRAPH is set.
6481         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6482         NULL.  Set TDF_GRAPH bit.
6483         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6485 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6487         * arm.h (arm_stack_offsets): Add locals_base field.
6488         * arm.c (arm_get_frame_offsets): Compute it.
6489         (thumb_compute_initial_elimination offset): Make the Thumb frame
6490         pointer point to the base of the local variables.
6491         (thumb_expand_prologue): Update accordingly.
6492         (thumb_expand_epilogue): Likewise.
6494         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6495         mode of clobbered scratch to DImode.  Handle a case that's known to
6496         need this.
6498 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6500         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6501         (gt0<mode>_compare): Delete.
6502         (neg_gt0<mode>): Delete.
6504 2005-08-19  Eric Christopher  <echristo@apple.com>
6506         * optabs.h: Change CTI_ to COI_.
6507         * optabs.c: Ditto.
6509 2005-08-19  James E Wilson  <wilson@specifix.com>
6511         * builtins.c (expand_builtin_return_addr): Set
6512         current_function_accesses_prior_frames when count != 0.  Use
6513         frame_pointer_rtx when count == 0.
6514         * function.h (struct function): Add accesses_prior_frames field.
6515         (current_function_accesses_prior_frames): Define.
6516         * reload1.c (init_elim_table): Check
6517         current_function_accesses_prior_frames.
6518         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6520 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6522         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6523         indicator.  Return true if the flowgraph changed during
6524         cleanup.
6526 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6528         PR 23476
6529         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6530         conditional expression before testing its value.
6532 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6534         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6536 2005-08-19  Devang Patel  <dpatel@apple.com>
6538         PR tree-optimization/23048
6539         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6540         third parameter. Check whether latch is dominated by exit
6541         block or not.
6542         (if_convertible_loop_p): Supply exit block itself to
6543         if_convertible_bb_p.
6545 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6547         PR target/23473
6548         * arm.md (arm_load_pic_register): Change argument to the mask of
6549         saved registers.  Call thumb_find_work_register if we need a
6550         scratch register on Thumb.
6551         (arm_expand_prologue): Pass empty register set to
6552         arm_load_pic_register.
6553         (thumb_expand_prologue): Pass live_regs_mask directly to
6554         arm_load_pic_register.
6555         * arm-protos.h (arm_load_pic_register): Update prototype.
6557 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6559         * sh.c (find_sole_member): New function.
6560         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6561         if the record's alignment is larger than the size of its only member.
6563 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6565         PR target/23436
6566         * arm.c (thumb_legitimize_reload_address): New function.
6567         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6568         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6570 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6572         * config/crx/crx.c: Implement crx_decompose_address. Reject
6573         symbolic displacements since CRX register relative adressing
6574         mode can't handle unsigned 32-bit values as displacements.
6575         * config/crx/crx.h: Simplify definitions, remove redundant
6576         parenthesis and obsolete macros.
6577         * config/crx/crx.opt: Add new switch for debugging addresses.
6578         * config/crx/crx-protos.h: Add new declarations for above.
6580 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6582         PR middle-end/20624
6583         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6584         looking past it.
6586 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6588         * collect2.c (dup2): Delete.
6589         * configure.ac: Don't check for dup2.
6591         * config.in, configure: Regenerate.
6593 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6595         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6596         record with the type of its only member.
6598 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6600         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6601         define_insn_and_split.
6602         (plus_ltu<mode>_compare): Same.
6603         (gtu<mode>_compare): Same.
6604         (plus_gtu<mode>_compare): Same.
6606 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6608         PR tree-optimization/22228
6609         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6610         todo_flags_start.
6611         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6612         are recorded in vect_vnames_to_rename for renaming.
6613         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6614         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6615         in vect_vnames_to_rename.
6616         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6617         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6619 2005-08-18  Jan Hubicka  <jh@suse.cz>
6621         PR c++/22034
6622         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6623         info only for local statics, not for member variables.
6625 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6627         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6629 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6631         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6633 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6635         PR middle-end/16045
6636         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6638 2005-08-17  James E Wilson  <wilson@specifix.com>
6640         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6641         array size check.
6643 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6645         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6646         (leu<mode>_compare): Same.
6647         (plus_leu<mode>): Same.
6648         (neg_leu<mode>): Same.
6649         (and_neg_leu<mode): Same.
6650         (ltu<mode>_compare): Same.
6651         (plus_ltu<mode>): Same.
6652         (geu<mode>): Same.
6653         (geu<mode>_compare): Same.
6654         (plus_geu<mode>): Same.
6655         (neg_geu<mode>): Same.
6656         (and_neg_geu<mode>): Same.
6657         (plus_gt<mode>): Same.
6658         (gtu<mode>_compare): Same.
6659         (plus_gtu<mode>): Same.
6661 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6663         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6664         Move call_table_data to end.  Delete spurious .text.
6665         (callt_save_all_interrupt): Fix comment typo.
6667 2005-08-17  James E Wilson  <wilson@specifix.com>
6668             Kevin Winchester  <winchester@amirix.com>
6670         PR target/21684
6671         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6673 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6675         PR target/23268
6676         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6677         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6679 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6681         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6682         record with the type of its only member if the modes don't match.
6684         * varasm.c (decode_reg_name): Skip empty additional register names.
6686 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6688         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6689         lsm_tmp_name_length): New.
6690         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6691         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6693 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6694             Andreas Krebbel  <krebbel1@de.ibm.com>
6696         * config.gcc: Added z9-109 switch.
6697         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6698         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6699         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6700         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6701         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6702         for "z9_109" cpu attribute.
6703         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6704         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6705         (s390_handle_arch_option): Added z9-109 switch.
6706         (override_options): Set respective cost function for z9-109.
6707         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6708         (legitimate_reload_constant_p): Accept extended immediates.
6709         (print_operand): Three new output modifiers added: k, m and o.
6710         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6711         (s390_output_mi_thunk): Use extended immediate when possible.
6712         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6713         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6714         (CONSTRAINT_LEN): Added length of O constraint.
6715         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6716         * config/s390/s390.md ("cpu"): New value z9_109 added.
6717         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6718         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6719         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6720         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6721         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6722         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6723         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6724         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6725         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6726         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6727         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6728         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6729         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6730         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6731         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6732         immediates.
6733         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6734         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6735         insns for TARGET_EXTIMM.
6737 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6739         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6741 2005-08-17  Nick Clifton  <nickc@redhat.com>
6743         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6744         Call default_encode_section_info.
6746 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6748         PR tree-optimization/21574
6749         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6750         constant, return CONSTANT.
6751         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6752         (ccp_fold, visit_assignment): Likewise.
6753         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6755 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6757         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6758         fold_buildN instead of buildN then fold_initializer or fold.
6759         (build_unary_op): Likewise.
6760         (build_binary_op): Likewise.
6761         * fold-const.c (fold_initializer): Remove.
6762         (fold_build1_initializer): New function.
6763         (fold_build2_initializer): New function.
6764         (fold_build3_initializer): New function.
6765         * tree.h (fold_initializer): Remove.
6766         (fold_build1_initializer): New function.
6767         (fold_build2_initializer): New function.
6768         (fold_build3_initializer): New function.
6770 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6772         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6773         (try_move_mult_to_index): Call fold_build2 instead of build2.
6774         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6775         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6776         fold_binary_to_constant.
6777         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6778         fold (build.
6779         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6780         check if A == gcd (A, B).  Remove TYPE argument.
6781         (analyze_offset) Use fold_build2 instead of fold (build.
6782         (create_data_ref): Likewise.
6783         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6784         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6785         then fold.
6787 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6789         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6790         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6792 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6794         PR tree-opt/23402
6795         * gimplify.c (zero_sized_type): New function.
6796         (gimplify_modify_expr_rhs): If we have a zero sized type,
6797         replace the statement with an empty statement.
6799 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6801         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6802         fxsave.
6804 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6806         * doc/tm.texi (Label Output): Correct typo.
6808 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6810         PR target/23376
6811         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6812         force_operand will work later on using have_insn_for.
6814 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6816         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6818 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6820         PR c++/23337
6821         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6822         vector type, don't try to construct it element by element.  Add an
6823         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6825 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6827         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6829 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6831         * doc/invoke.texi (Precompiled Headers): Document some more options
6832         which are known to be safe.
6834 2005-08-16  James E Wilson  <wilson@specifix.com>
6836         PR tree-optimization/21105
6837         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6838         TREE_OVERFLOW check.
6840 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6842         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6843         (neg_ltu<mode>): Same.
6844         (gtu<mode>): Same.
6845         (neg_gtu<mode>): Same.
6847 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6849         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6850         (fold_builtin_isdigit): Use fold_buildN.
6851         (build_function_call_expr): Likewise.
6852         * c-typeck.c (c_finish_loop): Likewise.
6854 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6855             Richard Shann <rshann@superh.com>
6857         PR middle-end/20396:
6858         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6860 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6862         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6864 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6866         PR target/23355
6867         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6868         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6869         must be saved.
6871 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6873         PR middle-end/23369
6874         * fold-const.c (build_range_check): Disable optimization for function
6875         pointer expressions on targets that require function pointer
6876         canonicalization.
6878 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
6880         * simplify-rtx.c (simplify_const_relational_operation): When
6881         extracting arguments of a COMPARE, recompute the mode as well.
6883 2005-08-15  Ian Lance Taylor  <ian@airs.com>
6885         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6887 2005-08-15  DJ Delorie  <dj@redhat.com>
6889         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6890         the stack.
6891         (movsi_splittable): Allow, but split, moves to the stack.
6892         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6893         stack.
6895 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6897         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6898         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6899         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6901         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6902         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6903         Delete HOST_PTR_PRINTF.
6905         * configure, config.in: Regenerate.
6907 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
6909         * config/rs6000/rs6000.md (QHSI): New mode macro.
6910         (wd): Extend mode attr for QImode and HImode
6911         (dbits): New mode attr.
6912         (zero_extend<mode>di2): Convert to mode macro.
6914 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
6916         PR target/21841
6917         * doc/invoke.texi (-mgnu-ld): Update description.
6918         (-mhp-ld): Ditto.
6920 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6922         PR 23391
6923         * Makefile.in (tree-chrec.o): Depends on real.h.
6924         * tree-chrec.c: Include real.h.
6925         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6926         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6927         * tree-scalar-evolution.c (add_to_evolution_1,
6928         interpret_rhs_modify_expr): Ditto.
6930 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6932         PR 23386
6933         * tree-data-ref.c (estimate_niter_from_size_of_data): When
6934         step is negative compute the estimation from init downwards to zero.
6936 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
6938         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6940 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6942         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6943         constraint.
6944         (legitimate_reload_constant_p): Fix handling of lliXX operands.
6945         Accept double-word constants that can be split.
6946         * config/s390/s390.md ("movti"): Use 'P' constraint.
6947         ("*movdi_31", "*movdf_31"): Likewise.
6949 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
6951         Fix PR tree-optimization/22615
6953         * tree-ssa-structalias.c (solution_set_add): Handle
6954         first_vi_for_offset returning NULL.
6955         (do_da_constraint): Ditto.
6956         (do_sd_constraint): Ditto.
6957         (do_ds_constraint): Ditto
6958         (find_func_aliases): Ditto.
6959         (build_constraint_graph): RHS is allowed be ANYTHING.
6960         (first_vi_for_offset): Return NULL if we couldn't find anything at
6961         the offset.
6963 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6965         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6966         over memory as first operand.
6968 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
6970         PR target/23360
6971         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6972         available for setting it.
6974 2005-08-14  Ira Rosen  <irar@il.ibm.com>
6976         PR tree-optimization/23320
6977         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6978         data-refs' types instead of base object nullness. Add check for
6979         pointer type data-refs before first location comparison. Remove
6980         assert.
6982 2005-08-14  Andreas Schwab  <schwab@suse.de>
6984         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6986 2005-08-13  James E Wilson  <wilson@specifix.com>
6988         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6989         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6990         -fstack-protector-all, --param ssp-buffer-size): Document.
6991         (-Wvariadic-macros): Alphabetize.
6992         (-fsched-stalled-insns-dep): Add missing 'f'.
6994         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6995         macros.
6997 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
6999         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7000         or indirect address operand.
7001         (EXTRA_ADDRESS_CONSTRAINT): New.
7002         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7004 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7006         PR tree-optimization/22236
7007         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7008         successors and predecessors.
7009         * tree-chrec.c (chrec_convert): Before converting, check that
7010         sequences don't wrap.
7011         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7012         (analyze_array): Extern.
7013         (find_data_references_in_loop): Remove call to
7014         compute_estimated_nb_iterations.
7015         * tree-data-ref.h (analyze_array): Declared.
7016         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7017         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7018         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7019         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7020         condition.
7021         * tree-ssa-loop-ivcanon.c: Fix documentation.
7022         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7023         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7024         (infer_loop_bounds_from_undefined): New.
7025         (estimate_numbers_of_iterations_loop): Use
7026         infer_loop_bounds_from_undefined.
7027         (used_in_pointer_arithmetic_p): New.
7028         (scev_probably_wraps_p): Pass an extra parameter.  Call
7029         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7030         (convert_step): Fix documentation.
7031         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7032         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7033         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7034         scev_probably_wraps_p.
7036 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7038         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7039         (s390_register_info): Ignore clobbered_regs information for fixed
7040         registers, and only fixed registers.
7041         (s390_init_frame_layout): Remove redundant call.
7043 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7045         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7046         description of -Wold-style-casts.
7048 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7049             Jakub Jelinek  <jakub@redhat.com>
7051         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7052         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7053         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7054         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7055         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7056         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7057         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7058         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7059         ("stack_protect_set", "stack_protect_test"): New expanders.
7060         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7061         "stack_protect_testdi"): New insn definitions.
7063 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7065         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7067 2005-08-12  Paul Brook  <paul@codesourcery.com>
7069         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7071 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7073         * config/s390/predicates.md (setmem_operand): New predicate.
7074         (shift_count_operand): Accept ANDs with special constants as
7075         operand.
7076         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7077         with special constants.
7078         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7079         shift_count_operand with setmem_operand.
7081 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7083         * config/s390/s390.c (s390_extract_part, s390_single_part):
7084         Type cast added.
7085         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7086         (s390_output_mi_thunk): Don't use lg on 31 bit.
7087         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7088         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7090 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7092         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7093         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7094         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7095         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7096         with one of the new macros.
7098 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7100         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7101         Don't set save_return_addr_p.
7102         (s390_register_info): Make clobbered_regs not depending on
7103         save_return_addr_p.
7105 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7107         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7108         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7110 2005-08-11  James E. Wilson  <wilson@specifix.com>
7112         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7114 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7116         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7117         locations gathered by var-tracking in single entry loc_list
7118         over loc_descriptor_from_tree.
7120         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7121         pass it down to loc_descriptor.
7122         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7123         (containing_function_has_frame_base): Move earlier in the file.
7124         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7125         instead of always assuming fbreg can't be used.
7127 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7129         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7130         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7131         Accept address wrapped in AND for Altivec.
7132         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7133         Strip AND wrapping offset address for Altivec.
7135 2005-08-11  Richard Henderson  <rth@redhat.com>
7137         PR middle-end/23312
7138         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7139         before using TYPE_IS_SIZETYPE.
7141 2005-08-11  Richard Henderson  <rth@redhat.com>
7143         PR target/22225
7144         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7145         insn types not present on ev4.
7146         (alphaev5_insn_pipe): Similarly.
7148 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7150         PR target/23250
7151         * arm.c (arm_override_options): If the user has selected callee-super-
7152         interworking, then enable normal interworking.
7154 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7156         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7157         redefinition.
7159 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7161         * doc/rtl.texi: Fix two typos.
7163 2005-08-11  Richard Guenther  <rguenther@suse.de>
7165         PR target/23289
7166         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7167         cases where we call to/from functions returning void.
7169 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7171         PR c++/23225
7172         * tree.c (build_pointer_type_for_mode): Robustify.
7174 2005-08-10  James E Wilson  <wilson@specifix.com>
7176         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7177         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7179         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7180         "cum->".
7182 2005-08-10  Eric Christopher  <echristo@apple.com>
7184         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7185         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7186         V2DFmode.
7188 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7190         PR target/21887
7191         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7192         for the high part when generating dynamic-no-pic code.
7194 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7196         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7197         (x86_64-*-linux*): Likewise.
7199         * config/i386/crtfastmath.c: New file.
7200         * config/i386/t-crtfm: Likewise.
7202         * config/i386/linux.h (ENDFILE_SPEC): New.
7203         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7205         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7206         crtfastmath.o.
7208 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7210         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7211         (vec_shl, vec_shr): Document new operations.
7212         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7214 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7216         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7217         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7218         change predicate to indexed_or_indirect_address.
7220 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7222         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7223         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7224         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7225         and __aeabi_uwrite8.
7226         * config/arm/unaligned-funcs.c: New file.
7227         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7229 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7231         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7232         Add dump.
7233         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7234         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7235         Add dump.
7236         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7237         * final.c (pass_shorten_branches): Add dump.
7238         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7239         (pass_life): Rename dump.
7240         (rest_of_handle_flow2): Remove initial verify_flow_info.
7241         * function.c (pass_instantiate_virtual_regs): Add dump.
7242         * integrate.c (pass_initial_value_sets): Add dump.
7243         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7244         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7245         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7246         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7247         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7248         gate_rtl_unrool_and_peel_loops): New.
7249         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7250         rtl_doloop): Do not look at flags.
7251         * mode-switching.c (pass_mode_switching): Add dump.
7252         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7253         pass_split_before_regstack): Add dump.
7254         * regmove.c (pass_stack_adjustments): Add dump.
7255         * tree-optimize.c (pass_fixup_cfg): Add dump.
7257 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7259         PR 23309
7260         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7261         deciding which instruction sequence to use.
7263 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7265         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7266         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7268 2005-08-09  Richard Guenther  <rguenther@suse.de>
7270         * c-common.c (builtin_function_2): Remove.
7271         (def_builtin_1): New function.
7272         (c_common_nodes_and_builtins): Use def_builtin_1 to
7273         build builtin functions.
7275 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7277         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7278         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7279         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7280         Visual DSP.
7282 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7284         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7285         fold_binary instead of fold_build2 since we don't care about the
7286         resulting tree.
7287         (loop_niter_by_eval): Likewise.
7288         (compare_trees): Likewise.
7289         (proved_non_wrapping_p): Likewise.
7291 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7293         PR c/23161
7294         PR c/23165
7295         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7296         if the if is really empty.
7298 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7300         PR tree-optimization/23234
7301         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7302         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7303         argument of the new enum.
7304         (execute_cse_reciprocals): Add reciprocals for function arguments
7305         on the unique successor edge of the entry block.  Update other calls
7306         to execute_cse_reciprocals_1.
7308 2005-08-08  Richard Henderson  <rth@redhat.com>
7310         PR 22439
7311         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7313 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7315         * expr.c (write_complex_part): Return after handling MEM.
7317 2005-08-08  Josh Conner  <jconner@apple.com>
7319         PR rtl-optimization/23241
7320         * combine.c (simplify_comparison): Fix error in determining
7321         whether to lift a subreg from comparison.
7323 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7325         PR target/18506
7326         * config/rs6000/altivec.md (vec_init<mode>): New.
7327         (vec_set<mode>): New.
7328         (vec_extract<mode>): New.
7329         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7330         (rs6000_expand_vector_set): New.
7331         (rs6000_expand_vector_extract): New.
7332         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7333         for Altivec modes before reload.
7334         (altivec_expand_vec_init_builtin): New.
7335         (get_element_number): New.
7336         (altivec_expand_vec_set_builtin): New.
7337         (altivec_expand_vec_ext_builtin): New.
7338         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7339         builtins.
7340         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7341         builtins.
7342         * config/rs6000/rs6000.h (rs6000_builtins): Add
7343         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7344         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7345         * config/rs6000/rs6000-protos.h: Declare new functions.
7347 2005-08-08  Jan Hubicka  <jh@suse.cz>
7349         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7350         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7351         * i386.md (movdi*): Use pic_32bit_operand.
7352         * predicates.md (pic_32bit_operand): New.
7354 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7356         PR c++/21166
7357         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7359 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7361         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7362         (test_for_singularity): Use fold_build2.
7364 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7366         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7368 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7370         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7371         (COMMON_ASM_OP) Define.
7372         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7373         (ix86_encode_section_info): Likewise.
7374         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7375         SUBTARGET_ENCODE_SECTION_INFO.
7377 2005-08-06  Richard Henderson  <rth@redhat.com>
7379         PR 21894
7380         * tree-nested.c (convert_local_reference): Save and restore val_only
7381         around component_ref and friends.  Clear walk_subtrees by default.
7383 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7385         PR 21366
7386         * gcc.c (process_command): Check the argument to -b has a dash.
7387         * doc/invoke.texi: Update -b and -V docs.
7389 2005-08-06  James E Wilson  <wilson@specifix.com>
7391         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7393 2005-08-06  Michael Matz  <matz@suse.de>
7395         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7396         member only if only one insn is associated with the value.
7398 2005-08-06  Nick Clifton  <nickc@redhat.com>
7400         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7401         New define.
7402         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7403         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7404         Check symbol flags instead of symbol name mangling.
7405         (xstormy16_asm_output_aligned_common): Likewise.  Also
7406         simplify code since the bss100_section cass is the only case
7407         where the below100 code will be triggered.
7408         (xstormy16_encode_section_info): Encode below100 attribute
7409         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7410         the name.
7411         (xstormy16_strip_name_encoding): Delete - this function is no
7412         longer needed.
7413         (TARGET_STRIP_NAME_ENCODING): Undefine.
7414         * config/stormy16/stormy16-protos.h: Delete prototype for
7415         xstormy16_strip_name_encoding.
7417 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7419         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7420         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7421         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7422         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7423         config/alpha/predicates.md, config/arc/arc.h,
7424         config/arm/arm.h, config/arm/ieee754-df.S,
7425         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7426         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7427         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7428         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7429         config/m68hc11/m68hc11.h, config/mips/mips.c,
7430         config/mips/mips.h, config/mips/openbsd.h,
7431         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7432         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7433         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7434         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7435         config/sparc/linux.h, config/sparc/linux64.h,
7436         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7437         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7438         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7439         typos.  Follow spelling conventions.
7441 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7443         PR c/23113
7444         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7445         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7446         specially.  Check for side effects only for COND_EXPR.
7447         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7448         return with TREE_NO_WARNING.
7450 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7452         PR rtl-optimization/23233
7453         * loop.c (combine_movables): Require the modes to be the same.
7454         (move_movables): Remove handling of cases where the replacement
7455         had a different mode to the original.
7457 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7459         PR tree-optimization/23128
7460         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7461         subtraction wrap, and set TREE_OVERFLOW if they do.
7463 2005-08-05  Richard Henderson  <rth@redhat.com>
7465         PR 21728
7466         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7467         FORCED_LABEL labels.
7469 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7471         PR middle-end/23135
7472         * reload.c (find_reloads_subreg_address): Pass down TYPE
7473         unchanged.  Change all callers except find_reloads_toplev.
7475 2005-08-05  Michael Matz  <matz@suse.de>
7477         * genattrtab.c (current_alternative_string): Remove.
7478         (SIMPLIFY_ALTERNATIVE): Ditto.
7479         (attr_alt_bit_p): Ditto.
7480         (alternative_name): Make const char *.
7481         (evaluate_eq_attr): Remove use of above things.
7482         (simplify_test_exp): Ditto.
7483         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7484         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7486 2005-08-04  James E Wilson  <wilson@specifix.com>
7488         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7489         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7490         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7491         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7492         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7494 2005-08-04  Richard Henderson  <rth@redhat.com>
7496         PR 21529
7497         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7498         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7499         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7500         if we'd have to instantiate too many members.
7502 2005-08-04  Richard Henderson  <rth@redhat.com>
7504         PR 21291
7505         * tree-outof-ssa.c (coalesce_asm_operands): New.
7506         (coalesce_ssa_name): Use it.  Split out ...
7507         (coalesce_phi_operands, coalesce_result_decls): ... these.
7509 2005-08-04  Paul Brook  <paul@codesourcery.com>
7511         * read-rtl.c (read_quoted_string): Break if EOF.
7513 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7515         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7516         (fold_build2): Likewise.
7517         (fold_build3): Likewise.
7518         (fold_build1_stat): New function prototype.
7519         (fold_build2_stat): Likewise.
7520         (fold_build3_stat): Likewise.
7521         * fold-const.c (fold_build1): Rename to ..
7522         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7523         through to build1_stat.
7524         (fold_build2): Rename to ..
7525         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7526         through to build2_stat.
7527         (fold_build3): Rename to ..
7528         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7529         through to build3_stat.
7531 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7532             Ian Lance Taylor  <ian@airs.com>
7534         * function.c (assign_stack_local_1): Do not correct stack slot
7535         address if allocation size is smaller than mode size.
7537 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7539         PR 22037
7540         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7541         (tree_merge_blocks): Propagate anything allowed by
7542         may_propagate_copy.
7543         Clarify documentation.
7544         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7545         SSA form, schedule an update if necessary.
7547 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7549         * doc/install.texi (Binaries): Remove broken link to
7550         Sinix/Reliant Unix binaries.
7552 2005-08-03  Richard Henderson  <rth@redhat.com>
7554         PR 23221
7555         * function.c (stack_protect_epilogue): Export.
7556         * tree.h (stack_protect_epilogue): Declare.
7557         * calls.c (expand_call): Call it.
7559 2005-08-03  Eric Christopher  <echristo@apple.com>
7561         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7562         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7563         spec.
7565 2005-08-04  Jan Hubicka  <jh@suse.cz>
7567         * profile.c (branch_prob): Split edges with goto locus on them
7568         to get proper line counts.
7569         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7571 2005-08-03  Paul Brook  <paul@codesourcery.com>
7573         * function.c (assign_parms): Round current_function_args_size
7574         to PARM_BOUNDARY, not STACK_BOUNDARY.
7576 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7578         * config/i386/i386.c (x86_elf_aligned_common)
7579         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7581 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7583         PR tree-optimization/23157
7584         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7585         before emitting them.
7587 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7589         PR tree-optimization/19899
7590         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7591         * tree-scalar-evolution.c: Include real.h.
7592         (add_to_evolution): Build constant -1 of correct type.
7594 2005-08-03  Jan Hubicka  <jh@suse.cz>
7596         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7597         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7598         profile updating for complette unrolling.
7599         * loop-unroll.c (peel_loop_completely): Use it.
7600         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7601         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7602         loops.
7604 2005-08-03  Paul Brook  <paul@codesourcery.com>
7606         * combine.c (can_change_dest_mode): New function.
7607         (try_combine, simplify_set): Use it.
7609 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7611         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7612         TFmode to BLKmode.
7614 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7616         * doc/install.texi (Specific): Adjust link to openavr.org.
7617         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7618         (Binaries): Adjust HP-UX Porting Center link.
7619         (Binaries): Adjust Free Software Foundation ordering link.
7621 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7623         * convert.c (convert_to_integer): Use fold_build1 instead of
7624         build1 when converting an integer to an integer.
7626 2005-08-02  Richard Henderson  <rth@redhat.com>
7628         * combine.c (combine_instructions): Don't use reg_equal/equiv
7629         results if the mode doesn't match.
7631 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7633         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7634         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7636 2005-08-02  Richard Henderson  <rth@redhat.com>
7638         PR 23196
7639         * explow.c (memory_address): Remove special-case for
7640         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7642 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7644         PR 23164
7645         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7646         number of calls to cleanup_tree_cfg_1.
7648 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7650         * doc/invoke.texi: document file extensions .F90 and .F95
7652 2005-08-02  Richard Guenther  <rguenther@suse.de>
7654         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7655         positive if its first argument is positive.
7657 2005-08-02  Richard Guenther  <rguenther@suse.de>
7659         PR tree-optimization/23177
7660         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7661         on TMR_TAG.
7663 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7665         PR tree-optimization/23129
7666         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7667         varying for divisions with anti-ranges.
7669 2005-08-02  Jan Hubicka  <jh@suse.cz>
7671         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7672         * tree-ssa-threadupdate.c (thread_block): Add it here.
7674 2005-08-01  James E Wilson  <wilson@specifix.com>
7676         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7677         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7678         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7679         New.
7680         * config/mips/predicates.md (const_call_insn_operand): Add check for
7681         SYMBOL_REF_LONG_CALL_P.
7682         * doc/extend.texi (long_call): Document the new attribute.
7684 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7685             Richard Henderson  <rth@redhat.com>
7687         * Makefile.in (RTL_BASE_H): Add real.h.
7688         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7689         instead of memcpy.
7690         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7691         directly.
7692         * rtl.c (rtl_check_failed_code_mode): New.
7693         * rtl.h (struct rtx_def): Add u.rv.
7694         (XCMWINT, XCNMPRV): New.
7695         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7696         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7698 2005-08-01  Richard Henderson  <rth@redhat.com>
7700         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7701         with auto-inc codes.
7703         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7705 2005-08-01  Jan Hubicka  <jh@suse.cz>
7707         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7708         * i386.c: Include dwarf2.h
7709         (asm_preferred_eh_data_format): New.
7710         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7712 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7714         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7715         randomize_va_space for virtual address randomization control.
7717 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7719         * common.opt (flag_ipa_cp): Put in right place to maintain
7720         alphabetic sort.
7722 2005-08-01  Jan Hubicka  <jh@suse.cz>
7724         * profile.c (compute_value_histograms): Fix thinko.
7725         * value-prof.c: Include toplev.h
7726         (check_counter): New function.
7727         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7728         tree_mod_subtract_transform): Add sanity check.
7730 2005-08-01  Richard Guenther  <rguenther@suse.de>
7732         PR tree-optimization/23133
7733         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7734         current functions parameter decls to find defs to cse
7735         reciprocals of.
7737 2005-08-01  Richard Guenther  <rguenther@suse.de>
7739         PR tree-optimization/23109
7740         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7741         If trapping math is in effect, use post-dominator information
7742         to check if we'd in any case reach a trapping point before
7743         doing the reciprocal insertion.
7744         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7745         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7746         expressions are invariant only if trapping math is not in effect.
7748 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7750         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7751         cgraph_function_versioning): New declarations.
7752         * cgraphunit.c: Add include to ipa-prop.h.
7753         (update_call_expr, cgraph_copy_node_for_versioning,
7754         cgraph_function_versioning): New functions.
7755         * integrate.c (copy_decl_for_inlining): Remove.
7756         * ipa-prop.h (ipa_replace_map): New struct.
7757         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7758         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7759         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7760         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7761         ipcp_iterate_stage, ipcp_method_scale_print,
7762         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7763         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7764         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7765         ipcp_update_bb_counts, ipcp_update_profiling,
7766         ipcp_update_edges_counts): New functions.
7767         (ipcp_method_cval_init): Remove restriction regarding local methods.
7768         (ipcp_init_stage): Add ipcp_method_compute_scale.
7769         (ipcp_insert_stage): Add versioning.
7770         (ipcp_structures_print): Add ipcp_method_scale_print.
7771         (ipcp_driver): Dump profiling info.
7772         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7773         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7774         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7775         (struct inline_data): Add versioning_p, ipa_info, new fields.
7776         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7777         declare_return_variable): Replace calls to copy_decl_for_inlining with
7778         copy_decl_for_dup.
7779         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7780         versioning support.
7781         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7782         Add argument VERSIONING.
7783         (copy_arguments_for_versioning, copy_static_chain,
7784         function_versionable_p, tree_versionable_function_p,
7785         tree_function_versioning, replace_ref_tree): New functions.
7786         * tree-inline.h: Include varray.h.
7787         (tree_versionable_function_p,  tree_function_versioning,
7788         tree copy_decl_for_dup): New declarations.
7790 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7792         * ipa-cp.c: New file. Contains IPCP specific functionality.
7793         * ipa-prop.h: New file. Contains structures/definitions that can be
7794         used by several interprocedural data flow optimizations (and also IPCP).
7795         * ipa-prop.c: New file.
7796         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7797         * common.opt: Add ipa-cp flag.
7798         * timevar.def: Add IPCP optimization.
7799         * tree-optimize.c (init_tree_optimization_passes): Schedule
7800         pass_ipa_cp.
7801         * tree-pass.h (pass_ipa_cp): Declare.
7803 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7805         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7806         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7807         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7808         config/i386/i386.c, config/mips/mips.h,
7809         config/rs6000/rs6000.h, config/sh/sh.c,
7810         config/stormy16/stormy16.c: Fix comment typos.
7812 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7814         PR c/22311
7815         * c-typeck.c (build_binary_op): Use common_type wrapper on
7816         shortened types.
7817         (common_type): Update comment.
7819 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7821         PR target/23095
7822         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7823         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7824         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7826 2005-07-31  Jan Hubicka  <jh@suse.cz>
7828         * pretty-print.h (pp_widest_integer): New macro.
7829         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7830         counts.
7832 2005-07-31  Jan Hubicka  <jh@suse.cz>
7834         * output.h (enum section_category): Export from varasm.c
7835         (categorize_decl_for_section): Likewise.
7836         * varasm.c (enum section_category): Kill.
7837         (categorize_decl_for_section): Make global.
7838         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7839         Declare.
7840         * i386.c (ix86_section_threshold): New static variable.
7841         (ix86_in_large_data_p, ix86_encode_section_info,
7842         x86_64_elf_unique_section,
7843         x86_64_elf_select_section): New functions.
7844         (TARGET_ENCODE_SECTION_INFO): Define
7845         (override_options): Enable medium model for PIC.
7846         (ix86_expand_prologue): Expand gen_set_got_rex64.
7847         (legitimate_constant_p): Handle new UNSPECs.
7848         (legitimate_pic_address_disp_p): Likewise.
7849         (legitimize_pic_address): Lower MEDIUM model addressing.
7850         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7851         (enum cmodel): Add MEDIUM_PIC.
7852         (SYMBOL_REF_FAR_ADDR_P): New macro.
7853         (SYMBOL_FLAG_FAR_ADDR): New flag.
7854         * i386.md (movdi): Support medium model.
7855         (set_got_rex64): New pattern.
7856         * i386.opt (mlarge-data-threshold): New flag.
7857         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7858         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7859         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7860         TARGET_ASM_UNIQUE_SECTION): New.
7862         * invoke.texi (-mlarge_data_threshold): Document
7864 2005-07-31  Jan Hubicka  <jh@suse.cz>
7866         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7867         (coalesce_vars): Likewise.
7868         * tree-ssa-live.c (coalesce_cost): New.
7869         (build_tree_conflict_graph): Use coalesce_cost.
7870         * tree-ssa-live.h (coalesce_cost): Declare.
7872 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7874         * arm.md (all peepholes for post-increment operations): Delete.
7875         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7876         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7877         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7878         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7879         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7881 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
7883         * fold-const.c (tree_expr_nonnegative_p): Always return true for
7884         non-integral types.
7886 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
7888         PR target/22582
7889         * doc/invoke.texi: Document -rdynamic.
7891 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
7893         PR c/23143
7894         * c-parser.c (c_parser_parms_list_declarator): Call
7895         mark_forward_parm_decls.
7896         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7897         decls with visibility structure.
7899 2005-07-30  Paul Brook  <paul@codesourcery.com>
7901         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7903 2005-07-30  Paul Brook  <paul@codesourcery.com>
7905         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7906         prototype.
7907         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7908         value for mode.
7909         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7911 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7913         PR c/529
7914         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7915         nested function declarators.
7916         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7917         (grokparms): Call warn_if_shadowing for parameters used within the
7918         parameter list.
7919         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7920         not used within the parameter list.
7921         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7923 2005-07-30  Jan Hubicka  <jh@suse.cz>
7925         * expr.c (expand_expr_real_1): Do not load mem targets into register.
7926         * i386.c (ix86_fixup_binary_operands): Likewise.
7927         (ix86_expand_unary_operator): Likewise.
7928         (ix86_expand_fp_absneg_operator): Likewise.
7929         * optabs.c (expand_vec_cond_expr): Validate dest.
7931 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7933         PR c/21720
7934         * real.c (real_from_string): Also set last bit if there is a
7935         nonzero hex digit beyond GCC's internal precision after ".".
7937 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
7939         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7940         define_constants.  Change duplicate values to unassigned numbers.
7941         Change UNSPEC_SUBS to UNSPEC_VSUBS.
7942         (*altivec_vspltsf): New.
7943         (altivec_vperm_v4sf): Delete.
7944         (altivec_vperm_<mode>): Use mode macro V.
7945         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7946         (altivec_predicate_v4sf): Delete.
7947         (altivec_predicate_<mode>): Use mode macro V.
7948         (*altivec_lvesfx): New.
7949         (*altivec_stvesfx): New.
7950         (vec_realign_load_v4sf): Delete.
7951         (vec_realign_load_<mode>): Use mode macro V.
7952         * config/rs6000/rs6000.c (generate_set_vrsave): Use
7953         UNSPECV_SET_VRSAVE.
7955 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
7957         PR bootstrap/23131
7958         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7959         string.
7960         * configure: Regenerated.
7962 2005-07-29  Paul Brook  <paul@codesourcery.com>
7964         * doc/install.texi: Add link to GFortran binaries wiki page.
7966 2005-07-29  David Ung  <davidu@mips.com>
7968         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7969         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7970         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7971         * config/mips/mips.md (cpu): Add 5kf name.
7972         (includes): Includes 5k.md.
7973         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7974         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7975         -march flag.
7977 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7979         PR 22550
7980         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7981         (cleanup_tree_cfg): ... here.
7982         Call cleanup_tree_cfg_1 until there are no more cleanups to
7983         do.
7985 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
7987         * tree-vrp.c (compare_range_with_value): Return true or false
7988         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7989         EQ_EXPR respectively.
7991 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
7993         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7994         Fix comment typos.
7996 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7998         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7999         (tree_ssa_dominator_optimize): Increment it.
8000         (dump_dominator_optimization_stats): Print it.
8002 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8003             Steven Bosscher  <stevenb@suse.de>
8005         PR rtl-optimization/23117
8006         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8007         when head == tail.  Tidy comment.
8009 2005-07-28  Richard Henderson  <rth@redhat.com>
8011         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8012         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8013         * jump.c (rtx_renumbered_equal_p): Likewise.
8014         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8015         CONST_INT and CONST_DOUBLE.
8016         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8017         * reload.c (operands_match_p): Special case CONST_INT and
8018         CONST_DOUBLE; check mode earlier.
8020 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8022         PR c/22240
8023         * c-typeck.c (convert_for_assignment): Do not check
8024         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8026 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8028         PR c/22192
8029         * c-typeck.c (composite_type): Prefer constant size arrays to
8030         VLAs.
8032 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8034         PR c/21720
8035         * real.c (real_from_string): Set last bit if there is a nonzero
8036         hex digit beyond GCC's internal precision.
8038 2005-07-28  Richard Henderson  <rth@redhat.com>
8040         PR rtl-opt/22619
8041         * cfgcleanup.c (try_forward_edges): Watch out for end of
8042         insn chain.
8044 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8046         PR c/23106
8047         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8049 2005-07-28  Jan Hubicka  <jh@suse.cz>
8051         * Makefile.in (rtl-profile.o): Kill all traces of it.
8052         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8053         * coverage.h (rtl_coverage_counter_ref): Kill.
8054         * opts.c (flag_speculative_prefetching_set): Kill.
8055         (flag_loop_optimize_set): New.
8056         (common_handle_option): Disable loop optimizer when profiling;
8057         do not handle speculative prefetching.
8058         * passes.c (init_optimization_passes): Replace pass_profiling combo
8059         by branch_prob pass.
8060         * profile.c (compute_value_histograms): Update for simplified value
8061         profiles.
8062         (rtl_register_profile_hooks): Kill.
8063         (pass_profiling): Kill.
8064         (rest_of_handle_branch_prob): Do not profile.
8065         * toplev.c (process_options): Remove speculative prefetching.
8066         * toplev.h (flag_tree_based_profiling): Kill.
8067         * tree-profile.c (prepare_instrumented_value,
8068         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8069         tree_gen_one_value_profiler, do_tree_profiling): Update for
8070         simplified datastructures.
8071         * value-prof.c: Add comment that speculative prefetching was dropped;
8072         update rest of file for simplified datastructures.
8073         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8074         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8075         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8076         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8077         rtl_mod_subtract, gen_speculative_prefetch,
8078         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8079         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8080         (gate_handle_value_profile_transformations,
8081         rest_of_handle_value_profile_transformations,
8082         pass_value_profile_transformations): Kill.
8083         * value-prof.h (histogram_value_t): Remove IL based unions.
8084         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8085         rtl_profile_hooks): Remove hooks.
8087         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8089         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8090         (cgraph_clone_node): Likewise.
8091         * cgraph.h (cgraph_clone_edge): Update prototype.
8092         (cgraph_clone_node): Likewise.
8093         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8094         cgraph_clone_node.
8095         (lookup_recursive_calls): Consider profile.
8096         (cgraph_decide_recursive_inlining): Fix updating; use new
8097         probability argument; use profile.
8098         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8099         * tree-inline.c (copy_bb): Update clal of clone_edge.
8100         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8102         * invoke.texi (min-inline-recursive-probability): Document.
8104 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8106         * doc/install.texi (Configuration): Update Valgrind homepage.
8108 2005-07-28  Richard Henderson  <rth@redhat.com>
8110         PR middle-end/21362
8111         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8112         labels we want to delete.
8113         (cfg_layout_merge_blocks): Likewise.
8115 2005-07-28  Richard Henderson  <rth@redhat.com>
8117         PR target/17692
8118         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8119         when expanding to nothing.
8121 2005-07-28  Josh Conner  <jconner@apple.com>
8123         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8124         (cgraph_decide_inlining_of_small_functions): Likewise.
8126 2005-07-28  Josh Conner  <jconner@apple.com>
8128         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8129         direction of badness if negative.
8130         (cgraph_default_inline_p): Add reason to parameters, and assign it
8131         a value.
8132         (cgraph_decide_inlining_of_small_functions): New parameter in call
8133         to cgraph_default_inline_p.
8134         (cgraph_decide_inlining_incrementally): Likewise.
8135         * cgraphunit.c (decide_is_function_needed): Likewise.
8136         * cgraph.h (cgraph_default_inline_p): Likewise.
8138 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8140         * builtins.c: Fix comment typo(s).
8141         * genautomata.c: Likewise.
8142         * gimplify.c: Likewise.
8143         * tree-dfa.c: Likewise.
8144         * tree-flow-inline.h: Likewise.
8145         * tree-into-ssa.c: Likewise.
8146         * tree-ssa-alias.c: Likewise.
8147         * tree-ssa-ccp.c: Likewise.
8148         * tree-ssa-copy.c: Likewise.
8149         * tree-ssa-dce.c: Likewise.
8150         * tree-ssa-dom.c: Likewise.
8151         * tree-ssa-operands.c: Likewise.
8152         * tree-tailcall.c: Likewise.
8153         * tree-vectorizer.c: Likewise.
8154         * tree-vrp.c: Likewise.
8155         * tree.c: Likewise.
8157 2005-07-28  Jeff Law  <law@redhat.com>
8159         * tree-vrp.c (test_for_singularity): Extracted from  ...
8160         (simplify_cond_using_ranges): Attempt to simplify a relational
8161         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8163 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8165         PR tree-optimization/22506
8166         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8167         phis whose argument is constant.
8169 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8171         PR rtl-optimization/18992
8172         Back out this patch:
8173           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8174           PR optimization/12142
8175           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8176           uses of the register in the SET_SRC.  Remove unnecessary argument.
8178         Replace it with this:
8179         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8180         if flag_non_call_exceptions is set and the insn may trap, pass
8181         pc_rtx as dest for recursion.
8182         In SET_SRC part of SET case, if dest is already set, pass it down
8183         unchanged.
8185 2005-07-28  Jan Hubicka  <jh@suse.cz>
8187         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8188         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8189         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8190         roundoff errors.
8191         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8192         profile when available.
8194 2005-07-28  Jan Beulich <jbeulich@novell.com>
8196         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8197         (ia64_print_operand): Describe and handle 'X'.
8198         (ia64_register_move_cost): Also handle FP_REGS.
8199         (ia64_preferred_reload_class): Likewise.
8200         (ia64_secondary_reload_class): Likewise.
8201         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8202         it. Also check for ITANIUM_CLASS_FLDP.
8203         * config/ia64/ia64.h (FP_REGNO_P): New.
8204         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8205         (reg_class): Add FP_REGS.
8206         (REG_CLASS_NAMES): Adjust for it.
8207         (REG_CLASS_CONTENTS): Likewise.
8208         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8209         (REG_CLASS_FROM_LETTER): Handle 'x'.
8210         (CLASS_MAX_NREGS): Handle FP_REGS.
8211         (MEMORY_MOVE_COST): Likewise.
8212         * config/ia64/ia64.md (itanium_class): Add fldp.
8213         (type): Handle fldp.
8214         (movti_internal): More allowable operand combinations. Use ldfp8 when
8215         splitting unnecessary. Remove predicable attribute. Adjust
8216         itanium_class attribute.
8217         (smuldi3_highpart): Remove outdated comment.
8218         (mulditi3, umulditi3, rotlti3): New expanders.
8219         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8220         (absti2): Disabled new insn for future reference.
8221         Respective new splitters.
8222         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8223         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8224         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8226 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8228         PR rtl-optimization/23047
8229         * simplify-rtx.c (simplify_const_relational_operation): Respect
8230         flag_wrapv for comparisons with ABS.
8232 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8234         PR tree-optimization/22493
8235         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8236         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8238 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8240         * config/frv/frv.opt (moptimize-membar): New.
8242         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8244         * config/frv/frv.h: Remove machine_function definition.
8246         * config/frv/frv.c (struct frv_io): New.
8247         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8248         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8249         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8250         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8251         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8252         (frv_reorg): Call frv_optimize_membar when appropriate.
8253         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8254         (frv_expand_builtin): Adjust calls accordingly.
8255         (frv_io_address_cookie): New function.
8256         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8257         load or store rather than a special insn.  Add ccnstant address and
8258         io-type operands to the membar.
8259         (frv_ifcvt_modify_tests): Unsign regno.
8260         (frv_ifcvt_modify_tests): Same.
8262         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8263         UNSPEC_OPTIONAL_MEMBAR constant.
8264         (builtin_read_<mode>): Delete.
8265         (builtin_write_<mode>): Delete.
8266         ("optional_membar_<mode>"): Add operand.
8268         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8269         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8270         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8271         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8272         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8273         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8274         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8275         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8276         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8278 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8280         * df.c (df_uses_record): Handle SCRATCH.
8282 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8284         PR debug/20161
8285         * passes.c (rest_of_decl_compilation): If decl is a type and
8286         we have encountered errors, don't emit debug information.
8288 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8290         * params.def: Fixed comment.
8292 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8294         PR target/19885
8295         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8296         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8297         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8299 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8301         PR c++/22003
8302         * varasm.c (assemble_start_function): Don't do anything that may
8303         require a CFG if the current function is a thunk.
8305 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8307         * doc/install.texi (Prerequisites): Mention that perl is needed
8308         to do export control in libstdc++ targetting Darwin.
8310 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8312         PR rtl-optimization/17808
8313         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8314         (sched_insns_conditions_mutex_p): Split out from...
8315         (add_dependence): ...here.  But don't call it from here.
8316         (add_dependence_list): Check sched_insns_conditions_mutex_p
8317         before calling add_dependence.
8318         (add_dependence_list_and_free): Likewise.
8319         (fixup_sched_groups): Likewise.
8320         (sched_analyze_1): Likewise.
8321         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8322         (sched_analyze): Likewise.
8323         (sched_analyze_insn): Likewise.
8324         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8325         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8326         dependencies on all COND_EXEC insns to jumps ending basic blocks
8327         when doing intrablock scheduling.
8328         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8330 2005-07-27  Jeff Law  <law@redhat.com>
8332         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8333         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8334         equivalency sets, correctly handle the case were vr0 has an
8335         equivalency set, but vr1 does not.
8337 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8339         PR tree-optimization/23073
8340         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8341         vect_print_dump_info before fprintf.
8343 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8345         PR tree-optimize/22348
8346         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8347         Fold the partial computation.
8349 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8351         PR tree-optimization/22325
8352         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8353         Declare.
8354         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8355         value replacement.
8356         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8357         (force_var_cost): ... this function.
8358         (compute_phi_arg_on_exit): Export.
8360 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8362         PR tree-optimization/20773
8363         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8364         edge.
8366 2005-07-27  Richard Guenther  <rguenther@suse.de>
8368         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8369         Avoid pushing again if current struct contains only
8370         fields we decomposed.
8372 2005-07-27  Jan Hubicka  <jh@suse.cz>
8374         PR tree-optimization/22574
8375         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8376         not available.
8378         * tree-tailcall.c (decrease_profile): New function.
8379         (eliminate_tail_call): Use it.
8381         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8382         visibility flags correctly in whole program mode.
8384 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8386         PR rtl-optimization/22472
8387         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8389 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8391         PR tree-optimization/22504
8392         * tree-complex.c (expand_complex_addition): Use 'code' instead
8393         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8395 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8397         * config.gcc (cpu_type): Add frv case.
8398         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8399         (supported_defaults): Add fr550 case.
8401 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8403         PR 22591
8404         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8405         whether a pointer of type T * may point to objects of type T *.
8407 2005-07-26  DJ Delorie  <dj@redhat.com>
8409         * configure: Regenerate.
8411 2005-07-26  Dale Johannesen  <dalej@apple.com>
8413         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8415 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8417         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8418         Clarify use of "build" in name.
8420 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8422         * doc/extend.texi (Raw read/write Functions): New section.
8423         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8424         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8425         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8426         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8427         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8428         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8429         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8430         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8431         * config/frv/frv.c: Add bdesc_loads global.
8432         Add bdesc_stores global.
8433         (frv_init_builtins): Add support for __builtin_{read/write}*.
8434         (frv_volatile_memref): New.
8435         (frv_expand_load_builtin): New.
8436         (frv_expand_store_builtin): New.
8437         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8438         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8439         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8440         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8441         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8442         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8443         (builtin_read_<mode>): New.
8444         (builtin_write_<mode>): New.
8445         (builtin_write64): New.
8446         (optional_membar_<mode>): New.
8448 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8450         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8451         (rather than units) against HOST_BITS_PER_WIDE_INT.
8453 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8455         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8456         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8457         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8458         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8459         FSF address.
8461         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8462         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8463         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8464         comment typos.
8465         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8467 2005-07-26  Richard Guenther  <rguenther@suse.de>
8469         PR tree-optimization/22486
8470         * fold-const.c (fold_unary): Fold away useless component
8471         references of the form (T *)&T.x, if the address
8472         doesn't change.
8474 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8476         * dwarf2out.c (add_call_src_coords_attributes): New.
8477         (gen_inlined_subroutine_die): Call it.
8478         (maybe_emit_file, init_file_table): Add comments.
8479         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8480         maybe_emit_file.
8481         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8482         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8483         * tree.h (BLOCK_SOURCE_LOCATION): New.
8484         (struct tree_block): New field locus.
8486 2005-07-26  Andreas Schwab  <schwab@suse.de>
8488         PR rtl-optimization/23043
8489         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8490         when allocating a struct unoccr.
8492 2005-07-25  Richard Henderson  <rth@redhat.com>
8494         PR 22626
8495         * tree-complex.c (gate_no_optimization): True if errors.
8496         * Makefile.in (tree-complex.o): Update dependencies.
8498 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8500         * config/frv/predicates.md (integer_register_operand): Use
8501         GPR_AP_OR_PSEUDO_P.
8503 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8505         PR tree-opt/22484
8506         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8507         after fold.
8508         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8510 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8512         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8513         types when flag_unsafe_math_optimizations is true.
8515 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8517         * gcc.c (option_map): Add --sysroot.
8518         (process_command): Handle --sysroot.
8519         (display_help): Document it.
8520         * doc/cppopts.tex (-isysroot): Document.
8521         * doc/invoke.texi (--sysroot): Document.
8522         * doc/install.texi (--with-build-sysroot): Document.
8524         * Makefile.in (inhibit_libc): New variable.
8525         (INHIBIT_LIBC_CFLAGS): Likewise.
8526         (LIBGCC2_CFLAGS): Include
8527         $(INHIBIT_LIBC_CFLAGS).
8528         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8529         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8530         ($(T)crtend.o): Likewise.
8531         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8532         ($(T)crtendS.o): Likewise.
8533         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8534         ($(T)crtendT.o): Likewise.
8535         (stmp-fixinc): Do not complain about missing headers if
8536         inhibit_libc.
8537         * configure.ac (inhibit_libc): Set it to true/false.
8538         (--with-build-sysroot): New option.  Use it to set
8539         SYSTEM_HEADER_DIR.
8540         * configure: Regenerated.
8542 2005-07-25  Manfred Hollstein  <mh@suse.com>
8544         * calls.c (store_one_arg): Fix unsigned comparison warning.
8546 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8548         PR other/22337
8549         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8550         (ggc_print_statistics): Initialize variable before use.
8552 2005-07-25  Richard Guenther  <rguenther@suse.de>
8554         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8555         calling with a PHI_NODE argument.
8557         * tree-flow-inline.h (overlap_subvar): Protect against
8558         possible overflow.
8560 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8562         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8563         * configure: Regenerate.
8565 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8567         * expr.c (highest_pow2_factor): Make extern.
8568         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8569         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8570         record_array_differ_p, array_ptr_differ_p): Likewise.
8571         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8572         additional cases. Call the above functions.
8573         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8574         base_object_differ_p when there are two base objects. Otherwise, compare
8575         base address and offset. Call may_alias_p.
8576         (dump_data_reference): Use a correct field name.
8577         (analyze_array): Make static. Initialize new data-ref fields.
8578         (analyze_indirect_ref): New function.
8579         (init_data_ref): Initialize new data-ref fields.
8580         (strip_conversion): Moved from tree-vect-analyze.c.
8581         (analyze_offset_expr, get_ptr_offset, address_analysis,
8582         object_analysis): Likewise.
8583         (analyze_offset): New function.
8584         (create_data_ref): Likewise.
8585         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8586         dimensions for ARRAY_REFs only.
8587         (build_classic_dist_vector): Make static.
8588         (access_functions_are_affine_or_constant_p): Call macro to get the
8589         address of access functions.
8590         (compute_all_dependences): Add new parameter
8591         compute_self_and_read_read_dependences. Compute self and read-read
8592         dependences if it is true.
8593         (find_data_references_in_loop): Call create_data_ref. Initialize new
8594         data-ref fields.
8595         (compute_data_dependences_for_loop): Add new parameter
8596         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8597         compute nb_loops. Call compute_all_dependences,
8598         build_classic_dist_vector and build_classic_dir_vector with correct
8599         parameters.
8600         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8601         with correct parameters. Compare dimensions for ARRAY_REFs only.
8602         (free_data_refs): Call macro to free access functions.
8603         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8604         fields from stmt_vinfo.
8605         (struct base_object_info): New structure.
8606         (struct data_reference): Move fields to base_object_info. Add fields
8607         first_location and object_info for above structures. Move fields from
8608         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8609         aligned_to.  Add macros to access the new fields.
8610         Update functions declarations.
8611         * tree-flow.h (is_aliased_with): Declare.
8612         * tree-loop-linear.c (linear_transform_loops): Call
8613         compute_data_dependences_for_loop with correct parameters.
8614         * tree-ssa-alias.c (is_aliased_with): New function.
8615         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8616         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8617         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8618         vect_base_addr_differ_p, compute_subscript_distance and
8619         build_classic_dist_vector. Add printings. Check absolute value of
8620         distance.
8621         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8622         data-refs.
8623         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8624         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8625         to bytes. Add printing.
8626         (vect_compute_data_refs_alignment): Go through loads and stores in one
8627         loop.
8628         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8629         vect_analyze_data_ref_access): Likewise.
8630         (vect_analyze_pointer_ref_access): Remove.
8631         (vect_address_analysis, vect_object_analysis): Likewise.
8632         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8633         and analyze data-refs in the loop.
8634         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8635         fields of data-ref instead of stmt. Add init to the offset from the
8636         base.
8637         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8638         (vect_update_init_of_dr): Likewise.
8639         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8640         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8641         removed fields.
8642         (new_loop_vec_info): Initialize new fields.
8643         (destroy_loop_vec_info): Free new fields.
8644         (vect_strip_conversion): Remove.
8645         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8646         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8647         datarefs. Add new field ddrs.
8648         Add macros for the new fields access.
8649         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8650         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8651         Remove their macros.
8652         * tree.h (highest_pow2_factor): Declare.
8654 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8656         * calls.c (store_one_arg): Check for sibling call MEM arguments
8657         from already clobbered incoming argument area.
8659 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8661         * c-common.c (check_missing_format_attribute): New.
8662         * c-common.h (check_missing_format_attribute): Likewise.
8663         * c-typeck.c (convert_for_assignment): Use it.
8665 2005-07-24  Andreas Schwab  <schwab@suse.de>
8667         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8668         register use a word move.  Correct operand of ext.w in 68000 code.
8670 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8672         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8673         variables as declarations, rather than definitions.
8675 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8677         PR tree-optimization/22526
8678         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8679         of the zero node.
8681 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8683         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8684         that C99 reserve for future use. Use it to define clog10,
8685         clog10f and clog10l.
8687 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8689         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8690         * configure.ac: Check for -Wmissing-format-attribute.
8692         * configure: Regenerate.
8694 2005-07-23  Richard Henderson  <rth@redhat.com>
8696         PR tree-optimization/22623
8697         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8699 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8701         PR target/22577
8702         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8704 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8706         * Makefile.in (C_TREE_H): Update dependencies.
8707         * c-tree.h: Include toplev.h.
8708         * diagnostic.h (diagnostic_set_info): Add format attribute.
8709         * rtl-error.c (diagnostic_for_asm): Likewise.
8711 2005-07-23  Chao-ying Fu  <fu@mips.com>
8713         * config/mips/mips-dsp.md: New file.
8714         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8715         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8716         functions.
8717         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8718         MIPS_BUILTIN_BPOSGE32.
8719         (mips_expand_builtin_direct): Add one parameter to indicate that
8720         builtin functions need to return a value.
8721         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8722         functions.
8723         (mips_regno_to_class): Add classes for 12 new DSP registers.
8724         (mips_subword): Change to check four HI registers.
8725         (mips_output_move): Output move to and from 6 new DSP accumulators.
8726         (override_options): Make sure -mdsp and -mips16 are not used together.
8727         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8728         for machine modes.
8729         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8730         when !TARGET_DSP.
8731         (print_operand): Add 'q' for printing DSP accumulators.
8732         (mips_cannot_change_mode_class): Check ACC_REGS.
8733         (mips_secondary_reload_class): Check ACC_REGS.
8734         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8735         (mips_register_move_cost): Check ACC_REGS.
8736         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8737         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8738         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8739         (dsp_bdesc): New array.
8740         (bdesc_arrays): Add DSP builtin function table.
8741         (mips_prepare_builtin_arg): Check predicate again after
8742         copy_to_mode_reg.
8743         (mips_expand_builtin): Add one more parameter to
8744         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8745         MIPS_BUILTIN_BPOSGE32.
8746         (mips_init_builtins): Initialize new function types.
8747         (mips_expand_builtin_direct): Check if builtin functions need to
8748         return a value and pass operands properly.
8749         (mips_expand_builtin_bposge): New function.
8750         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8751         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8752         (FIRST_PSEUDO_REGISTER): Increase to 188.
8753         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8754         Update for 12 new DSP registers.
8755         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8756         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8757         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8758         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8759         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8760         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8761         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8762         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8763         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8764         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8765         (REGISTER_NAMES): Add names for 12 new DSP registers.
8766         * config/mips/mips.md: Include mips-dsp.md.
8767         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8768         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8769         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8770         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8771         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8772         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8773         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8774         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8775         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8776         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8777         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8778         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8779         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8780         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8781         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8782         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8783         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8784         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8785         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8786         (UNSPEC_RDDSP): New constants.
8787         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8788         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8789         A<-d alternative.
8790         * config/mips/mips.opt (-mdsp): New option.
8791         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8792         (reg_imm10_operand): New predicates.
8793         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8794         * doc/invoke.texi (-mdsp): Document new option.
8796 2005-07-22  DJ Delorie  <dj@redhat.com>
8798         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8799         to warning calls.
8800         * tree-inline.c (inlinable_function_p): Likewise.
8802 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8804         PR debug/21828
8805         * toplev.c (check_global_declarations): Do not mark undefined
8806         variables as DECL_IGNORED_P.
8807         * varasm.c (first_global_object_name): GTY it.
8808         (weak_global_object_name): Likewise.
8809         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8810         a string to go into {weak,first}_global_object_name.
8812 2005-07-22  DJ Delorie  <dj@redhat.com>
8814         * c-format.c (check_function_format): Change warning control
8815         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8817 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8819         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8820         &PTR->FLD a dereference of PTR.
8821         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8822         a potential dereference of PTR.
8824 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8826         PR rtl-optimization/20370
8827         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8828         call allocate_reg_info if necessary.
8830         PR rtl-optimization/21848
8831         * calls.c (emit_library_call_value_1): For const functions, add
8832         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8834         PR rtl-optimization/22445
8835         * cselib.c (target.h): Include.
8836         (rtx_equal_for_cselib_p): Allow commutative matches.
8837         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8838         Remove MODE parameter.  Changed all callers.
8840         PR rtl-optimization/22258
8841         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8842         New functions.
8843         (try_combine): Use likely_spilled_retval_p.
8845 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8847         * config.gcc: Add crx-elf support.
8849         * doc/contrib.texi: Mention crx.
8850         * doc/extend.texi: Document crx extensions.
8851         * doc/install.texi: Document crx install.
8852         * doc/invoke.texi: Document crx options.
8853         * doc/md.texi: Document crx constraints.
8855         * config/crx/crx-protos.h: New file.
8856         * config/crx/crx.c: New file.
8857         * config/crx/crx.h: New file.
8858         * config/crx/crx.md: New file.
8859         * config/crx/crx.opt: New file.
8860         * config/crx/t-crx: New file.
8862 2005-07-22  Manfred Hollstein  <mh@suse.com>
8864         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8865         warnings.
8866         (int_add_graph_edge): Likewise.
8867         (collapse_nodes): Likewise.
8868         (process_unification_queue): Likewise.
8870 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8871             Laurent GUERBY  <laurent@guerby.net>
8873         PR tree-optimization/22336
8874         * function.c (record_block_change): Check for
8875         cfun->ib_boundaries_block.
8877 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
8879         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8880         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8882 2005-07-21  DJ Delorie  <dj@redhat.com>
8884         * toplev.c (warn_deprecated_use): Add warning control to warning
8885         call.
8886         * c-typeck.c (parser_build_binary_op): Likewise.
8887         (c_finish_if_stmt): Likewise.
8888         * c-common.c (check_function_sentinel): Likewise.
8889         (check_nonnull_arg): Likewise.
8891 2005-07-21  Richard Henderson  <rth@redhat.com>
8893         PR tree-opt/22504
8894         * tree-complex.c (complex_ssa_name_components): New.
8895         (cvc_lookup): Allow entry not found.
8896         (create_components): Remove.
8897         (create_one_component_var, get_component_var): New.
8898         (get_component_ssa_name, set_component_ssa_name): New.
8899         (extract_component): Use get_component_ssa_name.
8900         (update_complex_components): Use set_component_ssa_name.
8901         (update_complex_components_on_edge): Likewise.
8902         (update_phi_components): Create new PHI nodes directly, instead
8903         of adding insns to edges.
8904         (tree_lower_complex): Allocate and free complex_variable_components
8905         and complex_ssa_name_components here.
8907 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
8909         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8910         revert to returning false.
8912 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8914         PR target/21149
8915         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8917 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8919         PR target/22576
8920         * config/i386/i386.md (cmpxf): Change operand constraints
8921         to "nonmemory_operand".
8923 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8925         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8927 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8929         PR middle-end/21180
8930         * fold-const.c (fold_build1): Add checksum for the operands.
8931         (fold_build2): Likewise.
8932         (fold_build3): Likewise.
8934 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8936         PR middle-end/19055
8937         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8939 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8941         * common.opt (-fforward-propagate): Committed by mistake,
8942         removed.
8944 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8946         * reg-stack.c: Fix comment typo(s).
8947         * tree-ssa-operands.c: Likewise.
8948         * tree-vectorizer: Likewise.
8950 2005-07-21  Nick Clifton  <nickc@redhat.com>
8952         * config/sh/symbian.c: Replace C++ style line comments with C
8953         style line comments.
8954         (symbian_add_attribute): Do not use a ? operator on the LHS of
8955         an assignment.
8956         (sh_symbian_handle_dll_attribute): Change the type of the
8957         method vector to "VEC(tree,gc)*" and use vector accessor
8958         macros to walk over the elements.
8959         (symbian_export_vtable_and_rtti_p): Likewise.
8960         (symbian_class_needs_attribute_p): Likewise.
8962 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8964         PR target/22085
8965         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8966         initialize targetm.resolve_overloaded_builtin here.
8967         (altivec_expand_overloaded_builtin): Make it non-static.
8968         * config/rs6000/rs6000-protos.h
8969         (altivec_expand_overloaded_builtin): New prototype.
8970         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8971         targetm.resolve_overloaded_builtin here.
8972         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8974 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8975             Zdenek Dvorak  <dvorakz@suse.cz>
8977         PR tree-optimization/19210
8978         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8979         New.
8980         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8981         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8982         rely on unproven assumptions.
8983         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8984         * tree-flow.h (number_of_iterations_exit): Add final parameter.
8985         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8986         to number_of_iterations_exit.
8987         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8988         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8989         * tree-ssa-loop-niter.c (find_loop_niter,
8990         estimate_numbers_of_iterations_loop): Likewise.
8991         (number_of_iterations_exit): Honor the new options.
8992         * doc/invoke.texi (Wunsafe-loop-optimizations,
8993         funsafe-loop-optimizations): Document them.
8995 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
8997         PR rtl-optimization/22167
8998         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9000 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9002         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9003         __do_global_dtors_aux longcall.
9005 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9007         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9008         (old_special_pred_table): Don't reference
9009         SPECIAL_MODE_PREDICATES.
9010         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9011         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9012         * config/sh/predicates.h: Don't mention
9013         SPECIAL_MODE_PREDICATES.
9014         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9015         Remove.
9017 2005-07-20  DJ Delorie  <dj@redhat.com>
9019         * config.gcc: Add m32c-elf support.
9021         * doc/contrib.texi: Mention m32c.
9022         * doc/extend.texi: Document m32c extensions.
9023         * doc/install.texi: Mention m32c.
9024         * doc/invoke.texi: Document m32c options.
9025         * doc/md.texi: Document m32c constraints.
9027         * config/m32c/addsub.md: New file.
9028         * config/m32c/bitops.md: New file.
9029         * config/m32c/cond.md: New file.
9030         * config/m32c/jump.md: New file.
9031         * config/m32c/m32c-lib1.S: New file.
9032         * config/m32c/m32c-lib2.c: New file.
9033         * config/m32c/m32c-modes.def: New file.
9034         * config/m32c/m32c-pragma.c: New file.
9035         * config/m32c/m32c-protos.h: New file.
9036         * config/m32c/m32c.abi: New file.
9037         * config/m32c/m32c.c: New file.
9038         * config/m32c/m32c.h: New file.
9039         * config/m32c/m32c.md: New file.
9040         * config/m32c/m32c.opt: New file.
9041         * config/m32c/minmax.md: New file.
9042         * config/m32c/mov.md: New file.
9043         * config/m32c/muldiv.md: New file.
9044         * config/m32c/predicates.md: New file.
9045         * config/m32c/prologue.md: New file.
9046         * config/m32c/shift.md: New file.
9047         * config/m32c/t-m32c: New file.
9049 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9051         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9052         (stack_protect_set, stack_protect_test): New expanders.
9053         (stack_protect_set_si, stack_protect_set_si_media,
9054         stack_protect_set_di_media, stack_protect_test_si,
9055         stack_protect_test_si_media, stack_protect_test_di_media):
9056         New insns.
9058 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9060         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9062 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9064         * tree.h (tree_expr_nonzero_p): Export.
9065         * fold-const.c (tree_expr_nonzero_p): Likewise.
9066         Return true for CALL_EXPRs that are alloca calls.
9067         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9068         against zero.
9069         * tree-flow.h (expr_computes_nonzero): Remove.
9070         * tree-vrp.c (expr_computes_nonzero): Remove.
9071         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9072         (extract_range_from_unary_expr): Likewise.
9073         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9074         tree_expr_nonzero_p.
9076 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9078         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9079         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9080         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9081         All callers changed.
9082         (frame_related_constant_load): New arg "related" which controls
9083         setting of RTX_FRAME_RELATED_P.  All callers changed.
9084         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9085         (bfin_expand_prologue): Add stack limit checking.
9086         * config/bfin/bfin.md (trapifcc): New pattern.
9088         * config/bfin/bfin.c: Include "langhooks.h".
9089         (def_builtin): Go through lang_hooks to call builtin_function.
9091         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9092         * config/bfin/predicates.md (symbol_ref_operand): New.
9093         (call_insn_operand): Delete.  All callers changed to use
9094         register_no_elim_operand.
9095         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9096         call_cookie field.
9097         (function_arg): Use it to generate the call's operand 2.
9098         (bfin_longcall_p): New function.
9099         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9100         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9101         determine if the address needs to be in a REG.
9102         (bfin_handle_longcall_attribute): New function.
9103         (bfin_attribute_table): Add "longcall" and "shortcall".
9104         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9105         (CUMULATIVE_ARGS): New member call_cookie.
9106         (PREDICATE_CODES): Add symbol_ref_operand.
9107         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9108         extra USE to the pattern.
9109         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9110         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9111         sibcall_value_insn; now the new patterns handle direct calls and the
9112         old ones indirect calls.
9113         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9115 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9117         * doc/trouble.texi: Update section on handling of empty loops.
9119 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9121         * config.gcc: Remove support for sparc-*-openbsd*,
9122         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9123         ns32k-*-netbsd*.
9124         * config.host: Remove support for i860-*-sysv4* as a host.
9125         * config/i860/*, config/ip2k/*, config/ns32k/*,
9126         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9127         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9128         mention obsolete ports.
9130 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9132         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9133         soft frame pointer.
9134         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9135         of frame_pointer_rtx.
9136         (sh_expand_epilogue): Likewise.
9137         (sh_set_return_address): Likewise.
9138         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9139         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9140         offsets from FRAME_POINTER_REGNUM.
9141         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9142         (sh_register_names): Add initializer for sfp.
9143         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9144         (VALID_REGISTER_P): Likewise.
9145         (FIRST_PSEUDO_REGISTER): Update.
9146         (DWARF_FRAME_REGISTERS): Define.
9147         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9148         (HARD_FRAME_POINTER_REGNUM): Define.
9149         (FRAME_POINTER_REGNUM): Redefine.
9150         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9151         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9152         from FRAME_POINTER_REGNUM.
9153         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9154         FRAME_POINTER_REGNUM.
9155         (REG_CLASS_CONTENTS): Add sfp.
9156         (REG_ALLOC_ORDER): Likewise.
9157         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9158         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9159         of frame_pointer_rtx.
9160         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9162 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9164         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9165         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9166         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9167         of an ABS_EXPR.
9168         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9169         ABS_EXPR<x>.
9171 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9173         Make CONSTRUCTOR use VEC to store initializers.
9174         * c-common.c (complete_array_type): Update to cope with VEC in
9175         CONSTRUCTOR_ELTS.
9176         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9177         (pp_c_constructor_elts): New function.
9178         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9179         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9180         struct constructor_stack, struct initializer_stack,
9181         constructor_elements, push_init_level, pop_init_level,
9182         add_pending_init, find_init_member, output_init_element): Update to
9183         cope with VEC in CONSTRUCTOR_ELTS.
9184         * coverage.c (build_fn_info_value, build_ctr_info_value,
9185         build_gcov_info): Likewise.
9186         * expr.c (categorize_ctor_elements_1, store_constructor,
9187         expand_expr_real_1): Likewise.
9188         * fold-const.c (fold_ternary): Likewise.
9189         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9190         gimplify_init_constructor, gimplify_expr): Likewise.
9191         * tree-dump.c (dequeue_and_dump): Likewise.
9192         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9193         node.
9194         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9195         CONSTRUCTOR_ELTS.
9196         * tree-sra.c (generate_element_init_1): Likewise.
9197         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9198         * tree-ssa-operands.c (get_expr_operands): Likewise.
9199         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9200         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9201         (get_initial_def_for_reduction): Likewise.
9202         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9203         value handle in annotations.
9204         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9205         tree_node_structure): Add support for constr_kind.
9206         (build_vector_from_ctor, build_constructor_single,
9207         build_constructor_from_list): New functions.
9208         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9209         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9210         Update to cope with VEC in CONSTRUCTOR_ELTS.
9211         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9212         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9213         CONSTRUCTOR_APPEND_ELT): New macros.
9214         (struct constructor_elt, struct tree_constructor): New data types.
9215         (union tree_node): Add tree_constructor field.
9216         * treestruct.def: Define TS_CONSTRUCTOR.
9217         * varasm.c (const_hash_1, compare_constant, copy_constant,
9218         compute_reloc_for_constant, output_addressed_constants,
9219         initializer_constant_valid_p, output_constant,
9220         array_size_for_constructor, output_constructor): Update to cope with
9221         VEC in CONSTRUCTOR_ELTS.
9222         * vec.h (VEC_empty, VEC_copy): New macros.
9224 2005-07-19  Devang Patel  <dpatel@apple.com>
9226         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9228 2005-07-19  Richard Henderson  <rth@redhat.com>
9230         PR tree-opt/22278
9231         * gimplify.c (gimplify_expr): Use main variant type for the temp
9232         destination for a discarded volatile read.
9233         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9234         casts between non-void types that change volatility.
9236 2005-07-15  DJ Delorie  <dj@redhat.com>
9238         * toplev.h: Add comment about the first parameter for warning().
9239         * errors.h: Likewise.
9241         * c.opt (Wpragmas): New.
9242         * doc/invoke.texi: Document it.
9244         * function.c (do_warn_unused_parameter): Add warning control to
9245         warning call.
9246         * c-decl.c (warn_if_shadowing): Likewise.
9247         * c-lex.c (cb_def_pragma): Likewise.
9248         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9249         (pop_alignment): Likewise.
9250         (handle_pragma_pack): Likewise.
9251         (apply_pragma_weak): Likewise.
9252         (handle_pragma_weak): Likewise.
9253         (handle_pragma_redefine_extname): Likewise.
9254         (add_to_renaming_pragma_list): Likewise.
9255         (handle_pragma_extern_prefix): Likewise.
9256         (maybe_apply_renaming_pragma): Likewise.
9257         (handle_pragma_visibility): Likewise.
9259         * config/c4x/c4x-c.c (BAD): Likewise.
9260         (c4x_parse_pragma): Likewise.
9261         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9262         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9263         (rs6000_pragma_longcall): Likewise.
9264         * config/v850/v850-c.c (pop_data_area): Likewise.
9265         (ghs_pragma_section): Likewise.
9266         (ghs_pragma_section): Likewise.
9267         (ghs_pragma_interrupt): Likewise.
9268         (ghs_pragma_starttda): Likewise.
9269         (ghs_pragma_startsda): Likewise.
9270         (ghs_pragma_startzda): Likewise.
9271         (ghs_pragma_endtda): Likewise.
9272         (ghs_pragma_endsda): Likewise.
9273         (ghs_pragma_endzda): Likewise.
9275 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9276             Kenneth Zadeck <zadeck@naturalbridge.com>
9278         * Makefile.in: Removed tree-promote-statics.c
9279         * tree-promote-statics.c: Removed.
9280         * common.opt: Removed flag-promote-statics.
9281         * opts.c: Ditto.
9282         * passes.c: Removed tree-promote-statics pass.
9283         * tree-pass.h: Ditto.
9284         * timevar.def: Removed TV_PROMOTE_STATICS.
9287 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9289         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9290         and *-*-freebsd9.
9291         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9293 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9295         PR c/22476
9296         * c-common.c (check_function_arguments): Call
9297         'check_function_format' if either -Wformat or
9298         -Wmissing-format-attribute are specified.
9299         * c-format.c (check_function_format): Check -Wformat before
9300         calling 'check_format_info'.
9301         * c-opts.c (c_common_post_options): Don't warn for
9302         -Wmissing-format-attribute without -Wformat.
9303         * c-typeck.c (convert_for_assignment): Detect additional cases for
9304         -Wmissing-format-attribute.
9305         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9306         behavior.
9308 2005-07-19  Richard Guenther  <rguenther@suse.de>
9310         * config/i386/i386.md (lrint<mode>2): Use temporary
9311         instead of clobbering non-existent memory.
9313 2005-07-19  Nick Clifton  <nickc@redhat.com>
9315         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9316         statement to avoid displaying ASCII control characters.
9318 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9320         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9321         * cfganal.c (find_edge_index): Ditto.
9322         * combine.c (combine_instructions): Ditto.
9323         * ddg.c (create_scc): Ditto.
9324         (find_successors): Ditto.
9325         (find_predecessors): Ditto.
9326         (find_nodes_on_paths): Ditto.
9327         (longest_simple_path): Ditto.
9328         * flow.c (update_life_info): Ditto.
9329         (count_or_remove_death_notes): Ditto.
9330         (clear_log_links): Ditto.
9331         * modulo-sched.c (generate_reg_moves): Ditto.
9332         (find_max_asap): Ditto.
9333         (find_max_hv_min_mob): Ditto.
9334         (find_max_dv_min_mob): Ditto.
9335         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9336         * sched-rgn.c (extract_edgelst): Ditto.
9337         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9338         (dump_update_ssa): Ditto.
9339         (ssa_names_to_replace) Ditto.
9340         (switch_virtuals_to_full_rewrite): Ditto.
9341         (update_ssa): Ditto.
9342         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9344 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9346         Fix PR tree-optimization/22483
9348         * tree-complex.c (create_components): Use
9349         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9350         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9351         * tree-flow.h (safe_referenced_var_iterator): New structure.
9352         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9353         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9354         safe_referenced_var iterator.
9355         (add_type_alias): Ditto.
9357 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9359         * loop-init.c (rest_of_handle_loop2): Remove.
9360         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9361         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9362         (pass_rtl_loop_init, pass_rtl_loop_done,
9363         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9364         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9365         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9366         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9367         pass_tree_loop_done, and pass_tree_unswitch.
9368         (gate_loop): Rename to gate_tree_loop.
9369         * passes.c (init_optimization_passes): Update for renamed tree
9370         loop passes.  Add the new loop2 passes as subpasses of loop2.
9371         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9372         Update for the renamed tree loop passes.
9374 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9376         PR middle-end/22057
9377         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9378         blocks when optimizing.
9380 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9382         * common.opt (frename-registers): Initialize to 2.
9383         (fweb): Ditto.
9384         (fgcse-after-reload): Ditto.
9385         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9386         (process_options): Only change flag_web, flag_rename_registers,
9387         and flag_rerun_cse_after_loop if not explicitly set by user.
9389 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9391         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9392         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9393         in 64-bit mode the same as DImode in 32-bit mode.
9394         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9395         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9396         mode. Add new mode parameter.
9397         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9398         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9399         x86_64_shift_adj): New expanders.
9400         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9401         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9402         insns.
9403         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9404         DImode shift splitters.
9405         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9406         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9407         mode parameter.
9409 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9411         * i386.md (movdi_extzv_1): New.
9412         (zero_extendhidi2): Combine alternatives and never force use of
9413         REX64 prefix.
9414         (zero_extendqidi2): Likewise. Don't restrict input selection.
9416 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9418         Fix PR tree-optimization/22531
9419         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9420          moment.
9422 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9424         * tree-promote-statics.c (pass_promote_statics): Change dump file
9425          name.
9427 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9429         * tree-optimize.c (init_tree_optimization_passes): Add
9430         pass_eliminate_useless_stores pass.
9431         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9432         * tree-ssa-pre.c (is_copy_stmt): New function.
9433         (follow_copies_till_vuse): Ditto.
9434         (do_eustores): Ditto.
9435         (gate_eustores): Ditto.
9437 2005-07-16  Richard Henderson  <rth@redhat.com>
9439         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9441 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9442            Kenneth Zadeck <zadeck@naturalbridge.com>
9444         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9445         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9446         ipa-type-escape.h, tree-promote-statics.c
9447         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9448         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9449         tree-promote-statics.c: new files.
9450         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9451         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9452         int nonlocal_set_p, mark_constant_function): Deleted.
9453         (rest_of_handle_cfg): Removed call to mark_constant_function.
9454         (nonoverlapping_component_refs_p): Added calls to support
9455         type based aliasing.
9456         * tree-ssa-alias.c (may_alias_p,
9457         compute_flow_insensitive_aliasing): Ditto.
9458         * calls.c (flags_from_decl_or_type): Removed reference to
9459         cgraph_rtl_info.
9460         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9461         too many arguments.  This is necessary for Spec 2000.
9462         * cgraph.h (const_function, pure_function): Removed.
9463         * common.opt: Added "fipa-pure-const", "fipa-reference",
9464         "fipa-type-escape", and "ftree-promote-static".
9465         * opts.c: Ditto.
9466         * passes.c: Added ipa and tree-promote-statics passes.
9467         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9468         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9469         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9470         * tree-flow.h: Added exposed sra calls and addition of
9471         reference_vars_info field for FUNCTION_DECLS.
9472         * tree-pass.h: Added passes.
9473         * tree-sra.c: (sra_init_cache): New function.
9474         (sra_insert_before, sra_insert_after) Made public.
9475         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9476         and made public.
9477         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9478         aliasing. (may_alias_p): Added code to use type escape analysis to
9479         improve alias sets.
9480         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9481         code to prune clobbers of static variables based on information
9482         produced in ipa-reference pass.  Changed call clobbering so that
9483         statics are not marked as clobbered if the call does not clobber
9484         them.
9486 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9488         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9489         too.
9491 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9493         * doc/install.texi (*-*-solaris2*): Document recommended version
9494         of GNU binutils and mention GNU linker problem on Solaris 10.
9496 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9498         PR c/22421
9499         * c-decl.c (c_build_bitfield_integer_type): New function.
9500         (finish_struct): Call it.
9501         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9503 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9505         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9506         before returning.
9508 2005-07-16  Jan Hubicka  <jh@suse.cz>
9510         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9511         (scale_bbs_frequencies_int): Watch roundoff errors.
9512         * predict.c (return_prediction): Initialize return_stmt.
9514 2005-07-16  Jan Hubicka  <jh@suse.cz>
9516         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9517         after RTL profiling.
9519 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9521         PR middle-end/22398
9522         * fold-const.c (build_range_check): Convert high/low to etype
9523         if we are only comparing against exp.
9525 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9527         Fix PR tree-optimization/22376
9528         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9529         special var here.
9530         (need_to_solve): New function.
9531         (compute_points_to_sets): Use it.
9533 2005-07-15  Jan Hubicka  <jh@suse.cz>
9535         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9536         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9538 2005-07-15  Richard Guenther  <rguenther@suse.de>
9540         * c-common.c (handle_flatten_attribute): New function.
9541         Add flatten function attribute.
9542         * doc/extend.texi: Document flatten function attribute.
9543         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9544         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9545         New functions.
9546         (cgraph_decide_inlining): Handle functions with flatten
9547         attribute.
9549 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9551         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9552         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9553         UNSPEC_XCHG, UNSPEC_AND): New.
9554         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9555         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9556         * config/rs6000/sync.md (FETCHOP): New code macro.
9557         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9558         New code attrs.
9559         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9560         (sync_compare_and_swap<mode>): Same.
9561         (sync_lock_test_and_set<mode>): Same.
9562         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9563         for QImode and HImode, and not PPC405.
9564         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9565         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9566         (sync_<fetchop>{si,di}_internal): New.
9567         (sync_nand{si,di}_internal): New.
9568         (sync_old_<fetchop>{si,di}_internal): New.
9569         (sync_old_nand{si,di}_internal): New
9570         (sync_new_<fetchop>{si,di}_internal): New.
9571         (sync_new_nand{si,di}_internal): New.
9572         (atomic_and{si,di}): New.
9573         (sync_new_nand{si,di}_internal): New.
9574         (atomic_and{si,di}): New.
9575         (sync_add<mode>_internal): Delete.
9576         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9577         (sync_sub<mode>_internal): Delte.
9578         (sync_subshort_internal): New.
9579         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9580         (sync_anddi_internal): Delete.
9581         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9582         (sync_booldi_internal): Delete.
9583         (sync_boolc<mode>_internal): Delete.
9584         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9585         (sync_boolc<mode>_internal2): Delete.
9586         (sync_boolcc<mode>_internal): Delete.
9587         (isync, lwsync): Use unspec instead of unspec_volatile.
9588         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9589         Revert UNSPEC_VOLATILE.
9590         (rs6000_split_atomic_op): New.
9591         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9593 2005-07-14  Eric Christopher  <echristo@redhat.com>
9595         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9596         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9598 2005-07-14  Eric Christopher  <echristo@redhat.com>
9600         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9602 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9604         PR tree-optimization/22230
9605         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9606         the computation of the four cross productions for "range op range".
9608 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9609             Ulrich Weigand  <uweigand@de.ibm.com>
9611         PR target/20126
9612         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9613         in some insn.
9615 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9617         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9619 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9621         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9623 2005-07-14  Richard Guenther  <rguenther@suse.de>
9625         PR middle-end/22347
9626         * config/i386/i386-protos.h (ix86_function_value): Change
9627         prototype to match new target hook.
9628         * config/i386/i386.c (ix86_value_regno): Change prototype
9629         to take extra type argument.
9630         (TARGET_FUNCTION_VALUE): Define.
9631         (ix86_function_ok_for_sibcall): Pass extra argument to
9632         ix86_value_regno, check return slot rtx for exact match.
9633         (ix86_function_value): Take extra parameter.  Dispatch to
9634         ix86_value_regno with fndecl/fntype as provided.
9635         (ix86_value_regno): Handle extra type argument.
9636         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9638         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9639         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9640         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9641         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9642         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9644 2005-07-14  Richard Guenther  <rguenther@suse.de>
9646         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9647         * calls.c (expand_call): Pass fntype to hard_function_value.
9648         (emit_library_call_value_1): Likewise.
9649         * explow.c: Include target.h.
9650         (hard_function_value): Take extra argument, the fntype.
9651         Use new target hook for function_value.
9652         * expr.h (hard_function_value): Change prototype.
9653         * function.c (aggregate_value_p): Pass 0 as fntype to
9654         hard_function_value.
9655         (assign_parms): Use new target hook for function_value.
9656         Pass 0 as fntype to hard_function_value.
9657         (expand_function_end): Likewise.
9658         * reg-stack.c: Include target.h.
9659         (stack_result): Use new target hook for function_value.
9660         * target-def.h: New target hook function_value.
9661         * target.h: Likewise.
9662         * targhooks.c (default_function_value): New function.
9663         * targhooks.h (default_function_value): Declare.
9665 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9667         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9669 2005-07-14  Jan Hubicka  <jh@suse.cz>
9671         * tree-dfa.c (dump_variable): Use default_def function.
9672         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9673         * tree-ssa.c (verify_use): Likewise.
9674         * tree-ssanames.c (release_ssa_name): Likewise.
9675         * tree-tailcall.c (eliminate_tail_call): Likewise.
9676         (tree_optimize_tail_calls_1): Likewise.
9677         * tree-vrp.c (get_value_range): Likewise.
9679 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9681         * gcc.c (main): Compare language[0] with '*' when iterating over
9682         the infiles.
9684 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9686         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9687         "s390_emit_compare".  Add handling of CCZ1mode.
9688         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9689         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9690         checking.
9691         (s390_branch_condition_mask): Add CCZ1mode handling.
9692         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9693         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9694         Use CCZ1mode instead of CCZmode.
9695         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9697 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9699         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9700         pattern.
9701         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9703 2005-07-13  Eric Christopher  <echristo@redhat.com>
9705         * config/mips/mips.c (mips_canonicalize_comparison): New.
9706         (mips_emit_int_relational): Use.
9708 2005-07-13  Eric Christopher  <echristo@redhat.com>
9710         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9711         static extra parts.
9712         * config/s390/s390.md: Include tpf.md. Move tpf specific
9713         patterns...
9714         * config/s390/tpf.md: To here.
9715         * config/s390/s390.opt: Move tpf specific options...
9716         * config/s390/tpf.opt: to here. Add mmain option.
9717         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9718         * config/s390/tpf.h: Rewrite.
9720 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9722         * doc/tm.texi: Remove @xref{Cross-profiling}.
9724 2005-07-13  Jeff Law  <law@redhat.com>
9726         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9727         expressions, test their _DECL operands for pointer equality rather
9728         than using operand_equal_p.
9730 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9732         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9733         (TARGET_POSIX_IO): This.
9734         * config/darwin.h: Likewise.
9735         * config/freebsd.h: Likewise.
9736         * config/linux.h: Likewise.
9737         * config/lynx.h: Likewise.
9738         * config/netbsd.h: Likewise.
9739         * config/rs6000/linux64.h: Likewise.
9740         * config/rs6000/linux.h: Likewise.
9741         * config/s390/tpf.h: Likewise.
9742         * config/sh/embed-elf.h: Likewise.
9743         * config/sparc/linux64.h: Likewise.
9744         * config/sparc/linux.h: Likewise.
9745         * config/svr4.h: Likewise.
9746         * gcov-io.h: Likewise.
9748         * doc/tm.texi: Updated.
9750         * libgcov.c (create_file_directory): Defined only if
9751         TARGET_POSIX_IO is defined.
9752         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9753         is defined.
9755 2005-07-13  Jan Hubicka  <jh@suse.cz>
9757         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9759 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9761         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9762         structure as argument.
9764 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9766         PR tree-optimization/21921
9767         * tree-iterator.c (tsi_link_before): Support the case when
9768         tsi_end_p (tsi) == true.
9770 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9772         PR tree-optimization/22442
9773         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9774         correctly.
9776 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9778         PR rtl-optimization/20376
9779         * toplev.c (process_options): Enable -fweb and -frename-registers when
9780         unrolling.
9781         * doc/invoke.texi: Update the information about when -fweb and
9782         -frename-registers are enabled.
9784 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9786         PR tree-opt/21840
9787         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9788         if *rhs_p is not a SSA_NAME.
9790 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9792         Fix PR tree-optimization/22422
9793         * tree-ssa-structalias.c (struct variable_info): Add flag for
9794         special vars.
9795         (get_varinfo): Now a static function.
9796         (new_varinfo): init has_union and is_special_var to false.
9797         (solution_set_add): Check has_union.
9798         (do_da_constraint): Move temporary variable so it gets reset
9799         properly.
9800         Also check for special variable.
9801         (do_ds_constraint): Ditto.
9802         (do_sd_constraint): Ditto.
9803         (do_structure_copy): Check for special variable.
9804         (find_func_aliases): Ditto.
9805         (init_base_vars): Set special vars properly.
9807 2005-07-13  Jan Hubicka  <jh@suse.cz>
9809         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9810         do unit-at-a-time.
9812         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9813         (get_expr_operands): Fix thinko wrt flags and subvars.
9815         PR tree-optimize/22379
9816         * tree-inline.c (expand_call_inline): Do not output sorry in early
9817         inlining.
9819 2005-07-12  Dale Johannesen  <dalej@apple.com>
9821         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9823 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9825         PR bootstrap/21704
9826         * host-linux.h: Include limits.h.
9828 2005-07-12  Dale Johannesen  <dalej@apple.com>
9830         * expr.c (compress_float_constant):  Add cost check.
9831         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9833 2005-07-12  Dale Johannesen  <dalej@apple.com>
9835         * gcc.target/i386/compress-float-sse.c:  New.
9836         * gcc.target/i386/compress-float-sse-pic.c:  New.
9837         * gcc.target/i386/compress-float-387.c:  New.
9838         * gcc.target/i386/compress-float-387-pic.c:  New.
9839         * gcc.dg/compress-float-ppc.c:  New.
9840         * gcc.dg/compress-float-ppc-pic.c:  New.
9842 2005-07-12  Eric Christopher  <echristo@redhat.com>
9844         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9845         static extra parts.
9846         * config/s390/s390.md: Include tpf.md. Move tpf specific
9847         patterns...
9848         * config/s390/tpf.md: To here.
9849         * config/s390/s390.opt: Move tpf specific options...
9850         * config/s390/tpf.opt: to here. Add mmain option.
9851         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9852         * config/s390/tpf.h: Rewrite.
9854 2005-07-12  Eric Christopher  <echristo@redhat.com>
9856         * gcc.c (struct infile): Update comment for language.
9857         (main): Rewrite input file resetting code.
9859 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9861         PR tree-opt/22335
9862         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9863         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9864         (lookup_avail_expr): Use constant_boolean_node instead
9865         of boolean_false_node/boolean_true_node.
9867 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9869         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9870         and use it when printing num_edges.
9872 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9874         * doc/extend.texi (Blackfin Built-in Functions): New section.
9875         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9876         @opindex.
9878 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
9880         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9881         s/cmpstrsi/cmpstrnsi
9882         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9883         'cmpstrnsi'.
9884         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9885         (init_optabs): Initialize cmpstrn_optab.
9886         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9887         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9888         * expr.c: (enum insn_code cmpstrn_optab): Declare.
9889         * config/i386/i386.md: s/cmpstr/cmpstrn
9890         * config/c4x/c4x.md: s/cmpstr/cmpstrn
9891         * doc/md.texi: Update documentation.
9893 2005-07-11  Richard Henderson  <rth@redhat.com>
9895         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9896         build_va_arg_indirect_ref.
9897         (alpha_gimplify_va_arg): Likewise.
9898         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9899         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9900         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9901         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9902         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9903         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9904         Likewise.
9905         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9907 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9909         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9910         * passes.c (init_optimization_passes): Add pass_empty_loop.
9911         * tree-pass.h (pass_empty_loop): Declare.
9912         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9913         try_remove_empty_loop, remove_empty_loops): New functions.
9914         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9915         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9917 2005-07-12  Peter Barada  <peter@the-baradas.com>
9919         PR middle-end/16719
9920         PR middle-end/18421
9921         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9922         in address registers.
9923         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9924         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9925         alternative of addsi3_5200.
9927 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9929         * config/mips/mips.md (ffs<mode>2): Remove.
9931 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9933         * doc/tree-ssa.texi (Cleanups): Improve description of
9934         TRY_FINALLY_EXPR.
9935         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9937 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9939         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9940         * tree.h (DECL_ARGUMENT_FLD): New macro.
9942 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9944         Fix PR tree-optimization/22404
9946         * tree-ssa-structalias.c (create_variable_info_for): Use
9947         correct offset.
9949 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9951         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9952         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9953         for second comparison operand.
9954         * config/bfin/predicates.md (reg_or_const_int_operand): New.
9956         * config/bfin/bfin.md (define_attr "type"): Add "sync".
9957         (define_insn_reservation "alu"): Likewise.
9958         (csync, ssync): Now of type sync.
9959         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9960         -mcsync-anomaly -mspecld-anomaly.
9961         * config/bfin/bfin.opt (mcsync): Remove.
9962         (mcsync-anomaly, mspecld-anomaly): Add.
9963         * config/bfin/bfin.c: Include "insn-codes.h".
9964         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9965         (TARGET_DEFAULT_TARGET_FLAGS): New.
9966         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9968 2005-07-11  Steven Bosscher  <stevenb@suse.de>
9970         * basic-block.h: Give the BB flags enum a name, bb_flags.
9971         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9972         * cfgcleanup.c (enum bb_flags): Remove here.
9973         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9974         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9975         (update_forwarder_flag): Likewise.
9976         (thread_jump): Likewise.
9977         (try_forward_edges): Likewise.
9978         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
9979         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
9980         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9982 2005-07-11  Richard Guenther  <rguenther@suse.de>
9984         * config/i386/i386.opt: New target option -msseregparm.
9985         * config/i386/i386.c (override_options): Error out for
9986         -msseregparm but no SSE support.
9987         (ix86_function_sseregparm): Check for global sseregparm.
9988         * doc/invoke.texi: Document -msseregparm.
9990 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9992         * config.gcc (m32r-*-linux*): Use the default extra_parts.
9993         (m32rle-*-linux*): Ditto.
9995 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
9997         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9998         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9999         bytes.
10001 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10003         PR middle-end/22239
10004         PR target/20126
10005         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10006         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10008 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10010         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10011         (varmap): Heapify varmap.
10012         (constraints): Heapify constraints.
10013         (struct constraint_graph): Heapify succs and preds.
10014         (constraint_vec_find): Update for heapification.
10015         (constraint_set_union): Ditto.
10016         (insert_into_complex): Ditto.
10017         (constraint_edge_vec_find): Ditto.
10018         (erase_graph_self_edge): Ditto.
10019         (add_graph_edge): Ditto.
10020         (get_graph_weights): Ditto.
10021         (merge_graph_nodes): Ditto.
10022         (build_constraint_graph): Ditto.
10023         (topo_visit): Ditto.
10024         (solve_graph): Ditto.
10025         (create_variable_info_for): Ditto.
10026         (init_base_vars): Ditto.
10027         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10028         (condese_varmap_nodes): Free complex vector.
10029         (clear_edges_for_node): Clear succs and preds vector.
10031 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10033         * tree-ssa-structalias.c (update_alias_info): Change counting of
10034         references to not include vdefs.
10036 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10038         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10039         (up_insert): Ditto.
10041 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10043         * pa.c (pa_commutative_p): Make PLUS commutative when
10044         TARGET_NO_SPACE_REGS is true.
10046 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10048         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10049         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10050         * tree-dfa.c (dump_subvars_for): New.
10051         (debug_subvars_for): New.
10052         (dump_variable): Show subvariables if VAR has them.
10053         * tree-flow-inline.h (get_subvar_at): New.
10054         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10055         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10056         Update all users.
10057         (struct subvar): Change fields offset and size to unsigned
10058         HOST_WIDE_INT.
10059         (dump_subvars_for): Declare.
10060         (debug_subvars_for): Declare.
10061         (get_subvar_at): Declare.
10062         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10063         to unsigned HOST_WIDE_INT *.
10064         (overlap_subvar): Likewise.
10065         * tree-gimple.c (is_gimple_reg): Always return false for
10066         SFTs and memory tags.
10067         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10068         Update all callers.
10069         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10070         (compute_may_aliases): Call compute_points_to_sets.
10071         (collect_points_to_info_for): Remove.
10072         (compute_points_to_and_addr_escape): Remove.
10073         (delete_alias_info): Call delete_points_to_sets.
10074         (compute_flow_sensitive_aliasing): If the call to
10075         find_what_p_points_to returns false, call set_pt_anything.
10076         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10077         (set_pt_anything): Clear pi->pt_vars.
10078         (set_pt_malloc): Remove.
10079         (merge_pointed_to_info): Remove.
10080         (add_pointed_to_expr): Remove.
10081         (add_pointed_to_var): Remove.
10082         (collect_points_to_info_r): Remove.
10083         (is_escape_site): Make extern.
10084         (create_sft): New.
10085         (create_overlap_variables_for): Call it.
10086         * tree-ssa-copy.c (merge_alias_info): Never merge
10087         flow-sensitive alias information.
10088         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10089         offset and size to be unsigned HOST_WIDE_INT.
10090         (add_to_addressable_set): Rename from note_addressable.
10091         Set TREE_ADDRESSABLE as the variables are added to the set.
10092         Update all users.
10093         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10094         operands into VUSEs when adding V_MAY_DEFs for members in an
10095         alias set.
10096         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10097         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10098         (struct variable_info): Add bitfield is_heap_var.
10099         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10100         (new_var_info): Initialize is_heap_var.
10101         (get_constraint_for): Add HEAP variables to the symbol table.
10102         Mark them with is_heap_var.
10103         (update_alias_info): New.  Taken mostly from the old
10104         compute_points_to_and_addr_escape.
10105         (handle_ptr_arith): New.
10106         (find_func_aliases): Call update_alias_info.
10107         Call handle_ptr_info for tcc_binary expressions.
10108         Call mark_stmt_modified.
10109         (create_variable_info_for): If DECL has subvars, do not create
10110         variables for its subvars.  Always add all the fields.
10111         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10112         SFTs, then add all the SFTs of the structure.
10113         If VI->DECL is an aggregate with subvariables, add the SFT at
10114         VI->OFFSET.
10115         (find_what_p_points_to): If VI is an artificial variable,
10116         translate to bitfields in SSA_NAME_PTR_INFO.
10117         If the solution is empty, set pi->pt_vars to NULL
10118         (init_base_vars): Create ANYOFFSET.
10119         (compute_points_to_sets): Rename from create_alias_vars.
10120         Make extern.
10121         (pass_build_pta): Remove.
10122         (delete_points_to_sets): Rename from delete_alias_vars.
10123         (pass_del_pta): Remove.
10124         * tree-ssa-structalias.h (struct alias_info): Move from
10125         tree-ssa-alias.h.
10126         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10127         NUM_REFERENCES_SET): Likewise.
10128         (compute_points_to_sets, delete_points_to_sets): Declare.
10130 2005-07-09  Richard Henderson  <rth@redhat.com>
10132         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10133         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10134         alpha_split_lock_test_and_set_12): New functions.
10135         * config/alpha/alpha-protos.h: Update.
10136         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10137         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10138         * config/alpha/sync.md (I12MODE): New.
10139         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10140         (sync_<fetchop_name><I48MODE>): Likewise.
10141         (sync_nand<I48MODE>): Likewise.
10142         (sync_old_<fetchop_name><I48MODE>): Likewise.
10143         (sync_new_<fetchop_name><I48MODE>): Likewise.
10144         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10145         (sync_compare_and_swap<I48MODE>): Likewise.
10146         (sync_lock_test_and_set<I48MODE>): Likewise.
10147         (sync_compare_and_swap<I12MODE>): New.
10148         (sync_compare_and_swap<I12MODE>_1): New.
10149         (sync_lock_test_and_set<I12MODE>): New.
10150         (sync_lock_test_and_set<I12MODE>_1): New.
10152 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10154         PR 21356
10155         PR 22332
10156         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10158 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10160         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10161         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10163 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10165         PR target/21656
10166         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10168 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10170         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10171         memory_operand constraint.
10172         (store_conditional_<mode>): Same.
10173         (sync_compare_and_swap<mode>): Same.
10174         (sync_lock_test_and_set<mode>): Same.
10176 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10178         Rewrite PIC support to more closely model actual instructions.
10179         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10180         (cris_symbol): Remove prototypes for removed functions.
10181         (cris_pic_symbol_type_of, cris_valid_pic_const)
10182         (cris_expand_pic_call_address): Prototypes for new functions.
10183         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10184         variable.
10185         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10186         modifiers.
10187         <case ':'>: Add case for new punctuation character.
10188         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10189         emitting (extra) PIC modifier.
10190         <case UNSPEC>: Do not assert for PLT.
10191         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10192         (cris_expand_prologue, cris_expand_epilogue): Check
10193         for pic_offset_table_rtx usage instead of taking
10194         current_function_uses_pic_offset_table as the final word.
10195         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10196         Remove flag_pic difference.
10197         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10198         the moral equivalents of...
10199         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10200         functions.
10201         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10202         (cris_handle_option): Mark ARG as unused.
10203         (cris_expand_pic_call_address): New worker function for "call",
10204         "call_value".
10205         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10206         output PIC constructs here.
10207         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10208         as symbol-specific modifers, not whole or part of operands.
10209         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10210         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10211         constants and flag_pic.
10212         (CONSTANT_INDEX_P): Adjust for new functions.
10213         (enum cris_pic_symbol_type): New helper type.
10214         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10215         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10216         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10217         define_constants.
10218         ("movsi"): Emit actual instructions for GOT and relative access.
10219         ("*movsi_got_load"): New pattern to set up the register holding
10220         the GOT pointer.
10221         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10222         Adjust FIXME for 'S'.
10223         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10224         Use "movs" for -fpic cases.
10225         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10226         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10227         ("call", "call_value"): Just call cris_expand_pic_call_address for
10228         PIC addresses.
10229         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10230         Remove special pattern.
10231         ("*expanded_call_side", "*expanded_call_value_side"): New
10232         patterns.
10233         (gotplt-to-plt, gotplt-to-plt-side-call)
10234         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10235         peephole2:s.
10236         * config/cris/cris/predicates.md
10237         ("cris_general_operand_or_gotless_symbol"): Remove unused
10238         predicate.
10239         ("cris_general_operand_or_symbol"): Adjust for new functions.
10241 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10243         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10245 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10247         * Makefile.in (TREE_H): Add treestruct.def.
10248         (c-decl.o): Add pointer-set.h
10249         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10250         visibility on regular DECL's.
10251         (merge_decls): Fix the copying of decl nodes of various types for
10252         the new structures.  Don't update RTL, section name, weak status,
10253         etc, on DECL's without RTL.
10254         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10255         Don't check volatile on non-variable types.
10256         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10257         to check whether we have seen arguments.
10258         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10259         flag is checked before field (flag is common, field is not).
10260         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10261         TS_DECL_COMMON could have an origin.
10262         (add_location_or_const_value_attribute): Don't check section name
10263         on non-var/function decls.
10264         (dwarf2out_var_location): Reverse order of tests.
10265         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10266         with DECL_WRTL_CHECK.
10267         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10268         * fold-const.c (fold_binary): Don't check weakness on
10269         non-var/function decls.
10270         (tree_expr_nonzero_p): Ditto.
10271         (fold_checksum_tree): Use tree_decl_extra as sizeof
10272         buffer.
10273         * ggc-page.c (extra_order_size_table): Add sizes for
10274         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10275         tree_field_decl.
10276         * gimplify.c (gimplify_bind_expr): Only set
10277         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10278         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10279         without RTL.
10280         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10281         * langhooks.h (init_ts). New langhook.
10282         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10283         * print-tree.c (print_node): Update to only print fields that
10284         exist in the structures the passed decl has.
10285         * toplev.c (wrapup_global_declarations): Don't reset
10286         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10287         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10288         * tree-inline.c (remap_decl): Ditto.
10289         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10290         * tree-pretty-print.c (print_declaration): Don't print
10291         DECL_REGISTER on things that don't contain it.
10292         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10293         non-var/function decls.
10294         * tree.c (tree_contains_struct): New structure.
10295         (init_priority_for_decl): New hashtable.
10296         (tree_int_map): New structure.
10297         (tree_int_map_eq): New function.
10298         (tree_int_map_marked_p): Ditto.
10299         (tree_int_map_hash): Ditto.
10300         (tree_map): Move to tree.h.
10301         (tree_map_eq): Externalize.
10302         (tree_map_hash): Ditto.
10303         (tree_map_marked_p): Ditto.
10304         (init_ttree): Set up tree_contains_struct and call langhook.
10305         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10306         (tree_code_size): Update for new structures.
10307         (tree_node_structure): Update for new structures.
10308         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10309         without the field.
10310         (copy_node_stat):  Copy init priority.
10311         (build_decl_stat): Ditto for visibility.
10312         (ts_enum_names): New.
10313         (tree_contains_struct_check_failed): New function.
10314         (decl_init_priority_lookup): Ditto.
10315         (decl_init_priority_insert): Ditto.
10316         * treestruct.def: New file.
10317         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10318         (CONTAINS_STRUCT_CHECK): Ditto.
10319         (tree_contains_struct_check_failed): New prototype.
10320         (DECL_CHECK): Removed.
10321         (DECL_MINIMAL_CHECK): New.
10322         (DECL_COMMON_CHECK): Ditto.
10323         (DECL_WRTL_CHECK): Ditto.
10324         (DECL_NON_COMMON_CHECK): Ditto.
10325         (DECL_WITH_VIS_CHECK): Ditto.
10326         (VAR_OR_FUNCTION_DECL_P): Ditto
10327         (struct tree_decl_minimal): New structure.
10328         (struct tree_decl_common): Ditto.
10329         (struct tree_decl_with_rtl): Ditto.
10330         (struct tree_decl_with_vis): Ditto.
10331         (struct tree_decl_non_common): Ditto.
10332         (struct tree_field_decl): Ditto.
10333         (struct tree_parm_decl): Ditto.
10334         (struct tree_var_decl): Ditto.
10335         (struct tree_function_decl): Ditto.
10336         (struct tree_const_decl): Ditto.
10337         (struct tree_result_decl): Ditto.
10338         (union tree_node): Add new structures.
10339         * var-tracking.c (track_expr_p): Reverse order of tests.
10341         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10343 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10345         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10346         * system.h: Poison FINALIZE_PIC.
10347         * doc/tm.texi (FINALIZE_PIC): Remove.
10349 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10351         PR tree-opt/22329
10352         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10353         to the correct type if we have a MODIFY_EXPR.
10355 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10357         PR tree-optimization/22360
10358         * tree.c (upper_bound_in_type): Fix calculations for casting
10359         to a non-wider signed type and casting a signed value to a
10360         wider unsigned type.
10361         (lower_bound_in_type): Fix calculations for casting to a
10362         non-wider signed type.
10364         PR tree-optimization/20139
10365         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10366         release_defs.
10367         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10368         fold_cond_expr_cond.
10369         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10370         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10372 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10374         PR tree-opt/22356
10375         * tree-complex.c (expand_complex_libcall): Produce
10376         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10378 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10380         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10381         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10382         b" assert and inserted fastpath code for this case.
10383         (bitmap_ior): Removed "a != b" assert.
10385 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10387         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10388         (ENDFILE_SPEC): Likewise.
10389         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10391         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10392         a large stack frame at epilogue.
10394 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10396         * final.c: Include sdbout.h when required.
10398 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10400         * config.gcc (*-*-darwin*): Only one target-specific header file
10401         for generic darwin.
10402         (powerpc-*-darwin*): Add version-specific header files.
10403         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10404         * config.in: Regenerate.
10405         * configure: Regenerate.
10406         * gcc.c: Include xregex.h.
10407         (version_compare_spec_function): New.
10408         (spec_function): Add version-compare.
10409         (replace_outfile_spec_function): Reformat comment.
10410         (compare_version_strings): New.
10411         * config/darwin-c.c (version_as_macro): New.
10412         (builtin_define): New.
10413         (darwin_cpp_builtins): New.
10414         * config/darwin-protos.h (darwin_cpp_builtins): New.
10415         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10416         (LIB_SPEC): Make unconditional, update comment.
10417         (TARGET_C99_FUNCTIONS): Define.
10418         * config/darwin.opt: Sort.
10419         (mmacosx-version-min=): New.
10420         * config/darwin7.h: Delete.
10421         * config/darwin8.h: Delete.
10422         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10423         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10424         (TARGET_C99_FUNCTIONS): Define.
10425         * config/rs6000/darwin7.h: New.
10426         * config/rs6000/darwin8.h: New.
10427         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10428         (-mmacosx-version-min): Document.
10430 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10432         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10434 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10436         PR middle-end/22239
10437         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10439 2005-07-07  Khem Raj  <kraj@mvista.com>
10441         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10442         in bytes, not words.
10444 2005-07-07  Paul Brook  <paul@codesourcery.com>
10446         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10447         DEFAULT_FUNCTION_ARG_PADDING to upward.
10449 2005-07-07  Richard Henderson  <rth@redhat.com>
10451         * function.c (locate_and_pad_parm): Record parameter alignment in
10452         stack_alignment_needed.
10454 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10456         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10457         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10458         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10459         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10460         (define_attr "type"): Add isync, sync, load_l, store_c.
10461         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10462         Create scratch volatile MEM.
10463         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10464         sync.
10465         (load_locked_<mode>): New.
10466         (store_conditional_<mode>): New.
10467         (sync_compare_and_swap<mode>): Replace with splitter.
10468         (sync_lock_test_and_set<mode>): Replace with splitter.
10469         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10470         and UNSPECV_ISYNC.
10471         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10472         is ics.  Attribute isync.
10473         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10474         lwsync.
10475         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10476         and UNSPECV_SYNC_OP.
10477         (emit_unlikely_jump): New.
10478         (emit_load_locked): New.
10479         (emit_store_conditional): New.
10480         (rs6000_split_compare_and_swap): New.
10481         (rs6000_split_lock_test_and_set): New.
10482         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10483         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10484         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10485         rs6000_split_lock_test_and_set): Declare.
10486         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10487         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10488         store_c, isync, sync.
10490 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10492         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10493         filenames to gtyp-gen.h.
10494         (s-typ-gen): Use it in place of for loops.
10496 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10498         * hooks.c (hook_bool_rtx_int_false): New function.
10499         * hooks.h (hook_bool_rtx_int_false): Declare.
10500         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10501         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10502         * target.h (struct gcc_target): Add commutative_p member.
10503         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10504         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10505         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10506         (pa_commutative_p): New function.
10507         * jump.c (target.h): Include.
10508         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10509         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10511 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10513         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10514         (s390_expand_setmem): New.
10515         * config/s390/s390.c: Likewise.
10516         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10517         Adapt comments.
10518         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10519         general_operand.  Call new function "s390_expand_setmem".
10520         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10521         ("setmem_long", "*setmem_long"): ... this.
10523 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10525         * config/s390/s390.c: (optimization_options): Enable
10526         TARGET_MVCLE at -Os.
10527         * doc/invoke.texi: Document changes in default behaviour.
10528         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10530 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10532         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10533         defined by back-end.
10535 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10537         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10538         all sets in the pattern.
10539         * config/rs6000/rs6000.md (stack_protect_testsi,
10540         stack_protect_testdi): Likewise.
10542 2005-07-06  Jeff Law  <law@redhat.com>
10544         * tree-vrp.c (simplify_using_ranges): Kill.
10545         (vrp_finalize): Remove call to simplify_using_ranges.
10546         (simplify_stmt_using_ranges): New function extracted from
10547         simplify_using_ranges.
10548         (simplify_div_or_mod_using_ranges): Likewise.
10549         (simplify_abs_using_ranges): Likewise.
10550         (simplify_cond_using_ranges): New function.
10551         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10552         * tree-ssa-propagate.c (substitute_and_fold): Call
10553         simplify_stmt_using_ranges if we have range information.
10555 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10557         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10558         ia64_flag_schedule_isns2.
10560         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10561         reading/writing general registers.
10562         (ia64_function_arg): Revert 2005-06-18 change.
10564 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10566         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10567         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10569 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10571         * function.c (expand_function_end): Revert part of 2005-06-27
10572         patch.  Do sjlj_emit_function_exit_after after return_label.
10574 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10576         * doc/install.texi (--disable-libssp): New.
10578 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10580         * doc/invoke.texi: Update -fforce-mem documentation.
10581         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10582         code for -fforce-mem.
10583         * expmed.c: (store_bit_field,store_fixed_bit_field,
10584         extract_bit_field): Ditto.
10585         * expr.c: (convert_move): Ditto.
10586         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10587         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10588         emit_conditional_add,expand_float,expand_fix): Ditto.
10589         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10590         (common_handle_option): Issue warning when -fforce-mem specified.
10592 2005-07-06  Paul Brook  <paul@codesourcery.com>
10594         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10595         argument is empty.
10596         * configure: Regenerate.
10598 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10600         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10602 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10604         Fix PR tree-optimization/22319
10605         Fix PR tree-optimization/22140
10606         Fix PR tree-optimization/22310
10608         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10609         variable sized types.
10610         Use correct type for intermediate structure on *a = *b structure
10611         copies.
10613 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10615         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10616         Remove.
10617         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10618         (machine_function): Move typedef to...
10619         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10620         varargs_save_offset field.
10621         (rs6000_stack_t): Remove varargs_size field.
10622         (setup_incoming_varargs): Allocate varargs save area using
10623         assign_stack_local, try to make it as small as possible.
10624         Save offset from virtual_stack_vars_rtx to the save area
10625         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10626         instead of magic 8 when fp word byte size is used.
10627         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10628         instead of -RS6000_VARARGS_SIZE.
10629         (rs6000_stack_info, debug_stack_info,
10630         rs6000_initial_elimination_offset): Remove all traces of
10631         varargs_size.
10632         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10633         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10634         RS6000_VARARGS_AREA.
10636 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10638         PR tree-optimization/21963
10639         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10640         constant_multiple_of in the same way get_computation_cost_at does.
10642 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10644         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10645         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10646         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10647         and return its previous value.
10648         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10649         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10650         constants.
10651         (stack_protect_set, stack_protect_test): New expanders.
10652         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10653         stack_protect_testdi): New insns.
10654         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10655         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10657 2005-07-06  Jeff Law  <law@redhat.com>
10659         * tree-ssa-dce.c (cfg_altered): New global.
10660         (tree_dce_init): Initialize cfg_altered.
10661         (remove_dead_stmt): If we remove an edge in the CFG, then set
10662         CFG_ALTERED.
10663         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10664         the dominators.
10666 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10668         * Makefile.in (stamp-collect-ld): Use
10669         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10670         ./collect-ld if it already exists.
10671         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10672         Don't remove ./nm if it already exists.
10674 2005-07-05  Devang Patel  <dpatel@apple.com>
10676         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10677         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10678         * tree-vectorizer.c (vect_loop_location): New.
10679         (vect_print_dump_info): Use vect_loop_location.
10680         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10681         (vectorize_loops): Set vect_loop_location.
10682         * tree-vect-analyze.c (vect_analyze_offset_expr,
10683         vect_determin_vectorization_factor, vect_analyze_operations,
10684         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10685         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10686         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10687         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10688         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10689         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10690         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10691         vect_analyze_loop): Adjust vect_print_dump_info API.
10692         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10693         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10694         vect_finish_stmt_generation, vectorizable_assignment,
10695         vectorizable_operation, vectorizable_store, vectorizable_load,
10696         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10697         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10698         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10699         vect_transform_loop): Same.
10700         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10701         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10702         Same.
10704 2005-07-05  Randolph Chung  <tausq@debian.org>
10706         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10707         * configure: Regenerate.
10708         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10709         (pa_tls_referenced_p): Declare.
10710         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10711         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10712         (legitimize_tls_address): New.
10713         (hppa_legitimize_address): Handle TLS addresses.
10714         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10715         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10716         (emit_move_sequence): Handle TLS addresses.
10717         (pa_encode_section_info): Call default handler to handle common
10718         sections.
10719         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10720         (CONSTANT_ADDRESS_P): Reject TLS operands.
10721         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10722         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10723         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10724         (UNSPEC_TLSLE): Define new constants.
10725         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10726         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10727         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10728         (tie_symbolic_operand, tle_symbolic_operand): New
10730 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10732         * aclocal.m4: Update macros for autoconf 2.59 style.
10733         * configure.ac: Likewise.
10735 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10737         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10738         (function_arg): Pass small aggregates in general registers on 32-bit
10739         targets.
10740         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10742 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10744         * Makefile.in (final.o): Fix dependencies.
10746 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10748         PR c/22013
10749         PR c/22098
10750         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10751         * langhooks.c (lhd_expr_to_decl): New.
10752         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10753         New.
10754         (LANG_HOOKS_INITIALIZER): Update.
10755         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10756         expr_to_decl langhook.
10757         * c-tree.h (c_expr_to_decl): Declare.
10758         * c-typeck.c (c_expr_to_decl): New.
10759         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10760         specially.
10761         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10763 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10765         PR c/22308
10766         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10767         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10769 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10771         * Makefile.in: Adjust dependencies.
10772         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10773         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10774         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10775         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10776         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10777         rest_of_compilation.
10779         * bb-reorder.c (gate_duplicate_computed_gotos,
10780         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10781         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10782         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10783         pass_partition_blocks): New.
10784         * bt-load.c (gate_handle_branch_target_load_optimize,
10785         rest_of_handle_branch_target_load_optimize,
10786         pass_branch_target_load_optimize): New.
10787         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10788         pass_jump2): New.
10789         * cfglayout.c (pass_insn_locators_initialize): New.
10790         * cfgrtl.c (pass_free_cfg): New.
10791         * combine.c (gate_handle_combine, rest_of_handle_combine,
10792         pass_combine): New.
10793         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10794         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10795         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10796         * except.c (pass_set_nothrow_function_flags,
10797         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10798         pass_rtl_eh): New.
10799         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10800         rest_of_handle_shorten_branches, pass_shorten_branches,
10801         rest_of_clean_state, pass_clean_state): New.
10802         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10803         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10804         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10805         pass_flow2): New.
10806         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10807         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10808         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10809         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10810         pass_gcse): New.
10811         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10812         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10813         pass_rtl_ifcvt, gate_handle_if_after_combine,
10814         rest_of_handle_if_after_combine, pass_if_after_combine,
10815         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10816         pass_if_after_reload): New.
10817         * integrate.c (pass_initial_value_sets): New.
10818         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10819         pass_purge_lineno_notes): New.
10820         * mode-switching.c (rest_of_handle_mode_switching,
10821         pass_mode_switching): New.
10822         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10823         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10824         pass_loop2): New.
10825         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10826         pass_loop_optimize): New.
10827         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10828         pass_sms): New.
10829         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10830         pass_gcse2): New.
10831         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10832         pass_postreload_cse): New.
10833         * profile.c (gate_handle_profiling, pass_profiling,
10834         rest_of_handle_branch_prob, pass_branch_prob): New.
10835         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10836         pass_split_before_regstack, gate_handle_split_before_regstack,
10837         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10838         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10839         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10840         pass_stack_regs): New.
10841         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10842         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10843         pass_stack_adjustments): New.
10844         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10845         pass_regrename): New.
10846         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10847         pass_delay_slots, gate_handle_machine_reorg,
10848         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10849         * rtl.h (extern void purge_line_number_notes): New.
10850         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10851         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10852         pass_sched2): New.
10853         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10854         pass_tracer): New.
10855         * value-prof.c (gate_handle_value_profile_transformations,
10856         rest_of_handle_value_profile_transformations,
10857         pass_value_profile_transformations): New.
10858         * var-tracking.c (gate_handle_var_tracking,
10859         pass_variable_tracking): New.
10860         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10862         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10863         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10864         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10865         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10866         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10867         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10868         rest_of_handle_gcse2, rest_of_handle_regmove,
10869         rest_of_handle_tracer, rest_of_handle_if_conversion,
10870         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10871         rest_of_handle_web, rest_of_handle_branch_prob,
10872         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10873         rest_of_handle_jump_bypass, rest_of_handle_combine,
10874         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10875         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10876         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10877         rest_of_handle_mode_switching, rest_of_handle_jump,
10878         rest_of_handle_eh, rest_of_handle_stack_adjustments,
10879         rest_of_handle_flow2, rest_of_handle_jump2,
10880         rest_of_handle_peephole2, rest_of_handle_postreload,
10881         rest_of_handle_shorten_branches, rest_of_clean_state,
10882         rest_of_compilation): Remove.
10884         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10885         * passes.c (dump_flags, in_gimple_form, all_passes,
10886         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10887         register_dump_files, next_pass_1, last_verified, execute_todo,
10888         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10889         from tree-optimize.c.
10890         (init_optimization_passes): Moved from tree-optimize.c,
10891         adding the RTL optimizations.
10892         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10893         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10894         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10895         register_dump_files, next_pass_1, last_verified, execute_todo,
10896         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10897         init_tree_optimization_passes, ipa_passes): Delete.
10898         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10899         the RTL dumps.
10900         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10901         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10902         from tree.h.
10903         (ipa_passes): Remove.
10904         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10905         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10906         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10907         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10908         (dump_info_p, dump_flag): Moved to tree-dump.h.
10910         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10911         cgraph.c, opts.c.
10912         * passes.c (finish_optimization_passes): Use dump_begin
10913         and dump_end, TDI_end.
10914         (gate_rest_of_compilation): New.
10915         (pass_rest_of_compilation): Use it.
10916         (gate_postreload, pass_postreload): New.
10917         * toplev.c (general_init): Rename init_tree_optimization_passes.
10918         * toplev.h (init_tree_optimization_passes): Rename to
10919         init_optimizations_passes.
10920         * tree-dump.c (dump_flag): Make static.
10921         (dump_files): Remove RTL dumps.
10922         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10923         pass_cleanup_cfg, pass_free_cfg_annotations,
10924         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10925         pass_init_datastructures, pass_fixup_cfg): Make non-static.
10926         * tree-pretty-print.c: Include tree-pass.h.
10927         * cgraph.c: Include tree-dump.h.
10929 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10931         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10932         Only fall back to saying it points to readonly memory if
10933         we can't do better.
10935 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10937         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10938         * config/m32r/m32r.c (m32r_compute_frame_size,
10939         m32r_expand_prologue): Take current_function_profile into
10940         account whenever we reference
10941         current_function_uses_pic_offset_table.
10942         (m32r_finalize_pic): Remove.
10943         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10945 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
10947         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10948         instead of $<.  Don't remove ./as if it already exists.
10950 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10952         PR target/21723
10953         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10954         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10955         for complex modes when generating code for PA 1.0.
10956         (VALID_FP_MODE_P): New macro.
10957         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10958         sets for all general and floating point modes.  Align wide floating
10959         point modes to even register boundaries to comply with architectural
10960         requirements.
10961         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10962         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10963         (VALID_FP_MODE_P): New macro.
10964         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10965         sets for all general and floating point modes.  Align wide floating
10966         point modes to even register boundaries to comply with architectural
10967         requirements.
10969 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10971         * tree-dump.c (dump_files): Initialize dump number for .cgraph
10972         to 0.
10974 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10976         * tree-ssa-structalias.c: Don't include expr.h.
10978 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10980         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10981         comments.
10983 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10985         Fix PR tree-optimization/22279
10987         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10988         correct operator.
10990 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
10992         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10994 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10996         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10997         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10998         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10999         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11000         config/stormy16/stormy16.c, config/v850/v850.c,
11001         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11002         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11003         Avoid "." or "\n" at end of diagnostics and capital letters at
11004         start of diagnostics.
11005         * combine.c, cse.c: Don't translate dump file output.
11006         * toplev.c (print_version): Only translate output if going to
11007         stderr.
11009 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11011         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11012         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11013         typos.
11015 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11017         * pa.c (fix_range): Fix typo in comment.
11019 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11021         * tree-vrp.c (extract_range_from_assert): Replace
11022         fold (build (...)) with fold_build2.
11024 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11026         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11027         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11028         (format_types_orig, handle_format_attribute): Add support for
11029         format "gcc_gfc".
11031 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11033         * varasm.c (assemble_variable): Fix format specifier thinko.
11035 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11037         PR tree-optimization/22029 (and 22135)
11038         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11039         a phi node before calling dump_vops.
11041 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11043         * tree-dump.h (dump_string_field): Declare.
11044         * tree-dump.c: Use it instead of dump_string.
11045         (dump_string_field): Make non-static.
11047 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11049         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11050         up the minimal CFG stuff always when optimize > 0.  Call
11051         split_all_insns_noflow in PIC case if needed.
11053 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11054             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11056         PR c++/18279
11057         * c-decl.c (c_write_global_declarations): Dump contents of
11058         external scope to.
11059         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11060         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11061         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11062         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11063         is enabled.
11065 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11067         * c-common.h (GCC_DIAG_STYLE): Define.
11068         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11069         version for format checking to 4.1.
11070         * c-format.c: Include toplev.h after c-common.h.
11071         (enum format_type): Add gcc_tdiag_format_type.
11072         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11073         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11074         (format_types_orig): Add gcc_tdiag.
11075         (init_dynamic_diag_info): Support gcc_tdiag formats.
11076         (handle_format_attribute): Likewise.
11077         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11078         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11079         version for format checking to 4.1.
11080         (warning0, warning, error, pedwarn, sorry): Use
11081         ATTRIBUTE_GCC_DIAG.
11082         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11083         (finish_aliases_1): Do not use %qE.
11084         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11085         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11086         Correct format bugs.
11087         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11088         parameter to unsigned HOST_WIDE_INT.
11089         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11091 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11093         PR middle-end/21742
11094         * expr.c (write_complex_part): Use adjust_address for MEM.
11095         (read_complex_part): Same.
11097 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11099         Fix PR tree-optimization/22280
11101         * tree-sra.c (generate_element_init): Remove useless loop.
11103 2005-07-02  Richard Henderson  <rth@redhat.com>
11105         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11106         TLS_MODEL_NONE.
11107         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11109 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11111         PR middle-end/14490
11112         * fold-const.c (fold_binary): Handle the return value of
11113         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11114         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11116 2005-07-02  Jeff Law  <law@redhat.com>
11118         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11119         a eliminate type conversion which feeds an equality comparison
11120         if the original type or either operand in the comparison is a
11121         function pointer.
11123 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11125         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11126         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11127         texts.
11128         * config/avr/avr.c: Do not use '`' as left quote.
11129         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11130         Remove "." from end of diagnostics.  Make diagnostics start with
11131         lowercase letter.
11133 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11134             Joseph S. Myers  <joseph@codesourcery.com>
11136         * toplev.c (default_tree_printer): Handle setting location with
11137         '+' flag.
11138         * c-objc.common.c (c_tree_printer): Likewise.
11139         * c-format.c (gcc_diag_flag_specs): Add '+'.
11140         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11141         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11142         formats.
11143         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11144         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11145         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11146         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11147         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11148         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11149         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11150         format arguments where %J is used without %D.
11152 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11154         * gcc.c (LINK_SSP_SPEC): Define.
11155         (link_ssp_spec): New variable.
11156         (LINK_COMMAND_SPEC): Add %(link_ssp).
11157         (static_specs): Add link_ssp_spec.
11158         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11159         * configure: Rebuilt.
11160         * config.in: Rebuilt.
11162         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11163         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11164         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11165         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11166         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11167         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11168         -0x7008(2) instead of reading __stack_chk_guard variable.
11169         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11170         number.
11171         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11172         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11173         if TARGET_THREAD_SSP_OFFSET is defined.
11174         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11175         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11177         Revert:
11178         2005-06-27  Richard Henderson  <rth@redhat.com>
11179         * libgcc-std.ver (GCC_4.1.0): New.
11180         * libgcc.h (__stack_chk_guard): Declare.
11181         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11182         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11183         * mklibgcc.in (lib2funcs): Add them.
11185 2005-07-01  Richard Henderson  <rth@redhat.com>
11187         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11188         void * before struct sigcontext *.
11189         (x86_fallback_frame_state): Likewise.
11191 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11193         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11195 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11197         PR tree-opt/22269
11198         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11199         we check for SSA_NAME for.
11201 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11203         Fix PR tree-optimization/22071
11205         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11206         function.
11207         (get_constraint_for_component_ref): Use it.
11209 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11211         PR other/22264
11212         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11213         print out the last new line.
11215 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11217         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11218         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11219         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11220         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11221         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11222         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11223         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11224         (enum reg_class): New member CC0_REGS.
11225         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11226         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11227         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11228         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11229         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11230         Adjust for register now described.
11232 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11234         PR target/22262
11235         * config/i386/i386.md (stack_protect_test_si,
11236         stack_protect_test_di): Add earlyclobber for scratch 3.
11237         * config/rs6000/rs6000.md (stack_protect_testsi,
11238         stack_protect_testdi): Add earlyclobber for scratch 3,
11239         remove earlyclobber from scratch 4.
11241 Older entries for 2005 can be found in ChangeLog-2005.